Display device

Abstract

The utility model belongs to the technical field of display devices, and particularly relates to a display device which comprises a supporting plate. An embedding groove is formed in the top of the supporting plate, and a display plate is arranged in the embedding groove; a positioning mechanism is arranged in the supporting plate and fixedly connected to a limiting plate on the inner side wall of the embedding groove. Through the arrangement of a positioning mechanism, the end, located outside, of a positioning rod is rotated to drive a worm to rotate, the worm is in meshed connection with a worm gear, then the positioning rod drives a transmission rod to rotate through the worm and the worm gear, and then the transmission rod drives positioning plates to rotate, so that the two sets of positioning plates attached to each other are unfolded to support and position a supporting plate; at the moment, paper reports related to road economic evaluation can be displayed after the display plates are pulled out and aligned for positioning, and after display is completed, the positioning rods can be reversed, so that the two positioning plates are reset and attached to each other, the overall occupied space of the device is reduced, and storage is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of display devices, in particular to a display device. Background Art

[0002] The economic evaluation of highway construction projects is an important part of highway feasibility studies. It calculates the expenditure and benefits of the project according to the national economic development plan and relevant technical and economic policies, combined with traffic volume forecasts and engineering technology research. In the process of highway economic evaluation, it is necessary to display the data described in the evaluation through display devices.

[0003] The current display device is usually composed of a base, a support rod fixedly connected to the top of the base, and a display board fixedly connected to the top of the support rod, that is, the paper report of the highway economic evaluation is fixed on the display board by gluing for display to the public.

[0004] In order to ensure the stability of the current display device during the display process, the base is usually set to be long and large, which will cause the display device to occupy a large space when not in use and is inconvenient to store. Therefore, a display device is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art and solve the problem that the base of the current display device is usually set to be long and large in order to ensure stability during the display process, which will cause the display device to occupy a large space when not in use and is inconvenient to store, a display device is proposed.

[0006] The technical solution adopted by the utility model to solve the technical problem is: a display device described in the utility model comprises a support plate; a fitting groove is provided on the top of the support plate, and a display plate is arranged in the fitting groove;

[0007] A positioning mechanism is provided in the support plate, and the positioning mechanism is fixedly connected to a limit plate on the inner side wall of the engaging groove; a transmission rod is rotatably connected to the bottom of the limit plate; the bottom end of the transmission rod penetrates the support plate and is fixedly connected to the positioning plate; a worm gear is fixedly connected to the outer wall of the transmission rod located in the engaging groove; the inner side wall of the engaging groove is rotatably connected to the positioning rod; one end of the positioning rod penetrates the support plate and is connected to the outside; a worm is fixedly connected to the outer wall of the positioning rod located in the engaging groove; the worm gear is meshingly connected to the worm gear; by setting the positioning mechanism, the support plate and the display board can be supported while the support structure can be stored to reduce the space occupied by it.

[0008] Preferably, one end of the positioning rod located at the outside is fixedly connected to a knob, and the outer wall of the knob is provided with anti-slip grooves, so that it is convenient to apply force to the positioning rod through the setting of the knob.

[0009] Preferably, a groove is provided on the back side of the display board, a limiting block is slidably connected in the groove, one end of the limiting block is elastically connected to the inner wall of the groove through a spring, and a card slot connected to the engaging groove is provided on the back side of the support plate, the other end of the limiting block is inserted into the card slot, and the arrangement of the groove, the limiting block and the spring facilitate the positioning of the display board and the use of the display board.

[0010] Preferably, a guide groove is provided on the inner side wall of the engaging groove, a guide block is slidably connected in the guide groove, one end of the guide block extends out of the guide groove and is fixedly connected to the display board, and the arrangement of the guide groove and the guide block facilitates the positioning of the movement of the display board.

[0011] Preferably, a handle is fixedly connected to the top of the display board, and the outer wall of the handle is provided with anti-slip grooves. The provision of the handle facilitates pulling out the display board and prevents the display board from being embedded in the fitting groove and affecting pulling out and use.

[0012] Preferably, the display board is configured as a magnetic attraction board, a storage groove is provided on one side of the display board, a magnetic block is provided in the storage groove, and the arrangement of the magnetic board and the magnetic block facilitates the paper to be clamped and fixed on the display board by magnetic force.

[0013] Preferably, an anti-slip protrusion is provided at the bottom of the positioning plate, and a shielding ring is fixedly connected to both sides of the support plate. A shielding groove is provided at the bottom of the shielding ring. Through the setting of the shielding ring and the shielding groove thereon, it is convenient to shield the knob to avoid accidental touching of the knob and causing movement of the positioning plate.

[0014] Beneficial effects of the utility model:

[0015] 1. The utility model provides a display device. Through the setting of the positioning mechanism, the end of the positioning rod located at the outside is rotated to drive the worm to rotate, and the worm is meshed with the worm wheel, and then the positioning rod drives the transmission rod to rotate through the worm and the worm wheel, and then the transmission rod drives the positioning plate to rotate, so that the two groups of positioning plates that fit each other are unfolded to support and position the support plate. At this time, the display board can be pulled out and aligned for positioning, and then the paper report related to the highway economic evaluation can be displayed. After the display is completed, the positioning rod can be reversed to reset the two groups of positioning plates and fit each other, thereby reducing the space occupied by the entire device and facilitating storage.

[0016] 2. The utility model provides a display device, which facilitates the positioning of the display board and the use of the display board through the arrangement of the groove, the limit block and the spring, that is, the display board can be stored in the fitting groove, further reducing the overall size of the device, and when the display board needs to be used, the display board is pulled up to a certain height, that is, when the groove is aligned with the card slot, the limit block pops out and resets under the pressure of the spring to support and position the display board. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1 It is a three-dimensional diagram of the utility model;

[0019] Figure 2 It is one of the cross-sectional structural diagrams of the support plate in the utility model;

[0020] Figure 3 This is the second cross-sectional structural diagram of the support plate in the utility model;

[0021] Figure 4 yes Figure 3 Enlarged structural diagram of point A in the middle.

[0022] Legend:

[0023] 1. Support plate; 2. Display plate; 3. Positioning mechanism; 31. Limiting plate; 32. Transmission rod; 33. Positioning plate; 34. Worm gear; 35. Positioning rod; 36. Worm; 4. Knob; 5. Groove; 6. Limiting block; 7. Spring; 8. Guide groove; 9. Handle; 10. Magnetic block; 11. Shielding ring. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] Specific examples are given below.

[0026] See also Figure 1-Figure 4 The utility model provides a display device, comprising a support plate 1; a fitting groove is provided on the top of the support plate 1, and a display plate 2 is arranged in the fitting groove;

[0027] A positioning mechanism 3 is provided in the support plate 1, and the positioning mechanism 3 is fixedly connected to a limit plate 31 on the inner side wall of the fitting groove. The bottom of the limit plate 31 is rotatably connected to a transmission rod 32, and the bottom end of the transmission rod 32 passes through the support plate 1 and is fixedly connected to a positioning plate 33. The transmission rod 32 is fixedly connected to a worm gear 34 on the outer wall of the fitting groove, and the inner side wall of the fitting groove is rotatably connected to a positioning rod 35. One end of the positioning rod 35 passes through the support plate 1 and is connected to the outside. The positioning rod 35 is fixedly connected to a worm 36 on the outer wall of the fitting groove, and the worm 36 is meshed with the worm gear 34. When working, through the setting of the positioning mechanism 3, the support device can be taken out when the display device needs to be used. The plate 1 is placed vertically, and the positioning rod 35 is rotated at one end located on the outside to drive the worm 36 to rotate, and the worm 36 is meshed with the worm wheel 34, and then the positioning rod 35 drives the transmission rod 32 to rotate through the worm 36 and the worm wheel 34, and then the transmission rod 32 drives the positioning plate 33 to rotate, so that the two sets of positioning plates 33 that are in contact with each other are unfolded to support and position the support plate 1. At this time, the display board 2 can be pulled out and aligned for positioning, and the paper report related to the highway economic evaluation can be displayed. When the display is completed, the positioning rod 35 can be reversed to reset the two sets of positioning plates 33 and fit each other, thereby reducing the space occupied by the entire device and facilitating storage.

[0028] Further, such as Figure 1 and Figure 2 As shown, one end of the positioning rod 35 located outside is fixedly connected to a knob 4, and an anti-slip pattern is arranged on the outer wall of the knob 4. During operation, the knob 4 is arranged to facilitate applying a force to the positioning rod 35.

[0029] Further, such as Figure 2 As shown, a groove 5 is provided on the back of the display board 2, and a limit block 6 is slidably connected in the groove 5. One end of the limit block 6 is elastically connected to the inner wall of the groove 5 through a spring 7. A card slot connected to the interlocking groove is provided on the back of the support plate 1, and the other end of the limit block 6 is inserted into the card slot. During operation, the display board 2 is conveniently positioned and used by setting the groove 5, the limit block 6 and the spring 7, that is, the display board 2 can be stored in the interlocking groove, further reducing the overall size of the device. When the display board 2 needs to be used, the display board 2 is pulled up to a certain height, that is, when the groove 5 is aligned with the card slot, the limit block 6 pops up and resets under the pressure of the spring 7 to support and position the display board 2.

[0030] Further, such as Figure 2 As shown, the inner side wall of the fitting groove is provided with a guide groove 8, a guide block is slidably connected in the guide groove 8, one end of the guide block extends out of the guide groove 8 and is fixedly connected to the display board 2. During operation, the display board 2 is conveniently positioned by the arrangement of the guide groove 8 and the guide block.

[0031] Further, such as Figure 1 and Figure 3 As shown, a handle 9 is fixedly connected to the top of the display board 2, and an anti-slip pattern is arranged on the outer wall of the handle 9. When working, the display board 2 is conveniently pulled out by the arrangement of the handle 9, and the display board 2 is prevented from being embedded in the fitting groove and affecting the pulling out and use.

[0032] Further, such as Figure 1 As shown, the display board 2 is configured as a magnetic attraction board, and a storage slot is provided on one side of the display board 2, and a magnetic block 10 is provided in the storage slot. During operation, the magnetic board and the magnetic block 10 are provided to facilitate the paper to be clamped and fixed on the display board 2 by magnetic force.

[0033] Further, such as Figure 1 and Figure 2 As shown, the bottom of the positioning plate 33 is provided with an anti-slip protrusion, and both sides of the support plate 1 are fixedly connected with a shielding ring 11, and a shielding groove is provided at the bottom of the shielding ring 11. During operation, the shielding ring 11 and the shielding groove thereon are provided to facilitate shielding the knob 4, thereby preventing the knob 4 from being accidentally touched and causing the positioning plate 33 to move.

[0034] Working principle: take out the support plate 1 and place it vertically, rotate the end of the positioning rod 35 located on the outside to drive the worm 36 to rotate, and the worm 36 is meshed with the worm wheel 34, and then the positioning rod 35 drives the transmission rod 32 to rotate through the worm 36 and the worm wheel 34, and then the transmission rod 32 drives the positioning plate 33 to rotate, so that the two sets of positioning plates 33 that fit each other are unfolded to support and position the support plate 1. At this time, the display board 2 can be pulled out and aligned for positioning, and the paper report related to the highway economic evaluation can be displayed. When the display is completed, the positioning rod 35 can be reversed to reset the two sets of positioning plates 33 and fit each other, reducing the space occupied by the entire device and facilitating storage.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A display device, comprising a support plate (1); a fitting groove is provided on the top of the support plate (1), a display plate (2) is arranged in the fitting groove, and the display device comprises: A positioning mechanism (3) is provided in the support plate (1), and the positioning mechanism (3) is fixedly connected to a limiting plate (31) on the inner side wall of the engaging groove; a transmission rod (32) is rotatably connected to the bottom of the limiting plate (31); the bottom end of the transmission rod (32) penetrates the support plate (1) and is fixedly connected to a positioning plate (33); the transmission rod (32) is fixedly connected to a worm gear (34) on the outer wall of the engaging groove; the inner side wall of the engaging groove is rotatably connected to a positioning rod (35); one end of the positioning rod (35) penetrates the support plate (1) and is in communication with the outside; the positioning rod (35) is fixedly connected to a worm gear (36) on the outer wall of the engaging groove; the worm gear (36) is meshingly connected to the worm gear (34).

2. A display device according to claim 1, characterized in that: One end of the positioning rod (35) located outside is fixedly connected to a knob (4), and the outer wall of the knob (4) is provided with anti-slip grooves.

3. A display device according to claim 2, characterized in that: The back of the display board (2) is provided with a groove (5), a limit block (6) is slidably connected in the groove (5), one end of the limit block (6) is elastically connected to the inner wall of the groove (5) through a spring (7), and the back of the support plate (1) is provided with a slot connected to the fitting groove, and the other end of the limit block (6) is inserted into the slot.

4. A display device according to claim 3, characterized in that: The inner side wall of the engaging groove is provided with a guide groove (8), a guide block is slidably connected in the guide groove (8), and one end of the guide block extends out of the guide groove (8) and is fixedly connected to the display board (2).

5. A display device according to claim 4, characterized in that: A handle (9) is fixedly connected to the top of the display board (2), and an outer wall of the handle (9) is provided with anti-slip grooves.

6. A display device according to claim 5, characterized in that: The display board (2) is configured as a magnetic attraction board, a side surface of the display board (2) is provided with a storage groove, and a magnetic block (10) is arranged in the storage groove.

7. A display device according to claim 6, characterized in that: The bottom of the positioning plate (33) is provided with an anti-slip protrusion, and both sides of the support plate (1) are fixedly connected with a shielding ring (11), and the bottom of the shielding ring (11) is provided with a shielding groove.

Images