CN201326795Y - Shut-down self-closing valve - Google Patents

Shut-down self-closing valve Download PDF

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Publication number
CN201326795Y
CN201326795Y CNU2008201993596U CN200820199359U CN201326795Y CN 201326795 Y CN201326795 Y CN 201326795Y CN U2008201993596 U CNU2008201993596 U CN U2008201993596U CN 200820199359 U CN200820199359 U CN 200820199359U CN 201326795 Y CN201326795 Y CN 201326795Y
Authority
CN
China
Prior art keywords
valve
water
spring
stop
self
Prior art date
Application number
CNU2008201993596U
Other languages
Chinese (zh)
Inventor
邢甜甜
郭南初
Original Assignee
苏州市职业大学
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 苏州市职业大学 filed Critical 苏州市职业大学
Priority to CNU2008201993596U priority Critical patent/CN201326795Y/en
Application granted granted Critical
Publication of CN201326795Y publication Critical patent/CN201326795Y/en

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Abstract

The utility model relates to a shut-down self-closing valve, comprising a valve body, a valve core, a retaining pin and a spring. The valve body is provided with a water inlet and a water outlet; a valve cavity is arranged in the valve body; the valve core is arranged in the valve cavity in a sliding way along the axial direction of the water inlet; one end of the valve core corresponding to the water inlet is provided with a sealing part matched with the water inlet and a retaining rod extends along the axial direction of the valve core on the other end; the peripheral plane of the retaining rod is provided with a retaining groove; the retaining pin is arranged on the valve body and matches and corresponds to the retaining groove; the spring consists of a first spring and a second spring; the first spring is sleeved on the retaining pin; one end of the first spring acts on the retaining pin and the other end acts on the valve body; the second spring is arranged between the retaining rod and the valve body along the axial direction of the retaining rod; and one end of the second spring acts on the valve body and the other end acts on the retaining rod. The utility model realizes the shut-down self-closing function. When nobody is on duty and water comes, water leakage is avoided and water resource is saved.

Description

Self-closing valve under water-supply off

Technical field

When relating to a kind of tap water cut-off, the utility model cuts off the device of current automatically, relate in particular to a kind of self-closing valve under water-supply off, this self-closing valve under water-supply off is installed on the feed-water end of water tap, can when cutting off the water, cut off the water pipe path automatically, play the water-stopping self-closing function, when recovering normal water supply, can not occur metalling run out, water leakage phenomenon yet, effectively saved water resources.

Background technique

In daily life, tap water is indispensable living resources, but at hydraulic pressure when not enough or other reason causes tap water supply not enough, cutting off the water will appear in resident living water and public water supply facility.The major function of the water tap that generally uses is the open and close water route at present, people are in case forget when cutting off the water and close water tap, so when recovering normal water supply, because water tap is in the enable possition, will metal run out, the phenomenon of overflowing, a large amount of tap water are run off in vain, not only waste water resource, cause damage also can for people's property, even can bring serious consequence.

Chinese patent CN2447588Y bulletin has authorized a name to be called the utility model patent of " water-stopping self-closing water tap ".This water-stopping self-closing water tap can realize that water-stopping self-closing cuts off the function of water pipe path when cutting off the water, solved people forget the waste water resource of closing water tap and bringing when cutting off the water problem.But when recovering normal water supply once more, this water-stopping self-closing water tap still water leakage phenomenon can occur, can not play good water-saving result; Because above-mentioned water-stopping self-closing control valve unit and water tap are designed to one, when self closing stop valve loses effect, damage, just must connect water tap and change together in addition, cost is higher.

Therefore, the utility model provides a kind of self-closing valve under water-supply off, to remedy deficiency of the prior art from improving the prior art angle.

Summary of the invention

The utility model provides a kind of self-closing valve under water-supply off, and its purpose mainly is that existing self-closing valve under water-supply off of solution and water tap are one, and damage the back and be difficult for replacing, and the problem that water pipe still can leak when coming water once more.

For achieving the above object, the technical solution adopted in the utility model is: a kind of self-closing valve under water-supply off comprises valve body, spool, stop pin and spring; Form water intake and water outlet on the described valve body, form valve pocket in the valve body, described spool endwisely slips along water intake and is arranged in the described valve pocket, be provided with the sealed department that cooperates with water intake on its corresponding water intake one end, the other end upper edge poppet shaft is to being extended with stop rod, and the outer edge surface of this stop rod is provided with the stop groove; Described stop pin is arranged on the valve body, cooperates corresponding with described stop groove; Described spring is made up of first spring and second spring, and wherein first spring housing is located on the stop pin, and the one end acts on stop pin, and the other end acts on valve body; Second spring is axially disposed between stop rod and the valve body along stop rod, and the one end acts on the valve body, and the other end acts on stop rod.

Related content in the technique scheme is explained as follows:

1, in the such scheme, described stop rod offers slotted hole vertically, this slotted hole axis of described valve body upper edge offers tapped hole, one end of one adjusting screw rod and described tapped hole screw-thread fit, its the other end is arranged in the slotted hole of described stop rod, second spring housing is located on this adjusting screw rod, and the one end acts on the adjusting screw rod, and the other end acts on stop rod.

2, in the such scheme, described valve body is threaded by first valve body and second valve body and constitutes.Described first valve body and the second valve body screw-thread fit joint are provided with " O " RunddichtringO.

3, in the such scheme, described sealed department is " O " RunddichtringO that is set on the spool.

4, in the such scheme, described stop groove is the ratchet section that axially is provided with along the stop rod outer edge surface.

Because the technique scheme utilization, the utility model compared with prior art has following advantage:

1, because employing of the present utility model, when cutting off the water, can cut off the water pipe path automatically, play the water-stopping self-closing function, and after coming water once more, by cooperating of stop rod and stop pin, make its water pipe path still be in dissengaged positions, when having guaranteed unmanned, can not occur metalling run out yet, water leakage phenomenon, effectively saved water resources, when the needs water, only need mention stop pin, make its with stop rod on the disengaging of stop groove, promptly can form the water pipe path, normal water has improved its use reliability.

2, because can directly being installed on the feed-water end of water tap, the utility model realizes the self-closing valve under water-supply off function, simple in structure, easy for installation; In addition, when damage changing, only need to change this self-closing valve under water-supply off and get final product, do not need to change water tap again, with respect to integral type water-stopping self-closing water tap in the past, its user cost is lower.

Description of drawings

Structural representation when accompanying drawing 1 is the utility model embodiment water passage;

Structural representation when accompanying drawing 2 cuts off the water route for the utility model embodiment.

In the above accompanying drawing: 1, first valve body; 2, second valve body; 3, spool; 4, stop pin; 5, first spring; 6, second spring; 7, adjusting screw rod; 8, stop rod; 9, stop groove; 10, slotted hole; 11, water intake; 12, drain opening; 13, threaded connection place; 14, O RunddichtringO.

Embodiment

Below in conjunction with drawings and Examples the utility model is further described:

Embodiment:

As shown in Figure 1 and Figure 2, a kind of self-closing valve under water-supply off comprises valve body, spool 3, stop pin 4 and spring; 13 screw-thread fit connect and compose valve body through the threaded connection place by first valve body 1 and second valve body 2, and are provided with O RunddichtringO 14 at the screw-thread fit end face of first valve body 1 and second valve body 2.Form water intake 11 and water outlet 12 on the valve body, form valve pocket in the valve body, described spool 3 is three variable-diameter structure, endwisely slip along water intake 11 and to be arranged in the described valve pocket, the one end cooperates with water intake 11, and by " O " RunddichtringO 14 is sealed and matched, the other end upper edge spool 3 has extended axially stop rod 8, the outer edge surface of this stop rod 8 is provided with stop groove 9, and this stop groove 9 is the ratchet section that axially is provided with along stop rod 8 outer edge surfaces.Stop pin 4 is arranged on the valve body, and it is shaped as ratchet, cooperates corresponding with above-mentioned stop groove 9 (ratchet section); Above-mentioned spring is made up of first spring 5 and second spring 6, and wherein first spring 5 is set on the stop pin 4, and the one end acts on stop pin 4, and the other end acts on valve body; Second spring 6 is axially disposed between stop rod 8 and the valve body along stop rod 8, and the one end acts on the valve body, and the other end acts on stop rod 8.Above-mentioned stop rod 8 offers slotted hole 10 vertically, these slotted hole 10 axis of second valve body, 2 upper edges offer the tapped hole (not shown), one end of one adjusting screw rod 7 and described tapped hole screw-thread fit, its the other end is arranged in the slotted hole 10 of described stop rod 8, second spring housing 6 is located on this adjusting screw rod 7, the one end acts on the adjusting screw rod 7, and the other end acts on stop rod 8.The elastic force of can corresponding hydraulic pressure regulating second spring 6 by this adjusting screw rod 7.

As shown in Figure 1, when normal water supply, the pressure balance of the pressure of current and second spring 7, spool 3 remains static, and current freely flow out by the gap of spool 3 with valve body 1 place.

As shown in Figure 2, when cutting off the water, hydraulic pressure descends, and causes the pressure of second spring 7 to be released, and moves to the water inlet segment 11 of valve body 1 thereby promote spool 3 under the elastic force effect of second spring 7, and this moment, stop pin 4 is smoothly by the ratchet section on the stop rod 8 that extends on spool 3 the other ends, and until cooperating with water inlet segment 11, the O RunddichtringO 14 on it cooperates with the end face seal of water inlet segment 11, produce excellent sealing performance, thereby play the effect of water-stopping self-closing.And when recovering normal water supply, because cooperating of stop groove 9 (ratchet section) on stop pin 4 and the stop rod 8, and under the elastic force effect of second spring 7, hydraulic pressure can not promote spool 3 and move, because the O type of spool 3 and water inlet segment 11 cooperation places seals 14 excellent sealings, make current can't pass through the sealing section again.Thereby when having guaranteed after recovering normal water supply unmanned, can not occur metalling run out, water leakage phenomenon yet, effectively save water resources.

And when the normal water of needs, only need mention the stop pin 4 on the valve body, and itself and stop groove 9 on the stop rod 8 are broken away from, promptly can form the water pipe path, normally water has improved its use reliability.

Because the utility model can directly be installed on the feed-water end of water tap and realize the self-closing valve under water-supply off function, and is simple in structure, easy for installation; In addition, when damage changing, only need to change this self-closing valve under water-supply off and get final product, do not need to change water tap again, with respect to integral type water-stopping self-closing water tap in the past, its user cost is lower.

The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.

Claims (6)

1, a kind of self-closing valve under water-supply off is characterized in that: comprise valve body, spool (3), stop pin (4) and spring; Form water intake (11) and water outlet (12) on the described valve body, form valve pocket in the valve body, described spool (3) endwisely slips along water intake (11) and is arranged in the described valve pocket, be provided with the sealed department that cooperates with water intake (11) on its corresponding water intake (11) one ends, the other end upper edge spool (3) has extended axially stop rod (8), and the outer edge surface of this stop rod (8) is provided with stop groove (9); Described stop pin (4) is arranged on the valve body, cooperates corresponding with described stop groove (9); Described spring is made up of first spring (5) and second spring (6), and wherein first spring (5) is set on the stop pin (4), and the one end acts on stop pin (4), and the other end acts on valve body; Second spring (6) is axially disposed between stop rod (8) and the valve body along stop rod (8), and the one end acts on the valve body, and the other end acts on stop rod (8).
2, self-closing valve under water-supply off according to claim 1 is characterized in that: described valve body is by first valve body (1) and second valve body (2) formation that is threaded.
3, self-closing valve under water-supply off according to claim 2 is characterized in that: described first valve body (1) is provided with " O " RunddichtringO (14) with second valve body (2) screw-thread fit joint.
4, self-closing valve under water-supply off according to claim 1, it is characterized in that: described stop rod (8) offers slotted hole (10) vertically, this slotted hole of described valve body upper edge (10) axis offers tapped hole, one end of one adjusting screw rod (7) and described tapped hole screw-thread fit, its the other end is arranged in the slotted hole (10) of described stop rod (8), second spring (6) is set on this adjusting screw rod (7), and the one end acts on the adjusting screw rod (7), and the other end acts on stop rod (8).
5, self-closing valve under water-supply off according to claim 1 is characterized in that: described sealed department is for being set in " O " RunddichtringO (14) on the spool (3).
6, self-closing valve under water-supply off according to claim 1 is characterized in that: the ratchet section of described stop groove (9) for axially being provided with along stop rod (8) outer edge surface.
CNU2008201993596U 2008-11-24 2008-11-24 Shut-down self-closing valve CN201326795Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008201993596U CN201326795Y (en) 2008-11-24 2008-11-24 Shut-down self-closing valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008201993596U CN201326795Y (en) 2008-11-24 2008-11-24 Shut-down self-closing valve

Publications (1)

Publication Number Publication Date
CN201326795Y true CN201326795Y (en) 2009-10-14

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008201993596U CN201326795Y (en) 2008-11-24 2008-11-24 Shut-down self-closing valve

Country Status (1)

Country Link
CN (1) CN201326795Y (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102478125A (en) * 2010-11-25 2012-05-30 深圳成霖洁具股份有限公司 Fixing structure of mixing faucet and using method thereof
CN102606775A (en) * 2012-03-27 2012-07-25 山东大学 Automatic safety valve
CN102678989A (en) * 2012-06-05 2012-09-19 贵州电子信息职业技术学院 Water route protective valve
CN103090099A (en) * 2013-01-28 2013-05-08 苏州宇东暖通技术有限公司 Valve with stop pin
CN104421466A (en) * 2013-08-26 2015-03-18 首安工业消防有限公司 Constant-pressure opening device
CN105757305A (en) * 2016-03-25 2016-07-13 广西水利电力职业技术学院 Automatic tap water cutoff closing device
CN105840908A (en) * 2015-01-16 2016-08-10 厦门松霖科技有限公司 Control valve with cold water drainage function and switching valve device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102478125A (en) * 2010-11-25 2012-05-30 深圳成霖洁具股份有限公司 Fixing structure of mixing faucet and using method thereof
CN102478125B (en) * 2010-11-25 2013-11-13 深圳成霖洁具股份有限公司 Fixing structure of mixing faucet and using method thereof
CN102606775A (en) * 2012-03-27 2012-07-25 山东大学 Automatic safety valve
CN102678989A (en) * 2012-06-05 2012-09-19 贵州电子信息职业技术学院 Water route protective valve
CN103090099A (en) * 2013-01-28 2013-05-08 苏州宇东暖通技术有限公司 Valve with stop pin
CN104421466A (en) * 2013-08-26 2015-03-18 首安工业消防有限公司 Constant-pressure opening device
CN104421466B (en) * 2013-08-26 2018-05-04 首安工业消防设备(河北)有限公司 A kind of constant pressure turn on device
CN105840908A (en) * 2015-01-16 2016-08-10 厦门松霖科技有限公司 Control valve with cold water drainage function and switching valve device
CN105840908B (en) * 2015-01-16 2018-03-20 厦门松霖科技股份有限公司 Control valve and selector valve device with row's cold water function
CN105757305A (en) * 2016-03-25 2016-07-13 广西水利电力职业技术学院 Automatic tap water cutoff closing device
CN105757305B (en) * 2016-03-25 2017-12-15 广西水利电力职业技术学院 A kind of tap water cut-off self closing device

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20091014

Termination date: 20101124

C17 Cessation of patent right