CN211202652U

CN211202652U - Universal coupling structure with telescopic function

Info

Publication number: CN211202652U
Application number: CN201922278653.7U
Authority: CN
Inventors: 薛海义; 陈兴贵; 查高明; 周含进; 陈超; 刘国富
Original assignee: Tangmo Transmission Machinery Wuxi Co ltd
Current assignee: Tangmo Transmission Machinery Wuxi Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-07
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to an universal joint structure with flexible function, including first flange fork, the other end of first flange fork is connected with the one end of first welding flange fork through first cross package, the other end of first welding flange fork and the one end welding of integral key shaft, the other end of integral key shaft and the cooperation of inside and outside spline housing one end sleeve inner circle form first spline pair, the cooperation of the sleeve outer lane of the other end of inside and outside spline housing and the sleeve inner circle of first spline housing one end form second spline pair, the other end of first spline housing is connected with the one end of second welding flange fork, the other end of second welding flange fork passes through second cross package and connects the second flange fork; the utility model discloses simple structure, convenient to use, through setting up inside and outside spline housing and increasing a integral key shaft, it can realize universal joint's flexible function, and through setting up interior spacing and centering ring for form spacing overtravel of avoiding stretching out and drawing back when flexible.

Description

Universal coupling structure with telescopic function

Technical Field

The utility model relates to a shaft coupling field especially relates to universal joint structure with flexible function.

Background

The universal joint pin type universal coupling is a universal transmission basic member, and its main characteristics are that it can connect two transmission shafting which are not in same axis, and can reliably transfer torque and movement, and has the advantages of high bearing capacity, long service life, stable operation, noiseless, large axial compensation quantity and simple maintenance.

But the flexible volume of universal joint can't satisfy the industrial requirement at present, and the tradition must adopt the crane to hang the cardan shaft middle part in order to realize stretching out of universal joint, strikes the function that the jaw position just can realize it stretches out through the hammer, makes universal joint's the complex operation that stretches out like this, wastes time and energy, and easily causes the jaw damage, influences life.

SUMMERY OF THE UTILITY MODEL

The applicant carries out research and improvement aiming at the existing problems, and provides a universal coupling structure with a telescopic function, which not only can realize the telescopic function of the universal coupling, but also can avoid the traditional hammer knocking method, and greatly prolongs the service life of the universal coupling.

The utility model discloses the technical scheme who adopts as follows:

the universal coupling structure with the telescopic function comprises a first flange fork, wherein one end of the first flange fork is connected with one end of a second spline sleeve in a key mode, the other end of the second spline sleeve is connected with a roller end shaft sleeve in a shaft mode, a plurality of bearings are arranged on the outer ring of the second spline sleeve, a spacer ring is arranged between every two adjacent bearings, the periphery of each bearing is coated by a retainer, the retainer is fixedly connected with a second gland matched with the periphery of the roller end shaft sleeve, and a pair of lug parts are formed along the outer ring of the retainer; the other end of the first flange fork is connected with one end of a first welding flange fork through a first cross-shaped bag, the other end of the first welding flange fork is welded with one end of a spline shaft, the other end of the spline shaft is matched with a sleeve inner ring at one end of an inner spline sleeve and a sleeve inner ring at one end of an outer spline sleeve and the other end of the inner spline sleeve and the other end of the outer spline sleeve are matched with a sleeve inner ring at one end of the first spline sleeve to form a second spline pair, the other end of the first spline sleeve is connected with one end of a second welding flange fork, and the other end of the second welding flange fork is connected with the second flange fork through a second cross-shaped bag; a first centering ring is fixedly connected to one end, matched with the inner ring of the sleeve of the inner and outer spline sleeves, of the first spline shaft through a fastener, and the inner ring of the sleeve of the inner and outer spline sleeves extends in the radial direction to form a first inner limit for blocking the axial overtravel of the first spline shaft; a second centering ring is fixedly connected to one end, matched with the inner ring of the spline sleeve, of the outer ring of the inner and outer spline sleeves through a fastener, and a second inner limit for blocking the axial over-travel of the inner and outer spline sleeves is formed by radially extending the inner ring of the sleeve of the spline sleeve;

the further technical scheme is as follows:

the end face of one end of the inner spline housing, which is not matched with the inner ring of the first spline housing sleeve, is fixedly connected with a sealing gasket and a first gland in sequence through a fastener, the end of the first spline housing, which is not connected with the second welding flange yoke, is fixedly connected with the sealing gasket and the first gland in sequence through the fastener, and the first gland covers the upper surface of the sealing gasket.

The utility model has the advantages as follows:

the utility model discloses simple structure, convenient to use, through setting up inside and outside spline housing and increasing a integral key shaft, it can realize universal coupling's flexible function, and through addding interior spacing and centering ring for form spacing flexible overtravel of avoiding when flexible, the sealed sealing up of arranging of gland and sealed pad can guarantee inside and outside spline housing, spline housing terminal surface, set up the movable block cooperation that the ear enabled its and spiale bracket through the holder, utilize outside drive power drive spiale bracket to drive the holder and make the utility model discloses realize shrink and extension, avoid the tradition to strike the problem that the process influences structural life.

Drawings

Fig. 1 is a schematic structural view of the extended state of the present invention.

Fig. 2 is a schematic structural diagram of the present invention in an intermediate state.

Fig. 3 is a schematic structural diagram of the present invention in a shortened state.

Fig. 4 is an enlarged schematic view of fig. 1 at a.

FIG. 5 is a schematic sectional view of FIG. 1 taken along the line B-B.

Wherein: 1. a first flange yoke; 2. a first cross pack; 3. a first welding flange yoke; 4. a spline shaft; 5. a first gland; 6. a gasket; 7. an inner spline housing and an outer spline housing; 8. a first spline housing; 9. a first inner limit; 10. a first centering ring; 11. second inner limiting; 12. a second centering ring; 13. a second welding flange yoke; 14. a twentieth packet; 15. a second flange yoke; 16. a flat bond; 17. a second spline housing; 18. a bearing; 19. a spacer ring; 20. a holder; 2001. an ear portion; 21. a second gland; 22. and a roller end shaft sleeve.

Detailed Description

The following describes embodiments of the present invention.

As shown in fig. 1, the universal coupling structure with a telescopic function includes a first flange yoke 1, one end of the first flange yoke 1 is connected with one end of a second spline housing 17 through a flat key 16, the other end of the second spline housing 17 is connected with a roller end shaft housing 22, a plurality of bearings 18 are arranged on an outer ring of the second spline housing 17, a spacer ring 19 is arranged between adjacent bearings 18, the periphery of each bearing 18 is covered by a retainer 20, the retainer 20 is fixedly connected with a second gland 21 matched with the periphery of the roller end shaft housing 22, and the roller end shaft housing 22 is used for matching with a roller. As shown in fig. 1, the other end of the first flange yoke 1 is connected with one end of a first welding flange yoke 3 through a first cross-shaped bag 2, the other end of the first welding flange yoke 3 is welded with one end of a spline shaft 4, the other end of the spline shaft 4 is matched with a sleeve inner ring at one end of an inner and outer spline housing 7 to form a first spline pair, a sleeve outer ring at the other end of the inner and outer spline housing 7 is matched with a sleeve inner ring at one end of a first spline housing 8 to form a second spline pair, the other end of the first spline housing 8 is connected with one end of a second welding flange yoke 13, and the other end of the second welding flange yoke 13 is connected with a second flange yoke 15 through a second cross-shaped bag 14; a first centering ring 10 is fixedly connected to one end, matched with the sleeve inner ring of the inner spline sleeve 7 and the sleeve inner ring of the inner spline sleeve 7, of the first spline shaft 4 through a fastener, and the sleeve inner ring of the inner spline sleeve 7 and the sleeve inner ring of the outer spline sleeve extend in the radial direction to form a first inner limit 9 for blocking the axial overtravel of the first spline shaft 4; and a second centering ring 12 is fixedly connected to one end, matched with the sleeve inner ring of the first spline sleeve 8, of the sleeve outer ring of the inner and outer spline sleeves 7 through a fastener, and a second inner limit 11 for blocking the axial over-stroke of the inner and outer spline sleeves 7 is formed by extending the sleeve inner ring of the first spline sleeve 8 along the radial direction. The end face of one end of the inner and outer spline housing 7, which is not matched with the sleeve inner ring of the first spline housing 8, is also fixedly connected with the sealing gasket 6 and the first gland 5 in sequence through a fastener, the end of the first spline housing 8, which is not connected with the second welding flange yoke 13, is also fixedly connected with the sealing gasket 6 and the first gland 5 in sequence through a fastener, and the first gland 5 covers the upper surface of the sealing gasket 6.

As shown in fig. 3, the utility model discloses a shortest state, as shown in fig. 5, the outer lane of holder 20 is equipped with a pair of ear 2001, ear 2001 cooperates with the movable block on the spiale bracket, utilize external power (pneumatic cylinder or other power equipment) drive spiale bracket whole along axial displacement, because the relation of connection of ear 2001 and spiale bracket, make holder 20 with power transmission to second spline housing 17 and first flange fork 1, thereby realize that integral key shaft 4 stretches out from the sleeve inner circle of internal and external spline housing 7 and forms middle state as shown in fig. 2, after second centering ring 12 of internal and external spline housing 7 and the second of first spline housing 8 inner circle is spacing 11 to contact, internal and external spline housing 7 stops axial displacement, make integral key shaft 4 continue axial displacement and form the longest state as shown in fig. 1.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made without departing from the basic structure of the invention.

Claims

1. Universal coupling structure with flexible function, its characterized in that: the flange structure comprises a first flange fork (1), one end of the first flange fork (1) is connected with one end of a second spline sleeve (17) in a key mode, the other end of the second spline sleeve (17) is connected with a roller end shaft sleeve (22), a plurality of bearings (18) are arranged on the outer ring of the second spline sleeve (17), a spacer ring (19) is arranged between every two adjacent bearings (18), the periphery of each bearing (18) is coated by a retainer (20), the retainer (20) is fixedly connected with a second gland (21) matched with the periphery of the roller end shaft sleeve (22), and a pair of lug parts (2001) are further formed along the outer ring of the retainer (20); the other end of the first flange fork (1) is connected with one end of a first welding flange fork (3) through a first cross-shaped bag (2), the other end of the first welding flange fork (3) is welded with one end of a spline shaft (4), the other end of the spline shaft (4) is matched with a sleeve inner ring at one end of an inner spline sleeve and an outer spline sleeve (7) to form a first spline pair, a sleeve outer ring at the other end of the inner spline sleeve and the sleeve inner ring at one end of a first spline sleeve (8) are matched to form a second spline pair, the other end of the first spline sleeve (8) is connected with one end of a second welding flange fork (13), and the other end of the second welding flange fork (13) is connected with a second flange fork (15) through a second cross-shaped bag (14); one end of the first spline shaft (4) matched with the inner sleeve ring of the inner and outer spline sleeves (7) is fixedly connected with a first centering ring (10) through a fastener, and the inner sleeve ring of the inner and outer spline sleeves (7) radially extends to form a first inner limit (9) for blocking the axial overtravel of the first spline shaft (4); and a second centering ring (12) is fixedly connected to one end, matched with the sleeve inner ring of the first spline sleeve (8), of the sleeve outer ring of the inner and outer spline sleeves (7) through a fastener, and a second inner limit (11) for blocking the axial over-travel of the inner and outer spline sleeves (7) is formed by radially extending the sleeve inner ring of the first spline sleeve (8).

2. The universal joint structure with a telescopic function according to claim 1, wherein: the end face of one end of the inner and outer spline housing (7) which is not matched with the sleeve inner ring of the first spline housing (8) is fixedly connected with a sealing gasket (6) and a first gland (5) in sequence through a fastener, one end of the first spline housing (8) which is not connected with the second welding flange fork (13) is also fixedly connected with the sealing gasket (6) and the first gland (5) in sequence through a fastener, and the first gland (5) covers the upper surface of the sealing gasket (6).