CN209278565U - A kind of band check valve type ball-cock device - Google Patents
A kind of band check valve type ball-cock device Download PDFInfo
- Publication number
- CN209278565U CN209278565U CN201920169402.2U CN201920169402U CN209278565U CN 209278565 U CN209278565 U CN 209278565U CN 201920169402 U CN201920169402 U CN 201920169402U CN 209278565 U CN209278565 U CN 209278565U
- Authority
- CN
- China
- Prior art keywords
- valve body
- check valve
- ball
- return valve
- return
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of band check valve type ball-cock devices, including ball valve body, check valve body, the ball valve body and check valve body are tightly connected, sphere is equipped in the ball valve body, ball valve seat is equipped between the sphere and ball valve body, the ball valve seat and ball seal cooperate, one end that the check valve body is connected with ball valve body is equipped with non-return valve seat, the other end is equipped with support base, it is threadedly coupled between the support base and check valve body, and the support base is equipped with medium flow field through-hole, non-return valve core is equipped in the check valve body, non-return valve core includes integrally formed prismoid section and cylindrical portion, the prismoid section and the conical seal (contact) face form the first sealing pair, the end of the cylindrical portion and the non-return valve core forms the second sealing pair, the sealing performance of the utility model is reinforced, and it can be in vertical direction normal use, spool does not occur Offset, prolongs the service life at effective impurity screening.
Description
Technical field
The utility model belongs to technical field of valve manufacturing, relates in particular to a kind of band check valve type ball-cock device.
Background technique
Ball valve and the common two kinds of valves of check valve type, daily in use, often two kinds of valves use respectively,
There is the valve for being combined into one two kinds of valves, this valve had both had valvular effect, and having can prevent medium from flowing backwards, and obtained
It is widely applied, but this kind of valve horizontal can only be used there is also defect is obviously used, vertical in use, spool is to valve seat
The medium meeting residual impurity for being also easy to produce offset during cooperation, and circulating in pipeline, impurity pass through the sealing of valve seat and spool
When face, abrasion can be made to sealing surface, influences using effect and the service life of valve, therefore, how can be made to check valve type ball valve
It is our problems to be solved in the abrasion that vertical direction preferably uses and reduces impurity to valve.
Utility model content
For various deficiencies of the prior art, now provide it is a kind of in vertical direction can good seal and service life prolong
Long band check valve type ball valve.
To achieve the above object, the utility model provides the following technical solutions:
A kind of band check valve type ball-cock device, including ball valve body, check valve body, the ball valve body and check valve body sealing connect
It connects, sphere is equipped in the ball valve body, ball valve seat is equipped between the sphere and ball valve body, the ball valve seat is matched with ball seal
It closes, the top of the sphere is connected with control valve rod, and the top for connecting valve rod is connected with control handle;
One end that the check valve body is connected with ball valve body is equipped with non-return valve seat, and the other end is equipped with support base, the branch
It is threadedly coupled between support seat and check valve body, and the support base is equipped with medium flow field through-hole, is equipped with only in the check valve body
Spool is returned, elastic component, one end peace of the non-return valve core installation elastic component are equipped between the non-return valve core side and support base
Equipped with support rod, the non-return valve core other side and non-return valve seat sealing cooperate, and guiding is equipped at the center of the non-return valve seat
Conical seal (contact) face is arranged towards the end face of non-return valve core in hole, and non-return valve core is fixedly connected with close to the side of non-return valve seat
The guide post matched with pilot hole, the non-return valve core include integrally formed prismoid section and cylindrical portion, the prismoid section with
The conical seal (contact) face forms the first sealing pair, the second sealing pair of end formation of the cylindrical portion and the non-return valve core;
The pilot hole is equipped with anti-block apparatus, the anti-block apparatus and the check valve body far from one end of the support base
Inner wall fasten.
Further, the anti-block apparatus includes anti-block dust gauze and cyclic reinforcing rib, and the anti-block dust gauze setting is double-deck,
It is fixedly connected between two layers of anti-block dust gauze by multi-turn reinforcing rib.
Further, the groove for accommodating the anti-block apparatus is offered on the inner wall of the check valve body.
Further, the periphery of the prismoid section and cylindrical portion is equipped with gasket.
Further, the elastic component uses spring.
The beneficial effects of the utility model are:
1, when medium is flow backwards, the guide post on non-return valve core is displaced to the pilot hole at non-return valve seat center, makes non-return
The center of spool and non-return valve seat will not be subjected to displacement, and effectively guarantee sealing effect, so that the utility model is being horizontally mounted
With can guarantee sealing effect when right angle setting.
2, non-return valve core includes into a single integrated structure prismoid section and cylindrical portion, the prismoid section and the conical seal (contact) face shape
At the first sealing pair, the end of the cylindrical portion and the non-return valve core forms the second sealing pair, greatly enhances check-valves
Sealing effect between core and non-return valve seat.
3, pilot hole is equipped with anti-block apparatus far from one end of the support base, which includes the double-deck anti-blocking filtering
Net effectively filters out the impurity in pipeline, reduces abrasion of the impurity to sealing surface, extend this makes with check valve type ball-cock device
Use the service life.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the partial structural diagram in Fig. 1 at A;
Fig. 3 is the structural schematic diagram of anti-block apparatus.
In attached drawing: 1- ball valve body, 101- sphere, 102- ball valve seat, 103- control valve rod, 2- check valve body, 3- check-valves
Seat, 301- pilot hole, 4- support base, 5- non-return valve core, 501- prismoid section, 502- cylindrical portion, 6- elastic component, 7- guide post, 8-
First sealing pair, the second sealing pair of 9-, 10- anti-block dust gauze, 11- reinforcing rib.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the utility model, below with reference to the utility model
Attached drawing carries out clear, complete description to the technical solution of the utility model, and based on the embodiment in the application, this field is general
Logical technical staff other similar embodiments obtained without making creative work, all should belong to the application
The range of protection.In addition, the direction word mentioned in following embodiment, such as "upper" "lower" " left side " " right side " etc. are only with reference to attached drawing
Direction, therefore, the direction word used is for illustrative and not limiting the invention.
The utility model is described in further detail with preferred embodiment with reference to the accompanying drawing.
As shown in Figure 1-3, a kind of band check valve type ball-cock device, including ball valve body 1 and check valve body 2, the ball valve body 1
It is tightly connected between check valve body 2, sphere 101 is equipped in the ball valve body 1, between the sphere 101 and the ball valve body 1
Equipped with ball valve seat 102, the ball valve seat 102 cooperates with the sphere 101 sealing, meanwhile, the top of the sphere 101 is connected with
Valve rod 103 is controlled, the top of the connection valve 103 is connected with control handle, convenient for opening and closing ball valve.
The check valve body 2 is connected with the close connection of ball valve body 1, and the one end to connect with ball valve body 1 is provided with non-return valve seat
3, the other end is equipped with support base 4, is threadedly coupled between the support base 4 and check valve body 2, meanwhile, it is set on the support base 4
It is equipped with multiple medium flow field through-holes.Non-return valve core 5, the side of the non-return valve core 5 and support base 4 are equipped in the check valve body 2
Between be equipped with elastic component 6, one end that the non-return valve core 5 installs elastic component 6 is equipped with support rod, and the elastic component 6 is set in
The periphery of support rod, the other side of the non-return valve core 5 and the sealing of non-return valve seat 3 cooperate.It is set at the center of the non-return valve seat 3
There is pilot hole 301, conical seal (contact) face is set towards the end face of non-return valve core 5, and the non-return valve core 5 is close to non-return valve seat 3
Side be fixedly connected with guide post 7, the guide post 7 is used cooperatively with the pilot hole 301, effectively check-valves is avoided to exist
In use, generating offset during non-return valve core 5 cooperates to non-return valve seat 3 in vertical direction.Preferably, the elastic component
6 be spring, is threadably secured and adjusts the distance between support base 4 and non-return valve seat 3, pre- with the pressure for adjusting elastic component 6
Clamp force, it is convenient to operate.
The non-return valve core 5 includes integrally formed prismoid section 501 and cylindrical portion 502, the prismoid section 501 and cylindrical portion
502 periphery is mounted on gasket, and the prismoid section 501 and the conical seal (contact) face form the first sealing pair 8, the circle
Column portion 502 and the end of the non-return valve core 5 form the second sealing pair 9, and first sealing pair 8 and the second sealing pair 9 are greatly
The sealing performance enhanced between non-return valve core 5 and non-return valve seat 3.
The pilot hole 301 far from the support base 4 one end be equipped with anti-block apparatus, meanwhile, the check valve body 2 it is interior
Offer the groove for accommodating the anti-block apparatus on wall, the anti-block apparatus be mounted in groove and with the check valve body 2
Inner wall fastens, and the anti-block apparatus includes anti-block dust gauze 10 and cyclic reinforcing rib 11, and the anti-block dust gauze 10 is arranged double
Layer, it is fixedly connected between the double-deck anti-block dust gauze 10 by multi-turn reinforcing rib 11, effectively filters out the impurity in medium, reduced
Abrasion of the impurity to sealing surface extends the service life with check valve type ball-cock device.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and
, when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it should still belong to this
In utility model covering scope.
Claims (5)
1. a kind of band check valve type ball-cock device, it is characterised in that: including ball valve body, check valve body, the ball valve body and non-return
Valve seal connection, sphere is equipped in the ball valve body, is equipped with ball valve seat between the sphere and ball valve body, the ball valve seat with
Ball seal cooperation, the top of the sphere are connected with control valve rod, and the top for connecting valve rod is connected with control handle;
One end that the check valve body is connected with ball valve body is equipped with non-return valve seat, and the other end is equipped with support base, the support base
It is threadedly coupled between check valve body, and the support base is equipped with medium flow field through-hole, is equipped with check-valves in the check valve body
Core, is equipped with elastic component between the non-return valve core side and support base, one end of the non-return valve core installation elastic component is equipped with
Support rod, the non-return valve core other side and non-return valve seat sealing cooperate, and pilot hole is equipped at the center of the non-return valve seat,
Conical seal (contact) face is set towards the end face of non-return valve core, and non-return valve core is fixedly connected with and is oriented to close to the side of non-return valve seat
The guide post that hole matches, the non-return valve core include integrally formed prismoid section and cylindrical portion, the prismoid section and the cone
Shape sealing surface forms the first sealing pair, the second sealing pair of end formation of the cylindrical portion and the non-return valve core;
The pilot hole is equipped with anti-block apparatus far from one end of the support base, and the anti-block apparatus is interior with the check valve body
Wall fastens.
2. a kind of band check valve type ball-cock device according to claim 1, it is characterised in that: the anti-block apparatus includes anti-
Block dust gauze and cyclic reinforcing rib, the anti-block dust gauze setting is double-deck, passes through multi-turn reinforcing rib between two layers of anti-block dust gauze
It is fixedly connected.
3. a kind of band check valve type ball-cock device according to claim 2, it is characterised in that: the inner wall of the check valve body
On offer the groove for accommodating the anti-block apparatus.
4. a kind of band check valve type ball-cock device according to claim 3, it is characterised in that: the prismoid section and cylindrical portion
Periphery be equipped with gasket.
5. a kind of band check valve type ball-cock device according to claim 1 to 4, it is characterised in that: the elastic component is adopted
Use spring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920169402.2U CN209278565U (en) | 2019-01-30 | 2019-01-30 | A kind of band check valve type ball-cock device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920169402.2U CN209278565U (en) | 2019-01-30 | 2019-01-30 | A kind of band check valve type ball-cock device |
Publications (1)
Publication Number | Publication Date |
---|---|
CN209278565U true CN209278565U (en) | 2019-08-20 |
Family
ID=67605998
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920169402.2U Expired - Fee Related CN209278565U (en) | 2019-01-30 | 2019-01-30 | A kind of band check valve type ball-cock device |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN209278565U (en) |
-
2019
- 2019-01-30 CN CN201920169402.2U patent/CN209278565U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190820 Termination date: 20220130 |
|
CF01 | Termination of patent right due to non-payment of annual fee |