CN114110178A - Stainless steel stop valve - Google Patents
Stainless steel stop valve Download PDFInfo
- Publication number
- CN114110178A CN114110178A CN202111142862.4A CN202111142862A CN114110178A CN 114110178 A CN114110178 A CN 114110178A CN 202111142862 A CN202111142862 A CN 202111142862A CN 114110178 A CN114110178 A CN 114110178A
- Authority
- CN
- China
- Prior art keywords
- pipe
- circular
- valve
- straight
- ring
- Prior art date
- 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.)
- Pending
Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 18
- 239000010935 stainless steel Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 17
- 238000005728 strengthening Methods 0.000 claims 3
- 239000007788 liquid Substances 0.000 abstract description 9
- 230000003014 reinforcing effect Effects 0.000 description 10
- 239000012530 fluid Substances 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/02—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a stainless steel stop valve which comprises a valve body, a valve clack, a valve rod and a valve cover, wherein the valve body mainly comprises an upper bent pipe, a lower bent pipe, a first straight circular pipe, a first annular groove, a second straight circular pipe and a first annular ring, the first straight circular pipe is vertically arranged, the coaxial first straight circular pipe is arranged in an inner pipe at the lowest end of the second straight circular pipe, the coaxial first annular groove is formed in the connecting edge of the upper end surface of the first straight circular pipe and the inner pipe of the second straight circular pipe, the first annular groove is formed in the upper end surface of the first straight circular pipe, the coaxial first annular ring is arranged on the upper end surface of the second straight circular pipe, and the upper end surface of the first annular ring is in a step shape sinking towards the axis. According to the invention, the valve cover main body is arranged into the hollow elliptical ball, so that the valve cover has higher strength, and meanwhile, when liquid seeps between the valve cover and the valve rod, the inner cavity of the elliptical ball can collect the liquid to prevent the liquid from splashing.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of stop valves, in particular to the technical field of stainless steel stop valves.
[ background of the invention ]
The stop valve, also called stop valve, is the most widely used valve, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also suitable for high pressure. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve body by means of the pressure of the valve rod, and the medium is prevented from flowing. The stop valve only allows the medium to flow in one direction, and the installation has directionality. The structure length of stop valve is greater than the gate valve, and fluid resistance is big simultaneously, and long-term operation, sealing reliability is not strong, produces deformation easily.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a stainless steel stop valve which has good sealing performance and higher strength.
In order to achieve the purpose, the invention provides a stainless steel stop valve, which comprises a valve body, a valve clack, a valve rod and a valve cover, wherein the valve body mainly comprises an upper bent pipe, a lower bent pipe, a first straight round pipe, a first annular groove, a second straight round pipe and a first annular ring, the first straight round pipe is vertically arranged, the coaxial first straight round pipe is arranged in an inner pipe at the lowest end of the second straight round pipe, the upper end surface of the first straight round pipe and the connecting edge of the inner pipe of the second straight round pipe are provided with a coaxial first annular groove, the first annular groove is arranged on the upper end surface of the first straight round pipe, the upper end surface of the second straight round pipe is provided with a coaxial first annular ring, the upper end surface of the first annular ring is in a step shape sinking towards the axis, the upper outer side wall of the right side of the second straight round pipe is provided with an upper bent pipe, the upper bent pipe is arranged below the first annular ring and close to the first annular ring, the rightmost end of the upper bent pipe is bent pipe and upwards bent pipe in an arc shape, the left side of the second straight round pipe is provided with a lower bent pipe, the leftmost end to the rightmost end of the lower bent pipe is bent downwards in an arc shape, the rightmost end of the lower bent pipe is adaptively connected with the bottommost end of the first straight circular pipe, a valve cover is arranged right above the first circular ring, the valve cover mainly comprises a second circular ring, a third straight circular pipe, an elliptical ball, an elliptical cavity, an internal threaded pipe and a through hole, the upper end surface of the first circular ring is fixedly provided with the coaxial second circular ring, the lower end surface of the second circular ring is provided with a trapezoidal structure matched with the upper end surface of the first circular ring, the upper end surface of the second circular ring is provided with the coaxial third straight circular pipe, the upper end surface of the third straight circular pipe is provided with the adaptive elliptical ball, the long axis of the elliptical ball is coaxial with the axis of the third straight circular pipe, the elliptical cavity is arranged inside the elliptical ball and is coaxial with the long axis of the elliptical ball, the short axis is coaxial with the axis, the internal threaded pipe is vertically inserted into the third straight circular pipe from the lower end inside of the elliptical cavity, and the lowest end of the internal threaded pipe is arranged above the lower end surface of the second circular ring, the uppermost end of the oval cavity is provided with a through hole coaxial with the long shaft, the valve rod vertically and downwards sequentially passes through the through hole, the inner pipe of the internal threaded pipe and the inner pipe of the second circular ring and then extends into the second straight circular pipe, the valve rod mainly comprises a first circular plate, a threaded rod, a circular rod and a hand wheel, the first circular plate, the threaded rod, the circular rod and the hand wheel are sequentially and coaxially connected, the outer diameter of the first circular plate is larger than that of the threaded rod, the hand wheel is arranged above the oval ball, the threaded rod is matched with the internal threaded pipe, the lowermost end of the threaded rod is provided with a coaxial valve clack which mainly comprises the second circular plate, the circular pipe, a second annular groove, a third annular groove, the lower end of the third annular groove is communicated with the upper end of the second annular groove, and the upper end of the third annular groove penetrates through the upper end face of the circular pipe, the lowest end of the threaded rod extends into the circular tube, a matched threaded tube is screwed between the threaded rod and the third annular groove, threads are arranged on the inner tube and the outer tube of the threaded tube, the first circular plate is pressed on the upper end face of the second circular plate by the lower end of the threaded tube, a coaxial third circular ring is sleeved on the upper end of the threaded tube, and the third circular ring is pressed on the upper end face of the circular tube.
Preferably, the lower end arc outer wall of the lower bent pipe and the lower end arc outer wall of the upper bent pipe form an inverted V-shaped angle, a lower reinforcing rib is arranged at the inverted V-shaped angle, the left end and the right end of the lower reinforcing rib are respectively fixed on the lower end arc outer wall of the lower bent pipe and the lower end arc outer wall of the upper bent pipe, and an upper reinforcing rib is connected between the upper end arc outer wall of the lower bent pipe and the outer wall of the adjacent second straight round pipe.
Preferably, the shell wall of the elliptical ball is provided with an annular cavity, the annular cavity takes the major axis of the elliptical ball as an axis, the upper end and the lower end of the annular cavity are symmetrical, and the horizontal circular surface where the minor axis of the elliptical ball is located is a symmetrical surface of the upper end and the lower end of the annular cavity.
Preferably, a first seal ring is interposed between the third ring and the circular tube.
Preferably, the outer diameter of the second circular plate is larger than the inner diameter of the first circular pipe.
Preferably, a second seal ring is interposed between the first ring and the second ring.
Preferably, the right port of the upper bent pipe is provided with a first pipeline connecting piece which is matched with the right port of the upper bent pipe, the upper bent pipe and the first pipeline connecting piece are integrally formed, the left port of the lower bent pipe is provided with a second pipeline connecting piece which is matched with the left port of the lower bent pipe, and the lower bent pipe and the second pipeline connecting piece are integrally formed.
Preferably, the first annular inner tube is provided with an internal thread adapted to the threaded rod.
The invention has the beneficial effects that: according to the invention, the valve cover main body is arranged into the hollow elliptical ball, so that the valve cover has higher strength, and meanwhile, when liquid seeps between the valve cover and the valve rod, the inner cavity of the elliptical ball can collect the liquid to prevent the liquid from splashing; the connecting surface of the first ring and the second ring is in a step shape, so that the first ring and the second ring can be prevented from deviating, the sealing performance between the first ring and the second ring can be enhanced, and the sealing performance between the first ring and the second ring is further enhanced by the second sealing ring; the arc structures of the upper bent pipe and the lower bent pipe can reduce the impact of fluid on the valve clack and prolong the service life of the valve clack; the lower reinforcing rib and the upper reinforcing rib enable the valve body to have higher strength; the annular cavity provides an expansion space for the elliptical ball to expand with heat and contract with cold.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
FIG. 1 is a front view of a stainless steel shut-off valve of the present invention;
FIG. 2 is a front view of a valve flap of a stainless steel shut-off valve of the present invention.
In the figure: the valve body 1, the upper bent pipe 11, the lower bent pipe 12, the first straight circular pipe 13, the first annular groove 131, the second straight circular pipe 14, the first circular ring 15, the valve cover 4, the second circular ring 41, the third straight circular pipe 42, the elliptical ball 43, the elliptical cavity 431, the internal threaded pipe 45, the through hole 46, the valve rod 3, the first circular plate 31, the threaded rod 32, the circular rod 33, the hand wheel 34, and the valve flap 2 are mainly composed of the second circular plate 21, the circular pipe 22, the second annular groove 221, the third annular groove 222, the threaded pipe 224, the third circular ring 223, the lower reinforcing rib 111, the upper reinforcing rib 121, the annular cavity 44, the first sealing ring 201, the second sealing ring 401, the first pipeline connector 101, and the second pipeline connector 102.
[ detailed description ] embodiments
Referring to fig. 1 and 2, the stainless steel stop valve of the present invention comprises a valve body 1, a valve flap 2, a valve rod 3, and a valve cover 4, wherein the valve body 1 mainly comprises an upper bent pipe 11, a lower bent pipe 12, a first straight circular pipe 13, a first annular groove 131, a second straight circular pipe 14, and a first annular ring 15, the first straight circular pipe 13 is vertically disposed, a coaxial first straight circular pipe 13 is disposed in an inner pipe at the lowermost end of the second straight circular pipe 14, a coaxial first annular groove 131 is disposed at the connecting edge of the upper end surface of the first straight circular pipe 13 and an inner pipe of the second straight circular pipe 14, the first annular groove 131 is disposed at the upper end surface of the first straight circular pipe 13, a coaxial first annular ring 15 is disposed at the upper end surface of the second straight circular pipe 14, the upper end surface of the first annular ring 15 is stepped toward the axis, the upper end of the right outer sidewall of the second straight circular pipe 14 is disposed with an upper bent pipe 11, the upper bent pipe 11 is disposed below the first annular ring 15 and is adjacent to the first annular ring 15, the upper bent pipe 11 is curved upward in an arc shape from the rightmost end to the leftmost end, the left side of the second straight circular tube 14 is provided with a lower bent tube 12, the leftmost end to the rightmost end of the lower bent tube 12 is in an arc shape and bends downwards, the rightmost end of the lower bent tube 12 is in adaptive connection with the bottommost end of the first straight circular tube 13, a valve cover 4 is arranged right above the first circular tube 15, the valve cover 4 mainly comprises a second circular ring 41, a third straight circular tube 42, an elliptical ball 43, an elliptical cavity 431, an internal threaded tube 45 and a through hole 46, the upper end face of the first circular ring 15 is fixedly provided with the coaxial second circular ring 41, the lower end face of the second circular ring 41 is provided with a trapezoidal structure matched with the upper end face of the first circular ring 15, the upper end face of the second circular ring 41 is provided with the coaxial third straight circular tube 42, the upper end face of the third straight circular tube 42 is provided with the adaptive elliptical ball 43, the long axis of the elliptical ball 43 is coaxial with the axis of the third straight circular tube 42, the elliptical cavity 431 is arranged inside the elliptical cavity 43, the elliptical cavity 431 is coaxial with the long axis of the elliptical ball 43, the short axis is coaxial with the elliptical cavity 431, the minor axis of the elliptical cavity 43, The axes are in common, the internal thread pipe 45 is vertically inserted into the third straight circular pipe 42 from the lower end inside the oval cavity 431, the lowest end of the internal thread pipe 45 is arranged above the lower end face of the second circular ring 41, the highest end of the oval cavity 431 is provided with a through hole 46 which is coaxial with the long axis, the valve rod 3 vertically and downwards sequentially passes through the through hole 46, the internal pipe of the internal thread pipe 45 and the internal pipe of the second circular ring 41 and then extends into the second straight circular pipe 14, the valve rod 3 mainly comprises a first circular plate 31, a threaded rod 32, a circular rod 33 and a hand wheel 34, the first circular plate 31, the threaded rod 32, the circular rod 33 and the hand wheel 34 are sequentially and coaxially connected, the outer diameter of the first circular plate 31 is larger than that of the threaded rod 32, the hand wheel 34 is arranged above the oval ball 43, the threaded rod 32 is adapted to the internal thread pipe 45, the lowest end of the threaded rod 32 is provided with a coaxial valve flap 2, the valve flap 2 mainly comprises a second circular plate 21, a circular pipe 22, a second annular groove 221, a third annular groove 222 and a thread pipe 224, A third circular ring 223, the upper end surface of the second circular plate 21 is provided with a coaxial circular tube 22, the inner wall of the circular tube 22 is provided with a second circular groove 221 and a third circular groove 222 which are coaxial, the third circular groove 222 is arranged above the second circular groove 221, the lower end of the third circular groove 222 is communicated with the upper end of the second circular groove 221, the upper end of the third circular groove 222 penetrates through the upper end surface of the circular tube 22, the lowest end of the threaded rod 32 extends into the circular tube 22, a matched threaded tube 224 is screwed between the threaded rod 32 and the third circular groove 222, both the inner tube and the outer tube of the threaded tube 224 are provided with threads, the first circular plate 31 is pressed on the upper end surface of the second circular plate 21 by the lower end of the threaded tube 224, the upper end of the threaded tube 224 is sleeved with the coaxial third circular ring 223, the third circular ring 223 is pressed on the upper end surface of the circular tube 22, the lower end arc-shaped outer wall of the lower bent tube 12 and the lower end-shaped outer wall of the upper bent tube 11 form an inverted V-shaped angle, the lower reinforced rib 111 is arranged at the inverted V-shaped angle, and the left and right ends of the lower reinforced rib 111 are respectively fixed at the lower end of the lower bent tube 12, On the lower end arc outer wall of the upper bent pipe 11, an upper reinforcing rib 121 is connected between the upper end arc outer wall of the lower bent pipe 12 and the outer wall of the adjacent second straight circular pipe 14, the shell wall of the elliptical ball 43 is provided with an annular cavity 44, the annular cavity 44 takes the major axis of the elliptical ball 43 as the axis, the upper end and the lower end of the annular cavity 44 are symmetrical, the horizontal circular surface where the minor axis of the elliptical ball 43 is located is the symmetrical surface of the upper end and the lower end of the annular cavity 44, a first sealing ring 201 is clamped between a third circular ring 223 and a circular pipe 22, the outer diameter of the second circular plate 21 is larger than the inner diameter of the first straight circular pipe 13, a second sealing ring 401 is clamped between a first circular ring 15 and a second circular ring 41, the right port of the upper bent pipe 11 is provided with a first pipeline connecting piece 101 which is matched with each other, the upper bent pipe 11 and the first pipeline connecting piece 101 are integrally formed, the left port of the lower bent pipe 12 is provided with a second pipeline connecting piece 102 which is matched with each other, and the lower bent pipe 12 and the second pipeline connecting piece 102 are integrally formed, the inner tube of the first ring 15 is provided with an internal thread adapted to the threaded rod 32.
The working process of the invention is as follows:
in the working process of the stainless steel stop valve, a first pipeline connecting piece 101 and a second pipeline connecting piece 102 are respectively connected with corresponding pipelines, the distance between the lower end face of a valve clack 2 and the upper end face of a first straight circular tube 13 is controlled by rotating a valve rod 3, the stop valve is closed when the lower end face of the valve clack 2 is in close contact with the upper end face of the first straight circular tube 13, the stop valve is opened when the lower end face of the valve clack 2 is far away from the upper end face of the first straight circular tube 13, the farther the distance between the lower end face of the valve clack 2 and the upper end face of the first straight circular tube 13 is, the larger the flow rate of fluid in the stop valve is, and the closer the distance between the lower end face of the valve clack 2 and the upper end face of the first straight circular tube 13 is, the smaller the flow rate of fluid in the stop valve is.
According to the invention, the valve cover 4 is provided with the hollow elliptical ball 43, so that the valve cover 4 has high strength, and meanwhile, when liquid seeps between the valve cover 4 and the valve rod 3, the inner cavity of the elliptical ball 43 can collect the liquid to prevent the liquid from splashing; the connecting surface of the first ring 15 and the second ring 41 is in a step shape, so that the first ring 15 and the second ring 41 can be prevented from deviating, the sealing performance between the first ring 15 and the second ring 41 can be enhanced, and the sealing performance between the first ring 15 and the second ring 41 is further enhanced by the second sealing ring 401; the arc structures of the upper bent pipe 11 and the lower bent pipe 12 can reduce the impact of fluid on the valve clack 2 and prolong the service life of the valve clack 2; the lower reinforcing rib 111 and the upper reinforcing rib 121 enable the valve body 1 to have higher strength; the annular cavity 44 provides an expansion space for the elliptical ball 43 to expand and contract with heat.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (8)
1. A stainless steel stop valve which characterized in that: comprises a valve body (1), a valve clack (2), a valve rod (3) and a valve cover (4), wherein the valve body (1) mainly comprises an upper bent pipe (11), a lower bent pipe (12), a first straight round pipe (13), a first annular groove (131), a second straight round pipe (14) and a first annular ring (15), the first straight round pipe (13) is vertically arranged, the first straight round pipe (13) which is coaxial is arranged in the inner pipe at the lowest end of the second straight round pipe (14), the first annular groove (131) which is coaxial is arranged at the connecting edge of the upper end surface of the first straight round pipe (13) and the inner pipe of the second straight round pipe (14), the first annular groove (131) is arranged at the upper end surface of the first straight round pipe (13), the first annular ring (15) which is coaxial is arranged at the upper end surface of the second straight round pipe (14), the upper end surface of the first annular ring (15) is in a step shape which the axis is sunken downwards, the upper end of the right outer side wall of the second straight round pipe (14) is provided with the upper bent pipe (11), the upper bent pipe (11) is arranged below the first circular ring (15) and is close to the first circular ring (15), the rightmost end of the upper bent pipe (11) is upwards bent in an arc shape, the left side of the second straight circular pipe (14) is provided with the lower bent pipe (12), the leftmost end of the lower bent pipe (12) is downwards bent in an arc shape, the rightmost end of the lower bent pipe (12) is adaptively connected with the bottommost end of the first straight circular pipe (13), the valve cover (4) is arranged right above the first circular ring (15), the valve cover (4) mainly comprises a second circular ring (41), a third straight circular pipe (42), an elliptical ball (43), an elliptical cavity (431), an internal threaded pipe (45) and a through hole (46), the upper end face of the first circular ring (15) is fixedly provided with a coaxial second circular ring (41), the lower end face of the second circular ring (41) is provided with a trapezoidal structure matched with the upper end face of the first circular ring (15), and the upper end face of the second circular ring (41) is provided with a coaxial third straight circular pipe (42), the upper end face of the third straight circular tube (42) is provided with a matched elliptical ball (43), the long axis of the elliptical ball (43) is coaxial with the axis of the third straight circular tube (42), an elliptical cavity (431) is arranged inside the elliptical ball (43), the elliptical cavity (431) is coaxial with the long axis of the elliptical ball (43), the short axis is coaxial, and the axis is concurrent, the internal threaded tube (45) is vertically inserted into the third straight circular tube (42) from the lower end inside the elliptical cavity (431) and the lowest end of the internal threaded tube (45) is arranged above the lower end face of the second circular ring (41), the uppermost end of the elliptical cavity (431) is provided with a through hole (46) coaxial with the long axis, the valve rod (3) vertically and downwards sequentially penetrates through the through hole (46), an internal threaded tube (45), an inner tube of the second circular ring (41) and then extends into the second straight circular tube (14), and the valve rod (3) mainly comprises a first circular plate (31), a threaded rod (32), a circular rod (33), A hand wheel (34), a first circular plate (31), a threaded rod (32), a circular rod (33) and the hand wheel (34) are sequentially and coaxially connected, the outer diameter of the first circular plate (31) is larger than that of the threaded rod (32), the hand wheel (34) is arranged above an elliptical ball (43), the threaded rod (32) is matched with an internal threaded pipe (45), a coaxial valve flap (2) is arranged at the lowest end of the threaded rod (32), the valve flap (2) mainly comprises a second circular plate (21), a circular pipe (22), a second annular groove (221), a third annular groove (222), a threaded pipe (224) and a third annular ring (223), a coaxial circular pipe (22) is arranged on the upper end face of the second circular plate (21), a second annular groove (221) and a third annular groove (222) are coaxially arranged on the inner wall of the circular pipe (22), the third annular groove (222) is arranged above the second annular groove (221), the lower end of the third annular groove (222) is communicated with the upper end of the second annular groove (221), and the upper end of the third annular groove (222) penetrates through the upper end face of the circular pipe (22), the lowest end of the threaded rod (32) extends into the circular tube (22), a matched threaded tube (224) is screwed between the threaded rod (32) and the third annular groove (222), threads are arranged on an inner tube and an outer tube of the threaded tube (224), the first circular plate (31) is pressed on the upper end face of the second circular plate (21) by the lower end of the threaded tube (224), a coaxial third circular ring (223) is sleeved on the upper end of the threaded tube (224), and the third circular ring (223) is pressed on the upper end face of the circular tube (22).
2. A stainless steel shut-off valve as defined in claim 1, wherein: the lower extreme arc outer wall of lower return bend (12) and the lower extreme arc outer wall of last return bend (11) constitute down V-arrangement angle and this down V-arrangement angle department is equipped with down strengthening rib (111), and both ends are fixed respectively on the lower extreme arc outer wall of lower return bend (12), the lower extreme arc outer wall of last return bend (11) about lower strengthening rib (111), even have between the upper end arc outer wall of lower return bend (12) and adjacent second straight pipe (14) outer wall and go up strengthening rib (121).
3. A stainless steel shut-off valve as defined in claim 1, wherein: the shell wall of oval ball (43) is equipped with annular cavity (44), and annular cavity (44) use oval ball (43) major axis as the axis, and the horizontal circular plane that annular cavity (44) upper and lower both ends symmetry and oval ball (43) minor axis place is the symmetry plane at annular cavity (44) upper and lower both ends.
4. A stainless steel shut-off valve as defined in claim 1, wherein: a first sealing ring (201) is clamped between the third circular ring (223) and the circular tube (22).
5. A stainless steel shut-off valve as defined in claim 1, wherein: the outer diameter of the second circular plate (21) is larger than the inner diameter of the first straight circular tube (13).
6. A stainless steel shut-off valve as defined in claim 1, wherein: a second sealing ring (401) is clamped between the first circular ring (15) and the second circular ring (41).
7. A stainless steel shut-off valve as defined in claim 1, wherein: the right end opening of the upper bent pipe (11) is provided with a first pipeline connecting piece (101) which is matched with the right end opening of the upper bent pipe, the upper bent pipe (11) and the first pipeline connecting piece (101) are integrally formed, the left end opening of the lower bent pipe (12) is provided with a second pipeline connecting piece (102) which is matched with the left end opening of the lower bent pipe, and the lower bent pipe (12) and the second pipeline connecting piece (102) are integrally formed.
8. A stainless steel shut-off valve as defined in claim 1, wherein: the inner pipe of the first circular ring (15) is provided with an internal thread matched with the threaded rod (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142862.4A CN114110178A (en) | 2021-09-28 | 2021-09-28 | Stainless steel stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111142862.4A CN114110178A (en) | 2021-09-28 | 2021-09-28 | Stainless steel stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114110178A true CN114110178A (en) | 2022-03-01 |
Family
ID=80441555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111142862.4A Pending CN114110178A (en) | 2021-09-28 | 2021-09-28 | Stainless steel stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114110178A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377404Y (en) * | 1999-06-08 | 2000-05-10 | 王玉明 | Internal seal type leakless valve |
| CN2580218Y (en) * | 2002-11-07 | 2003-10-15 | 陈仕平 | Piston stop valve |
| CN201043608Y (en) * | 2006-12-08 | 2008-04-02 | 金川集团有限公司 | Conical discharge valve |
| CN104373603A (en) * | 2014-10-16 | 2015-02-25 | 开封瑞科阀门有限公司 | Hidden rod type ultralow temperature stop valve with upper sealing structure, lower sealing structure and pressure relief device |
| CN105134972A (en) * | 2015-08-21 | 2015-12-09 | 浙江新昌三瑞香雪冲业有限公司 | Novel check valve |
| CN106931167A (en) * | 2015-12-30 | 2017-07-07 | 江苏海达船用阀业有限公司 | Novel high pressure-resistant stop valve |
| CN206988446U (en) * | 2017-07-31 | 2018-02-09 | 马鞍山宏力橡胶制品有限公司 | Chemical anticorrosion stop valve |
| CN208900932U (en) * | 2018-09-21 | 2019-05-24 | 杭州亿通塑胶实业有限公司 | A kind of self compensation double-wall corrugated pipe |
| CN109958776A (en) * | 2017-12-26 | 2019-07-02 | 福州市鼓楼区赢泰润丰投资管理有限公司 | A kind of corrosion resistant water conservancy valve |
| CN211951463U (en) * | 2020-03-26 | 2020-11-17 | 亚登阀门管件有限公司 | Rust-proof two-way stop valve |
| CN212338200U (en) * | 2020-05-13 | 2021-01-12 | 大连祥瑞阀门制造有限公司 | Stop valve for ship |
| CN212839425U (en) * | 2020-07-27 | 2021-03-30 | 大连祥瑞阀门制造有限公司 | Dual-purpose pneumatic quick-closing valve |
-
2021
- 2021-09-28 CN CN202111142862.4A patent/CN114110178A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2377404Y (en) * | 1999-06-08 | 2000-05-10 | 王玉明 | Internal seal type leakless valve |
| CN2580218Y (en) * | 2002-11-07 | 2003-10-15 | 陈仕平 | Piston stop valve |
| CN201043608Y (en) * | 2006-12-08 | 2008-04-02 | 金川集团有限公司 | Conical discharge valve |
| CN104373603A (en) * | 2014-10-16 | 2015-02-25 | 开封瑞科阀门有限公司 | Hidden rod type ultralow temperature stop valve with upper sealing structure, lower sealing structure and pressure relief device |
| CN105134972A (en) * | 2015-08-21 | 2015-12-09 | 浙江新昌三瑞香雪冲业有限公司 | Novel check valve |
| CN106931167A (en) * | 2015-12-30 | 2017-07-07 | 江苏海达船用阀业有限公司 | Novel high pressure-resistant stop valve |
| CN206988446U (en) * | 2017-07-31 | 2018-02-09 | 马鞍山宏力橡胶制品有限公司 | Chemical anticorrosion stop valve |
| CN109958776A (en) * | 2017-12-26 | 2019-07-02 | 福州市鼓楼区赢泰润丰投资管理有限公司 | A kind of corrosion resistant water conservancy valve |
| CN208900932U (en) * | 2018-09-21 | 2019-05-24 | 杭州亿通塑胶实业有限公司 | A kind of self compensation double-wall corrugated pipe |
| CN211951463U (en) * | 2020-03-26 | 2020-11-17 | 亚登阀门管件有限公司 | Rust-proof two-way stop valve |
| CN212338200U (en) * | 2020-05-13 | 2021-01-12 | 大连祥瑞阀门制造有限公司 | Stop valve for ship |
| CN212839425U (en) * | 2020-07-27 | 2021-03-30 | 大连祥瑞阀门制造有限公司 | Dual-purpose pneumatic quick-closing valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203146840U (en) | Electromagnetic steam stop valve | |
| CN114110178A (en) | Stainless steel stop valve | |
| CN205155182U (en) | By dual -purpose valve of non return | |
| CN212480249U (en) | Vertical spring check valve | |
| CN102287545B (en) | Butterfly ball valve | |
| CN205824275U (en) | A kind of water hammer-resistant angle valve | |
| CN213629357U (en) | Stop valve | |
| CN208619727U (en) | A kind of high-pressure stop valve | |
| CN220891101U (en) | Butterfly valve with compressive structure | |
| CN220488342U (en) | High-temperature high-pressure integrated hydrophobic ball valve | |
| CN201554909U (en) | Check valve | |
| CN216407855U (en) | Angle type Y-shaped valve body flow passage | |
| CN218818169U (en) | Low-noise and weak-impact stop valve | |
| CN219588130U (en) | Valve clack anti-loosening structure of stop valve | |
| CN111173943B (en) | Dual-control efficient check valve | |
| CN218992415U (en) | Self-sealing ball valve | |
| CN215334610U (en) | Ball valve for lifting hydraulic oil tank system of dump truck | |
| CN220581752U (en) | Sanitary check valve | |
| CN203202314U (en) | Float clack type check valve | |
| CN211501798U (en) | Top-mounted ball valve casting | |
| CN209688151U (en) | A kind of wear-resisting high-pressure ball valve | |
| CN214305372U (en) | Long service life's soft sealing valve | |
| CN219841048U (en) | Clamping sleeve type polytetrafluoroethylene needle valve | |
| CN109058500A (en) | Colliding energy dissipation axial-flow type ring taps valve | |
| CN216200652U (en) | Eccentric butt-clamping spiral butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xia Xinmei Inventor after: Gan Yujia Inventor after: Zhou Kun Inventor after: Wang Xiaoxue Inventor before: Gan Yujia Inventor before: Li Diwei |
|
| CB03 | Change of inventor or designer information |