CN207621388U - Using the general conical surface seal pressure measuring tie-in of the gas-liquid of zigzag barb connection structure - Google Patents
Using the general conical surface seal pressure measuring tie-in of the gas-liquid of zigzag barb connection structure Download PDFInfo
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- CN207621388U CN207621388U CN201721773409.2U CN201721773409U CN207621388U CN 207621388 U CN207621388 U CN 207621388U CN 201721773409 U CN201721773409 U CN 201721773409U CN 207621388 U CN207621388 U CN 207621388U
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- conical surface
- pressure measuring
- measuring tie
- baffle ring
- spool
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Abstract
The utility model is related to a kind of general conical surface seal pressure measuring tie-ins of the gas-liquid using zigzag barb connection structure, including pressure measuring tie-in body, fixed short baffle ring, fixed long baffle ring, compressed spring, valve cage and spool；The both ends of the hollow cavity of the pressure measuring tie-in body are respectively cylindrical cavity, it is provided with circular conical surface cavity between two cylindrical cavities, circular conical surface is provided on spool, the compressed spring that can play the role of preload is provided between spool and fixed long baffle ring, circular conical surface can constitute airtight connection with the circular conical surface cavity of pressure measuring tie-in body on spool.Metal contacts plastic deformation to the circular conical surface of spool under pressure with the internal conical surface of pressure measuring tie-in body, and the sealing surface for reaching certain is wide and seal pressure, while being used cooperatively with primary seal circle, and 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 unit, especially a kind of gas-liquid using zigzag barb connection structure is general
Conical surface seal pressure measuring tie-in.
Background technology
Currently, the internal structure of pressure measuring tie-in has three kinds of ball sealing, piston column sealing and conical surface seal, ball to seal pressure measurement
Connector contacts realization sealing by steel ball with the hard of check valve body, this sealing means can be realized under the rated pressure of 63Mpa
Work, but it is very high with the requirement on machining accuracy of the valve body spherical surface of steel ball cooperation, under fierce market competition environment, factory
The stringent control processing cost of family, results in Reliability comparotive poor, and to gas, sealing performance is not good for ball sealing, defect rate
It is high；Piston column sealing pressure measuring tie-in realizes sealing, this sealing means by the soft contact of O-ring and check valve body on piston boit
High to the sealing reliability of gas-liquid, defect rate is low, but reacts insensitive, and manufacturing cost is higher, and O-ring cannot withstand
The rated pressure of 63Mpa can only generally work under the pressure of 30Mpa, while the synthetic rubber that O-ring uses is in temperature and height
Meeting accelerated ageing, easily causes seal failure to cause to leak under the double action of pressure；Conical surface seal pressure measuring tie-in utilizes sealing cone
The plastic deformation of metal contact under pressure, the sealing surface for reaching certain is wide and seal pressure, while coordinating with primary seal circle
It uses, effective sealing of pressure measuring tie-in is realized under double action, can be worked normally under the pressure of 63Mpa, but in current city
In the case of, processing cost is still higher.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of structure is reliable, easy to process, cost can substantially drop
The low general conical surface seal pressure measuring tie-in of the gas-liquid using zigzag barb connection structure.
In order to solve the above technical problems, the utility model is realized in the following way：It is described in the utility model
Include pressure measuring tie-in body using the general conical surface seal pressure measuring tie-in of the gas-liquid of zigzag barb connection structure, fix short baffle ring, solid
Fixed length baffle ring, compressed spring, valve cage and spool；The both ends of the hollow cavity of the pressure measuring tie-in body are respectively in cylinder
Chamber is provided with circular conical surface cavity between two cylindrical cavities, and being provided with zigzag on the inner wall of the cylindrical cavity at both ends falls
Hook is also equipped with zigzag barb, fixed short baffle ring, fixed long gear on the short baffle ring of the fixation, fixed long baffle ring external cylindrical surface
Circle is fixedly connected on the hollow interior of pressure measuring tie-in body in such a way that the zigzag barb on external cylindrical surface is squeezed through external force respectively
It is perforative channel among fixed short baffle ring, fixed long baffle ring in the cylindrical cavity at the both ends of chamber；It is provided on the spool
Circular conical surface is provided with the compressed spring that can play the role of preload between spool and fixed long baffle ring, and circular conical surface can be with survey on spool
The circular conical surface cavity of crimp head body constitutes airtight connection.
After the short baffle ring insertion hollow cavity of fixation, in the lower end of fixed short baffle ring and the cylinder of hollow cavity upper end
Plastics baffle ring and O-ring are disposed between the portion of bottom of chamber.
Connection column is provided on the spool on the large round end surface of circular conical surface, connects and is socketed with valve cage on column,
The compressed spring is socketed on the external cylindrical surface of valve cage；The large round end surface of valve cage upper surface and circular conical surface on spool
Between be provided with primary seal circle.
Hexagonal boss is provided in the middle part of the pressure measuring tie-in body, the bottom setting of hexagonal boss is fluted, ED circles
It is fixed in embedded groove.
Dust cap is removably fixedly connected on the external cylindrical surface of pressure measuring tie-in body upper end, on the external cylindrical surface of lower end
Removably it is fixedly connected with dustproof cover；The dust cap is fixed by chain and pressure measuring tie-in body.
The good effect of the utility model：Gas-liquid general cone described in the utility model using zigzag barb connection structure
Face seals pressure measuring tie-in, and the circular conical surface of spool becomes with the internal conical surface of pressure measuring tie-in body metal contact under pressure plasticity
Shape, the sealing surface for reaching certain is wide and seal pressure, while being used cooperatively with primary seal circle, and pressure measuring tie-in is realized under double action
Effective sealing.Circular conical surface is lower than the processing request of spherical surface, and processing cost is easily controllable, and primary seal circle also uses the resistance to height of anti-aging
The macromolecule material of pressure, while pressure measuring tie-in both ends will fixed short baffle ring, fixed long baffle ring by using the mode that external force squeezes
It is caught in the cylindrical cavity at the both ends of the hollow cavity of pressure measuring tie-in body, the inside and outside interlaced clamping of zigzag barb, realizes
In the fit sealing cooperation of middle control inner cavity, the connection type of such structure makes pressure measurement connect for fixed short baffle ring, fixed long baffle ring
Head can work normally under the pressure of 63Mpa, to realize that pressure measuring tie-in shows the excellent sealing of gas and highly pressurised liquid.
Description of the drawings
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is the overall structure diagram of pressure measuring tie-in
Fig. 2 is the structural schematic diagram for the pressure measuring tie-in for being connected with dust guard
Fig. 3 is the structural schematic diagram of pressure measuring tie-in body
In figure, 1, pressure measuring tie-in body 2, fixed short baffle ring 3, plastics baffle ring 4, O-ring 5, ED circles 6, fixed long baffle ring 7, pressure
Contracting spring 8, valve cage 9, primary seal circle 10, spool 11, zigzag barb cooperation fixed area 12, dust cap 13, chain 14,
Dustproof cover 15, short cylindrical shape hole 16, circular conical surface cavity 17, elongated cylindrical hole 18, zigzag barb 19, groove 20, round table surface.
Specific implementation mode
As shown in Figure 1 to Figure 3, the gas-liquid general conical surface seal described in the utility model using zigzag barb connection structure
Pressure measuring tie-in includes pressure measuring tie-in body（1）, fixed short baffle ring（2）, fixed long baffle ring（6）, compressed spring（7）, valve cage（8）
And spool（10）；The pressure measuring tie-in body（1）The both ends of hollow cavity be respectively cylindrical cavity, two cylindrical cavities it
Between be provided with circular conical surface cavity（16）, the short baffle ring of fixation（2）, fixed long baffle ring（6）It is fixedly connected on pressure measuring tie-in body（1）
Hollow cavity both ends cylindrical cavity in, fixed short baffle ring（2）, fixed long baffle ring（6）Centre is perforative channel；Institute
State spool（10）On be provided with circular conical surface, spool（10）With the long baffle ring of fixation（6）Between be provided with the pressure that can play the role of preload
Contracting spring（7）, spool（10）Upper circular conical surface can be with pressure measuring tie-in body（1）Circular conical surface cavity（16）Constitute airtight connection.
The pressure measuring tie-in body（1）Upper end is short cylindrical shape hole（15）, lower end is elongated cylindrical hole（17）, short cylindrical shape hole
（15）With elongated cylindrical hole（17）Inner wall on be provided with zigzag barb（18）, the short baffle ring of fixation（2）, fixed long baffle ring
（6）Zigzag barb is provided on external cylindrical surface（18）, fixed short baffle ring（2）, fixed long baffle ring（6）It is fallen respectively by zigzag
Hook（18）It is fixedly connected on pressure measuring tie-in body（1）Short cylindrical shape hole（15）With elongated cylindrical hole（17）Inner cavity, the sawtooth of the two
Shape barb（18）Junction constitutes zigzag barb cooperation fixed area（11）, fixed short baffle ring（2）, fixed long baffle ring（6）With
Pressure measuring tie-in body（1）Hollow cavity both ends realize fit sealing cooperation, ensure that pressure measuring tie-in is normal under the pressure of 63Mpa
Work.
The short baffle ring of fixation（2）After embedded hollow cavity, fixed short baffle ring（2）Lower end and short cylindrical shape hole（15）Bottom
The round table surface in portion（20）Between be disposed with plastics baffle ring（3）And O-ring（4）, O-ring（4）Upper end be placed with plastics baffle ring
（3）, plastics baffle ring（3）It is fixed short baffle ring（2）It firmly withstands, protection O-ring can be played（4）Effect.
The spool（10）It is provided with connection column on the large round end surface of upper circular conical surface, connects and is socketed with valve core housing on column
Cylinder（8）, the compressed spring（7）It is socketed on valve cage（8）External cylindrical surface on；Valve cage（8）Upper surface and spool
（10）Primary seal circle is provided between the large round end surface of upper circular conical surface（9）.
The pressure measuring tie-in body（1）Middle part be provided with hexagonal boss, the bottom setting of hexagonal boss is fluted
（19）, ED circles（5）Embedded groove（19）Interior fixation.
The pressure measuring tie-in body（1）It is removably fixedly connected with dust cap on the external cylindrical surface of upper end（12）, outside lower end
Dustproof cover is removably fixedly connected on cylindrical surface（14）；The dust cap（12）Pass through chain（13）With pressure measuring tie-in body
（1）It is fixed.
The course of work of the utility model is：
The general conical surface seal pressure measuring tie-in of gas-liquid described in the utility model using zigzag barb connection structure, work is just
Phase system pressure is small, and the contact area of cone seal pair is small, but since the presence of primary seal circle can meet normal seal request；
With the increase of system pressure, the axial pre tightening force on valve core case constantly becomes larger, and valve core case pushes valve core axial movement, makes cone
The contact area of shape sealing pair is continuously increased, and certain sealing surface is wide and seal pressure to reaching for contact position plastic deformation, real
Existing pressure measuring tie-in is in high pressure（63Mpa）Under good sealing performance.
The utility model relevant gas-liquid using zigzag barb connection structure recited above that only explains through diagrams
Some functional structure principles of general conical surface seal pressure measuring tie-in, due to being easy to for the technical staff in same technique field
Several modifications is carried out on this basis, therefore this specification is not really wanted to connect described in the utility model using zigzag barb
Shown in the general conical surface seal pressure measuring tie-in of gas-liquid of binding structure is confined to or in the concrete mechanism and the scope of application, thus it is all
It is the corresponding modification that possible be utilized and equivalent, belongs to the protection domain of the utility model patent.
Claims (5)
1. using the general conical surface seal pressure measuring tie-in of gas-liquid of zigzag barb connection structure, it is characterised in that：It is connect including pressure measurement
Head body, fixed short baffle ring, fixed long baffle ring, compressed spring, valve cage and spool；The hollow cavity of the pressure measuring tie-in body
Both ends are respectively cylindrical cavity, are provided with circular conical surface cavity between two cylindrical cavities, the cylindrical cavity at both ends it is interior
It is provided with zigzag barb on wall, zigzag barb is also equipped on the short baffle ring of the fixation, fixed long baffle ring external cylindrical surface, Gu
Fixed short baffle ring, fixed long baffle ring are fixedly connected on survey in such a way that the zigzag barb on external cylindrical surface is squeezed through external force respectively
It is perforative channel among fixed short baffle ring, fixed long baffle ring in the cylindrical cavity at the both ends of the hollow cavity of crimp head body；
It is provided with circular conical surface on the spool, the compressed spring that can play the role of preload, valve are provided between spool and fixed long baffle ring
Circular conical surface can constitute airtight connection with the circular conical surface cavity of pressure measuring tie-in body on core.
2. the general conical surface seal pressure measuring tie-in of the gas-liquid according to claim 1 using zigzag barb connection structure,
It is characterized in that：After the short baffle ring insertion hollow cavity of fixation, the cylinder of the lower end and hollow cavity upper end of fixed short baffle ring
Plastics baffle ring and O-ring are disposed between intracavity bottom.
3. the general conical surface seal pressure measuring tie-in of the gas-liquid according to claim 1 or 2 using zigzag barb connection structure,
It is characterized in that：Connection column is provided on the spool on the large round end surface of circular conical surface, connects and is socketed with valve core housing on column
Cylinder, the compressed spring are socketed on the external cylindrical surface of valve cage；The great circle of valve cage upper surface and circular conical surface on spool
Primary seal circle is provided between end face.
4. the general conical surface seal pressure measuring tie-in of the gas-liquid according to claim 1 or 2 using zigzag barb connection structure,
It is characterized in that：Hexagonal boss is provided in the middle part of the pressure measuring tie-in body, fluted, ED is arranged in the bottom of hexagonal boss
It is fixed in the embedded groove of circle.
5. the general conical surface seal pressure measuring tie-in of the gas-liquid according to claim 1 using zigzag barb connection structure,
It is characterized in that：Dust cap, lower end external cylindrical surface are removably fixedly connected on the external cylindrical surface of pressure measuring tie-in body upper end
On be removably fixedly connected with dustproof cover；The dust cap is fixed by chain and pressure measuring tie-in body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773409.2U CN207621388U (en) | 2017-12-19 | 2017-12-19 | Using the general conical surface seal pressure measuring tie-in of the gas-liquid of zigzag barb connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773409.2U CN207621388U (en) | 2017-12-19 | 2017-12-19 | Using the general conical surface seal pressure measuring tie-in of the gas-liquid of zigzag barb connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621388U true CN207621388U (en) | 2018-07-17 |
Family
ID=62820855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721773409.2U Active CN207621388U (en) | 2017-12-19 | 2017-12-19 | Using the general conical surface seal pressure measuring tie-in of the gas-liquid of zigzag barb connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621388U (en) |
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2017
- 2017-12-19 CN CN201721773409.2U patent/CN207621388U/en active Active
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