Display board support with lifting function for education

Abstract

The utility model discloses a display board support with a lifting function for education, and relates to the technical field of display board supports, the display board support comprises a shell, an extension frame, a guide slide way, a guide slide block and a support plate, the extension frame extending to the outer side is slidably connected to the interior of the shell, and the support block is welded to one side of the bottom end in the shell. And the other side of the bottom end in the shell is slidably connected with a push block. According to the display board support with the lifting function for the education, by arranging the adjusting mechanism, a display board is placed in the supporting frame, a lead screw is rotated, so that the lead screw drives a push block to translate in the direction of a supporting block when rotating, and therefore a first supporting rod and a second supporting rod drive a limiting block to translate together; and then the extension frame is pushed to rise through the limiting block and the connecting block, so that the placement height of the display board can be freely adjusted according to the requirements of users, and the problem that the existing display board bracket is difficult to meet the use requirements of different users is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of display board brackets, in particular to an educational display board bracket with a lifting function. Background Art

[0002] An exhibition board refers to a plate-like medium used for publishing and displaying information. It is made of paper, new materials, metal, etc. The surface of the exhibition board is made of adhesive-backed material, and matte film or glossy film can be selected according to the brightness of the site of use and personal preference. It can be hung on the wall for display or placed on the ground for display through an auxiliary bracket. The exhibition board bracket refers to the frame used for auxiliary support of the exhibition board. It has a simple structure, is compact, and is easy to carry. It is widely used for display in shopping malls or stores.

[0003] There are many types of display board stands on the market. When in use, the display board is placed on a support plate at the front end of the stand to provide auxiliary support for the display board. However, the display board is a single frame, so its height has certain limitations, which leads to certain limitations in the placement height of the display board. This often makes it difficult to meet the needs of different users. Utility Model Content

[0004] The utility model aims to provide an educational display board stand with a lifting function to solve the problem that the current display board stands on the market are difficult to meet the needs of different users as mentioned in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an educational display board bracket with a lifting function, comprising an outer shell, an extension frame, a guide slide, a guide slider and a support plate, the inner part of the outer shell is slidably connected to the extension frame extending to the outside, the inner part of the outer shell is provided with an adjustment mechanism extending to the outside below the extension frame, the adjustment mechanism is composed of a support block, a push block, a limit block, a connecting block, a first support rod, a second support rod and a screw rod, a support block is welded to one side of the bottom end of the inner part of the outer shell, and a push block is slidably connected to the other side of the bottom end of the inner part of the outer shell, a connecting block is welded to one side of the bottom end of the extension frame above the support block, and the bottom end of the extension frame is slidably connected to the limit block on the side away from the connecting block.

[0006] Preferably, a first support rod is hinged between the support block and the limiting block, and a second support rod is hinged between the push block and the connecting block, and the first support rod is rotatably connected to the second support rod.

[0007] Preferably, one side of the inner part of the shell is rotatably connected to a screw rod which penetrates the push block and extends to the outside through a bearing, the screw rod is threadedly connected to the push block, the bottom end of the extension frame is located above the limit block and is provided with a guide groove, and the limit block and the extension frame form a sliding structure through the guide groove.

[0008] Preferably, guide sliders are welded to the bottom ends of both sides of the extension frame, and guide slideways located outside the guide sliders are opened on both sides of the extension frame inside the shell, and the extension frame and the shell form a sliding structure through the guide sliders and the guide slideways.

[0009] Preferably, a support plate located in front of the outer shell is welded to the front end of the extension frame, and an extension mechanism is arranged at the front end of the support plate. The extension mechanism is composed of a support frame, a bottom shell, a limit rod, a limit groove, a pull rod and a return spring. Both sides of the front end of the support plate are slidably connected to the support frame, and the bottom end of the support plate is welded with a bottom shell extending to the bottom end of the support frame.

[0010] Preferably, the bottom shell is internally slidably connected with a limit rod extending to the outside, and the bottom end of the support frame is provided with a plurality of limit grooves matching the limit rod, the bottom end of the limit rod is welded with a pull rod extending to the outside, and the support frame and the support plate form a limit structure through the limit rod and the limit groove.

[0011] Preferably, a return spring mounted on the outside of the pull rod is welded between the limit rod and the bottom shell, and the limit rod and the bottom shell form an elastic structure through the return spring. A limit slider symmetrically arranged and passing through the support plate is welded at the rear end of the support frame, and the support frame and the support plate form a sliding structure through the limit slider.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The existing display board bracket is a single frame, which makes it have certain limitations on the placement height of the display board, which is often difficult to meet the use requirements of different users. The utility model is provided with an adjustment mechanism, the display board is placed inside the support frame, and the screw rod is rotated. Since the screw rod is threadedly connected with the push block, the screw rod drives the push block to move in the direction of the support block when rotating, so that the first support rod and the second support rod drive the limit block to move together, and then the extension frame is pushed up by the limit block and the connecting block, so that the height of the display board can be freely adjusted according to the needs of the user, which solves the problem that the existing display board bracket is difficult to meet the use requirements of different users;

[0014] 2. The existing display board bracket forms auxiliary support for the display board by setting a support plate, which makes the display board bracket have certain limitations when used. When supporting a larger display board, it is easy to tip over. The utility model is provided with an extension mechanism, and the limit rod is pulled out to separate the limit rod from the limit groove, and the support frame is pulled out to increase the distance between the two support frames. The support frame is limited by inserting the limit rod into the limit grooves at different positions, thereby realizing the adjustment of the use range of the bracket, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view cutaway diagram of the utility model;

[0016] Figure 2 It is a side cutaway view of the utility model;

[0017] Figure 3 It is the front view of the utility model;

[0018] Figure 4 It is an enlarged front cutaway view of the extension mechanism of the utility model.

[0019] In the figure: 1. shell; 2. extension frame; 3. adjustment mechanism; 301. support block; 302. push block; 303. limit block; 304. connection block; 305. first support rod; 306. second support rod; 307. screw rod; 4. guide slide; 5. guide slider; 6. guide slide groove; 7. support plate; 8. extension mechanism; 801. support frame; 802. bottom shell; 803. limit rod; 804. limit groove; 805. pull rod; 806. reset spring; 9. limit slider. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , Figure 2 and Figure 3 The utility model provides a technical solution: an educational display board support with a lifting function, comprising a shell 1, an extension frame 2, a guide slide 4, a guide slide block 5 and a support plate 7. The shell 1 is slidably connected to the extension frame 2 extending to the outside, and the shell 1 is provided with an adjustment mechanism 3 extending to the outside below the extension frame 2. The adjustment mechanism 3 is composed of a support block 301, a push block 302, a limit block 303, a connecting block 304, a first support rod 305, a second support rod 306 and a screw rod 307. The screw rod 307 is rotated to push the first support rod 305 to flip through the push block 302 and the connecting block 304, thereby driving the second support rod 306 to flip together, and then pushing the extension frame 2 to rise, thereby realizing the adjustment of the placement height of the display board.

[0022] See also Figure 1 , Figure 2 and Figure 3A support block 301 is welded on one side of the bottom end of the shell 1, and a push block 302 is slidably connected on the other side of the bottom end of the shell 1. A connecting block 304 is welded on one side of the bottom end of the extension frame 2 above the support block 301. The bottom end of the extension frame 2 is slidably connected to a limiting block 303 on one side away from the connecting block 304. A first support rod 305 is hinged between the support block 301 and the limiting block 303, and a second support rod 306 is hinged between the push block 302 and the connecting block 304. The first support rod 305 is rotatably connected to the second support rod 306, and the first support rod 305 is driven to flip through the push block 302 and the connecting block 304, so that the extension frame 2 is pushed up through the second support rod 306, the limiting block 303 and the support block 301, thereby improving the convenience of the device when used.

[0023] See also Figure 1 , Figure 2 and Figure 3 One side of the inner part of the shell 1 is rotatably connected to a screw rod 307 that penetrates the push block 302 and extends to the outside through a bearing. The screw rod 307 is threadedly connected to the push block 302. The bottom end of the extension frame 2 is located above the limit block 303 and is provided with a guide groove 6. The limit block 303 and the extension frame 2 form a sliding structure through the guide groove 6. When the limit block 303 moves horizontally, a guide limit is formed through the guide groove 6, thereby improving the stability of the device during use.

[0024] See also Figure 1 , Figure 2 and Figure 3 Guide sliders 5 are welded to the bottom ends of both sides of the extension frame 2, and guide slideways 4 located outside the guide sliders 5 are opened on both sides of the extension frame 2 inside the shell 1. The extension frame 2 and the shell 1 form a sliding structure through the guide sliders 5 and the guide slideways 4. When the extension frame 2 rises, the guide sliders 5 and the guide slideways 4 form a guide limit, thereby improving the convenience of the device when used.

[0025] See also Figure 2 , Figure 3 and Figure 4 A support plate 7 located in front of the shell 1 is welded to the front end of the extension frame 2, and an extension mechanism 8 is arranged at the front end of the support plate 7. The extension mechanism 8 consists of a support frame 801, a bottom shell 802, a limit rod 803, a limit groove 804, a pull rod 805 and a reset spring 806. Both sides of the front end of the support plate 7 are slidably connected with the support frame 801, and the bottom end of the support plate 7 is welded with a bottom shell 802 extending to the bottom end of the support frame 801. Pulling the pull rod 805 separates the limit rod 803 from the limit groove 804, pulling the support frame 801, and increasing the spacing of the support frame 801. Loosening the pull rod 805 resets the limit rod 803 under the action of the reset spring 806 and engages with the limit groove 804, thereby realizing the adjustment of the use range of the device.

[0026] See also Figure 2 , Figure 3 and Figure 4 The bottom shell 802 is internally slidably connected with a limit rod 803 extending to the outside, and the bottom end of the support frame 801 is provided with a plurality of limit grooves 804 matching the limit rod 803, and the bottom end of the limit rod 803 is welded with a pull rod 805 extending to the outside, and the support frame 801 and the support plate 7 form a limit structure through the limit rod 803 and the limit groove 804. Pulling the limit rod 803 separates the limit rod 803 from the limit groove 804, and pulling the support frame 801 increases the distance between the two support frames 801. The support frame 801 is limited by inserting the limit rod 803 into the limit grooves 804 at different positions, thereby realizing the adjustment of the use range of the bracket, thereby improving the practicality of the device.

[0027] See also Figure 2 , Figure 3 and Figure 4 A return spring 806 mounted on the outside of the pull rod 805 is welded between the limit rod 803 and the bottom shell 802, and the limit rod 803 and the bottom shell 802 form an elastic structure through the return spring 806. A symmetrically arranged limit slider 9 that penetrates the support plate 7 is welded to the rear end of the support frame 801, and the support frame 801 and the support plate 7 form a sliding structure through the limit slider 9. When the support frame 801 moves horizontally, the limit slider 9 forms an auxiliary support, thereby improving the convenience of the device when used.

[0028] Working principle: when using the educational display board support with lifting function, first pull out the limit rod 803 to separate the limit rod 803 from the limit groove 804, pull out the support frame 801 to increase the spacing between the support frames 801, loosen the limit rod 803, so that the limit rod 803 is reset under the action of the reset spring 806 and plugged into the limit groove 804, thereby adjusting the use range of the device, insert the display board into the support frame 801, rotate the screw rod 307, and flip it through the push block 302 and the first support rod 305, so that the extension frame 2 is pushed up through the second support rod 306, the limit block 303 and the connecting block 304, and then the support frame 801 is driven to rise together, thereby adjusting the height of the display board. This is the use process of the educational display board support with lifting function. The content not described in detail in this description belongs to the existing technology known to professional and technical personnel in this field.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An educational display board stand with a lifting function, comprising a housing (1), an extension frame (2), a guide slide (4), a guide slider (5) and a support plate (7), characterized in that: The housing (1) is slidably connected to an extension frame (2) extending to the outside, and an adjustment mechanism (3) extending to the outside is arranged inside the housing (1) below the extension frame (2). The adjustment mechanism (3) is composed of a support block (301), a push block (302), a limit block (303), a connection block (304), a first support rod (305), a second support rod (306) and a screw rod (307). A support block (301) is welded to one side of the bottom end of the housing (1), and a push block (302) is slidably connected to the other side of the bottom end of the housing (1). A connection block (304) is welded to one side of the bottom end of the extension frame (2) above the support block (301), and a side of the bottom end of the extension frame (2) away from the connection block (304) is slidably connected to the limit block (303).

2. The educational display board stand with lifting function according to claim 1, characterized in that: A first support rod (305) is hinged between the support block (301) and the limit block (303), and a second support rod (306) is hinged between the push block (302) and the connection block (304), and the first support rod (305) and the second support rod (306) are rotatably connected.

3. The educational display board stand with lifting function according to claim 1, characterized in that: A screw rod (307) penetrating the push block (302) and extending to the outside is rotatably connected to one side of the housing (1) via a bearing, and the screw rod (307) is threadedly connected to the push block (302). A guide groove (6) is provided at the bottom end of the extension frame (2) above the limit block (303), and the limit block (303) and the extension frame (2) form a sliding structure via the guide groove (6).

4. The educational display board stand with lifting function according to claim 1, characterized in that: The bottom ends of both sides of the extension frame (2) are welded with guide slide blocks (5), and the inside of the outer shell (1) is provided with guide slideways (4) located outside the guide slide blocks (5) on both sides of the extension frame (2). The extension frame (2) and the outer shell (1) form a sliding structure through the guide slide blocks (5) and the guide slideways (4).

5. The educational display board stand with lifting function according to claim 1, characterized in that: A support plate (7) located in front of the outer shell (1) is welded to the front end of the extension frame (2); an extension mechanism (8) is arranged at the front end of the support plate (7); the extension mechanism (8) is composed of a support frame (801), a bottom shell (802), a limit rod (803), a limit groove (804), a pull rod (805) and a return spring (806); both sides of the front end of the support plate (7) are slidably connected to the support frame (801), and the bottom end of the support plate (7) is welded to the bottom end of the support frame (801).

6. The educational display board stand with lifting function according to claim 5, characterized in that: The bottom shell (802) is internally slidably connected to a limit rod (803) extending to the outside, and the bottom end of the support frame (801) is provided with a plurality of limit grooves (804) matching the limit rod (803), the bottom end of the limit rod (803) is welded with a pull rod (805) extending to the outside, and the support frame (801) and the support plate (7) form a limit structure through the limit rod (803) and the limit groove (804).

7. The educational display board stand with lifting function according to claim 6, characterized in that: A return spring (806) sleeved on the outside of the pull rod (805) is welded between the limit rod (803) and the bottom shell (802), and the limit rod (803) and the bottom shell (802) form an elastic structure through the return spring (806). A limit slider (9) symmetrically arranged and penetrating the support plate (7) is welded to the rear end of the support frame (801), and the support frame (801) and the support plate (7) form a sliding structure through the limit slider (9).

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