CN220061166U - A lifting mechanism and mobile display stand - Google Patents

Abstract

The utility model relates to the technical field of voting display screen display, in particular to a lifting mechanism and a movable display table, wherein a protective shell, a support plate arranged in the protective shell, a cover plate arranged on the end face of the protective shell and a universal wheel lifting assembly arranged on the end face of the protective shell are arranged; and the limiting assembly comprises a handle arranged on the outer wall of the protective housing, the clamping assembly comprises a fixed block arranged on the end face of the supporting table and a bolt arranged inside the fixed block, lifting of the supporting table is realized through the lifting assembly, a display screen on the supporting table can be stored into the protective housing in a non-working state, the cover plate is turned over, a protective device is formed, and meanwhile, the situation that fluctuation or falling cannot occur in use can be guaranteed through the limiting assembly.

Description

A lifting mechanism and mobile display stand

Technical field

The utility model is in the technical field of display stands, in particular to a lifting mechanism and a mobile display stand.

Background technique

The electronic ballot box is a voting detection device that intelligently classifies voting data and counts timely. The existing technical problems are: the surface display screen of the existing portable smart ballot box is easily damaged during transportation and handling, and lacks certain Mobile display stands, while most of the existing display screens are fixed and cannot be folded and stored. As a result, during handling and transportation, the top is uneven, difficult to stack and easy to bump, which increases maintenance and usage costs.

Utility model content

The purpose of this section is to outline some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section, the abstract and the utility model title of this application to avoid obscuring the purpose of this section, the abstract and the utility model title, and such simplifications or omissions cannot be used to limit the utility model. range.

In view of the above or the problem of inconvenient storage in the prior art, the present utility model is proposed.

Therefore, the purpose of this utility model is to provide a lifting mechanism.

Protective case, a support plate provided inside the protective case, a cover plate provided on the end face of the protective case, and a universal wheel provided on the end face of the protective case

The lifting assembly includes a support platform located inside the protective shell; and,

The limiting component includes a handle provided on the outer wall of the protective shell.

As a preferred solution of the lifting mechanism of the present invention, a boss is provided on the end surface of the support plate, a screw is provided inside the protective shell, a first sliding rod is provided on the end surface of the support platform, and a first sliding rod is provided on the end surface of the protective shell. Equipped with a second slider.

As a preferred solution of the lifting mechanism of the present invention, the outer wall of the first sliding rod is provided with a first moving block, the outer wall of the second sliding rod is provided with a second moving block, and the outer wall of the second moving block rotates A first rotating rod is provided, and the other end of the first rotating rod is rotationally connected to the support platform. The outer wall of the first moving block is rotationally provided with a second rotating rod, and the other end is rotationally connected to the inner wall of the protective shell.

As a preferred solution of the lifting mechanism of the present invention, a long plate is provided on the outer wall of the screw.

As a preferred solution of the lifting mechanism of the present invention, the end surface of the handle is provided with a rotating shaft, and the rotating shaft extends to the inside of the protective shell and is connected to the screw rod, the first elastic member is provided inside the handle, and the first elastic member is provided inside the handle. through hole.

As a preferred solution of the lifting mechanism of the present invention, an extrusion rod is provided at both ends of the through hole, a first limit block is provided on the outer wall of the extrusion rod, and a limit plate is provided inside the handle.

As a preferred solution of the lifting mechanism of the present invention, an inclined groove is provided inside the limiting plate for sliding of the first limiting block.

Beneficial effects of the lifting mechanism of the present utility model: The utility model realizes the lifting of the support table through the lifting assembly, and can realize that in the non-working state, the display screen on the support table can be accommodated inside the protective shell, and the cover plate can be turned over to form a mobile Display stand, and the limiter component can ensure that it will not fluctuate or fall during use.

In view of the fact that during actual use, there is also the problem of clamping of the voting display screen.

In order to solve the above technical problems, the present invention also provides the following technical solution: a mobile display stand includes a clamping assembly, including a fixed block provided on the end surface of the support table and a bolt provided inside the fixed block.

As a preferred solution of the mobile display stand of the present invention, the end surface of the support stand is provided with a voting display screen, the fixed block is provided with a first movable channel and a second movable channel respectively, and one end of the bolt is provided with a voting display screen. Knob, the outer wall of the bolt is provided with a disc.

As a preferred solution of the mobile display stand of the present invention, a push rod is slidably provided inside the second movable channel, the outer wall of the push rod is provided with a circular groove for the disc to rotate, and the push rod is close to the voting One end of the display screen is provided with a tooth surface.

The beneficial effects of the mobile display stand of this utility model are: the clamping assembly replaces the traditional bolt fixation. When the voting display screen is damaged or needs to be repaired, it can be quickly disassembled and installed quickly, which solves the problem of multiple replacement of bolts and the difficulty in the later stage. problem of use.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present utility model more clearly, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model. , for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative labor. in:

Figure 1 is a schematic diagram of the overall appearance of the utility model.

Figure 2 is a schematic diagram of the internal structure of the protective case of the present invention.

Figure 3 is an exploded schematic diagram of the limiting component of the present invention.

Figure 4 is an enlarged schematic diagram of C of the present utility model.

Detailed ways

In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation modes of the present invention will be described in detail below in conjunction with the accompanying drawings.

Many specific details are set forth in the following description in order to fully understand the present utility model. However, the present utility model can also be implemented in other ways different from those described here. Those skilled in the art can implement the utility model without violating the connotation of the present utility model. Similar generalizations are made under different circumstances, so the present utility model is not limited by the specific embodiments disclosed below.

Secondly, "one embodiment" or "an embodiment" referred to herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. "In one embodiment" appearing in different places in this specification does not all refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

Example 1

Referring to Figures 1 to 4, a first embodiment of the present invention is shown. This embodiment provides a lifting mechanism, and the support platform 101 is lifted and lowered through the lifting assembly 100, thereby displaying internal items to the outside.

Specifically, protective case A, a support plate A-1 provided inside the protective case A, a cover plate A-2 provided on the end surface of the protective case A, and a universal wheel A provided on the end surface of the protective case A. -3

The lifting assembly 100 includes a support platform 101 located inside the protective shell A; and,

The limiting component 200 includes a handle 201 provided on the outer wall of the protective shell A.

The end surface of the support plate A-1 is provided with a boss A-4, the protective case A is provided with a screw rod 102, the end surface of the support platform 101 is provided with a first sliding rod 103, and the protective case A is provided with a third slide rod 103. Two sliders 104.

Among them, the support plate A-1 is fixed inside the protective case A; the cover plate A-2 is symmetrically provided with two hinges with the outer wall of the protective case A through hinges; the universal wheel A-3 is on the outer side of the protective case A. There are four casters at the bottom. The caster A-3 used here is a caster with a lockable function.

Preferably, the outer wall of the first sliding rod 103 is provided with a first moving block 105, the outer wall of the second sliding rod 104 is provided with a second moving block 106, and the outer wall of the second moving block 106 is provided with a first rotating rod. 107. The other end of the first rotary rod 107 is rotatably connected to the support platform 101. The second rotary rod 108 is rotatably provided on the outer wall of the first moving block 105, and the other end is rotatably connected to the inner wall of the protective shell A.

Among them, the support platform 101 has a U-shaped structure, and a first sliding rod 103 is fixedly connected between the two protruding sides, and two first sliding rods 103 are symmetrically provided; the outer wall of the first sliding rod 103 is provided with a sliding sliding rod. A moving block 105, the other end of the second rotating rod 108 that can rotate on the outer wall of the two first moving blocks 105 is rotationally connected to the rear inner wall of the protective shell A; similarly, the second sliding rod 104 is fixed on the inner wall of the protective shell A, And there are two symmetrically arranged first moving blocks 105 which are slidably arranged on the outer wall. The other end of the first rotating rod 107 which is rotated on the outer wall of the first sliding block 105 is rotationally connected with the lower surface of the support platform 101; the first rotating rod 107 is connected with the lower surface of the supporting platform 101. The second rotating rod 108 is rotationally connected in the middle position.

A long plate 109 is provided on the outer wall of the screw 102 . Both ends of the long plate 109 are fixedly connected to the two moving blocks 105 on the outer wall of the second slide rod 104, and the screw 102 passes through the long plate 109. The contact surface between the long plate 109 and the screw 102 is provided with threads that mesh with the outer wall of the screw, and The screw rod 102 is mounted inside the boss A-4, and the other end extends to the outside of the protective shell A and can rotate.

In summary, when it is necessary to use it, push the whole device to the appropriate position, then flip the two cover plates A-2 to the side walls, and then shake the screw 102. The screw 102 is driven by thread engagement to move the long plate 109 toward Pushed internally, the long plate 109 drives the two second moving blocks 105 to slide, pushing the first rotating rod 107 and the second rotating rod 108 to rotate with each other, lifting the support platform 101 and exposing it to the outside of the protective shell A, thereby achieving The interior fixtures are revealed on the outside.

When it is no longer needed, flip the screw 102 to retract the support table 101 into the interior of the protective shell A, and then flip and close the two covers A-2, so that the contents inside will not be lost during transportation.

Example 2

Referring to Figures 1 to 4, a second embodiment of the present invention is shown. Different from the previous embodiment, this embodiment provides a limiting component 200 to solve the problem of possible sliding or sliding when the support platform 101 is raised. question.

Specifically, a rotating shaft 201a is provided on the end surface of the handle 201, and the rotating shaft 201a extends to the inside of the protective shell A to be connected with the screw 102. A first elastic member 202 is provided inside the handle 201, and a through hole 201b is provided inside the handle 201. .

An extrusion rod 203 is provided at both ends of the through hole 201b. A first limiting block 203a is provided on the outer wall of the extrusion rod 203. A limiting plate 204 is provided inside the handle 201.

The limiting plate 204 is provided with an inclined groove 204a inside which the first limiting block 203a can slide.

Among them, a rotating shaft 201a is fixedly connected to the side of the handle 201 close to the protective shell A, and the rotating shaft 201a is fixedly connected to the screw 102; the first elastic member 202 inside the through hole 201b inside the handle 201 is a compression spring, and the two ends are fixedly connected to the extrusion rod 102. The pressing rod 203 extends to the outside of the handle 201. The outer wall of the pressing rod 203 is fixed with a first limiting block 203a. The first limiting block 203a passes through the chute 204a. The chute 204a is inclined upward. groove, in order to lift or drop the limiting plate 204 when the extrusion rod 203 moves; at the same time, the protective shell A is provided with two holes on the side close to the handle 201, which are adapted to the limiting plate 204.

To sum up, when it is necessary to use it, the operator first flips the two covers A-2, and then squeezes the two extrusion rods 203 at the same time. The two extrusion rods 203 move inward at the same time, extruding the first elastic member 202 , while moving, the first limiting block 203 moves along the chute 204a, pulling out the limiting plate 204 from the hole on the surface of the protective case A, then rotating the handle 201, driving the screw 102 to rotate, and then pushing the first rotating rod 107 and the second rotating rod 108 are cross-rotated to raise the support platform 101 to a suitable position, release the two extrusion rods 203, the first elastic member 202 pops up the two extrusion rods 203, and then the first The limiting block 203a moves along the inside of the chute 204a, and then the limiting plate 204 falls back into the hole of the protective shell A to limit the rotation of the screw 102, and at the same time realize the movement of the long plate 109, thereby achieving the height stability of the support platform 101; when When storage is needed, squeeze the two extrusion rods 203 and reverse to store the support table 101 inside the protective case A, and then cover the cover A-2 to achieve storage and protection.

Example 3

Referring to Figures 1 to 4, a third embodiment of the present invention is shown. Different from the previous embodiment, this embodiment provides a clamping assembly 300 to clamp the voting display screen B on the upper surface of the support platform 101.

Specifically, the clamping assembly 300 includes a fixed block 301 provided on the end surface of the support platform 101 and a bolt 302 provided inside the fixed block 301 .

The end face of the support platform 101 is provided with a voting display screen B. The fixed block 301 is provided with a first movable channel 301a and a second movable channel 301b respectively. One end of the bolt 302 is provided with a knob 302a. The outer wall of the bolt 302 is provided with a knob 302a. There is disc 302b.

A push rod 303 is slidably provided inside the second movable channel 301b. The outer wall of the push rod 303 is provided with a circular groove 303a for the rotation of the disc 302b. One end of the push rod 303 close to the voting display screen B is provided with a tooth surface. .

Among them, the fixed block 301 is fixed on the upper surface of the support platform 101; the first movable channel 301a has threads inside it that are intended to mesh with the threads on the outer wall of the bolt 302; the disk 302b is fixed on the outer wall of the bolt 302; the second movable channel 301b has a sliding pusher inside. The rod 303 has a bump inside the second movable channel, and a keyway on the outer surface of the push rod 303. The bump can slide in the keyway, thereby ensuring that the push rod 303 slides back and forth in one direction along the inside of the second movable channel 301b. , while the disc 302b extends to the inside of the circular groove 303a; both sides of the voting display screen B are provided with clamping components 300, and the two interact to clamp the voting display screen B.

To sum up, when the voting display screen B on the upper surface of the support plate 101 needs to be inspected or repaired, you only need to rotate the knob 302a, and the bolt 302 moves outward. At the same time, the disc 302b rotates along the circular groove 303a, and the bolt 302 continues to move outward. The disk 302b drives the push rod 303 to slide outward, and the tooth surface of the push rod 303 close to the voting display screen B breaks away from the surface, and the voting display screen B can be taken out for maintenance or inspection; at the same time, when it is necessary to put it back, rotate the bolt 302, and vice versa. During the movement, the tooth surface of the push rod 303 can be reattached to the surface of the voting display screen B, thereby clamping the voting display screen B.

It is important to note that the construction and arrangements of the present application shown in various exemplary embodiments are illustrative only. Although only a few embodiments are described in detail in this disclosure, those reviewing this disclosure will readily appreciate that many modifications are possible without materially departing from the novel teachings and advantages of the subject matter described in this application. is possible (e.g. changes in size, scale, structure, shape and proportion of various elements, as well as parameter values (e.g. temperature, pressure, etc.), mounting arrangements, use of materials, colors, orientations, etc.). For example, an element shown as integrally formed may be constructed from multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means-plus-function" clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operation and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the invention is not limited to particular embodiments, but extends to various modifications that still fall within the scope of the appended claims.

Furthermore, in order to provide a concise description of the exemplary embodiments, not all features of an actual implementation may be described (i.e., those features that are not relevant to the best mode presently contemplated for carrying out the invention, or that are not relevant to the practice of the invention) those characteristics).

It is understood that numerous implementation-specific decisions may be made during the development of any actual implementation, as in any engineering or design project. Such a development effort might be complex and time consuming, but would be a routine undertaking of design, manufacture and production without undue experimentation to those of ordinary skill having the benefit of this disclosure .

It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not limiting. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the present utility model can be modified. Any modification or equivalent substitution of the technical solution without departing from the spirit and scope of the technical solution of the present invention shall be covered by the claims of the present invention.

Claims (10)

1. A lifting mechanism, characterized by: including, Protective case (A), a support plate (A-1) provided inside the protective case (A), a cover plate (A-2) provided on the end surface of the protective case (A), and a support plate (A-2) provided on the end surface of the protective case (A). (A) End face universal wheel (A-3) The lifting assembly (100) includes a support platform (101) located inside the protective shell (A); and, The limiting component (200) includes a handle (201) provided on the outer wall of the protective shell (A). 2. The lifting mechanism according to claim 1, characterized in that: the end surface of the support plate (A-1) is provided with a boss (A-4), and the protective shell (A) is provided with a screw (102) inside. A first sliding rod (103) is provided on the end surface of the support platform (101), and a second sliding rod (104) is provided inside the protective shell (A). 3. The lifting mechanism according to claim 2, characterized in that: the outer wall of the first sliding rod (103) is provided with a first moving block (105), and the outer wall of the second sliding rod (104) is provided with a second moving block. block (106), the outer wall of the second moving block (106) is provided with a first rotating rod (107), and the other end of the first rotating rod (107) is rotationally connected to the support platform (101). The outer wall of the moving block (105) is rotatably provided with a second rotating rod (108), and the other end is rotatably connected to the inner wall of the protective shell (A). 4. The lifting mechanism according to claim 2, characterized in that: a long plate (109) is provided on the outer wall of the screw (102). 5. The lifting mechanism according to claim 1, characterized in that: the end surface of the handle (201) is provided with a rotating shaft (201a), and the rotating shaft (201a) extends to the inside of the protective shell (A) and is connected with the screw (102), so A first elastic member (202) is provided inside the handle (201), and a through hole (201b) is provided inside the handle (201). 6. The lifting mechanism according to claim 5, characterized in that: an extrusion rod (203) is provided at both ends of the through hole (201b), and a first limit is provided on the outer wall of the extrusion rod (203). Block (203a), the handle (201) is provided with a limit plate (204) inside. 7. The lifting mechanism according to claim 6, wherein the limiting plate (204) is provided with a chute (204a) inside which the first limiting block (203a) can slide. 8. A mobile display stand, characterized by: including the lifting mechanism described in any one of claims 1 to 7, and, The clamping assembly (300) includes a fixed block (301) provided on the end surface of the support platform (101) and a bolt (302) provided inside the fixed block (301). 9. The mobile display stand according to claim 8, characterized in that: the end surface of the support stand (101) is provided with a voting display screen (B), and the inside of the fixed block (301) is provided with first movable channels ( 301a) and the second movable channel (301b), the bolt (302) is provided with a knob (302a) at one end, and the outer wall of the bolt (302) is provided with a disc (302b). 10. The mobile display stand according to claim 9, characterized in that: a push rod (303) is slidably provided inside the second movable channel (301b), and a disc is provided on the outer wall of the push rod (303). (302b) Rotating circular groove (303a), the end of the push rod (303) close to the voting display screen (B) is provided with a tooth surface.