CN219327950U - Demonstration board convenient to adjust - Google Patents

Abstract

The utility model discloses a demonstration board convenient to adjust, which comprises a supporting rod, a fixed rod, a cover plate, a first hinge support, a clamping assembly, a clamping frame, a display screen, a bearing plate, a second hinge support and a bottom plate, wherein the supporting rod is symmetrically arranged below the bottom plate, the fixed rod is symmetrically arranged at the top of the bottom plate, the cover plate is arranged at the top of the fixed rod, the second hinge support is arranged at any end of the top of the cover plate, the bearing plate is hinged to the second hinge support, the display screen is arranged on the bearing plate, the clamping frame is arranged at the lower end of the side surface of the display screen, the first hinge support is arranged at one end, far away from the second hinge support, of the top of the cover plate, and the clamping assembly is hinged to the first hinge support and connected to the side surface of the clamping frame. The utility model belongs to the technical field of teaching boards, and particularly relates to a demonstration board convenient to adjust.

Description

Easily Adjustable Demo Board

technical field

The utility model belongs to the technical field of teaching boards, in particular to a conveniently adjustable demonstration board.

Background technique

Demonstration boards are usually boards placed in classrooms or meeting rooms. Contents are written with chalk or water-based pens to explain the demonstration. At present, the demo board can only adjust the height of its teaching board, resulting in its When the light refraction angle is different, the surface of the teaching board is prone to reflect light, and looking at the teaching board under the angle of reflection for a long time is easy to cause damage to the eyes, and because the screen angle of the teaching board cannot be adjusted, it will cause students to see The scope is reduced, making it impossible to achieve an effect of full observation.

Utility model content

In order to solve the above problems, the utility model provides a conveniently adjustable demonstration board.

In order to achieve the above functions, the technical scheme adopted by the utility model is as follows: a conveniently adjustable demonstration board, including a support rod, a fixed rod, a cover plate, a hinge support 1, a clamping component, a clamping frame, a display screen, a bearing plate, a hinge The support two and the bottom plate, the support rod is symmetrically arranged under the bottom plate, the fixed rod is symmetrically arranged on the top of the bottom plate, the cover plate is arranged on the top of the fixed rod, and the hinge support two is arranged at any end of the top of the cover plate, The bearing plate is hinged on the hinge support 2, the display screen is arranged on the bearing plate, the clamping position is erected at the lower end of the side of the display screen, and the hinge support 1 is located on the top of the cover plate away from the hinge support 2 On one end, the clamping assembly is hinged on hinge support one and connected to the side of the clamping frame; the clamping assembly includes a control rod, gear one, gear two, slider, slide rail, extension tube, card Position screw, clamping plate, control shell and screw rod, the control shell is hinged on the hinge support one, the control rod rotates through the upper end wall of the control shell close to the hinge support one, and the gear one is arranged on the control rod On the side and inside the control housing, the screw is rotated on the side of the inner wall of the control housing, the second gear is fixedly sleeved on the screw and meshed with the first gear, one end of the extension tube is sleeved on the screw, The other end of the extension pipe is set through the control housing, the screw rod is provided with a threaded structure matching the screw rod, the clamping plate is hinged on the side of the end of the control housing away from the gear 2, and the clamping screws are evenly distributed throughout The clamping plate is set, the slide rail is set on the bottom surface of the inner wall of the control shell, the slide block is slidably socketed on the slide rail and set under the end of the extension tube away from the gear 2, by rotating the control lever, the control lever drives the gear Once rotated, the gear drives the screw to rotate, and the screw drives the extension tube to rotate. At the same time, the extension tube is limited by the slider and the slide rail, and the extension tube moves horizontally, pushing the clamping plate to move. The frame is fixed to complete the support and fixation of the tilt angle adjustment of the display screen.

Further, the clamping frame includes a fixing plate, a connecting plate, a clamping hole, a mounting hole, a central plate and a clamping groove, the fixing plate is symmetrically arranged at the lower end of the side of the display screen, and the mounting holes are symmetrically set through the fixing plate , the connecting plate is arranged in the middle of the side of the fixing plate, the connecting plate is an L-shaped structure, the central plate is arranged between the connecting plates, and the locking slots are evenly distributed and embedded with a central plate close to the side of the locking component Above, the locking holes are evenly distributed on the side of the inner wall of the locking slot, the locking plate is inserted into the locking slot, and the locking screws are screwed into the locking holes.

Wherein, the bearing plate is an L-shaped structure.

In order to improve stability, a support frame is provided on the top of the bottom plate, and the support frame is arranged under the cover plate, and the support frame is an X-shaped structure.

Preferably, a cushion is provided under the support rod.

Wherein, the cushion is a felt cushion.

The utility model adopts the above-mentioned structure to obtain beneficial effects as follows: the conveniently adjustable demonstration board provided by the utility model is simple in operation, compact in mechanism, and reasonable in design. The extension tube rotates, and at the same time, the extension tube is limited by the slider and the slide rail, the extension tube moves horizontally, pushes the clamping plate to move, and is fixed by the clamping plate and the clamping frame to complete the support for adjusting the tilt angle of the display screen Fixed, convenient for users to freely adjust the tilt angle of the display screen.

Description of drawings

Fig. 1 is the overall structural diagram of the convenient adjustment demonstration board that the utility model proposes;

Fig. 2 is the structural diagram of the clamping position frame of the conveniently adjustable demonstration board proposed by the utility model;

Fig. 3 is an internal structure diagram of the clamping assembly of the conveniently adjustable demonstration board proposed by the utility model.

Among them, 1. Support rod, 2. Fixing rod, 3. Cover plate, 4. Hinge support 1, 5. Catch component, 6. Catch frame, 7. Display screen, 8. Loading plate, 9. Hinge support Seat two, 10, bottom plate, 11, control rod, 12, gear one, 13, gear two, 14, slider, 15, slide rail, 16, extension tube, 17, locking screw, 18, locking plate, 19. Control shell, 20. Screw, 21. Fixed plate, 22. Connecting plate, 23. Positioning hole, 24. Mounting hole, 25. Center plate, 26. Positioning slot, 27. Support frame, 28. Cushion .

Detailed ways

The technical solutions of the utility model will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are part of the embodiments of the utility model, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, use a specific The azimuth structure and operation, therefore can not be construed as the limitation of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and should not be construed as indicating or implying relative importance. Below in conjunction with accompanying drawing, the utility model is described in further detail.

As shown in Figures 1 and 3, the conveniently adjustable demonstration board proposed by the utility model includes a support rod 1, a fixed rod 2, a cover plate 3, a hinge support 4, a clamping component 5, a clamping frame 6, a display Screen 7, bearing plate 8, hinge support 2 9 and base plate 10, support rod 1 is symmetrically arranged under the base plate 10, fixed rod 2 is symmetrically arranged on the top of base plate 10, cover plate 3 is arranged on the top of fixed rod 2, hinge support 2 9 is located at any one end of the top of the cover plate 3, the bearing plate 8 is hinged on the hinge support 2 9, the display screen 7 is located on the bearing plate 8, the card position frame 6 is located at the lower end of the side of the display screen 7, and the hinge support 1 4 is provided On the end of the top of the cover plate 3 away from the hinge support two 9, the clamp assembly 5 is hinged on the hinge support one 4 and connected to the side of the clamp frame 6; the clamp assembly 5 includes a control rod 11, a gear one 12, Gear 2 13, slider 14, slide rail 15, extension tube 16, clamping screw 17, clamping plate 18, control housing 19 and screw rod 20, control housing 19 is hinged on hinge support 1 4, control rod 11 rotates Through the upper end wall of the control housing 19 near the hinge support one 4, the gear one 12 is arranged on the side of the control rod 11 and is arranged in the control housing 19, the screw rod 20 is rotated and arranged on the inner wall side of the control housing 19, and the gear two 13 is fixed. Connected to the screw rod 20 and engaged with the gear one 12, one end of the extension tube 16 is sleeved on the screw rod 20, and the other end of the extension tube 16 is set through the control housing 19, and the screw rod 20 is provided with a screw thread structure matching the screw rod 20, The locking plate 18 is hinged on the side of one end of the control housing 19 away from the gear 2 13, the locking screws 17 are evenly distributed through the locking plate 18, the slide rail 15 is arranged on the bottom surface of the inner wall of the control housing 19, and the slider 14 is slidably socketed on the On the slide rail 15 and located under the end of the extension tube 16 away from the gear two 13, by rotating the control lever 11, the control lever 11 drives the rotation of the gear one 12, the gear one 12 drives the screw rod 20 to rotate, and the screw rod 20 drives the extension tube 16 to rotate At the same time, the extension tube 16 is limited by the slider 14 and the slide rail 15, the extension tube 16 moves horizontally, pushes the locking plate 18 to move, and is fixed by the locking plate 18 and the locking frame 6 to complete the tilting of the display screen 7 Angle-adjustable support fixation.

As shown in Fig. 1 and Fig. 2, the clamp frame 6 includes a fixed plate 21, a connecting plate 22, a clamp hole 23, a mounting hole 24, a central plate 25 and a clamp groove 26, and the fixed plate 21 is symmetrically arranged on the side of the display screen 7 At the lower end, the installation holes 24 are arranged symmetrically through the fixed plate 21, the connecting plate 22 is set in the middle of the side of the fixed plate 21, the connecting plate 22 is an L-shaped structure, the central plate 25 is set between the connecting plates 22, and the locking grooves 26 are evenly distributed and embedded There is a center plate 25 on the side of the locking component 5, the locking holes 23 are evenly distributed on the inner wall side of the locking groove 26, the locking plate 18 is inserted into the locking groove 26, and the locking screw 17 is screwed into the locking hole 23 Inside.

As shown in FIG. 1 , the bearing plate 8 is an L-shaped structure.

As shown in FIG. 1 , in order to improve the stability, a support frame 27 is provided on the top of the bottom plate 10 , and the support frame 27 is arranged under the cover plate 3 , and the support frame 27 is an X-shaped structure.

As shown in FIG. 1 , a cushion layer 28 is provided under the support rod 1 .

As shown in FIG. 1 , the underlayment 28 is a felt underlayment 28 .

During specific use, adjust the inclination angle of the display screen 7, by turning the control lever 11, the control lever 11 drives the gear one 12 to rotate, the gear one 12 drives the screw rod 20 to rotate, and the screw rod 20 drives the extension tube 16 to rotate, and the extension tube 16 is received simultaneously. The position limiting function of the slider 14 and the slide rail 15, the extension tube 16 moves horizontally, pushes the position plate 18 to move, inserts the position plate 18 into the position slot 26, and screws it into the position hole 23 through the position screw 17 Inside, complete the fixation.

The utility model and its implementations have been described above. This description is not restrictive, and what is shown in the drawings is only one of the implementations of the utility model, and the actual structure is not limited thereto. All in all, if a person of ordinary skill in the art is inspired by it, without departing from the purpose of the utility model, without creatively designing a structural method and embodiment similar to the technical solution, it shall be protected by the utility model scope.

Claims (6)

1. The demonstration board that is convenient to adjust is characterized in that: it includes a support rod, a fixed rod, a cover plate, a hinge support one, a card position assembly, a card position frame, a display screen, a load plate, a hinge support two and a base plate, the The support rods are symmetrically arranged under the bottom plate, the fixed rods are symmetrically arranged on the top of the bottom plate, the cover plate is arranged on the top of the fixed rods, the hinge support two is arranged on any end of the top of the cover plate, and the bearing plate is hinged on the hinge support On the second seat, the display screen is set on the bearing plate, the card position is erected at the lower end of the side of the display screen, the hinge support one is set on the end of the top of the cover plate away from the hinge support two, and the card position assembly Hinged on the hinge support one and connected to the side of the clamping frame; the clamping component includes a control rod, gear one, gear two, slider, slide rail, extension tube, clamping screw, clamping plate, control Shell and screw rod, the control shell is hinged on the hinge support one, the control rod rotates through the upper end wall of the control shell close to the hinge support one, the gear one is arranged on the side of the control rod and inside the control shell , the screw is rotated on the side of the inner wall of the control housing, the second gear is fixedly sleeved on the screw and meshed with the first gear, one end of the extension tube is sleeved on the screw, and the other end of the extension tube runs through The control shell is set, and the screw rod is provided with a thread structure that matches the screw rod. The clamping plate is hinged on the side of the control shell away from the end of the gear 2. The clamping screws are evenly distributed through the clamping plate. The rail is arranged on the bottom surface of the inner wall of the control housing, and the slider is slidably sleeved on the slide rail and arranged under the end of the extension tube away from the second gear. 2. The conveniently adjustable demonstration board according to claim 1, characterized in that: the clamping frame includes a fixed plate, a connecting plate, a clamping hole, a mounting hole, a center plate and a clamping slot, and the fixed plate is symmetrical Located at the lower end of the side of the display screen, the mounting holes are arranged symmetrically through the fixing plate, the connecting plate is arranged in the middle of the side of the fixing plate, the connecting plate is an L-shaped structure, the central plate is arranged between the connecting plates, the The locking slots are evenly distributed and embedded with a central plate close to the side of the locking assembly, the locking holes are evenly distributed on the inner wall side of the locking slot, the locking plate is inserted into the locking slot, the locking screw Screw into the locking hole. 3. The conveniently adjustable demonstration board according to claim 2, wherein the carrying board is an L-shaped structure. 4. The conveniently adjustable demonstration board according to claim 3, characterized in that: a support frame is provided on the top of the bottom plate, the support frame is installed under the cover plate, and the support frame is an X-shaped structure. 5. The conveniently adjustable demonstration board according to claim 4, characterized in that: a cushion layer is provided under the support rod. 6. The conveniently adjustable demonstration board according to claim 5, wherein the pad is a felt pad.

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