CN218347847U

CN218347847U - Novel guider

Info

Publication number: CN218347847U
Application number: CN202222701077.4U
Authority: CN
Inventors: 毕倩; 孙磊
Original assignee: Furith Jiangsu Auto Parts Co ltd
Current assignee: Furith Jiangsu Auto Parts Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-01-20
Anticipated expiration: 2032-10-14

Abstract

A novel guider is used for limiting a piston rod in a shock absorber, the guider is arranged at one end of the shock absorber in a penetrating mode, the piston rod on the shock absorber penetrates through the guider, the guider comprises an outer sleeve and an inner sleeve, the outer sleeve is divided into a large-diameter end and a small-diameter end, and the large-diameter end and the small-diameter end are connected into a whole; the inner sleeve is fixed at the small-diameter end of the outer sleeve, the lubricating device is arranged on the inner wall of the inner sleeve, the diameter reducing state of the end of the guider in the original state is changed into the diameter non-reducing state of the end of the guider through redesign of the guider inside the shock absorber, the coaxiality of the shock absorber is improved, the lubricating device is arranged inside the shock absorber, when a piston rod inside the shock absorber is retarded and has radial displacement, the lubricating device is extruded, lubricating oil is extruded from the oil outlet, the piston rod is lubricated, and smooth operation of the piston rod is guaranteed.

Description

Novel guider

Technical Field

The utility model relates to a bumper shock absorber accessory technical field especially relates to a novel director.

Background

The automobile ride comfort refers to when the automobile runs in a general running speed range, avoid vibration and impact generated in the running process due to the automobile, make people feel uncomfortable, fatigue, even harm to health, or make the performance of goods damaged, however, the coaxiality of the shock absorber also influences the ride comfort of the automobile, in the prior art, when an old-fashioned guider is matched with a shock absorber outer cylinder, the end of the guider needs to be reduced, and a finish rolling outer cylinder is used, the material cost is far higher than that of a straight welded pipe, and the coaxiality after the reduction is far lower than that of the straight welded pipe, in the actual running process of the shock absorber, the clamping stagnation phenomenon is easily generated, the comfort degree of passengers is reduced, therefore, through redesigning the internal guider of the shock absorber, the original state guider end reducing state is changed into the guider end non-reducing state, the coaxiality of the shock absorber is improved, and the clamping stagnation phenomenon in the running process of the shock absorber is eliminated.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a novel guider.

The utility model discloses a following technical scheme realizes:

a novel guider is used for guiding a piston rod in a shock absorber, the guider is arranged at one end of the shock absorber in a penetrating mode, the piston rod on the shock absorber penetrates through the guider, the guider comprises an outer sleeve and an inner sleeve, the outer sleeve is divided into a large-diameter end and a small-diameter end, and the large-diameter end and the small-diameter end are connected into a whole;

the inner sleeve is fixed at the small-diameter end of the outer sleeve, and a lubricating device is arranged on the inner wall of the inner sleeve.

The lubricating device comprises a containing groove which is fixed on the inner wall of the inner sleeve and is connected with the inner sleeve into a whole;

the pressing plate is arranged in the accommodating groove and can slide up and down in the accommodating groove, and a plurality of oil outlet holes are formed in the pressing plate;

the rubber blocks are arranged between the pressure plate and the inner wall of the accommodating groove, the rubber blocks are used for providing radial supporting force, one end of each rubber block is fixed on the inner wall of the accommodating groove, and the other end of each rubber block is fixed with the pressure plate;

the oil absorption cotton is arranged between every two rubber blocks, lubricating oil is fully absorbed in the oil absorption cotton, and the oil absorption cotton is used for storing the lubricating oil.

And an antifouling ring is arranged on the inner wall of one end of the inner sleeve close to the large-diameter end.

The side wall of the large-diameter end is provided with a clamping groove, the clamping groove is an annular groove, and the clamping groove is used for installing an oil seal on the shock absorber.

The utility model discloses for prior art through the redesign to the inside director of bumper shock absorber, change original state director end undergauge state into the director end state of not reducing the footpath, improve the axiality of bumper shock absorber, and inside sets up lubricating arrangement, when the inside piston rod of bumper shock absorber appears retarding and have radial displacement, lubricating arrangement receives the extrusion, and lubricating oil is extruded from the oil outlet, lubricates the piston rod, guarantees that the operation of piston rod is smooth and easy.

Drawings

FIG. 1 is a schematic view of the installation and cooperation of the guide and the damper of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of the lubricating device of the present invention;

in the figure: 1. a piston rod; 2. a gland; 3. oil sealing; 4. a guide; 5. an oil storage cylinder; 6. a working cylinder; 41. a jacket; 42. a small diameter end; 43. an inner sleeve; 44. a lubricating device; 45. an antifouling ring; 46. a large diameter end; 47. a card slot; 441. a containing groove; 442. pressing a plate; 443. a rubber block; 444. oil absorbing cotton; 445. an oil outlet.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

The present invention will be further explained with reference to the accompanying drawings,

as shown in fig. 1-3, a new guider 4, the guider 4 is used for guiding the piston rod 1 in the shock absorber, the guider 4 plays a good role of guiding the movement of the piston rod 1 in the shock absorber and bears the huge lateral force generated thereby, and at the same time, the working cylinder 6 is communicated with the oil storage cylinder 5 through the oil hole of the guider 4, the guider 4 is arranged at one end of the shock absorber in a penetrating way, the piston rod 1 on the shock absorber penetrates through the guider 4, the guider 4 comprises an outer sleeve 41 and an inner sleeve 43, the outer sleeve 41 is divided into a large diameter end 46 and a small diameter end 42, and the large diameter end 46 and the small diameter end 42 are connected into a whole;

the inner sleeve 43 is fixed on the small-diameter end 42 of the outer sleeve 41, and a lubricating device 44 is arranged on the inner wall of the inner sleeve 43.

The lubricating device 44 comprises a containing groove 441, and the containing groove 441 is fixed on the inner wall of the inner sleeve 43 and is connected with the inner sleeve 43 into a whole;

the pressing plate 442 is arranged in the accommodating groove 441, the pressing plate 442 can slide up and down in the accommodating groove 441, and a plurality of oil outlet holes 445 are formed in the pressing plate 442;

the rubber blocks 443 are arranged in a plurality of rubber blocks 443, the rubber blocks 443 are arranged between the pressing plate 442 and the inner wall of the accommodating groove 441, the rubber blocks 443 are used for providing radial supporting force, one end of each rubber block 443 is fixed on the inner wall of the accommodating groove 441, the other end of each rubber block 443 is fixed with the corresponding pressing plate 442, the rubber blocks 443 are made of wear-resistant rubber, displacement of the piston rod 1 is limited, radial supporting force is provided for the piston rod 1, and coaxiality of the piston rod 1 and the shock absorber is guaranteed.

The oil absorption cotton 444 is arranged between each rubber block 443, the oil absorption cotton 444 is filled with lubricating oil, and the oil absorption cotton 444 is used for storing the lubricating oil.

The inner sleeve 43 is provided with an anti-fouling ring 45 on the inner wall of one end close to the large-diameter end 46, the anti-fouling ring 45 is arranged to prevent external dust and impurities from entering the piston rod 1, the impurities carried on the wall of the piston rod 1 can be cleaned, the running stability of the shock absorber is guaranteed, and the service life of the device is prolonged.

Be equipped with draw-in groove 47 on the lateral wall of major diameter end 46, draw-in groove 47 is the ring channel, draw-in groove 47 is used for installing oil blanket 3 on the bumper shock absorber, and in oil blanket 3 prevented that external impurity ash blanket from getting into the bumper shock absorber, and can prevent that the hydraulic oil that stores in the hydro-cylinder 5 in the bumper shock absorber from spilling, guarantees the steady operation of device.

The utility model discloses a theory of use is: when the guide device is used, firstly, the inner sleeve 43 of the guide device 4 and the outer sleeve 41 are installed together, then the guide device 4 is fixed in the shock absorber and abuts against one end of the shock absorber working cylinder 6, the outer edge of the large-diameter end 46 of the guide device 4 abuts against the inner wall of one end of the oil storage cylinder 5 of the shock absorber, the piston rod 1 of the shock absorber penetrates through the shock absorber, the outer side wall of the guide device 4 is further fixedly provided with the oil seal 3, the oil seal 3 is clamped in the clamping groove 47 on the guide device 4, when the shock absorber works, the piston rod 1 enters and exits, and when the piston rod 1 radially displaces, the lubricating device 44 on the inner wall of the inner sleeve 43 is extruded, the pressing plate 442 on the lubricating device 44 is forced to extrude the rubber block 443, so as to drive and extrude the oil absorption cotton 444, the oil storage in the lubricating oil is extruded from the oil outlet 445 on the pressing plate 442, the piston rod 1 is lubricated, and the rubber block 443 cushions and limits the displacement of the piston rod 1, thereby ensuring the smooth operation of the piston rod 1 without retardation.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a novel director, director (4) are arranged in the direction of piston rod (1) in the bumper shock absorber, and the one end at the bumper shock absorber is worn to establish in director (4), and piston rod (1) on the bumper shock absorber runs through director (4), its characterized in that: the guider (4) comprises an outer sleeve (41) and an inner sleeve (43), wherein the outer sleeve (41) is divided into a large-diameter end and a small-diameter end which are connected into a whole;

the inner sleeve (43) is fixed at the small-diameter end of the outer sleeve (41), and a lubricating device is arranged on the inner wall of the inner sleeve (43).

2. The novel guide of claim 1, wherein: the lubricating device (44) comprises a containing groove (441), and the containing groove (441) is fixed on the inner wall of the inner sleeve (43) and is connected with the inner sleeve (43) into a whole;

the pressing plate (442) is arranged in the accommodating groove (441), the pressing plate (442) can slide up and down in the accommodating groove (441), and the pressing plate (442) is provided with a plurality of oil outlet holes (445);

the rubber blocks (443) are arranged in plurality, the rubber blocks (443) are arranged between the pressing plate (442) and the inner wall of the accommodating groove (441), the rubber blocks (443) are used for providing radial supporting force, one end of each rubber block (443) is fixed to the inner wall of the accommodating groove (441), and the other end of each rubber block (443) is fixed to the pressing plate (442);

the oil absorption cotton (444) is arranged between each rubber block (443), the oil absorption cotton (444) is filled with lubricating oil, and the oil absorption cotton (444) is used for storing the lubricating oil.

3. The new guide of claim 2, wherein: an antifouling ring (45) is arranged on the inner wall of one end of the inner sleeve (43) close to the large-diameter end (46).

4. The new guide of claim 2, wherein: be equipped with draw-in groove (47) on the lateral wall of major diameter end (46), draw-in groove (47) are the ring channel, draw-in groove (47) are used for installing oil blanket (3) on the bumper shock absorber.