CN207454645U - Piston lever of reducer - Google Patents
Piston lever of reducer Download PDFInfo
- Publication number
- CN207454645U CN207454645U CN201721558323.8U CN201721558323U CN207454645U CN 207454645 U CN207454645 U CN 207454645U CN 201721558323 U CN201721558323 U CN 201721558323U CN 207454645 U CN207454645 U CN 207454645U
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- CN
- China
- Prior art keywords
- piston
- reed
- rod
- reducer
- oil
- 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 provides a kind of piston lever of reducer, belongs to engineering element technical field.It solves existing piston lever of reducer there is complicated, manufactures the problem of of high cost.This piston lever of reducer includes piston and the body of rod；In a tubular form, piston is fixedly connected the body of rod by bolt with the body of rod；Perforation and the throttle orifice being connected with body of rod inner cavity are provided on bolt；A plurality of first oil canal and the second oil canal are provided on piston；The the first logical oil groove for being connected with the first oil canal and extending on piston side is provided on the end face of piston；The first reed of the second oil canal can be covered by being equipped on the outside of the end face of piston；The the second logical oil groove for being connected with the second oil canal and extending on piston side is provided on the other end of piston；The second reed of the first oil canal can be covered by being equipped on the outside of the other end of piston；First reed and the second reed are fixed also by above-mentioned bolt.This piston lever of reducer has the advantages of integrated level is high, and parts are few, low manufacture cost.
Description
Technical field
The utility model belongs to engineering element technical field, is related to a kind of damper, particularly a kind of piston lever of reducer.
Background technology
Concussion when damper is for inhibiting to rebound after spring shock-absorbing and the impact from road surface.Small-sized damper is extensive
It applies in two wheel electric cars and three-wheeled electric vehicle.
When by uneven road surface, although shock-absorbing spring can filter the vibrations on road surface, spring also has itself vehicle
It moves back and forth, and damper is exactly for inhibiting this spring jump.Damper is too soft, vehicle body will vertical bounce, damping
Device can bring about very much too big resistance firmly, interfere spring normal work.Piston rod just can control the hardness of damper；Conventional base
The fixed throttle orifice in aperture is provided on the piston rod of device.In order to improve vehicle comfort, people have also been proposed the work of kind of damper
The structures such as plug structure (Authorization Notice No. CN203362945U), bottom valve of shock absorber assembly (Authorization Notice No. CN202228585U)；
Existing piston lever of reducer manufactures the problem of of high cost there is complicated.
The content of the invention
The utility model proposes a kind of piston lever of reducer, the technical problems to be solved in the utility model is how to reduce
The manufacture cost of piston lever of reducer.
The technical problems to be solved of the utility model can be realized by following technical proposal：A kind of shock absorber piston
Bar, including piston and the body of rod；In a tubular form, piston is fixedly connected the body of rod by bolt with the body of rod；Perforation and and bar are provided on bolt
The throttle orifice that intracoelomic cavity is connected；Be provided on piston it is a plurality of axially through the first oil canal and the second oil canal；The one of piston
The the first logical oil groove for being connected with the first oil canal and extending on piston side is provided on end face；It is set on the outside of the end face of piston
The first reed of the second oil canal can be covered by having；It is provided on the other end of piston and is connected and extends to work with the second oil canal
Fill in the second logical oil groove on side；The second reed of the first oil canal can be covered by being equipped on the outside of the other end of piston；First spring
Piece and the second reed are fixed also by above-mentioned bolt.
This damper is mainly by controlling throttle orifice on bolt to adjust its hardness.This damper fluid mainly passes through throttling
Hole；When oil pressure difference is more than reed bearing capacity, the open-top reed of oil pressure passes through from oil canal auxiliary；Improve damper damping property
Can, thus improve vehicle driving comfort.
Compared with prior art, the damper with this piston rod is still with the excellent characteristic of damping performance.This damper
Logical oily main channel be located in the body of rod, throttle orifice is located on bolt, and oil canal is located at piston, thus has integrated level height, structure
It is compact, design the advantages of reasonable；Thus this damper has the advantages of parts are few, low manufacture cost.
Description of the drawings
Fig. 1 is the dimensional structure diagram of this piston lever of reducer.
Fig. 2 is the schematic cross-sectional view of this piston lever of reducer.
Fig. 3 is the dimensional structure diagram of piston in this piston lever of reducer.
In figure, 1, piston；1a, the first oil canal；1b, the second oil canal；1c, the first logical oil groove；1d, the second logical oil groove；
1e, seal groove；2nd, the body of rod；2a, through hole；3rd, bolt；3a, throttle orifice；4th, the first reed；5th, the first control sheet；6th, the first tabletting；
7th, the second reed；8th, the second control sheet；9th, the second tabletting；10th, sealing ring；10a, opening.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
As shown in Figure 1 to Figure 3, this piston lever of reducer includes piston 1, the body of rod 2 and bolt 3.
The body of rod 2 in a tubular form, is respectively provided with screw thread, through hole 2a is provided on the side wall of the body of rod 2 on the both ends medial surface of the body of rod 2.Bar
One end of body 2 can be fixedly connected with the sleeve of damper；Piston 1 is fixed on by bolt 3 on 2 other end of the body of rod.It is opened on bolt 3
Throttle orifice 3a that is having perforation and being connected with 2 inner cavity of the body of rod.
Be provided on piston 1 it is a plurality of axially through the first oil canal 1a and the second oil canal 1b；Figure of description provides, the
One oil canal 1a and the second oil canal 1b is 5, according to the quantity of actual conditions the first oil canal 1a and the second oil canal 1b
It increases or decreases adaptability.It is provided on the end face of piston 1 and is connected and extends to 1 side of piston with the first oil canal 1a
On the first logical oil groove 1c；It is provided on the other end of piston 1 and is connected with the second oil canal 1b and extends on 1 side of piston
The second logical oil groove 1d；First logical oil groove 1c and second leads to oil groove 1d in sector, is thus effectively guaranteed oil stream amount.
The first reed 4,5 and of the first control sheet of the second oil canal 1b can be covered by being equipped with successively on the outside of the end face of piston 1
First tabletting 6；It can adjust the first reed 4 by adjusting the thickness and diameter of control sheet and open required elastic force, and then make first
Reed 4 opens required elastic force and matches with setting oil pressure.The first oil canal can be covered by being equipped with successively on the outside of the other end of piston 1
The second reed 7, the second control sheet 8 and the second tabletting 9 of 1a；The second reed can be adjusted by adjusting the thickness and diameter of control sheet
7 open required elastic force, and then the first reed 4 is made to open required elastic force and is matched with setting oil pressure.First tabletting 6, first is controlled
Film-making 5, the first reed 4, the second reed 7, the second control sheet 8 and the second tabletting 9 are fixed by above-mentioned bolt 3.I.e. bolt 3 passes through
First tabletting 6, the first control sheet 5, the first reed 4, piston 1, the second reed 7, the second control sheet 8 and the second tabletting 9 and the body of rod 2
It is threadedly coupled.4 inner edge portion of the first control sheet 5 and the first reed is pushed down in first tabletting 6, and the first control sheet 5 and first is fixed in realization
Reed 4；First tabletting 6 simultaneously is obliquely installed with 4 opposite face of the first reed, is played an important role of to limit 4 deflection of the first reed, be kept away
Exempting from the first reed 4 can not service due to oily blastic deformation transition to home position, and then influence leakproofness.Second tabletting 9 is pushed down
The second control sheet 8 and the second reed 7 are fixed in 7 inner edge portion of second control sheet 8 and the second reed, realization；Second tabletting 9 simultaneously and the
Two reeds, 7 opposite face is obliquely installed, and is played an important role of to limit 7 deflection of the second reed, is avoided the second reed 7 because of oily blastic deformation
Transition and can not service to home position, and then influence leakproofness.
Seal groove 1e in a ring is provided on the lateral surface of piston 1, is equipped in seal groove 1e and is made of polytetrafluoroethylene (PTFE)
Sealing ring 10, the cross section of sealing ring 10 is rectangular, on sealing ring 10 have inclined opening 10a, thus convenient for sealing ring
10 are packed into seal groove 1e, and when piston 1 is filled in sleeve, 10 compressive deformation of sealing ring, the side wall for the 10a that is open leans, into
And ensure leakproofness.
Claims (8)
1. a kind of piston lever of reducer, including piston (1) and the body of rod (2)；In a tubular form, piston (1) passes through bolt (3) to the body of rod (2)
It is fixedly connected with the body of rod (2)；Perforation and the throttle orifice (3a) being connected with the body of rod (2) inner cavity are provided on bolt (3)；Piston (1)
On be provided with it is a plurality of axially through the first oil canal (1a) and the second oil canal (1b)；It is provided on the end face of piston (1) and the
One oil canal (1a) is connected and extends to the first logical oil groove (1c) on piston (1) side；It is set on the outside of the end face of piston (1)
The first reed (4) of the second oil canal (1b) can be covered by having；It is provided on the other end of piston (1) and the second oil canal (1b) phase
It connects and extends to the second logical oil groove (1d) on piston (1) side；First can be covered by being equipped on the outside of the other end of piston (1)
The second reed (7) of oil canal (1a)；First reed (4) and the second reed (7) are fixed also by above-mentioned bolt (3).
2. piston lever of reducer according to claim 1, which is characterized in that on the both ends medial surface of the body of rod (2)
With screw thread, through hole (2a) is provided on the side wall of the body of rod (2)；Damper includes sleeve, and one end of the body of rod (2) can be fixed with sleeve
Connection；Bolt (3) is threadedly coupled with the body of rod (2) other end.
3. piston lever of reducer according to claim 1, which is characterized in that the described first logical oil groove (1c) and the second logical oil
Slot (1d) is in sector.
4. according to the piston lever of reducer described in claim 1 or 2 or 3, which is characterized in that the outside of first reed (4)
Equipped with for controlling the first control sheet (5) of elastic force needed for the first reed (4) opening, the outside of the second reed (7), which is equipped with, to be used for
Control the second control sheet (8) of elastic force needed for the second reed (7) opening；First control sheet (5) and the second control sheet (8) also by
Above-mentioned bolt (3) is fixed.
5. piston lever of reducer according to claim 4, which is characterized in that the outside of first control sheet (5) is equipped with
The first control sheet (5) and the first reed (4) inner edge portion are pushed down in first tabletting (6), the first tabletting (6)；Outside second control sheet (8)
Side is equipped with the second tabletting (9), and the second control sheet (8) and the second reed (7) inner edge portion are pushed down in the second tabletting (9).
6. piston lever of reducer according to claim 5, which is characterized in that there is limitation the on first tabletting (6)
The face of inclining of one reed (4) deflection；There is the face of inclining of limitation the second reed (7) deflection in second tabletting (9).
7. piston lever of reducer according to claim 1, which is characterized in that be provided on the lateral surface of the piston (1) and be in
The seal groove (1e) of annular, seal groove (1e) is interior to be equipped with using sealing ring (10) made of polytetrafluoroethylene (PTFE), sealing ring (10)
Cross section is rectangular.
8. piston lever of reducer according to claim 7, which is characterized in that there is inclined open on the sealing ring (10)
Mouth (10a), damper includes sleeve, and when piston (1) is located in sleeve, the two side of opening (10a) leans.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721558323.8U CN207454645U (en) | 2017-11-21 | 2017-11-21 | Piston lever of reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721558323.8U CN207454645U (en) | 2017-11-21 | 2017-11-21 | Piston lever of reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207454645U true CN207454645U (en) | 2018-06-05 |
Family
ID=62277408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721558323.8U Expired - Fee Related CN207454645U (en) | 2017-11-21 | 2017-11-21 | Piston lever of reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207454645U (en) |
-
2017
- 2017-11-21 CN CN201721558323.8U patent/CN207454645U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20180605 Termination date: 20181121 |