CN212455197U

CN212455197U - Dust keeper and connecting rod assembly

Info

Publication number: CN212455197U
Application number: CN202021801265.9U
Authority: CN
Inventors: 吴兰超; 汪奇谋; 何开平; 白金鑫; 张益辉
Original assignee: WM Smart Mobility Shanghai Co Ltd
Current assignee: WM Smart Mobility Shanghai Co Ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-02-02
Anticipated expiration: 2030-08-25

Abstract

The application discloses dust keeper and connecting rod assembly, it includes first joint portion, second joint portion, ball round pin, dust cover and spherical shell, the ball round pin includes spheroid and pin rod, the spheroid is fixed and is served at the pin rod, the spheroid is installed in the spherical shell, the dust cover has first end and second end, first pot head is established on the pin rod, and is fixed through first joint portion, the second pot head is established on the spherical shell, it is fixed through second joint portion, the first end of pin rod shutoff. Utilize this application not only can realize that the multilayer of dust cover is sealed, promote sealed effect, avoid muddy water to get into the oil leak phenomenon that produces abnormal sound and dust cover seal not tight and cause in the dust cover, improve the user and experience by bus, but also need not add spare part, only need can realize through the change of local structure, can save the cost, simplify technology, simple structure simultaneously, convenient assembling.

Description

Dust keeper and connecting rod assembly

Technical Field

The application relates to the technical field of automobiles, in particular to a dustproof device and a connecting rod assembly.

Background

The connecting rod dust cover is the subsection of connecting rod assembly, and mainly used prevents inside silt, dust, the muddy water entering connecting rod spherical shell, avoids the connecting rod assembly that produces from this to lose efficacy or abnormal sound.

At present, the connecting rod dust cover is directly established on the connecting rod assembly, uses a period of back, and the cohesion of connecting rod dust cover reduces, leads to the connecting rod dust cover not hard up, and sealed effect reduces, and dustproof effect weakens, and in muddy water invades the dust cover, the abnormal sound takes place easily, and experience by bus remains to further improve.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present application provides a dust-proof device and a connecting rod assembly to solve the above technical problems.

The application provides a dust keeper, it includes: first joint portion, second joint portion, ball round pin, dust cover and spherical shell, the ball round pin includes spheroid and pin rod, the spheroid is fixed in one of pin rod and is served, the spheroid is installed in the spherical shell, the dust cover has first end and second end, first pot head is established on the pin rod, and is fixed through first joint portion, the second pot head is established on the spherical shell, and is fixed through second joint portion, the first end of pin rod shutoff not only can realize the multilayer of dust cover and seal up the effect, avoids muddy water to get into the oil leak phenomenon that produces abnormal sound and dust cover in the dust cover and seal up not tight and cause, improves user's experience by bus, and still need not add spare part, only need can realize through the change of local structure, can save the cost, simplify technology, simple structure simultaneously, convenient assembling.

Optionally, be provided with first bellying on the circumference lateral wall of pin pole, be provided with first recess on the circumference inner wall of first end, first bellying pegs graft with first recess, not only the installation fastness of multiplicable dust cover still can further improve sealing performance.

Optionally, a groove wall of the first groove close to the second end is in interference fit with the pin rod, so that the pin rod better blocks the first end of the dust cover, and the sealing effect is better improved.

Optionally, the circumference inner wall of the first end of dust cover extends towards the direction of keeping away from the second end and forms first sleeve, the internal diameter of first sleeve equals with the internal diameter of first end, be provided with the second recess on the circumference lateral wall of pin rod, first sleeve is pegged graft with the second recess, first joint portion cover is established on first sleeve, and is located the second recess, can further avoid taking place relative displacement between dust cover and the ball round pin, guarantees the installation fastness and the leakproofness of the first end of dust cover.

Optionally, the circumference border that the second end was kept away from to first sleeve turns over outwards and forms first turn-ups, first turn-ups and the terminal surface of first sleeve, first end form the third recess, the third recess is pegged graft in the second recess, first joint portion is located in the third recess, can carry on spacingly to dust cover and first joint portion, avoids relative movement between dust cover, first joint portion and the ball round pin, guarantees the installation fastness and the leakproofness of the first end of dust cover.

Optionally, the circumference inner wall of the second end of dust cover extends towards the direction of keeping away from first end and forms the second sleeve, the external diameter of second sleeve equals with the internal diameter of second end, be provided with the fourth recess on the circumference lateral wall of spherical shell, the second sleeve is pegged graft in the fourth recess, second joint portion cover is established on the second sleeve, and is located the fourth recess, can prevent that dust cover and spherical shell from taking place relative movement, guarantees the leakproofness of dust cover.

Optionally, the circumferential edge of the second sleeve, which is far away from the first end, is turned outwards to form a second turned edge, the end face of the second end and the second sleeve form a fifth groove, the fifth groove is inserted into the fourth groove, and the second clamping portion is located in the fifth groove. Through setting up the fifth recess, can carry on spacingly to dust cover and first joint portion, avoid relative movement between dust cover, first joint portion and the ball round pin, guarantee the installation fastness and the leakproofness of dust cover second end.

Optionally, the first clamping portion and the second clamping portion are clamping springs, so that the installation is convenient, and the cost is low.

Optionally, still include spherical cover and apron, the apron includes the body, be provided with the second bellying on the body, be provided with first installing port and second installing port on the spherical shell, first installing port and second installing port set up relatively, the spheroid pressure equipment of ball round pin is in spherical cover, spherical cover passes first installing port and installs in the spherical shell, be provided with the sixth recess on the inner wall of second installing port, the body is pegged graft with the sixth recess, second bellying shutoff second installing port not only can protect the spheroid of ball round pin, but also can further guarantee the leakproofness of spherical shell.

The application still provides a connecting rod assembly, it includes the connecting rod and as above dust keeper, the connecting rod is fixed on the spherical shell, not only can realize that the multilayer of dust cover is sealed, promotes sealed effect, avoids muddy water to get into the oil leak phenomenon that produces the abnormal sound and the dust cover is sealed not tight and cause in the dust cover, improves the user and experiences by bus, but also need not add spare part, only need can realize through the change of local structure, can save the cost, simplify technology, while simple structure, convenient assembling.

The utility model provides a dust keeper and connecting rod assembly are through setting up the ball round pin, the dust cover, the spherical shell, first joint portion and second joint portion, the first end of dust cover is by the pin rod shutoff of ball round pin, and fixed by first joint portion, the second pot head of dust cover is established on the spherical shell, and fixed by second joint portion, not only can realize the multilayer of dust cover is sealed, promote sealed effect, avoid muddy water to get into the oil leak phenomenon that produces abnormal sound and dust cover in the dust cover and seal up not tight and cause, improve user's experience by bus, and need not add spare part, only need can realize through the change of local structure, can save the cost, simplify technology, simple structure simultaneously, and convenient assembling.

Drawings

Fig. 1 is a front view of the dust-proof device of the present application.

Fig. 2 is a sectional view of the dust-proof device of the present application.

Fig. 3 is an enlarged view of a in fig. 1 of the present application.

Fig. 4 is an enlarged view of B in fig. 3 of the present application.

Detailed Description

The technical solutions of the present application are described in detail below with reference to the accompanying drawings and specific embodiments. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Fig. 1 shows a front view of the dust-proof device of the present application, and fig. 2 shows a cross-sectional view of the dust-proof device of the present application. As shown in fig. 1-2, the present application provides a dust-proof device, comprising: first joint portion 6, second joint portion 7, ball round pin 1, dust cover 3 and spherical shell 5.

The ball pin 1 comprises a ball body and a pin rod, wherein the ball body is fixed at one end of the pin rod, and the axis of the pin rod passes through the center of the ball body.

The ball is mounted in the spherical shell 5 and the dust boot 3 has a first end and a second end, the second end and the first end being opposable.

The first end sleeve is arranged on the pin rod and fixed through the first clamping portion 6, the pin rod blocks the first end, and the second end sleeve is arranged on the spherical shell 5 and fixed through the second clamping portion.

When the dustproof device is installed, the ball body of the ball pin 1 is firstly installed in the ball shell 5, and the second end and the first end of the dustproof cover 3 sequentially penetrate through the ball pin 1. The first end is sleeved on the pin rod of the ball pin 1, and the second end is sleeved on the ball shell 5. Then, grease is injected into the dust cover 3.

Finally, the first end is fixed on the pin rod by the first clamping part 6, and the second end is fixed on the spherical shell 5 by the second clamping part 7.

The utility model provides a dust keeper is through setting up the ball round pin, the dust cover, the spherical shell, first joint portion and second joint portion, the first end of dust cover is by the pin rod shutoff of ball round pin, and fixed by first joint portion, the second pot head of dust cover is established on the spherical shell, and fixed by second joint portion, not only can realize that the multilayer of dust cover is sealed, promote sealed effect, avoid muddy water to get into the oil leak phenomenon that produces abnormal sound and dust cover in the dust cover and seal up not strictly and cause, improve user's experience by bus, and need not add spare part yet, only need can realize through the change of local structure, can save the cost, simplify technology, simple structure simultaneously, and convenient assembling.

Further, as shown in fig. 2 to 3, a first protruding portion is disposed on a circumferential side wall of the pin rod, a first groove 31 is disposed on an inner wall of the first end, and the first protruding portion is inserted into the first groove 31, so that not only can the mounting firmness of the dust cover 3 be increased, but also the sealing performance can be further improved.

Preferably, as shown in fig. 4, the groove wall 36 of the first groove 31 near the second end is in interference fit with the pin, so that the pin better blocks the first end of the dust cover 3, and the sealing effect is better improved.

Preferably, the circumferential inner wall of the first end extends towards the direction away from the second end to form a first sleeve 33, and the inner diameter of the first sleeve 33 is equal to the inner diameter of the first end.

And a second groove is formed in the circumferential side wall of the pin rod, and the first sleeve 33 is inserted in the second groove.

First joint portion 6 cover is established on first sleeve 33, and is located in the third recess, can further avoid taking place relative displacement between dust cover 3 and ball round pin 1, guarantee the installation fastness and the leakproofness of the first end of dust cover 3.

Further, the circumferential edge of the first sleeve 33, which is far away from the second end, is turned outwards to form a first turned edge, the first sleeve and the end face of the first end form a third groove, the third groove is inserted into the second groove, and the first clamping portion 6 is located in the third groove.

Through setting up the third recess, the third recess is pegged graft in the second recess, and 6 joints of first joint portion can carry on spacingly to dust cover 3 and first joint portion 6 in the third recess, avoids relative movement between dust cover 3, first joint portion 6 and the ball round pin 1, guarantees the installation fastness and the leakproofness of the first end of dust cover 3.

Optionally, as shown in fig. 3, the circumferential inner wall of the second end extends away from the first end to form a second sleeve 34, and the outer diameter of the second sleeve 34 is equal to the inner diameter of the second end.

And a fourth groove is formed in the circumferential outer side wall of the spherical shell 5. The second sleeve 34 is inserted into the fourth groove, and the second clamping portion 7 is sleeved on the second sleeve and located in the fourth groove.

Through set up second sleeve 34 on the second end of dust cover 3, second sleeve 34 pegs graft in the fourth recess, can prevent that dust cover 3 and spherical shell 5 from taking place relative movement, guarantees the leakproofness of dust cover 3.

It is further right that the circumference border that the first end was kept away from to second sleeve 34 turns over outwards and forms the second turn-ups, and the second turn-ups forms fifth recess 35 with the terminal surface of second sleeve, second end, and fifth recess 35 is pegged graft in the fourth recess, second joint portion 7 is located fifth recess 35.

Through setting up fifth recess 35, can carry on spacingly to dust cover 3 and first joint portion 6, avoid relative movement between dust cover 3, first joint portion 6 and the ball round pin 1, guarantee the installation fastness and the leakproofness of dust cover 3 second end.

In a specific example, the first clamping portion 6 and the second clamping portion 7 are clamping springs, so that the installation is convenient, and the cost is low.

In a specific embodiment, the dust-proof device further comprises a spherical cover 8, the sphere of the ball pin 1 is press-fitted in the spherical cover 8, and the spherical cover 8 is installed in the ball housing 5 to protect the sphere of the ball pin 1.

Further, the dust-proof device further comprises a cover plate 9, the cover plate 9 comprises a body, and a second protruding portion is arranged on the body, and is cylindrical as shown in fig. 3.

The spherical shell is characterized in that two opposite side walls of the spherical shell 5 are respectively provided with a first mounting port and a second mounting port, the spherical cover 8 passes through the first mounting port and is mounted in the spherical shell 5, the inner wall of the second mounting port is provided with a sixth groove, the body is connected with the sixth groove in an inserting mode, and the second protruding portion plugs the second mounting port so as to further guarantee the sealing performance in the spherical shell 5.

In this embodiment, the cover plate 9 is installed in the second installation opening by spin riveting to ensure the installation firmness of the cover plate 9.

The application still provides a connecting rod assembly, it includes connecting rod 4 and as above dust keeper, connecting rod 4 is fixed on spherical shell 5.

In this embodiment, the connecting rod 4 is welded to the spherical shell 5. After the dustproof device is assembled, the connecting rod 4 is welded on the spherical shell 5.

The application provides a connecting rod assembly is through setting up the ball round pin, the dust cover, the spherical shell, first joint portion and second joint portion, the first end of dust cover is by the pin rod shutoff of ball round pin, and fixed by first joint portion, the second pot head of dust cover is established on the spherical shell, and fixed by second joint portion, not only can realize that the multilayer of dust cover is sealed, promote sealed effect, avoid muddy water to get into the oil leak phenomenon that produces abnormal sound and dust cover in the dust cover and seal up not strictly and cause, improve user's experience by bus, and need not add spare part yet, only need can realize through the change of local structure, can save the cost, simplify technology, simple structure simultaneously, and convenient assembling.

The technical solutions of the present application are described in detail with reference to specific embodiments, which are used to help understand the ideas of the present application. The derivation and modification made by the person skilled in the art on the basis of the specific embodiment of the present application also belong to the protection scope of the present application.

Claims

1. A dust-proof device, comprising: first joint portion, second joint portion, ball round pin, dust cover and spherical shell, the ball round pin includes spheroid and pin rod, the spheroid is fixed in one of pin rod and is served, the spheroid is installed in the spherical shell, the dust cover has first end and second end, first pot head is established on the pin rod, and is fixed through first joint portion, the second pot head is established on the spherical shell, it is fixed through second joint portion, the first end of pin rod shutoff.

2. The dust keeper of claim 1, wherein the pin has a first protrusion disposed on a circumferential sidewall thereof, and a first groove disposed on a circumferential inner wall of the first end, the first protrusion being inserted into the first groove.

3. The dust keeper of claim 2, wherein a wall of the first recess proximate the second end has an interference fit with the pin.

4. The dustproof device according to claim 3, wherein the circumferential inner wall of the first end of the dustproof cover extends away from the second end to form a first sleeve, the inner diameter of the first sleeve is equal to the inner diameter of the first end, a second groove is formed in the circumferential side wall of the pin rod, the first sleeve is inserted into the second groove, and the first clamping portion is sleeved on the first sleeve and located in the second groove.

5. The dustproof device according to claim 4, wherein the circumferential edge of the first sleeve away from the second end is folded outwards to form a first flange, the first sleeve and the end surface of the first end form a third groove, the third groove is inserted into the second groove, and the first clamping portion is located in the third groove.

6. The dustproof device according to claim 5, wherein the circumferential inner wall of the second end of the dustproof cover extends away from the first end to form a second sleeve, the outer diameter of the second sleeve is equal to the inner diameter of the second end, a fourth groove is formed in the circumferential outer side wall of the spherical shell, the second sleeve is inserted into the fourth groove, and the second clamping portion is sleeved on the second sleeve and located in the fourth groove.

7. The dustproof device according to claim 6, wherein the circumferential edge of the second sleeve away from the first end is folded outwards to form a second flange, the end face of the second end and the second sleeve form a fifth groove, the fifth groove is inserted into the fourth groove, and the second clamping portion is located in the fifth groove.

8. The dustproof apparatus according to any one of claims 1 to 7, wherein the first engaging portion and the second engaging portion are both snap springs.

9. The dustproof apparatus according to any one of claims 1 to 7, further comprising a spherical cap and a cover plate, wherein the cover plate comprises a body, the body is provided with a second protrusion, the spherical shell is provided with a first mounting opening and a second mounting opening, the first mounting opening and the second mounting opening are arranged oppositely, a sphere of the ball pin is pressed in the spherical cap, the spherical cap passes through the first mounting opening and is mounted in the spherical shell, the inner wall of the second mounting opening is provided with a sixth groove, the body is inserted into the sixth groove, and the second protrusion blocks the second mounting opening.

10. A connecting rod assembly comprising a connecting rod and a dust guard according to any of claims 1 to 9, said connecting rod being secured to a spherical shell.