Display device

Abstract

The utility model relates to the technical field of engineering construction, in particular to a display device which comprises a frame body and supporting legs arranged at the bottom of the frame body, a window is arranged on the front side of the frame body, the display device further comprises a display roller and color pages, the display roller is rotatably connected to the top of the inner side of the frame body, and a plurality of strip-shaped mounting grooves are distributed in the side wall of the display roller in the circumferential direction. A mounting rod is arranged in each mounting groove, each mounting rod is sleeved with a rotatable sleeve, the sleeves are elastically connected with the mounting rods through springs, the first ends of the color pages are fixedly connected to the sleeves, and the second ends of the color pages are detachably fixed to the bottom of the inner side of the frame body. According to the utility model, the color pages recorded with different display contents are wound on the sleeves on the mounting rods, and then the color pages on the mounting rods are displayed in turn according to needs, so that more contents can be displayed even if the size of the frame main body is designed to be smaller.

Description

Technical Field

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

[0002] During the implementation of engineering construction projects, the land and forest use of construction projects need to be displayed and explained through display devices. The content of the display should include, but not be limited to, the project's land use, forest land use, whether it complies with the national land space planning, forest protection and utilization planning, nature conservation area planning, and various special plans approved by the people's government at or above the county level.

[0003] At present, the use of land and forests for construction projects is generally displayed and explained using bulletin boards. Common bulletin boards are mainly composed of main frames, windows, and columns. The main frames are commonly made of cold-rolled steel plates, electrolytic steel plates, galvanized steel plates, stainless steel plates, etc.; windows may be made of tempered glass, PC plates, KT plates, acrylic panels, etc.; and columns are usually made of aluminum alloy. In addition, some bulletin boards use blackboards as panels.

[0004] However, during use, the above-mentioned type of publicity column mainly promotes and displays by posting color pages with display contents in its main frame. If there is a lot of display content, the usual practice is to increase the volume of the main frame or add more publicity columns. These two methods will increase the publicity cost. For this reason, we provide a construction project land and forest situation display device that is smaller in size and can display more content. Utility Model Content

[0005] 1. Technical issues to be solved

[0006] In view of the deficiencies of the prior art, the utility model provides a display device having the advantages of small size, low cost and more display content, so as to solve the problem that the prior display device needs a larger size to display more content.

[0007] (II) Technical solution

[0008] In order to achieve the above-mentioned purpose, the utility model provides a display device, including a frame body and a supporting foot arranged at the bottom of the frame body, a window is arranged on the front side of the frame body, and also includes a display roller and a color leaflet, the display roller is rotatably connected to the top of the inner side of the frame body, and a plurality of strip-shaped mounting grooves are distributed circumferentially on the side wall of the display roller, and a mounting rod is arranged in each of the mounting grooves, and a rotatable sleeve is sleeved on the outside of the mounting rod, and the sleeve and the mounting rod are elastically connected by a spring, the first end of the color leaflet is fixedly connected to the sleeve, and the second end of the color leaflet is detachably fixed to the bottom of the inner side of the frame body.

[0009] Optionally, both ends of the mounting rod are detachably fixed to the display roller via a locking device.

[0010] Optionally, the locking device includes a fixing seat and a locking pin, the fixing seat is fixed to the display roller, the locking pin is slidably connected to the fixing seat along the radial direction of the mounting rod, and the mounting rod is provided with a locking hole corresponding to the position of the locking pin.

[0011] Optionally, the display roller located at both ends of the mounting groove is provided with a long strip sliding hole arranged along the radial direction of the display roller, the sliding hole having an A end away from the axis of the display roller and a B end opposite to the A end, the two ends of the mounting rod are inserted into the sliding hole and can slide between the A end and the B end, the locking device also includes a spring arranged between the locking pin and the fixing seat and used to elastically retain the end of the mounting rod at the A end, a fixing hook is fixedly provided at the bottom inner side of the frame body, and an eyelet is provided at the second end of the color page, and the fixing hook is suitable for hooking the eyelet.

[0012] Optionally, a connecting shaft is coaxially fixedly disposed at each end of the display roller, and the connecting shaft is rotatably connected to the frame body via a bearing.

[0013] Optionally, a viewing window suitable for opening upwards is hinged at the upper end of the window, gas struts are arranged between the two sides of the viewing window and the frame body, and a handle is installed on the bottom side facing outward when the viewing window is closed.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present invention provides a display device with the following beneficial effects:

[0016] 1. The utility model winds color pages with different display contents on the sleeves on each mounting rod, and then displays the color pages on each mounting rod in turn according to the needs. In this way, even if the volume of the frame body is designed to be small, more contents can be displayed. Therefore, the display device of this structure has the advantages of small volume, low cost and more display contents;

[0017] 2. The utility model provides a locking device including a spring, through which the lock pin can be elastically retained in the lock hole, thereby improving the reliability of the connection between the mounting rod and the display roller;

[0018] 3. Both ends of the mounting rod of the utility model are detachably fixed to the display roller by a locking device. When the color leaflet on the mounting rod needs to be replaced, the mounting rod can be first removed from the display roller, the original color leaflet on the mounting rod can be replaced, and then the mounting rod can be fixed to the mounting groove of the display roller, thereby facilitating the loading and unloading and replacement of the color leaflet. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the utility model when the window is in a closed state;

[0020] Figure 2 It is a structural schematic diagram of the utility model when the window is in an open state;

[0021] Figure 3 For this utility model Figure 1 A schematic diagram of a right-side cutaway structure;

[0022] Figure 4 This is a schematic diagram of the display roller structure of the utility model;

[0023] Figure 5 This is a schematic diagram of the main cutaway structure of the display roller of the utility model;

[0024] Figure 6 For this utility model Figure 5 A schematic diagram of the enlarged structure at point A;

[0025] Figure 7 It is a schematic diagram of the connection structure between the sleeve and the mounting rod of the utility model.

[0026] In the figure: 1. frame body; 2. window; 3. support foot; 4. display roller; 5. brochure; 6. mounting slot; 7. mounting rod; 8. sleeve; 9. spring; 10. fixing seat; 11. locking pin; 12. locking hole; 13. sliding hole; 130. A end; 131. B end; 14. spring; 15. fixing hook; 16. eyelet; 17. connecting shaft; 18. window; 19. gas strut; 20. handle. DETAILED DESCRIPTION

[0027] 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.

[0028] Example: See Figures 1 to 7According to an embodiment of the utility model, a technical solution is provided: a display device, comprising a frame body 1 and a supporting foot 3 arranged at the bottom of the frame body 1, a window 2 is arranged on the front side of the frame body 1, the display device also comprises a display roller 4 and a color leaf 5, the display roller 4 is rotatably connected to the top of the inner side of the frame body 1, a plurality of strip-shaped mounting grooves 6 are distributed circumferentially on the side wall of the display roller 4, a mounting rod 7 is arranged in each mounting groove 6, a rotatable sleeve 8 is sleeved on the outside of the mounting rod 7, the sleeve 8 and the mounting rod 7 are elastically connected by a spring 9, a first end of the color leaf 5 is fixedly connected to the sleeve 8, the first end of the color leaf 5 can be fixed to the sleeve 8 by gluing or bolting, and the second end of the color leaf 5 is detachably fixed to the bottom of the inner side of the frame body 1.

[0029] The display device adopting the above structure can wrap the color pages 5 with different display contents on the sleeves 8 on each mounting rod 7, and then display the color pages 5 on each mounting rod 7 in turn as needed. In this way, even if the volume of the frame body 1 is designed to be small, more contents can be displayed. Therefore, the display device of this structure has the advantages of small volume, low cost and more display contents.

[0030] In order to facilitate the loading, unloading and replacement of the color leaflet 5, in this exemplary embodiment, both ends of the mounting rod 7 are detachably fixed to the display roller 4 by a locking device. When the color leaflet 5 on the mounting rod 7 needs to be replaced, the mounting rod 7 can be first removed from the display roller 4, the original color leaflet 5 on the mounting rod 7 can be replaced, and then the mounting rod 7 can be fixed to the mounting groove 6 of the display roller 4.

[0031] In order to realize the detachable connection between the mounting rod 7 and the display roller 4, in the present exemplary embodiment, the locking device comprises a fixing seat 10 and a locking pin 11. The fixing seat 10 is fixed to the display roller 4. The locking pin 11 is slidably connected to the fixing seat 10 along the radial direction of the mounting rod 7. The mounting rod 7 is provided with a locking hole 12 corresponding to the position of the locking pin 11. By moving the locking pin 11, the mounting rod 7 and the display roller 4 can be locked or unlocked. Of course, as long as the locking or unlocking between the mounting rod 7 and the display roller 4 can be realized, there is no particular limitation on the specific structural form of the locking device.

[0032] In this exemplary embodiment, a long strip-shaped sliding hole 13 arranged along the radial direction of the display roller 4 is provided on the display roller 4 at both ends of the installation groove 6. The sliding hole 13 has an A end 130 away from the axis of the display roller 4 and a B end 131 opposite to the A end 130. The two ends of the installation rod 7 are inserted into the sliding hole 13 and can slide between the A end 130 and the B end 131. The locking device also includes a spring 14 arranged between the locking pin 11 and the fixing seat 10 and used to elastically retain the end of the installation rod 7 at the A end 130. A fixing hook 15 is fixedly provided at the bottom of the inner side of the frame body 1. The second end of the color leaf 5 is provided with an eyelet 16, and the fixing hook 15 is suitable for hooking the eyelet 16. The locking pin 11 is elastically retained in the locking hole 12 by the spring 14, thereby improving the reliability of the connection between the installation rod 7 and the display roller 4. In addition, the first end of the color leaf 5 can be elastically connected to the display roller 4 through the spring 14, so that the eyelet 16 at the second end of the color leaf 5 can better cooperate with the fixing hook 15.

[0033] In order to realize the rotational connection between the display roller 4 and the frame body 1, in this exemplary embodiment, a connecting shaft 17 is coaxially fixedly provided at each end of the display roller 4, and the connecting shaft 17 is rotationally connected to the frame body 1 through a bearing. Of course, as long as the display roller 4 can be rotationally connected to the frame body 1, the specific connection form between the display roller 4 and the frame body 1 is not particularly limited.

[0034] In this exemplary embodiment, a window 18 suitable for opening upward is hinged at the upper end of the window 2, gas struts 19 are arranged between the two sides of the window 18 and the frame body 1, and a handle 20 is installed on the bottom side facing outward when the window 18 is closed. When the window 18 is closed, the color page 5 can be enclosed in the frame body 1. When the color page 5 needs to be replaced, the window 18 can be flipped upward by the handle 20 to open it, and then the gas struts 19 are used to maintain the open state of the window 18. After the color page 5 is replaced, the window 18 can be closed by the handle 20.

[0035] Working principle: First, remove each mounting rod 7 from the display roller 4, then wind the color page 5 with different display contents on the sleeve 8 of each mounting rod 7, specifically, fix the first end of the color page 5 on the sleeve 8 by glue, then wind it on the sleeve 8, and finally install each mounting rod 7 back into the mounting groove 6 on the display roller 4, and the color page 5 is installed. When it is necessary to display the content on the color page 5, the user can pinch the second end of the color page 5 on the corresponding mounting rod 7 and pull it downward, so that the fixing hook 15 hooks the hole 16 of the color page 5. At this time, the color page 5 is unfolded. According to the needs, the user displays the color pages 5 on each mounting rod 7 in turn. In this way, even if the volume of the frame body 1 is designed to be small, more content can be displayed. Therefore, the display device of this structure has the advantages of small volume, low cost and more display content.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A display device, comprising a frame body (1) and a support leg (3) arranged at the bottom of the frame body (1), a window (2) being arranged on the front side of the frame body (1), characterized in that: It also comprises a display roller (4) and a color leaf (5), wherein the display roller (4) is rotatably connected to the top of the inner side of the frame body (1), a plurality of strip-shaped mounting grooves (6) are distributed along the circumferential direction on the side wall of the display roller (4), a mounting rod (7) is arranged in each of the mounting grooves (6), a rotatable sleeve (8) is sleeved on the outer side of the mounting rod (7), the sleeve (8) and the mounting rod (7) are elastically connected via a spring (9), a first end of the color leaf (5) is fixedly connected to the sleeve (8), and a second end of the color leaf (5) is detachably fixed to the bottom of the inner side of the frame body (1).

2. A display device according to claim 1, characterized in that: Both ends of the installation rod (7) are detachably fixed to the display roller (4) via locking devices.

3. A display device according to claim 2, characterized in that: The locking device comprises a fixing seat (10) and a locking pin (11); the fixing seat (10) is fixed to the display roller (4); the locking pin (11) is slidably connected to the fixing seat (10) along the radial direction of the mounting rod (7); and a locking hole (12) corresponding to the position of the locking pin (11) is provided on the mounting rod (7).

4. A display device according to claim 3, characterized in that: The display roller (4) is provided with a long strip-shaped sliding hole (13) arranged along the radial direction of the display roller (4) at both ends of the installation groove (6), and the sliding hole (13) has an A end (130) away from the axis of the display roller (4) and a B end (131) opposite to the A end (130). The two ends of the installation rod (7) are inserted into the sliding hole (13) and can slide between the A end (130) and the B end (131). The locking device also includes a spring (14) arranged between the locking pin (11) and the fixing seat (10) and used for elastically retaining the end of the installation rod (7) at the A end (130). A fixing hook (15) is fixedly arranged at the bottom of the inner side of the frame body (1), and a hole (16) is arranged at the second end of the color page (5). The fixing hook (15) is suitable for hooking the hole (16).

5. A display device according to any one of claims 1 to 4, characterized in that: A connecting shaft (17) is coaxially fixedly disposed at each end of the display roller (4), and the connecting shaft (17) is rotatably connected to the frame body (1) via a bearing.

6. A display device according to any one of claims 1 to 4, characterized in that: A viewing window (18) suitable for opening upwards is hingedly connected to the upper end of the window (2), gas struts (19) are arranged between the two sides of the viewing window (18) and the frame body (1), and a handle (20) is installed on the bottom side facing outward when the viewing window (18) is closed.

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