CN210290865U - Sea wave valve - Google Patents
Sea wave valve Download PDFInfo
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- CN210290865U CN210290865U CN201921126875.0U CN201921126875U CN210290865U CN 210290865 U CN210290865 U CN 210290865U CN 201921126875 U CN201921126875 U CN 201921126875U CN 210290865 U CN210290865 U CN 210290865U
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- valve
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- clack
- seat
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Abstract
The utility model relates to a sea wave valve, which comprises a valve body, a valve seat, a valve clack and a valve cover, wherein the valve clack and the valve seat are provided with mutually matched sealing surfaces, an oblique angle is formed between the sealing surface of the valve seat and the central line of a valve body channel, and the back surface of the valve clack is arranged in an inner cavity of the valve body through a rocker arm; the stop device is characterized in that a stop device is arranged between the valve cover and the valve clack, the stop device comprises a valve rod, a hand wheel and a pressing block, the valve rod is in threaded connection with a mounting nut on the upper end face of the valve cover, the hand wheel is fixedly mounted at the upper end of the valve rod, sealing filler is arranged between the valve rod and the mounting nut, the central line of the valve rod is perpendicular to the central line of a valve body channel, and the pressing block is fixedly connected to the valve. Can cut off under emergency and close the pipeline, have the function of check valve and stop valve simultaneously, need not install in addition and cut off the valve, reduce the valve installation quantity on the pipeline, reduce erection equipment cost.
Description
Technical Field
The utility model belongs to the valve field especially relates to a swing check valve.
Background
The swing check valve is commonly used in a medium conveying pipeline to prevent media from flowing backwards and protect a safe one-way control valve of equipment, such as a ship water drain pipeline to prevent sea water from flowing backwards caused by sea waves. The structure of the valve comprises a valve body, a valve seat, a valve clack and a valve cover, wherein the valve clack and the valve seat are provided with mutually matched sealing surfaces, the back surface of the valve clack is arranged in an inner cavity of the valve body through a rocker arm, a forward medium pushes the valve clack to rotate to open, and a reverse medium pushes the valve clack to close so as to prevent the medium from flowing backwards. However, the conventional check valve must be provided with a shut-off valve in the pipe, and the forward flow is shut off when the pipe is closed, thereby increasing the number of installation of the pipe valve and the cost of installation equipment.
Disclosure of Invention
The utility model discloses to the shortcoming that prior art exists, provide a wave valve of reducible pipeline valve door quantity, reduction erection equipment cost.
The technical scheme of the utility model comprises a valve body, a valve seat, a valve clack and a valve cover, wherein the valve clack and the valve seat are provided with mutually matched sealing surfaces, an oblique angle is formed between the sealing surface of the valve seat and the central line of a valve body channel, and the back surface of the valve clack is arranged in an inner cavity of the valve body through a rocker arm; the stop device is characterized in that a stop device is arranged between the valve cover and the valve clack, the stop device comprises a valve rod, a hand wheel and a pressing block, the valve rod is in threaded connection with a mounting nut on the upper end face of the valve cover, the hand wheel is fixedly mounted at the upper end of the valve rod, sealing filler is arranged between the valve rod and the mounting nut, the central line of the valve rod is perpendicular to the central line of a valve body channel, the pressing block is fixedly connected to the valve clack right below the valve rod, a related valve limiting device is arranged between the valve rod and the mounting nut, and when the valve rod moves downwards to the position of.
Preferably, the valve rod is provided with a reverse sealing device which is matched with the lower plane of the valve cover, and the reverse sealing device is formed by matching a conical sealing seat on the valve rod with a conical sealing surface on the lower plane of the valve cover.
Preferably, the included angle between the plane of the sealing surface of the valve seat and the central line of the valve rod is 30 degrees, and the lower end of the sealing surface of the valve seat is positioned on the central line of the valve rod.
Preferably, a switch indicator is provided between the valve stem and the valve cover, the switch indicator comprising a display plate fixed to the upper surface of the valve cover and a pointer on the valve stem.
Compared with the prior art, the utility model beneficial effect be equipped with between valve gap and valve clack and cut the device, can cut closed pipeline under the emergency, have the function of check valve and stop valve simultaneously, need not install in addition and cut off the valve, reduced the valve installation quantity on the pipeline, reduce the erection equipment cost.
Drawings
Fig. 1 is a structural sectional view of the present invention.
In the figure: the valve comprises a valve body 1, a valve seat 2, a valve clack 3, a pressing block 4, a rocker arm 5, a valve cover 6, a valve rod 7, a conical sealing seat 8, a mounting nut 9, sealing filler 10 and a hand wheel 11.
Detailed Description
The sea wave valve shown in fig. 1 comprises a valve body 1, a valve seat 2, a valve clack 3 and a valve cover 6, wherein the valve clack 3 and the valve seat 2 are provided with mutually matched sealing surfaces, an oblique angle is formed between the sealing surface of the valve seat 2 and the central line of a channel of the valve body 1, and the back surface of the valve clack 3 is arranged in an inner cavity of the valve body 1 through a rocker arm 5; the device is characterized in that a cut-off device is arranged between a valve cover 6 and a valve clack 3, the cut-off device comprises a valve rod 7, a hand wheel 11 and a pressing block 4, the valve rod 7 is in threaded connection with a mounting nut 9 on the upper end surface of the valve cover 6, the lower end of the mounting nut 9 is fixed by a screw or welded on the valve cover 6, the hand wheel 11 is fixedly arranged at the upper end of the valve rod 7, a sealing filler 10 is arranged between the valve rod 7 and the mounting nut 9, the central line of the valve rod 7 is vertical to the central line of a channel of a valve body 1, the pressing block 4 is fixedly connected to the back surface of the valve clack 3 right below the valve rod 7, when the valve rod 7 is lifted to an open position, the valve clack 3 is pushed by medium pressure to be opened and closed freely, a related valve limiting device is arranged between the valve rod 7 and the mounting nut 9, when, cut off the fixed fluid circulation, have the function of stop valve.
The valve rod 7 positioned in the valve cavity is provided with a reverse sealing device which is matched with the lower plane of the valve cover 6, and the reverse sealing device is formed by matching a conical sealing seat 8 on the valve rod 7 with a conical sealing surface on the lower plane of the valve cover. When the valve rod 7 rises to a high position, the conical sealing seat 8 and the conical sealing surface of the lower plane of the valve cover are pressed tightly to seal, and the sealing of the middle cavity is increased.
An included angle of 30 degrees is formed between the plane of the sealing surface of the valve seat 2 and the central line of the valve rod 7, the lower end of the sealing surface of the valve seat 2 is positioned on the central line of the valve rod 7, and a large sealing force is generated on a sealing by-product when the valve rod 7 moves downwards.
And a switch indicating device is arranged between the valve rod 7 and the valve cover 6 and consists of an indicating plate fixed on the upper plane of the valve cover 6 and an indicating needle on the valve rod 7. The sign marks open valve sign and close valve sign, and pointer upper end movable mounting is in the ring channel of valve rod 7 outer circumference, and to pointer axial spacing, the pointer lower extreme passes the spacing hole of sign upper end, and this spacing hole restriction pointer is followed valve rod 7 and is rotated.
Claims (5)
1. A sea wave valve comprises a valve body (1), a valve seat (2), a valve clack (3) and a valve cover (6), wherein the valve clack (3) and the valve seat (2) are provided with mutually matched sealing surfaces, an oblique angle is formed between the sealing surface of the valve seat (2) and the central line of a channel of the valve body (1), and the back surface of the valve clack (3) is installed in the inner cavity of the valve body (1) through a rocker arm (5); the novel valve is characterized in that a cut-off device is arranged between the valve cover (6) and the valve clack (3), the cut-off device comprises a valve rod (7), a hand wheel (11) and a pressing block (4), the valve rod (7) is in threaded connection with a mounting nut (9) on the upper end face of the valve cover (6), the hand wheel (11) is fixedly mounted at the upper end of the valve rod (7), a sealing filler (10) is arranged between the valve rod (7) and the mounting nut (9), the central line of the valve rod (7) is perpendicular to the central line of a channel of the valve body (1), the pressing block (4) is fixedly connected to the back face of the valve clack (3) under the valve rod (7), a related valve limiting device is arranged between the valve rod (7) and the mounting nut (9), and when the valve rod (7) moves downwards.
2. An ocean wave valve according to claim 1 wherein the valve stem (7) located within the valve chamber is provided with a back-sealing means which cooperates with the lower planar surface of the valve cover (6) and which is formed by a tapered sealing seat (8) on the valve stem (7) cooperating with a tapered sealing surface on the lower planar surface of the valve cover (6).
3. An ocean wave valve according to claim 1 or 2, characterized in that the plane of the sealing surface of the valve seat (2) forms an angle of 30 ° with the centre line of the valve stem (7), the lower end of the sealing surface of the valve seat (2) being located on the centre line of the valve stem (7).
4. An ocean wave valve according to claim 1 or 2, characterized in that an on-off indicating device is arranged between the valve rod (7) and the valve cover (6), and the on-off indicating device consists of an indicating plate fixed on the upper plane of the valve cover (6) and a pointer on the valve rod (7).
5. A sea wave valve as set forth in claim 3 wherein an on/off indicating device is provided between the valve stem (7) and the valve cover (6), the on/off indicating device comprising a sign affixed to the upper surface of the valve cover (6) and a pointer on the valve stem (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921126875.0U CN210290865U (en) | 2019-07-18 | 2019-07-18 | Sea wave valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921126875.0U CN210290865U (en) | 2019-07-18 | 2019-07-18 | Sea wave valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210290865U true CN210290865U (en) | 2020-04-10 |
Family
ID=70103218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921126875.0U Active CN210290865U (en) | 2019-07-18 | 2019-07-18 | Sea wave valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210290865U (en) |
-
2019
- 2019-07-18 CN CN201921126875.0U patent/CN210290865U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 325102 Dongou Industrial Zone, Oubei street, Yongjia County, Wenzhou, Zhejiang Patentee after: Zhejiang bertley Technology Co.,Ltd. Address before: 325102 Dongou Industrial Zone, Oubei street, Yongjia County, Wenzhou, Zhejiang Patentee before: ZHEJIANG BOTELI VALVE Group |
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| CP01 | Change in the name or title of a patent holder |