CN211901352U

CN211901352U - Internal star wheel with unilateral barb stirs silk face

Info

Publication number: CN211901352U
Application number: CN202020412010.7U
Authority: CN
Inventors: 王耀
Original assignee: SHANGHAI HUAYONG PRECISION MACHINERY CO Ltd
Current assignee: SHANGHAI HUAYONG PRECISION MACHINERY CO Ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-11-10
Anticipated expiration: 2030-03-27

Abstract

The utility model relates to an interior star gear technical field especially relates to an interior star gear with unilateral barb stirs silk face, and the driving shaft that exists among the solution prior art rotates and produces the vibration wave and cause the ripple cover to drop, need frequent use stop to carry out the shortcoming that oiling, lubrication effect are poor, including spherical shell, the ring channel has been seted up in the outside of spherical shell, contact connection has the steel ball in the spherical shell, the outside contact connection of steel ball has the ball cage, the star cover has been cup jointed to the ball cage internal fixation, through tooth fixedly connected with driving shaft in the star cover. This scheme passes through the driving shaft and removes the drive ripple cover and removes, and ripple cover removes and drives the go-between and remove, and the go-between removes and drives the slider and slide in the spout to play absorbing effect to the ripple cover, when having avoided the device to use for a long time, the ripple cover junction is ageing, and the instantaneous impulse that the driving shaft motion caused the ripple cover is too big to cause the ripple cover to drop, causes and gets into the dust in the spherical shell, influences the device operation.

Description

Internal star wheel with unilateral barb stirs silk face

Technical Field

The utility model relates to an interior star gear technical field especially relates to an interior star gear with unilateral barb stirs silk face.

Background

The internal star wheel is also called constant velocity universal joint, is an important part in a car transmission system, and has the function of transmitting the power of an engine from a transmission to a driving wheel to drive a car to run at 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. The constant velocity universal joint for car production and car maintenance in China originally mainly depends on import, and a large amount of foreign exchange is needed each year. In order to develop the automobile industry in China, the precision forging technology and the production technology of the main part blank of the constant velocity universal joint of the automobile are researched and developed for more than ten years.

Among the prior art, the ripple cover on the interior star gear is all the snap-on the casing of interior star gear, because produce the vibration wave when the driving shaft rotates like this, can cause the ripple cover to drop to in causing impurity such as dust to enter into interior star gear, influence the normal use of drive shaft, simultaneously, interior star gear is in the course of the work, need use lubricating oil, needs the regularity to stop using to carry out the oiling, and lubricated effect is poor, influences device work efficiency. Accordingly, there is a need for improvements in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the driving shaft and rotating to produce the vibration wave and cause the ripple cover to drop, need frequent the nonuse carry out the shortcoming that oiling, lubricated effect are poor, and the interior star gear with unilateral barb stirs the silk face that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an internal star wheel with a unilateral barb silk stirring surface comprises a spherical shell, wherein an annular groove is formed in the outer side of the spherical shell, a steel ball is in contact connection with the inner side of the spherical shell, a ball cage is in contact connection with the outer side of the steel ball, a star-shaped sleeve is fixedly sleeved in the ball cage, a driving shaft is fixedly connected in the star-shaped sleeve through teeth, a unilateral barb stirring bar is fixedly connected at the lower end of the driving shaft, an end cover is fixedly connected to the outer side of the spherical shell, a hoop is fixedly sleeved on the outer side of the end cover, a corrugated sleeve is fixedly sleeved on the outer side of the driving shaft, a connecting ring is slidably sleeved on the outer side of the end cover, a corrugated sleeve is fixedly connected in the connecting ring, a sliding block is arranged on the inner side of the connecting ring, a sliding groove is formed in the outer side of the end cover, a, an oil outlet is formed in the lower end of the oil storage tank.

Preferably, a ball way is formed in the outer side of the ball cage, and steel balls are clamped in the ball way.

Preferably, the number of the ball tracks is six, the six ball tracks are distributed on the outer side of the ball cage in an annular array mode, and steel balls are clamped in the six ball tracks.

Preferably, the right end of the end cover is provided with an opening, and a driving shaft is sleeved in the opening.

Preferably, the upper end of oil storage tank is provided with into oil pipe, the rubber buffer has been cup jointed to the upper end of advancing oil pipe.

Preferably, the lateral wall that advances oil pipe is provided with the connecting band, the upper end fixedly connected with rubber buffer of connecting band.

The utility model has the advantages that: this interior star gear with unilateral barb stirs silk face is through the outside fixed connection end cover at spherical shell, the go-between is cup jointed in the outside slip of end cover, the interior fixed connection ripple cover of go-between, the inboard of go-between sets up the slider, the spout is seted up in the outside of end cover, sliding connection slider in the spout, when the device carries out the during operation, the driving shaft removes and drives the ripple cover and remove, the ripple cover removes and drives the go-between and remove, the go-between removes and drives the slider and slide in the spout, thereby play absorbing effect to the ripple cover, when having avoided the device to use for a long time, ripple cover junction is ageing, the instantaneous impulse that the driving shaft motion caused the ripple cover drops to the cover is too big, get into the dust in causing spherical.

Through the outside fixed connection end cover at spherical shell, the oil storage tank is seted up to the lateral wall of end cover, the lower extreme bonding foam-rubber cushion of oil storage tank, the oil outlet is seted up to the lower extreme of oil storage tank, during the operative installations, oiling in the oil storage tank, oil in the oil storage tank passes through in the oil outlet lasts the entering spherical shell, the foam-rubber cushion slows down the speed that oil in the oil storage tank got into spherical shell, make the device when using, slowly get into lubricating oil in the spherical shell, get the oiling number of times when having reduced the device and using, and keep the even inflow of lubricating oil in the spherical shell, stir strand silk through design unilateral barb, can stir lubricating oil, lubrication effect is better.

Drawings

Fig. 1 is a schematic structural view of an inner star wheel with a single-side barb silk stirring surface provided by the utility model;

fig. 2 is a perspective view of the spherical shell in fig. 1 of the inner star wheel with the single-side barb silk stirring surface provided by the utility model;

FIG. 3 is a front view of the spherical shell of FIG. 1 showing an inner star wheel with a single-sided barbed wire mixing surface in accordance with the present invention;

fig. 4 is an enlarged view of a point a in fig. 1 of the inner star wheel with the single-side barb silk stirring surface provided by the utility model;

fig. 5 is an enlarged view of B in fig. 1 of an internal star wheel with a single-side barb silk stirring surface provided by the present invention.

In the figure: 1 spherical shell, 101 annular grooves, 2 steel balls, 3 ball cages, 31 lane, 4 star sleeves, 5 driving shafts, 51 single-side barb stirring strips, 6 end covers, 7 hoops, 8 openings, 9 corrugated sleeves, 10 connecting rings, 11 sliding grooves, 12 sliding blocks, 13 oil storage tanks, 14 oil inlet pipes, 15 connecting belts, 16 rubber plugs, 17 sponge cushions and 18 oil outlet holes.

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.

Referring to fig. 1-5, an internal star wheel with a unilateral barb thread stirring surface comprises a spherical shell 1, an annular groove 101 is arranged on the outer side of the spherical shell 1, a steel ball 2 is in contact connection in the spherical shell 1, a ball cage 3 is in contact connection with the outer side of the steel ball 2, a star-shaped sleeve 4 is fixedly sleeved in the ball cage 3, a driving shaft 5 is fixedly connected in the star-shaped sleeve 4 through teeth, a unilateral barb stirring strip 51 is fixedly connected to the lower end of the driving shaft 5, the stirring surface is provided, lubricating oil can be stirred, an end cover 6 is fixedly connected to the outer side of the spherical shell 1, a hoop 7 is fixedly sleeved on the outer side of the end cover 6, a corrugated sleeve 9 is fixedly sleeved on the outer side of the driving shaft 5, a connecting ring 10 is slidably sleeved on the outer side of the end cover 6, a corrugated sleeve 9 is fixedly connected in the connecting ring 10, a sliding block 12 is, an oil storage tank 13 is formed in the side wall of the end cover 6, a spongy cushion 17 is bonded to the lower end of the oil storage tank 13, and an oil outlet 18 is formed in the lower end of the oil storage tank 13.

This scheme is through the outside fixed connection end cover 6 at spherical shell 1, the outside slip of end cover 6 cup joints go-between 10, fixed connection ripple cover 9 in the go-between 10, the inboard of go-between 10 sets up slider 12, spout 11 is seted up in the outside of end cover 6, sliding connection slider 12 in the spout 11, when the device carries out the during operation, driving shaft 5 removes and drives ripple cover 9 and remove, ripple cover 9 removes and drives go-between 10 and remove, go-between 10 removes and drives slider 12 and slide in spout 11, thereby play absorbing effect to ripple cover 9, when having avoided the device to use for a long time, ripple cover 9 junction is ageing, the instantaneous impulse that driving shaft 5 motion caused ripple cover 9 is too big leads to the fact ripple cover 9 to drop, cause and get into the dust in the spherical shell 1, influence the device operation.

Through outside fixed connection end cover 6 at spherical shell 1, oil storage tank 13 is seted up to end cover 6's lateral wall, sponge pad 17 bonds to the lower extreme of oil storage tank 13, oil outlet 18 has been seted up to the lower extreme of oil storage tank 13, oiling in oil storage tank 13, oil in the oil storage tank 13 passes through in oil outlet 18 lasts gets into spherical shell 1, sponge pad 17 slows down the speed that oil in the oil storage tank 13 got into spherical shell 1, make the device when using, slowly get into lubricating oil in spherical shell 1, the oiling number of times when having reduced the device and using, and keep the even inflow of lubricating oil in spherical shell 1, stir strand silk 51 through design unilateral barb, can stir lubricating oil, lubrication effect is better.

In this embodiment, a raceway 31 is formed on the outer side of the cage 3, and a steel ball 2 is clamped in the raceway 31. The ball way 31 is used for limiting the steel ball 2, and ensures that the ball cage 3 moves to drive the steel ball 2 to roll in the spherical shell 1.

In this embodiment, there are six ball tracks 31, the six ball tracks 31 are distributed on the outer side of the ball cage 3 in an annular array, and the six ball tracks 31 are all clamped with steel balls 2. Through setting up a plurality of ball tracks 31 and the cooperation of steel ball 2 for the operation of ball cage 3 in spherical shell 1 is stable, and difficult production card is dun.

In this embodiment, the right end of the end cover 6 is provided with an opening 8, and a driving shaft 5 is sleeved in the opening 8. The opening 8 is used for passing through the driving shaft 5, and the driving shaft 5 is not influenced by the end cover 6 when in work.

In this embodiment, the upper end of oil storage tank 13 is provided with into oil pipe 14, and the rubber buffer 16 has been cup jointed to the upper end of advancing oil pipe 14. The oil inlet pipe 14 is used for feeding oil into the oil storage tank 13, and the rubber plug 16 is used for blocking the oil inlet pipe 14, so that oil leakage of the oil inlet pipe 14 during operation of the device is avoided.

In this embodiment, a connecting band 15 is disposed on a side wall of the oil inlet pipe 14, and a rubber stopper 16 is fixedly connected to an upper end of the connecting band 15. The connecting belt 15 is used for connecting the rubber plug 16 and the oil inlet pipe 14, and limiting the positions of the rubber plug 16 and the oil inlet pipe 14 to prevent the rubber plug 16 from falling off.

Before the device is used, oil is injected into the oil storage tank 13 through the oil inlet pipe 14, the oil inlet pipe 14 is blocked through the rubber plug 16 after the oil is injected, the oil in the oil storage tank 13 continuously enters the spherical shell 1 through the oil outlet 18 after passing through the sponge cushion 17, the sponge cushion 17 slows down the speed of the oil in the oil storage tank 13 entering the spherical shell 1, so that the lubricating oil slowly enters the spherical shell 1 when the device is used, the number of times of oil injection when the device is used is reduced, and the lubricating oil in the spherical shell 1 is kept to uniformly flow in, when the device is used, the driving shaft 5 moves to drive the corrugated sleeve 9 to move, the corrugated sleeve 9 moves to drive the connecting ring 10 to move, the connecting ring 10 moves to drive the sliding block 12 to slide in the sliding groove 11, the effect of shock absorption on the corrugated sleeve 9 is achieved when the device is used for a long time, the joint of the corrugated sleeve 9 is prevented from aging, the instantaneous impact caused by the movement of the driving shaft, causing dust to enter the spherical shell 1 and affecting the operation of the device.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The internal star wheel with the unilateral barb silk stirring surface comprises a spherical shell (1) and is characterized in that an annular groove (101) is formed in the outer side of the spherical shell (1), a steel ball (2) is connected in the spherical shell (1) in a contact manner, a ball cage (3) is connected in the outer side of the steel ball (2) in a contact manner, a star sleeve (4) is fixedly sleeved in the ball cage (3), a driving shaft (5) is fixedly connected in the star sleeve (4) through teeth, a unilateral barb stirring bar (51) is fixedly connected at the lower end of the driving shaft (5), an end cover (6) is fixedly connected at the outer side of the spherical shell (1), a hoop (7) is fixedly sleeved at the outer side of the end cover (6), a corrugated sleeve (9) is fixedly sleeved at the outer side of the driving shaft (5), a connecting ring (10) is slidably sleeved at the outer side of the end cover (6), and a corrugated sleeve (9) is fixedly connected in the, the inboard of go-between (10) is provided with slider (12), spout (11) have been seted up in the outside of end cover (6), sliding connection has slider (12) in spout (11), oil storage tank (13) have been seted up to the lateral wall of end cover (6), the lower extreme bonding of oil storage tank (13) has foam-rubber cushion (17), oil outlet (18) have been seted up to the lower extreme of oil storage tank (13).

2. The internal star wheel with the single-side barb silk stirring surface as claimed in claim 1, wherein a ball channel (31) is formed on the outer side of the ball cage (3), and steel balls (2) are clamped in the ball channel (31).

3. The internal star wheel with the single-side barb silk stirring surface as claimed in claim 2, wherein the number of the ball paths (31) is six, the six ball paths (31) are distributed on the outer side of the ball cage (3) in an annular array, and the six ball paths (31) are all clamped with steel balls (2).

4. The internal star wheel with the single-side barb silk stirring surface as claimed in claim 1, wherein the right end of the end cover (6) is provided with an opening (8), and a driving shaft (5) is sleeved in the opening (8).

5. The internal star wheel with the single-side barb silk stirring surface as claimed in claim 1, wherein the upper end of the oil storage tank (13) is provided with an oil inlet pipe (14), and the upper end of the oil inlet pipe (14) is sleeved with a rubber plug (16).

6. The internal star wheel with the single-side barb silk stirring surface as claimed in claim 5, wherein the side wall of the oil inlet pipe (14) is provided with a connecting belt (15), and the upper end of the connecting belt (15) is fixedly connected with a rubber plug (16).