Auxiliary device for fixing in campus bulletin board construction

Abstract

The utility model relates to the technical field of construction auxiliary equipment, in particular to a campus bulletin board construction fixing auxiliary device which comprises a fixing plate, the upper end of a threaded column is fixedly connected with a hand wheel, the lower end of the threaded column is fixedly connected with a foot support, and an electric telescopic rod is fixedly installed at the bottom of a transverse plate. And the output end of the electric telescopic rod is fixedly connected with a clamping block clamped with the rectangular block. The side supporting plate capable of freely rotating is arranged on the transverse plate, the side supporting plate can be folded and stored, the size is reduced, transportation is facilitated, the side supporting plate is unfolded in the using process, the supporting area of the device can be increased, the hand wheel is rotated to drive the threaded column connected with the hand wheel to rotate, and the foot support is controlled to ascend and descend; in addition, by adjusting the electric telescopic rods, the clamping blocks connected with the output ends of the electric telescopic rods are clamped and fixed to the outer sides of the rectangular blocks, the firmness of the unfolded side supporting plates can be enhanced, and safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of construction auxiliary equipment, in particular to an auxiliary device for fixing the construction of a campus propaganda column. Background Art

[0002] In the process of campus education advertising, campus bulletin boards can be seen everywhere. Schools generally use bulletin boards to promote relevant educational knowledge, which plays an important role in the healthy growth of students and the construction of school spirit. When using the bulletin board, it is necessary to place the bulletin board vertically and then fix it on the ground, so auxiliary devices will be used to place the bulletin board vertically.

[0003] Application CN218038504U on the Chinese Patent Network discloses "An auxiliary device for fixing campus propaganda columns", in which a connecting plate is provided on one side of the outer surface of the installation plate, a fixing rod is provided on one side of the outer surface of the connecting plate, a device box is provided on one side of the outer surface of the installation plate, a rotating tube is provided on one side of the outer plate of the installation box, a threaded rod is provided at one end of the rotating tube, a movable rod is provided at one end of the threaded rod, a support rod is provided at one end of the movable rod, a splint is provided on one side of the outer surface of the support rod, an auxiliary rod is provided on the inner wall of the installation box, a limiting rod is provided on one side of the outer surface of the auxiliary rod, and a rotating plate is provided at one end of the rotating tube. The auxiliary device for fixing campus propaganda columns, when the rotating tube rotates, causes the rotating tube to drive the threaded rod to rotate, and the threaded rod and the movable rod are threadedly connected, so that the movable rod drives the splint to move, and when the splint contacts the legs of the propaganda column, the propaganda column is placed vertically, so that the device can be used for propaganda columns of different specifications.

[0004] With respect to the above-mentioned related technologies, the inventor believes that there are the following defects:

[0005] For the auxiliary device used for the construction of campus bulletin boards, the support frame structure used by the auxiliary device is usually set to a large size in order to effectively support and fix the campus bulletin boards. It is not only bulky but also occupies a large space and is not conducive to transportation. Therefore, it is necessary to provide an auxiliary device for the construction and fixation of campus bulletin boards to solve the above technical problems. Utility Model Content

[0006] The purpose of the utility model is to provide an auxiliary device for the construction and fixation of campus propaganda columns, so as to solve the problem that the auxiliary device for the construction of campus propaganda columns proposed in the above-mentioned background technology, the support frame structure adopted by the auxiliary device for the construction of campus propaganda columns, in order to be able to effectively support and fix the campus propaganda columns, usually has a large volume, which is not only bulky but also occupies a large space and is not conducive to transportation.

[0007] The technical solution of the utility model is: an auxiliary device for fixing the construction of a campus bulletin board, comprising a fixing plate, the inner side of the fixing plate is rotatably connected with a bidirectional screw, the outer side of the bidirectional screw is symmetrically screwed with a cross plate, the opposite back sides of the two cross plates are provided with a receiving groove, the inner side of the receiving groove is rotatably connected with a connecting shaft, the lower end of the connecting shaft passes through the cross plate and is fixedly connected with a rectangular block, and the outer side of the connecting shaft is sleeved with a side support plate, one side of the side support plate is fixedly installed with a fixing seat, the interior of the fixing seat is screwed with a threaded column, the upper end of the threaded column is fixedly connected with a hand wheel, and the lower end of the threaded column is fixedly connected with a foot support, the bottom of the cross plate is fixedly installed with an electric telescopic rod, and the output end of the electric telescopic rod is fixedly connected with a block engaged with the rectangular block.

[0008] Preferably, the card block is in a U-shaped structure, and the cross-section of the rectangular block is in a square structure.

[0009] Preferably, a servo motor is fixedly mounted on one side of the fixing plate, and an output end of the servo motor passes through the fixing plate and is fixedly connected with the bidirectional screw.

[0010] Preferably, a power supply unit is fixedly mounted on the rear surface of the fixing plate, and the servo motor and the electric telescopic rod are electrically connected to the power supply unit.

[0011] Preferably, support wheels are symmetrically fixedly mounted on the lower surface of the fixed plate, and universal wheels are fixedly mounted on the lower surface of the transverse plate.

[0012] Preferably, mounting seats are fixedly mounted on opposite surfaces of the two horizontal plates, positioning grooves are formed on the upper surfaces of the mounting seats, positioning plates are inserted into the positioning grooves, and clamps are fixedly mounted on opposite surfaces of the two positioning plates.

[0013] Preferably, the clamp and the positioning plate are an integrally formed structure, and the cross section of the positioning plate is a convex structure.

[0014] The utility model provides an auxiliary device for fixing the construction of a campus bulletin board through improvement. Compared with the prior art, it has the following improvements and advantages:

[0015] First: the utility model is provided with a freely rotatable side support plate on the horizontal plate, which can not only be folded and stored to reduce the volume and facilitate transportation, but also can be unfolded when in use to increase the supporting area of ​​the device, and by turning the hand wheel, the threaded column connected to it is driven to rotate, so as to control the lifting and lowering of the foot support, so as to achieve the effect of adapting to the uneven ground and improve stability. In addition, by adjusting the electric telescopic rod, the block connected to its output end can be fixed to the outside of the rectangular block, so as to enhance the firmness of the side support plate after unfolding and improve safety.

[0016] Second: The clamp in the utility model is slidably connected to the mounting seat by a positioning plate and a positioning groove. According to the fact that the legs of the campus bulletin board are cylindrical or rectangular, the positioning plate can be pulled out from the inside of the positioning groove as needed, so as to facilitate the replacement of clamps of different shapes to adapt to the use of campus bulletin boards with different leg shapes, improve the adaptability of use, and enhance practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further explained below in conjunction with the accompanying drawings and embodiments:

[0018] Figure 1 This is the first angle overall stereogram of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the positioning plate, fixture and mounting seat of the utility model;

[0020] Figure 3 This is the second angle overall stereogram of the utility model;

[0021] Figure 4 It is a schematic diagram of the main structure of the side support plate and the cross plate connected to each other in the utility model.

[0022] In the figure: 1. foot support; 2. fixing seat; 3. servo motor; 4. fixing plate; 5. power supply unit; 6. positioning plate; 7. bidirectional screw; 8. clamp; 9. mounting seat; 10. cross plate; 11. hand wheel; 12. threaded column; 13. receiving groove; 14. universal wheel; 15. side support plate; 16. positioning groove; 17. electric telescopic rod; 18. clamp block; 19. rectangular block; 20. connecting shaft; 21. supporting wheel. DETAILED DESCRIPTION

[0023] The utility model is described in detail below, and the technical solutions in the embodiments of the utility model are clearly and completely described. 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.

[0024] like Figure 1-4As shown, the utility model provides an auxiliary device for fixing the construction of a campus bulletin board, including a fixing plate 4, the inner side of the fixing plate 4 is rotatably connected with a bidirectional screw rod 7, the outer side of the bidirectional screw rod 7 is symmetrically screwed with a cross plate 10, and the opposite back sides of the two cross plates 10 are provided with a receiving groove 13, the inner side of the receiving groove 13 is rotatably connected with a connecting shaft 20, the lower end of the connecting shaft 20 passes through the cross plate 10 and is fixedly connected with a rectangular block 19, and the outer side of the connecting shaft 20 is sleeved with a side support plate 15, one side of the side support plate 15 is fixedly installed with a fixing seat 2, the interior of the fixing seat 2 is screwed with a threaded column 12, the upper end of the threaded column 12 is fixedly connected with a hand wheel 11, and the lower end of the threaded column 12 is fixedly connected with a foot support 1, and the bottom of the cross plate 10 is fixedly installed with an electric telescopic rod 17, and the output end of the electric telescopic rod 17 is fixedly connected with a block 18 engaged with the rectangular block 19.

[0025] Furthermore, the clamping block 18 is in a U-shaped structure, and the cross section of the rectangular block 19 is in a square structure.

[0026] Furthermore, a servo motor 3 is fixedly installed on one side of the fixed plate 4, and the output end of the servo motor 3 passes through the fixed plate 4 and is fixedly connected with the bidirectional screw 7. A power supply unit 5 is fixedly installed on the rear surface of the fixed plate 4. The servo motor 3 and the electric telescopic rod 17 are electrically connected to the power supply unit 5 to start the servo motor 3 and drive the bidirectional screw 7 connected to its output shaft to rotate, thereby achieving the effect of adjusting the distance between the two horizontal plates 10.

[0027] During implementation, a freely rotatable side support plate 15 is provided on the horizontal plate 10, which can not only be folded and stored to reduce the volume and facilitate transportation, but also be unfolded when in use to increase the supporting area of ​​the device, and by rotating the hand wheel 11, the threaded column 12 connected thereto is driven to rotate, thereby controlling the lifting and lowering of the foot support 1 to achieve the effect of adapting to the uneven ground and improving stability. In addition, by adjusting the electric telescopic rod 17, the block 18 connected to its output end is clamped on the outside of the rectangular block 19, which can enhance the firmness of the unfolded side support plate 15 and improve safety.

[0028] The lower surface of the fixed plate 4 is symmetrically fixed with a support wheel 21, the lower surface of the cross plate 10 is fixed with a universal wheel 14, the opposite surfaces of the two cross plates 10 are fixedly installed with a mounting seat 9, the upper surface of the mounting seat 9 is provided with a positioning groove 16, the inside of the positioning groove 16 is plugged with a positioning plate 6, the opposite surfaces of the two positioning plates 6 are fixedly installed with a clamp 8, the clamp 8 and the positioning plate 6 are an integrally formed structure, and the cross section of the positioning plate 6 is a convex structure.

[0029] During implementation, the clamp 8 and the mounting seat 9 are slidably connected by the positioning plate 6 and the positioning groove 16. According to the fact that the legs of the campus bulletin board are cylindrical and rectangular, the positioning plate 6 can be pulled out from the inside of the positioning groove 16 as needed, so as to facilitate the replacement of clamps 8 of different shapes to adapt to the use of campus bulletin boards with different leg shapes, improve the adaptability of use, and enhance practicality.

[0030] Working principle: When in use, first erect the campus bulletin board, then push the device to the leg of the campus bulletin board, and start the servo motor 3 to drive the bidirectional screw 7 connected to its output shaft to rotate, drive the two outer horizontal plates 10 to drive the clamp 8 to move in opposite directions, so that the clamp 8 is clamped on the outer side of the leg of the campus bulletin board, and then turn the side support plate 15 out from the inside of the receiving groove 13 to keep the side support plate 15 vertical to the horizontal plate 10, and then adjust the electric telescopic rod 17 to make the block 18 connected to its output end clamped on the outside of the rectangular block 19, fix the rotated side support plate 15, and then turn the hand wheel 11 to drive the threaded column 12 connected to it to rotate, drive the foot support 1 to move downward and contact the ground, enhance the stability of the device support, and finally use bolts to pass through the preset fixing holes at the bottom of the leg to fix the leg to the ground. When the clamp 8 needs to be replaced, directly move the clamp 8 upward to disengage the positioning plate 6 connected to it from the inside of the positioning groove 16.

[0031] The above description enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An auxiliary device for fixing the construction of a campus bulletin board, characterized in that: The invention comprises a fixing plate (4), the inner side of which is rotatably connected to a bidirectional screw rod (7), the outer side of which is symmetrically screwed to a transverse plate (10), the opposite back sides of the two transverse plates (10) are provided with a receiving groove (13), the inner side of the receiving groove (13) is rotatably connected to a connecting shaft (20), the lower end of the connecting shaft (20) penetrates the transverse plate (10) and is fixedly connected to a rectangular block (19), and the outer side of the connecting shaft (20) is sleeved with a side support plate ( 15), a fixing seat (2) is fixedly installed on one side of the side support plate (15), a threaded column (12) is screwed inside the fixing seat (2), the upper end of the threaded column (12) is fixedly connected to a hand wheel (11), and the lower end of the threaded column (12) is fixedly connected to a foot support (1), an electric telescopic rod (17) is fixedly installed on the bottom of the cross plate (10), and the output end of the electric telescopic rod (17) is fixedly connected to a clamping block (18) engaged with a rectangular block (19).

2. According to claim 1, the auxiliary device for fixing the campus bulletin board is characterized in that: The clamping block (18) is in a U-shaped structure, and the cross section of the rectangular block (19) is in a square structure.

3. According to claim 1, the auxiliary device for fixing the campus bulletin board is characterized in that: A servo motor (3) is fixedly mounted on one side of the fixing plate (4), and an output end of the servo motor (3) passes through the fixing plate (4) and is fixedly connected to the bidirectional screw rod (7).

4. The auxiliary device for fixing the campus bulletin board according to claim 3 is characterized by: A power supply unit (5) is fixedly mounted on the rear surface of the fixed plate (4), and the servo motor (3) and the electric telescopic rod (17) are both electrically connected to the power supply unit (5).

5. The auxiliary device for fixing the campus bulletin board according to claim 1 is characterized by: The lower surface of the fixed plate (4) is symmetrically fixedly mounted with support wheels (21), and the lower surface of the transverse plate (10) is fixedly mounted with universal wheels (14).

6. The auxiliary device for fixing the campus bulletin board according to claim 1, characterized in that: The opposing surfaces of the two transverse plates (10) are fixedly mounted with mounting seats (9), the upper surface of the mounting seats (9) is provided with positioning grooves (16), the interior of the positioning grooves (16) is plugged with positioning plates (6), and the opposing surfaces of the two positioning plates (6) are fixedly mounted with clamps (8).

7. The auxiliary device for fixing the campus bulletin board according to claim 6, characterized in that: The clamp (8) and the positioning plate (6) are an integrally formed structure, and the cross section of the positioning plate (6) is a convex-shaped structure.

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