CN117345893B - Fixed ball seat of low drop - Google Patents
Fixed ball seat of low drop Download PDFInfo
- Publication number
- CN117345893B CN117345893B CN202311479338.5A CN202311479338A CN117345893B CN 117345893 B CN117345893 B CN 117345893B CN 202311479338 A CN202311479338 A CN 202311479338A CN 117345893 B CN117345893 B CN 117345893B
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- sleeve
- ball
- mounting
- spline
- valve
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- 238000009434 installation Methods 0.000 claims description 11
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 abstract description 15
- 238000000034 method Methods 0.000 abstract description 14
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 230000005389 magnetism Effects 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001739 rebound effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
Classifications
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- 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
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- 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
- F16K31/60—Handles
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- 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
- F16K5/0647—Spindles or actuating means
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- 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
- F16K5/204—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the plugs or parts of the plugs mechanically pressing the seals against the housing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention provides a low-drop-off type fixed ball seat, which relates to the technical field of valves and comprises a valve main body, wherein the front end of the valve main body is fixedly provided with a mounting cap through a bolt, and a ball body is arranged in the valve main body; an upper mounting seat is fixedly arranged at the top of the valve main body through bolts; an adjusting sleeve is arranged above the upper mounting seat, the ball is supported by the elastic action of the buffer spring, so that the ball is elastically supported, friction between the sealing surface of the ball and a channel of the valve main body can be reduced in the process of rotating and opening the ball, meanwhile, the operating torque of the upper shaft rod and the lower shaft rod of the ball is reduced, the opening and closing process of the ball is smoother, the valve has the advantages that the service life of the valve is prolonged, the problem that when the existing low-drop-type fixed ball seat is used, the valve rod is easy to be subjected to external force, disordered movement and opening are caused, the use safety of the valve is affected, the sealing surface of the ball body can be rubbed with a channel of the valve for a long time, the ball body is easy to wear, and the service life of the valve is greatly reduced is solved.
Description
Technical Field
The invention relates to the technical field of valves, in particular to a low-drop-off type fixed ball seat.
Background
Ball valves are usually valves in which a ball with a circular channel is used as an opening and closing element, and the ball rotates with a valve body to realize opening and closing actions. The ball valve has the characteristics of small volume, light weight, quick opening and closing and the like, and is a valve widely applied at present. The sealing performance of the valve seat and the ball body of the ball valve is directly related to the quality of the ball valve.
When the existing low-drop-off type fixed ball seat is used, a ball valve is generally lack of a reasonable self-locking structure, a valve rod is easy to be subjected to external force, so that unordered movement and opening are caused, the use safety of the valve is affected, in addition, in the rotating opening and closing process of a ball body, the sealing surface of the ball body can be rubbed with a channel of the valve for a long time, the ball body is easy to wear, the service life of the valve is greatly reduced, in addition, the ball body and the valve seat are made of metal materials, the sealing specific pressure is large, a small gap is easy to appear, and the sealing quality of the valve is affected.
Disclosure of Invention
In view of the above, the invention provides a low-drop-out type fixed ball seat, which solves the problems that when the existing low-drop-out type fixed ball seat is used, a valve rod is easy to be subjected to the action of external force, so that disordered movement and opening are caused, the use safety of a valve is influenced, a sealing surface of a ball body can rub with a channel of the valve for a long time, the ball body is easy to wear, and the service life of the valve is greatly reduced.
The invention provides a low-falling-off type fixed ball seat, which specifically comprises: the front end of the valve main body is fixedly provided with a mounting cap through a bolt, and a ball body is arranged in the valve main body; an upper mounting seat is fixedly arranged at the top of the valve main body through bolts; an adjusting sleeve is arranged above the upper mounting seat; the bottom of the valve main body is fixedly provided with a lower mounting seat through a bolt, the lower mounting seat corresponds to the upper mounting seat, and the ball body is positioned between the lower mounting seat and the upper mounting seat; two mounting sleeve frames are arranged in the mounting cap and are distributed in an up-down symmetrical mode; the installation sleeve frame is internally provided with a supporting block, the installation sleeve frame and the supporting block are positioned at the joint of the valve main body and the installation cap, and the supporting block is contacted with the ball body.
Further, the top of the upper mounting seat is provided with a limiting shaft sleeve, the limiting shaft sleeve is fixedly connected with the upper mounting seat through a bolt, a top shaft lever is rotatably mounted in the upper mounting seat through a bearing, and the top shaft lever is connected with the ball body.
Further, the top end of the top shaft rod is provided with a ratchet sleeve, the top of the top shaft rod is provided with a spline jack, and the spline jack is positioned at the center of the ratchet sleeve.
Further, adjusting external member one side is equipped with the drive hand lever, adjusts external member bottom and is equipped with the connecting axle, and adjusts the external member and rotate through bearing and spacing axle sleeve and be connected, adjusts the external member top and is equipped with the installation section of thick bamboo, has inserted the slip inserted bar in the adjusting external member.
Further, the central point of the bottom end of the connecting shaft is provided with a supporting sleeve frame, two limit stops are arranged at the bottom end of the connecting shaft near the peripheral position, the two limit stops are distributed in a central symmetry mode, two adjusting clamping blocks are arranged below the limit stops, the two adjusting clamping blocks are distributed in a central symmetry mode, a rotating column is arranged on the adjusting clamping blocks, the adjusting clamping blocks are rotationally connected with the connecting shaft through the rotating column, the adjusting clamping blocks are in contact with the limit stops, and a compression spring is arranged between the adjusting clamping blocks and the supporting sleeve frame.
Furthermore, the mounting cylinder is of a cylindrical cavity structure, two guide sliding grooves are formed in the side wall of the mounting cylinder and are symmetrically distributed, two limit clamping grooves are formed in the side wall of the mounting cylinder and are located at one side of the top end of each guide sliding groove;
The spline rod bottom is equipped with the spline rod, and spline rod and spline jack phase-match, the slip inserted bar top is equipped with supporting baffle, and supporting baffle is located the installation section of thick bamboo, supporting baffle outer peripheral face is equipped with two guide slide blocks, and two guide slide blocks are symmetrical mode and distribute, the cover is equipped with extension spring on the slip inserted bar, and the extension spring both ends are connected with extension spring and regulation external member top respectively, when the spline rod is smooth to be inserted in the spline jack, supporting baffle passes through guide slide block and the direction spout sliding connection of installation section of thick bamboo, when the spline rod upwards slides and breaks away from the spline jack, guide slide block and spacing draw-in groove looks joint.
Further, the lower mounting seat is rotationally provided with a rotating shaft sleeve, the rotating shaft sleeve is provided with a bottom shaft lever, and the bottom shaft lever is connected with the ball body.
Further, a spline slot is formed in the top of the rotating shaft sleeve, and a first permanent magnet ring is arranged at the top end of the rotating shaft sleeve;
the bottom shaft rod bottom is equipped with the spline post, and the spline post slides and inserts in the spline slot of rotating the axle sleeve, and the cover is equipped with buffer spring on the spline post, and buffer spring supports between rotating axle sleeve and bottom shaft rod, and bottom shaft rod bottom is equipped with the second permanent magnet ring, and the second permanent magnet ring is corresponding with first permanent magnet ring.
Further, the left side and the right side of the installation sleeve frame are provided with installation side plates, the two installation side plates are symmetrically distributed, and a limit column is arranged between the two installation side plates close to the rear end.
Further, the supporting block is provided with a mounting through groove, the mounting through groove is of a kidney-shaped structure, the limit column is in sliding fit with the mounting through groove, two spring plates are arranged at the front end of the supporting block, and the spring plates are supported between the supporting block and the side wall of the mounting sleeve frame.
The low-falling-off type fixing ball seat provided by the invention has the following beneficial effects:
1. The invention is provided with the connecting shaft and the ratchet sleeve, the hand-held driving hand lever rotates clockwise by taking the connecting shaft as the axis, the elastic action of the compression spring is utilized, the limiting support is carried out on the adjusting clamping block through the limiting stop block, the adjusting clamping block is clamped with the ratchet sleeve, the top shaft lever can be driven to rotate, the ball body is driven to rotate to finish the valve closing process, when the connecting shaft rotates anticlockwise, the adjusting clamping block lacks the limiting stop, the rotating column is used as the axis to rotate, the adjusting clamping block cannot be clamped with the ratchet sleeve, the ball body cannot be controlled to rotate and be opened, and the unordered movement and the opening of the driving hand lever caused by the external force can be effectively avoided through the arrangement of the self-locking structure, so that the valve is safer and more stable to use.
2. According to the invention, the guide sliding block is separated from the limiting clamping groove by rotating, the rebound pulling action of the extension spring is utilized to enable the extension spring and the guide sliding block to slide downwards along the guide sliding block, so that the sliding inserted bar drives the spline bar to be adjusted downwards, the spline bar can be inserted into the spline jack in a sliding way, and then when the adjusting sleeve member is rotated anticlockwise by driving the hand bar, the rotating top shaft lever can be driven to rotate at the same time, the sphere rotating opening process is realized, the control opening structure is simple, and the use and operation are convenient and flexible.
3. The invention is provided with the rotating shaft sleeve and the bottom shaft lever, the second permanent magnet ring is matched with the first permanent magnet ring, and the spline post is slidably inserted into the spline slot and is supported by utilizing the elastic action of the buffer spring, so that the ball body can be elastically supported, friction between the sealing surface of the ball body and the channel of the valve main body can be reduced in the process of rotating and opening the ball body, and meanwhile, the operating torque of the upper shaft lever and the lower shaft lever of the ball body is reduced, so that the opening and closing process of the ball body is smoother, and the service life of the valve is prolonged.
4. The invention is provided with the mounting sleeve frame and the mounting sleeve frame, the mounting through groove is matched with the limit column in a sliding way, the wedge-shaped head at the rear end of the supporting block supports the ball body by utilizing the rebound effect of the spring plate, and the wedge-shaped head of the supporting block can swing up and down and back and forth, so that the ball body can be expanded to be tightly pressed with the channel of the valve main body to achieve sealing, and the sealing specific pressure of the ball body is increased, thereby achieving reasonable sealing requirements.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
fig. 1 is a schematic diagram of an overall perspective structure of an embodiment of the present invention.
Fig. 2 is a schematic view of the cross-sectional view taken from fig. 1 in accordance with an embodiment of the present invention.
Fig. 3 is a schematic view of the explosive state structure of the ball, upper mount and adjustment kit according to an embodiment of the present invention.
Fig. 4 is a schematic view of an exploded status structure of the adjusting kit and the top shaft according to the embodiment of the present invention.
Fig. 5 is a schematic view of an explosion state structure of a limiting sleeve and an adjusting sleeve according to an embodiment of the present invention.
Fig. 6 is an enlarged schematic view of the portion a in fig. 5 according to an embodiment of the present invention.
Fig. 7 is a schematic view of a cross-sectional view of an adjusting sleeve according to an embodiment of the present invention.
Fig. 8 is a schematic diagram of an exploded state structure of a ball and a lower mount according to an embodiment of the present invention.
Fig. 9 is a schematic view of an exploded status of a rotating hub and a bottom shaft according to an embodiment of the present invention.
Fig. 10 is a schematic view of the support nest and support block structure of an embodiment of the present invention.
Fig. 11 is a schematic view of the exploded status structure of fig. 10 according to an embodiment of the present invention.
List of reference numerals
1. A valve body; 101. installing a cap; 102. a sphere; 2. an upper mounting seat; 201. a limiting shaft sleeve; 202. a top shaft; 2021. ratchet sleeve; 2022. spline insertion holes; 3. an adjustment kit; 301. driving a hand lever; 302. a connecting shaft; 3021. a support sleeve frame; 3022. a limit stop; 3023. adjusting the clamping block; 3024. rotating the column; 3025. a compression spring; 303. a mounting cylinder; 3031. a guide chute; 3032. a limit clamping groove; 304. sliding the inserted link; 3041. a spline bar; 3042. a support baffle; 3043. a guide slide block; 3044. a tension spring; 4. a lower mounting seat; 401. rotating the shaft sleeve; 4011. spline slots; 4012. a first permanent magnet ring; 402. a bottom shaft; 4021. a spline post; 4022. a buffer spring; 4023. a second permanent magnet ring; 5. installing a sleeve frame; 501. installing a side plate; 502. a limit column; 6. a support block; 601. installing a through groove; 602. and (3) a spring plate.
Detailed Description
In order to make the objects, aspects and advantages of the technical solution of the present invention more clear, the technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specific embodiment of the present invention. Unless otherwise indicated, terms used herein have the meaning common in the art. Like reference numerals in the drawings denote like parts.
Embodiment one: please refer to fig. 1 to 11:
The invention provides a low-drop-off type fixed ball seat, which comprises a valve main body 1, wherein the front end of the valve main body 1 is fixedly provided with a mounting cap 101 through a bolt, and a ball 102 is arranged in the valve main body 1; the top of the valve main body 1 is fixedly provided with an upper mounting seat 2 through bolts; an adjusting sleeve 3 is arranged above the upper mounting seat 2; the bottom of the valve main body 1 is fixedly provided with a lower mounting seat 4 through bolts, the lower mounting seat 4 corresponds to the upper mounting seat 2 in position, and a sphere 102 is positioned between the lower mounting seat 4 and the upper mounting seat 2; two mounting sleeve frames 5 are arranged in the mounting cap 101, and the two mounting sleeve frames 5 are distributed in an up-down symmetrical mode; the support block 6 is arranged in the mounting sleeve frame 5, the mounting sleeve frame 5 and the support block 6 are positioned at the joint of the valve main body 1 and the mounting cap 101, and the support block 6 is contacted with the ball 102.
The top of the upper mounting seat 2 is provided with a limiting shaft sleeve 201, the limiting shaft sleeve 201 is fixedly connected with the upper mounting seat 2 through bolts, a top shaft lever 202 is rotatably arranged in the upper mounting seat 2 through a bearing, and the top shaft lever 202 is connected with the sphere 102;
The top end of the top shaft lever 202 is provided with a ratchet sleeve 2021, the top of the top shaft lever 202 is provided with a spline jack 2022, and the spline jack 2022 is positioned at the center of the ratchet sleeve 2021;
A driving hand rod 301 is arranged on one side of the adjusting sleeve member 3, a connecting shaft 302 is arranged at the bottom of the adjusting sleeve member 3, the adjusting sleeve member 3 is rotationally connected with the limiting shaft sleeve 201 through a bearing, a mounting cylinder 303 is arranged at the top of the adjusting sleeve member 3, and a sliding inserting rod 304 is inserted in the adjusting sleeve member 3 in a sliding manner;
The center position of the bottom end of the connecting shaft 302 is provided with a supporting sleeve frame 3021, two limit stops 3022 are arranged at the bottom end of the connecting shaft 302 and close to the peripheral position, the two limit stops 3022 are distributed in a central symmetry mode, two adjusting clamping blocks 3023 are arranged below the limit stops 3022 and distributed in a central symmetry mode, a rotating column 3024 is arranged on the adjusting clamping blocks 3023, the adjusting clamping blocks 3023 are rotationally connected with the connecting shaft 302 through the rotating column 3024, the adjusting clamping blocks 3023 are contacted with the limit stops 3022, a compression spring 3025 is arranged between the adjusting clamping blocks 3023 and the supporting sleeve frame 3021, the connecting shaft 302 is taken as an axis through a hand-held driving hand rod 301 to rotate clockwise, the elastic effect of the compression spring 3025 is utilized, the adjusting clamping blocks 3023 are in limit support through the limit stops 3022, the adjusting clamping blocks 3023 are clamped with the ratchet sleeve 2021, the top shaft 202 can be driven to rotate, and then the ball 102 is driven to rotate to complete the valve closing process.
The mounting cylinder 303 is in a cylindrical cavity structure, two guide sliding grooves 3031 are formed in the side wall of the mounting cylinder 303, the two guide sliding grooves 3031 are symmetrically distributed, two limit clamping grooves 3032 are formed in the side wall of the mounting cylinder 303, and the limit clamping grooves 3032 are located on one side of the top end of the guide sliding grooves 3031;
The bottom end of the sliding inserted rod 304 is provided with a spline rod 3041, the spline rod 3041 is matched with the spline jack 2022, the top end of the sliding inserted rod 304 is provided with a supporting baffle 3042, the supporting baffle 3042 is located in the mounting cylinder 303, the outer circumferential surface of the supporting baffle 3042 is provided with two guide sliding blocks 3043, the two guide sliding blocks 3043 are symmetrically distributed, the sliding inserted rod 304 is sleeved with a stretching spring 3044, the two ends of the stretching spring 3044 are respectively connected with the stretching spring 3044 and the top end of the adjusting sleeve 3, when the spline rod 3041 is slidably inserted in the spline jack 2022, the supporting baffle 3042 is slidably connected with the guide sliding groove 3031 of the mounting cylinder 303 through the guide sliding blocks 3043, when the spline rod 3043 slides upwards and is separated from the spline jack 2022, the guide sliding blocks 3043 are clamped with the limiting clamping grooves 3032, the guide sliding blocks 3043 are separated from the limiting clamping grooves 3032 through the rotating guide sliding blocks 3043, the stretching spring 3044 and the guiding sliding blocks 3043 downwards along the guide sliding blocks 3043 by utilizing the rebound pulling action of the stretching spring 3044, so that the sliding inserted rod 304 drives the spline rod 3041 to be downwardly adjusted through the stretching spring 3043, and the spline rod 3041, and the spline rod 2022 can be rotatably driven by the spline rod 2022 to rotate and the spline rod, and the spline jack can be rotatably driven by the adjusting sleeve body, and the top end of the mounting cylinder 303, and the spline rod can be rotatably driven by the spline jack.
Wherein, the lower mounting seat 4 is rotatably provided with a rotating shaft sleeve 401, the rotating shaft sleeve 401 is provided with a bottom shaft lever 402, and the bottom shaft lever 402 is connected with the sphere 102;
The top of the rotating shaft sleeve 401 is provided with a spline slot 4011, and the top of the rotating shaft sleeve 401 is provided with a first permanent magnet ring 4012;
The bottom shaft lever 402 bottom is equipped with spline post 4021, and spline post 4021 slides and inserts in the spline slot 4011 of rotating shaft sleeve 401, the cover is equipped with buffer spring 4022 on the spline post 4021, and buffer spring 4022 supports between rotating shaft sleeve 401 and bottom shaft lever 402, bottom shaft lever 402 bottom is equipped with second permanent magnetism ring 4023, and second permanent magnetism ring 4023 corresponds with first permanent magnetism ring 4012, through the mutually supporting of second permanent magnetism ring 4023 and first permanent magnetism ring 4012, because spline post 4021 slides and inserts in spline slot 4011, and utilize buffer spring 4022's elasticity effect to support, can make spheroid 102 obtain elastic support, to the rotatory in-process of opening of spheroid 102, can reduce the friction of spheroid 102 sealing face and valve main part 1 passageway, reduce the operating torque of spheroid 102 upper and lower axostylus axostyle simultaneously, make the spheroid 102 open and close the process more smooth, the life of valve has been promoted.
Embodiment two: please refer to fig. 10 and 11:
Wherein, the left side and the right side of the mounting sleeve frame 5 are provided with mounting side plates 501, the two mounting side plates 501 are symmetrically distributed, and a limit post 502 is arranged between the two mounting side plates 501 near the rear end;
The invention provides a mounting sleeve frame 5 and a mounting sleeve frame 5, when a ball 102 closes a channel of a valve main body 1, the mounting through groove 601 and the limiting column 502 are in sliding fit, a wedge-shaped head at the rear end of the supporting block 6 supports the ball 102 by utilizing the rebound effect of the spring plate 602, and as the wedge-shaped head of the supporting block 6 can swing up and down and back and forth, the ball 102 can be expanded to be tightly pressed with the channel of the valve main body 1, and the sealing specific pressure of the ball 102 is increased, so that the reasonable sealing requirement is met.
Specific use and action of the embodiment: in the invention, the hand-held driving hand lever 301 rotates clockwise by taking the connecting shaft 302 as the axis, the elastic action of the compression spring 3025 is utilized, the adjusting clamping block 3023 is limited and supported by the limit stop 3022, the adjusting clamping block 3023 is clamped with the ratchet sleeve 2021, the top shaft lever 202 can be driven to rotate, the ball 102 is driven to rotate to finish the valve closing process, when the connecting shaft 302 is rotated anticlockwise, the adjusting clamping block 3023 lacks the limit stop and rotates by taking the rotating column 3024 as the axis, the adjusting clamping block 3023 cannot be clamped with the ratchet sleeve 2021, and further the ball 102 cannot be controlled to rotate and open; when the valve needs to be opened, the guide sliding block 3043 is separated from the limit clamping groove 3032, the rebound pulling action of the extension spring 3044 is utilized to enable the extension spring 3044 and the guide sliding block 3043 to slide downwards along the guide sliding block 3043, the sliding inserting rod 304 drives the spline rod 3041 to be adjusted downwards, the spline rod 3041 can be inserted into the spline inserting hole 2022 in a sliding manner, and when the hand rod 301 is driven to rotate the adjusting sleeve 3 anticlockwise, the rotating top shaft lever 202 can be driven to rotate simultaneously, the rotary opening process of the sphere 102 is realized, the control opening structure is simple, and the use and the operation are convenient and flexible; through the mutual matching of the second permanent magnet ring 4023 and the first permanent magnet ring 4012, as the spline post 4021 is slidably inserted into the spline slot 4011 and is supported by the elastic action of the buffer spring 4022, the ball 102 can be elastically supported, friction between the sealing surface of the ball 102 and a channel of the valve main body 1 can be reduced in the process of rotating and opening the ball 102, and meanwhile, the operating torque of an upper shaft rod and a lower shaft rod of the ball 102 is reduced, so that the opening and closing process of the ball 102 is smoother; when the ball 102 closes the channel of the valve main body 1, the ball 102 is slidably inserted and matched with the limit post 502 through the mounting through groove 601, and the wedge-shaped head at the rear end of the supporting block 6 supports the ball 102 under the rebound action of the spring plate 602.
The foregoing is merely exemplary embodiments of the present invention and is not intended to limit the scope of the invention, which is defined by the appended claims.
Claims (5)
1. A fixed ball seat of low drop-off, its characterized in that: the valve comprises a valve main body (1), wherein an installation cap (101) is fixedly installed at the front end of the valve main body (1) through a bolt, and a ball body (102) is arranged in the valve main body (1); an upper mounting seat (2) is fixedly arranged at the top of the valve main body (1) through bolts; an adjusting sleeve (3) is arranged above the upper mounting seat (2); the bottom of the valve main body (1) is fixedly provided with a lower mounting seat (4) through bolts, the lower mounting seat (4) corresponds to the upper mounting seat (2), and a ball body (102) is positioned between the lower mounting seat (4) and the upper mounting seat (2); two mounting sleeve frames (5) are arranged in the mounting cap (101), and the two mounting sleeve frames (5) are distributed in an up-down symmetrical mode; a supporting block (6) is arranged in the mounting sleeve frame (5), the mounting sleeve frame (5) and the supporting block (6) are positioned at the joint of the valve main body (1) and the mounting cap (101), and the supporting block (6) is contacted with the ball body (102);
The top of the upper mounting seat (2) is provided with a limiting shaft sleeve (201), the limiting shaft sleeve (201) is fixedly connected with the upper mounting seat (2) through a bolt, a top shaft lever (202) is rotatably arranged in the upper mounting seat (2) through a bearing, and the top shaft lever (202) is connected with the ball body (102);
The top end of the top shaft lever (202) is provided with a ratchet sleeve (2021), the top of the top shaft lever (202) is provided with a spline jack (2022), and the spline jack (2022) is positioned at the center of the ratchet sleeve (2021);
One side of the adjusting sleeve (3) is provided with a driving hand lever (301), the bottom of the adjusting sleeve (3) is provided with a connecting shaft (302), the adjusting sleeve (3) is rotationally connected with the limiting shaft sleeve (201) through a bearing, the top of the adjusting sleeve (3) is provided with an installing cylinder (303), and a sliding inserting rod (304) is inserted in the adjusting sleeve (3);
The connecting shaft (302) is provided with a supporting sleeve frame (3021) at the center of the bottom end, two limit stops (3022) are arranged at the bottom end of the connecting shaft (302) close to the periphery, the two limit stops (3022) are distributed in a central symmetry mode, two adjusting clamping blocks (3023) are arranged below the limit stops (3022), the two adjusting clamping blocks (3023) are distributed in a central symmetry mode, a rotating column (3024) is arranged on the adjusting clamping blocks (3023), the adjusting clamping blocks (3023) are connected with the connecting shaft (302) in a rotating mode through the rotating column (3024), the adjusting clamping blocks (3023) are contacted with the limit stops (3022), and a compression spring (3025) is arranged between the adjusting clamping blocks (3023) and the supporting sleeve frame (3021);
the mounting cylinder (303) is of a cylindrical cavity structure, two guide sliding grooves (3031) are formed in the side wall of the mounting cylinder (303), the two guide sliding grooves (3031) are symmetrically distributed, two limit clamping grooves (3032) are formed in the side wall of the mounting cylinder (303), and the limit clamping grooves (3032) are located on one side of the top end of the guide sliding grooves (3031);
The sliding inserting rod (304) bottom is provided with spline rod (3041), and spline rod (3041) and spline jack (2022) assorted, sliding inserting rod (304) top is equipped with support baffle (3042), and support baffle (3042) are located mounting cylinder (303), support baffle (3042) outer peripheral face is equipped with two place direction sliders (3043), and two place direction sliders (3043) are the symmetry mode and distribute, the cover is equipped with extension spring (3044) on sliding inserting rod (304), and extension spring (3044) both ends are connected with extension spring (3044) and regulation external member (3) top respectively, when spline rod (3041) slip is in spline jack (2022), support baffle (3042) are through direction slider (3043) and guide chute (3031) sliding connection of mounting cylinder (303), when spline rod (3041) upwards slides and breaks away from spline jack (2022), guide slider (3043) and spacing draw-in groove (3032) looks joint.
2. The low dropout ball holder according to claim 1 wherein: the lower mounting seat (4) is rotatably provided with a rotating shaft sleeve (401), the rotating shaft sleeve (401) is provided with a bottom shaft lever (402), and the bottom shaft lever (402) is connected with the ball body (102).
3. The low dropout ball holder according to claim 2 wherein: a spline slot (4011) is formed in the top of the rotating shaft sleeve (401), and a first permanent magnet ring (4012) is arranged at the top of the rotating shaft sleeve (401);
the bottom shaft lever (402) bottom is equipped with spline post (4021), and spline post (4021) slip in spline slot (4011) of rotating shaft sleeve (401), and the cover is equipped with buffer spring (4022) on spline post (4021), and buffer spring (4022) support between rotating shaft sleeve (401) and bottom shaft lever (402), and bottom shaft lever (402) bottom is equipped with second permanent magnet ring (4023), and second permanent magnet ring (4023) are corresponding with first permanent magnet ring (4012).
4. The low dropout ball holder according to claim 1 wherein: the mounting sleeve frame is characterized in that mounting side plates (501) are arranged on the left side and the right side of the mounting sleeve frame (5), the two mounting side plates (501) are symmetrically distributed, and a limiting column (502) is arranged between the two mounting side plates (501) close to the rear end.
5. The low dropout ball holder according to claim 1 wherein: the supporting block (6) is provided with a mounting through groove (601), the mounting through groove (601) is of a kidney-shaped structure, the limit column (502) is in sliding fit with the mounting through groove (601), two spring plates (602) are arranged at the front end of the supporting block (6), and the spring plates (602) are supported between the supporting block (6) and the side wall of the mounting sleeve frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311479338.5A CN117345893B (en) | 2023-11-08 | 2023-11-08 | Fixed ball seat of low drop |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311479338.5A CN117345893B (en) | 2023-11-08 | 2023-11-08 | Fixed ball seat of low drop |
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| CN117345893A CN117345893A (en) | 2024-01-05 |
| CN117345893B true CN117345893B (en) | 2024-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202311479338.5A Active CN117345893B (en) | 2023-11-08 | 2023-11-08 | Fixed ball seat of low drop |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118242446A (en) * | 2024-05-29 | 2024-06-25 | 东一阀门制造(南通)有限公司 | Oxygen tank valve with good sealing performance |
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| KR101685196B1 (en) * | 2016-06-03 | 2016-12-09 | 채희관 | Device for multistage quantitative opening and closing of the ball valve |
| CN210164925U (en) * | 2019-05-24 | 2020-03-20 | 浙江利水科技股份有限公司 | Novel prevent mistake and bump high pressure gas ball valve |
| CN212804387U (en) * | 2020-06-04 | 2021-03-26 | 浙江方顿仪表阀门有限公司 | External control sealing ball valve |
| CN220622803U (en) * | 2023-06-21 | 2024-03-19 | 四川凯茨阀门制造有限公司 | Ball valve convenient to installation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113767238B (en) * | 2019-05-02 | 2024-06-25 | 斯瓦戈洛克公司 | Nut lock coupling for an actuated valve |
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- 2023-11-08 CN CN202311479338.5A patent/CN117345893B/en active Active
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| KR101685196B1 (en) * | 2016-06-03 | 2016-12-09 | 채희관 | Device for multistage quantitative opening and closing of the ball valve |
| CN210164925U (en) * | 2019-05-24 | 2020-03-20 | 浙江利水科技股份有限公司 | Novel prevent mistake and bump high pressure gas ball valve |
| CN212804387U (en) * | 2020-06-04 | 2021-03-26 | 浙江方顿仪表阀门有限公司 | External control sealing ball valve |
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| CN117345893A (en) | 2024-01-05 |
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