CN203230883U - Non-return valve - Google Patents
Non-return valve Download PDFInfo
- Publication number
- CN203230883U CN203230883U CN 201320097717 CN201320097717U CN203230883U CN 203230883 U CN203230883 U CN 203230883U CN 201320097717 CN201320097717 CN 201320097717 CN 201320097717 U CN201320097717 U CN 201320097717U CN 203230883 U CN203230883 U CN 203230883U
- Authority
- CN
- China
- Prior art keywords
- filter screen
- check valve
- main body
- sealing
- chimb
- 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 provides a non-return valve. The non-return valve comprises a body, a non-return device and a filter device, wherein the non-return device is arranged inside the body, the filter device comprises a first filter screen and a second filter screen, the first filter screen is arranged inside the right side of the body, and the second filter screen is arranged on the left side of the body. The non-return valve is reliable to seal, easy to operate, streamline-shaped in design and low in pressure loss, the non-return valve is operated through pressure of a fluid, and no external force action is required.
Description
Technical field
The utility model relates to valve field, refers to a kind of check valve especially.
Background technique
Check valve refers to rely on medium itself to flow and automatic open and close flap, is used for preventing the valve that medium flows backwards; Safety check belongs to the self-acting valve class, the pipe that is mainly used in the medium one-way flow is slept, only allow medium to flow to a direction, with the check valve that tries to avert accidents and sell in market at present, what adopt all is that brass material is made, such product cost height, and sealing effect is bad, and volume is also bigger; Can cause the water conservancy loss, cause the consumption of energy.
The model utility content
At the deficiency that prior art exists, the purpose of this utility model is to provide a kind of compact structure, sealability, the effective check valve of anti-back flow.
The technical solution of the utility model is achieved in that a kind of check valve, comprises main body, non-return device and filtrating equipment; Described non-return device is arranged on body interior; Described filtrating equipment comprises first filter screen and second filter screen, and described first filter screen is arranged on inside, main body right side, and described second filter screen is arranged on the main body left side.
Further, described non-return device comprises steel ball and spring, described steel ball is provided with projection; One end of described spring and the projection of steel ball are connected, and the other end is arranged in the push pedal.
Further, described check valve also comprises first Sealing and second Sealing; Described first Sealing and first filter screen are connected; Described second Sealing and second filter screen are connected.
Further, described main body right side is provided with first chimb, described main body left side is provided with second chimb; The described first chimb inboard is provided with first internal thread, and the described second chimb inboard is provided with second internal thread.
A kind of check valve of the present utility model, sealing is reliable, operation is light and handy; Streamline designs, the pressure loss is also little, utilizes fluid self pressure operation, does not need the external force effect.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the sectional structure schematic representation of a kind of check valve of the utility model;
Fig. 2 is the structural representation of a kind of check valve of the utility model.
1, main body; 2, first chimb; 3, first filter screen; 4, spring; 5, steel ball; 6, second chimb; 7, second filter screen; 8, push pedal; 9, projection; 21, first internal thread; 31, first Sealing; 61, second internal thread; 71, second Sealing.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of check valve comprises main body 1, non-return device and filtrating equipment; Described non-return device is arranged on main body 1 inside; Described filtrating equipment comprises first filter screen 3 and second filter screen 7, and described first filter screen 3 is arranged on inside, main body 1 right side, and described second filter screen 7 is arranged on main body 1 left side.
Above-mentioned check valve, described non-return device comprise steel ball 5 and spring 4, and described steel ball 5 is provided with projection 9; One end of described spring 4 and the projection 9 of steel ball 5 are connected, and the other end is arranged in the push pedal 8.
Above-mentioned check valve, described check valve also comprise first Sealing 31 and second Sealing 71; Described first Sealing 31 and first filter screen 3 are connected; Described second Sealing 71 and second filters 7 nets and is connected.
Above-mentioned check valve, described main body 1 right side are provided with first chimb 2, and described main body 1 left side is provided with second chimb 6; Described first chimb 2 inboards are provided with first internal thread 21, and described second chimb 6 inboards are provided with second internal thread 61.
Check valve refers to rely on medium itself to flow and automatic open and close flap, is used for preventing the valve that medium flows backwards.Main effect is to prevent that medium from flowing backwards, preventing pump and drive motor counter-rotating, and the releasing of vessel media; Safety check also can be used for may rising to the auxiliary system of pressing above system to wherein pressure to be provided on the pipeline of supply.
A kind of check valve of the present utility model, sealing is reliable, operation is light and handy; Streamline designs, the pressure loss is also little, utilizes fluid self pressure operation, does not need the external force effect.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (4)
1. a check valve is characterized in that, comprises main body, non-return device and filtrating equipment; Described non-return device is arranged on body interior; Described filtrating equipment comprises first filter screen and second filter screen, and described first filter screen is arranged on inside, main body right side, and described second filter screen is arranged on the main body left side.
2. check valve according to claim 1, it is characterized in that: described non-return device comprises steel ball and spring, described steel ball is provided with projection; One end of described spring and the projection of steel ball are connected, and the other end is arranged in the push pedal.
3. check valve according to claim 1, it is characterized in that: described check valve also comprises first Sealing and second Sealing; Described first Sealing and first filter screen are connected; Described second Sealing and second filter screen are connected.
4. check valve according to claim 1, it is characterized in that: described main body right side is provided with first chimb, and described main body left side is provided with second chimb; The described first chimb inboard is provided with first internal thread, and the described second chimb inboard is provided with second internal thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097717 CN203230883U (en) | 2013-03-04 | 2013-03-04 | Non-return valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320097717 CN203230883U (en) | 2013-03-04 | 2013-03-04 | Non-return valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203230883U true CN203230883U (en) | 2013-10-09 |
Family
ID=49287010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320097717 Expired - Fee Related CN203230883U (en) | 2013-03-04 | 2013-03-04 | Non-return valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203230883U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489813A (en) * | 2017-09-14 | 2017-12-19 | 江苏航天惠利特环保科技有限公司 | A kind of anticlogging stop valve |
| CN114333549A (en) * | 2021-12-08 | 2022-04-12 | 王欣悦 | Building model with acousto-optic effect |
-
2013
- 2013-03-04 CN CN 201320097717 patent/CN203230883U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107489813A (en) * | 2017-09-14 | 2017-12-19 | 江苏航天惠利特环保科技有限公司 | A kind of anticlogging stop valve |
| CN114333549A (en) * | 2021-12-08 | 2022-04-12 | 王欣悦 | Building model with acousto-optic effect |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20140304 |