CN203940030U - A kind of high-performance elastic metal seal ball valve - Google Patents
A kind of high-performance elastic metal seal ball valve Download PDFInfo
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- CN203940030U CN203940030U CN201420367970.0U CN201420367970U CN203940030U CN 203940030 U CN203940030 U CN 203940030U CN 201420367970 U CN201420367970 U CN 201420367970U CN 203940030 U CN203940030 U CN 203940030U
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- mounting groove
- annular mounting
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- valve body
- elastic metal
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Abstract
The utility model discloses a kind of high-performance elastic metal seal ball valve; Belong to ball valve technical field; Its technological points comprises valve body, in valve body, be provided with the spheroid cooperatively interacting, on valve body and spheroid, be equipped with corresponding through hole, the through hole the inner being wherein positioned on valve body is provided with the first annular mounting groove, in the first annular mounting groove, be provided with the valve seat adapting with spheroid, be provided with the second annular mounting groove at the valve seat back side, the second annular mounting groove and the first annular mounting groove coordinate formation installation cavity, are provided with the thrust mechanism of extruding valve seat in installation cavity; The the second annular mounting groove bottom surface being positioned in thrust mechanism thrust direction is inclined-plane, and the angle of this inclined-plane and horizontal plane is 60-62 °; The utility model aims to provide the high-performance elastic metal seal ball valve that a kind of compact structure, sealability are stable, using scope is wide; For control media circulation or cut-out.
Description
Technical field
The utility model relates to a kind of ball valve, more particularly, relates in particular to a kind of high-performance elastic metal seal ball valve.
Background technique
The metal seal ball valve that existing domestic valve industry uses, generally adopts common elastic performance poor, and sealing effect does not reach usage requirement, and under the active force of medium, valve seat radially leaks with back, thereby does not reach integral sealing effect.Ball valve is in opening-closing process, and the continuous friction of valve rod and filler, to making in filler particulate material adhesion or being attached on valve rod, easily causes stem wear when keying, causes packing box seal to lose efficacy.Sealing material non-refractory or sealing surface damage and cause again valve leak and stuck, greatly reduce like this working life of valve, and be difficult to adapt to the needs of valve industry, original structure has been improved, in conjunction with the new demand in market, solve the particular problem during user uses preferably.This high-performance elastic metal seal ball valve is than extending 3～5 times the working life of common metal seal ball-valve.
Summary of the invention
The purpose of this utility model is for above-mentioned the deficiencies in the prior art, and a kind of compact structure, sealability is stable, using scope is wide high-performance elastic metal seal ball valve are provided.
The technical solution of the utility model is achieved in that a kind of high-performance elastic metal seal ball valve, comprise valve body, in valve body, be provided with the spheroid cooperatively interacting, on valve body and spheroid, be equipped with corresponding through hole, the through hole the inner being wherein positioned on valve body is provided with the first annular mounting groove, in the first annular mounting groove, be provided with the valve seat adapting with spheroid, be provided with the second annular mounting groove at the valve seat back side, the second annular mounting groove and the first annular mounting groove coordinate formation installation cavity, are provided with the thrust mechanism of extruding valve seat in installation cavity; The the second annular mounting groove bottom surface being positioned in thrust mechanism thrust direction is inclined-plane, and the angle α of this inclined-plane and horizontal plane is 60 °-62 °.
In above-mentioned a kind of high-performance elastic metal seal ball valve, described valve seat is made up of integrated guide sleeve and setting sleeve, and guide sleeve is column construction, and setting sleeve is flared structure, and the outer wall of guide sleeve and setting sleeve coordinates formation the second annular mounting groove.
In above-mentioned a kind of high-performance elastic metal seal ball valve, described thrust mechanism is made up of the valve seat pad, Thrust ring and the butterfly spring that sequentially arrange; Described valve seat pad contacts with the inclined-plane of the second annular mounting groove, and described butterfly spring is folded between Thrust ring and the first annular mounting groove inner bottom surface.
In above-mentioned a kind of high-performance elastic metal seal ball valve, two end faces that described Thrust ring contacts with valve seat pad are inclined-plane, the angle β of this inclined-plane and horizontal plane is 60 °-62 °, and the end face that described Thrust ring contacts with butterfly spring is the vertical surface perpendicular with horizontal plane.
In above-mentioned a kind of high-performance elastic metal seal ball valve, described valve body is provided with the valve rod being connected with spheroid, on the valve body of valve body and valve rod contacting part upper end, be provided with the 3rd annular mounting groove, in the 3rd annular mounting groove, be provided with sealing configuration, described sealing configuration by two stuffing box glands, be arranged on some groups of seal ring groups between two stuffing box glands and the sealing caulking ring that is arranged between two adjacent groups seal ring group forms, stuffing box gland, seal ring group and sealing caulking ring are along the setting that axially superposes of the 3rd annular mounting groove; Be provided with the Gland corresponding with sealing configuration at the 3rd annular mounting groove opening portion.
In above-mentioned a kind of high-performance elastic metal seal ball valve, the graphite annulus that described seal ring group is equilateral triangle by two cross sections forms, and the sectional shape of two graphite annuluss is symmetrical; The cross section of described sealing caulking ring is equilateral triangle, and the end face that described stuffing box gland contacts with graphite annulus is the inclined-plane adapting with graphite annulus, and stuffing box gland, graphite annulus and sealing caulking ring sequentially superpose the sealing configuration that Formation cross-section is rectangle is set.
In above-mentioned a kind of high-performance elastic metal seal ball valve, described seal ring group has two groups.
In above-mentioned a kind of high-performance elastic metal seal ball valve, between valve body and the contacting part of valve rod head, be provided with anti-wear gasket.
In above-mentioned a kind of high-performance elastic metal seal ball valve, described valve body is made up of the left valve barrel cooperatively interacting and right valve barrel, and between the contacting part of left and right valve body, edge is circumferentially with wrap style packing ring.
The utility model adopts after said structure, is coordinated and is formed installation cavity, and in installation cavity, be provided with the thrust mechanism of extruding valve seat by the first annular mounting groove on the second annular mounting groove on valve seat and valve body; The the second annular mounting groove bottom surface being positioned in thrust mechanism thrust direction is inclined-plane, and the angle of this inclined-plane and horizontal plane is 60 °-62 °.Adopt this structure, make valve seat under the effect of thrust mechanism, there is good steering capability and elastic packing performance.Solve so at all the possibility of medium radial leakage between valve seat and valve body; And play protection against erosion, wear-resisting, high temperature resistant, corrosion resistant effect, and realize high-performance sealed effect, guarantee ball valve is normally worked under hot environment.Further, sealing configuration between valve body and valve rod contacting part adopts the graphite annulus that cross section is equilateral triangle to complement each other to form seal ring group, and the sealing caulking ring that is equilateral triangle by cross section is separated, adopt this stepped construction cleverly, in the time that valve rod rotates, can play automatic sharpening Graphite particle powder, make valve rod excellent, fundamentally solve the problem of the microparticle shape materials such as Expanded graphite adhesion on valve rod, realize anti-stick dirt, erosion resistant object, extended the working life of valve.
Brief description of the drawings
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but do not form any restriction of the present utility model.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the local enlarged diagram at A place in Fig. 1;
Fig. 3 is the local enlarged diagram at B place in Fig. 1.
In figure: valve body 1, the 3rd annular mounting groove 1a, left valve barrel 1b, right valve barrel 1c, spheroid 2, through hole 3, the first annular mounting groove 3a, valve seat 4, the second annular mounting groove 4a, guide sleeve 4b, setting sleeve 4c, thrust mechanism 5, valve seat pad 5a, Thrust ring 5b, butterfly spring 5c, valve rod 6, stuffing box gland 7, sealing caulking ring 8, Gland 9, graphite annulus 10, anti-wear gasket 11, wrap style packing ring 12, handle 13.
Embodiment
Consult shown in Fig. 1 to Fig. 3, a kind of high-performance elastic metal seal ball valve of the present utility model, comprise valve body 1, valve body 1 is made up of the left valve barrel 1b cooperatively interacting and right valve barrel 1c, at left and right valve body 1b, between the contacting part of 1c, along being circumferentially with wrap style packing ring 12, this wrap style packing ring 12 is spiral wound gaskets.In valve body 1, be provided with the spheroid 2 cooperatively interacting, the surperficial root Ju of spheroid 2 applying working condition, can adopt sprayed wc (W) or surfacing nickel-base alloy (N) or chrome-faced (G) or the operation such as plasma nitrided, to improve spheroid 2 surface hardnesses and high-temperature stability.On valve body 1 and spheroid 2, be equipped with corresponding through hole 3, through hole 3 the inners that are positioned on valve body 1 are provided with the first annular mounting groove 3a, in the first annular mounting groove 3a, be provided with the valve seat 4 adapting with spheroid 2, described valve seat 4 is made up of integrated guide sleeve 4b and setting sleeve 4c, guide sleeve 4b is column construction, setting sleeve 4c is flared structure, the outer wall of guide sleeve 4b and setting sleeve 4c coordinates formation the second annular mounting groove 4a, the second annular mounting groove 4a and the first annular mounting groove 3a coordinate formation installation cavity, in installation cavity, be provided with the thrust mechanism 5 of extruding valve seat 4, the the second annular mounting groove 4a bottom surface being positioned in thrust mechanism 5 thrust directions is inclined-plane, and the angle α of this inclined-plane and horizontal plane is 60 °-62 °.
Particularly, described thrust mechanism 5 is made up of valve seat pad 5a, the Thrust ring 5b and the butterfly spring 5c that sequentially arrange; Described valve seat pad 5a contacts with the inclined-plane of the second annular mounting groove 4a, and described butterfly spring 5c is folded between Thrust ring 5b and the first annular mounting groove 3a inner bottom surface.Meanwhile, two end faces that Thrust ring 5b contacts with valve seat pad 5a are inclined-plane, and the angle β of this inclined-plane and horizontal plane is 60 °-62 °, and the end face that described Thrust ring 5b contacts with butterfly spring 5c is the vertical surface perpendicular with horizontal plane.Described angle relation, under angle shown in the utility model embodiment Fig. 1 each with the angle relation of horizontal plane.
Further, on valve body 1, be provided with the valve rod 6 being connected with spheroid 2, be connected with rotary drive mechanism at valve rod 6 free ends, rotary drive mechanism described in the present embodiment is handle 13, according to concrete Environmental Conditions, rotary drive mechanism can adopt the conventional drive units in related domain such as Pneumatic actuator, worm Gear-Worm transmission device or electric performance device.On the valve body 1 of valve body 1 and valve rod 6 contacting part upper ends, be provided with the 3rd annular mounting groove 1a, in the 3rd annular mounting groove 1a, be provided with sealing configuration, described sealing configuration by two stuffing box glands 7, be arranged on some groups of seal ring groups between two stuffing box glands 7 and the sealing caulking ring 8 that is arranged between two adjacent groups seal ring group forms, sealing caulking ring 8 adopts metallic material to make, and stuffing box gland 7, seal ring group and sealing caulking ring 8 are along the 3rd annular mounting groove 1a setting that axially superposes; Be provided with the Gland corresponding with sealing configuration 9 at the 3rd annular mounting groove 1a opening portion.Preferably, the graphite annulus 10 that described seal ring group is equilateral triangle by two cross sections forms, and the sectional shape of two graphite annuluss 10 is symmetrical; The cross section of described sealing caulking ring 8 is equilateral triangle, and the end face that described stuffing box gland 7 contacts with graphite annulus 10 is the inclined-plane adapting with graphite annulus 10, and stuffing box gland 7, graphite annulus 10 and sealing caulking ring 8 sequentially superpose the sealing configuration that Formation cross-section is rectangle is set.In the present embodiment, described seal ring group has two groups, and as the case may be, the quantity of seal ring group can increase adaptively.Meanwhile, between valve body 1 and the contacting part of valve rod 6 heads, be provided with anti-wear gasket 11.Ball valve in the present embodiment is identical with the using method of existing conventional ball valve.
Above illustrated embodiment is preferred embodiments of the present utility model, only be used for facilitating explanation the utility model, not the utility model is done to any pro forma restriction, under any, in technical field, have and conventionally know the knowledgeable, if not departing from the scope of technical characteristics that the utility model is carried, utilize technology contents that the utility model discloses to do the local equivalent embodiment who changes or modify, and do not depart from technical characteristics content of the present utility model, all still belong in the scope of the utility model technical characteristics.
Claims (9)
1. a high-performance elastic metal seal ball valve, comprise valve body (1), in valve body (1), be provided with the spheroid (2) cooperatively interacting, on valve body (1) and spheroid (2), be equipped with corresponding through hole (3), it is characterized in that, through hole (3) the inner being positioned on valve body (1) is provided with the first annular mounting groove (3a), in the first annular mounting groove (3a), be provided with the valve seat (4) adapting with spheroid (2), be provided with the second annular mounting groove (4a) at valve seat (4) back side, the second annular mounting groove (4a) and the first annular mounting groove (3a) coordinate formation installation cavity, in installation cavity, be provided with the thrust mechanism (5) of extruding valve seat (4), the second annular mounting groove (4a) bottom surface being positioned in thrust mechanism (5) thrust direction is inclined-plane, and the angle α of this inclined-plane and horizontal plane is 60 °-62 °.
2. a kind of high-performance elastic metal seal ball valve according to claim 1, it is characterized in that, described valve seat (4) is made up of integrated guide sleeve (4b) and setting sleeve (4c), guide sleeve (4b) is column construction, setting sleeve (4c) is flared structure, and the outer wall of guide sleeve (4b) and setting sleeve (4c) coordinates formation the second annular mounting groove (4a).
3. a kind of high-performance elastic metal seal ball valve according to claim 1 and 2, is characterized in that, described thrust mechanism (5) is made up of the valve seat pad (5a) sequentially arranging, Thrust ring (5b) and butterfly spring (5c); Described valve seat pad (5a) contacts with the inclined-plane of the second annular mounting groove (4a), and described butterfly spring (5c) is folded between Thrust ring (5b) and the first annular mounting groove (3a) inner bottom surface.
4. a kind of high-performance elastic metal seal ball valve according to claim 3, it is characterized in that, two end faces that described Thrust ring (5b) contacts with valve seat pad (5a) are inclined-plane, the angle β of this inclined-plane and horizontal plane is 60 °-62 °, and the end face that described Thrust ring (5b) contacts with butterfly spring (5c) is the vertical surface perpendicular with horizontal plane.
5. a kind of high-performance elastic metal seal ball valve according to claim 1, it is characterized in that, described valve body (1) is provided with the valve rod (6) being connected with spheroid (2), on the valve body (1) of valve body (1) and valve rod (6) contacting part upper end, be provided with the 3rd annular mounting groove (1a), in the 3rd annular mounting groove (1a), be provided with sealing configuration, described sealing configuration is by two stuffing box glands (7), be arranged on some groups of seal ring groups between two stuffing box glands (7) and be arranged on sealing caulking ring (8) composition between two adjacent groups seal ring group, stuffing box gland (7), seal ring group and sealing caulking ring (8) are along the axially stack setting of the 3rd annular mounting groove (1a), be provided with the Gland corresponding with sealing configuration (9) at the 3rd annular mounting groove (1a) opening portion.
6. a kind of high-performance elastic metal seal ball valve according to claim 5, is characterized in that, the graphite annulus (10) that described seal ring group is equilateral triangle by two cross sections forms, and the sectional shape of two graphite annuluss (10) is symmetrical; The cross section of described sealing caulking ring (8) is equilateral triangle, the end face that described stuffing box gland (7) contacts with graphite annulus (10) is the inclined-plane adapting with graphite annulus (10), and stuffing box gland (7), graphite annulus (10) and sealing caulking ring (8) sequentially superpose the sealing configuration that Formation cross-section is rectangle is set.
7. according to a kind of high-performance elastic metal seal ball valve described in claim 5 or 6, it is characterized in that, described seal ring group has two groups.
8. a kind of high-performance elastic metal seal ball valve according to claim 1, is characterized in that, between described valve body (1) and the contacting part of valve rod (6) head, is provided with anti-wear gasket (11).
9. a kind of high-performance elastic metal seal ball valve according to claim 1, it is characterized in that, described valve body (1) is made up of the left valve barrel cooperatively interacting (1b) and right valve barrel (1c), and between the contacting part of left and right valve body (1b, 1c), edge is circumferentially with wrap style packing ring (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367970.0U CN203940030U (en) | 2014-07-04 | 2014-07-04 | A kind of high-performance elastic metal seal ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420367970.0U CN203940030U (en) | 2014-07-04 | 2014-07-04 | A kind of high-performance elastic metal seal ball valve |
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| Publication Number | Publication Date |
|---|---|
| CN203940030U true CN203940030U (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420367970.0U Expired - Fee Related CN203940030U (en) | 2014-07-04 | 2014-07-04 | A kind of high-performance elastic metal seal ball valve |
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| Country | Link |
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| CN (1) | CN203940030U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667954A (en) * | 2019-02-20 | 2019-04-23 | 郑子叶 | A kind of spherome surface anti-coking ball valve |
| CN112762194A (en) * | 2021-03-02 | 2021-05-07 | 温州市安通阀门有限公司 | Hard sealing ball device |
-
2014
- 2014-07-04 CN CN201420367970.0U patent/CN203940030U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109667954A (en) * | 2019-02-20 | 2019-04-23 | 郑子叶 | A kind of spherome surface anti-coking ball valve |
| CN112762194A (en) * | 2021-03-02 | 2021-05-07 | 温州市安通阀门有限公司 | Hard sealing ball device |
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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: 20141112 Termination date: 20190704 |
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| CF01 | Termination of patent right due to non-payment of annual fee |