CN207470668U - A kind of adjustable hydraulic damper - Google Patents
A kind of adjustable hydraulic damper Download PDFInfo
- Publication number
- CN207470668U CN207470668U CN201721198641.8U CN201721198641U CN207470668U CN 207470668 U CN207470668 U CN 207470668U CN 201721198641 U CN201721198641 U CN 201721198641U CN 207470668 U CN207470668 U CN 207470668U
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- oil cylinder
- sleeve
- spring
- piston
- screw thread
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Abstract
A kind of adjustable hydraulic damper, including oil cylinder seat and spring base, cylindrical oil cylinder is provided on the oil cylinder seat, piston is equipped in the oil cylinder, piston rod is fixed on the piston, the other end of the piston rod stretches out the oil cylinder and affixed with the spring base, the spring base is equipped with damping spring, the female sleeve of a tool is cased on the oil cylinder, one end of the damping spring and the sleeve connection, adjusting screw thread is offered on the outer wall of the oil cylinder, the adjusting screw thread is connect with the bush whorl.The cooperation that the utility model passes through sleeve and adjusting screw thread so that commonly used person can also borrow the elasticity of adjustment spring easily, so that damper can preferably coordinate the use of vehicle;And by the cooperation of sleeve, sealing ring and lock tube, sleeve can be prevented and adjust the loosening of screw thread, improve the stability of connection, so that the adjustable hydraulic damper has more preferably reliability.
Description
Technical field
The utility model is related to a kind of adjustable hydraulic dampers, especially a kind of adjustable hydraulic for electric bicycle
Press damper.
Background technology
The demand of damper is since spring cannot settle out at once, that is to say, that spring is compressed decontrol again after,
It, which can be continued for some time, stretches but also contracts not only, so damper can absorb wheel and encounter vibrations caused by concave-convex road surface, makes to multiply
It sits comfortable.
Electric bicycle is larger due to conducting oneself with dignity, and riding speed is fast, therefore the requirement for damper is more increased, existing bullet
Spring damping, pneumatic shock absorbing can not just meet the needs of electric bicycle.Also, the damper with spring is after long-term use,
The elasticity of its spring changes, and preferable matching degree can not be formed between vehicle, and safety when may cause to ride is hidden
Suffer from.And existing damper need professional tool parts are broken after could adjustment spring, for common user
With higher difficulty, the purpose of voluntarily adjustment spring can not be realized.
Invention content
In order to overcome the above-mentioned deficiency of the prior art, the utility model provides a kind of simple in structure and easy to operate adjustable
Formula hydraulic damper.
The technical scheme in the invention for solving the technical problem is:A kind of adjustable hydraulic damper, including oil cylinder seat
And spring base, cylindrical oil cylinder is provided on the oil cylinder seat, is equipped with piston in the oil cylinder, it is solid on the piston
Surely there is piston rod, the other end of the piston rod stretches out the oil cylinder and bullet affixed with the spring base, described
Spring abutment is equipped with damping spring, and the female sleeve of a tool, one end of the damping spring and institute are cased on the oil cylinder
The sleeve connection stated, adjusting screw thread is offered on the outer wall of the oil cylinder, and the screw thread that adjusts connects with the bush whorl
It connects.
Further, a sleeve is further included, a circle slot is offered on the sleeve, the sleeve can be inserted into described
In slot, a circle seal groove is offered on the sleeve, sealing ring is equipped with, and the sealing ring can be embedded in the seal groove
In the adjusting screw thread, a lock tube is further included, the lock tube can be inserted into the seal groove, and the lock tube and institute
The seal groove interference fit stated.
Further, the sleeve is made of left half set and right half set, and one end of left half set is equipped with the first closing piece, separately
One end offers the first locked groove, and one end of right half set is equipped with the second closing piece, and the other end is equipped with the second locked groove, and described first
Closing piece is inserted into second locked groove, and second closing piece is inserted into first locked groove.
Further, it is equipped with working cylinder in the oil cylinder, filled with hydraulic oil in the working cylinder, is also set in the oil cylinder
There is guide holder, the guide holder and the oil cylinder are equipped with oil sealing, the guide holder and institute between one end of spring base
Oil cylinder spring is equipped between the piston stated, the piston rod passes through the oil cylinder spring.
Further, a dust cover is further included, the dust cover envelopes the oil cylinder close to one end of spring base.
The beneficial effects of the utility model are:1st, pass through the cooperation of sleeve and adjusting screw thread so that commonly used person
The elasticity of adjustment spring easily can be borrowed, so that damper can preferably coordinate the use of vehicle;2nd, by sleeve,
The cooperation of sealing ring and lock tube can prevent sleeve and adjust the loosening of screw thread, the stability of connection be improved, so that this is adjustable
Formula hydraulic damper has more preferably reliability.
Description of the drawings
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the internal structure schematic diagram of the utility model.
Fig. 3 is the enlarged diagram of part A in Fig. 2.
Fig. 4 is the partial structural diagram of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Reference Fig. 1~Fig. 4, a kind of adjustable hydraulic damper, including oil cylinder seat 1 and spring base 2, the oil cylinder seat 1
On be provided with cylindrical oil cylinder 3, piston 4 is equipped in the oil cylinder 3, piston rod 5, institute are fixed on the piston 4
The other end for stating piston rod 5 stretches out the oil cylinder 3 and affixed with the spring base 2, and the spring base 2, which is equipped with, to be subtracted
Spring 6 is shaken, the female sleeve 7 of a tool, one end of the damping spring 6 and the sleeve 7 are cased on the oil cylinder 3
It connects, is offered on the outer wall of the oil cylinder 3 and adjust screw thread 8, the adjusting screw thread 8 is threadedly coupled with the sleeve 7.
In the present embodiment, a sleeve 9 is further included, a circle slot 10 is offered on the sleeve 7, the sleeve 9 can
It is inserted into the slot 10, a circle seal groove 11 is offered on the sleeve 9, sealing ring is equipped in the seal groove 11
12, and the sealing ring 12 can be embedded in the adjusting screw thread 8, further include a lock tube 13, the lock tube 13 can be inserted into described
Seal groove 11 in, and the lock tube 13 is interference fitted with the seal groove 11.Pass through sleeve 9, sealing ring 12 and lock tube
13 cooperation can prevent sleeve 7 and adjust the loosening of screw thread 8, the stability of its connection be improved, so that the adjustable hydraulic
Damper has more preferably reliability.
In the present embodiment, the sleeve 9 is made of left half set 14 and right half set 15, and one end of left half set 14 is equipped with
First closing piece 16, the other end offer the first locked groove 17, and one end of right half set 15 is equipped with the second closing piece 18, and the other end is equipped with
Second locked groove 19, first closing piece 16 are inserted into second locked groove 19, and second closing piece 18 is inserted into described
In first locked groove 17.By the effect of the removable sleeve 9, facilitate the installation and removal between sleeve 9 and sleeve 7.
In the present embodiment, working cylinder 20 is equipped in the oil cylinder 3, the working cylinder 20 is interior filled with hydraulic oil, described
Guide holder 21 is additionally provided in oil cylinder 3, the guide holder 21 and the oil cylinder 3 are equipped with oil sealing between one end of spring base 2
22, oil cylinder spring 23 is equipped between the guide holder 21 and the piston 4, the piston rod 5 passes through the oil
Cylinder spring 23.Pass through the effect of guide holder 21 so that piston 4 is more smooth when being moved up and down in oil cylinder 3;Pass through 22 He of oil sealing
The effect of hydraulic oil in working cylinder 20 may be such that the damper provides good shock-absorbing function.
In the present embodiment, a dust cover 24 is further included, the dust cover 24 envelopes the oil cylinder 3 close to spring base 2
One end.Since the damper is all middle use outdoors, a large amount of dust can be touched, when dust is entered in oil cylinder 3 simultaneously
Run up to it is a certain amount of after, just influence whether the using effect of the oil cylinder 3, the damping effect of the hydraulic damper caused to decline.It is logical
The use of dust cover 24 is crossed, the impurity such as dust can be effectively reduced and entered in oil cylinder 3, ensure the normal use of hydraulic damper.
When the utility model is used, pass through the cooperation of sleeve 7 and adjusting screw thread 8 so that commonly used person can also borrow light
The elasticity of easy adjustment spring, so that damper can preferably coordinate the use of vehicle.Also, pass through sleeve 9, sealing
The cooperation of circle 12 and lock tube 13 can prevent sleeve 7 and adjust the loosening of screw thread 8, the stability of connection be improved, so that this can
Mode hydraulic damper has more preferably reliability.
Claims (5)
1. a kind of adjustable hydraulic damper including oil cylinder seat and spring base, is provided with cylindrical oil on the oil cylinder seat
Cylinder, the oil cylinder is interior to be equipped with piston, and piston rod is fixed on the piston, and the other end of the piston rod stretches out institute
The oil cylinder stated is simultaneously affixed with the spring base, and the spring base is equipped with damping spring, it is characterised in that:The oil cylinder
On be cased with the female sleeve of a tool, one end of the damping spring and the sleeve connection, on the outer wall of the oil cylinder
Adjusting screw thread is offered, the adjusting screw thread is connect with the bush whorl.
2. adjustable hydraulic damper according to claim 1, it is characterised in that:Further include a sleeve, the sleeve
On offer a circle slot, the sleeve can be inserted into the slot, and a circle seal groove, institute are offered on the sleeve
Sealing ring is equipped in the seal groove stated, and the sealing ring can be embedded in the adjusting screw thread, further include a lock tube, the lock
Set can be inserted into the seal groove, and the lock tube is interference fitted with the seal groove.
3. adjustable hydraulic damper according to claim 2, it is characterised in that:The sleeve is by left half set and right half
Set composition, one end of left half set are equipped with the first closing piece, and the other end offers the first locked groove, and one end of right half set is equipped with
Second closing piece, the other end are equipped with the second locked groove, and first closing piece is inserted into second locked groove, second closing piece
It is inserted into first locked groove.
4. adjustable hydraulic damper according to claim 1, it is characterised in that:Working cylinder, institute are equipped in the oil cylinder
Filled with hydraulic oil in the working cylinder stated, guide holder is additionally provided in the oil cylinder, the guide holder leans on short round with the oil cylinder
Oil sealing is equipped between one end of spring abutment, oil cylinder spring is equipped between the guide holder and the piston, the piston connects
Bar passes through the oil cylinder spring.
5. according to any adjustable hydraulic dampers of claim 1-4, it is characterised in that:Further include a dust cover, institute
The dust cover stated envelopes the oil cylinder close to one end of spring base.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721198641.8U CN207470668U (en) | 2017-09-19 | 2017-09-19 | A kind of adjustable hydraulic damper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201721198641.8U CN207470668U (en) | 2017-09-19 | 2017-09-19 | A kind of adjustable hydraulic damper |
Publications (1)
Publication Number | Publication Date |
---|---|
CN207470668U true CN207470668U (en) | 2018-06-08 |
Family
ID=62269176
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201721198641.8U Active CN207470668U (en) | 2017-09-19 | 2017-09-19 | A kind of adjustable hydraulic damper |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN207470668U (en) |
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2017
- 2017-09-19 CN CN201721198641.8U patent/CN207470668U/en active Active
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