Fixing device for nitrogen filling

Abstract

The invention relates to the technical field of nitrogen filling, in particular to a fixing device for nitrogen filling, which comprises a base, one side of the base is fixedly connected with a vertical plate, the vertical plate is fixedly connected with a driving mechanism, the vertical plate is vertically and slidably connected with a lifting device, the driving mechanism is meshed with the lifting device, and one side of the lifting device is provided with a mounting frame main body. The mounting frame main body is rotatably connected with an adjusting device and a transmission mechanism, the transmission mechanism is meshed with the adjusting device, the mounting frame main body is slidably connected with a fixing device, and the fixing device is in threaded connection with the transmission mechanism. And meanwhile, nitrogen tanks of different models can be conveniently clamped and fixed.

Description

Technical Field

[0001] The present invention relates to the technical field of nitrogen filling, and specifically to a fixing device for nitrogen filling. Background Art

[0002] During the production and use of nitrogen, nitrogen cylinders are often required to store the produced nitrogen, and nitrogen needs to be filled into pre-set nitrogen cylinders. During the filling process, it is necessary to ensure the stability of the nitrogen cylinders to prevent accidents such as nitrogen leakage.

[0003] The publication number CN205632542U provides a device in which a baffle is provided at the bottom end of a central frame, and a concave nitrogen cylinder placement area is provided on the central frame. The nitrogen cylinder placement area is composed of two concave grooves with an arc-shaped structure; a directional wheel is provided at the bottom of the central frame, and a support is provided on the lower side of the middle of the central frame. The middle of the support is connected to the central frame through a cross bar to form a triangular connection structure, and a universal wheel with a braking device is provided at the bottom end of the support.

[0004] In this solution, when directly placing the nitrogen cylinder on a trolley for transportation, there is no good fixing device, which has great potential safety hazards.

[0005] The present invention aims to solve the technical problems existing in the prior art. For this purpose, a fixing device for nitrogen filling is proposed. Summary of the Invention

[0006] The purpose of the present invention is to provide a fixing device for nitrogen filling to solve the problems raised in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solutions:

[0008] A fixing device for nitrogen filling includes a base. One side of the base is fixedly connected to a vertical plate, the vertical plate is fixedly connected to a driving mechanism, and the vertical plate is vertically slidably connected to a lifting device. The driving mechanism is engaged with the lifting device;

[0009] One side of the lifting device is provided with a main mounting frame, the main mounting frame is rotatably connected to an adjusting device, the main mounting frame is rotatably connected to a transmission mechanism, the transmission mechanism is engaged with the adjusting device, and the main mounting frame is slidably connected to a fixing device. The fixing device is threadedly connected to the transmission mechanism.

[0010] As a further solution of the present invention: The driving mechanism includes a servo motor, the servo motor is fixedly connected to the vertical plate, a rotating shaft is fixedly connected to one side of the servo motor, and meshing teeth are provided on the cylindrical surface of the rotating shaft. The meshing teeth are engaged with the lifting device.

[0011] As a further solution of the present invention: The lifting device includes a lifting plate. One side of the lifting plate is fixedly connected with a connecting slider. The lifting plate is vertically slidably connected to the vertical plate through the connecting slider. A card slot is formed on one side of the lifting plate. A moving plate is arranged in the card slot. The moving plate is slidably connected to the lifting plate. A guiding slot is arranged on one side of the moving plate. The moving plate is fixedly connected with a rack. The rack is located in the guiding slot. The rack and the guiding slot form a sealed ring. The rack is engaged with the meshing teeth. The other end of the lifting plate is fixedly connected with the main body of the mounting rack.

[0012] As a further solution of the present invention: The main body of the mounting rack includes a mounting rack. The mounting rack is fixedly connected with the lifting plate. The mounting rack is fixedly connected with a lever. A triangular block is rotatably connected to the cylindrical surface of the lever. One side of the triangular block is fixedly connected with a connecting block. A fixed cylinder is arranged at the other end of the connecting block. An adjusting device is rotatably connected to the mounting rack.

[0013] As a further solution of the present invention: The adjusting device includes a rotating handle. The rotating handle is rotatably connected to the lifting plate. One end of the rotating handle is fixedly connected with a rotating rod. The other end of the rotating rod is fixedly connected with a driving bevel gear. The driving bevel gear is engaged with a transmission mechanism.

[0014] As a further solution of the present invention: The transmission mechanism includes a threaded rod. The threaded rod is rotatably connected to the mounting rack. A transmission bevel gear is fixedly connected to the threaded rod for movement. The transmission bevel gear is engaged with the driving bevel gear. A limiting block is arranged on the cylindrical surface of the threaded rod. The threaded rod is threadedly connected to a fixing device.

[0015] As a further solution of the present invention: The fixing device includes a pressing block. The pressing block is sleeved on the cylindrical surface of the threaded rod and is threadedly connected to the threaded rod. A ball is arranged on one side of the pressing block. The ball is in contact with the triangular block. A connecting rod is fixedly connected to one side of the pressing block. The other end of the connecting rod is fixedly connected with a fixing plate. A telescopic rod is fixedly connected to one side of the fixing plate. The other end of the telescopic rod is fixedly connected with a supporting plate. The supporting plate is slidably connected to the base.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: When the device is in use, the nitrogen tank is placed above the support plate. The servo motor is started, and the servo motor controls the rotation of the rotating shaft. The rotating shaft drives the rotation of the meshing teeth. Since the meshing teeth are meshed with the rack, when the meshing teeth rotate, they drive the rack to move vertically. The rack drives the lifting plate to move vertically through the moving plate, and the lifting plate drives the mounting rack to move vertically, so that the adjustment can be made according to the height of the nitrogen tank. Then, turn the turning handle, and the turning handle drives the rotating rod to rotate. The rotating rod drives the driving bevel gear to rotate. Since the driving bevel gear is meshed with the transmission bevel gear, the driving bevel gear drives the threaded rod to rotate through the transmission bevel gear. At the same time, the threaded rod is threadedly connected with the extrusion block. When the threaded rod rotates, it drives the extrusion block to move horizontally. The extrusion block drives the fixed plate to move through the connecting rod, and the fixed plate drives the support plate to move through the telescopic rod, that is, the support plate drives the nitrogen tank to move. At the same time, the extrusion block drives the ball to move, that is, when the ball moves, it extrudes the right end of the triangular block, and the triangular block makes a lever movement with the lever as the rotating shaft. The other end of the lever drives the fixed cylinder to move through the connecting block. As the fixed plate moves to a certain extent, that is, the nitrogen tank moves to a certain extent, the fixed plate and the two fixed cylinders clamp and fix the nitrogen tank. The device is convenient for fixing the nitrogen tank and can also be convenient for clamping and fixing nitrogen tanks of different models. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic structural diagram of a fixing device for nitrogen filling.

[0018] Figure 2 It is a top view of the vertical plate in a fixing device for nitrogen filling.

[0019] Figure 3 It is a side view of the lifting device in a fixing device for nitrogen filling.

[0020] Figure 4 It is a top view of the mounting rack main body in a fixing device for nitrogen filling.

[0021] Figure 5 It is a top view sectional view of the mounting rack main body in a fixing device for nitrogen filling.

[0022] 1 - Base, 2 - Vertical plate, 3 - Servo motor, 4 - Mounting rack, 5 - Rotating shaft, 6 - Meshing teeth, 7 - Connecting slider, 8 - Lifting plate, 9 - Moving plate, 10 - Guide groove, 11 - Rack, 12 - Card slot, 13 - Transmission bevel gear, 14 - Driving bevel gear, 15 - Telescopic rod, 16 - Support plate, 17 - Limiting block, 18 - Rotating rod, 19 - Turning handle, 20 - Threaded rod, 21 - Extrusion block, 22 - Ball, 23 - Connecting rod, 24 - Fixed plate, 25 - Triangular block, 26 - Lever, 27 - Connecting block, 28 - Fixed cylinder. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0024] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplification and clarity and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0025] Please refer to Figures 1-5 , a fixing device for nitrogen filling, comprising a base 1, one side of the base 1 is fixedly connected with a vertical plate 2, the vertical plate 2 is fixedly connected with a driving mechanism, the vertical plate 2 is vertically slidably connected with a lifting device, and the driving mechanism is engaged with the lifting device;

[0026] One side of the lifting device is provided with a mounting frame body, the mounting frame body is rotatably connected with an adjusting device, the mounting frame body is rotatably connected with a transmission mechanism, the transmission mechanism is engaged with the adjusting device, the mounting frame body is slidably connected with a fixing device, and the fixing device is threadedly connected with the transmission mechanism. This device facilitates the fixing of the nitrogen tank and can also facilitate the clamping and fixing of nitrogen tanks of different models.

[0027] Please refer to Figures 1-2 , the driving mechanism includes a servo motor 3, the servo motor 3 is fixedly connected with the vertical plate 2, one side of the servo motor 3 is fixedly connected with a rotating shaft 5, and the cylindrical surface of the rotating shaft 5 is provided with meshing teeth 6, and the meshing teeth 6 are engaged with the lifting device.

[0028] Please refer to Figures 2-3, the lifting device includes a lifting plate 8. One side of the lifting plate 8 is fixedly connected with a connecting slider 7. The lifting plate 8 is vertically slidably connected to the vertical plate 2 through the connecting slider 7. A card slot 12 is formed on one side of the lifting plate 8. A moving plate 9 is arranged in the card slot 12. The moving plate 9 is slidably connected to the lifting plate 8. A guiding groove 10 is arranged on one side of the moving plate 9. The moving plate 9 is fixedly connected with a rack 11. The rack 11 is located in the guiding groove 10. The rack 11 and the guiding groove 10 form a sealed ring. The rack 11 meshes with the meshing teeth 6. The other end of the lifting plate 8 is fixedly connected to the mounting frame body. The servo motor 3 controls the rotation of the rotating shaft 5. The rotating shaft 5 drives the meshing teeth 6 to rotate. Since the meshing teeth 6 mesh with the rack 11, when the meshing teeth 6 rotate, they drive the rack 11 to move vertically. The rack 11 drives the lifting plate 8 to move vertically through the moving plate 9. The lifting plate 8 then drives the mounting frame 4 to move vertically, so as to adjust according to the height of the nitrogen tank.

[0029] Please refer to Figure 1 、 Figure 4 and Figure 5 , the mounting frame body includes a mounting frame 4. The mounting frame 4 is fixedly connected to the lifting plate 8. The mounting frame 4 is fixedly connected with a lever 26. A triangular block 25 is rotatably connected to the cylindrical surface of the lever 26. One side of the triangular block 25 is fixedly connected with a connecting block 27. The other end of the connecting block 27 is provided with a fixed cylinder 28. The mounting frame 4 is rotatably connected with an adjusting device.

[0030] Please refer to Figures 4-5 , the adjusting device includes a turning handle 19. The turning handle 19 is rotatably connected to the lifting plate 8. One end of the turning handle 19 is fixedly connected with a turning rod 18. The other end of the turning rod 18 is fixedly connected with a driving bevel gear 14. The driving bevel gear 14 meshes with a transmission mechanism. Rotating the turning handle 19, the turning handle 19 drives the turning rod 18 to rotate. The turning rod 18 drives the driving bevel gear 14 to rotate. Since the driving bevel gear 14 meshes with the transmission bevel gear 13, the driving bevel gear 14 drives the threaded rod 20 to rotate through the transmission bevel gear 13.

[0031] Please refer to Figures 4-5 , the transmission mechanism includes a threaded rod 20. The threaded rod 20 is rotatably connected to the mounting frame 4. The threaded rod 20 is fixedly connected with a transmission bevel gear 13. The transmission bevel gear 13 meshes with the driving bevel gear 14. A limiting block 17 is arranged on the cylindrical surface of the threaded rod 20. The threaded rod 20 is threadedly connected with a fixing device. The threaded rod 20 is threadedly connected with an extrusion block 21. When the threaded rod 20 rotates, it drives the extrusion block 21 to move horizontally. The extrusion block 21 drives the fixing plate 24 to move through the connecting rod 23. The fixing plate 24 drives the supporting plate 16 to move through the telescopic rod 15, that is, the supporting plate 16 drives the nitrogen tank to move. At the same time, the extrusion block 21 drives the ball 22 to move, that is, when the ball 22 moves, it extrudes the right end of the triangular block 25.

[0032] Please refer to Figure 1 、Figure 4 and Figure 5 , the fixing device includes a pressing block 21. The pressing block 21 is sleeved on the cylindrical surface of the threaded rod 20 and is threadedly connected to the threaded rod 20. A ball 22 is arranged on one side of the pressing block 21. The ball 22 is in contact with the triangular block 25. One side of the pressing block 21 is fixedly connected to a connecting rod 23. The other end of the connecting rod 23 is fixedly connected to a fixing plate 24. One side of the fixing plate 24 is fixedly connected to a telescopic rod 15. The other end of the telescopic rod 15 is fixedly connected to a support plate 16. The support plate 16 is slidably connected to the base 1. The triangular block 25 performs a lever movement with the lever 26 as the rotation axis. The other end of the lever 26 drives the fixing cylinder 28 to move through the connecting block 27. As the fixing plate 24 moves a certain degree, that is, the nitrogen tank moves a certain degree, the fixing plate 24 and the two fixing cylinders 28 clamp and fix the nitrogen tank.

[0033] The working principle of the present invention is as follows: When the device is in use, the nitrogen tank is placed above the support plate 16. The servo motor 3 is started, and the servo motor 3 controls the rotation of the rotating shaft 5. The rotating shaft 5 drives the meshing teeth 6 to rotate. Since the meshing teeth 6 are meshed with the rack 11, when the meshing teeth 6 rotate, they drive the rack 11 to move vertically. The rack 11 drives the lifting plate 8 to move vertically through the moving plate 9. The lifting plate 8 drives the mounting frame 4 to move vertically, so that the height can be adjusted according to the height of the nitrogen tank. Then, the turning handle 19 is rotated. The turning handle 19 drives the turning rod 18 to rotate. The turning rod 18 drives the driving bevel gear 14 to rotate. Since the driving bevel gear 14 is meshed with the transmission bevel gear 13, the driving bevel gear 14 drives the threaded rod 20 to rotate through the transmission bevel gear 13. At the same time, the threaded rod 20 is threadedly connected to the pressing block 21. When the threaded rod 20 rotates, it drives the pressing block 21 to move horizontally. The pressing block 21 drives the fixing plate 24 to move through the connecting rod 23. The fixing plate 24 drives the support plate 16 to move through the telescopic rod 15, that is, the support plate 16 drives the nitrogen tank to move. At the same time, the pressing block 21 drives the ball 22 to move, that is, when the ball 22 moves, it presses the right end of the triangular block 25. The triangular block 25 performs a lever movement with the lever 26 as the rotation axis. The other end of the lever 26 drives the fixing cylinder 28 to move through the connecting block 27. As the fixing plate 24 moves a certain degree, that is, the nitrogen tank moves a certain degree, the fixing plate 24 and the two fixing cylinders 28 clamp and fix the nitrogen tank. The device is convenient for fixing the nitrogen tank and can also be convenient for clamping and fixing nitrogen tanks of different models.

[0034] In the description of this specification, the descriptions referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc., mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0035] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A fixing device for nitrogen filling, comprising a base (1), characterized in that, One side of the base (1) is fixedly connected with a vertical plate (2). The vertical plate (2) is fixedly connected with a driving mechanism. The vertical plate (2) is vertically slidably connected with a lifting device, and the driving mechanism is engaged with the lifting device; One side of the lifting device is provided with a mounting frame body. The mounting frame body is rotatably connected with an adjusting device. The mounting frame body is rotatably connected with a transmission mechanism. The transmission mechanism is engaged with the adjusting device. The mounting frame body is slidably connected with a fixing device, and the fixing device is threadedly connected with the transmission mechanism.

2. The fixing device for nitrogen filling according to claim 1, wherein, The driving mechanism includes a servo motor (3). The servo motor (3) is fixedly connected with the vertical plate (2). One side of the servo motor (3) is fixedly connected with a rotating shaft (5). A meshing tooth (6) is provided on the cylindrical surface of the rotating shaft (5), and the meshing tooth (6) is engaged with the lifting device.

3. The fixing device for nitrogen filling according to claim 2, characterized in that, The lifting device includes a lifting plate (8). One side of the lifting plate (8) is fixedly connected with a connecting slider (7). The lifting plate (8) is vertically slidably connected with the vertical plate (2) through the connecting slider (7). A clamping groove (12) is provided on one side of the lifting plate (8). A moving plate (9) is arranged in the clamping groove (12). The moving plate (9) is slidably connected with the lifting plate (8). A guiding groove (10) is provided on one side of the moving plate (9). The moving plate (9) is fixedly connected with a rack (11). The rack (11) is located in the guiding groove (10). The rack (11) and the guiding groove (10) form a sealed ring. The rack (11) is engaged with the meshing tooth (6). The other end of the lifting plate (8) is fixedly connected with the mounting frame body.

4. The fixing device for nitrogen filling according to claim 3, characterized in that, The mounting frame body includes a mounting frame (4). The mounting frame (4) is fixedly connected with the lifting plate (8). The mounting frame (4) is fixedly connected with a lever (26). A triangular block (25) is rotatably connected to the cylindrical surface of the lever (26). One side of the triangular block (25) is fixedly connected with a connecting block (27). The other end of the connecting block (27) is provided with a fixing cylinder (28). The mounting frame (4) is rotatably connected with an adjusting device.

5. The fixing device for nitrogen filling according to claim 4, characterized in that, The adjusting device includes a turning handle (19). The turning handle (19) is rotatably connected with the lifting plate (8). One end of the turning handle (19) is fixedly connected with a rotating rod (18). The other end of the rotating rod (18) is fixedly connected with a driving bevel gear (14). The driving bevel gear (14) is engaged with the transmission mechanism.

6. The fixing device for nitrogen filling according to claim 5, characterized in that, The transmission mechanism includes a threaded rod (20). The threaded rod (20) is rotatably connected with the mounting frame (4). The threaded rod (20) is movably fixedly connected with a transmission bevel gear (13). The transmission bevel gear (13) is engaged with the driving bevel gear (14). A limiting block (17) is provided on the cylindrical surface of the threaded rod (20). The threaded rod (20) is threadedly connected with the fixing device.

7. The fixing device for nitrogen filling according to claim 6, characterized in that, The fixing device includes a pressing block (21). The pressing block (21) is sleeved on the cylindrical surface of the threaded rod (20) and is threadedly connected to the threaded rod (20). A ball (22) is provided on one side of the pressing block (21), and the ball (22) is in contact with the triangular block (25). A connecting rod (23) is fixedly connected to one side of the pressing block (21), the other end of the connecting rod (23) is fixedly connected to a fixing plate (24), a telescopic rod (15) is fixedly connected to one side of the fixing plate (24), the other end of the telescopic rod (15) is fixedly connected to a support plate (16), and the support plate (16) is slidably connected to the base (1).

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