CN209458443U - Water hammer-resistant tap safety valve - Google Patents
Water hammer-resistant tap safety valve Download PDFInfo
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- CN209458443U CN209458443U CN201822131151.7U CN201822131151U CN209458443U CN 209458443 U CN209458443 U CN 209458443U CN 201822131151 U CN201822131151 U CN 201822131151U CN 209458443 U CN209458443 U CN 209458443U
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- safety valve
- water
- pressure relief
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- ring
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Abstract
The utility model discloses a kind of water hammer-resistant tap safety valves, it is related to valve technology field, its key points of the technical solution are that: including main body, body interior is provided with channel, the both ends difference water inlet and water outlet in channel, body interior is provided with the fuse for control channel opening and closing, pressure relief safety valve is provided in main body wall, pressure relief safety valve is between fuse and water inlet, when the hydraulic pressure of body interior is higher than the preset value of pressure relief safety valve, pressure relief safety valve is opened, and the water inside portion body is discharged via pressure relief safety valve.If the hydraulic pressure inside runner it is excessive and be higher than pressure relief safety valve preset pressure value when, pressure relief safety valve is opened, later, part water between fuse and water inlet is discharged via pressure relief safety valve, so that the hydraulic pressure between fuse and water inlet reduces, to guarantee that the water hammer-resistant tap safety valve is not easy to damage because hydraulic pressure is excessive in use, the service life of the water hammer-resistant tap safety valve is improved to a certain extent.
Description
Technical field
The utility model relates to valve technology field, in particular to a kind of water hammer-resistant tap safety valve.
Background technique
Currently, the Chinese patent that notification number is CN203627834U discloses a kind of washing machine Special water tap, including valve
Body, valve deck, core assembly, valve rod and handle, the valve inner are cavity, and valve body one end is provided with water inlet pipe, the other end
It is provided with outlet pipe, valve deck is assemblied in the oral area of valve body, and valve rod is threaded through in valve deck, and the outer end depths valve body of valve rod is outer and handle
It is connected, core assembly is set to valve inner and is driven by valve rod.When needing to open in the tap, user's swing handle
It is rotated with band ovable valve stem, control core assembly is opened when valve rod rotates, and water enters valve inner and final from water inlet pipe later
It is discharged from water outlet pipe part.But in use, if the hydraulic pressure inside the tap is excessive, which can not voluntarily be let out
Pressure, so that the tap is easy just to damage because pressure is excessive.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of water hammer-resistant tap safety
Valve, have when pressure is excessive, can self pressure relief, be not easy the advantage damaged because pressure is excessive.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of water hammer-resistant tap
Safety valve, including main body, the body interior are provided with channel, and the both ends in the channel are respectively to supply water to flow into the main body
Water inlet supplies water and flows out the water outlet of the main body, and the body interior is provided with fuse, and the fuse is described logical for controlling
Road opening and closing, is provided with pressure relief safety valve in the main body wall, and the pressure relief safety valve connection is in the channel, and the pressure release
Safety valve is between the fuse and the water inlet, when the hydraulic pressure of the body interior is higher than the preset value of pressure relief safety valve
When, pressure relief safety valve is opened, and the water inside portion body is discharged via pressure relief safety valve.
Through the above technical solutions, controlling runner when needing using the tap safety valve by fuse and opening, later
Water enters body interior from water inlet, and is discharged from water outlet.During this, if the hydraulic pressure inside runner it is excessive and
Higher than pressure relief safety valve preset pressure value when, pressure relief safety valve open, later, the part water between fuse and water inlet
It is discharged via pressure relief safety valve, so that the hydraulic pressure between fuse and water inlet reduces, to guarantee the water hammer-resistant tap safety valve
It is not easy to damage because hydraulic pressure is excessive in use, improves making for the water hammer-resistant tap safety valve to a certain extent
Use the service life.
Preferably, the bottom of the main body is provided with attachment base, and deflector hole, the deflector hole are offered on the attachment base
Connection is threadedly connected on the attachment base in the channel, the pressure relief safety valve.
Through the above technical solutions, attachment base is set to the bottom of valve body, and pressure relief safety valve is threadedly connected to attachment base
On, during the water inside runner is discharged via relief valve, which does not need that self gravity is overcome to do manual work, so that letting out
The process of pressure becomes more smoothly, efficient.And when pressure relief safety valve damages, it is only necessary to turn pressure relief safety valve
Pressure relief safety valve is removed and replaced.
Preferably, the first sealing ring is sealed between the attachment base and the pressure relief safety valve.
Through the above technical solutions, the first sealing ring being set between attachment base and pressure relief safety valve can be to attachment base
Gap between pressure relief safety valve is sealed, so that the water inside runner is not easy between attachment base and pressure relief safety valve
It is flowed out in gap, reduces the waste of water resource.
Preferably, the attachment base forms baffle ring close to the end necking of the main body, and the baffle ring contacts at described let out
Press the end of safety valve.
Through the above technical solutions, on the one hand, the length that baffle ring can screw in main body to pressure relief safety valve limits, make
It obtains pressure relief safety valve and is less prone to the excessive situation of screw-in；On the other hand, baffle ring can will be between attachment base and pressure relief safety valve
The top cover in gap, so that the water inside runner is not easy to enter attachment base under the action of hydraulic pressure and self weight and pressure release is pacified
In gap between full valve, the leakproofness between attachment base and pressure relief safety valve is improved to a certain extent, and reduces water money
The waste in source.
Preferably, the water outlet side of the main body is threaded with connecting tube, and the connecting tube is internally provided with second
Sealing ring, and the connecting tube pushes against second sealing ring in the main body.
Through the above technical solutions, be set to the connecting tube of water outlet more convenient can connect with water pipe.It is set to
The second sealing ring inside connecting tube is pushed against in the end of main body, and the second sealing ring can will be between connecting tube and main body
Gap sealing, so that the water of body interior is not easy to flow out in the gap between connecting tube and main body, reduces the waste of water resource.
Preferably, the connecting tube is internally provided with support ring, and to contact at described second close for the outer wall of the support ring
The inner wall of seal.
Through the above technical solutions, support ring can be supported the inner ring of the second sealing ring, to guarantee the second sealing
When connected tube and main body are squeezed and deformed, the internal diameter of the second sealing ring is not easy to reduce circle, and body interior water energy it is enough compared with
It is discharged from connecting tube to be smooth.
Preferably, the support ring include the ring body for contradicting second sealing ring, be set to inside the ring body and with
The support frame that the ring body inner ring is fixedly connected.
Through the above technical solutions, the support frame being set to inside ring body can be supported ring body, so that ring body exists
Deformation is less prone in use process, and ring body can carry out more efficiently support to the second sealing ring.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment, is mainly used for showing the contour structures of embodiment；
Fig. 2 is the schematic cross-sectional view of embodiment, is mainly used for showing the composition situation of embodiment；
Fig. 3 is the schematic cross-sectional view of pressure relief safety valve, is mainly used for showing the composition of pressure relief safety valve.
Appended drawing reference: 1, main body；2, channel；21, water inlet；22, water outlet；3, fuse；4, pressure relief safety valve；5, it connects
Seat；6, deflector hole；7, the first sealing ring；8, baffle ring；9, connecting tube；10, the second sealing ring；11, support ring；111, ring body；
112, support frame；12, valve body；13, runner；131, import；132, it exports；133, control chamber；14, spool；141, piston；142,
Sealing bar；1421, section is responded；1422, seal section；1423, guide section；143, spring two；15, spring one；16, through-hole；17, it pushes up
Bar；171, linkage section；172, section is triggered；18, seal washer；19, annular groove；20, rubber ring；23, preceding valve seat；24, rear valve base；
25, limiting slot；26, limited post；27, rubber seal；28, groove；29, guide plate；30, limbers；31, ring is contradicted；32, mistake
Water hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of water hammer-resistant tap safety valve offers inside main body 1 for water flow as shown in Figure 1 to Figure 3, including main body 1
The channel 2 crossed, the both ends in channel 2 are respectively the water outlet 22 for supplying water and flowing into the water inlet 21 of main body 1, the outflow main body 1 that supplies water.It is main
Body 1 is internally provided with the fuse 3 switched for control channel 2.
Attachment base 5 is provided on the bottom of main body 1, and attachment base 5 is between fuse 3 and water inlet 21.Attachment base 5
Deflector hole 6, and deflector hole 6 and 2 connection of channel are offered at center, side necking of the attachment base 5 close to channel 2 forms baffle ring 8.
Pressure relief safety valve 4 is threaded on attachment base 5, and pressure relief safety valve 4 is used for when 2 inside water pressure of channel is excessive, guidance is logical
Part water inside road 2 drains into the external world from pressure relief safety valve 4, to reduce the hydraulic pressure inside channel 2, so that the water hammer-resistant fire hose
Head safety valve is not easy to damage because hydraulic pressure is excessive in use, and improves making for the water hammer-resistant tap safety valve
Use the service life.
The top of pressure relief safety valve 4 contacts at baffle ring 8, and pressure relief safety valve 4 can be threadedly coupled by baffle ring 8 with attachment base 5
The gap of generation covers so that water channel 2 inside be not easy to be flowed under the action of self weight and hydraulic pressure pressure relief safety valve 4 and
In gap between attachment base 5, the leakproofness of the water hammer-resistant tap safety valve is improved to a certain extent.Pressure relief safety valve 4
It is sealed with the first sealing ring 7 between attachment base 5, the first sealing ring 7 can will be between pressure relief safety valve 4 and attachment base 5
Gap sealing, improves the leakproofness of the water hammer-resistant tap safety valve to a certain extent.
22 side of water outlet of main body 1 is additionally provided with connecting tube 9, and one end of connecting tube 9 towards main body 1 is expanding and screw thread connects
It is connected in main body 1.Connecting tube 9 is internally provided with the second sealing ring 10, and 10 connected tube 9 of the second sealing ring compression is connected to
In main body 1.Be additionally provided with support ring 11 inside connecting tube 9, the top of support ring 11 protrude into the second sealing ring 10 and with it is second close
The inner wall of seal 10 contradicts.Support ring 11 includes contradicting the ring body 111 of the second sealing ring 10 and being set to 111 inside of ring body simultaneously
The support frame 112 that 111 inner ring of ring body is fixedly connected.
Pressure relief safety valve 4 includes valve body 12, orifice shapes is equipped with inside valve body 12 as circular runner 13, and runner 13
Central axis be overlapped with the central axis of valve body 12.Runner 13 includes the import 131 of valve body 12 being flowed into for fluid, for fluid stream
The control chamber 133 of outlet 132 and connection import 131 and the outlet 132 of valve body 12 out.The internal diameter of control chamber 133 be greater than into
The internal diameter of mouth 131, and the inner wall of control chamber 133 and the inner wall of import 131 cooperatively form shoulder block.
Valve body 12 includes preceding valve seat 23 and rear valve base 24.Valve seat 23 before import 131 and control chamber 133 are arranged in
Inside, outlet 132 are arranged on rear valve base 24.It is provided with internal screw thread at the inner wall of preceding valve seat 23, is set on the outer wall of rear valve base 24
It is equipped with external screw thread, and preceding valve seat 23 is threadedly coupled by internal screw thread with externally threaded rear valve base 24.Preceding valve seat 23 and rear valve
Be sealed with seal washer 18 between seat 24, to guarantee in use, fluid valve body 12 inside be not easy from preceding valve seat 23 and
Gap outflow between rear valve base 24.
Control chamber 133 is internally provided with spool 14, spring 1 and mandril 17, and spool 14, spring 1 and top
Bar 17 is successively arranged along import 131 to 132 sides of outlet.
Spool 14 includes sliding the piston 141 being connected to inside control chamber 133, sliding the sealing being connected on piston 141
Bar 142, the spring 2 143 being connected between piston 141 and sealing bar 142.
Annular groove 19, and the central axis weight of the central axis of annular groove 19 and piston 141 are offered on the outer wall of piston 141
It closes.In the present embodiment, the number of annular groove 19 is two, and two annular grooves 19 are along the axial distribution of piston 141.In each annular groove 19
Portion is embedded with rubber ring 20, and the outer ring of rubber ring 20 protrudes from the notch of annular groove 19 and contradicts with the inner wall of control chamber 133.
Protrude from 19 notch of annular groove rubber ring 20 can by the clearance seal between 141 outer wall of 133 inner wall of control chamber and piston so that
Liquid at import 131 is not easy to flow to from the gap location between 141 outer wall of 133 inner wall of control chamber and piston from outlet 132.
Through-hole 16 is equipped at 141 center of piston, and the central axis of through-hole 16 is overlapped with the central axis of piston 141,
Through-hole 16 is used for 133 connection of control chamber of 141 two sides of piston.
Piston 141 is towards opening up fluted 28 on the end of 131 side of import, groove 28 and 16 connection of through-hole, and groove
28 central axis is overlapped with the central axis of piston 141.Integrally formed with ring at the inner wall opposite with import 131 in groove 28
The conflict ring 31 of shape, the annular ring 31 that contradicts surrounds the aperture of through-hole 16 towards 131 side of import, and contradicts the outer diameter of ring 31
It is gradually reduced to 131 side of import.Groove 28 is towards being threaded with guide plate 29 at the notch of import 131, on guide plate 29
Several limbers 30 are offered, and several limbers 30 are uniformly distributed centered on 29 axis of guide plate in circumferential.Guide plate 29
The pilot hole (not indicating in figure) protruded into for sealing bar 142 is offered at center.
Sealing bar 142 includes guide section 1423, the seal section being fixedly connected sequentially from import 131 to 132 sides of outlet
1422 and response section 1421.Guide section 1423 is stretched to inside pilot hole and is slid with pilot hole and connects.Seal section 1422
Outer diameter is greater than the outer diameter of guide section 1423, and seal section 1422 is used to cover through-hole 16 towards the aperture of 131 side of import.Sealing
Section 1422 away from import 131 end face on glue be equipped with rubber seal 27, seal section 1422 be slidingly sealed through-hole 16 towards into
When the aperture of 131 sides of mouth, rubber seal 27 can be close by seal section 1422 and the inner wall of groove 28 towards 131 side of import
Envelope.Response section 1421 is passed through from through-hole 16, and is responded section 1421 and passed through from through-hole 16 and protrude from through-hole 16 towards outlet
132 end.
One end of spring 2 143 be fixedly connected on seal section 1422 away from import 131 end face on, spring 2 143 it is another
One end, which is sheathed on, to be contradicted 31 outside of ring and is fixedly connected with the inner wall of groove 28.In use, 2 143 pairs of sealing bars of spring
142 apply to be directed toward the elastic force of 131 side of import, so that seal section 1422 is pushed against on guide plate 29.
Mandril 17 includes the triggering for being threadedly connected to linkage section 171 inside valve body 12, being fixedly connected on linkage section 171
Section 172.Water hole 32 is worn on linkage section 171, water hole 32 is axially extending along linkage section 171, and water hole 32 is for joining
Logical control chamber 133 and outlet 132.The number of water hole 32 is several, and several water holes 32 are with the axis of linkage section 171
Center is circumferentially uniformly distributed.Triggering section 172 is cylindrical, and triggers the central axis of section 172 and the central axis of linkage section 171
It is overlapped, triggering section 172 is convex to 131 side of import and for contradicting response section 1421.
One end of spring 1 is socketed in triggering section 172, and the inner ring of spring 1 contacts at the outer of triggering section 172
Wall, the other end of spring 1 are connected on piston 141.In use one 15 pairs of pistons 141 of spring apply be directed toward into
The elastic force of 131 sides of mouth, so that piston 141 pushes against at shoulder block.
Piston 141 is towards offering the limiting slot 25 protruded into for spring 1 on the end of mandril 17, in limiting slot 25
Integrally formed with limited post 26 at the heart, limited post 26 is run through by through-hole 16, and limited post 26 is passed through from the middle part of spring 1, and limits
The outer wall of position column 26 contacts at the inner ring of spring 1.
Water hammer-resistant unloads a safety valve, and specific use process is as follows: in use, the import 131 of the safety valve and water pipe are connected
It connects, the liquid inside water pipe is entered under pressure inside runner 13.When the pressure that liquid applies sealing bar 142 is less than
When the elastic force that 2 143 pairs of sealing bars 142 of spring apply, sealing bar 142 is unable to complete the sealing to through-hole 16, and from import 131
132 sides of outlet can be flowed to via the gap between sealing bar 142 and through-hole 16 by locating the liquid entered, and finally from outlet
It is flowed out at 132.At the same time, the liquid being flowed into inside control chamber 133 by water pipe can push inside water pipe and runner 13
Air from outlet 132 be discharged, the exhaust of water pipe is completed with this.When liquid is greater than spring two to the pressure that sealing bar 142 applies
When the pressure that 143 pairs of sealing bars 142 apply, sealing bar 142 seals through-hole 16, so that the liquid at import 131 can not be flow to
It exports at 132.If the fluid pressure inside water pipe continues growing at this time, spool can be pushed by being located at the liquid at import 131
14 is mobile to exporting 132 sides.During mobile 132 side to outlet of spool 14, in runner 13 with water pipe communicating portion
Volume increase, and fluid pressure is gradually reduced, and achievees the purpose that unload a pressure release with this.When spool 14 is moved to the end of mandril 17
When portion contradicts sealing bar 142, mandril 17 limits the movement of sealing bar 142, so that generating phase between sealing bar 142 and piston 141
To movement, and sealing bar 142 releases the sealing of through-hole 16.The liquid at import 131 is now placed in via sealing bar 142 and is led to
Gap discharge between hole 16, achievees the purpose that drain pressure release with this.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention
It encloses, the protection scope of the utility model is determined by the attached claims.
Claims (7)
1. a kind of water hammer-resistant tap safety valve, including main body (1), the main body (1) is internally provided with channel (2), described logical
The both ends in road (2) are respectively to supply water flow into the water inlet (21) of the main body (1), supply water and flow out the water outlet of the main body (1)
(22), the main body (1) is internally provided with fuse (3), and the fuse (3) is for controlling the channel (2) opening and closing, feature
Be: being provided with pressure relief safety valve (4) on main body (1) side wall, pressure relief safety valve (4) connection in the channel (2), and
The pressure relief safety valve (4) is between the fuse (3) and the water inlet (21), when the internal hydraulic pressure of the main body (1)
Higher than pressure relief safety valve (4) preset value when, pressure relief safety valve (4) is opened, and the internal water of portion body (1) is via pressure release safety
Valve (4) discharge.
2. water hammer-resistant tap safety valve according to claim 1, it is characterized in that: the bottom of the main body (1) is provided with
Attachment base (5) offers deflector hole (6) on the attachment base (5), and deflector hole (6) connection is described in the channel (2)
Pressure relief safety valve (4) is threadedly connected on the attachment base (5).
3. water hammer-resistant tap safety valve according to claim 2, it is characterized in that: the attachment base (5) and the pressure release
The first sealing ring (7) are sealed between safety valve (4).
4. water hammer-resistant tap safety valve according to claim 2, it is characterized in that: the attachment base (5) is close to the master
The end necking of body (1) forms baffle ring (8), and the baffle ring (8) contacts at the end of the pressure relief safety valve (4).
5. water hammer-resistant tap safety valve according to claim 1, it is characterized in that: the water outlet (22) of the main body (1)
Side is threaded with connecting tube (9), and the connecting tube (9) is internally provided with the second sealing ring (10), and the connecting tube (9)
Second sealing ring (10) is pushed against in the main body (1).
6. water hammer-resistant tap safety valve according to claim 5, it is characterized in that: the connecting tube (9) is internally provided with
Support ring (11), and the outer wall of the support ring (11) contacts at the inner wall of second sealing ring (10).
7. water hammer-resistant tap safety valve according to claim 6, it is characterized in that: the support ring (11) includes contradicting institute
The ring body (111) of the second sealing ring (10) is stated, the ring body (111) inside is set to and is fixed with the ring body (111) inner ring
The support frame (112) of connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131151.7U CN209458443U (en) | 2018-12-19 | 2018-12-19 | Water hammer-resistant tap safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822131151.7U CN209458443U (en) | 2018-12-19 | 2018-12-19 | Water hammer-resistant tap safety valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209458443U true CN209458443U (en) | 2019-10-01 |
Family
ID=68041248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822131151.7U Active CN209458443U (en) | 2018-12-19 | 2018-12-19 | Water hammer-resistant tap safety valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209458443U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU212896U1 (en) * | 2021-04-09 | 2022-08-11 | Общество с ограниченной ответственностью «Атлас» | Safety valve against water hammer |
-
2018
- 2018-12-19 CN CN201822131151.7U patent/CN209458443U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU212896U1 (en) * | 2021-04-09 | 2022-08-11 | Общество с ограниченной ответственностью «Атлас» | Safety valve against water hammer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230120 Address after: 317600 valve industry functional zone, Longxi Town, Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Yuhuan HongRi Valve Co.,Ltd. Address before: No. 2, Xinxing Lane, Fashantou Village, Longxi Town, Yuhuan County, Taizhou City, Zhejiang Province, 317600 Patentee before: Zeng Qifeng |