CN116733999A - Top-mounted fixed ball valve convenient for on-line quick inspection and maintenance - Google Patents
Top-mounted fixed ball valve convenient for on-line quick inspection and maintenance Download PDFInfo
- Publication number
- CN116733999A CN116733999A CN202311020218.9A CN202311020218A CN116733999A CN 116733999 A CN116733999 A CN 116733999A CN 202311020218 A CN202311020218 A CN 202311020218A CN 116733999 A CN116733999 A CN 116733999A
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- Prior art keywords
- valve seat
- seat
- maintenance
- ball valve
- annular
- Prior art date
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- Granted
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 27
- 238000007689 inspection Methods 0.000 title claims abstract description 17
- 230000000903 blocking effect Effects 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract 2
- 238000003801 milling Methods 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003825 pressing Methods 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 abstract description 5
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005096 rolling process Methods 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
- 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
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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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a ball valve, in particular to a top-mounted fixed ball valve convenient for on-line rapid inspection and maintenance. The invention provides an upper-mounted fixed ball valve which is convenient for on-line quick inspection and maintenance, comprising a lower valve seat and the like; the lower valve seat is connected with the upper valve seat through a fastening component, the lower part of the upper valve seat is chamfered by 45 degrees, the chamfer diameter is 3cm, the right side of the lower valve seat is connected with a blocking component for blocking water flow, and the blocking component is provided with a triggering component for triggering the fastening component to compress the lower valve seat and the upper valve seat. According to the invention, through the cooperation of the fastening component, the blocking component and the triggering component, when the valve body is maintained, the blocking component firstly closes the valve body, so that liquid is prevented from flowing out, and the subsequent maintenance is facilitated; according to the invention, after the valve body is closed, the trigger assembly triggers all the pressing wheels to move outwards at one time, so that the upper valve seat can be quickly loosened, and the problem that a large number of bolts are detached in the prior valve body maintenance is avoided.
Description
Technical Field
The invention relates to a ball valve, in particular to a top-mounted fixed ball valve convenient for on-line rapid inspection and maintenance.
Background
The ball valve is a valve which is turned around the central line of valve body to open and close, and is mainly used for cutting off, distributing and changing the flow direction of medium in pipeline, and it can be tightly closed only by rotating 90 deg. and small turning moment.
At present, the ball valve is usually designed by an upper mounting type structure, namely, a top structure is locked and fixed through a plurality of groups of bolts and can be detached and opened, a valve body is not required to be detached from a pipeline, so that the check and maintenance can be performed, and the production stopping time is reduced, and the benefit is improved.
Disclosure of Invention
In order to overcome the defect that the maintenance of the existing upper-mounted fixed ball valve is inconvenient to detach, the invention provides an upper-mounted fixed ball valve which is convenient for on-line rapid inspection and maintenance.
The technical scheme of the invention is as follows: the utility model provides a fixed ball valve of upper assembling formula convenient to online quick inspection maintenance, includes disk seat, goes up disk seat, fastening component, blocks the subassembly and triggers the subassembly, the disk seat passes through fastening component with last disk seat and is connected down, go up disk seat lower part chamfer 45, chamfer diameter 3cm, the disk seat right side is connected with the subassembly that blocks that is used for blockking the rivers down, be equipped with on the subassembly that blocks and trigger the fastening component and compress tightly disk seat and last disk seat down.
Further, fastening assembly is including square board, annular board, slide shaft, briquetting and pinch roller, square board fixed mounting is on lower disk seat upper portion, square board bottom rotates and installs the annular board, evenly spaced opens on the annular board has two at least arc spouts, equal sliding connection has the slide shaft in the arc spout, evenly spaced open on the square board have the straight line spout the same with arc spout quantity, all slide in the straight line spout and set up the briquetting, the briquetting is the shape of falling L, the slide shaft fixed connection of briquetting bottom and below, the pinch roller is all installed on briquetting upper portion, pinch roller bottom and the chamfer face contact of last disk seat.
Further, the blocking assembly comprises a connecting pipe, a hollow plate, a baffle, a screw rod, a switching block, a mounting shell, a worm gear, a worm and a handle, wherein the connecting pipe is fixedly connected to an outlet of an upper valve seat, the hollow plate is arranged in the middle of the connecting pipe, the baffle which slides vertically is arranged in the hollow plate, the screw rod parallel to the hollow plate is fixedly connected to the lower part of the hollow plate, the switching block is connected to the screw rod, the top end of the switching block is fixedly connected with the baffle, the mounting shell is mounted on the upper part of the hollow plate and covers the upper end of the screw rod, the worm gear meshed with the worm gear is rotatably mounted on the mounting shell, and the handle is detachably connected to the front end of the worm.
Further, the trigger assembly comprises a cylinder, a clamping shaft, a gear and an arc-shaped rack, the cylinder is rotatably arranged at the top of a connecting pipe between the annular plate and the hollow plate, a milling groove is formed in the cylinder, one end of the clamping shaft is fixedly arranged at the top of the baffle, the other end of the clamping shaft is in sliding connection with the milling groove, the lower part of the cylinder is connected with the gear in a key manner, and the arc-shaped rack meshed with the gear is fixedly connected to the annular plate.
Further, still including the chucking subassembly, the chucking subassembly is installed between baffle and hollow slab, the chucking subassembly is used for fixed blocking subassembly and the fastening assembly, the chucking subassembly is including connecting rod and hasp, the connecting rod is fixed at the baffle top, square hole has all been opened on connecting rod upper portion and lower part, hollow slab is close to connecting rod one side and sets up the hasp, the hasp passes through square hole on the connecting rod, fixes the connecting rod.
Further, the valve further comprises pins, at least two pin holes are formed in the contact surface of the lower valve seat and the upper valve seat, the pins are inserted into the pin holes of the lower valve seat, and the upper half part of the pins is arranged in the pin holes of the upper valve seat.
Further, the pin holes on the lower valve seat and the upper valve seat are round through holes, the pin is cylindrical, the diameters of the pin and the pin hole are the same, and the diameters of the pin and the pin hole are larger than or equal to 6mm.
Further, the valve further comprises a sealing ring, and the sealing ring is arranged between the contact surfaces of the lower valve seat and the upper valve seat.
Further, the device also comprises an annular seat and ejector rods, wherein the annular seat capable of sliding vertically is arranged on the upper portion of the lower valve seat, at least two trapezoid grooves are formed in the lower portion of the annular seat, the ejector rods with the same number as those of the trapezoid grooves are arranged at the bottoms of annular plates outside the trapezoid grooves, and the upper side faces of the ejector rods are in contact with the lower side faces of the trapezoid grooves.
Compared with the prior art, the invention has the following advantages: 1. according to the invention, through the cooperation of the fastening component, the blocking component and the triggering component, when the valve body is maintained, the blocking component firstly closes the valve body, so that liquid is prevented from flowing out, and the subsequent maintenance is facilitated;
2. according to the invention, after the valve body is closed, the trigger assembly triggers all the pinch rollers to move outwards at one time, so that the upper valve seat can be quickly loosened, and the problem that a large number of bolts are detached in the prior valve body maintenance is avoided;
3. according to the invention, the pin with the diameter larger than 6mm is selected, the limit of the lower valve seat and the upper valve seat can be more stable, the subsequent disassembly is convenient, and the sealing ring is arranged between the lower valve seat and the upper valve seat, so that the tightness between the lower valve seat and the upper valve seat can be improved;
4. according to the invention, the annular seat is propped against the contact surface of the lower valve seat and the upper valve seat, the annular seat applies upward force to the lower valve seat, and the pinch roller applies downward force to the upper valve seat, so that the lower valve seat and the upper valve seat are more stably installed.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic perspective view of another view of the present invention.
FIG. 3 is a schematic perspective view of the lower valve seat, upper valve seat, seal ring and annular seat of the present invention.
Fig. 4 is a schematic perspective view of the pin, seal ring and annular seat of the present invention.
Fig. 5 is a schematic perspective view of the fastening assembly of the present invention.
Fig. 6 is a schematic perspective view of the bottom of the fastening assembly of the present invention.
Fig. 7 is a schematic perspective view of the top of the fastening assembly of the present invention.
Fig. 8 is a schematic perspective view of a blocking assembly and a triggering assembly according to the present invention.
Fig. 9 is a schematic perspective view of the worm gear, worm and handle of the present invention.
Fig. 10 is a schematic perspective view of a trigger assembly according to the present invention.
Fig. 11 is a schematic perspective view of a clamping assembly according to the present invention.
Fig. 12 is a schematic perspective view of the annular seat and the ejector rod of the present invention.
Wherein the above figures include the following reference numerals: 1: lower disk seat, 2: upper valve seat, 3: fastening assembly, 31: square plate, 32: annular plate, 33: arc chute, 34: slide shaft, 35: linear chute, 36: briquetting, 37: pinch roller, 4: blocking assembly, 41: connecting pipe, 42: hollow slab, 43: baffle, 44: screw rod, 45: a transfer block, 46: mounting shell, 47: worm gear, 48: worm, 49: handle, 5: trigger assembly, 51: cylinder, 52: milling grooves, 53: clamping shaft, 54: gear, 55: arc rack, 6: clamping assembly, 61: connecting rod, 62: square hole, 63: lock catch, 7: pin, 8: pin hole, 9: sealing ring, 10: annular seat, 11: trapezoid groove, 12: and (5) a push rod.
Description of the embodiments
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.
Example 1: the utility model provides a fixed ball valve of upper assembling formula convenient to on-line quick inspection maintenance, is shown as fig. 1-10, including lower disk seat 1, upper disk seat 2, fastening component 3, stop subassembly 4 and trigger subassembly 5, lower disk seat 1 is connected through fastening component 3 with upper disk seat 2, and fastening component 3 is fixed down disk seat 1 and upper disk seat 2 through the mode of compressing tightly, upper disk seat 2 edge chamfer 45, chamfer diameter 3cm, lower disk seat 1 right side is connected with and is used for stopping the subassembly 4 of rivers, be equipped with on the subassembly 4 and trigger subassembly 5 that trigger fastening component 3 will compress tightly down disk seat 1 and upper disk seat 2.
When maintaining the ball valve, at first, seal the right side of lower disk seat 1 through blocking subassembly 4, prevent that liquid from flowing through, blocking subassembly 4 rethread trigger assembly 5 is loosen fastening assembly 3, then take off last disk seat 2 from lower disk seat 1 and maintain, after the ball valve maintenance is accomplished, reset last disk seat 2, the rethread blocks subassembly 4 and triggers trigger assembly 5, trigger assembly 5 drives fastening assembly 3 work, fix last disk seat 2 on lower disk seat 1, block subassembly 4 later and open, no longer block the right side of lower disk seat 1, liquid can circulate.
As shown in fig. 5-7, the fastening assembly 3 comprises a square plate 31, an annular plate 32, sliding shafts 34, pressing blocks 36 and pressing wheels 37, wherein the square plate 31 is fixedly arranged on the upper portion of the lower valve seat 1 in a welding or bolt connection mode, the annular plate 32 is rotatably arranged at the bottom of the square plate 31, four arc-shaped sliding grooves 33 are uniformly formed in the annular plate 32 at intervals, the sliding shafts 34 are slidably connected in the arc-shaped sliding grooves 33, balls are arranged on contact surfaces of the sliding shafts 34 and the arc-shaped sliding grooves 33 so as to reduce friction force of the sliding shafts 34, linear sliding grooves 35 with the same quantity as the arc-shaped sliding grooves 33 are uniformly formed in the square plate 31 at intervals, the pressing blocks 36 are uniformly arranged on the contact surfaces of the linear sliding grooves 35 in a rolling mode, the pressing blocks 36 are in an inverted-L shape, the bottoms of the pressing blocks 36 are fixedly connected with the sliding shafts 34 below, the pressing wheels 37 are uniformly arranged on the upper portions of the pressing blocks 36, and the bottoms of the pressing blocks 37 are in contact with the chamfer surfaces of the upper valve seat 2.
As shown in fig. 1, fig. 2, fig. 8 and fig. 9, the blocking assembly 4 comprises a connecting pipe 41, a hollow plate 42, a baffle 43, a screw rod 44, an adapter block 45, a mounting shell 46, a worm gear 47, a worm 48 and a handle 49, wherein the connecting pipe 41 is fixedly connected with an outlet on the right side of the upper valve seat 2 through bolts, the hollow plate 42 is mounted in the middle of the connecting pipe 41 in a welding mode, the hollow plate 42 is communicated with the connecting pipe 41, the baffle 43 which slides vertically is mounted in the hollow plate 42, the screw rod 44 which is vertically parallel to the hollow plate 42 is fixedly connected with the lower part of the hollow plate 42, the adapter block 45 is connected with the screw rod 44 through threads, the top end of the adapter block 45 is fixedly connected with the baffle 43 through bolts, the mounting shell 46 is mounted on the upper part of the hollow plate 42 and covers the upper end of the screw rod 44, the upper end of the screw rod 44 is connected with the worm gear 47 through a key, the worm gear 47 is mounted in the mounting shell 46 in a rotating mode, the worm 48 meshed with the worm gear 47 is mounted in the mounting shell 46, and the front end of the worm 48 is detachably connected with the handle 49.
As shown in fig. 1, 2, 8 and 10, the trigger assembly 5 comprises a cylinder 51, a clamping shaft 53, a gear 54 and an arc-shaped rack 55, wherein the cylinder 51 is rotatably installed at the top of a connecting pipe 41 between the annular plate 32 and the hollow plate 42, a milling groove 52 is formed in the cylinder 51, the upper half part of the milling groove 52 is linear, the lower part of the milling groove 52 is threaded, the right end of the clamping shaft 53 is fixedly installed at the top of the baffle 43, the left end of the clamping shaft 53 is in sliding connection with the milling groove 52, the gear 54 is connected with the lower part of the cylinder 51 in a key manner, and the arc-shaped rack 55 meshed with the gear 54 is fixedly connected to the annular plate 32 through bolts.
When the ball valve is maintained, the handle 49 is rotated firstly, the worm wheel 47 is driven to rotate through the worm 48, the screw rod 44 is driven to rotate, the rotating block 45 is driven to move downwards, the baffle 43 moves downwards to block the right side of the lower valve seat 1 firstly, meanwhile, the baffle 43 moves downwards to drive the clamping shaft 53 to move downwards, the clamping shaft 53 moves at the linear part of the milling groove 52 firstly, after the baffle 43 moves downwards to block the right side of the lower valve seat 1, the clamping shaft 53 passes through the threaded part of the milling groove 52, the clamping shaft 53 continues to move downwards under the action of the baffle 43, the clamping shaft 53 pushes the cylinder 51 to rotate clockwise, the gear 54 is driven to rotate clockwise, the arc-shaped rack 55 is driven to rotate anticlockwise, the annular plate 32 rotates anticlockwise, the annular plate 32 pushes the sliding shaft 34 to move outwards through the arc-shaped sliding groove 33, the pressing block 36 and the pressing wheel 37 are driven to move outwards, the pressing wheel 37 does not press the chamfer surface of the upper valve seat 2, the upper valve seat 2 is loosened, then the upper valve seat 2 is taken down, the ball valve is maintained, after the ball valve is maintained, the handle 49 is reversed, the gear 54 is driven to rotate anticlockwise through the cylinder 51, the arc-shaped rack 55 is driven to rotate clockwise, the annular plate 32 is driven to rotate clockwise, the sliding shaft 34 is driven to move inwards through the arc-shaped sliding groove 33 to drive the pressing block 36 and the pressing wheel 37 to move inwards, the pressing wheel 37 is contacted with the chamfer surface of the upper valve seat 2, downward pressure is applied to the upper valve seat 2 when the pressing wheel 37 moves inwards, the upper valve seat 2 is pressed on the lower valve seat 1, the annular plate 32 is not rotated when the clamping shaft 53 moves upwards to be separated from the threaded part of the milling groove 52, and the baffle 43 moves upwards to open the right side of the lower valve seat 1. Through fastening assembly 3, block the cooperation of subassembly 4 and trigger assembly 5, this valve body is when the maintenance, will block the subassembly 4 earlier and close the valve body, prevent that liquid from flowing, subsequent maintenance has been made things convenient for, after the valve body was closed, trigger assembly 5 once only triggers all pinch rollers 37 to the outside and remove, can be quick loosen upper valve seat 2, avoided the problem of a large amount of bolts of present valve body maintenance dismantlement, and this valve body is used for the part of operation, all install the right side at lower valve seat 1, install the cover on hollow plate 42, can cover the part that is used for the operation, better protection these parts, prevent it from receiving external damage.
As shown in fig. 2 and 11, the clamping assembly 6 is further included, the clamping assembly 6 is installed between the baffle 43 and the hollow plate 42, the clamping assembly 6 is used for fixing the blocking assembly 4 and the fastening assembly 3, the clamping assembly 6 includes a connecting rod 61 and a lock catch 63, the connecting rod 61 is fixed at the top of the baffle 43 in a welding or bolting mode, square holes 62 are formed in the upper portion and the lower portion of the connecting rod 61, the lock catch 63 is fixedly arranged on one side, close to the connecting rod 61, of the hollow plate 42 through screws, and the lock catch 63 is used for fixing the connecting rod 61 by penetrating through the square holes 62 in the connecting rod 61.
After the fixing of the lower valve seat 1 and the upper valve seat 2 is completed, the square hole 62 at the lower part is arranged in the lock catch 63, the connecting rod 61 is fixed through the lock catch 63 penetrating through the square hole 62 at the lower part, so that the baffle 43 is fixed, the cylinder 51 is fixed because the baffle 43 is fixed, the annular plate 32 cannot rotate, the handle 49 cannot rotate at the same time, the square hole 62 at the upper part is arranged in the lock catch 63 when the ball valve is maintained, and the ball valve is fixed in the same way, so that the ball valve cannot be opened due to external factors under the condition without a key, and the ball valve is safer to use.
As shown in fig. 3 and fig. 4, the valve further comprises a pin 7 and a sealing ring 9, six pin holes 8 are formed in the contact surface of the lower valve seat 1 and the upper valve seat 2, the pin 7 is inserted into the pin holes 8 of the lower valve seat 1, the upper half part of the pin 7 is arranged in the pin holes 8 of the upper valve seat 2, the pin holes 8 of the lower valve seat 1 and the upper valve seat 2 are all circular through holes, the pin 7 is cylindrical, the diameters of the pin 7 and the pin holes 8 are the same, and the diameters of the pin 7 and the pin holes 8 are larger than or equal to 6mm.
When disk seat 1 and last disk seat 2 down are installed, through the cooperation of pin 7 and pinhole 8, the disk seat 1 and last disk seat 2 down that can be better are fixed a position, and because the pinhole 8 on the disk seat 1 is the through-hole down, when because pin 7 rust, when leading to last disk seat 2 to hardly take off, can directly knock pin 7 downwards, so that go up disk seat 2 and take off, select for use the pin 7 that the diameter is greater than 6mm, disk seat 1 and last disk seat 2 spacing can be more firm down, and follow-up dismantlement of being convenient for has sealing washer 9 down between disk seat 1 and the last disk seat 2, can improve the leakproofness between disk seat 1 and the last disk seat 2 down.
As shown in fig. 3, 4 and 12, the valve further comprises an annular seat 10 and ejector rods 12, the upper portion of the lower valve seat 1 is provided with the annular seat 10 which slides vertically, four trapezoid grooves 11 are formed in the lower portion of the annular seat 10, the trapezoid grooves 11 are staggered with the arc-shaped sliding grooves 33, the ejector rods 12 with the same number as the trapezoid grooves 11 are arranged at the bottoms of the annular plates 32 outside the trapezoid grooves 11, and the upper side faces of the ejector rods 12 are in contact with the lower side faces of the trapezoid grooves 11.
When the annular plate 32 rotates anticlockwise, the annular plate 32 drives the ejector rod 12 to rotate anticlockwise when the lower valve seat 1 and the upper valve seat 2 are loosened, the ejector rod 12 rotates anticlockwise to the middle part of the trapezoid groove 11, the annular seat 10 moves downwards, the contact surface of the lower valve seat 1 and the upper valve seat 2 is not propped against, when the annular plate 32 rotates clockwise, the ejector rod 12 is driven to rotate clockwise, at the moment, the ejector rod 12 moves to the edge of the trapezoid groove 11, the annular seat 10 is pushed to move upwards, the annular seat 10 is propped against the contact surface of the lower valve seat 1 and the upper valve seat 2, the annular seat 10 applies upward force to the lower valve seat 1, and the pinch roller 37 applies downward force to the upper valve seat 2, so that the lower valve seat 1 and the upper valve seat 2 are installed more stably.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (9)
1. The utility model provides a fixed ball valve of upper assembling type convenient to on-line quick inspection maintenance, is including lower disk seat (1) and last disk seat (2), characterized by: the novel valve seat is characterized by further comprising a fastening component (3), a blocking component (4) and a triggering component (5), wherein the lower valve seat (1) is connected with the upper valve seat (2) through the fastening component (3), the lower part of the upper valve seat (2) is chamfered by 45 degrees, the chamfer diameter is 3cm, the side face of the lower valve seat (1) is connected with the blocking component (4) for blocking water flow, and the blocking component (4) is provided with the triggering component (5) for triggering the fastening component (3) to compress the lower valve seat (1) and the upper valve seat (2).
2. The top-loading fixed ball valve for facilitating on-line quick inspection and maintenance according to claim 1, wherein: fastening assembly (3) are including square board (31), annular board (32), slide shaft (34), briquetting (36) and pinch roller (37), square board (31) fixed mounting is on disk seat (1) upper portion down, annular board (32) are installed in rotation of square board (31) bottom, evenly spaced has two at least arc spouts (33) on annular board (32), equal sliding connection has slide shaft (34) in arc spout (33), evenly spaced has straight line spout (35) the same with arc spout (33) quantity on square board (31), all slide in straight line spout (35) and set up briquetting (36), briquetting (36) are the shape of falling L, briquetting (36) bottom and slide shaft (34) fixed connection of below, pinch roller (37) are all installed on briquetting (36) upper portion, pinch roller (37) bottom and the chamfer contact of last disk seat (2).
3. A top-loading, fixed ball valve for facilitating on-line quick inspection and maintenance as set forth in claim 2, wherein: the blocking assembly (4) comprises a connecting pipe (41), a hollow plate (42), a baffle (43), a screw rod (44), a transfer block (45), a mounting shell (46), a worm wheel (47), a worm (48) and a handle (49), wherein the connecting pipe (41) is fixedly connected to an outlet of an upper valve seat (2), the hollow plate (42) is mounted in the middle of the connecting pipe (41), the baffle (43) which vertically slides is mounted in the hollow plate (42), the screw rod (44) parallel to the hollow plate (42) is fixedly connected to the lower part of the hollow plate (42), the transfer block (45) is connected to the screw rod (44), the top end of the transfer block (45) is fixedly connected with the baffle (43), the mounting shell (46) is mounted on the upper part of the hollow plate (42) and covers the upper end of the screw rod (44), the worm wheel (47) is connected to the upper end of the screw rod (44) in a key manner, the worm (48) is mounted in a rotary manner to be meshed with the handle (47), and the worm wheel (49) is detachably connected to the front end of the worm wheel (48).
4. A top-loading, fixed ball valve for facilitating on-line quick inspection and maintenance as set forth in claim 3, wherein: the trigger assembly (5) comprises a cylinder (51), a clamping shaft (53), a gear (54) and an arc-shaped rack (55), wherein the cylinder (51) is rotatably arranged at the top of a connecting pipe (41) between an annular plate (32) and a hollow plate (42), a milling groove (52) is formed in the cylinder (51), one end of the clamping shaft (53) is fixedly arranged at the top of a baffle (43), the other end of the clamping shaft (53) is in sliding connection with the milling groove (52), the lower portion of the cylinder (51) is connected with the gear (54) through a key, and the arc-shaped rack (55) meshed with the gear (54) is fixedly connected to the annular plate (32).
5. A top-loading, fixed ball valve for facilitating on-line quick inspection and maintenance as set forth in claim 3, wherein: still including chucking subassembly (6), chucking subassembly (6) are installed between baffle (43) and hollow slab (42), chucking subassembly (6) are used for fixed blocking subassembly (4) and fastening component (3), chucking subassembly (6) are including connecting rod (61) and hasp (63), connecting rod (61) are fixed at baffle (43) top, square hole (62) have all been opened on connecting rod (61) upper portion and lower part, hollow slab (42) are close to connecting rod (61) one side and are set up hasp (63), hasp (63) are fixed connecting rod (61) through square hole (62) on connecting rod (61).
6. The top-loading fixed ball valve for facilitating on-line quick inspection and maintenance according to claim 1, wherein: the valve further comprises a pin (7), at least two pin holes (8) are formed in the contact surface of the lower valve seat (1) and the upper valve seat (2), the pin (7) are inserted into the pin holes (8) of the lower valve seat (1), and the upper half part of the pin (7) is arranged in the pin holes (8) of the upper valve seat (2).
7. The top-loading fixed ball valve for facilitating on-line quick inspection and maintenance as set forth in claim 6, wherein: the pin hole (8) on lower disk seat (1) and last disk seat (2) are circular throughout, pin (7) are cylindrical, pin (7) are the same with pinhole (8) diameter, pin (7) are greater than or equal to 6mm with pinhole (8) diameter.
8. The top-loading fixed ball valve for facilitating on-line quick inspection and maintenance according to claim 1, wherein: the valve further comprises a sealing ring (9), and the sealing ring (9) is arranged between the contact surfaces of the lower valve seat (1) and the upper valve seat (2).
9. A top-loading, fixed ball valve for facilitating on-line quick inspection and maintenance as set forth in claim 2, wherein: the novel valve seat is characterized by further comprising an annular seat (10) and ejector rods (12), wherein the annular seat (10) capable of sliding vertically is arranged on the upper portion of the lower valve seat (1), at least two trapezoid grooves (11) are formed in the lower portion of the annular seat (10), the ejector rods (12) with the same number as the trapezoid grooves (11) are arranged at the bottoms of annular plates (32) on the outer sides of the trapezoid grooves (11), and the upper side faces of the ejector rods (12) are in contact with the lower side faces of the trapezoid grooves (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1461479A (en) * | 1965-09-08 | 1966-02-25 | Ratier Figeac Soc | Valve |
| JPH02286981A (en) * | 1989-04-28 | 1990-11-27 | Kitazawa Valve:Kk | Ball valve |
| CN211039752U (en) * | 2019-09-26 | 2020-07-17 | 耀圣控制设备有限公司 | Top-mounted fixed ball valve capable of realizing online quick disassembly and maintenance |
| CN111720576A (en) * | 2019-03-21 | 2020-09-29 | 湖北泰和石化设备有限公司 | Top-mounted efficient ball valve capable of being maintained on line |
| CN213298881U (en) * | 2020-07-30 | 2021-05-28 | 湖北泰和石化设备有限公司 | On-line maintenance ultralow temperature top-loading type floating ball valve |
| CN214790448U (en) * | 2020-12-22 | 2021-11-19 | 纳福希（上海）阀门科技有限公司 | Top entry type drainage ball valve |
| US20230204116A1 (en) * | 2020-04-28 | 2023-06-29 | Velan Inc. | Top entry valve for severe industrial applications |
-
2023
- 2023-08-15 CN CN202311020218.9A patent/CN116733999B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1461479A (en) * | 1965-09-08 | 1966-02-25 | Ratier Figeac Soc | Valve |
| JPH02286981A (en) * | 1989-04-28 | 1990-11-27 | Kitazawa Valve:Kk | Ball valve |
| CN111720576A (en) * | 2019-03-21 | 2020-09-29 | 湖北泰和石化设备有限公司 | Top-mounted efficient ball valve capable of being maintained on line |
| CN211039752U (en) * | 2019-09-26 | 2020-07-17 | 耀圣控制设备有限公司 | Top-mounted fixed ball valve capable of realizing online quick disassembly and maintenance |
| US20230204116A1 (en) * | 2020-04-28 | 2023-06-29 | Velan Inc. | Top entry valve for severe industrial applications |
| CN213298881U (en) * | 2020-07-30 | 2021-05-28 | 湖北泰和石化设备有限公司 | On-line maintenance ultralow temperature top-loading type floating ball valve |
| CN214790448U (en) * | 2020-12-22 | 2021-11-19 | 纳福希（上海）阀门科技有限公司 | Top entry type drainage ball valve |
Non-Patent Citations (1)
| Title |
|---|
| 邱晓来;: "上装式球阀的设计与开发", 通用机械, no. 05, pages 81 - 83 * |
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| Publication number | Publication date |
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| CN116733999B (en) | 2023-12-01 |
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