CN210317848U

CN210317848U - Swing head structure

Info

Publication number: CN210317848U
Application number: CN201920892347.XU
Authority: CN
Inventors: 龙腾
Original assignee: Shenzhen Pudao Electrical Appliance Co ltd
Current assignee: Shenzhen Pudao Electrical Appliance Co ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-04-14
Anticipated expiration: 2029-06-13

Abstract

The utility model relates to a swing head structure, which comprises a bracket, a mounting seat, a driving mechanism and a transmission mechanism; the mounting seat is rotatably arranged on the bracket so as to be used for mounting a machine head which needs to swing in the household appliance; the driving mechanism is arranged on the mounting seat and connected with the transmission mechanism to drive the transmission mechanism to transmit; the transmission mechanism comprises a driving gear and a driven gear; the driving gear is arranged on the mounting seat and is connected with the driving mechanism; the driven gear is arranged on the bracket; or the driving gear is arranged on the bracket and is connected with the driving mechanism; the driven gear is arranged on the mounting seat; the driven gear is sleeved on the periphery of the driving gear and meshed with the driving gear, the axis of the driven gear is offset from the axis of the driving gear, and the driving gear rotates to move relative to the driven gear so as to drive the mounting seat to swing. The swinging head structure has simple structure and stable swinging, and can ensure that the household appliance can swing at a large angle.

Description

Swing head structure

Technical Field

The utility model relates to a domestic appliance, more specifically say, relate to a yaw structure.

Background

In a traditional household appliance with a swing head structure, the swing head structure generally adopts a scheme of driving a four-bar mechanism or a crank-bar mechanism by a motor, and in order to ensure smooth operation, the swing head angle can only be made to be 60-150 degrees. The swing angle exceeds the range, and the reversing positions at the two ends are unstable due to manufacturing errors and can be blocked, so that the swing cannot be realized.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, a modified yaw structure is provided.

The utility model provides a technical scheme that its technical problem adopted is: constructing a swing head structure, which comprises a bracket, a mounting seat, a driving mechanism and a transmission mechanism;

the mounting seat is rotatably arranged on the bracket so as to be used for mounting a machine head required to swing in the household appliance; the driving mechanism is connected with the transmission mechanism to drive the transmission mechanism to transmit;

the transmission mechanism comprises a driving gear and a driven gear; the driving gear is arranged on the mounting seat and is connected with the driving mechanism; the driven gear is arranged on the bracket; or the driving gear is arranged on the bracket and is connected with the driving mechanism; the driven gear is arranged on the mounting seat;

the driven gear is sleeved on the periphery of the driving gear and meshed with the driving gear, the axis of the driven gear is offset from the axis of the driving gear, and the driving gear rotates to move relative to the driven gear so as to drive the mounting seat to swing.

Preferably, the driving gear has an outer diameter smaller than an inner diameter of the driven gear.

Preferably, the driven gear includes an annular body, and a tooth groove provided on an inner side wall of the annular body to be engaged with the driving gear.

Preferably, the bracket comprises a first seat body for mounting the transmission mechanism and a second seat body arranged on the first seat body for mounting the machine head;

the inner side of the first seat body forms an accommodating cavity for accommodating the transmission mechanism.

Preferably, the accommodating cavity is a hollow structure, and an opening is formed at one side of the accommodating cavity, which is opposite to the driving mechanism;

the head swinging structure further comprises a limiting assembly arranged at the opening to limit the rotating position of the driving gear.

Preferably, the limiting assembly comprises a first limiting block and a second limiting block; the first limiting block and the second limiting block are separately arranged on the inner side wall of the opening, and the first limiting block and the second limiting block are oppositely arranged.

Preferably, a first limiting groove is formed on the first limiting block; the first limit groove is arranged in the direction of relative movement of the driving gear and the driven gear to form a first limit position;

the second limiting block is provided with a second limiting groove; the second limit groove is arranged in the direction of relative movement of the driving gear and the driven gear and is opposite to the first limit groove to form a second limit position.

Preferably, the first seat and the second seat are detachably connected.

Preferably, the support comprises a cylinder and a support plate arranged at an opening of the cylinder and used for installing the driving mechanism.

Preferably, the driving mechanism comprises a motor, and an output shaft of the motor penetrates through the bracket to be connected with the driving gear.

Implement the utility model discloses a yaw structure has following beneficial effect: the driving gear of the transmission mechanism can be driven by the driving mechanism to rotate, so that the driving gear and the driven gear which is sleeved on the periphery of the driving gear, meshed with the driving gear and has an axis offset with the driving gear generate relative motion to drive the mounting seat which is used for mounting the driven gear and can be used for mounting a machine head needing to swing in a household appliance to rotate, the machine head can swing by more than 150 degrees, and the situation of jamming can be avoided. The swinging head structure has simple structure and stable swinging, and can ensure that the household appliance can swing at a large angle.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic structural view of the head swing structure of the present invention;

FIG. 2 is a schematic view of a partial structure of the head swing structure of the present invention;

fig. 3 is a schematic view of the connection between the driving mechanism and the transmission mechanism of the swing head structure of the present invention.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Fig. 1 to 3 show a preferred embodiment of the present invention. This yaw structure, it can be used for domestic appliance, and this domestic appliance can be the electric heater, the electric fan, air purifier, vertical domestic air conditioner, humidification machine etc. and it can be connected with the aircraft nose that needs the yaw among this domestic appliance to drive this aircraft nose and realize swinging in the angle range that is greater than 150 degrees, further, its swing angle can exceed 180 degrees, reaches 300 degrees even. The swinging head structure has simple structure and stable swinging, and can ensure that the household appliance can swing at a large angle.

As shown in fig. 1 to 3, the swing head structure includes a bracket 11, a mounting seat 12, a driving mechanism 14, and a transmission mechanism 13; the bracket 11 can be used for installing the installation seat 12; the mounting base 12, which is rotatably disposed on the bracket 11, can be mounted on a head of a household appliance requiring head swinging, such as a head of a fan. The transmission mechanism 13, which is disposed on the mounting base 12 and the bracket 11, is driven by the driving mechanism 14 to drive the mounting base 12 to rotate. The driving mechanism 14, which is disposed on the mounting base 12 or on the bracket 11, is connected to the transmission mechanism 13, and can drive the transmission mechanism 13 to transmit.

The bracket 11 includes a first seat 111 and a second seat 112; the first seat 111 is disposed near the supporting plate 122, and is used for mounting the transmission mechanism 13, and the second seat 112 is disposed at a lower portion of the first seat 111 and is used for supporting the first seat 111.

The inner side of the first seat 111 can form an accommodating cavity 1112 for accommodating the transmission mechanism 13; the accommodating cavity 1112 may be a hollow structure. An opening 1111 is formed at a side of the first seat 111 close to the supporting plate 122, and the opening 1111 is disposed at a side of the accommodating cavity 1112 opposite to the driving mechanism 14, so that the driving mechanism 14 can be conveniently inserted into and connected to the transmission mechanism 13.

The second base 112, which can be detachably connected to the first base 111, facilitates the transmission mechanism 13 to be installed in the accommodating cavity 1112, but it is understood that in other embodiments, it can also be integrally formed with the first base 111. In this embodiment, the second seat 112 can be connected to the second seat 121 by a fastening mechanism. The second base 121, which may be in a horn shape, may be disposed on a plurality of planes to support the first base 111 and the mounting base 12. Of course, it will be appreciated that in other embodiments, it may not be limited to a horn shape.

Further, the mounting seat 12, which may be a housing mounted on a household appliance, includes a cylinder 121, and a supporting plate 122; the cylinder 121, which may be a housing installed in a household appliance, has an opening opened at one end, and the opening is used for the support plate 122 to be installed. The supporting plate 122, which can be disposed at the opening of the cylinder 121, can be used for the driving mechanism 14 to be installed, and the driving mechanism 14 can be disposed on the supporting plate 122 in a penetrating manner. The supporting plate 122 is provided with a fixing shaft for connecting the mounting seat 12, and the fixing shaft can be penetrated from the bracket 11 to facilitate the rotation of the mounting seat 12.

In the present embodiment, the transmission mechanism 13 includes a driving gear 131 and a driven gear 132; the driving gear 131, which is installed on the mounting base 12 and can be disposed at the opening 1111 of the first base 111, is connected to the driving mechanism 14 and can be driven by the driving mechanism 14 to rotate. The driven gear 132 is disposed on the bracket 11, specifically, disposed in the first seat 111, and is sleeved on the periphery of the driving gear 131, and is engaged with the driving gear 131, and the axis of the driven gear is offset from the axis of the driving gear 131, when the driving gear 131 rotates, the driving gear 131 and the driven gear 132 can move relatively, so as to drive the mounting seat 12 to swing, so that the swing angle of the mounting seat 12 is greater than 150 degrees, and the mounting seat 12 is prevented from being jammed.

It is understood that, in some other embodiments, the driving gear 131 may be mounted on the bracket 11 and penetrate into the mounting seat 12, and the driven gear 132 may be disposed on the mounting seat 12, and located on an inner side wall of the opening of the cylinder 121, which is rotated around the driving gear 131 by the driving gear 131, so as to drive the mounting seat 12 to swing.

Specifically, the driving gear 131, which may be disposed inside the driven gear 132 and has an outer diameter smaller than that of the driven gear 132, is disposed on one side of the fixed shaft, and may be sleeved on the driving mechanism 14 and driven by the driving mechanism 14 to rotate.

The slave gear 132 may include an annular body 1321 and a tooth slot 1322, and the annular body 1321 may be disposed at the opening 1111 of the first seat 111 and may be sleeved on the periphery of the driving gear 131. The slots 1322 are formed on the inner sidewall of the annular body 1321 and engaged with the driving gear 131.

The driving mechanism 14, which may be a motor, has an output shaft that may be disposed through the supporting plate 122 to penetrate into the bracket 11, and is connected to the driving gear 131. The driving gear 131 may be sleeved on an output shaft of the motor, and may be driven by the motor to rotate.

In this embodiment, the head swing structure further includes a limiting component 15 disposed at the opening 1111; the limiting assembly 15 can limit the rotation position of the driving gear 131, and thus the swing angle of the mounting base 12.

Specifically, in the present embodiment, the limiting assembly 15 includes a first limiting block 151 and a second limiting block 152; the first stopper 151 and the second stopper 152 are located inside the annular body 1321, and are separately disposed on the inner sidewall of the opening 1111, and the first stopper 151 and the second stopper 152 are disposed opposite to each other, and can cooperate with each other to limit the rotation angle of the driven gear 132, so as to limit the swing angle of the mounting seat 12, in this embodiment, the radian between the first stopper 151 and the second stopper 152 can form the swing amplitude of the mounting seat 12. In this embodiment, the first limiting block 151 is provided with a first limiting groove 1511, and the first limiting groove 1511, which may be an arc shape, is disposed in a direction of relative movement between the driving gear 131 and the driven gear 132 so as to form a first limiting position. The second limiting block 152 is provided with a second limiting groove 1521, and the second limiting groove 1521 is disposed in the direction of the relative movement between the driving gear 131 and the driven gear 132, and is disposed opposite to the first limiting groove 1511 to form a second limiting position. When the driving gear 131 rotates to the first limiting block 151 and the driving gear 131 can be engaged into the first limiting groove 1511, that is, the mounting base 12 reaches the first limiting position, the driving mechanism 14 will rotate in a reverse direction, so that the driving gear 131 rotates toward the second limiting block 152, and when the driving gear 131 rotates to the second limiting block 152 and the driving gear 131 can be engaged into the second limiting groove 1511, that is, the mounting base 12 reaches the second limiting position, the driving mechanism 14 will rotate in a forward direction, so as to drive the mounting base 12 to swing in a reciprocating manner within a certain angle range.

It is to be understood that the foregoing examples merely represent preferred embodiments of the present invention, and that the description thereof is more specific and detailed, but not intended to limit the scope of the invention; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several modifications and improvements can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.

Claims

1. A swing head structure is characterized by comprising a bracket (11), a mounting seat (12), a driving mechanism (14) and a transmission mechanism (13);

the mounting seat (12) is rotatably arranged on the bracket (11) so as to be used for mounting a head of a household appliance which needs to swing;

the driving mechanism (14) is connected with the transmission mechanism (13) to drive the transmission mechanism (13) to transmit;

the transmission mechanism (13) comprises a driving gear (131) and a driven gear (132); the driving gear (131) is installed on the installation seat (12) and is connected with the driving mechanism (14); the driven gear (132) is arranged on the bracket (11); or the driving gear (131) is installed on the bracket (11) and is connected with the driving mechanism (14); the driven gear (132) is arranged on the mounting seat (12);

the driven gear (132) is sleeved on the periphery of the driving gear (131) and meshed with the driving gear (131), the axis of the driven gear is offset from the axis of the driving gear (131), and the driving gear (131) rotates to move relative to the driven gear (132) so as to drive the mounting seat (12) to swing.

2. The wobble structure of claim 1, wherein the driving gear (131) has an outer diameter smaller than an inner diameter of the driven gear (132).

3. The wobble structure of claim 1, wherein the driven gear (132) comprises an annular body (1321), and a spline (1322) provided on an inner sidewall of the annular body (1321) to be engaged with the driving gear (131).

4. The pendulum head structure of claim 1, wherein the bracket (11) comprises a first seat (111) for mounting the transmission mechanism (13), and a second seat (112) disposed on the first seat (111);

an accommodating cavity (1112) for accommodating the transmission mechanism (13) is formed on the inner side of the first seat body (111).

5. The pendulum head structure of claim 4, wherein the receiving cavity (1112) is a hollow structure, and an opening (1111) is formed at the side opposite to the driving mechanism (14);

the swing head structure further comprises a limiting assembly (15) arranged at the opening (1111) to limit the rotating position of the driving gear (131).

6. The pendulum head structure of claim 5, wherein the limit assembly (15) comprises a first limit block (151) and a second limit block (152); the first limiting block (151) and the second limiting block (152) are separately arranged on the inner side wall of the opening (1111), and the first limiting block (151) and the second limiting block (152) are oppositely arranged.

7. The pendulum head structure of claim 6, wherein the first stopper (151) is provided with a first stopper groove (1511); the first limit groove (1511) is arranged in the direction of relative movement of the driving gear (131) and the driven gear (132) to form a first limit position;

the second limiting block (152) is provided with a second limiting groove (1521); the second limit groove (1521) is arranged in the direction of relative movement of the driving gear (131) and the driven gear (132) and opposite to the first limit groove (1511) to form a second limit position.

8. The pendulum head structure of claim 4, wherein the first fastening structure (111) and the second fastening structure (112) are detachably connected.

9. The pendulum head structure of claim 1, wherein the mount (12) comprises a cylinder (121) and a support plate (122) disposed at an opening of the cylinder (121) for mounting the drive mechanism (14).

10. The pendulum head structure of claim 1, wherein the drive mechanism (14) comprises an electric motor, an output shaft of which is arranged through the bracket (11) to be connected with the driving gear (131).