CN206943311U - A kind of damper - Google Patents
A kind of damper Download PDFInfo
- Publication number
- CN206943311U CN206943311U CN201720882435.2U CN201720882435U CN206943311U CN 206943311 U CN206943311 U CN 206943311U CN 201720882435 U CN201720882435 U CN 201720882435U CN 206943311 U CN206943311 U CN 206943311U
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- CN
- China
- Prior art keywords
- piston
- end cap
- valve element
- annular
- sealing shroud
- 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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- Fluid-Damping Devices (AREA)
Abstract
The utility model provides a kind of damper of good seal performance, turn over riveting setting in shell nozzle end, end cap and sealing ring are riveted tightly in housing, damping oil is set to be entirely sealed in housing, the ring baffle of the sealing shroud bottom blocks the damping oil being bonded on piston mandrel outer wall, prevents damping oil from taking housing out of by piston mandrel, the gas spatial cache that gas is entered in sealing shroud by the passage of end cap upper surface, atmospheric pressure is increased to sealing shroud, makes sealing shroud better seal, damping oil will not leak outside.
Description
Technical field
It the utility model is related to a kind of damper.
Background technology
Damper, major function are when kinematic system is moved, and relative frictional force or the viscous force of producing is to caused by motion
Resistance, so as to playing the role of sluggish trend to object, make motion that amount of decrease be presented with the time, and finally level off to zero.Therefore damp
Utensil has good shock-absorbing and pooling feature, and is widely deployed on industrial circle.The damper commonly used on the market at present,
Because poor sealing performance, the damping oil in damper, which is easily taken up, to be spilt, or because of temperature change nature seepage, through making for a long time
With, splash leakage damping oil it is dry after, not only result in pedestal periphery and be stained, and due to the damping oil storage total amount in damper by
It is decrescence few, and gradually lose shockproof buffer effect.
The content of the invention
To solve problems of the prior art, the utility model provides a kind of damper of good seal performance, housing
Riveting setting is turned in openend, and end cap and sealing ring are riveted tightly in housing, damping oil is entirely sealed in housing, the sealing
The ring baffle of set bottom blocks the damping oil being bonded on piston mandrel outer wall, prevents damping oil from taking housing out of by piston mandrel,
The gas spatial cache that gas is entered in sealing shroud by the passage of end cap upper surface, atmospheric pressure is increased to sealing shroud, makes sealing
Better seal is covered, damping oil will not leak outside.
The technical solution of the utility model is:A kind of damper, including cylinder type shell, the housing is interior to be provided with sealing group
The drive component that part, piston component and driving piston component are run up and down, the seal assembly include end cap and are set in end cap
Outer sealing shroud, the top of the end cap is provided with annular lug to be surround on ring discoid and end upper part of the cover outward flange, described
End upper part of the cover upper surface is provided with passage, and the middle part of the end cap is circular tube shaped, and the bottom of the end cap is hood-like for annular,
The middle part of the end cap is connected with the top of end cap and the bottom of end cap respectively, and the sealing shroud is tubular seals set, described
Around being provided with annular ledge on the outer wall of the upper port of sealing shroud, the lower port of the sealing shroud U-bend into sealing shroud prolongs
Stretch around collar stop is provided with the outer wall to form annular U-type groove and the free end extended, the sealing shroud is set in end cap
Gas spatial cache is provided with outside and between sealing shroud and end cap, the gas spatial cache is connected with passage, the end cap
Annular hood-like bottom in the annular U-type groove, the annular lug located at the top of annular ledge and with annular ledge phase
Support, the end suitable for reading of the housing turns over riveting and sets to form stopper slot, and the annular ledge is fastened on stopper slot.
The piston component includes valve element pad, the valve element below valve element pad and the piston being set in outside valve element,
The upper surface on the top of the valve element is ring-like end face and annular end face is provided with four annulars, the first Oil Guide of equidistant arrangement
Groove, first oil guide groove are provided with oil guiding hole, and first oil guide groove extends to inward flange by the outward flange of valve element upper surface
It is described and any two is arranged on same the first oil guide groove diametrically and extends longitudinally downward to form the second oil guide groove along inward flange
The bottom of valve element is rounding mesa-shaped, and the lower surface of the valve element bottom is provided with four annulars, the first fastener of equidistant arrangement, institute
It is tubulose to state piston, and the inwall of the upper piston area is provided with the slant setting to match with the rounding mesa-shaped lower shape of valve element
Face, the inwall of the piston lower portion are provided with three annulars, the second fastener of equidistant arrangement, and the bottom of the valve element is located at piston
Between the slant setting face on top.
The drive component includes piston mandrel, back-moving spring, spring shim, spring housing and shaft block ring, the piston
The upper end of mandrel is sequentially provided with the first locating slot, the second locating slot from top to bottom, and the shaft block ring is located in the first locating slot,
The spring housing and spring shim in the second locating slot, the lower end of the piston mandrel extend downwardly sequentially pass through end cap,
Sealing shroud, valve element pad and piston in the housing, the lower end of the piston mandrel be sequentially provided with from top to bottom the 3rd locating slot,
First buckle slot and the second buckle slot, the valve element pad is on the first locating slot, and first fastener is located at the first card
In catching groove, second fastener is in the second buckle slot.
Second oil guide groove is semicircular arc-shaped oil guide groove.
Power groove is unloaded in the upper surface of the piston provided with annular, the annular unload power groove located at upper piston area outer wall with it is interior
Between wall and parallel to outer wall.
The utility model has the advantages that:Due to taking above-mentioned technical proposal, the annular lug is located at annular
The top of lug and offseted with annular ledge, the annular ledge is fastened on the stopper slot at shell nozzle end, by end cap and close
Seal is riveted tightly in housing, damping oil is entirely sealed in housing, and the ring baffle of the sealing shroud bottom, which blocks, is bonded at work
The damping oil on mandrel outer wall is filled in, prevents damping oil from taking housing out of by piston mandrel, gas is entered by the passage of end cap upper surface
Enter the gas spatial cache in sealing shroud, atmospheric pressure is increased to sealing shroud, makes sealing shroud better seal, damping oil will not be outer
Leakage.
Brief description of the drawings
Fig. 1 is the utility model structure diagram;
Fig. 2 is cross section structure diagram when the utility model is not stressed;
Cross section structure diagram when Fig. 3 is stressed for the utility model;
Fig. 4 is the structural representation of the utility model valve element.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
As Figure 1-4, a kind of damper, including cylinder type shell 1, the housing 1 is interior to be provided with seal assembly 2, piston
The drive component 4 that component 3 and driving piston component are run about 3, the seal assembly 2 include end cap 21 and are set in end cap 21
Outer sealing shroud 22, the top 211 of the end cap 21 is annular around being provided with ring discoid and the outward flange on end cap top 211
Projection 011, the upper surface on the end cap top 211 are provided with passage 012, and the middle part 212 of the end cap 21 is circular tube shaped, institute
State that the bottom 213 of end cap 21 is hood-like for annular, the middle part 212 of the end cap 21 top 211 with end cap 21 and end cap 21 respectively
Bottom 213 be connected, the sealing shroud 22 is tubular seals set, around being provided with the outer wall of the upper port of the sealing shroud 22
Annular ledge 221, the lower port of the sealing shroud 22 U-bend into sealing shroud 22 extend to form annular U-type groove 222 and extend
Around being provided with collar stop 223 on the outer wall of the free end gone out, the sealing shroud 22 be set in outer end cap 21 and sealing shroud 22 and
Gas spatial cache 23 is provided between end cap 21, the gas spatial cache 23 is connected with passage 012, the end cap 21
The hood-like bottom 213 of annular in annular U-type groove 222, the annular lug 011 located at the top of annular ledge 221 and with
Annular ledge 221 offsets, and the end suitable for reading of the housing 1 turns over riveting and sets to form stopper slot 11, and the annular ledge 221 is fastened on limit
On the groove 11 of position.
The piston component 3 includes valve element pad 31, the valve element 32 located at the lower section of valve element pad 31 and is set in valve element 32
Outer piston 33, the upper surface on the top 321 of the valve element 32 are provided with four annulars, equidistant for ring-like end face and annular end face
First oil guide groove 021 of arrangement, first oil guide groove 021 are provided with oil guiding hole 022, and first oil guide groove 021 is by valve element
The outward flange of 32 upper surfaces extends to inward flange and any two is arranged on same the first oil guide groove 021 diametrically along inward flange
Extend longitudinally downward to form the second oil guide groove 023, the bottom 322 of the valve element 32 is rounding mesa-shaped, the valve element bottom 322
Lower surface is provided with four annulars, the first fastener 024 of equidistant arrangement, and the piston 33 is tubulose, the upper piston area 331
Inwall is provided with the slant setting face 031 to match with the shape of rounding mesa-shaped bottom 322 of valve element 32, the bottom of piston 33 it is interior
Wall is provided with three annulars, the second fastener 032 of equidistant arrangement, and the bottom 322 of the valve element is located at the inclination of upper piston area 331
Between placed side 031.
The drive component 4 includes piston mandrel 41, back-moving spring 42, spring shim 43, spring housing 44 and shaft block ring
45, the upper end of the piston mandrel 41 is sequentially provided with the first locating slot 411, the second locating slot 412, the axle gear from top to bottom
Circle 45 is in the first locating slot 411, and the spring housing 44 and spring shim 43 are in the second locating slot 412, the piston
The lower end of mandrel 41, which extends downwardly, sequentially passes through end cap 21, sealing shroud 22, the pad 31 of valve element 32 and piston 33 in housing 1,
The lower end of the piston mandrel 41 is sequentially provided with the 3rd locating slot 413, the first buckle slot 414 and the second buckle slot from top to bottom
415, on the first locating slot 411, first fastener 024 is located in the first buckle slot 414 pad 31 of valve element 32,
Second fastener 032 is in the second buckle slot 415.
Second oil guide groove 023 is semicircular arc-shaped oil guide groove.
Power groove 033 is unloaded in the upper surface of the piston 33 provided with annular, and the annular unloads power groove 033 and is located at upper piston area
Between 331 outer wall and inwall and parallel to outer wall.
The utility model has the advantages that:Due to taking above-mentioned technical proposal, the annular lug 011 is located at ring
The top of shape lug 221 and offseted with annular ledge 221, the annular ledge 221 is fastened on the stopper slot 11 of the openend of housing 1
On, end cap 21 and sealing ring are riveted tightly in housing 1, damping oil is entirely sealed in housing 1, the bottom of sealing shroud 22
Ring baffle blocks the damping oil being bonded on the outer wall of piston mandrel 41, prevents damping oil from taking housing 1, gas out of by piston mandrel 41
The gas spatial cache 23 entered by the passage 012 of the upper surface of end cap 21 in sealing shroud 22, atmospheric pressure is increased to sealing shroud 22,
Make the better seal of sealing shroud 22, damping oil will not leak outside;The semicircular arc-shaped of second oil guide groove 023 is set, and makes damping oil stream
It is clear and coherent smooth;The annular unloads power groove 033 when piston 33 receives side force, and protective housing 1 is not by squeeze crack.
Operation principle:During 44 stress of spring housing, pressed home spring 42 simultaneously drives piston mandrel 41 and buckle piston
The valve element 32 and piston 33 of the lower end of mandrel 41 are moved downward, and now valve element 32 is adjacent to the phase of piston 33, and the piston 33 is downward
Continuous squeezed air-damping oil during motion, damping oil slowly flows into close from the first oil guide groove 021 and the second oil guide groove 023
In cavity between big envelope 22 and the pad 31 of valve element 32, at the uniform velocity cushioning effect is played during this;Spring housing 44 is applied
After power releases, the recoil of spring simultaneously drives piston mandrel 41 and is buckled in the valve element 32 of plug mandrel lower end and piston 33 is transported upwards
Dynamic, now valve element 32 separates with piston 33, and damping oil flows rapidly into housing 1 and piston from the wide arc gap of valve element 32 and piston 33
In cavity between 33 so that all parts are quickly returning to initial position.
Above-described embodiment is not construed as the restriction to scope of protection of the utility model, any real based on the utility model spirit
The improvement that matter is made all should be within the scope of protection of the utility model.
Claims (5)
- A kind of 1. damper, it is characterised in that be provided with including cylinder type shell, in the housing seal assembly, piston component and The drive component for driving piston component to run up and down, the seal assembly include end cap and the sealing shroud being set in outside end cap, institute The top for stating end cap is provided with annular lug, the end upper part of the cover upper end to be surround on ring discoid and end upper part of the cover outward flange Face is provided with passage, and the middle part of the end cap is circular tube shaped, and the bottom of the end cap is annular hood-like, the middle part of the end cap It is connected respectively with the top of end cap and the bottom of end cap, the sealing shroud is tubular seals set, the upper port of the sealing shroud Outer wall on around being provided with annular ledge, the lower port of the sealing shroud U-bend into sealing shroud extends to form annular U-type groove And around collar stop is provided with the outer wall for the free end extended, the sealing shroud is set in outside end cap and sealing shroud and end cap Between be provided with gas spatial cache, the gas spatial cache is connected with passage, the annular hood-like bottom of the end cap In annular U-type groove, the annular lug located at annular ledge top and offseted with annular ledge, the housing it is suitable for reading End turns over riveting and sets to form stopper slot, and the annular ledge is fastened on stopper slot.
- 2. a kind of damper according to claim 1, it is characterised in that the piston component includes valve element pad, located at valve Valve element below core pad and the piston being set in outside valve element, the upper surface on the top of the valve element is ring-like end face and annular end Face is provided with four annulars, the first oil guide groove of equidistant arrangement, and first oil guide groove is provided with oil guiding hole, first Oil Guide Groove extends to inward flange by the outward flange of valve element upper surface and any two is arranged on same the first oil guide groove diametrically in Edge longitudinal is downwardly extending the second oil guide groove, and the bottom of the valve element is rounding mesa-shaped, the lower surface of the valve element bottom The first fastener provided with four annulars, equidistant arrangement, the piston are tubulose, and the inwall of the upper piston area is provided with and valve element The slant setting face that matches of rounding mesa-shaped lower shape, the inwall of the piston lower portion is provided with three annulars, equidistant arrangements The second fastener, the bottom of the valve element is between the slant setting face of upper piston area.
- 3. a kind of damper according to claim 1, it is characterised in that the drive component includes piston mandrel, resets bullet Spring, spring shim, spring housing and shaft block ring, the upper end of the piston mandrel are sequentially provided with the first locating slot, from top to bottom Two locating slots, the shaft block ring is in the first locating slot, and the spring housing and spring shim are in the second locating slot, institute The lower end for stating piston mandrel extends downwardly and sequentially passes through end cap, sealing shroud, valve element pad and piston in the housing, the piston The lower end of mandrel is sequentially provided with the 3rd locating slot, the first buckle slot and the second buckle slot from top to bottom, and the valve element pad is located at On first locating slot, first fastener is in the first buckle slot, and second fastener is in the second buckle slot.
- 4. a kind of damper according to claim 2, it is characterised in that second oil guide groove is semicircular arc-shaped oil guide groove.
- 5. a kind of damper according to claim 3, it is characterised in that unload power provided with annular in the upper surface of the piston Groove, the annular unload power groove between the outer wall and inwall of upper piston area and parallel to outer wall.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720882435.2U CN206943311U (en) | 2017-07-18 | 2017-07-18 | A kind of damper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201720882435.2U CN206943311U (en) | 2017-07-18 | 2017-07-18 | A kind of damper |
Publications (1)
Publication Number | Publication Date |
---|---|
CN206943311U true CN206943311U (en) | 2018-01-30 |
Family
ID=61370811
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201720882435.2U Expired - Fee Related CN206943311U (en) | 2017-07-18 | 2017-07-18 | A kind of damper |
Country Status (1)
Country | Link |
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CN (1) | CN206943311U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108662063A (en) * | 2018-06-11 | 2018-10-16 | 何亮 | A kind of damper |
CN108662062A (en) * | 2018-06-11 | 2018-10-16 | 何亮 | A kind of damper |
CN108662067A (en) * | 2018-07-20 | 2018-10-16 | 何亮 | Damper |
-
2017
- 2017-07-18 CN CN201720882435.2U patent/CN206943311U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108662063A (en) * | 2018-06-11 | 2018-10-16 | 何亮 | A kind of damper |
CN108662062A (en) * | 2018-06-11 | 2018-10-16 | 何亮 | A kind of damper |
CN108662063B (en) * | 2018-06-11 | 2024-04-19 | 湖北宏盛昌电子有限责任公司 | Damper |
CN108662067A (en) * | 2018-07-20 | 2018-10-16 | 何亮 | Damper |
CN108662067B (en) * | 2018-07-20 | 2024-03-08 | 何亮 | Damper |
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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 |
Granted publication date: 20180130 Termination date: 20200718 |
|
CF01 | Termination of patent right due to non-payment of annual fee |