CN217814612U

CN217814612U - Combined type double-ball-ring three-ball pin

Info

Publication number: CN217814612U
Application number: CN202220749766.XU
Authority: CN
Inventors: 陈严双
Original assignee: Taizhou Meilong Auto Parts Co ltd
Current assignee: Taizhou Meilong Auto Parts Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-11-15
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a combined type double ball ring tripod belongs to ball round pin universal joint technical field. The composite double-ball-ring three-ball pin comprises a three-pin frame, wherein three pin shafts are arranged on the outer peripheral side of the three-pin frame, a gasket, a roller pin, a check ring, a snap ring, an inner ball ring, a butt ring and an outer ball ring are sequentially arranged on each pin shaft along the direction from the position close to the three-pin frame to the position far away from the three-pin frame, an annular block is arranged on the outer peripheral side of the inner ball ring, the annular end face on one side of the butt ring is arranged in a semi-arc shape, the inner wall of the outer ball ring is arranged in a step shape, and the turning point of the inner wall of the step shape is also arranged in a semi-arc shape. The utility model discloses a three ball round pins have realized the multi-angle rotation of ball round pin through the setting of outer ball ring, have improved ball round pin practicality, through the setting of elasticity butt joint ring, have avoided outer ball ring to loosen from interior ball ring on the one hand, play buffering, shock attenuation effect between ball ring and outer ball ring including on the other hand, further guarantee the stability that interior ball ring deflected in outer ball ring.

Description

Combined type double-ball-ring three-ball pin

Technical Field

The utility model belongs to the technical field of the ball round pin universal joint, more specifically says, relates to a two ball ring tripod balls of combined type.

Background

The tripod universal joint consists of a tripod shell and a tripod assembly, wherein the tripod assembly is arranged in the tripod shell and limited by a tripod retainer ring, and is a key transmission part in a car transmission system. The existing tripod assembly realizes the rotation of a ball ring on a pin shaft by utilizing a roller pin on the pin shaft, but the ball ring can only circumferentially rotate relative to the center of the pin shaft and cannot deflect due to the limitation of the roller pin, so that the pivot angle of a tripod universal joint is smaller.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a two ball ring tripod of combined type, it can realize the multi-angle rotation of tripod to and rotate the stability of in-process.

The utility model discloses a two ball ring tripod of combined type, including the tripod, the periphery side of tripod is provided with three round pin axle, every sell epaxial edge and be close to the tripod is to keeping away from the direction of tripod is equipped with gasket, kingpin, retaining ring, snap ring, interior ball ring, butt ring and outer ball ring in proper order, the periphery side of interior ball ring is equipped with the annular piece, one side annular end face of butt ring sets up for the semi-arc, the inner wall of outer ball ring sets up for the echelonment, and the turning point department of echelonment inner wall also sets up for the semi-arc.

Preferably, the annular block is located at a center line of an outer circumferential side of the inner ball ring.

Preferably, the gasket, the roller pin and the retainer ring are sequentially sleeved on the pin shaft, a clamping groove is formed in the periphery of one end, away from the tripod, of the pin shaft, the clamping ring is detachably arranged in the clamping groove, the inner ball ring is sleeved on the roller pin, the outer ball ring is sleeved on the inner ball ring, and the abutting ring is detachably arranged between the inner ball ring and the outer ball ring.

Preferably, the radian of the semi-arc end surface of the abutting ring and the radian of the inflection point of the stepped inner wall of the outer spherical ring are equal to the radian of the annular block.

Preferably, the annular inner wall of the tripod is provided with at least two limiting strips along the height direction of the tripod, and the limiting strips are arranged at equal intervals along the circumferential direction of the tripod.

Preferably, the three pin shafts are arranged on the outer periphery of the tripod frame at equal intervals along the reverse direction of the circumference of the tripod frame.

Compared with the prior art, the utility model has the advantages of:

1. through the setting of outer ball ring for when interior ball ring round pin axle carries out circumferential direction relatively, still can take place deflection of certain angle around outer ball ring, realized the multi-angle of ball round pin and rotated, improved the practicality of ball round pin.

2. The arrangement of the butt joint ring between the outer ball ring and the inner ball ring ensures the stability of the inner ball ring when the inner ball ring deflects, avoids the outer ball ring from loosening from the inner ball ring, and the butt joint ring is made of rubber or silica gel materials, plays a role in buffering and damping between the inner ball ring and the outer ball ring, and further ensures the stability of the inner ball ring deflecting in the outer ball ring.

Drawings

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

fig. 2 is an exploded view of the overall structure of the present invention.

Fig. 3 is a right sectional view of the exploded view of fig. 2 according to the present invention.

Fig. 4 is a partially enlarged schematic view of a portion a in fig. 3 according to the present invention.

Fig. 5 is a partially enlarged schematic view of the point B in fig. 3 according to the present invention.

The reference numbers in the figures illustrate:

10. a three-pin frame; 11. a limiting strip; 12. a pin shaft; 13. a card slot; 14. a gasket; 15. rolling needles; 16. A retainer ring; 17. a snap ring; 18. an inner ball ring; 19. a ring block; 20. a butting ring; 21. an outer ball ring.

Detailed Description

The first embodiment is as follows: please refer to fig. 1-5, which illustrates a composite dual-ball-ring tripod including a tripod 10, at least two limiting strips 11 are disposed on an annular inner wall of the tripod 10, the limiting strips 11 are disposed along a height direction of the tripod 10, the limiting strips 11 are distributed along a circumferential direction of the tripod 10 at equal intervals, three pins 12 are disposed on an outer circumferential side of the tripod 10 at equal intervals along the circumferential direction of the tripod 10, and a gasket 14, a roller pin 15, a retainer ring 16, a snap ring 17, an inner ball ring 18, a butt ring 20 and an outer ball ring 21 are sequentially disposed on the pins 12 along a direction from the side close to the tripod 10 to the side far from the tripod 10.

In this embodiment, the gasket 14, the roller pin 15 and the retainer ring 16 are sequentially sleeved on the pin shaft 12, the inner ball ring 18 is sleeved on the ball 15, the outer ball ring 21 is sleeved on the inner ball ring 18, the abutting ring 20 is detachably arranged between the inner ball ring 18 and the outer ball ring 21, the clamping groove 13 is formed in the outer peripheral side of one end, away from the tripod 10, of the pin shaft 12, and the clamping ring 17 is clamped in the clamping groove 13;

furthermore, the annular end surface of one side of the abutting ring 20 is arranged in a semi-arc shape, the inner wall of the outer ball ring 21 is arranged in a step shape, and the inflection point of the step-shaped inner wall is also arranged in a semi-arc shape;

the outer periphery of the inner ball ring 18 is provided with an annular block 19 at the center line of the inner ball ring 18, wherein the radian of the annular block 19 is equal to the radian of the semi-arc end surface of the abutting ring 20 and the radian of the stepped inner wall of the outer ball ring 21 at the inflection point.

When the three-ball pin of the utility model is installed, the gasket 14, the roller pin 15 and the retainer ring 16 are sleeved on the pin shaft 12 in sequence, then the inner ball ring 18 is sleeved on the ball 15, the retainer ring 17 is clamped in the clamp groove 13, and the inner ball ring 18 on the ball 15 is limited;

after the inner ball ring 18 is installed, the abutting ring 20 is sleeved on the inner ball ring 18, the arc-shaped end face of the abutting ring 20 abuts against the arc-shaped block 19 on the outer peripheral side of the inner ball ring 18, then the outer ball ring 21 is sleeved on the inner ball ring 18, the abutting ring 20 is wrapped between the inner ball ring 18 and the outer ball ring 21, and the arc-shaped inflection point of the stepped inner wall of the outer ball ring 21 abuts against the arc-shaped block 19 on the outer peripheral side of the inner ball ring 18;

through the arrangement of the outer ball ring 21, the inner ball ring 18 can circumferentially rotate relative to the pin shaft 12 and can deflect around the outer ball ring 21 by a certain angle, so that the multi-angle rotation of the ball pin is realized, and the practicability of the ball pin is improved;

further arrangement of the abutting ring 20 between the outer ball ring 21 and the inner ball ring 18 ensures stability of the inner ball ring 18 when the outer ball ring 21 deflects, prevents the outer ball ring 21 from loosening from the inner ball ring 18, and the abutting ring 20 is made of rubber or silica gel material, so that buffering and shock absorption effects are achieved between the inner ball ring 18 and the outer ball ring 21, and stability of the inner ball ring 18 when the outer ball ring 21 deflects is further ensured.

It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

Claims

1. The utility model provides a combined type double ball ring tripod of three balls which characterized in that: the three-pin-type ball valve is characterized by comprising a tripod (10), wherein three pin shafts (12) are arranged on the outer peripheral side of the tripod (10), and a gasket (14), a roller pin (15), a check ring (16), a snap ring (17), an inner ball ring (18), a butt ring (20) and an outer ball ring (21) are sequentially arranged on each pin shaft (12) along the direction from the part close to the tripod (10) to the part far away from the tripod (10);

the outer periphery of the inner ball ring (18) is provided with an annular block (19), the annular end face on one side of the abutting ring (20) is arranged in a semi-arc shape, the inner wall of the outer ball ring (21) is arranged in a step shape, and the inflection point of the inner wall of the step shape is also arranged in a semi-arc shape.

2. The composite double-ball-ring three-ball pin according to claim 1, wherein: the annular block (19) is located at the center line of the outer periphery side of the inner ball ring (18).

3. The composite double-ball-ring three-ball pin according to claim 1, wherein: the gasket (14), the roller pin (15) and the retainer ring (16) are sequentially sleeved on the pin shaft (12), a clamping groove (13) is formed in the periphery of one end, far away from the three-pin frame (10), of the pin shaft (12), the clamping ring (17) is detachably arranged in the clamping groove (13), the inner ball ring (18) is sleeved on the roller pin (15), the outer ball ring (21) is sleeved on the inner ball ring (18), and the abutting ring (20) is detachably arranged between the inner ball ring (18) and the outer ball ring (21).

4. The composite double-ball-ring three-ball pin according to claim 1, wherein: the radian of the semi-arc end surface of the abutting ring (20) and the radian of the inflection point of the stepped inner wall of the outer spherical ring (21) are equal to the arc of the annular block (19).

5. The composite double-ball-ring three-ball pin according to claim 1, wherein: the annular inner wall of the tripod (10) is provided with at least two limiting strips (11) along the height direction of the tripod (10), and the limiting strips (11) are arranged at equal intervals along the circumferential direction of the tripod (10).

6. The composite double-ball-ring three-ball pin according to claim 1, wherein: the three pin shafts (12) are arranged on the outer periphery side of the tripod (10) at equal intervals along the reverse direction of the circumference of the tripod (10).