WO2022194016A1

WO2022194016A1 - Fan, electric fan, oscillating mechanism of pedestal fan, and pedestal fan

Info

Publication number: WO2022194016A1
Application number: PCT/CN2022/080091
Authority: WO
Inventors: 葛伟
Original assignee: 追觅科技(上海)有限公司
Priority date: 2021-03-15
Filing date: 2022-03-10
Publication date: 2022-09-22

Abstract

A fan comprising: grilles; and a circular ring (2) provided between the grilles, the circular ring comprising an upper half ring (22) and a lower half ring (21) separated from the upper half ring (22), wherein the upper half ring (22) is provided on the grilles, and the lower half ring (21) is pivotally connected to the grilles, so that when the grilles rotate, the upper half ring (22) rotates relative to the lower half ring (21). Further comprised are an electric fan, an oscillating mechanism of a pedestal fan, and a pedestal fan. According to the fan, by means of the upper half ring and the lower half ring which can rotate relative to each other, a storage volume is reduced, the safety during a use process is improved, and the whole fan is more attractive.

Description

Shaking mechanism of a fan, electric fan, floor fan, floor fan

technical field

The embodiments of this specification relate to the technical field of household appliances, in particular to a fan, an electric fan, a shaking mechanism of a floor fan, and a floor fan.

Background technique

In the existing fan structure, the impeller is installed in the grille, and the motor is arranged outside the grille to form a protruding head, thereby increasing the thickness of the entire fan head, which is inconvenient for users to store.

In view of this, it is necessary to develop a fan to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the embodiments of this specification is to provide a fan, an electric fan, a swing mechanism for a floor fan, and a floor fan.

The purpose of the embodiment of this specification is to achieve through the following technical solutions:

In a first aspect, an embodiment of the present specification provides a fan, which includes a grille, a motor arranged in the grille, and a ring arranged outside the grille, the ring comprising an upper half ring and The lower semi-circle is arranged separately from the upper half-circle, wherein the upper half-circle is arranged on the grille, and the lower half-circle is pivotally arranged with the grille.

In one embodiment, the grille is provided with a pivot shaft, and the pivot shaft is installed on the lower half-circle, so that the grille and the upper half-circle are pivotally connected together with the upper half-circle. The shaft moves in a circumferential direction.

In one embodiment, the upper half ring includes an inner casing and an outer casing matched with the inner casing, and the inner casing is integrally formed on the grille.

In one embodiment, the lower half ring includes an inner ring portion and an outer ring portion matched with the inner ring portion, and the inner ring portion includes a shaft hole sleeved on the pivot shaft, so that the The grille rotates relative to the lower half ring.

In one embodiment, a limiting portion is provided on the pivot shaft, a limiting slot is defined on the limiting portion, and a protruding limiting block is provided on the shaft hole, and the limiting block is accommodated in the seat. in the limit slot.

In one embodiment, an impeller is further included, and the motor is accommodated in the impeller.

In one embodiment, the pivot shaft of the grille is provided with a through hole, the grille is provided with a wiring slot, and the power cord of the motor can pass through the through hole along the wiring slot.

In one embodiment, the grille includes a rear grille and a front grille, and the rear grille is snap-connected to the front grille.

In one embodiment, a clearance gap is provided between the lower half ring and the upper half ring.

In one embodiment, the fan further includes a support rod, and one end of the support rod is accommodated in the lower half ring.

In a second aspect, the embodiments of this specification provide an electric fan, including a support rod, one end of the support rod is provided with a plug, the plug is provided with a side wall, and the side wall is provided with a reinforcing rib.

In one embodiment, the plug is provided with a plug end, a root opposite to the plug end, and a plug root surface formed by protruding outward around the root, and the reinforcing rib is connected to the plug. The roots are connected.

In one embodiment, the connection between the reinforcing rib and the root surface of the plug has a chamfer.

In one embodiment, the reinforcing rib extends along the axial direction of the support rod.

In one embodiment, there are at least two reinforcing ribs, and they are straight-strip structures arranged parallel to each other.

In an embodiment, a reinforcing rib is further included between the reinforcing ribs, and two adjacent reinforcing ribs are connected by at least one reinforcing rib, and the reinforcing rib is perpendicular to the side wall of the plug.

In one embodiment, the reinforcing rib is located at the end of the reinforcing rib away from the root surface of the plug, and the reinforcing rib and the reinforcing rib form a U-shaped structure.

In an embodiment, it further includes a socket matched with the plug, and the socket is provided with a groove for holding the reinforcing rib.

In one embodiment, the socket includes a first annular wall and a second annular wall, and a plurality of reinforcing walls located between the first annular wall and the second annular wall.

In one embodiment, one end of the support rod is the plug, and the other end is the socket.

In a third aspect, the embodiments of this specification provide a shaking mechanism for a floor fan, which is characterized in that the shaking mechanism includes: a column, the upper end of the column can be fixedly connected with the grill assembly of the floor fan, and the lower end can be pivoted connected to the support rod of the floor fan, and the column is a hollow structure; a driving motor, which is installed in the column and is fixedly connected with the column; a rotating gear, the rotating gear is connected to the The drive shaft of the drive motor is fixedly connected; the fixed gear is engaged with the rotating gear, and the fixed gear is fixedly connected with the support rod of the floor fan.

In this solution, when the floor fan is in the swinging mode, the drive motor drives the rotating gear to rotate, the rotating gear meshes with the fixed gear, the fixed gear is fixedly connected to the support rod, the drive motor is fixedly connected to the column, and the lower end of the column is connected to the support rod. The pivot connection makes the column rotate relative to the support rod, and then drives the grille component of the floor fan to rotate relative to the support rod, so that the floor fan shakes its head and emits air. By adopting the above structure, the swing mechanism of the floor fan can be arranged in the column connected to the grille assembly, and the swing of the grille assembly can be realized, thereby reducing the volume of the fan head and reducing the overall size of the floor fan. volume.

In one embodiment, the fixed gear is provided with a limiting portion, the limiting portion protrudes upward from the top surface of the fixed gear, and the two ends of the limiting portion are respectively provided with a first limiting body and The second limiting body; a fixing plate is arranged in the column, the driving motor is fixedly arranged above the fixing plate, and the rotating gear and the fixing gear are arranged below the fixing plate; the fixing plate A limit block is provided on the lower surface of the plate, and the limit block rotates between the first limit body and the second limit body.

In this solution, a fixed plate is arranged in the column, and the fixed plate can not only be used to install the drive motor, so that the column can rotate with the drive motor; and the limit block on the lower surface of the column can cooperate with the limit part on the fixed gear , to avoid the shaking angle exceeding the range.

In one embodiment, the fixed gear is provided with a connecting part, and the connecting part is used for fixedly connecting with the support rod of the floor fan; the connecting part extends downward from the bottom surface of the fixed gear; The mechanism further includes a bearing, which is sleeved on the connecting portion and located in the upright column.

In this solution, the connecting part can not only be used to connect the fixed gear to the support rod, but also can be used to set the bearing. When the column drives the grille assembly to rotate relative to the support rod, the connecting part between the inner surface of the bearing and the fixed gear The outer surface of the bearing is in contact with the interior of the column, which can reduce the friction during the rotation of the column and improve the shaking effect.

In one embodiment, the rocking mechanism further includes a bearing bracket, which is fixedly connected to the upright column; a limit protrusion is surrounded on the outer peripheral surface of the connecting portion, and the bearing is arranged on the limit protrusion. between the bearing bracket and the bearing bracket, and the limiting protrusion abuts on the inner edge of the upper end surface of the bearing.

In this solution, the bearing bracket and the connecting portion can limit the movement of the bearing in the axial direction of the column, so that the bearing can reduce friction during the rotation of the column.

In one embodiment, an installation groove is provided in the column, the installation groove extends along the inner side wall of the column, and the bearing bracket is fixedly connected with the installation groove.

In this solution, the bearing bracket can be fixedly installed in the column through the installation groove.

In one embodiment, the notch of the installation groove is in contact with the outer peripheral surface of the bearing.

In one embodiment, an abutting portion is provided in the column, the abutting portion extends downward along the inner side wall of the column, and abuts with the outer edge of the upper end surface of the bearing.

In this aspect, by providing the contact portion in the column, the outer edge of the upper end surface of the bearing can be contacted, and the positioning effect of the bearing can be further improved.

In one embodiment, a reinforcing rib is further provided between the abutting portion and the inner side wall of the column.

In one embodiment, the rocking mechanism further includes a connecting piece, and the fixed gear is fixedly connected to the support rod through the connecting piece; the connecting piece includes a first end portion and a second end portion that are oppositely arranged; The first end portion is fixedly connected with the connecting portion through a fastener, and the second end portion is connected with the support member of the floor fan through threads.

In this solution, the fixed gear needs to mesh with the rotating gear in the horizontal direction, and the fixed gear located in the column can be fixedly connected with the support rod located under the column through the connecting piece. In addition, the second end of the connecting piece is detachably connected to the support rod, so that the space between the upright column and the support rod is convenient for disassembly and storage.

In one embodiment, the outer surface of the first end is provided with multiple rings of annular protrusions.

In this solution, the annular protrusion disposed on the first end can reduce the contact area between the upright column and the connecting piece, which facilitates the upright column to rotate relative to the support rod.

In one embodiment, the second end is provided with a DC female head and a fixing frame, the fixing frame is fixedly connected with the second end, and the DC female head is fixedly installed on the fixing frame; The end of the support rod of the floor fan is provided with a DC male head, and the DC female head and the DC male head are matched with each other.

In one embodiment, a DC female connector may also be arranged in the connector, and is matched with a DC male connector in the support rod, so that the fan can be powered inside the support rod.

In a fourth aspect, an embodiment of this specification provides a floor fan, where the floor fan includes the swing mechanism of the floor fan of the fourth aspect.

In a fifth aspect, the embodiments of this specification provide a floor fan, the floor fan includes a support part, the support part is formed by splicing a plurality of support parts in sequence, and two adjacent support parts are connected by a plug-in structure, the The plug-in structure includes: a threaded connection part, the threaded connection part includes an inner thread and an outer thread, the inner thread and the outer thread are respectively arranged at the connection ends of the two adjacent supporting parts; and a DC plug, The DC plug is arranged inside the support member, the DC plug includes a DC male head and a DC female head, and the DC male head and the DC female head are respectively arranged at the connection of two adjacent support members when the inner thread and the outer thread are matched with each other, the DC male head is located in the DC female head and forms an electrical connection.

In this solution, the supporting parts of the floor fan are formed by splicing several supporting parts in sequence, and the supporting parts are connected by a plug-in structure; DC plug for electrical connection between supports. When the user needs to store the floor fan, each support member of the floor fan can be disassembled to reduce the space required for storage; when the floor fan is assembled, the supports can be connected to each other to provide support, and can also be electrically connected to supply power.

In one embodiment, the plug-in structure further includes a limiting step, and the limiting step extends inwardly from the end of the external thread along the axial direction of the support member.

In this solution, the limiting step can prevent the two supports from being screwed in place or over-tightened in the axial direction.

In one embodiment, the DC male header includes a pin, and the DC female header includes a socket, and the pin is accommodated in the socket and is rotatable in the socket.

In this solution, during the process of connecting the two supports by screws, relative rotation will occur between the supports, and the pins and sockets can be rotated correspondingly to form an electrical connection between the supports.

In one embodiment, the support member includes a rocking column, a detachable column and a base assembly, and the rocking column, the detachable column and the base assembly are connected in sequence.

In one embodiment, both the rocking upright column and the detachable upright column include a first connection end and a second connection end arranged oppositely; the first connection end is provided with the inner thread and the DC male head, The second connection end is provided with the external thread and the DC female head.

In this solution, both ends of the rocking column and the detachable column have internal threads and external threads respectively, so that the rocking column and the detachable column can be connected by threads, and after the connection is in place, the rocking column and the detachable column correspond to each other. The DC male and DC female headers can also be connected to each other.

In one embodiment, the first connecting end is provided with a mounting seat, and the DC male head is fixedly mounted on the mounting seat; the second connecting end is provided with a fixing frame, and the fixing frame is connected to the The second connection end is fixedly connected, and the DC female head is fixedly installed on the fixing frame.

In one embodiment, the DC male head is installed in the shaking head column or the detachable column through the mounting seat in the first connecting end; the DC female head is installed in the second connecting end of the shaking head column or the first detachable column through the fixing frame. Two connection ends, so as to protect the DC male and DC female, and it is also convenient to connect wires between the DC male and DC female in the swinging column or the detachable column. In addition, in the specific implementation, the DC female head may also be disposed in the first connection end, and the DC male head may also be disposed in the second connection end.

In one embodiment, the fixing frame is provided with a first threaded hole and a second threaded hole, the first threaded hole is used for fixed connection with the DC female head; the second threaded hole is along the fixing frame The circumferential distribution is used to connect with the pipe wall at the second connection end of the swing column or the pipe wall at the second connection end of the detachable column.

In this solution, the fixing frame can be fixed in the shaking head column or the detachable column through the second threaded hole, and the DC female head can be installed through the first threaded hole, so that the DC female head can be installed inside the shaking head column or the detachable column. .

In one embodiment, in the rocking column or the detachable column, a side of the DC male head facing the DC female head is provided with a male terminal, and the DC female head is facing the DC male head A female terminal is provided on one side of the head, and the male terminal and the female terminal are connected by wires.

In one embodiment, the base assembly includes a bottom cover, a first DC socket and a second DC socket, the first DC socket is provided in the center of the bottom cover, and the second DC socket is provided on the The edge of the bottom cover, the first DC socket and the second DC socket are connected by wires.

In this solution, the detachable column is connected to the base through the first DC socket in the center; the wires can be led to the edge of the base assembly through the second DC socket, so that after the wires of the fan are drawn out from the fan head, they are connected in sequence. After each support piece is finally drawn out from the base assembly, the overall structure of the fan is simple.

In one embodiment, the base assembly further includes a counterweight block and a base body, the base body is fixedly connected above the bottom cover, and the counterweight block is arranged on the base body and the bottom cover between.

In this solution, the stability of the base assembly can be improved by the counterweight.

In one embodiment, the base assembly further includes a DC fixing cover, the DC fixing cover is fixedly connected to the center of the base, the first DC socket is fixedly connected to the DC fixing cover, and The top surface of the DC fixing cover is not higher than the lower end of the inner thread of the base body.

In this solution, the first DC socket can be installed through the DC fixing cover, and the first DC socket is lower than the inner thread of the base body, so as to facilitate the connection between the detachable column and the base.

In a sixth aspect, the embodiments of this specification provide a floor fan, the floor fan includes a grill assembly, a support rod and a base, one end of the support rod is connected to the grill assembly, and the other end is connected to the base, Wherein, the base includes: a casing; a rotating member, which is rotatably disposed in the casing and drives the support rod to rotate to drive the grill assembly to swing; a sensing member, the sensing member a first sensor and a second sensor, both of which are fixedly arranged in the casing; wherein, when the rotating member When rotated to a first angle, the sensing member is positioned opposite to the first sensor and triggers the first sensor, and when the rotating member is rotated to a second angle, the sensing member and the second sensor are positioned Opposite and trigger the second sensor.

In this solution, the rotating member is placed in the chassis to cooperate with the induction member to drive the grill assembly to shake its head, reducing the volume of the fan head and the support rod, making the body thinner for easy storage or use in different scenarios. The grille assembly is directly connected to the support rod so that the whole structure does not protrude and is convenient for storage.

When the rotating member rotates in the housing, the support rod can rotate along with the rotating member, so that the grill assembly also rotates accordingly, so that the grill assembly can supply air in different directions. A sensing member is arranged on the rotating member. During the rotation of the rotating member, when the sensing member triggers the first sensor, the rotating member changes the rotation direction so that the sensing member moves towards the direction of the second sensor. When the sensing member triggers the second sensor, The rotating member changes the direction of rotation again, so that the sensing member moves toward the direction of the first sensor. In this way, the grid assembly is reciprocated between the first angle and the second angle by using the cooperation of the first and second sensors and the sensing member. Therefore, the floor fan can swing to supply air within a certain angle range.

In one embodiment, the base further includes a mounting seat connected to the housing, the mounting seat has an accommodating hole, and the rotating member is rotatably disposed in the accommodating hole.

In this solution, the mounting seat plays a positioning role for the rotating member, the rotating member can be conveniently arranged in the housing through the mounting seat, the rotating member is accommodated in the accommodating hole, and the mounting seat can play a certain role of protection and isolation for the rotating member , to prevent the rotating parts from winding and colliding with the electric control circuit or other parts during rotation, and ensuring the operation reliability of the floor fan.

In one embodiment, the mounting seat further defines two mounting holes, both of which are located radially outside the accommodating holes, and the first sensor and the second sensor are respectively disposed on the two mounting holes. each of the mounting holes.

In this solution, with the aid of the mounting holes, the first sensor and the second sensor are arranged radially outside the rotating member, so that the distance between the two sensors is relatively large to avoid mutual interference between the sensors and affect the operation. Correspondingly, the sensing member can It is arranged at a position radially outward of the rotating member, so that the sensing member is relatively close to the sensor. In some other implementations, the first sensor and the second sensor can also be arranged on one side of the axial direction of the rotating member. In this case, the mounting hole can be arranged on the mounting seat at a different position from the accommodating hole. side, or set the mounting holes at the bottom of the accommodating holes.

In one embodiment, the opening of the mounting hole and the opening of the accommodating hole face different sides of the mounting seat.

In this solution, the two sensors (the first sensor and the second sensor) and the rotating part are installed on the mounting seat from different sides, so as to prevent mutual interference or interference during installation, which is conducive to quick installation, and the sensor and the rotating part are installed by the mounting seat. Spaced apart, when the rotating part rotates, it will not hit or even damage the sensor.

In one embodiment, the peripheral side of the mounting seat is provided with a communication hole that communicates with the mounting hole.

In this solution, the control lines of the first and second sensors can be drawn out from the side communication holes to prevent the lines from being entangled or worn out with the rotating parts.

In one embodiment, the first sensor and the second sensor are both located on the radially outer side of the rotating member, and the sensing member is located on a radial edge portion of the rotating member.

In this solution, this arrangement makes the distance between the first sensor and the second sensor relatively far, and will not interfere with each other, which affects the stability and reliability of the rotation control.

In one embodiment, the angle difference between the first angle and the second angle is 90°˜240°.

In this solution, this angle range can meet the swing air supply requirements of most scenarios. Moreover, if the angle difference is too large or too small, the first sensor and the second sensor are located relatively close together, interference is likely to occur, and the sensor cannot be installed.

In one embodiment, the rotating member has an annular reinforcing rib and a radial reinforcing rib, a plurality of the radial reinforcing ribs are arranged at intervals and extend outward from the annular reinforcing rib, and the sensing member is arranged on the diameter. into the space between the ribs.

In this solution, the rotating member is reinforced by the annular reinforcing rib and the radial reinforcing rib. At the same time, the sensing member is installed in the gap between the reinforcing ribs to make full use of the space, so that the internal structure of the base is relatively compact, which is conducive to the miniaturization of the base. , easy to store the floor fan.

In one embodiment, both the first sensor and the second sensor are Hall sensors, and the sensing element is a magnetic element.

In this solution, the Hall sensor is reliable in operation, low in cost, and small in size, so it can be easily accommodated in the base.

In one embodiment, a limit bearing is provided on both axial sides of the rotating member, and the two axial sides of the rotating member are respectively connected to the housing through the limit bearing.

In this solution, a bearing is arranged between the rotating member and the housing to ensure smooth rotation of the rotating member. At the same time, the two bearings can limit the rotating parts to prevent the rotating parts from loosening and deflecting due to external loads acting on the support rod or grille assembly, thereby improving the running stability of the floor fan.

In a seventh aspect, the embodiments of this specification provide a fan, the fan includes a fan surface and a support rod connected to the fan surface, and is characterized in that the support rod includes a connecting piece and a body portion integrally formed with the connecting piece ; The connecting piece is matched with a part of the circumferential surface of the sector, and is fixedly connected with the sector.

In this solution, the connecting piece on the support rod matches the circumferential surface of the fan surface, and the support rod and the fan surface are fixedly connected through the connecting piece, so that the connection area between the support rod and the fan surface can be increased, and the support rod and the fan surface can be improved. The stability and reliability of the connection prevents the fan from shaking during operation.

In one embodiment, the connecting piece includes a first connecting body and a second connecting body, one of the first connecting body and the second connecting body is provided with a first wiring groove, and the first wiring groove It extends from the end of one end of the first connecting body or the end of one end of the second connecting body into the body portion.

In this solution, the connecting piece is provided with a first wiring groove, through which the wires in the fan can be introduced into the body part to form a power supply circuit to supply power to the motor in the fan; and the wires of the fan can be routed. It can also be arranged inside the fan, making the overall structure simple.

In one embodiment, the fan surface includes a grille component and a neck component, two ends of the neck component are respectively connected with the grille component, and are arranged on the lower half of the grille component; the The connecting piece is fixedly connected with the neck assembly.

In this solution, the connecting piece is fixedly connected with the neck assembly, so that the neck assembly is fixedly connected with the support rod, and the stability of the connection is improved.

In one embodiment, the neck assembly includes a neck upper cover, two ends of the neck upper cover are pivotally connected to the grill assembly respectively, and the connecting piece abuts against the neck upper cover the lower surface.

In this solution, both ends of the neck upper cover are pivotally connected to the grill assembly, respectively, and the grill assembly can rotate relative to the neck assembly, thereby adjusting the pitch angle of the grill assembly.

In one embodiment, the fan is provided with a motor accommodated in the grill assembly and a second wiring groove disposed on the grill assembly.

In one embodiment, a through hole is formed at the connection between the neck upper cover and the grill assembly, and the power cable of the motor can pass through the through hole along the second wire routing slot, and pass through the through hole. The first wiring groove enters the body portion.

In this solution, the power cord of the motor enters the body through the second wiring slot and the first wiring slot, so that the wiring of the fan can be arranged inside the fan, avoiding the exposure of the power cord and reducing the wear of the power cord.

In one embodiment, the fan is provided with a fixing component fixedly connected with the neck upper cover, and the fixing component includes a clamping part and/or a locking part;

The clipping piece comprises a clipping slot arranged on the edge of the connecting piece and a clipping button arranged on the lower surface of the upper cover of the neck, and the clipping clip and the clipping slot cooperate with each other;

The locking piece is connected with the neck upper cover through the connecting piece.

In this solution, the connecting piece can be fixed to the neck upper cover through a clip and/or a locking piece, thereby enhancing the stability and reliability of the connection.

In one embodiment, the locking member passes through the middle portion of the connecting piece, and the locking grooves are disposed at both ends of the connecting piece in the length direction.

In this solution, the above structure is adopted. On the connecting piece with a certain length, the middle is fixedly connected by a locking member, and the two sides are clamped by the card slot, so that the connecting piece can be connected with the neck upper cover everywhere, and the overall connection is improved. reliability and stability.

In an embodiment, the neck assembly further includes a lower neck cover, the lower neck cover passing through the body portion and being snapped with the upper neck cover.

In this solution, by arranging a lower neck cover, components such as connecting sheets and power cords can be wrapped in it, so as to prevent the components from being exposed, and also improve the overall aesthetics of the fan.

In one embodiment, the fan further includes a rotating assembly disposed in the body portion.

Compared with the prior art, the embodiments of this specification have the following beneficial effects:

The fan provided in the first aspect, through the relatively rotatable upper half ring and the lower half ring, reduces the volume during storage, improves the safety during use, and at the same time makes the overall fan more beautiful.

In the electric fan provided in the second aspect, the side wall of the plug of the support rod of the electric fan is provided with reinforcing ribs, which increases the strength of the main force at the root of the plug, so that the structural strength of the plug is greatly improved; The contact area between the plug and the socket matched with the plug is enlarged, making the connection structure more stable and less prone to shaking.

In the shaking mechanism of the floor fan provided by the third aspect, when the floor fan is in the shaking mode, the driving motor drives the rotating gear to rotate, the rotating gear meshes with the fixed gear, the fixed gear is fixedly connected with the support rod, the driving motor is fixedly connected with the column, and The lower end of the upright column is pivotally connected with the support rod, so that the upright column rotates relative to the support rod, thereby driving the grill assembly of the floor fan to rotate relative to the support rod, so that the floor fan shakes its head and blows out the air. Therefore, the swing mechanism of the floor fan can be arranged in the column connected to the grill assembly, and the swing of the grill assembly can be realized, which is beneficial to reduce the volume of the fan head and the overall volume of the floor fan.

In the floor fan provided in the fourth aspect, by adopting the shaking mechanism of the floor fan provided in the fourth aspect, the shaking mechanism of the floor fan can be arranged in the column connected with the grill assembly, and the shaking of the grill assembly can be realized to discharge air, Therefore, it is beneficial to reduce the volume of the fan head, thereby reducing the overall volume of the floor fan.

In the floor fan provided by the fifth aspect, the supporting part of the floor fan is formed by splicing several supporting parts in sequence, and the supporting parts are connected by a plug-in structure; The DC plug that makes the electrical connection between the two supports. When the user needs to store the floor fan, each support member of the floor fan can be disassembled to reduce the space required for storage; when the floor fan is assembled, the supports can be connected to each other to provide support, and can also be electrically connected to supply power.

The floor fan provided in the sixth aspect utilizes the cooperation of the first and second sensors and the sensing element to make the grille assembly reciprocate between the first angle and the second angle, so the floor fan can be driven by the base at a certain time. Swing air supply within the angle range. In addition, the sensor occupies a small space, which will not increase the volume of the base, which is conducive to the storage of the floor fan.

In the fan provided in the seventh aspect, the connecting piece on the support rod matches the circumferential surface of the fan surface, and the support rod and the fan surface are fixedly connected through the connecting piece, so that the connection area between the support rod and the fan surface can be increased, and the support rod can be raised. The stability and reliability of the connection with the fan surface prevents the fan from shaking during operation.

Description of drawings

The accompanying drawings described herein are used to provide further understanding of the embodiments of the present specification, and constitute a part of the embodiments of the present specification. Improper limitation of the embodiment. In the attached image:

FIG. 1 is a schematic three-dimensional structure diagram of a fan according to an embodiment of the present specification;

FIG. 2 is a partial three-dimensional structural schematic diagram of a fan according to an embodiment of the present specification;

Fig. 3 is the partial enlarged schematic diagram of Fig. 2;

4 is an exploded schematic diagram of a part of the structure of the fan according to the embodiment of the specification;

5 is a schematic three-dimensional structure diagram of a grille and an upper half ring according to an embodiment of the present specification;

Fig. 6 is the partial enlarged schematic diagram of Fig. 5;

Fig. 7 is the exploded schematic diagram of the lower half ring and the support rod of the embodiment of this specification;

FIG. 8 is a schematic three-dimensional structure diagram of a front grill according to an embodiment of the present specification;

Fig. 9 is the partial enlarged schematic diagram of Fig. 8;

10 is a schematic three-dimensional structure diagram of a rear grille according to an embodiment of the present specification;

Fig. 11 is a partial enlarged schematic view of Fig. 10;

FIG. 12 is a schematic three-dimensional structural diagram of a driving part according to an embodiment of the present specification;

13 is a schematic three-dimensional structural diagram of the fan in the initial position according to the embodiment of the present specification;

Fig. 14 is a partial enlarged schematic view of Fig. 13;

15 is a schematic three-dimensional structural diagram of the fan after rotation according to the embodiment of the present specification;

Fig. 16 is a partial enlarged schematic view of Fig. 15;

FIG. 17 is a schematic perspective view of the electric fan according to the embodiment of the present specification in one embodiment;

Fig. 18 is a perspective view of another angle of Fig. 17;

Figure 19 is a partial perspective exploded schematic view of Figure 17;

Fig. 20 is a partial perspective exploded schematic view of another angle of Fig. 19;

Figure 21 is a partial exploded schematic view of the dashed box portion C in Figure 20;

Figure 22 is a partial enlarged view of the circled portion A in Figure 19;

Figure 23 is a partial enlarged view of the circled portion B in Figure 20;

Figure 24 is a perspective view of the plug in Figure 21;

Figure 25 is a partially exploded perspective view of the base of Figure 19 in one embodiment;

Figure 26 is a top view of the lower cover;

Fig. 27 is a partial enlarged view of the circled portion D in Fig. 26;

Figure 28 is a partial perspective exploded view of the lower cover;

FIG. 29 is a schematic three-dimensional structure diagram of a fan provided by an embodiment of this specification;

30 is a schematic cross-sectional view of a shaking mechanism provided by an embodiment of the present specification;

31 is a schematic three-dimensional structure diagram of the shaking mechanism provided by the embodiment of the present specification, wherein the upright column is hidden;

32 is a schematic three-dimensional structure diagram of the shaking mechanism provided by the embodiment of the present specification, wherein the upright column and the connecting piece are hidden;

33 is a schematic cross-sectional view of a column provided by the embodiment of this specification;

34 is a schematic three-dimensional structure diagram of a fixed gear provided by an embodiment of this specification;

FIG. 35 is a schematic three-dimensional structure diagram of a connector provided by an embodiment of this specification;

36 is a schematic three-dimensional structure diagram of a floor fan provided by the embodiment of this specification;

Figure 37 is a schematic three-dimensional structure diagram of a floor fan provided by the embodiment of the present specification, wherein the rocking column and the detachable column are seen through;

Figure 38 is a perspective exploded view of the shaking head column provided by the embodiment of the present specification, wherein the DC male head, DC female head, fixing frame and wires in the shaking head column are decomposed;

39 is a schematic structural diagram of the first connection end of the rocking column provided by the embodiment of this specification;

40 is a schematic structural diagram of the DC female connector provided in the embodiment of the present specification when it is connected to the fixing frame;

FIG. 41 is a schematic three-dimensional structure diagram of the base assembly provided by the embodiment of this specification;

42 is a schematic three-dimensional structure diagram of the base assembly provided by the embodiment of this specification, wherein the base body is hidden;

43 is a schematic three-dimensional structure diagram of the floor fan provided by the embodiment of this specification;

44 is a schematic diagram of the internal structure of the base of the floor fan provided by the embodiment of this specification;

Figure 45 is an enlarged schematic view of Figure 44 at A;

46 is a schematic diagram of the internal structure of the base of the floor fan provided by the embodiment of the present specification from another perspective;

47 is a schematic structural diagram of a mounting seat of a floor fan provided by an embodiment of this specification;

48 is a partial cross-sectional schematic diagram of a floor fan provided by an embodiment of the present specification;

Figure 49 is an enlarged schematic view of Figure 48 at B;

FIG. 50 is an exploded schematic diagram of the floor fan provided by the embodiment of this specification;

51 is an exploded schematic view of the base of the floor fan provided by the embodiment of this specification;

FIG. 52 is a schematic three-dimensional structure diagram of a fan provided by an embodiment of the present specification;

Fig. 53 is the three-dimensional structure schematic diagram when a kind of sector provided by the embodiment of this specification is connected with the support rod, wherein the rear grille is hidden;

Figure 54 is a perspective exploded schematic diagram of a fan surface and a support rod provided by the embodiment of this specification;

Fig. 55 is a perspective exploded schematic view of a fan surface and a support rod provided by an embodiment of the present specification, wherein the rear grille and the lower neck cover are hidden;

56 is a perspective exploded schematic diagram of the fan and the support rod from another perspective provided by the embodiment of this specification, wherein the rear grille and the lower neck cover are hidden;

Figure 57 is a schematic three-dimensional structure diagram of a support rod provided by the embodiment of this specification;

58 is a schematic three-dimensional structural diagram of the support rod provided by the embodiment of the present specification from another perspective;

FIG. 59 is a schematic three-dimensional structural diagram of a fan provided by an embodiment of the present specification, wherein a pitch angle is formed between the grille component and the neck component.

Detailed ways

The exemplary embodiments of the embodiments of the present specification will be described in detail below with reference to the accompanying drawings. If several specific embodiments exist, the features of these embodiments may be combined with each other without conflict. When the description refers to the drawings, the same numbers in different drawings refer to the same or similar elements unless otherwise indicated. The contents described in the following exemplary embodiments do not represent all implementations consistent with the embodiments of the present specification; on the contrary, they are only the same as those described in the claims of the embodiments of the present specification and consistent with the embodiments of the present specification. Examples of devices, products, and/or methods consistent with some aspects.

The terms used in the embodiments of the present specification are only for the purpose of describing specific implementations, and are not intended to limit the protection scope of the embodiments of the present specification. As used in the specification and claims of this specification, the singular forms "a," "the," or "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise.

It should be understood that words such as "first", "second" and similar words used in the description and claims of the embodiments of the present specification do not indicate any order, quantity or importance, but are only used to distinguish features name. Likewise, "a" or "an" and the like do not denote a quantitative limitation, but rather denote the presence of at least one. Unless otherwise specified, words like "front", "rear", "upper", "lower" and the like appearing in the embodiments of the present specification are only for convenience of description, and are not limited to a specific position or a spatial orientation. "includes" or "comprising" and the like are open-ended expressions, meaning that elements appearing before "including" or "including" encompass elements appearing after "including" or "including" and their equivalents, This does not exclude that elements appearing before "comprising" or "comprising" can also include other elements. If "several" appears in the embodiments of this specification, its meaning refers to two or more.

Example 1

As shown in FIGS. 1-16 , the embodiment of this specification relates to a fan, including a grille, an impeller 41 arranged in the grille, a motor 421 accommodated in the impeller 41 , and a fan located outside the grille. Ring 2.

The above arrangement makes full use of the internal space of the grille, reduces the thickness of the fan head, thus reduces the volume of the entire fan, and is convenient for users to store. Preferably, the motor 421 is an external rotor DC motor, which is easy to be accommodated inside the impeller due to its small volume.

Preferably, the ring 2 is flush or nearly flush with both sides of the grille, so that the fan head does not protrude outwards, which further reduces the thickness of the fan head and is convenient for users to store.

In a preferred embodiment, the rings 2 are arranged at intervals on the outside of the grille, and the grille is pivotally connected to the ring 2, so that the grille can rotate relative to the ring 2, Thereby adjusting the air outlet direction of the fan.

Further, the ring 2 includes an upper half ring 22 and a lower half ring 21 separated from the upper half ring 22. At the same time, the upper half ring 22 and the lower half ring 21 A clearance gap 23 is provided between, so that the relative position change of the upper half ring 22 and the lower half ring 21 can be generated.

Specifically, the upper half ring 22 is disposed on the grille, and the grille is pivotally connected to the lower half ring 21, so that the upper half ring 22 can follow the grille turn.

As shown in FIG. 7 , the lower half ring 21 includes an inner ring portion 211 and an outer ring portion 212 .

At the same time, the fan also includes a support rod 6 , the ring 2 is disposed at one end of the support rod 6 , wherein the support rod 6 is detachably divided into at least two sections. The outer ring portion 212 is connected to the inner ring portion 211 through the fixing portion 61;

The inner ring portion 211 is provided with a shaft hole 2112 for sleeved with the pivot shaft 114, and the pivot shaft 114 is sleeved on the shaft hole 2112, so that the grille is opposite to the lower semicircle Ring 21 rotates.

Specifically, a section of the support rod 6 near the ring 2 includes a connecting piece 62 disposed in the lower half-circle 21 and a fixing portion integrally formed with the connecting piece 62 61. The connecting piece 62 is arranged between the inner ring portion 211 and the outer ring portion 212, so that the connecting piece 62 is clamped by the inner ring portion 211 and the outer ring portion 212, and further The support rod 6 and the lower half ring 21 are fixedly arranged.

Further, a rotating component is provided in the fixed part 61 to realize the circumferential movement of the fan, and the rotating component in the fixed part 61 drives the fan to rotate, so as to realize the swing of the fan in the horizontal direction. The volume of the entire fan is reduced by accommodating the rotating assembly in the fixing portion 61 .

A base 5 is installed on the other end of the support rod 6; the base 5 and the support rod 6 are connected by threads to realize the fixed setting of the base 5 and the support rod 6, and the base 5 and the support rod 6 and the fan head structure are connected to form a vertical fan structure.

Further, as shown in FIGS. 5 and 6 , a limiting portion is provided on the pivot shaft 114 , and the rotation angle of the fan is limited by the limiting portion; specifically, the limiting portion is a limiting pad. The sheet 15 is provided with a limiting groove 151 thereon. The shaft hole 2112 is provided with a protruding limit block 2111 , and the limit washer 15 is located in the shaft hole 2112 , so that the limit block 2111 is accommodated in the limit groove 151 . 13-16, the position of the limiting groove 151 changes when the fan is raised. When the grille rotates, the limiting slot 151 slides relative to the limiting block 2111 . When the inner wall of the limiting slot 151 abuts one end of the limiting block 2111 , the pivot shaft 114 cannot continue to operate. rotation, thereby limiting the upward rotation angle of the fan. Likewise, when the fan is tilted downward, when the inner wall of the limiting slot 151 abuts the other end of the limiting block 2111 , the pivot shaft 114 cannot continue to rotate, thereby limiting the rotation angle of the fan tilting downward.

Corresponding to the lower half ring 21 , the upper half ring 22 includes an inner casing 115 and an outer casing matched with the inner casing 115 , and the inner casing 115 is disposed on the grille , . Specifically, the inner casing 115 is provided with a buckle structure, through the buckle structure, the outer casing and the inner casing 115 are clamped and arranged to fix the upper half ring 22 on the inner casing 115 . on the grill. It should be noted that, in this embodiment, the inner casing 115 is integrally formed on the grille. Of course, the inner casing 115 can also be installed on the grille by other common fixed connection methods.

The grille includes a front grille 3 and a rear grille 1 clipped to the front grille 3; with reference to FIGS. 8-11 , the front grille 3 includes a first casing 31, and the rear grille The grille 1 includes a second housing 11 in which the motor 421 is fixedly mounted on the rear grille 1 .

The first casing 31 is snapped on the inner wall of the second casing 11 , and the ring 2 is wrapped on the outer wall of the second casing 11 .

The first casing 31 and the second casing 11 are connected by a buckle portion, and the buckle portion includes a first connection portion 312 and a second connection portion 113 ;

The first connecting portion 312 and the second connecting portion 113 are respectively disposed on the first casing 31 and the second casing 11 , and at the same time, the second connecting portion 113 and the first connecting portion 312 connected to realize the fixation of the first casing 31 and the second casing 11 .

The first connecting portion 312 is provided with a raised limiting block 3121 , and the second connecting portion 113 is provided with a bayonet 1131 corresponding to the limiting block 3121 .

When the first housing 31 is docked with the second housing 11 , by rotating the first housing 31 , the limiting block 3121 is snapped into the bayonet 1131 . In a preferred embodiment, the second housing 11 is provided with eight second connecting parts 113 in the circumferential direction, and the first housing 31 is provided with all the second connecting parts 113 corresponding to the second connecting parts 113 . The first connection portion 312 is described. The front grille 3 is connected to the rear grille 1 by means of snap connection, which is convenient for the user to install, and can also be disassembled and cleaned at any time.

Screws are also provided between the second housing 11 and the first housing 31, and threaded holes 111 are provided at the bottom positions corresponding to the second housing 11 and the first housing 31, through which The screws cooperate with the threaded holes 111 to fixedly connect the second housing 11 and the first housing 31 . By means of screw fixing, the connection strength between the front grille 3 and the rear grille 1 is increased, and the safety regulations of the product are met.

The side wall of the second housing 11 includes a pivot shaft 114 provided with a through hole 112, and the power cord of the motor 421 can pass through the through hole 112.

Specifically, the rear grille 1 is provided with a wiring slot 14 for accommodating the power cord, and the wiring slot 14 corresponds to the through hole 112 . The power line passes through the through hole 112 along the wiring slot 14 , and extends into the fixing portion 61 along the outer wall of the inner ring portion 211 , and is finally connected to the circuit provided in the fixing portion 61 . board. Meanwhile, as shown in FIG. 12 , a wire pressing cover 422 is correspondingly provided on the wire routing slot 14 , and the wire pressing cover 422 cooperates with the wire routing slot 14 to form a channel for supplying power cables, thereby avoiding The power cord is exposed to the external environment, causing a safety hazard.

Example 2

Referring to FIGS. 17 to 28 , the embodiment illustrated in the embodiments of this specification discloses an electric fan 91100 , which includes a fan head 911 , a base 912 , and a fan head 911 and the base 912 connected to the fan head 911 . A support rod 913, one end of the support rod 913 is connected to the fan head 911, the other end of the support rod 913 is provided with a plug 9131, and is connected to the base 912 through the plug 9131. The fan head 911 includes a grill assembly 9111 and a drive motor and rotating blades 9112 located in the grill assembly 9111 . The drive motor is used to drive the rotating blade 9112 to operate. The base 912 is provided with a rotating structure that can drive the fan head 911 to swing. The support rod 913 includes an assembly portion 9130 for detachably connecting the support rod 913 body and the fan head 911 to realize the pitch of the fan head 911 .

Referring to FIGS. 20 to 24 , the plug 9131 is provided with a side wall, and the side wall is provided with a reinforcing rib. The structural strength of the plug 9131 is improved by the setting of the reinforcing rib. Specifically, the sidewall includes a first sidewall 91311, a second sidewall 91312 opposite to the first sidewall 91311, and a third side connecting the first sidewall 91311 and the second sidewall 91312 The wall 91313, the fourth side wall 91314, a plurality of first reinforcing ribs 913111 protruding outward from the first side wall 91311, and a plurality of second reinforcing ribs 913121 protruding outward from the second side wall 91312. This arrangement increases the strength of the main force-bearing place of the root portion 91316 of the plug 9131, so that the structural strength of the plug 9131 is greatly improved; at the same time, the first reinforcing rib 913111 and the second The arrangement of the reinforcing ribs 913121 increases the contact area between the plug 9131 and the socket 91222 matched therewith, making the connection structure more stable and less prone to shaking.

Further, as shown in FIG. 24 , the plug 9131 is provided with a plug end portion 91315, a root portion 91316 opposite to the plug end portion 91315, and a plug root surface 913161 that protrudes and extends outward around the root portion 91316. , the reinforcing rib is connected with the plug root surface 913161, that is, the reinforcing rib extends from the plug root surface 913161 to the plug end 91315, and the reinforcing rib is connected with the plug root surface 913161 to further strengthen the structure of the plug 9131 strength. Preferably, the connection between the reinforcing rib and the plug root surface 913161 has a chamfer structure, and the setting of the chamfer 913162 enables the plug 9131 to have better structural strength.

Preferably, as shown in FIGS. 22-24 , the first reinforcing rib 913111 and the second reinforcing rib 913121 both extend along the axis direction, and the number of the first reinforcing rib 913111 is at least two, and they are arranged in parallel and spaced apart from each other. The number of the second reinforcing ribs 913121 is at least two, and they are straight structures arranged parallel to each other and spaced apart. Each of the first reinforcing rib 913111 and the second reinforcing rib 913121 is connected with the plug root surface 913161, and the first reinforcing rib 913111 and the second reinforcing rib 913121 are connected with the plug root surface 913161 With chamfer 913162. This arrangement can enhance the structural strength of the root portion 91316 of the plug 9131 and improve the insertion and removal strength of the plug 9131 .

Referring to FIG. 22 to FIG. 24 , the plug 9131 is further provided with reinforcing ribs. Specifically, the reinforcing ribs include a first reinforcing rib 913113 connecting two adjacent first reinforcing ribs 913111 and a second reinforcing rib 913123 connecting two adjacent second reinforcing ribs 913121. The reinforcing rib 913113 is perpendicular to the first side wall 91311 , and the second reinforcing rib 913123 is perpendicular to the second side wall 91312 . In other embodiments, the first reinforcing rib 913113 and the second reinforcing rib 913123 may be multiple, as long as they remain vertically connected to the side wall. The setting of the reinforcing ribs increases the strength of the reinforcing ribs, thereby improving the structural strength of the plug 9131.

Preferably, the first reinforcing rib 913113 is provided at one end of the first reinforcing rib 913111 away from the root portion 91316, and the first reinforcing rib 913113 and two connected first reinforcing ribs 913111 form a first U-shaped structure ; The second reinforcing rib 913123 is provided at one end of the first reinforcing rib 913121 away from the root 91316, and the second reinforcing rib 913123 and the two second reinforcing ribs 913121 form a second U-shaped structure. With this arrangement, the contact area between the plug 9131 and the base 912 matched with the plug 9131 is increased, and at the same time, the structural strength of the plug 9131 is greatly improved. Therefore, the connection between the plug 9131 and the socket 91222 is more stable and not easy to shake.

21 and 22, the plug 9131 is provided with a first slot 913112 located between two adjacent first U-shaped structures and between two adjacent second U-shaped structures The second slot 913122 in between. The first slot 913112 and the second slot 913122 are used to match the connection between the plug 9131 and the socket 91222 .

Referring to FIGS. 25 to 28 , the socket 91222 is matched with the plug 9131 , and the socket 91222 is provided with a groove for matching with the reinforcing rib. Specifically, the socket 91222 is provided with a holding space 912220 for accommodating the plug 9131 , and the first reinforcing rib 913111 and the second reinforcing rib 913121 abut against the socket 91222 . Referring to FIGS. 25 to 27 , the socket 91222 is provided with a first groove 912221 for holding the first reinforcing rib 913111 and a second groove 912222 for holding the second reinforcing rib 913121 . The socket 91222 further includes a first protrusion 912223 located between two adjacent first grooves 912221, and the first protrusion 912223 is clamped in the first slot 913112. The socket 91222 further includes a second protrusion 912224 located between two adjacent second grooves 912222, and the second protrusion 912224 is clamped in the second slot 913122.

Further, as shown in FIG. 27 and FIG. 28 , the socket 91222 includes a first annular wall 912225 extending in the circumferential direction, a second annular wall 912226 extending in the circumferential direction and located on the periphery of the first annular wall 912225, and a plurality of first reinforcing walls 912227 extending radially and connecting the first annular wall 912225 and the second annular wall 912226. By arranging the first reinforcing wall 912227, the structural strength of the socket 91222 can be improved, and the structural reliability of the electric fan 91100 can be improved.

In the embodiment of this specification, the main body of the support rod 913 includes a first rod body 91301 and a second rod body 91302 that are detachably connected. The top end of the first rod body 91301 is used to connect with the fan head 911 , and the bottom end of the first rod body 91301 is configured as a plug 9131 . The bottom end of the second rod body 91302 is set as a head for connecting with the socket 91222 located on the base 912 , and the top end of the second rod body 91302 is set as a socket 91222 for connecting with the plug at the bottom end of the first rod body 91301 9131 to match.

To sum up, in the electric fan 91100 provided in the embodiment of this specification, the plug 9131 is provided on the support rod 913, and the reinforcing rib is provided on the side wall of the plug, thereby increasing the size of the plug 9131. The strength of the root portion 91316 where the main force is applied, so that the structural strength of the plug 9131 is greatly improved; at the same time, the setting of the reinforcing ribs increases the contact area between the plug 9131 and the socket 912 matched with the plug 9131, so that the connection The structure is more stable and not easy to shake.

Example 3

The embodiment of this specification provides a shaking mechanism 9210 of a floor fan 921. As shown in FIG. 29, which is a schematic three-dimensional structure of the floor fan 921, the floor fan 921 includes a grill assembly 9220, and the grill assembly 9220 accommodates fan blades and The fan blade motor used to drive the fan blade to rotate. One end of the fan blade motor is accommodated in the hub of the fan blade, and the other end of the fan blade motor is fixed in the grill assembly 9220 .

As shown in FIG. 30 , which is a schematic cross-sectional view of the swing mechanism 9210 of the floor fan 921, the swing mechanism 9210 may include:

The upright column 92100, the upper end of the upright column 92100 can be fixedly connected with the grill assembly 9220 of the floor fan 921, and the lower end can be pivotally connected to the support rod 9230 of the floor fan 921, and the column 92100 is a hollow structure;

The drive motor 92200, the drive motor 92200 is installed in the column 92100, and is fixedly connected with the column 92100;

Rotate the gear 92300, and the rotating gear 92300 is fixedly connected with the drive shaft 92210 of the drive motor 92200;

The fixed gear 92400 is engaged with the rotating gear 92300 , and the fixed gear 92400 is fixedly connected with the support rod 9230 of the floor fan 921 .

When the floor fan 921 is in the swinging mode, the driving motor 92200 drives the rotating gear 92300 to rotate, the rotating gear 92300 meshes with the fixed gear 92400, and the fixed gear 92400 is fixedly connected with the support rod 9230, the driving motor 92200 is fixedly connected with the column 92100, and the column 92100 The lower end of the fan is pivotally connected to the support rod 9230, so that the column 92100 rotates relative to the support rod 9230, which in turn drives the grille assembly 9220 of the floor fan 921 to rotate relative to the support rod 9230, so that the floor fan 921 shakes its head and blows out the air. By adopting the above structure, the swing mechanism 9210 of the floor fan 921 can be arranged in the column 92100 connected with the grill assembly 9220, and the swing of the grill assembly 9220 can be realized, which is beneficial to reduce the volume of the fan head, thereby reducing the size of the fan head. The overall volume of the small floor fan 921.

In specific implementation, as shown in FIG. 29 , the upright post 92100 can be fixedly connected to the grill assembly 9220 through the connecting piece 92110 at the upper end thereof, and the lower end of the upright post 92100 can be pivotally connected with the support rod 9230 . When the rocking mechanism 9210 works, the upright post 92100 It can be rotated relative to the support rod 9230.

As a preferred embodiment, as shown in FIG. 30 and FIG. 33 , a fixed plate 92120 may be arranged in the column 92100, the driving motor 92200 is fixedly arranged above the fixed plate 92120, and the rotating gear 92300 and the fixed gear 92400 are arranged on the fixed Below plate 92120. The fixing plate 92120 may have a first through hole 92121 , and the driving shaft 92210 of the driving motor 92200 may pass through the first through hole 92121 to be connected with the rotating gear 92300 located under the fixing plate 92120 . Therefore, the fixing plate 92120 can be used to install the driving motor 92200, so that the upright column 92100 can rotate with the driving motor 92200.

As shown in FIG. 34 , the fixed gear 92400 may be provided with a limiting portion 92410, the limiting portion 92410 protrudes upward from the top surface of the fixed gear 92400, and the two ends of the limiting portion 92410 are respectively provided with a first limiting body 92411 and a second limiting body 92411. Two limiting bodies 92412. As shown in FIG. 33 , a limiting block 92121 may be provided on the lower surface of the fixing plate 92120 , and the limiting block 92121 rotates between the first limiting body 92411 and the second limiting body 92412 . Thereby, the over-range of the shaking angle is avoided.

During specific implementation, as shown in FIG. 34 , the first limiting body 92411 and the second limiting body 92412 can be connected by an arc-shaped transition body 92413, so that the inner end surface of the limiting block 92121 can be connected with the transition body 92413 The two sides of the limiting block 92121 can cooperate with the corresponding side surfaces of the first limiting body 92411 and the second limiting body 92412 to limit the position.

As shown in FIG. 34 , the fixed gear 92400 can be an incomplete gear, and its circumferential length can be designed according to the requirement of the shaking angle. As shown in FIG. 30 and FIG. 32 , the fixed gear 92400 may be a hollow structure, and one side of the fixed gear 92400 may be provided with a second through hole 92420, and the second through hole 92420 communicates with the hollow chamber of the fixed gear 92400, so that it can be Lead the power lines of the drive motor 92200 and the fan blade motor into the second through hole 92420 to connect with the corresponding devices for power supply.

As a preferred embodiment, as shown in FIG. 30 and FIG. 34 , the fixed gear 92400 may be provided with a connecting portion 92430, and the connecting portion 92430 is used for fixedly connecting with the support rod 9230 of the floor fan 921; the connecting portion 92430 is self-fixing gear The underside of the 92400 extends downward.

As shown in FIG. 30 and FIG. 31 , the rocking mechanism 9210 further includes a bearing 92500 . The bearing 92500 is sleeved on the connecting portion 92430 and located in the upright column 92100 .

The connecting portion 92430 can not only be used to connect the fixed gear 92400 to the support rod 9230 fixedly, but also can be used to set the bearing 92500. When the column 92100 drives the grill assembly 9220 to rotate relative to the support rod 9230, the inner surface of the bearing 92500 and the fixed gear The outer surface of the connecting part 92430 of the 92400 is in contact, and the outer surface of the bearing 92500 is in contact with the interior of the column 92100, which can reduce the friction during the rotation of the column 92100 and improve the shaking effect.

As a preferred embodiment, as shown in FIG. 30 and FIG. 31 , the rocking mechanism 9210 may also include a bearing bracket 92600, which is fixedly connected to the column 92100; the bearing bracket 92600 can install the bearing 92500 in the column 92100.

As shown in FIG. 33 , the upright post 92100 is provided with an installation groove 92130 , the installation groove 92130 extends along the inner side wall of the upright post 92100 , and the bearing bracket 92600 is fixedly connected with the installation groove 92130 . In the specific implementation, the bearing bracket 92600 can be fixedly connected to the installation groove 92130 by screws. Specifically, the screws pass through the installation holes 92610 on the bearing bracket 92600 and extend into the installation groove 92130 along the axial direction of the upright column 92100, and are installed with Slot 92130 is fixedly connected.

As a preferred embodiment, as shown in FIG. 30 , FIG. 32 and FIG. 34 , the outer peripheral surface of the connecting portion 92430 is provided with a limiting protrusion 92431 , and the bearing 92500 is arranged between the limiting protrusion 92431 and the bearing bracket 92600 , and the limiting protrusion 92431 abuts on the inner edge of the upper end surface of the bearing 92500 , and the inner edge of the bearing bracket 92600 abuts on the outer edge of the lower end surface of the bearing 92500 . Therefore, the bearing bracket 92600 and the connecting portion 92430 can limit the movement of the bearing 92500 in the axial direction of the column 92100, so that the bearing 92500 can reduce friction during the rotation of the column 92100.

As shown in FIGS. 30 and 33 , the upright post 92100 is provided with an abutting portion 92140 . The abutting portion 92140 extends downward along the inner side wall of the upright post 92100 and abuts with the outer edge of the upper end surface of the bearing 92500 .

As shown in FIG. 30 and FIG. 35 , the rocking mechanism 9210 may further include a connecting piece 92700 , and the fixed gear 92400 is fixedly connected with the support rod 9230 through the connecting piece 92700 . The top of the connecting member 92700 has an extension portion 92710 , and the extending portion 92710 extends upward along the axis direction of the connecting member 92700 to abut against the inner edge of the lower end surface of the bearing 92500 .

Therefore, the upright column 92100 acts as a rotating member in the swinging mode, and is in contact with the upper and lower end surfaces of the outer circle of the bearing 92500 through the abutting portion 92140 and the bearing bracket 92600, respectively. The fixed gear 92400 and the connecting piece 92700 are used as stationary parts in the swinging mode, which are in contact with the upper and lower end surfaces of the inner circle of the bearing 92500 through the limiting protrusions 92431 on the fixed gear 92400 and the extension 92710 on the connecting piece 92700, respectively. Thereby, the notch of the installation groove 92130 is fitted with the outer peripheral surface of the outer circle of the bearing 92500, and the outer peripheral surface of the connecting portion 92430 of the fixed gear 92400 is fitted with the inner peripheral surface of the inner circle of the bearing 92500, which further enhances the bearing 92500 in the column 92100. The effect of reducing friction during rotation.

As a preferred embodiment, as shown in FIG. 33 , a reinforcing rib is further provided between the abutting portion 92140 and the inner side wall of the column 92100 .

As a preferred embodiment, as shown in FIGS. 30 , 31 and 35 , the rocking mechanism 9210 further includes a connecting piece 92700 , and the fixed gear 92400 is fixedly connected to the support rod 9230 through the connecting piece 92700 ; the connecting piece 92700 includes a relative arrangement The first end 92720 and the second end 92730 are fixedly connected with the connecting part 92430 by fasteners, and the second end 92730 is connected with the support of the floor fan 1 by screws.

The fixed gear 92400 needs to mesh with the rotating gear 92300 in the horizontal direction, and the fixed gear 92400 located in the column 92100 can be fixedly connected with the support rod 9230 located below the column 92100 through the connecting piece 92700 . And, in the above structure, the bearing bracket 92600 can not only install the bearing 92500 in the column 92100, but also can install the connecting piece 92700 fixedly connected with the fixed gear 92400 on the column 92100. The second end 92730 of the connecting member 92700 is detachably connected to the support rod 9230, so that the space between the upright column 92100 and the support rod 9230 is easy to disassemble and store.

As a preferred embodiment, as shown in Figures 29 and 35, the outer surface of the first end portion 92720 is provided with a plurality of rings of annular protrusions 92721. Therefore, the contact area between the upright post 92100 and the connecting piece 92700 can be reduced, and it is convenient for the upright post 92100 to rotate relative to the support rod 9230 .

As a preferred embodiment, as shown in FIG. 34 and FIG. 35 , a positioning structure may also be provided between the connecting piece 92700 and the connecting portion 92430. The positioning structure includes a positioning block 92740 arranged on the connecting piece 92700, and a positioning block 92740 arranged on the connecting piece 92700. When installing the connector 92700 and the connecting part 92430 of the fixed gear 92400, the gap 92432 of the part 92430 can be positioned by the positioning structure, and then fastened by the fastener to avoid wrong installation.

As a preferred embodiment, as shown in FIG. 30 and FIG. 32 , a DC female head 92800 and a fixing frame 92900 may also be arranged in the second end portion 92730, and the fixing frame 92900 is fixedly connected with the second end portion 92730, and the DC The female head 800 is fixedly installed on the fixing frame 92900; the end of the support rod 9230 of the floor fan 1 is provided with a DC male head, and the DC female head 92800 and the DC male head are matched with each other.

As shown in FIG. 30 , the power cables of the drive motor 92200 and the fan blade motor can be connected to the DC female head 92800 through the second through hole 92420 on the fixed gear 92400 to supply power.

The embodiment of the present specification also provides a floor fan 921, which includes the swing mechanism 9210 of the floor fan 1 described above.

As shown in FIG. 29 , the floor fan 921 includes a grill assembly 9220, and the grill assembly 9220 accommodates a fan blade and a fan blade motor for driving the fan blade to rotate. One end of the fan blade motor is accommodated in the hub of the fan blade, and the other end of the fan blade motor is fixed in the grill assembly 9220 . The upper end of the upright column 92100 of the swing mechanism 9210 can be fixedly connected with the grill assembly 9220 of the floor fan 921 , and the lower end can be pivotally connected to the support rod 9230 of the floor fan 1 . Therefore, the swing mechanism 9210 of the floor fan 1 can be arranged in the column 92100 connected with the grill assembly 9220, and the swing of the grill assembly 9220 can be realized, which is beneficial to reduce the volume of the fan head, thereby reducing the floor fan. The overall volume of the 921.

Example 4

The embodiment of this specification provides a floor fan 931. As shown in FIG. 36 and FIG. 37 , the floor fan 931 includes a grill assembly 9320 and a support portion 9310. The support portion 9310 is disposed at the lower portion of the grill assembly 9320 and is used to support the grill. Component 9320. The support portion 9310 is formed by splicing a plurality of support members in sequence, and two adjacent support members are connected by a plug-in structure 93400 . As shown in FIG. 36 , the support member may include a rocking column 93100, a detachable column 93200 and a base assembly 93300, and the rocking column 93100, the detachable column 93200 and the base assembly 93300 are connected in sequence.

As shown in Figures 36 and 38, the plug-in structure 93400 may include:

a threaded connection part, the threaded connection part includes an inner thread 93410 and an outer thread 93420, and the inner thread 93410 and the outer thread 93420 are respectively provided at the connection ends of two adjacent supports; and,

DC plug, the DC plug is arranged inside the support member, the DC plug includes a DC male head 93430 and a DC female head 93440, and the DC male head 93430 and the DC female head 93440 are respectively arranged at the connecting ends of two adjacent support members; and the inner When the thread 93410 and the external thread 93420 are matched with each other, the DC male head 93430 is located in the DC female head 93440 and forms an electrical connection.

When the user needs to store the floor fan 931 , the grill assembly 9320 , the rocking column 93100 , the detachable column 93200 and the base assembly 93300 can be disassembled from each other, thereby reducing the space required for the floor fan 931 to be accommodated. After the floor fan 931 is assembled, the supports can be connected to each other to provide support, and can also be electrically connected to supply power.

As a preferred embodiment, as shown in FIG. 38 , the plug-in structure 93400 further includes a limiting step 93450, and the limiting step 93450 extends inward from the end of the external thread 93420 along the axis of the support member. Thus, the limiting step 93450 can prevent the two supports from being under-tightened or over-tightened in the axial direction.

As a preferred embodiment, as shown in FIGS. 38 , 39 and 40 , the DC male head 93430 includes a pin 93431, the DC female head 93440 includes a socket 93441, and the pin 93431 is accommodated in the socket 93441 and can be inserted into the socket 93441. Socket 93441 rotates inside. During the process of screwing the two supports, relative rotation will occur between the supports, and the pins 93431 and the sockets 93441 can be rotated correspondingly to form an electrical connection between the supports.

The following takes the connection between the rocking column 93100 and the detachable column 93200 as an example to further introduce the plug-in structure 93400 in the embodiment of this specification.

As a preferred embodiment, the shaking head column 93100 and the detachable column 93200 each include a first connection end 93110 and a second connection end 93120 arranged oppositely; the first connection end 93110 is provided with an inner thread 93410 and a DC male head 93430, The second connection end 93120 is provided with an external thread 93420 and a DC female 93440. The first connecting end 93110 is provided with a mounting seat 93111, and the DC male head 93430 is fixedly installed on the mounting seat 93111; the second connecting end 93120 is provided with a fixing frame 93121, the fixing frame 93121 is fixedly connected with the second connecting end 93120, and the DC female The head 93440 is fixedly mounted on the fixing frame 93121.

As shown in FIG. 38 , it is a schematic diagram of the structure of the rocking column 93100 , wherein the DC male head 93430 and the DC female head 93440 in the rocking column 93100 are disassembled. The upper end of the rocking column 93100 is the first connecting end 93110, and the inner side is provided with an inner thread 93410 and a mounting seat 93111 for mounting the DC male head 93430. The lower end of the rocking column 93100 is the second connecting end 93120, and the outer side is provided with an external thread 93420;

The first connecting end 93110 and the second connecting end 93120 of the detachable upright 93200 are similar in structure to the first connecting end 93110 and the second connecting end 93120 of the swinging upright 93100 . When connecting the detachable column 93200 and the rocking column 93100, the external thread 93420 under the rocking column 93100 can be connected with the inner thread 93410 above the detachable column 93200; The female head 93440 is gradually contacted with the DC male head 93430 above the detachable upright 93200 until the DC female head 93440 of the shaking head upright 93100 is inserted into the DC male head 93430 of the detachable upright 93200.

In a specific implementation, the DC female head 93440 can also be disposed in the first connection end 93110 , and the DC male head 93430 can also be disposed in the second connection end 93120 .

As a preferred embodiment, as shown in FIG. 38, the fixing frame 93121 is provided with a first threaded hole 931211 and a second threaded hole 931212, the first threaded hole 931211 is used for fixed connection with the DC female head 93440; the second threaded hole The holes 931212 are distributed along the circumference of the fixing frame 93121, and are used for connecting with the pipe wall at the second connection end 93120 of the rocking column 93100 or the pipe wall at the second connection end 93120 of the detachable column 93200. Through the second threaded hole 931212, the fixing bracket 93121 can be fixed in the shaking head column 93100 or the detachable column 93200, and the DC female head 93440 can be installed through the first threaded hole 931211, so that the DC female head 93440 can be installed in the shaking head column 93100 or can be Remove upright 93200 inside.

As a preferred embodiment, as shown in FIG. 38 , in the shaking head column 93100 or the detachable column 93200, the side of the DC male head 93430 facing the DC female head 93440 is provided with a male terminal 93432, and the DC female head 93440 The side facing the DC male head 93430 is provided with a female head connection terminal 93442, and the male head connection terminal 93432 and the female head connection terminal 93442 are connected by a wire 93460.

By adopting the above structure, for the rocking column 93100 and the detachable column 93200, the DC male head 93430 can be arranged in the upper mounting seat 93111, and the position of the mounting seat 93111 is lower than the inner thread 93410, so as not to affect the rocking column 93100 and the detachable The column 93200 is connected with the corresponding parts, and the DC male head 93430 is in a proper position. After the support members are connected in place, the DC male head 93430 and the DC female head 93440 can also be connected in place. The DC female head 93440 can be installed inside the shaking head column 93100 or the detachable column 93200 through the fixing bracket 93121, so that the DC female head 93440 can be protected. The DC male head 93430 and the DC female head 93440 in the column are connected by wires 93460. As a result, the rocking column 93100 and the detachable three-dimensional body can be formed into mutually independent components, which is convenient for disassembly and assembly.

Moreover, according to the actual situation, a corresponding number of detachable uprights 93200 can be provided. For example, when the height of the floor fan 931 is required to be high, the number of detachable columns 93200 can be increased; and when the height of the floor fan 1 needs to be lower, the detachable columns can be reduced or even not installed. It has strong flexibility and can meet different usage needs.

There is also a similar plug-in structure between the base and the detachable upright post 93200, and a feasible implementation manner of the base is described in detail below.

As a preferred embodiment, as shown in FIGS. 41 and 42 , the base assembly 93300 includes a bottom cover 93310 , a first DC socket 93320 and a second DC socket 93330 , and the first DC socket 93320 is provided on the bottom cover 93310 In the center, the second DC socket 93330 is disposed on the edge of the bottom cover 93310, and the first DC socket 320 and the second DC socket 93330 are connected by wires.

The detachable column 93200 is connected to the base through the first DC socket 93320 in the center; the wires can be led to the edge of the base assembly 93300 through the second DC socket 93330, so that the wires of the fan are drawn out from the fan head and pass through in turn. Each support is finally drawn out from the base assembly 93300, which makes the overall structure of the fan simple.

As a preferred embodiment, as shown in Figures 41 and 42, the base assembly 93300 further includes a counterweight 93340 and a base body 93350, the base body 93350 is fixedly connected to the top of the bottom cover 93310, and the counterweight 93340 is provided between the base body 93350 and the bottom cover 93310. Thereby, the stability of the base assembly 93300 is improved.

As a preferred embodiment, as shown in FIG. 42, the base assembly 93300 further includes a DC fixing cover 93360, the DC fixing cover 93360 is fixedly connected to the center of the base, and the first DC socket 93320 is fixedly connected to the DC fixing cover 93360 and the top surface of the DC fixing cover 93360 is not higher than the lower end of the inner thread 93410 of the base body 93350. The first DC socket 93320 can be installed through the DC fixing cover 93360, and the first DC socket 93320 is lower than the inner thread 93410 of the base body 93350, which facilitates the connection of the detachable column 93200 with the base.

As a preferred embodiment, the bottom surface of the bottom cover 93310 is provided with a plurality of foot pads. Thereby improving the stability of the overall structure.

Example 5

This embodiment provides a floor fan. As shown in FIG. 43, the floor fan includes a grill assembly 9410, a support rod 9420 and a base 9430. The grill assembly 9410 is provided with blades and a motor, and the motor drives the blades to rotate to realize air supply. One end of the support rod 9420 is connected to the grill assembly 9410, and the other end is connected to the base 9430. The base 9430 can drive the support rod 9420 to rotate around its own axis, and drive the grill assembly 10 to rotate, so that the floor fan can supply air in all directions .

As shown in FIGS. 44 to 46 , the base 9430 includes a housing 941 , a rotating member 942 , a sensing member 943 , a first sensor 944 and a second sensor 945 . The rotating member 942 is rotatably disposed in the casing 941 and drives the support rod 9420 to rotate to drive the grill assembly 9410 to swing. When the rotating member 942 rotates in the casing 941, the supporting rod 9420 can rotate with the rotating member 942 , so that the grill assembly 9410 also rotates accordingly, so the grill assembly 9410 can supply air in different directions.

Specifically in this embodiment, the rotating member 942 can be a driven gear, the base 9430 is provided with a driving device 9440 for driving a driving gear 9450 to rotate (for example, the driving device 9440 can be a motor), the driving gear 9450 and the driven gear 9440 The gears mesh to transmit power to the driven gear 9451. The support rod 9420 and the driven gear 9451 are coaxially arranged, and the driven gear 9451 can drive the support rod 9420 to rotate. Specifically, as shown in FIGS. 50 and 51 , a connection socket 9425 is also arranged in the base 943 , which is fixedly connected with the driven gear 9451 to rotate synchronously, and a connection plug 94201 matching the connection socket 9425 is arranged on the support rod 9420 . , the connection socket 9425 is connected with the connection plug 94201 to realize transmission.

As shown in FIGS. 44 and 45 , the sensing member 943 is disposed on the rotating member 942 and rotates with the rotating member 942 . The first sensor 944 and the second sensor 945 are both fixedly disposed in the housing 941 . When the rotating member 942 rotates to the first At an angle, the sensing element 943 is opposite to the first sensor 944 and triggers the first sensor 944 . When the rotating element 942 rotates to the second angle, the sensing element 943 is opposite to the second sensor 945 and triggers the second sensor 945 .

During the rotation of the rotating member 942 , when the sensing member 943 triggers the first sensor 944 , the rotating member 942 changes the rotation direction so that the sensing member 943 moves toward the direction of the second sensor 945 . When the sensing member 943 triggers the second sensor 945 , the rotating member 942 changes the direction of rotation again, so that the sensing member 943 moves toward the direction of the first sensor 944. In this way, the first and second sensors 945 and the sensing member 943 cooperate to make the grid assembly 9410 and the first angle at the first angle. It rotates back and forth between the two angles, so the floor fan can swing to supply air within a certain angle range.

As a preferred embodiment, both the first sensor 944 and the second sensor 945 are Hall sensors, and the sensing element 943 is a magnetic element. The Hall sensor is reliable in operation, low in cost, and is small in size and easily accommodated in the base 9430. In other preferred embodiments, other types of sensors such as photoelectric sensors and proximity switches can also be selected.

As shown in FIGS. 44 , 45 and 46 , the base 9430 further includes a mounting seat 946 connected to the housing 941 , the mounting seat 946 has an accommodating hole 9461 , and the rotating member 942 is rotatably disposed in the accommodating hole 9461 . The mounting seat 946 plays a positioning role for the rotating member 942 , the rotating member 942 can be conveniently arranged in the housing 941 through the mounting seat 946 , the rotating member 942 is accommodated in the accommodating hole 9461 , and the mounting seat 946 can play a certain role for the rotating member 942 The function of protection and isolation can prevent the rotating part 942 from winding and colliding with the electric control circuit or other parts when it rotates, so as to ensure the operation reliability of the floor fan.

As shown in FIG. 46 , the mounting seat 946 is further provided with two mounting holes 9462 , both of which are located radially outside the accommodating hole 9461 , and the first sensor 944 and the second sensor 945 are respectively disposed in the two mounting holes 9462 Inside. With the aid of the mounting holes 9462, the first sensor 944 and the second sensor 945 are arranged radially outside the rotating member 942. In this way, the distance between the two sensors is relatively large to avoid mutual interference between the sensors and affect the operation. Correspondingly, the sensing member 943 can It is arranged at a position radially outward of the rotating member 942, so that the sensing member 943 is relatively close to the sensor. In some other embodiments, the first sensor 944 and the second sensor 945 can also be arranged on one side of the axial direction of the rotating member 942, in this case, the installation hole 9462 can be arranged on the installation seat 946 and accommodated The different side of the holes 9461, or the mounting holes 9462 are arranged at the bottom of the receiving holes 9461.

The opening of the mounting hole 9462 and the opening of the accommodating hole 9461 face different sides of the mounting seat 946 . The two sensors (the first sensor 944 and the second sensor 945 ) and the rotating member 942 are installed on the mounting base 946 from different sides to prevent mutual interference or interference during installation, which is conducive to quick installation, and the sensor and the rotating member 942 are mounted on the base 946 is spaced apart so that the rotating member 942 will not hit or even damage the sensor when it rotates.

A communication hole 9463 communicated with the mounting hole 9462 is formed on the peripheral side of the mounting seat 946 . The control lines of the first and second sensors can be drawn out from the communication holes 9463 on the side to prevent the lines from being entangled or worn with the rotating member 942 .

Both the first sensor 944 and the second sensor 945 are located at the radial outer side of the rotating member 942 , and the sensing member 943 is located at the radial edge portion of the rotating member 942 . In this way, the distance between the first sensor 944 and the second sensor 945 is relatively long, and they will not interfere with each other, which affects the stability and reliability of the rotation control.

The angle difference between the first angle and the second angle is 90°˜240°. This angle range can meet the swing air supply requirements of most scenarios. Moreover, if the angle difference is too large or too small, the positions of the first sensor 944 and the second sensor 945 are relatively close, interference is likely to occur, and the sensors cannot be installed.

The rotating member 942 has an annular reinforcing rib 9421 and a radial reinforcing rib 9422 , a plurality of radial reinforcing ribs 9422 are arranged at intervals and extend outward from the annular reinforcing rib 9421 , and the sensing element 943 is arranged in the space between the radial reinforcing ribs 9422 . The rotating member 942 is reinforced by the annular reinforcing rib 9421 and the radial reinforcing rib 9422, so that the rotating member 942 can carry the support rod 9420 and the grille assembly 9410. At the same time, the sensing member 943 is installed in the gap between the reinforcing ribs, making full use of the space, so that the internal structure of the base 9430 is relatively compact, which is beneficial to the miniaturization of the base 9430 and facilitates the storage of the floor fan.

As shown in FIGS. 48 and 49 , limit bearings 947 are respectively disposed on both axial sides of the rotating member 942 , and the two axial sides of the rotating member 942 are respectively connected to the housing 941 through the limit bearings 947 . A limit bearing 947 is arranged between the rotating member 942 and the housing 941 to ensure smooth rotation of the rotating member 942 . At the same time, the two limit bearings 947 can limit the rotating member 942 to prevent the rotating member 942 from loosening and deflecting due to external loads acting on the support rod 9420 or the grille assembly 9410, thereby improving the running stability of the floor fan .

Specifically, in this embodiment, the two limit bearings 947 are both plane thrust ball bearings, and one end of the plane thrust ball bearing in the axial direction abuts against the rotating member 942 and the other end against the housing 941 . In other preferred embodiments, the limit bearing 947 may also be a radial bearing (eg, a deep groove ball bearing).

Example 6

The embodiment of this specification provides a fan 951. As shown in FIG. 52, the upper part of the fan 951 has a fan surface 9520, and the lower part of the fan surface 9520 is supported by a support part 9510, which is formed by splicing several support parts in sequence. The support member may include a support rod 95100, a rocking column 95200, a detachable column 95300 and a base 95400 connected in sequence from top to bottom, wherein the support rod 95100 on the upper side is used for the connection of the fan surface 9520.

As shown in FIG. 52 to FIG. 54 , the fan surface 9520 may include a grille assembly 95500, and the grille assembly 95500 includes a front grille 95510 and a rear grille 95520 arranged opposite to each other, and the front grille 95510 and the rear grille 95520 are connected to form a receiving cavity , the accommodating cavity is used for accommodating the fan blades 9530 and the motor 9540 of the fan 951 . One end of the motor 9540 is accommodated in the hub of the fan blade 9530 , and the other end of the motor 9540 is fixed in the grill assembly 95500 . Therefore, both the motor 9540 and the fan blade 9530 are accommodated in the grill assembly 95500, and the fan 951 has a compact structure and a small volume.

As shown in Figure 53, Figure 54 and Figure 55, the support rod 95100 is used to connect with the fan surface 9520, the support rod 95100 includes a connecting piece 95110 and a body part 95120 integrally formed with the connecting piece 95110; It is matched to the surface and fixedly connected with the sector 9520. Therefore, the connection area between the support rod 95100 and the fan surface 9520 can be increased, the stability and reliability of the connection between the support rod 95100 and the fan surface 9520 can be improved, and the fan 951 can be prevented from shaking during operation.

In the specific implementation, as shown in FIG. 54 , the fan surface 9520 can be in the shape of a flat cylinder, the support rod 95100 is connected with the circumferential surface of the lower part of the fan surface 9520 , and the connecting piece 95110 is in the shape of an arc to connect with the circumferential surface of the fan surface 9520 match and wrap part of the circumferential surface. Correspondingly, the fan surface 9520 can also be designed into other shapes according to requirements, and the connecting piece 95110 can also be designed to match the shape of the corresponding circumferential surface of the fan surface 9520 . Also, the length of the connecting piece 95110 can also be designed accordingly according to the connection requirements.

As a preferred embodiment, as shown in FIG. 57 and FIG. 58 , the connecting piece 95110 includes a first connecting body 95111 and a second connecting body 95112, and the first connecting body 95111 and the second connecting body 95112 are symmetrically arranged on the body part On both sides of the 95120, the first connecting body 95111 and the second connecting body 95112 are both used to fit and fixedly connect with the circumferential surface of the sector 9520 assembly. When the connecting piece 95110 is connected with the fan surface 9520, the axis of the body portion 95120 coincides with the vertical axis of symmetry of the fan surface 9520, and the first connecting body 95111 and the second connecting body 95112 are respectively connected with the circumferential surface of the fan surface 9520, so that the receiving The force is balanced, and the stability and reliability of the connection between the support rod 95100 and the fan surface 9520 are improved.

One of the first connecting body 95111 and the second connecting body 95112 is provided with a first wiring groove 95113, as shown in FIG. 55, FIG. 56, FIG. 57 and FIG. 58, the first wiring groove 95113 is provided on the first connecting body 95111, and the first wiring groove 95113 extends from the end of one end of the first connecting body 95111 into the body portion 95120. Through the first wiring slot 95113, the wires in the fan surface 9520 can be introduced into the body part 95120 in cooperation with other mechanisms to form a power supply circuit to supply power to the motor 9540 in the fan surface 9520; and the wiring of the fan 951 can also be arranged in the The inside of the fan 951 makes the overall structure simple.

The surface of the connecting piece 95110 is provided with reinforcing ribs 95114. As shown in FIG. 57 and FIG. 58 , there are reinforcing ribs 95114 on both ends of the lower surface of the connecting piece 95110, and a reinforcing rib 95114 in the middle of the upper surface of the connecting piece 95110, thereby Improve the structural strength of the connecting piece 95110.

As a preferred embodiment, as shown in FIG. 53 and FIG. 54 , the fan surface 9520 further includes a neck assembly 95600, and both ends of the neck assembly 95600 are respectively connected with the grille assembly 95500, and are arranged on the grille assembly 95500. The lower half; the connecting piece 95110 is fixedly connected with the neck assembly 95600.

As shown in FIG. 54 , the fan surface 9520 is in the shape of a flat cylinder. As shown in FIGS. 54 and 56 , the neck component 95600 can be an arc-shaped structure, which matches the lower half of the fan surface 9520 . The line connecting the two connecting ends of the fan surface 9520 and the neck assembly 95600 coincides with the diameter of the fan surface 9520 in the horizontal direction. The connecting piece 95110 is connected to the lower end of the neck assembly 95600, and both ends of the neck assembly 95600 can be connected to the fan surface 9520 along the horizontal direction, so as to improve the stability of the support rod 95100 to the grill assembly 95500.

As a preferred embodiment, the neck assembly 95600 includes a neck upper cover 95610, both ends of the neck upper cover 95610 are pivotally connected to the grill assembly 95500, and the connecting piece 95110 abuts against the neck upper cover 95610. lower surface. As shown in FIG. 59 , the grill assembly 95500 can be rotated relative to the neck assembly 95600 to adjust the pitch angle of the grill assembly 95500 .

As a preferred embodiment, as shown in FIGS. 55 and 56 , the fan 951 is provided with a motor 9540 accommodated in the grill assembly 95500 and a second wire groove 95530 disposed on the grill assembly 95500 .

As shown in FIG. 55 and FIG. 56 , the second wiring slot 95530 is arranged on one side of the power cord lead-out end of the motor 9540, and extends along the power cord lead end to the edge of the sector 9520, so that the power cord is installed on the second When the wiring groove 95530 is on, it can extend to the edge of the fan surface 9520 along the direction of the second wiring groove 95530 and then extend downward into the support rod 95100 . As shown in FIG. 56 , the width of the second wiring slot 95530 gradually increases from the motor 9540 to the edge of the sector 9520 . Along the extending direction of the second wiring slot 95530 , there are limiting plates 95531 on both sides of the second wiring slot 95530 , so that the power lines can be restricted and fixed between the two limiting plates 95531 .

As a preferred embodiment, as shown in FIG. 56 , a through hole 95611 is provided at the connection between the neck upper cover 95610 and the grille assembly 95500, and the power cable of the motor 9540 can pass through the through hole along the second wiring groove 95530. hole 95611, and enter the body part 95120 through the first wiring slot 95113.

As shown in FIG. 56 , one end of the second wiring slot 95530 at the edge of the fan surface 9520 is bent to form a bent portion 95532, and the bent portion 95532 is opposite to the through hole 95611, so that after the power cord of the motor 9540 is drawn out from the motor 9540, it is The second wiring groove 95530 extends along the radial direction of the fan surface 9520, and extends to the circumferential direction of the fan surface 9520 through the bent portion 95532 on the second wiring groove 95530, so as to pass through the neck cover 95610. Through hole 95611 leads out. After the power cord is drawn out from the through hole 95611 of the neck top cover 95610, it can extend around the outer surface of the neck top cover 95610 to the bottom of the neck top cover 95610, and enter the body part 95120 through the first wiring slot 95113. Therefore, the power cord of the motor 9540 can be arranged inside the fan 951, so as to prevent the power cord from being exposed, reduce the abrasion of the power cord, and make the overall structure of the fan 951 more beautiful.

As a preferred embodiment, the fan 951 is provided with a fixing component fixedly connected with the neck upper cover 95610, and the fixing component includes a clip and/or a locking component;

The clip includes a clip slot 95710 arranged on the edge of the connecting piece 95110 and a clip 95720 arranged on the lower surface of the neck upper cover 95610, and the clip 95720 and the clip slot 95710 cooperate with each other;

The locking piece is connected with the neck upper cover 95610 through the connecting piece 95110.

Therefore, the connecting piece 95110 can be fixed to the neck upper cover 95610 by the clip and/or the locking piece, thereby enhancing the stability and reliability of the connection.

During specific implementation, a corresponding fixing method may be selected according to actual connection requirements. For example, the connection may be performed by evenly distributing locking members or clips on the connecting piece 110 , or a combination of clipping and locking.

As shown in FIGS. 55 , 57 and 58 , the locking piece (not shown) passes through the middle part of the connecting piece 95110 , and the locking grooves 95710 are provided at both ends of the connecting piece 95110 in the length direction. Wherein, the locking member may be a screw. Therefore, on the connecting piece 95110 with a certain length, the middle of the connecting piece 95110 is fixedly connected by a locking member, and the two sides are clamped by the clamping slot 95710, so that the connecting piece 95110 can be connected with the neck upper cover 95610 everywhere, and the overall connection is improved. reliability and stability.

As a preferred embodiment, as shown in FIG. 54 , the neck assembly 95600 further includes a lower neck cover 95620, and the lower neck cover 95620 passes through the body portion 95120 and is snapped with the upper neck cover 95610. Therefore, components such as the connecting sheet 95110 and the power cord can be wrapped in it, so that the components are not exposed, and the overall aesthetics of the fan 951 can be improved.

As a preferred embodiment, the fan 951 further includes a rotating assembly (not shown) disposed in the body portion 95120 . The rotating assembly can drive the support rod 95100 to rotate relative to the rocking column 95200 below it, and then the support rod 95100 can drive the fan surface 9520 connected to it to rotate, so that the fan 951 can swing its head to discharge air.

During specific implementation, the support rod 95100 can be connected with the corresponding structure on the fan surface 9520 according to actual requirements to support the fan surface 9520 . For example, in the above embodiment, the fan surface 9520 may include a grille assembly 95500 and a neck assembly 95600, and the support rod 95100 may be connected with the above-mentioned neck assembly 95600 to support the fan surface 9520. The grille assembly of the fan surface 9520 The 95500 can be rotated relative to the neck assembly 95600, so that the pitch angle of the grill assembly 95500 can be adjusted. In other embodiments, for example, for the fan 951 without the pitch adjustment function, the fan surface 9520 can only have the grill assembly 95500, and the support rod 95100 can also be directly connected with the grill assembly 95500 to support the fan surface 9520. .

When the fan 951 is in the swinging head blowing mode, the support rod 95100 is connected with the neck assembly 95600 or directly with the grille assembly 95500 through the connecting piece 95110, which increases the connection area and improves the stability of the connection, thereby avoiding the fan 951 Shake, improve the use effect.

The above embodiments are only used to illustrate the embodiments of the present specification and do not limit the technical solutions described in the embodiments of the present specification. The understanding of the embodiments of the present specification should be based on those skilled in the art. The embodiments of the specification have been described in detail, but those skilled in the art should understand that those skilled in the art can still make modifications or equivalent replacements to the embodiments of the specification without departing from the spirit and the embodiment of the specification. The technical solutions within the scope and improvements thereof shall all be covered within the scope of the claims of the embodiments of this specification.

Claims

A fan, characterized in that, comprising:

grille;

a motor disposed within the grille; and

a circular ring, which is arranged on the outside of the grille, and the circular ring includes an upper half-ring and a lower half-ring separated from the upper half-ring;

Wherein, the upper half ring is arranged on the grille, and the lower half ring is pivotally connected to the grille.
The fan according to claim 1, wherein a pivot shaft is provided on the grille, and the pivot shaft is installed on the lower half-circle, so that the grille is connected to the upper half-circle. The rings together make a circumferential movement around the pivot shaft.
The fan of claim 2, wherein the upper half ring comprises an inner casing and an outer casing matched with the inner casing, and the inner casing is integrally formed on the grille.
The fan according to claim 2, wherein the lower half ring comprises an inner ring portion and an outer ring portion matched with the inner ring portion;

The inner ring portion includes a shaft hole sleeved on the pivot shaft, so that the grille rotates relative to the lower half ring.
The fan according to claim 4, wherein a limiting portion is provided on the pivot shaft, and a limiting slot is defined on the limiting portion;

The shaft hole is provided with a protruding limit block, and the limit block is accommodated in the limit groove.
The fan of claim 1, further comprising an impeller, and the motor is accommodated in the impeller.
The fan according to claim 1, wherein the pivot shaft of the grille is provided with a through hole, the grille is provided with a wiring groove, and the power cord of the motor can pass along the wiring groove through the through hole.
The fan according to claim 1, wherein the grille comprises a rear grille and a front grille, and the rear grille is snap-connected to the front grille.
The fan according to claim 1, characterized in that a clearance gap is provided between the lower half ring and the upper half ring.
The fan according to any one of claims 1-9, characterized in that, the fan further comprises a support rod, and one end of the support rod is accommodated in the lower half ring.
An electric fan includes a support rod, characterized in that, one end of the support rod is provided with a plug, the plug is provided with a side wall, and the side wall is provided with a reinforcing rib.
The electric fan according to claim 11, wherein the plug is provided with a plug end, a root opposite to the plug end, and a plug root surface that protrudes and extends outward around the root, The reinforcing rib is connected with the root face of the plug.
The electric fan of claim 12, wherein the connection between the reinforcing rib and the root surface of the plug has a chamfer.
The electric fan of claim 12, wherein the reinforcing rib extends along the axial direction of the support rod.
The electric fan according to claim 14, characterized in that, there are at least two reinforcing ribs, and they are straight bars arranged in parallel with each other.
The electric fan according to claim 15, further comprising reinforcing ribs located between the reinforcing ribs, two adjacent reinforcing ribs are connected by at least one of the reinforcing ribs, and the reinforcing ribs are perpendicular to the reinforcing ribs. the side wall of the plug.
The electric fan according to claim 16, wherein the reinforcing rib is located at the end of the reinforcing rib away from the root surface of the plug, and the reinforcing rib and the reinforcing rib form a U-shaped structure.
The electric fan according to claim 11, further comprising a socket matched with the plug, and the socket is provided with a groove for holding the reinforcing rib.
The electric fan of claim 18, wherein the socket comprises a first annular wall and a second annular wall, and a plurality of reinforcing walls located between the first annular wall and the second annular wall.
The electric fan of claim 18, wherein one end of the support rod is the plug, and the other end is the socket.
A shaking mechanism of a floor fan, characterized in that the shaking mechanism comprises:

a column, the upper end of the column can be fixedly connected with the grill assembly of the floor fan, the lower end can be pivotally connected to the support rod of the floor fan, and the column is a hollow structure;

a drive motor, which is installed in the upright column and is fixedly connected with the upright column;

a rotating gear, the rotating gear is fixedly connected with the drive shaft of the drive motor;

a fixed gear, the fixed gear meshes with the rotating gear, and the fixed gear is fixedly connected with the support rod of the floor fan.
The swinging mechanism of the floor fan according to claim 21, wherein the fixed gear is provided with a limit portion, the limit portion protrudes upward from the top surface of the fixed gear, and the limit of the limit portion is Both ends are respectively provided with a first limiting body and a second limiting body;

A fixing plate is arranged in the column, the driving motor is fixedly arranged above the fixing plate, the rotating gear and the fixing gear are arranged below the fixing plate; the lower surface of the fixing plate is provided with a limiter. A positioning block, the limiting block rotates between the first limiting body and the second limiting body.
The rocking mechanism of the floor fan according to claim 21, wherein the fixed gear is provided with a connecting part, and the connecting part is used to be fixedly connected with the support rod of the floor fan; The bottom surface of the fixed gear extends downward;

The rocking mechanism further includes a bearing, which is sleeved on the connecting portion and located in the upright column.
The rocking mechanism of a floor fan according to claim 23, wherein the rocking mechanism further comprises a bearing bracket, and the bearing bracket is fixedly connected to the upright column;

The outer peripheral surface of the connecting portion is provided with a limit protrusion, the bearing is arranged between the limit protrusion and the bearing bracket, and the limit protrusion abuts against the upper end surface of the bearing. inner edge.
The swing mechanism of a floor fan according to claim 24, wherein an installation groove is provided in the column, the installation groove extends along the inner side wall of the column, and the bearing bracket is fixed to the installation groove connect.
The swing mechanism of a floor fan according to claim 25, wherein the notch of the installation groove is in contact with the outer peripheral surface of the bearing.
The swing mechanism of a floor fan according to claim 24, wherein an abutting portion is provided in the upright column, and the abutting portion extends downward along the inner side wall of the upright column, and is in contact with the bearing of the bearing. The outer edge of the upper end face abuts.
The swing mechanism of a floor fan according to claim 27, wherein a reinforcing rib is further provided between the abutting portion and the inner side wall of the column.
The swing mechanism of a floor fan according to claim 23, wherein the swing mechanism further comprises a connecting piece, and the fixed gear is fixedly connected to the support rod through the connecting piece; The first end and the second end are fixedly connected with the connecting part through fasteners, and the second end is connected with the support of the floor fan through threads.
The swing mechanism of the floor fan according to claim 29, wherein the outer surface of the first end is provided with a plurality of annular protrusions.
The swing mechanism of a floor fan according to claim 29, wherein the second end is provided with a DC female head and a fixing frame, the fixing frame is fixedly connected with the second end, and the DC The female head is fixedly installed on the fixing frame; the end of the support rod of the floor fan is provided with a DC male head, and the DC female head and the DC male head are matched with each other.
A floor fan, characterized in that the floor fan comprises the swing mechanism of the floor fan according to any one of claims 31-41.
A floor fan, the floor fan includes a support part, characterized in that, the support part is formed by splicing a plurality of support parts in sequence, and two adjacent support parts are connected by a plug-in structure, and the plug-in structure comprises:

a threaded connection part, the threaded connection part includes an inner thread and an outer thread, the inner thread and the outer thread are respectively arranged at the connection ends of the two adjacent support members; and,

DC plug, the DC plug is arranged inside the support, the DC plug includes a DC male head and a DC female head, the DC male head and the DC female head are respectively arranged on two adjacent supports When the inner thread and the outer thread are matched with each other, the DC male head is located in the DC female head and forms an electrical connection.
The floor fan according to claim 33, wherein the plug-in structure further comprises a limit step, and the limit step extends inward from the end of the external thread along the axis direction of the support member .
The floor fan of claim 33, wherein the DC male head comprises pins, the DC female head comprises sockets, and the pins are accommodated in the sockets and are rotatable in the sockets .
The floor fan according to any one of claims 33-35, wherein the support member comprises a rocking column, a detachable column and a base assembly, the rocking column, the detachable column and the base The assemblies are connected in sequence.
The floor fan according to claim 36, wherein the swinging upright column and the detachable upright column each include a first connection end and a second connection end arranged oppositely; the first connection end is provided with the inner a thread and the DC male head, the second connection end is provided with the external thread and the DC female head;

The first connecting end is provided with a mounting seat, and the DC male head is fixedly installed on the mounting seat; the second connecting end is provided with a fixing frame, and the fixing frame is fixed with the second connecting end connected, the DC female head is fixedly installed on the fixing frame.
The floor fan according to claim 37, wherein the fixing frame is provided with a first threaded hole and a second threaded hole, the first threaded hole is used for fixed connection with the DC female head; the second threaded hole The threaded holes are distributed along the circumferential direction of the fixing frame, and are used for connecting with the pipe wall at the second connection end of the rocking column or the pipe wall at the second connection end of the detachable column.
The floor fan according to claim 37, characterized in that, in the swinging upright or the detachable upright, the side of the DC male head facing the DC female head is provided with a male head terminal, the The side of the DC female head facing the DC male head is provided with a female head connection terminal, and the male head connection terminal and the female head connection terminal are connected by wires.
The floor fan of claim 36, wherein the base assembly comprises a bottom cover, a first DC socket and a second DC socket, the first DC socket is provided in the center of the bottom cover, the The second DC socket is arranged on the edge of the bottom cover, and the first DC socket and the second DC socket are connected by wires.
The floor fan of claim 40, wherein the base assembly further comprises a counterweight block and a base body, the base body is fixedly connected to the top of the bottom cover, and the counterweight block is arranged on the bottom cover. between the base body and the bottom cover.
The floor fan of claim 41, wherein the base assembly further comprises a DC fixing cover, the DC fixing cover is fixedly connected to the center of the base, and the first DC socket is fixedly connected to the on the DC fixing cover, and the top surface of the DC fixing cover is not higher than the lower end of the inner thread of the base body.
A floor fan, characterized in that the floor fan comprises a grill assembly, a support rod and a base, one end of the support rod is connected to the grill assembly, and the other end is connected to the base, wherein the base include:

case;

a rotating member, which is rotatably disposed in the housing and drives the support rod to rotate to drive the grill assembly to swing;

a sensing piece, the sensing piece is arranged on the rotating piece and rotates with the rotating piece;

a first sensor and a second sensor, both of which are fixedly arranged in the casing;

Wherein, when the rotating member rotates to a first angle, the sensing member is positioned opposite to the first sensor and triggers the first sensor, and when the rotating member rotates to a second angle, the sensing member Opposite of the second sensor position and triggering the second sensor.
The floor fan according to claim 43, wherein the base further comprises a mounting seat connected to the housing, the mounting seat has an accommodating hole, and the rotating member is rotatably disposed in the accommodating hole Inside.
The floor fan according to claim 44, wherein the mounting base further defines two mounting holes, and the two mounting holes are located radially outside the receiving holes, and the first sensor is connected to the The second sensors are respectively arranged in the two mounting holes.
The floor fan of claim 45, wherein the opening of the mounting hole and the opening of the accommodating hole face different sides of the mounting seat.
The floor fan according to claim 45, wherein a communication hole communicated with the installation hole is formed on the peripheral side of the mounting seat.
The floor fan according to claim 43, wherein the first sensor and the second sensor are both located on the radial outer side of the rotating member, and the sensing member is located on the radial edge of the rotating member .
The floor fan of claim 43, wherein the angle difference between the first angle and the second angle is 90°-240°.
The floor fan of claim 43, wherein the rotating member has annular reinforcing ribs and radial reinforcing ribs, a plurality of the radial reinforcing ribs are spaced apart and extend outward from the annular reinforcing ribs, so The induction piece is arranged in the space between the radial reinforcement ribs.
The floor fan of claim 43, wherein the first sensor and the second sensor are both Hall sensors, and the sensing element is a magnetic element.
The floor fan according to any one of claims 43 to 51, wherein a limit bearing is provided on both axial sides of the rotating member, and both axial sides of the rotating member pass through the rotating member respectively. The limit bearing is connected to the housing.
A fan, the fan comprises a fan surface and a support rod connected with the fan surface, characterized in that the support rod comprises a connecting piece and a body part integrally formed with the connecting piece; the connecting piece and the fan surface Parts of the circumferential surface of the fan are matched and fixedly connected with the sector.
The fan of claim 53, wherein the connecting piece comprises a first connecting body and a second connecting body, and one of the first connecting body and the second connecting body is provided with a first wiring groove, The first wiring groove extends from an end of one end of the first connecting body or an end of one end of the second connecting body into the body portion.
The fan according to claim 54, wherein the fan surface comprises a grille component and a neck component, and both ends of the neck component are respectively connected to the grille component and are arranged on the grille component The lower half of the connecting piece is fixedly connected with the neck assembly.
The fan according to claim 55, wherein the neck assembly comprises a neck upper cover, two ends of the neck upper cover are pivotally connected to the grill assembly respectively, and the connecting pieces are in abutment on the lower surface of the neck cover.
The fan of claim 56 , wherein the fan is provided with a motor accommodated in the grill assembly and a second wiring slot disposed on the grill assembly.
The fan according to claim 57, wherein a through hole is formed at the connection between the upper neck cover and the grille assembly, and the power cable of the motor can pass through the second cable groove The through hole enters the body part through the first wiring slot.
The fan according to claim 56, wherein the fan is provided with a fixing component fixedly connected with the neck upper cover, and the fixing component comprises a clip and/or a locking component;

The clipping piece comprises a clipping slot arranged on the edge of the connecting piece and a clipping button arranged on the lower surface of the neck upper cover, and the clipping clip and the clipping slot cooperate with each other;

The locking piece is connected with the neck upper cover through the connecting piece.
The fan of claim 59, wherein the locking member passes through a middle portion of the connecting piece, and the locking grooves are provided at both ends of the connecting piece in the length direction.
The fan of claim 56, wherein the neck assembly further comprises a lower neck cover, the lower neck cover passing through the body portion and being snapped with the upper neck cover.
The fan of claim 53, wherein the fan further comprises a rotating assembly disposed within the body portion.