CN215719709U

CN215719709U - Table top electric fan with oscillating head

Info

Publication number: CN215719709U
Application number: CN202120957678.4U
Authority: CN
Inventors: 李迪初
Original assignee: Changfang Group Kang Mingsheng Shenzhen Technology Co ltd
Current assignee: Changfang Group Kang Mingsheng Shenzhen Technology Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2022-02-01
Anticipated expiration: 2031-05-06

Abstract

The utility model provides a shaking table electric fan, comprising: the base, the subassembly of shaking the head, bracing piece and fan unit spare, the base includes base and lower base, and the subassembly of shaking the head includes bottom plate and first driving source, and the bottom plate rotates the assembly base under, and first driving source is fixed and is linked to each other with base down at the output of bottom plate and first driving source, goes up the face that the base was kept away from down at the bottom plate to the base, and the bracing piece is fixed at last base, and fan unit spare rotates the assembly at the bracing piece. The rotation angle through first driving source control bottom plate for the electric fan can shake the head, enlarges the air supply scope of electric fan, adjusts the angle of the relative base of fan unit through rotating fan unit again, can accomodate the electric fan, convenience of customers' use.

Description

Table top electric fan with oscillating head

Technical Field

The utility model belongs to the technical field of electric fans, and particularly relates to an oscillating desktop electric fan.

Background

The electric fan is a household appliance which uses a motor to drive fan blades to rotate so as to accelerate the circulation of air, is mainly used for cooling and relieving summer heat and circulating air, and is widely used in places such as families, classrooms, offices and the like. The existing desktop electric fan comprises a base, a connecting rod and a fan assembly connected to the connecting rod, wherein in order to enable the desktop fan to have a head shaking function, a head shaking mechanism is usually arranged in the fan assembly, so that the structure of the fan assembly is complex, and meanwhile, the weight of the fan assembly is high, and the gravity center of the fan is easy to be unstable.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing an oscillating desktop electric fan and aims to solve the problem that a fan assembly of the electric fan is complex in structure.

In order to solve the technical problem, the utility model is realized in such a way that an oscillating desktop electric fan comprises: base, the subassembly of shaking the head, bracing piece and fan assembly, the base includes base and lower base, the subassembly of shaking the head includes bottom plate and first driving source, the bottom plate rotates the assembly and is in base down, first driving source is fixed the bottom plate just the output of first driving source with the base links to each other down, first driving source is used for the drive the bottom plate is in base down rotates, it fixes to go up the base the bottom plate is kept away from the face of base down, the bracing piece is fixed go up the base, fan assembly rotates the assembly and is in the bracing piece, fan assembly is used for providing wind-force.

Furthermore, a rack is fixed on the surface, close to the bottom plate, of the lower base, a transmission piece meshed with the rack is fixed at the output end of the first driving source, and the first driving source is used for driving the transmission piece to rotate.

Furthermore, the rack is arc-shaped, and the central line of the rack coincides with the rotating shafts of the bottom plate and the lower base.

Furthermore, both ends of the rack are respectively provided with a blocking piece, one end of the blocking piece is fixed on the rack, and the other end of the blocking piece extends towards the direction of the transmission piece.

Furthermore, one end of the supporting rod, which is far away from the base, extends to form a first support and a second support, a gap is formed between the first support and the second support, and one end of the fan assembly extends into the gap and is rotatably assembled on the first support and the second support.

Further, the first support internal fixation has the connecting seat, the connecting seat orientation the one end of second support is fixed with the connecting rod, the connecting rod is kept away from the one end of connecting seat stretches out to outside the first support, the connecting rod is kept away from the one end of first support is rotated and is equipped with the rotation piece, the connecting rod runs through rotate the piece, the second support internal fixation has the rotation connecting piece, the one end of rotating the connecting piece stretch out to outside the second support just it is located to rotate the connecting piece on the extending direction of connecting rod, fan unit stretches into the one end of breach rotates the assembly and is in connecting rod and rotation connecting piece.

Further, the connecting rod is close to the one end of connecting seat is equipped with the first piece that compresses tightly, the first piece that compresses tightly is fixed the inner wall of bracing piece, the first piece that compresses tightly is close to the one end of connecting seat is supported the top the one end of connecting seat, the connecting rod is kept away from the one end of connecting seat is equipped with the second and compresses tightly piece and retaining member, the retaining member is fixed the connecting rod, the second compresses tightly the piece and is close to the one end of retaining member is supported the top the one end of retaining member.

Furthermore, elastic parts are respectively arranged between the first pressing part and the rotating part and between the second pressing part and the rotating part, and the connecting rod penetrates through the elastic parts.

Furthermore, the upper base is provided with a cover plate and a lens, the cover plate is assembled on the upper base, and the lens is fixed on the surface of the cover plate facing the lower base.

Further, fan assembly is including fixed frame, flabellum and second drive source, fixed frame rotation assembly is in the bracing piece, the second drive source is fixed frame, the output of second drive source is connected with the flabellum.

Compared with the prior art, the oscillating desktop electric fan has the beneficial effects that: the first driving source controls the bottom plate to rotate relative to the lower base, and the fan assembly rotates along with the bottom plate at the moment, so that the air supply range of the electric fan is changed; when the fan component rotates relative to the supporting rod, the fan component is close to or far away from the base, and the whole height of the electric fan is controlled. The rotating angle of the bottom plate is controlled through the first driving source, so that the electric fan can shake the head, the air supply range of the electric fan is enlarged, the angle of the fan assembly relative to the base is adjusted through rotating the fan assembly, the electric fan can be accommodated, and the use of a user is facilitated.

Drawings

FIG. 1 is a schematic perspective view of an oscillating desktop electric fan according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a base in an oscillating desktop electric fan according to an embodiment of the present invention;

fig. 3 is a schematic view of a part of the structure of a support rod in an oscillating desktop electric fan according to an embodiment of the present invention.

In the drawings, each reference numeral denotes: 1. a base; 11. an upper base; 111. an adjustment button; 112. a cover plate; 113. a lens; 12. a lower base; 121. a rack; 122. a blocking member; 2. a head shaking assembly; 21. a base plate; 211. a battery; 212. a first drive source; 213. a rotating member; 22. a connecting seat; 23. a first pressing member; 24. an elastic member; 25. a second pressing member; 26. a locking member; 27. rotating the connecting piece; 3. a support bar; 4. a fan assembly.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example (b):

in this embodiment, as shown in fig. 1, 2 and 3, an oscillating desktop electric fan includes: base 1, the subassembly 2 of shaking the head, bracing piece 3 and fan unit spare 4, base 1 includes base 11 and lower base 12, the subassembly 2 of shaking the head includes bottom plate 21 and first driving source 212, bottom plate 21 rotates the assembly at lower base 12, first driving source 212 is fixed and is linked to each other with lower base 12 at the output of bottom plate 21 and first driving source 212, first driving source 212 is used for driving bottom plate 21 and rotates at lower base 12, it fixes the face of base 12 under keeping away from at bottom plate 21 to go up base 11, bracing piece 3 is fixed at last base 11, fan unit spare 4 rotates the assembly at bracing piece 3, fan unit spare 4 is used for providing wind-force.

The first driving source 212 controls the bottom plate 21 to rotate relative to the lower base 12, and the fan assembly 4 rotates along with the bottom plate 21 at the moment, so that the air supply range of the electric fan is changed; when the fan assembly 4 rotates relative to the supporting rod 3, the fan assembly 4 is close to or far away from the base 1 at the moment, the whole height of the electric fan is controlled, the fan assembly 4 is attached to the base 1 after the fan assembly 4 rotates for a preset angle, and the electric fan can be accommodated at the moment. The rotation angle of the bottom plate 21 is controlled by the first driving source 212, so that the electric fan can shake the head, the air supply range of the electric fan is enlarged, the angle of the fan assembly 4 relative to the base 1 is adjusted by rotating the fan assembly 4, the electric fan can be accommodated, and the use is convenient for users.

As shown in the figure, a rack 121 is fixed on the surface of the lower base 12 close to the bottom plate 21, a transmission member engaged with the rack 121 is fixed at the output end of the first driving source 212, and the first driving source 212 is used for driving the transmission member to rotate; the rack 121 is arc-shaped, and the central line of the rack 121 coincides with the rotating shafts of the bottom plate 21 and the lower base 12. In this embodiment, the first driving source 212 is a motor, the transmission member is a gear, the housing of the first driving source 212 is fixed on the surface of the bottom plate 21 by a screw, the output end of the first driving source 212 extends between the bottom plate 21 and the lower base 12, and the first driving source 212 drives the transmission member to roll on the rack 121. The lower base 12 is a circular plate, the rack 121 is made of straight teeth arranged on the inner wall of a circular ring at equal intervals, the length of the rack 121 is a circular arc of 120 degrees, the center line of the circular ring coincides with the center line of the lower base 12, the bottom plate 21 is a circular plate, the side wall of the bottom plate 21 extending towards the lower base 12 is attached to the plate surface of the lower base 12, the center lines of the bottom plate 21 and the lower base 12 also coincide, and the bottom plate 21 does not fall off the lower base 12 when the bottom plate 21 rotates. More specifically, the lower base 12 is provided with a plurality of balls arranged at intervals on the surface close to the bottom plate 21, the bottom plate 21 is provided with through holes matched with the balls, and the bottom plate 21 rotates relative to the balls when the lower base 12 rotates. In other embodiments, the rack 121 may be fixed on the bottom plate 21, the first driving source 212 may be fixed on the lower base 12, and the first driving source 212 may drive the bottom plate 21 to rotate; a rotating shaft may be further disposed at the center of the bottom plate 21 and the lower base 12, the rotating shaft is fixed to the lower base 12, the bottom plate 21 is rotatably assembled to the rotating shaft, and the first driving source 212 drives the bottom plate 21 to rotate.

As shown in the figure, two ends of the rack 121 are respectively provided with a blocking member 122, one end of the blocking member 122 is fixed to the rack 121, and the other end of the blocking member 122 extends in a direction toward the transmission member. In this embodiment, the blocking member 122 is a rectangular blocking block, one end of the blocking member 122 far away from the rack 121 extends to completely block the transmission member along a direction toward the transmission member, four reinforcing ribs arranged at equal intervals are fixed on a plate surface of the blocking member 122 far away from the transmission member, the reinforcing ribs are used for preventing the blocking member 122 from being broken after being impacted by the transmission member, and the transmission member is blocked by the blocking member 122 to continue rolling when rolling to the tail end of the rack 121 along the rack 121, so as to prevent the transmission member from being separated from the rack 121. In other embodiments, blocking member 122 may be replaced with a limit switch that disables first drive source 212 when the limit switch senses the transmission.

As shown in the figure, one end of the support rod 3, which is far away from the base 1, extends to form a first support and a second support, a gap is formed between the first support and the second support, one end of the fan assembly 4 extends into the gap, and the fan assembly 4 is rotatably assembled on the first support and the second support. In this embodiment, one end of the supporting rod 3 close to the base 1 is fixed on the upper base 11 through a screw, a gap between the first support and the second support is in a U shape, a connecting part of the fan assembly 4 and the first support and the second support is approximately a cylinder, two ends of the cylinder are respectively connected with the first support and the second support, and the fan assembly 4 is rotatably assembled on the first support and the second support by taking a direction perpendicular to the length direction of the supporting rod 3 as a rotating shaft. More specifically, the fan assembly 4 rotates 90 degrees and then is attached to the base 1, and at this time, the volume of the electric fan is minimum, and a user can store the electric fan. In other embodiments, a motor may be directly fixed in the first bracket or the second bracket, the output end of the motor is connected to the rotating shaft, the fan assembly 4 is connected to the rotating shaft, and the motor drives the rotating shaft to rotate.

As shown in the figure, first support internal fixation has connecting seat 22, connecting seat 22 is fixed with the connecting rod towards the one end of second support, the one end that connecting seat 22 was kept away from to the connecting rod stretches out outside first support, the one end that first support was kept away from to the connecting rod rotates and is equipped with rotation piece 213, the connecting rod runs through rotation piece 213, second support internal fixation has rotation connecting piece 27, the one end that rotates connecting piece 27 stretches out outside the second support and rotates connecting piece 27 and be located the extending direction of connecting rod, fan unit 4 stretches into the one end rotation assembly of breach at connecting rod and rotation connecting piece 27. In this embodiment, connecting seat 22 is the square, connecting seat 22 passes through the fix with screw at the inner wall of first support, it is the nut to rotate piece 213, the upside and the downside of connecting rod perisporium are the plane, it has frictional force to rotate between piece 213 and the connecting rod when rotating piece 213 rotates, it is the cylinder to rotate connecting piece 27, fan assembly 4 and the junction of rotating piece 213 offer with rotate piece 213 fixed connection's pilot hole, fan assembly 4 and the junction of rotating connecting piece 27 offer with rotate connecting piece 27 and rotate the pilot hole of assembly, the connecting rod is not continuous and the central axis of connecting rod and rotation connecting piece 27 is in same straight line with rotating connecting piece 27, keep away from or be close to base 1 when fan assembly 4 rotates. In other embodiments, the two ends of the connecting rod may be fixed to the first bracket and the second bracket, respectively, the rotating member 213 is disposed in the middle region of the connecting rod, the fan assembly 4 is connected to the connecting rod, and the fan assembly 4 can rotate around the connecting rod.

As shown in the figure, a first pressing part 23 is arranged at one end of the connecting rod close to the connecting seat 22, the first pressing part 23 is fixed on the inner wall of the supporting rod 3, one end of the first pressing part 23 close to the connecting seat 22 abuts against one end of the connecting seat 22, a second pressing part 25 and a locking part 26 are arranged at one end of the connecting rod far away from the connecting seat 22, the locking part 26 is fixed on the connecting rod, and one end of the second pressing part 25 close to the locking part 26 abuts against one end of the locking part 26; elastic pieces 24 are respectively arranged between the first pressing piece 23 and the rotating piece 213 and between the second pressing piece 25 and the rotating piece 213, and the connecting rod penetrates through the elastic pieces 24. . In this embodiment, the elastic member 24 is an elastic washer, the first pressing member 23 is a ring with an extending portion, one end of the first pressing member 23 abuts against the connecting seat 22, the other end of the first pressing member 23 abuts against the elastic member 24, the extending portion of the first pressing member 23 is a rectangular plate provided with a through hole, a screw for fixing the first pressing member 23 is arranged in the through hole of the rectangular plate, a distance is arranged between the ring portion of the first pressing member 23 and the extending portion, and the ring portion of the first pressing member 23 can incline by one distance after being pressed; the second pressing part 25 is a pressing ring, the locking part 26 is a nut, and a screw matched with the nut is arranged on the connecting rod. Rotate fan assembly 4 certain angle, first pressure part 23 and second pressure part 25 compress tightly rotating member 213 this moment, rotating member 213 receives the too big stop rotation of frictional force, thereby make fan assembly 4 stop at a certain angle, exert bigger power to fan assembly 4 again and overcome former frictional force, rotating member 213 rotates this moment, fan assembly 4 rotates certain angle back again because of rotating member 213 receives the too big stop rotation of frictional force, more specifically, adjust the locking degree of retaining member 26 and can enlarge or reduce the angle that fan assembly 4 can rotate.

As shown, the upper base 11 is provided with a cover plate 112 and a lens 113, the cover plate 112 is assembled on the upper base 11, and the lens 113 is fixed on the surface of the cover plate 112 facing the lower base 12. In this embodiment, the lens 113 is a cosmetic mirror, a mirror front lamp is disposed between the lens 113 and the cover plate 112 for making up, a force-bearing plate is further disposed between the cover plate 112 and the upper base 11, when the fan assembly 4 rotates to be away from the base 1, a force is applied to the force-bearing plate, the cover plate 112 is separated from the upper base 11, a user fixes the cover plate 112 and the lens 113 on the fan assembly 4, and then the user can make up by using the cosmetic mirror. In other embodiments, the cover plate 112 and the upper base 11 can be connected by a spring, and the cover plate 112 can be pressed to bounce upwards, so that a user can make up with the cosmetic mirror.

As shown in the figure, fan assembly 4 includes fixed frame, flabellum and second driving source, and fixed frame rotation assembly is at bracing piece 3, and the second driving source is fixed at fixed frame, and the output of second driving source is connected with the flabellum. In this embodiment, the fixed frame is a housing of the electric fan, the second driving source is a motor, the second driving source is fixed in the middle area of the fixed frame, and the fan blades rotate when the second driving source works.

As shown in the figure, in the present embodiment, the adjusting button 111 is fixed on the upper base 11, the adjusting button 111 includes a first adjusting button and a second adjusting button, the first adjusting button is clicked for the first time, the electric fan is in the first gear, the first adjusting button is clicked for the fourth time, the electric fan is in the natural wind, the first adjusting button is clicked for the fifth time, and the electric fan is turned off; go up base 11 and still be fixed with little night-light, press the second adjustment button for a long time, little night-light is opened, presses the second adjustment button for a long time again, and little night-light is closed to press the second adjustment button for a short time when the fan operates, then shaking the head and open, press the second adjustment button for a short time again, then shake the head and close. Furthermore, the upper base 11 is provided with a USB serial port, the USB serial port is used for charging the electric fan, the bottom plate 21 is further fixed with a battery 211, the battery 211 is used for storing electric quantity, the upper base 11 is further fixed with an indicator lamp, the indicator lamp comprises a charging indicator lamp, an air quantity indicator lamp and a low-electric-quantity indicator lamp, the charging indicator lamp further comprises a red indicator lamp and a green indicator lamp, the red indicator lamp is on when charging, the green indicator lamp is on after full charging, the indicator lamp corresponding to the gear of the air quantity indicator lamp is normally on in the air supply mode, when the fan operates, when the electric quantity is 30% left, the red lamp of the charging lamp is on, at this time, if 3 or 4 gears are used, the operation is automatically reduced to 1 gear, and the wind speed gear adjustment can only be switched between 1 and 2 gears; when the electric quantity is 10%, the red light flickers to prompt charging, the fan stops rotating after the battery is over-discharged, and all the indicating lamps are turned off.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A table electric fan of shaking head which characterized in that includes: base, the subassembly of shaking the head, bracing piece and fan assembly, the base includes base and lower base, the subassembly of shaking the head includes bottom plate and first driving source, the bottom plate rotates the assembly and is in base down, first driving source is fixed the bottom plate just the output of first driving source with the base links to each other down, first driving source is used for the drive the bottom plate is in base down rotates, it fixes to go up the base the bottom plate is kept away from the face of base down, the bracing piece is fixed go up the base, fan assembly rotates the assembly and is in the bracing piece, fan assembly is used for providing wind-force.

2. The oscillating desktop electric fan according to claim 1, wherein a rack is fixed on the lower base plate near the bottom plate, a transmission member engaged with the rack is fixed on the output end of the first driving source, and the first driving source is used for driving the transmission member to rotate.

3. An oscillating desktop electric fan according to claim 2 wherein the rack is arcuate with the center line of the rack coinciding with the axis of rotation of the base plate and the lower base.

4. An oscillating desktop electric fan according to claim 2 wherein the rack is provided with blocking members at each end, one end of the blocking member being fixed to the rack and the other end of the blocking member extending in the direction of the transmission member.

5. The oscillating desktop electric fan of claim 1, wherein an end of the support rod remote from the base extends to form a first bracket and a second bracket, a gap is formed between the first bracket and the second bracket, an end of the fan assembly extends into the gap, and the fan assembly is rotatably assembled on the first bracket and the second bracket.

6. An oscillating desktop electric fan according to claim 5, wherein a connecting seat is fixed in the first support, a connecting rod is fixed at one end of the connecting seat facing the second support, one end of the connecting rod far away from the connecting seat extends out of the first support, a rotating member is rotatably assembled at one end of the connecting rod far away from the first support, the connecting rod penetrates through the rotating member, a rotating connecting member is fixed in the second support, one end of the rotating connecting member extends out of the second support and the rotating connecting member is located in the extending direction of the connecting rod, and one end of the fan assembly extending into the notch is rotatably assembled on the connecting rod and the rotating connecting member.

7. The oscillating desktop electric fan according to claim 6, wherein a first pressing member is disposed at an end of the connecting rod close to the connecting seat, the first pressing member is fixed on an inner wall of the supporting rod, an end of the first pressing member close to the connecting seat abuts against an end of the connecting seat, a second pressing member and a locking member are disposed at an end of the connecting rod away from the connecting seat, the locking member is fixed on the connecting rod, and an end of the second pressing member close to the locking member abuts against an end of the locking member.

8. An oscillating desktop electric fan according to claim 7 wherein elastic members are provided between the first pressing member and the rotating member and between the second pressing member and the rotating member, respectively, and the connecting rod passes through the elastic members.

9. The oscillating desktop electric fan of claim 1, wherein the upper base is provided with a cover plate and a lens, the cover plate is assembled on the upper base, and the lens is fixed on the surface of the cover plate facing the lower base.

10. The oscillating desktop electric fan of claim 1 wherein the fan assembly comprises a fixed frame rotatably mounted to the support rod, fan blades, and a second drive source secured to the fixed frame, the fan blades being connected to an output of the second drive source.