CN220832425U

CN220832425U - Pulley locking device

Info

Publication number: CN220832425U
Application number: CN202322631362.8U
Authority: CN
Inventors: 吴薇; 吴倚; 周天瑜
Original assignee: Angie Eggson Furniture Co ltd
Current assignee: Angie Eggson Furniture Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-04-26
Anticipated expiration: 2033-09-26

Abstract

The utility model provides a pulley locking device for solve the prior art's that mentions among the prior art seat pulley can take place the skew easily because of external force factor or the focus of user self when using the user to lead to the user to sit on the seat, the user need frequent adjustment seat's position, reduce the technical problem that user's riding experienced, including pulley and mounting bracket, the pulley rotates to locate on the mounting bracket, be equipped with the rotating member on the mounting bracket, be equipped with the go-between on the rotating member, a plurality of jacks have been seted up on the go-between outer lane, be equipped with on the mounting bracket and be used for the locking subassembly with one of them jack butt, be equipped with the restriction subassembly that is used for restricting pulley pivoted on the mounting bracket.

Description

Pulley locking device

Technical Field

The utility model relates to the technical field of seat processing, in particular to a pulley locking device.

Background

The leisure chair takes a household and an indoor public place as a placement place, provides comfortable leisure sitting and lying leaning furniture for individuals or multiple persons, and is of a pulley type at present.

The pulley of the prior art, for example, the patent document of the patent name of a pulley type leisure chair with the publication number of CN212995503U discloses a pulley device, which comprises a seat, armrests, supporting columns, a piston plate, a high-strength spring, a piston cylinder, a limiting ring, a limiting rod, a supporting rod, a fixed block, an air pipe, a friction ring, a rubber ring, a hollow rubber disc, a limiting cylinder, steel balls and a rotating ball, wherein two armrests are movably connected on the seat, the bottom of the seat is fixedly provided with the supporting columns through screws, the bottoms of the supporting columns are fixedly connected with the piston plate, and the bottoms of the piston plate are fixedly connected with the high-strength spring.

The seat of above-mentioned patent document can be because of external force factor or the focus of user self when using the people leads to the easy skew of taking place of seat when user sits on the seat, and the position of the seat of user's frequent adjustment needs, reduces user's riding experience.

Disclosure of utility model

The utility model aims at overcoming the defects of the prior art, and provides a pulley locking device which is used for solving the technical problems that when a user uses a seat pulley in the prior art, the seat is easy to deviate due to external force factors or the gravity center of the user, the user needs to frequently adjust the position of the seat, and the riding experience of the user is reduced.

The technical aim of the utility model is realized by the following technical scheme:

The utility model provides a pulley locking device, includes pulley and mounting bracket, the pulley rotates and locates on the mounting bracket, be equipped with the rotating member on the mounting bracket, be equipped with the go-between on the rotating member, a plurality of jacks have been seted up on the go-between outer lane, be equipped with on the mounting bracket be used for with one of them jack butt locking subassembly, be equipped with on the mounting bracket be used for restricting pulley pivoted restriction subassembly, locking subassembly includes installation piece, rotating block, first bolt and nut, the installation piece sets firmly on the mounting bracket, the rotating block rotates and locates on the installation piece and the rotating block keep away from one of them jack butt on tip and the go-between of installation piece, set up the bar hole on the rotating block, first bolt slides and passes the bar hole and rotate with the installation piece to be connected, nut and first bolt threaded connection and nut and rotating block butt, the rotating block is located between installation piece and the nut, restriction subassembly includes connecting plate, second bolt and slipmat, the connecting plate sets firmly on the installation hole has seted up the mounting hole on the connecting plate, be equipped with the screw thread on the mounting hole inner wall, second and connecting plate set firmly with the slipmat on the slipmat.

Working principle:

the connecting ring on the pulley is first fitted to the foot of the seat.

When the user needs to fix the relative position of the seat, the user can limit the rotation of the pulley through the limiting component, so that the seat is not easy to deviate through limiting the rotation of the pulley.

When the user needs to fix the rotation angle of the pulley, the user can limit the rotation angle of the mounting frame through the locking assembly, so that the user can limit the rotation angle of the pulley by limiting the rotation angle of the mounting frame.

Compared with the prior art, the utility model has the following beneficial effects:

First, be equipped with the restriction subassembly, the rotation of restriction subassembly can restrict the pulley to when the user needs the seat to fix in relative position, the restriction subassembly has restricted the rotation of pulley, and then the seat can fix in relative position.

Second, be equipped with locking subassembly, locking subassembly can restrict the rotation angle of mounting bracket, when the user need remove towards a direction, the pulley can rotate in a direction, convenient to use personnel's removal.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a schematic view of the assembled structure of the mounting block, the rotating block and the first bolt of the present utility model;

fig. 3 is a schematic view of the assembly of the structural abutment block and the turning block of the present utility model.

Reference numerals illustrate: pulley 1, mounting bracket 2, rotor 3, go-between 4, jack 5, installation piece 6, rotor 7, first bolt 8, nut 9, bar hole 10, dodge groove 11, spring 12, butt piece 13, connecting plate 14, second bolt 15, slipmat 16, mounting hole 17, rotation handle 18.

Detailed Description

The technical scheme of the utility model is further described below with reference to the accompanying drawings and examples.

Examples:

As shown in fig. 1 and 2, a pulley locking device comprises a pulley 1 and a mounting frame 2, the pulley 1 is rotationally arranged on the mounting frame 2, a rotating member 3 is arranged on the mounting frame 2, a connecting ring 4 is arranged on the rotating member 3, a plurality of jacks 5 are formed in the outer ring of the connecting ring 4, a locking component which is used for being abutted to one of the jacks 5 is arranged on the mounting frame 2, a limiting component which is used for limiting the rotation of the pulley 1 is arranged on the mounting frame 2, as shown in fig. 1, the rotating member 3 is a bearing, and the pulley 1 is rotationally connected with the mounting frame 2 through the bearing.

As shown in fig. 1 and 2, the locking assembly comprises a mounting block 6, a rotating block 7, a first bolt 8 and a nut 9, wherein the mounting block 6 is fixedly arranged on the mounting frame 2, the rotating block 7 is rotationally arranged on the mounting block 6, the end part of the rotating block 7, which is far away from the mounting block 6, is abutted against one of the jacks 5 on the connecting ring 4, a strip-shaped hole 10 is formed in the rotating block 7, the first bolt 8 slides through the strip-shaped hole 10 and is rotationally connected with the mounting block 6, the nut 9 is in threaded connection with the first bolt 8, the nut 9 is abutted against the rotating block 7, and the rotating block 7 is positioned between the mounting block 6 and the nut 9.

Firstly, the connecting ring 4 is arranged on the chair leg of the chair, when a user needs to limit the rotating direction of the pulley 1, the user rotates the nut 9, the nut 9 gradually approaches to the rotating block 7 during rotation, when the nut 9 is abutted against the rotating block 7, the rotating block 7 can rotate on the mounting block 6, when the rotating block 7 rotates, the first bolt 8 can move in the strip-shaped hole 10 on the rotating block 7, the first bolt 8 can also rotate on the mounting block 6, so that the end part of the rotating block 7, far from the mounting block 6, gradually abuts against the jack 5 on the connecting ring 4 and enters the jack 5, then the user continuously rotates the nut 9 until the nut 9 is completely abutted against the rotating block 7, so that the rotation of the mounting frame 2 is limited in the jack 5 in which the end part of the rotating block 7 is completely inserted, and the rotating direction of the pulley 1 is further limited, and the rotating block 7 and the first bolt 8 are in rotating connection through a rotating shaft.

As shown in fig. 2 and fig. 3, the end part of the rotating block 7, which is far away from the mounting block 6, is provided with an avoidance groove 11, a spring 12 is fixedly arranged in the avoidance groove 11, an abutting block 13 is fixedly arranged on the spring 12, the abutting block 13 is slidably arranged in the avoidance groove 11, the abutting block 13 abuts against the inner wall of the jack 5, and as shown in fig. 3, the abutting surface of the abutting block 13 and the jack 5 is a cambered surface.

When the rotating block 7 enters the jack 5, the abutting block 13 on the rotating block 7 enters the avoiding groove 11 due to the jacking force of the inner wall of the jack 5, and the spring 12 is converted into a compressed state from a natural state at the moment, when the abutting block 13 completely enters the jack 5, the spring 12 can provide a certain jacking force for the abutting block 13, so that larger friction force is provided between the abutting block 13 and the inner wall of the jack 5, and shaking between the end part of the rotating block 7 and the jack 5 is reduced.

As shown in fig. 1, the limiting assembly comprises a connecting plate 14, a second bolt 15 and an anti-slip pad 16, the connecting plate 14 is fixedly arranged on the mounting frame 2, a mounting hole 17 is formed in the connecting plate 14, threads are formed in the inner wall of the mounting hole 17, the second bolt 15 is in threaded connection with the mounting hole 17 on the connecting plate 14, the anti-slip pad 16 is fixedly arranged on the second bolt 15 and is abutted to the pulley 1, and as shown in fig. 1, a rotating handle 18 is fixedly arranged at the end part of the second bolt 15, which is far away from the anti-slip pad 16.

When the user needs to restrict the rotation of the pulley 1, the user rotates the rotation handle 18. The rotation handle 18 rotates to drive the second bolt 15 to rotate, the second bolt 15 can rotate in the mounting hole 17, and then the second bolt 15 rotates to drive the anti-slip pad 16 to move, so that the anti-slip pad 16 is abutted with the pulley 1, friction between the anti-slip pad 16 and the pulley 1 is increased, and rotation of the pulley 1 is limited by the means that the anti-slip pad 16 is abutted with the pulley 1.

Working principle:

Firstly, the connecting ring 4 is arranged on the chair leg of the chair, when a user needs to limit the rotation direction of the pulley 1, the user rotates the nut 9, the nut 9 gradually approaches to the rotating block 7 during rotation, when the nut 9 is abutted against the rotating block 7, the rotating block 7 can rotate on the mounting block 6, when the rotating block 7 rotates, the first bolt 8 can move in the strip-shaped hole 10 on the rotating block 7, the first bolt 8 can also rotate on the mounting block 6, so that the end part of the rotating block 7, far from the mounting block 6, gradually abuts against the jack 5 on the connecting ring 4 and enters the jack 5, and then the user continues to rotate the nut 9 until the nut 9 is completely abutted against the rotating block 7, so that the rotation of the mounting frame 2 is limited in the jack 5 into which the end part of the rotating block 7 is completely inserted, and the rotation direction of the pulley 1 is further limited.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides a pulley locking device, its characterized in that includes pulley (1) and mounting bracket (2), pulley (1) rotates and locates on mounting bracket (2), be equipped with on mounting bracket (2) and rotate piece (3), be equipped with go-between (4) on rotating piece (3), a plurality of jacks (5) have been seted up on go-between (4) outer lane, be equipped with on mounting bracket (2) be used for with one of them jack (5) pivoted locking subassembly, be equipped with on mounting bracket (2) be used for restricting pulley (1) pivoted restriction subassembly, locking subassembly includes installation piece (6), rotation piece (7), first bolt (8) and nut (9), installation piece (6) set firmly on mounting bracket (2), rotation piece (7) rotate and locate on installation piece (6) and one of them jack (5) butt on go-between (4), set up hole (10) on rotation piece (7), first bolt (8) slip and pass hole (10) and rotation piece (9) and a bar nut (9), the rotating block (7) is located between the mounting block (6) and the nut (9), the limiting assembly comprises a connecting plate (14), a second bolt (15) and an anti-slip pad (16), the connecting plate (14) is fixedly arranged on the mounting frame (2) and provided with a mounting hole (17) on the connecting plate (14), threads are arranged on the inner wall of the mounting hole (17), the second bolt (15) is in threaded connection with the mounting hole (17) on the connecting plate (14), and the anti-slip pad (16) is fixedly arranged on the second bolt (15) and is in butt joint with the pulley (1).

2. A pulley locking apparatus as claimed in claim 1 wherein: the rotating piece (3) is a bearing.

3. A pulley locking apparatus as claimed in claim 1 wherein: the end part of the rotating block (7) far away from the mounting block (6) is provided with an avoidance groove (11), a spring (12) is fixedly arranged in the avoidance groove (11), an abutting block (13) and the abutting block (13) are fixedly arranged on the spring (12) in the avoidance groove (11) in a sliding mode, and the abutting block (13) is abutted to the inner wall of the jack (5).

4. A pulley locking apparatus as claimed in claim 3 wherein: the abutting surface of the abutting block (13) and the jack (5) is an arc surface.

5. A pulley locking apparatus as claimed in claim 1 wherein: the end part of the second bolt (15) far away from the anti-slip pad (16) is fixedly provided with a rotating handle (18).