CN214578413U

CN214578413U - Anti-drop's interior ball cage

Info

Publication number: CN214578413U
Application number: CN202120241738.2U
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 anti-drop's interior ball cage, including interior ball cage assembly, its both ends are installed input shaft and output shaft respectively, the one end movable mounting in interior ball cage assembly has the tripod, and its inside activity interlude has the output shaft, the one end fixed mounting of output shaft has the plug, and its one end passes the tripod, the inside shrink groove that has seted up of plug, the intermediate position department fixed mounting in the shrink groove inside has the card spring of fixing, the both ends fixed mounting of the card spring has movable fixture block, the one end activity interlude of movable fixture block is in the outside of plug, and when the plug passes the tripod, the one end of plug is laminated with the one end of installation cover, and along with the insertion of plug, the installation cover moves along with the surface of installation piece, compresses the supporting spring, and the installation cover extrudes the plug under the supporting spring reaction, thereby strengthening the clamping and fixing of the movable clamping block and the three-ball pin and strengthening the connecting effect.

Description

Anti-drop's interior ball cage

Technical Field

The utility model relates to an interior ball cage technical field specifically is an anti-drop's interior ball cage.

Background

Constant velocity joints are commonly referred to as ball cages, which include an inner ball cage and an outer ball cage. The middle of the inner ball cage and the outer ball cage is connected with a steel shaft which is generally called a transmission shaft, as the name suggests, the transmission shaft is a rotating shaft for transmitting power, and the power can also be transmitted at a constant speed when steering, the inner ball cage is an important part in an automobile transmission system, a three-ball pin assembly is arranged in an inner ball cage shell of the three-fork type inner ball cage used in the current market, and 3 tracks in the inner ball cage shell can slide inwards and outwards, so that the length change of a driving shaft generated when a vehicle moves is adapted. The three-fork type inner ball cage is simple in structure, small in abrasion, capable of axially stretching and widely applied to automobiles.

However, the shock resistance of the automobile transmission shaft is poor, when an automobile runs on a bumpy road section or violently shakes, the three-ball pin slides inwards and outwards in the inner ball cage shell to rotate at a large deflection angle, the output shaft is easily drawn out from the inside of the three-ball pin, and the using effect is affected, so that the anti-falling inner ball cage is provided.

Disclosure of Invention

An object of the utility model is to provide an anti-drop's interior ball cage to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an anti-falling inner ball cage comprises an inner ball cage assembly, wherein an input shaft and an output shaft are respectively installed at two ends of the inner ball cage assembly, a three-ball pin is movably installed at one end inside the inner ball cage assembly, the output shaft is movably inserted in the inner ball cage assembly, a plug is fixedly installed at one end of the output shaft, one end of the output shaft penetrates through the three-ball pin, a contraction groove is formed in the plug, a clamping and fixing spring is fixedly installed at the middle position inside the contraction groove, movable clamping blocks are fixedly installed at two ends of the clamping and fixing spring, one end of each movable clamping block is movably inserted outside the plug, one side of the end of each movable clamping block is attached to one side of the three-ball pin, an installation groove is formed in one end inside the output shaft, a double-thread screw rod is movably installed in the output shaft, a movable threaded sleeve is movably sleeved at two ends of the double-thread screw rod, a connecting rod is movably sleeved at two ends of the double-thread screw rod, one end of the connecting rod is movably inserted in the contraction groove, and this end and one side fixed connection of activity fixture block, the inside movable mounting of output shaft has the transmission shaft, and it is connected with the transmission of double thread screw rod through drive sprocket and drive chain, the inside one end fixed mounting of interior ball cage assembly has the installation piece, and its pot head is equipped with the installation cover, one side of installation cover is laminated with the one end of plug mutually, the one end fixed mounting of installation cover inner wall has supporting spring, its one end with the one end fixed connection of installation piece.

Preferably, one end of the movable clamping block is in an inclined arc shape, and one end of the movable clamping block and the surface of the plug are located on the same horizontal line.

Preferably, the connecting grooves are formed in two sides of the surface of the mounting block and are symmetrically distributed on two sides of the mounting block.

Preferably, the both sides of the inside one end of installation cover all fixed mounting have the slider, slider and spread groove swing joint, the length of spread groove is less than the length of installation piece.

Preferably, one side of the surface of the output shaft is provided with a groove, one end of the transmission shaft is movably inserted in the groove, and the rotating handle is fixedly installed at the end.

Preferably, a slide rail is fixedly installed on one side inside the installation groove, a limiting block is fixedly installed on one side of the movable screw sleeve, and one end of the limiting block is movably connected with the slide rail.

Preferably, the two sides of one end of the tripod are provided with clamping grooves, and the clamping grooves are clamped with one end of the movable clamping block.

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

1. the plug is arranged, so that the integral device has a good anti-falling effect, when a user installs the output shaft, the plug at one end of the output shaft is inserted into the interior of the tripod, one end of the movable clamping block is inclined, one end of the movable clamping block and the surface of the plug are positioned on the same horizontal line, when the movable clamping block is attached to the tripod, the movable clamping block is contracted into the interior of the contraction groove to compress the clamping spring, when the output shaft is inserted to the maximum position, and the movable clamping block is separated from the tripod, the movable clamping block is popped out under the action of the clamping spring, so that one end of the movable clamping block is clamped with the surface clamping groove of the tripod, the connection of the tripod and the output end is strengthened, the tripod is prevented from falling in the using process, and the using effect is influenced;

2. the supporting sleeve is arranged, so that the whole device has a good clamping effect, when a plug passes through the three-ball pin, one end of the plug is attached to one end of the mounting sleeve, the mounting sleeve moves along the surface of the mounting block along with the insertion of the plug to compress the supporting spring, and the mounting sleeve extrudes the plug under the reaction of the supporting spring, so that the clamping effect of the movable clamping block and the three-ball pin is enhanced, and the connection effect is enhanced;

3. through the setting of double thread screw rod, make the integrated device have fine dismantlement effect, when changing the output shaft, the user drives the transmission shaft through rotatory handle and rotates, the transmission shaft drives the double thread screw rod through drive sprocket and drive chain and rotates, remove the spiro union under the effect of stopper, move to the opposite direction along the double thread screw rod, it drives the connecting rod and removes to remove the spiro union, the connecting rod drives movable fixture block and contracts, make movable fixture block and plug break away from mutually, thereby be convenient for the quick dismantlement of output shaft and three ball pins.

Drawings

FIG. 1 is a schematic view of the structure of the device 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 a schematic side view of the tripod according to the present invention;

in the figure: 1. an inner cage assembly; 2. an input shaft; 3. an output shaft; 4. a three-ball pin; 5. mounting blocks; 6. installing a sleeve; 7. a support spring; 8. a plug; 9. a movable clamping block; 10. clamping and fixing the spring; 11. a double-thread screw; 12. a drive shaft; 13. rotating the handle; 14. moving the screw sleeve; 15. a connecting rod; 16. a limiting block; 17. a slide rail; 18. a clamping groove.

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: an anti-falling inner ball cage comprises an inner ball cage assembly 1, an input shaft 2 and an output shaft 3 are respectively arranged at two ends of the inner ball cage assembly 1, a three-ball pin 4 is movably arranged at one end inside the inner ball cage assembly 1, the output shaft 3 is movably inserted inside the inner ball cage assembly, a plug 8 is fixedly arranged at one end of the output shaft 3, one end of the plug 8 penetrates through the three-ball pin 4, a contraction groove is formed inside the plug 8, a clamping and fixing spring 10 is fixedly arranged at the middle position inside the contraction groove, movable clamping blocks 9 are fixedly arranged at two ends of the clamping and fixing spring 10, one end of each movable clamping block 9 is movably inserted outside the plug 8, one side of the end is attached to one side of the three-ball pin 4, an installation groove is formed at one end inside the output shaft 3, a double-thread screw rod 11 is movably arranged inside the inner ball cage, a movable threaded sleeve 14 is respectively sleeved at two ends of the double-thread screw rod 11, a connecting rod 15 is movably sleeved at two ends of the double-thread screw rod 11, one end of a connecting rod 15 is movably inserted in the shrinking groove and fixedly connected with one side of a movable clamping block 9, a transmission shaft 12 is movably arranged in the output shaft 3 and is in transmission connection with a double-thread screw 11 through a transmission chain wheel and a transmission chain, one end of the inner part of the inner ball cage assembly 1 is fixedly provided with a mounting block 5, one end of the inner part of the inner ball cage assembly 1 is sleeved with a mounting sleeve 6, one side of the mounting sleeve 6 is attached to one end of a plug 8, one end of the inner wall of the mounting sleeve 6 is fixedly provided with a supporting spring 7, one end of the mounting block 5 is fixedly connected, when a user installs the output shaft 3, the plug 8 at one end of the output shaft 3 is inserted into the three-ball pin 4, one end of the movable clamping block 9 is inclined, one end of the movable clamping block 9 and the surface of the plug 8 are positioned on the same horizontal line, so that when the movable clamping block 9 is attached to the three-ball pin 4, the movable clamping block 9 shrinks into the shrinking groove, compressing the clamping spring 10, when the output shaft 3 is inserted to the maximum position, and the movable clamping block 9 is separated from the tripod 4, the movable clamping block 9 is popped out under the action of the clamping spring 10, so that one end of the movable clamping block 9 is clamped with the clamping groove 18 on the surface of the tripod 4, the connection between the reinforced tripod 4 and the output end is avoided, the use effect is prevented from falling off in the use process, when the plug 8 penetrates through the tripod 4, one end of the plug 8 is attached to one end of the mounting sleeve 6, the mounting sleeve 6 moves along the surface of the mounting block 5 along with the insertion of the plug 8, the supporting spring 7 is compressed, the mounting sleeve 6 extrudes the plug 8 under the reverse action of the supporting spring 7, so that the clamping between the movable clamping block 9 and the tripod 4 is enhanced, the connection effect is enhanced, when the output shaft 3 is replaced, the transmission shaft 12 drives the double-thread screw 11 to rotate through a transmission chain wheel and a transmission chain, the movable threaded sleeve 14 moves along the double-threaded screw rod 11 in the opposite direction under the action of the limiting block 16, the movable threaded sleeve 14 drives the connecting rod 15 to move, the connecting rod 15 drives the movable clamping block 9 to contract, the movable clamping block 9 is separated from the plug 8, and therefore the output shaft 3 and the three-ball pin 4 can be detached quickly.

Furthermore, one end of the movable clamping block 9 is in an inclined arc shape, one end of the movable clamping block 9 and the surface of the plug 8 are located on the same horizontal line, and when the movable clamping block 9 is in contact with the tripod 4, the movable clamping block 9 is contracted into the contracted groove, so that the movable clamping block 9 is conveniently clamped with the tripod 4.

Further, the spread groove has all been seted up to the both sides on installation piece 5 surface, and its both sides that are located installation piece 5 are the symmetric distribution, and the equal fixed mounting in both sides of the inside one end of installation cover 6 has the slider, slider and spread groove swing joint, and the length of spread groove is less than the length of installation piece 5, under the effect of spread groove and slider, has strengthened the swing joint of installation piece 5 with installation cover 6, carries on spacingly to the displacement range of installation cover 6.

Furthermore, one side on the surface of the output shaft 3 is provided with a groove, one end of the transmission shaft 12 is movably inserted into the groove, the rotating handle 13 is fixedly installed at the end, and a user can drive the transmission shaft 12 to rotate through the rotating handle 13, so that the output shaft 3 can be conveniently detached.

Furthermore, a slide rail 17 is fixedly mounted on one side inside the mounting groove, a limiting block 16 is fixedly mounted on one side of the movable screw sleeve 14, one end of the limiting block is movably connected with the slide rail 17, and under the action of the slide rail 17 and the limiting block 16, the movable screw sleeve 14 is convenient to limit, and the influence on the movement of the movable screw sleeve 14 is avoided.

Furthermore, clamping grooves 18 are formed in two sides of one end of the tripod 4, the clamping grooves 18 are clamped with one end of the movable clamping block 9, and the clamping connection between the movable clamping block 9 and the tripod 4 is enhanced under the action of the clamping grooves 18.

The working principle is as follows: when a user installs the output shaft 3, the plug 8 at one end of the output shaft 3 is inserted into the tripod 4, one end of the movable clamping block 9 is inclined, one end of the movable clamping block 9 and the surface of the plug 8 are positioned on the same horizontal line, when the movable clamping block 9 is attached to the tripod 4, the movable clamping block 9 is contracted into the contracted groove to compress the clamping spring 10, when the output shaft 3 is inserted to the maximum position, the movable clamping block 9 is separated from the tripod 4, the movable clamping block 9 is popped out under the action of the clamping spring 10, one end of the movable clamping block 9 is clamped with the clamping groove 18 on the surface of the tripod 4, the connection between the tripod 4 and the output end is strengthened, the falling off in the using process is avoided, the use effect is influenced, when the plug 8 passes through the tripod 4, one end of the plug 8 is attached to one end of the mounting sleeve 6, and the mounting sleeve 6 moves along the surface of the mounting block 5 along with the insertion of the plug 8, compress supporting spring 7, installation cover 6 is under supporting spring 7 reaction, installation cover 6 extrudees plug 8, thereby it is solid with the card of three ball round pin 4 to have strengthened activity fixture block 9, the connection effect has been strengthened, when changing output shaft 3, the user drives transmission shaft 12 through rotatory handle 13 and rotates, transmission shaft 12 drives double thread screw rod 11 through driving sprocket and drive chain and rotates, remove swivel nut 14 under stopper 16's effect, move to relative direction along double thread screw rod 11, it drives connecting rod 15 and moves to remove swivel nut 14, connecting rod 15 drives activity fixture block 9 and contracts, make activity fixture block 9 break away from mutually with plug 8, thereby be convenient for quick dismantlement of output shaft 3 and three ball round pin 4.

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 anti-drop's interior ball cage, includes interior ball cage assembly (1), and input shaft (2) and output shaft (3), its characterized in that are installed respectively to its both ends: the inner ball cage assembly is characterized in that a tripod (4) is movably mounted at one end inside the inner ball cage assembly (1), an output shaft (3) is movably inserted into the inner ball cage assembly, a plug (8) is fixedly mounted at one end of the output shaft (3), one end of the output shaft penetrates through the tripod (4), a contraction groove is formed in the plug (8), a clamping spring (10) is fixedly mounted at the middle position inside the contraction groove, movable clamping blocks (9) are fixedly mounted at two ends of the clamping spring (10), one end of each movable clamping block (9) is movably inserted into the outer side of the plug (8), one side of the end is attached to one side of the tripod (4), a mounting groove is formed in one end inside the output shaft (3), a double-threaded screw (11) is movably mounted inside the mounting groove, movable threaded screws (14) are movably sleeved at two ends of the double-threaded screw (11), and connecting rods (15) are movably sleeved at two ends of the double-threaded screw (11), the one end activity of connecting rod (15) alternates in the inside of shrink groove, and this end and one side fixed connection of activity fixture block (9), the inside movable mounting of output shaft (3) has transmission shaft (12), and it is connected with double-thread screw rod (11) transmission through drive sprocket and drive chain, the inside one end fixed mounting of interior ball cage assembly (1) has installation piece (5), and its pot head is equipped with installation cover (6), one side of installation cover (6) is laminated mutually with the one end of plug (8), the one end fixed mounting of installation cover (6) inner wall has supporting spring (7), its one end with the one end fixed connection of installation piece (5).

2. A drop-resistant inner cage according to claim 1, wherein: one end of the movable clamping block (9) is in an inclined arc shape, and one end of the movable clamping block (9) and the surface of the plug (8) are located on the same horizontal line.

3. A drop-resistant inner cage according to claim 1, wherein: the spread groove has all been seted up to the both sides on installation piece (5) surface, and its both sides that are located installation piece (5) are the symmetric distribution.

4. A drop-resistant inner cage according to claim 3, wherein: the installation cover (6) is characterized in that sliding blocks are fixedly installed on two sides of one end inside the installation cover (6), the sliding blocks are movably connected with connecting grooves, and the length of the connecting grooves is smaller than that of the installation block (5).

5. A drop-resistant inner cage according to claim 1, wherein: one side of the surface of the output shaft (3) is provided with a groove, one end of the transmission shaft (12) is movably inserted in the groove, and the rotating handle (13) is fixedly installed at the end.

6. A drop-resistant inner cage according to claim 1, wherein: a sliding rail (17) is fixedly mounted on one side inside the mounting groove, a limiting block (16) is fixedly mounted on one side of the movable screw sleeve (14), and one end of the limiting block is movably connected with the sliding rail (17).

7. A drop-resistant inner cage according to claim 1, wherein: clamping grooves (18) are formed in two sides of one end of the tripod (4), and the clamping grooves (18) are clamped with one end of the movable clamping block (9).