CN208587553U - A kind of solenoid valve with check-valves - Google Patents
A kind of solenoid valve with check-valves Download PDFInfo
- Publication number
- CN208587553U CN208587553U CN201821147282.8U CN201821147282U CN208587553U CN 208587553 U CN208587553 U CN 208587553U CN 201821147282 U CN201821147282 U CN 201821147282U CN 208587553 U CN208587553 U CN 208587553U
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- return valve
- valve core
- check
- sealing
- valve seat
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Abstract
A kind of solenoid valve with check-valves, including valve body and electromagnetic valve plug component, the valve body of intake tunnel and exhalant canal is equipped with valve seat, valve seat is equipped with valve port, electromagnetic valve plug component is mounted on valve body, the lower part of valve body is equipped with check-valves installing port, check-valves installing port is equipped with non-return valve seat, non-return valve seat is equipped with non-return valve core, non-return valve core includes non-return valve core seal disc and non-return valve core mounting post, reset spring is arranged in non-return valve core mounting post, non-return valve core mounting post is plugged on non-return valve seat, the inner wall of check-valves installing port is equipped with check-valves installing port internal screw thread, non-return valve seat is equipped with non-return valve seat external screw thread, therefore when outlet pressure is greater than inlet pressure, when namely the pressure of exhalant canal is greater than intake tunnel, medium will push non-return valve core seal disc and move up, non-return valve core seal disc is fitted closely with valve port, it is real It now closes, prevents medium from flowing backwards, avoid whole system failure damage and generate safety accident.
Description
Technical field
The utility model relates to a kind of solenoid valves with check-valves.
Background technique
Solenoid valve it not only after receiving automatically controlled signal, can automatically turn on or close valve, be widely used in weaving, print
The production such as dye, chemical industry, plastics, rubber, pharmacy, food, building materials, machinery, electric appliance, surface treatment and scientific research department and bathroom,
In the people's daily life facility such as dining room, air-conditioning.The product is mainly used for air, steam, coal gas, tap water, distilled water, freezing
The fluid media (medium)s such as salt water, oil (30≤cSt) and vacuum≤10Torr, and do not play the air-liquid of corrosiveness to stainless steel (304)
Body, such as acid, alkali, electroplating wastewater.
Existing solenoid valve, including valve body and electromagnetic valve plug component, the valve body is interior to be equipped with intake tunnel and exhalant canal,
The valve body of the intake tunnel and exhalant canal is equipped with valve seat, and the valve seat is equipped with valve port, the electromagnetic valve plug component peace
On valve body, the electromagnetic valve plug component acts on valve port, disadvantage is that: it is not provided with check-valves, solenoid valve is once
Valve plug component will be turned on when outlet pressure is greater than inlet pressure, generated medium and flow backwards, be easy to cause the failure of whole system
And damage, it is possible to produce safety accident.
Summary of the invention
In view of the above technical problems, the utility model provides one kind: medium flows backwards the electromagnetism with check-valves that will not be flow backwards
Valve.
In order to solve the above technical problems, the utility model uses a kind of following technical scheme: solenoid valve with check-valves, packet
Valve body and electromagnetic valve plug component are included, is equipped with intake tunnel and exhalant canal, the intake tunnel and exhalant canal in the valve body
Valve body be equipped with valve seat, the valve seat is equipped with valve port, and the electromagnetic valve plug component is mounted on valve body, the electromagnetic valve plug
Component acts on valve port, and the lower part of the valve body is equipped with check-valves installing port, and the check-valves installing port is equipped with non-return valve seat,
The non-return valve seat is equipped with non-return valve core, and the non-return valve core includes non-return valve core seal disc and non-return valve core mounting post, institute
It states and is arranged reset spring in non-return valve core mounting post, the upper end of the reset spring is abutted with the bottom surface of non-return valve core seal disc,
The lower end of the reset spring is abutted with non-return valve seat, and the non-return valve core seal disc is matched with valve port, the non-return valve core
Mounting post is plugged on non-return valve seat, and the inner wall of the check-valves installing port is equipped with check-valves installing port internal screw thread, described to stop
It returns valve seat and is equipped with non-return valve seat external screw thread, the non-return valve seat external screw thread is matched with check-valves installing port internal screw thread.
A kind of beneficial effect of solenoid valve with check-valves provided by the utility model is: due to including valve body and solenoid valve
Plunger member, is equipped with intake tunnel and exhalant canal in the valve body, and the valve body of the intake tunnel and exhalant canal is equipped with valve
Seat, the valve seat are equipped with valve port, and the electromagnetic valve plug component is mounted on valve body, and the electromagnetic valve plug component acts on valve
Mouthful, the lower part of the valve body is equipped with check-valves installing port, and the check-valves installing port is equipped with non-return valve seat, the non-return valve seat
It is equipped with non-return valve core, the non-return valve core includes non-return valve core seal disc and non-return valve core mounting post, the non-return valve core peace
It is arranged reset spring on dress column, the upper end of the reset spring is abutted with the bottom surface of non-return valve core seal disc, the reset spring
Lower end abutted with non-return valve seat, the non-return valve core seal disc is matched with valve port, and the non-return valve core mounting post is plugged in
On non-return valve seat, the inner wall of the check-valves installing port is equipped with check-valves installing port internal screw thread, and the non-return valve seat is equipped with
Non-return valve seat external screw thread, the non-return valve seat external screw thread are matched with check-valves installing port internal screw thread.
Therefore when outlet pressure be greater than inlet pressure when, that is, exhalant canal pressure be greater than intake tunnel when, medium
It will push non-return valve core seal disc to move up, non-return valve core seal disc is fitted closely with valve port, and it realizes and closes, prevent medium from flowing backwards,
It avoids whole system failure damage and generates safety accident, medium when normal use in intake tunnel will push check-valves
Core moves down, and reset spring is compressed, so that channel is opened.
Further, the non-return valve seat is equipped with reset spring positioning protrusion, sets on the reset spring positioning protrusion
There is non-return valve core mounting post jack, the lower end of the reset spring is set on reset spring positioning protrusion, the non-return valve core
Mounting post is equipped with air discharge duct, and the non-return valve core mounting post is plugged in non-return valve core mounting post jack, and this structure makes
Non-return valve core movement is more steady, prevents non-return valve core stuck.
Further, the non-return valve seat is equipped with non-return valve seat and seals flange collar, sets in the non-return valve seat sealing flange collar
There is non-return valve seat to seal flange collar groove, the non-return valve seat sealing flange collar groove is equipped with non-return valve seat sealing ring, the non-return
The bottom of valve seat insert and valve body contacts, and this structure makes sealing performance more preferable.
Further, the non-return valve core seal disc is equipped with non-return valve core seal disc sealed groove, and the non-return valve core is close
Closing disk sealed groove is equipped with non-return valve core seal disc sealing ring, and the non-return valve core seal disc is equipped with sealing fixed column, institute
It states and is arranged with pressing ring in sealing fixed column, the sealing fixed column is equipped with sealing fixed column back-up ring mounting groove, and the sealing is fixed
Shaft block ring is arranged in column back-up ring mounting groove, the shaft block ring is pressed on pressing ring, and the pressing ring is pressed in non-return valve core sealing
On disk sealing ring, the sealing fixed column, shaft block ring and pressing ring can enter in valve port, the non-return valve core seal disc sealing
Circle is matched with valve port, and this structure makes sealing performance more preferable, and can prevent non-return valve core seal disc sealing ring from falling off.
Further, the sealing fixed column is equipped with atria, so that increasing space in sealing fixed column, thus spool
It is more easier to open.
The utility model will be further described with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is a kind of schematic cross-sectional view of solenoid valve with check-valves provided by the utility model；
Fig. 2 is a kind of schematic cross-sectional view of the non-return valve core of solenoid valve with check-valves provided by the utility model.
Specific embodiment
As shown in Figure 1 and Figure 2, the embodiment of a kind of solenoid valve with check-valves provided by the utility model, including valve body 1
With electromagnetic valve plug component 2, the valve body 1 is interior to be equipped with intake tunnel 3 and exhalant canal 4, the intake tunnel 3 and exhalant canal 4
Valve body 1 be equipped with valve seat 5, the valve seat 5 is equipped with valve port 6, and the electromagnetic valve plug component 2 is mounted on valve body 1, the electricity
Magnet valve plunger member 2 acts on valve port 6, and the lower part of the valve body 1 is equipped with check-valves installing port 7, sets on the check-valves installing port 7
There is non-return valve seat 8, the non-return valve seat 8 is equipped with non-return valve core 9, and the non-return valve core 9 includes 10 He of non-return valve core seal disc
Non-return valve core mounting post 11, is arranged reset spring 12 in the non-return valve core mounting post 11, the upper end of the reset spring 12 with
The bottom surface of non-return valve core seal disc 10 abuts, and the lower end of the reset spring 12 is abutted with non-return valve seat 8, and the non-return valve core is close
Closing disk 10 is matched with valve port 6, and the non-return valve core mounting post 11 is plugged on non-return valve seat 8, the check-valves installing port 7
Inner wall be equipped with check-valves installing port internal screw thread 13, the non-return valve seat 8 be equipped with non-return valve seat external screw thread 14, it is described only
Valve seat external screw thread 14 is returned to match with check-valves installing port internal screw thread 13.
The non-return valve seat 8 is equipped with reset spring positioning protrusion 15, and the reset spring positioning protrusion 15 is equipped with only
Spool mounting post jack 16 is returned, the lower end of the reset spring 12 is set on reset spring positioning protrusion 15, the check-valves
Core mounting post 11 is equipped with air discharge duct 17, and the non-return valve core mounting post 11 is plugged in non-return valve core mounting post jack 16.
The non-return valve seat 8 is equipped with non-return valve seat and seals flange collar 18, and the non-return valve seat sealing flange collar 18 is equipped with only
Valve base sealing flange collar groove 19 is returned, the non-return valve seat sealing flange collar groove 19 is equipped with non-return valve seat sealing ring 19-1, described
Non-return valve seat sealing ring 19-1 and the bottom of valve body 1 contact.
The non-return valve core seal disc 10 is equipped with non-return valve core seal disc sealed groove 20, and the non-return valve core seal disc is close
It sealing groove 20 and is equipped with non-return valve core seal disc sealing ring 21, the non-return valve core seal disc 10 is equipped with sealing fixed column 22,
Pressing ring 23 is arranged in the sealing fixed column 22, the sealing fixed column 22 is equipped with sealing fixed column back-up ring mounting groove 24, institute
It states and is arranged with shaft block ring 25 in sealing fixed column back-up ring mounting groove 24, the shaft block ring 25 is pressed on pressing ring 23, the pressure
Circle 23 is pressed on non-return valve core seal disc sealing ring 21, and the sealing fixed column 22, shaft block ring 25 and pressing ring 23 can enter
In valve port 6, the non-return valve core seal disc sealing ring 21 is matched with valve port 6, and the sealing fixed column 22 is equipped with atria
26。
This structure is simple, and handling ease is small in size, easy for installation, good seal performance, long service life, and sealing element is answered
Position spring it is replaceable, it is easy to clean, cleverly common valve and check-valves are combined together, reduce material, manufacturing cost and
Reduce installation space.
As needed, the specific embodiment of the utility model is disclosed herein, it will be appreciated that the disclosed embodiments
It only demonstrates the utility model, the utility model can have different and alternative form to implement.Attached drawing is not necessarily drawn to scale.Cause
This, specific structure and function details disclosed herein be understood not to it is in a limiting sense, but only as representative base
Plinth is to instruct those skilled in the art using implementation the utility model.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the utility model protection
Range.
Claims (7)
1. a kind of solenoid valve with check-valves, including valve body (1) and electromagnetic valve plug component (2), the valve body (1) is interior to be equipped with water inlet
Channel (3) and exhalant canal (4), the intake tunnel (3) and the valve body (1) of exhalant canal (4) are equipped with valve seat (5), described
Valve seat (5) is equipped with valve port (6), and the electromagnetic valve plug component (2) is mounted on valve body (1), and the electromagnetic valve plug component (2) is made
For valve port (6), it is characterised in that: the lower part of the valve body (1) is equipped with check-valves installing port (7), the check-valves installing port
(7) non-return valve seat (8) are equipped with, the non-return valve seat (8) is equipped with non-return valve core (9), and the non-return valve core (9) includes non-return
Seal spool disk (10) and non-return valve core mounting post (11) are arranged reset spring (12) on the non-return valve core mounting post (11),
The upper end of the reset spring (12) is abutted with the bottom surface of non-return valve core seal disc (10), the lower end of the reset spring (12) with
Non-return valve seat (8) abuts, and the non-return valve core seal disc (10) matches with valve port (6), the non-return valve core mounting post (11)
It is plugged on non-return valve seat (8), the inner wall of the check-valves installing port (7) is equipped with check-valves installing port internal screw thread (13), institute
It states non-return valve seat (8) and is equipped with non-return valve seat external screw thread (14), in the non-return valve seat external screw thread (14) and check-valves installing port
Screw thread (13) matches.
2. a kind of solenoid valve with check-valves according to claim 1, it is characterised in that: set on the non-return valve seat (8)
Having reset spring positioning protrusion (15), the reset spring positioning protrusion (15) is equipped with non-return valve core mounting post jack (16),
The lower end of the reset spring (12) is set on reset spring positioning protrusion (15), is set on the non-return valve core mounting post (11)
Have air discharge duct (17), the non-return valve core mounting post (11) is plugged in non-return valve core mounting post jack (16).
3. a kind of solenoid valve with check-valves according to claim 1 or 2, it is characterised in that: on the non-return valve seat (8)
Flange collar (18) are sealed equipped with non-return valve seat, non-return valve seat sealing flange collar (18) is equipped with non-return valve seat and seals flange collar groove
(19), non-return valve seat sealing flange collar groove (19) is equipped with non-return valve seat sealing ring (19-1), the non-return valve seat sealing
The bottom of circle (19-1) and valve body (1) contact.
4. a kind of solenoid valve with check-valves according to claim 1 or 2, it is characterised in that: the non-return valve core sealing
Disk (10) is equipped with non-return valve core seal disc sealed groove (20), and the non-return valve core seal disc sealed groove (20) is equipped with non-return
Seal spool disk sealing ring (21), the non-return valve core seal disc (10) are equipped with sealing fixed column (22), and the sealing is fixed
It is arranged on column (22) pressing ring (23), the sealing fixed column (22) is equipped with sealing fixed column back-up ring mounting groove (24), described close
It is arranged in sealing fixed column back-up ring mounting groove (24) shaft block ring (25), the shaft block ring (25) is pressed on pressing ring (23), institute
Pressing ring (23) is stated to be pressed on non-return valve core seal disc sealing ring (21), the sealing fixed column (22), shaft block ring (25) and
Pressing ring (23) can enter in valve port (6), and the non-return valve core seal disc sealing ring (21) matches with valve port (6).
5. a kind of solenoid valve with check-valves according to claim 3, it is characterised in that: the non-return valve core seal disc
(10) it is equipped with non-return valve core seal disc sealed groove (20), the non-return valve core seal disc sealed groove (20) is equipped with check-valves
Core seal disc sealing ring (21), the non-return valve core seal disc (10) are equipped with sealing fixed column (22), the sealing fixed column
(22) it is arranged on pressing ring (23), the sealing fixed column (22) is equipped with sealing fixed column back-up ring mounting groove (24), the sealing
It is arranged in fixed column back-up ring mounting groove (24) shaft block ring (25), the shaft block ring (25) is pressed on pressing ring (23), described
Pressing ring (23) is pressed on non-return valve core seal disc sealing ring (21), the sealing fixed column (22), shaft block ring (25) and pressure
Enclosing (23) can enter in valve port (6), and the non-return valve core seal disc sealing ring (21) matches with valve port (6).
6. a kind of solenoid valve with check-valves according to claim 4, it is characterised in that: on the sealing fixed column (22)
Equipped with atria (26).
7. a kind of solenoid valve with check-valves according to claim 5, it is characterised in that: on the sealing fixed column (22)
Equipped with atria (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821147282.8U CN208587553U (en) | 2018-07-19 | 2018-07-19 | A kind of solenoid valve with check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821147282.8U CN208587553U (en) | 2018-07-19 | 2018-07-19 | A kind of solenoid valve with check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587553U true CN208587553U (en) | 2019-03-08 |
Family
ID=65541668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821147282.8U Active CN208587553U (en) | 2018-07-19 | 2018-07-19 | A kind of solenoid valve with check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208587553U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357380A (en) * | 2021-06-15 | 2021-09-07 | 浙江永久科技实业有限公司 | Explosion-proof electromagnetic valve with check valve |
-
2018
- 2018-07-19 CN CN201821147282.8U patent/CN208587553U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357380A (en) * | 2021-06-15 | 2021-09-07 | 浙江永久科技实业有限公司 | Explosion-proof electromagnetic valve with check valve |
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