CN206592567U - A kind of seal ball-valve - Google Patents
A kind of seal ball-valve Download PDFInfo
- Publication number
- CN206592567U CN206592567U CN201720326817.7U CN201720326817U CN206592567U CN 206592567 U CN206592567 U CN 206592567U CN 201720326817 U CN201720326817 U CN 201720326817U CN 206592567 U CN206592567 U CN 206592567U
- Authority
- CN
- China
- Prior art keywords
- valve
- spheroid
- sealing block
- seal ball
- rod
- 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
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Abstract
The utility model discloses a kind of seal ball-valve, it is related to universal machine valve gate technology, including valve rod, valve body, the spheroid that is arranged in valve body；It is provided with sealing block at the top and bottom of the spheroid, sealing block is in U shape, and concave surface top respectively with spheroid, the bottom mating of spheroid of two sealing blocks；A pair of standing grooves are further opened with the inner surface of the valve body, and standing groove is corresponding with sealing block；Abutting spring is provided with the standing groove, spring is pushed against and is pushed against with sealing block；One end of the valve rod is placed in valve body and is connected with spheroid.The utility model makes the concave surface of sealing block coordinate all the time with spheroid by pushing against spring, spheroid spheroid in rotation process is sealed cooperation all the time with sealing block, will not leave gap, sealing is further improved.
Description
Technical field
The utility model is related to universal machine valve gate technology, in particular to a kind of seal ball-valve.
Background technology
Valve can be divided into by effect blocks class and non-return class, wherein blocking class includes：Gate valve, stop valve, plug valve, ball
Valve, butterfly valve, needle valve, diaphragm valve etc., available for the regulation and control of fluid, wherein sealing its V-type core of V-type ball valve and heap firmly
There is very strong shearing force between the metal seat valve of weldering hard alloy, Jie of fibre-bearing, small solid material etc. is particularly suitable for use in
Matter, and multi-pass ball valve not only can flexibly control interflow, shunting and the switching of flow direction of medium on pipeline, while can also close
Any passage and two other passage is connected, traditional ball valve can produce larger friction, so meeting in prolonged rotate
The sealing of ball valve is substantially reduced, even if current have some sealing ball valves on the market, but sealing effectiveness is poor, makes for a long time
It can be decreased with rear sealing, not reach good sealing effectiveness.
Utility model content
The purpose of this utility model is to provide a kind of seal ball-valve, to solve the above problems.
To realize the utility model purpose, the technical scheme used for：A kind of seal ball-valve, including valve rod, valve body, setting
Spheroid in valve body；It is provided with sealing block at the top and bottom of the spheroid, sealing block is in U shape, and two sealings
The concave surface of block top respectively with spheroid, the bottom mating of spheroid；A pair of standing grooves are further opened with the inner surface of the valve body,
And standing groove is corresponding with sealing block；Abutting spring is provided with the standing groove, spring is pushed against and is pushed against with sealing block；The valve rod
One end be placed in valve body and be connected with spheroid.
Further, the valve body includes left valve barrel and right valve barrel, is coordinated between left valve barrel and right valve barrel using screw thread
Mode is connected, and standing groove is located on left valve barrel.
Further, one end of the sealing block is supported with left valve barrel, and the interface of the other end and right valve barrel supports.
Further, the side of the sealing block is provided with longitudinal grafting bar, and is opened up on left valve barrel and right valve barrel
The inserting groove matched with grafting bar.
Further, it is additionally provided with the valve body on neck, and valve rod and is provided with fixture block corresponding with neck.
Further, the stem internal offers and connecting rod is provided with cavity, cavity, the middle part of connecting rod and cavity inner wall
It is hinged, fixture block is fixed through the lower end of valve rod and connecting rod；The upper end of the connecting rod is provided through the pull bar of valve rod.
Further, compression spring is arranged with the pull bar, and one end of compression spring is pushed against with cavity inner wall, compression
The other end of spring is pushed against with connecting rod.
Further, the neck is 4, and center line even circumferential distribution of the neck along valve rod.
The beneficial effects of the utility model are the concave surface of sealing block is coordinated all the time with spheroid by pushing against spring, make ball
Body spheroid in rotation process seals cooperation all the time with sealing block, will not leave gap, sealing is further improved, this
Sample to leak out by the fluid in valve body.
Brief description of the drawings
Fig. 1 is the structure chart for the seal ball-valve that the utility model is provided；
Fig. 2 is the partial enlarged drawing of part A in Fig. 1；
Fig. 3 makes the structure chart of sealing block in Fig. 1；
Mark and corresponding parts title in accompanying drawing：
1st, valve body, 1a, left valve barrel, 1b, right valve barrel, 2, spheroid, 3, valve rod, 4, sealing block, 5, standing groove, 6, push against bullet
Spring, 7, grafting bar, 8, inserting groove, 9, neck, 10, fixture block, 11, cavity, 12, connecting rod, 13, pull bar, 14, compression spring.
Embodiment
The utility model is described in further detail below by specific embodiment and with reference to accompanying drawing.
A kind of seal ball-valve that the shown the utility model of Fig. 1, Fig. 2, Fig. 3 is provided, including valve rod 3, valve body 1, set
Spheroid 2 in valve body 1；The top and bottom of the spheroid 2 are provided with sealing block 4, and sealing block 4 is in U shape, and two
The distance between the concave surface of individual sealing block 4 top respectively with spheroid 2, the bottom mating of spheroid 2, two opposite faces of sealing block 4
It is equal with the circulation passage diameter in spheroid 2；A pair of standing grooves 5, and standing groove 5 are further opened with the inner surface of the valve body 1
Corresponding with sealing block 4, the width of standing groove 5 is less than the width of sealing block 4；Abutting spring 6 is provided with the standing groove 5, is supported
Tight spring 6 is pushed against with sealing block 4, sealing block 4 is clamped between spheroid 2 and abutting spring 6, is prevented effectively from spheroid 2 and sealing
There is gap between block 4；One end of the valve rod 3 is placed in valve body 1 and is connected with spheroid 2, specifically, valve rod 3 is passed through on valve body 1
Standing groove 5, the top after sealing block 4 with spheroid 2 fix, be also installed with handle on valve rod 3, pass through the band of rotation valve rod 3
The rotation of dynamic spheroid 2, so as to realize the opening and closing of ball valve.
The valve body 1 includes left valve barrel 1a and right valve barrel 1b, is coordinated between left valve barrel 1a and right valve barrel 1b using screw thread
Mode is connected, and standing groove 5 is located on left valve barrel 1a, and standing groove 5 is located at the centre position of ball valve.One end of the sealing block 4
Support with left valve barrel 1a, the interface of the other end and right valve barrel 1b supports, sealing block 4 is clamped on left valve barrel 1a and right valve barrel 1b
Between, it is to avoid there is gap between sealing block 4 and left valve barrel 1a, right valve barrel 1b, improve the sealing of valve body 1.The sealing
The side of block 4 is provided with longitudinal grafting bar 7, and left valve barrel 1a and right valve barrel 1b and opens up the grafting matched with grafting bar 7
Groove 8, makes sealing block 4 to vertically move, it is impossible to rotate, it is to avoid slight rotation occurs for sealing block 4 in rotating sphere 2,
The damage of sealing block 4 is reduced, the service life of sealing block 4 is improved.
It is additionally provided with the valve body 1 on neck 9, and valve rod 3 and is provided with fixture block 10 corresponding with neck 9, when 3 turns of valve rod
When moving the position of fixation, the fixture block 10 on valve rod 3 is fastened in neck 9, valve rod 3 is more consolidated, while can effectively prevent
Valve rod 3 loosens because by rotating stripped thread for a long time.Offered inside the valve rod 3 in cavity 11, cavity 11 and be provided with connecting rod
12, middle part and the inwall of cavity 11 of connecting rod 12 are hinged, and enable the double swerve in cavity 11 of connecting rod 12, and fixture block 10 runs through valve rod 3
Fixed with the lower end of connecting rod 12；The upper end of the connecting rod 12 is provided through the pull bar 13 of valve rod 3, and pull bar 13 is located at left valve barrel 1a
Top.Compression spring 14 is arranged with the pull bar 13, and one end of compression spring 14 is pushed against with the inwall of cavity 11, compresses bullet
The other end of spring 14 is pushed against with connecting rod 12.When compression spring 14 is in reset state, compression spring 14 is by the upper end of connecting rod 12
It is pushed against on the inwall of cavity 11, now the fixture block 10 of the lower end of connecting rod 12 is fastened in neck 9；When needing rotation valve rod 3, pull
Pull bar 13, now compression spring 14 be compressed, the fixture block 10 on the lower end of pull bar 13 exits neck 9.The neck 9 is 4, and
Center line even circumferential distribution of the neck 9 along valve rod 3, makes no matter valve rod 3 rotates forward, inverts, fixture block 10 can be fastened on neck 9
It is interior.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (8)
1. a kind of seal ball-valve, it is characterised in that including valve rod, valve body, the spheroid being arranged in valve body；The top of the spheroid
Sealing block is provided with bottom, and sealing block is in U shape, and concave surface top respectively with spheroid, the spheroid of two sealing blocks
Bottom mating；A pair of standing grooves are further opened with the inner surface of the valve body, and standing groove is corresponding with sealing block；It is described to place
Abutting spring is provided with groove, spring is pushed against and is pushed against with sealing block；One end of the valve rod is placed in valve body and is connected with spheroid.
2. seal ball-valve according to claim 1, it is characterised in that the valve body includes left valve barrel and right valve barrel, left valve
Connected between body and right valve barrel by the way of screw thread cooperation, and standing groove is located on left valve barrel.
3. seal ball-valve according to claim 2, it is characterised in that one end of the sealing block is supported with left valve barrel, separately
The interface of one end and right valve barrel supports.
4. seal ball-valve according to claim 2, it is characterised in that the side of the sealing block is provided with longitudinal grafting
The inserting groove matched with grafting bar is opened up on bar, and left valve barrel and right valve barrel.
5. seal ball-valve according to claim 1, it is characterised in that be additionally provided with the valve body on neck, and valve rod
It is provided with fixture block corresponding with neck.
6. seal ball-valve according to claim 5, it is characterised in that the stem internal is offered to be set in cavity, cavity
Connecting rod is equipped with, middle part and the cavity inner wall of connecting rod are hinged, fixture block is fixed through the lower end of valve rod and connecting rod；The upper end of the connecting rod
It is provided through the pull bar of valve rod.
7. seal ball-valve according to claim 6, it is characterised in that compression spring, and compression are arranged with the pull bar
One end of spring is pushed against with cavity inner wall, and the other end and the connecting rod of compression spring are pushed against.
8. the seal ball-valve according to claim 5 or 7, it is characterised in that the neck is 4, and neck is along valve rod
Center line even circumferential is distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720326817.7U CN206592567U (en) | 2017-03-30 | 2017-03-30 | A kind of seal ball-valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720326817.7U CN206592567U (en) | 2017-03-30 | 2017-03-30 | A kind of seal ball-valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206592567U true CN206592567U (en) | 2017-10-27 |
Family
ID=60122065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720326817.7U Expired - Fee Related CN206592567U (en) | 2017-03-30 | 2017-03-30 | A kind of seal ball-valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206592567U (en) |
-
2017
- 2017-03-30 CN CN201720326817.7U patent/CN206592567U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20180330 |