CN204312747U - A kind of high water pressure unloading valve - Google Patents
A kind of high water pressure unloading valve Download PDFInfo
- Publication number
- CN204312747U CN204312747U CN201420715992.1U CN201420715992U CN204312747U CN 204312747 U CN204312747 U CN 204312747U CN 201420715992 U CN201420715992 U CN 201420715992U CN 204312747 U CN204312747 U CN 204312747U
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- China
- Prior art keywords
- valve
- core rod
- valve core
- valve body
- pressure
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of high water pressure unloading valve, comprise valve body, valve pocket, valve core rod, cover plate, pressing plate, high-pressure seal ring and driver part, valve pocket inserts the upper half part in valve body and encapsulates by pressing plate is fixing, valve core rod to be set in valve pocket and to run through valve body, driver part is connected with valve core rod upper end and actuating valve core bar moves up and down, valve body left upper portion is provided with high-pressure water inlet, valve body lower right side is provided with high-pressure water outlet, valve core rod inside has one section of hollow chamber, on valve core rod, vertical interval is respectively equipped with the first through flow hole and the second through flow hole that communicate with hollow chamber, valve pocket has the runner of linking up high-pressure water inlet and hollow chamber, driven by driver part and move up and down by valve core rod the break-make realizing high pressure water circuit, thus realize high water pressure off-load, the structural design of the utility model abandoning tradition hydraulic pressure unloading valve, structure is simple, easy maintenance, can be used for pressure to reach in the high water pressure system of 60MPa.
Description
Technical field
the utility model relates to hydraulic pressure relief arrangement technical field, a kind of especially high water pressure unloading valve.
Background technique
at present, in steel pipe hydrostatic testing equipment, to test steel pipe do pressure test, test rear need the high pressure water pressure release in steel pipe emptying, but on the market existing hydraulic pressure unloading valve internal structure design complexity, manufacture cost is high, safeguard inconvenience, and the employing of valve pocket inner sealing is all low pressure seal, makes its working pressure general all in 16MPa, poor for applicability, be difficult to be applicable to high water pressure system.
Model utility content
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, the high water pressure unloading valve of reliable operation.
For solving the problems of the technologies described above adopted technological scheme: a kind of high water pressure unloading valve, comprise valve body, valve pocket, valve core rod, cover plate, pressing plate and driver part, described valve pocket inserts the upper half part in valve body and encapsulates by pressing plate is fixing, described valve core rod to be set in valve pocket and to run through valve body, described cover plate is arranged on valve body lower end and has and stretches out center hole for valve core rod, described driver part is connected with valve core rod upper end and actuating valve core bar moves up and down, described valve body left upper portion is provided with high-pressure water inlet, described valve body lower right side is provided with high-pressure water outlet, described valve body is respectively equipped with the adpting flange connected with high-pressure water inlet and high-pressure water outlet, described valve core rod inside has one section of hollow chamber, on described valve core rod, vertical interval is respectively equipped with the first through flow hole and the second through flow hole that communicate with hollow chamber, described valve pocket has the runner of linking up high-pressure water inlet and hollow chamber, when described valve core rod moves be in the first working position time, the first through flow hole on the high-pressure water inlet of described valve body and valve core rod, second through flow hole is all connected, when described valve core rod move down be in the second working position time, the high-pressure water inlet of described valve body is only connected with the first through flow hole on valve core rod and the second through flow hole on valve core rod is connected with the high-pressure outlet of valve body, it is upper that described valve pocket contacts with valve body, face is equipped with high-pressure seal ring to lower end outside, it is upper that described valve pocket contacts with valve core rod, face is equipped with high-pressure seal ring to lower end inside, the interior sidewall surface that the center hole of described cover plate contacts with valve core rod is provided with high-pressure seal ring, high-pressure seal ring is provided with between described cover plate and valve body.
Further, described driver part comprises cylinder, connecting plate, connecting head, connecting rod and bearing pin, described connecting plate is arranged on above valve body by connecting rod supporting, described cylinder is fixedly mounted on connecting plate, the tailpiece of the piston rod of described cylinder is fixedly connected with connecting head, and described connecting head is connected by bearing pin with valve core rod upper end.
Beneficial effect: drive mainly through driver part in this high water pressure unloading valve and move up and down by valve core rod the break-make realizing high pressure water circuit, thus realize high water pressure off-load, the structural design of the utility model abandoning tradition hydraulic pressure unloading valve also adopts high-pressure seal ring as seal element, structure is simple, easy maintenance, can be used for pressure and reaches in the high water pressure system of 60MPa.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described further;
Fig. 1 is the schematic diagram that in the utility model embodiment, valve core rod is in the first working position;
Fig. 2 is the schematic diagram that in the utility model embodiment, valve core rod is in the second working position.
Embodiment
See figures.1.and.2, a kind of high water pressure unloading valve of the utility model, comprise valve body 1, valve pocket 2, valve core rod 3, cover plate 4, pressing plate 5 and driver part 6, valve pocket 2 inserts the upper half part in valve body 1 and encapsulates by pressing plate 5 is fixing, valve core rod 3 to be set in valve pocket 2 and to run through valve body 1, cover plate 4 is arranged on valve body 1 lower end and has and stretches out center hole for valve core rod 3, driver part is connected with valve core rod 3 upper end and actuating valve core bar 3 moves up and down, valve body 1 left upper portion is provided with high-pressure water inlet 11, valve body 1 lower right side is provided with high-pressure water outlet 12, valve body 1 is respectively equipped with the adpting flange 7 connected with high-pressure water inlet 11 and high-pressure water outlet 12, valve core rod 3 inside has one section of hollow chamber 31, on valve core rod 3, vertical interval is respectively equipped with the first through flow hole 32 and the second through flow hole 33 communicated with hollow chamber 31, valve pocket 2 has the runner 21 of linking up high-pressure water inlet 11 and hollow chamber 31, when valve core rod 3 moves be in the first working position time, high-pressure water inlet 11 and first through flow hole 32 on valve core rod 3 of valve body 1, second through flow hole 33 is all connected, when valve core rod 3 move down be in the second working position time, the high-pressure water inlet 11 of valve body 1 is only connected with the first through flow hole 32 on valve core rod 3 and the second through flow hole 33 on valve core rod 3 is connected with the high-pressure outlet 12 of valve body 1, it is upper that valve pocket 2 contacts with valve body 1, lower end outside face is equipped with high-pressure seal ring 8, it is upper that valve pocket 2 contacts with valve core rod 3, lower end inside face is equipped with high-pressure seal ring 8, the interior sidewall surface that the center hole of cover plate 4 contacts with valve core rod 3 is provided with high-pressure seal ring 8, high-pressure seal ring 8 is provided with between cover plate 4 and valve body 1.
Wherein, driver part 6 major control valve core rod 3 moves up and down, when valve core rod 3 by driving on moved be in upper first working position time, high pressure water inlet 11 and the high-pressure water outlet 12 of valve body 1 are obstructed; When valve core rod 3 by driving move down be in upper second working position time, high pressure water inlet 11 and the high-pressure water outlet 12 of valve body communicate.Driver part 6 comprises cylinder 61, connecting plate 62, connecting head 63, connecting rod 64 and bearing pin 65, connecting plate 62 is arranged on above valve body 1 by connecting rod 64 supporting, cylinder 61 is fixedly mounted on connecting plate 62, the tailpiece of the piston rod of cylinder 61 is fixedly connected with connecting head 63, connecting head 63 is connected by bearing pin 65 with valve core rod 3 upper end, and cylinder 61 action drives valve core rod 3 to move up and down and realizes high pressure water circuit break-make.
Particularly, when valve core rod 3 is in the first working position by cylinder 61 drive, now successively the runner 21 on high pressure water inlet 11, valve pocket 2, the first through flow hole 32 on valve core rod 3 and the second through flow hole 33 enter in the hollow chamber 31 of valve core rod 3 high pressure water, due to the effect of high-pressure seal ring 8, cut off being communicated with of hollow chamber 31 and valve chamber 13, namely high pressure water inlet 11 is obstructed with high-pressure water outlet 12; When valve core rod 3 by cylinder 61 drive move down be in the second working position time, now, the second through flow hole 33 on valve core rod 3 enters in valve chamber 13, thus make high pressure water after the first through flow hole 32 on valve core rod 3 enters hollow chamber 31, the second through flow hole 33 again on valve core rod 3 flows out in valve chamber 13, namely reaches the object that high pressure water inlet 11 communicates with high-pressure water outlet 12.
By reference to the accompanying drawings mode of execution of the present utility model is explained in detail above, but the utility model is not limited to above-mentioned mode of execution, in the ken that described technical field those of ordinary skill possesses, various change can also be made under the prerequisite not departing from the utility model aim.
Claims (2)
1. a high water pressure unloading valve, it is characterized in that: comprise valve body, valve pocket, valve core rod, cover plate, pressing plate and driver part, described valve pocket inserts the upper half part in valve body and encapsulates by pressing plate is fixing, described valve core rod to be set in valve pocket and to run through valve body, described cover plate is arranged on valve body lower end and has and stretches out center hole for valve core rod, described driver part is connected with valve core rod upper end and actuating valve core bar moves up and down, described valve body left upper portion is provided with high-pressure water inlet, described valve body lower right side is provided with high-pressure water outlet, described valve body is respectively equipped with the adpting flange connected with high-pressure water inlet and high-pressure water outlet, described valve core rod inside has one section of hollow chamber, on described valve core rod, vertical interval is respectively equipped with the first through flow hole and the second through flow hole that communicate with hollow chamber, described valve pocket has the runner of linking up high-pressure water inlet and hollow chamber, when described valve core rod moves be in the first working position time, the first through flow hole on the high-pressure water inlet of described valve body and valve core rod, second through flow hole is all connected, when described valve core rod move down be in the second working position time, the high-pressure water inlet of described valve body is only connected with the first through flow hole on valve core rod and the second through flow hole on valve core rod is connected with the high-pressure outlet of valve body, it is upper that described valve pocket contacts with valve body, face is equipped with high-pressure seal ring to lower end outside, it is upper that described valve pocket contacts with valve core rod, face is equipped with high-pressure seal ring to lower end inside, the interior sidewall surface that the center hole of described cover plate contacts with valve core rod is provided with high-pressure seal ring, high-pressure seal ring is provided with between described cover plate and valve body.
2. high water pressure unloading valve according to claim 1, it is characterized in that: described driver part comprises cylinder, connecting plate, connecting head, connecting rod and bearing pin, described connecting plate is arranged on above valve body by connecting rod supporting, described cylinder is fixedly mounted on connecting plate, the tailpiece of the piston rod of described cylinder is fixedly connected with connecting head, and described connecting head is connected by bearing pin with valve core rod upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420715992.1U CN204312747U (en) | 2014-11-24 | 2014-11-24 | A kind of high water pressure unloading valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420715992.1U CN204312747U (en) | 2014-11-24 | 2014-11-24 | A kind of high water pressure unloading valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204312747U true CN204312747U (en) | 2015-05-06 |
Family
ID=53135065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420715992.1U Expired - Fee Related CN204312747U (en) | 2014-11-24 | 2014-11-24 | A kind of high water pressure unloading valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204312747U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404579A (en) * | 2018-12-20 | 2019-03-01 | 天津市通洁高压泵制造有限公司 | A kind of extra-high pressure unloading valve |
-
2014
- 2014-11-24 CN CN201420715992.1U patent/CN204312747U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109404579A (en) * | 2018-12-20 | 2019-03-01 | 天津市通洁高压泵制造有限公司 | A kind of extra-high pressure unloading valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150506 Termination date: 20171124 |