CN114776830A - Top-mounted ultra-low temperature ball valve - Google Patents

Top-mounted ultra-low temperature ball valve Download PDF

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Publication number
CN114776830A
CN114776830A CN202210297655.4A CN202210297655A CN114776830A CN 114776830 A CN114776830 A CN 114776830A CN 202210297655 A CN202210297655 A CN 202210297655A CN 114776830 A CN114776830 A CN 114776830A
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CN
China
Prior art keywords
valve
driving
sleeve
crank
main shaft
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.)
Granted
Application number
CN202210297655.4A
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Chinese (zh)
Other versions
CN114776830B (en
Inventor
李伟
姚建均
王茁
严涛
严珊珊
童海东
史可任
季会剑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jiangsu Shengtai Valve Co ltd
Original Assignee
Jiangsu Shengtai Valve Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jiangsu Shengtai Valve Co ltd filed Critical Jiangsu Shengtai Valve Co ltd
Priority to CN202210297655.4A priority Critical patent/CN114776830B/en
Publication of CN114776830A publication Critical patent/CN114776830A/en
Application granted granted Critical
Publication of CN114776830B publication Critical patent/CN114776830B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F16K5/08—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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
    • B08B1/16—Rigid blades, e.g. scrapers; Flexible blades, e.g. wipers
    • B08B1/165—Scrapers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
    • B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B1/00—Cleaning by methods involving the use of tools
    • B08B1/50—Cleaning by methods involving the use of tools involving cleaning of the cleaning members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • 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
    • F16K5/0636—Easy mounting or dismounting means the spherical plug being insertable from the top of the housing
    • 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
    • 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

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  • 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 top-mounted ultralow-temperature ball valve, which comprises: the valve comprises a valve body, a valve core and a sealing module, wherein the valve core is rotatably arranged in the valve body, the sealing module comprises a sealing block and a driving assembly, the sealing block is slidably arranged in the valve body and can be attached to the edge of the valve core, and the driving assembly is used for driving the sealing block to move. The invention aims to provide a top-mounted type ultralow-temperature ball valve, which is used for solving the problem that the sealing performance of the top-mounted type ball valve in an ultralow-temperature pipeline in the prior art is insufficient.

Description

Top-mounted ultra-low temperature ball valve
Technical Field
The invention relates to the technical field of top-mounted ball valves, in particular to a top-mounted ultralow-temperature ball valve.
Background
The valve is one of the most commonly used tools for controlling pipelines in daily life, the opening and closing, the flow speed, the flow direction and the like of the pipelines can be effectively controlled by using the valve, wherein the top-mounted ball valve is widely applied to pipeline flow control due to the reasons of good sealing performance and the like, as shown in figure 1, the top-mounted ball valve is required to be used for flow control in the ultralow-temperature pipeline transportation process of some special products such as natural gas and the like, at the moment, the volume of the ball valve can be changed due to the reasons of expansion caused by heat and contraction caused by cold and the like in the ultralow-temperature pipeline to influence the sealing performance, and once the pipeline is not tightly controlled, the product continues to flow, so that great danger exists, a new top-mounted ultralow-temperature ball valve needs to be designed, and the problem that the sealing performance of the top-mounted ball valve in the ultralow-temperature pipeline in the prior art is insufficient is solved.
Disclosure of Invention
The invention provides a top-mounted ultralow-temperature ball valve which is used for solving the problem that the sealing performance of the top-mounted ball valve in an ultralow-temperature pipeline in the prior art is insufficient.
Therefore, the technical scheme is that the top-mounted ultralow-temperature ball valve comprises the following components: the valve comprises a valve body, a valve core and a sealing module, wherein the valve core is rotatably arranged in the valve body, the sealing module comprises a sealing block and a driving assembly, the sealing block is slidably arranged in the valve body and can be attached to the edge of the valve core, and the driving assembly is used for driving the sealing block to move.
Preferably, a valve cavity penetrating through the valve body is horizontally arranged in the valve body, the valve core is arranged in a spherical structure and is rotatably arranged in the valve cavity, a first driving rod is arranged above the valve core, the first driving rod is vertically arranged, the lower end of the first driving rod is fixedly connected with the valve core, the first driving rod is rotatably connected with the valve body, the upper end of the first driving rod penetrates through the outside of the valve body, and a first gear is fixedly arranged at the upper end of the first driving rod; the sealing block horizontal sliding is arranged in the valve cavity, a through hole is formed in the middle of the sealing block, a second driving rod is arranged in the valve body in a rotating mode, the second driving rod is vertically arranged and connected with the valve body in a rotating mode, a second gear is fixedly arranged at the upper end of the second driving rod, the second gear is meshed with the first gear, a driving cam is fixedly arranged at the lower end of the second driving rod, and the driving cam can be abutted to the sealing block.
Preferably, a limiting sleeve is fixedly arranged in the valve cavity, the limiting sleeve is positioned on one side, away from the valve core, of the sealing block, and a return spring is fixedly arranged between the limiting sleeve and the sealing block.
Preferably, still be provided with rust-resistant subassembly in the valve intracavity, rust-resistant subassembly includes:
the first motor is embedded in the valve body, an output shaft of the first motor is vertically and downwards arranged, and a first main shaft is coaxially and fixedly arranged on the output shaft of the first motor;
the first mounting frame is fixedly arranged in the valve cavity, the first mounting frame is of a U-shaped structure, an opening of the U-shaped structure faces downwards, the first spindle penetrates through the first mounting frame and is rotatably connected with the first mounting frame, and a third bevel gear is fixedly arranged at the lower end of the first spindle;
the first mounting frame is rotatably provided with a first main shaft, the first main shaft is horizontally arranged, a first bevel gear is fixedly arranged on the first main shaft, and the first bevel gear is meshed with a first bevel gear;
the driving sleeve is sleeved on the second spindle, a driving cavity is formed in the driving sleeve, a fifth bevel gear is arranged on the second spindle in the driving cavity, the fifth bevel gear is rotatably connected with the second spindle and fixedly connected with the driving sleeve, a first convex column perpendicular to the second spindle is fixedly arranged on the second spindle, a sixth bevel gear is rotatably arranged on the first convex column and meshed with the fifth bevel gear, a second convex column is eccentrically arranged on the sixth bevel gear, a driving groove is formed in the inner wall of the driving cavity along the circumference, and the end part of the second convex column is slidably arranged in the driving groove;
the supporting sleeve is sleeved on the second main shaft, the supporting sleeve is positioned on one side, away from the first mounting frame, of the driving sleeve, and the supporting sleeve is connected with the second main shaft in a sliding mode and rotates along with the second main shaft;
the cleaning claw, the support sleeve is kept away from and is provided with two cleaning claws on the telescopic lateral wall of drive to the symmetry, the cleaning claw with the drive sleeve is articulated, and fixedly between two cleaning claws is provided with tension spring.
Preferably, an axial sliding groove is formed in the inner wall of the supporting sleeve along the axial direction, an axial sliding block is fixedly arranged on the second main shaft, and the axial sliding block is arranged in the axial sliding groove in a sliding mode.
Preferably, the driving sleeve is close to a positioning hole is formed in the side wall of the first mounting frame, a positioning block is arranged in the positioning hole in a sliding mode, the sliding direction of the positioning block is set to be the horizontal direction, and the positioning block is fixedly connected with the first mounting frame through a connecting rod.
Preferably, one end of the second spindle, which is far away from the first mounting frame, is fixedly provided with a limiting block, and the driving sleeve and the limiting sleeve are both located between the limiting block and the first mounting frame.
Preferably, the front end of the cleaning claw is arranged to be an inclined surface structure, and the inclined surface structure is located on one side, close to each other, of the cleaning claw.
Preferably, a cleaning assembly is further disposed in the valve cavity, and the cleaning assembly includes:
a second motor is fixedly arranged in the valve cavity, an output shaft of the second motor is horizontally arranged and consistent with the direction of the valve cavity, a supporting block is fixedly arranged on the output shaft of the second motor, a horizontal sleeve is fixedly arranged at one end, far away from the second motor, of the supporting block, and the horizontal sleeve is perpendicular to the output shaft of the second motor;
the periphery of the output shaft of the second motor is coaxially provided with a linkage ring, the inner wall of the linkage ring is provided with a linkage groove, the inner wall of the valve cavity is fixedly provided with an axial hydraulic cylinder, the direction of the output shaft of the axial hydraulic cylinder is consistent with that of the valve cavity, and the output shaft of the axial hydraulic cylinder is fixedly connected with the linkage ring;
the third main shaft is rotationally arranged in the horizontal sleeve, a first crank is fixedly arranged at one end of the third main shaft, the first crank is obliquely arranged, a second crank is fixedly arranged at one end, away from the third main shaft, of the first crank, a linkage block is fixedly arranged at one end, away from the first crank, of the second crank, the linkage block is arranged in a spherical structure, and the linkage block is slidably arranged in the linkage groove;
the third crank, the third main shaft other end is fixed and is provided with the third crank, the third crank perpendicular to the third main shaft, the last fixed fourth crank that is provided with of third crank, the slope of fourth crank sets up and the incline direction is kept away from gradually second motor output shaft axis, the fixed backup pad that is provided with of third crank's one end is kept away from to the fourth crank, be provided with the scraper blade in the backup pad, the scraper blade middle part with the backup pad is along articulated down, and the scraper blade upper end with fixed spacing spring that is provided with between the backup pad, the scraper blade lower extreme with valve intracavity wall butt.
Preferably, the through hole on the sealing block is fixedly provided with an abutting strip, and the abutting strip is of a cross structure.
The working principle and the beneficial effects of the invention are as follows: when the ball valve is used, when the valve is closed to needs, the rotary valve element is screwed to close the valve, the driving assembly pushes the sealing block to slide, the sealing block slides to be attached to the edge of the valve element, so that the edge of the valve element is sealed, the sealing performance of the ball valve caused by the reasons of expansion with heat, contraction with cold and the like is not enough when the low-temperature pipeline is avoided, and the sealing performance of the ball valve is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of a top-mounted ball valve in the prior art;
FIG. 2 is a schematic structural view of a top-loading type ultra-low temperature ball valve according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a rust removal assembly in the top-mounted ultralow-temperature ball valve in the embodiment of the invention;
FIG. 4 is a schematic diagram of a first cleaning assembly of the top-loading ultra-low temperature ball valve according to an embodiment of the present invention;
FIG. 5 is a schematic structural diagram of a second cleaning assembly in the top-loading type ultra-low temperature ball valve according to the embodiment of the present invention;
FIG. 6 is a schematic diagram of a support plate and a scraper in a top-mounted ultralow-temperature ball valve according to an embodiment of the present invention;
fig. 7 is a schematic structural view of an abutting strip in a top-mounted ultra-low temperature ball valve according to an embodiment of the present invention.
The reference numbers in the drawings are as follows: 1. a valve body; 11. a valve cavity; 2. a valve core; 21. a first drive lever; 22. a first gear; 3. sealing the module; 31. a sealing block; 32. a drive assembly; 321. a second drive lever; 322. a second gear; 323. a drive cam; 324. a limiting sleeve; 325. a return spring; 4. a rust-preventive component; 401. a first motor; 402. a first main shaft; 403. a first mounting bracket; 404. a third bevel gear; 405. a second main shaft; 406. a fourth bevel gear; 407. a drive sleeve; 408. a drive chamber; 409. a fifth bevel gear; 410. a first convex column; 411. a sixth bevel gear; 412. a second convex column; 413. a drive slot; 414. a support sleeve; 415. cleaning the claws; 416. a tension spring; 417. an axial chute; 418. an axial slide block; 419. positioning holes; 420. positioning blocks; 421. a limiting block; 5. cleaning the assembly; 501. a second motor; 502. a supporting block; 503. a horizontal sleeve; 504. a link ring; 505. a linkage groove; 506. an axial hydraulic cylinder; 507. a third main shaft; 508. a first crank; 509. a second crank; 510. a linkage block; 511. a third crank; 512. a fourth crank; 513. a support plate; 514. a squeegee; 515. a limiting spring; 6. an abutment bar; 7. a ball valve body; 71. a grip; 72. a transmission module.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a top-mounted ultralow-temperature ball valve, which comprises the following components in percentage by weight as shown in figure 2: the valve comprises a valve body 1, a valve core 2 and a sealing module 3, wherein the valve core 2 is rotatably arranged in the valve body 1, the sealing module 3 comprises a sealing block 31 and a driving assembly 32, the sealing block 31 is slidably arranged in the valve body 1 and can be attached to the edge of the valve core 2, and the driving assembly 32 is used for driving the sealing block 31 to move.
The working principle and the beneficial technical effects of the technical scheme are as follows: when the ball valve used, when the valve was closed to needs, twisted case 2 and closed the valve, drive assembly 32 promoted sealed piece 31 simultaneously and slided, sealed piece 31 slide to with 2 edge laminating of case to 2 edges seal up case, thereby the leakproofness that the ball valve leads to because of reasons such as expend with heat and contract with cold when avoiding low temperature pipeline to use is not enough, promotes the leakproofness of ball valve.
In one embodiment, a valve cavity 11 penetrating through the valve body 1 is horizontally arranged in the valve body 1, the valve core 2 is arranged in a spherical structure and is rotatably arranged in the valve cavity 11, a first driving rod 21 is arranged above the valve core 2, the first driving rod 21 is vertically arranged, the lower end of the first driving rod 21 is fixedly connected with the valve core 2, the first driving rod 21 is rotatably connected with the valve body 1, the upper end of the first driving rod 21 penetrates through the outside of the valve body 1, and a first gear 22 is fixedly arranged at the upper end of the first driving rod 21; sealing block 31 horizontal slip sets up in the valve pocket 11, and has seted up the through-hole in the middle of the sealing block 31, it is provided with the second actuating lever 321 still to rotate in the valve body 1, the vertical setting of second actuating lever 321 and with valve body 1 rotates to be connected, the fixed second gear 322 that is provided with in second actuating lever 321 upper end, second gear 322 with first gear 22 meshes, the fixed drive cam 323 that is provided with of second actuating lever 321 lower extreme, drive cam 323 can with sealing block 31 butt.
The working principle and the beneficial technical effects of the technical scheme are as follows: during the ball valve use, thereby rotate first actuating lever 21 and then drive case 2 and rotate and seal valve chamber 11 when needing to close the valve, first actuating lever 21 drives first gear 22 when rotating and rotates, first gear 22 drives second gear 322 through the meshing transmission and rotates, and then drives second actuating lever 321 and rotates, drives drive cam 323 when second actuating lever 321 rotates and then promotes sealed piece 31 along 11 motion of valve chamber to with case 2 butt, thereby the completion is to the sealed of case 2.
In one embodiment, a limiting sleeve 324 is fixedly disposed in the valve chamber 11, the limiting sleeve 324 is located on a side of the sealing block 31 away from the valve core 2, and a return spring 325 is fixedly disposed between the limiting sleeve 324 and the sealing block 31.
The working principle and the beneficial technical effects of the technical scheme are as follows: through setting up spacing sleeve 324 and reset spring 325, when the valve is opened once more to needs, reset spring 325 stimulates sealed piece 31 and resets to avoid sealed piece 31 and case 2 butt tension to lead to the difficult rotation of case 2, thereby promoted the practicality of device.
In one embodiment, a rust-proof component 4 is further disposed in the valve cavity 11, as shown in fig. 3, the rust-proof component 4 includes:
the first motor 401 is embedded in the valve body 1, an output shaft of the first motor 401 is arranged vertically downwards, and a first main shaft 402 is coaxially and fixedly arranged on the output shaft of the first motor 401;
a first mounting frame 403 is fixedly arranged in the valve cavity 11, the first mounting frame 403 is of a U-shaped structure, an opening of the U-shaped structure faces downward, the first spindle 402 penetrates through the first mounting frame 403 and is rotatably connected with the first mounting frame 403, and a third bevel gear 404 is fixedly arranged at the lower end of the first spindle 402;
a second spindle 405, wherein the first mounting bracket 403 is rotatably provided with the second spindle 405, the second spindle 405 is horizontally arranged, the second spindle 405 is fixedly provided with a fourth bevel gear 406, and the fourth bevel gear 406 is engaged with the third bevel gear 404;
a driving sleeve 407, the second spindle 405 is sleeved with the driving sleeve 407, a driving cavity 408 is formed in the driving sleeve 407, a fifth bevel gear 409 is arranged on the second spindle 405 in the driving cavity 408, the fifth bevel gear 409 is rotatably connected with the second spindle 405, the fifth bevel gear 409 is fixedly connected with the driving sleeve 407, a first convex column 410 perpendicular to the second spindle 405 is fixedly arranged on the second spindle 405, a sixth bevel gear 411 is rotatably arranged on the first convex column 410, the sixth bevel gear 411 is engaged with the fifth bevel gear 409, a second convex column 412 is eccentrically arranged on the sixth bevel gear 411, a driving groove 413 is formed in the inner wall of the driving cavity 408 along the circumference, and the end of the second convex column 412 is slidably arranged in the driving groove 413;
a support sleeve 414, wherein the second spindle 405 is sleeved with the support sleeve 414, the support sleeve 414 is located on one side of the driving sleeve 407 away from the first mounting bracket 403, and the support sleeve 414 is slidably connected with the second spindle 405 and rotates with the second spindle 405;
two cleaning claws 415 are symmetrically arranged on the side wall of the supporting sleeve 414 far away from the driving sleeve 407, the cleaning claws 415 are hinged with the driving sleeve 407, and a tension spring 416 is fixedly arranged between the two cleaning claws 415.
The working principle and the beneficial technical effects of the technical scheme are as follows: when the ball valve is used, impurities are condensed on the surface of the valve element 2 due to condensation of the impurities or transported substances, the impurities corrode the surface of the valve element 2 when the ball valve is used for a long time, the valve element 2 is damaged, meanwhile, the sealing performance of the ball valve is affected, at the moment, the impurities on the surface of the valve element 2 need to be removed through the antirust assembly 4, when the antirust assembly 4 is used, the first motor 401 is started to drive the first main shaft 402 to rotate, the first main shaft 402 drives the third bevel gear 404 to rotate when rotating, the third bevel gear 404 drives the second main shaft 405 to rotate through meshing transmission with the fourth bevel gear 406, when the second main shaft 405 rotates, the first convex column 410 drives the sixth bevel gear 411 to revolve, when the sixth bevel gear 411 rotates through meshing with the fifth bevel gear, when the sixth bevel gear 411 rotates, the second convex column 412 is driven to rotate together, and because the second convex column 412 is eccentrically arranged, therefore, the second convex column 412 drives the driving sleeve 407 to axially slide along the second main shaft 405 in a reciprocating manner through the driving groove 413, the driving sleeve 407 abuts against the supporting sleeve 414 to push the supporting sleeve 414 to axially move when sliding in a reciprocating manner, the cleaning claw 415 slides along the arc surface of the valve element 2 and gradually expands when the supporting sleeve 414 moves forwards, meanwhile, the second main shaft 405 drives the cleaning claw 415 to rotate through the supporting sleeve 414, so that impurities condensed on the surface of the valve element 2 are removed, and meanwhile, the cleaning claw 415 can be always attached to the surface of the valve element 2 through the arrangement of the tension spring 416, so that the cleaning effect is improved; meanwhile, the reciprocating impact of the driving sleeve 407 can not only improve the cleaning effect, but also shake off the impurities adhered to the front end of the cleaning claw 415, so that the practicability of the device is improved.
In one embodiment, an axial sliding groove 417 is axially formed in an inner wall of the supporting sleeve 414, an axial sliding block 418 is fixedly disposed on the second main shaft 405, and the axial sliding block 418 is slidably disposed in the axial sliding groove 417.
The working principle and the beneficial technical effects of the technical scheme are as follows: through setting up axial spout 417 and axial slider 418, restrict the motion of support sleeve 414, can guarantee that support sleeve 414 only takes place the axial slip and not rotate with second main shaft 405 relatively to guarantee that support sleeve 414 can stabilize along with second main shaft 405 rotates, thereby promote clean effect.
In one embodiment, a positioning hole 419 is formed in a side wall of the driving sleeve 407 close to the first mounting bracket 403, a positioning block 420 is slidably disposed in the positioning hole 419, a sliding direction of the positioning block 420 is set to be a horizontal direction, and the positioning block 420 is fixedly connected to the first mounting bracket 403 through a connecting rod.
The working principle and the beneficial technical effects of the technical scheme are as follows: through the arrangement of the positioning hole 419 and the positioning block 420, the movement of the driving sleeve 407 is limited, so that the driving sleeve 407 does not rotate along with the second spindle 405, and further, the meshing driving between the fifth bevel gear 409 and the sixth bevel gear 411 can be more stable, and the situation that the fifth bevel gear 409 and the sixth bevel gear 411 are not meshed due to the fact that the driving sleeve 407 rotates along with the second spindle 405 and is relatively static is avoided, and therefore the driving process is more stable.
In one embodiment, a stop block 421 is fixedly disposed at an end of the second main shaft 405 away from the first mounting frame 403, and the driving sleeve 407 and the stop sleeve 324 are both located between the stop block 421 and the first mounting frame 403.
The working principle and the beneficial technical effects of the technical scheme are as follows: by arranging the limiting block 421, the supporting sleeve 414 can be prevented from being separated from the second main shaft 405 due to excessive sliding when the supporting sleeve 414 slides along the second main shaft 405, so that the stability of the device is improved.
In one embodiment, the front ends of the cleaning claws 415 are arranged in a slope structure, and the slope structure is located at the side where the cleaning claws 415 are close to each other.
The working principle and the beneficial technical effects of the technical scheme are as follows: through setting up the clearance claw 415 front end into the inclined plane structure, can make clearance claw 415 front end can laminate with case 2 surface better to promote the clearance effect, clearance claw 415 front end sets up to the inclined plane structure simultaneously and also can avoid the too much impurity of adhesion to influence follow-up clearance.
In one embodiment, a cleaning assembly 5 is further disposed in the valve cavity 11, as shown in fig. 4 to 6, the cleaning assembly 5 includes:
a second motor 501 is fixedly arranged in the valve cavity 11, an output shaft of the second motor 501 is horizontally arranged and is consistent with the direction of the valve cavity 11, a supporting block 502 is fixedly arranged on the output shaft of the second motor 501, a horizontal sleeve 503 is fixedly arranged at one end, far away from the second motor 501, of the supporting block 502, and the horizontal sleeve 503 is perpendicular to the output shaft of the second motor 501;
the periphery of the output shaft of the second motor 501 is coaxially provided with a linkage ring 504, the inner wall of the linkage ring 504 is provided with a linkage groove 505, the inner wall of the valve cavity 11 is fixedly provided with an axial hydraulic cylinder 506, the direction of the output shaft of the axial hydraulic cylinder 506 is consistent with the direction of the valve cavity 11, and the output shaft of the axial hydraulic cylinder 506 is fixedly connected with the linkage ring 504;
a third main shaft 507 is rotationally arranged in the horizontal sleeve 503, a first crank 508 is fixedly arranged at one end of the third main shaft 507, the first crank 508 is obliquely arranged, a second crank 509 is fixedly arranged at one end, far away from the third main shaft 507, of the first crank 508, a linkage block 510 is fixedly arranged at one end, far away from the first crank 508, of the second crank 509, the linkage block 510 is arranged in a sphere structure, and the linkage block 510 is slidably arranged in the linkage groove 505;
third crank 511, third main shaft 507 other end is fixed and is provided with third crank 511, third crank 511 is perpendicular to third main shaft 507, the last fixed fourth crank 512 that is provided with of third crank 511, the slope of fourth crank 512 sets up and the incline direction is kept away from gradually second motor 501 output shaft axis, the one end that third crank 511 was kept away from to fourth crank 512 is fixed and is provided with backup pad 513, be provided with scraper blade 514 on the backup pad 513, scraper blade 514 middle part with backup pad 513 is down along articulated, and scraper blade 514 upper end with fixed spacing spring 515 that is provided with between the backup pad 513, scraper blade 514 lower extreme with valve chamber 11 inner wall butt.
The working principle and the beneficial technical effects of the technical scheme are as follows: when the ball valve is used for a long time, more impurities are adhered to the inner surface of the valve cavity 11, and at the moment, the impurities also need to be cleaned, so that the use is prevented from being influenced by the excessive impurities, when the cleaning assembly 5 is used, the second motor 501 is started to drive the supporting block 502 to rotate, the supporting block 502 drives the supporting plate 513 to rotate sequentially through the horizontal sleeve 503, the third crank 511 and the fourth crank 512 when rotating, at the moment, the scraper 514 is abutted against the inner surface of the valve cavity 11 to clean the condensed impurities on the inner surface of the valve cavity 11, meanwhile, the axial hydraulic cylinder 506 pushes the linkage ring 504 to reciprocate along the axial direction, the linkage ring 504 drives the third main shaft 507 to rotate through the first crank 508 and the second crank 509 when moving forwards, when the third main shaft 507 rotates, the inclination angles of the third crank 511 and the fourth crank 512 are changed, so that the fourth crank 512 is driven to swing, and when the fourth crank 512 swings, the distance between the end of the fourth crank 512 and the supporting block 502 is changed, at this moment, the pulling force of the limiting spring 515 enables the scraper 514 to be still kept in abutting connection with the inner surface of the valve cavity 11, so that the scraping range can be enlarged by scraping the areas in different ranges, meanwhile, the lower surface of the scraper 514 is not subjected to excessive stress when abutted against the inner wall of the valve cavity 11 through the connection of the limiting spring 515, the damage of the scraper 514 to the inner surface of the valve cavity 11 is avoided, and the practicability of the lifting device is improved.
In one embodiment, as shown in fig. 7, an abutting strip 6 is fixedly arranged at the through hole of the sealing block 31, and the abutting strip 6 is arranged in a cross structure.
The working principle and the beneficial technical effects of the technical scheme are as follows: because the middle of the sealing block 31 is provided with the through hole, the abutting strip 6 with a cross structure is arranged, when the driving cam 323 rotates, the driving cam 323 can be in contact with the abutting strip 6, the phenomenon that the driving cam 323 is separated from the sealing block 31 to cause incapability of pushing is avoided, and therefore the stability of the device is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (10)

1. The utility model provides a top mounted formula ultra-low temperature ball valve which characterized in that includes: the valve comprises a valve body (1), a valve core (2) and a sealing module (3), wherein the valve core (2) is rotatably arranged in the valve body (1), the sealing module (3) comprises a sealing block (31) and a driving assembly (32), the sealing block (31) is slidably arranged in the valve body (1) and can be attached to the edge of the valve core (2), and the driving assembly (32) is used for driving the sealing block (31) to move.
2. The top-mounted ultralow-temperature ball valve according to claim 1, wherein a valve cavity (11) penetrating through the valve body (1) is horizontally arranged in the valve body (1), the valve core (2) is arranged in a spherical structure and rotatably arranged in the valve cavity (11), a first driving rod (21) is arranged above the valve core (2), the first driving rod (21) is vertically arranged, the lower end of the first driving rod is fixedly connected with the valve core (2), the first driving rod (21) is rotatably connected with the valve body (1), the upper end of the first driving rod penetrates through the outside of the valve body (1), and a first gear (22) is fixedly arranged at the upper end of the first driving rod (21); sealed piece (31) horizontal slip sets up in valve pocket (11), and has seted up the through-hole in the middle of sealed piece (31), it is provided with second actuating lever (321) still to rotate in valve body (1), the vertical setting of second actuating lever (321) and with valve body (1) rotate and connect, second actuating lever (321) upper end is fixed and is provided with second gear (322), second gear (322) with first gear (22) meshing, second actuating lever (321) lower extreme is fixed and is provided with drive cam (323), drive cam (323) can with sealed piece (31) butt.
3. The top-loading ultralow temperature ball valve as set forth in claim 2, wherein a limiting sleeve (324) is fixedly arranged in the valve cavity (11), the limiting sleeve (324) is positioned on the side of the sealing block (31) far away from the valve core (2), and a return spring (325) is fixedly arranged between the limiting sleeve (324) and the sealing block (31).
4. The top-loading ultra-low temperature ball valve according to claim 2, wherein a rust-proof assembly (4) is further disposed in the valve cavity (11), and the rust-proof assembly (4) comprises:
the first motor (401) is embedded in the valve body (1), an output shaft of the first motor (401) is arranged vertically downwards, and a first main shaft (402) is fixedly arranged on the output shaft of the first motor (401) coaxially;
the first mounting frame (403) is fixedly arranged in the valve cavity (11), the first mounting frame (403) is of a U-shaped structure, an opening of the U-shaped structure faces downwards, the first spindle (402) penetrates through the first mounting frame (403) and is rotatably connected with the first mounting frame (403), and a third bevel gear (404) is fixedly arranged at the lower end of the first spindle (402);
the first mounting frame (403) is rotatably provided with a second main shaft (405), the second main shaft (405) is horizontally arranged, a fourth bevel gear (406) is fixedly arranged on the second main shaft (405), and the fourth bevel gear (406) is meshed with the third bevel gear (404);
a driving sleeve (407), the second main shaft (405) is sleeved with the driving sleeve (407), a driving cavity (408) is formed in the driving sleeve (407), a fifth bevel gear (409) is arranged on the second spindle (405) in the driving cavity (408), the fifth bevel gear (409) is rotatably connected with the second spindle (405), a fifth bevel gear (409) is fixedly connected with a driving sleeve (407), a first convex column (410) vertical to the second main shaft (405) is fixedly arranged on the second main shaft (405), a sixth bevel gear (411) is rotatably arranged on the first convex column (410), the sixth bevel gear (411) is meshed with the fifth bevel gear (409), a second convex column (412) is eccentrically arranged on the sixth bevel gear (411), a driving groove (413) is arranged on the inner wall of the driving cavity (408) along the circumference, the end part of the second convex column (412) is arranged in the driving groove (413) in a sliding manner;
the supporting sleeve (414) is sleeved on the second spindle (405), the supporting sleeve (414) is located on one side, away from the first mounting frame (403), of the driving sleeve (407), and the supporting sleeve (414) is connected with the second spindle (405) in a sliding mode and rotates along with the second spindle (405);
the cleaning device comprises cleaning claws (415), two cleaning claws (415) are symmetrically arranged on the side wall, away from a driving sleeve (407), of the supporting sleeve (414), the cleaning claws (415) are hinged to the driving sleeve (407), and tension springs (416) are fixedly arranged between the two cleaning claws (415).
5. The top-loading type ultralow-temperature ball valve according to claim 4, wherein an axial sliding groove (417) is axially formed in the inner wall of the supporting sleeve (414), an axial sliding block (418) is fixedly arranged on the second spindle (405), and the axial sliding block (418) is slidably arranged in the axial sliding groove (417).
6. The top-loading type ultralow-temperature ball valve according to claim 4, wherein a positioning hole (419) is formed in a side wall of the driving sleeve (407) close to the first mounting frame (403), a positioning block (420) is slidably arranged in the positioning hole (419), a sliding direction of the positioning block (420) is set to be a horizontal direction, and the positioning block (420) is fixedly connected with the first mounting frame (403) through a connecting rod.
7. The top-loading type ultralow-temperature ball valve as claimed in claim 4, wherein a limit block (421) is fixedly arranged at one end of the second main shaft (405) far away from the first mounting frame (403), and the driving sleeve (407) and the limit sleeve (324) are both located between the limit block (421) and the first mounting frame (403).
8. The top-loading type ultra-low temperature ball valve as claimed in claim 4, wherein the front end of the cleaning claw (415) is provided with a slope structure, and the slope structure is located at the side where the cleaning claws (415) are close to each other.
9. The top-loading ultra-low temperature ball valve of claim 2, wherein a cleaning assembly (5) is further disposed in the valve chamber (11), and the cleaning assembly (5) comprises:
the second motor (501) is fixedly arranged in the valve cavity (11), an output shaft of the second motor (501) is horizontally arranged and is consistent with the direction of the valve cavity (11), a supporting block (502) is fixedly arranged on the output shaft of the second motor (501), a horizontal sleeve (503) is fixedly arranged at one end, far away from the second motor (501), of the supporting block (502), and the horizontal sleeve (503) is perpendicular to the output shaft of the second motor (501);
the linkage ring (504) is coaxially arranged on the periphery of an output shaft of the second motor (501), a linkage groove (505) is formed in the inner wall of the linkage ring (504), an axial hydraulic cylinder (506) is fixedly arranged on the inner wall of the valve cavity (11), the direction of an output shaft of the axial hydraulic cylinder (506) is consistent with that of the valve cavity (11), and the output shaft of the axial hydraulic cylinder (506) is fixedly connected with the linkage ring (504);
the horizontal sleeve (503) is rotatably provided with a third main shaft (507), one end of the third main shaft (507) is fixedly provided with a first crank (508), the first crank (508) is obliquely arranged, one end, far away from the third main shaft (507), of the first crank (508) is fixedly provided with a second crank (509), one end, far away from the first crank (508), of the second crank (509) is fixedly provided with a linkage block (510), the linkage block (510) is of a sphere structure, and the linkage block (510) is arranged in the linkage groove (505) in a sliding mode;
third crank (511), third main shaft (507) other end is fixed and is provided with third crank (511), third crank (511) perpendicular to third main shaft (507), fixed fourth crank (512) that is provided with on third crank (511), fourth crank (512) slope sets up and the incline direction is kept away from gradually second motor (501) output shaft axis, the one end that third crank (511) were kept away from in fourth crank (512) is fixed and is provided with backup pad (513), be provided with scraper blade (514) on backup pad (513), scraper blade (514) middle part with backup pad (513) are down along articulated, and scraper blade (514) upper end with fixed spacing spring (515) of being provided with between backup pad (513), scraper blade (514) lower extreme with valve chamber (11) inner wall butt.
10. The top-loading type ultralow-temperature ball valve as claimed in claim 2, wherein an abutting strip (6) is fixedly arranged at the through hole of the sealing block (31), and the abutting strip (6) is of a cross structure.
CN202210297655.4A 2022-03-24 2022-03-24 Top-mounted ultra-low temperature ball valve Active CN114776830B (en)

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Application Number Priority Date Filing Date Title
CN202210297655.4A CN114776830B (en) 2022-03-24 2022-03-24 Top-mounted ultra-low temperature ball valve

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Application Number Priority Date Filing Date Title
CN202210297655.4A CN114776830B (en) 2022-03-24 2022-03-24 Top-mounted ultra-low temperature ball valve

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CN114776830B CN114776830B (en) 2023-08-25

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239833A (en) * 1975-09-25 1977-03-28 Kitazawa Shoji Kk Ball valve
US4023773A (en) * 1976-01-28 1977-05-17 Georg Fischer Aktiengesellschaft True union ball valve
WO2016107494A1 (en) * 2014-12-31 2016-07-07 上海鸿研物流技术有限公司 Valve and spool assembly thereof
CN210461768U (en) * 2019-08-30 2020-05-05 金星阀门有限公司 High pressure resistant multi-group valve
CN112240410A (en) * 2020-09-29 2021-01-19 国工控股集团有限公司 All-welded high-wear-resistance and high-hardness sealing ball valve and manufacturing process thereof
CN112555446A (en) * 2020-11-19 2021-03-26 胡伟校 Ball valve with high sealing performance
CN213419974U (en) * 2020-09-23 2021-06-11 天津奥合科技发展有限公司 Automatic compensation hard seal high-pressure ball valve
CN213954408U (en) * 2020-10-21 2021-08-13 天津澳特斯阀门制造有限公司 Valve seat based on multiple sealing structure waterproof technology
CN215950462U (en) * 2021-11-01 2022-03-04 杭州生宝阀业有限公司 High-sealing eccentric adjusting ball valve

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5239833A (en) * 1975-09-25 1977-03-28 Kitazawa Shoji Kk Ball valve
US4023773A (en) * 1976-01-28 1977-05-17 Georg Fischer Aktiengesellschaft True union ball valve
WO2016107494A1 (en) * 2014-12-31 2016-07-07 上海鸿研物流技术有限公司 Valve and spool assembly thereof
CN210461768U (en) * 2019-08-30 2020-05-05 金星阀门有限公司 High pressure resistant multi-group valve
CN213419974U (en) * 2020-09-23 2021-06-11 天津奥合科技发展有限公司 Automatic compensation hard seal high-pressure ball valve
CN112240410A (en) * 2020-09-29 2021-01-19 国工控股集团有限公司 All-welded high-wear-resistance and high-hardness sealing ball valve and manufacturing process thereof
CN213954408U (en) * 2020-10-21 2021-08-13 天津澳特斯阀门制造有限公司 Valve seat based on multiple sealing structure waterproof technology
CN112555446A (en) * 2020-11-19 2021-03-26 胡伟校 Ball valve with high sealing performance
CN215950462U (en) * 2021-11-01 2022-03-04 杭州生宝阀业有限公司 High-sealing eccentric adjusting ball valve

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