Museum stone carving cultural relic fixing device

Abstract

The utility model belongs to the technical field of museum stone-engraved cultural relic display, and particularly relates to a museum stone-engraved cultural relic fixing device which comprises a fixing base, a bearing plate is rotationally installed at the upper end of the fixing base, through holes are formed in the bottom end of the bearing plate in a bilateral symmetry mode, and a clamping and positioning assembly is arranged at the bottom of the bearing plate. An electric telescopic rod is fixedly embedded in the middle of the bottom end of the bearing plate, supports are hinged to the rear portion of the bearing plate in a bilateral symmetry mode, a mounting roller is connected between the bottoms of the two supports through a bearing, and an angle adjusting assembly is mounted in the middle of the rear portion of the bearing plate. The lifting adjustment of the movable rod can be controlled by manually rotating the threaded rod, and the bracket can be pushed to rotate by using the push rod when the movable rod moves, so that the angle of the bearing plate can be conveniently adjusted, the display angle of the stone carving can be conveniently adjusted, and a triangular structure can be formed among the bracket, the push rod and the bearing plate; and it can be guaranteed that the bearing plate is stably supported.

Description

Technical Field

[0001] The utility model belongs to the technical field of displaying stone-carved cultural relics in museums, in particular to a fixing device for stone-carved cultural relics in museums. Background Art

[0002] Stone carving has a long history in China. It belongs to the art of sculpture, which uses carving techniques to create various artworks with real volume on stone materials. Many stone carvings with rich historical value have been unearthed in my country. When they are displayed in museums, they need to use fixing devices to support and fix stone carvings such as stone tablets for easy display.

[0003] In the Chinese utility model patent with publication number CN210696896U, a stele fixing frame for an exhibition hall is disclosed, wherein the front baffle is used to abut against the front of the stele, the automatic clamping device is used to abut against the back of the stele, and the front baffle and the automatic clamping device cooperate with each other to clamp the stele;

[0004] After searching and combining with the actual needs of displaying and fixing stone tablets and stone carvings, it is found that the technical solutions proposed in the above-mentioned comparative documents still have some defects and shortcomings when implemented: first, the clamping device is large in size, and when clamping the stone tablet, it is easy to block the text or pattern at the bottom of the stone tablet, affecting the viewing of the stone carvings, and the smaller stone tablets will affect the viewing effect when placed vertically, but the above-mentioned device does not have the function of adjusting the fixed display angle of the stone carvings. Therefore, it is urgent to improve the existing museum stone carvings and cultural relics fixing device, and provide a museum stone carvings and cultural relics fixing device. Utility Model Content

[0005] The purpose of the utility model is to provide a museum stone carving cultural relic fixing device with reasonable design and simple structure to solve the problems existing in the prior art, which can avoid large-area obstruction and has the function of adjusting the display angle of the stone carving cultural relic, so as to solve the problems existing in the prior art.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A fixing device for stone carvings in a museum, comprising a fixing base, a supporting plate rotatably mounted on the upper end of the fixing base, a through hole symmetrically opened inside the bottom end of the supporting plate, a clamping and positioning assembly provided at the bottom of the supporting plate, an electric telescopic rod inlaid and fixed at the middle of the bottom end of the supporting plate, a bracket symmetrically hinged at the rear of the supporting plate, a mounting roller connected to the bearing between the bottoms of the two brackets, and an angle adjustment assembly installed at the middle of the rear of the supporting plate;

[0008] The angle adjustment assembly includes a threaded rod, a fixed seat, a movable rod and a push rod. The outer sides of both ends of the threaded rod are provided with bearing sleeves with fixed seats. The two fixed seats are fixedly connected to the middle position of the outer wall of the rear end of the support plate. The outer thread of the threaded rod is threadedly sleeved with a movable rod. The left and right ends of the movable rod are hinged with push rods. The ends of the two push rods away from the movable rod are respectively hinged to the two brackets.

[0009] As a preferred embodiment, a fixing ball is fixedly connected to the inner wall of the top rear end of the two through holes.

[0010] As a preferred embodiment, the clamping and positioning assembly includes a cross bar, a guide groove, a clamping block, a rubber pad and a connecting plate. The two cross bars are movably located on the inner sides of the two through holes respectively. The outer walls of the two cross bars are provided with guide grooves. The front ends of the two cross bars are fixedly connected with clamping blocks. The rubber pad is bonded to one end of the clamping block away from the cross bar and close to the supporting plate. The left and right ends of the connecting plate are respectively bearing-connected to the outer sides of the rear ends of the two cross bars.

[0011] As a preferred embodiment, the fixed ball guide slide is located inside the guide groove, and the guide groove includes a straight section and a spiral inclined section located behind the straight section, and the straight section is connected to the spiral inclined section.

[0012] As a preferred implementation, the two cross bars rotate in opposite directions, and the telescopic ends of the electric telescopic rods are fixedly connected to the connecting plate.

[0013] As a preferred embodiment, a triangular structure is formed among the bracket, the push rod and the supporting plate.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] In the solution of the utility model:

[0016] Start the electric telescopic rod to control the connecting plate to drive the left and right cross bars to move backward along the through hole synchronously. At this time, the fixed ball can squeeze the spiral inclined section of the guide groove, so that the cross bar and the clamping block can move backward and quickly rotate to a vertical state. At this time, the fixed ball is located in the straight section of the guide groove, and the cross bar can drive the vertical clamping block to move backward stably until the stone cultural relics placed on the supporting plate are clamped. The rubber pad is used to facilitate the soft contact between the clamping block and the stone cultural relics, avoiding damage to the stone cultural relics caused by excessive clamping force. The small size of the clamping block can avoid large obstruction of the stone carvings, which is more practical.

[0017] By manually rotating the threaded rod, the movable rod can be controlled to rise and fall, and the push rod can be used to push the bracket to rotate when the movable rod moves, so as to facilitate the convenient adjustment of the angle of the supporting plate and the adjustment of the display angle of the stone carving. Moreover, a triangular structure can be formed between the bracket, the push rod and the supporting plate, which can ensure the stable support of the supporting plate. At the same time, under the action of the mounting roller, the bracket and the supporting plate can be easily rotated and adjusted to avoid large friction between the bottom of the bracket and the ground, and the operation is smoother and faster. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions, and the following description is made with respect to the drawings:

[0019] Figure 1 This is a three-dimensional front view structural diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the overall left-side cross-sectional structure of the clamping and positioning assembly of the utility model;

[0021] Figure 3 This is a schematic diagram of the working state structure of the utility model;

[0022] Figure 4 It is a schematic diagram of the top view of the structure of the connecting plate and the electric telescopic rod of the utility model;

[0023] Figure 5 It is a schematic diagram of the three-dimensional rear view structure of the utility model.

[0024] In the figure:

[0025] 1. Fixed base; 2. Support plate; 3. Through hole; 4. Fixed ball; 5. Clamping and positioning assembly; 51. Cross bar; 52. Guide groove; 53. Clamp block; 54. Rubber pad; 55. Connecting plate; 6. Electric telescopic rod; 7. Bracket; 8. Mounting roller; 9. Angle adjustment assembly; 91. Threaded rod; 92. Fixed seat; 93. Movable rod; 94. Push rod. DETAILED DESCRIPTION

[0026] The embodiments described below are only some of the embodiments of the present invention and do not represent all the embodiments consistent with the present invention. Now, in conjunction with the accompanying drawings, the exemplary embodiments are described as follows:

[0027] like Figure 1-5As shown, the utility model of the fixing device for stone carvings in museums comprises a fixing base 1, a supporting plate 2 is rotatably mounted on the upper end of the fixing base 1, a through hole 3 is symmetrically opened inside the bottom end of the supporting plate 2, a clamping and positioning component 5 is provided at the bottom of the supporting plate 2, an electric telescopic rod 6 is inlaid and fixed in the middle of the bottom end of the supporting plate 2, a bracket 7 is symmetrically hinged at the rear of the supporting plate 2, a mounting roller 8 is connected to the bearing between the bottoms of the two brackets 7, and an angle adjustment component 9 is installed at the middle position of the rear of the supporting plate 2;

[0028] The angle adjustment assembly 9 includes a threaded rod 91, a fixed seat 92, a movable rod 93 and a push rod 94. The outer sides of both ends of the threaded rod 91 are bearing-sleeved with fixed seats 92. The two fixed seats 92 are fixedly connected to the middle position of the rear end outer wall of the support plate 2. The outer side of the threaded rod 91 is threadedly sleeved with a movable rod 93. The left and right ends of the movable rod 93 are hinged with push rods 94. The ends of the two push rods 94 away from the movable rod 93 are hinged to the two brackets 7 respectively.

[0029] On the basis of the above structure, fixing balls 4 are fixedly connected to the inner walls of the tops of the rear ends of the two through holes 3 .

[0030] On the basis of the above structure, the clamping and positioning assembly 5 includes a cross bar 51, a guide groove 52, a clamping block 53, a rubber pad 54 and a connecting plate 55. The two cross bars 51 are movably located on the inner sides of the two through holes 3 respectively. The outer walls of the two cross bars 51 are provided with guide grooves 52. The front ends of the two cross bars 51 are fixedly connected with clamping blocks 53. The rubber pad 54 is bonded to one end of the clamping block 53 away from the cross bar 51 and close to the supporting plate 2. The left and right ends of the connecting plate 55 are respectively bearing-sleeved on the outer sides of the rear ends of the two cross bars 51.

[0031] In this embodiment, the rubber pad 54 is provided to facilitate soft contact between the clamping block 53 and the stone cultural relic, thereby preventing the stone cultural relic from being damaged due to excessive clamping force.

[0032] On the basis of the above structure, the fixed ball 4 is guided and slidably located inside the guide groove 52. The guide groove 52 includes a straight section and a spiral inclined section located behind the straight section. The straight section is connected to the spiral inclined section.

[0033] In this embodiment, the cooperation between the fixing ball 4 and the guide groove 52 is utilized to facilitate the control of the cross bar 51 to move forward and backward while driving the clamping block 53 to rotate, thereby facilitating the clamping and fixing of the stone cultural relics.

[0034] On the basis of the above structure, the two cross bars 51 rotate in opposite directions, and the telescopic end of the electric telescopic rod 6 is fixedly connected to the connecting plate 55 .

[0035] In this embodiment, the electric telescopic rod 6 is used to conveniently control the movement of the two cross bars 51 and the clamping block 53, so as to facilitate the clamping and releasing of the stone cultural relics.

[0036] On the basis of the above structure, a triangle structure is formed among the bracket 7, the push rod 94 and the supporting plate 2.

[0037] In this embodiment, the triangular structure formed by the bracket 7, the push rod 94 and the supporting plate 2 is utilized to improve the supporting stability of the supporting plate 2 and facilitate the stable support of the stone cultural relics.

[0038] The working principle of the utility model is as follows:

[0039] When in use, first place the stone tablet or other stone cultural relics to be fixed on the supporting plate 2, then start the electric telescopic rod 6, control the connecting plate 55 to drive the left and right cross bars 51 to move backward along the through hole 3 synchronously, at this time, the fixing ball 4 can be used to squeeze the spiral inclined section of the guide groove 52, so that the cross bar 51 and the clamping block 53 can move backward and rotate quickly to a vertical state, at this time, the fixing ball 4 is located in the straight section of the guide groove 52, and the cross bar 51 can drive the vertical clamping block 53 to move backward stably until the stone cultural relics above the supporting plate 2 are firmly clamped and fixed by the vertical clamping block 53, and the rubber pad 54 facilitates the soft contact between the clamping block 53 and the stone cultural relics to avoid damage to the stone cultural relics caused by excessive clamping force. Compared with the comparative documents, the clamping block 53 of the device is small in size, which can avoid large obstruction of the stone carvings, enhance the ornamental value, and the practicability of the device is stronger. Moreover, the clamping block 53 is Figure 1 and Figure 4 In the state shown in , a certain distance is left between the clamp block 53 and the bottom of the supporting plate 2 to facilitate the rearward movement and rotation of the clamp block 53 to avoid jamming;

[0040] According to the actual exhibition needs of the actual museum, the threaded rod 91 can be manually rotated to control the lifting and lowering adjustment of the movable rod 93. At this time, the push rods 94 hingedly installed at the left and right ends of the movable rod 93 can push the two brackets 7 to rotate synchronously, which is convenient for adjusting the angle of the supporting plate 2, thereby facilitating the adjustment of the display angle of the stone carving. In addition, a triangular structure is formed between the bracket 7, the push rod 94 and the supporting plate 2, which can enhance the support stability of the supporting plate 2. At the same time, under the action of the installation roller 8, it can avoid the bottom of the bracket 7 from generating large friction with the ground, and the operation is smoother and faster.

[0041] Compared with the comparative documents, the present device can not only reduce the obstruction effect on the displayed stone cultural relics, but also conveniently adjust the display angle of the stone cultural relics, which is more in line with actual use needs. The setting of the two fixed seats 92 is not only convenient for the installation of the threaded rod 91, but also convenient for limiting the sliding range of the movable rod 93, thereby limiting the tilt display range of the supporting plate 2.

[0042] The above are only preferred specific embodiments of the utility model and are not intended to limit the protection scope of the utility model; any equivalent changes, modifications, substitutions and variations made by technicians in this technical field based on the concept of the utility model through logical analysis, reasoning or limited experiments on the basis of the existing technology should be within the protection scope determined by the claims.

Claims

1. A device for fixing stone cultural relics in a museum, comprising a fixing base (1), characterized in that: A support plate (2) is rotatably mounted on the upper end of the fixed base (1), a through hole (3) is symmetrically opened inside the bottom end of the support plate (2), a clamping and positioning assembly (5) is provided at the bottom of the support plate (2), an electric telescopic rod (6) is embedded and fixed in the middle of the bottom end of the support plate (2), a bracket (7) is symmetrically hinged at the rear of the support plate (2), a mounting roller (8) is connected to the bottom of the two brackets (7) by a bearing, and an angle adjustment assembly (9) is installed at the middle of the rear of the support plate (2); The angle adjustment assembly (9) comprises a threaded rod (91), a fixed seat (92), a movable rod (93) and a push rod (94); the outer sides of both ends of the threaded rod (91) are provided with a bearing sleeve with a fixed seat (92); the two fixed seats (92) are fixedly connected to the middle position of the rear end outer wall of the support plate (2); the outer side of the threaded rod (91) is threadedly sleeved with a movable rod (93); the left and right ends of the movable rod (93) are hinged with push rods (94); the ends of the two push rods (94) away from the movable rod (93) are respectively hinged to the two brackets (7).

2. A device for fixing stone cultural relics in a museum according to claim 1, characterized in that: A fixing ball (4) is fixedly connected to the inner wall of the top of the rear end of the two through holes (3).

3. A device for fixing stone cultural relics in a museum according to claim 2, characterized in that: The clamping and positioning assembly (5) comprises a cross bar (51), a guide groove (52), a clamping block (53), a rubber pad (54) and a connecting plate (55); the two cross bars (51) are movably located on the inner sides of the two through holes (3), respectively; the outer walls of the two cross bars (51) are provided with guide grooves (52); the front ends of the two cross bars (51) are fixedly connected with clamping blocks (53); the rubber pad (54) is bonded to one end of the clamping block (53) away from the cross bar (51) and close to the supporting plate (2); and the left and right ends of the connecting plate (55) are respectively bearing-sleeved on the outer sides of the rear ends of the two cross bars (51).

4. The device for fixing stone cultural relics in a museum according to claim 3, characterized in that: The fixed ball (4) is guided and slidably located inside the guide groove (52). The guide groove (52) comprises a straight section and a spiral inclined section located behind the straight section. The straight section is connected to the spiral inclined section.

5. The device for fixing stone cultural relics in a museum according to claim 4, characterized in that: The two cross bars (51) rotate in opposite directions, and the telescopic end of the electric telescopic rod (6) is fixedly connected to the connecting plate (55).

6. The device for fixing stone cultural relics in a museum according to claim 1, characterized in that: The bracket (7), the push rod (94) and the supporting plate (2) form a triangular structure.

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