CN203962827U - Shock absorber piston - Google Patents
Shock absorber piston Download PDFInfo
- Publication number
- CN203962827U CN203962827U CN201420336443.3U CN201420336443U CN203962827U CN 203962827 U CN203962827 U CN 203962827U CN 201420336443 U CN201420336443 U CN 201420336443U CN 203962827 U CN203962827 U CN 203962827U
- Authority
- CN
- China
- Prior art keywords
- piston rod
- shock absorber
- piston
- central
- bore
- 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
Links
Abstract
The utility model discloses a kind of influence factor to relatively-stationary axial precision between shock absorber piston and piston rod few, connect the high shock absorber piston of levels of precision, it comprises body (1), body (1) is provided with the central through bore that the threaded one end for the piston rod with vibration damper is connected, this central through bore comprises two-part from left to right, first portion (2) is pilot hole, second portion (3) is tapped hole, it between first portion (2) and second portion (3), is circular cone (4) transition, first portion (2) is for the guide rod part interference fit of the one end with piston rod, second portion (3) is threaded for the screw portion of the one end with piston rod, circular cone (4) for guide rod part and screw portion between the conical surface that arranges partly locate and coordinate.
Description
Technical field
The utility model relates to vibration damper technical field, is specifically a kind of shock absorber piston.
Background technique
Existing shock absorber piston is central through bore for the structure being connected with piston rod, and piston rod one end is provided with ring-shaped platform and screw thread, during connection, piston rod one end through central through bore and in described one end, screw on nut with locking, now, ring-shaped platform offsets with the valve block assembly that is installed on shock absorber piston one end, nut one end and the shock absorber piston the other end offset, thereby realize between shock absorber piston and piston rod relative fixing, concrete structure as notice of authorization number be CN 201373060Y, application publication number is shown in the accompanying drawing of the files such as CN 102072273 A, although said structure is compact, but between shock absorber piston and piston rod, the influence factor of relatively-stationary axial precision is more, the valve line for matching with valve block assembly such as described shock absorber piston one end, valve block assembly itself, described ring-shaped platform, nut etc., this is to valve line, valve block assembly itself, ring-shaped platform, the manufacturing of the parts such as nut has proposed very high requirement, if manufacturing does not meet required precision, vibration damper performance, reliability and working life will be a greater impact.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of influence factor to relatively-stationary axial precision between shock absorber piston and piston rod few, the high shock absorber piston of connection levels of precision.
The technical solution of the utility model is, the utility model shock absorber piston, it comprises body, body is provided with the central through bore that the threaded one end for the piston rod with vibration damper is connected, this central through bore comprises two-part from left to right, first portion is pilot hole, second portion is tapped hole, it between first portion and second portion, is circular cone transition, first portion is for the guide rod part interference fit of the one end with piston rod, second portion is threaded for the screw portion of the one end with piston rod, circular cone is for partly locating and coordinate with the conical surface of guide rod partly and between screw portion.
Adopt after said structure, the utility model compared with prior art, have the following advantages: because body is provided with the central through bore that the threaded one end for the piston rod with vibration damper is connected, this central through bore comprises two-part from left to right, first portion is pilot hole, second portion is tapped hole, it between first portion and second portion, is circular cone transition, first portion is for the guide rod part interference fit of the one end with piston rod, second portion is threaded for the screw portion of the one end with piston rod, circular cone for guide rod part and screw portion between the conical surface that arranges partly locate and coordinate, like this, described central through bore is easy to processing, and machining accuracy is easier to control, without worrying valve line of the prior art, valve block assembly itself, the parts such as nut are on connecting the impact of precision, so the influence factor to relatively-stationary axial precision between shock absorber piston and piston rod is few.
As improvement, the end face of the other end of the described body that the one end of inserting for piston rod with described body is relative is for can be by the elasticity installing ring of radial contraction for what black box was installed, between installing ring and madial wall, form one for placing the ring-shaped platform of black box, described body adopts elastic material to meet the elasticity requirement of described elasticity installing ring, described elastic material is resista, the span of the weight percentage of copper is closed interval [1.5%, 3.9%], like this, as long as riveting once, just can make installing ring radial contraction, thereby black box is fixed on ring-shaped platform, not only simple in structure, and convenient installation.
Accompanying drawing explanation
Fig. 1 is the sectional view of the utility model shock absorber piston.
Fig. 2 is the left view of the utility model shock absorber piston.
Shown in figure, 1, body, 2, first portion, 3, second portion, 4, circular cone, 5, installing ring, 6, ring-shaped platform.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
The utility model shock absorber piston, it comprises body 1, body 1 is provided with the central through bore that the threaded one end for the piston rod with vibration damper is connected, this central through bore comprises two-part from left to right, first portion 2 is pilot hole, second portion 3 is tapped hole, between first portion 2 and second portion 3, be circular cone 4 transition, first portion 2 is for the guide rod part interference fit of the one end with piston rod, second portion 3 is threaded for the screw portion of the one end with piston rod, circular cone 4 for guide rod part and screw portion between the conical surface that arranges partly locate and coordinate.
The end face of the other end of the described body 1 that the one end of inserting for piston rod with described body 1 is relative is for can be by the elasticity installing ring 5 of radial contraction for what black box was installed, between installing ring 5 and madial wall, form one for placing the ring-shaped platform 6 of black box, described body 1 adopts elastic material to meet the elasticity requirement of described elasticity installing ring 5, described elastic material is resista, the span of the weight percentage of copper is closed interval [1.5%, 3.9%].
In described resista, preferably carbon is eliminated, but, the span that also can allow the weight percentage of carbon is closed interval [0%, 0.3%].
Above-mentioned directivity is from left to right described based in accompanying drawing shown in direction.
Claims (2)
1. a shock absorber piston, it comprises body (1), it is characterized in that, body (1) is provided with the central through bore that the threaded one end for the piston rod with vibration damper is connected, this central through bore comprises two-part from left to right, first portion (2) is pilot hole, second portion (3) is tapped hole, it between first portion (2) and second portion (3), is circular cone (4) transition, first portion (2) is for the guide rod part interference fit of the one end with piston rod, second portion (3) is threaded for the screw portion of the one end with piston rod, circular cone (4) for guide rod part and screw portion between the conical surface that arranges partly locate and coordinate.
2. shock absorber piston according to claim 1, it is characterized in that, the end face of the other end of the described body (1) that the one end of inserting for piston rod with described body (1) is relative is for can be by the elasticity installing ring (5) of radial contraction for what black box was installed, between installing ring (5) and madial wall, form one for placing the ring-shaped platform (6) of black box, described body (1) adopts elastic material to meet the elasticity requirement of described elasticity installing ring (5), and described elastic material is resista.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336443.3U CN203962827U (en) | 2014-06-23 | 2014-06-23 | Shock absorber piston |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420336443.3U CN203962827U (en) | 2014-06-23 | 2014-06-23 | Shock absorber piston |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203962827U true CN203962827U (en) | 2014-11-26 |
Family
ID=51923412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420336443.3U Expired - Fee Related CN203962827U (en) | 2014-06-23 | 2014-06-23 | Shock absorber piston |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203962827U (en) |
-
2014
- 2014-06-23 CN CN201420336443.3U patent/CN203962827U/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: 20141126 Termination date: 20160623 |