CN210800072U - Flange type stop valve with sealing ring gasket on flange surface - Google Patents
Flange type stop valve with sealing ring gasket on flange surface Download PDFInfo
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- CN210800072U CN210800072U CN201921079198.1U CN201921079198U CN210800072U CN 210800072 U CN210800072 U CN 210800072U CN 201921079198 U CN201921079198 U CN 201921079198U CN 210800072 U CN210800072 U CN 210800072U
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Abstract
The utility model relates to a flange stop valve with a sealing gasket on the flange surface, which comprises a valve body, a valve clack cover and a valve rod; the valve body is in a three-way shape and comprises a left channel, a right channel and a vertical channel which are communicated with each other; the right end of the left channel is communicated with the bottom of the vertical channel; the right channel is communicated with the right side of the vertical channel; a valve clack is arranged in the vertical passage; the top of the vertical channel is provided with a valve cover, the valve cover is used for covering the top of the vertical channel, and the valve cover is connected with the valve body; the valve cover is provided with a through hole for installing the valve rod; the valve rod nut is arranged on the valve cover and is fixedly connected with the valve cover; the valve rod sequentially passes through the valve rod nut and the through hole on the valve cover to be connected with the valve clack; the valve rod is provided with an external thread; the valve rod is rotated to drive the valve clack to ascend and descend in the vertical channel to realize the connection and the closing of the stop valve; the surfaces of the left side and the right side of the stop valve are flange surfaces, and sealing ring gaskets are arranged on the flange surfaces. Stop valve leakproofness is good, simple to operate.
Description
Technical Field
The utility model relates to a valve field, more specifically relates to a flange formula stop valve that there is sealing washer to flange face.
Background
The stop valve is widely used on pipelines in petroleum refining, metallurgy, chemical industry, electric power industry, city and other industries, is used for controlling the circulation, cut-off or regulation of pipeline media, and is one of the most widely applied valves in various fluid conveying projects. The flange face of the existing flange connection stop valve is not provided with a sealing ring pad, a rubber sealing ring pad is added between the existing flange connection stop valve and other valves or flange plates when the existing flange connection stop valve is connected and installed with the other valves or the flange plates, and leakage occurs due to the fact that the rubber sealing ring pad is difficult to fix and is easy to install, and installation is inconvenient and low in efficiency. In order to solve the technical problem, an object of the utility model is to provide a flange formula stop valve that flange face has sealing washer to fill up need not increase the rubber seal pad when being connected the installation with other valves or ring flange, the lug connection installation, convenient and fast, sealed effectual flange formula stop valve.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned prior art current flange joint stop valve flange face on do not have the sealing washer to fill up, will increase the rubber seal pad between the two when will be connected the installation with other valves or ring flange, because of the rubber seal pad position is difficult to fix and makes the defect that the stop valve installation is not square, the installation effectiveness is low, provide a flange formula stop valve that flange face has the sealing washer to fill up.
The stop valve comprises a valve body, a valve clack cover and a valve rod;
the valve body is in a three-way shape and is communicated with the inside; comprises a left channel, a right channel and a vertical channel which are communicated with each other;
the right-to-left configuration of the left channel is: the right end port of the left channel faces upwards, the channel extends downwards from the right end port, turns towards the left and then rises upwards while turning towards the left, so that the highest position of the outlet at the leftmost end of the left channel is higher than the end part of the right end;
the right channel is a channel which is obliquely downwards from left to right;
the right end of the left channel is communicated with the bottom of the vertical channel; the right channel is communicated with the right side of the vertical channel;
a valve clack is arranged in the vertical passage;
the top of the vertical channel is provided with a valve cover, the valve cover is used for covering the top of the vertical channel, and the valve cover is connected with the valve body; the valve cover is provided with a first through hole for installing the valve rod;
the valve rod nut is arranged on the valve cover and is fixedly connected with the valve cover;
the valve rod sequentially passes through the valve rod nut and the through hole on the valve cover to be connected with the valve clack; the valve rod is provided with an external thread matched with the valve rod nut; the valve rod is rotated to drive the valve clack to ascend and descend in the vertical channel so as to realize the connection and the closing of the stop valve;
the surfaces of the left side and the right side of the stop valve are flange surfaces, and sealing ring gaskets are arranged on the flange surfaces.
Preferably, the sealing gasket is lined on the flange surface, and the sealing gasket is not easy to fall off after being lined on the flange surface.
Preferably, the sealing washer pad be rubber sealing washer pad, rubber sealing washer pad leakproofness is good, long service life.
Preferably, the stop valve further comprises a first stud and a first nut; the first stud is arranged at the top end of the valve body, a second through hole is formed in the position, corresponding to the first stud, of the valve cover, the first stud penetrates through the second through hole to be connected with the first nut, and the valve cover and the valve body are connected by screwing the first nut.
The valve cover is connected with the valve body through the matching of the stud and the nut, so that the disassembly and the assembly are convenient, and meanwhile, the replacement and the maintenance of internal parts of the stop valve are also convenient.
Preferably, the stop valve is also provided with a filler and a filler pressing sleeve; the diameter of the lower part of the first through hole is equal to that of the valve rod, the diameter of the upper part of the first through hole is larger than that of the lower part of the first through hole, and the filler is arranged on the upper part of the first through hole, is arranged between the valve body and the valve rod and is pressed tightly through a filler pressing sleeve sleeved on the valve rod; the valve rod nut is fixed on the packing pressing sleeve.
The sealing performance of the stop valve is improved by additionally arranging the filler and then compressing the filler by the filler pressing sleeve.
Preferably, the shut-off valve further comprises a second stud and a second nut; the second stud is arranged on the valve cover, a third through hole is formed in the position, corresponding to the second stud, of the packing pressing sleeve, the second stud penetrates through the third through hole to be connected with the second nut, and the second nut is screwed up to enable the packing pressing sleeve to tightly press the packing.
Preferably, the stop valve is also provided with a hand wheel; the middle part of the hand wheel is fixedly connected with the top of the valve rod; the stop valve is convenient to be connected and closed by additionally arranging the hand wheel.
Preferably, the stop valve is further provided with a third stud, a third nut and a gasket; a fourth through hole is formed in the middle of the hand wheel; the third stud is arranged at the top end of the valve rod, penetrates through the fourth through hole and the gasket in sequence and is connected with the third nut, and the hand wheel is fixedly connected with the valve rod by screwing the third nut.
Preferably, the stop valve further comprises a sealing ring, and the sealing ring is arranged between the valve body and the valve cover so as to increase the sealing performance of the stop valve.
Preferably, the stop valve is further provided with a valve seat, and the valve seat is arranged in the valve body and is arranged at the bottom of the vertical channel.
Compared with the prior art, the utility model discloses technical scheme's beneficial effect is: the stop valve of the utility model adopts the connection mode of the stud and the stud, so that a plurality of parts of the stop valve are convenient to disassemble and maintain; the sealing performance of the stop valve is improved by additionally arranging the packing and the sealing ring; the flange type stop valve with the sealing ring gasket on the flange surface is directly connected and installed without adding a rubber sealing ring gasket when being connected and installed with other valves or flange plates, is convenient and quick, has good sealing effect, improves the engineering installation efficiency and reduces the installation cost.
Drawings
Fig. 1 is a schematic cross-sectional view of a flange-type stop valve with a gasket on a flange surface according to this embodiment.
Fig. 2 is a schematic view of a flange face.
In the figure, 1-valve body, 2-valve seat, 3-valve clack, 4-valve clack cover, 5-valve rod, 6-sealing ring, 7-packing, 8-valve cover, 9-packing pressing sleeve, 10-second stud, 11-second nut, 12-valve rod nut, 13-hand wheel, 14-gasket, 15-third nut, 16-firm screw, 17-first stud, 18-first nut, 19-sealing gasket and 20-third stud.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
the same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", "long", "short", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limiting the present patent, and those skilled in the art will understand the specific meaning of the terms according to their specific circumstances.
It will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.
The embodiment provides a flange type stop valve with a sealing gasket on a flange surface, as shown in fig. 1-2, the stop valve comprises a valve body 1, a valve clack 3, a valve clack cover 4, a valve rod 5 and a valve rod nut 12;
the valve body 1 is in a three-way shape and is communicated with the inside; comprises a left channel 1.1, a right channel 1.2 and a vertical channel 1.3 which are communicated with each other;
the configuration of the left channel 1.1 from right to left is: the right end port of the left channel 1.1 faces upwards, the channel extends downwards from the right end port, turns left, and rises upwards while turning left, so that the highest position of the outlet at the leftmost end of the left channel 1.1 is higher than the end part of the right end;
the right channel 1.2 is a channel which is obliquely downward from left to right;
the right end of the left channel 1.1 is communicated with the bottom of the vertical channel 1.3; the right channel is communicated with the right side of the vertical channel;
a valve clack 3 is arranged in the vertical channel 1.3;
the top of the vertical channel 1.3 is provided with a valve cover 8, the valve cover 8 is used for covering the top of the vertical channel 1.3, and the valve cover 8 is connected with the valve body 1; the valve cover 8 is provided with a first through hole for installing the valve rod 5;
the valve rod nut 12 is arranged on the valve cover 8 and is fixedly connected with the valve cover 8;
the valve rod 5 sequentially passes through the valve rod nut 12 and the through hole on the valve cover 8 to be connected with the valve clack 3; the valve rod 5 is provided with an external thread matched with the valve rod nut 12; the valve rod 5 is rotated to drive the valve clack 3 to ascend and descend in the vertical channel 1.3, so that the connection and the closing of the stop valve are realized;
the stop valve still be equipped with valve clack lid 4, valve clack lid 4 cover is on valve rod 5 and is covered on valve clack 3.
The left and right surfaces of the stop valve are flange surfaces, and the flange surfaces are provided with sealing gaskets 19.
The sealing ring gasket 19 is fixed on the flange surface by lining.
The sealing ring pad 19 is a rubber sealing ring pad.
The stop valve also comprises a first stud 17 and a first nut 18; the first stud 17 is arranged at the top end of the valve body, a second through hole is formed in the position, corresponding to the first stud 17, of the valve cover 8, the first stud 17 penetrates through the second through hole to be connected with the first nut 18, and the valve cover 8 is connected with the valve body 1 by screwing the first nut 18.
The stop valve is also provided with a filler 7 and a filler pressing sleeve 9; the diameter of the lower part of the first through hole is equal to that of the valve rod 5, the diameter of the upper part of the first through hole is larger than that of the lower part of the first through hole, and the packing 7 is arranged on the upper part of the first through hole, is arranged between the valve body 1 and the valve rod 5 and is compressed by a packing pressing sleeve 9 sleeved on the valve rod 5; the stem nut 12 is fixed to the packing gland 9 by a firm pin 16.
The stop valve further comprises a second stud 10 and a second nut 11; the second stud 10 is arranged on the valve cover 8, a third through hole is formed in the position, corresponding to the second stud 10, of the packing pressing sleeve 9, the second stud 10 penetrates through the third through hole to be connected with the second nut 11, and the packing pressing sleeve 9 is enabled to tightly press the packing 7 through screwing the second nut 11.
The stop valve is also provided with a hand wheel 13; the middle part of the hand wheel 13 is fixedly connected with the top part of the valve rod 5.
The stop valve is also provided with a third stud 20, a third nut 15 and a gasket 14; a fourth through hole is formed in the middle of the hand wheel 13; the third stud 20 is arranged at the top end of the valve rod 5, the third stud 20 sequentially penetrates through the fourth through hole and the gasket 14 to be connected with the third nut 15, and the hand wheel 13 is fixedly connected with the valve rod 5 by screwing the third nut 15.
The stop valve still includes sealing ring 6, and sealing ring 6 is located between valve body 1 and valve gap 8.
The stop valve still be equipped with disk seat 2, disk seat 2 is established in valve body 1, locates the bottom of perpendicular passageway 1.3.
In the specific implementation in-process, make valve rod 5 rotate through twisting handle 13, valve rod 5 realizes that valve rod 5 rises and descends on stem nut 12 through the external screw thread on the valve rod 5, thereby drive the ascending and decline of valve clack 3, when the position of valve clack 3 reaches the bottommost end of vertical passage 1.3, the stop valve is closed, when the position of valve clack 3 reaches the topmost end of vertical passage 1.3, the stop valve is opened completely, the size that the stop valve was opened can be controlled to height through adjusting valve clack 3, the regulation interval of stop valve is that valve clack 3 is in between 1.2 left end lowest position of right side passageway and the highest position, in this interval, the stop valve is the incomplete open mode.
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A flange type stop valve with a sealing ring gasket on a flange surface is characterized by comprising a valve body (1), a valve clack (3), a valve clack cover (4) and a valve rod (5);
the valve body (1) is in a three-way shape and is communicated with the inside; comprises a left channel (1.1), a right channel (1.2) and a vertical channel (1.3) which are communicated with each other;
the configuration of the left channel (1.1) from right to left is: the port of the right end of the left channel (1.1) is upward, the channel extends downwards from the channel of the right end port, then turns to the left, and rises upwards while turning to the left, so that the highest position of the outlet of the leftmost end of the left channel (1.1) is higher than the end part of the right end;
the right channel (1.2) is a channel which is obliquely downwards from left to right;
the right end of the left channel (1.1) is communicated with the bottom of the vertical channel (1.3); the right channel (1.2) is communicated with the right side of the vertical channel (1.3);
a valve flap (3) is arranged in the vertical channel (1.3);
the top of the vertical channel (1.3) is provided with a valve cover (8), the valve cover (8) is used for covering the top of the vertical channel (1.3), and the valve cover (8) is connected with the valve body (1); the valve cover (8) is provided with a first through hole for installing the valve rod (5);
the valve rod nut (12) is arranged on the valve cover (8) and is fixedly connected with the valve cover (8);
the valve rod (5) sequentially penetrates through the valve rod nut (12) and the through hole on the valve cover (8) to be connected with the valve clack (3); the valve rod (5) is provided with an external thread matched with the valve rod nut (12); the valve rod (5) is rotated to drive the valve clack (3) to ascend and descend in the vertical channel (1.3) so as to realize the connection and the closing of the stop valve;
the left and right surfaces of the stop valve are flange surfaces, and the flange surfaces are provided with sealing ring gaskets (19).
2. The stop valve of claim 1, wherein the gasket (19) is mounted on the flange surface by lining.
3. The flange type stop valve with the sealing gasket on the flange surface according to claim 1 or 2, characterized in that the sealing gasket (19) is a rubber sealing gasket.
4. The stop valve of claim 1, wherein the stop valve further comprises a first stud (17), a first nut (18); the first stud (17) is arranged at the top end of the valve body (1), a second through hole is formed in the position, corresponding to the first stud (17), of the valve cover (8), the first stud (17) penetrates through the second through hole to be connected with the first nut (18), and the valve cover (8) is connected with the valve body (1) by screwing the first nut (18).
5. The flange type stop valve with the sealing ring gasket on the flange surface is characterized in that the stop valve is also provided with a packing (7) and a packing pressing sleeve (9); the diameter of the lower part of the first through hole is equal to that of the valve rod (5), the diameter of the upper part of the first through hole is larger than that of the lower part of the first through hole, and the filler (7) is arranged on the upper part of the first through hole, is arranged between the valve body (1) and the valve rod (5), and is compressed through a filler pressing sleeve (9) sleeved on the valve rod (5); the valve rod nut (12) is fixed on the packing pressing sleeve (9).
6. The flanged gasketed stop valve according to claim 5, further comprising a second stud (10) and a second nut (11); the second stud (10) is arranged on the valve cover (8), a third through hole is formed in the position, corresponding to the second stud (10), of the packing pressing sleeve (9), the second stud (10) penetrates through the third through hole to be connected with the second nut (11), and the packing pressing sleeve (9) is enabled to press the packing (7) tightly by screwing the second nut (11).
7. The flange type stop valve with the sealing gasket on the flange surface according to claim 1, characterized in that the stop valve is further provided with a hand wheel (13); the middle part of the hand wheel (13) is fixedly connected with the top of the valve rod (5).
8. The flange type stop valve with the gasket on the flange surface is characterized in that a third stud (20), a third nut (15) and a gasket (14) are further arranged on the stop valve; a fourth through hole is formed in the middle of the hand wheel (13); the third stud (20) is arranged at the top end of the valve rod (5), the third stud (20) sequentially penetrates through the fourth through hole and the gasket (14) to be connected with the third nut (15), and the hand wheel (13) is fixedly connected with the valve rod (5) by screwing the third nut (15).
9. The flange type stop valve with the gasket on the flange surface is characterized by further comprising a sealing ring (6), wherein the sealing ring (6) is arranged between the valve body (1) and the valve cover (8).
10. A flange type stop valve with a gasket on the flange surface according to claim 1, characterized in that the stop valve is further provided with a valve seat (2), and the valve seat (2) is arranged in the valve body (1) and at the bottom of the vertical channel (1.3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079198.1U CN210800072U (en) | 2019-07-09 | 2019-07-09 | Flange type stop valve with sealing ring gasket on flange surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921079198.1U CN210800072U (en) | 2019-07-09 | 2019-07-09 | Flange type stop valve with sealing ring gasket on flange surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210800072U true CN210800072U (en) | 2020-06-19 |
Family
ID=71241463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921079198.1U Active CN210800072U (en) | 2019-07-09 | 2019-07-09 | Flange type stop valve with sealing ring gasket on flange surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210800072U (en) |
-
2019
- 2019-07-09 CN CN201921079198.1U patent/CN210800072U/en active Active
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