CN206320367U - A kind of general conical surface seal pressure measuring tie-in of gas-liquid - Google Patents
A kind of general conical surface seal pressure measuring tie-in of gas-liquid Download PDFInfo
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- CN206320367U CN206320367U CN201621427907.7U CN201621427907U CN206320367U CN 206320367 U CN206320367 U CN 206320367U CN 201621427907 U CN201621427907 U CN 201621427907U CN 206320367 U CN206320367 U CN 206320367U
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Abstract
The utility model is related to a kind of general conical surface seal pressure measuring tie-in of gas-liquid, including joint pedestal and valve component, the upper end of the joint pedestal, which is provided with internal thread hole, valve component, is provided with external screw thread, and valve component is fixedly connected by external screw thread with the internal thread hole of joint pedestal；The valve component includes valve body pedestal, back-up ring, small O-ring, valve core, valve element circle, valve core case and compression spring, the upper end of the valve core is provided with sealing cone, sealing cone is engaged with the internal conical surface of the conical through-hole of valve body pedestal, the lateral surface of the valve element circle is circular conical surface, center is through hole, and the circular conical surface of valve element circle is engaged with the internal conical surface of the conical through-hole of valve body pedestal；Plastic deformation is contacted with metal under pressure using the sealing cone of valve core, reaches that certain sealing surface is wide and seal pressure, while being used cooperatively with sealed valve core circle, effective sealing of pressure measuring tie-in is realized under double action.
Description
Technical field
The utility model is related to a kind of hydraulic components, the general cone of the gas-liquid particularly with hydropneumatic non-return valve function
Face seals pressure measuring tie-in.
Background technology
At present, the internal structure of pressure measuring tie-in has two kinds of ball sealing and piston column sealing, and ball sealing pressure measuring tie-in passes through steel
Sealing is realized in the hard contact of ball and check valve body, and this sealing means can be realized to work under 63Mpa rated pressure, but and steel
The requirement on machining accuracy for the valve body sphere that ball coordinates is very high, and under fierce market competition environment, manufacturer strictly controls
Processing cost, results in that Reliability comparotive is poor, and ball sealing is not good to the sealing property of gas, and defect rate is high；Piston boit is close
Seal pressure measuring tie-in and sealing is realized by the soft contact of the O-ring on piston boit and check valve body, this sealing means is to the close of gas-liquid
Seal reliability high, defect rate is low, but react insensitive, manufacturing cost is higher, and O-ring holds the specified pressure that can't stand 63Mpa
Power, can only typically work under 30Mpa pressure, while the synthetic rubber that O-ring is used is in temperature and the double action of high pressure
Lower meeting accelerated ageing, easily causes seal failure to cause leakage.
Utility model content
It is reliable that technical problem to be solved in the utility model is to provide a kind of structure, it is easy to processes, lower-cost gas
The general conical surface seal pressure measuring tie-in of liquid.
In order to solve the above technical problems, the utility model is realized in the following way：It is described in the utility model
A kind of general conical surface seal pressure measuring tie-in of gas-liquid includes joint pedestal and valve component, in the upper end of the joint pedestal is provided with
External screw thread is provided with screwed hole, valve component, valve component is fixedly connected by external screw thread with the internal thread hole of joint pedestal；
The lower surface of hexagonal cylinder in the middle part of the joint pedestal, which is left, be provided with annular groove, annular groove ED circles；The valve body
The external screw thread upper end of component sets fluted, and ladder boss, groove and ladder boss are provided with the internal thread hole of joint pedestal
Between be provided with big O-ring；The valve component includes valve body pedestal, back-up ring, small O-ring, valve core, valve element circle, valve core case
And compression spring, the upper end center of the valve body pedestal be provided with small stair hole, small stair hole on step surface be provided with it is small O-shaped
Circle, the upper end of small O-ring is provided with back-up ring, to avoid small O-ring from moving axially, upper end and the folding at the top of valve body pedestal of back-up ring
Curved metal edges are in contact, to prevent the axial movement of Sealing shield ring；The lower end of the valve body pedestal is provided with compression spring cylindrical cavity, pressure
Pass through conical through-hole transition between contracting Hyatt chamber and small stair hole；The compression spring is arranged at compression spring cylindrical cavity
Interior, compression spring is two ends and tightly polishes spring, and one end and the valve core case bottom stage face of compression spring are fixed by socket, the other end
It is in contact with the bending metal edges of valve body base bottom, to prevent that the axial movement of compression spring from departing from compression spring cylindrical cavity,
The centre of the valve core case is provided with through hole；The upper end of the valve core is provided with sealing cone, sealing cone and valve body pedestal
The internal conical surface of conical through-hole is engaged, and the sealing cone lower end of valve core is socketed with two sections of multi-diameter shafts, epimere multi-diameter shaft
In valve element circle, the through hole of hypomere multi-diameter shaft insertion valve core case, the upper surface and the lower end of valve element circle and epimere multi-diameter shaft of valve core case
It is abutted against in face；The lateral surface of the valve element circle is circular conical surface, and center is through hole, and the circular conical surface of valve element circle leads to the taper of valve body pedestal
The internal conical surface in hole is engaged.
Good effect of the present utility model：The general conical surface seal pressure measuring tie-in of a kind of gas-liquid described in the utility model utilizes valve
The sealing cone of core body contacts plastic deformation with metal under pressure, reaches that certain sealing surface is wide and seal pressure, together
When used cooperatively with sealed valve core circle, effective sealing of pressure measuring tie-in, processing of the circular conical surface than sphere are realized under double action
It is required that low, processing cost is easily controllable, while sealed valve core circle uses the high voltage bearing macromolecule material of anti-aging, can be in 63Mpa
Pressure under normal work, so as to realize that pressure measuring tie-in is showed the excellent sealing of gas and highly pressurised liquid.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is overall structure diagram of the present utility model
Fig. 2 is the structural representation of valve component
In figure, 1, joint pedestal 2, valve component 3, big O-ring 4, ED circle
5th, valve body pedestal 6, back-up ring 7, small O-ring 8, valve core
9th, valve element circle 10, valve core case 11, compression spring.
Embodiment
As shown in Figure 1 and Figure 2, a kind of general conical surface seal pressure measuring tie-in of gas-liquid described in the utility model includes joint pedestal
（1）And valve component（2）, the joint pedestal（1）Upper end be provided with internal thread hole, valve component（2）On be provided with outer spiral shell
Line, valve component（2）Pass through external screw thread and joint pedestal（1）Internal thread hole be fixedly connected；The joint pedestal（1）Middle part
The lower surface of hexagonal cylinder, which is left, be provided with annular groove, annular groove ED circles（4）；The valve component（2）External screw thread
Upper end sets fluted, joint pedestal（1）Internal thread hole in be provided with ladder boss, be provided between groove and ladder boss
Big O-ring（3）；The valve component（2）Including valve body pedestal（5）, back-up ring（6）, small O-ring（7）, valve core（8）, valve element circle
（9）, valve core case（10）And compression spring（11）, the valve body pedestal（5）Upper end center be provided with small stair hole, small stair hole
Small O-ring is provided with interior step surface（7）, the upper end of small O-ring is provided with back-up ring（6）, to avoid small O-ring（7）Axially move
It is dynamic, back-up ring（6）Upper end and valve body pedestal（5）The bending metal edges at top are in contact, to prevent Sealing shield ring（6）Axial movement；
The valve body pedestal（5）Lower end be provided with compression spring cylindrical cavity, between compression spring cylindrical cavity and small stair hole pass through cone
Shape through hole transition；The compression spring（11）It is arranged in compression spring cylindrical cavity, compression spring（11）Polish for two ends and tightly
Spring, compression spring（11）One end and valve core case（10）Bottom stage face is fixed by socket, the other end and valve body pedestal（5）Bottom
Bending metal edges be in contact, to prevent compression spring（11）Axial movement depart from compression spring cylindrical cavity, the valve core case
（10）Centre be provided with through hole；The valve core（8）Upper end be provided with sealing cone, sealing cone and valve body pedestal（5）'s
The internal conical surface of conical through-hole is engaged, valve core（8）Sealing cone lower end be on two sections of multi-diameter shafts, epimere multi-diameter shaft be socketed
There is valve element circle（9）, hypomere multi-diameter shaft insertion valve core case（10）Through hole in, valve core case（10）Upper surface and valve element circle（9）And
It is abutted against the lower surface of epimere multi-diameter shaft；The valve element circle（9）Lateral surface be circular conical surface, center is through hole, valve element circle（9）Circle
The conical surface and valve body pedestal（5）The internal conical surface of conical through-hole be engaged.
The course of work of the present utility model is：
A kind of general conical surface seal pressure measuring tie-in of gas-liquid described in the utility model, work system pressure at initial stage is small, valve core
Sealing cone and the conical through-hole of valve body pedestal contact area it is small, sealing not enough fully, but due to can equally play sealing
The presence of the valve element circle of effect so that whole joint can meet normal seal request；With the increase of system pressure, valve core case
On axial pre tightening force constantly become big, valve core case promotes valve core axial movement, makes the sealing cone and valve body pedestal of valve core
The contact area of conical through-hole be continuously increased, plastic deformation occurs for contact position to reach that certain sealing surface is wide and sealing ratio
Pressure, realizes pressure measuring tie-in in high pressure（63Mpa）Good sealing performance down.
The utility model related general conical surface seal pressure measuring tie-in of a kind of gas-liquid recited above that simply explains through diagrams
Some functional structure principles, it is some due to being easy to carry out on this basis for the technical staff in constructed field
Change, therefore this specification is not really wanted a kind of general conical surface seal pressure measuring tie-in of gas-liquid described in the utility model being confined to institute
Show or described concrete mechanism and the scope of application in, therefore every corresponding modification that may be utilized and equivalent are belonged to
The protection domain of the utility model patent.
Claims (1)
1. a kind of general conical surface seal pressure measuring tie-in of gas-liquid, including joint pedestal and valve component, it is characterised in that：The joint
The upper end of pedestal, which is provided with internal thread hole, valve component, is provided with external screw thread, and valve component passes through external screw thread and joint pedestal
Internal thread hole be fixedly connected；Leave in annular groove, annular groove the lower surface of hexagonal cylinder in the middle part of the joint pedestal
It is provided with ED circles；The external screw thread upper end of the valve component sets fluted, and ladder is provided with the internal thread hole of joint pedestal
Boss, is provided with big O-ring between groove and ladder boss；The valve component includes valve body pedestal, back-up ring, small O-ring, valve
Core body, valve element circle, valve core case and compression spring, the upper end center of the valve body pedestal are provided with small stair hole, small stair hole
Small O-ring is provided with step surface, the upper end of small O-ring is provided with back-up ring, upper end and the bending at the top of valve body pedestal of back-up ring
Metal edges are in contact；The lower end of the valve body pedestal is provided with compression spring cylindrical cavity, compression spring cylindrical cavity and small stair hole
Between pass through conical through-hole transition；The compression spring is arranged in compression spring cylindrical cavity, and compression spring is two ends and tightly ground
Coach spring, one end and the valve core case bottom stage face of compression spring are fixed by socket, the other end and the bending gold of valve body base bottom
Category side is in contact, and the centre of the valve core case is provided with through hole；The upper end of the valve core is provided with sealing cone, sealing cone with
The internal conical surface of the conical through-hole of valve body pedestal is engaged, and the sealing cone lower end of valve core is two sections of multi-diameter shafts, epimere ladder
It is socketed with axle in valve element circle, the through hole of hypomere multi-diameter shaft insertion valve core case, upper surface and valve element circle and the epimere rank of valve core case
It is abutted against the lower surface of terraced axle；The lateral surface of the valve element circle is circular conical surface, and center is through hole, circular conical surface and the valve body base of valve element circle
The internal conical surface of the conical through-hole of seat is engaged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427907.7U CN206320367U (en) | 2016-12-24 | 2016-12-24 | A kind of general conical surface seal pressure measuring tie-in of gas-liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427907.7U CN206320367U (en) | 2016-12-24 | 2016-12-24 | A kind of general conical surface seal pressure measuring tie-in of gas-liquid |
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| CN206320367U true CN206320367U (en) | 2017-07-11 |
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| CN201621427907.7U Active CN206320367U (en) | 2016-12-24 | 2016-12-24 | A kind of general conical surface seal pressure measuring tie-in of gas-liquid |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240492A (en) * | 2016-12-24 | 2018-07-03 | 上海谦液压设备有限公司 | A kind of general conical surface seal pressure measuring tie-in of gas-liquid |
| CN108489673A (en) * | 2018-04-28 | 2018-09-04 | 苏州纽威阀门股份有限公司 | A kind of measuring device of three-eccentric-butterfly-valve sealing surface and the measurement method of leakproofness |
| CN109938899A (en) * | 2019-03-26 | 2019-06-28 | 中国人民解放军陆军特色医学中心 | A kind of anti-scar device of vapour-pressure type face |
-
2016
- 2016-12-24 CN CN201621427907.7U patent/CN206320367U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108240492A (en) * | 2016-12-24 | 2018-07-03 | 上海谦液压设备有限公司 | A kind of general conical surface seal pressure measuring tie-in of gas-liquid |
| CN108489673A (en) * | 2018-04-28 | 2018-09-04 | 苏州纽威阀门股份有限公司 | A kind of measuring device of three-eccentric-butterfly-valve sealing surface and the measurement method of leakproofness |
| CN108489673B (en) * | 2018-04-28 | 2023-11-03 | 苏州纽威阀门股份有限公司 | Measuring device for sealing surface of three-eccentric butterfly valve and measuring method for tightness |
| CN109938899A (en) * | 2019-03-26 | 2019-06-28 | 中国人民解放军陆军特色医学中心 | A kind of anti-scar device of vapour-pressure type face |
| CN109938899B (en) * | 2019-03-26 | 2021-03-16 | 中国人民解放军陆军特色医学中心 | Vapour-pressure type face anti-scar device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190605 Address after: 213000 No. 80-5 Zhenxing Road, Anjia Private Industrial Park, Chunjiang Town, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Changzhou Tong min Machinery Technology Co., Ltd. Address before: Room 226, Building 8, 2215 Zhenjiang East Road, Gaoqiao, Pudong New Area, Shanghai, 2003 Patentee before: Shanghai one hydraulic equipment Co., Ltd. |