CN202629098U - Leakage prevention valve - Google Patents
Leakage prevention valve Download PDFInfo
- Publication number
- CN202629098U CN202629098U CN 201220317753 CN201220317753U CN202629098U CN 202629098 U CN202629098 U CN 202629098U CN 201220317753 CN201220317753 CN 201220317753 CN 201220317753 U CN201220317753 U CN 201220317753U CN 202629098 U CN202629098 U CN 202629098U
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- valve
- cavity
- boss
- annular
- valve plug
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- Expired - Fee Related
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Abstract
The utility model discloses a leakage prevention valve. The leakage prevention valve comprises a valve body and a valve core assembly; an annular baffle boss is arranged in the middle of a valve cavity channel of the valve body; the valve cavity channel is divided by the annular baffle boss into a first cavity and a second cavity; a through hole is formed in the center of the annular baffle boss; the valve core assembly is arranged in the second cavity; the valve core assembly comprises a valve plug, a compression spring and a support block; the valve plug comprises a sealing plate and an adjustment rod; the sealing plate is positioned underneath the annular baffle boss; the adjustment rod of the valve plug is positioned in the through hole of the annular baffle boss; a first sealing ring is arranged between the annular baffle boss and the sealing plate; a gap is reserved between the adjustment rod and the annular baffle boss; the top of the compression ring is pressed against the valve plug, and the bottom of the compression ring is pressed against the support block; under the action of the elasticity of the compression spring, the first sealing ring is tightly pressed on the lower surface of the annular baffle boss by the sealing plate of the valve plug; and the top of the adjustment rod of the valve plug is extended into the first cavity. The leakage prevention valve can be automatically opened and closed and can effectively prevent flow from being leaked.
Description
Technical field
The utility model belongs to the valve arrangement design field, the leakproof valve of be specifically related to a kind of anti-gas-leak, leaking.
Background technique
The use in daily life of liquefaction coal gas tank is very general, convenience is provided for people's life.But the main valve of existing gas-tank mostly adopts stopcock, is the keying that the moving rotation of armrest valve plug is controlled gas-tank, thereby can cause gas leakage because stopcock is not tightened after using unavoidably; In addition; Coal gas is changed website need the to substitute the bad for the good gas-tank of coal gas and is sent back to the user; For ease, in transporting, tend to several jars of disposable shipments, tens jars even tens jars, do not cause gas leakage if the stopcock of gas-tank is tightened; Frequent bump between gas-tank in the way is explosion caused possibly in addition.Thereby a kind of effectively control valve of anti-leak of urgent need on the market.
The model utility content
To the deficiency that exists in the background technique, the utility model provides a kind of and realizes automatic on-off and can prevent effectively that the leakproof valve of leaking takes place fluid.
The technological scheme that realizes the utility model purpose is:
A kind of leakproof valve comprises valve body that is provided with the valve pocket passage and the mangetic core assembly that is used to open and close the valve pocket passage; Be provided with annular in said valve pocket channel middle and stop boss, said annular stops that boss is divided into first cavity and second cavity with said valve pocket passage, and said annular stops that the center of boss is provided with the perforation of UNICOM's first cavity and second cavity; Said mangetic core assembly is arranged in said second cavity;
Said mangetic core assembly comprises valve plug, is used to the support block that has central through bore that valve plug provides the stage clip of reseting elasticity and is arranged on the second cavity outlet port;
Said valve plug comprises seal disc and the adjustable lever that links to each other with seal disc; Said seal disc is positioned at the below that annular stops boss; Its adjustable lever is arranged in the perforation that said annular stops boss; Stop in annular to be provided with first seal ring between boss and the seal disc that said adjustable lever and said annular stop and leave the space between the boss;
The top of said stage clip is against on the said valve plug, and its bottom is against on the support block;
Under the elastic force effect of stage clip, the seal disc of said valve plug is pressed on annular with first seal ring to be stopped on the lower surface of boss, and the adjustable lever top of said valve plug is passed said annular and stopped that the perforation of boss stretches in first cavity.
In the technique scheme, said stage clip is the turriform stage clip, convexes with boss in said seal disc lower ends downward, and the top of turriform stage clip is set on the said boss.
In the technique scheme, the inwall of said second cavity is provided with internal thread, and the outer wall of said support block is provided with outside thread, and said support block and second cavity are through being threaded.
In the technique scheme, the bottom of said support block is provided with the breach with its central through bore UNICOM.
In the technique scheme, the end face that said valve body is provided with second cavity, one end is provided with annular groove, in this annular groove, is provided with second seal ring.
In the technique scheme, on the valve interior wall that said first cavity, one end is set, be provided with internal thread, the said second cavity outer wall is provided with outside thread.
In the technique scheme, the shape of cross section of the adjustable lever of said valve plug is " ten " font.
The utlity model has positive effect:
(1) mangetic core assembly of the leakproof valve in the utility model comprises valve plug, the stage clip of reseting elasticity is provided and is arranged on the support block that has central through bore in the second cavity outlet port for valve plug; Said valve plug comprises seal disc and the adjustable lever that links to each other with seal disc; Said seal disc is positioned at the below that annular stops boss; Its adjustable lever is arranged in the perforation that said annular stops boss; Stop in annular to be provided with first seal ring between boss and the seal disc that said adjustable lever and said annular stop and leave the space between the boss; The top of said stage clip is against on the said valve plug, and its bottom is against on the support block; Under the effect of stage clip elastic force, the seal disc of said valve plug is pressed on annular with first seal ring to be stopped on the lower surface of boss, and the adjustable lever top of said valve plug is passed said annular and stopped that the perforation of boss stretches in first cavity.First cavity, one end of the leakproof valve valve body of said structure with process that joint is connected in promptly to the joint end in the second cavity direction moving process gradually with adjustable lever to pressing down, and then drive seal disc and leave annular and stop boss and make first cavity and the second cavity UNICOM come the valve pocket passage of conducting valve body; Joint is in away from the first cavity direction moving process when taking off joint; Under the reseting elasticity effect of stage clip; Seal disc stops on the lower surface of boss to stopping that near annular the boss direction moves and then first seal ring is pressed on annular, thereby closes the valve pocket passage, and the leakproof valve of above structure has realized automatic on-off; Need not manually rotate cock and come control valve; Have high reliability, Safety performance is good, and can prevent effectively that fluid (inflammable, explosive like coal gas, acetylene etc., poisonous gas or liquid) leaks.
(2) the said stage clip in the utility model is the turriform stage clip, convexes with boss in said seal disc lower ends downward, and the top of turriform stage clip is set on the said boss.Through being employed in the stage clip of this structure, structure is more reasonable, can prevent effectively that stage clip from use misplacing.
(3) inwall of said second cavity in the utility model is provided with internal thread; The outer wall of said support block is provided with outside thread; Said support block and second cavity are through being threaded, and be more simple with being connected of valve body, reliable through adopting this Placement support block.
(4) the end face that second cavity, one end is set of the said valve body in the utility model is provided with annular groove, in this annular groove, is provided with second seal ring.Can guarantee the sealability after leakproof valve is installed through set up second seal ring at valve end.
(5) the utility model is provided with internal thread on the valve interior wall that said first cavity, one end is set, and the said second cavity outer wall is provided with outside thread, adopts this structure to be convenient to the installation of leakproof valve.
(6) shape of cross section of the adjustable lever of the said valve plug in the utility model is " ten " font, and it is more smooth and easy when the annular of flowing through stops the perforation of boss to adopt this structure can be convenient to fluid.
Description of drawings
Fig. 1 is a kind of forward view of leakproof valve in the utility model;
A kind of sectional view of Fig. 2 for dissecing along the A-A line among Fig. 1;
Fig. 3 is in the structural representation of blast state for Fig. 1;
Reference character shown in the figure is:
The 1-valve body; The 11-annular stops boss; 12-first cavity; 13-second cavity; The 14-perforation; The 15-annular groove; The 2-valve plug; The 21-seal disc; The 22-adjustable lever; The 23-boss; The 3-stage clip; The 4-support block; The 41-central through bore; The 42-breach; 5-first seal ring; 6-second seal ring.
Embodiment
(embodiment 1)
Fig. 1 to Fig. 3 has shown a kind of embodiment of the utility model.Wherein, Fig. 1 is a kind of forward view of leakproof valve in the utility model; A kind of sectional view of Fig. 2 for dissecing along the A-A line among Fig. 1; Fig. 3 is in the structural representation of blast state for Fig. 1.
A kind of leakproof valve, as shown in the figure, comprise valve body 1 that is provided with the valve pocket passage and the mangetic core assembly that is used to open and close the valve pocket passage; Be provided with annular in said valve pocket channel middle and stop boss 11; Said annular stops that boss 11 is divided into first cavity 12 and second cavity 13 with said valve pocket passage, and said annular stops that the center of boss 11 is provided with the perforation 14 of UNICOM's first cavity 12 and second cavity 13; Said mangetic core assembly is arranged in said second cavity 13; Said mangetic core assembly comprises valve plug 2, is used to the support block that has central through bore 41 4 that valve plug 2 provides the stage clip 3 of reseting elasticity and is arranged on second cavity, 13 outlet ports.Said valve plug 2 comprises seal disc 21 and the adjustable lever 22 that links to each other with seal disc 21; Said seal disc 21 is positioned at the below that annular stops boss 11; Its adjustable lever 22 is arranged in the perforation 14 that said annular stops boss 11; Stop in annular to be provided with first seal ring 5 between boss 11 and the seal disc 21 that said adjustable lever 22 and said annular stop between the boss 11 and leave the space; The top of said stage clip 3 is against on the said valve plug 2, and its bottom is against on the support block 4; Under the reseting elasticity effect of stage clip 3, the seal disc 21 of said valve plug 2 is pressed on annular with first seal ring 5 to be stopped on the lower surface of boss 11, and adjustable lever 22 tops of said valve plug 2 are passed said annular and stopped that the perforation 14 of boss 11 stretches in first cavity 12.
In the present embodiment, the shape of cross section of the adjustable lever 22 of said valve plug 2 is " ten " font.
In order to prevent that stage clip 3 from use misplacing, the said stage clip 3 in the present embodiment adopts the turriform stage clip, convexes with boss 23 in said seal disc 21 lower ends downward, and the top of turriform stage clip is set on the said boss 23.
In the present embodiment; The inwall of said second cavity 13 is provided with internal thread; The outer wall of said support block 4 is provided with outside thread, and said support block 4 and second cavity 13 are through being threaded, and be more simple with being connected of valve body 1, reliable through adopting this Placement support block 4.
The bottom of said support block 4 is provided with the breach 42 with its central through bore 41 UNICOMs.
The end face that said valve body 1 is provided with second cavity, 13 1 ends is provided with annular groove 15, in this annular groove 15, is provided with second seal ring 6, can guarantee the sealability of leakproof valve after installation through second seal ring 6 is set, can be referring to Fig. 2.
In the present embodiment; On valve body 1 inwall that said first cavity, 12 1 ends are set, be provided with internal thread; The joint that is connected with valve body 1 first cavity 12 1 ends is provided with the outside thread that matches with the internal thread of first cavity 12, and said joint adopts with said first cavity 12 and is threaded, and said second cavity, 13 outer walls are provided with outside thread; As when using this leakproof valve on gas-tank; Outside thread through on second air, 13 outer walls is connected with gas-tank, and further seals through second seal ring 6, adopts this structure can be convenient to the installation of leakproof valve.
The leakproof valve using process of said structure; At first the valve body of leakproof valve is connected on gas-tank or the pipeline through the outside thread of second cavity, 12 ends; Valve body 1 the other end is connected with detachable connector; First cavity, 12 1 ends of valve body 1 with process that joint is connected in be that the end of joint presses down adjustable lever 22 near second cavity, 13 direction moving process gradually, leave annular and stop that boss 11 makes first cavity 12 and 13 conductings of second cavity thereby adjustable lever 22 drives seal disc 21 in the process that moves; Be that joint is in away from second cavity, 13 direction moving process in taking off the process of joint; Under the elastic force effect of stage clip 3; Seal disc 21 stops on the lower surface of boss 11 to stopping that near annular boss 11 directions move and then first seal ring 5 is pressed on annular, thereby closes the valve pocket passage.
Obviously, the foregoing description of the utility model only be for explain clearly that the utility model does for example, and be not to be qualification to the mode of execution of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all mode of executions.And conspicuous variation that these connotations that belong to the utility model are extended out or change still belong to the protection domain of the utility model.
Claims (7)
1. a leakproof valve comprises valve body (1) that is provided with the valve pocket passage and the mangetic core assembly that is used to open and close the valve pocket passage; Be provided with annular in said valve pocket channel middle and stop boss (11); Said annular stops that boss (11) is divided into first cavity (12) and second cavity (13) with said valve pocket passage, and said annular stops that the center of boss (11) is provided with the perforation (14) of UNICOM's first cavity (12) and second cavity (13); Said mangetic core assembly is arranged in second cavity (13);
It is characterized in that: said mangetic core assembly comprises valve plug (2), the stage clip (3) of reseting elasticity is provided and is arranged on the support block that has central through bore (41) (4) in second cavity (13) outlet port for valve plug (2);
Said valve plug (2) comprises seal disc (21) and the adjustable lever (22) that links to each other with seal disc (21); Said seal disc (21) is positioned at the below that annular stops boss (11); Its adjustable lever (22) is arranged in the perforation (14) that said annular stops boss (11); Stop between boss (11) and the seal disc (21) in annular to be provided with first seal ring (5) that said adjustable lever (22) and said annular stop between the boss (11) and leave the space;
The top of said stage clip (3) is against on the said valve plug (2), and its bottom is against on the support block (4);
Under stage clip (3) elastic force effect; The seal disc (21) of said valve plug (2) is pressed on annular with first seal ring (5) to be stopped on the lower surface of boss (11), and adjustable lever (22) top of said valve plug (2) is passed said annular and stopped that the perforation (14) of boss (11) stretches in first cavity (12).
2. leakproof valve according to claim 1 is characterized in that: said stage clip (3) is the turriform stage clip, convexes with boss (23) in said seal disc (21) lower ends downward, and the top of turriform stage clip is set on the said boss (23).
3. leakproof valve according to claim 2 is characterized in that: the inwall of said second cavity (13) is provided with internal thread, and the outer wall of said support block (4) is provided with outside thread, and said support block (4) and second cavity (13) are through being threaded.
4. leakproof valve according to claim 3 is characterized in that: the bottom of said support block (4) is provided with the breach (42) with its central through bore (41) UNICOM.
5. according to each described leakproof valve in the claim 1 to 4, it is characterized in that: the end face that said valve body (1) is provided with second cavity (13) one ends is provided with annular groove (15), in this annular groove (15), is provided with second seal ring (6).
6. leakproof valve according to claim 5 is characterized in that: be provided with internal thread being provided with on valve body (1) inwall of said first cavity (12) one ends, said second cavity (13) outer wall is provided with outside thread.
7. leakproof valve according to claim 1 is characterized in that: the shape of cross section of the adjustable lever (22) of said valve plug (2) is " ten " font.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220317753 CN202629098U (en) | 2012-06-29 | 2012-06-29 | Leakage prevention valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220317753 CN202629098U (en) | 2012-06-29 | 2012-06-29 | Leakage prevention valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202629098U true CN202629098U (en) | 2012-12-26 |
Family
ID=47382303
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220317753 Expired - Fee Related CN202629098U (en) | 2012-06-29 | 2012-06-29 | Leakage prevention valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202629098U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940042A (en) * | 2017-11-24 | 2018-04-20 | 广东万家乐燃气具有限公司 | A kind of anti-clogging check valve and central hot-water system |
| CN110387695A (en) * | 2019-08-23 | 2019-10-29 | 珠海格力电器股份有限公司 | Washing liquid box, water box and washing machine |
-
2012
- 2012-06-29 CN CN 201220317753 patent/CN202629098U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940042A (en) * | 2017-11-24 | 2018-04-20 | 广东万家乐燃气具有限公司 | A kind of anti-clogging check valve and central hot-water system |
| CN107940042B (en) * | 2017-11-24 | 2024-04-05 | 广东万家乐燃气具有限公司 | Anti-blocking one-way valve and central hot water system |
| CN110387695A (en) * | 2019-08-23 | 2019-10-29 | 珠海格力电器股份有限公司 | Washing liquid box, water box and washing machine |
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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: 20121226 Termination date: 20150629 |
|
| EXPY | Termination of patent right or utility model |