CN206439456U - A kind of high check-valves of impact-resistant abrasion-proof performance - Google Patents
A kind of high check-valves of impact-resistant abrasion-proof performance Download PDFInfo
- Publication number
- CN206439456U CN206439456U CN201720015705.XU CN201720015705U CN206439456U CN 206439456 U CN206439456 U CN 206439456U CN 201720015705 U CN201720015705 U CN 201720015705U CN 206439456 U CN206439456 U CN 206439456U
- Authority
- CN
- China
- Prior art keywords
- spring
- metal
- support bar
- metal core
- valve body
- 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 discloses a kind of high check-valves of impact-resistant abrasion-proof performance, including valve body, the upper end of the valve body is provided with bonnet, metal core rod is provided with the middle part of the inner chamber of the valve body, the middle-end outer sheath of the metal core rod is provided with metal core, the lower end of metal core is provided with pad, the lower end of the pad is provided with metal sheeting, the lower end of the metal sheeting is provided with second spring, second spring is around the lower end outside for being located at metal core rod, the one end of the second spring away from metal sheeting is connected in spring base, the spring base is arranged on the inside middle-end of valve body, the lower end of the metal core rod is through spring base and extends in the delivery port of valve inner lower end setting.The check-valves shock resistance and pressure-resistant performance are high, are adapted to major part pressure piping and use, service life gets a promotion, and maintenance rate is low, good seal performance.
Description
Technical field
The utility model is related to check-valves technical field, the high check-valves of specially a kind of impact-resistant abrasion-proof performance.
Background technology
Check-valves refers to flow in itself by medium and automatic open and close flap, for preventing the valve of medium refluence, also known as
Non-return valve, check valve, reflux valve and counterbalance valve, check-valves belong to a kind of automatic valve, and its main function is to prevent medium from falling
Flow, prevent pump and drive motor from inverting, and vessel media is released.And fuse, tabletting in existing general check valve
All it is that plastics are made with core bar, shock resistance and pressure-resistant performance are bad, are only suitable for general low pressure pipeline and use, service life is not
It is good, and be easily damaged, sealing property is bad.
Utility model content
The purpose of this utility model is to provide a kind of impact-resistant abrasion-proof performance high check-valves, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：A kind of high non-return of impact-resistant abrasion-proof performance
Valve, including valve body, the upper end of the valve body are provided with bonnet, and the upper end of bonnet is provided with water inlet, the inner chamber of the valve body
Portion is provided with metal core rod, and the upper end of metal core rod is run through valve body and extended to outside the inside of bonnet, the middle-end of the metal core rod
Side is arranged with metal core, and the lower end of metal core is provided with pad, and the lower end of the pad is provided with metal sheeting, described
The lower end both sides of metal sheeting are installed with fixed sheet metal, and the lower end of fixed sheet metal is respectively connected with first support bar,
The one end of the one end of the first support bar away from fixed sheet metal with second support bar is hinged, and second support bar is away from first
One end of support bar is connected on two lateral walls of spring base, is connected between the first support bar and second support bar
First spring, the lower end of the metal sheeting is provided with second spring, and second spring surround the lower end outside for being located at metal core rod,
The one end of the second spring away from metal sheeting is connected in spring base, and the spring base is arranged on the inside middle-end of valve body,
The lower end of the metal core rod is through spring base and extends in the delivery port of valve inner lower end setting.
It is preferred that, the length and size all same of the first support bar and second support bar.
It is preferred that, first spring and second spring are back-moving spring.
It is preferred that, the first support bar and second support bar are small-sized stainless steel column composition.
It is preferred that, fixed between the fixed sheet metal and metal sheeting by the screw through setting, and on screw
It is painted with antirust coat.
Compared with prior art, the beneficial effects of the utility model are：The high check-valves of the impact-resistant abrasion-proof performance, structure
Advantages of simple is designed, in view of the deficienciess of the prior art, there is provided a kind of all-metal tabletting, fuse and core bar punching press one,
The check-valves shock resistance and pressure-resistant performance are high, are adapted to major part pressure piping and use, service life gets a promotion, and maintenance rate
Low, good seal performance.
Brief description of the drawings
Fig. 1 is the utility model structural representation.
In figure：Valve body 1, bonnet 2, water inlet 3, metal core rod 4, metal core 5, pad 6, metal sheeting 7, fixed metal
Piece 71, first support bar 72, second support bar 73, the first spring 74, spring base 8, second spring 81, delivery port 9.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, 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, belongs to the scope of the utility model protection.
Referring to Fig. 1, the utility model provides a kind of technical scheme：A kind of high check-valves of impact-resistant abrasion-proof performance, bag
Valve body 1 is included, the upper end of valve body 1 is provided with bonnet 2, and the upper end of bonnet 2 is provided with the middle part of water inlet 3, the inner chamber of valve body 1 provided with gold
Belong to core bar 4, the upper end of metal core rod 4 runs through valve body 1 and extends to the inside of bonnet 2, and the middle-end outer sheath of metal core rod 4 is provided with
Metal core 5, the lower end of metal core 5 is provided with pad 6, and the lower end of pad 6 is provided with metal sheeting 7, metal sheeting 7
Lower end both sides are installed with fixed sheet metal 71, by through setting between fixed sheet metal 71 and metal sheeting 7
Screw is fixed, and is connected more fixed, is not easily caused and come off, antirust coat is painted with screw, play good anti-rust action, Gu
The lower end for determining sheet metal 71 is respectively connected with first support bar 72, and the one end of first support bar 72 away from fixed sheet metal 71 is with the
One end of two support bars 73 is hinged, and the one end of second support bar 73 away from first support bar 72 is connected to the two of spring base 8
On lateral wall, the first spring 74 is connected between first support bar 72 and second support bar 73, first support bar 72 and second
The length and size all same of strut 73, pass through the cooperation between first support bar 72, the spring 74 of second support bar 73 and first
Activity, enables to the more preferable more stable return of flap of check-valves so that sealing effectiveness is more preferable, first support bar 72 and second
Support bar 73 is small-sized stainless steel column composition, and more preferably, the lower end of metal sheeting 7 is provided with second for rust-proof effect and abrasion resistant effect
Spring 81, the first spring 74 and second spring 81 are back-moving spring, with good reset effect, and second spring 81 surround and set
In the lower end outside of metal core rod 4, the one end of second spring 81 away from metal sheeting 7 is connected in spring base 8, and spring base 8 is set
The inside middle-end in valve body 1 is put, the lower end of metal core rod 4 runs through spring base 8 and extends to the water outlet of the interior lower end of valve body 1 setting
In mouth 9.
Operation principle：When water inlet 3 is intake, the flap of check-valves is opened under Fluid pressure effect, and fluid is from import
Effluent is to outlet side, and when the pressure of inlet side is less than outlet side, flap is in fluid pressure difference, gravity itself and the and of the first spring 74
The lower automatic closing of the factors such as the thrust of second spring 81 effect, reverse flow of fluids is prevented to reach.
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 in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of high check-valves of impact-resistant abrasion-proof performance, including valve body (1), it is characterised in that：The upper end peace of the valve body (1)
Equipped with bonnet (2), the upper end of bonnet (2), which is provided with the middle part of water inlet (3), the inner chamber of the valve body (1), is provided with metal core rod
(4), the upper end of metal core rod (4) is run through valve body (1) and extended to outside the inside of bonnet (2), the middle-end of the metal core rod (4)
Side is arranged with metal core (5), and the lower end of metal core (5) is provided with pad (6), and the lower end of the pad (6) is provided with
Metal sheeting (7), the lower end both sides of the metal sheeting (7) are installed with fixed sheet metal (71), fixed sheet metal
(71) lower end is respectively connected with first support bar (72), and the one end of the first support bar (72) away from fixed sheet metal (71) is equal
It is hinged with one end of second support bar (73), the one end of second support bar (73) away from first support bar (72) is connected to bullet
On two lateral walls of spring abutment (8), the first spring (74) is connected between the first support bar (72) and second support bar (73),
The lower end of the metal sheeting (7) is provided with second spring (81), and second spring (81) is around the lower end for being located at metal core rod (4)
Outside, the one end of the second spring (81) away from metal sheeting (7) is connected in spring base (8), and the spring base (8) is set
In the inside middle-end of valve body (1), the lower end of the metal core rod (4) runs through spring base (8) and extends to valve body (1) interior lower end
In the delivery port (9) of setting.
2. a kind of high check-valves of impact-resistant abrasion-proof performance according to claim 1, it is characterised in that：First support
The length and size all same of bar (72) and second support bar (73).
3. a kind of high check-valves of impact-resistant abrasion-proof performance according to claim 1, it is characterised in that：First spring
And second spring (81) is back-moving spring (74).
4. a kind of high check-valves of impact-resistant abrasion-proof performance according to claim 1, it is characterised in that：First support
Bar (72) and second support bar (73) are small-sized stainless steel column composition.
5. a kind of high check-valves of impact-resistant abrasion-proof performance according to claim 1, it is characterised in that：The fixed metal
Fixed between piece (71) and metal sheeting (7) by the screw through setting, and antirust coat is painted with screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015705.XU CN206439456U (en) | 2017-01-06 | 2017-01-06 | A kind of high check-valves of impact-resistant abrasion-proof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015705.XU CN206439456U (en) | 2017-01-06 | 2017-01-06 | A kind of high check-valves of impact-resistant abrasion-proof performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206439456U true CN206439456U (en) | 2017-08-25 |
Family
ID=59642266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720015705.XU Expired - Fee Related CN206439456U (en) | 2017-01-06 | 2017-01-06 | A kind of high check-valves of impact-resistant abrasion-proof performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206439456U (en) |
-
2017
- 2017-01-06 CN CN201720015705.XU patent/CN206439456U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170825 Termination date: 20210106 |