CN204300410U - High-pressure balanced type cock valve - Google Patents
High-pressure balanced type cock valve Download PDFInfo
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- CN204300410U CN204300410U CN201420766252.0U CN201420766252U CN204300410U CN 204300410 U CN204300410 U CN 204300410U CN 201420766252 U CN201420766252 U CN 201420766252U CN 204300410 U CN204300410 U CN 204300410U
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- valve
- faucet body
- jacking block
- balanced type
- pressure balanced
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Abstract
A kind of high-pressure balanced type cock valve.Solve the cock of existing high pressure cock valve and pad to rub for a long time after breakage and easily occur leaking, make the problem that product working life is low.It comprises drive unit, valve body, valve rod and valve gap, the faucet body be provided with in described valve body, described drive unit is connected with faucet body by valve rod, described valve gap is located at the bottom of valve body, jacking block is provided with in described valve gap, the bottom of described faucet body is provided with the dome heart, and described jacking block is provided with the curve bath suitable with the dome heart, and described valve gap is provided with the adjusting screw offseted with jacking block.Faucet body lower end of the present utility model adopts the dome heart to be directly connected with jacking block, not only reduce cost of production and installation difficulty, and make adjusting screw immediate roof on jacking block, open light, reduce the pretightening force of adjusting screw, solve due to faucet body and pad rub for a long time damaged after there is the hidden danger of leaking.
Description
Technical field
The utility model relates to a kind of stopcock, is specifically related to a kind of high-pressure balanced type cock valve.
Background technique
Pressure balance type oil sealing stopcock, cock is inverted, and large little under faucet body, in the runner of cock, be provided with the through hole leading to cock upper-end surface and lower end surface, in the through hole leading to small end, be provided with one-way valve, the import of one-way valve is connected with runner.During closedown, the pressure of large and small end face is equal, and because large end working surface is large, therefore total force upwards pushes away cock, valve is easily sealed, the moment large end pressure release of opening, small end has one-way valve, and pressure is not let out, at this moment the resultant action of small end is greater than large end, cock is pushed away downwards, unlatching moment is reduced, be easy to open.
But, common pressure balance type oil sealing stopcock valve gap is by gasket seal and valve seal, adjusting screw in the middle of valve gap is that the power being added to pad by cushion block passes to jacking block and top heart pretension cock, for high-pressure balanced type oil sealing stopcock, power needed for adjusting bolt is excessive, is difficult to reach good initial sealing effect.
Summary of the invention
Easily occur leaking for the cock and pad that solve existing high pressure cock valve in background technique rub after breakage for a long time, make the problem that product working life is low, the utility model provides a kind of high-pressure balanced type cock valve.
The technical solution of the utility model is: a kind of high-pressure balanced type cock valve, comprise drive unit, valve body, valve rod and valve gap, the faucet body be provided with in described valve body, described faucet body is provided with the runner for medium circulation, described drive unit is connected with faucet body by valve rod, described valve gap is located at the bottom of valve body, jacking block is provided with in described valve gap, the bottom of described faucet body is provided with the dome heart, described jacking block is provided with the curve bath suitable with the dome heart, and described valve gap is provided with the adjusting screw offseted with jacking block.
Improve as one of the present utility model, be provided with the first black box between described jacking block and valve gap, the first described black box comprises the first seal ring and the first Sealing.
As further improvement of the utility model, the first described Sealing is graphite grazing filler.
As further improvement of the utility model, be provided with the second black box between described valve gap and valve body, the second described black box comprises the second seal ring and the second Sealing.
As further improvement of the utility model, described valve gap is provided with step, and the second described Sealing is located on step.
As further improvement of the utility model, the second described Sealing is seal washer.
As further improvement of the utility model, described valve rod is provided with plastic sealed packing groove, and described valve body is provided with the emergency sealing valve be connected with plastic sealed packing groove.
As further improvement of the utility model, described valve rod is connected with faucet body by connecting sleeve.
As further improvement of the utility model, the top of described faucet body is provided with square groove, and the bottom of described connecting sleeve is provided with the projection suitable with square groove.
The beneficial effects of the utility model are, faucet body lower end adopts the dome heart to be directly connected with jacking block, eliminate the setting of pad below jacking block and cushion block, not only reduce cost of production and installation difficulty, and make adjusting screw immediate roof on jacking block, open light, reduce the pretightening force of adjusting screw, solve due to faucet body and pad rub for a long time damaged after there is the hidden danger of leaking.And the utility model also has the advantages such as structure is simple, easy to assembly, cost of production is low.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the utility model embodiment.
Accompanying drawing 2 is that the structure of A-A in accompanying drawing 1 analyses and observe enlarged diagram.
Accompanying drawing 3 is the structure enlarged diagram at I place in accompanying drawing 1.
In figure, 1, drive unit; 2, valve body; 21, faucet body; 211, runner; 212, square groove; 22, emergency sealing valve; 3, valve rod; 31, plastic sealed packing groove; 4, valve gap; 41, step; 5, jacking block; 51, curve bath; 6, the dome heart; 7, adjusting screw; 8, the first black box; 81, the first seal ring; 82, the first Sealing; 9, the second black box; 91, the second seal ring; 92, the second Sealing; 10, connecting sleeve; 101, projection.
Embodiment
Below in conjunction with accompanying drawing, the utility model embodiment is described further:
Shown in Fig. 1 composition graphs 2,3, a kind of high-pressure balanced type cock valve, comprise drive unit 1, valve body 2, valve rod 3 and valve gap 4, the faucet body 21 be provided with in described valve body 2, specifically, described faucet body is the cone of little bottom, top large (upper and lower of the faucet body that the utility model is mentioned are referring to accompanying drawing 1, lower same).Described faucet body 21 is provided with the runner 211 for medium circulation, and specifically, described runner is trapezoidal runner.Described drive unit 1 is connected with faucet body 21 by valve rod 3, and specifically, described drive unit is turbine-driven set.Described valve gap 4 is located at the bottom of valve body 2, jacking block 5 is provided with in described valve gap 4, the bottom of described faucet body 21 is provided with the dome heart 6, and described jacking block 5 is provided with the curve bath 51 suitable with the dome heart 6, and described valve gap 4 is provided with the adjusting screw 7 offseted with jacking block 5.The beneficial effects of the utility model are, faucet body lower end adopts the dome heart to be directly connected with jacking block, eliminate the setting of pad below jacking block and cushion block, not only reduce cost of production and installation difficulty, and make adjusting screw immediate roof on jacking block, open light, reduce the pretightening force of adjusting screw, solve due to faucet body and pad rub for a long time damaged after there is the hidden danger of leaking.And the utility model also has the advantages such as structure is simple, easy to assembly, cost of production is low.
Be provided with the first black box 8 between described jacking block 5 and valve gap 4, the first described black box 8 comprises the first seal ring 81 and the first Sealing 82.Specifically, the first described Sealing 82 is graphite grazing filler.Specifically, be provided with the second black box 9 between described valve gap 4 and valve body 2, the second described black box 9 comprises the second seal ring 91 and the second Sealing 92.In particular, described valve gap 4 is provided with step 41, and the second described Sealing 92 is located on step 41.In particular, the second described Sealing 92 is seal washer.In particular, the first described seal ring and the second seal ring are O type circle.Such structure ensures that medium can not be revealed from the bottom of valve body and valve gap, and it is reliable that first, second black box makes product seal, long service life.
Described valve rod 3 is provided with plastic sealed packing groove 31, and described valve body 2 is provided with the emergency sealing valve 22 be connected with plastic sealed packing groove 31.Being used for the urgent greasing of plastic sealed packing groove when revealing mainly appears on faucet body top in emergency sealing valve, ensures the reliable operation of product.Specifically, emergency sealing valve is one-way valve.
Described valve rod 3 is connected with faucet body 21 by connecting sleeve 10.Specifically, the top of described faucet body 21 is provided with square groove 212, and the bottom of described connecting sleeve 10 is provided with the projection 101 suitable with square groove 212.Such structure ensures that product can transmission reliably, the unlatching of guarantee faucet body or closedown.
Every technician's notice: although the utility model describes according to above-mentioned embodiment; but invention thought of the present utility model is not limited in this model utility; the repacking of any utilization inventive concept, all will include in this patent scope of patent protection.
Claims (9)
1. a high-pressure balanced type cock valve, comprise drive unit (1), valve body (2), valve rod (3) and valve gap (4), the faucet body (21) be provided with in described valve body (2), described faucet body (21) is provided with the runner (211) for medium circulation, described drive unit (1) is connected with faucet body (21) by valve rod (3), described valve gap (4) is located at the bottom of valve body (2), it is characterized in that: in described valve gap (4), be provided with jacking block (5), the bottom of described faucet body (21) is provided with the dome heart (6), described jacking block (5) is provided with the curve bath (51) suitable with the dome heart (6), described valve gap (4) is provided with the adjusting screw (7) offseted with jacking block (5).
2. high-pressure balanced type cock valve according to claim 1, it is characterized in that being provided with the first black box (8) between described jacking block (5) and valve gap (4), described the first black box (8) comprises the first seal ring (81) and the first Sealing (82).
3. high-pressure balanced type cock valve according to claim 2, is characterized in that described the first Sealing (82) is graphite grazing filler.
4. high-pressure balanced type cock valve according to claim 2, it is characterized in that being provided with the second black box (9) between described valve gap (4) and valve body (2), described the second black box (9) comprises the second seal ring (91) and the second Sealing (92).
5. high-pressure balanced type cock valve according to claim 4, it is characterized in that described valve gap (4) is provided with step (41), described the second Sealing (92) is located on step (41).
6. the high-pressure balanced type cock valve according to claim 4 or 5, is characterized in that described the second Sealing (92) is seal washer.
7. high-pressure balanced type cock valve according to claim 1, it is characterized in that described valve rod (3) is provided with plastic sealed packing groove (31), described valve body (2) is provided with the emergency sealing valve (22) be connected with plastic sealed packing groove (31).
8. high-pressure balanced type cock valve according to claim 1, is characterized in that described valve rod (3) is connected with faucet body (21) by connecting sleeve (10).
9. high-pressure balanced type cock valve according to claim 8, it is characterized in that the top of described faucet body (21) is provided with square groove (212), the bottom of described connecting sleeve (10) is provided with the projection (101) suitable with square groove (212).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766252.0U CN204300410U (en) | 2014-12-09 | 2014-12-09 | High-pressure balanced type cock valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420766252.0U CN204300410U (en) | 2014-12-09 | 2014-12-09 | High-pressure balanced type cock valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204300410U true CN204300410U (en) | 2015-04-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420766252.0U Active CN204300410U (en) | 2014-12-09 | 2014-12-09 | High-pressure balanced type cock valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204300410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576775A (en) * | 2020-12-11 | 2021-03-30 | 超达阀门集团股份有限公司 | Adjust simple and convenient reliable back taper plug valve that seals |
| CN113389911A (en) * | 2021-06-17 | 2021-09-14 | 浙江福瑞科流控机械有限公司 | High-pressure full-bore forged steel plug valve and working method thereof |
-
2014
- 2014-12-09 CN CN201420766252.0U patent/CN204300410U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112576775A (en) * | 2020-12-11 | 2021-03-30 | 超达阀门集团股份有限公司 | Adjust simple and convenient reliable back taper plug valve that seals |
| CN113389911A (en) * | 2021-06-17 | 2021-09-14 | 浙江福瑞科流控机械有限公司 | High-pressure full-bore forged steel plug valve and working method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |