CN201126021Y - Radial pressing type hydraulic seal cavity - Google Patents
Radial pressing type hydraulic seal cavity Download PDFInfo
- Publication number
- CN201126021Y CN201126021Y CNU200720009047XU CN200720009047U CN201126021Y CN 201126021 Y CN201126021 Y CN 201126021Y CN U200720009047X U CNU200720009047X U CN U200720009047XU CN 200720009047 U CN200720009047 U CN 200720009047U CN 201126021 Y CN201126021 Y CN 201126021Y
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- pressure
- hydraulic pressure
- hydraulic
- radially
- housing
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Abstract
The utility model discloses a radial-pressurization hydraulic sealing chamber, which is composed by a shell, a gland and a hydraulic pressure regulating and storing device, characterized in that inner wall of a radial-pressurization hydraulic ring fixed in the shell, relevant inner wall of the gland and relevant inner wall of the shell surround to form the sealing chamber which is internally provided with sealing materials, the hydraulic pressure regulating and storing device is connected to the shell. Middle operation portion of the radial-pressurization hydraulic ring retracts towards the circle centre direction under the influence of hydraulic pressure to pressurize the sealing materials within the sealing chamber by inputting hydraulic liquid via the hydraulic pressure regulating and storing device, so that the sealing materials generate vertical pressure to an optical rod or shaft surface in order to prevent the medium such as crude oil or gas within the oil well from leaking outwardly. The sealing materials in the filling type sealing device of the utility model have the uniformly-distributed pressure acting on the shaft surface, the pressure of the sealing materials acting on the shaft surface can be regulated, and the utilization rate of the sealing materials are greatly improved.
Description
Affiliated technical field:
The utility model relates to the radially pressing type hydraulic seal chamber in the material filling type shaft sealer of equipment such as a kind of reciprocating pump that is applied to oil well wellhead equipment polished rod sealer and other industrial uses, reactor, rotary pump, valve, especially belongs to the radially pressing type hydraulic seal chamber in a kind of material filling type shaft sealer.
Background technique:
The polished rod sealer of oil field sucker rod pumping machine and the reciprocating pump of other industrial uses, reactor, rotary pump, the material filling type shaft sealer of equipment such as valve, generally all adopt the rigid seal chamber, the sealing material that wherein seals relies on the axial pressure of gland, convert the radial pressure that vertically acts on the axle surface to, play the effect of sealing, stop medium to external leakage, it is inhomogeneous that the shortcoming one of this seal form is that sealing material acts on the pressure distribution on axle surface, the 2nd, sealing material acts on the not directly accurate regulating and controlling of pressure size on axle surface, and the 3rd, the utilization ratio of sealing material is lower.
Summary of the invention:
The purpose of this utility model is to provide a kind of sealing effect of material filling type shaft sealer that can make more reliable, prolongs sealing material working life, the radially pressing type hydraulic seal chamber of improving the sealing material utilization ratio.
The purpose of this utility model is achieved in that described radially pressing type hydraulic seal chamber, it is mainly by housing, gland and hydraulic pressure pressure regulation storage pressure device constitute, its structural feature is that it is by the madial wall that is fixed on the hydraulic pressure ring of radially exerting pressure in the housing and the respective side inwall of gland, the respective side inwall of housing surrounds the Seal cage of dress sealing material in the energy, the described hydraulic pressure ring of radially exerting pressure is fixed on the inner walls relative with the hydraulic pressure ring of radially exerting pressure by positioning ring, and gland is housed on housing, two ends and the opposite side inwall of housing of hydraulic pressure ring outer side wall of radially exerting pressure closely contacts the hydraulic pressure cavity of the sealing that is constituted between the opposite side inwall of formation by radially exert pressure hydraulic pressure ring outer side wall and housing, and described hydraulic pressure pressure regulation storage pressure device is connected on the housing and its hydraulic fluid passes in the hydraulic pressure cavity of the sealing that is constituted between the opposite side inwall by radially exert pressure hydraulic pressure ring outer side wall and housing.The utility model stores up the pressure device input hydraulic pressure to hydraulic pressure cavity by the hydraulic pressure pressure regulation, exerted pressure to the sealing material in the Seal cage to the contraction of center of circle direction under the effect of hydraulic pressure in the working position of the hydraulic pressure ring of radially exerting pressure, make sealing material produce vertical pressure, reach the crude oil that stops medium such as oil well inside or gas purpose to external leakage to polished rod or axle surface.
The purpose of this utility model can also be achieved through the following technical solutions, described radially pressing type hydraulic seal chamber, its characteristics are that the described hydraulic pressure ring of radially exerting pressure is that radially exert pressure hydraulic pressure ring and its side that is positioned at hydraulic pressure cavity of tool elastic extension is provided with groove or the network-like communication paths or the latticed communication paths that can make the hydraulic fluid circulation.The hydraulic pressure ring of radially exerting pressure of tool elastic extension can be exerted pressure to the sealing material in the Seal cage to the contraction of center of circle direction under the effect of hydraulic pressure, and the pressure that hydraulic fluid circulation groove which is provided with or network-like communication paths or latticed communication paths all can make the sealing material of being exerted pressure act on polished rod or axle surface is evenly distributed.By hydraulic pressure pressure regulation storage pressure device input hydraulic pressure, exerted pressure to the sealing material in the Seal cage to the contraction of center of circle direction under the effect of hydraulic pressure in the middle working position of the hydraulic pressure ring of radially exerting pressure, make sealing material produce vertical pressure, reach the crude oil that stops medium such as oil well inside or gas purpose to external leakage to polished rod or axle surface.The utility model can be widely used in the oil-field oil pumper polished rod sealer, in the shaft sealer of equipment such as reciprocating pump, reactor, rotary pump, valve.
Advantage of the present utility model: by hydraulic pressure pressure regulation storage pressure device input hydraulic pressure, middle working position inside contraction under the effect of hydraulic pressure of the hydraulic pressure ring of radially exerting pressure exerted pressure to the sealing material in the Seal cage, make sealing material produce vertical pressure, reach the crude oil that stops medium such as oil well inside or gas purpose to external leakage to polished rod or axle surface.Use the material filling type shaft sealer in this radially pressing type hydraulic seal chamber, the pressure that sealing material wherein acts on the axle surface is evenly distributed, sealing material acts on the pressure size on axle surface can regulating and controlling, and the utilization ratio of sealing material improves greatly.Therefore, compare, adopt radially that the material filling type shaft sealer in pressing type hydraulic seal chamber has bigger superiority, have a extensive future with the material filling type shaft sealer in traditional employing rigid seal chamber.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
Among the figure: housing 1, the hydraulic pressure ring 2 of radially exerting pressure, hydraulic pressure pressure regulation storage pressure device 3, positioning ring 4, gland 5, sealing material 6, hydraulic pressure cavity 7.
Embodiment:
Below in conjunction with drawings and Examples structure of the present utility model and working principle and working procedure are elaborated:
As shown in Figure 1, described radially pressing type hydraulic seal chamber, it is mainly by housing 1, gland 5 and hydraulic pressure pressure regulation storage pressure device 3 constitute, polished rod or axle are from gland 5, the center hole of housing 1 passes, its structural feature for it by radially exert pressure hydraulic pressure ring 2 madial walls and gland 5 respective side inwalls, the respective side inwall of housing 1 surrounds the Seal cage of dress sealing material 6 in the energy, the described hydraulic pressure ring 2 of radially exerting pressure is fixed on housing 1 inwall relative with the hydraulic pressure ring 2 of radially exerting pressure by positioning ring 4, general positioning ring 4 is connected with housing 1 inner thread, and gland 5 is housed at housing 1, gland 5 generally is installed on the housing 1 by screw thread or bolt, two ends and the opposite side inwall of housing 1 of hydraulic pressure ring 2 outer side walls of radially exerting pressure closely contacts the hydraulic pressure cavity 7 of the sealing that is constituted between the opposite side inwall of formation by radially exert pressure hydraulic pressure ring 2 outer side walls and housing 1, described hydraulic pressure pressure regulation storage pressure device 3 is connected on the housing 1 and its hydraulic fluid passes in the hydraulic pressure cavity 7 of the sealing that is constituted between the opposite side inwall by radially exert pressure hydraulic pressure ring 2 outer side walls and housing 1, hydraulic pressure pressure regulation storage pressure device 3 can prepare for the prior art personnel, generally comprise oil hydraulic cylinder in the structure, piston, the storage pressing spring, pressure-regulating device, compositions such as hydraulic fluid gateway and pressure gauge, in hydraulic pressure cavity 7, and adjust and control fluid pressure in the hydraulic pressure cavity as required by pressure-regulating device or piston input hydraulic pressure liquid.The utility model acts on the hydraulic pressure ring 2 of radially exerting pressure by hydraulic pressure pressure regulation storage pressure device 3 input hydraulic pressures to hydraulic pressure cavity 7, exerted pressure to the sealing material in the Seal cage 6 to the contraction of center of circle direction under the effect of hydraulic pressure in the middle working position of the hydraulic pressure ring 2 of radially exerting pressure, make sealing material 6 produce vertical pressure, reach the crude oil that stops medium such as oil well inside or gas purpose to external leakage to polished rod or axle surface.The hydraulic pressure ring 2 of radially exerting pressure is made by the elastic material that rubber etc. has good stretchability, two ends and the inwall of housing 1 of hydraulic pressure ring 2 of radially exerting pressure closely contacts and forms sealing, constitute the hydraulic pressure cavity 7 of sealing, the close side of the middle part of the hydraulic pressure ring 2 of radially exerting pressure and inner walls is provided with groove or network-like communication paths or the latticed communication paths that makes liquid communication.By hydraulic pressure pressure regulation storage pressure device 3 input hydraulic pressure liquid, working position inside contraction under the effect of hydraulic pressure of the hydraulic pressure ring 2 of radially exerting pressure exerted pressure to the sealing material in the Seal cage 6, make sealing material 6 produce vertical pressure, reach the crude oil that stops medium such as oil well inside or gas purpose to external leakage to polished rod or axle surface.Radially pressing type hydraulic seal of the present utility model chamber is installed in by the joint on the housing 1 on the position of shaft sealer of equipment, for example be installed on the oil recovery well well head, Placement can adopt and be threaded, and flange connects or is welded to connect, and can depend on actual need and decides.Radially pressing type hydraulic seal of the present utility model chamber, the pressure that acts on polished rod or axle surface that sealing material 6 in the Seal cage of material filling type shaft sealer is produced is evenly distributed, and make sealing material 6 act on the pressure size on polished rod or axle surface can regulating and controlling, and since radially pressing type hydraulic seal chamber have stretchability, make the utilization ratio of sealing material 6 improve greatly.Radially pressing type hydraulic seal of the present utility model chamber can be widely used in the oil-field oil pumper polished rod sealer, in the shaft sealer of equipment such as reciprocating pump, reactor, rotary pump, valve.
Claims (2)
1, a kind of radially pressing type hydraulic seal chamber, it is mainly by housing (1), gland (5) and hydraulic pressure pressure regulation storage pressure device (3) constitute, it is characterized in that it is by the madial wall that is fixed on the hydraulic pressure ring (2) of radially exerting pressure in the housing (1) and the respective side inwall of gland (5), the respective side inwall of housing (1) surrounds the Seal cage of dress sealing material in the energy, the described hydraulic pressure ring (2) of radially exerting pressure is fixed on housing (1) inwall relative with the hydraulic pressure ring (2) of radially exerting pressure by positioning ring (4), and gland (5) is housed on housing (1), two ends and the opposite side inwall of housing (1) of hydraulic pressure ring (2) outer side wall of radially exerting pressure closely contacts the hydraulic pressure cavity of the sealing that is constituted between the opposite side inwall of formation by radially exert pressure hydraulic pressure ring (2) outer side wall and housing (1), and described hydraulic pressure pressure regulation storage pressure device (3) is connected that housing (1) is gone up and its hydraulic fluid passes in the hydraulic pressure cavity of the sealing that is constituted between the opposite side inwall by radially exert pressure hydraulic pressure ring (2) outer side wall and housing (1).
2, radially pressing type hydraulic seal according to claim 1 chamber is characterized in that the described hydraulic pressure ring (2) of radially exerting pressure is provided with groove or the network-like communication paths or the latticed communication paths that can make the hydraulic fluid circulation for radially exert pressure hydraulic pressure ring and its side that is positioned at hydraulic pressure cavity of tool elastic extension.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720009047XU CN201126021Y (en) | 2007-12-11 | 2007-12-11 | Radial pressing type hydraulic seal cavity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720009047XU CN201126021Y (en) | 2007-12-11 | 2007-12-11 | Radial pressing type hydraulic seal cavity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201126021Y true CN201126021Y (en) | 2008-10-01 |
Family
ID=39999490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720009047XU Expired - Fee Related CN201126021Y (en) | 2007-12-11 | 2007-12-11 | Radial pressing type hydraulic seal cavity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201126021Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883736A (en) * | 2014-03-03 | 2014-06-25 | 浙江长城减速机有限公司 | Fluid pressure packing seal device of rotary shaft |
| CN105728379A (en) * | 2016-04-12 | 2016-07-06 | 中国铁建重工集团有限公司 | Cleaning device for washing shield tunneling machine cutterhead and sealing device thereof |
| CN106680026A (en) * | 2017-03-10 | 2017-05-17 | 田培 | Coring device for concrete detection |
| CN108799503A (en) * | 2018-08-03 | 2018-11-13 | 张家港市隆和氨纶纱有限公司 | A kind of rotation axis seal structure in spandex production |
| CN111589390A (en) * | 2020-06-02 | 2020-08-28 | 无锡职业技术学院 | Shaft seal device suitable for stirring shaft of ultrahigh pressure reaction kettle |
-
2007
- 2007-12-11 CN CNU200720009047XU patent/CN201126021Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883736A (en) * | 2014-03-03 | 2014-06-25 | 浙江长城减速机有限公司 | Fluid pressure packing seal device of rotary shaft |
| CN105728379A (en) * | 2016-04-12 | 2016-07-06 | 中国铁建重工集团有限公司 | Cleaning device for washing shield tunneling machine cutterhead and sealing device thereof |
| CN106680026A (en) * | 2017-03-10 | 2017-05-17 | 田培 | Coring device for concrete detection |
| CN106680026B (en) * | 2017-03-10 | 2021-01-08 | 青岛润鑫腾建材科技有限公司 | Concrete detects uses coring device |
| CN108799503A (en) * | 2018-08-03 | 2018-11-13 | 张家港市隆和氨纶纱有限公司 | A kind of rotation axis seal structure in spandex production |
| CN111589390A (en) * | 2020-06-02 | 2020-08-28 | 无锡职业技术学院 | Shaft seal device suitable for stirring shaft of ultrahigh pressure reaction kettle |
| CN111589390B (en) * | 2020-06-02 | 2021-10-26 | 无锡职业技术学院 | Shaft seal device suitable for stirring shaft of ultrahigh pressure reaction kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081001 Termination date: 20141211 |
|
| EXPY | Termination of patent right or utility model |