CN207229843U - It is a kind of to fix hinged check valve - Google Patents
It is a kind of to fix hinged check valve Download PDFInfo
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- CN207229843U CN207229843U CN201720843593.7U CN201720843593U CN207229843U CN 207229843 U CN207229843 U CN 207229843U CN 201720843593 U CN201720843593 U CN 201720843593U CN 207229843 U CN207229843 U CN 207229843U
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Abstract
Hinged check valve is fixed the utility model discloses a kind of, including pump head, the Outlet check valves and import check valve being connected with pump head, it is characterized in that Outlet check valves are equipped with the outlet valve body being spirally connected with pump head, and a hinged inlet and outlet with inlet and outlet passage are positioned by exporting valve body self structure；Import check valve includes the import valve body being spirally connected with pump head, and positions a hinged inlet and outlet with inlet and outlet passage by import valve body self structure；Hingedly inlet and outlet both ends of the surface are equipped with sealing device.It not only ensure that the performance of check valve, but also the hinged inlet and outlet with inlet and outlet runner is definitely separated with valve body, and do not influence the sealing performance of check valve completely；It can meet flexible and changeable various loose joints or firmly connector, and the high-efficient homework of check valve installation and removal is completely secured；The arrangement of polytetrafluoroethylsealed sealed part makes accommodation increase of the product to medium and temperature, so as to extend the service life of product.
Description
Technical field
It the utility model is related to reciprocating pump technology, especially a kind of reciprocating pump or the other related productions for needing to configure check valve
Product fix hinged check valve.
Background technology
The operation principle of check valve is basically identical, but is equipped with various structures shape according to different required function in place etc.
Formula, as patent publication No. be CN106567829A, a kind of adjustable lift check valve of micro reciprocating pump, including check valve assembly and
Lift adjusts component, and check valve assembly includes spool, and lift adjustment component is used to control spool lift, and on lift adjustment component
Equipped with the scale for quantity control valve core lift.This structure makes scale and valve body on compression bar by rotating adjusting nut
On reference line be engaged, with realize it is quantitative, accurately adjust the unidirectional lift of a valve and work.And for example patent publication No. is
A kind of reciprocating pump disclosed in CN105822539A imports and exports check valve with combined type, comprising valve rod, be set in valve seat outside valve rod,
Feed liquor spool and discharge opeing spool；Feed liquor spool is arranged on valve seat side, and the face that valve seat is contacted with feed liquor spool is liquid feed valve
Valve face；Discharge opeing spool is arranged on valve seat opposite side, and the face that valve seat is contacted with discharge opeing spool is tapping valve valve face；Set in valve seat
There are feed liquor runner and discharge opeing runner disconnected with each other, the feed liquor with feed liquor flow passage is provided with the liquid feed valve valve face of valve seat
Mouthful, the tapping valve valve face of valve seat is equipped with the leakage fluid dram with discharge opeing flow passage, contact valve face and row of the feed liquor spool with valve seat
At least one V-shaped cone valve face of contact valve face or spheric cone valve face in contact valve face of the liquid spool with valve seat, correspondingly, valve
At least one valve face is V-arrangement cone valve face or spheric cone valve face in liquid feed valve valve face and tapping valve valve face on seat.
And it is mainly by the spiral shell between valve body and pump head for the existing rectilinear one-way valve structures for reciprocating pump
Valve body is directly screwed on pump head by line pair, while is fastened valve body and pump head by locking nut, is passed through between valve body and pump head
The sealing ring sealing on locking nut is configured, inlet and outlet are provided with valve body, the connection with pipeline is imported and exported and generally uses
Screw thread, flange etc. connect, and when so connecting, valve body needs to dismantle whole pipeline in maintenance, and installation and removal are inconvenient, into
Outlet is extremely limited with the connection mode of pipeline, and when some damage parts of check valve, a whole set of valve group all needs replacing, and safeguards
Cost is big, when using hard connect, maintenance cost bigger；And the adaptability using seal with O ring for pumped (conveying) medium and temperature
Extremely limited, the service life of O-ring is also limited during high-pressure delivery medium.
The content of the invention
The purpose of this utility model is to solve the above-mentioned problems, there is provided a kind of hinged unidirectional of fixation rational in infrastructure
Valve, in the case where ensureing check valve performance, reduces the installing and dismounting time, allows check valve to possess more connection sides
Formula, reduces maintenance cost, extends sealing life.
The above-mentioned technical problem of the utility model is mainly what is be addressed by following technical proposals：One kind is fixed hinged
Check valve, including pump head, the Outlet check valves being connected with pump head and import check valve, it is characterized in that the Outlet check valves
A hinge with inlet and outlet passage is positioned equipped with the outlet valve body with pump head thread connection, and by exporting valve body self structure
Tap into outlet；The import check valve includes the import valve body with pump head thread connection, and passes through import valve body self structure
One hinged inlet and outlet with inlet and outlet passage of positioning；The end flat of the hinged inlet and outlet is equipped with sealing device.
The technical program presets valve ball, valve seat and back pressure spring in outlet valve body, and utilizes bonnet and polytetrafluoroethylsealed sealed
A sealings are padded, form a set of Outlet check valves component；Equally default valve ball and valve seat, it is unidirectional to form a set of import in inlet valve body
Valve module.When Outlet check valves are installed, with inlet and outlet passage hinged inlet and outlet both ends of the surface set it is polytetrafluoroethylsealed sealed pad into
Row sealing, by Outlet check valves component through intermediate throughholes are hingedly imported and exported, is then directly tightened on pump head, while press and cut with scissors
Tap into outlet both ends sealing surface.On this condition, when Outlet check valves are dismantled, directly Outlet check valves component can be unloaded,
Without dismantling hinged inlet and outlet and the pipeline that is attached thereto with inlet and outlet passage, to reach replacement when only needs replacing
The purpose of Outlet check valves component.Import check valve install when, equally it is hinged inlet and outlet both ends of the surface set it is polytetrafluoroethylsealed sealed pad into
Import check valve assembly, by import check valve assembly through intermediate throughholes are hingedly imported and exported, is then directly anchored to by row sealing
On pump head, while press and be hinged inlet and outlet both ends sealing surface；During dismounting, directly import check valve assembly can be unloaded, without
Hinged inlet and outlet and the pipeline being attached thereto are dismantled, so as to only need replacing the mesh of import check valve assembly when reaching replacement
's.
Preferably, be equipped with valve ball in outlet valve body in the Outlet check valves, valve ball positioned at in outlet valve body
In the valve seat that hole coordinates；Valve seat is equipped with runner, the runner and runner and hinged disengaging in outlet valve body in valve ball shift motion
The runner being equipped with mouthful communicates.The Outlet check valves runner plays the role of one-way non-return by the displacement movement of valve ball.
Preferably, the import valve body in the import check valve has T-shaped structure, being equipped with valve seat in inlet valve body pacifies
Dress hole and the runner communicated with valve seat, the interior runner communicated equipped with valve ball moving hole and with hinged inlet and outlet of valve seat are described
Runner in valve seat forms valve ball work shift space；Import valve body, which passes through, hingedly imports and exports intermediate throughholes, one end and pump head spiral shell
Line couples, and the other end is hingedly imported and exported other end sealing surface and assembled with pump head with hingedly importing and exporting seal face assembling.Inlet valve
Body constantly screws in pump head by screw thread, while presses and be hinged the sealing surface at inlet and outlet both ends, and positioning hinged inlet and outlet with this installs
Position and the leakproofness that ensure that check valve.The import check valve runner plays one-way non-return by the displacement movement of valve ball and makees
With.
Preferably, the outlet valve body has a T-shaped structure, be equipped with outlet valve body valve seat mounting hole and with valve seat phase
Logical runner, imports and exports the runner communicated in valve seat, the runner structure in the valve seat equipped with valve ball moving hole and with hinged
Into valve ball work shift space；Outlet valve body is through hingedly importing and exporting intermediate throughholes, one end and pump head thread connection, the other end with
Seal face assembling is hingedly imported and exported, other end sealing surface is hingedly imported and exported and is assembled with pump head.It is continuous by screw thread to export valve body
Pump head is screwed in, while presses and is hinged the sealing surface at inlet and outlet both ends, hinged inlet and outlet installation site is positioned with this and ensure that list
To the leakproofness of valve.Simple and effective T-shaped pipe structure can limit the position of hinged inlet and outlet completely and ensure check valve
Normal work.Simple and effective T-shaped structure can limit the position of hinged inlet and outlet completely, and ensure that check valve works normally
Required leakproofness.
Preferably, valve ball one end in the outlet valve body is equipped with back pressure spring, one end of back pressure spring is fixed on
Bonnet end.In the case of system pressure deficiency, required pressure can be given by installing the back pressure spring, ensure check valve just
Often work；In the case where system pressure is enough, removing the back pressure spring does not also influence the normal work of check valve.
Preferably, the bonnet and outlet valve body thread connection, bonnet and outlet valve body hole assembled end are equipped with four
Fluorine gasket A.Sealing element uses tetrafluoro material, adds accommodation of the check valve to medium, temperature, so as to improve production
The service life of product.
Preferably, the import valve body in the import check valve has T-shaped structure, hinged inlet and outlet are located at inlet valve
Between body T-shaped structure big end medial surface and pump head end face.
Preferably, the transverse flow channels vertical with valve ball moving hole in valve seat are equipped with the inlet valve body, it is described
Transverse flow channels and hingedly inlet and outlet runner communicate.Compact-sized, runner is reasonable.
Preferably, in the hinged inlet and outlet and the mating surface of pump head and hinged inlet and outlet with outlet valve body or into
Polytetrafluoroethylsealed sealed pad B is equipped with the mating surface of mouth valve body.
Preferably, the hinged inlet and outlet have or screw thread or cutting ferrule or welding point or flange or yoke configurations shape
The interface of formula.The input and output that the hinged inlet and outlet of the design are suitable for various pipe fittings connect.
The beneficial effects of the utility model are：It not only ensure that the performance of check valve, but also make that there is inlet and outlet stream
The hinged inlet and outlet in road are definitely separated with valve body, and do not influence the sealing performance of check valve completely；Open hinged inlet and outlet
The arrangement of upper inlet and outlet, can meet flexible and changeable various loose joints or firmly connector, and check valve installation and removal are completely secured
High-efficient homework, installation, dismounting are simple, greatly shorten maintenance man-hours, maintenance cost is low, highly practical；The cloth of polytetrafluoroethylsealed sealed part
Putting strengthens the adaptability of medium and temperature, so as to extend the service life of product.
Brief description of the drawings
Fig. 1 is a kind of Outlet check valves portion structure schematic diagram of the utility model.
Fig. 2 is a kind of import check valve portion structure schematic diagram of the utility model.
In figure：1. bonnet, 2. polytetrafluoroethylsealed sealed pad A, 3. outlet valve bodies, 4. polytetrafluoroethylsealed sealed pad B, 5. hinged inlet and outlet,
6. back pressure spring, 7. valve seats, 8. valve balls, 9. pump heads, 10. import valve bodies.
Embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
The present embodiment is a kind of to fix hinged check valve, connects applied to the rectilinear check valve of reciprocating pump, including with pump head 9
Two kinds of the Outlet check valves and import check valve connect.
Wherein Outlet check valves are as shown in Figure 1, equipped with the outlet valve body 3 being connected with 9 screw socket of pump head, and by exporting valve body
3 self structures position a hinged inlet and outlet 5 with inlet and outlet passage, hingedly import and export 5 each surfacess of revolution and are equipped with sealing dress
Put.
Specifically, valve ball 8 is equipped with the outlet valve body 3 in Outlet check valves, valve ball 8 is located at exporting 3 endoporus of valve body
In the valve seat 7 of cooperation.This Outlet check valves is double-valve-seat 7 and 8 series structure of bivalve ball.Pacify in outlet valve body 3 equipped with valve seat 7
Dress hole and the runner communicated with valve seat 7, the interior runners communicated equipped with 8 moving hole of valve ball and with hinged inlet and outlet 5 of valve seat 7, should
Runner is external by hinged inlet and outlet 5.
Further, outlet valve body 3 has T-shaped structure, exports 7 mounting hole of valve seat is equipped with valve body 3 and is communicated with valve seat 7
Runner, the runners communicated equipped with 8 moving hole of valve ball and with hinged inlet and outlet 5 in valve seat 7, the runner structure in the valve seat 7
Into 8 work shift space of valve ball；Outlet valve body 3, which passes through, hingedly imports and exports 5 intermediate throughholes, and one end and 9 thread connection of pump head are another
Hingedly import and export 5 other end sealing surfaces with hingedly importing and exporting the assembling of 5 seal faces and assembled with pump head 9, outlet valve body 3 passes through in end
Screw thread constantly screws in pump head 9, while presses and be hinged the sealing surface at 5 both ends of inlet and outlet, and 5 installation sites of hinged inlet and outlet are positioned with this
And it ensure that the leakproofness of check valve.
8 one end of valve ball in outlet valve body 3 is equipped with back pressure spring 6, and one end of back pressure spring 6 is fixed on 1 end of bonnet, valve
Cap 1 is connected with outlet 3 one end inner hole thread of valve body, and sets polytetrafluoroethylsealed sealed pad A2 in bonnet 1 and 3 hole fitting surface of outlet valve body.
Hingedly inlet and outlet 5 are with the mating surface of pump head 9 and hingedly importing and exporting 5 and exporting the mating surface of valve body 3 equipped with polytetrafluoroethylsealed sealed
Pad B4.
Import check valve passes through import valve body 10 as shown in Fig. 2, including the import valve body 10 with 9 thread connection of pump head
Self structure positions a hinged inlet and outlet 5 with inlet and outlet passage；Hingedly import and export 5 both ends of the surface and be equipped with sealing device.
Specifically, 7 mounting hole of valve seat and the runner communicated with valve seat 7 are equipped with import valve body 10, is moved in valve seat 7 equipped with valve ball 8
Hole and with hinged 5 runners that communicate of inlet and outlet, the runner in valve seat 7 forms 8 work shift space of valve ball.This import check valve
For double-valve-seat 7 and 8 series structure of bivalve ball.Further, the import valve body 10 in import check valve has T-shaped structure, hinged
Inlet and outlet 5 are between 9 end face of import valve body T-shaped structure big end medial surface and pump head.In import check valve, hinged inlet and outlet
The 5 same endoporus having with 10 transition of import valve body cooperation.It is equipped with import valve body 10 vertical with valve ball moving hole in valve seat 7
Transverse flow channels, transverse flow channels and hingedly inlet and outlet 5 runner communicate.Hingedly inlet and outlet 5 with it is in the mating surface of pump head 9 and hinged
Inlet and outlet 5 in the mating surface of import valve body 10 with being designed with polytetrafluoroethylsealed sealed pad B4.
Hinged inlet and outlet 5 in the present embodiment meet appointing for the structure types such as screw thread, cutting ferrule, welding point, flange, clip
A kind of what connecting interface.
In addition, the big end of the T-shaped pipe structure of outlet valve body 3, import valve body 10, which has, meets the tool operations such as spanner
Gengon.
In use, when Outlet check valves are installed, polytetrafluoroethylsealed sealed pad B4 is loaded onto on 5 end flat grooves of hinged inlet and outlet,
Then Outlet check valves component is tightened on pump head 9 through the centre of hingedly inlet and outlet 5 by hole.Outlet check valves are dismantled
When, directly Outlet check valves component can be unloaded, it is not necessary to dismounting hingedly inlet and outlet 5 and the pipeline that is attached thereto, during replacement
Only need replacing Outlet check valves component.
Equally, when import check valve is installed, polytetrafluoroethylsealed sealed pad B is loaded onto on the end flat groove of hinged inlet and outlet 5, will
Then import check valve assembly is directly tightened on pump head 9 by import check valve assembly through 5 intermediate throughholes are hingedly imported and exported.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, any new to this practicality
Structure after the simple transformation of type etc. belongs to the scope of protection of the utility model.
Claims (10)
1. a kind of fix hinged check valve, including pump head（9）, the Outlet check valves and import check valve that are connected with pump head, its
It is characterized in that the Outlet check valves are equipped with the outlet valve body with pump head thread connection（3）, and by exporting valve body self structure
One hinged inlet and outlet with inlet and outlet passage of positioning（5）；The import check valve include with pump head thread connection into
Mouth valve body（10）, and a hinged inlet and outlet with inlet and outlet passage are positioned by import valve body self structure（5）；Described
Hinged inlet and outlet（5）Both ends of the surface be equipped with sealing device.
2. a kind of hinged check valve is fixed according to claim 1, it is characterised in that in the Outlet check valves
Export valve body（3）It is interior to be equipped with valve ball（8）, valve ball is positioned at the valve seat coordinated with outlet valve body inner bore（7）It is interior；Valve seat is moved in valve ball
Runner, the runner and runner and hinged inlet and outlet in outlet valve body are equipped with stroke（5）The runner being inside equipped with communicates.
3. it is according to claim 1 it is a kind of fix hinged check valve, it is characterized in that in the import check valve into
Mouth valve body（10）With T-shaped structure, equipped with valve seat mounting hole and the runner communicated with valve seat in inlet valve body, valve seat is interior to be equipped with valve
Ball moving hole and with hinged inlet and outlet（5）The runner communicated, the runner in the valve seat form valve ball work shift space；
Import valve body is through intermediate throughholes, one end and pump head thread connection is hingedly imported and exported, and the other end is with hingedly importing and exporting seal face
Assembling, hingedly imports and exports other end sealing surface and pump head（9）Assembling.
4. it is according to claim 2 it is a kind of fix hinged check valve, it is characterized in that described it is characterized in that described goes out
Mouth valve body（3）With T-shaped structure, equipped with valve seat mounting hole and the runner communicated with valve seat in outlet valve body, valve seat is interior to be equipped with valve
Ball moving hole and with hinged inlet and outlet（5）The runner communicated, the runner in the valve seat form valve ball work shift space；
Outlet valve body, which passes through, hingedly imports and exports intermediate throughholes, one end and pump head（9）Thread connection, the other end is with hingedly importing and exporting sealed end
Face is assembled, and is hingedly imported and exported other end sealing surface and is assembled with pump head.
5. it is according to claim 4 it is a kind of fix hinged check valve, it is characterized in that the outlet valve body（3）Interior valve
Ball（8）One end is equipped with back pressure spring（6）, one end of back pressure spring is fixed on bonnet（1）End.
6. it is according to claim 5 it is a kind of fix hinged check valve, it is characterized in that the bonnet（1）With outlet valve body
（3）Thread connection, bonnet and outlet valve body hole assembled end are equipped with polytetrafluoroethylsealed sealed pad A（2）.
7. it is according to claim 3 it is a kind of fix hinged check valve, it is characterized in that in the import check valve into
Mouth valve body（10）With T-shaped structure, hinged inlet and outlet（5）Positioned at import valve body T-shaped structure big end medial surface and pump head（9）End face
Between.
8. it is according to claim 7 it is a kind of fix hinged check valve, it is characterized in that it is described it is characterized in that it is described into
Mouth valve body（10）It is interior to be equipped with the transverse flow channels vertical with valve ball moving hole in valve seat, the transverse flow channels and hinged inlet and outlet
（5）Runner communicates.
9. a kind of according to claim 1 or 2 or 3 or 5 or 6 fixes hinged check valve, it is characterized in that described is hinged
Inlet and outlet（5）With pump head（9）Mating surface on and hinged inlet and outlet and outlet valve body（3）Or import valve body（10）Mating surface
On be equipped with polytetrafluoroethylsealed sealed pad B（4）.
10. a kind of according to claim 1 or 2 or 3 or 5 or 6 fixes hinged check valve, it is characterized in that described is hinged
Inlet and outlet（5）Have or screw thread or cutting ferrule or welding point or flange or the interface of yoke configurations form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720843593.7U CN207229843U (en) | 2017-07-12 | 2017-07-12 | It is a kind of to fix hinged check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720843593.7U CN207229843U (en) | 2017-07-12 | 2017-07-12 | It is a kind of to fix hinged check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229843U true CN207229843U (en) | 2018-04-13 |
Family
ID=61853366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720843593.7U Active CN207229843U (en) | 2017-07-12 | 2017-07-12 | It is a kind of to fix hinged check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229843U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571603A (en) * | 2017-07-12 | 2018-09-25 | 杭州南方赛珀工业设备有限公司 | It is a kind of to fix hinged check valve |
-
2017
- 2017-07-12 CN CN201720843593.7U patent/CN207229843U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108571603A (en) * | 2017-07-12 | 2018-09-25 | 杭州南方赛珀工业设备有限公司 | It is a kind of to fix hinged check valve |
| CN108571603B (en) * | 2017-07-12 | 2024-01-09 | 杭州南方赛珀工业设备有限公司 | Fixed articulated check valve |
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