CN215982426U

CN215982426U - Lifting self-locking structure and lifting lamp

Info

Publication number: CN215982426U
Application number: CN202122590316.9U
Authority: CN
Inventors: 李专
Original assignee: Dongguan Xudun Hardware Plastic Cement Product Co ltd
Current assignee: Dongguan Xudun Hardware Plastic Cement Product Co ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-03-08
Anticipated expiration: 2031-10-26

Abstract

The utility model relates to the technical field of lighting devices, in particular to a lifting self-locking structure and a liftable lamp. The lifting self-locking structure of the present application comprises a mounting bracket, a guide assembly and a self-locking assembly, and the self-locking assembly includes a housing and a self-locking assembly. The winding reel, the one-way rotating part, the braking part and the resetting part are respectively installed in the casing, the wire rope is wound around the reel, and the two ends of the one-way rotating part are respectively connected with the winding reel and the braking part, so the The reset piece is connected with the bobbin. The utility model is provided with a guide assembly, which facilitates the guiding and stretching of the wire rope, and makes the lifting and self-locking adjustment process more stable and smooth. It is easy to adjust the height of the lamp plate by connecting the lamp plate with the lifting self-locking structure, and the height of the lamp plate is very easy to use.

Description

Lifting self-locking structure and lifting lamp

Technical Field

The utility model relates to the technical field of lighting devices, in particular to a lifting self-locking structure and a lifting lamp.

Background

In the lighting lamp, the focal length or the emergent length can be controlled by changing the distance between the lamp body and the shell, so that the lighting with different brightness and different angles can be realized.

In traditional lamps and lanterns, most do not have the regulation structure, and the lamps and lanterns of part liftable adopt the location marble to realize flexible regulation, and the location marble structure is fixed a position through the locating hole in the spout and is slided, and it is not smooth enough to stretch at the slip in-process, and accommodation process is more hard moreover, influences the regulation formula use of light, can't realize convenient regulation and use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides a lifting self-locking structure and a lifting lamp, which are simple in structure, reasonable in design and convenient to adjust and use.

The technical scheme adopted by the utility model is as follows:

a lifting self-locking structure comprises a mounting support, a guide assembly and a self-locking assembly, wherein the self-locking assembly is mounted on the mounting support, the guide assembly is arranged on the periphery of the self-locking assembly and connected with the mounting support, the self-locking assembly comprises a shell, and a wire spool, a one-way rotating piece, a braking piece and a reset piece which are respectively mounted in the shell, a wire rope is wound on the wire spool, one end of the wire rope extends out of the shell and is connected with the guide assembly, two ends of the one-way rotating piece are respectively connected with the wire spool and the braking piece, and the reset piece is connected with the wire spool.

The technical scheme is further improved in that the unidirectional rotating piece comprises a rotating shaft and a unidirectional needle bearing, the unidirectional needle bearing is sleeved on the rotating shaft, the top end of the rotating shaft is connected with the wire spool, and the bottom end of the rotating shaft is connected with the braking piece.

The further improvement of the technical proposal is that the positions where the rotating shaft is connected with the wire spool and the braking piece are respectively provided with a shaft sleeve.

The braking part comprises a driven rotating disc part and a braking spring part, and the driven rotating disc part is respectively connected with the unidirectional rotating part and the braking spring part.

The technical scheme is further improved in that the driven turntable part comprises a driven support, a bearing spring and a spring box, the driven support is connected with the unidirectional rotating piece in a coaxial rotating mode, a limiting protrusion is arranged at the bottom end of the driven support, a limiting rib is arranged in the spring box, the spring box is arranged on the driven support in a covering mode, a mounting groove is formed in the spring box, the bearing spring is arranged in the mounting groove, and two ends of the bearing spring are respectively abutted to the limiting rib and the limiting protrusion.

The further improvement of the technical scheme is that the brake spring part is provided with a brake sleeve and a brake spring, the brake sleeve is embedded in the bottom of the inner side of the shell, the brake spring is arranged on the outer side of the brake sleeve, one end of the brake spring is provided with a first bending part, the other end of the brake spring is provided with a second bending part, the first bending part is connected with the bottom of the spring box in a clamping manner, and the second bending part is movably abutted to the limiting protrusion.

The further improvement to above-mentioned technical scheme does, the piece that resets includes clockwork spring barrel, clockwork spring and clockwork spring lid, the clockwork spring barrel install in the casing, the clockwork spring lid is located clockwork spring barrel top, and with the casing is connected, the clockwork spring is rolled up and is located the clockwork spring barrel, just the both ends of clockwork spring respectively with the clockwork spring barrel with the wire reel is connected.

The technical scheme is further improved in that the guide assembly is a pulley guide.

The further improvement of the technical scheme is that the wire winding device further comprises a conductive sliding disc, and the conductive sliding disc is arranged at the top end of the wire winding disc and is communicated with the wire rope.

A lifting lamp comprises the lifting self-locking structure and a lamp panel, wherein the lamp panel is arranged at the bottom end of the lifting self-locking structure and is connected with a cord.

The utility model has the following beneficial effects:

1. the lifting self-locking structure comprises a mounting bracket, a guide component and a self-locking component, wherein the self-locking component is mounted on the mounting bracket, the guide component is arranged on the periphery of the self-locking component and is connected with the mounting bracket, the self-locking component comprises a shell, and a wire spool, a one-way rotating piece, a braking piece and a resetting piece which are respectively arranged in the shell, a wire rope is wound on the wire spool, one end of the wire rope extends out of the shell and is connected with the guide component, two ends of the one-way rotating piece are respectively connected with the wire spool and the braking piece, and the resetting piece is connected with the wire spool. The structure is simple, and the lifting adjustment is practical and convenient.

2. According to the liftable lamp, the lamp panel is connected with the lifting self-locking structure, so that the height of the lamp panel is very easy to adjust, and the liftable lamp is convenient to use.

Drawings

Fig. 1 is an exploded schematic view of a lifting self-locking structure of the present application;

fig. 2 is a schematic view of a connection structure of a conductive sliding plate, a wire spool and a reset member according to the present application;

FIG. 3 is a schematic view of the unidirectional rotating member and the braking member of the present application;

FIG. 4 is a schematic view of the driven bracket and the connection structure of the carrier spring and the braking member of the present application;

fig. 5 is a schematic structural view of the liftable lamp of the present application;

description of reference numerals: 1. the spring winding device comprises a mounting bracket, 2 guide assemblies, 3 self-locking assemblies, 31 a shell, 32 a wire spool, 321 a wire rope, 33 a one-way rotating piece, 331 a rotating shaft, 332 a one-way needle bearing, 333 a shaft sleeve, 34 a braking piece, 341 a driven bracket, 3411 a limiting protrusion, 342 a bearing spring, 343 a spring box, 3431 a limiting rib, 344 a braking sleeve, 345 a braking spring, 3451 a first bending part, 3452 a second bending part, 35 a resetting piece, 351 a rolling sleeve, 352 a spring, 353 a spring cover, 4 a conductive sliding disc and 5 a lamp disc.

Detailed Description

The utility model will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the lifting self-locking structure according to this embodiment includes a mounting bracket 1, a guiding component 2 and a self-locking component 3, where the self-locking component 3 is mounted on the mounting bracket 1, the guiding component 2 is provided with at least two sets, the guiding components 2 are distributed around the self-locking component 3 at equal angular intervals and connected to the mounting bracket 1, the self-locking component 3 includes a housing 31, and a wire winding disc 32, a unidirectional rotating member 33, a braking member 34 and a resetting member 35 respectively mounted in the housing 1, the wire winding disc 32 is wound with a wire rope 321, one end of the wire rope 321 extends out of the housing 31 and is connected to the guiding component 2, two ends of the unidirectional rotating member 33 are respectively connected to the wire winding disc 32 and the braking member 34, the resetting member 35 is connected to the wire winding disc 32, and by providing the guiding component 2, the lifting self-locking adjusting device is convenient for guiding and stretching the wire rope 321, so that the lifting self-locking adjusting process is more stable and smooth, meanwhile, the self-locking adjustment is realized by matching the braking piece 34 and the reset piece 35 through the one-way rotating piece 33, the structure is simple to set, the lifting adjustment is practical and convenient, specifically, for objects with light weight, a group of guide assemblies 2 are arranged, for heavier objects, at least two groups of guide assemblies 2 can be arranged, and compared with a single group of guide assemblies 2, the lifting self-locking adjusting device can overcome torsion rotation, so that the lifting self-locking adjusting process is more stable.

Specifically, the unidirectional rotating element 33 includes a rotating shaft 331 and a unidirectional needle bearing 332, the unidirectional needle bearing 332 is sleeved on the rotating shaft 331, the top end of the rotating shaft 331 is connected to the wire spool 32, and the bottom end of the rotating shaft 331 is connected to the braking member 34, specifically, the rotating shaft 331 in this application can drive the unidirectional needle bearing 332 to rotate clockwise, and when the rotating shaft 332 rotates counterclockwise, the unidirectional needle bearing 332 cannot be driven to rotate.

The positions where the rotating shaft 331 is connected to the wire spool 32 and the braking member 34 are respectively provided with a bushing 333, and in this embodiment, the connection stability is good by providing the bushing 333.

The braking member 34 includes a driven rotating disk portion and a braking spring portion, the driven rotating disk portion is respectively connected with the unidirectional rotating member 33 and the braking spring portion, specifically, the driven rotating disk portion includes a driven bracket 341, a bearing spring 342 and a spring box 343, the driven bracket 341 is coaxially and rotatably connected with the unidirectional rotating member 33, a limiting protrusion 3411 is arranged at the bottom end of the driven bracket 341, a limiting rib 3431 is arranged in the spring box 343, the driven bracket 341 is covered on the spring box 343 and forms an installation groove with the spring box 343, the bearing spring 342 is arranged in the installation groove, two ends of the bearing spring 342 are respectively abutted against the limiting rib 3431 and the limiting protrusion 3411, the braking spring portion is provided with a braking sleeve 344 and a braking spring 345, the braking sleeve 344 is embedded at the bottom inside the housing 31, the braking spring 345 is arranged outside the braking sleeve 344, the braking spring 345 has a first bent portion 3451 at one end and a second bent portion 3452 at the other end, the first bent portion 3451 is engaged with the bottom of the spring case 343, the second bent portion 3452 is movably abutted with the position-limiting protrusion 3411, in this embodiment, the braking member 34 is specifically configured, specifically, according to the braking principle, when the wire 321 is not pulled, the weight of an object connected with the wire 321 is supported by the elastic force of the supporting spring 342, such as a lamp, at this time, the position-limiting protrusion 3411 and the second bent portion 3452 are in a separated state, and will not contact the friction between the braking spring 345 and the braking sleeve 344, that is, in a braking state, when the wire 321 is pulled, the driven bracket 341 rotates, the position-limiting protrusion 3411 at the bottom moves, so that the supporting spring 342 is in a compressed state, and the second bent portion 3452 of the braking spring is contacted during the movement of the position-limiting protrusion 3411, and a clockwise thrust is applied, the friction force between the brake spring 345 and the brake sleeve 344 is reduced, the wire 321 is pulled out, after the wire 321 is pulled out to a required length, the bearing spring 342 is restored to the original position, the limiting protrusion 3411 is also separated from the second bending part 3452 of the brake spring 345, the friction force between the brake spring 345 and the brake sleeve 344 is restored, and the object with the position adjusted is suspended again.

The reset piece 35 comprises a spring rolling sleeve 351, a spring 352 and a spring cover 353, the spring roller 351 is mounted on the housing 31, the spring cover 353 is provided at the tip end of the spring roller 351, and is connected to the housing 31, the spiral spring 352 is wound around the spiral spring rolling sleeve 351, and both ends of the spring 352 are respectively connected to the spring roller 351 and the wire spool 32, in this embodiment, a specific structural arrangement of the restoring member 35 is shown, specifically, the resetting principle is that, when the article hung on the thread rope 321 needs to be adjusted upwards, lifting the article, at which point the spool 32 is free of the weight of the article, the spring 352 begins to act on the spool 32, causing the spool 32 to rotate counterclockwise, in the process, the unidirectional rotating piece 33 cannot be driven to rotate, the cord is wound, the structural design is simple, and the resetting and adjusting are convenient.

The guide assembly 2 is a pulley guide, and has guide and pulley functions by being a pulley guide, so that the cord 321 can be pulled out or retracted more smoothly.

The electric wire rope winding device is characterized by further comprising an electric conduction sliding disc 4, wherein the electric conduction sliding disc 4 is arranged at the top end of the wire spool 32 and is communicated with the wire rope 321, the electric connection between the wire rope 321 and a power source and between the wire rope and an article is facilitated by the arrangement of the electric conduction sliding disc 4, and the electric conduction sliding device is simple in structure and good in conduction effect.

In addition, in the present application, the rotating shaft 331, the sleeve 333, the driven bracket 341, and the braking sleeve 344 may be selectively made of metal, so as to increase the stability and the service life of the self-locking structure.

As shown in fig. 1 to 5, a liftable lamp comprises the lifting self-locking structure and the lamp panel 5, wherein the lamp panel 5 is arranged at the bottom end of the lifting self-locking structure and is connected with the cord 321, and the lamp panel 5 is connected with the lifting self-locking structure, so that the height of the lamp panel 5 is very easy to adjust and convenient to use.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A lifting self-locking structure, characterized in that it comprises a mounting bracket, a guide assembly and a self-locking assembly, the self-locking assembly is mounted on the mounting bracket, and the guide assembly is arranged on the outer periphery of the self-locking assembly and is Connected with the mounting bracket, the self-locking assembly includes a housing and a winding reel, a one-way rotating piece, a braking piece and a reset piece respectively installed in the housing, and a wire is wound around the winding reel. One end of the rope extends out of the casing and is connected to the guide assembly, the two ends of the one-way rotating member are respectively connected to the bobbin and the braking member, and the reset member is connected to the The spool is connected.

2 . The lifting self-locking structure according to claim 1 , wherein the one-way rotating member comprises a rotating shaft and a one-way needle bearing, and the one-way needle bearing is sleeved on the rotating shaft. 3 . The top end of the rotating shaft is connected with the bobbin, and the bottom end of the rotating shaft is connected with the braking member.

3 . The lifting self-locking structure according to claim 2 , wherein the position where the rotating shaft is connected to the bobbin and the braking member is respectively provided with a shaft sleeve. 4 .

4 . The lifting self-locking structure according to claim 3 , wherein the braking member comprises a driven turntable portion and a brake spring portion, and the driven turntable portion is respectively connected to the one-way rotating member. 5 . connected to the brake spring portion.

5 . The lifting self-locking structure according to claim 4 , wherein the driven turntable part comprises a driven bracket, a bearing spring and a spring box, and the driven bracket is the same as the one-way rotating member. 6 . The shaft is rotatably connected, the bottom end of the driven bracket is provided with a limit protrusion, the spring box is provided with a limit rib, the driven bracket is covered on the spring box, and forms an installation groove with the spring box, The bearing spring is arranged in the installation groove, and both ends of the bearing spring are respectively abutted with the limiting rib and the limiting protrusion.

6 . The lifting self-locking structure according to claim 5 , wherein the braking spring part is provided with a braking sleeve and a braking spring, and the braking sleeve is embedded in the inner bottom of the housing. 7 . , the brake spring is provided on the outside of the brake sleeve, one end of the brake spring is provided with a first bending part, the other end is provided with a second bending part, the first bending part is connected with the spring The bottom of the box is clamped, and the second bending portion is in movable contact with the limiting protrusion.

7 . The lifting self-locking structure according to claim 1 , wherein the reset element comprises a clockwork roller sleeve, a clockwork spring and a clockwork cover, and the clockwork roller cover is mounted on the housing. 8 . , the mainspring cover is arranged on the top of the mainspring roller sleeve and is connected with the casing, the mainspring spring is wound on the mainspring roller sleeve, and the two ends of the mainspring spring are respectively connected to the The mainspring roller is connected with the bobbin.

8 . The lifting self-locking structure according to claim 1 , wherein the guide assembly is set as a pulley guide. 9 .

9 . The lifting self-locking structure according to claim 1 , further comprising a conductive sliding plate, the conductive sliding plate is arranged on the top of the winding plate and communicated with the wire rope. 10 .

10. An elevating lamp, characterized in that it comprises the elevating self-locking structure according to any one of claims 1-9 and a lamp panel, wherein the lamp panel is arranged at the bottom end of the elevating self-locking structure, and is connected with the elevating self-locking structure. cord connection.