CN113007379A - Top-mounted ball valve and assembling tool and process thereof - Google Patents
Top-mounted ball valve and assembling tool and process thereof Download PDFInfo
- Publication number
- CN113007379A CN113007379A CN202110223045.5A CN202110223045A CN113007379A CN 113007379 A CN113007379 A CN 113007379A CN 202110223045 A CN202110223045 A CN 202110223045A CN 113007379 A CN113007379 A CN 113007379A
- Authority
- CN
- China
- Prior art keywords
- valve
- cylindrical surface
- outer cylindrical
- cavity
- seat
- 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
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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0626—Easy mounting or dismounting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
- B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
- B25B27/24—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same mounting or demounting 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a top-mounted ball valve and an assembling tool and a process thereof, the structure of the top-mounted ball valve comprises a valve body, a ball body and a valve seat, wherein the valve seat is installed in an inlet and outlet channel of the valve body through a special assembling tool by a spring seat and a snap spring, the problem that threads are easily damaged due to threaded transmission of the valve seat in the prior art is solved, the requirement on the matching precision between the valve seat and the spring seat is low, parts are easy to process, the assembly and disassembly are convenient, and the assembly quality is.
Description
Technical Field
The invention belongs to the field of valves, and particularly relates to an upper-mounted type cryogenic ball valve. The invention is suitable for the working conditions of cryogenic media such as liquid nitrogen, liquid oxygen and the like at the temperature of 196 ℃ below zero.
Background
At present, the upper-mounted cryogenic ball valves at home and abroad mostly adopt a threaded valve seat structure or a hinge valve seat structure. The metal valve seat of the threaded valve seat structure is installed in the valve body through the threaded ring, in a deep cooling working condition, the metal valve seat and the threaded ring are both made of austenitic stainless steel materials, and the austenitic stainless steel materials have the characteristics of low hardness and high toughness; the disadvantages are that: the metal valve seat and the threaded ring are made of the same material, the threads are easy to engage during assembly, the threads are difficult to reliably screw in place, the threads are extruded and deformed and damaged by uneven force application in the screwing process, and even scrap iron falls to damage a soft sealing surface of the valve seat; moreover, the threaded valve seat requires high machining precision, the requirements on clearance and tolerance fit are accurate and appropriate, the machining difficulty is high, and the threaded valve seat is particularly not suitable for large-caliber deep cooling ball valves. The hinge of the hinge valve seat structure is formed by splicing a plurality of sections of circular arcs, is complex to manufacture and troublesome to install, and has hidden danger of falling off of a hinge connection joint in the using process and poor reliability.
Disclosure of Invention
The invention aims to provide an upper-mounted ball valve, an assembling tool and a process thereof, which are easy to process, convenient to assemble and reliable in quality aiming at the defects in the prior art.
The purpose of the invention is realized by the following technical scheme:
a top-mounted ball valve comprises a valve body, a ball body and a valve seat, wherein a rubber seal ring is embedded in a sealing surface of the valve seat and is matched with the ball body to form a soft sealing pair, the valve seat is provided with a first outer cylindrical surface, a second outer cylindrical surface and a third outer cylindrical surface which are gradually reduced in diameter from one end close to the ball body to the outer cylindrical surface far away from one end of the ball body, a first cylindrical cavity and a second cylindrical cavity which are gradually reduced in inner diameter are formed in a passage of the valve body from one side of the valve cavity to one side far away from the valve cavity, the second outer cylindrical surface of the valve seat is in dynamic sealing fit with the inner wall of the second cylindrical cavity of the valve body, the diameter of an; the method is characterized in that: the valve seat is arranged in an inlet and outlet channel of the valve body through a spring seat and a clamp spring, the spring seat is arranged in an annular cavity between a second outer cylindrical surface of the valve seat and the inner wall of a first cylindrical cavity of the valve body, the inner hole wall of the spring seat is in clearance fit with the second outer cylindrical surface of the valve seat, the outer cylindrical surface is in clearance fit with the inner wall of the first cylindrical cavity of the valve body, the axial length of the spring seat is smaller than that of the annular cavity, so that the spring seat can move axially in the annular cavity, a radial inner step is arranged in an inner hole of the spring seat, a spring cavity is arranged in the radial inner step, a spring is arranged between a radial outer step between the first outer cylindrical surface of the valve seat and the second; a radial inner step is arranged between the second cylindrical cavity of the valve body and the channel, and an axial space is arranged between the radial inner step and the end face of the valve seat; an annular shoulder is arranged on the spring seat and positioned on the inner side of the valve cavity.
Preferably, a lip-shaped rubber sealing ring is arranged between the third outer cylindrical surface of the valve seat and the inner wall of the second cylindrical cavity of the valve body, the opening of the lip-shaped rubber sealing ring faces the end face direction of the valve seat, and a steel ring is embedded in the opening of the lip-shaped rubber sealing ring; the steel ring is pressed in the opening of the lip-shaped rubber sealing ring by a pressing ring and a split spacer ring, the split spacer ring is clamped in a clamping groove in the third outer cylindrical surface of the valve seat, a clamping groove is formed in the outer cylindrical surface of the split spacer ring, and a clamp is installed in the clamping groove.
The utility model provides an assembly tool of upper assembling type ball valve which characterized in that: the screw sleeve is composed of a screw sleeve, screw rods and clamping rings, wherein internal threads in opposite directions are formed at two ends of an inner hole of the screw sleeve, the internal threads at two ends of the inner hole of the screw sleeve are respectively in threaded connection with the screw rods, the clamping rings are fixedly installed at the other ends of the screw rods at two sides respectively, and clamping grooves are formed in the lower end faces of the clamping rings.
Preferably, the lower end surface of the clamping ring is arc-shaped, and an arc-shaped clamping groove is formed in the lower end surface of the arc-shaped clamping ring.
An assembly process of a top-mounted ball valve is characterized by comprising the following assembly steps:
1. the steel ring is embedded in the lip-shaped rubber sealing ring and integrally sleeved on the third outer cylindrical surface of the valve seat, and the pressing ring is sleeved on the third outer cylindrical surface of the valve seat and is in pressing contact with the steel ring;
2. the split spacer ring is arranged in a clamping groove of the third outer cylindrical surface of the valve seat, and a clamp is arranged in the clamping groove;
3. after a spring is arranged in a spring cavity of the spring seat, the spring is sleeved on a second outer cylindrical surface of the valve seat, and the clamp spring is arranged on one side, close to the annular convex shoulder, of the outer cylindrical surface of the spring seat;
4. the valve seat and the spring seat assembly are integrally installed into an inlet and outlet channel of the valve body from an upper installing opening of the valve body middle cavity;
5. the ball body and the valve rod assembly are integrally installed into the valve cavity from the upper loading opening of the valve body middle cavity, and the ball body is adjusted to be in a full-closed position with the valve seat;
6. placing an assembling tool into a valve cavity from the loading openings of the valve body at the two end positions of the ball flow passage hole, embedding clamping grooves of clamping rings at the two ends of the assembling tool on an annular convex shoulder of a spring seat, rotating a threaded sleeve, tensioning the spring seat towards the ball direction through a screw rod and the clamping rings, placing the clamping springs into the annular clamping grooves on the outer cylindrical surface of the spring seat, and taking out the assembling tool;
7. the valve body is provided with a valve cover at the upper opening.
Compared with the prior art, the invention has the beneficial effects that: the valve seat is installed in the inlet and outlet channel of the valve body through the spring seat and the clamp spring through special assembling tools, the requirement on the matching precision between the valve seat and the spring seat is low, parts are easy to process, the assembly and the disassembly are convenient, and the assembly quality is reliable.
Drawings
FIG. 1 is a schematic view of the assembly tool of the present invention in use.
Fig. 2 is a partial structural view of the valve seat of fig. 1 according to the present invention.
Fig. 3 is a schematic view of the construction of the assembly tool of the present invention.
In the figure: 1 spheroid, 2 spring seats, 3 disk seats, 4 jump rings, 5 springs, 6 lip rubber seal, 7 clamps, 8 split rings, 9 valve bodies, 10 clamping rings, 11 steel rings, 12 rubber seal, 13 swivel nuts, 14 screws, 15 snap rings.
Detailed Description
The upper-mounted ball valve as shown in fig. 1 and fig. 2 comprises a valve body 9, a ball body 1 and a valve seat 3, wherein a rubber seal ring 12 is embedded in a sealing surface of the valve seat 3 and is matched with the ball body 1 to form a soft sealing pair, the valve seat 3 has a first outer cylindrical surface, a second outer cylindrical surface and a third outer cylindrical surface which are gradually reduced in diameter from one end close to the ball body 1 to an outer cylindrical surface far from one end of the ball body 1, a first cylindrical cavity and a second cylindrical cavity which are gradually reduced in inner diameter are formed in a passage from one side of the valve cavity to one side far from the valve cavity of the valve body 9, the second outer cylindrical surface of the valve seat 3 is in dynamic sealing fit with the inner wall of the second cylindrical cavity of the valve body 9, a piston structure is formed between the second outer cylindrical surface of the valve seat 3 and the second cylindrical cavity of the valve body 9, the inner hole of the valve seat 3 is equal to the diameter, forming a top-loading structure; the method is characterized in that: the valve seat 3 is installed in an inlet and outlet channel of the valve body 9 by a spring seat 2 and a clamp spring 4, the spring seat 2 is installed in an annular cavity between a second outer cylindrical surface of the valve seat 3 and the inner wall of a first cylindrical cavity of the valve body 9, the inner hole wall of the spring seat 2 is in clearance fit with the second outer cylindrical surface of the valve seat 3, the outer cylindrical surface is in clearance fit with the inner wall of the first cylindrical cavity of the valve body 9, the axial length of the spring seat 2 is smaller than that of the annular cavity, so that the spring seat 2 can move axially in the annular cavity, a radial inner step is arranged in the inner hole of the spring seat 2, a spring cavity is arranged in the radial inner step, a spring 5 is installed between the radial outer step between the first outer cylindrical surface and the second outer cylindrical surface of the valve seat 3 and the spring cavity, the valve seat 3 is pushed to the sphere 1 to be compressed, the clamp spring 4 and the spring 5 jointly push the valve seat 3 to press the ball body 1; a radial inner step is arranged between the second cylindrical cavity of the valve body 9 and the channel, an axial space is arranged between the radial inner step and the end surface of the valve seat 3, and the axial space ensures that the valve seat 3 has enough axial displacement; an annular shoulder is arranged on one side, located in the valve cavity, of the spring seat 2 and used for installing a special dismounting tool, and assembly is facilitated. The valve body 9 adopts an integrated structure, the valve seat 3 and the spring seat 2 adopt austenitic stainless steel materials, the snap spring 4 adopts an open elastic stainless steel ring, and the valve body 9, the ball body 1, the valve seat 3 and the spring seat 2 are formed by post-processing through a cryogenic treatment process, so that the component has ultralow temperature resistance. The valve seat 3 and the valve body 9 form a DBB structure, so that bidirectional sealing is realized, and meanwhile, the valve seat 3 can automatically release pressure to a low-pressure end when the middle cavity is in overpressure, so that the use safety and the sealing reliability of the cryogenic ball valve are ensured.
A lip-shaped rubber sealing ring 6 is arranged between the third outer cylindrical surface of the valve seat 3 and the inner wall of the second cylindrical cavity of the valve body 9, the opening of the lip-shaped rubber sealing ring 6 faces the end surface direction of the valve seat 3, namely, the direction departing from the valve cavity, a steel ring 11 is embedded in the opening of the lip-shaped rubber sealing ring 6, the steel ring 11 is pushed by medium pressure to prop open the lip-shaped rubber sealing ring 6, and the self-sealing performance between the outer cylindrical surface of the valve seat 3 and the inner cavity wall of; steel ring 11 is by clamping ring 10, split spacer ring 8 pressure equipment is in lip rubber seal 6's opening, 11 roof pressures of steel ring are in lip rubber seal 6's opening with clamping ring 10 one end, the other end and the contact of split spacer ring 8, prevent 6 axial displacement wearing and tearing of lip rubber seal, guarantee the sealing performance after 3 automatic pressure release of disk seat, split spacer ring 8 clamps in the draw-in groove of 3 third outer cylindrical surfaces of disk seat, its outer circumferential surface is equipped with the chucking groove, install clamp 7 in the chucking groove, clamp 7 will be to split spacer ring 8 chucking in the chucking inslot of disk seat 3.
The assembling tool of the upper-mounted ball valve shown in figure 3 is characterized in that: the novel valve seat is composed of a threaded sleeve 13, screw rods 14 and clamping rings 15, wherein internal threads in opposite directions are formed at two ends of an inner hole of the threaded sleeve 13, namely a left thread is formed at the left end of the inner hole of the threaded sleeve 13, a right thread is formed at the right end of the inner hole of the threaded sleeve 13, the internal threads at two ends of the inner hole of the threaded sleeve 13 are respectively in threaded connection with the screw rods 14, the clamping rings 15 are fixedly installed at the other ends of the screw rods 14 on two sides respectively, clamping grooves are formed in the lower end faces of the clamping rings 15, when the valve seat is installed, the clamping grooves of the clamping rings 15 on the left.
The clamping groove on the lower end face of the clamping ring 15 is an arc-shaped clamping groove, the matching performance of the clamping groove and the annular convex shoulder of the spring seat is improved, and the optimal radian value of the arc-shaped clamping groove is 1/4 arcs.
The assembly process of the upper-mounted ball valve is characterized by comprising the following assembly steps of:
1. a steel ring 11 is embedded in the lip-shaped rubber sealing ring 6 and integrally sleeved on the third outer cylindrical surface of the valve seat 3, and a pressing ring 10 is sleeved on the third outer cylindrical surface of the valve seat 3 and is in pressing contact with the steel ring 11;
2. the split spacer ring 8 is arranged in a clamping groove of the third outer cylindrical surface of the valve seat 3, and a clamp 7 is arranged in the clamping groove;
3. a spring 5 is installed in a spring cavity of the spring seat 2 and then sleeved on a second outer cylindrical surface of the valve seat 3, and a clamp spring 4 is installed on one side, close to the annular convex shoulder, of the outer cylindrical surface of the spring seat 2;
4. the valve seat 3 and the spring seat 2 are integrally installed into an inlet and outlet channel of the valve body 9 from an upper loading port of a middle cavity of the valve body 9;
5. the ball body 1 is loaded into the valve cavity from the upper loading opening of the cavity in the valve body 9, the ball body 1 is adjusted to be in a full-closed position with the valve seat 3, the ball body 1 and the valve rod form an integrated component, and then the integrated component is loaded into the valve cavity;
6. placing an assembling tool into a valve cavity from an installing opening on a valve body 9 at two end positions of a flow passage hole of a ball body 1, embedding clamping grooves of clamping rings 15 at two ends of the assembling tool on an annular convex shoulder of a spring seat 2, respectively installing an assembling tool at two end positions of the flow passage hole of the ball body 1, improving the adjusting stability of the spring seat 2, rotating a threaded sleeve 13, tensioning the spring seat 2 towards the ball body 1 through a screw 14 and the clamping rings 15, installing a clamping spring 4 into the annular clamping groove on the outer cylindrical surface of the spring seat 2, and taking out the assembling tool; the clamp spring 4 pushes the valve seat 3 out of the inlet and outlet channels of the valve body 9 to be tightly pressed and sealed with the ball body 1, so that the problem that the valve seat in the prior art retracts into the valve body channel or extends out of the valve body channel through thread rotation is solved;
7. the valve body 9 is provided with a valve cover.
During disassembly, the snap rings 15 on two sides of the assembling tool are embedded on the annular convex shoulders of the spring seats 2 on two sides, the screw sleeve 13 is rotated, the spring seats 2 move towards the valve cavity, the snap springs 4 are taken out from the annular clamping grooves on the outer circular surfaces of the spring seats 2, the screw sleeve 13 is rotated reversely, the valve seat 3 is retreated into the channel of the valve body 9, and the ball body 1 and the valve seat 3 can be taken out. The disassembly and the maintenance are convenient.
Claims (5)
1. A top-mounted ball valve comprises a valve body (9), a ball body (1) and a valve seat (3), wherein the valve seat (3) is provided with a first outer cylindrical surface, a second outer cylindrical surface and a third outer cylindrical surface, the diameters of the first outer cylindrical surface, the second outer cylindrical surface and the third outer cylindrical surface are gradually reduced from one end close to the ball body (1) to the outer cylindrical surface far away from one end of the ball body (1), a first cylindrical cavity and a second cylindrical cavity, the inner diameters of the first cylindrical cavity and the second cylindrical cavity are gradually reduced, are formed in a channel from one side of the valve cavity to one side far away from the valve cavity, the second outer cylindrical surface of the valve seat (3) is in dynamic sealing fit with the inner wall of the second cylindrical cavity of the valve body (9), the inner hole of; the method is characterized in that: the valve seat (3) is installed in an inlet and outlet channel of the valve body (9) through the spring seat (2) and the clamp spring (4), the spring seat (2) is installed in an annular cavity between a second outer cylindrical surface of the valve seat (3) and the inner wall of a first cylindrical cavity of the valve body (9), the inner hole wall of the spring seat (2) is in clearance fit with the second outer cylindrical surface of the valve seat (3), the outer cylindrical surface is in clearance fit with the inner wall of the first cylindrical cavity of the valve body (9), the axial length of the spring seat (2) is smaller than that of the annular cavity, a radial inner step is arranged in the inner hole of the spring seat (2), a spring cavity is arranged in the radial inner step, a spring (5) is installed between the radial outer step between the first outer cylindrical surface of the valve seat (3) and the second outer cylindrical surface of the valve seat and the spring cavity; a radial inner step is arranged between the second cylindrical cavity of the valve body (9) and the channel, and an axial space is arranged between the radial inner step and the end surface of the valve seat (3); an annular convex shoulder is arranged on one side of the spring seat (2) positioned in the valve cavity.
2. The top-loading ball valve according to claim 1, wherein: a lip-shaped rubber sealing ring (6) is arranged between the third outer cylindrical surface of the valve seat (3) and the inner wall of the second cylindrical cavity of the valve body (9), the opening of the lip-shaped rubber sealing ring (6) faces the end surface direction of the valve seat (3), and a steel ring (11) is embedded in the opening of the lip-shaped rubber sealing ring (6); the steel ring (11) is pressed in an opening of the lip-shaped rubber sealing ring (6) through a pressing ring (10) and a split spacer ring (8), the split spacer ring (8) is clamped in a clamping groove in the third outer cylindrical surface of the valve seat (3), a clamping groove is formed in the outer cylindrical surface of the split spacer ring, and a clamp (7) is installed in the clamping groove.
3. The utility model provides an assembly tool of upper assembling type ball valve which characterized in that: the screw sleeve is composed of a screw sleeve (13), a screw rod (14) and a clamping ring (15), wherein internal threads in opposite directions are formed at two ends of an inner hole of the screw sleeve (13), the internal threads at two ends of the inner hole of the screw sleeve (13) are respectively in threaded connection with one end of the screw rod (14), the clamping ring (15) is fixedly installed at the other end of each screw rod (14) at two sides, and a clamping groove is formed in the lower end face of the clamping ring (15).
4. The assembly tool of the top-loading ball valve as set forth in claim 3, wherein: the clamping groove on the lower end surface of the clamping ring (15) is an arc-shaped clamping groove.
5. The assembly process of the top-loading ball valve as claimed in claim 2, wherein: the method comprises the following assembly steps:
1) the steel ring (11) is embedded in the lip-shaped rubber sealing ring (6) and integrally sleeved on the third outer cylindrical surface of the valve seat (3), and the pressing ring (10) is sleeved on the third outer cylindrical surface of the valve seat (3) and is in pressing contact with the steel ring (11);
2) the split spacer ring (8) is arranged in a clamping groove of the third outer cylindrical surface of the valve seat (3), and a clamp (7) is arranged in the clamping groove;
3) a spring (5) is installed in a spring cavity of the spring seat (2) and then sleeved on a second outer cylindrical surface of the valve seat (3), and a clamp spring (4) is installed on one side, close to the annular convex shoulder, of the outer cylindrical surface of the spring seat (2);
4) the valve seat (3) and the spring seat (2) are integrally installed into an inlet and outlet channel of the valve body (9) from an upper loading opening of a middle cavity of the valve body (9);
5) the ball body (1) is loaded into the valve cavity from the upper loading opening of the cavity in the valve body (9), and the ball body (1) is adjusted to be in a full-closed position with the valve seat (3);
6) placing an assembling tool into a valve cavity from an installing opening on a valve body (9) at two end positions of a flow passage hole of a sphere (1), embedding snap rings at two ends of the assembling tool on an annular convex shoulder of a spring seat (2), rotating a threaded sleeve, tensioning the spring seat (2) towards the sphere (1) through a screw rod and the snap rings, installing a snap spring (4) into an annular clamping groove on the outer cylindrical surface of the spring seat (2), and taking out the assembling tool;
7) and a valve cover is arranged at the upper mounting opening of the valve body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110223045.5A CN113007379A (en) | 2021-03-01 | 2021-03-01 | Top-mounted ball valve and assembling tool and process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110223045.5A CN113007379A (en) | 2021-03-01 | 2021-03-01 | Top-mounted ball valve and assembling tool and process thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007379A true CN113007379A (en) | 2021-06-22 |
Family
ID=76386774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110223045.5A Pending CN113007379A (en) | 2021-03-01 | 2021-03-01 | Top-mounted ball valve and assembling tool and process thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113007379A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586755A (en) * | 2021-08-09 | 2021-11-02 | 凯喜姆阀门有限公司 | Fixed ball valve and online disassembling method thereof |
| CN114352763A (en) * | 2021-12-27 | 2022-04-15 | 浙江伯特利科技股份有限公司 | Top-mounted cryogenic ball valve and online assembly device and assembly process thereof |
| CN114670150A (en) * | 2022-04-11 | 2022-06-28 | 浙江伯特利科技股份有限公司 | Special extracting tool of ultra-low temperature upper assembling type ball valve disk seat |
| CN116906614A (en) * | 2023-09-13 | 2023-10-20 | 成都成高阀门股份有限公司 | Anti-rotation device for valve seat of low-temperature ball valve and use method of anti-rotation device |
-
2021
- 2021-03-01 CN CN202110223045.5A patent/CN113007379A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586755A (en) * | 2021-08-09 | 2021-11-02 | 凯喜姆阀门有限公司 | Fixed ball valve and online disassembling method thereof |
| CN114352763A (en) * | 2021-12-27 | 2022-04-15 | 浙江伯特利科技股份有限公司 | Top-mounted cryogenic ball valve and online assembly device and assembly process thereof |
| CN114352763B (en) * | 2021-12-27 | 2023-06-16 | 浙江伯特利科技股份有限公司 | Top-mounted cryogenic ball valve, on-line assembly device and assembly process thereof |
| CN114670150A (en) * | 2022-04-11 | 2022-06-28 | 浙江伯特利科技股份有限公司 | Special extracting tool of ultra-low temperature upper assembling type ball valve disk seat |
| CN114670150B (en) * | 2022-04-11 | 2023-09-05 | 浙江伯特利科技股份有限公司 | Special extracting tool of ultralow temperature upper assembling type ball valve disk seat |
| CN116906614A (en) * | 2023-09-13 | 2023-10-20 | 成都成高阀门股份有限公司 | Anti-rotation device for valve seat of low-temperature ball valve and use method of anti-rotation device |
| CN116906614B (en) * | 2023-09-13 | 2023-11-21 | 成都成高阀门股份有限公司 | Anti-rotation device for valve seat of low-temperature ball valve and use method of anti-rotation device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113007379A (en) | Top-mounted ball valve and assembling tool and process thereof | |
| CN1309979C (en) | Valve and its assembling method | |
| CN106989185B (en) | Novel rotary wheel type manual throttle valve | |
| CN216829823U (en) | Wedge type flashboard turning anchor clamps of adjustable angle | |
| CN215214833U (en) | Deep-cooling ball valve with snap spring valve seat | |
| CN210014024U (en) | Novel plate valve | |
| CN112833212A (en) | Snap spring valve seat upper assembling type cryogenic ball valve | |
| CN107781446B (en) | Two-way pressure universal automatic compensation valve seat snap ring pressing plate type valve | |
| CN111677864B (en) | Split type mechanical seal and sealing method for split contact interface thereof | |
| CN109373074B (en) | Brake fluid change machine adapter | |
| CN208719371U (en) | Easily speed shut-off valve | |
| CN219888783U (en) | Top-mounted ultralow-temperature fixed ball valve | |
| CN221323366U (en) | Top-mounted C-shaped eccentric ball valve with adjustable pretightening force | |
| CN217784570U (en) | High-pressure fluid plunger hole plate improved structure capable of reducing internal leakage | |
| CN216895800U (en) | Bidirectional soft sealing butterfly valve | |
| CN212657393U (en) | Metal sealing element for cold extrusion molding of end part of steel pipe and 24-degree conical joint body | |
| CN110939742A (en) | Vector sealing valve | |
| CN211525589U (en) | Ball valve special for coal chemical industry | |
| CN114352763B (en) | Top-mounted cryogenic ball valve, on-line assembly device and assembly process thereof | |
| CN215805480U (en) | Internal thread pneumatic shuttle valve | |
| CN215806341U (en) | Liquid hydrogen valve | |
| CN221323367U (en) | High-performance top-mounted C-type fireproof ball valve | |
| CN219606151U (en) | High-temperature-resistant overflow valve structure | |
| CN114413005B (en) | Double-eccentric butterfly valve and manufacturing method of valve body sealing ring thereof | |
| CN214466490U (en) | Pneumatic diaphragm valve with steel ball connection structure |
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 |