Coupling for slag scraper

Abstract

The utility model relates to the technical field of couplings, in particular to a coupler for a slag scraper, which comprises a coupler body, a spring telescopic rod is fixedly connected to the side face of the inner wall of the coupler body, a magnetic attraction abutting plate is fixedly connected to one end of the spring telescopic rod, and a locking assembly is connected to one side of the magnetic attraction abutting plate. Adjusting empty grooves are formed in the top and the bottom of the coupler body respectively, the inner walls of the adjusting empty grooves are connected with protruding restraining plates in a sliding mode, and the surfaces, close to the middles of the protruding restraining plates, of the protruding restraining plates are fixedly connected with pulling rods. And the elastic structure is additionally arranged in the coupler, so that the shaft rod can be conveniently and rapidly disassembled and taken out subsequently, the coupler is arranged to be of a split-type connecting structure, replacement of damaged parts can be reduced, and the connecting firmness degree and the protection practicability of the coupler and the shaft rod are enhanced.

Description

Technical Field

[0001] The utility model relates to a coupling for a scraper, belonging to the technical field of couplings. Background Art

[0002] The scraper is a key component of the flotation water purifier of the sewage treatment equipment. The suspended impurities in the sewage in the flotation tank float to the surface after treatment, forming waste residues. When they accumulate to a certain extent, they need to be removed to achieve the purpose of sewage purification. The coupling can be used to firmly connect the driving shaft and the driven shaft in different mechanisms to rotate together and transmit motion and torque mechanical parts;

[0003] For example, a coupling for a scraper machine with patent application number CN202221269548.2 includes a shaft rod, the shaft rod is externally connected to a support seat, one end of the shaft rod is embedded in a sleeve, the sleeve is externally connected to a U-shaped positioning block, the U-shaped positioning block is internally connected to a positioning bolt, the bottom of the positioning bolt extends to the inside of the sleeve, one end of the U-shaped positioning block is connected to a rubber connector, the rubber connector is internally connected to a chuck, the chuck is internally connected to a positioning rod, and nuts are provided at both ends of the positioning rod;

[0004] Since the above-mentioned coupling uses positioning bolts and positioning rods to transport and install the shaft, but the shaft is manually pushed in and pulled out inside the coupling, if the shaft and the coupling are too slippery or too rough and non-slip, it will affect the connection between the coupling and the shaft and the subsequent disassembly and assembly effects, which will bring certain adverse effects to actual use, and therefore needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to provide a coupling for a scraper. The utility model can securely lock the shaft at multiple points by setting a coupling with multi-directional connection and positioning, and an elastic structure is added inside the coupling to facilitate the subsequent rapid removal of the shaft. Since the coupling is set as a separable connection structure, the replacement of damaged parts can be saved, thereby solving the problems raised in the above-mentioned background technology.

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

[0007] A coupling for a scraper machine comprises a coupling body, a spring telescopic rod is fixedly connected to the side of the inner wall of the coupling body, one end of the spring telescopic rod is fixedly connected to a magnetic abutment plate, one side of the magnetic abutment plate is connected to a locking component, the top and bottom of the coupling body are both provided with adjustment slots, the inner wall of the adjustment slot is slidably connected to a raised constraint plate, a pulling rod is fixedly connected to the surface of the raised constraint plate near the middle thereof, an anti-roll plate is fixedly connected to the side of the raised constraint plate, and the side of the inner wall of the adjustment slot is provided with a There is an anti-roll groove, the inner wall of the anti-roll groove and the surface of the anti-roll plate are slidingly connected, the internal thread of the coupling body is connected with an adjusting screw, the top of the anti-roll plate is provided with a connecting screw groove, the inner wall of the connecting screw groove and the surface of the adjusting screw are threadedly connected, a compression spring is connected between the surface of the raised constraint plate and the surface of the inner wall of the adjusting groove through a damping pad, a shaft rod is placed inside the coupling body, the top and bottom of the shaft rod are provided with concave constraint grooves, the inner wall of the concave constraint groove and the surface of the raised constraint plate are snap-fitted and adapted.

[0008] Furthermore, the coupling body is composed of two side plates, the interiors of the two side plates are threadedly connected with firm screws through internal thread grooves, and the sides of the side plates are fixedly connected with restraint sleeves.

[0009] Furthermore, a magnetic card slot is provided on the outer surface of the coupling body, a protective sleeve is clamped on the inner wall of the magnetic card slot, and the inner part of the protective sleeve is sleeved on the circumferential outer part of the coupling body.

[0010] Furthermore, the locking assembly includes a locking clamping plate and a locking clamping groove, the locking clamping plate is fixedly connected to one side of the magnetic abutment plate, the locking clamping groove is opened on one end of the shaft, and the inner wall of the locking clamping groove is clamped and adapted to the surface of the locking clamping plate.

[0011] Furthermore, the front and rear sides of the shaft are fixedly connected with anti-skid abutment plates, the front and rear sides of the inner wall of the coupling body are provided with anti-skid abutment grooves, and the inner walls of the anti-skid abutment grooves abut against the surfaces of the anti-skid abutment plates.

[0012] Furthermore, the inner wall of the adjusting slot is rotatably connected to a guide wheel via a pin, and the surface of the guide wheel is rollingly connected to the surface of the pulling rod.

[0013] Furthermore, a temporary locking plate is fixedly connected to the surface of the raised constraint plate close to its side surface, and a locking groove plate is opened on one side of the inner wall of the adjustment slot, and the inner wall of the locking groove plate and the surface of the temporary locking plate are magnetically connected.

[0014] The beneficial effects of the utility model are:

[0015] The utility model provides an anti-skid abutment plate and an anti-skid abutment groove with a guiding effect, so that the shaft rod can be pushed into the interior of the coupling body, so that the shaft rod can enter the coupling body smoothly and accurately, so that the shaft rod can be subsequently aligned with other structures inside the coupling body for connection. The locking clamping plate and the locking clamping groove can be aligned first to clamp the shaft rod against the magnetic abutment plate, so as to prevent the shaft rod from slipping and loosening in the coupling body. The shaft rod can be pushed deep into the interior of the coupling body by external force to compress the spring telescopic rod to make it enter a compressed and force-storing state, and then the pulling rod can be pushed downward to release the convex The clamping state between the temporary locking plate and the locking groove plate on the restraining plate is set, and the subsequent raised restraining plate is moved and clamped in the inner wall of the concave restraining groove under the elastic force of the compression spring. The anti-tilt plate and the anti-tilt groove are set to reduce the deflection of the raised restraining plate in the adjustment slot. After the shaft rod is positioned left, right, up, and down, the adjusting screw can be rotated and threadedly connected in the inner wall of the connecting screw groove to enhance the connection between the coupling body and the shaft rod. The addition of the guide wheel can help the smooth telescopic movement of the pulling rod, that is, to complete the multi-directional connection firmness between the coupling body and the shaft rod.

[0016] In the utility model, the coupling body is divided into symmetrical parts through the arrangement, and a single damaged part can be disassembled and replaced by a firm screw. The protective sleeve can be connected in the magnetic card slot to wrap and protect the adjustment part on the coupling body, thereby achieving the disassembly effect of the coupling body and the external protection function. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0018] Figure 1 This is a schematic diagram of the overall structure of a coupling for a scraper machine of the utility model;

[0019] Figure 2 It is a front cross-sectional view of a coupling for a scraper machine of the utility model;

[0020] Figure 3 This is a structural schematic diagram of a central shaft rod of a coupling for a scraper machine of the utility model;

[0021] Figure 4 This is an enlarged view of point A of a coupling for a scraper machine of the utility model;

[0022] Figure 5 This is an enlarged view of position B of a coupling for a scraper machine of the utility model;

[0023] Numbers in the figure: 1. Coupling body; 2. Spring telescopic rod; 3. Magnetic abutment plate; 4. Adjustment slot; 5. Raised constraint plate; 6. Pull rod; 7. Anti-tilt plate; 8. Anti-tilt slot; 9. Adjustment screw; 10. Connecting screw slot; 11. Compression spring; 12. Shaft rod; 13. Concave constraint slot; 14. Side plate; 15. Fixing screw; 16. Constraint sleeve; 17. Magnetic card slot; 18. Protective sleeve; 19. Locking clamping plate; 20. Locking clamping slot; 21. Anti-skid abutment plate; 22. Anti-skid abutment slot; 23. Guide wheel; 24. Temporary fixing plate; 25. Fixing slot plate. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1 Please refer to Figure 1-Figure 5 , the utility model provides a technical solution:

[0026] A coupling for a scraper, comprising a coupling body 1, a spring telescopic rod 2 is fixedly connected to the side of the inner wall of the coupling body 1, one end of the spring telescopic rod 2 is fixedly connected to a magnetic abutment plate 3, one side of the magnetic abutment plate 3 is connected to a locking component, the top and bottom of the coupling body 1 are both provided with adjustment slots 4, the inner wall of the adjustment slot 4 is slidably connected with a raised constraint plate 5, a pulling rod 6 is fixedly connected to the surface of the raised constraint plate 5 near the middle thereof, an anti-dumping plate 7 is fixedly connected to the side of the raised constraint plate 5, and an anti-dumping groove 8 is provided on the side of the inner wall of the adjustment slot 4 The inner wall of the anti-roll groove 8 and the surface of the anti-roll plate 7 are slidingly connected, the internal thread of the coupling body 1 is connected with an adjusting screw 9, the top of the anti-roll plate 7 is provided with a connecting screw groove 10, the inner wall of the connecting screw groove 10 and the surface of the adjusting screw 9 are threadedly connected, a compression spring 11 is connected between the surface of the raised constraint plate 5 and the surface of the inner wall of the adjusting slot 4 through a damping pad, a shaft rod 12 is placed inside the coupling body 1, and concave constraint grooves 13 are provided on the top and bottom of the shaft rod 12, and the inner wall of the concave constraint groove 13 and the surface of the raised constraint plate 5 are snap-fitted and adapted.

[0027] Specifically, Figure 1-Figure 5As shown, the coupling body 1 is composed of two side plates 14, the interior of the two side plates 14 is threadedly connected with a firm screw 15 through an internal thread groove, and the side of the side plate 14 is fixedly connected with a constraint sleeve 16, which divides the coupling body 1 into symmetrical parts, and the single damaged part can be disassembled and replaced through the firm screw 15. The outer surface of the coupling body 1 is provided with a magnetic card slot 17, and the inner wall of the magnetic card slot 17 is clamped with a protective sleeve 18, and the inner part of the protective sleeve 18 is sleeved on the circumferential outer part of the coupling body 1. The protective sleeve 18 can be connected in the magnetic card slot 17 to wrap and protect the adjustment part on the coupling body 1.

[0028] Specifically, Figure 1-Figure 5 As shown, the locking assembly includes a locking clamping plate 19 and a locking clamping groove 20, wherein the locking clamping plate 19 is fixedly connected to one side of the magnetic abutment plate 3, and the locking clamping groove 20 is provided on one end of the shaft 12, and the inner wall of the locking clamping groove 20 and the surface of the locking clamping plate 19 are clamped and adapted, and the locking clamping plate 19 and the locking clamping groove 20 are aligned to clamp the shaft 12 against the magnetic abutment plate 3, so as to prevent the shaft 12 from slipping and loosening in the coupling body 1, and to prevent the shaft 12 from being subsequently removed from the coupling body 1.

[0029] Furthermore, the inner wall of the adjustment slot 4 is rotatably connected to a guide wheel 23 via a pin shaft, and the surface of the guide wheel 23 is rollingly connected to the surface of the pull rod 6. Adding the guide wheel 23 can help the pull rod 6 to move telescopically smoothly.

[0030] Example 2 Please refer to Figure 1-Figure 5 The difference between this embodiment and embodiment 1 is that: the front and rear sides of the shaft rod 12 are fixedly connected with anti-skid abutment plates 21, and the front and rear sides of the inner wall of the coupling body 1 are provided with anti-skid abutment grooves 22, and the inner wall of the anti-skid abutment groove 22 abuts against the surface of the anti-skid abutment plate 21. The shaft rod 12 is pushed into the interior of the coupling body 1 by using the anti-skid abutment plate 21 and the anti-skid abutment groove 22, so that the shaft rod 12 can enter the coupling body 1 smoothly and accurately, so as to carry out the subsequent alignment connection of the shaft rod 12 with other structures inside the coupling body 1.

[0031] Furthermore, a temporary locking plate 24 is fixedly connected to the surface of the raised constraint plate 5 close to its side surface, and a locking groove plate 25 is provided on one side of the inner wall of the adjustment slot 4. The inner wall of the locking groove plate 25 and the surface of the temporary locking plate 24 are magnetically connected. Through the arrangement of the locking groove plate 25 and the temporary locking plate 24, the raised constraint plate 5 can be temporarily clamped and constrained in the adjustment slot 4.

[0032] Working principle of the utility model: when in use, the staff can use the anti-skid abutment plate 21 and the anti-skid abutment groove 22 to push the shaft rod 12 into the interior of the coupling body 1, so that the shaft rod 12 can enter the coupling body 1 smoothly and accurately, so as to carry out the subsequent alignment connection of the shaft rod 12 with other structures inside the coupling body 1. The locking clamping plate 19 and the locking clamping groove 20 can be aligned first to clamp the shaft rod 12 against the magnetic abutment plate 3, which can prevent the shaft rod 12 from slipping and loosening in the coupling body 1. The shaft rod 12 can be pushed deep into the interior of the coupling body 1 by external force to compress the spring 11 telescopic rod 2 to make it enter a compressed and stored force state, and then the pulling rod 6 is pushed downward to release the clamping state between the temporary clamping plate 24 and the clamping groove plate 25 on the raised constraint plate 5. The subsequently raised constraint plate 5 is compressed in the spring The elastic force of the spring 11 pushes the moving card to rest against the inner wall of the concave constraint groove 13. The anti-roll plate 7 and the anti-roll groove 8 are arranged to reduce the deflection of the raised constraint plate 5 during the movement in the adjustment slot 4. After the shaft rod 12 is positioned left, right, up, and down, the adjusting screw 9 can be rotated and threadedly connected to the inner wall of the connecting screw groove 10 to enhance the connection between the coupling body 1 and the shaft rod 12. The addition of the guide wheel 23 can help the smooth telescopic movement of the pulling rod 6, and the coupling body 1 is divided into symmetrical parts. The single damaged part can be disassembled and replaced by the fixing screw 15. The protective cover 18 can be connected in the magnetic card slot 17 to wrap and protect the adjustment part on the coupling body 1, ensuring the multi-directional connection between the coupling and the shaft rod 12 and the subsequent rapid and automatic disassembly and assembly effect.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coupling for a scraper, comprising a coupling body (1), characterized in that: A spring telescopic rod (2) is fixedly connected to the side of the inner wall of the coupling body (1), one end of the spring telescopic rod (2) is fixedly connected to a magnetic abutment plate (3), one side of the magnetic abutment plate (3) is connected to a locking component, the top and bottom of the coupling body (1) are both provided with adjustment slots (4), the inner wall of the adjustment slot (4) is slidably connected to a raised constraint plate (5), a pull rod (6) is fixedly connected to the surface of the raised constraint plate (5) near the middle thereof, an anti-tilt plate (7) is fixedly connected to the side of the raised constraint plate (5), an anti-tilt groove (8) is provided on the side of the inner wall of the adjustment slot (4), the inner surface of the anti-tilt groove (8) is provided with a pull rod (6) and a pull rod (6) is fixedly connected to the side of the raised constraint plate (5), and an anti-tilt groove (8) is provided on the inner wall of the adjustment slot (4). The wall and the surface of the anti-roll plate (7) are slidably connected, the internal thread of the coupling body (1) is connected to an adjusting screw (9), the top of the anti-roll plate (7) is provided with a connecting screw groove (10), the inner wall of the connecting screw groove (10) is threadedly connected to the surface of the adjusting screw (9), the surface of the raised constraint plate (5) and the surface of the inner wall of the adjustment slot (4) are connected via a damping pad, a compression spring (11) is connected between the surface of the raised constraint plate (5) and the surface of the inner wall of the adjustment slot (4), a shaft (12) is placed inside the coupling body (1), the top and bottom of the shaft (12) are provided with concave constraint grooves (13), and the inner wall of the concave constraint groove (13) and the surface of the raised constraint plate (5) are snap-fitted and adapted.

2. A coupling for a scraper according to claim 1, characterized in that: The coupling body (1) is composed of two side plates (14), the interiors of the two side plates (14) are threadedly connected with a firm screw rod (15) via an internal thread groove, and the side surfaces of the side plates (14) are fixedly connected with a restraining sleeve (16).

3. A coupling for a scraper according to claim 1, characterized in that: The outer surface of the coupling body (1) is provided with a magnetic card slot (17), the inner wall of the magnetic card slot (17) is clamped with a protective sleeve (18), and the interior of the protective sleeve (18) is sleeved on the circumferential exterior of the coupling body (1).

4. A coupling for a scraper according to claim 1, characterized in that: The locking assembly comprises a locking clamping plate (19) and a locking clamping groove (20), wherein the locking clamping plate (19) is fixedly connected to one side of the magnetic abutment plate (3), and the locking clamping groove (20) is formed on one end of the shaft (12), and the inner wall of the locking clamping groove (20) is clamped and adapted to the surface of the locking clamping plate (19).

5. A coupling for a scraper according to claim 1, characterized in that: The front and rear sides of the shaft rod (12) are fixedly connected to an anti-skid abutment plate (21), and the front and rear sides of the inner wall of the coupling body (1) are provided with an anti-skid abutment groove (22), and the inner wall of the anti-skid abutment groove (22) abuts against the surface of the anti-skid abutment plate (21).

6. A coupling for a scraper according to claim 1, characterized in that: The inner wall of the adjustment slot (4) is rotatably connected to a guide wheel (23) via a pin, and the surface of the guide wheel (23) is rollingly connected to the surface of the pull rod (6).

7. A coupling for a scraper according to claim 1, characterized in that: A temporary locking plate (24) is fixedly connected to a surface of the raised restraining plate (5) close to its side surface, a locking groove plate (25) is provided on one side of the inner wall of the adjustment slot (4), and the inner wall of the locking groove plate (25) and the surface of the temporary locking plate (24) are magnetically locked.

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