Oldham coupling

Abstract

The utility model discloses an Oldham coupling which comprises two bases, two rotating shafts are fixedly assembled on the bases, a clamping plate is arranged between the two bases, ribs are arranged on the two sides of the surface of the clamping plate, grooves are formed in the positions, close to the clamping plate, of the bases, and the two ends of the grooves are connected with the clamping plate. The protruding edges are clamped in the adjacent groove bodies, and protection structures are arranged on the side faces of the two bases and the side faces of the clamping plates. Through cooperation of the bases and the rotating shafts and cooperation of the clamping plates and the protruding edges, the ends of the rotating shafts are installed on the bases, the clamping plates are arranged between the two bases, the protruding edges are arranged on the two side faces of each clamping plate, the protruding edges are clamped into the groove bodies, and the protruding edges on the two sides are in a crossed cross shape. And the protection structures are installed on the outer sides of the base and the clamping plates, the side faces of the base and the clamping plates are shielded through the protection structures, separation between the clamping plates and the base in the rotating process is avoided, safety performance is improved, and practicability is enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of couplings, and specifically relates to a cross-slider coupling. Background Art

[0002] The cross-slider coupling is widely used in general machinery, hydraulic machinery, engineering machinery, metallurgical machinery, mining machinery, chemical machinery and other occasions. When assembling, remove burrs and clean all parts. When assembling, ensure that the center lines of the two middle welded fork bearing holes are on the same plane, and the allowable difference shall not exceed 1 degree. The spline part should slide freely and the joint should rotate flexibly. Clean the surface. Except for the flange end face and the end face key, apply anti-rust grease, and the rest should be painted with anti-rust primer, then spray paint, and lubricate regularly. It is recommended to oil once a week and once a day under high temperature conditions. In actual use, once the cross-slider coupling is operated at a certain speed, it will appear to be detached, with low safety performance and poor practical performance. Utility Model Content

[0003] The purpose of the utility model is to provide a cross-slider coupling to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cross slider coupling, comprising a base, on which a rotating shaft is fixedly mounted, the number of the base and the rotating shaft are both two, a clamping plate is arranged between the two bases, ridges are arranged on both sides of the surface of the clamping plate, a groove body is opened near the clamping plate, the ridge is clamped in the adjacent groove body, and protective structures are arranged on the sides of the two bases and the clamping plate.

[0005] Preferably, the protective structure includes two protective shells, the inner sides of the two protective shells are fixedly equipped with protrusions, the side of the base is provided with a recess, the protrusion is snapped into the recess, both ends of the protective shells are fixedly equipped with frames, a bolt passes through two adjacent frames, both ends of the bolts are screwed with nuts, and the nuts fit tightly with the adjacent frames.

[0006] Preferably, a rubber pad is fixedly mounted on the inner side of the protective shell, and the rubber pad fits the base and the clamping plate.

[0007] Preferably, a support is fixedly mounted on the side surfaces of two adjacent frames that are close to each other, and a spring is fixedly mounted between the two supports.

[0008] Preferably, grooves are provided at both ends of the convex ridge, and a protrusion is fixedly clamped on the inner wall of the groove.

[0009] Preferably, the surface of the ridge is a frosted surface.

[0010] Compared with the prior art, the beneficial effects of the utility model are: a cross slider coupling, through the cooperation of the base and the rotating shaft, through the cooperation of the clamping plate and the convex ridge, the end of the rotating shaft is installed on the base, a clamping plate is arranged between the two bases, and convex ridges are arranged on both sides of the clamping plate, and the convex ridges are clamped into the groove body, and the convex ridges on both sides are in a cross shape. Through the cooperation of the protective structure, the protective structure is installed on the outer side of the base and the clamping plate, and the sides of the base and the clamping plate are shielded by the protective structure to avoid the separation between the clamping plate and the base during rotation, thereby improving safety performance and enhancing practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the structure of the utility model.

[0012] Figure 2 This is a structural cross-sectional view of the utility model.

[0013] Figure 3 It is a top view of the splint structure of the utility model.

[0014] In the figure: 1. base; 2. rotating shaft; 3. splint; 4. ridge; 5. groove; 6. bump; 7. protrusion; 8. rubber pad; 9. protective shell; 10. frame; 11. bolt; 12. nut; 13. support; 14. spring. DETAILED DESCRIPTION

[0015] 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.

[0016] See also Figure 1-3 The utility model provides a technical solution: a cross slider coupling, including a base 1, a rotating shaft 2 is fixedly mounted on the base 1, the number of the base 1 and the rotating shaft 2 are both two, a clamping plate 3 is arranged between the two bases 1, and convex ridges 4 are arranged on both sides of the surface of the clamping plate 3, a groove body is opened at the position of the base 1 near the clamping plate 3, the convex ridge 4 is clamped in the adjacent groove body, and a protective structure is arranged on the sides of the two bases 1 and the clamping plate 3.

[0017] The end of the rotating shaft 2 is installed on the base 1, and a splint 3 is arranged between the two bases 1. Both sides of the splint 3 are provided with ridges 4. The ridges 4 are snapped into the groove body, and the ridges 4 on both sides are in a cross shape. A protective structure is installed on the outside of the base 1 and the splint 3. The sides of the base 1 and the splint 3 are shielded by the protective structure to prevent the splint 3 from detaching from the base 1 during rotation.

[0018] Specifically, the protection structure includes two protective shells 9, the inner sides of the two protective shells 9 are fixedly equipped with protrusions 7, the side of the base 1 is provided with a recess, the protrusion 7 is snapped into the recess, both ends of the protective shells 9 are fixedly equipped with frames 10, a bolt 11 passes through two adjacent frames 10, both ends of the bolt 11 are screwed with nuts 12, and the nuts 12 fit tightly with the adjacent frames 10.

[0019] The protective structure is set on the side of the base 1 and the splint 3, and the position of the protrusion 7 is snapped into the depression of the base 1. The bolt 11 passes through the two frames 10 and is fixed with a nut 12. The protective shell 9 is sleeved on the base 1 and the splint 3 to prevent the base 1 and the splint 3 from detaching, thereby playing a protective role.

[0020] Specifically, a rubber pad 8 is fixedly mounted on the inner side of the protective shell 9 , and the rubber pad 8 fits the base 1 and the clamping plate 3 .

[0021] A rubber pad 8 is arranged on the inner wall of the protective shell 9 to reduce the wear between the protective shell 9 and the base 1 and the clamping plate 3 .

[0022] Specifically, a support 13 is fixedly mounted on a side surface of two adjacent frames 10 that are close to each other, and a spring 14 is fixedly mounted between the two supports 13 .

[0023] A support 13 is installed on the frame 10, and a spring 14 is fixedly installed between two adjacent supports 13. The spring 14 can undergo elastic deformation according to its own elastic properties. The frames 10 on both sides are supported by the supports 13, thereby reducing the vibration effect caused by the two protective shells 9 during use and being more stable.

[0024] Specifically, grooves 5 are formed at both ends of the convex ridge 4 , and a protrusion 6 is fixedly clamped on the inner wall of the groove 5 .

[0025] Grooves 5 are provided on both sides of the ridge 4, and the protrusions 6 are snapped into the inside of the grooves 5. The protrusions 6 are slightly larger than the grooves 5, and the ridges 4 can be slightly deformed so that the ridges 4 are tightly pressed against the base 1, thereby enhancing the fixing effect.

[0026] Specifically, the surface of the ridge 4 is a frosted surface.

[0027] The surface of the convex ridge 4 is provided with a frosted surface, which can increase the contact friction between the ridge 4 and the base 1 and enhance the limiting effect.

[0028] Working principle: the end of the rotating shaft 2 is installed on the base 1, and a splint 3 is arranged between the two bases 1. Both sides of the splint 3 are provided with ridges 4. The ridges 4 are snapped into the groove body, and the ridges 4 on both sides are in a cross shape. A protective structure is installed on the outside of the base 1 and the splint 3. The sides of the base 1 and the splint 3 are shielded by the protective structure to prevent the splint 3 from detaching from the base 1 during rotation.

[0029] 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. An Oldham coupling, comprising a base (1), characterized in that: The base (1) is fixedly mounted with a rotating shaft (2), the base (1) and the rotating shaft (2) are both two in number, a clamping plate (3) is arranged between the two bases (1), ridges (4) are arranged on both sides of the surface of the clamping plate (3), a groove body is provided at a position of the base (1) close to the clamping plate (3), the ridges (4) are clamped in the adjacent groove body, and protective structures are arranged on the sides of the two bases (1) and the clamping plate (3).

2. The Oldham coupling according to claim 1, characterized in that: The protective structure comprises two protective shells (9), the inner side surfaces of the two protective shells (9) are fixedly equipped with protrusions (7), the side surface of the base (1) is provided with a recess, the protrusions (7) are snap-fitted into the recess, both ends of the protective shells (9) are fixedly equipped with frames (10), a bolt (11) passes through between two adjacent frames (10), both ends of the bolts (11) are screwed with nuts (12), and the nuts (12) are tightly fitted with the adjacent frames (10).

3. The Oldham coupling according to claim 2, characterized in that: A rubber pad (8) is fixedly mounted on the inner side surface of the protective shell (9), and the rubber pad (8) fits the base (1) and the clamping plate (3).

4. The Oldham coupling according to claim 2, characterized in that: A support (13) is fixedly mounted on the side surfaces of two adjacent frames (10) that are close to each other, and a spring (14) is fixedly mounted between the two supports (13).

5. The Oldham coupling according to claim 1, characterized in that: Grooves (5) are provided at both ends of the convex ridge (4), and a protrusion (6) is fixedly clamped on the inner wall of the groove (5).

6. The Oldham coupling according to claim 1, characterized in that: The surface of the convex ridge (4) is a frosted surface.

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