CN218468329U - Bellows valve for preventing countercurrent - Google Patents
Bellows valve for preventing countercurrent Download PDFInfo
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- CN218468329U CN218468329U CN202221729282.5U CN202221729282U CN218468329U CN 218468329 U CN218468329 U CN 218468329U CN 202221729282 U CN202221729282 U CN 202221729282U CN 218468329 U CN218468329 U CN 218468329U
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Abstract
The utility model relates to a bellows valve technical field specifically is a prevent bellows valve against current, include: the central symmetrical position of the side wall of one side of the bottom of the corrugated pipe valve is fixedly connected with a pipe valve inlet; the connecting rod is arranged inside the pipe valve inlet, and one end part of the connecting rod is fixedly connected with a second sealing sleeve block; the fixed block is fixedly arranged inside the pipe valve inlet and is of a cylindrical structure; the beneficial effects are that: when liquid gets into the inside of pipe valve import, liquid pressure promotes first sealed cover piece, first sealed cover piece breaks away from with the spacing lantern ring, liquid flows into the inside of pipe valve import through the spacing lantern ring, when liquid stops flowing, under reset spring's promotion, the connecting rod drives the inside that first sealed cover piece joint advances the spacing lantern ring, first sealed cover piece and second sealed cover piece joint have first sealed piece and second sealed piece respectively, can seal the junction of first sealed cover piece and second sealed cover piece and spacing lantern ring, realize that bellows valve prevents against current.
Description
Technical Field
The utility model relates to a bellows valve field specifically is a prevent bellows valve against current.
Background
The corrugated pipe valve is a pressure balance type regulating valve, the valve body has a compact structure, a fluid channel is S-streamline, the pressure drop loss is small, the flow is large, and the adjustable range is wide;
the existing anti-reflux corrugated pipe valve is sealed by extruding the left end surface and the right end surface of a sealing assembly in the pipe valve, the parallelism, the smoothness and the installation requirements of the left end surface and the right end surface of the sealing assembly and the end surfaces of matched parts are extremely high, after the pipe valve is continuously used for a period of time, the edge of the sealing assembly is abraded, and the corrugated pipe valve can not prevent the reflux.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a prevent bellows valve against current to solve the inside seal assembly edge of bellows valve that proposes in the above-mentioned background art and produce wearing and tearing, the bellows valve will no longer prevent the problem against current.
In order to achieve the above object, the utility model provides a following technical scheme: a reverse flow prevention bellows valve, comprising:
the central symmetrical position of the side wall at one side of the bottom of the corrugated pipe valve is fixedly connected with a pipe valve inlet;
the connecting rod is arranged inside the pipe valve inlet, and one end part of the connecting rod is fixedly connected with a second sealing sleeve block;
the fixed block is fixedly arranged in the pipe valve inlet and is of a cylindrical structure.
Preferably, the pipe valve inlet is of a hollow cylindrical structure, the inside of the pipe valve inlet is communicated with the inside of the bellows valve, the pipe valve outlet is fixedly connected to the central symmetrical position of the side wall of the bellows valve far away from the pipe valve inlet, the pipe valve outlet is of a hollow cylindrical structure, the pipe valve outlet and the pipe valve inlet are symmetrically distributed by taking the bellows valve as the center, the inside of the pipe valve outlet is communicated with the inside of the bellows valve, and the pipe valve outlet is communicated with the pipe valve inlet through the bellows valve.
Preferably, the connecting rod is of a cylindrical structure, one end of the connecting rod is fixedly connected to the center symmetry position of the side wall of the second sealing sleeve block, the connecting rod is of a circular structure, the diameter of the connecting rod is smaller than the diameter of the inner wall of the pipe valve inlet, a second clamping groove is formed in the surface, far away from the connecting rod, of the side wall of the second sealing sleeve block, the cross section of the second clamping groove is of a T-shaped structure, a second sealing block is arranged inside the second clamping groove, the size of the second sealing block is matched with the second clamping groove, and the second sealing block is connected with the second sealing sleeve block through the second clamping groove.
Preferably, the second sealing sleeve block is far away from the first sealing sleeve block of one side lateral wall central symmetry position fixedly connected with of connecting rod, first sealing sleeve block is the hemisphere type structure, and first sealing sleeve block is located the inboard of the second sealing sleeve block, first clamping groove has been seted up to the one end surface that first sealing sleeve block is close to the second sealing sleeve block, the inside in first clamping groove is pegged graft and is had first sealing block, the size and the first clamping groove phase-match of first sealing block, the one end tip that first clamping groove was kept away from to first sealing block is the tilt state, first sealing block is connected with first sealing sleeve block through first clamping groove.
Preferably, the outer surface cover of first sealed cover piece is equipped with the spacing lantern ring, and the spacing lantern ring is hollow annular structure, and the outer fixed surface of spacing lantern ring connects at the inner wall of pipe valve import, and the outer surface size of the spacing lantern ring and the inner wall size phase-match of pipe valve import, and the inner wall size of the spacing lantern ring and the external diameter size phase-match of first sealed cover piece.
Preferably, the fixed block is fixed to be set up in the pipe valve import and is close to one side inner wall of bellows valve, the diameter size of fixed block and the inner wall diameter size phase-match of pipe valve import, the through-hole has been seted up on the surface of fixed block, the through-hole runs through the lateral wall of fixed block, the multiunit has been seted up to the through-hole, the multiunit through-hole is the even symmetric distribution of circumferencial state, and the fixed block is close to one side lateral wall central symmetry position fixedly connected with of the spacing lantern ring and steps down the sleeve, it is hollow cylindrical structure to step down the sleeve, it has the connecting rod to peg graft inside the sleeve of stepping down and keeps away from the one end tip of second sealed nest block.
Preferably, the tip size of connecting rod and the telescopic inner wall size phase-match that lets a position, the telescopic inside of letting a position is provided with reset spring, and reset spring is fixed to be set up and is keeping away from between the tip of second sealed nest block at the telescopic inner wall that lets a position and connecting rod, and the connecting rod is pegging graft in the telescopic inside that lets a position through reset spring elasticity.
Preferably, the telescopic inner wall surface of stepping down has seted up the spout, and the spout has been seted up two sets ofly, and two sets of spouts use the sleeve of stepping down to carry out the symmetric distribution as the center, and the inside of two sets of spouts all slides and is provided with the slider, the size and the spout phase-match of slider, the fixed surface that sets up at the connecting rod of slider, and two sets of sliders use the connecting rod to carry out the symmetric distribution as the center.
Compared with the prior art, the beneficial effects of the utility model are that:
when liquid enters the inside of the pipe valve inlet, liquid pressure pushes the first sealing sleeve block, the first sealing sleeve block is separated from the limiting sleeve ring, the liquid flows into the inside of the pipe valve inlet through the limiting sleeve ring, when the liquid stops flowing, under the pushing of the reset spring, the connecting rod drives the first sealing sleeve block to be clamped into the inside of the limiting sleeve ring, the first sealing sleeve block and the second sealing sleeve block are respectively clamped with the first sealing block and the second sealing block, the connecting part of the first sealing sleeve block and the connecting part of the second sealing sleeve block and the limiting sleeve ring can be sealed, and the backflow prevention of the corrugated pipe valve is achieved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
FIG. 4 is an enlarged view of the structure at B in FIG. 2;
fig. 5 is a schematic view of the structural connection between the first sealing sleeve block and the fixing block of the present invention.
In the figure: the pipe valve comprises a corrugated pipe valve 1, a pipe valve outlet 2, a pipe valve inlet 3, a limiting lantern ring 4, a first sealing sleeve block 5, a second sealing sleeve block 6, a first clamping groove 7, a first sealing block 8, a second sealing block 9, a second clamping groove 10, a connecting rod 12, a fixing block 13, a through hole 14, a yielding sleeve 15, a sliding groove 16, a sliding block 17 and a reset spring 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below. The embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts, all belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a bellows valve for preventing reverse flow, comprising: the reverse flow prevention bellows valve includes:
the pipe valve comprises a corrugated pipe valve 1, wherein a pipe valve inlet 3 is fixedly connected to the central symmetrical position of the side wall of one side of the bottom of the corrugated pipe valve 1, the pipe valve inlet 3 is of a hollow cylindrical structure, the interior of the pipe valve inlet 3 is communicated with the interior of the corrugated pipe valve 1, a pipe valve outlet 2 is fixedly connected to the central symmetrical position of the side wall of one side, far away from the pipe valve inlet 3, of the corrugated pipe valve 1, the pipe valve outlet 2 is of a hollow cylindrical structure, the pipe valve outlet 2 and the pipe valve inlet 3 are symmetrically distributed by taking the corrugated pipe valve 1 as the center, the interior of the pipe valve outlet 2 is communicated with the interior of the corrugated pipe valve 1, and the pipe valve outlet 2 is communicated with the pipe valve inlet 3 through the corrugated pipe valve 1;
a connecting rod 12, the connecting rod 12 is arranged inside the pipe valve inlet 3, one end of the connecting rod 12 is fixedly connected with a second sealing sleeve block 6, the connecting rod 12 is in a cylindrical structure, one end of the connecting rod 12 is fixedly connected with a central symmetrical position of a side wall of the second sealing sleeve block 6, the connecting rod 12 is in a circular structure, the diameter of the connecting rod 12 is smaller than that of the inner wall of the pipe valve inlet 3, a second clamping groove 10 is formed in the surface of the side wall of the second sealing sleeve block 6, which is far away from the connecting rod 12, the cross section of the second clamping groove 10 is in a T-shaped structure, a second sealing block 9 is arranged inside the second clamping groove 10, the size of the second sealing block 9 is matched with that of the second clamping groove 10, the second sealing block 9 is connected with the second sealing sleeve block 6 through the second clamping groove 10, a first sealing sleeve block 5 is fixedly connected with the central symmetrical position of the side wall of the second sealing sleeve block 6, which is far away from the connecting rod 12, and the first sealing sleeve block 5 is in a hemispherical structure, the first sealing sleeve block 5 is positioned on the inner side of the second sealing sleeve block 9, a first clamping groove 7 is formed in the outer surface of one end, close to the second sealing sleeve block 6, of the first sealing sleeve block 5, a first sealing block 8 is inserted into the first clamping groove 7, the size of the first sealing block 8 is matched with that of the first clamping groove 7, the end portion, far away from the first clamping groove 7, of the first sealing block 8 is in an inclined state, the first sealing block 8 is connected with the first sealing sleeve block 5 through the first clamping groove 7, a limiting sleeve ring 4 is sleeved on the outer surface of the first sealing sleeve block 5, the limiting sleeve ring 4 is in a hollow annular structure, the outer surface of the limiting sleeve ring 4 is fixedly connected to the inner wall of the pipe valve inlet 3, the size of the outer surface of the limiting sleeve ring 4 is matched with that of the inner wall of the pipe valve inlet 3, and the size of the inner wall of the limiting sleeve ring 4 is matched with that of the first sealing sleeve block 5;
The working principle is as follows: liquid enters the interior of the bellows valve 1 from the pipe valve inlet 3 and then flows out from the interior of the pipe valve outlet 2, when the liquid enters the interior of the pipe valve inlet 3, the liquid pressure pushes the first sealing sleeve block 5, the first sealing sleeve block 5 drives the second sealing sleeve block 6 to be separated from the limiting sleeve ring 4, meanwhile, the second sealing sleeve block 6 compresses the reset spring 18 through the connecting rod 12, the liquid flows into the interior of the pipe valve inlet 3 through the limiting sleeve ring 4, then flows into the interior of the bellows valve 1 through the through hole 14 and then flows out from the interior of the pipe valve outlet 2;
when liquid stops flowing, under the promotion of reset spring 18, connecting rod 12 drives second sealed cover block 6 and the inside of first sealed cover block 5 joint income spacing lantern ring 4, because the lateral wall difference joint of first sealed cover block 5 and second sealed cover block 6 has first sealed piece 8 and second sealed piece 9, first sealed piece 8 and second sealed piece 9 can seal the junction of first sealed cover block 5 and second sealed cover block 6 and spacing lantern ring 4 to realize bellows valve 1 and prevent against the current.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A bellows valve for preventing reverse flow, comprising: the reverse flow prevention bellows valve includes:
the corrugated pipe valve (1), the central symmetrical position of the side wall of one side of the bottom of the corrugated pipe valve (1) is fixedly connected with a pipe valve inlet (3);
the connecting rod (12), the connecting rod (12) is set in the pipe valve inlet (3), one end of the connecting rod (12) is fixedly connected with a second sealing sleeve block (6);
the fixed block (13), fixed setting in the inside of pipe valve import (3) of fixed block (13), fixed block (13) are cylindrical structure.
2. The bellows valve of claim 1, wherein: the pipe valve inlet (3) is of a hollow cylindrical structure, the inside of the pipe valve inlet (3) is communicated with the inside of a corrugated pipe valve (1), the pipe valve outlet (2) is fixedly connected to the central symmetrical position of the side wall of one side, far away from the pipe valve inlet (3), of the corrugated pipe valve (1), the pipe valve outlet (2) is of a hollow cylindrical structure, the pipe valve outlet (2) and the pipe valve inlet (3) are symmetrically distributed by taking the corrugated pipe valve (1) as the center, the inside of the pipe valve outlet (2) is communicated with the inside of the corrugated pipe valve (1), and the pipe valve outlet (2) is communicated with the pipe valve inlet (3) through the corrugated pipe valve (1).
3. The bellows valve of claim 1 for preventing reverse flow, wherein: connecting rod (12) are cylindrical structure, the one end tip fixed connection of connecting rod (12) is in the one side lateral wall central symmetry position of the sealed cover block of second (6), connecting rod (12) are circular structure, the diameter of connecting rod (12) is less than the inner wall diameter size of pipe valve import (3), second block groove (10) have been seted up on one side lateral wall surface that connecting rod (12) were kept away from in the sealed cover block of second (6), the transversal "T" type structure of personally submitting of second block groove (10), the inside in second block groove (10) is provided with the sealed piece of second (9), the size and the second block groove (10) phase-match of the sealed piece of second (9), the sealed piece of second (9) are connected with the sealed cover block of second (6) through second block groove (10).
4. A bellows valve for preventing reverse flow according to claim 3, wherein: the utility model discloses a sealed structure of connecting rod (12) is kept away from to sealed cover piece (6) of second, one side lateral wall central symmetry position fixedly connected with first sealed cover piece (5), first sealed cover piece (5) are hemisphere type structure, and first sealed cover piece (5) are located the inboard of the sealed piece of second (9), first block groove (7) have been seted up to the one end surface that first sealed cover piece (5) are close to the sealed cover piece of second (6), the inside grafting in first block groove (7) has first sealed piece (8), the size and the first block groove (7) phase-match of first sealed piece (8), the one end tip that first block groove (7) were kept away from in first sealed piece (8) is the tilt state, first sealed piece (8) are connected with first sealed cover piece (5) through first block groove (7).
5. The bellows valve of claim 4 for preventing reverse flow, wherein: the outer surface cover of first sealed cover piece (5) is equipped with stop collar (4), and stop collar (4) are cavity loop configuration, and the outer fixed surface of stop collar (4) connects the inner wall at pipe valve import (3), the outer surface size of stop collar (4) and the inner wall size phase-match of pipe valve import (3), and the inner wall size of stop collar (4) and the external diameter size phase-match of first sealed cover piece (5).
6. The bellows valve of claim 1, wherein: fixed block (13) are fixed to be set up and are close to one side inner wall of bellows valve (1) in pipe valve import (3), the diameter size of fixed block (13) and the inner wall diameter size phase-match of pipe valve import (3), through-hole (14) have been seted up on the surface of fixed block (13), through-hole (14) run through the lateral wall of fixed block (13), the multiunit has been seted up in through-hole (14), multiunit through-hole (14) are the even symmetric distribution of circumference state, and fixed block (13) are close to one side lateral wall central symmetry position fixedly connected with of spacing lantern ring (4) and let sleeve (15), let sleeve (15) be hollow cylindrical structure, let sleeve (15) inside peg graft have connecting rod (12) to keep away from the one end tip of second seal nested piece (6).
7. The bellows valve of claim 6, wherein: the end part size of connecting rod (12) and the inner wall size phase-match of sleeve (15) of stepping down, the inside of sleeve (15) of stepping down is provided with reset spring (18), and reset spring (18) are fixed to be set up and are being kept away from between the end part of second sealed cover block (6) in the inner wall of sleeve (15) of stepping down and connecting rod (12), and connecting rod (12) are pegged graft in the inside of sleeve (15) of stepping down through reset spring (18) elasticity.
8. The bellows valve of claim 7, wherein: the inner wall surface of the abdicating sleeve (15) is provided with sliding grooves (16), the sliding grooves (16) are provided with two groups, the two groups of sliding grooves (16) are symmetrically distributed by taking the abdicating sleeve (15) as the center, sliding blocks (17) are arranged in the two groups of sliding grooves (16) in a sliding mode, the size of each sliding block (17) is matched with the corresponding sliding groove (16), the sliding blocks (17) are fixedly arranged on the outer surface of the connecting rod (12), and the two groups of sliding blocks (17) are symmetrically distributed by taking the connecting rod (12) as the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221729282.5U CN218468329U (en) | 2022-07-04 | 2022-07-04 | Bellows valve for preventing countercurrent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221729282.5U CN218468329U (en) | 2022-07-04 | 2022-07-04 | Bellows valve for preventing countercurrent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218468329U true CN218468329U (en) | 2023-02-10 |
Family
ID=85135238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221729282.5U Active CN218468329U (en) | 2022-07-04 | 2022-07-04 | Bellows valve for preventing countercurrent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218468329U (en) |
-
2022
- 2022-07-04 CN CN202221729282.5U patent/CN218468329U/en active Active
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