CN109654153A - A kind of high speed motor car oil-pressure damper piston rod locking device - Google Patents
A kind of high speed motor car oil-pressure damper piston rod locking device Download PDFInfo
- Publication number
- CN109654153A CN109654153A CN201811638138.9A CN201811638138A CN109654153A CN 109654153 A CN109654153 A CN 109654153A CN 201811638138 A CN201811638138 A CN 201811638138A CN 109654153 A CN109654153 A CN 109654153A
- Authority
- CN
- China
- Prior art keywords
- piston rod
- screw
- plane
- thread hole
- screw thread
- 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.)
- Pending
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 abstract description 3
- 238000010168 coupling process Methods 0.000 abstract description 3
- 238000005859 coupling reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3228—Constructional features of connections between pistons and piston rods
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/284—Locking by means of elastic deformation
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention relates to a kind of high speed motor car oil-pressure damper piston rod locking devices, comprising: piston rod and extrusion screw, wherein setting has the inclined-plane screw thread hole portion of certain angle on the piston rod, and in the bottom of the inclined-plane screw thread hole portion, setting is fluted；The extrusion screw be equipped with inclined-plane threaded portion and and cylindrical portion so that the extrusion screw causes the dilatancy of the piston rod during screw-in.The present invention improves production efficiency, it is ensured that the screw-threaded coupling of tailpiece of the piston rod is reliable.
Description
Technical field
The invention belongs to high speed motor car technical fields, and in particular to a kind of high speed motor car is locking with oil-pressure damper piston rod
Device.
Background technique
There are two types of current anti-loose structures, first is that being screwed simultaneously using piston assembly nose threads and piston rod nose threads
Thread locking glue is applied on screw thread pair and carries out locking mode, generallys use happy safe 243 anaerobic type thread locking glues, glue curing
Condition strict requirements compared with temperature, thread pitch, surface cleanness, time have, so this gluing process is put into
Special process is managed, locking reliable between screw thread to guarantee to ensure glue curing.
Second is that applying the locking mode of pretightning force using nut in the end of thread, anti-loosing effect is reliable, therebetween without using special
Different process management.But such mode is longer compared to rod end length used by first way, nut can occupy certain
Length is unfavorable for integrally-built layout for oil-pressure damper design.
Therefore, the problem of one kind can be realized as this field urgent need to resolve how is designed.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of high speed motor car oil-pressure damper piston rod locking device,
Special process pipe that is reliable locking, while avoiding using gluing is carried out to screw thread in tailpiece of the piston rod in a manner of not increasing base length
Reason.
To solve the above problems, the technical solution adopted by the present invention are as follows:
A kind of high speed motor car oil-pressure damper piston rod locking device, comprising: piston rod and extrusion screw, wherein
Setting has the inclined-plane screw thread hole portion of certain angle on the piston rod, is provided in the bottom of the inclined-plane screw thread hole portion
Groove；
The extrusion screw be equipped with inclined-plane threaded portion and and cylindrical portion so that the extrusion screw is made during screw-in
At the dilatancy of the piston rod.
Further, the angle of the inclined-plane screw thread hole portion is 15 °.
Further, it is provided with interval trough in the inclined-plane screw thread hole portion, provides the reserved space of deformation for the piston rod.
The beneficial effects of the present invention are:
Improve production efficiency, it is ensured that the screw-threaded coupling of tailpiece of the piston rod is reliable.
Detailed description of the invention
Fig. 1 is overall structure figure of the invention.
Fig. 2 is piston rod construction figure of the invention.
Wherein, 1, piston rod 2, extrusion screw 3, threaded portion 4, contact surface 5, piston assembly 6, slot.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, combined with specific embodiments below to this
Invention is described in further detail.It note that the embodiments described below is exemplary, for explaining only the invention, and
It is not considered as limiting the invention.Particular technique or condition are not specified in embodiment, according to the literature in the art institute
The technology or conditions of description are carried out according to product description.Reagents or instruments used without specified manufacturer, being can
With conventional products that are commercially available.
According to an aspect of the present invention, the present invention provides a kind of high speed motor car locking dresses of oil-pressure damper piston rod
It sets, Fig. 1 is overall structure figure of the invention, as shown in Figure 1, comprising: include: piston rod and extrusion screw, wherein the piston
Setting has the inclined-plane screw thread hole portion of certain angle on bar, and in the bottom of the inclined-plane screw thread hole portion, setting is fluted；It is described to squeeze
Pressure screw fit be provided with inclined-plane threaded portion and and cylindrical portion so that the extrusion screw causes the piston during screw-in
The dilatancy of bar.
According to a particular embodiment of the invention, the angle of the inclined-plane screw thread hole portion is 15 °.
According to a particular embodiment of the invention, Fig. 2 is piston rod construction figure of the invention, as shown in Fig. 2, the inclined-plane spiral shell
Pit is provided with interval trough in portion, provides the reserved space of deformation for the piston rod.
Embodiment 1
Piston rod end processes the threaded hole on 15 ° of inclined-planes of band, while 90 ° of rod end symmetrically mill out deep 3.5mm, width 1.5mm
Slot, after piston assembly fits into piston rod, by tightening extrusion screw, so that tailpiece of the piston rod is under the pressure of extrusion screw
Rod end threaded expander plays the anti-loose effect for changing diameter.This method does not need to carry out gluing locking, avoids complicated change
React and to required state modulator solidified, due to not will increase work using the mode for increasing inner hole in rod end
The length of stopper rod, be effectively controlled oil-pressure damper do not increase base it is long in the case where, solve the problems, such as locking thread.
After piston assembly is packed into piston rod installation end, piston assembly is tentatively tightened with special piston spanner, so that piston
End face and tailpiece of the piston rod face contact, screw-down torque 80N.m, then extrusion screw is screwed into from boom end, screw-down torque 120
N.m, 15 ° of ramp effects when at this time at tailpiece of the piston rod fluting because tightening screw-driving, so that swollen deformation of rising occurs in slotted vane, to make
The locking effect of physics is played at the variation of the diameter of thread, this structure is simple and effective.
In summary the present invention there is no etc. it is to be solidified, control parameter etc. requirement, simplify production process, improve production
Efficiency.The efficient of screw-threaded coupling is remained, but avoids the increase of the spiro rod length occupied by nut check, so as to shorten oil
The base of pressure damper is long, and new construction is allow to be applicable in more vehicle installation spaces
In the description of the present invention, it is to be understood that, term " first ", " second " are used for description purposes only, and cannot understand
For indication or suggestion relative importance or implicitly indicate the quantity of indicated technical characteristic.Define as a result, " first ",
The feature of " second " can explicitly or implicitly include one or more of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant, at the same time, for those skilled in the art, the think of according to the application
Think, there will be changes in the specific implementation manner and application range.
Claims (3)
1. a kind of high speed motor car oil-pressure damper piston rod locking device characterized by comprising piston rod and extruding spiral shell
Nail, wherein
Setting has the inclined-plane screw thread hole portion of certain angle on the piston rod, is provided in the bottom of the inclined-plane screw thread hole portion
Groove；
The extrusion screw be equipped with inclined-plane threaded portion and and cylindrical portion so that the extrusion screw is made during screw-in
At the dilatancy of the piston rod.
2. the apparatus according to claim 1, which is characterized in that the angle of the inclined-plane screw thread hole portion is 15 °.
3. the apparatus according to claim 1, which is characterized in that interval trough is provided in the inclined-plane screw thread hole portion, for institute
It states piston rod and the reserved space of deformation is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638138.9A CN109654153A (en) | 2018-12-29 | 2018-12-29 | A kind of high speed motor car oil-pressure damper piston rod locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811638138.9A CN109654153A (en) | 2018-12-29 | 2018-12-29 | A kind of high speed motor car oil-pressure damper piston rod locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109654153A true CN109654153A (en) | 2019-04-19 |
Family
ID=66116934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811638138.9A Pending CN109654153A (en) | 2018-12-29 | 2018-12-29 | A kind of high speed motor car oil-pressure damper piston rod locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109654153A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357246A (en) * | 2021-06-22 | 2021-09-07 | 青海左丌右电气技术服务有限公司 | Bolt |
| US20220181923A1 (en) * | 2019-05-09 | 2022-06-09 | Sumitomo Electric Industries, Ltd. | Interconnected assembly, and rotating electrical machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09273629A (en) * | 1996-04-03 | 1997-10-21 | Ishikawajima Harima Heavy Ind Co Ltd | Cylinder device with packing adjuster |
| CN1272167A (en) * | 1998-05-29 | 2000-11-01 | 日立建机株式会社 | Oil hydraulic cylinder |
| US6223649B1 (en) * | 1998-10-23 | 2001-05-01 | Mannesmann Sachs Ag | Piston-cylinder unit |
| JP2004068853A (en) * | 2002-08-02 | 2004-03-04 | Honda Motor Co Ltd | Locking nut and its manufacturing method |
| JP2007147055A (en) * | 2005-11-28 | 2007-06-14 | Nagahama Seisan Gijutsu Kenkyusho:Kk | Looseness preventing washer |
| CN204041829U (en) * | 2013-06-07 | 2014-12-24 | 卡欧特欧自动化工程有限公司 | Vibration damper |
| WO2016039307A1 (en) * | 2014-09-08 | 2016-03-17 | 株式会社ＮｅｊｉＬａｗ | Linear motion rod, linking member, piston, and piston-fastening structure |
| CN209800600U (en) * | 2018-12-29 | 2019-12-17 | 深圳市中车业成实业有限公司 | oil pressure shock absorber piston rod anti-loosening device for high-speed motor car |
-
2018
- 2018-12-29 CN CN201811638138.9A patent/CN109654153A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09273629A (en) * | 1996-04-03 | 1997-10-21 | Ishikawajima Harima Heavy Ind Co Ltd | Cylinder device with packing adjuster |
| CN1272167A (en) * | 1998-05-29 | 2000-11-01 | 日立建机株式会社 | Oil hydraulic cylinder |
| US6223649B1 (en) * | 1998-10-23 | 2001-05-01 | Mannesmann Sachs Ag | Piston-cylinder unit |
| JP2004068853A (en) * | 2002-08-02 | 2004-03-04 | Honda Motor Co Ltd | Locking nut and its manufacturing method |
| JP2007147055A (en) * | 2005-11-28 | 2007-06-14 | Nagahama Seisan Gijutsu Kenkyusho:Kk | Looseness preventing washer |
| CN204041829U (en) * | 2013-06-07 | 2014-12-24 | 卡欧特欧自动化工程有限公司 | Vibration damper |
| WO2016039307A1 (en) * | 2014-09-08 | 2016-03-17 | 株式会社ＮｅｊｉＬａｗ | Linear motion rod, linking member, piston, and piston-fastening structure |
| CN209800600U (en) * | 2018-12-29 | 2019-12-17 | 深圳市中车业成实业有限公司 | oil pressure shock absorber piston rod anti-loosening device for high-speed motor car |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220181923A1 (en) * | 2019-05-09 | 2022-06-09 | Sumitomo Electric Industries, Ltd. | Interconnected assembly, and rotating electrical machine |
| CN113357246A (en) * | 2021-06-22 | 2021-09-07 | 青海左丌右电气技术服务有限公司 | Bolt |
| CN113357246B (en) * | 2021-06-22 | 2022-11-11 | 青海左丌右电气技术服务有限公司 | Bolt |
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