CN205896304U - Flow relief valve - Google Patents
Flow relief valve Download PDFInfo
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- CN205896304U CN205896304U CN201620626793.2U CN201620626793U CN205896304U CN 205896304 U CN205896304 U CN 205896304U CN 201620626793 U CN201620626793 U CN 201620626793U CN 205896304 U CN205896304 U CN 205896304U
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Abstract
The utility model provides a flow relief valve belongs to mechanical technical field. It has been solved and has resulted in easily with the impaired problem of wetting system when the water supply flow is too big in the present water supply pipe. It is including the inside valve body that is the cavity, the both ends of valve body are held for intaking respectively and are gone out the water end (W. E. ), be equipped with into water case and stagnant water case in the valve body, it is equipped with the spring to intake between case and the stagnant water case, the both ends of spring are pushed up respectively and are leaned on on intake case and stagnant water case, and end and valve body will be intake to the case of intaking under the spring action of spring on the back port that leans on the end of intaking cavity is linked together, the stagnant water case support to lean on on the preceding port of a water end (W. E. ) and with the cavity of valve body with go out the water end (W. E. ) and be linked together, the spring action that is greater than the spring when the end water pressure of intaking makes intakes that case depression is moved and to support when leaning on on the stagnant water case, intake and cut off between end and the play water end (W. E. ). It have simple structure, can be in the flow advantage such as self -closing valve when too big of intaking.
Description
Technical field
This utility model belongs to field of mechanical technique, is related to a kind of flow safety valve.
Background technology
In existing water system, water equipment is typically directly connected to water supply line, under normal circumstances, is being set with water
For when opening, current continuously enter in water equipment for using in water supply line.But, when water supply line occurs
Abnormal, when leading to the water supply flow in water supply line excessive, water equipment can be led to impaired.
Although Chinese patent was once disclosed the relief valve that some can be automatically switched off, play safety effect, such as Application No.
201410384889.8 a kind of high-flow safety valve, the high-flow safety valve of Application No. 200910138404.6 etc., but this
Class flow safety valve is all to apply under the environment under high pressure in chemical petroleum field, is not suitable for the lower pressure environment of tap water pipe line
In.
Content of the invention
The purpose of this utility model is the problems referred to above existing for prior art it is proposed that a kind of flow safety valve, institute
Technical problem to be solved be how when flow of inlet water is excessive automatically by valve closing, it is to avoid be connected to the use of valve rear end
Wetting system is impaired.
The purpose of this utility model can be realized by following technical proposal:
A kind of flow safety valve, including the internal valve body for cavity, the two ends of valve body are respectively water inlet end and water side, its
It is characterised by, be provided with described valve body into water valve element and water stop valve core, between described water inlet valve element and water stop valve core, be provided with spring,
The two ends of described spring act against respectively on water valve element and water stop valve core, and under the elastic force effect of spring water inlet valve element against
It is connected with the cavity of valve body on the rear port of water inlet end and by water inlet end, water stop valve core is resisted against on the front port of water side
And the cavity of valve body is connected with water side, when the elastic force effect that water inlet end hydraulic pressure is more than spring makes water inlet valve element inwardly move
When moving and being resisted against on water stop valve core, separated between water inlet end and water side.
During use, the water inlet end of valve is connected with water supply line, the water side of valve is connected with water equipment, initially
State, flow of inlet water all the time when, the elastic force of spring is more than the hydraulic pressure of water inlet, and the current in water inlet end pass through water inlet valve element and enter into
In the cavity of valve body, then flowed out from inside to outside by the water side that water stop valve core enters into valve body in the cavity of valve body.
When flow of inlet water is excessive, the hydraulic pressure of water inlet is more than the elastic force of spring, in the presence of water feeding pressure, valve element of intaking
The elastic force overcoming spring acts on and moves inward, after valve element of intaking is resisted against on water stop valve core, the water inlet end of valve body and water outlet
Path between end is separated so that the current in water inlet end cannot be flowed in the water side of valve body, and valve is thus automatic
Close, so that the equipment being connected to this flow safety valve rear end will not be excessive and impaired because of discharge.Work as flow of inlet water
When being gradually reduced, the elastic force of spring is more than the hydraulic pressure of water inlet again, and water inlet valve element resets under the elastic force effect of spring, valve by
This is switched on again.
In above-mentioned flow safety valve, described water inlet valve element provides vertically by the water inlet end of valve body and valve body
Cavity connection inlet opening, when the front end Shang Shi inlet opening that the rear port of inlet opening is resisted against water stop valve core is closed.
The inlet opening that discharge in water inlet end is passed through to intake on valve element can enter in the cavity of valve body, and by only
Return valve element and enter into water outlet in water side.When flow of inlet water is excessive, the hydraulic pressure in water inlet end is more than the elastic force of spring, water intaking valve
Core is moved inward by hydraulic pressure effect, after the rear port of the inlet opening on valve element of intaking is resisted against on the front end of non-return valve core, enters
Inlet opening on water valve core is closed, so that valve is closed, the water in water inlet end cannot enter back in water side.
In above-mentioned flow safety valve, the sidepiece of described water stop valve core is provided with some apopores, described valve body
Cavity is connected by apopore with water side, and the rear end part of described inlet opening is tapered, before described water stop valve core
End has tapered sealing, and described sealing is inserted into closing in the rear end of inlet opening and by inlet opening.
The cavity of valve body is connected by the apopore on water stop valve core with water side, and the current in water inlet end pass through water intaking valve
Inlet opening on core enters in the cavity of valve body, and can enter into the water side of valve body by the apopore on water stop valve core
Interior.
When valve element of intaking moves to water stop valve core, the tapered sealing in water stop valve core outer end is inserted into on water valve element
Tapered inner in inlet opening in, thus closing inlet opening, valve is thus closed sealing.
In above-mentioned flow safety valve, the rear end of described water stop valve core is in circular base, described sealing
The front end of valve element is in block locating piece, and described locating piece is fixed on the central hole of base and apopore is located at locating piece
It is connected above and with the centre bore of base, described sealing position is in the front end of locating piece.
After current in water inlet end are entered in the cavity of valve by valve element of intaking, pass sequentially through the water outlet on locating piece
Centre bore on hole and base just can carry out water outlet in the water side of flow valve.
In above-mentioned flow safety valve, outside the described sealing of water stop valve core, offer cannelure, described ring
It is provided with O-ring seal, the outer rim of the sealing ring described in when sealing inserts in the rear end of inlet opening is fitted in into water in shape groove
On the medial wall of hole rear end part.
When the sealing of water stop valve core outer end is inserted in into the inner end portion of the inlet opening on water valve element, ring packing
The outer rim of circle is fitted on the medial wall of inlet opening rear end part, so that the clearance seal between inlet opening and sealing, enters
Water hole is thus closed.
In above-mentioned flow safety valve, at the described rear port of water inlet end, there is taper overmoving surface.
On the rear port of the water inlet end that water inlet valve element is resisted against valve body under the elastic force effect of spring, after water inlet end
Port has taper overmoving surface, and when the discharge in water inlet end is excessive, the hydraulic pressure in water inlet end is made by taper overmoving surface
It is used on water inlet valve element, so that the elastic force overcoming spring into water valve element is acted on and move to water stop valve core.
Compared with prior art, this flow safety valve passes through setting water inlet valve element and water outlet valve element in valve body, and is entering
Between water valve core and water outlet valve element, spring is set, using spring force, valve is automatically held in when flow of inlet water is moderate and opens
State, utilize when flow of inlet water is excessive the pressure of current will intake valve element to water stop valve core mobile come automatically by valve closing,
Thus avoiding the water equipment being connected to valve rear end to be damaged because flow of inlet water is excessive.
Brief description
Fig. 1 is the sectional view of this flow safety valve.
Fig. 2 is the schematic diagram of water stop valve core in this flow safety valve.
In figure, 1, valve body；1a, body；1a1, water side；1b, union joint；1b 1, water inlet end；1b 11, taper are stepped down
Face；2nd, water inlet valve element；2a, inlet opening；3rd, water stop valve core；3a, base；3b, locating piece；3b 1, apopore；3b2, sealing；
3b3, cannelure；4th, spring；5th, annular seal groove；6th, o type circle；7th, water inlet adapter.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, the technical solution of the utility model is made further
Description, but this utility model is not limited to these embodiments.
Embodiment one
As depicted in figs. 1 and 2, a kind of flow safety valve, including the internal valve body 1 for cavity, the two ends of valve body 1 are respectively
Water inlet end 1b1 and water side 1a1, being provided with close water inlet end 1b1 in valve body 1 being capable of entering along the axial movement of valve body 1
Water valve core 2, water inlet valve element 2 has provided inlet opening 2a vertically, the cavity in the water inlet end 1b1 of valve body 1 and valve body 1 pass through into
Water hole 2a is connected, and is provided with o type circle 6 between water inlet valve element 2 outside and the inwall of valve body 1.Near water side 1a1 in valve body 1
Place is fixed with water stop valve core 3, and the rear end of water stop valve core 3 is that the front end of water stop valve core 3 is in block in circular base 3a
Locating piece 3b, locating piece 3b be fixed on base 3a central hole and positioning seat 3b sidepiece be provided with some with base 3a in
The apopore 3b 1 that heart hole is connected, the cavity in valve body 1 passes through the apopore on locating piece 3b with the water side 1a1 of valve body 1
Centre bore on 3b1 and base 3a is connected, and is provided with o type circle 6 between water stop valve core 3 outside and the inwall of valve body 1.In this enforcement
In example, the port of water inlet end 1b1 has taper overmoving surface 1b11.
It is provided with spring 4, the two ends of spring 4 act against respectively into water valve element 2 and stop between water inlet valve element 2 and water stop valve core 3
On water valve core 3, on the rear port that water inlet valve element 2 is resisted against water inlet end 1b1 under the elastic force effect of spring 4, water stop valve core 3 is in bullet
It is resisted against on the front port of water side 1a1 under the elastic force effect of spring 4.The rear end part of the inlet opening 2a of water inlet valve element 2 is tapered,
The front end of the locating piece 3b of water stop valve core 3 has tapered sealing 3b2, sealing 3b2 and inlet opening 2a just to setting, close
The outside of envelope portion 3b2 is provided with cannelure 3b3, is provided with O-ring seal 5 in cannelure 3b3.
In the present embodiment, valve body 1 includes cylindrical circular body 1a and union joint 1b, and water side 1a1 is located at body
On 1a, one end bolt of another end opening of body 1a and union joint 1b and body 1a opening, water inlet end 1b1 is located at union joint
On 1b, it is bolted with into water adapter 7 in water inlet end 1b1.
During use, the water inlet end 1b1 of valve is connected with water supply line, the water side 1a1 of valve and water equipment phase
Connect, original state, the flow of inlet water in water inlet end 1b1 is moderate, intake pressure is less than the elastic force of spring 4, in water inlet end 1b1
Current enter in the cavity of valve body 1 by the inlet opening 2a on valve element 2 of intaking, and then pass sequentially through on water stop valve core 3 again
Centre bore on the apopore 3b1 of locating piece 3b sidepiece and base 3a enters in the 1a1 of water side, and eventually flows to valve rear end
Equipment.
When the flow of inlet water in water inlet end 1b1 is gradually increased, intake pressure is more than the elastic force of spring 4, in the effect of hydraulic pressure
Under, the elastic force that valve element 2 of intaking overcomes spring 4 is acted on and moves to water stop valve core 3, water stop valve core 3 by the current in water inlet end 1b1
On sealing 3b2 be inserted into in the rear end of inlet opening 2a on water valve element 2, be arranged at the O-ring seal 5 on sealing 3b2
Outer rim be fitted on the inwall of inlet opening 2a, thus by the clearance seal between sealing 3b2 and inlet opening 2a, valve element of intaking
Inlet opening 2a on 2 is thus closed, and the path between water inlet end 1b1 and water side 1a1 is separated, and water cannot be flowed into water outlet
In the 1a1 of end, valve is thus automatically switched off, thus protecting the equipment being connected to valve rear end will not be excessive because of flow of inlet water
And it is impaired.After the flow of inlet water of water inlet end 1b1 diminishes, intake pressure is less than the elastic force of spring 4 again, and water inlet valve element 2 is in spring 4
Elastic force effect lower reset, inlet opening 2a is opened again, valve water outlet again.
Specific embodiment described herein is only explanation for example to this utility model spirit.This utility model institute
Belong to those skilled in the art described specific embodiment can be made with various modifications or supplement or using similar
Mode substitute, but without departing from of the present utility model spirit or surmount scope defined in appended claims.
Claims (6)
1. a kind of flow safety valve, including the internal valve body (1) for cavity, the two ends of valve body (1) be respectively water inlet end (1b1) and
Water side (1a1) is it is characterised in that be provided with described valve body (1) into water valve element (2) and water stop valve core (3), described water inlet valve element
(2) it is provided with spring (4) and water stop valve core (3) between, the two ends of described spring (4) act against respectively into water valve element (2) and sealing
On valve element (3), and water inlet valve element (2) is resisted against on the rear port of water inlet end (1b1) and will enter under the elastic force effect of spring (4)
Water end (W.E.) (1b1) is connected with the cavity of valve body (1), and water stop valve core (3) is resisted against on the front port of water side (1a1) and by valve body
(1) cavity is connected with water side (1a1), when the elastic force effect that water inlet end (1b1) hydraulic pressure is more than spring (4) makes water intaking valve
When core (2) moves inward and is resisted against on water stop valve core (3), separated between water inlet end (1b1) and water side (1a1).
2. flow safety valve according to claim 1 is it is characterised in that provide vertically on described water inlet valve element (2)
There is the inlet opening (2a) that the water inlet end (1b1) of valve body (1) is connected with the cavity of valve body (1), when the rear port of inlet opening (2a)
The front end Shang Shi inlet opening (2a) being resisted against water stop valve core (3) is closed.
3. flow safety valve according to claim 2 it is characterised in that described water stop valve core (3) if sidepiece be provided with
Do water hole (3b1), the described cavity of valve body (1) is connected by apopore (3b1) with water side (1a1), and described enters
The rear end part in water hole (2a) is tapered, and the front end of described water stop valve core (3) has tapered sealing (3b2), described
Sealing (3b2) be inserted in the rear end of inlet opening (2a) and by inlet opening (2a) close.
4. flow safety valve according to claim 3 is it is characterised in that the rear end of described water stop valve core (3) is in circle
The base (3a) of ring-type, the front end of described water stop valve core (3) is in block locating piece (3b), and described locating piece (3b) is solid
It is scheduled on the central hole of base (3a) and apopore (3b1) is located at locating piece (3b) above and is connected with the centre bore of base (3a)
Logical, described sealing (3b2) is located at the front end of locating piece (3b).
5. flow safety valve according to claim 4 is it is characterised in that the sealing (3b2) of described water stop valve core (3)
Outside offers cannelure (3b3), is provided with O-ring seal (5) in described cannelure (3b3), when sealing (3b2) insertion
The outer rim of the sealing ring (5) described in when in the rear end of inlet opening (2a) is fitted on the medial wall of inlet opening (2a) rear end part.
6. the flow safety valve according to claim 1 or 2 or 3 or 4 or 5 is it is characterised in that described water inlet end (1b1)
Rear port at there is taper overmoving surface (1b11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626793.2U CN205896304U (en) | 2016-06-21 | 2016-06-21 | Flow relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626793.2U CN205896304U (en) | 2016-06-21 | 2016-06-21 | Flow relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205896304U true CN205896304U (en) | 2017-01-18 |
Family
ID=57768585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620626793.2U Active CN205896304U (en) | 2016-06-21 | 2016-06-21 | Flow relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205896304U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676489A (en) * | 2017-10-12 | 2018-02-09 | 江苏广鸿环境工程有限公司 | The automatic Load adjusting apparatus of ultra-clean demister in a kind of desulfurizing tower |
| CN112443686A (en) * | 2019-08-10 | 2021-03-05 | 天津市远大工贸有限公司 | Filter system protector capable of automatically closing water path |
-
2016
- 2016-06-21 CN CN201620626793.2U patent/CN205896304U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676489A (en) * | 2017-10-12 | 2018-02-09 | 江苏广鸿环境工程有限公司 | The automatic Load adjusting apparatus of ultra-clean demister in a kind of desulfurizing tower |
| CN107676489B (en) * | 2017-10-12 | 2019-04-19 | 江苏广鸿环境工程有限公司 | The automatic Load of ultra-clean demister adjusts device in a kind of desulfurizing tower |
| CN112443686A (en) * | 2019-08-10 | 2021-03-05 | 天津市远大工贸有限公司 | Filter system protector capable of automatically closing water path |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |