CN219492660U - Steering device - Google Patents

Abstract

The utility model relates to a steering device, which comprises a motor, a rotating shaft and a bracket, wherein the rotating shaft is arranged in the bracket and can rotate in the bracket, and the motor is arranged at the top or the bottom of the bracket; the motor is provided with an output shaft, a crank is arranged on the output shaft, a connecting rod is arranged on the crank, one end of the connecting rod is connected with the crank in a rotating mode, and the other end of the connecting rod is connected with the rotating shaft in a rotating mode. According to the utility model, the motor and the rotating shaft are integrated on the bracket by arranging the bracket, and the motor drives the rotating shaft to rotate through the crank and the connecting rod, so that the utility model has the advantages of simple mechanism, compact structure and small occupied space.

Description

Steering device

Technical Field

The present utility model relates to a steering device.

Background

In order to make the air blowing uniform, a steering device is generally installed in the machine body, so that the component with the air outlet hole can rotate left and right or swing. And because domestic appliances such as a warmer, a fan and the like have small loads, the steering device of the general domestic appliance is directly connected with a part with an air outlet by using a POM part as a rotating shaft in a rotating way, the rotating shaft is directly rubbed with the part, and the problems of high noise and easiness in influence on the perpendicularity of the rotating shaft are caused.

The patent document with publication number of CN209910099U discloses a warm air fan, wherein a rotating disc and a fixed disc are arranged at the upper end of a base, the fixed disc is fixed with a front cover and a rear cover together, a synchronous motor and a capacitor are arranged at the upper end of the fixed disc, the rotating disc is positioned at the lower end of the fixed disc, one end of the rotating disc is fixedly connected with the fixed disc, and the other end of the rotating disc is rotationally connected with the base through a bearing. The rotating disc bottom of the patent is rotationally connected with the base through the bearing, friction between the rotating disc and the base is reduced to a certain extent, noise is reduced, the other end (upper) of the rotating disc is directly fixedly connected with the fixed disc, certain friction and noise exist between the rotating disc and the upper part component in the rotating process of the rotating disc, the rotating shaft on the rotating disc is easy to deform, and verticality is easy to influence.

Therefore, there is a need for a steering device that reduces friction and noise and improves the verticality of a rotating shaft.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to: provided is a steering device which reduces friction and noise and improves verticality.

The utility model adopts the technical scheme that:

the utility model provides a steering device, includes support, rotation axis and motor, drive assembly is installed to the output of motor, the motor passes through drive assembly drives the rotation axis reciprocating rotation, the rotation axis is installed inside the support, the bearing is all installed at both ends about the rotation axis, and the outer lane of bearing is installed on the support. According to the utility model, the bearings are arranged at the upper end and the lower end of the rotating shaft, so that friction and noise at the two ends of the rotating shaft are reduced, and meanwhile, the arrangement of the bearings at the two ends can improve the stability of the rotating shaft and ensure the verticality of the rotating shaft.

As a further improvement of the technical scheme, the transmission assembly comprises a crank, wherein a connecting rod is arranged on the crank, one end of the connecting rod is rotatably connected with the crank, and the other end of the connecting rod is rotatably connected with the rotating shaft. According to the utility model, the motor and the rotating shaft are integrated on the bracket by arranging the bracket, and the motor drives the rotating shaft to rotate through the crank and the connecting rod, so that the integral structure has the advantages of simple mechanism, compact structure and small occupied space.

As a further improvement of the technical scheme, a motor groove is formed in the top of the support, and the motor is installed in the motor groove. According to the utility model, the motor and the rotating shaft are integrated on the bracket by arranging the bracket, and the motor drives the rotating shaft to rotate through the crank and the connecting rod, so that the integral structure has the advantages of simple mechanism, compact structure and small occupied space.

As a further improvement of the technical scheme, the motor is arranged at the top of the bracket, and the motor is provided with the protective cover which can cover the motor. Through setting up the protection casing, the motor is lived to the protection shroud, reduces the influence of external environment to the motor.

As a further improvement of the technical scheme, the side wall of the protective cover is provided with a wire groove, the opening direction of the wire groove faces downwards, and the wire groove is used for guiding wires on the motor. The wire casing is used for the electric wire on the guiding motor, and the opening of wire casing is down, and the electric wire wears out the wire casing from the below, can prevent that the moisture from getting into the protection casing along the electric wire and influencing the motor.

As a further improvement of the technical scheme, through holes are formed in the middle of the rotating shaft, through holes corresponding to the through holes are formed in the top and the bottom of the support, and wires on the motor can pass through the rotating shaft after passing out of the wire slots through the through holes and the through holes. Through setting up through hole and through-hole for electric wire on the motor can pass the rotation axis from top to bottom from the support middle part, and it is convenient to walk the line.

As a further improvement of the technical scheme, a connecting piece is further arranged at the top of the rotating shaft, and the inner side of the connecting piece adopts arc transition. The inner side of the connecting piece adopts arc transition, so that the abrasion to the electric wire can be reduced.

As a further improvement of the technical scheme, the bracket is made of plastic materials. The overall cost of the steering device can be reduced by adopting plastic materials.

As a further improvement of the technical scheme, a flexible gasket is arranged between the motor and the bracket. Through installing flexible gasket and inhale shake, noise reduction.

The beneficial effects of the utility model are as follows: according to the utility model, the bearings are arranged at the upper end and the lower end of the rotating shaft, so that friction and noise at the two ends of the rotating shaft are reduced, and meanwhile, the arrangement of the bearings at the two ends can improve the stability of the rotating shaft and ensure the verticality of the rotating shaft.

Drawings

The utility model is further illustrated by the following description and examples of the embodiments in conjunction with the accompanying drawings.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a second schematic diagram of the overall structure of the present utility model;

FIG. 3 is an exploded view of the overall structure of the present utility model;

FIG. 4 is a schematic view of the structure of the bracket of the present utility model;

FIG. 5 is a schematic view of a connector according to the present utility model;

in the figure: 1-motor, 2-rotation axis, 3-support, 4-crank, 5-connecting rod, 6-flexible gasket, 10-motor groove, 11-output shaft, 12-protection casing, 120-wire casing, 20-through hole, 21-connecting piece, 22-bearing, 31-support body, 32-tray, 310-first through hole, 100-shaft hole, 320-second through hole, 23-first pivot, 41-second pivot.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 5, a steering device comprises a bracket 3, a rotating shaft 2 is mounted in the bracket 3, the bracket 3 comprises a bracket body 31 and a tray 32 mounted at the bottom of the bracket body 31 (the shape of the tray 32 can be designed according to the structural characteristics of a specific mounting part), a motor 1 is mounted at the top of the bracket 3, a flexible gasket 6 is mounted between the motor 1 and the bracket 3, the motor 1 is provided with an output shaft 11, the motor 1 drives the rotating shaft 2 to reciprocate through a transmission assembly (the transmission assembly can adopt a crank connecting rod or a gear pair), the transmission assembly comprises a crank 4 and a connecting rod 5, the crank 4 is mounted on the output shaft 11, a connecting rod 5 is mounted on the crank 4, one end of the connecting rod 5 is rotationally connected with the crank 4, and the other end of the connecting rod 5 is rotationally connected with the rotating shaft 2. The rotation shaft 2 is reciprocally rotatable left and right by driving the motor 1.

The support 3 is made of plastic, a first through hole 310 and a motor groove 10 are formed in the top of the support 3, a through hole 20 is formed in the middle of the rotating shaft 2, the through hole 20 is aligned with the first through hole 310, and a bearing 22 is arranged between the top of the support 3 and the rotating shaft 2; a shaft hole 100 is arranged in the motor groove 10, the output shaft 11 passes through the shaft hole 100 from top to bottom, a certain gap is reserved between the shaft hole 100 and the first through hole 310, and mutual interference between the motor 1 and the rotating shaft 2 is prevented; the bottom of the frame body 31 is hollowed out, a screw hole is formed in the bottom of the frame body 31, the tray 32 is in threaded connection with the bottom of the frame body 31, a second through hole 320 is formed in the middle of the tray 32, and the second through hole 320 is aligned with the through hole 20; the first through hole 310, the through hole 20 and the second through hole 320 form a wire cavity and are coaxially arranged, so as to ensure verticality.

Install protection casing 12 on the motor 1, protection casing 12 wraps up from the top motor 1, be provided with opening wire casing 120 down on the lateral wall of protection casing 12, the electric wire on the motor 1 is followed after wire casing 120 wears out get into the line chamber, the electric wire passes from top to bottom rotation axis 2, connecting piece 21 is still installed at rotation axis 2 top, connecting piece 21 inboard adopts the circular arc transition.

The middle part integrated into one piece of rotation axis 2 has first pivot 23, crank 4 bottom integrated into one piece has second pivot 41, connecting rod 5 is the arc, connecting rod 5 both ends are provided with the hole site, connecting rod 5's both ends respectively with first pivot 23 and second pivot 41 rotate and are connected. The motor 1 drives the output shaft 11 to rotate, the output shaft 11 drives the crank 4 to rotate, and the crank 4 drives the rotating shaft 2 to rotate in a reciprocating manner through the connecting rod 5.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims (9)

1. The utility model provides a steering device, includes support (3), rotation axis (2) and motor (1), drive assembly is installed to output (11) of motor (1), motor (1) pass through drive assembly drive rotation axis (2) reciprocating rotation, its characterized in that:

the rotary shaft (2) is arranged inside the support (3), bearings (22) are arranged at the upper end and the lower end of the rotary shaft (2), and the outer ring of the bearings (22) is arranged on the support (3).

2. A steering device as claimed in claim 1, wherein:

the transmission assembly comprises a crank (4), a connecting rod (5) is arranged on the crank (4), one end of the connecting rod (5) is rotationally connected with the crank (4), and the other end of the connecting rod (5) is rotationally connected with the rotating shaft (2).

3. A steering device as claimed in claim 2, wherein:

the top of the bracket (3) is provided with a motor groove (10), and the motor (1) is arranged in the motor groove (10).

4. A steering device as claimed in claim 3, wherein:

the motor (1) is provided with a protective cover (12), and the protective cover (12) can cover the motor (1).

5. A steering device as claimed in claim 4, wherein:

the side wall of the protective cover (12) is provided with a wire groove (120), the opening direction of the wire groove (120) faces downwards, and the wire groove (120) is used for guiding wires on the motor (1).

6. A steering device as claimed in claim 5, wherein:

through holes (20) are formed in the middle of the rotating shaft (2), through holes corresponding to the through holes (20) are formed in the top and the bottom of the support (3), and wires on the motor (1) can pass through the rotating shaft (2) through the through holes and the through holes (20) after penetrating out of the wire grooves (120).

7. A steering device as claimed in claim 6, wherein:

the top of the rotating shaft (2) is also provided with a connecting piece (21), and the inner side of the connecting piece (21) adopts arc transition.

8. A steering device as claimed in claim 3, wherein:

a flexible gasket (6) is arranged between the motor (1) and the bracket (3).

9. A steering device as claimed in claim 1, wherein:

the bracket (3) is made of plastic materials.