CN203743290U - Vibrator piston rod assembly, vibrator with vibrator piston rod assembly and automobile with vibrator piston rod assembly - Google Patents
Vibrator piston rod assembly, vibrator with vibrator piston rod assembly and automobile with vibrator piston rod assembly Download PDFInfo
- Publication number
- CN203743290U CN203743290U CN201320870813.7U CN201320870813U CN203743290U CN 203743290 U CN203743290 U CN 203743290U CN 201320870813 U CN201320870813 U CN 201320870813U CN 203743290 U CN203743290 U CN 203743290U
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- Prior art keywords
- piston rod
- rod assembly
- surface portion
- vibrator
- vibration damper
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- Expired - Lifetime
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- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000005336 cracking Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a vibrator piston rod assembly, a vibrator with the vibrator piston rod assembly and an automobile with the vibrator piston rod assembly. The vibrator piston rod assembly comprises a piston rod and a pressing plate, wherein an external thread portion is arranged on the piston rod, at least one first plane portion is formed on the outer surface of the external threaded portion, a through hole portion penetrating through the pressing plate is formed in the pressing plate, the external threaded portion penetrates through the through hole portion, and a second plane portion corresponding to the first plane portion is formed on the inner wall of the through hole portion. According to the vibrator piston rod assembly and by means of the first plane portion and the second plane portion, even if a fixing hole, which is formed in the end of the piston rod, like a flat square structure or an inner hexagonal counter hole cannot be used normally, the pressing plate can be fixed to lock or unlock a nut. Thus, the utilization rate of the piston rod assembly is improved, the finished vibrator is prevented from being rejected, and the cost is saved. In addition, the piston rod assembly is simple in structure and convenient to machine.
Description
Technical field
The utility model relates to vehicular field, especially relates to a kind of piston rod assembly for vibration damper and has its vibration damper, vehicle.
Background technique
In correlation technique, the assembly nut check of vibration damper or to unclamp be to adopt in the mode of piston rod end " the flat side of milling " or " hexagonal in counterbore ", particularly, first with open-end wrench or inner hexagon spanner, piston rod is fixed, then with torque spanner by nut check or unclamp, but above-mentioned piston rod end design, exists flat side to skid and the interior hexagonal cracking of counterbore equivalent risk.
Model utility content
The utility model is intended at least solve one of technical problem existing in prior art.For this reason, an object of the present utility model is to propose a kind of piston rod assembly for vibration damper, described piston rod assembly flat side skid and counterbore in hexagonal cracking in the situation that can or unclamp nut check.
Another object of the present utility model is to propose a kind of vibration damper with above-mentioned piston rod assembly.
Another object of the present utility model is to propose a kind of vehicle with above-mentioned vibration damper.
According to the piston rod assembly for vibration damper of the utility model first aspect, comprising: piston rod, on described piston rod, there is external thread part, the outer surface of wherein said external thread part is configured to have at least one first planar surface portion; And pressing plate, on described pressing plate, being formed with the through-hole section running through, described external thread part, through described through-hole section, has second planar surface portion corresponding with described the first planar surface portion on the inwall of wherein said through-hole section.
According to the piston rod assembly for vibration damper of the present utility model, by the first planar surface portion and the second planar surface portion are set, even if for example flat square structure of the fixed hole of piston rod end or interior hexagonal counterbore can not normally use, also can be by stationary platen by nut check or unclamp, thereby improve the utilization ratio of piston rod assembly, also be unlikely to scrap finished product vibration damper, saved cost.In addition, this piston rod assembly simple in structure, and easy to process.
Alternatively, the outer surface of described external thread part comprises described first planar surface portion and a cambered surface, and the two ends of described cambered surface are connected with the two ends of described the first planar surface portion respectively, in described cambered surface, are formed with outside thread.
Further, the shape of cross section of described external thread part is D shape.
Alternatively, the width of each described the first planar surface portion is more than or equal to 5mm.
Further, the outward edge of described pressing plate is configured to have at least one the 3rd planar surface portion.
Alternatively, the length of each described the 3rd planar surface portion is more than or equal to 10mm.
Further, the shape of cross section of described pressing plate is that limit number is the regular polygon of even number.
Alternatively, the transverse dimension of described through-hole section is greater than the transverse dimension of described external thread part, and the matching gap of described through-hole section and described external thread part is between 0.1mm～0.2mm.
According to the vibration damper of the utility model second aspect, comprise the piston rod assembly for vibration damper according to the above-mentioned first aspect of the utility model.
According to the vehicle of the utility model third aspect, comprise according to the vibration damper of the above-mentioned second aspect of the utility model.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination is understood becoming embodiment's description obviously and easily, wherein:
Fig. 1 be according to the utility model embodiment for the piston rod assembly of vibration damper and the schematic diagram of nut;
Fig. 2 is the schematic diagram of the piston rod of the piston rod assembly shown in Fig. 1;
Fig. 3 is the piston rod left view shown in Fig. 2;
Fig. 4 is the schematic diagram of the pressing plate of the piston rod assembly shown in Fig. 1;
Fig. 5 is the sectional drawing of the pressing plate shown in Fig. 4;
Fig. 6 be according to another embodiment of the utility model for the piston rod assembly of vibration damper and the schematic diagram of nut;
Fig. 7 is the schematic diagram of the piston rod of the piston rod assembly shown in Fig. 6;
Fig. 8 is the piston rod left view shown in Fig. 7;
Fig. 9 is the schematic diagram of the pressing plate of the piston rod assembly shown in Fig. 6;
Figure 10 is the sectional drawing of the pressing plate shown in Fig. 9;
Reference character:
1: piston rod; 11: external thread part;
111: the first planar surface portion; 112: flat square structure; 113: interior hexagonal counterbore;
2: pressing plate; 21: through-hole section; 211: the second planar surface portion; 22: the three planar surface portion;
3: nut.
Embodiment
Describe embodiment of the present utility model below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment who is described with reference to the drawings, only for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " laterally ", " length ", " width ", " on ", D score, " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " axially ", " radially ", orientation or the position relationship of instructions such as " circumferentially " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand the concrete meaning of above-mentioned term in the utility model.
Describe according to the utility model first aspect embodiment's the piston rod assembly for vibration damper below with reference to Fig. 1-Figure 10.
As shown in Figure 1 and Figure 5, according to the utility model first aspect embodiment's the piston rod assembly for vibration damper, comprise piston rod 1 and pressing plate 2.
On piston rod 1, have external thread part 11, wherein the outer surface of external thread part 11 is configured to have at least one first planar surface portion 111.For example, at Fig. 1-Fig. 3, in the example of Fig. 5-Fig. 7, external thread part 11 is formed on the periphery wall of piston rod 1 left end, external thread part 11 can extend along the axial screw of piston rod 1, thereby nut 3 can screw on the external thread part 11 of piston rod 1, the first planar surface portion 111 is formed on extending axially on external thread part 11 and along external thread part 11, the first planar surface portion 111 is formed as plane, further, on the left side of piston rod 1, be formed with recessed flat square structure 112(to the right as shown in Figures 2 and 3) or interior hexagonal counterbore 113(is as shown in Figure 6 and Figure 7), thereby can piston rod 1 be fixed with open-end wrench or inner hexagon spanner, then with torque spanner, nut 3 is locked on piston rod 1, or from piston rod 1, nut 3 is pulled down.Alternatively, the first planar surface portion 111 can be processed and be obtained by milling machine.
On pressing plate 2, be formed with the through-hole section running through, external thread part 11, through through-hole section, wherein has second planar surface portion 211 corresponding with the first planar surface portion 111 on the inwall of through-hole section.For example, at Fig. 4, Fig. 5, in the example of Fig. 9 and Figure 10, through-hole section axially runs through pressing plate 2 along pressing plate 2, and through-hole section is formed on the central authorities of pressing plate 2, alternatively, through-hole section is roughly formed as the shape suitable with the shape of the external thread part 11 of piston rod 1, thereby pressing plate 2 can be set on piston rod 1, the second planar surface portion 211 is formed on the perisporium of through-hole section and is corresponding with the first planar surface portion 111, the second planar surface portion 211 is formed as plane, like this can be by fixing pressing plate 2, due to the restriction effect of the second planar surface portion 211 to the first planar surface portion 111, piston rod 1 can not rotate with respect to pressing plate 2, thereby nut 3 can be tightened on the external thread part 11 of piston rod 1, or nut 3 is pulled down from piston rod 1.
In addition, have for example flat square structure 112 of fixed hole or interior hexagonal counterbore 113 in the end of piston rod 1, even if the flat square structure 112 of piston rod 1 skids or interior hexagonal counterbore 113 ftractures, also can be by fixing pressing plate 2, thereby nut 3 is locked or unclamped, and then improved the utilization ratio of piston rod 1.It will be appreciated that, the quantity of the first planar surface portion 111 and the second planar surface portion 211 can be according to actual requirement setting, to meet better actual requirement.
According to the utility model embodiment's the piston rod assembly for vibration damper, by the first planar surface portion 111 and the second planar surface portion 211 are set, even if for example flat square structure 112 of the fixed hole of piston rod 1 end or interior hexagonal counterbore 113 can not normally use, also can nut 3 be locked or be unclamped by stationary platen 2, thereby improve the utilization ratio of piston rod assembly, also be unlikely to scrap finished product vibration damper, saved cost.In addition, this piston rod assembly simple in structure, and easy to process.
In an embodiment of the present utility model, the outer surface of external thread part 11 comprises first planar surface portion 111 and a cambered surface, and the two ends of cambered surface are connected with the two ends of the first planar surface portion 111 respectively, are formed with outside thread in cambered surface.With reference to Fig. 3 and Fig. 8, the outer surface of external thread part 11 is made up of the first planar surface portion 111 and cambered surface, the first planar surface portion 111 is formed as the plane parallel with the central axis of piston rod 1, arc surfaced becomes the arc surface coaxial with the central axis of piston rod 1, now the angle between arc surface two ends is greater than 180 °, outside thread is formed in cambered surface, thereby nut 3 can screw on the external thread part 11 of piston rod 1, has ensured the reliability that nut 3 connects.Alternatively, the shape of cross section of external thread part 11 is roughly D shape.
Alternatively, the width of each the first planar surface portion 111 is more than or equal to 5mm.That is to say, as shown in Fig. 3 and Fig. 8, on the cross section of external thread part 11, the first planar surface portion 111 is a straight flange, and the length of this straight flange is more than or equal to 5mm, thereby can effectively ensure coordinating of nut 3 and external thread part 11, and has ensured the intensity of piston rod 1.It will be appreciated that, the concrete numerical value of the width of the first planar surface portion 111 can design according to the concrete structure of actual piston rod 1.
In an embodiment of the present utility model, the outward edge of pressing plate 2 is configured to have at least one the 3rd planar surface portion 22.With reference to Fig. 4 and Fig. 9, the outward edge of pressing plate 2 has six the 3rd planar surface portion 22 that are connected successively, thereby can adopt open-end wrench to be fixed pressing plate 2, and easy-to-operat person unclamps or locking nut 3.
Alternatively, the length of each the 3rd planar surface portion 22 is more than or equal to 10mm.That is to say, as shown in Fig. 4 and Fig. 9, on the cross section of pressing plate 2, the 3rd planar surface portion 22 is one article of straight flange, the length of this straight flange is more than or equal to 10mm, thereby can effectively ensure fixing to pressing plate 2 of open-end wrench, avoid pressing plate 2 occur wearing and tearing cause cannot effective location etc. phenomenon.It will be appreciated that, the concrete numerical value of the width of the 3rd planar surface portion 22 can design according to the concrete structure of actual piston rod 1.
Alternatively, the shape of cross section of pressing plate 2 is that limit number is the regular polygon of even number.As shown in Fig. 4 and Fig. 9, pressing plate 2 be shaped as regular hexagon.Certainly, the utility model is not limited to this, and in other examples of the present utility model, the shape of pressing plate 2 can also be (scheming not shown) such as square or octagons.
Alternatively, the transverse dimension of through-hole section is greater than the transverse dimension of external thread part 11, and the matching gap of through-hole section and external thread part 11 is between 0.1mm～0.2mm.In other words, between pressing plate 2 and piston rod 1, be Spielpassung, and matching gap between pressing plate 2 and piston rod 1 is within the scope of 0.1mm～0.2mm.
According to the utility model second aspect embodiment's vibration damper (scheming not shown), comprise the piston rod assembly for vibration damper according to the above-mentioned first aspect embodiment of the utility model.
According to the utility model third aspect embodiment's vehicle (scheming not shown), comprise according to the above-mentioned second aspect embodiment's of the utility model vibration damper.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be with suitable mode combination in any one or more embodiments or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present utility model and aim, can carry out multiple variation, amendment, replacement and modification to these embodiments, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. for a piston rod assembly for vibration damper, it is characterized in that, comprising:
Piston rod, has external thread part on described piston rod, and the outer surface of wherein said external thread part is configured to have at least one first planar surface portion; With
Pressing plate, is formed with the through-hole section running through on described pressing plate, described external thread part, through described through-hole section, has second planar surface portion corresponding with described the first planar surface portion on the inwall of wherein said through-hole section.
2. the piston rod assembly for vibration damper according to claim 1, it is characterized in that, the outer surface of described external thread part comprises described first planar surface portion and a cambered surface, and the two ends of described cambered surface are connected with the two ends of described the first planar surface portion respectively, in described cambered surface, are formed with outside thread.
3. the piston rod assembly for vibration damper according to claim 2, is characterized in that, the shape of cross section of described external thread part is D shape.
4. according to the piston rod assembly for vibration damper described in any one in claim 1-3, it is characterized in that, the width of each described the first planar surface portion is more than or equal to 5mm.
5. the piston rod assembly for vibration damper according to claim 1, is characterized in that, the outward edge of described pressing plate is configured to have at least one the 3rd planar surface portion.
6. the piston rod assembly for vibration damper according to claim 5, is characterized in that, the length of each described the 3rd planar surface portion is more than or equal to 10mm.
7. the piston rod assembly for vibration damper according to claim 5, is characterized in that, the shape of cross section of described pressing plate is that limit number is the regular polygon of even number.
8. the piston rod assembly for vibration damper according to claim 1, is characterized in that, the transverse dimension of described through-hole section is greater than the transverse dimension of described external thread part, and the matching gap of described through-hole section and described external thread part is between 0.1mm～0.2mm.
9. a vibration damper, is characterized in that, comprises according to the piston rod assembly for vibration damper described in any one in claim 1-8.
10. a vehicle, is characterized in that, comprises vibration damper according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870813.7U CN203743290U (en) | 2013-12-26 | 2013-12-26 | Vibrator piston rod assembly, vibrator with vibrator piston rod assembly and automobile with vibrator piston rod assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320870813.7U CN203743290U (en) | 2013-12-26 | 2013-12-26 | Vibrator piston rod assembly, vibrator with vibrator piston rod assembly and automobile with vibrator piston rod assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203743290U true CN203743290U (en) | 2014-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320870813.7U Expired - Lifetime CN203743290U (en) | 2013-12-26 | 2013-12-26 | Vibrator piston rod assembly, vibrator with vibrator piston rod assembly and automobile with vibrator piston rod assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203743290U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483585A (en) * | 2019-09-11 | 2021-03-12 | 郑州宇通客车股份有限公司 | Variable damping shock absorber and suspension structure and variable damping shock absorber installation assembly |
-
2013
- 2013-12-26 CN CN201320870813.7U patent/CN203743290U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483585A (en) * | 2019-09-11 | 2021-03-12 | 郑州宇通客车股份有限公司 | Variable damping shock absorber and suspension structure and variable damping shock absorber installation assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |