CN212455253U

CN212455253U - Novel high-temperature-resistant sintered lightweight ball cage universal joint

Info

Publication number: CN212455253U
Application number: CN202021205142.9U
Authority: CN
Inventors: 陈祖勇
Original assignee: Yuhuan Kingtime Machinery Forging Co ltd
Current assignee: Yuhuan Kingtime Machinery Forging Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-02-02
Anticipated expiration: 2030-06-24

Abstract

The utility model belongs to the technical field of machine manufacturing, in particular to a novel high-temperature sintering resistant lightweight ball cage universal joint, which comprises a ball cage universal joint main body, a shaft lever and an inner sleeve, wherein the inner sleeve is arranged inside the ball cage universal joint main body, the ball cage universal joint main body and the end part at the opposite side of the shaft lever are respectively fixed with a ring block and a limiting block in a welding way, the connecting stability of the ball cage universal joint main body and the shaft lever is ensured and the later detachment of the shaft lever is facilitated by the inserting and rotating action of a part of a positioning block on the limiting block at a first clamping groove and a second clamping groove in the ring block and the screwing and fastening effect of a fastening piece at a perforation and a screw hole, and meanwhile, the heat dissipation performance of the high-temperature sintering resistant lightweight ball cage universal joint is greatly enhanced by arranging a certain number of first grooves, second grooves and channels on the inner sleeve in the ball cage universal joint main body, the high-efficiency and stable use operation of the high-temperature sintering resistant light-weight ball cage universal joint is ensured.

Description

Novel high-temperature-resistant sintered lightweight ball cage universal joint

Technical Field

The utility model belongs to the technical field of the machine-building, concretely relates to novel anti high temperature sintering lightweight ball cage universal joint.

Background

The existing ball cage universal joint mainly comprises an outer sleeve, an inner sleeve, a retainer, steel balls, a dust cover, a clamp, a retainer ring, a spline shaft and the like, wherein the outer sleeve inner spherical surface and the retainer outer spherical surface of the ball cage universal joint form a spherical pair, and the inner sleeve outer spherical surface and the retainer inner spherical surface of the ball cage universal joint form a spherical pair, when the ball cage universal joint works, the spherical pair generates heat due to relative friction, the temperature is gradually increased, the spherical pair is easy to be adhered at high temperature to cause sintering damage, particularly under the conditions of high speed, large angle and heavy load, the problem of high-temperature sintering damage of the spherical pair is particularly prominent, therefore, in the current technical means, a single-row of grooves are often arranged on the inner sleeve, the weight of the ball cage universal joint is increased, the self weight is reduced, the heat dissipation performance of the ball cage universal joint is improved, and the existing high-temperature sintering resistant lightweight ball cage universal joint is formed, most of the shaft levers on the ball cage are integrated with the main body, so that corresponding disassembly processing cannot be carried out, the practicability is poor, the maintenance cost is high, the heat dissipation effect is not obvious, and the high-efficiency usability of the anti-high-temperature sintering lightweight ball cage universal joint is reduced to an integrated degree.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides a novel anti high temperature sintering lightweight ball cage universal joint has the characteristics that reduce the maintenance cost and strengthen the radiating effect.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a novel high temperature sintering resistance lightweight ball cage universal joint, includes ball cage universal joint main part, axostylus axostyle and endotheca, the endotheca is established the inside of ball cage universal joint main part, ball cage universal joint main part with the end part of the relative one side of axostylus axostyle is the butt fusion respectively and is fixed with ring piece and stopper, be equipped with the cavity in the ring piece, integrated into one piece has the locating piece on the outer wall of stopper, on the ring piece inner wall with the corresponding position department of locating piece has seted up a draw-in groove and No. two draw-in grooves, the spiral closure is connected with the fastener on the outer wall of ring piece, the ring piece with be close to in the stopper the position punishment of fastener has do not seted up perforation and screw hole, the endotheca has.

As the utility model discloses a novel preferred technical scheme of high temperature sintering resistance lightweight ball cage universal joint, the outside of stopper has seted up the circle groove on the surface, and the circle inslot is equipped with the sealing washer, and the sealing washer is rubber component.

As the utility model discloses a novel preferred technical scheme of high temperature resistant sintering lightweight ball cage universal joint, revolve the line that is equipped with on the hole inner circle table wall with the screw thread that distributes on the fastener outer wall agrees with mutually.

As the utility model discloses a novel preferred technical scheme of high temperature resistant sintering lightweight ball cage universal joint, first recess the second recess with the channel all is provided with a plurality ofly.

As the utility model discloses a novel preferred technical scheme of anti high temperature sintering lightweight ball cage universal joint, a draw-in groove with No. two draw-in grooves are the connectivity structure.

As the utility model discloses a novel preferred technical scheme of high temperature sintering resistance lightweight ball cage universal joint, the size of locating piece with size phase-match in the No. two draw-in grooves.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses when using, part through locating piece on the stopper is in the ring piece draw-in groove No. one, the grafting of No. two draw-in grooves departments is rotated the effect, the cooperation fastener is in the perforation, connect fastening effect soon of hole department, the connection steadiness of ball cage universal joint main part and axostylus axostyle has been guaranteed promptly, the later stage of also being convenient for is to the tear-off of axostylus axostyle, make the axostylus axostyle possess the detachability, the personnel of being convenient for handle ball cage universal joint main part or axostylus axostyle independent processing of going wrong, the maintenance cost is reduced, simultaneously through set up the first recess of a certain quantity on the endotheca in ball cage universal joint main part, second recess and channel, the heat dispersion of high temperature resistant sintering lightweight ball cage universal joint has been strengthened to.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a portion of the middle ring block of the present invention when connected to the limiting block;

fig. 3 is a schematic structural view of the inner sleeve portion of the present invention.

In the figure: 1. a ball cage gimbal body; 2. a shaft lever; 3. an inner sleeve; 4. a ring block; 5. a limiting block; 6. positioning blocks; 7. a first card slot; 8. a second card slot; 9. a fastener; 10. perforating; 11. screwing holes; 12. a cavity; 13. a seal ring; 14. a ring groove; 15. a first groove; 16. a second groove; 17. a channel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: a novel high-temperature sintering resistant lightweight ball cage universal joint comprises a ball cage universal joint main body 1, a shaft lever 2 and an inner sleeve 3, wherein the inner sleeve 3 is arranged inside the ball cage universal joint main body 1, the end part of one side, opposite to the ball cage universal joint main body 1 and the shaft lever 2, of the inner sleeve is respectively fixedly welded with a ring block 4 and a limiting block 5, a cavity 12 is arranged in the ring block 4, a positioning block 6 is integrally formed on the outer wall of the limiting block 5, a first clamping groove 7 and a second clamping groove 8 are arranged on the inner wall of the ring block 4 and correspond to the positioning block 6, a fastening piece 9 is screwed and connected onto the outer wall of the ring block 4, a through hole 10 and a screwed hole 11 are respectively arranged on the positions, close to the fastening piece 9, in the ring block 4 and the limiting block 5, a first groove 15, a second groove 16 and a channel, by utilizing the corresponding connecting components and the application components, the high-efficiency and stable use operation of the high-temperature sintering resistant light-weight ball cage universal joint is ensured.

Specifically, the outside of stopper 5 has been seted up on the surface and has been encircled groove 14, is equipped with sealing washer 13 in the circle groove 14, and sealing washer 13 is the rubber component, and in this embodiment, the sealed effect of ring piece 4 and stopper 5 junction has effectively been strengthened to the existence of rubber system sealing washer 13.

Specifically, the lines arranged on the inner ring surface wall of the rotary hole 11 are matched with the threads distributed on the outer wall of the fastening piece 9, in the embodiment, the fastening piece 9 is a fastening screw member, and the connection firmness between the ring block 4 and the limiting block 5 is ensured by using the screwing action of the fastening screw.

Specifically, first recess 15, second recess 16 and channel 17 all are provided with a plurality ofly, and in this embodiment, the heat dispersion when high temperature sintering resistance lightweight ball cage universal joint uses has been strengthened to a great extent to a certain amount of first recess 15, second recess 16 and channel 17.

Specifically, No. 7 draw-in grooves and No. two draw-in grooves 8 are the connectivity structure, and in this embodiment, the width of a draw-in groove 7 is the twice of No. two draw-in grooves 8 width, has guaranteed that locating piece 6 is normal joint rotation process in the draw-in groove.

Specifically, the size of locating piece 6 and the size phase-match in No. two draw-in grooves 8, in this embodiment, the final joint of locating piece 6 provides certain supplementary spacing effect in No. two draw-in grooves 8 that correspond for the operation of connecing soon of fastener 9.

The utility model discloses a theory of operation and use flow: in the using process of the utility model, when the ball cage universal joint main body 1 and the shaft lever 2 are required to be assembled, the limiting block 5 at one end of the shaft lever 2 is aligned with the ring block 4 at one side of the ball cage universal joint main body 1, part of the positioning block 6 is clamped into the first clamping groove 7, then the shaft lever 2 and the limiting block 5 are rotated to ensure that part of the positioning block 6 is rotated into the corresponding second clamping groove 8, the corresponding perforation 10 and the rotary hole 11 are positioned on the same axis, then the fastening piece 9 is screwed into the perforation 10 and the rotary hole 11, the stable connection of the ball cage universal joint main body 1 and the shaft lever 2 can be completed, when the ball cage universal joint main body 1 and the shaft lever 2 are required to be separated in the later stage, the separation of the ball cage universal joint main body 1 and the shaft lever 2 can be completed only by reversely repeating the steps, thereby facilitating the individual treatment of the ball cage universal joint main body 1 or the shaft lever 2 with problems for personnel, the maintenance cost is reduced, meanwhile, the first grooves 15, the second grooves 16 and the channel 17 in a certain number are formed in the inner sleeve 3 in the ball cage universal joint main body 1, the heat dissipation performance of the high-temperature sintering resistant lightweight ball cage universal joint during application is enhanced to a great extent, and the high-efficiency and stable use and operation of the high-temperature sintering resistant lightweight ball cage universal joint are guaranteed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel high temperature resistant sintering lightweight ball cage universal joint, includes ball cage universal joint main part (1), axostylus axostyle (2) and endotheca (3), its characterized in that: the inner sleeve (3) is arranged inside the ball cage universal joint main body (1), the end part of one side of the ball cage universal joint main body (1) opposite to the shaft lever (2) is respectively fixedly welded with a ring block (4) and a limiting block (5), a cavity (12) is arranged in the ring block (4), a positioning block (6) is integrally formed on the outer wall of the limiting block (5), a first clamping groove (7) and a second clamping groove (8) are formed in the inner wall of the ring block (4) at positions corresponding to the positioning blocks (6), the outer wall of the ring block (4) is screwed and connected with a fastening piece (9), the positions of the ring block (4) and the limiting block (5) close to the fastening piece (9) are respectively provided with a through hole (10) and a screw hole (11), the surface of the inner sleeve (3) is provided with a first groove (15), a second groove (16) and a channel (17).

2. The novel high-temperature-resistant sintered lightweight ball cage universal joint according to claim 1, characterized in that: a ring groove (14) is formed in the outer side surface of the limiting block (5), a sealing ring (13) is arranged in the ring groove (14), and the sealing ring (13) is a rubber component.

3. The novel high-temperature-resistant sintered lightweight ball cage universal joint according to claim 1, characterized in that: the lines arranged on the surface wall of the inner ring of the rotary hole (11) are matched with the threads distributed on the outer wall of the fastening piece (9).

4. The novel high-temperature-resistant sintered lightweight ball cage universal joint according to claim 1, characterized in that: the first groove (15), the second groove (16) and the channel (17) are all provided in plurality.

5. The novel high-temperature-resistant sintered lightweight ball cage universal joint according to claim 1, characterized in that: the first clamping groove (7) and the second clamping groove (8) are of communicated structures.

6. The novel high-temperature-resistant sintered lightweight ball cage universal joint according to claim 1, characterized in that: the size of the positioning block (6) is matched with the size in the second clamping groove (8).