CN209604615U - A kind of integral type non-return butterfly valve - Google Patents
A kind of integral type non-return butterfly valve Download PDFInfo
- Publication number
- CN209604615U CN209604615U CN201822266474.7U CN201822266474U CN209604615U CN 209604615 U CN209604615 U CN 209604615U CN 201822266474 U CN201822266474 U CN 201822266474U CN 209604615 U CN209604615 U CN 209604615U
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- CN
- China
- Prior art keywords
- return
- valve body
- butterfly valve
- seal surface
- installation component
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- 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.)
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Links
- 238000009434 installation Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 239000007787 solid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Abstract
The utility model relates to a kind of integral type non-return butterfly valves, including by being welded to connect fixed butterfly valve body and check valve body, the butterfly valve body upper end connects loose flange, the check valve body lower end is connected and fixed flange, the butterfly valve body side is provided with handle, the check valve body is provided with installation component on the inner wall of water inlet end side, non-return valve core moving up and down is provided in the middle part of the installation component, the non-return valve core lower end is fixedly connected with spherical seal surface, outside is socketed spring, the spherical seal surface lower end is provided with the O-ring seal contacted with installation component；The utility model provides a kind of integral type non-return butterfly valve, cooperates spherical seal surface and spring to realize self-return using non-return valve core, instead of traditional chain connection type, structure is simple, and design rationally, plays better backflow and sealing effect.
Description
Technical field
The utility model belongs to valve field, and in particular to a kind of integral type non-return butterfly valve.
Background technique
Integral type non-return butterfly valve a part flows and automatic open and close flap by medium itself, for preventing medium from flowing backwards,
Another part is made of butterfly valve, it is a kind of automatic valve and the valve of one manually, main function be prevent medium from flowing backwards,
Prevent pump and drive motor reversion and vessel media from releasing, also known as non-return valve, check valve, reflux valve and counterbalance valve,
The auxiliary system that check-valves can also be used to be raised above system pressure to pressure therein is provided on the pipeline of supply, while butterfly
Valve facilitates maintenance operation for switching pipeline.
Existing non-return butterfly valve, if number of patent application is CN201721153423.2, patent name is that " a kind of valve is only integrated
Valve " discloses a kind of valve and stops integral valve, is provided with a circle valve seat, valve seat in check valve body on water inlet end inner valve body wall
Surface is hinged with a circular valve plate, is hinged with a chain, the other end of circular valve plate lower part and chain immediately below valve seat
Hingedly, although can play the role of fluid stopping by the way of chain connecting valve seat and circular valve plate, it is not flexible, it is difficult to
Timely return, poor sealing effect.
Utility model content
To solve above-mentioned problems of the prior art, the utility model provides a kind of integral type non-return butterfly valve, uses
Non-return valve core cooperates spherical seal surface and spring to realize self-return, and instead of traditional chain connection type, structure is simple, if
Meter rationally, plays better backflow and sealing effect.
To achieve the above object, the technical solution of the utility model is: a kind of integral type non-return butterfly valve, including passes through
It is welded to connect fixed butterfly valve body and check valve body, the butterfly valve body upper end connects loose flange, under the check valve body
End is connected and fixed flange, and the butterfly valve body side is provided with handle, and the check valve body is on the inner wall of water inlet end side
It is provided with installation component, non-return valve core moving up and down is provided in the middle part of the installation component, the non-return valve core lower end is solid
Surely spherical seal surface, outside socket spring are connected, the spherical seal surface lower end is provided with the O-shaped sealing contacted with installation component
Circle.
Further, the non-return valve core is an integral structure with spherical seal surface, is fixedly connected by welding.
Further, the spring is located at the middle part of installation component and spherical seal surface, thereon end in contact installation component, under
End in contact spherical seal surface.
Further, when the non-return valve core downlink, the spring is in tensional state, when the non-return valve core uplink,
The spring is in compressive state.
Further, the spherical seal surface is elastic construction and the internal diameter for having a diameter larger than installation component.
The beneficial effects of the utility model are:
1. self-return is realized using non-return valve core cooperation spherical seal surface and spring, instead of traditional chain connection side
Formula, structure is simple, and design rationally, plays better backflow and sealing effect.
2. spherical seal surface is that elastic construction is convenient for the deformation when water inlet, non-return valve core move upwards to open, water flow is allowed
It passes through；Its diameter design be greater than installation component internal diameter, convenient for not use water when, fall under the action of the spring and with
O-ring seal is in close contact, and plays the role of sealing.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of integral type non-return butterfly valve.
Fig. 2 is the partial enlarged view of A in Fig. 1.
In figure: 1, loose flange；2, butterfly valve body；3, handle；4, check valve body；5, mounting flange；6, non-return valve core；7,
Spring；8, installation component；9, spherical seal surface；10, O-ring seal.
Specific embodiment
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case where, the feature in the embodiments of the present invention and embodiment can be combined with each other.For sake of convenience, hereinafter such as
There is "upper", "lower", "left", "right" printed words, only indicates consistent with the upper and lower, left and right direction of attached drawing itself, not to structure
Play restriction effect.
If Fig. 1-2 shows, the structure of the utility model are as follows: a kind of integral type non-return butterfly valve, including fixed by being welded to connect
Butterfly valve body 2 and check valve body 4,2 upper end of butterfly valve body connects loose flange 1, and 4 lower end of the check valve body connection is solid
Determine flange 5,2 side of butterfly valve body is provided with handle 3, and the check valve body 4 is arranged on the inner wall of water inlet end side
There is installation component 8, non-return valve core 6 moving up and down is provided in the middle part of the installation component 8,6 lower end of non-return valve core is solid
Surely connect spherical seal surface 9, outside be socketed spring 7,9 lower end of spherical seal surface be provided with contacted with installation component 8 it is O-shaped
Sealing ring 10.
As a kind of optimal technical scheme of the design, the non-return valve core 6 is an integral structure with spherical seal surface 9,
It is fixedly connected by welding.
As a kind of optimal technical scheme of the design, the spring 7 is located in installation component 8 and spherical seal surface 9
Portion, thereon end in contact installation component 8, lower end in contact spherical seal surface 9.
As a kind of optimal technical scheme of the design, when 6 downlink of non-return valve core, the spring 7, which is in, stretches shape
State, when 6 uplink of non-return valve core, the spring 7 is in compressive state.
As a kind of optimal technical scheme of the design, the spherical seal surface 9 is elastic construction and has a diameter larger than peace
Fill the internal diameter of component 8.
When specifically used, such as when the utility model is used for water system, water system is connected by mounting flange 5,
Loose flange 1 connects outlet system, and water flow enters in valve body, and the spherical seal surface 9 in check valve body 4 becomes under water impact
Shape is opened, and when not flowed back with water or water flow, in the presence of hydraulic pressure, spherical seal surface 9 is in non-return valve core 6 and spring 7
Under the action of downlink to be automatically closed and seal, water flow is prevented to flow back until being in close contact O-ring seal 10, it is more traditional
Chain connection type, structure is simple, and design rationally, and plays better backflow and sealing effect.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of integral type non-return butterfly valve, including by being welded to connect fixed butterfly valve body (2) and check valve body (4), spy
Sign is that butterfly valve body (2) upper end connects loose flange (1), and check valve body (4) lower end is connected and fixed flange (5),
Butterfly valve body (2) side is provided with handle (3), and the check valve body (4) is provided on the inner wall of water inlet end side
Installation component (8), installation component (8) middle part are provided with non-return valve core moving up and down (6), the non-return valve core (6)
Lower end is fixedly connected with spherical seal surface (9), outside socket spring (7), and spherical seal surface (9) lower end is provided with and installation structure
The O-ring seal (10) of part (8) contact；The spherical seal surface (9) is elastic construction and has a diameter larger than installation component (8)
Internal diameter.
2. a kind of integral type non-return butterfly valve according to claim 1, which is characterized in that the non-return valve core (6) and spherical shape
Sealing surface (9) is an integral structure, and is fixedly connected by welding.
3. a kind of integral type non-return butterfly valve according to claim 1, which is characterized in that the spring (7) is located at installation structure
The middle part of part (8) and spherical seal surface (9), thereon end in contact installation component (8), lower end in contact spherical seal surface (9).
4. a kind of integral type non-return butterfly valve according to claim 2, which is characterized in that when non-return valve core (6) downlink,
The spring (7) is in tensional state, and when non-return valve core (6) uplink, the spring (7) is in compressive state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266474.7U CN209604615U (en) | 2018-12-29 | 2018-12-29 | A kind of integral type non-return butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822266474.7U CN209604615U (en) | 2018-12-29 | 2018-12-29 | A kind of integral type non-return butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209604615U true CN209604615U (en) | 2019-11-08 |
Family
ID=68399448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822266474.7U Active CN209604615U (en) | 2018-12-29 | 2018-12-29 | A kind of integral type non-return butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209604615U (en) |
-
2018
- 2018-12-29 CN CN201822266474.7U patent/CN209604615U/en active Active
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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: 20240115 Address after: 410000, Room 101, Building 13, Tiansheng Community, Qingzhuhu Street, Kaifu District, Changsha City, Hunan Province Patentee after: Hunan Xiang'an Water Group Co.,Ltd. Address before: Room 2104, Unit N, Building 3, Jiahua City Phase II, No. 777 Huijin Road, Yuhua District, Changsha City, Hunan Province, 410000 Patentee before: Hunan New Territories Water Engineering Co.,Ltd. |