CN116697080A - Easy maintenance's ball valve - Google Patents
Easy maintenance's ball valve Download PDFInfo
- Publication number
- CN116697080A CN116697080A CN202310854655.4A CN202310854655A CN116697080A CN 116697080 A CN116697080 A CN 116697080A CN 202310854655 A CN202310854655 A CN 202310854655A CN 116697080 A CN116697080 A CN 116697080A
- Authority
- CN
- China
- Prior art keywords
- ball valve
- valve
- valve core
- rod
- 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
- 238000012423 maintenance Methods 0.000 title claims description 7
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 230000005540 biological transmission Effects 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 10
- 230000007704 transition Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 description 6
- 210000004907 gland Anatomy 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/535—Mechanical actuating means with toothed gearing for rotating 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
- F16K5/08—Details
-
- 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
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention discloses a ball valve convenient to maintain, which comprises a valve seat, a ball valve core and a valve rod, wherein a cavity for installing the ball valve core is arranged in the middle of the valve seat, a valve cover for sealing the cavity is arranged on the valve seat, one end of the valve rod penetrates through the valve cover and then is detachably connected with the ball valve core, sealing sleeves are arranged on two sides of the ball valve core, one end of each sealing sleeve, which is in collision with the ball valve core, is large in diameter, the other end of each sealing sleeve is small in diameter and is in sliding connection with the valve seat, two limit bolts are symmetrically arranged on the sealing sleeves, one ends of the limit bolts penetrate through the sealing sleeves and are in threaded connection with the valve seat.
Description
Technical Field
The invention discloses a ball valve convenient to maintain, and belongs to the technical field of valves.
Background
The ball valve, the opening and closing piece (spheroid) is driven by the valve rod, and make the valve of rotary motion around the ball valve axis, can also be used for regulation and control of fluid, wherein have very strong shearing force between its V type ball core of the sealed V type ball valve and the metal disk seat of build-up welding carbide, specially adapted contains medium such as fibre, tiny solid particle, and the like, and the multi-way ball valve can not only flexible control the confluence, the reposition of redundant personnel of medium and the switching of flow direction on the pipeline, but also can close arbitrary passageway and make two other passageways link to each other simultaneously, the ball valve divide into according to the driving method: cylinder ball valve, electric ball valve, manual ball valve.
The existing ball valve is designed into a component structure for conveniently installing the ball valve core and the sealing sleeve, namely, the valve seat is designed into a left valve seat and a right valve seat, and the ball valve is assembled through bolts, and because the sealing sleeve is abutted against the ball valve core, the distance between the two sealing sleeves is smaller than the diameter of the ball valve core, so that after one end of the ball valve is used for a while, the ball valve core or the sealing sleeve is worn, the tightness of the ball valve core or the sealing sleeve is deteriorated, the left valve seat and the right valve seat are required to be detached from a pipeline, the ball valve can be maintained after the left valve seat and the right valve seat are detached, and the valve rod and the ball valve core are also more troublesome to detach, so that the maintenance of the ball valve is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a ball valve convenient to maintain.
The ball valve comprises a valve seat, a ball valve core and a valve rod, wherein a cavity for installing the ball valve core is arranged in the middle of the valve seat, a valve cover for sealing the cavity is arranged on the valve seat, one end of the valve rod penetrates through the valve cover and then is detachably connected with the ball valve core, a hand wheel is arranged at the other end of the valve rod, sealing sleeves are arranged at two sides of the ball valve core, one end of each sealing sleeve, which is in collision with the ball valve core, is large in diameter, the other end of each sealing sleeve is small in diameter and is in sliding connection with the valve seat, two limit bolts are symmetrically arranged on the sealing sleeves, one end of each limit bolt penetrates through each sealing sleeve and then is in threaded connection with the valve seat, a first spring is sleeved outside each limit bolt, two ends of each first spring are respectively in collision with the sealing sleeve and the valve seat, and a power mechanism for driving the two sealing sleeves to be far away from the ball valve core is arranged below the corresponding ball valve core.
Preferably, the power mechanism comprises a rotating disc, a transmission rod and a limiting piece, wherein two positioning surfaces with the distance smaller than the diameter of the two positioning surfaces are arranged on the rotating disc, a transition surface is arranged between the two positioning surfaces, one end of the transmission rod is fixedly connected with the rotating disc, the other end of the transmission rod extends to the outer side of the valve seat, and the limiting piece is arranged on the valve seat and is in transmission connection with the transmission rod.
Preferably, the locating part includes driving gear, driven gear, gag lever post and second spring, be provided with the recess that is used for installing driving gear and driven gear on the disk seat, and still be provided with the apron on the disk seat, driven gear slides and sets up on the transfer line, gag lever post and driving gear sliding connection, and the both ends of gag lever post rotate with disk seat and apron respectively and be connected, the second spring housing is established on the gag lever post, and both ends are contradicted with disk seat and driving gear respectively, the one end of gag lever post is provided with the hexagonal groove.
Preferably, one end of the transmission rod extending to the outer side of the cover plate is provided with a straight slot, the straight slot is arranged towards the two positioning surfaces, and the gear ratio of the driven gear to the driving gear is 4:1.
Preferably, the ball valve core is provided with a mounting plane, the ball valve core is provided with a first boss embedded in the rotating disc, the first boss is of a cone structure, a gap is reserved between the ball valve core and the rotating disc, and the valve cover is provided with a second boss propping against one of the mounting planes.
Preferably, one side of the valve cover, which is far away from the ball valve core, is provided with a mounting table, a mounting cavity is formed between the mounting table and the valve rod, the valve rod is positioned in the mounting cavity and is provided with a ring bulge, one side of the ring bulge is provided with a third spring, a pressing sheet and a first sealing ring, the pressing sheet is positioned between the third spring and the first sealing ring, the mounting table is fixedly connected with a pressing cover of a convex structure through a bolt, one end of the valve rod, which is connected with the ball valve core, is of a T-shaped structure, and a T-shaped groove matched with the valve rod is formed in the ball valve core.
Preferably, a sealing boss matched with the valve seat is arranged on the valve cover, a second sealing ring is arranged on the sealing sleeve, and a diversion conical surface is arranged at the inner side of one end of the sealing sleeve, which is far away from the ball valve core.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up rolling disc, transfer line and locating part, utilize allen key to rotate the gag lever post for the driving gear drives driven gear and rotates, thereby drives transfer line and rolling disc rotation, and the conflict position of rolling disc and seal cover changes, makes the locating surface no longer contradict with the seal cover, and increases the distance between two seal covers from this, makes it no longer produce the baffle to the ball valve core along the direction removal of valve rod, so can maintain the ball valve under the circumstances of just dismantling the valve gap, has simplified whole dismouting process.
2. The ball valve core is detachably connected with the valve rod through the T-shaped groove, the ball valve core is kept in an abutting state with the second boss by the acting force exerted by the third spring, the ball valve core and the valve rod cannot easily fall off, the ball valve core is conveniently dismounted through the bolt on the control knob pressing cover, and the operation is simple.
Drawings
FIG. 1 is a schematic illustration of a ball valve of the present invention with convenient maintenance;
FIG. 2 is a cross-sectional view of a ball valve of the present invention with ease of maintenance;
figure 3 is a schematic structural view of the sealing sleeve and the power mechanism in the invention;
FIG. 4 is a schematic view of the mounting structure of the valve stem, ball valve core and bonnet of the present invention;
FIG. 5 is a schematic view of a valve cover according to the present invention;
reference numerals: 1. a valve seat; 2. a valve cover; 3. a hand wheel; 4. a mounting table; 5. a valve stem; 6. a gland; 7. a diversion conical surface; 8. a ball valve core; 9. sealing sleeve; 10. a cavity; 11. a power mechanism; 12. a first boss; 13. a cover plate; 14. a limiting piece; 15. a second seal ring; 16. a first spring; 17. a limit bolt; 18. a rotating disc; 19. a driven gear; 20. a straight slot; 21. a transmission rod; 22. a limit rod; 23. a drive gear; 24. a second spring; 25. a positioning surface; 26. a third spring; 27. tabletting; 28. a first seal ring; 29. a T-shaped groove; 30. a ring bulge; 31. a mounting plane; 32. sealing the boss; 33. and a second boss.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-5, a ball valve convenient to maintain comprises a valve seat 1, a ball valve core 8 and a valve rod 5, and is characterized in that a cavity 10 for installing the ball valve core 8 is arranged in the middle of the valve seat 1, a valve cover 2 for sealing the cavity 10 is arranged on the valve seat 1, one end of the valve rod 5 penetrates through the valve cover 2 and then is detachably connected with the ball valve core 8, a hand wheel 3 is arranged at the other end, sealing sleeves 9 are arranged at two sides of the ball valve core 8, one end of each sealing sleeve 9, which is in collision with the ball valve core 8, is large in diameter, the other end of each sealing sleeve 9 is small in diameter and is in sliding connection with the valve seat 1, two limit bolts 17 are symmetrically arranged on the sealing sleeves 9, one end of each limit bolt 17 penetrates through the sealing sleeve 9 and then is in threaded connection with the valve seat 1, a first spring 16 is sleeved outside the limit bolts 17, two ends of the first spring 16 are respectively in collision with the valve seat 1, and a power mechanism 11 for driving the two sealing sleeves 9 to be far away from the ball valve core 8 is arranged below the corresponding to the ball valve core 8.
The power mechanism 11 comprises a rotating disc 18, a transmission rod 21 and a limiting piece 14, wherein two positioning surfaces 25 with the distance smaller than the diameter of the rotating disc are arranged on the rotating disc 18, a transition surface is arranged between the two positioning surfaces 25, one end of the transmission rod 21 is fixedly connected with the rotating disc 18, the other end of the transmission rod extends to the outer side of the valve seat 1, the limiting piece 14 is arranged on the valve seat 1 and is in transmission connection with the transmission rod 21, when the two positioning surfaces 25 are aligned with the two sealing sleeves 9, the distance between the two sealing sleeves 9 is minimum and props against the ball valve core 8, the valve can be controlled to open and close, and when the limiting piece 14 drives the rotating disc 18 to rotate, the transition surface starts to prop against the sealing sleeves 9, and the distance from the transition surface to the center of the rotating disc 18 gradually increases, so that the two sealing sleeves 9 move towards the direction far away from each other, and the ball valve core 8 is kept still.
The limiting piece 14 comprises a driving gear 23, a driven gear 19, a limiting rod 22 and a second spring 24, the valve seat 1 is provided with a groove for installing the driving gear 23 and the driven gear 19, the valve seat 1 is also provided with a cover plate 13, the driven gear 19 is arranged on the transmission rod 21 in a sliding way, the limiting rod 22 is connected with the driving gear 23 in a sliding way, two ends of the limiting rod 22 are respectively connected with the valve seat 1 and the cover plate 13 in a rotating way, the second spring 24 is sleeved on the limiting rod 22, two ends of the limiting rod are respectively propped against the valve seat 1 and the driving gear 23, one end of the limiting rod 22 is provided with a hexagonal groove, the limiting rod 22 is rotated by using an inner hexagonal wrench, so that the driving gear 23 drives the driven gear 19 to rotate, thereby driving rod 21 and the rotating disc 18 are driven to synchronously rotate, the propping positions of the rotating disc 18 and the two sealing sleeves 9 can be changed, so that the ball valve core 8 can be conveniently disassembled, the second spring 24 applies a certain elastic force to the driving gear 23, so that the limiting rod 22 has a certain resistance when rotating, the rotating disc 18 can keep a certain state and is not moved when rotating, the transmission rod 21 extends to one end of the outer side of the cover plate 13 and is provided with a straight slot 20, the straight slot 20 is arranged towards two positioning surfaces 25, the straight slot 20 can inform an operator of the position of the positioning surfaces 25, thereby conveniently controlling the distance between the two sealing sleeves 9, facilitating the subsequent smooth disassembly and assembly of the ball valve core 8, the tooth ratio of the driven gear 19 to the driving gear 23 is 4:1, the number of teeth of the driving gear 23 is less, the labor-saving effect can be achieved when rotating the rotating disc 18, the ball valve core 8 is provided with a mounting plane 31, the ball valve core 8 is provided with a first boss 12 embedded in the rotating disc 18, the first boss 12 is of a cone structure, a gap is formed between the ball valve core 8 and the rotating disc 18, the valve cover 2 is provided with a second boss 33 which is propped against one of the installation planes 31, the ball valve core 8 is in a vertically propped state by means of the first boss 12 and the second boss 33, and the two provide favorable support for the ball valve core 8, so that the ball valve core 8 is more stable when being subjected to the acting force of fluid.
The valve cover 2 is provided with a mounting table 4 at one side far away from the ball valve core 8, a mounting cavity is arranged between the mounting table 4 and the valve rod 5, a ring bulge 30 is arranged in the mounting cavity, a third spring 26, a pressing sheet 27 and a first sealing ring 28 are arranged at one side of the ring bulge 30, the pressing sheet 27 is positioned between the third spring 26 and the first sealing ring 28, a gland 6 with a convex structure is fixedly connected on the mounting table 4 through bolts, one end of the valve rod 5 connected with the ball valve core 8 is in a T-shaped structure, a T-shaped groove 29 matched with the valve rod 5 is arranged on the ball valve core 8, the third spring 26 generates elasticity on the pressing sheet 27, the first sealing ring 28 is pressed and deformed, so that the tightness of the joint of the mounting table 4 and the valve rod 5 is ensured, the valve rod 5 and the ball valve core 8 are connected through the T-shaped groove 29, the middle part of the gland 6 is pressed against the ring bulge 30 through bolts on the knob gland 6, and the valve rod 5 drives the ball valve core 8 to separate from the interference with the second boss 33, so that the ball valve core 8 can be conveniently removed from the valve rod 5, and when in assembly, the third spring 26 exerts the action on the annular boss 30, so that the valve rod 5 drives the ball valve core 8 to abut on the second boss 33, thereby keeping a static installation state, the ball valve core 8 can not easily rotate, so that the ball valve core 8 is smoothly installed in the valve seat 1, the valve cover 2 is provided with the sealing boss 32 matched with the valve seat 1, the tightness between the valve cover 2 and the valve seat 1 can be improved, the sealing sleeve 9 is provided with the second sealing ring 15, the condition that fluid leaks from the valve seat 1 and the sealing sleeve 9 can be avoided, the inner side of one end of the sealing sleeve 9 away from the ball valve core 8 is provided with the flow guiding conical surface 7, the flow guiding conical surface 7 can reduce the flushing of the fluid on the sealing sleeve 9, and reduces resistance to fluid flow.
Working principle: when the ball valve is required to be maintained, fluid in a pipeline is firstly cut off, the valve is in an open state, at the moment, the length of the ball valve core 8 extending into the sealing sleeve 9 is minimum, then the limiting rod 22 is rotated, the driving gear 23 and the driven gear 19 are utilized to drive the transmission rod 21 and the rotating disc 18 to rotate, the distance between the two sealing sleeves 9 is increased by means of the interference between the transition surface and the sealing sleeve 9, the first spring 16 is compressed until the distance between the two sealing sleeves 9 is larger than the maximum length of the ball valve core 8, then the valve cover 2 is detached from the valve seat 1, the ball valve core 8 can be taken out of the valve seat 1 smoothly, the sealing sleeve 9 can be replaced by detaching the limiting bolt 17, and the ball valve core 8 can be detached from the valve rod 5 by the bolt on the knob gland 6, so that the ball valve is convenient to maintain.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (7)
1. The utility model provides a easy maintenance's ball valve, includes disk seat (1), ball valve core (8) and valve rod (5), its characterized in that, the middle part of disk seat (1) is provided with cavity (10) with installation ball valve core (8), and is provided with on disk seat (1) valve gap (2) that are used for sealing cavity (10), after valve gap (2) are passed to the one end of valve rod (5), can dismantle with ball valve core (8) and be connected, the other end is provided with hand wheel (3), the both sides of ball valve core (8) are provided with seal cover (9), seal cover (9) are big with ball valve core (8) contradicted one end diameter, and the other end diameter is little and with disk seat (1) sliding connection, the symmetry is provided with two stop bolt (17) on seal cover (9), after one end of stop bolt (17) passes seal cover (1) threaded connection, and the outside cover of stop bolt (17) is equipped with first spring (16), the both ends of first spring (16) are contradicted with seal cover (9) and disk seat (1) respectively, the one end of ball (8) is provided with two power pack (11) of corresponding disk seat (8) below ball valve core (8).
2. A ball valve according to claim 1, characterized in that the power mechanism (11) comprises a rotating disc (18), a transmission rod (21) and a limiting piece (14), two positioning surfaces (25) with the distance smaller than the diameter of the rotating disc (18) are arranged on the rotating disc, a transition surface is arranged between the two positioning surfaces (25), one end of the transmission rod (21) is fixedly connected with the rotating disc (18), the other end of the transmission rod extends to the outer side of the valve seat (1), and the limiting piece (14) is arranged on the valve seat (1) and is in transmission connection with the transmission rod (21).
3. The ball valve of claim 2, wherein the limiting part (14) comprises a driving gear (23), a driven gear (19), a limiting rod (22) and a second spring (24), a groove for installing the driving gear (23) and the driven gear (19) is formed in the valve seat (1), a cover plate (13) is further arranged on the valve seat (1), the driven gear (19) is slidably arranged on the transmission rod (21), the limiting rod (22) is slidably connected with the driving gear (23), two ends of the limiting rod (22) are respectively connected with the valve seat (1) and the cover plate (13) in a rotating mode, the second spring (24) is sleeved on the limiting rod (22), two ends of the second spring are respectively abutted to the valve seat (1) and the driving gear (23), and one end of the limiting rod (22) is provided with a hexagonal groove.
4. A maintenance-friendly ball valve according to claim 3, wherein the transmission rod (21) extends to the outer side of the cover plate (13) and is provided with a straight slot (20), the straight slot (20) is arranged towards two positioning surfaces (25), and the gear ratio of the driven gear (19) to the driving gear (23) is 4:1.
5. A convenient maintenance ball valve according to claim 2, characterized in that the ball valve core (8) is provided with a mounting plane (31), and the ball valve core (8) is provided with a first boss (12) embedded in the rotating disc (18), the first boss (12) is of a cone structure, a gap is arranged between the ball valve core (8) and the rotating disc (18), and the valve cover (2) is provided with a second boss (33) which is pressed against one of the mounting planes (31).
6. The ball valve convenient to maintain according to claim 1, characterized in that one side of the valve cover (2) away from the ball valve core (8) is provided with a mounting table (4), a mounting cavity is formed between the mounting table (4) and the valve rod (5), the valve rod (5) is arranged in the mounting cavity and is provided with a ring bulge (30), one side of the ring bulge (30) is provided with a third spring (26), a pressing sheet (27) and a first sealing ring (28), the pressing sheet (27) is arranged between the third spring (26) and the first sealing ring (28), a pressing cover (6) with a convex structure is fixedly connected to the mounting table (4) through bolts, one end of the valve rod (5) connected with the ball valve core (8) is in a T-shaped structure, and a T-shaped groove (29) matched with the valve rod (5) is formed in the ball valve core (8).
7. A ball valve according to claim 1, characterized in that the valve cover (2) is provided with a sealing boss (32) matched with the valve seat (1), the sealing sleeve (9) is provided with a second sealing ring (15), and the inner side of one end of the sealing sleeve (9) far away from the ball valve core (8) is provided with a diversion conical surface (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310854655.4A CN116697080A (en) | 2023-07-12 | 2023-07-12 | Easy maintenance's ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310854655.4A CN116697080A (en) | 2023-07-12 | 2023-07-12 | Easy maintenance's ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116697080A true CN116697080A (en) | 2023-09-05 |
Family
ID=87837534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310854655.4A Pending CN116697080A (en) | 2023-07-12 | 2023-07-12 | Easy maintenance's ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116697080A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869620A (en) * | 2024-03-11 | 2024-04-12 | 紫兴玉光管路***有限公司 | Forced sealing type ball valve assembly |
| CN118149126A (en) * | 2024-05-09 | 2024-06-07 | 青岛伟隆阀门股份有限公司 | Valve and valve seat fastening tool thereof |
-
2023
- 2023-07-12 CN CN202310854655.4A patent/CN116697080A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117869620A (en) * | 2024-03-11 | 2024-04-12 | 紫兴玉光管路***有限公司 | Forced sealing type ball valve assembly |
| CN117869620B (en) * | 2024-03-11 | 2024-05-28 | 紫兴玉光管路***有限公司 | Forced sealing type ball valve assembly |
| CN118149126A (en) * | 2024-05-09 | 2024-06-07 | 青岛伟隆阀门股份有限公司 | Valve and valve seat fastening tool thereof |
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