CN112503228B - Gate valve - Google Patents

Gate valve Download PDF

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Publication number
CN112503228B
CN112503228B CN202011398504.5A CN202011398504A CN112503228B CN 112503228 B CN112503228 B CN 112503228B CN 202011398504 A CN202011398504 A CN 202011398504A CN 112503228 B CN112503228 B CN 112503228B
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CN
China
Prior art keywords
ring
butt joint
rotating
gate valve
rubber
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Active
Application number
CN202011398504.5A
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Chinese (zh)
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CN112503228A (en
Inventor
王勇飞
姜敏伟
姜宏明
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.)
Ackam Jiangsu Industrial Technology Co ltd
Original Assignee
Ackam Jiangsu Industrial Technology 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.)
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Priority to CN202011398504.5A priority Critical patent/CN112503228B/en
Publication of CN112503228A publication Critical patent/CN112503228A/en
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Publication of CN112503228B publication Critical patent/CN112503228B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00Construction of housing; Use of materials therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00Other details not peculiar to particular types of valves or cut-off apparatus
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L27/00Adjustable joints, Joints allowing movement
    • F16L27/10Adjustable joints, Joints allowing movement comprising a flexible connection only, e.g. for damping vibrations

Abstract

The invention relates to a gate valve which comprises a valve, two connecting rings, two rotating devices and two butt joints, wherein the two connecting rings are installed at the left end and the right end of the valve, the rotating devices are installed at the outer ends of the connecting rings, and the butt joints are installed at the outer ends of the rotating devices. The gate valve can solve the problems that the traditional gate valve is fixed in structure and difficult to deform and adjust, when a pipe orifice of an external pipeline to be butted and a butt joint port of the gate valve are not in the same axial direction, an additional pipeline needs to be added to assist the butt joint between the pipe orifice and the butt joint port, seepage can occur to the butt joint port formed after the existing gate valve is butted with the external pipeline under the impact force of media, and the like.

Description

Gate valve
Technical Field
The invention relates to the field of gate valves, in particular to a gate valve.
Background
A gate valve is one of the most common opening and closing valves, and a gate plate is used as an opening and closing member, in which a gate plate is called a gate plate or a gate, and a gate seat is called a gate plate seat to open or cut off a medium in a fully closed pipeline. It is not allowed to be used for intercepting, and the flashboard is prevented from being opened slightly in use, so that the damage of a sealing surface is accelerated due to the erosion of a high-speed flowing medium. The gate plate is used for lifting and descending on a sheet surface perpendicular to the central line of the gate seat channel, and cuts off media in a pipeline like a gate, so that the gate valve is called.
When gate valve and external pipeline butt joint, often can meet some problems, traditional gate valve structure is fixed, is difficult to warp the regulation, and the mouth of pipe of the external pipeline of treating the butt joint and the butt joint mouth of gate valve are not in same axial, need increase extra pipeline and assist the butt joint between the two, and the condition that the mouth that forms after current gate valve and external pipeline butt joint probably appears oozing under the impact force of medium.
Disclosure of Invention
Technical scheme (I)
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a gate valve, includes valve, two go-between, two rotating device and two butt joints, the valve about both ends install two go-between, rotating device is installed to the outer end of go-between, rotating device's outer end is installed the butt joint.
The go-between include ring body, first rubber ring, annular cavity, sliding tray, L type frame and locking bolt, be connected through the connecting piece between ring body and the valve, the interior terminal surface embedding of ring body has first rubber ring, the annular cavity has been seted up at the middle part of ring body, the sliding tray has been seted up to the outer end of ring body, sliding tray and annular cavity are the intercommunication relation, L type frame is installed to the upper and lower both ends symmetry of ring body, L type frame is threaded connection with the middle part of locking bolt.
Rotating device include the swivel becket, the second rubber ring, the rotating sliding block, the metal strip, the thin body of annular rubber, the connecting rod, locking mechanical system and enhancement flexible pipe, the embedding has the second rubber ring on the swivel becket, the inner embedding of swivel becket has the rotating sliding block, be connected for normal running fit between rotating sliding block and the sliding tray, evenly be equipped with the metal strip along its circumference on the rotating sliding block, the cover is equipped with the thin body of annular rubber on the metal strip, the setting of metal strip has played the effect of strengthening structural strength to the thin internal portion of annular rubber, the connecting rod is installed to the upper and lower both ends symmetry of swivel becket outer end, install locking mechanical system on the connecting rod, even there is the enhancement flexible pipe between swivel becket and the butt joint.
The concrete during operation, when the butt joint need with outer takeover butt joint, the angle through rotating the swivel becket and swing butt joint pipe makes the butt joint can be in different angular position to with external pipe butt joint, the butt joint back, thereby promote through rotating the locking bolt and rotate the ring and draw close until the laminating to the ring body, when laminating, the annular rubber thin body has been embedded into in the annular cavity, thereby has strengthened the leakproofness between the two, thereby increase through the contact of locking bolt and first rubber ring and hinder to the swivel becket, the angular positioning between the ring body.
The reinforced flexible pipe comprises reinforcing rings, connecting plates and sealing covers, the adjacent reinforcing rings are connected with the connecting plates through pin shafts, the connecting plates are arranged from top to bottom, the sealing covers are installed between the adjacent reinforcing rings, the connecting plates are located inside the sealing covers, the reinforcing rings and the connecting plates are connected to serve as frameworks of the reinforced flexible pipe, the sealing covers serve as covers, structural stability is high when the reinforced flexible pipe can be bent, and the condition that conveying is unstable when a medium is conveyed to the section is avoided.
The butt joint include butt joint pipe, laminating ring, built-in spring, gas suction hood, for the round pin hub connection between butt joint pipe and the connecting rod, the outer end embedding of butt joint pipe has the laminating ring, has seted up annular movable groove on the laminating ring, even there is built-in spring between annular movable groove and the gas suction hood, built-in spring plays the effect that resets, concrete during operation will pass through the connecting piece locking butt joint to butt joint pipe and outer pipe, the intimate contact and the gas suction hood of laminating ring, outer pipe, the gas suction between the outer pipe face has all played the effect of strengthening the leakproofness.
The locking mechanism comprises a connecting frame, a clamping block, a pressed block, a fixing frame, a connecting bolt and a pressing block, wherein the connecting frame is installed at the outer end of the connecting rod and is connected with the clamping block in a sliding fit mode, the lower end of the clamping block is attached to the pressed block, the pressed block is installed at the middle of the fixing frame, the fixing frame is installed on the butt joint and is connected with the middle of the connecting bolt in a threaded fit mode, the pressing block is installed on the inner end face of the connecting bolt, the pressing block is pressed by the pressing block through rotation of the connecting bolt after angle rotation of the butt joint pipe, and therefore the pressing block is pressed by the pressing block in a resistance increasing mode, and the angle of the butt joint pipe is located.
Wherein, the section of the annular cavity is of a wavy structure.
The first rubber ring is provided with an embedded groove, and the embedded groove is provided with a sponge ring.
And the second rubber ring is tightly attached to the end face of the locking bolt.
The clamping block is provided with an arc-shaped protruding block, the cross section of the arc-shaped protruding block is of a triangular structure, a triangular groove is formed in the compression block, and the position of the triangular groove corresponds to that of the arc-shaped protruding block.
The jointing ring is made of rubber materials, and connecting holes are uniformly formed in the butt joint pipe along the circumferential direction of the butt joint pipe.
(II) advantageous effects
1. According to the gate valve, the butt joint pipe can be adjusted to any angle through the rotation of the rotating ring and the angle swing of the butt joint pipe, so that the butt joint pipe is in butt joint with external pipelines at different positions, the pipelines are not required to be added for assisting in butt joint, the sealing effect is improved by adding a multiple elastic fitting mode, and the condition that a medium leaks out of the position of a butt joint port is reduced;
2. according to the gate valve, when the connecting ring is in butt joint with the gate valve, the sealing effect of the first rubber ring and the sponge ring is improved by adding the first rubber ring and the sponge ring, the elastic contact is increased, meanwhile, a small amount of medium which is accidentally oozed is absorbed by the sponge ring, and when the connecting ring is in butt joint with the rotating ring, the annular rubber thin body is embedded into the annular cavity with the wavy cross section, so that the sealing effect of the connecting ring and the rotating ring in butt joint is improved;
3. according to the gate valve, the butt joint pipe can be adjusted to any angle through the rotation of the rotating ring and the angle swing of the butt joint pipe by the rotating device, meanwhile, the reinforced flexible pipe for assisting the angle change of the butt joint pipe improves the structural strength through increasing the skeleton, the huge impact force brought by media is relieved, the rotating condition between the ring body and the rotating ring and the angle between the butt joint pipe and the connecting rod are controlled through the locking bolt and the locking mechanism, and the structural stability of the rotating device is guaranteed;
4. according to the gate valve, when the butt joint is in butt joint with an external pipeline, the sealing effect between the butt joint and the external pipeline is improved by adding the jointing ring, the air suction cover and the air suction of the external pipe orifice.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is an overall cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view between the connection ring, the turning gear and the abutment of the present invention;
FIG. 3 is a schematic perspective view of the present invention between the rotating ring, connecting rod, locking mechanism and docking head;
FIG. 4 is a schematic perspective view of the rotary slide block, the metal strip and the annular rubber thin body of the present invention;
FIG. 5 is a left side view of the first rubber ring of the present invention;
FIG. 6 is a schematic perspective view of the reinforcing ring and the connecting plate of the present invention;
FIG. 7 is an enlarged view of the invention in section X of FIG. 2;
FIG. 8 is an enlarged view of the Y-direction portion of FIG. 2 in accordance with the present invention;
FIG. 9 is an enlarged view of the invention in the Z-direction of FIG. 2;
fig. 10 is an enlarged view of the portion of the invention in fig. 2 from the direction a.
Detailed Description
Embodiments of the present invention will be described below with reference to the drawings. In this process, the width of the lines or the size of the components in the drawings may be exaggerated for clarity and convenience of description.
The following terms are defined based on the functions of the present invention, and may be different depending on the intention of the user or the operator or the convention. Therefore, these terms are defined based on the entire contents of the present specification.
As shown in fig. 1 to 10, a gate valve comprises a valve 1, two connection rings 2, two rotating devices 3 and two butt joints 4, wherein the two connection rings 2 are installed at the left end and the right end of the valve 1, the rotating devices 3 are installed at the outer ends of the connection rings 2, and the butt joints 4 are installed at the outer ends of the rotating devices 3.
The connecting ring 2 comprises a ring body 21, a first rubber ring 22, an annular cavity 24, a sliding groove 25, an L-shaped frame 26 and a locking bolt 27, the ring body 21 is connected with the valve 1 through a connecting piece, the first rubber ring 22 is embedded into the inner end face of the ring body 21, the annular cavity 24 is formed in the middle of the ring body 21, the sliding groove 25 is formed in the outer end of the ring body 21, the sliding groove 25 is communicated with the annular cavity 24, the L-shaped frame 26 is symmetrically installed at the upper end and the lower end of the ring body 21, the middle of the L-shaped frame 26 is in threaded connection with the locking bolt 27, the cross section of the annular cavity 24 is of a wavy structure, when the annular rubber thin body 35 is embedded into the annular cavity 24 with the cross section of the wavy structure, the sealing effect is improved, the first rubber ring 22 is provided with an embedded groove, a sponge ring is arranged on the embedded groove, and the sponge ring plays a role of absorbing a small amount of exuded media.
The rotating device 3 comprises a rotating ring 31, a second rubber ring 32, a rotating sliding block 33, a metal strip 34, an annular rubber thin body 35, a connecting rod 36, a locking mechanism 37 and a reinforced flexible pipe 38, wherein the second rubber ring 32 is embedded in the rotating ring 31, the rotating sliding block 33 is embedded in the inner end of the rotating ring 31, the rotating sliding block 33 is connected with the sliding groove 25 in a rotating matching manner, the metal strip 34 is uniformly arranged on the rotating sliding block 33 along the circumferential direction of the rotating sliding block, the annular rubber thin body 35 is sleeved on the metal strip 34, the arrangement of the metal strip 34 plays a role in reinforcing the structural strength of the interior of the annular rubber thin body 35, the connecting rod 36 is symmetrically arranged at the upper end and the lower end of the outer end of the rotating ring 31, the locking mechanism 37 is arranged on the connecting rod 36, the reinforced flexible pipe 38 is connected between the rotating ring 31 and the butt joint 4, the second rubber ring 32 is tightly attached to the end face of the locking bolt 27, when butt joint 4 needs to take over the butt joint with external, make butt joint 4 can be in different angular position through the angle of rotating swivel 31 and swing butt joint pipe 41, thereby with external pipe butt joint, after the butt joint, thereby promote swivel 31 to draw close until the laminating to ring body 21 through rotating locking bolt 27, when laminating, annular rubber thin body 35 has been embedded into annular cavity 24 in, thereby strengthened the leakproofness between the two, thereby it increases the angle location between swivel 31, the ring body 21 to increase the resistance through locking bolt 27 and the contact of second rubber ring 32.
The locking mechanism 37 comprises a connecting frame 371, a clamping block 372, a pressed block 373, a fixing frame 374, a connecting bolt 375 and a resisting block 376, the connecting frame 371 is installed at the outer end of the connecting rod 36, the connecting frame 371 is connected with the clamping block 372 in a sliding fit manner, the lower end of the clamping block 372 is attached to the pressed block 373, the pressed block 373 is installed in the middle of the fixing frame 374, the fixing frame 374 is installed on the butt joint 4, the fixing frame 374 is connected with the middle of the connecting bolt 375 in a threaded fit manner, the resisting block 376 is installed on the inner end face of the connecting bolt 375, an arc-shaped protruding block is arranged on the clamping block 372, the cross section of the arc-shaped protruding block is of a triangular structure, a triangular groove is formed in the pressed block 373, the position of the triangular groove corresponds to the position of the arc-shaped protruding block, after the arc-shaped protruding block is embedded into the triangular groove, the compression degree between the clamping block 372 and the pressed block 373 is improved due to the embedding of the continuous triangular structure, during specific work, after the butt joint pipe 41 rotates in an angle, the connecting bolt 375 is rotated to drive the abutting block 376 to press the clamping block 372, so that the clamping block and the pressed block 373 are pressed in a resistance-increasing manner, and the butt joint pipe 41 is positioned in the angle.
Strengthen flexible pipe 38 include strengthening ring 381, connecting plate 382, sealed cowling 383, be connected through round pin axle and connecting plate 382 between the adjacent strengthening ring 381, and connecting plate 382 is for arranging from top to bottom, install sealed cowling 383 between the adjacent strengthening ring 381, and connecting plate 382 is located inside sealed cowling 383, strengthening ring 381, the skeleton of strengthening flexible pipe 38 has been acted as in the connection between connecting plate 382, and sealed cowling 383 has acted as the cover body, structural stability is also stronger when making to strengthen flexible pipe 38 and can bend, the unstable condition of carrying appears when having avoided the medium to carry this section.
The butt joint 4 comprises a butt joint pipe 41, a joint ring 42, an internal spring 43 and an air suction cover 44, the butt joint pipe 41 is connected with the connecting rod 36 through a pin shaft, the outer end of the butt joint pipe 41 is embedded with the attaching ring 42, the attaching ring 42 is provided with an annular movable groove, an internal spring 43 is connected between the annular movable groove and the air suction cover 44, the internal spring 43 plays a role of resetting, the attaching ring 42 is made of rubber materials, the sealing performance is improved, the butt joint pipe 41 is evenly provided with connecting holes along the circumferential direction thereof, when the butt joint pipe 41 is in butt joint with an external pipe, the connecting piece passes through the connecting holes to be in threaded connection with the external pipe, therefore, the butt joint pipe 41 and the external pipe are locked, when the butt joint pipe 41 and the external pipe are locked and butted through the connecting piece during specific work, the close contact of the joint ring 42 and the external pipe and the air suction between the air suction cover 44 and the external pipe surface play a role in strengthening the sealing performance.
When in work:
butt joint 4 docks with outer taking over through the connecting piece, after the butt joint, thereby promote swivel 31 through rotating locking bolt 27 and draw close until the laminating to ring body 21, at this moment, the angle locking between swivel 31, the ring body 21, later, thereby drive through rotating connecting bolt 375 and support block 376 and suppress grip block 372, make it compress tightly with receiving block 373 resistance-increasing formula to the angle location locking between butt joint pipe 41, the connecting rod 36, repeat above-mentioned operation and dock another butt joint 4.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A gate valve, includes valve (1), two go-between (2), two rotary device (3) and two butt joint (4), its characterized in that: two connecting rings (2) are installed at the left end and the right end of the valve (1), a rotating device (3) is installed at the outer ends of the connecting rings (2), and a butt joint (4) is installed at the outer end of the rotating device (3);
the connecting ring (2) comprises a ring body (21), a first rubber ring (22), an annular cavity (24), a sliding groove (25), an L-shaped frame (26) and a locking bolt (27), the ring body (21) is connected with the valve (1) through a connecting piece, the first rubber ring (22) is embedded into the inner end face of the ring body (21), the annular cavity (24) is formed in the middle of the ring body (21), the sliding groove (25) is formed in the outer end of the ring body (21), the sliding groove (25) is communicated with the annular cavity (24), the L-shaped frame (26) is symmetrically installed at the upper end and the lower end of the ring body (21), and the L-shaped frame (26) is in threaded connection with the middle of the locking bolt (27);
the rotating device (3) comprises a rotating ring (31), a second rubber ring (32), a rotating sliding block (33), a metal strip (34), an annular rubber thin body (35), a connecting rod (36), a locking mechanism (37) and a reinforced flexible pipe (38), the second rubber ring (32) is embedded in the rotating ring (31), the rotating sliding block (33) is embedded in the inner end of the rotating ring (31), the rotating sliding block (33) is connected with the sliding groove (25) in a rotating fit mode, the metal strip (34) is uniformly arranged on the rotating sliding block (33) along the circumferential direction of the rotating sliding block, the annular rubber thin body (35) is sleeved on the metal strip (34), the connecting rod (36) is symmetrically arranged at the upper end and the lower end of the outer end of the rotating ring (31), the locking mechanism (37) is arranged on the connecting rod (36), and the reinforced flexible pipe (38) is connected between the rotating ring (31) and the butt joint (4);
the reinforced flexible pipe (38) comprises reinforcing rings (381), connecting plates (382) and sealing covers (383), wherein adjacent reinforcing rings (381) are connected with the connecting plates (382) through pin shafts, the connecting plates (382) are arranged up and down, the sealing covers (383) are arranged between the adjacent reinforcing rings (381), and the connecting plates (382) are located inside the sealing covers (383);
the butt joint (4) comprises a butt joint pipe (41), a joint ring (42), a built-in spring (43) and a gas suction cover (44), the butt joint pipe (41) is connected with the connecting rod (36) through a pin shaft, the joint ring (42) is embedded into the outer end of the butt joint pipe (41), an annular movable groove is formed in the joint ring (42), and the built-in spring (43) is connected between the annular movable groove and the gas suction cover (44);
locking mechanical system (37) including link (371), grip block (372), receive pressure piece (373), mount (374), connecting bolt (375) with support piece (376), the outer end at connecting rod (36) is installed in link (371), link (371) is connected for sliding fit with grip block (372), the lower extreme of grip block (372) is laminated with receiving pressure piece (373), receive pressure piece (373) and install the middle part at mount (374), mount (374) are installed on butt joint (4), mount (374) are connected for screw-thread fit with the middle part of connecting bolt (375), the interior terminal surface of connecting bolt (375) is installed and is supported piece (376).
2. A gate valve according to claim 1, characterised in that: the section of the annular cavity (24) is of a wavy structure.
3. A gate valve according to claim 1, characterised in that: the first rubber ring (22) is provided with an embedded groove, and the embedded groove is provided with a sponge ring.
4. A gate valve according to claim 1, characterised in that: the second rubber ring (32) is tightly attached to the end face of the locking bolt (27).
5. A gate valve according to claim 1, characterised in that: the clamping block (372) on be equipped with the arc protrusion piece, and the cross-section of arc protrusion piece is the triangle-shaped structure, is pressed and has seted up the triangle recess on piece (373), and the triangle recess is corresponding with the position of arc protrusion piece.
6. A gate valve according to claim 1, characterised in that: the jointing ring (42) is made of rubber materials, and connecting holes are uniformly formed in the butt joint pipe (41) along the circumferential direction of the butt joint pipe.
CN202011398504.5A 2020-12-03 2020-12-03 Gate valve Active CN112503228B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011398504.5A CN112503228B (en) 2020-12-03 2020-12-03 Gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011398504.5A CN112503228B (en) 2020-12-03 2020-12-03 Gate valve

Publications (2)

Publication Number Publication Date
CN112503228A CN112503228A (en) 2021-03-16
CN112503228B true CN112503228B (en) 2022-03-22

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ID=74968140

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011398504.5A Active CN112503228B (en) 2020-12-03 2020-12-03 Gate valve

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CN (1) CN112503228B (en)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6199738B2 (en) * 2013-12-11 2017-09-20 コスモ工機株式会社 Valve device mounting structure, valve device mounting method and valve device removal method
CN206626192U (en) * 2017-03-27 2017-11-10 雷纳德流体智能科技江苏股份有限公司 A kind of gate valve
CN107270020A (en) * 2017-07-03 2017-10-20 保集团有限公司 A kind of flat gate valve
CN209688200U (en) * 2018-12-24 2019-11-26 纽曼(盐城)阀门制造有限公司 A kind of metallic seal flat plate gate valve
CN109798406B (en) * 2019-01-24 2020-05-12 江苏盐电阀门有限公司 Check valve capable of being rapidly disassembled
CN110686112B (en) * 2019-10-18 2021-07-23 唐山伟德船用设备有限公司 Pipeline gate valve convenient to dismouting

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