CN203641378U - Hydraulic damping shock absorber - Google Patents

Hydraulic damping shock absorber Download PDF

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Publication number
CN203641378U
CN203641378U CN201420026378.4U CN201420026378U CN203641378U CN 203641378 U CN203641378 U CN 203641378U CN 201420026378 U CN201420026378 U CN 201420026378U CN 203641378 U CN203641378 U CN 203641378U
Authority
CN
China
Prior art keywords
inner cylinder
shock absorber
piston rod
outer cylinder
damping shock
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
Application number
CN201420026378.4U
Other languages
Chinese (zh)
Inventor
陈万里
范海峰
张良成
陈万成
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Ya Zhixing Automobile Component Co Ltd
Original Assignee
Zhejiang Ya Zhixing Automobile Component Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Ya Zhixing Automobile Component Co Ltd filed Critical Zhejiang Ya Zhixing Automobile Component Co Ltd
Priority to CN201420026378.4U priority Critical patent/CN203641378U/en
Application granted granted Critical
Publication of CN203641378U publication Critical patent/CN203641378U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a hydraulic damping shock absorber comprising an outer cylinder, an inner cylinder and a piston rod arranged in the inner cylinder. The bottom of the piston rod is fixed to a piston valve component, the bottom of the inner cylinder is fixed to a bottom valve component, an oil seal guiding component is arranged between the top of the outer cylinder and the top of the inner cylinder, a dustproof component sleeves the outer end of the top of the outer cylinder, a return buffering device is further arranged in the inner cylinder and comprises a return spring and a seal ring seat which sleeve the piston rod, and two ends of the return spring are respectively in abut connection with the oil seal guiding component and the seal ring seat. The hydraulic damping shock absorber has the advantages that impact on the oil seal guiding component by oil can be buffered well, and fine shock absorbing effect can be maintained, and the hydraulic damping shock absorber is adaptive to mounting on vehicles, such as sport cars and off-road vehicles, with large shocks.

Description

Hydraulic type damping shock absorber
Technical field
The utility model relates to automobile absorber field, is specifically related to a kind of hydraulic type damping shock absorber.
Background technique
Make it more comfortable in order to improve the stationarity of automobile running, vibration damper can be installed in automotive suspension conventionally, the vibration damper using on Vehicles Collected from Market is hydraulic damper mostly, its working principle is in the time being subject to vibrations to occur relative movement between vehicle frame and vehicle bridge, piston in vibration damper is up and down, fluid in vibration damper chamber just flows in another chamber from different spaces repeatedly in a chamber, now, the intermolecular interior friction of friction between hole wall and fluid and fluid forms damping force to vibrations, the heat energy that the Conversion of Energy that makes thump is fluid, having vibration damper to absorb to be transformed in air goes again.
Current hydraulic damper generally includes outer cylinder, inner cylinder tube, piston rod, piston valve assembly, bottom valve assembly, oil sealing guidance set and dust preventing component, the vibration damper of this structure has certain damping effect, can meet the smooth-ride of general car, but, in the time that vibrations are excessive, the speed that connecting rod stretches out is faster, fluid in vibration damper flows faster thereupon, cause oil sealing guidance set to produce more large impact, long-term use has oil sealing guidance set easily to damage, thereby make vibration damper damping effect variation, even there is damping inefficacy, therefore, the vibration damper of this structure is not suitable for being arranged on the large cars of vibrations such as motility car and go-anywhere vehicle and fastens.
Model utility content
The technical problems to be solved in the utility model is to provide a kind of hydraulic type damping shock absorber that is applicable to being installed on motility car, solve existing vibration damper in the time that thump is excessive, fluid in vibration damper can produce more large impact to oil sealing guidance set, oil sealing guidance set is easily damaged, thereby make vibration damper damping effect variation, even occur the defect that damping was lost efficacy.
Adopt following technological scheme in order to solve the existing problem the utility model of background technique: a kind of hydraulic type damping shock absorber, comprise outer cylinder, be arranged at the inner cylinder tube of outer cylinder inner side and be arranged at the piston rod in inner cylinder tube, described piston rod bottom is fixed with piston valve assembly, described inner cylinder tube bottom is fixed with bottom valve assembly, between described outer cylinder top and inner cylinder tube top, be provided with oil sealing guidance set, the outer end, top of described outer cylinder is arranged with dust preventing component, in described inner cylinder tube, be provided with a recovery damping device, this recovery damping device comprises return spring and packing holder, described return spring and packing holder are all sheathed on piston rod, described return spring two ends are connected to respectively oil sealing guidance set and packing holder.
By adopting technique scheme, return spring can be good at relaxing the impact of fluid to oil sealing guidance set by the recovery cushion effect of self, its impact force is diminished greatly, and packing holder can fine fixing return spring one end to keep its relative position, thereby make vibration damper can keep good damping effect, therefore, this hydraulic type damping shock absorber is applicable to being arranged on the large cars of vibrations such as motility car and go-anywhere vehicle and fastens.
Further setting of the present utility model: described dust preventing component upper end is provided with buffer body and this buffer body is sheathed on piston rod, described buffer body upper end is provided with limits its upwards locking nut of slippage, and described locking nut is connected with piston rod thread.
By adopting technique scheme, can make dust preventing component be cushioned in the time that vibration damper is worked, not fragile, and locking nut more firmly makes it be difficult for getting loose by fixing dust preventing component, strengthens it and uses work efficiency.
Further setting of the present utility model: the outside of described outer cylinder is arranged with a spring tray, described spring tray is fixed on outer cylinder by the mode of welding.
By adopting above-mentioned technological scheme, can increase its tensile strength of whole vibration damper, and on outer cylinder, can avoid it in the time that vibration damper is worked, to be shifted even coming off, make vibration damper damping more stable by being welded and fixed.
Further setting of the present utility model: be provided with annular groove on the outer ring surface of described packing holder, described annular groove inner sleeve arranges O RunddichtringO.
By adopting above-mentioned technological scheme, the better position of fixing seal ring support of its O RunddichtringO also increases the sealing of packing holder simultaneously.
The beneficial effects of the utility model are: hydraulic type damping shock absorber of the present utility model by being provided with recovery damping device in inner cylinder tube cylinder, can be good at relaxing the impact of fluid to oil sealing guidance set, can keep good damping effect, fasten thereby be applicable to being arranged on the large cars of vibrations such as motility car and go-anywhere vehicle.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment's hydraulic type damping shock absorber.
Embodiment
As shown in Figure 1, the utility model embodiment's hydraulic type damping shock absorber, comprise outer cylinder 1, be arranged at the inner cylinder tube 2 of outer cylinder 1 inner side and be arranged at the piston rod 3 in inner cylinder tube 2, its piston rod 3 bottoms are fixed with piston valve assembly 4, inner cylinder tube 2 bottoms are fixed with bottom valve assembly 5, and be provided with oil sealing guidance set 6 between outer cylinder 1 top and inner cylinder tube 2 tops, the outer end, top of its outer cylinder 1 is arranged with dust preventing component 7, further, in inner cylinder tube 2, be provided with a recovery damping device, this recovery damping device comprises return spring 8 and packing holder 9, its return spring 8 and packing holder 9 are all sheathed on piston rod 3, and return spring 8 two ends are connected to respectively oil sealing guidance set 6 and packing holder 9, return spring 8 can be good at relaxing the impact of fluid to oil sealing guidance set 6 by the recovery cushion effect of self like this, its impact force is diminished greatly, and packing holder 9 can be fixed one end of return spring 8 to keep its relative position, thereby make vibration damper can keep good damping effect, therefore, this hydraulic type damping shock absorber is applicable to being arranged on the large cars of vibrations such as motility car and go-anywhere vehicle and fastens.
In the present embodiment, dust preventing component 7 upper ends are provided with buffer body 10 and this buffer body 10 is sheathed on piston rod 3, and buffer body 10 upper ends are provided with limits its upwards locking nut 11 of slippage, its locking nut 11 is threaded with piston rod 3, can make like this dust preventing component 7 be cushioned in the time that vibration damper is worked, not fragile, and locking nut 11 can more firmly make it be difficult for getting loose by fixing dust preventing component 7, strengthens it and uses work efficiency.
In the present embodiment, the outside of outer cylinder 1 is arranged with a spring tray 12, and this spring tray 12 is fixed on outer cylinder 1 by the mode of welding, can increase like this tensile strength of whole vibration damper, and spring tray 12 can be avoided it in the time that vibration damper is worked, to be shifted on outer cylinder 1 even coming off, make vibration damper damping more stable by being welded and fixed.
In the present embodiment, be provided with annular groove 13 on the outer ring surface of packing holder 9, its annular groove 13 inner sleeves arrange O RunddichtringO 14, by the better position of fixing seal ring support 9 of O RunddichtringO 14, have further increased the sealing of packing holder 9 simultaneously.

Claims (4)

1. a hydraulic type damping shock absorber, comprise outer cylinder, be arranged at the inner cylinder tube of outer cylinder inner side and be arranged at the piston rod in inner cylinder tube, described piston rod bottom is fixed with piston valve assembly, described inner cylinder tube bottom is fixed with bottom valve assembly, between described outer cylinder top and inner cylinder tube top, be provided with oil sealing guidance set, the outer end, top of described outer cylinder is arranged with dust preventing component, it is characterized in that: in described inner cylinder tube, be provided with a recovery damping device, this recovery damping device comprises return spring and packing holder, described return spring and packing holder are all sheathed on piston rod, described return spring two ends are connected to respectively oil sealing guidance set and packing holder.
2. hydraulic type damping shock absorber according to claim 1, it is characterized in that: described dust preventing component upper end is provided with buffer body and this buffer body is sheathed on piston rod, described buffer body upper end is provided with limits its upwards locking nut of slippage, and described locking nut is connected with piston rod thread.
3. hydraulic type damping shock absorber according to claim 1, is characterized in that: the outside of described outer cylinder is arranged with a spring tray, and described spring tray is fixed on outer cylinder by the mode of welding.
4. hydraulic type damping shock absorber according to claim 1, is characterized in that: on the outer ring surface of described packing holder, be provided with annular groove, described annular groove inner sleeve arranges O RunddichtringO.
CN201420026378.4U 2014-01-13 2014-01-13 Hydraulic damping shock absorber Expired - Fee Related CN203641378U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420026378.4U CN203641378U (en) 2014-01-13 2014-01-13 Hydraulic damping shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420026378.4U CN203641378U (en) 2014-01-13 2014-01-13 Hydraulic damping shock absorber

Publications (1)

Publication Number Publication Date
CN203641378U true CN203641378U (en) 2014-06-11

Family

ID=50872625

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420026378.4U Expired - Fee Related CN203641378U (en) 2014-01-13 2014-01-13 Hydraulic damping shock absorber

Country Status (1)

Country Link
CN (1) CN203641378U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106015429A (en) * 2016-06-12 2016-10-12 四川宁江山川机械有限责任公司 Hydraulic returning and buffering structure
CN110296176A (en) * 2018-03-22 2019-10-01 Zf腓特烈斯哈芬股份公司 Has the cylinder assembly of Packed bottom

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106015429A (en) * 2016-06-12 2016-10-12 四川宁江山川机械有限责任公司 Hydraulic returning and buffering structure
CN110296176A (en) * 2018-03-22 2019-10-01 Zf腓特烈斯哈芬股份公司 Has the cylinder assembly of Packed bottom

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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

Granted publication date: 20140611

Termination date: 20150113

EXPY Termination of patent right or utility model