CN219177282U

CN219177282U - Lifting force-adjusting structure without sliding rail support

Info

Publication number: CN219177282U
Application number: CN202223425180.7U
Authority: CN
Inventors: 董秋良
Original assignee: Dongguan Zhongke Guanteng Electronic Technology Co ltd
Current assignee: Dongguan Zhongke Guanteng Electronic Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-13
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a lifting force-adjusting structure of a slide rail-free support, which comprises a support main body, a sliding main body, a force-adjusting screw, a force-adjusting plate and a friction piece, wherein the support main body is hollow, the sliding main body slides in the support main body, a mounting notch is formed in the sliding main body, the force-adjusting screw is mounted at the mounting notch, the friction piece is fixed on the sliding main body, a friction surface which is in mutual contact with the friction piece is formed on the inner wall of the support main body, the force-adjusting plate is in threaded connection with the force-adjusting screw, the force-adjusting screw is rotated to enable the force-adjusting plate to move up and down in a force-adjusting cavity, the friction piece is provided with a force-adjusting surface which is in mutual contact with the force-adjusting plate, and the distance between the force-adjusting surface and the force-adjusting screw is gradually shortened along the upward displacement direction of the force-adjusting plate, so that the force-adjusting plate is extruded after rising, and the corresponding friction piece is expanded and extruded on the inner wall of the support main body. According to the utility model, the force adjusting structure is arranged on the lifting device without the sliding rail support, so that the friction force in the lifting process of the lifting device without the sliding rail can be conveniently adjusted.

Description

Lifting force-adjusting structure without sliding rail support

Technical Field

The utility model relates to the technical field of brackets, in particular to a lifting force adjusting structure of a sliding rail-free bracket.

Background

The display support is used for stably mounting and supporting the display, and the display support commonly used in the market has the functions of lifting adjustment and rotating adjustment, so that a user can adjust the position of the display according to the needs of the user.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a lifting force adjusting structure without a sliding rail support.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a do not have lift of slide rail support and transfer power structure, includes support main part, slip main part, accent power screw, accent power board and friction piece, the inside cavity of support main part makes the slip main part slides in the support main part, be equipped with the installation breach on the slip main part, accent power screw installs installation breach department, the friction piece is fixed on the slip main part, be equipped with on the inner wall of support main part with friction piece mutual contact friction's friction face, just the friction piece cooperation installation breach forms accent power cavity, accent power board is in transfer power cavity internal with accent power screw threaded connection, rotates accent power screw makes accent power board can reciprocate in accent power cavity, be equipped with on the friction piece with transfer power board mutual contact complex accent power face, the accent power face is along transfer power board upward displacement's direction with the distance of accent power screw shortens gradually, makes transfer power board after rising extrudees the power face makes corresponding friction piece's extrusion face of friction piece.

Preferably, the support main body further comprises a first cover plate, the first cover plate is fixed at the top of the support main body, a force adjusting hole is formed in the first cover plate, the mounting notch is formed in the top of the sliding main body, the sliding main body slides to the top of the support main body to enable the force adjusting screw to be opposite to the force adjusting hole, the first cover plate can serve as a limiting plate to limit the highest sliding position of the sliding main body, the force adjusting hole is formed in the lower first cover plate, and a user can rotate the force adjusting screw without disassembling the first cover plate, so that friction force between the friction piece and the support main body is adjusted.

Preferably, the support main body further comprises a second cover plate, the second cover plate is detachably mounted on the first cover plate, the second cover plate is a decorative cover plate, sundries such as ash layers and the like can be prevented from falling into the support main body from the force adjusting holes, the sliding of the sliding main body is influenced, and the second cover plate is detachable, so that a user can conveniently detach the second cover plate to adjust friction force.

Preferably, two friction pieces are arranged, the two friction pieces penetrate through the sliding main body through the first fixing screw and the positioning shaft, so that the two friction pieces are fixed on two sides of the sliding main body, and the friction pieces are provided with two friction pieces which can enable the force adjusting plate to be in contact with the force adjusting surface to be more balanced, and position deviation caused by the force on one side of the force adjusting plate and the force adjusting screw is avoided.

Preferably, the fixing position of the first fixing screw is arranged below the mounting notch, and the fixing position of the first fixing screw is arranged below the mounting notch, so that the friction piece can be prevented from being expanded outwards or the force of expanding outwards due to the fastening action of the first fixing screw can be reduced.

Preferably, the positioning shaft is fixedly inserted with a roller, a sliding groove for sliding the roller is formed in the inner wall of the bracket main body, and the positioning shaft is used for being matched with a first fixing screw to install the friction piece on the bracket main body and has the function of installing the roller, so that the bracket main body can slide up and down more smoothly.

Preferably, the friction piece is provided with a plurality of longitudinal elastic flanging and transverse elastic flanging, the length between the two longitudinal elastic flanging which are correspondingly arranged is greater than the longitudinal length of the sliding groove, the length between the two transverse elastic flanging which are correspondingly arranged is greater than the transverse length of the sliding groove, and the friction piece is matched with the sliding groove through the plurality of longitudinal elastic flanging and the transverse elastic flanging, so that the sliding main body is prevented from shaking when sliding in the bracket main body due to the tolerance of the sliding main body and the bracket main body during production and processing.

Preferably, the friction surface is provided with a vertical raised line, the friction piece cooperates the vertical raised line is provided with a vertical groove, and the vertical raised line and the vertical groove can play a role in guiding and preventing the sliding main body and the friction piece from shaking in the bracket main body.

Preferably, the force adjusting surface is a plane which is obliquely arranged, the force adjusting plate is obliquely arranged with the force adjusting flange in contact with the force adjusting surface, the inclined direction of the force adjusting flange is consistent with that of the force adjusting surface, and the force adjusting flange is arranged to be in contact with the force adjusting surface, so that the force adjusting plate can more easily push a friction piece corresponding to the force adjusting surface, and a user can save more labor when rotating the force adjusting screw.

Preferably, the bracket main body is provided with a connecting groove, the sliding main body extends from the connecting groove to the outside of the bracket main body, and the connecting part is used for connecting and fixing the display.

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

1. when the force adjusting plate rotates, the force adjusting screw can move up and down in the force adjusting cavity, and the force adjusting plate extrudes the force adjusting surface as the force adjusting surface is closer to the force adjusting screw, so that the friction piece expands outwards to extrude the friction surface of the support main body when the force adjusting plate moves upwards, the force of the friction piece extruding the friction surface is larger as the force adjusting plate moves upwards, so that the friction force between the friction piece and the support main body is larger, and conversely, the friction force is reduced, so that the lifting force adjusting function of the slide rail-free support is formed.

2. This application is through first apron and second apron cooperation, can protect lift accent power structure, thereby can convenient user dismantle its quick regulation of carrying out frictional force fast again.

3. The fixing structure of the friction piece is improved, and the influence on the normal work of the force adjusting structure is avoided.

4. The roller is arranged on the positioning shaft, the longitudinal elastic flanging and the transverse elastic flanging are arranged, and the vertical convex strips are arranged on the friction surface, so that the sliding main body can slide up and down in the bracket main body more smoothly, and the sliding main body is prevented from shaking in the bracket main body.

Drawings

FIG. 1 is an exploded view of a stent according to an embodiment of the present utility model;

fig. 2 is a perspective view of a stand body according to an embodiment of the present utility model;

FIG. 3 is a schematic top view of a bracket body according to an embodiment of the present utility model;

FIG. 4 is a schematic view in partial cross-section of a stent according to an embodiment of the present utility model;

FIG. 5 is an exploded view of a lifting force-adjusting structure according to an embodiment of the present utility model;

FIG. 6 is a schematic perspective view of a lifting force adjusting structure according to an embodiment of the present utility model;

FIG. 7 is a schematic cross-sectional view of a lifting force-adjusting structure according to an embodiment of the present utility model;

FIG. 8 is a perspective view showing an expanded state of the lifting force adjusting structure according to the embodiment of the present utility model;

FIG. 9 is a schematic cross-sectional view of an expanded state of a lifting force-adjusting structure according to an embodiment of the present utility model;

FIG. 10 is a schematic perspective view of a stand supporting a display at the highest position according to an embodiment of the present utility model;

fig. 11 is a schematic perspective view of a stand supporting a display at a lowest position according to an embodiment of the present utility model.

Wherein, the technical characteristics that each reference sign indicates are as follows:

1. a holder main body; 11. a friction surface; 111. vertical raised strips; 112. a fixing hole; 12. a sliding groove; 121. a longitudinal face; 122. a transverse face; 13. a connecting groove; 14. a first cover plate; 141. a force adjusting hole; 142. a clamping groove; 15. a second cover plate; 151. a buckle; 2. a sliding body; 21. a mounting notch; 22. fixing the position; 23. positioning a shaft; 24. a connection part; 3. a force adjusting screw; 4. a force adjusting plate; 41. force-adjusting flanging; 5. a friction member; 51. force adjusting surfaces; 52. a vertical groove; 53. longitudinal elastic flanging; 54. transverse elastic flanging; 6. a roller; 7. a first set screw; 8. a display.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, but the scope of the present utility model is not limited to the following specific examples.

As shown in fig. 1 to 11, a lifting force adjusting structure of a slide rail-free bracket comprises a bracket main body 1, a sliding main body 2, a force adjusting screw 3, a force adjusting plate 4 and a friction piece 5, wherein the bracket main body 1 is made of an aluminum alloy section, particularly, the bracket main body 1 is made of an extruded aluminum alloy section, so that an internal hollow structure is conveniently and directly formed in the bracket main body 1, when the sliding main body 2 is installed in the bracket main body 1, the sliding main body 2 can slide up and down along the hollow inside of the bracket main body 1, the sliding main body 2 is provided with a mounting notch 21, the force adjusting screw 3 is installed at the mounting notch 21, the friction piece 5 is fixed on the sliding main body 2, the inner wall of the bracket main body 1 is provided with a friction surface 11 which is in contact with the friction piece 5, the friction piece 5 is matched with the mounting notch 21 to form a force adjusting cavity, the force adjusting screw 3 is in the force adjusting cavity, the force adjusting screw 3 is rotated to keep the position of the force adjusting screw 3 against the mounting notch 21, the force adjusting screw 3 is not pushed up by the adjusting screw 3, the force adjusting plate 3 is pushed up by the friction piece 5 along the friction surface 11 which is in the direction of the friction piece 5, the friction piece is pressed down by the friction piece 5, the friction piece 5 is contacted with the friction piece 5, when the friction piece is gradually pressed against the friction piece 51 in the friction piece is contacted with the friction piece 5, the friction piece 5 is pressed against the friction piece 51, and the friction piece is gradually pressed against the friction piece 51, and the friction piece is pressed against the friction piece 3, and the friction piece is pressed to be pressed to the friction piece. The friction piece 5 is expanded outwards to press the friction surface 11 of the bracket main body 1, and the more the force adjusting plate 4 moves upwards, the larger the force of the friction piece 5 pressing the friction surface 11 is, so that the friction force between the friction piece 5 and the bracket main body 1 is larger, otherwise, the friction force is smaller, and the limiting effect of the force adjusting cavity is that of the contact between the force adjusting surface 51 and the force adjusting plate 4.

As shown in fig. 1 to 9, in this embodiment, two friction members 5 are provided, and the two friction members 5 pass through the sliding body 2 through the first fixing screw 7 and the positioning shaft 23, so that the two friction members 5 are fixed on two sides of the sliding body 2, the two friction members 5 respectively rub against the friction surfaces 11 of the bracket body 1 from two sides, so that the stress of the friction members 5 and the sliding body 2 is more balanced, and the two friction members 5 are also provided with two force adjusting surfaces 51, so that the contact stress of the force adjusting plate 4 and the two force adjusting surfaces 51 is more balanced, and the position deviation caused by the stress of the force adjusting plate 4 and the force adjusting screw 3 on one side is avoided.

As shown in fig. 4 and 5, the fixing portion 22 of the first fixing screw 7 is disposed below the mounting notch 21, and since the screws are fastening members, the fixing portion 22 of the first fixing screw 7 is disposed below the mounting notch 21 to avoid the friction member 5 from expanding outwardly or being reduced in force due to the fastening of the first fixing screw 7, and also to avoid the positioning shaft 23 from affecting the expansion and deformation of the friction member 5, the positioning shaft 23 is disposed in a region away from the mounting notch 21, and as shown in fig. 5, the positioning shaft 23 is provided in plurality and disposed on the front side and the lower side of the mounting notch 21.

As shown in fig. 3, 5 and 6, the positioning shaft 23 is fixedly inserted with a roller 6, a sliding groove 12 for sliding the roller 6 is formed on the inner wall of the bracket main body 1, and the positioning shaft 23 is used for installing the friction member 5 on the sliding main body 2 in cooperation with the first fixing screw 7, and has a function of installing the roller 6, so that the sliding main body 2 can slide up and down in the bracket main body 1 more smoothly by installing the roller 6.

As shown in fig. 3 to 9, because there is tolerance between the sliding main body 2 and the support main body 1 during the production and processing, in order to avoid the sliding main body 2 from swinging when sliding in the support main body 1, a plurality of longitudinal elastic flanges 53 and transverse elastic flanges 54 are provided on the friction piece 5, the length between the corresponding two longitudinal elastic flanges 53 is greater than the longitudinal length of the sliding groove 12, the length between the corresponding two transverse elastic flanges 54 is greater than the transverse length of the sliding groove 12, when the sliding main body 2 and the friction piece 5 are installed in the support main body 1, two oppositely arranged longitudinal elastic flanges 53 can elastically prop against two longitudinal surfaces 121 of the sliding groove 12, as shown in fig. 6 and 7, and the two oppositely arranged longitudinal elastic flanges 53 are also provided with a plurality of groups, as shown in the drawings of the application, the embodiment of the application sets of two relatively arranged longitudinal elastic flanges 53 are respectively arranged at the upper end and the lower end of the friction piece 5, so as to avoid the sliding main body 2 and the support main body 1 from swinging longitudinally, as shown in fig. 6 and 7, two oppositely arranged opposite side flanges 54 can also prop against the sliding main body 2, and the two oppositely arranged transverse elastic flanges 54 are also provided with two oppositely arranged side flanges 5, and the two oppositely arranged side flanges 54 are also provided with the transverse elastic flanges 54 are respectively, as shown in the two opposite sides of the application sets of the sliding main body 5, and the two opposite sides are provided with the transverse elastic flanges 54 are respectively. And the friction piece 5 is provided with functional groove bodies at the positions of the longitudinal elastic flanging 53 and the transverse elastic flanging 54, and the elasticity of the longitudinal elastic flanging 53 and the transverse elastic flanging 54 is improved through the functional groove bodies.

As shown in fig. 3 to 6, the friction surface 11 is provided with a vertical raised line 111, the friction piece 5 is matched with the vertical raised line 111 to be provided with a vertical groove 52, and the vertical raised line 111 and the vertical groove 52 can play a role in guiding and preventing the sliding body 2 and the friction piece 5 from shaking in the bracket body 1. And the vertical protruding strips 111 can also be used for forming fixing holes 112, and other parts can be fixed through the fixing holes 112.

The force adjusting surface 51 is a plane which is obliquely arranged, the force adjusting plate 4 is obliquely arranged with the force adjusting flange 41 in contact with the force adjusting surface 51, the oblique direction of the force adjusting flange 41 is consistent with that of the force adjusting surface 51, and the force adjusting flange 41 is obliquely arranged to be in contact with the oblique force adjusting surface 51, so that the force adjusting plate 4 can more easily push the friction piece 5 corresponding to the force adjusting surface 51, and a user can save more labor when rotating the force adjusting screw 3.

The support main body 1 still includes first apron 14, first apron 14 passes through the second fixed screw to be fixed at the top of support main body 1, as shown in fig. 1 and 3, fixed orifices 112 and second fixed screw cooperation are fixed first apron 14, be equipped with the accent power hole 141 on the first apron 14, the installation breach 21 sets up the top of sliding main body 2, sliding main body 2 slides extremely support main body 1 top makes accent power screw 3 with accent power hole 141 is relative, first apron 14 can be as the limiting plate, and the highest position of limiting sliding main body 2 upper slide sets up accent power hole 141 on the lower first apron 14, can make the user just can rotate accent power screw 3 under the circumstances of not dismantling first apron 14 to adjust the frictional force between friction member 5 and the support main body 1.

The support main body 1 still includes second apron 15, second apron 15 detachably installs on the first apron 14, as shown in fig. 1 and 4, be equipped with draw-in groove 142 on first apron 14, be equipped with buckle 151 on second apron 15, second apron 15 is installed on first apron 14 through the detachable connection structure of buckle 151 and draw-in groove 142, second apron 15 is the decoration apron, still can avoid debris such as ash layer to drop in support main body 1 from adjusting the power hole 141, influence the slip about the slip main body 2, second apron 15 sets up to detachable, thereby the work that makes the user can conveniently pull down second apron 15 thereby carry out the regulation of frictional force.

As shown in fig. 1, 10 and 11, the bracket body 1 is provided with a connecting groove 13, the sliding body 2 extends from the connecting groove 13 to the outside of the bracket body 1, and the connecting portion 24 is used for connecting and fixing the display 8.

Variations and modifications to the above would be obvious to persons skilled in the art to which the utility model pertains from the foregoing description and teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not constitute any limitation on the utility model.

Claims

1. The utility model provides a lift of no slide rail support transfers power structure, its characterized in that includes support main part (1), slip main part (2), transfer power screw (3), transfer power board (4) and friction piece (5), the inside cavity of support main part (1) makes slip main part (2) slide in support main part (1), be equipped with mounting notch (21) on slip main part (2), transfer power screw (3) are installed mounting notch (21) department, friction piece (5) are fixed on slip main part (2), be equipped with on the inner wall of support main part (1) with friction surface (11) of friction piece (5) mutual contact friction, friction piece (5) cooperation mounting notch (21) form the transfer power cavity, transfer power board (4) are in transfer power cavity and transfer power screw (3) threaded connection, rotate transfer power screw (3) make transfer power board (4) can the displacement down in transfer power cavity, friction piece (5) are equipped with on the inner wall of friction piece (1) with transfer power (4) and transfer power board (4) contact with each other and transfer power (51) make the transfer power of transfer power board (4) and the face of transferring power (51) along the direction of transfer power that the upper surface (51) is contacted, the friction surface (11) of the bracket main body (1) is extruded by expanding the corresponding friction piece (5).

2. The lifting force adjusting structure of the slide rail-free support according to claim 1, wherein the support body (1) further comprises a first cover plate (14), the first cover plate (14) is fixed at the top of the support body (1), a force adjusting hole (141) is formed in the first cover plate (14), the mounting notch (21) is formed in the top of the sliding body (2), and the sliding body (2) slides to the top of the support body (1) so that the force adjusting screw (3) is opposite to the force adjusting hole (141).

3. The lifting and force-adjusting structure of a slide rail-free bracket according to claim 2, characterized in that the bracket body (1) further comprises a second cover plate (15), the second cover plate (15) being detachably mounted on the first cover plate (14).

4. The lifting force adjusting structure of the sliding rail-free bracket according to claim 1, wherein two friction pieces (5) are arranged, and the two friction pieces (5) penetrate through the sliding main body (2) through a first fixing screw (7) and a positioning shaft (23), so that the two friction pieces (5) are fixed on two sides of the sliding main body (2).

5. The lifting and force adjusting structure of the sliding rail-free bracket according to claim 4, characterized in that the fixing position (22) of the first fixing screw (7) is arranged below the mounting notch (21).

6. The lifting force-adjusting structure of the slide rail-free bracket according to claim 4, wherein the positioning shaft (23) is fixedly inserted with a roller (6), and a sliding groove (12) for sliding the roller (6) is formed on the inner wall of the bracket main body (1).

7. The lifting force-adjusting structure of the sliding rail-free support according to claim 6, wherein the friction piece (5) is provided with a plurality of longitudinal elastic flanges (53) and transverse elastic flanges (54), the length between the two corresponding longitudinal elastic flanges (53) is larger than the longitudinal length of the sliding groove (12), and the length between the two corresponding transverse elastic flanges (54) is larger than the transverse length of the sliding groove (12).

8. The lifting force-adjusting structure of the sliding rail-free support according to claim 1, wherein the friction surface (11) is provided with a vertical raised line (111), and the friction piece (5) is provided with a vertical groove (52) in cooperation with the vertical raised line (111).

9. The lifting force adjusting structure of the slide rail-free support according to claim 1, wherein the force adjusting surface (51) is a plane which is obliquely arranged, a force adjusting flange (41) which is obliquely arranged is arranged in contact with the force adjusting surface (51) of the force adjusting plate (4), and the oblique direction of the force adjusting flange (41) is consistent with the force adjusting surface (51).

10. The lifting force adjusting structure of the slide rail-free support according to claim 1, wherein a connecting groove (13) is formed in the support main body (1), a connecting portion (24) extends out of the support main body (1) from the connecting groove (13) to the sliding main body (2), and the connecting portion (24) is used for connecting and fixing a display (8).