CN206309807U - A kind of internal spherical cage - Google Patents

Abstract

The utility model discloses a kind of internal spherical cage, including clutch can, inner race is provided with the clutch can, retainer is connected between the clutch can and inner race, some steel balls are installed with the retainer, there are some fin the clutch can outer surface along shell surface is axially arranged, and radiating groove is formed between abutting fins, and the depth of the radiating groove is gradually reduced to closing one end from clutch can open at one end and fin is obliquely installed to homonymy.The utility model will can be taken away to reach the purpose of quick heat radiating in the rapid heat conduction of heat of steel ball and clutch can inwall and the generation rolling friction generation of inner race outer wall to fin and by air whirl, the internal spherical cage compact conformation, will not take the excessive space of bottom of car simultaneously.

Description

A kind of internal spherical cage

Technical field

The utility model is related to vehicle key parts technical field, particularly a kind of internal spherical cage.

Background technology

It is constant velocity cardan joint that cage is also referred to as, and is the important component in car drivetrain system, and its effect is by engine Power is delivered to two front vehicle wheels from speed changer, drives car to run at high speed, and it is by input shaft and output shaft with the angle speed equal to 1 It is internal spherical cage and external ball cage, jackshaft and other parts composition to spend than the constant velocity cardan joint of transmission motion, and it is moved in transmission Synchronous change operating angle is gone back while with moment of torsion and flexible sliding is carried out, and function above is main by constant velocity cardan joint assembly Internal spherical cage and external ball cage realize, wherein internal spherical cage include clutch can, inner race, retainer and steel ball, steel ball can keep High speed rotation is carried out in frame, then steel ball occurs rolling friction with clutch can inwall and inner race outer wall respectively, in friction process Can cause to produce substantial amounts of heat between steel ball and clutch can inwall and and steel ball and inner race outer wall between, if heat cannot Dissipate the service life that can influence internal spherical cage in time.

Regarding to the issue above, notification number provides a solution for the Chinese patent of CN204921726U；

The program is specially a kind of automobile internal spherical cage, including internal spherical cage housing, cage assembly, steel ball, interior axis and condensation Device, the internal spherical cage housing is divided into inside and outside two-layer, and condensate liquid is housed between inside and outside two-layer, and the cage assembly is arranged on interior Cage housing internal layer, the interior axis is arranged on internal spherical cage housing centre position, and interior axis outer surface is provided with thermal insulation layer, the steel Ball surface is touched with the thermal insulation layer of interior axis, and the condensing unit is connected with internal spherical cage housing outer layer.

The automobile internal spherical cage absorbs when internal spherical cage works the amount of heat that produces and is guided by condensing unit, but should Condensing unit takes up room larger.

Utility model content

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of internal spherical cage, and the internal spherical cage has Preferable radiating effect, while compact conformation.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of internal spherical cage, including clutch can, are provided with inner race in the clutch can, connect between the clutch can and inner race Retainer is connected to, some steel balls are installed with the retainer, there is some dissipating the clutch can outer surface along shell surface is axially arranged Backing, forms radiating groove between abutting fins.

Using said structure, the design of fin increases the surface area of internal spherical cage outer surface, steel ball and clutch can inwall The rolling friction substantial amounts of heat of generation occurs with inner race outer wall can be transferred on fin, quickly be scattered and disappeared by fin, from And the quick purpose to internal spherical cage cooling is played, while structure is more compact.

The depth for being further arranged to the radiating groove is gradually reduced and is dissipated from clutch can open at one end to closing one end Backing is obliquely installed to homonymy.

Using said structure, internal spherical cage in use, when clutch can is rotated, also take offence body fin simultaneously by rotational band Flowing, air-swirl is formed in clutch can outer surface, is made to be delivered to the heat on fin and is guided by the way that vortex is quick, so as to reach To the quick purpose for guiding heat, the efficiency of internal spherical cage radiating is further improved.

Be further arranged to the clutch can outer surface and be provided with stiffening ring, stiffening ring through fin and with fin phase Even.

Using said structure, the setting of stiffening ring can strengthen the rigidity and stability of clutch can, while making fin and clock The connection of shape shell is even closer, clutch can is not easily occurred the situation of deformation in use.

It is further arranged to the clutch can open end edge and is provided with stop circle, stops that circle connects with fin.

Using said structure, further strengthen the stability that fin is connected with clutch can outside face, it is ensured that its radiating effect Really.

It is further arranged to length of the width for stopping circle more than the coupled section of fin.

Using said structure, stop that circle edge is reserved with the installation position that a circle can be easy to be connected with dust cover, conveniently exist The connection of dust cover and internal spherical cage in cage installation process.

It is further arranged to the clutch can inner surface and is provided with wearing layer.

Using said structure, the setting of wearing layer causes to be reduced when steel ball and clutch can inwall long-time rolling friction bell The abrasion of shell inner wall surface, so that clutch can inwall will not deform because of abrasion, it is ensured that the precision of steel ball operation and then guarantor Demonstrate,prove the normal operation of whole internal spherical cage.

In sum, the utility model has the advantages that：

1. there is stronger radiating effect, side inclines the setting of fin on internal spherical cage clutch can so that the internal spherical cage Air-swirl can be formed around fin when rotating, so that fast speed belt walks the heat on fin, therefore steel ball and clutch can Inwall and inner race outer wall occur the rolling friction substantial amounts of heat of generation can quickly be guided by fin, it is ensured that the temperature of internal spherical cage Degree will not be too high；

2. firmly, setting for stiffening ring causes the internal spherical cage with stronger to the internal spherical cage compact conformation to compact conformation simultaneously Rigidity and stability.

Brief description of the drawings

Fig. 1 is the structure chart of the present embodiment；

Fig. 2 is the structure chart of the present embodiment, basically illustrates fin, radiating groove and stiffening ring.

Reference：1. clutch can；2. inner race；3. retainer；4. steel ball；5. fin；6. radiate groove；7. strengthen Circle；8. circle is stopped.

Specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

A kind of internal spherical cage, as Figure 1-Figure 2：Clutch can 1 including steel and the power transmission shaft being connected with clutch can 1, clock The inner side of shape shell 1 is provided with one layer of boride based cemented carbide wearing layer, clutch can 1 and is provided with inner race 2, clutch can 1 and star Retainer 3 is connected between shape set 2, retainer 3 is provided with six steel balls 4 that can be rolled along the inwall of clutch can 1.

There are some fin 5 outer surface of clutch can 1 along shell surface is axially arranged, and fin 5 is inclined to homonymy, abutting fins Radiating groove 6 is formed between 5, the depth of the groove 6 that radiates is gradually reduced from the open at one end of clutch can 1 to closing one end.

The outer surface middle setting of clutch can 1 has stiffening ring 7 of the circle through fin 5, and the open end edge of clutch can 1 is set Have and stop circle 8, stop that circle 8 is connected with the end of fin 6 and stops that the width of circle 8 is more than the length in the coupled section of fin 6 Degree.

Operation principle：When automobile in motion, the clutch can 1 of internal spherical cage can be rotated, so that fin 5 can also occur Rotate so as to produce air whirl, steel ball 4 and the inwall of clutch can 1 and the outer wall of inner race 2 that rolling friction occurs around fin 5 The rapid heat conduction of heat of generation is taken away to reach the purpose of quick heat radiating on fin 5 and by air whirl, while this is interior Cage compact conformation, will not take the excessive space of bottom of car.

This specific embodiment is only that, to explanation of the present utility model, it is not to limitation of the present utility model, ability Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but As long as all being protected by Patent Law in right of the present utility model.

Claims (6)

1. a kind of internal spherical cage, including clutch can（1）, the clutch can（1）Inside it is provided with inner race（2）, the clutch can（1）And star Shape set（2）Between be connected with retainer（3）, the retainer（3）On be installed with some steel balls（4）, it is characterized in that：It is described bell Shell（1）There are some fin outer surface along shell surface is axially arranged（5）, abutting fins（5）Between formed radiating groove（6）.

2. a kind of internal spherical cage according to claim 1, it is characterized in that：The radiating groove（6）Depth by clutch can（1） Open at one end is gradually reduced and fin to closing one end（5）It is obliquely installed to homonymy.

3. a kind of internal spherical cage according to claim 2, it is characterized in that：The clutch can（1）Outer surface is provided with stiffening ring （7）, stiffening ring（7）Through fin（5）And and fin（5）It is connected.

4. a kind of internal spherical cage according to claim 3, it is characterized in that：The clutch can（1）Open end edge is provided with resistance Back-up ring（8）, stop circle（8）With fin（5）Connect.

5. a kind of internal spherical cage according to claim 4, it is characterized in that：It is described to stop circle（8）Width be more than fin（5） The length in coupled section.

6. a kind of internal spherical cage according to claim 1, it is characterized in that：The clutch can（1）Inner surface is provided with wearing layer.