Electrophoresis tank with anti-precipitation structure

Abstract

The utility model discloses an electrophoresis tank with an anti-precipitation structure, which relates to the field of electrophoresis tanks, and comprises an electrophoresis tank and a brush, first sliding chutes are fixed on two sides of the top of the electrophoresis tank, second sliding chutes are fixed on two ends of the top of the electrophoresis tank, a protective shell is fixed at the bottom of one side of the electrophoresis tank, a motor is arranged in the protective shell, and the brush is arranged in the motor. By arranging the first lead screw and the second lead screw, when the first lead screw rotates, the first sliding block connected with the outer surface of the first lead screw in a meshed mode is driven to move, and when the first sliding block moves, the other set of first sliding blocks are driven to move through the first supporting rod; the first sliding block moves to drive the brush to move, the second lead screw rotates to drive the two sets of sliding sleeves with the outer surfaces in meshed connection to move, the sliding sleeves move to drive the second sliding block to move, the second sliding block moves to drive the brush to move, and the brush moves to clean the inner wall of the electrophoresis tank.

Description

Technical Field

[0001] The utility model relates to the field of electrophoresis tanks, in particular to an electrophoresis tank with an anti-precipitation structure. Background Art

[0002] An electrophoresis tank is generally composed of a conductive tank body, a power supply system and a sample stage. The conductive tank body is usually made of plastic or glass and can accommodate buffer and electrodes. The power supply system can provide the specified current and voltage to drive the electrophoresis process. The sample stage is used to place samples for separation and analysis.

[0003] The existing patent CN116103723B discloses an electrophoresis line electrophoresis tank with an anti-precipitation structure. Before using the device, the amount of ions in the coating in the electrophoresis liquid or the density of the electrophoresis liquid containing the coating is first controlled to be balanced, and then the workpiece to be electrophoresed is fixed on the electrophoresis frame, and the electrophoresis frame is powered on; then the electrophoresis frame is hung on a U-shaped bracket, and finally the electric push rod extension rod under the U-shaped bracket is controlled to retract; at this time, as the U-shaped bracket descends, the electrophoresis frame is immersed in the electrophoresis liquid in the working tank: at this time, the electrode strips at the end of the working tank are powered on, and at the same time, the combination of the reduction motor and the swing rod can realize continuous The back-and-forth movement of the triangular tube fixed to the connecting rod below can regularly flip the electrophoretic liquid at the bottom of the working tank: and with the intermittent rapid reciprocating impact of the rack push rod, the piston plate is driven to move back and forth, and then the power impact barrel generates an impact water flow, and the setting of the delivery hose can spray the electrophoretic liquid that has not yet been electrophoresed from the plug hole of the triangular tube, that is, the plugged U-shaped tube and the direct-injection spoiler tube, to form a bypass effect: finally, by setting a row of direct-injection spoiler tubes and U-shaped tubes, the impact effect of the power impact barrel is the best at the corner on one side of the moving triangular tube, and a high-speed jet can be generated to improve the internal circulation effect of the electrophoretic liquid.

[0004] When the existing device is in use, the electrophoresis tank prevents the charged ion paint from settling and floats the paint. At this time, the paint adheres to the inner wall of the electrophoresis tank. If it is not cleaned, the paint will clump. Utility Model Content

[0005] The utility model aims to solve the problem of cleaning the coating on the inner wall of the electrophoresis tank and provide an electrophoresis tank with an anti-precipitation structure.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electrophoresis tank with an anti-precipitation structure, comprising an electrophoresis tank, first slide grooves are fixed on both sides of the top of the electrophoresis tank, second slide grooves are fixed on both ends of the top of the electrophoresis tank, the electrophoresis tank fixes the second slide groove, a protective shell is fixed to the bottom of one side of the electrophoresis tank, a motor is installed inside the protective shell, a first fixing rod is fixed to the output end of the motor, the motor drives the first fixing rod to rotate, a first conical tooth is fixed to one end of the first fixing rod, and the first conical tooth is driven to rotate when the first fixing rod rotates, and the outer surface of the first conical tooth is meshed and connected with The fourth conical tooth, when the first conical tooth rotates, it drives the fourth conical tooth engaged with the outer surface to rotate, and when the first conical tooth rotates, it drives the fourth conical tooth to rotate. A third fixed rod is fixed on the top of the fourth conical tooth, and when the fourth conical tooth rotates, it drives the third fixed rod to rotate. A fifth conical tooth is fixed on the top of the third fixed rod, and when the third fixed rod rotates, it drives the fifth conical tooth to rotate. The outer surface of the fifth conical tooth is engaged with the first conical tooth, and when the fifth conical tooth rotates, it drives the first conical tooth to rotate. A first screw rod is fixed at one end of the No. 1 conical tooth, and when the No. 1 conical tooth rotates, it drives the first screw rod to rotate.

[0007] As a further solution of the utility model: the outer surface of the first screw rod is meshingly connected with a first slider, and when the first screw rod rotates, it drives the first slider meshingly connected to the outer surface to move, and the first slider is slidably connected to the first slide groove, a first brush is provided at the bottom of the first slider, and when the first slider moves, it drives the first brush to move, and the first brush is located on both sides of the inner wall of the electrophoresis tank, a first groove is fixed on one side of the first slider, a first support rod is provided inside the first groove, and first card grooves are fixed at both ends of the first support rod.

[0008] As a further solution of the utility model: a second fixed rod is fixed to one end of the first conical tooth, and the first conical tooth rotates to drive the second fixed rod to rotate; a third conical tooth is fixed to one end of the second fixed rod, and the second fixed rod rotates to drive the third conical tooth to rotate; the outer surface of the third conical tooth is meshingly connected with the second conical tooth, and the third conical tooth rotates to drive the second conical tooth to rotate through the meshing connection.

[0009] As a further solution of the utility model: a fourth fixing rod is fixed on the top of the second conical tooth, and when the second conical tooth rotates, the fourth fixing rod is driven to rotate, and a No. 2 conical tooth is fixed on the top of the fourth fixing rod, and the rotation of the fourth fixing rod drives the No. 2 conical tooth to rotate, and the outer surface of the No. 2 conical tooth is meshingly connected with the No. 3 conical tooth, and when the No. 2 conical tooth rotates, the No. 3 conical tooth is driven to rotate through the meshing connection, and when the No. 3 conical tooth rotates, the second screw rod is driven to rotate, and the outer surface of the second screw rod is meshingly connected with two groups of sliding sleeves, and when the second screw rod rotates, the two groups of sliding sleeves are driven to move through the meshing connection, and a second slider is fixed on the top of the sliding sleeve, and when the sliding sleeve moves, the second slider is driven to move, and the second slider is slidably connected to the second sliding groove, and a second brush is fixed to the bottom of the second slider, and when the second slider moves, the second brush is driven to move, and the second brush is located at both ends of the inner wall of the electrophoresis tank.

[0010] As a further solution of the utility model: two groups of first screw grooves are fixed on the top of the first slider, and the first slider drives the two groups of first screw grooves to move. Second grooves are fixed at both ends of the first slider, and the first slider drives the second grooves to move when it moves. A third groove is fixed on the inner wall of the first groove.

[0011] As a further solution of the utility model: a third groove is fixed at one end of the first brush, and the third groove is driven to move when the first brush moves, a fourth groove is fixed on the inner wall of the third groove, and the third groove is driven to move when it moves, a second support rod is arranged inside the third groove, a second groove is fixed on one side of the second support rod, the second support rod fixes the second groove, fourth grooves are fixed at both ends of the first brush, and the fourth groove is driven to move when the first brush moves, two groups of second screw grooves are fixed on the top of the first brush, the first brush fixes the second screw groove, and the second screw groove corresponds to the first screw groove.

[0012] As a further solution of the utility model: the inner sections of the third slot and the fourth slot are provided with fixed blocks, and a tooth plate is fixed on the top of the fixed block, and the tooth plate drives the fixed block to move when it moves. A spring is fixed to one end of the fixed block, and the spring is stretched when the fixed block moves. The outer surface of the tooth plate is meshingly connected with a gear, and the tooth plate is driven to move through the meshing connection when the gear rotates. The top of the gear is meshingly connected with a tooth column, and the gear is driven to rotate through the meshing connection when the tooth column moves, and the tooth column is located inside the second groove and the fourth groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting a first screw rod, when the first screw rod rotates, it drives the first slider meshingly connected to the outer surface to move, when the first slider moves, it drives another group of first sliders to move through the first support rod, when the first slider moves, it drives the brush to move, when the third conical tooth rotates, it drives the second screw rod to rotate, when the second screw rod rotates, it drives the two groups of sliding sleeves meshingly connected to the outer surface to move, when the sliding sleeve moves, it drives the second slider to move, when the second slider moves, it drives the brush to move;

[0015] 2. By setting a fixed block, when the fixed block moves into the first slot and the second slot, it drives the first support rod and the second support rod to be fixed, and presses the tooth column to move. When the tooth column moves, it drives the gear to rotate. When the gear rotates, it drives the tooth plate to move. When the tooth plate moves, it drives the fixed block to move. When the fixed block moves out of the first slot and the second slot, it drives the first support rod and the second support rod to be replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the motor of the utility model;

[0018] Figure 3 This is a schematic diagram of the first slider structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the second screw structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the brush structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the fixed block structure of the utility model.

[0022] In the figure: 1, electrophoresis tank; 2, protective shell; 3, first slide groove; 4, second slide groove; 5, motor; 6, first fixing rod; 7, first conical tooth; 8, second conical tooth; 9, third conical tooth; 10, second fixing rod; 11, fourth conical tooth; 12, third fixing rod; 13, fifth conical tooth; 14, first conical tooth; 15, first screw rod; 16, spring; 17, first slider; 18, first slot; 19, first support rod; 20, fourth fixing rod; 2 1. Conical tooth No. 2; 22. Conical tooth No. 3; 23. Second screw rod; 24. Sliding sleeve; 25. Second slider; 26. Second support rod; 27. Second slot; 28. First screw groove; 29. ​​First groove; 30. Second groove; 31. Third slot; 32. Second screw groove; 33. Third groove; 34. Fourth slot; 35. First brush; 36. Fourth groove; 37. Tooth column; 38. Gear; 39. Tooth plate; 40. Fixing block; 41. Second brush. DETAILED DESCRIPTION

[0023] 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.

[0024] See also Figure 1 , 2In an embodiment of the utility model, an electrophoresis tank with an anti-precipitation structure includes an electrophoresis tank 1, first slide grooves 3 are fixed on both sides of the top of the electrophoresis tank 1, second slide grooves 4 are fixed at both ends of the top of the electrophoresis tank 1, the electrophoresis tank 1 fixes the second slide groove 4, a protective shell 2 is fixed to the bottom of one side of the electrophoresis tank 1, a motor 5 is installed inside the protective shell 2, a first fixing rod 6 is fixed to the output end of the motor 5, the motor 5 drives the first fixing rod 6 to rotate, a first conical tooth 7 is fixed to one end of the first fixing rod 6, and the first fixing rod 6 drives the first conical tooth 7 to rotate when it rotates, and the outer surface of the first conical tooth 7 is meshed with a fourth conical tooth 11, and the first conical tooth 7 drives the The fourth conical tooth 11 meshingly connected on the outer surface rotates, and the first conical tooth 7 drives the fourth conical tooth 11 to rotate when it rotates. A third fixing rod 12 is fixed to the top of the fourth conical tooth 11, and the fourth conical tooth 11 drives the third fixing rod 12 to rotate when it rotates. A fifth conical tooth 13 is fixed to the top of the third fixing rod 12, and the third fixing rod 12 drives the fifth conical tooth 13 to rotate when it rotates. The outer surface of the fifth conical tooth 13 is meshingly connected with a No. 1 conical tooth 14, and the No. 1 conical tooth 14 is driven to rotate when the fifth conical tooth 13 rotates. A first screw rod 15 is fixed to one end of the No. 1 conical tooth 14, and the No. 1 conical tooth 14 drives the first screw rod 15 to rotate when it rotates;

[0025] When the motor 5 rotates, the first fixed rod 6 with the output end rotates, and the first fixed rod 6 drives the first conical teeth 7 to rotate when rotating. When the first conical teeth 7 rotate, the fourth conical teeth 11 meshed on the outer surface are driven to rotate.

[0026] See also Figure 3 The outer surface of the first screw rod 15 is meshedly connected with a first slider 17. When the first screw rod 15 rotates, it drives the first slider 17 meshedly connected with the outer surface to move, and the first slider 17 is slidably connected with the first slide groove 3. A first brush 35 is provided at the bottom of the first slider 17. When the first slider 17 moves, it drives the first brush 35 to move, and the first brush 35 is located on both sides of the inner wall of the electrophoresis tank 1. A first groove 29 is fixed to one side of the first slider 17. A first support rod 19 is provided inside the first groove 29. First card grooves 18 are fixed to both ends of the first support rod 19. A second fixed rod 10 is fixed to one end of the first conical tooth 7. When the first conical tooth 7 rotates, the second fixed rod 10 is driven to rotate. A third conical tooth 9 is fixed to one end of the second fixed rod 10. When the second fixed rod 10 rotates, the third conical tooth 9 is driven to rotate. The outer surface of the third conical tooth 9 is meshedly connected with the second conical tooth 8. When the third conical tooth 9 rotates, it drives the second conical tooth 8 to rotate through the meshing connection;

[0027] When the first screw rod 15 rotates, it drives the first slider 17 meshingly connected to the outer surface to move. When the first slider 17 moves, it drives the first brush 35 to move.

[0028] In this embodiment: when the motor 5 rotates, the first fixed rod 6 with the output end rotates, and when the first fixed rod 6 rotates, it drives the first conical tooth 7 to rotate, and when the first conical tooth 7 rotates, it drives the fourth conical tooth 11 meshingly connected to the outer surface to rotate, and when the fourth conical tooth 11 rotates, it drives the third fixed rod 12 to rotate, and when the third fixed rod 12 rotates, it drives the fifth conical tooth 13 to rotate, and when the fifth conical tooth 13 rotates, it drives the first conical tooth 14 to rotate, and when the first conical tooth 14 rotates, it drives the first screw rod 15 to rotate, and when the first screw rod 15 rotates, it drives the first slider 17 meshingly connected to the outer surface to move, and when the first slider 17 moves, it drives the first brush 35 to move.

[0029] Please refer to Figure 4 , 5 A fourth fixing rod 20 is fixed to the top of the second conical tooth 8. When the second conical tooth 8 rotates, the fourth fixing rod 20 is driven to rotate. A second conical tooth 21 is fixed to the top of the fourth fixing rod 20. The fourth fixing rod 20 rotates to drive the second conical tooth 21 to rotate. The outer surface of the second conical tooth 21 is meshedly connected with the third conical tooth 22. When the second conical tooth 21 rotates, the third conical tooth 22 is driven to rotate through the meshing connection. A second screw rod 23 is fixed to one side of the third conical tooth 22. When the third conical tooth 22 rotates, the second screw rod 23 is driven to rotate. The outer surface of the second screw rod 23 is meshedly connected with two sets of sliding sleeves 24. When the second screw rod 23 rotates, it drives the two sets of sliding sleeves 24 through the meshing connection. The first slide sleeve 24 is moved, a second slide block 25 is fixed on the top of the slide sleeve 24, and the slide sleeve 24 drives the second slide block 25 to move when it moves, and the second slide block 25 is slidably connected to the second slide groove 4, a second brush 41 is fixed on the bottom of the second slide block 25, and the second slide block 25 drives the second brush 41 to move when it moves, and the second brush 41 is located at both ends of the inner wall of the electrophoresis tank 1, two groups of first screw grooves 28 are fixed on the top of the first slide block 17, and the first slide block 17 drives the two groups of first screw grooves 28 to move, and second grooves 30 are fixed on both ends of the first slide block 17, and the first slide block 17 drives the second groove 30 to move when it moves, and a third card groove 31 is fixed on the inner wall of the first groove 29;

[0030] When the second conical tooth 8 rotates, the fourth fixed rod 20 is driven to rotate, and the rotation of the fourth fixed rod 20 drives the second conical tooth 21 to rotate.

[0031] Please refer to Figure 5 , 6A third groove 33 is fixed at one end of the first brush 35. When the first brush 35 moves, the third groove 33 is driven to move. A fourth slot 34 is fixed to the inner wall of the third groove 33. When the third groove 33 moves, the fourth slot 34 is driven to move. A second support rod 26 is arranged inside the third groove 33. A second slot 27 is fixed on one side of the second support rod 26. The second support rod 26 fixes the second slot 27. Fourth grooves 36 are fixed at both ends of the first brush 35. When the first brush 35 moves, the fourth groove 36 is driven to move. Two sets of second screw grooves 32 are fixed on the top of the first brush 35. The first brush 35 screws the second screw grooves 32. The second screw groove 32 corresponds to the first screw groove 28. The inner section of the third clamping groove 31 and the fourth clamping groove 34 is provided with a fixed block 40. A tooth plate 39 is fixed on the top of the fixed block 40. When the tooth plate 39 moves, the fixed block 40 is driven to move. A spring 16 is fixed to one end of the fixed block 40. When the fixed block 40 moves, the spring 16 is stretched. The outer surface of the tooth plate 39 is meshed with a gear 38. When the gear 38 rotates, the tooth plate 39 is driven to move through the meshing connection. The top of the gear 38 is meshed with a tooth column 37. When the tooth column 37 moves, the gear 38 is driven to rotate through the meshing connection, and the tooth column 37 is located inside the second groove 30 and the fourth groove 36.

[0032] When the first brush 35 moves, the third groove 33 is driven to move, and when the third groove 33 moves, the fourth clamping groove 34 is driven to move.

[0033] In this embodiment: the spring 16 pushes the fixed block 40 to move due to rebound. When the fixed block 40 moves to the inside of the first slot 18 and the second slot 27, it drives the first support rod 19 and the second support rod 26 to be fixed, and presses the tooth column 37 to move. When the tooth column 37 moves, it drives the gear 38 to rotate. When the gear 38 rotates, it drives the tooth plate 39 to move. When the tooth plate 39 moves, it drives the fixed block 40 to move. When the fixed block 40 moves out of the first slot 18 and the second slot 27, it drives the first support rod 19 and the second support rod 26 to be replaced.

[0034] Working principle: by starting the motor 5 to rotate, the first fixed rod 6 with the output end rotates when the motor 5 rotates, the first fixed rod 6 drives the first conical tooth 7 to rotate when the first conical tooth 7 rotates, the fourth conical tooth 11 meshingly connected to the outer surface is driven to rotate when the first conical tooth 7 rotates, the fourth conical tooth 11 drives the third fixed rod 12 to rotate when the fourth conical tooth 11 rotates, the third fixed rod 12 drives the fifth conical tooth 13 to rotate when the third fixed rod 12 rotates, the fifth conical tooth 13 drives the first conical tooth 14 to rotate when the fifth conical tooth 13 rotates, the first conical tooth 14 rotates and drives the first screw rod 15 to rotate when the first screw rod 15 rotates, the first slider 17 meshingly connected to the outer surface is driven to move when the first slider 17 moves, and the first brush 35 is driven to move when the first slider 17 moves;

[0035] The first brush 35 is replaced by the cooperation of the first screw groove 28 and the second screw groove 32. After replacement, the first brush 35 puts the first support rod 19 and the second support rod 26 into the first groove 29 and the third groove 33. When putting them in, the first support rod 19 and the second support rod 26 squeeze the fixed block 40 to move, and the fixed block 40 moves to push the spring 16. At the same time, the first support rod 19 and the second support rod 26 move to drive the first card slot 18 and the second card slot 27 to move. When the first card slot 18 and the second card slot 27 move, they no longer squeeze the fixed block 40. At this time, the spring 16 pushes the fixed block 40 to move due to rebound. When the fixed block 40 moves into the first slot 18 and the second slot 27, it drives the first support rod 19 and the second support rod 26 to be fixed, and presses the tooth column 37 to move. When the tooth column 37 moves, it drives the gear 38 to rotate. When the gear 38 rotates, it drives the tooth plate 39 to move. When the tooth plate 39 moves, it drives the fixed block 40 to move. When the fixed block 40 moves out of the first slot 18 and the second slot 27, it drives the first support rod 19 and the second support rod 26 to be replaced.

[0036] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. An electrophoresis tank with an anti-precipitation structure, comprising an electrophoresis tank (1), characterized in that: The first slide grooves (3) are fixed on both sides of the top of the electrophoresis tank (1), the second slide grooves (4) are fixed on both ends of the top of the electrophoresis tank (1), a protective shell (2) is fixed on the bottom of one side of the electrophoresis tank (1), a motor (5) is installed inside the protective shell (2), a first fixing rod (6) is fixed on the output end of the motor (5), a first conical tooth (7) is fixed on one end of the first fixing rod (6), a fourth conical tooth (11) is meshedly connected on the outer surface of the first conical tooth (7), a third fixing rod (12) is fixed on the top of the fourth conical tooth (11), a fifth conical tooth (13) is fixed on the top of the third fixing rod (12), and a fifth conical tooth (13) is fixed on the top of the fifth conical tooth (13). The outer surface of the conical tooth (13) is meshedly connected with a first conical tooth (14), one end of the first conical tooth (14) is fixed with a first screw rod (15), the outer surface of the first screw rod (15) is meshedly connected with a first slider (17), and the first slider (17) is slidably connected with the first slide groove (3), a first brush (35) is arranged at the bottom of the first slider (17), and the first brush (35) is located on both sides of the inner wall of the electrophoresis tank (1), a first groove (29) is fixed on one side of the first slider (17), a first support rod (19) is arranged inside the first groove (29), and first clamping grooves (18) are fixed at both ends of the first support rod (19).

2. The electrophoresis tank with an anti-precipitation structure according to claim 1, characterized in that: A second fixing rod (10) is fixed to one end of the first conical tooth (7), a third conical tooth (9) is fixed to one end of the second fixing rod (10), and the outer surface of the third conical tooth (9) is meshingly connected with the second conical tooth (8).

3. The electrophoresis tank with an anti-precipitation structure according to claim 2, characterized in that: A fourth fixing rod (20) is fixed to the top of the second conical tooth (8), a No. 2 conical tooth (21) is fixed to the top of the fourth fixing rod (20), the outer surface of the No. 2 conical tooth (21) is meshingly connected with a No. 3 conical tooth (22), a second screw rod (23) is fixed to one side of the No. 3 conical tooth (22), the outer surface of the second screw rod (23) is meshingly connected with two groups of sliding sleeves (24), a second slider (25) is fixed to the top of the sliding sleeve (24), and the second slider (25) is slidably connected to the second sliding groove (4), a second brush (41) is fixed to the bottom of the second slider (25), and the second brush (41) is located at both ends of the inner wall of the electrophoresis tank (1).

4. The electrophoresis tank with an anti-precipitation structure according to claim 1, characterized in that: Two groups of first screw grooves (28) are fixed on the top of the first sliding block (17), second grooves (30) are fixed at both ends of the first sliding block (17), and a third clamping groove (31) is fixed on the inner wall of the first groove (29).

5. The electrophoresis tank with an anti-precipitation structure according to claim 1, characterized in that: A third groove (33) is fixed at one end of the first brush (35), a fourth clamping groove (34) is fixed on the inner wall of the third groove (33), a second support rod (26) is arranged inside the third groove (33), a second clamping groove (27) is fixed on one side of the second support rod (26), fourth grooves (36) are fixed at both ends of the first brush (35), and two groups of second screw grooves (32) are fixed on the top of the first brush (35), and the second screw grooves (32) correspond to the first screw grooves (28).

6. The electrophoresis tank with an anti-precipitation structure according to claim 4, characterized in that: The inner sections of the third card slot (31) and the fourth card slot (34) are provided with a fixing block (40), a tooth plate (39) is fixed on the top of the fixing block (40), a spring (16) is fixed on one end of the fixing block (40), an outer surface of the tooth plate (39) is meshedly connected with a gear (38), a top of the gear (38) is meshedly connected with a tooth column (37), and the tooth column (37) is located inside the second groove (30) and the fourth groove (36).

Images