CN112728123A - Pipeline valve that ageing-resistant was prevented leaking - Google Patents

Pipeline valve that ageing-resistant was prevented leaking Download PDF

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Publication number
CN112728123A
CN112728123A CN202011479002.5A CN202011479002A CN112728123A CN 112728123 A CN112728123 A CN 112728123A CN 202011479002 A CN202011479002 A CN 202011479002A CN 112728123 A CN112728123 A CN 112728123A
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CN
China
Prior art keywords
valve
valve block
hole
fixedly connected
rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011479002.5A
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Chinese (zh)
Inventor
陈忠菊
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN202011479002.5A priority Critical patent/CN112728123A/en
Publication of CN112728123A publication Critical patent/CN112728123A/en
Pending legal-status Critical Current

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    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/02Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with screw-spindle
    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/36Valve members
    • F16K1/38Valve members of conical shape
    • F16K1/385Valve members of conical shape contacting in the closed position, over a substantial axial length, a seat surface having the same inclination
    • 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
    • F16K1/00Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32Details
    • F16K1/34Cutting-off parts, e.g. valve members, seats
    • F16K1/46Attachment of sealing rings
    • 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
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0254Construction of housing; Use of materials therefor of lift valves with conical shaped valve members
    • 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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/50Mechanical actuating means with screw-spindle or internally threaded actuating means
    • 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
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • F16K31/44Mechanical actuating means
    • F16K31/60Handles

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Valves (AREA)

Abstract

The invention relates to the technical field of pipeline valves and discloses an anti-aging and anti-leakage pipeline valve which comprises a valve body, wherein an inner cavity is formed in the valve body, a liquid inlet hole and a liquid outlet hole are formed in the wall of the inner cavity, a partition plate is fixedly connected to the wall of the inner cavity, a valve block hole is formed in the partition plate, a valve block is connected in the valve block hole in a sliding mode, an annular groove is formed in the annular side wall of the valve block, a sealing rubber ring is sleeved on the valve block through the annular groove and is arranged between the partition plate and the valve block, a movable rod is fixedly connected to the upper end of the valve block, the other end of the movable rod is fixedly connected with a piston, and a mounting hole is formed in the top of the inner. This pipeline valve door of preventing ageing and leaking is convenient for regularly change the sealing rubber ring, prevents to continue to use the sealing rubber ring of ageing wearing and tearing and influence the leakproofness of pipeline valve, easily causes liquid to reveal for pipeline valve door has the performance of ageing-proof leak protection.

Description

Pipeline valve that ageing-resistant was prevented leaking
Technical Field
The invention relates to the technical field of pipeline valves, in particular to an anti-aging and anti-leakage pipeline valve.
Background
The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. A sealing rubber ring is arranged in the pipeline valve to increase the sealing performance of the inside when the valve is closed.
However, after the existing pipeline valve is used for stopping corrosive liquid or is used for a long time, the sealing rubber ring is easy to age and wear, the sealing performance of the pipeline valve is affected, the sealing rubber ring cannot be replaced, and liquid leakage is easy to cause.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the anti-aging and anti-leakage pipeline valve which has the advantages of anti-aging and anti-leakage and the like, and solves the problem that the sealing rubber ring is easy to age and wear to influence the sealing performance of the pipeline valve when the pipeline valve is used for stopping corrosive liquid or is used for a long time.
In order to solve the technical problem, the invention is solved by the following technical scheme:
an anti-aging and anti-leakage pipeline valve comprises a valve body, wherein an inner cavity is formed in the valve body, a liquid inlet hole and a liquid outlet hole are formed in the cavity wall of the inner cavity, a partition plate is fixedly connected to the inner cavity wall of the inner cavity, a valve block hole is formed in the partition plate, a valve block is connected in the valve block hole in a sliding mode, an annular groove is formed in the annular side wall of the valve block, a sealing rubber ring is sleeved on the valve block through the annular groove and is arranged between the partition plate and the valve block, a movable rod is fixedly connected to the upper end of the valve block, a piston is fixedly connected to the other end of the movable rod, an installation hole is formed in the top of the inner cavity, the piston is connected in the installation hole in a sliding mode, a threaded sleeve is fixedly connected to the upper end of the piston, threads are arranged on the annular side wall in the threaded sleeve, the movable groove bottom is rotatably connected with a valve rod through a bearing, threads are arranged on a valve rod wall in the movable groove, the thread sleeve is in threaded connection with the valve rod, the upper end of the valve rod is fixedly connected with a valve handle, limiting grooves are symmetrically formed in the annular side wall of the movable groove, limiting blocks are connected in the limiting grooves in a sliding mode, two opposite ends of the limiting blocks penetrate through corresponding limiting groove notches and extend into the movable groove, the limiting grooves and the valve rod are fixedly connected to the thread sleeve together, the mounting seat is connected with the valve body through four fixing mechanisms, and the four fixing mechanisms are arranged on the upper end of the valve body in an annular shape with the valve rod as the center of a circle.
Preferably, the fixing mechanism comprises a supporting plate, a bolt and a fixing barrel, the supporting plate is fixedly connected to the upper end of the valve body, a threaded hole is formed in the supporting plate, the bolt is connected to the supporting plate through the threaded hole in a threaded mode, the fixing barrel is fixedly connected to the annular side wall of the mounting seat, and one end, close to the valve rod, of the bolt penetrates through the threaded hole and a barrel opening of the fixing barrel and extends into the fixing barrel.
Preferably, the section of the mounting hole is T-shaped, and reinforcing ribs are symmetrically and fixedly connected between the movable rod and the valve block around the movable rod.
Preferably, the wall of the mounting hole is fixedly connected with a backing ring, the piston is fixedly connected with a sealing washer, and the sealing washer is arranged between the backing ring and the piston.
Preferably, both ends of the valve body are fixedly connected with flanges, and the flanges and the valve body are made of stainless steel materials.
Preferably, the output end of the liquid inlet hole is arranged above one side of the valve block, and the input end of the liquid outlet hole is arranged below the other side of the valve block.
Preferably, the orifice of the valve block hole close to the bottom of the inner cavity is conical, and the shapes of the valve block and the valve block hole are matched.
The invention has the advantages that:
the anti-aging and anti-leakage pipeline valve is characterized in that the valve body, the inner cavity, the liquid inlet hole, the liquid outlet hole, the partition plate, the valve block, the sealing rubber ring, the movable rod, the piston, the mounting hole, the threaded sleeve, the mounting seat, the movable groove, the valve rod, the valve handle, the limiting groove, the limiting block and the fixing mechanism are arranged, when the sealing rubber ring needs to be replaced periodically on the pipeline valve, the four bolts are rotationally disassembled to be separated from the corresponding fixed cylinder, the valve handle is pulled upwards to separate the mounting seat from the mounting groove, so that the valve block penetrates through the mounting hole to be exposed, the aged and worn sealing rubber ring is taken down to replace a new sealing rubber ring, the valve block penetrates through the mounting hole to be placed in the valve block hole, and then the mounting seat and the valve body are fixed through the bolts, because the bottom of the valve block is conical and is matched with the shape of the valve block hole, the sealing rubber ring is tightly attached to the wall of the valve block, can regularly change the sealing rubber ring, prevent to continue to use the sealing rubber ring of ageing wearing and tearing and influence pipeline valve's leakproofness, easily cause liquid to reveal for pipeline valve has the anti-aging and prevents the performance of revealing.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be discussed below, it is obvious that the technical solutions described in conjunction with the drawings are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings can be obtained according to the embodiments shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an anti-aging and anti-leakage pipeline valve provided by the invention;
FIG. 2 is a schematic view of a connection structure of a threaded sleeve and a mounting seat of an anti-aging and anti-leakage pipeline valve according to the present invention;
FIG. 3 is a schematic view of a valve block and a partition plate connection structure of an anti-aging and anti-leakage pipeline valve according to the present invention;
fig. 4 is an enlarged view of a portion a in fig. 1.
In the figure: 1 valve body, 2 inner chambers, 3 liquid inlet holes, 4 liquid outlet holes, 5 partition plates, 6 valve blocks, 7 sealing rubber rings, 8 movable rods, 9 pistons, 10 mounting holes, 11 threaded sleeves, 12 mounting seats, 13 movable grooves, 14 valve rods, 15 valve handles, 16 limiting grooves, 17 limiting blocks, 18 fixing mechanisms, 1801 supporting plates, 1802 bolts, 1803 fixing cylinders, 19 reinforcing ribs, 20 backing rings, 21 sealing gaskets, 22 flanges and 23 valve block holes.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.
Referring to fig. 1-4, an anti-aging and anti-leakage pipeline valve comprises a valve body 1, an inner cavity 2 is arranged in the valve body 1, a liquid inlet hole 3 and a liquid outlet hole 4 are arranged on the cavity wall of the inner cavity 2, a partition plate 5 is fixedly connected on the cavity wall of the inner cavity 2, a valve block hole 23 is arranged on the partition plate 5, a valve block 6 is slidably connected in the valve block hole 23, an annular groove is arranged on the annular side wall of the valve block 6, a sealing rubber ring 7 is sleeved on the valve block 6 through the annular groove, the arrangement of the annular groove is beneficial to the positioning and fixing installation of the sealing rubber ring 7, the sealing rubber ring 7 is arranged between the partition plate 5 and the valve block 6, a movable rod 8 is fixedly connected at the upper end of the valve block 6, a piston 9 is fixedly connected at the other end of the movable rod 8, a mounting hole 10 is arranged at the top of the cavity 2, the piston 9 is slidably connected in the mounting hole, a mounting seat 12 is arranged in the mounting hole 10, a movable groove 13 is arranged at the bottom of the mounting seat 12, the bottom of the movable groove 13 is rotatably connected with a valve rod 14 through a bearing, threads are arranged on the rod wall of the valve rod 14 positioned in the movable groove 13, a threaded sleeve 11 is in threaded connection with the valve rod 14, the upper end of the valve rod 14 is fixedly connected with a valve handle 15, the valve handle 15 is convenient for rotating the valve rod 14, limit grooves 16 are symmetrically arranged on the annular side wall of the movable groove 13, limit blocks 17 are slidably connected in the limit grooves 16, and opposite ends of the two limit blocks 17 penetrate through the corresponding notch of the limit groove 16 and extend into the movable, and common fixed connection is on threaded sleeve 11, and mount pad 12 is connected with valve body 1 through four fixed establishment 18, and four fixed establishment 18 use valve rod 14 as the centre of a circle to be the even equidistance setting of annular in valve body 1 upper end, and four fixed establishment 18 are the annular setting for what mount pad 12 and valve body 1 connected is more firm.
The fixing mechanism 18 comprises a support plate 1801, a bolt 1802 and a fixing cylinder 1803, the support plate 1801 is fixedly connected to the upper end of the valve body 1, a threaded hole is formed in the support plate 1801, the bolt 1802 is in threaded connection with the support plate 1801 through the threaded hole, the fixing cylinder 1803 is fixedly connected to the annular side wall of the mounting seat 12, one end of the bolt 1802 close to the valve rod 14 penetrates through the threaded hole and the opening of the fixing cylinder 1803 and extends into the fixing cylinder 1803, when the sealing rubber ring 7 of the pipeline valve needs to be replaced periodically, the four bolts 1802 are rotatably disassembled to be separated from the corresponding fixing cylinder 1803, the valve handle 15 is pulled upwards, the mounting seat 12 can be separated from the mounting groove, the valve block 6 is exposed through the mounting hole 10, the aged and worn sealing rubber ring 7 is taken down and replaced by a new sealing rubber ring 7, the valve block 6 penetrates through the mounting hole 10 and is placed in the valve block hole 23, and the mounting seat 12 and the valve, because the bottom of valve piece 6 is the toper, and with valve piece hole 23 shape phase-match for sealing rubber ring 7 closely laminates valve piece hole 23 pore wall, has improved this pipeline valve's leakproofness, can regularly change sealing rubber ring 7, prevents to continue to use the sealing rubber ring 7 of ageing wearing and tearing and influence pipeline valve's leakproofness, easily causes liquid to reveal, makes pipeline valve have the anti-aging anti-leakage's performance.
The section of the mounting hole 10 is T-shaped, and reinforcing ribs 19 are symmetrically and fixedly connected between the movable rod 8 and the valve block 6 about the movable rod 8, so that the connection strength of the movable rod 8 and the valve block 6 is increased, and the movable rod 8 and the valve block 6 are prevented from being broken and separated.
Fixedly connected with backing ring 20 on the mounting hole 10 pore wall, fixedly connected with seal ring 21 on the piston 9, seal ring 21 sets up between backing ring 20 and piston 9, has increased the leakproofness that mounting hole 10 and piston 9 are connected, prevents that liquid from revealing.
The equal fixedly connected with flange 22 in both ends of valve body 1, flange 22 and valve body 1 are made by stainless steel material for valve body 1 and flange 22 are difficult for rustting, have improved the life of this pipeline valve.
The output setting in feed liquor hole 3 is in valve block 6 one side top, and the input setting in valve block 6 opposite side below of play liquid hole 4 does benefit to the flow of liquid, and the water pressure that valve block 6 bore is bigger.
The opening of the valve block hole 23 close to the cavity bottom of the inner cavity 2 is conical, so that the valve block 6 can be conveniently inserted into the valve block hole 23, and the shapes of the valve block 6 and the valve block hole 23 are matched.
In summary, when the pipeline valve with aging resistance and leakage prevention needs to be opened or closed, the valve handle 15 rotates forwards or backwards to drive the valve rod 14 to rotate forwards or backwards, the rotation of the threaded sleeve 11 is limited by the matching of the limiting groove 16 and the limiting block 17, so that the threaded sleeve 14 moves upwards or downwards on the valve rod 14, the threaded sleeve 11 drives the piston 9, the movable rod 8 and the valve block 6 to move upwards or downwards, and the liquid inlet hole 3 is communicated with or blocked by the liquid outlet hole 4.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present 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 (7)

1. The utility model provides a pipeline valve of ageing-resistant and leak-proof, its characterized in that, includes valve body (1), its characterized in that: an inner cavity (2) is formed in the valve body (1), a liquid inlet hole (3) and a liquid outlet hole (4) are formed in the cavity wall of the inner cavity (2), a partition plate (5) is fixedly connected to the inner cavity wall of the inner cavity (2), a valve block hole (23) is formed in the partition plate (5), a valve block (6) is slidably connected to the valve block hole (23), an annular groove is formed in the annular side wall of the valve block (6), a sealing rubber ring (7) is sleeved on the valve block (6) through the annular groove, the sealing rubber ring (7) is arranged between the partition plate (5) and the valve block (6), a movable rod (8) is fixedly connected to the upper end of the valve block (6), a piston (9) is fixedly connected to the other end of the movable rod (8), a mounting hole (10) is formed in the cavity top opening of the inner cavity (2), and the piston (9) is slidably connected to the mounting hole (, the upper end of the piston (9) is fixedly connected with a threaded sleeve (11), the annular side wall in the threaded sleeve (11) is provided with threads, a mounting seat (12) is arranged in the mounting hole (10), the bottom of the mounting seat (12) is provided with a movable groove (13), the bottom of the movable groove (13) is rotatably connected with a valve rod (14) through a bearing, the rod wall of the valve rod (14) positioned in the movable groove (13) is provided with threads, the threaded sleeve (11) is in threaded connection with the valve rod (14), the upper end of the valve rod (14) is fixedly connected with a valve door handle (15), the annular side wall of the movable groove (13) is symmetrically provided with limiting grooves (16), the limiting grooves (16) are in sliding connection with limiting blocks (17), and the opposite ends of the two limiting blocks (17) penetrate through the corresponding notch of the limiting grooves (16) and extend into the movable groove, and common fixed connection is on threaded sleeve (11), mount pad (12) are connected with valve body (1) through four fixed establishment (18), four fixed establishment (18) use valve rod (14) to be the even equidistance setting of annular in valve body (1) upper end as the centre of a circle.
2. A plumbing valve that is resistant to degradation and leakage, as recited in claim 1, wherein: fixing mechanism (18) are including backup pad (1801), bolt (1802) and fixed section of thick bamboo (1803), backup pad (1801) fixed connection is in valve body (1) upper end, be equipped with the screw hole on backup pad (1801), bolt (1802) pass through screw hole threaded connection on backup pad (1801), fixed section of thick bamboo (1803) fixed connection is on the annular lateral wall of mount pad (12), bolt (1802) are close to the one end of valve rod (14) and pass screw hole and fixed section of thick bamboo (1803) nozzle and extend to fixed section of thick bamboo (1803) inside.
3. A plumbing valve that is resistant to degradation and leakage, as recited in claim 1, wherein: the section of the mounting hole (10) is T-shaped, and reinforcing ribs (19) are symmetrically and fixedly connected between the movable rod (8) and the valve block (6) relative to the movable rod (8).
4. A plumbing valve that is resistant to degradation and leakage, as recited in claim 1, wherein: fixedly connected with backing ring (20) on mounting hole (10) pore wall, fixedly connected with seal ring (21) on piston (9), seal ring (21) set up between backing ring (20) and piston (9).
5. A plumbing valve that is resistant to degradation and leakage, as recited in claim 1, wherein: both ends of the valve body (1) are fixedly connected with flanges (22), and the flanges (22) and the valve body (1) are made of stainless steel materials.
6. A plumbing valve that is resistant to degradation and leakage, as recited in claim 1, wherein: the output end of the liquid inlet hole (3) is arranged above one side of the valve block (6), and the input end of the liquid outlet hole (4) is arranged below the other side of the valve block (6).
7. A plumbing valve that is resistant to degradation and leakage, as recited in claim 1, wherein: the orifice of the valve block hole (23) close to the cavity bottom of the inner cavity (2) is conical, and the shapes of the valve block (6) and the valve block hole (23) are matched.
CN202011479002.5A 2020-12-16 2020-12-16 Pipeline valve that ageing-resistant was prevented leaking Pending CN112728123A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011479002.5A CN112728123A (en) 2020-12-16 2020-12-16 Pipeline valve that ageing-resistant was prevented leaking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011479002.5A CN112728123A (en) 2020-12-16 2020-12-16 Pipeline valve that ageing-resistant was prevented leaking

Publications (1)

Publication Number Publication Date
CN112728123A true CN112728123A (en) 2021-04-30

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ID=75602303

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011479002.5A Pending CN112728123A (en) 2020-12-16 2020-12-16 Pipeline valve that ageing-resistant was prevented leaking

Country Status (1)

Country Link
CN (1) CN112728123A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322533A (en) * 2011-09-14 2012-01-18 刘工勤 Stop valve
CN108869757A (en) * 2018-06-13 2018-11-23 东莞市天合机电开发有限公司 A kind of simple high-seal valve of side rotating regulation type
CN210152377U (en) * 2019-04-04 2020-03-17 安徽永讯网络建设有限公司 Greening band communication base station
CN111059348A (en) * 2019-12-25 2020-04-24 天津鸿瑞橡胶有限公司 Bidirectional rubber sealing valve seat
CN111895101A (en) * 2020-07-10 2020-11-06 浙江乐港矿业机械有限公司 Quick-opening stop valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322533A (en) * 2011-09-14 2012-01-18 刘工勤 Stop valve
CN108869757A (en) * 2018-06-13 2018-11-23 东莞市天合机电开发有限公司 A kind of simple high-seal valve of side rotating regulation type
CN210152377U (en) * 2019-04-04 2020-03-17 安徽永讯网络建设有限公司 Greening band communication base station
CN111059348A (en) * 2019-12-25 2020-04-24 天津鸿瑞橡胶有限公司 Bidirectional rubber sealing valve seat
CN111895101A (en) * 2020-07-10 2020-11-06 浙江乐港矿业机械有限公司 Quick-opening stop valve

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Application publication date: 20210430