CN214578425U

CN214578425U - Inner ball cage with shockproof mechanism

Info

Publication number: CN214578425U
Application number: CN202120251800.6U
Authority: CN
Inventors: 刘晔; 严伟; 顾权; 赵毅红
Original assignee: Xinghua Wanjia Machinery Co ltd
Current assignee: Xinghua Wanjia Machinery Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-11-02
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses an inner ball cage with a shockproof mechanism, which comprises a bell-shaped shell, a transmission shaft and a dustproof cover, wherein the right end of the transmission shaft is sleeved with the inner ball cage through a connecting head, the outer surface of the inner ball cage is movably provided with a steel ball, the right side wall of the bell-shaped shell is fixedly connected with a plurality of telescopic rods, the outer surface of the bell-shaped shell and the outer surface of the transmission shaft are both fixedly connected with a mounting seat, the outer surface of the mounting seat is penetrated and arranged with a lifting rod, the lifting rod and the dustproof cover are fixedly connected, the two side walls of the mounting seat are both provided with chutes, a sliding plate is slidably connected between the two chutes, the inner wall of the mounting seat is fixedly connected with a buffer seat, the inner wall of the buffer seat is fixedly connected with a fixed block, the device has good shockproof effect through the arrangement of a series of structures, and the service life of the dustproof cover can be greatly prolonged through the arrangement of the mounting seat, the pull force brought to the dust cover when the inner ball cage turns can be reduced.

Description

Inner ball cage with shockproof mechanism

Technical Field

The utility model relates to the technical field of auto-parts, specifically be an interior ball cage with shockproof mechanism.

Background

A ball cage (cage) also called as a constant velocity universal joint is an important part in a car transmission system, and the ball cage (cage) is used for transmitting the power of an engine from a transmission to a driving wheel to drive a car to run at a high speed. Constant velocity joints for cars are of many types, and among the most used are the rzeppa type and the tripod type, which mainly consist of main parts of a sliding sleeve, a three-way shaft, a transmission shaft, an inner race, a cage and an outer race. Because the constant velocity universal joint transmits heavy driving torque, is subjected to heavy load, has high transmission precision and large demand, and is a safety part, the main parts of the constant velocity universal joint are machined by precision forging parts.

Among the prior art, ball cage is when using in the six pearl formulas, because inside lacks buffer gear, lead to the steel ball to take place the striking with the bell shell easily, thereby ball cage's life in the influence, and can only utilize the looseness of dust cover self to reduce the influence to the rotation process when interior ball cage rotates, but when ball cage rotates by a wide margin in the universal joint, still can produce the pulling force to the dust cover, cause the damage of dust cover easily, make the inside of dust entering interior ball cage, ball cage pivoted stability in the influence universal joint, for this reason we provide one kind have shockproof mechanism's interior ball cage.

Disclosure of Invention

An object of the utility model is to provide an interior ball cage with shockproof mechanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an interior ball cage with shockproof mechanism, includes bell shell, transmission shaft and dust cover, the right-hand member fixedly connected with connector of transmission shaft, the surface cover of connector is equipped with interior ball cage, the surface movable mounting of interior ball cage has the steel ball, a plurality of telescopic links of right side wall fixedly connected with of bell shell, the surface of bell shell with the equal fixedly connected with mount pad of surface of transmission shaft, the surface interlude of mount pad is provided with the lifter, the lifter with dust cover fixed connection, the spout has all been seted up to the both sides wall of mount pad, two sliding connection has the slide between the spout, the inner wall fixedly connected with cushion socket of mount pad, the inner wall fixedly connected with fixed block of cushion socket.

Preferably, it is a plurality of the left end fixedly connected with arc cover of telescopic link, just the surface cover of telescopic link is equipped with first spring, just six groups are no less than to the quantity of telescopic link.

Preferably, a plurality of second springs are fixedly connected between the sliding plate and the mounting seat, the second springs are symmetrically arranged on two side faces of the lifting rod, and the sliding plate is fixedly connected with the lifting rod.

Preferably, the inner wall of the buffer seat is provided with a buffer slot, one side of the slide plate, which is far away from the lifting rod, is fixedly connected with a buffer block, and the buffer block is matched with the buffer slot.

Preferably, the equal fixedly connected with third spring of both sides face of fixed block, the third spring is kept away from the one end of fixed block is connected with the clutch blocks, just the clutch blocks with the buffer block phase-match.

Preferably, the mounting seat is fixedly connected with the corresponding bell-shaped shell and the transmission shaft through a hoop, and an adjusting screw is arranged on the outer surface of the hoop.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through setting up the telescopic link at bell shell inner wall, be provided with first spring at the surface of telescopic link, and telescopic link and first spring are the multiunit, can including the ball cage turn to the time and collide with the arc cover, and then can play and reduce the interior ball cage and turn to the impact that brings, play fine antidetonation effect.

2. Through being provided with the mount pad, it is provided with the slide to slide in the inside of mount pad, be in tensile state when the dust cover turns to, it reciprocates to have driven the lifter, and then it reciprocates to have driven the slide, effect through the second spring, push the slide and reset, make the slide be in the inside centering state of mount pad after tensile, simultaneously when slide reverse motion, cooperate through dashpot and buffer block, can weaken the pressure that the dust cover brought, thereby play shock-resistant effect, can prevent that the dust cover from because the too big damage that leads to the dust cover of pulling force when tensile, can also play certain stretch-proofing effect to the dust cover simultaneously, excellent in use effect.

Drawings

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

FIG. 2 is an enlarged view of the structure A in FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure B in FIG. 1 according to the present invention;

in the figure: 1. a bell housing; 2. a drive shaft; 3. a connector; 4. an inner ball cage; 5. a steel ball; 6. a telescopic rod; 7. a first spring; 8. an arc-shaped cover; 9. a mounting seat; 10. a lifting rod; 11. a dust cover; 12. a chute; 13. a slide plate; 14. a second spring; 15. a buffer seat; 16. a buffer tank; 17. a fixed block; 18. a third spring; 19. a friction block; 20. and a buffer block.

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 technical scheme in the utility model, all other embodiments that ordinary skilled person in the art obtained under the prerequisite of not making the creative work all belong to the scope of the utility model protection.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides an interior ball cage with shockproof mechanism, including bell shell 1, transmission shaft 2 and dust cover 11, the right-hand member fixedly connected with connector 3 of transmission shaft 2, the surface cover of connector 3 is equipped with interior ball cage 4, the surface movable mounting of interior ball cage 4 has steel ball 5, a plurality of telescopic links 6 of right side wall fixedly connected with of bell shell 1, the surface of bell shell 1 and the equal fixedly connected with mount pad 9 of surface of transmission shaft 2, the surface interlude of mount pad 9 is provided with lifter 10, lifter 10 and dust cover 11 fixed connection, spout 12 has all been seted up to the both sides wall of mount pad 9, sliding connection has slide 13 between two spout 12, the inner wall fixedly connected with cushion socket 15 of mount pad 9, the inner wall fixedly connected with fixed block 17 of cushion socket 15.

Further, the left end fixedly connected with arc cover 8 of a plurality of telescopic links 6, and the surface cover of telescopic link 6 is equipped with first spring 7, and six groups are no less than to the quantity of telescopic link 6, through the setting of first spring 7 and telescopic link 6, can play the effect of buffering when turning to inner ball cage 4, has increased shock-resistant effect.

Furthermore, a plurality of second springs 14 are fixedly connected between the sliding plate 13 and the mounting seat 9, the plurality of second springs 14 are symmetrically arranged on two side surfaces of the lifting rod 10, the sliding plate 13 is fixedly connected with the lifting rod 10, the sliding plate 13 can be extruded and reset through the second springs 14, and the sliding plate 13 is in a centering state inside the mounting seat 9 after being stretched.

Further, buffer slot 16 has been seted up to the inner wall of buffer seat 15, and one side fixedly connected with buffer block 20 of lifter 10 is kept away from to slide 13, and buffer block 20 and buffer slot 16 phase-match cooperate through buffer slot 16 and buffer block 20, can weaken the pressure that dust cover 11 brought to play shock-resistant effect.

Further, the both sides face of fixed block 17 all fixedly connected with third spring 18, the one end that the fixed block 17 was kept away from to third spring 18 is connected with clutch blocks 19, and clutch blocks 19 and buffer blocks 20 phase-match, through the effect of third spring 18, can further weaken the pressure that the dust cover brought when removing.

Further, the mounting base 9 is fixedly connected with the corresponding bell-shaped shell 1 and the corresponding transmission shaft 2 through a hoop, and an adjusting screw is arranged on the outer surface of the hoop, so that the mounting base 9 is convenient to fix.

The working principle is as follows: before the device is used, the safety of the device is checked firstly, the outer surface of the telescopic rod 6 is provided with the first spring 7 through the telescopic rod 6 arranged on the inner wall of the bell-shaped shell 1, the telescopic rod 6 and the first spring 7 are multiple groups, the telescopic rod 6 and the first spring 7 can collide with the arc-shaped cover 8 when the inner ball cage 4 turns, so that the impact force caused by the turning of the inner ball cage 4 can be reduced, a good anti-shock effect is achieved, the mounting seat 9 is arranged, the sliding plate 13 is arranged in the mounting seat 9 in a sliding manner, when the dust cover 11 is in a stretching state when turning, the lifting rod 10 is driven to move up and down, the sliding plate 13 is extruded and reset through the action of the second spring 14, the sliding plate 13 is in a centering state in the mounting seat 9 after stretching, and meanwhile, when the sliding plate 13 moves reversely, the buffer groove 16 is matched with the buffer block 20, can weaken the pressure that dust cover 11 brought to play shock-resistant effect, can prevent that dust cover 11 from because the too big damage that leads to the dust cover of pulling force when tensile, can also play certain stretch-proofing effect to dust cover 11 simultaneously, excellent in use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an interior ball cage with shockproof mechanism, includes bell housing (1), transmission shaft (2) and dust cover (11), its characterized in that: the right end of the transmission shaft (2) is fixedly connected with a connector (3), the outer surface of the connector (3) is sleeved with an inner ball cage (4), the outer surface of the inner ball cage (4) is movably provided with a steel ball (5), the right side wall of the bell-shaped shell (1) is fixedly connected with a plurality of telescopic rods (6), the outer surface of the bell-shaped shell (1) and the outer surface of the transmission shaft (2) are both fixedly connected with a mounting seat (9), the outer surface of the mounting seat (9) is inserted with a lifting rod (10), the lifting rod (10) is fixedly connected with the dust cover (11), two side walls of the mounting seat (9) are both provided with sliding grooves (12), a sliding plate (13) is connected between the two sliding grooves (12) in a sliding way, the inner wall fixedly connected with buffer seat (15) of mount pad (9), the inner wall fixedly connected with fixed block (17) of buffer seat (15).

2. The inner cage with anti-vibration mechanism of claim 1, wherein: a plurality of the left end fixedly connected with arc cover (8) of telescopic link (6), just the surface cover of telescopic link (6) is equipped with first spring (7), just six groups are no less than to the quantity of telescopic link (6).

3. The inner cage with anti-vibration mechanism of claim 1, wherein: the sliding plate (13) and a plurality of second springs (14) are fixedly connected between the mounting seats (9), the second springs (14) are symmetrically arranged on two side faces of the lifting rod (10), and the sliding plate (13) is fixedly connected with the lifting rod (10).

4. The inner cage with anti-vibration mechanism of claim 1, wherein: buffer slot (16) have been seted up to the inner wall of buffer seat (15), slide (13) are kept away from one side fixedly connected with buffer block (20) of lifter (10), buffer block (20) with buffer slot (16) phase-match.

5. The inner cage with anti-vibration mechanism of claim 4, wherein: the equal fixedly connected with third spring (18) of both sides face of fixed block (17), third spring (18) are kept away from the one end of fixed block (17) is connected with clutch blocks (19), just clutch blocks (19) with buffer block (20) phase-match.

6. The inner cage with anti-vibration mechanism of claim 1, wherein: the mounting base (9) is fixedly connected with the corresponding bell-shaped shell (1) and the transmission shaft (2) through the hoops respectively, and the outer surfaces of the hoops are provided with adjusting screws.