CN204099484U - A kind of vibration damper of adjustable in length - Google Patents
A kind of vibration damper of adjustable in length Download PDFInfo
- Publication number
- CN204099484U CN204099484U CN201420509998.3U CN201420509998U CN204099484U CN 204099484 U CN204099484 U CN 204099484U CN 201420509998 U CN201420509998 U CN 201420509998U CN 204099484 U CN204099484 U CN 204099484U
- Authority
- CN
- China
- Prior art keywords
- vibration damper
- telescopic cylinder
- length
- gas holder
- piston rod
- 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 kind of vibration damper of adjustable in length, comprise shock absorber body, described shock absorber body comprises damp tube and piston rod, one end of described piston rod can be located in described damp tube slidably, the other end of described piston rod extends in outside described damp tube, wherein: described piston rod extends on the one end outside described damp tube and is connected with telescopic cylinder, on described telescopic cylinder, UNICOM is provided with gas holder, regulating valve is provided with between described gas holder and telescopic cylinder, liquid nitrogen is filled with in described gas holder, the utility model aims to provide a kind of vibration damper that can regulate length whenever and wherever possible easily.
Description
Technical field
The utility model relates to a kind of locomotive element, and more particularly, it relates to a kind of vibration damper.
Background technique
Vibration damper, concussion when vibration damper rebounds after being mainly used to suppress spring shock-absorbing and the impact from road surface.Through uneven road surface, although shock-absorbing spring can filter the vibrations on road surface, spring self also has to-and-fro motion, and vibration damper is just used to suppress this spring to jump.Vibration damper is too soft, and vehicle body will vertical bounce, and vibration damper will bring too large resistance too firmly, hinders spring normally to work.About in the retrofit process of suspension system, hard vibration damper will be arranged in pairs or groups mutually with hard spring, and the hardness of spring is closely bound up with car weight, and therefore heavier car generally adopts harder vibration damper.With draw the device shaking bent axle and connect, the torsional shaking of the bent axle that is used for contending with (i.e. the impact force of bent axle subject cylinder igniting and twist phenomenon).
In prior art, be in the Chinese invention patent prospectus of CN201310244283.X, disclose a kind of single-cylinder type hydraulic pressure inflation rear shock absorber of motorcycle in the patent No., comprise shell, it is characterized in that: the two ends of described shell are respectively arranged with hoisting ring device; Be provided with cavity in described shell, one end of cavity is provided with oil gear, and shell is run through in one end of oil gear, and the outboard end of oil gear is provided with hoisting ring device; The outer surface of described shell is provided with fixing device, in fixing device, is provided with spring; Described oil gear comprises the piston rod running through shell, the outboard end of piston rod is connected with hoisting ring device, inner end is provided with piston assembly, and the side of piston assembly is provided with hydraulic fluid chamber and nitrogen chamber, can meet the different requirements of different model motorcycle to rear shock absorber length.
This vibration damper utilizes nitrogen chamber to regulate its vibration damper length, but the nitrogen chamber in the vibration damper in above-mentioned patent can not be inflated at any time, must fill nitrogen at the maintenace point that specify, this just makes when just cannot free adjusting length and may produce loosening during nitrogen deficiency in nitrogen chamber.
Model utility content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of vibration damper that can regulate length whenever and wherever possible.
For achieving the above object, a kind of vibration damper of adjustable in length, comprise shock absorber body, described shock absorber body comprises damp tube and piston rod, one end of described piston rod can be located in described damp tube slidably, the other end of described piston rod extends in outside described damp tube, wherein: described piston rod extends on the one end outside described damp tube and is connected with telescopic cylinder, on described telescopic cylinder, UNICOM is provided with gas holder, be provided with regulating valve between described gas holder and telescopic cylinder, in described gas holder, be filled with liquid nitrogen.
By adopting technique scheme, described telescopic cylinder is as the mechanism regulating described vibration damper length, it is linked with gas holder, by opening regulating valve, for telescopic cylinder is filled with, appropriate nitrogen, to reach the effect regulating telescopic cylinder length, thus reaches the function of i.e. adjustable described vibration damper length whenever and wherever possible.
The utility model is set to further: described telescopic cylinder comprises base and flexible rod, described base sheath is located at one end of flexible rod, described base is set to threaded stem towards one end of flexible rod, and described threaded stem is arranged with nut, described flexible rod is provided with projection towards one end of base, and described nut is located on described projection.
By adopting technique scheme, be set in the nut on flexible rod and the projection on flexible rod cooperatively interacts, the extreme length of described telescopic cylinder is regulated by the distance regulating described nut to be screwed into base, making the length of described vibration damper can choose at random length size when regulating, using convenient.
The utility model is set to further: described base is provided with gas bleeder valve.
By adopting technique scheme, the nitrogen in described telescopic cylinder can being bled off by described gas bleeder valve, making shorten length, making described vibration damper more flexible when regulating length.
The utility model is set to further: described gas holder is arranged on described base one end away from flexible rod.
By adopting technique scheme, when being filled with nitrogen from described gas holder to base, from below base, up first filling nitrogen, making described adjustment process more steadily, accurately.
The utility model is set to further: described nut is opened and is equipped with radial tapped hole.
By adopting technique scheme, just can playing the effect of reinforcing described nut by adding screw in tapped hole, strengthening the stability of described cylinder when regulating length.
Compared with prior art, the utility model has the advantage of: the utility model is by being provided with a gas holder, gas holder is connected by tracheae with telescopic cylinder, and be provided with valve in tracheae, when nitrogen deficiency in nitrogen chamber cannot regulate the length of telescopic cylinder, valve can be opened on the spot, gas holder is inflated in telescopic cylinder, thus the gas capacity in telescopic cylinder is reached be enough to degree that cylinder length is regulated, more flexibly.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the vibration damper embodiment of the utility model adjustable in length;
Fig. 2 is telescopic cylinder schematic diagram in the vibration damper embodiment of the utility model adjustable in length.
Reference character: 1. shock absorber body; 11. damp tubes; 12. piston rods; 2. hanger; 3. telescopic cylinder; 31. bases; 32. flexible rods; 33. gas holder; 34. regulating valves; 35. threaded stems; 36. nuts; 37. projections; 38. gas bleeder valves; 39. tapped holes; 4. spring.
Embodiment
Referring to figs. 1 through Fig. 2, the vibration damper embodiment of the utility model adjustable in length is described further.
A kind of vibration damper of adjustable in length, connection on vehicle between wheel and domain, vibrations suffered in locomotive operation can be reduced, comprise shock absorber body 1, described shock absorber body 1 comprises damp tube 11 and piston rod 12, suffered damp tube 11 can be divided into hydraulic type damp tube 11 and pneumatic-typed damp tube 11, preferably adopts hydraulic damper in the present embodiment, its principle is, when when vehicle frame and vehicle bridge do reciprocal relative movement, piston moves back and forth in the cylinder barrel of vibration damper, fluid in vibration damper housing just flows into another inner chamber from inner chamber by some narrow holes repeatedly, now, the friction of liquid and inwall and the interior friction of fluid molecule just form the damping force to vibrating, described damp tube 11 is set on one end of piston rod 12, described piston rod 12 can move reciprocatingly in damp tube 11, and the other end of described piston rod 12 extends outside described damp tube 11, the two ends of described shock absorber body 1 are provided with hanger 2, suffered vibration damper is connected on locomotive by the hanger 2 of two sections, as as described in Figure of description 1, a spring 4 is also arranged with outside described piston rod 12 and damp tube 11, the vibration that described spring is subject to for cutting down described vibration damper, wherein, telescopic cylinder 3 is provided with between described piston rod 12 and hanger 2, state telescopic cylinder 3 and comprise base 31 and flexible rod 32, suffered base 31 and flexible rod 32 are all set to cylindrical, described base 31 is provided with gas bleeder valve 38, described base 31 is set in one end of flexible rod 32, its joint can also be added the seal arrangements such as seal ring and be strengthened its sealability, described base 31 is set to threaded stem 35 towards one end of flexible rod 32, and described threaded stem 35 is arranged with nut 36, the sectional shape of suffered nut 36 is as shown in Figure of description, described flexible rod 32 is provided with projection 37 towards one end of base 31, described nut 36 is located on described projection 37, described nut 36 is equipped with tapped hole 39 along week upper radial direction, on described telescopic cylinder 3, UNICOM is provided with gas holder 33 and is provided with regulating valve 34 between gas holder 33 and telescopic cylinder 3, described regulating valve 34 for segmentation be communicated with described base 31 and gas holder 33, liquid nitrogen is filled with and described gas holder 33 is arranged on described base 31 one end away from flexible rod 32 in described gas holder 33, certain described gas holder 33 is high strength gas holder 33, can storage-stable liquid nitrogen, described gas holder 33 is set to cylindrical.
Working principle of the present utility model and effect as follows: described telescopic cylinder 3 is as regulating the mechanism of described vibration damper length, it is linked with gas holder 33, by unlatching regulating valve 34 for telescopic cylinder 3 is filled with appropriate nitrogen to reach the effect regulating telescopic cylinder 3 length, thus reach the function of i.e. adjustable described vibration damper length whenever and wherever possible, and be filled with in described telescopic cylinder 3 from nitrogen can also for described vibration damper share part vibrations, strengthen the shock-proof effect of described vibration damper, the nut 36 be set on flexible rod 32 cooperatively interacts with the projection 37 on flexible rod 32, the extreme length of described telescopic cylinder 3 is regulated by the distance regulating described nut 36 to be screwed into base 31, make the length of described vibration damper can choose at random length size when regulating, use convenient, the nitrogen in described telescopic cylinder 3 can be bled off by described gas bleeder valve 38, make shorten length, make described vibration damper more flexible when regulating length, when being filled with nitrogen from described gas holder 33 to base 31, up first nitrogen is filled from below base 31, make described adjustment process more steady, accurately, columniform air reservoir can store more nitrogen when taking equal in quality material, the effect of reinforcing described nut 36 just can be played by adding screw in tapped hole 39, strengthen the stability of described cylinder when regulating length.
The above is only preferred implementation of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, and all technological schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (5)
1. the vibration damper of an adjustable in length, comprise shock absorber body, described shock absorber body comprises damp tube and piston rod, one end of described piston rod can be located in described damp tube slidably, the other end of described piston rod extends in outside described damp tube, it is characterized in that: described piston rod extends on the one end outside described damp tube and is connected with telescopic cylinder, on described telescopic cylinder, UNICOM is provided with gas holder, be provided with regulating valve between described gas holder and telescopic cylinder, in described gas holder, be filled with liquid nitrogen.
2. the vibration damper of adjustable in length according to claim 1, it is characterized in that: described telescopic cylinder comprises base and flexible rod, described base sheath is located at one end of flexible rod, described base is set to threaded stem towards one end of flexible rod, and described threaded stem is arranged with nut, described flexible rod is provided with projection towards one end of base, and described nut is located on described projection.
3. the vibration damper of adjustable in length according to claim 2, is characterized in that: described base is provided with gas bleeder valve.
4. the vibration damper of adjustable in length according to claim 3, is characterized in that: described gas holder is arranged on described base one end away from flexible rod.
5. the vibration damper of adjustable in length according to claim 4, is characterized in that: described nut offers radial tapped hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509998.3U CN204099484U (en) | 2014-09-05 | 2014-09-05 | A kind of vibration damper of adjustable in length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420509998.3U CN204099484U (en) | 2014-09-05 | 2014-09-05 | A kind of vibration damper of adjustable in length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204099484U true CN204099484U (en) | 2015-01-14 |
Family
ID=52267914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420509998.3U Expired - Fee Related CN204099484U (en) | 2014-09-05 | 2014-09-05 | A kind of vibration damper of adjustable in length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204099484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124899A (en) * | 2016-07-15 | 2017-09-01 | 深圳市大疆创新科技有限公司 | Movable fixture, follow shot equipment, movable fixture control system and method |
-
2014
- 2014-09-05 CN CN201420509998.3U patent/CN204099484U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107124899A (en) * | 2016-07-15 | 2017-09-01 | 深圳市大疆创新科技有限公司 | Movable fixture, follow shot equipment, movable fixture control system and method |
| CN107124899B (en) * | 2016-07-15 | 2019-07-05 | 深圳市大疆创新科技有限公司 | Movable fixture, follow shot equipment, movable fixture control system and method |
| US10953998B2 (en) | 2016-07-15 | 2021-03-23 | SZ DJI Technology Co., Ltd. | Systems and methods for providing stability support |
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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: 20150114 Termination date: 20170905 |