CN208348211U - A kind of oil cylinder buffering safeguard - Google Patents
A kind of oil cylinder buffering safeguard Download PDFInfo
- Publication number
- CN208348211U CN208348211U CN201820970089.8U CN201820970089U CN208348211U CN 208348211 U CN208348211 U CN 208348211U CN 201820970089 U CN201820970089 U CN 201820970089U CN 208348211 U CN208348211 U CN 208348211U
- Authority
- CN
- China
- Prior art keywords
- conveyance conduit
- end cap
- piston
- hydraulic cylinder
- fixed end
- 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
Links
- 230000003139 buffering effect Effects 0.000 title claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 31
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001771 impaired effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 19
- 239000010720 hydraulic oil Substances 0.000 description 17
- POIUWJQBRNEFGX-XAMSXPGMSA-N cathelicidin Chemical compound C([C@@H](C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CO)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H]([C@@H](C)CC)C(=O)NCC(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](C(C)C)C(=O)N[C@@H](CCC(N)=O)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CCCCN)C(=O)N[C@@H](CC(O)=O)C(=O)N[C@@H](CC=1C=CC=CC=1)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H](CC(N)=O)C(=O)N[C@@H](CC(C)C)C(=O)N[C@@H](C(C)C)C(=O)N1[C@@H](CCC1)C(=O)N[C@@H](CCCNC(N)=N)C(=O)N[C@@H]([C@@H](C)O)C(=O)N[C@@H](CCC(O)=O)C(=O)N[C@@H](CO)C(O)=O)NC(=O)[C@H](CC=1C=CC=CC=1)NC(=O)[C@H](CC(O)=O)NC(=O)CNC(=O)[C@H](CC(C)C)NC(=O)[C@@H](N)CC(C)C)C1=CC=CC=C1 POIUWJQBRNEFGX-XAMSXPGMSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Actuator (AREA)
Abstract
The utility model discloses a kind of oil cylinder buffering safeguards, including preceding fixed end cap, piston push rod, flowline, second sealing ring, third conveyance conduit, the preceding fixing end, which covers, is provided with the first sealing ring, fixed end cap side is provided with hydraulic cylinder before described, the hydraulic cylinder outer upper ends are provided with inflow pipeline, the inflow pipeline side is provided with the flowline, end cap is fixed after being provided in the hydraulic cylinder side, fixed end cap is internally provided with second throttle after described, the second throttle is arranged on the third conveyance conduit, third conveyance conduit side is provided with the second conveyance conduit, second conveyance conduit upper end is provided with first throttle valve.Beneficial effect is: can effectively reduce the noise and vibration that piston generates during the motion, alleviate the impaired of the related components such as matched hydraulic cylinder, improve the service life of workpiece, save cost for enterprise.
Description
Technical field
The utility model relates to hydraulic cylinder production fields, more particularly to a kind of oil cylinder buffering safeguard.
Background technique
Hydraulic cylinder is that hydraulic energy is changed into mechanical energy, the hydraulic of straight reciprocating motion (or pendulum motion) is done and executes member
Part, its structure is simple, reliable operation, when realizing reciprocating motion, can remove deceleration device from it, and without drive gap,
Movement is steady, therefore is used widely in the hydraulic system of various machinery, when hydraulic cylinder makees high speed reciprocating motion, has very
Big momentum, in this way in the terminal of stroke, if piston and fixed end cap generate mechanical collision, it will generate very big impact and
Noise, the generation of this mechanical shock can not only cause the damage of hydraulic cylinder each section, but also seriously affect and be attached thereto pipeline
And valve class, if being not provided with buffer unit, related components matched over time will be damaged, reduce oil cylinder
Performance.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of oil cylinder buffering safeguard, this
Utility model has manufacturing cost low, the simple feature of structure.
The utility model achieves the above object through the following technical schemes:
A kind of oil cylinder buffering safeguard, including preceding fixed end cap, piston push rod, flowline, the second sealing ring,
Three conveyance conduits, the preceding fixing end, which covers, is provided with the first sealing ring, and fixed end cap side is provided with hydraulic cylinder before described,
The hydraulic cylinder outer upper ends are provided with inflow pipeline, and the inflow pipeline side is provided with the flowline, the liquid
End cap is fixed in cylinder pressure body side after being provided with, fixed end cap is internally provided with second throttle, the second throttle after described
It is arranged on the third conveyance conduit, third conveyance conduit side is provided with the second conveyance conduit, second conveying
Pipeline upper end is provided with first throttle valve, and second conveyance conduit side is provided with the first conveyance conduit, second conveying
Pipeline and third conveyance conduit lower end are provided with main delivery pipe, and the main delivery pipe lower end is provided with the 4th delivery pipe
Road, the main delivery pipe side are provided with location hole, and the location hole side is provided with piston, is arranged on the piston
The second sealing ring is stated, the piston side is provided with the piston push rod, and fixed end cap is internally provided with guide sleeve before described, institute
It states guide sleeve and is internally provided with third sealing ring, third sealing ring side is provided with dustband, inside the hydraulic cylinder
Working cavities are provided with, the flowline is welded on the hydraulic cylinder upper end, and the piston push rod is welded on the piston
On, fixed end cap and the guide sleeve are interference fits before described, and the piston push rod is to be slidably connected with the guide sleeve, institute
It states the first sealing ring and is embedded in the preceding fixing end and cover, second sealing ring is embedded on the piston.
In above structure, hydraulic power unit delivers into hydraulic oil in the working cavities by the inflow pipeline
Portion, due to there is second sealing ring on the piston, the working cavities are separated into two working chambers by the piston, when
When the working chamber on the left side that hydraulic oil enters the piston by the inflow pipeline, hydraulic oil push the piston with it is described
Piston push rod moves right, and when the piston enters the location hole, a part of hydraulic oil passes through the main delivery pipe point
Not Jin Ru second conveyance conduit, inside the third conveyance conduit, pass through the first throttle valve, the second throttle
Discharge flows back into hydraulic power unit, reduces the speed of the piston, plays the role of buffering, another part hydraulic oil from
The flowline outflows back in hydraulic power unit.
In order to further increase the service life of oil cylinder, fixed end cap is bolted on the hydraulic cylinder before described
On.
In order to further increase the service life of oil cylinder, fixed end cap is bolted on the hydraulic cylinder after described
On.
In order to further increase the service life of oil cylinder, the first throttle valve and second conveyance conduit pass through screw thread
Connection.
In order to further increase the service life of oil cylinder, the second throttle and the third conveyance conduit pass through screw thread
Connection.
In order to further increase the service life of oil cylinder, the piston is to be slidably connected with the working cavities.
In order to further increase the service life of oil cylinder, the inflow pipeline is welded on the hydraulic cylinder.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, the noise and vibration that piston generates during the motion can be effectively reduced；
2, the service life of the device is improved；
3, cost is saved for enterprise, brings benefit.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of oil cylinder buffering safeguard described in the utility model；
Fig. 2 is a kind of axonometric drawing of oil cylinder buffering safeguard described in the utility model；
Fig. 3 is a kind of part drawing of the piston of oil cylinder buffering safeguard described in the utility model；
Fig. 4 is a kind of part drawing of the fixation end cap of oil cylinder buffering safeguard described in the utility model.
The reference numerals are as follows:
1, preceding fixed end cap；2, the first sealing ring；3, inflow pipeline；4, guide sleeve；5, hydraulic cylinder；6, working cavities；
7, flowline；8, the first conveyance conduit；9, first throttle valve；10, second throttle；11, the second conveyance conduit；12, third
Conveyance conduit；13, main delivery pipe；14, the 4th conveyance conduit；15, location hole；16, the second sealing ring；17, piston；18, after
Fixed end cap；19, third sealing ring；20, dustband；21, piston push rod.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As Figure 1-Figure 4, a kind of oil cylinder buffering safeguard, including it is preceding fixed end cap 1, piston push rod 21, fuel-displaced
Pipeline 7, the second sealing ring 16, third conveyance conduit 12 are provided with the first sealing ring 2 on preceding fixed end cap 1, are used as sealing, preceding
Fixed 1 side of end cap is provided with hydraulic cylinder 5, is used as installation piston 17 and piston push rod 21, the setting of 5 outer upper ends of hydraulic cylinder
There is inflow pipeline 3, be used as conveying hydraulic oil, 3 side of inflow pipeline is provided with flowline 7, is used as output hydraulic pressure oil, hydraulic cylinder
End cap 18 is fixed after being provided in 5 side of body, and rear fixed end cap 18 is internally provided with second throttle 10, is used as and controls hydraulic oil stream
Size is measured, second throttle 10 is arranged on third conveyance conduit 12, and 12 side of third conveyance conduit is provided with the second delivery pipe
Road 11 is used as conveying hydraulic oil, and 11 upper end of the second conveyance conduit is provided with first throttle valve 9, and it is big to be used as control hydraulic fluid flow rate
Small, 11 side of the second conveyance conduit is provided with the first conveyance conduit 8, is used as conveying hydraulic oil, the second conveyance conduit 11 and third
12 lower end of conveyance conduit is provided with main delivery pipe 13, is used as conveying hydraulic oil, it is defeated that 13 lower end of main delivery pipe is provided with the 4th
Pipeline 14 is sent, conveying hydraulic oil is used as, 13 side of main delivery pipe is provided with location hole 15, and 15 side of location hole is provided with piston
17, it is used as and pushes piston push rod 21 mobile, be provided with the second sealing ring 16 on piston 17, is used as sealing, the setting of 17 side of piston
There is piston push rod 21, preceding fixed end cap 1 is internally provided with guide sleeve 4, and guide sleeve 4 is internally provided with third sealing ring 19, is used as
Sealing, 19 side of third sealing ring are provided with dustband 20, and hydraulic cylinder 5 is internally provided with working cavities 6, are used as hydraulic oil and exist
Its internal disengaging, flowline 7 are welded on 5 upper end of hydraulic cylinder, have welded connection and firm effect, and piston push rod 21 welds
On piston 17, welded connection and firm effect, preceding fixed end cap 1 and guide sleeve 4 are interference fits, piston push rod 21 with
Guide sleeve 4 is to be slidably connected, and before being embedded on fixed end cap 1, the second sealing ring 16 is embedded on piston 17 the first sealing ring 2.
In above structure, hydraulic power unit delivers into hydraulic oil inside working cavities 6 by inflow pipeline 3, due to
There is the second sealing ring 16 on piston 17, working cavities 6 are separated into two working chambers by piston 17, when hydraulic oil passes through oil inlet pipe
When road 3 enters the working chamber on the left side of piston 17, hydraulic oil pushes piston 17 to move right with piston push rod 21, when piston 17
When into location hole 15, a part of hydraulic oil respectively enters the second conveyance conduit 11, third delivery pipe by main delivery pipe 13
Inside road 12, is flowed back into hydraulic power unit by first throttle valve 9, the discharge of second throttle 10, drop the speed of piston 17
It is low, play the role of buffering, another part hydraulic oil outflows back in hydraulic power unit from flowline 7.
In order to further increase the service life of oil cylinder, preceding fixed end cap 1 is bolted on hydraulic cylinder 5, spiral shell
It tethers and connects easy for removal and installation, rear fixed end cap 18 is bolted on hydraulic cylinder 5, first throttle valve 9 and second
Conveyance conduit 11 is connected through a screw thread, and threaded connection is easily installed and dismantles, and second throttle 10 and third conveyance conduit 12 are logical
Threaded connection is crossed, piston 17 is to be slidably connected with working cavities 6, and inflow pipeline 3 is welded on hydraulic cylinder 5, and welding makes to connect
More fasten.
The basic principles and main features and advantage of the utility model have been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.
Claims (7)
1. a kind of oil cylinder buffering safeguard, it is characterised in that: including preceding fixed end cap (1), piston push rod (21), flowline
Road (7), the second sealing ring (16), third conveyance conduit (12) are provided with the first sealing ring (2) on fixed end cap (1) before described,
Fixed end cap (1) side is provided with hydraulic cylinder (5) before described, and hydraulic cylinder (5) outer upper ends are provided with inflow pipeline
(3), inflow pipeline (3) side is provided with the flowline (7), and hydraulic cylinder (5) side is fixed after being provided with
End cap (18), fixed end cap (18) are internally provided with second throttle (10) after described, and second throttle (10) setting exists
On the third conveyance conduit (12), third conveyance conduit (12) side is provided with the second conveyance conduit (11), and described
Two conveyance conduits (11) upper end is provided with first throttle valve (9), and the second conveyance conduit (11) side is provided with the first conveying
Pipeline (8), second conveyance conduit (11) and third conveyance conduit (12) lower end are provided with main delivery pipe (13), institute
It states main delivery pipe (13) lower end and is provided with the 4th conveyance conduit (14), main delivery pipe (13) side is provided with location hole
(15), location hole (15) side is provided with piston (17), and second sealing ring (16) is provided on the piston (17),
Piston (17) side is provided with the piston push rod (21), and fixed end cap (1) is internally provided with guide sleeve (4) before described,
The guide sleeve (4) is internally provided with third sealing ring (19), and third sealing ring (19) side is provided with dustband (20),
The hydraulic cylinder (5) is internally provided with working cavities (6), and the flowline (7) is welded on the hydraulic cylinder (5)
End, the piston push rod (21) are welded on the piston (17), and fixed end cap (1) and the guide sleeve (4) was before described
It is full of cooperation, the piston push rod (21) and the guide sleeve (4) are to be slidably connected, and first sealing ring (2) is embedded in described
On preceding fixed end cap (1), second sealing ring (16) is embedded on the piston (17).
2. a kind of oil cylinder buffering safeguard according to claim 1, it is characterised in that: before described fixed end cap (1)
It is bolted on the hydraulic cylinder (5).
3. a kind of oil cylinder buffering safeguard according to claim 1, it is characterised in that: after described fixed end cap (18)
It is bolted on the hydraulic cylinder (5).
4. a kind of oil cylinder buffering safeguard according to claim 1, it is characterised in that: the first throttle valve (9)
It is connected through a screw thread with second conveyance conduit (11).
5. a kind of oil cylinder buffering safeguard according to claim 1, it is characterised in that: the second throttle (10)
It is connected through a screw thread with the third conveyance conduit (12).
6. a kind of oil cylinder buffering safeguard according to claim 1, it is characterised in that: the piston (17) with it is described
Working cavities (6) are to be slidably connected.
7. a kind of oil cylinder buffering safeguard according to claim 1, it is characterised in that: inflow pipeline (3) weldering
It connects on the hydraulic cylinder (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820970089.8U CN208348211U (en) | 2018-06-22 | 2018-06-22 | A kind of oil cylinder buffering safeguard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820970089.8U CN208348211U (en) | 2018-06-22 | 2018-06-22 | A kind of oil cylinder buffering safeguard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208348211U true CN208348211U (en) | 2019-01-08 |
Family
ID=64881733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820970089.8U Expired - Fee Related CN208348211U (en) | 2018-06-22 | 2018-06-22 | A kind of oil cylinder buffering safeguard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208348211U (en) |
-
2018
- 2018-06-22 CN CN201820970089.8U patent/CN208348211U/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 |
Granted publication date: 20190108 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |