CN206626211U - Circulation hydraulic damping device in a kind of - Google Patents
Circulation hydraulic damping device in a kind of Download PDFInfo
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- CN206626211U CN206626211U CN201720241572.8U CN201720241572U CN206626211U CN 206626211 U CN206626211 U CN 206626211U CN 201720241572 U CN201720241572 U CN 201720241572U CN 206626211 U CN206626211 U CN 206626211U
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Abstract
It the utility model is related to circulation hydraulic damping device in one kind, including cylinder body, upper cylinder cover, lower cylinder cap, piston, piston rod；Mainly cylinder body is made up of inner cylinder body and outer cylinder body, there is annular liquid storage cylinder between inner cylinder body external cylindrical surface and outer cylinder body inner cylindrical wall, dynamic sealing coordinates between outside piston face and the inner cylindrical wall of inner cylinder body, fast opening one-way valve is provided with lower cylinder cap, discharge orifice, Slow Close hole, the import of fast opening one-way valve connects with annular liquid storage cylinder, outlet connects with piston cavity of resorption, the both ends of the gentle closed pore of discharge orifice connect with annular liquid storage cylinder and piston cavity of resorption respectively, piston-rod lower end is formed with and the dynamic plug coordinated of discharge orifice, the balance pipe for connecting annular liquid storage cylinder and piston upper chamber is formed between inner cylinder body upper end and upper cylinder cover.Using the exchange flowing velocity of annular liquid storage intracavity liquid, realize that piston rod moves down the control of speed, have the advantages that simple in construction, leakage point is few, sealed reliable, service life are long, suitable for check-valves slow closing device.
Description
Technical field
The utility model belongs to hydraulic piston buffer unit.The utility model is applied to check-valves slow closing device.
Background technology
At present applied to the hydraulic damping device on slow closed check damper, typically using external oil pipe circulation hydraulic oil knot
Structure.The structural elements are more and numerous and diverse, are not easy to assemble, leakage point is more, poor sealing performance；External oil pipe and cylinder body take up space
Greatly, easily influenceed by environmental factor and artificial disturbance, service life is low.
The content of the invention
The purpose of this utility model is the shortcomings that presence for present technology, there is provided a kind of simple in construction, sealed reliable, is made
With the interior circulation hydraulic damping device of long lifespan.
The technical solution of the utility model includes cylinder body, upper cylinder cover, lower cylinder cap, piston, piston rod, and piston is fixedly mounted on
One end of piston rod, piston rod periphery coordinate with upper cylinder cover mesopore dynamic sealing；Mainly cylinder body is by inner cylinder body and outer cylinder body group
Into, there is annular liquid storage cylinder between inner cylinder body external cylindrical surface and outer cylinder body inner cylindrical wall, outside piston face and inner cylinder body it is interior
Dynamic sealing coordinates between cylindrical wall, is provided with fast opening one-way valve, discharge orifice, Slow Close hole in lower cylinder cap, the import of fast opening one-way valve with
The connection of annular liquid storage cylinder, outlet connect with piston cavity of resorption, the both ends of the gentle closed pore of discharge orifice respectively with annular liquid storage cylinder and piston
Cavity of resorption connects, and piston-rod lower end is formed with the plug with the dynamic cooperation of discharge orifice, and connected ring is formed between inner cylinder body upper end and upper cylinder cover
The balance pipe of shape liquid storage cylinder and piston upper chamber.
In above technical scheme, adjusting screw is provided with Slow Close hole.
The utility model has the advantages that using the exchange flowing velocity of annular liquid storage intracavity liquid, realize that piston rod moves down speed
The control of degree, reach the slowly closing to being connected to piston rod upper end check-valves, its is simple in construction, leakage point is few, sealed reliable,
Belong to long lifespan.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model
1 time cylinder cap, 2 adjusting screws, 3 Slow Close holes, 4 plugs, 5 piston cavity of resorptions, 6 fast opening one-way valves, 7 pistons, 8 outer cylinder bodies, 9
Inner cylinder body, 10 annular liquid storage cylinders, 11 piston rods, 12 piston upper chambers, 13 upper cylinder covers.
Embodiment
Interior circulation hydraulic damping device as shown in Figure 1, including cylinder body, upper cylinder cover 13, lower cylinder cap 1, piston 7, piston rod
11, piston 7 is fixedly mounted on one end of piston rod 11, and the periphery of piston rod 11 coordinates with the mesopore dynamic sealing of upper cylinder cover 13, piston
The upper end of bar 11 and the keying axis connection of controlled check-valves；Cylinder body is made up of inner cylinder body 9 and outer cylinder body 8, in the external cylindrical surface of inner cylinder body 9
There is annular liquid storage cylinder 10 between the inner cylindrical wall of outer cylinder body 8, filling liquid in the annular liquid storage cylinder 10, the periphery of piston 7 with
Dynamic sealing coordinates between the inner cylindrical wall of inner cylinder body 9, and fast opening one-way valve 6, discharge orifice, Slow Close hole 3 are provided with lower cylinder cap 1, is opened soon
The import of check valve 6 connects with annular liquid storage cylinder 10, and outlet connects with piston cavity of resorption 5, makes in annular liquid storage cylinder 10 liquid can be with
Entered by fast opening one-way valve 6 in piston cavity of resorption 5, and prevent in piston cavity of resorption 5 liquid from flowing to annular liquid storage cylinder 10, discharge orifice and
The both ends in Slow Close hole 3 connect with annular liquid storage cylinder 10 and piston cavity of resorption 5 respectively, when piston 7 moves up and down, annular liquid storage cylinder 10 with
Liquid between piston cavity of resorption 5 is eased up closed pore 3 by discharge orifice, the lower end of piston rod 11 be formed with the dynamic plug 4 coordinated of discharge orifice,
In the later stage of the process of piston 7, plug 4 is inserted in discharge orifice, and by aerial drainage hole plug, liquid can only postpone closed pore 3 in piston cavity of resorption 5
Annular liquid storage cylinder 10 is released to, the speed of releasing of liquid in piston cavity of resorption 5 is reduced, piston 7 is slowly moved down, on inner cylinder body 9
End connects the balance pipe of annular liquid storage cylinder 10 and piston upper chamber 12 with being formed between upper cylinder cover 13.Fast opening one-way valve 6 is using sealing
Ball and spring forms, and the seal receptacle in ball sealer and the fast intake channel of opening one-way valve 6 cooperates, spring be arranged on ball sealer with
Between step in the fast exit passageway of opening one-way valve 6, initial stage is moved up in piston 7, spring is made fast by the negative pressure in piston cavity of resorption 5
Opening one-way valve 6 is opened, and increases annular liquid storage cylinder 10 and the circulation passage of piston cavity of resorption 5, is improved piston 7 and is moved up speed.
Adjusting screw 2 is provided with Slow Close hole 3, changes the circulation in Slow Close hole 3 by adjusting adjusting screw 2, can control
The translational speed of piston 7.
Claims (2)
1. circulation hydraulic damping device in a kind of, including cylinder body, upper cylinder cover (13), lower cylinder cap (1), piston (7), piston rod
(11), piston (7) is fixedly mounted on one end of piston rod (11), piston rod (11) periphery and upper cylinder cover (13) mesopore dynamic sealing
Coordinate；It is characterized in that cylinder body is made up of inner cylinder body (9) and outer cylinder body (8), in inner cylinder body (9) external cylindrical surface and outer cylinder body (8)
There is annular liquid storage cylinder (10), dynamic sealing is matched somebody with somebody between piston (7) periphery and the inner cylindrical wall of inner cylinder body (9) between cylindrical wall
Close, fast opening one-way valve (6), discharge orifice, Slow Close hole (3) are provided with lower cylinder cap (1), import and the annular of fast opening one-way valve (6) are stored up
Sap cavity (10) connect, outlet connected with piston cavity of resorption (5), discharge orifice ease up closed pore (3) both ends respectively with annular liquid storage cylinder
(10) connected with piston cavity of resorption (5), piston rod (11) lower end is formed with and the dynamic plug (4) coordinated of discharge orifice, inner cylinder body (9) upper end
The balance pipe for connecting annular liquid storage cylinder (10) and piston upper chamber (12) is formed between upper cylinder cover (13).
2. interior circulation hydraulic damping device according to claim 1, it is characterized in that being provided with adjusting screw in Slow Close hole (3)
(2)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720241572.8U CN206626211U (en) | 2017-03-10 | 2017-03-10 | Circulation hydraulic damping device in a kind of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720241572.8U CN206626211U (en) | 2017-03-10 | 2017-03-10 | Circulation hydraulic damping device in a kind of |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206626211U true CN206626211U (en) | 2017-11-10 |
Family
ID=60211342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720241572.8U Active CN206626211U (en) | 2017-03-10 | 2017-03-10 | Circulation hydraulic damping device in a kind of |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206626211U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150164A (en) * | 2017-12-15 | 2018-06-12 | 西北大学 | One kind is used for oil gas field deep-well gas-liquid mixture sampler |
| CN110722096A (en) * | 2019-10-22 | 2020-01-24 | 合肥工业大学 | Wax injection device |
| CN111608991A (en) * | 2020-06-19 | 2020-09-01 | 无锡贝朗德精密机械科技有限公司 | Bidirectional speed regulation controller |
-
2017
- 2017-03-10 CN CN201720241572.8U patent/CN206626211U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108150164A (en) * | 2017-12-15 | 2018-06-12 | 西北大学 | One kind is used for oil gas field deep-well gas-liquid mixture sampler |
| CN110722096A (en) * | 2019-10-22 | 2020-01-24 | 合肥工业大学 | Wax injection device |
| CN110722096B (en) * | 2019-10-22 | 2021-04-30 | 合肥工业大学 | Wax injection device |
| CN111608991A (en) * | 2020-06-19 | 2020-09-01 | 无锡贝朗德精密机械科技有限公司 | Bidirectional speed regulation controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180413 Address after: 325102 Sanjiang Industrial Park, Yongjia County, Wenzhou, Zhejiang Patentee after: Zhejiang Bethel science and Technology Co., Ltd. Address before: Yongjia Oubei County of Wenzhou City, Zhejiang province 325102 Dong'ou Industrial Zone Patentee before: Boteli Valve Group Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325102 Sanjiang Industrial Park Yongjia County Wenzhou city Zhejiang Province Patentee after: Zhejiang bertley Technology Co.,Ltd. Address before: 325102 Sanjiang Industrial Park Yongjia County Wenzhou city Zhejiang Province Patentee before: ZHEJIANG BOTELI VALVE Group |