CN220088861U - Angle regulator - Google Patents

Abstract

The utility model relates to an angle regulator, comprising a fixed part, a rotary part and an operating part; wherein: the fixed part comprises a star disk shell and a star disk cover ring locked on the star disk shell, and the rotary part can be rotatably clamped at the joint part of the star disk cover ring and the star disk shell; a brake disc is arranged on the inner side surface of the rotating part, a matched brake tooth is arranged on the abutting surface of the brake disc and the rotating part, and the brake disc can be axially and slidably arranged in the star disc shell and always keeps the trend of abutting against the rotating part under the action of a spring; the brake disc can be driven by an operating member passing through the center of the fixed member to move axially out of locking with the rotating member. The utility model has the characteristics of unique conception, simple structure and few parts; especially, the operation part directly acts on the brake disc, so that axial movement is realized, adjustment is more reliable, long-distance control can be realized by matching with a steel wire brake line, and the matching range of products is expanded.

Description

Angle regulator

Technical field:

the utility model belongs to the technical field of angle adjustment, and particularly relates to an angle adjuster.

The background technology is as follows:

the angle adjusters are used in furniture, such as adjusting the inclination of a table top, and the inclination of a back of a chair, in particular in a car seat, and have high demands. From the early ratchet pawl matching to the later gear ratchet meshing, the reliability of angle positioning is gradually improved. Such as:

CN202111518878.0 discloses an adjusting mechanism and a seat adjuster, a first adjusting block is installed on a handle rotating shaft, a second adjusting block is fixedly provided with two limiting columns, the handle rotating shaft passes through the second adjusting block and is provided with a first adjusting gear at the end part, the first adjusting gear is meshed with the second adjusting gear, a limiting groove and internal teeth are formed in the first adjusting limiting block, the second adjusting gear is meshed with the internal teeth, a third adjusting gear is installed at the end part of the rotating shaft of the first adjusting limiting block, the third adjusting gear is meshed with a fifth adjusting gear, the middle transmission block and the second adjusting limiting block are provided with internal teeth, a limiting groove and internal teeth are formed in the third adjusting limiting block, a middle connecting block is fixedly connected with the third adjusting block, a middle connecting block shaft is fixedly arranged on the middle connecting block, and the middle connecting block shaft is connected with the third adjusting gear. The mechanism is in a rotary adjusting mode.

CN202211566210.8, discloses an angle-adjusting reading stand, comprising a base and a support seat provided with a support on the base, wherein a desk plate is provided on the support seat; an angle adjusting structure is arranged between the support and the table plate, the angle adjusting structure comprises a mounting seat arranged on the support, a sliding seat capable of moving back and forth is arranged on the mounting seat, a rotatable adjusting seat is arranged on the sliding seat, the sliding seat and the adjusting seat are fixedly locked through a locking structure, an adjusting piece is arranged on the mounting seat, and one end of the adjusting piece is connected with the sliding seat; the sliding seat and the locking structure on the adjusting seat are separated by controlling the adjusting piece, so that the angle adjustment of the adjusting seat is realized. The mechanism is in a clutch adjusting mode.

How to provide a more reasonable clutch-type adjusting technical scheme is the object of the research of the utility model.

The utility model comprises the following steps:

the utility model aims to design an angle regulator which realizes clutch through axial movement.

The technical scheme of the utility model is realized as follows: an angle adjuster includes a fixed member, a rotating member, and an operating member; the method is characterized in that: the fixed part comprises a star disk shell and a star disk cover ring locked on the star disk shell, and the rotary part can be rotatably clamped at the joint part of the star disk cover ring and the star disk shell; a brake disc is arranged on the inner side surface of the rotating part, a matched brake tooth is arranged on the abutting surface of the brake disc and the rotating part, and the brake disc can be axially and slidably arranged in the star disc shell and always keeps the trend of abutting against the rotating part under the action of a spring; the brake disc can be driven by an operating member passing through the center of the fixed member to move axially out of locking with the rotating member.

A hollow shaft valve is arranged at the central position of the star disk shell, and a central hole of the rotating part and the end part of the hollow shaft valve are mutually nested to form a support; the brake disc is provided with a shaft valve hole through which the hollow shaft valve can pass, and the brake disc and the hollow shaft valve can form sliding nesting by virtue of the shaft valve hole; the operating part passes through the hollow shaft valve or the central hole of the rotating part to act on the center of the brake disc, and the spring is sleeved outside the hollow shaft valve to act between the brake disc and the star wheel shell.

The end face of the brake disc is also provided with a plurality of guide posts, and the radial edge of the brake disc is provided with a plurality of convex keys; the star wheel shell is correspondingly provided with a guide hole and a key groove, and the guide column is matched with the guide hole, and the convex key is matched with the key groove to form a sliding anti-rotation structure.

The rotary part and the brake disc are formed with mutually nested cylindrical surfaces and clutch conical surfaces which can slide relatively, and the brake teeth are formed on the clutch conical surfaces.

The operating part has three structures as follows: 1. the steel wire brake wire passes through the end head of the star disk shell and is hung on the brake disk, so that the brake wire can be pulled to one side of the bottom of the star disk shell against the spring force, and the other end of the brake wire can be wound to a far end for control; 2. the key is arranged on one side of the star disc cover ring in a sliding manner, penetrates through the central hole of the rotating part from inside to outside, is restrained on the inner side of the central hole, and is abutted against the central position of the brake disc at the inner end part, and the brake disc is driven to retract by pressing down; 3. the convex key is connected with the brake disc at the center position towards one side of the star disc cover ring, penetrates through the center hole of the rotating part and protrudes out of the surface of the rotating part, and the lower brake disc is retracted backwards.

The end face of the rotary part, which is exposed out of the star-plate cover ring, is provided with a mounting hole, and the bottom of the star-plate shell is also provided with a mounting hole so as to be fixed with the corresponding part.

The utility model has the characteristics of unique conception, simple structure, few parts and direct clutch driving; especially, the operation part directly acts on the brake disc, so that axial movement is realized, adjustment is more reliable, long-distance control can be realized by matching with a steel wire brake line, and the matching range of products is expanded.

Description of the drawings:

the utility model is further described with reference to the following specific drawings:

FIG. 1 is a schematic view of an angle adjuster

FIG. 2 is a schematic view of an angle adjuster

FIG. 3 is a schematic cross-sectional view of an angle adjuster

FIG. 4 is an exploded view of the angle adjuster

FIG. 5 is an exploded view of the angle adjuster

Wherein the method comprises the steps of

1-a fixing member; 11-star wheel housing; 111-hollow axle lobes; 112-pilot hole; 113-keyway;

12-star cover ring;

2-a rotating member; 21-a central hole; 22-cylinder;

3-an operating member; 31-a brake line;

4-a brake disc; 41-braking teeth; 42-axle valve hole; 43-guide column; 44-a male key;

5-a spring;

the specific embodiment is as follows:

referring to fig. 1 to 5, the angle adjuster includes a fixed member 1, a rotating member 2, and an operating member 3; the fixed part 1 comprises a star plate shell 11 and a star plate cover ring 12 locked on the star plate shell, wherein a hollow shaft flap 111 is arranged in the center of the star plate shell 11.

The rotary part 2 is clamped at the joint of the star disk cover ring 12 and the star disk shell 11, and is rotatably attached to one side of the star disk cover ring 12, and the central hole 21 of the rotary part and the end part of the hollow shaft flap 111 are mutually nested to form a support; a cavity is reserved between the inner side surface of the rotating part 2 and the star disc shell 11 so as to be convenient for installing the brake disc 4, and the specific structure is that the brake disc 4 is arranged on the inner side surface of the rotating part 2, the contact surface of the brake disc 4 and the rotating part 2 is provided with matched brake teeth 41, and the brake disc 4 can be axially and slidably arranged in the star disc shell 11 and always keeps the trend of contacting the rotating part 2 under the action of the spring 5; the brake disc 4 can be driven in axial movement by the operating member 3 through the centre of the fixed member out of locking with the rotating member 2.

More specifically, the brake disc 4 is provided with a flap hole 42 through which the hollow flap 111 can pass, by means of which flap Kong Zhidong the disc 4 can form a sliding nest with the hollow flap 11; the spring 5 is sleeved outside the hollow shaft valve 111 and acts between the brake disc 4 and the star wheel housing 11. Further, between the rotary member 2 and the brake disc 4, a cylindrical surface 22 and a clutch cone surface are formed so as to be mutually nested and relatively slidable, and the brake teeth 41 are formed on the clutch cone surface so as to form a rotational association among the rotary member 2, the brake disc 4 and the star wheel housing 11.

Referring to fig. 5, the end surface of the brake disc 4 is further provided with a plurality of guide posts 43, and the radial edge is provided with a plurality of convex keys 44; the star plate shell 11 is correspondingly provided with a guide hole 112 and a key slot 113, the guide post 43 is matched with the guide hole 112, and the convex key 44 is matched with the key slot 113 to form a sliding anti-rotation structure.

As shown in fig. 3, the actuating element 3 acts directly on the center of the brake disk 4 through the hollow shaft flap 111, by means of a pulling operation; alternatively, the operating member 3 passes through the center hole 21 of the rotating member to act on the brake disc 4, and is operated by pressing from the other side, and can be designed according to different use situations. More specifically, the operating member 3 has three structures:

1. the steel wire brake wire 31 passes through the end of the star disk shell 11 and is hung on the brake disk 4, the spring force can be overcome to pull to one side of the bottom of the star disk shell 11, the other end of the brake wire 31 can be wound to a far end for control, and the remote control is convenient, and the illustration is of the specific structure.

2. A key slidably provided on one side of the star cover ring 12, penetrating through the rotary member center hole 21 from inside to outside, and restrained inside the center hole, with an inner end portion abutting against the center position of the brake disc 4, and pressing down to drive the brake disc 4 to retract backward; the key is designed as a split, and can be a connected convex key as follows.

3. The convex key is connected with the brake disc 4 at the center towards one side of the star disc cover ring, penetrates through the center hole 21 of the rotating part and protrudes out of the surface of the rotating part 2, and presses the brake disc 4 to retract backwards.

Two types of control modes provide matched design convenience. And the end face of the rotary part 2 exposed out of the star-plate cover ring is provided with a mounting hole, and the bottom of the star-plate shell 11 is also provided with a mounting hole so as to be fixed with the corresponding part.

In the above example, the star wheel housing 11 and the rotating member 2 are both gyrorotor bodies, which are only convenient for drawing, and according to the example product, other external structures except the rotary matching surface are round can be any shape.

Claims (6)

1. An angle adjuster includes a fixed member, a rotating member, and an operating member; the method is characterized in that: the fixed part comprises a star disk shell and a star disk cover ring locked on the star disk shell, and the rotary part can be rotatably clamped at the joint part of the star disk cover ring and the star disk shell; a brake disc is arranged on the inner side surface of the rotating part, a matched brake tooth is arranged on the abutting surface of the brake disc and the rotating part, and the brake disc can be axially and slidably arranged in the star disc shell and always keeps the trend of abutting against the rotating part under the action of a spring; the brake disc can be driven by an operating member passing through the center of the fixed member to move axially out of locking with the rotating member.

2. An angle adjuster according to claim 1, wherein: a hollow shaft valve is arranged at the central position of the star disk shell, and a central hole of the rotating part and the end part of the hollow shaft valve are mutually nested to form a support; the brake disc is provided with a shaft valve hole through which the hollow shaft valve can pass, and the brake disc and the hollow shaft valve can form sliding nesting by virtue of the shaft valve hole; the operating part passes through the hollow shaft valve or the central hole of the rotating part to act on the center of the brake disc, and the spring is sleeved outside the hollow shaft valve to act between the brake disc and the star wheel shell.

3. An angle adjuster according to claim 2, wherein: the end face of the brake disc is also provided with a plurality of guide posts, and the radial edge of the brake disc is provided with a plurality of convex keys; the star wheel shell is correspondingly provided with a guide hole and a key groove, and the guide column is matched with the guide hole, and the convex key is matched with the key groove to form a sliding anti-rotation structure.

4. An angle adjuster according to claim 1 or 2, characterized in that: the rotary part and the brake disc are formed with mutually nested cylindrical surfaces and clutch conical surfaces which can slide relatively, and the brake teeth are formed on the clutch conical surfaces.

5. An angle adjuster according to claim 1 or 2, characterized in that: the operating part has three structures as follows: 1. the steel wire brake wire passes through the end head of the star disk shell and is hung on the brake disk, so that the brake wire can be pulled to one side of the bottom of the star disk shell against the spring force, and the other end of the brake wire can be wound to a far end for control; 2. the key is arranged on one side of the star disc cover ring in a sliding manner, penetrates through the central hole of the rotating part from inside to outside, is restrained on the inner side of the central hole, and is abutted against the central position of the brake disc at the inner end part, and the brake disc is driven to retract by pressing down; 3. the convex key is connected with the brake disc at the center position towards one side of the star disc cover ring, penetrates through the center hole of the rotating part and protrudes out of the surface of the rotating part, and the lower brake disc is retracted backwards.

6. An angle adjuster according to claim 5, wherein: the end face of the rotating part, which is exposed out of the star-plate cover ring, is provided with a mounting hole, and the bottom of the star-plate shell is also provided with a mounting hole so as to be fixed with the corresponding part.