CN210371732U - Cross axle - Google Patents

Abstract

The utility model discloses a cross, concretely relates to cross field, it has solved the relatively poor problem of oil blanket sealing effect between the round pin axle of current cross and the bearing housing. The cross shaft comprises a fixed block, wherein pin shafts are fixedly arranged on the periphery of the fixed block, the fixed block and four pin shafts are of an integrated structure, a bearing sleeve assembly is sleeved on the pin shafts and comprises a bearing sleeve body, a retainer ring and a retainer ring, the bearing sleeve body, the retainer ring and the retainer ring are all sleeved on the pin shafts, the retainer ring is arranged between the bearing sleeve body and the retainer ring, an oil seal is arranged between the retainer ring and the retainer ring, the retainer ring is provided with an annular groove surrounding the pin shafts, and the oil seal is embedded in the annular groove and is abutted against the retainer ring. The utility model discloses a retaining ring and protective shroud cooperation form the support to the oil blanket, make the oil blanket non-deformable in the use, and sealed effect is more stable.

Description

Cross axle

Technical Field

The utility model relates to a cross field relates to a cross, especially a cross.

Background

The cross shaft is also called a ten-joint, namely a universal joint, and is called a universal joint, and is a work for realizing variable-angle power transmission, is used for positions where the direction of a transmission axis needs to be changed, and is a joint part of a universal transmission device of an automobile driving system, the cross shaft type rigid universal joint is a non-constant velocity universal joint widely used on an automobile, the maximum intersection angle of two adjacent shafts is allowed to be 15-20 degrees, and the cross shaft is one of key parts of the cross shaft type rigid universal joint.

The main technical problem who exists in current cross is that, all seal through the oil blanket between four round pins of cross and the bearing housing, prevent that the lubricating oil between round pin axle and the bearing housing from leaking, however, because the oil blanket is flexible material, easy atress takes place to warp to lead to sealed effect to reduce, the oil leak phenomenon appears.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a cross, the utility model aims to solve the technical problem that: how to improve the sealing effect between the pin shaft of the cross shaft and the bearing sleeve.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a cross, includes the fixed block, the fixed block all is fixed all around and is equipped with the round pin axle, fixed block and four round pin axle formula structures as an organic whole, the epaxial bearing housing subassembly that has cup jointed of round pin, a serial communication port, the bearing housing subassembly includes bearing housing body, retaining ring and protective shroud, bearing housing body, retaining ring and protective shroud all cup joint in selling epaxially, the retaining ring is located between bearing housing body and the protective shroud, be equipped with the oil blanket between protective shroud and the retaining ring, the protective shroud has the annular groove who encircles the round pin axle setting, the oil blanket inlays to locate in the annular groove and supports with the retaining ring and lean on.

This cross axle sets up protective shroud and retaining ring between round pin axle and bearing housing, and protective shroud and retaining ring all adopt rigid material to make, and the oil blanket is installed in the annular groove of protective shroud, presss from both sides tight protection oil blanket through the protective shroud and retaining ring cooperation, makes oil blanket non-deformable to avoided appearing because of the condition that the oil blanket receives the exogenic action to take place to warp and lead to sealed effect to reduce, reached fine leak protection oil effect.

In the cross shaft, the outer side of the pin shaft is provided with a plurality of rolling needles, the rolling needles are arranged on the inner side of the bearing sleeve body, the retainer ring comprises a protective cover which is embedded into the bearing sleeve body and used for being abutted against the rolling needles and a pressing ring which is turned outwards and abutted against the end face of the bearing sleeve body, the other side of the pressing ring is abutted against the oil seal, and the retainer ring is integrally connected with the pressing ring.

In the above-mentioned cross, the protective shroud includes outer protective shroud, inner protective shroud and connects the backing ring of outer protective shroud and inner protective shroud, the inner protective shroud is located outer protective shroud inboard, outer protective shroud, inner protective shroud and backing ring surround and form above-mentioned annular groove, outer protective shroud, inner protective shroud and backing ring formula structure as an organic whole.

In the cross shaft, a connecting ring is fixedly arranged on one side, close to the fixed block, of the bearing sleeve body, the connecting ring and the bearing sleeve body are of an integrated structure, the outer diameter of the connecting ring is smaller than that of the bearing sleeve body, and the guard ring is sleeved on the connecting ring.

In the cross shaft, the retainer ring is provided with a through groove, and the pin shaft penetrates through the through groove.

In the cross shaft, one end of the fixed block, which is connected with the pin shaft, is provided with a propping surface arranged around the pin shaft, and the propping surface is propped against the retainer.

In the cross, the retainer ring and the retainer ring are made of rigid materials.

Compared with the prior art, the utility model discloses a have following advantage:

1. through set up the protective shroud on selling the axle, bearing housing body inboard sets up the retaining ring, and protective shroud and retaining ring are the rigid structure that iron material made, and the oil blanket sets up in the annular groove of protective shroud, presss from both sides tight protection oil blanket through the protective shroud and retaining ring cooperation, makes oil blanket non-deformable to avoided appearing because of the condition that the oil blanket receives the exogenic action to take place to warp and lead to sealed effect to reduce, reached fine leak protection oil effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1 according to the present invention.

Fig. 3 is a schematic view of the front view structure of the pin shaft of the present invention.

Fig. 4 is a front view structure diagram of the bearing housing body of the present invention.

Fig. 5 is a schematic view of the oil seal of the present invention.

Fig. 6 is a front view of the retainer according to the present invention.

Fig. 7 is a schematic front view of the retainer ring of the present invention.

Fig. 8 is a schematic view of the three-dimensional structure of the oil seal of the present invention.

The reference signs are: 1. a fixed block; 2. a pin shaft; 3. a bearing housing assembly; 4. a bearing housing body; 5. a retainer ring; 6. a retainer; 7. oil sealing; 8. rolling needles; 9. a connecting ring; 10. an outer retainer; 11. an inner retainer; 12. a stationary ring; 13. a protective cover; 14. pressing a ring; 15. a through groove.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in the attached drawings 1-8, the utility model provides a cross shaft, including fixed block 1, fixed block 1 all fixes round pin axle 2 all around, fixed block 1 and four round pin axles 2 are the integral type structure, the round pin axle 2 has cup jointed bearing housing subassembly 3, bearing housing subassembly 3 includes bearing housing body 4, retaining ring 5 and protective shroud 6, bearing housing body 4, retaining ring 5 and protective shroud 6 all cup joint on round pin axle 2, retaining ring 5 locates between bearing housing body 4 and protective shroud 6, be equipped with oil blanket 7 between protective shroud and the retaining ring, protective shroud 6 has the annular groove that sets up around round pin axle 2, oil blanket 7 inlays to be located in the annular groove and supports with retaining ring 5 and lean on;

the outer side of the pin shaft 2 is provided with a plurality of roller pins 8, the roller pins 8 are arranged on the inner side of the bearing sleeve body 4, the retainer ring 5 comprises a protective cover 13 which is embedded into the bearing sleeve body 4 and used for abutting against the roller pins 8 and a pressing ring 14 which is turned outwards and abuts against the end face of the bearing sleeve body 4, the other side of the pressing ring 14 abuts against the oil seal 7, and the retainer ring 5 and the pressing ring 14 are integrally connected;

the guard ring 6 comprises an outer guard ring 10, an inner guard ring 11 and a backing ring 12 for connecting the outer guard ring 10 and the inner guard ring 11, the inner guard ring 11 is arranged on the inner side of the outer guard ring 10, the inner guard ring 11 and the backing ring 12 surround to form the annular groove, and the outer guard ring 10, the inner guard ring 11 and the backing ring 12 are of an integrated structure;

a connecting ring 9 is fixedly arranged on one side, close to the fixed block 1, of the bearing sleeve body 4, the connecting ring 9 and the bearing sleeve body 4 are of an integrated structure, the outer diameter of the connecting ring 9 is smaller than that of the bearing sleeve body 4, and the guard ring 6 is sleeved on the connecting ring 9;

a through groove 15 is formed in the retainer ring 5, and the pin shaft 2 penetrates through the through groove 15;

one end of the fixed block 1, which is connected with the pin shaft 2, is provided with a propping surface arranged around the pin shaft 2, and the propping surface is propped against the guard ring 6;

the retainer ring 5 and the retainer ring 6 are made of rigid materials.

The implementation mode is specifically as follows: by arranging the pin shafts 2 respectively facing to four directions on the fixed block 1, the bearing sleeve bodies 4 are respectively sleeved on the four pin shafts 2, and a roller pin 8 is arranged between the bearing sleeve body 4 and the pin shaft 2, so that the bearing sleeve body 4 can rotate relative to the pin shaft 2, the protective ring 6 is arranged on the pin shaft 2, the retainer ring 5 is arranged on the inner side of the bearing sleeve body 4, the oil seal 7 is arranged in the annular groove of the retainer ring 6, the retainer ring 6 and the retainer ring 5 are both of rigid structures made of iron materials, the oil seal 7 is clamped and protected through the cooperation of the retainer ring 6 and the retainer ring 5, so that the oil seal 7 is not easy to deform, thereby avoiding the situation that the sealing effect is reduced because the oil seal 7 is deformed under the action of external force, achieving good oil leakage prevention effect, this embodiment has specifically solved the problem that exists among the prior art because of the oil blanket 7 receives the exogenic action to take place to warp and lead to the sealed effect to reduce and the oil leak.

The utility model discloses the theory of operation:

referring to the attached drawings 1-8 of the specification, the protective ring 6 is arranged on the pin shaft 2, the retainer ring 5 is arranged on the inner side of the bearing sleeve body 4, the oil seal 7 is arranged in an annular groove of the protective ring 6, the protective ring 6 and the retainer ring 5 are rigid structures made of iron materials, and the protective oil seal 7 is clamped and protected through the cooperation of the protective ring 6 and the retainer ring 5, so that the oil seal 7 is not easy to deform, the situation that the sealing effect is reduced due to the fact that the oil seal 7 deforms under the action of external force is avoided, and a good oil leakage prevention effect is.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims (7)

1. The utility model provides a cross, includes fixed block (1), fixed block (1) all is fixed all around and is equipped with round pin axle (2), fixed block (1) and four round pin axle (2) formula structures as an organic whole, the axle has cup jointed bearing housing subassembly (3), its characterized in that on round pin axle (2): bearing housing subassembly (3) are including bearing housing body (4), retaining ring (5) and protective shroud (6), bearing housing body (4), retaining ring (5) and protective shroud (6) all cup joint on round pin axle (2), retaining ring (5) are located between bearing housing body (4) and protective shroud (6), be equipped with oil blanket (7) between protective shroud (6) and retaining ring (5), protective shroud (6) have the annular groove who encircles round pin axle (2) and set up, oil blanket (7) inlay locate in the annular groove and support with retaining ring (5) and lean on.

2. The cross of claim 1, wherein: the bearing sleeve is characterized in that a plurality of rolling needles (8) are arranged on the outer side of the pin shaft (2), the rolling needles (8) are arranged on the inner side of the bearing sleeve body (4), the retainer ring (5) comprises a protective cover (13) which is embedded into the bearing sleeve body (4) and used for being abutted against the rolling needles (8) and a pressing ring (14) which is outwards turned and abutted against the end face of the bearing sleeve body (4), the other side of the pressing ring (14) is abutted against an oil seal (7), and the retainer ring (5) is integrally connected with the pressing ring (14).

3. The cross of claim 1, wherein: the protective ring (6) includes outer protective ring (10), interior protective ring (11) and connects backing ring (12) of outer protective ring (10) and interior protective ring (11), outer protective ring (10) inboard is located in interior protective ring (11), outer protective ring (10), interior protective ring (11) and backing ring (12) surround and form above-mentioned annular groove, outer protective ring (10), interior protective ring (11) and backing ring (12) formula structure as an organic whole.

4. The cross of claim 1, wherein: the bearing sleeve is characterized in that a connecting ring (9) is fixedly arranged on one side, close to the fixed block (1), of the bearing sleeve body (4), the connecting ring (9) and the bearing sleeve body (4) are of an integrated structure, the outer diameter of the connecting ring (9) is smaller than that of the bearing sleeve body (4), and the guard ring (6) is sleeved on the connecting ring (9).

5. The cross of claim 1, wherein: a through groove (15) is formed in the retainer ring (5), and the pin shaft (2) penetrates through the through groove (15).

6. The cross of claim 1, wherein: the one end that fixed block (1) and round pin axle (2) are connected has the face of supporting that sets up around round pin axle (2), support to support with protective shroud (6) and support and lean on.

7. The cross according to claim 1, characterized in that the retainer ring (5) and the retainer ring (6) are made of a rigid material.

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