CN214699354U - Bellows stop check valve - Google Patents
Bellows stop check valve Download PDFInfo
- Publication number
- CN214699354U CN214699354U CN202120697477.5U CN202120697477U CN214699354U CN 214699354 U CN214699354 U CN 214699354U CN 202120697477 U CN202120697477 U CN 202120697477U CN 214699354 U CN214699354 U CN 214699354U
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- valve
- corrugated pipe
- valve body
- rod
- cover
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Abstract
The utility model provides a bellows stop check valve, includes valve body, valve rod and valve gap, form the valve pocket in the valve body, valve rod one end is passed the valve gap and is stretched into the valve pocket, set up disk seat and valve clack in the valve pocket, the valve rod stretches into the one end and the valve clack of valve pocket and is connected, set up sealing connecting piece between valve body and the valve gap, the sealing connecting piece both ends correspond and connect valve body and valve gap, the last ripple tube seat that sets up of sealing connecting piece, set up the bellows on the ripple tube seat, bellows cover is established in one side that the valve rod stretched into the valve pocket, the ripple tube seat and valve rod are connected in the correspondence of bellows both ends, the utility model discloses a set up sealing connecting piece and make between valve gap and the valve body sealed inseparabler, and the setting of bellows can prevent the medium to the corruption of valve rod.
Description
Technical Field
The utility model relates to a stop valve technical field, concretely relates to bellows stop check valve.
Background
Stop-check valve (stop-check valve) is a multipurpose valve having both functions of a stop valve and a check valve. The structure form is similar to that of a stop valve, but the valve rod is not fixedly connected with the valve clack. When the valve rod descends to press the valve clack on the valve seat, the valve rod plays a role of a stop valve; the valve rod acts as a check valve when lifted. The use of a stop check valve can save installation costs and space in a pipeline where both a stop valve (or gate valve) and a check valve need to be installed (such as an outlet end of a water pump), or in a place where the installation location is limited (such as a ship).
The sealing between the valve cover and the valve body of the existing valve is realized by adopting a flat gasket and an O-shaped ring, and the sealing mode ensures that a medium is easy to leak at the position of the valve cover and the valve body when the valve works, thereby causing serious harm.
Disclosure of Invention
In view of this, the utility model provides a bellows stop check valve.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a bellows is by formula check valve, includes valve body, valve rod and valve gap, form the valve pocket in the valve body, valve rod one end is passed the valve gap and is stretched into the valve pocket, set up disk seat and valve clack in the valve pocket, the valve rod stretches into the one end and the valve clack of valve pocket and is connected, set up sealing connecting piece between valve body and the valve gap, the sealing connecting piece both ends correspond and connect valve body and valve gap, the last ripple tube seat that sets up of sealing connecting piece, set up the bellows on the ripple tube seat, the bellows cover is established in the one side that the valve rod stretched into the valve pocket, the ripple tube seat and valve rod are connected to the correspondence of bellows both ends.
The preferred, set up the valve gap spread groove on the valve bonnet, set up the valve body spread groove on the valve body, sealing connection spare corresponds valve gap spread groove and valve body spread groove and sets up valve bonnet link end and valve body link end, valve bonnet link end and valve body link end correspond and stretch into connection valve bonnet spread groove and valve body spread groove.
Preferably, one side of the sealing connecting piece close to the valve cover is provided with a placing ring groove, and the corrugated pipe seat is installed on the placing ring groove.
Preferably, the two sides of the corrugated pipe seat are provided with sealing gaskets, each sealing gasket comprises an upper sealing gasket and a lower sealing gasket, two ends of each upper sealing gasket correspondingly abut against the valve cover connecting groove and the corrugated pipe seat, and the lower sealing gaskets correspondingly abut against the placing ring groove and the corrugated pipe seat.
Preferably, the valve clack is provided with a connecting hole, liquid inlets are formed in two sides of the connecting hole, and one end of the valve rod extends into the connecting hole to be fixedly connected with the valve clack.
Preferably, the valve cavity one end is kept away from to the valve rod sets up the hand wheel, the hand wheel sets up the connecting hole, valve rod one end stretches into the connecting hole and is connected with the hand wheel, set up spacing locking piece on the valve bonnet, set up spacing chain on the spacing locking piece, spacing locking piece and hand wheel are connected to spacing chain.
The beneficial effects of the utility model reside in that: the utility model discloses a set up sealing connection spare and make between valve gap and the valve body sealed inseparabler, and the setting of bellows can prevent the medium to the corruption of valve rod.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a portion a of fig. 1.
Reference numerals:
1. the valve comprises a valve body, 2, a valve rod, 3, a valve cover, 4, a valve cavity, 5, a valve seat, 6, a valve clack, 7, a sealing connecting piece, 8, a corrugated pipe seat, 9, a corrugated pipe, 10, a valve cover connecting groove, 11, a valve body connecting groove, 12, a valve cover connecting end, 13, a valve body connecting end, 14, a placing ring groove, 15, an upper sealing gasket, 16, a lower sealing gasket, 17, a connecting hole, 18, a liquid inlet, 19, a hand wheel, 20, a limiting locking block, 21 and a limiting locking chain.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings.
The utility model provides a following technical scheme:
as shown in fig. 1-2, the utility model discloses a bellows stop check valve, including valve body 1, valve rod 2 and valve gap 3, form valve pocket 4 in the valve body 1, valve rod 2 one end is passed valve gap 3 and is stretched into valve pocket 4, set up disk seat 5 and valve clack 6 in the valve pocket 4, valve rod 2 stretches into the one end of valve pocket 4 and is connected with valve clack 6, set up sealing connecting piece 7 between valve body 1 and the valve gap 3, sealing connecting piece 7 both ends correspond and connect valve body 1 and valve gap 3, set up corrugated tube seat 8 on the sealing connecting piece 7, set up bellows 9 on the corrugated tube seat 8, the one side that valve rod 2 stretched into valve pocket 4 is established to bellows 9 cover, bellows 9 both ends correspond connection corrugated tube seat 8 and valve rod 2. Specifically, the valve cover 3 and the valve body 1 are sealed more tightly by arranging the sealing connecting piece 7, and the corrugated pipe 9 is arranged to prevent the valve rod from being corroded by media.
Further, set up valve gap spread groove 10 on the valve gap 3, set up valve body spread groove 11 on the valve body 1, sealing connection 7 corresponds valve gap spread groove 10 and valve body spread groove 11 and sets up valve gap link 12 and valve body link 13, valve gap link 12 and valve body link 13 correspond and stretch into connection valve gap spread groove 10 and valve body spread groove 11. Specifically, through setting up valve gap connecting groove 10 and valve body connecting groove 11, can make the sealing connection 7 and the valve body 1 and be connected between the valve gap 3 inseparabler, valve gap link 12 and the valve body link 13 that correspond can prevent to appear in installation and long-term use that the sealing connection 7 and valve gap 3 or the valve body 1 between take place not hard up sealed not tight that causes.
Specifically, one side of the sealing connecting piece 7 close to the valve cover 3 is provided with a placing ring groove 14, and the corrugated pipe seat 8 is installed on the placing ring groove 14. Specifically, the corrugated pipe seat 8 can be directly mounted on the sealing connecting piece 7 by arranging the placing ring groove 14, and the mounting space is reduced.
Furthermore, sealing gaskets are arranged on two sides of the corrugated pipe seat 8, each sealing gasket comprises an upper sealing gasket 15 and a lower sealing gasket 16, two ends of each upper sealing gasket 15 correspondingly abut against the valve cover connecting groove 10 and the corrugated pipe seat 8, and each lower sealing gasket 16 correspondingly abuts against the annular placing groove 14 and the corrugated pipe seat 8. Specifically, can compress tightly the location to corrugated tube seat 8 through setting up seal gasket, place corrugated tube seat 8 and directly compressed tightly the fracture that causes, in this embodiment, seal gasket all adopts the graphite gasket.
Furthermore, a connecting hole 17 is formed in the valve clack 6, liquid inlets 18 are formed in two sides of the connecting hole 17, and one end of the valve rod 2 extends into the connecting hole 17 to be fixedly connected with the valve clack 6. Specifically, set up inlet 18 on valve clack 6, can make valve clack 6 at the in-process that rises, the pressure differential of valve clack 6 upper portion and valve clack 6 lower part remains stable to make valve clack 6 rise the in-process and can be laborsaving.
In this embodiment, valve cavity 4 one end is kept away from to valve rod 2 sets up hand wheel 19, hand wheel 19 sets up connecting hole 17, valve rod 2 one end is stretched into connecting hole 17 and is connected with hand wheel 19, set up spacing locking piece 20 on the valve gap 3, set up spacing chain 21 on the spacing locking piece 20, spacing locking piece 20 and hand wheel 19 are connected to spacing chain 21. By arranging the limiting lock block 20 and the limiting lock chain 21, when the hand wheel 19 needs to be positioned, the hand wheel 19 and the limiting lock block 20 are connected through the limiting lock chain 21, so that the purpose of limiting rotation of the hand wheel 19 is achieved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a bellows is by formula check valve, includes valve body, valve rod and valve gap, form the valve pocket in the valve body, valve rod one end is passed the valve gap and is stretched into the valve pocket, set up disk seat and valve clack in the valve pocket, the valve rod stretches into the one end and the valve clack of valve pocket and is connected its characterized in that: the valve comprises a valve body, a valve cover, a valve body, a valve seat, a corrugated pipe, a valve rod, a valve cavity and a sealing connecting piece, wherein the sealing connecting piece is arranged between the valve body and the valve cover, two ends of the sealing connecting piece are correspondingly connected with the valve body and the valve cover, the sealing connecting piece is provided with the corrugated pipe seat, the corrugated pipe is arranged on the corrugated pipe seat, the corrugated pipe is sleeved on one side, extending into the valve cavity, of the valve rod, and two ends of the corrugated pipe are correspondingly connected with the corrugated pipe seat and the valve rod.
2. The bellows stop check valve of claim 1, wherein: the valve comprises a valve body and a valve cover, and is characterized in that a valve cover connecting groove is formed in the valve cover, a valve body connecting groove is formed in the valve body, a valve cover connecting end and a valve body connecting end are arranged on the sealing connecting piece corresponding to the valve cover connecting groove and the valve body connecting groove, and the valve cover connecting end and the valve body connecting end correspondingly stretch into the connecting valve cover connecting groove and the valve body connecting groove.
3. The bellows stop check valve of claim 1, wherein: one side of the sealing connecting piece close to the valve cover is provided with a placing ring groove, and the corrugated pipe seat is installed on the placing ring groove.
4. The bellows stop check valve according to claim 2 or 3, wherein: sealing gaskets are arranged on two sides of the corrugated pipe seat and comprise an upper sealing gasket and a lower sealing gasket, two ends of the upper sealing gasket are correspondingly propped against the valve cover connecting groove and the corrugated pipe seat, and the lower sealing gasket is correspondingly propped against the placing ring groove and the corrugated pipe seat.
5. The bellows stop check valve of claim 1, wherein: the valve is characterized in that a connecting hole is formed in the valve clack, liquid inlets are formed in two sides of the connecting hole, and one end of the valve rod extends into the connecting hole to be fixedly connected with the valve clack.
6. The bellows stop check valve of claim 1, wherein: the valve cavity is kept away from to the valve rod one end sets up the hand wheel, the hand wheel sets up the connecting hole, valve rod one end stretches into the connecting hole and is connected with the hand wheel, set up spacing locking piece on the valve bonnet, set up spacing chain on the spacing locking piece, spacing locking piece and hand wheel are connected to spacing chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120697477.5U CN214699354U (en) | 2021-04-06 | 2021-04-06 | Bellows stop check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120697477.5U CN214699354U (en) | 2021-04-06 | 2021-04-06 | Bellows stop check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214699354U true CN214699354U (en) | 2021-11-12 |
Family
ID=78529603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120697477.5U Active CN214699354U (en) | 2021-04-06 | 2021-04-06 | Bellows stop check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214699354U (en) |
-
2021
- 2021-04-06 CN CN202120697477.5U patent/CN214699354U/en active Active
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