CN204852139U - Sleeve assembly of bumper shock absorber - Google Patents
Sleeve assembly of bumper shock absorber Download PDFInfo
- Publication number
- CN204852139U CN204852139U CN201520539717.3U CN201520539717U CN204852139U CN 204852139 U CN204852139 U CN 204852139U CN 201520539717 U CN201520539717 U CN 201520539717U CN 204852139 U CN204852139 U CN 204852139U
- Authority
- CN
- China
- Prior art keywords
- sleeve
- pipe portion
- apical grafting
- valve body
- grafting pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a sleeve assembly of bumper shock absorber, including sleeve and piston rod, the piston rod body of rod stretches into telescopic one end and installs the piston assembly and pass through set nut fixed connection, the body of rod stretches into the end extension has apical grafting pipe portion, bottom valve assembly and bottom are installed to sleeve barrel bottom, the bottom valve assembly includes the valve body, the cover is equipped with spring washers in the apical grafting pipe portion, this spring washers one end and set nut butt, the terminal surface flushes outside the spring washers other end and the apical grafting pipe portion, spring washers is equipped with outstanding cambered surface buffer structure outwards with the terminal surface that apical grafting pipe portion flushed, wear to be equipped with set screw on the valve body, there is the packing ring between set screw and the valve body, set screw's double -screw bolt end is connected with set nut, there are buffer spacer and buffer spring between set nut and the valve body, buffer spring includes the shell fragment body, shell fragment body edge is equipped with crooked hem, buffer spring to the hem butt, there is the deformation space between shell fragment body and the buffer spacer. The utility model discloses stable in structure and long service life.
Description
Technical field
The utility model relates to the vibration damper technical field in shockproof system, especially the sleeve assembly of vibration damper.
Background technique
Vehicle is when rough ride, and the piston rod in vibration damper constantly does fore and aft motion in cylinder body, and the damping oil in cylinder body constantly flows back and forth, cushion impact forces, slows down degree of jolting and plays cushioning effect, increases the stationarity that vehicle travels.Telescopic shock absorber generally includes the cylindrical shell with hydraulic pressure cavity, piston rod, one end of piston rod is connected with fitting seat, the piston rod the other end stretches into sleeve and is arranged with piston assembly, piston rod stretches into the top of the one end in sleeve in its process moved back and forth vertically, can produce with sleeve bottom surface and collide, cause piston rod inserting end vertex abrasion serious, piston assembly is caused to seal uneven, cause the defect of sealing effect difference, and sleeve bottom surface is provided with bottom valve, because the shock-absorbing cushioning effect of sleeve bottom surface is poor, in the process of clashing into, bottom valve also can be damaged, reduce working life.
Model utility content
In order to overcome the deficiencies in the prior art, the utility model provides a kind of structural stability and can reduce the sleeve assembly of the vibration damper of piston rod part and sleeve bottom wearing and tearing.
To achieve these goals, the technical solution adopted in the utility model is: a kind of sleeve assembly of vibration damper, comprise sleeve and piston rod, piston rod comprises the body of rod, body of rod one end to be stretched in sleeve and corresponding with sleeve bottom, body of rod inserting end is provided with piston assembly and is fixedly connected with by setscrew nut, body of rod inserting end is extended with apical grafting pipe portion, sleeve comprises cylindrical shell, cylinder body bottom is provided with bottom valve assembly and bottom, bottom valve assembly comprises valve body, valve body offers opening, it is characterized in that: described apical grafting pipe portion is arranged with elastic washer, this elastic washer one end abuts with setscrew nut, the elastic washer the other end flushes with exterior edge face, apical grafting pipe portion, the end face that elastic washer flushes with apical grafting pipe portion is provided with outstanding cambered surface buffer structure outwardly, described valve body offers center hole, positioning screwn is equipped with in center hole, between the nut of positioning screwn and valve body, packing ring is installed, the stud end of positioning screwn is connected with setscrew nut, buffering spacer and buffering spring sheet are installed between setscrew nut and valve body, this buffering spacer and buffering spring sheet are respectively equipped with the through hole corresponding with opening, described buffering spring sheet comprises elastic sheet body, elastic sheet body edge is provided with towards the bending flanging of buffering spacer, flanging abuts buffering spring sheet, deformation space is left between elastic sheet body and buffering spacer.
In said structure, apical grafting pipe portion is contacted with sleeve bottom by elastic washer, avoid apical grafting pipe portion directly and sleeve bottom clash into, elastic washer absorbs impact force mainly through its cambered surface buffer structure generation deformation.Buffering spacer and valve body contact, buffering spring sheet contacts with setscrew nut, bending flanging by buffering spring sheet between buffering spring sheet with buffering spacer contacts, and formed between can for the generation deformation of buffering spring sheet body and open ended space, when sleeve bottom is subject to piston rod part collision, buffering spring sheet bottom this and the stressed generation deformation of buffering spacer, can reduce gouging abrasion.
As further setting of the present utility model, described elastic washer outer circumferential face is provided with annular cavity, be embedded with slotted collar in this annular cavity, elastic washer inner hole wall is provided with positioning convex point, and described apical grafting pipe portion outer wall is provided with the locating slot coordinated with positioning convex point.
In said structure, elastic washer to be coordinated with locating slot by positioning convex point and is installed on apical grafting pipe portion, and fixing by slotted collar clamping.
As further setting of the present utility model, described valve body is provided with spaced protuberance towards the end face of buffering spacer, leaves interval trough between protuberance and protuberance, is provided with rubber pad between this protuberance and buffering spacer.
In said structure, the interval trough between the protuberance of buffering spacer and protuberance further increases deformation space, and the rubber pad between protuberance and buffering spacer can reduce wearing and tearing between the two, plays locating effect simultaneously, anti-skidding anti-displacement.
As further setting of the present utility model, the flanging of described buffering spring sheet is extended with the taper of fitting with buffering spacer along limit.
In said structure, the flanging of buffering spring sheet is abutted with buffering spacer along limit by taper, both increases area of contact, plays the effect of anti-skidding anti-displacement.
Below in conjunction with accompanying drawing, the utility model is further described.
Accompanying drawing explanation
Accompanying drawing 1 is that the mounting structure of the utility model specific embodiment piston rod and piston assembly is illustrated;
Accompanying drawing 2 is the enlarged view of B in specific embodiment of the invention accompanying drawing 1;
Accompanying drawing 3 is the apical grafting pipe portion structural representation removed in specific embodiment of the invention accompanying drawing 2 after elastic washer and slotted collar;
Accompanying drawing 4 is specific embodiment of the invention sleeve bottom structural representation;
The enlarged view of C in accompanying drawing 5 specific embodiment of the invention accompanying drawing 4;
The structure sectional view of accompanying drawing 6 specific embodiment of the invention buffering spring sheet;
The enlarged view of D in accompanying drawing 7 specific embodiment of the invention accompanying drawing 5;
Sleeve 1, cylindrical shell 11, bottom 12, valve body 13, opening 131, protuberance 132, interval trough 133, rubber pad 134, positioning screwn 14, nut 141, stud end 142, setscrew nut 143, piston rod 2, the body of rod 21, apical grafting pipe portion 22, piston assembly 23, setscrew nut 24, elastic washer 6, slotted collar 61, positioning convex point 62, cambered surface buffer structure 66, packing ring 7, buffering spacer 8, through hole 81, buffering spring sheet 9, through hole 91, elastic sheet body 92, flanging 93, taper is along limit 931, deformation space 94.
Embodiment
Specific embodiment of the utility model is the sleeve assembly of vibration damper as shown in figs. 1-7, comprise sleeve 1 and piston rod 2, piston rod 2 comprises the body of rod 21, the body of rod 21 one end to be stretched in sleeve 1 and corresponding with bottom sleeve 1, the body of rod 21 inserting end is provided with piston assembly 23 and is fixedly connected with by setscrew nut 24, the body of rod 21 inserting end is extended with apical grafting pipe portion 22, sleeve 1 comprises cylindrical shell 11, bottom valve assembly and bottom 12 are installed bottom cylindrical shell 11, bottom valve assembly comprises valve body 13, valve body 13 offers opening 131, apical grafting pipe portion 22 is arranged with elastic washer 6, this elastic washer 6 one end abuts with setscrew nut 24, elastic washer 6 the other end flushes with exterior edge face, apical grafting pipe portion 22, the end face that elastic washer 6 flushes with apical grafting pipe portion 22 is provided with outstanding cambered surface buffer structure 66 outwardly, valve body 13 offers center hole, positioning screwn 14 is equipped with in center hole, between the nut 141 of positioning screwn 14 and valve body 13, packing ring 7 is installed, the stud end 142 of positioning screwn 14 is connected with setscrew nut 143, buffering spacer 8 and buffering spring sheet are installed between setscrew nut 143 and valve body 13, this buffering spacer 8 and buffering spring sheet are respectively equipped with the through hole 81 corresponding with opening 131, 91, buffering spring sheet comprises elastic sheet body 92, elastic sheet body 92 edge is provided with towards the bending flanging 93 of buffering spacer 8, flanging 93 abuts buffering spring sheet, deformation space 94 is left between elastic sheet body 92 and buffering spacer 8.
Above-mentioned apical grafting pipe portion 22 is contacted with bottom sleeve 1 by elastic washer 6, and avoid apical grafting pipe portion 22 directly and bottom sleeve 1 to clash into, elastic washer 6 deformation occurs to absorb impact force mainly through its cambered surface buffer structure 66.Buffering spacer 8 contacts with valve body 13, buffering spring sheet contacts with setscrew nut 143, bending flanging 93 by buffering spring sheet between buffering spring sheet with buffering spacer 8 contacts, and formed between and for buffering spring sheet body 92, deformation and open ended space can occur, when being subject to the collision of piston rod 2 top bottom sleeve 1, buffering spring sheet bottom this and the stressed generation deformation of buffering spacer 8, can reduce gouging abrasion.
Above-mentioned elastic washer 6 outer circumferential face is provided with annular cavity, is embedded with slotted collar 61 in this annular cavity, and elastic washer 6 inner hole wall is provided with positioning convex point 62, and apical grafting pipe portion 22 outer wall is provided with the locating slot coordinated with positioning convex point 62.Elastic washer 6 to be coordinated with locating slot by positioning convex point 62 and is installed on apical grafting pipe portion 22, and is clamped fixing by slotted collar 61.
Above-mentioned valve body 13 is provided with spaced protuberance 132 towards the end face of buffering spacer 8, leaves interval trough 133 between protuberance 132 and protuberance 132, is provided with rubber pad 134 between this protuberance 132 and buffering spacer 8.Interval trough 133 between the protuberance 132 of buffering spacer 8 and protuberance 132 further increases deformation space, and the rubber pad 134 between protuberance 132 and buffering spacer 8 can reduce wearing and tearing between the two, plays locating effect simultaneously, anti-skidding anti-displacement.
The flanging 93 of above-mentioned buffering spring sheet is extended with the taper of fitting with buffering spacer 8 along limit 931.The flanging 93 of buffering spring sheet is abutted with buffering spacer 8 along limit 931 by taper, both increases area of contact, plays the effect of anti-skidding anti-displacement.
The utility model is not limited to above-mentioned embodiment; persons skilled in the art are content disclosed in the utility model; other multiple embodiments can be adopted to implement of the present utility model; or every employing project organization of the present utility model and thinking; do simple change or change, all fall into protection domain of the present utility model.
Claims (4)
1. the sleeve assembly of a vibration damper, comprise sleeve and piston rod, piston rod comprises the body of rod, body of rod one end to be stretched in sleeve and corresponding with sleeve bottom, body of rod inserting end is provided with piston assembly and is fixedly connected with by setscrew nut, body of rod inserting end is extended with apical grafting pipe portion, sleeve comprises cylindrical shell, cylinder body bottom is provided with bottom valve assembly and bottom, bottom valve assembly comprises valve body, valve body offers opening, it is characterized in that: described apical grafting pipe portion is arranged with elastic washer, this elastic washer one end abuts with setscrew nut, the elastic washer the other end flushes with exterior edge face, apical grafting pipe portion, the end face that elastic washer flushes with apical grafting pipe portion is provided with outstanding cambered surface buffer structure outwardly, described valve body offers center hole, positioning screwn is equipped with in center hole, between the nut of positioning screwn and valve body, packing ring is installed, the stud end of positioning screwn is connected with setscrew nut, buffering spacer and buffering spring sheet are installed between setscrew nut and valve body, this buffering spacer and buffering spring sheet are respectively equipped with the through hole corresponding with opening, described buffering spring sheet comprises elastic sheet body, elastic sheet body edge is provided with towards the bending flanging of buffering spacer, flanging abuts buffering spring sheet, deformation space is left between elastic sheet body and buffering spacer.
2. the sleeve assembly of vibration damper according to claim 1, it is characterized in that: described elastic washer outer circumferential face is provided with annular cavity, slotted collar is embedded with in this annular cavity, elastic washer inner hole wall is provided with positioning convex point, and described apical grafting pipe portion outer wall is provided with the locating slot coordinated with positioning convex point.
3. the sleeve assembly of vibration damper according to claim 1, it is characterized in that: described valve body is provided with spaced protuberance towards the end face of buffering spacer, leave interval trough between protuberance and protuberance, between this protuberance and buffering spacer, be provided with rubber pad.
4. the sleeve assembly of vibration damper according to claim 1, is characterized in that: the flanging of described buffering spring sheet is extended with the taper of fitting with buffering spacer along limit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539717.3U CN204852139U (en) | 2015-07-23 | 2015-07-23 | Sleeve assembly of bumper shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520539717.3U CN204852139U (en) | 2015-07-23 | 2015-07-23 | Sleeve assembly of bumper shock absorber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204852139U true CN204852139U (en) | 2015-12-09 |
Family
ID=54742689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520539717.3U Expired - Fee Related CN204852139U (en) | 2015-07-23 | 2015-07-23 | Sleeve assembly of bumper shock absorber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204852139U (en) |
-
2015
- 2015-07-23 CN CN201520539717.3U patent/CN204852139U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 Termination date: 20210723 |