CN215172455U - Cut-off valve - Google Patents
Cut-off valve Download PDFInfo
- Publication number
- CN215172455U CN215172455U CN202121305432.5U CN202121305432U CN215172455U CN 215172455 U CN215172455 U CN 215172455U CN 202121305432 U CN202121305432 U CN 202121305432U CN 215172455 U CN215172455 U CN 215172455U
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- Prior art keywords
- valve
- valve body
- valve rod
- rod
- plate
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- 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
Links
- 238000005192 partition Methods 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 230000008719 thickening Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 230000009286 beneficial effect Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a cut-off valve, which comprises a valve body, a valve core and a driving piece; the valve body is a vertically arranged cylinder body, n partition plates which are distributed at intervals up and down are horizontally arranged in the valve body, the valve body is divided into n +1 chambers by the n partition plates, a plurality of interfaces are arranged on the side wall of the valve body and correspond to the chambers one by one, each interface is communicated with the corresponding chamber, and a through hole which penetrates through the partition plate up and down is formed in the middle of each partition plate; the valve core comprises a valve rod and a plurality of valve blocks, the valve rod is vertically arranged in the valve body and penetrates through a plurality of through holes, a gap is formed between each partition plate and the valve rod, the upper end of the valve rod extends upwards to penetrate out of the valve body and is in sealed sliding connection with the upper end of the valve body, the valve blocks correspond to the partition plates one by one, and the valve blocks correspond to the upper parts or the lower parts of the partition plates and are all fixedly connected with the valve rod; the driving piece is installed in the upper end of valve body to be connected with the valve rod transmission, its simple structure, and the function is many.
Description
Technical Field
The utility model belongs to the valve field especially relates to a trip valve.
Background
The current pneumatic valve usually has an inlet and an outlet, and the function is single, and when a plurality of pipelines need to be merged or a single pipeline needs to be branched, a plurality of cut-off valves need to be arranged, so that the cost is high, and the control is complex.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a trip valve that simple structure, and the drive is convenient, can realize pipeline confluence or reposition of redundant personnel.
In order to achieve the above purpose, the technical solution of the present invention is as follows: a kind of trip valve, including valve block, valve core and driving part; the valve body is a vertically arranged cylinder, n partition plates which are vertically distributed at intervals are horizontally arranged in the valve body, n is a positive integer larger than 1, the valve body is divided into n +1 chambers by the n partition plates, a plurality of interfaces are arranged on the side wall of the valve body and correspond to the chambers one by one, each interface is communicated with the corresponding chamber, a through hole which penetrates through the partition plate up and down is formed in the middle of each partition plate, the through holes in the partition plates are aligned up and down, at least one interface is an inlet, and the rest interfaces are outlets;
the valve core comprises a valve rod and a plurality of valve blocks, the valve rod is vertically arranged in the valve body and penetrates through the through holes, a gap is formed between each partition plate and the valve rod, the upper end of the valve rod extends upwards to penetrate out of the valve body and is in sealed sliding connection with the upper end of the valve body, the valve blocks correspond to the partition plates one by one, and the valve blocks correspond to the upper part or the lower part of the partition plates and are fixedly connected with the valve rod;
the driving part is installed at the upper end of the valve body and is in transmission connection with the valve rod, and the driving part is used for driving the valve rod to move up and down so as to drive the valve block to plug or open the corresponding through hole in the partition plate.
The beneficial effects of the above technical scheme are that: thus, each chamber corresponds to one interface, at least one interface is used as an inlet, the rest interfaces are used as outlets and then used as shunt flows, or at least one interface is used as an outlet, the rest interfaces are used as inlets and then used as confluence flows, and then a plurality of through holes can be synchronously plugged or synchronously opened to realize the opening or plugging of the whole shut-off valve.
In the technical scheme, the valve block comprises a valve plate and a flexible pad, the valve plate is horizontally arranged in the valve body and close to and corresponding to the partition plate, the valve rod penetrates through and corresponds to the middle of the valve plate, and each valve plate is close to and corresponds to one side of the partition plate and is provided with the flexible pad.
The beneficial effects of the above technical scheme are that: the sealing performance of the valve plate when the corresponding through hole is blocked can be better by arranging the flexible pad.
In the technical scheme, the middle of the bottom wall in the valve body is convexly provided with the limiting block, the middle of the upper end of the limiting block is downwards concavely provided with the limiting hole, the limiting hole is aligned with the valve rod, the lower end of the valve rod protrudes out of the lower end of the valve plate at the lowermost layer, the lower end of the valve rod extends into the limiting hole and is in sliding contact with the limiting block, and the driving piece drives the valve rod to drive the lower end of the valve rod to move up and down in the limiting hole.
The beneficial effects of the above technical scheme are that: so make the upper end and the lower extreme of valve rod all carry on spacingly, avoid the valve rod to rock in the valve body and influence its upper end valve body upper end sliding connection's of upper end sealing performance to prolong its life.
In the technical scheme, the middle part of the top wall of the valve body is provided with the thickening block, and the valve rod penetrates through the thickening block and is in sealing sliding connection with the thickening block.
The beneficial effects of the above technical scheme are that: therefore, the sealing performance between the upper end of the valve rod and the valve body can be further improved.
In the technical scheme, the thickening block and the valve body are integrally formed.
The beneficial effects of the above technical scheme are that: the structure is simple.
In the technical scheme, the driving part is a telescopic cylinder and is installed at the upper end of the valve body through the supporting seat, the telescopic end of the driving part faces downwards and is in transmission connection with the upper end of the valve rod, and the telescopic end of the driving part stretches to drive the valve rod to move up and down.
The beneficial effects of the above technical scheme are that: its simple structure, and flexible swift to make this trip valve open or the shutoff is all comparatively swift.
Drawings
Fig. 1 is a schematic view of a structure of a shut valve according to an embodiment of the present invention.
In the figure: the valve comprises a valve body 1, a partition plate 11, a 111 through hole, a 12 interface, a 13 limiting block, a 131 limiting hole, a 14 thickening block, a 2 valve core, a 21 valve rod, a 22 valve block, a 221 valve plate, a 222 flexible pad, a 3 driving piece and a 31 supporting seat.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1, the present embodiment provides a shut-off valve, which includes a valve body 1, a valve spool 2 and a driver 3; the valve body 1 is a vertically arranged cylinder, n partition plates 11 which are vertically distributed at intervals are horizontally arranged in the valve body 1, n is a positive integer larger than 1, the valve body is divided into n +1 chambers by the n partition plates 11, a plurality of ports 12 are arranged on the side wall of the valve body 1, the plurality of ports 12 correspond to the plurality of chambers one by one, each port 12 is communicated with the corresponding chamber, a through hole 111 which penetrates through the partition plate 11 from top to bottom is arranged in the middle of each partition plate 11, the through holes 111 in the partition plates 11 are aligned up and down, at least one port 12 is an inlet, and the rest ports 12 are outlets;
the valve core 2 comprises a valve rod 21 and a plurality of valve blocks 22, the valve rod 21 is vertically arranged in the valve body 1 and penetrates through the through holes 111, a gap is formed between each partition plate 11 and the valve rod 21, the upper end of the valve rod 21 extends upwards to penetrate out of the valve body 1 and is in sealed sliding connection with the upper end of the valve body 1, the valve blocks 22 correspond to the partition plates 11 one by one, and the valve blocks 22 correspond to the upper part or the lower part of the partition plate 11 and are fixedly connected with the valve rod 21;
the driving member 3 is mounted at the upper end of the valve body 1 and is in transmission connection with the valve rod 21, the driving member 3 is used for driving the valve rod 21 to move up and down to drive the valve block 22 to plug or open the through hole 111 on the corresponding partition plate 11, so that each chamber corresponds to one interface, at least one interface is used as an inlet, the rest interfaces are used as outlets at the moment, or at least one interface is used as an outlet, the rest interfaces are used as inlets at the moment, and the rest interfaces are used as confluence, and then a plurality of through holes can be synchronously plugged or synchronously opened to realize the opening or plugging of the whole shut-off valve.
In the above technical solution, the valve block 22 includes a valve plate 221 and a flexible pad 222, the valve plate 221 is horizontally disposed in the valve body 1 and is close to the corresponding partition 11, the valve rod 21 penetrates through the middle portion of the corresponding valve plate 221, one side of the valve plate 221 close to the corresponding partition 11 is provided with the flexible pad 222, and the flexible pad is disposed to enable the valve plate to have better sealing performance when the corresponding through hole is sealed. The through hole is preferably a round hole, the valve plate is a circular plate, the valve plate and the round hole are coaxially distributed, the diameter of the valve plate is larger than that of the through hole, the flexible pad is preferably a silica gel pad or a rubber pad which is circular, the flexible pad is coaxially arranged on one side, close to the corresponding partition plate, of the valve plate, and further preferably, the outer diameter and the inner diameter of the flexible pad are both between the diameter of the valve plate and the diameter of the through hole.
In the technical scheme, the middle of the inner bottom wall of the valve body 1 is convexly provided with the limiting block 13, the middle of the upper end of the limiting block 13 is provided with the limiting hole 131 which is downwards concave, the limiting hole 131 is aligned with the valve rod 21, the lower end of the valve rod 21 protrudes out of the lower end of the valve plate 221 at the lowest layer, the lower end of the valve rod 21 extends into the limiting hole 131 and is in sliding contact with the limiting block 13, the driving piece 3 drives the valve rod 21 to drive the lower end of the valve rod 21 to move up and down in the limiting hole 131, so that the upper end and the lower end of the valve rod are both limited, the valve rod is prevented from shaking in the valve body to influence the sealing performance of the sliding connection part at the upper end of the valve body, the service life of the valve rod is prolonged, and the lower end of the valve rod cannot slide out of the limiting hole all the time when the valve rod slides up and down.
In the technical scheme, the thickening block 14 is arranged in the middle of the top wall of the valve body 1, and the valve rod 21 penetrates through the thickening block 14 and is in sealing sliding connection with the thickening block, so that the sealing performance between the upper end of the valve rod and the valve body can be further improved. Wherein, the sliding contact department of the upper end of the valve body and the valve rod can be embedded with a plurality of sealing rings for sealing treatment, which belongs to the prior art and is not described herein.
In the above technical scheme, the thickening block 14 and the valve body 1 are integrally formed, and the structure is simple.
In the above technical scheme driving piece 3 is telescopic cylinder, driving piece 3 passes through supporting seat 31 to be installed the upper end of valve body 1, and its flexible end is down, and with the upper end transmission of valve rod 21 is connected, the flexible end of driving piece 3 is flexible in order to drive valve rod 21 reciprocates, its simple structure, and flexible swift to it is all comparatively swift to make this trip valve open or the shutoff.
Preferably, the support seat is an "n" shaped member, wherein the support seat is mounted at the upper end of the valve body, the driving member is mounted at the upper end of the support seat, the telescopic end of the driving member faces downwards and penetrates through the support seat, and the upper end of the valve rod is connected (preferably, fixed or integrally formed).
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. The shut-off valve is characterized by comprising a valve body (1), a valve core (2) and a driving piece (3);
the valve body (1) is a vertically arranged cylinder, n partition plates (11) which are vertically distributed at intervals are horizontally arranged in the valve body (1), n is a positive integer larger than 1, the valve body is divided into n +1 chambers by the n partition plates (11), a plurality of interfaces (12) are arranged on the side wall of the valve body (1), the plurality of interfaces (12) correspond to the plurality of chambers one by one, each interface (12) is communicated with the corresponding chamber respectively, a through hole (111) which penetrates through the partition plate (11) up and down is arranged in the middle of each partition plate (11), the through holes (111) in the partition plates (11) are aligned up and down, at least one interface (12) is an inlet, and the rest interfaces (12) are outlets;
the valve core (2) comprises a valve rod (21) and a plurality of valve blocks (22), the valve rod (21) is vertically arranged in the valve body (1) and penetrates through the through holes (111), a gap is formed between each partition plate (11) and the valve rod (21), the upper end of the valve rod (21) upwards extends to penetrate out of the valve body (1) and is in sealed sliding connection with the upper end of the valve body (1), the valve blocks (22) correspond to the partition plates (11) one by one, and the valve blocks (22) correspond to the upper portion or the lower portion of the partition plate (11) and are fixedly connected with the valve rod (21);
the driving piece (3) is installed at the upper end of the valve body (1) and is in transmission connection with the valve rod (21), and the driving piece (3) is used for driving the valve rod (21) to move up and down so as to drive the valve block (22) to plug or open the corresponding through hole (111) in the partition plate (11).
2. The shut-off valve according to claim 1, wherein the valve block (22) comprises a valve plate (221) and a flexible pad (222), the valve plate (221) is horizontally arranged in the valve body (1) and close to the corresponding partition (11), the valve rod (21) penetrates through the middle of the corresponding valve plate (221), and one side of each valve plate (221) close to the corresponding partition (11) is provided with the flexible pad (222).
3. The cutoff valve according to claim 2, wherein a limit block (13) is convexly arranged at the middle part of the inner bottom wall of the valve body (1), a limit hole (131) is concavely arranged at the middle part of the upper end of the limit block (13), the limit hole (131) is aligned with the valve rod (21), the lower end of the valve rod (21) protrudes out of the lower end of the valve plate (221) at the lowest layer, the lower end of the valve rod (21) extends into the limit hole (131) and is in sliding contact with the limit block (13), and the driving piece (3) drives the valve rod (21) to drive the lower end of the valve rod (21) to move up and down in the limit hole (131).
4. A shut-off valve according to claim 3, characterised in that a thickening block (14) is provided in the middle of the top wall of the valve body (1), and the valve stem (21) extends through the thickening block (14) and is in sealing sliding connection therewith.
5. A shut-off valve according to claim 4, characterised in that the thickening block (14) is integrally formed with the valve body (1).
6. The shut-off valve according to any one of claims 1 to 5, wherein the driving member (3) is a telescopic cylinder, the driving member (3) is mounted at the upper end of the valve body (1) through a support seat (31), the telescopic end of the driving member faces downwards and is in transmission connection with the upper end of the valve rod (21), and the telescopic end of the driving member (3) is telescopic to drive the valve rod (21) to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305432.5U CN215172455U (en) | 2021-06-11 | 2021-06-11 | Cut-off valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121305432.5U CN215172455U (en) | 2021-06-11 | 2021-06-11 | Cut-off valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172455U true CN215172455U (en) | 2021-12-14 |
Family
ID=79389715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121305432.5U Expired - Fee Related CN215172455U (en) | 2021-06-11 | 2021-06-11 | Cut-off valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172455U (en) |
-
2021
- 2021-06-11 CN CN202121305432.5U patent/CN215172455U/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: 20211214 |