CN220930213U - Manual bellows valve - Google Patents
Manual bellows valve Download PDFInfo
- Publication number
- CN220930213U CN220930213U CN202322639416.5U CN202322639416U CN220930213U CN 220930213 U CN220930213 U CN 220930213U CN 202322639416 U CN202322639416 U CN 202322639416U CN 220930213 U CN220930213 U CN 220930213U
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- Prior art keywords
- valve
- valve rod
- screw
- hand wheel
- rod
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- 238000007789 sealing Methods 0.000 claims abstract description 45
- 238000007906 compression Methods 0.000 claims abstract description 8
- 230000006835 compression Effects 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 238000001125 extrusion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Details Of Valves (AREA)
Abstract
The utility model discloses a manual corrugated pipe valve, which comprises a valve body, wherein the left end of the valve body is provided with an air inlet section, the right end of the valve body is provided with an air outlet section, a valve cavity communicated with the air inlet section and the air outlet section is arranged in the valve body, the top end of the valve body is fixedly connected with a valve cover by a compression ring in a matching way through a screw, and a hand wheel is rotatably arranged on the valve cover; a valve rod is arranged in the hand wheel through a screw, and one end of the valve rod, which is far away from the hand wheel, extends into the valve cover and is in threaded connection with the inner wall of the valve cover; the bottom of the valve rod is connected with a corrugated pipe valve rod through the connecting sleeve, one end of the corrugated pipe valve rod, which is far away from the connecting sleeve, extends into the valve cavity, and the flow of the air inlet end of the valve cavity is regulated through a sealing piece arranged at the bottom of the corrugated pipe valve rod. The beneficial effects are that: the number of the valve cages and the size of the air outlet holes can be adjusted in the rotating process of the hand wheel handle through the valve cages arranged on the side surfaces of the valve clack screws, so that the adjustment and throttling effects of the air flow are realized; the valve clack sealing piece can fill the sealing groove under extrusion, so that the tightness is improved.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to a manual bellows valve.
Background
The corrugated pipe valve is commonly used on gate valves and stop valves, the opening and closing piece of the corrugated pipe valve is a plug-shaped valve clack, the sealing surface is a plane or a conical surface, and the corrugated pipe valve is mostly suitable for full opening and full closing and cannot be regulated and throttled. In addition, the bellows valve is poor in sealing property, and is liable to leak during operation, thereby causing dangerous accidents.
Disclosure of utility model
The utility model aims to provide a manual corrugated pipe valve, which is characterized in that a plurality of valve cages are arranged on the side surfaces of valve clack screws, and a hand wheel handle can adjust the number of the valve cages and the size of an air outlet hole through a corrugated pipe valve rod in the rotating process, so that the adjustment of the air flow is realized; the valve clack sealing piece can be extruded and filled into the sealing groove under the extrusion of the corrugated pipe valve rod, so that the tightness is improved.
The technical scheme of the utility model is realized as follows:
The manual bellows valve comprises a valve body, wherein an air inlet section is arranged at the left end of the valve body, an air outlet section is arranged at the right end of the valve body, a valve cavity communicated with the air inlet section and the air outlet section is arranged in the valve body, a valve cover is fixedly connected to the top end of the valve body through a compression ring in a matched manner by screws, and a hand wheel is rotatably arranged on the valve cover;
A valve rod is arranged in the hand wheel through a screw, and one end of the valve rod, which is far away from the hand wheel, extends into the valve cover and is in threaded connection with the inner wall of the valve cover; the bottom of valve rod is connected with the bellows valve rod through the adapter sleeve, the one end that the bellows valve rod kept away from the adapter sleeve extends to in the valve pocket to carry out flow control to the inlet end of valve pocket through the sealing member of installing in bellows valve rod bottom.
Further, the seal comprises a valve flap seal and a valve flap screw;
The valve clack sealing piece is embedded in a sealing groove formed in the bottom end of the corrugated pipe valve rod and is fixed to the bottom of the corrugated pipe valve rod through a valve clack screw, and the valve clack screw can seal the air inlet end of the valve cavity.
Further, the valve clack screw is characterized in that a plurality of valve cages are arranged on the side face of the valve clack screw.
Furthermore, a plurality of caulking grooves are formed in the inner wall of the sealing groove along the height direction of the sealing groove.
Further, a steel ball is arranged between the valve rod and the corrugated pipe valve rod, and a valve clack insert matched with the steel ball is arranged on the corrugated pipe valve rod.
Further, the bellows valve further comprises a leak detection hole communicated with the inside of the valve cover, and the leak detection hole is locked with a leak detection Kong Pingdian through a screw.
The beneficial effects of the utility model are as follows: the hand wheel handle is rotated to drive the valve rod to rotate anticlockwise or clockwise through the hand wheel, so that the valve rod moves upwards or downwards along the inner cavity of the valve cover, and the corrugated pipe valve rod moves upwards or downwards synchronously, so that the separation or closure of the sealing piece at the bottom end of the corrugated pipe valve rod and the air inlet end of the valve cavity is realized, and the circulation and the cut-off of gas are controlled. Wherein, a plurality of valve cages have been seted up to valve clack screw side, when rotating the hand wheel and making valve rod and bellows valve rod rotate and synchronous upward motion through the hand wheel handle, can be at the number of pivoted in-process adjusting valve cage and the size of apopore, and then can realize the regulation of gas flow through the valve cage of seting up on the valve clack screw, and the throttle effect.
In addition, in order to ensure the sealing fit between the valve clack sealing element and the sealing groove at the bottom end of the corrugated pipe valve rod, a plurality of caulking grooves are formed in the inner wall of the sealing groove along the height direction of the sealing groove. When the hand wheel handle is rotated to enable the valve rod and the corrugated pipe valve rod to rotate and synchronously move downwards, the air inlet end of the valve cavity is in compression fit with the valve clack sealing element, the valve clack sealing element is subjected to extrusion deformation in the compression process, the extruded valve clack sealing element can be filled into the caulking groove, the valve clack sealing element and the sealing groove are subjected to multi-point sealing, and the sealing effect is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a manual bellows valve;
Fig. 2 is an enlarged view at a in fig. 1.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-2, the manual bellows valve according to the embodiment of the utility model comprises a valve body 1, wherein an air inlet section 2 is arranged at the left end of the valve body 1, an air outlet section 3 is arranged at the right end of the valve body 1, a valve cavity 4 communicated with the air inlet section 2 and the air outlet section 3 is arranged in the valve body 1, and air enters the valve cavity 4 through the air inlet section 2 and then flows out of the air outlet section 3.
The top end of the valve body 1 is matched with the compression ring and fixedly connected with a valve cover 5 through a screw, a hand wheel 6 is rotatably arranged on the valve cover 5, and a hand wheel handle 7 capable of driving the hand wheel 6 to rotate is arranged on the hand wheel 6. A valve rod 8 is arranged in the hand wheel 6 through a screw, and one end of the valve rod 8, which is far away from the hand wheel 6, extends into the valve cover 5 and is in threaded connection with the inner wall of the valve cover 5; the bottom end of the valve rod 8 is connected with a bellows valve rod 10 through a connecting sleeve 9, one end of the bellows valve rod 10 away from the connecting sleeve 9 extends into the valve cavity 4, and the flow of the air inlet end of the valve cavity 4 is regulated through a sealing element 11 arranged at the bottom end of the bellows valve rod 10.
When the valve is in operation, the hand wheel handle 7 is rotated to drive the valve rod 8 to rotate anticlockwise through the hand wheel 6, so that the valve rod 8 moves upwards along the inner cavity of the valve cover 5, and then the corrugated pipe valve rod 10 moves upwards together, the sealing piece 11 at the bottom end of the corrugated pipe valve rod 10 is separated from the air inlet end of the valve cavity 4, and air can enter the valve cavity 4 through the air inlet section 2 and flows out through the air outlet section 3, so that air circulation is realized.
When the valve body 1 needs to be closed, the hand wheel handle 7 is rotated to drive the valve rod 8 to rotate clockwise through the hand wheel 6, so that the valve rod 8 moves downwards along the inner cavity of the valve cover 5, and further the bellows valve rod 10 moves downwards together, and the sealing piece 11 at the bottom end of the bellows valve rod 10 is in sealing fit with the air inlet end of the valve cavity 4, so that the stop of air is realized.
In the embodiment of the utility model, the O-shaped ring 17 matched with the valve rod 8 is arranged on the inner wall of the valve cover 5, so that the gas in the valve cavity 4 can be prevented from leaking into the cavity of the valve cover 5 and escaping to the outside.
In addition, a steel ball 15 is arranged between the valve rod 8 and the corrugated pipe valve rod 10, and a valve clack insert 16 matched with the steel ball 15 is arranged on the corrugated pipe valve rod 10.
In order to enable the sealing element 11 to move upwards together with the corrugated pipe valve rod 10 and play a role in regulating and throttling gas, the sealing element 11 comprises a valve clack sealing element 11a and a valve clack screw 11b, wherein the valve clack sealing element 11a is embedded in a sealing groove formed in the bottom end of the corrugated pipe valve rod 10 and is fixed to the bottom of the corrugated pipe valve rod 10 through the valve clack screw 11b, and the valve clack screw 11b can seal the air inlet end of the valve cavity 4.
Specifically, a plurality of valve cages 11c are arranged on the side surface of the valve clack screw 11b, and when the hand wheel 6 is rotated through the hand wheel handle 7 to enable the valve rod 8 and the corrugated pipe valve rod 10 to rotate and synchronously move upwards, the number of the valve cages 11c and the size of the air outlet holes can be adjusted in the rotating process, and then the adjustment of the air flow and the throttling effect can be realized through the valve cages 11c arranged on the valve clack screw 11 b.
In one embodiment of the present utility model, in order to ensure a sealing engagement of the flap seal 11a with the seal groove at the bottom end of the bellows valve stem 10, a plurality of caulking grooves 12 are formed in the inner wall of the seal groove in the height direction thereof. When the hand wheel handle 7 rotates the hand wheel 6 to enable the valve rod 8 and the corrugated pipe valve rod 10 to rotate and synchronously move downwards, the air inlet end of the valve cavity 4 and the valve clack sealing element 11a are in compression fit, the valve clack sealing element 11a is subjected to extrusion deformation in the compression process, the extruded valve clack sealing element 11a can be filled into the caulking groove 12, the valve clack sealing element 11a and the sealing groove are subjected to multipoint sealing, and the sealing effect is improved.
The flap seal 11a is made of polytetrafluoroethylene material.
In one embodiment, in order to prevent leakage of the valve body 1 during operation, dangerous accidents occur. The side surface of the valve cover 5 is provided with a leak detection hole 13 communicated with the inside of the valve cover, the leak detection hole 13 is locked with a leak detection Kong Pingdian and 14 through a screw, and the leak detection hole 14 can detect the tightness of the inside of the valve body 1.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The manual bellows valve is characterized by comprising a valve body, wherein an air inlet section is arranged at the left end of the valve body, an air outlet section is arranged at the right end of the valve body, a valve cavity communicated with the air inlet section and the air outlet section is arranged in the valve body, a valve cover is fixedly connected to the top end of the valve body through a matched compression ring in a screw manner, and a hand wheel is rotatably arranged on the valve cover;
A valve rod is arranged in the hand wheel through a screw, and one end of the valve rod, which is far away from the hand wheel, extends into the valve cover and is in threaded connection with the inner wall of the valve cover; the bottom of valve rod is connected with the bellows valve rod through the adapter sleeve, the one end that the bellows valve rod kept away from the adapter sleeve extends to in the valve pocket to carry out flow control to the inlet end of valve pocket through the sealing member of installing in bellows valve rod bottom.
2. The manual bellows valve of claim 1 wherein the seal includes a flap seal and a flap screw;
The valve clack sealing piece is embedded in a sealing groove formed in the bottom end of the corrugated pipe valve rod and is fixed to the bottom of the corrugated pipe valve rod through a valve clack screw, and the valve clack screw can seal the air inlet end of the valve cavity.
3. The manual bellows valve of claim 2 wherein the clack screw is flanked by a plurality of cages.
4. The manual bellows valve of claim 2 wherein the seal groove inner wall defines a plurality of groves along its height.
5. A manual bellows valve as claimed in claim 1 or 2 or 3 or 4 wherein a steel ball is provided between the valve stem and the bellows valve stem, and a clack insert is provided on the bellows valve stem to cooperate with the steel ball.
6. The manual bellows valve of claim 1 further comprising a leak-off hole in the side of the valve cap in communication with the interior thereof, the leak-off hole having a leak-off Kong Pingdian attached thereto by a screw lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322639416.5U CN220930213U (en) | 2023-09-27 | 2023-09-27 | Manual bellows valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322639416.5U CN220930213U (en) | 2023-09-27 | 2023-09-27 | Manual bellows valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220930213U true CN220930213U (en) | 2024-05-10 |
Family
ID=90932279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322639416.5U Active CN220930213U (en) | 2023-09-27 | 2023-09-27 | Manual bellows valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220930213U (en) |
-
2023
- 2023-09-27 CN CN202322639416.5U patent/CN220930213U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |