CN206439455U - A kind of check-valves - Google Patents
A kind of check-valves Download PDFInfo
- Publication number
- CN206439455U CN206439455U CN201720014962.1U CN201720014962U CN206439455U CN 206439455 U CN206439455 U CN 206439455U CN 201720014962 U CN201720014962 U CN 201720014962U CN 206439455 U CN206439455 U CN 206439455U
- Authority
- CN
- China
- Prior art keywords
- bonnet
- valve element
- valve body
- groove
- spring
- 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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- Check Valves (AREA)
Abstract
The utility model discloses a kind of check-valves, including valve body and bonnet, it is flow inlet on the left of the valve body bottom, right side is outflow port, the flow inlet inboard is provided with inclination heavy caliber port, the port and flow inlet are in 60 ° of inclinations angle, the port upper end is provided with the valve element of equal angular, the valve body threaded upper ends are connected with bonnet, bonnet inner end side wall is provided with the first groove, the first groove madial wall slidably connects valve element, the one end of the valve element away from bonnet is socketed with packing ring, the packing ring lower end is provided with pad, the pad is socketed on valve element, the pad lower end is provided with stop nut.The utility model connects bonnet and valve element by the first spring and second spring, slide the first groove inner wall of valve element and bonnet, increase the sealing of valve body and bonnet junction by degree of lip-rounding circle, flap is automatic under the effect of the factors such as the thrust of fluid pressure difference, gravity itself and spring to close to prevent reverse flow of fluids.
Description
Technical field
The utility model is related to valve technology field, specially a kind of check-valves.
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 belongs 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.The general common common money Shortcomings of check-valves,
Common money latus rectum space finite medium flow is few, and the purpose of this utility model is to provide a kind of brand-new internal structure and big orifice
Solve that the few problem of rate-of flow, maintenance rate be low, good seal performance check-valves.
Utility model content
The purpose of this utility model is to provide a kind of check-valves, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：A kind of check-valves, including valve body and bonnet,
It is flow inlet on the left of the valve body bottom, right side is outflow port, the flow inlet inboard is described big provided with heavy caliber port is tilted
Bore port and flow inlet are in 60 ° of inclinations angle, and the port upper end is provided with the valve element of equal angular, and the valve body threaded upper ends connect
Bonnet is connected to, bonnet inner end side wall is provided with the first groove, and the first groove madial wall slidably connects valve element, the valve
The one end of core away from bonnet is socketed with packing ring, and the packing ring lower end is provided with pad, and the pad is socketed on valve element, the pad
Lower end is provided with stop nut, and the threaded one end of the stop nut and valve element is connected.
It is preferred that, the valve element is provided with the second groove close to one end of bonnet, and the side wall of second groove is connected with the
One spring, the one end of first spring away from the second recess sidewall is connected to be socketed with the outside of the first recess sidewall, the valve element
Sliding block, first groove inner wall is provided with the chute corresponding with sliding block, and the both sides of the sliding block are equipped with second spring, two
The one end of the second spring away from sliding block connects the inwall of chute.
It is preferred that, degree of lip-rounding circle is provided with the gap of valve body and bonnet the handing-over corner, the degree of lip-rounding circle is high-temperature plastic
Material.
Compared with prior art, the beneficial effects of the utility model are：Bonnet is connected by the first spring and second spring
And valve element, valve element is slided in the first groove inner wall of bonnet, increase the sealing of valve body and bonnet junction by degree of lip-rounding circle,
The flap of check-valves is opened under Fluid pressure effect, and fluid flows to outlet side from inlet side.When import lateral pressure is less than outlet
During side, flap is closed to prevent reverse flow of fluids automatically under the effect of the factors such as the thrust of fluid pressure difference, gravity itself and spring, is
A kind of brand-new internal structure and heavy caliber port solve that the few problem of rate-of flow, maintenance rate be low, good seal performance check-valves.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the structural representation that the utility model valve element and bonnet are connected.
In figure：1 valve body, 2 bonnets, 3 degree of lip-rounding circles, 4 packing rings, 5 pads, 6 stop nuts, 7 valve elements, 8 first springs, 9 sliding blocks,
10 second springs, 11 heavy caliber ports.
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.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of check-valves, including valve body 1 and bonnet 2, valve
It is flow inlet on the left of the bottom of body 1, right side is outflow port, and flow inlet inboard is provided with inclination heavy caliber port 11, heavy caliber port 11
With flow inlet in 60 ° of inclinations angle, the port upper end is provided with the valve element 7 of equal angular, and the threaded upper ends of valve body 1 are connected with bonnet 2,
Degree of lip-rounding circle 3 is provided with the gap of valve body 1 and the handing-over corner of bonnet 2, degree of lip-rounding circle 3 is high temperature resistant sizing material, increase valve body 1 and bonnet 2
The sealing of junction, the inner end side wall of bonnet 2 is provided with the first groove, and the first groove madial wall slidably connects valve element 7, valve element 7
The second groove is provided with close to one end of bonnet 2, the side wall of the second groove is connected with the first spring 8, and the first spring 8 is recessed away from second
One end of groove sidewall connects the first recess sidewall, and the outside of valve element 7 is socketed with sliding block 9, and the first groove inner wall is provided with and sliding block 9 is relative
The chute answered, the both sides of sliding block 9 are equipped with second spring 10, one end connection chute of two second springs 10 away from sliding block 9
Inwall, makes flap is automatic under the effect of the factors such as the thrust of fluid pressure difference, gravity itself and spring to close to prevent reverse flow of fluids
The one end of valve element 7 away from bonnet 2 is socketed with packing ring 4, and the lower end of packing ring 4 is provided with pad 5, and pad 5 is socketed on valve element 7, under pad 5
End is provided with stop nut 6, the threaded one end connection of stop nut 6 and valve element 7.
Operation principle：Bonnet 2 and valve element 7 are connected by the first spring 8 and second spring 10, make the of valve element 7 and bonnet 2
One groove inner wall is slided, and increases the sealing of valve body 1 and the junction of bonnet 3 by degree of lip-rounding circle 3, the flap of the check-valves is in fluid
Pressure effect is lower to open, and fluid flows to outlet side from inlet side, and port and flow inlet are in 60 ° of inclinations angle, and port upper end is provided with phase
With the valve element 7 of angle, when import lateral pressure is less than outlet side, flap is in thrust of fluid pressure difference, gravity itself and spring etc.
Factor effect is lower to close to prevent reverse flow of fluids automatically.
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 (3)
1. a kind of check-valves, including valve body (1) and bonnet (2), it is characterised in that：It is flow inlet on the left of valve body (1) bottom,
Right side is outflow port, and the flow inlet inboard is provided with inclination heavy caliber port (11), the heavy caliber port (11) and flow inlet
In 60 ° of inclinations angle, the port upper end is provided with the valve element (7) of equal angular, and valve body (1) threaded upper ends are connected with bonnet
(2), bonnet (2) inner end side wall is provided with the first groove, and the first groove madial wall slidably connects valve element (7), described
The one end of valve element (7) away from bonnet (2) is socketed with packing ring (4), and packing ring (4) lower end is provided with pad (5), the pad (5)
It is socketed on valve element (7), pad (5) lower end is provided with one end of stop nut (6), the stop nut (6) and valve element (7)
Threaded connection.
2. a kind of check-valves according to claim 1, it is characterised in that：The valve element (7) is provided with close to one end of bonnet (2)
Second groove, the side wall of second groove is connected with the first spring (8), and first spring (8) is away from the second recess sidewall
One end connect and be socketed with sliding block (9) on the outside of the first recess sidewall, the valve element (7), first groove inner wall is provided with and slided
The corresponding chute of block (9), the both sides of the sliding block (9) are equipped with second spring (10), and two second springs (10) are remote
One end from sliding block (9) connects the inwall of chute.
3. a kind of check-valves according to claim 1, it is characterised in that：The valve body (1) and bonnet (2) join corner
Degree of lip-rounding circle (3) is provided with gap, the degree of lip-rounding circle (3) is high temperature resistant sizing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014962.1U CN206439455U (en) | 2017-01-06 | 2017-01-06 | A kind of check-valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014962.1U CN206439455U (en) | 2017-01-06 | 2017-01-06 | A kind of check-valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206439455U true CN206439455U (en) | 2017-08-25 |
Family
ID=59643277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720014962.1U Expired - Fee Related CN206439455U (en) | 2017-01-06 | 2017-01-06 | A kind of check-valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206439455U (en) |
-
2017
- 2017-01-06 CN CN201720014962.1U patent/CN206439455U/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: 20170825 Termination date: 20210106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |