CN216789041U

CN216789041U - Connecting structure of roller flat head and shaft sleeve of length-adjustable universal shaft

Info

Publication number: CN216789041U
Application number: CN202123271896.1U
Authority: CN
Inventors: 魏利权
Original assignee: Wuxi Driveshafts Co ltd
Current assignee: Wuxi Driveshafts Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-06-21
Anticipated expiration: 2031-12-22

Abstract

The utility model relates to a connecting structure of a flat roller head and a shaft sleeve of a length-adjustable universal shaft, which comprises the flat roller head and the shaft sleeve, wherein the flat roller head is arranged in the shaft sleeve in a penetrating manner, a limiting groove is formed in one side of the flat roller head, a limiting pin is arranged in the limiting groove in a penetrating manner, the limiting pin is arranged on the shaft sleeve in a penetrating manner and is fixedly connected with the shaft sleeve, and the flat roller head and the shaft sleeve of the length-adjustable universal shaft can be limited by matching the limiting pin with the limiting groove, so that the flat roller head is prevented from moving axially, the flat roller head and the shaft sleeve are prevented from falling off accidentally, and the safe production is ensured.

Description

Connecting structure of roller flat head and shaft sleeve of length-adjustable universal shaft

Technical Field

The utility model relates to the field of universal shafts, in particular to a connecting structure of a roller flat head and a shaft sleeve of a length-adjustable universal shaft.

Background

The adjustable length cardan shaft of this company's production has the telescopic spline pair, and in the course of the work, the spline pair receives the axial to realize in stretching out and drawing back, and the spline is vice at flexible in-process at that time for the roll flat head and the axle sleeve of connecting also receive the axial force, cause the roll flat head to throw off with the axle sleeve easily to lead to the production accident.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned shortcomings in the prior art, it is an object of the present invention to provide a connection structure for a roll pan and a sleeve of a length-adjustable cardan shaft, so as to solve one or more problems in the prior art.

In order to realize the purpose, the technical scheme of the utility model is as follows:

the connecting structure of the flat head of the roller and the shaft sleeve of the universal shaft with the adjustable length comprises the flat head of the roller and the shaft sleeve, wherein the flat head of the roller is arranged in the shaft sleeve in a penetrating mode, a limiting groove is formed in one side of the flat head of the roller, a limiting pin is arranged in the limiting groove in a penetrating mode, and the limiting pin is arranged on the shaft sleeve in a penetrating mode and is fixedly connected with the shaft sleeve.

As a further improvement of the technical scheme:

the shaft sleeve is provided with a pin hole allowing the limiting pin to penetrate through, and the limiting pin is in clearance fit with the pin hole.

One end of the limit pin is connected with the square head, the other end of the limit pin is connected with the stud, the square head and the stud are both positioned on the outer side of the shaft sleeve, and the limit pin and the shaft sleeve are fixed through the nut matched with the stud.

The shaft sleeve is matched with the limiting pin and provided with two supporting planes, the supporting plane on one side is used for supporting the square head of the limiting pin, and the supporting plane on the other side is used for fixing the nut of the limiting pin.

Gaskets can be arranged between the square head and the support plane and between the nut and the support plane.

The limiting pin is of a trapezoidal structure with a small inner part and a large outer part, the cross section of the other side of the limiting pin is semicircular, and the shape of the pin hole is consistent with that of the positioning pin.

The sealing structure is characterized in that a sealing groove is arranged in the shaft sleeve, and a sealing shaft sleeve and a sealing ring of the flat head of the roller are arranged in the sealing groove.

The wear-resisting plate is arranged in the shaft sleeve, the wear-resisting plate penetrates through the shaft sleeve to be fixedly connected through a countersunk screw in the outer side, and a countersunk hole is formed in the outer side of the shaft sleeve.

The shaft sleeve is connected with the end cover through a bolt matched with the flange.

Compared with the prior art, the utility model has the following beneficial technical effects:

1) the shaft sleeve is connected with a limiting pin, and the matched limiting pin is clamped into a limiting groove of the flat head of the roller to limit the flat head of the roller, so that the flat head of the roller is prevented from being separated from the shaft sleeve, and production accidents are prevented;

2) the limit pin is connected with the square head and the screw rod, the shaft sleeve is detachably connected through the nut, the limit pin is conveniently detached, and the shaft sleeve and the roll flat head are detached;

3) the shaft sleeve is provided with a supporting plane for supporting the square head and the nut, so that the connection stability of the limiting pin is ensured;

4) the cross section of the limiting groove and the cross section of the part, clamped into the limiting groove, of the limiting pin are both trapezoidal, and the limiting effect is good.

Drawings

Fig. 1 is a sectional view showing a roll presser and sleeve coupling structure of a length-adjustable cardan shaft according to the present invention.

Fig. 2 shows a cross-sectional view a-a in fig. 1.

Fig. 3 is a front view showing a roll butt and sleeve connection structure stopper pin of the length-adjustable cardan shaft of the present invention.

Fig. 4 shows a cross-sectional view B-B in fig. 1.

In the drawings, the reference numbers:

1. rolling a flat head; 11. a limiting groove; 2. a shaft sleeve; 21. a pin hole; 22. a support plane; 23. a sealing groove; 24. a countersunk hole; 25. an end cap; 3. a spacing pin; 31. a square head; 32. a stud; 33. a nut; 4. a gasket; 5. a wear plate; 51. countersunk head screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are all used in a non-precise scale for the purpose of facilitating and distinctly aiding in the description of the embodiments of the present invention. To make the objects, features and advantages of the present invention comprehensible, reference is made to the accompanying drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the implementation of the present invention, so that the present invention has no technical significance, and any structural modification, ratio relationship change or size adjustment should fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.

As shown in fig. 1 to 4, the connection structure of the roll flat head and the shaft sleeve of the length-adjustable universal shaft of the embodiment includes a roll flat head 1 and a shaft sleeve 2, the roll flat head 1 penetrates through the shaft sleeve 2, a sealing groove 23 is arranged in the shaft sleeve 2, a sealing ring for sealing the shaft sleeve 2 and the roll flat head 1 is arranged in the sealing groove 23, an abrasion-resistant plate 5 is arranged in the shaft sleeve 2, the abrasion-resistant plate 5 penetrates through the shaft sleeve 2 through a countersunk head screw 51 at the outer side to be fixedly connected, and a countersunk head hole 24 is arranged at the outer side of the shaft sleeve 2;

limiting groove 11 is seted up to flat head 1 one side of roll, limiting groove 11 is perpendicular with the axial direction of the flat head 1 of roll, and 2 cooperation limiting grooves 11 of axle sleeve have also seted up pinhole 21, spacer pin 3 has been worn in limiting groove 11 and the

pinhole

21, 3 one end connection square heads 31 of spacer pin, other end connecting stud 32, square heads 31 and stud 32 all are located the axle sleeve 2 outside, and it is fixed with axle sleeve 2 with spacer pin 3 through nut 33

cooperation stud

32, 2 cooperation spacer pins 3 of axle sleeve are provided with two supporting plane 22, the supporting plane 22 of one side is used for supporting the square heads 31 of spacer pin 3, the supporting plane 22 of opposite side is used for the nut 33 of fixed spacer pin 3, all can set up gasket 4 between square heads 31 and nut 33 and the supporting plane 22.

The limiting pin 3 is of a trapezoidal structure with a small inner part and a large outer part, the limiting groove 11 is of an open trapezoidal structure, the cross section of the other side of the limiting pin 3 is semicircular, the shape of the hole 21 of the pin hole is consistent with that of the limiting pin 3, and the hole is slightly larger than the limiting pin 3, so that the limiting pin 3 is in clearance fit with the pin hole 21.

The shaft sleeve 2 is connected with an end cover 25 through a bolt matched flange.

When the connection structure of the flat head of the roller of the length-adjustable universal shaft and the shaft sleeve of the embodiment is connected, the flat head 1 of the roller is penetrated into the shaft sleeve 2, two countersunk head screws 51 are screwed, the flat head 1 of the roller can be clamped through the wear-resisting plate 5, then, the spacer 4 is sleeved on the limiting pin 3, the limiting pin 3 sequentially penetrates through the pin hole 21 and the limiting groove 11 from one side of the shaft sleeve 2, the shaft sleeve 2 is penetrated through one end of the stud 32 of the limiting pin 3, the spacer 4 and the nut 33 are sleeved on the limiting pin, the limiting pin 3 is fixed by screwing the nut 33, namely, the connection of the flat head 1 of the roller and the shaft sleeve 2 is completed, the limiting pin 3 is matched with the limiting groove 11, the flat head 1 of the roller is limited, and the flat head 1 of the roller can be prevented from axially moving in work.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several polygons and modifications can be made without departing from the inventive concept, and these shall all fall within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a connection structure of flat head of roll and axle sleeve of adjustable cardan shaft of length which characterized in that: the roller flat head is penetrated in the shaft sleeve, a limiting groove is formed in one side of the roller flat head, a limiting pin is penetrated in the limiting groove, and the limiting pin is penetrated on the shaft sleeve and is fixedly connected with the shaft sleeve.

2. The connecting structure of the mill roll flat head and the shaft sleeve of the length-adjustable cardan shaft according to claim 1, characterized in that: the shaft sleeve is provided with a pin hole allowing the limiting pin to penetrate through, and the limiting pin is in clearance fit with the pin hole.

3. The connecting structure of the mill roll flat head and the shaft sleeve of the length-adjustable cardan shaft according to claim 2, wherein: one end of the limiting pin is connected with the square head, the other end of the limiting pin is connected with the stud, the square head and the stud are both located on the outer side of the shaft sleeve, and the limiting pin and the shaft sleeve are fixed through the nut matched with the stud.

4. The connecting structure of the mill roll flat head and the shaft sleeve of the length-adjustable cardan shaft according to claim 3, wherein: the shaft sleeve is matched with the limiting pin and is provided with two supporting planes, the supporting plane on one side is used for supporting the square head of the limiting pin, and the supporting plane on the other side is used for fixing the nut of the limiting pin.

5. The connecting structure of the mill roll flat head and the shaft sleeve of the length-adjustable cardan shaft according to claim 4, wherein: and gaskets can be arranged between the square head and the support plane and between the nut and the support plane.

6. The connecting structure of the mill roll flat head and the shaft sleeve of the length-adjustable cardan shaft according to claim 2, wherein: the limiting pin is of a trapezoidal structure with a small inner part and a large outer part, the cross section of the other side of the limiting pin is semicircular, and the shape of the pin hole is consistent with that of the positioning pin.

7. The connecting structure of the mill roll flat head and the shaft sleeve of the length-adjustable cardan shaft according to claim 1, characterized in that: the sealing structure is characterized in that a sealing groove is arranged in the shaft sleeve, and a sealing shaft sleeve and a sealing ring of the flat head of the roller are arranged in the sealing groove.

8. The connecting structure of the mill roll flat head and the shaft sleeve of the length-adjustable cardan shaft according to claim 1, characterized in that: the wear-resisting plate is arranged in the shaft sleeve, the wear-resisting plate penetrates through the shaft sleeve to be fixedly connected through a countersunk screw in the outer side, and a countersunk hole is formed in the outer side of the shaft sleeve.

9. The connecting structure of the mill roll flat head and the shaft sleeve of the length-adjustable cardan shaft according to claim 1, characterized in that: the shaft sleeve is connected with the end cover through a bolt matched with the flange.