CN207064734U - A kind of swing check valve - Google Patents
A kind of swing check valve Download PDFInfo
- Publication number
- CN207064734U CN207064734U CN201720396035.0U CN201720396035U CN207064734U CN 207064734 U CN207064734 U CN 207064734U CN 201720396035 U CN201720396035 U CN 201720396035U CN 207064734 U CN207064734 U CN 207064734U
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- CN
- China
- Prior art keywords
- flap
- valve body
- opening device
- flow channel
- swing check
- 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.)
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Abstract
The utility model discloses a kind of swing check valve, including valve body, it is characterised in that：The valve body is provided with flow channel and flow pass, flap is provided between flow channel and flow pass, the flap is provided with valve seat close to flow channel end, the mating surface of the flap and the valve seat is equipped with packing ring, male seal is formed each other, the flap is fixedly connected on opening device by fastening assembly, the opening device is arranged on valve body, the opening device is provided with positive stop lug boss close to flow pass end, the valve body upper end is provided with bonnet, the mating surface of flap and valve seat is equipped with sealing ring, male seal is formed when being fitted to each other, it ensure that the sealing of valve body.
Description
Technical field
The utility model designs a kind of check-valves, particularly a kind of swing check valve.
Background technology
Swing check valve is also known as check valve or non-return valve, and its effect is to prevent the medium in pipeline from flowing backwards.Opening and closing element leans on
The strength of flow media is voluntarily turned on and off, to prevent the valve that medium flows backwards check-valves.Check-valves belongs to automatic valve class,
It is mainly used on the pipeline of medium one-way flow, only allows medium to be flowed to a direction, to try to avert accidents.At present, city
With the opening and closing of flap, the sealing property between flap and valve seat reduces for swing check valve on field, flap with
The impact of medium makes opening device hit valve body and situations such as accident occur, and the physical life of product is affected.
Utility model content
The purpose of this utility model is to provide a kind of swing check valve, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of swing check valve, including valve body,
It is characterized in that：The valve body is provided with flow channel and flow pass, and flap is provided between flow channel and flow pass, described
Flap is provided with valve seat close to flow channel end, and the mating surface of the flap and the valve seat is equipped with packing ring, forms convex each other
Sealing, the flap are fixedly connected on opening device by fastening assembly, and the opening device is arranged on valve body, described to open
Opening device is provided with positive stop lug boss close to flow pass end, and the valve body upper end is provided with bonnet.
It is made up of as further optimization, the opening device of the present utility model rocking bar, suspension hook and straight pin, wherein,
Rocking bar is flexibly connected by straight pin with suspension hook, and suspension hook is fixed on valve body by hexagon-headed bolt.
It is fixedly connected as further optimization, the flap of the present utility model with the rocking bar by fastening assembly, institute
Fastening assembly is stated to be made up of flap nut and trip bolt.
As further optimization of the present utility model, the axis of the flow channel and the flow pass is in same straight line
On.
It is fixed on as further optimization, the bonnet of the present utility model by studs and hex nut on valve body
End, the bonnet are provided with lifting bolt.
Compared with prior art, the beneficial effects of the utility model are：
1. the mating surface of flap and valve seat is equipped with sealing ring, male seal is formed when being fitted to each other, ensure that valve body
Sealing.
2. being provided with opening device in valve body, opening device is provided with positive stop lug boss close to flow pass end, and flap is in medium
Under impact, opening device is opened and offseted with positive stop lug boss, prevents accident.
3. the opening device set in valve body is made up of rocking bar, suspension hook and straight pin, wherein, rocking bar is by straight pin with hanging
Hook is flexibly connected, and suspension hook is fixed on valve body by hexagon-headed bolt, and the connected mode between each component is simple, maintenance or replacing
When the influence that brings to pipeline it is small.
4. flap is fixedly connected with rocking bar by fastening assembly, fastening assembly is made up of flap nut and trip bolt, side
Just install, dismantle and repair.
5. the flow channel of valve body and the axis of flow pass are on the same line, resistance when medium circulates in valve body
It is small.
6. bonnet is fixed on valve body upper end by studs and hex nut, convenient to observe valve inner feelings by bonnet
Condition.
7. bonnet is provided with lifting bolt, convenient dismounting and carrying.
Brief description of the drawings
Fig. 1 is the utility model schematic diagram；
In figure：1st, valve body, 2, valve seat, 3, flap, 4, flap nut, 5, holding screw, 6, rocking bar, 7, straight pin, 8, hang
Hook, 9, hexagon-headed bolt, 10, bonnet, 11, studs, 12, hex nut, 13, lifting bolt.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of swing check valve, including valve body (1), valve
Body (1) is provided with flow channel and flow pass, flap (3) is provided between flow channel and flow pass, flap (3) is close to inflow
Tunnel ends are provided with valve seat (2), and the mating surface of flap (3) and valve seat (2) is equipped with packing ring, forms male seal, flap (3) each other
It is fixedly connected on by fastening assembly on opening device, opening device is arranged on valve body (1), and opening device is close to flow pass
End is provided with positive stop lug boss, and valve body (1) upper end is provided with bonnet (10), due to the cooperation of flap of the present utility model (3) and valve seat (2)
Face is equipped with sealing ring, and male seal is formed when being fitted to each other, and ensure that the sealing of valve body.
Meanwhile in order to prevent flap (3) the impact of medium issue make trouble therefore, opening device of the present utility model with it is spacing
Boss is offseted, and opening device is made up of rocking bar (6), suspension hook (8) and straight pin (7), wherein, rocking bar (6) by straight pin (7) with
Suspension hook (8) is flexibly connected, and suspension hook (8) is fixed on valve body (1) by hexagon-headed bolt (9).
Further embodiment, flap (3) of the present utility model are fixedly connected with rocking bar (6) by fastening assembly, tightly
Gu component is made up of flap nut (4) and trip bolt (5), convenient installation, dismounting and maintenance.
And in order that resistance when medium circulates in valve body is small, the innovative flow channel valve body of the utility model
Set on the same line with the axis of flow pass, bonnet (10) of the present utility model passes through studs (11) and hex nut
(12) valve body (1) upper end is fixed on, bonnet (10) is provided with lifting bolt (13), convenient dismounting and carrying.
In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " both ends " or position close
It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as to limitation of the present utility model.
In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and it is not intended that instruction or
Relative importance or the implicit quantity for indicating indicated technical characteristic are implied, thus, defines " first ", " second ", " the
Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".
In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu
Calmly ", the term such as " spinning " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；
Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite, for this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of swing check valve, including valve body (1), it is characterised in that：The valve body (1) is provided with flow channel and outflow is logical
Road, is provided with flap (3) between flow channel and flow pass, the flap (3) is provided with valve seat (2), institute close to flow channel end
The mating surface for stating flap (3) and the valve seat (2) is equipped with packing ring, forms male seal each other, the flap (3) passes through fastening
Component is fixedly connected on opening device, and the opening device is arranged on valve body (1), and the opening device is close to flow pass
End is provided with positive stop lug boss, and valve body (1) upper end is provided with bonnet (10).
A kind of 2. swing check valve according to claim 1, it is characterised in that：The opening device by rocking bar (6), hang
Hook (8) and straight pin (7) are formed, wherein, rocking bar (6) is flexibly connected by straight pin (7) with suspension hook (8), and suspension hook (8) passes through six
Hex bolt (9) is fixed on valve body (1).
3. according to a kind of swing check valve described in claim 1 or 2, it is characterised in that：The flap (3) and rocking bar
(6) it is fixedly connected by fastening assembly, the fastening assembly is made up of flap nut (4) and trip bolt (5).
A kind of 4. swing check valve according to claim 1, it is characterised in that：The flow channel and the outflow are logical
The axis in road is on the same line.
A kind of 5. swing check valve according to claim 1, it is characterised in that：The bonnet (10) passes through studs
(11) and hex nut (12) is fixed on valve body (1) upper end, and the bonnet (10) is provided with lifting bolt (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396035.0U CN207064734U (en) | 2017-04-12 | 2017-04-12 | A kind of swing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720396035.0U CN207064734U (en) | 2017-04-12 | 2017-04-12 | A kind of swing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207064734U true CN207064734U (en) | 2018-03-02 |
Family
ID=61502132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720396035.0U Active CN207064734U (en) | 2017-04-12 | 2017-04-12 | A kind of swing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207064734U (en) |
-
2017
- 2017-04-12 CN CN201720396035.0U patent/CN207064734U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |