CN220303286U - Lifting screen - Google Patents

Abstract

The utility model relates to the technical field of imaging, in particular to a lifting screen. A lift screen comprising: the clamping grooves are distributed on at least one side edge of the fixing base; the screen assembly is assembled on the fixed seat in a sliding way; the locking piece is fixed on the screen assembly, the locking end of the locking piece is provided with at least three clamping teeth, and the clamping teeth are inserted into the clamping grooves to lock the position of the screen assembly on the fixing seat; and one end of the coil spring is fixed with the fixing seat, and the coil spring provides supporting force for the screen assembly. The technical problems of complex structure and poor stability of a screen lifting structure in the prior art are solved.

Description

Lifting screen

Technical Field

The utility model relates to the technical field of imaging, in particular to a lifting screen.

Background

A screen is an appliance for displaying images and colors, also called a display screen, which is a window where a person interacts with a computer, and all visual operations are presented through the screen. The screen in the prior art is often set as a liftable screen so as to meet the use requirement of a user.

The utility model discloses a screen lifter as in the file of application number CN202120393329.4, elevating system includes the sliding plate, the top fixedly connected with of sliding plate is in rotary mechanism's bottom, the bottom of sliding plate is provided with the spout, the front of spout is provided with the slip gyro wheel, slip gyro wheel and spout sliding connection, the bottom fixedly connected with linking piece of slip gyro wheel, the right side fixedly connected with of spout bottom goes up fixed linking piece, the left side at shrink removal subassembly top is provided with the slide rail, the front of slide rail is provided with the roller bearing, the right side at shrink removal subassembly top is provided with the hydraulic pump, the right side of hydraulic pump is provided with fixed linking piece down, the bottom fixedly connected with quadrilateral stretching frame between linking piece and the opposite side of last fixed linking piece, the top and the bottom fixed connection of quadrilateral stretching frame between the opposite side of roller bearing and lower fixed linking piece, the top fixedly connected with of sliding plate is in the bottom of lower linking piece, the hydraulic pump can control the roller bearing and make a round trip on the slide rail, thereby drive quadrilateral stretching frame's elevating movement.

In the above-mentioned application, adopt the hydraulic pump to drive the roller bearing and slide, and then control the tensile frame elevating movement of quadrangle, realize the lift of screen, but the structure is complicated, and is bulky, and the tensile frame of quadrangle is too high like the rising, takes place to rock easily, and is unstable to the support of screen.

Disclosure of Invention

In order to solve the technical problems of complex structure and poor stability of a screen lifting structure in the prior art, the utility model provides a lifting screen, and solves the technical problems.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a lifting screen, comprising:

the clamping grooves are distributed on at least one side edge of the fixing base;

the screen assembly is assembled on the fixed seat in a sliding way;

the locking piece is fixed on the screen assembly, the locking end of the locking piece is provided with at least three clamping teeth, and the clamping teeth are inserted into the clamping grooves to lock the position of the screen assembly on the fixing seat;

and one end of the coil spring is fixed with the fixing seat, and the coil spring provides supporting force for the screen assembly.

According to one embodiment of the utility model, the middle part of the fixing seat is concaved inwards to form a long groove, a sliding rail is arranged in the long groove, a sliding block is fixed on the screen assembly, and the sliding block slides along the sliding rail.

According to one embodiment of the utility model, the back of the screen assembly is equipped with a fixed bracket on which the slider is mounted.

According to one embodiment of the utility model, the fixing support is a U-shaped support, two ends of an opening of the fixing support are extended to form fixing outer edges, the fixing outer edges are fixedly connected with the screen assembly, the sliding block is assembled on the outer surface of the middle part of the fixing support, the middle part of the fixing support extends into the long groove, and the coil spring is assembled inside the fixing support.

According to one embodiment of the utility model, a coil spring seat is assembled in the fixed support, the coil spring is assembled on the coil spring seat, and one end of the coil spring penetrates through a gap between the coil spring seat and the fixed support and is fixedly connected with the top end of the sliding rail.

According to one embodiment of the utility model, the locking piece is assembled on the back of the screen assembly through the mounting seat, the locking piece is assembled on the mounting seat in a hinged mode through the hinge shaft, a torsion spring is arranged on the hinge shaft, and the locking end of the locking piece is kept to be inserted into the clamping groove under the action of the torsion spring.

According to one embodiment of the utility model, the torsion spring is of a double torsion spring structure formed by one metal wire, and the torsion springs are symmetrically arranged on the hinge shaft.

According to one embodiment of the utility model, the other end of the locking piece far away from the locking end forms a pressing part, and when the pressing part is pressed, the locking end can deflect to be separated from the clamping groove.

According to one embodiment of the utility model, the clamping grooves are arranged parallel to the sliding rail, and the clamping grooves are long holes.

Based on the technical scheme, the utility model has the following technical effects:

according to the lifting screen, the screen assembly is assembled on the fixed seat in a sliding manner, and is lifted along the fixed seat, and when the screen assembly slides to a required height, the latch at the locking end of the locking piece can be inserted into the clamping groove on the fixed seat, so that the position of the screen assembly on the fixed seat is fixed; in addition, a coil spring is arranged between the fixed seat and the screen assembly, the coil spring can provide tension for the screen assembly, and a certain tension is always maintained when the screen assembly slides up and down, so that the screen assembly cannot fall due to weight, a hovering state is maintained, the up and down movement of the screen assembly can be realized only by applying smaller force, and compared with a lifting structure in the prior art, the lifting structure of the screen assembly has small volume, a user can adjust the lifting of the screen assembly to a required height by using smaller external force, a driving structure such as a hydraulic cylinder is not required, parts are saved, and the volume is reduced;

according to the lifting type screen, the screen assembly and the fixed seat are matched through the sliding blocks and the sliding rails, so that the sliding direction of the screen assembly along the fixed seat can be limited, and the screen assembly cannot shake relative to the fixed seat; the middle part of the fixing seat is concaved inwards to form a long groove, the sliding rail is arranged in the long groove, the fixed bracket fixedly assembled on the screen assembly extends into the long groove, the sliding block is matched with the sliding rail, the coil spring is arranged in the fixed bracket, the size of the fixing seat can be greatly reduced through the arrangement, and the sliding rail, the sliding block, the fixed bracket and the coil spring are all arranged in the long groove of the fixing seat, so that the installation size is greatly reduced;

according to the lifting screen, the locking piece is deflected and assembled on the back surface of the screen assembly, the double torsion springs are arranged on the hinge shafts, and under the action of the double torsion springs, the locking ends of the locking piece can be kept inserted into the clamping grooves, so that the position locking effect on the screen assembly is achieved; the symmetrical arrangement of the double torsion springs also ensures the balance of the forces on the locking piece, and the two ends of the locking piece cannot deviate; the other end of retaining member that keeps away from the locking end is pressing part, through pressing the pressing part, can make the locking end break away from the draw-in groove, can adjust the height of screen assembly, after adjusting in place, unclamp pressing part, the locking end can insert in the draw-in groove under the effect of torsional spring, locks the position of screen assembly.

Drawings

FIG. 1 is a front view of a lift screen of the present utility model;

FIG. 2 is a perspective view of a lift screen;

FIG. 3 is a rear view of a lift screen;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is a schematic view of a structure of a slide rail assembled on a fixed seat;

FIG. 6 is a schematic view of the structure of the rear mounting bracket, retaining member and coil spring of the screen assembly;

FIG. 7 is a schematic view of the structure of a coil spring assembled inside a fixed bracket;

FIG. 8 is a schematic view of the locking member assembled to the mounting base;

FIG. 9 is a schematic view of the latch assembly in another view of the mount;

FIG. 10 is a schematic view of the structure of the locking member;

in the figure: 1-a fixed seat; 11-clamping grooves; 2-a screen assembly; 3-locking members; 31-latch; 32-a pressing part; 33-connecting lugs; 4-coil springs; 41-end; 5-sliding rails; 51-a fixing member; 6-sliding blocks; 7-fixing a bracket; 71-fixing the outer edge; 8-coil spring seats; 9-mounting seats; 91-hinge shaft; 10-torsion spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

As shown in fig. 1 to 10, the present embodiment provides a lifting type screen, which includes a fixing base 1 and a screen assembly 2, wherein the screen assembly 2 is vertically slidably assembled on the fixing base 1, and the screen assembly 2 can be slidably lifted along the fixing base 1.

The fixing seat 1 is vertically arranged, the middle part of the fixing seat 1 is inwards recessed to form a long groove, a sliding rail 5 is arranged in the long groove, and the sliding rail 5 vertically extends; at least one of the two sides of the fixing seat 1 is provided with clamping grooves 11, the clamping grooves 11 are arranged along the height direction, the clamping grooves 11 are arranged corresponding to the sliding rail sliding block structure, the screen assembly 2 moves from the lowest point to the highest point of the sliding rail 5 along the fixing seat 1, and the locking pieces 3 can be inserted into the clamping grooves 11 to lock the position of the screen assembly 2.

As a preferable technical solution of this embodiment, the clamping groove 11 is a long hole, and may be specifically configured as a square hole, where a plurality of clamping grooves 11 are vertically arranged, and the long side of a single clamping groove 11 extends horizontally.

The front of the screen assembly 2 is a rectangular screen, the back of the screen assembly 2 is slidably assembled on the fixed seat 1, specifically, a fixed support 7 is fixed on the back of the screen assembly 2, a sliding block 6 is assembled on the fixed support 7, and the sliding block 6 is slidably assembled on the sliding rail 5.

As a preferred technical scheme of the embodiment, the fixing bracket 7 is a U-shaped bracket, two ends of an opening of the fixing bracket 7 are extended with fixing outer edges 71, and the fixing outer edges 71 can be clung to the back surface of the screen assembly 2 and fixed with the screen assembly 2; the slide block 6 is fixed on the outer surface of the middle part of the fixed support 7, and when the fixed support is assembled, the middle part of the fixed support 7 extends into the long groove, and the slide block 6 is in sliding fit with the slide rail 5.

The locking member 3 is mounted on the back of the screen assembly 2 in a deflectable manner, specifically, the back of the screen assembly 2 is fixed with a mounting seat 9, the locking member 3 is hinged on the mounting seat 9, a locking end of the locking member 3 is formed with a latch 31, and the latch 31 can be inserted into the latch groove 11 to lock the position of the screen assembly 2 on the fixing seat 1.

As a preferable technical solution of the present embodiment, the locking end of the locking member 3 is formed with at least three latches 31, and when the locking position is achieved, all the latches 31 are inserted into the slots 11 in a corresponding manner, thereby achieving the locking of the position.

As a preferable technical scheme of this embodiment, the other end of the locking member 3 far away from the locking end is formed with a pressing portion 32, and when unlocking, the pressing portion 32 can be pressed, so that the locking end of the locking member 3 deflects away from the clamping groove 11, and contacts the locking effect of the locking member 3 on the screen assembly 2.

As a preferred technical solution of this embodiment, a bending structure is formed in the middle of the locking member 3, two parallel connection lugs 33 are formed at the bending structure, two parallel hinge lugs are correspondingly formed on the mounting base 9, and the hinge shaft 91 passes through the two connection lugs 33 and the two hinge lugs to hinge and assemble the locking member 3 on the mounting base 9.

As a preferred solution of the present embodiment, the hinge shaft 91 is provided with a torsion spring 10, and the latch 31 of the locking end of the locking member 3 can be kept inserted into the latch groove 11 by the action of the torsion spring 10. Preferably, the torsion spring 10 is a double torsion spring structure made of one wire, and the torsion spring 10 is symmetrically assembled on the hinge shaft 91, thereby ensuring the balanced acting force on the locking member 3.

In order to ensure that the screen assembly 2 cannot fall due to weight in the adjusting process, a coil spring 4 is further arranged between the fixing base 1 and the screen assembly 2, the coil spring 4 is assembled on the screen assembly 2, one end of the coil spring 4 is fixed with the fixing base 1, and the coil spring 4 can provide supporting force for the screen assembly.

As a preferable technical scheme of the present embodiment, the coil spring 4 is assembled inside the fixing bracket 7, and one end 41 of the coil spring 4 is fixed to the fixing base 1. Specifically, the coil spring 4 is assembled in the fixed support 7 through the coil spring seat 8, the coil spring seat 8 is fixedly connected with two side walls of the fixed support 7, a gap exists between the coil spring seat 8 and the inner bottom surface of the fixed support 7, the coil spring 4 is assembled on the coil spring seat 8, one end of the coil spring 4 extends out from the gap between the coil spring seat 8 and the inner bottom surface of the fixed support 7, and the end 41 is fixedly connected with the top end of the sliding rail 5. Preferably, the top end of the slide rail 5 is fixed with a fixing member 51, and the end 41 of the coil spring 4 is fixedly connected with the fixing member 51. When the screen assembly 2 slides up and down along the fixing seat 1, the coil spring 4 can be stretched or contracted, the coil spring 4 can maintain a certain tensile force, and the tensile force is slightly larger than the weight of the screen assembly 2, so that even under the condition that the locking piece 3 is separated from the clamping groove 11, the screen assembly 2 cannot fall down due to the weight of the screen assembly 2, but remains in a hovering state, and a user can realize the up-and-down movement of the screen assembly 2 only by a small external force.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present utility model.

Claims (9)

1. A lift screen comprising:

the fixing seat (1), at least one side of the fixing seat (1) is provided with a clamping groove (11);

the screen assembly (2) is slidably assembled on the fixed seat (1);

the locking piece (3), the locking piece (3) is fixed on the screen assembly (2), at least three clamping teeth (31) are formed at the locking end of the locking piece (3), and the clamping teeth (31) are inserted into the clamping grooves (11) to lock the position of the screen assembly (2) on the fixing seat (1);

the spring (4), one end of spring (4) with fixing base (1) is fixed, spring (4) provide holding power for screen assembly (2).

2. The lifting screen according to claim 1, wherein the middle part of the fixing seat (1) is concave to form a long groove, a sliding rail (5) is arranged in the long groove, a sliding block (6) is fixed on the screen assembly (2), and the sliding block (6) slides along the sliding rail (5).

3. A lifting screen according to claim 2, characterized in that the back of the screen assembly (2) is equipped with a fixed bracket (7), the slider (6) being fitted on the fixed bracket (7).

4. A lifting screen according to claim 3, wherein the fixing support (7) is a U-shaped support, two ends of an opening of the fixing support (7) are extended with fixing outer edges (71), the fixing outer edges (71) are fixedly connected with the screen assembly (2), the sliding block (6) is assembled on the outer surface of the middle part of the fixing support (7), the middle part of the fixing support (7) extends into the long groove, and the coil spring (4) is assembled inside the fixing support (7).

5. A lifting screen according to claim 4, characterized in that the fixed bracket (7) is internally provided with a coil spring seat (8), the coil spring (4) is assembled on the coil spring seat (8), and one end of the coil spring (4) passes through a gap between the coil spring seat (8) and the fixed bracket (7) and is fixedly connected with the top end of the sliding rail (5).

6. A lifting screen according to claim 1, characterized in that the locking member (3) is assembled on the back of the screen assembly (2) through a mounting seat (9), the locking member (3) is assembled on the mounting seat (9) through a hinge shaft (91), a torsion spring (10) is arranged on the hinge shaft (91), and under the action of the torsion spring (10), the locking end of the locking member (3) is kept inserted into the clamping groove (11).

7. A lifting screen as claimed in claim 6, wherein the torsion spring (10) is a double torsion spring structure formed by a single wire, and the torsion spring (10) is symmetrically arranged on the hinge shaft (91).

8. A lifting screen according to claim 1, wherein the other end of the locking member (3) far from the locking end forms a pressing part (32), and the locking end can deflect away from the clamping groove (11) when the pressing part (32) is pressed.

9. A lifting screen according to claim 2, characterized in that the clamping grooves (11) are arranged parallel to the sliding rail (5), and the clamping grooves (11) are long holes.