CN109611574B - Composite ball valve with pressure regulating device - Google Patents

Composite ball valve with pressure regulating device Download PDF

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Publication number
CN109611574B
CN109611574B CN201811469792.1A CN201811469792A CN109611574B CN 109611574 B CN109611574 B CN 109611574B CN 201811469792 A CN201811469792 A CN 201811469792A CN 109611574 B CN109611574 B CN 109611574B
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CN
China
Prior art keywords
rotating shaft
pressure regulating
valve body
valve
ball core
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Active
Application number
CN201811469792.1A
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Chinese (zh)
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CN109611574A (en
Inventor
谷向荣
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.)
Jiang Suhai reaches ship valve industry Co., Ltd
Original Assignee
Jiang Suhai Reaches Ship Valve Industry Co Ltd
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Application filed by Jiang Suhai Reaches Ship Valve Industry Co Ltd filed Critical Jiang Suhai Reaches Ship Valve Industry Co Ltd
Priority to CN201811469792.1A priority Critical patent/CN109611574B/en
Publication of CN109611574A publication Critical patent/CN109611574A/en
Application granted granted Critical
Publication of CN109611574B publication Critical patent/CN109611574B/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
    • F16K5/00Plug 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
    • F16K5/06Plug 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
    • 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
    • F16K5/00Plug 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
    • F16K5/08Details
    • F16K5/14Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces

Abstract

the invention discloses a composite ball valve with a pressure regulating device, which comprises a valve body, a valve core body, a valve cover and a pressure regulating device, wherein the valve core body is arranged inside a cavity formed in the valve body, the valve core body comprises a ball core and a ball core rotating shaft, the valve cover comprises a valve cover top column and a valve cover connecting flange, the pressure regulating device is arranged in a valve body connecting pipe arranged on the right side of the valve body, and the pressure regulating device comprises a pressure regulating rotating shaft connecting seat, a pressure regulating rotating shaft, a sealing plate, a first baffle and a second baffle. According to the invention, the valve body connecting pipe on the right side of the valve body is connected with the liquid inlet end, the pressure regulating rotating wheel is rotated to control the displacement of the pressure regulating rotating shaft, the pressing force of a pressing spring at the lower end of the pressure regulating rotating shaft on the sealing plate is regulated and controlled, when the channel pressure is greater than the pressing force of the pressing spring at the lower end of the pressure regulating rotating shaft on the sealing plate, the sealing plate is jacked up, and a medium enters an inner cavity of the valve.

Description

Composite ball valve with pressure regulating device
Technical Field
the invention relates to the technical field of composite ball valves, in particular to a composite ball valve with a pressure adjusting device.
Background
Ball valves are valves frequently used in daily life and industrial control processes, are widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and play a significant role in national economy. The valve core of the ball valve is of a sphere structure, a channel for passing media is arranged in the middle of the ball valve, a spherical cavity is arranged in the middle of the valve body, and the opening and closing of the channel for the media are controlled by controlling the rotation of the valve core, but the ball valve still has the following defects in practical use:
1. the existing ball valve is in fit contact with the inner wall of a valve core cavity in the valve body, so that the valve core and the valve body are abraded and generate looseness during long-time work, and the water leakage phenomenon is caused;
2. The common ball valve can only realize the function of controlling the opening or closing of the channel, and when the pressure limiting protection is needed to be carried out on the channel, a pressure limiting valve needs to be additionally arranged on the medium channel, which is troublesome;
3. The conventional ball valve cannot prevent the reverse flow of the medium in the medium passage and cannot provide a good protection for the passage.
disclosure of Invention
The invention aims to provide a composite ball valve with a pressure regulating device, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a composite ball valve with a pressure regulating device comprises a valve body, a valve core body, a valve cover and a pressure regulating device, wherein an inner cavity with an upward opening is formed in the valve body, a valve body connecting flange is arranged at the opening at the upper end of the valve body, a lower spring inner cavity is formed in the bottom of the inner cavity formed in the valve body, a lower sealing block is arranged above the lower spring inner cavity, a compression spring is connected between the lower end surface of the lower sealing block and the bottom surface of the lower spring inner cavity, a valve core body is arranged in a cavity formed in the valve body and comprises a ball core and a ball core rotating shaft, the ball core is arranged above the lower sealing block, the ball core rotating shaft is vertically arranged at the upper end of the ball core, a switch rotating wheel is arranged at the upper end of the ball core rotating shaft, an upper sealing block is arranged above the ball core, the valve cover is arranged above the upper sealing block and comprises a valve cover top column and a valve cover, the outer wall cover that the cover was supported in the pivot is equipped with compression spring, the valve body both sides all are equipped with the valve body connecting pipe, be equipped with the regulator in the valve body connecting pipe that the valve body right side was established, the regulator includes pressure regulating pivot connecting seat, the pressure regulating pivot, the closing plate, first baffle and second baffle, the top of valve body connecting pipe is equipped with pressure regulating pivot connecting seat, the perpendicular interlude of pressure regulating pivot sets up the middle part at pressure regulating pivot connecting seat, the upper end of pressure regulating pivot is equipped with the pressure regulating runner, the lower extreme of pressure regulating pivot passes through compression spring and connects the closing plate, first baffle sets up the right side at the closing.
Preferably, the outer walls of the lower sealing block and the upper sealing block are in close contact with the inner wall of the inner cavity of the valve body, the upper surface of the lower sealing block is an inwards concave spherical surface, the upper surface of the lower sealing block is in close contact with the lower surface of the ball core in a matched manner, the lower surface of the upper sealing block is an inwards concave spherical surface, and the lower surface of the upper sealing block is in close contact with the lower surface of the ball core in a matched manner.
Preferably, a plurality of bolt holes which are uniformly distributed are formed in the valve body connecting flange and the valve cover connecting flange, the bolt holes formed in the valve body connecting flange and the valve cover connecting flange are correspondingly formed, and the valve body connecting flange and the valve cover connecting flange are fixedly connected through bolts.
Preferably, the outer wall of the lower end of the valve cover support column is in close contact with the inner wall of the inner cavity formed in the valve body, a sealing ring is arranged at the contact position, the lower end faces of the valve cover support column and the rotating shaft support sleeve are in close contact with the upper surface of the upper sealing block, and the rotating shaft support sleeve is sleeved with the compression spring which is connected with the upper surface of the upper sealing block.
preferably, the rotating shaft supporting sleeve is sleeved outside the ball core rotating shaft, the outer wall of the ball core rotating shaft is in rotating contact with the inner wall of the rotating shaft supporting sleeve, and the switch rotating wheel arranged at the upper end of the ball core rotating shaft is arranged above the valve cover supporting column.
preferably, the pressure regulating rotating shaft and the pressure regulating rotating shaft connecting seat are connected through threads, and a sealing ring is arranged at the connecting position of the pressure regulating rotating shaft connecting seat and the pressure regulating rotating shaft.
Preferably, the upper end of the first baffle is fixedly connected with the upper part of the inner wall of the valve body connecting pipe, the lower end of the second baffle is fixedly connected with the lower part of the inner wall of the valve body connecting pipe, the sealing plate is arranged at a passage between the first baffle and the second baffle in a sealing manner, the tangent plane of the first baffle is in an L shape, the lower surface of the sealing plate is in close contact with the lower part of the first baffle, and the lower surface of the sealing plate is in close contact with the upper surface of the second baffle.
Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:
1. When the ball core, the lower sealing block and the upper sealing block are subjected to long-term rotary abrasion, the lower surface of the lower sealing block is connected with the pressing spring to ensure that the lower sealing block is in close contact with the ball core, and the upper surface of the upper sealing block is connected with the pressing spring to ensure that the upper sealing block is in close contact with the ball core to prevent water leakage caused by spaciousness;
2. According to the invention, the valve body connecting pipe on the right side of the valve body is connected with the liquid inlet end, the displacement of the pressure regulating rotating shaft is controlled by rotating the pressure regulating rotating wheel, the pressing force of a pressing spring at the lower end of the pressure regulating rotating shaft on the sealing plate is regulated and controlled, when the channel pressure is greater than the pressing force of the pressing spring at the lower end of the pressure regulating rotating shaft on the sealing plate, the sealing plate is jacked up, and a medium enters an inner cavity of the valve;
3. When the ball core is in the open position and the medium flows reversely, the sealing plate in the pressure regulating device presses the lower part of the first baffle plate and the top of the second baffle plate downwards to prevent the medium from flowing reversely and protect the medium channel.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the structure of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
Fig. 4 is an enlarged view at B in fig. 3.
In the figure: the valve comprises a valve body 1, a valve core body 2, a valve cover 3, a pressure regulating device 4, a ball core 5, a ball core rotating shaft 6, a lower spring inner cavity 7, a lower sealing block 8, an upper sealing block 9, a valve body connecting flange 10, a valve cover top column 11, a valve cover connecting flange 12, a rotating shaft supporting sleeve 13, a valve body connecting pipe 14, a pressure regulating rotating shaft connecting seat 15, a pressure regulating rotating shaft 16, a sealing plate 17, a first baffle plate 18, a second baffle plate 19, a switch rotating wheel 20 and a pressure regulating rotating wheel 21.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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 given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: a composite ball valve with a pressure regulating device comprises a valve body 1, a valve core body 2, a valve cover 3 and a pressure regulating device 4, as shown in a combined drawing 1 and a drawing 3, a cylindrical inner cavity with an upward opening is arranged inside the valve body 1, a valve body connecting flange 10 is arranged at an upper opening of the valve body 1, a lower spring inner cavity 7 is arranged at the bottom of the inner cavity arranged on the valve body 1, a lower sealing block 8 is arranged above the lower spring inner cavity 7, the lower end surface of the lower sealing block 8 is in close contact with the bottom surface of the inner cavity of the valve body 1, a compression spring is arranged between the lower end surface of the lower sealing block 8 and the bottom surface of the lower spring inner cavity 7, the valve core body 2 is arranged inside the cavity arranged on the valve body 1, the valve core body 2 comprises a ball core 5 and a ball core rotating shaft 6, the ball core 5 is arranged above the lower sealing block 8, the ball core rotating shaft 6 is vertically arranged at the upper end, the upper sealing block 9 is provided with a valve cover 3, the valve cover 3 comprises a valve cover support 11 and a valve cover connecting flange 12, the valve cover connecting flange 12 is arranged in the middle of the outer wall of the valve cover support 11, the lower part of the valve cover support 11 is cylindrical, a rotating shaft support sleeve 13 is arranged below the inner part of the valve cover support 11, a compression spring is sleeved on the outer wall of the rotating shaft support sleeve 13, valve body connecting pipes 14 are arranged on two sides of the valve body 1, a pressure regulating device 4 is arranged in a valve body connecting pipe 14 arranged on the right side of the valve body 1, as shown in figure 4, the pressure regulating device 4 comprises a pressure regulating rotating shaft connecting seat 15, a pressure regulating rotating shaft 16, a sealing plate 17, a first baffle plate 18 and a second baffle plate 19, a pressure regulating rotating shaft connecting seat 15 is arranged above the valve body connecting pipe 14, the rotating shaft pressure regulating 16 is vertically inserted in the middle of, the first baffle 18 is disposed on the right side of the sealing plate 17, and the second baffle 19 is disposed on the left side of the sealing plate 17.
As shown in fig. 3, the outer walls of the lower sealing block 8 and the upper sealing block 9 are both in close contact with the inner wall of the inner cavity of the valve body 1, the upper surface of the lower sealing block 8 is a concave spherical surface, the upper surface of the lower sealing block 8 is in close contact with the lower surface of the ball core 5 in a matching manner, the lower surface of the upper sealing block 9 is a concave spherical surface, and the lower surface of the upper sealing block 9 is in close contact with the lower surface of the ball core 5 in a matching manner, so that good sealing performance is ensured.
All be equipped with evenly distributed's a plurality of bolt holes on valve body flange 10 and the valve gap flange 12, a plurality of bolt holes that set up on valve body flange 10 and the valve gap flange 12 correspond the setting, pass through bolt fixed connection between valve body flange 10 and the valve gap flange 12, fix valve gap 3.
As shown in fig. 2, the outer wall of the lower end of the valve bonnet fore-set 11 and the inner wall in close contact with the inner cavity of the valve body 1, and the contact part is provided with a sealing ring, ensure good sealing performance, the lower end face of the valve bonnet fore-set 11 and the rotating shaft supporting sleeve 13 and the upper surface in close contact with the upper sealing block 9, the valve bonnet fore-set 11 and the rotating shaft supporting sleeve 13 play a role in compressing and supporting the upper sealing block 9, the rotating shaft supporting sleeve 13 is sleeved with the outer wall of the compression spring and is connected with the upper surface of the upper sealing block 9, the rotating shaft supporting sleeve 13 is sleeved with the outer wall of the compression spring to ensure the lower surface of the upper sealing block.
as shown in fig. 3, the rotating shaft supporting sleeve 13 is sleeved outside the ball core rotating shaft 6, the outer wall of the ball core rotating shaft 6 is in rotational contact with the inner wall of the rotating shaft supporting sleeve 13, the rotating shaft supporting sleeve 13 can support the ball core rotating shaft 6 when the ball core rotating shaft 6 rotates, the switch rotating wheel 20 arranged at the upper end of the ball core rotating shaft 6 is arranged above the bonnet support 11, and the switch rotating wheel 20 adjusts the working state of the ball core 5 through the ball core rotating shaft 6.
the pressure regulating rotating shaft 16 is connected with the pressure regulating rotating shaft connecting seat 15 through threads, the pressure regulating rotating wheel 21 is rotated to control the displacement of the pressure regulating rotating shaft 16, the pressing force of a pressing spring at the lower end of the pressure regulating rotating shaft 16 on the sealing plate 17 is regulated and controlled, and a sealing ring is arranged at the joint of the pressure regulating rotating shaft connecting seat 15 and the pressure regulating rotating shaft 16 to prevent water leakage at the joint.
as shown in fig. 4, the upper end of the first baffle 18 is fixedly connected to the upper portion of the inner wall of the valve body connecting pipe 14, the lower end of the second baffle 19 is fixedly connected to the lower portion of the inner wall of the valve body connecting pipe 14, so that the inner channel of the valve body connecting pipe 14 is partitioned into a zigzag channel, the sealing plate 17 is arranged at the channel between the first baffle 18 and the second baffle 19 in a sealing manner to perform pressure limiting sealing, the cut surface of the first baffle 18 is L-shaped, the lower surface of the sealing plate 17 is in close contact with the lower portion of the first baffle 18, the lower surface of the sealing plate 17 is in close contact with the upper surface of the second baffle 19, and the sealing plate 17 can only be sprung upward and cannot be pressed downward, thereby functioning as a.
The working principle is as follows: when the invention works, flanges are arranged at two ends of a valve body connecting pipe 14 at two sides of a valve body 1, the flanges are connected with a medium channel through bolts, the valve body connecting pipe 14 at the right side of the valve body 1 is connected with a liquid inlet end, the displacement of a pressure regulating rotating shaft 16 is controlled by rotating the pressure regulating rotating wheel 21, the pressing force of a pressing spring at the lower end of the pressure regulating rotating shaft 16 on a sealing plate 17 is regulated and controlled, when the channel pressure is greater than the pressing force of the pressing spring at the lower end of the pressure regulating rotating shaft 16 on the sealing plate 17, the sealing plate 17 is jacked up, a medium enters an inner cavity of the valve body 1, the ball core 5 can be controlled to rotate by rotating a switching rotating wheel 20, the opening or closing of the medium channel is realized, when the ball core 5 is at an opening position and the medium flows reversely, the sealing plate 17 presses the lower part of a first baffle plate 18 and the top part of a second baffle plate 19, lower 8 lower surface connections of lower seal block are equipped with pressure spring, guarantee down seal block 8 with the in close contact with of ball core 5, go up 9 upper surface connections of seal block and be equipped with pressure spring, guarantee to go up seal block 9 and ball core 5 in close contact with, prevent to produce spaciousness and cause and leak.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (1)

1. The utility model provides a compound ball valve with pressure regulating device, includes valve body (1), case body (2), valve gap (3) and pressure regulating device (4), its characterized in that: an inner cavity with an upward opening is formed in the valve body (1), a valve body connecting flange (10) is arranged at an opening at the upper end of the valve body (1), a lower spring inner cavity (7) is arranged at the bottom of the inner cavity formed in the valve body (1), a lower sealing block (8) is arranged above the lower spring inner cavity (7), a compression spring is arranged between the lower end face of the lower sealing block (8) and the bottom face of the lower spring inner cavity (7), a valve core body (2) is arranged in the cavity formed in the valve body (1), the valve core body (2) comprises a ball core (5) and a ball core rotating shaft (6), the ball core (5) is arranged above the lower sealing block (8), the ball core rotating shaft (6) is vertically arranged at the upper end of the ball core (5), a switch rotating wheel (20) is arranged at the upper end of the ball core rotating shaft (6), an upper sealing block (9) is arranged above the ball core (5), and a, the valve cover (3) comprises a valve cover top column (11) and a valve cover connecting flange (12), the valve cover connecting flange (12) is arranged in the middle of the outer wall of the valve cover top column (11), a rotating shaft supporting sleeve (13) is arranged below the inside of the valve cover top column (11), a compression spring is sleeved on the outer wall of the rotating shaft supporting sleeve (13), valve body connecting pipes (14) are arranged on two sides of the valve body (1), a pressure regulating device (4) is arranged in the valve body connecting pipe (14) arranged on the right side of the valve body (1), the pressure regulating device (4) comprises a pressure regulating rotating shaft connecting seat (15), a pressure regulating rotating shaft (16), a sealing plate (17), a first baffle plate (18) and a second baffle plate (19), a pressure regulating rotating shaft connecting seat (15) is arranged above the valve body connecting pipe (14), the pressure regulating rotating shaft (16) is vertically arranged in the middle of the rotating, the lower end of the pressure regulating rotating shaft (16) is connected with a sealing plate (17) through a compression spring, a first baffle plate (18) is arranged on the right side of the sealing plate (17), and a second baffle plate (19) is arranged on the left side of the sealing plate (17);
The outer walls of the lower sealing block (8) and the upper sealing block (9) are both in tight contact with the inner wall of the inner cavity of the valve body (1), the upper surface of the lower sealing block (8) is an inwards concave spherical surface, the upper surface of the lower sealing block (8) is in tight contact with the lower surface of the ball core (5) in a matching way, the lower surface of the upper sealing block (9) is an inwards concave spherical surface, and the lower surface of the upper sealing block (9) is in tight contact with the lower surface of the ball core (5) in a matching way;
a plurality of bolt holes which are uniformly distributed are formed in the valve body connecting flange (10) and the valve cover connecting flange (12), a plurality of bolt holes which are formed in the valve body connecting flange (10) and the valve cover connecting flange (12) are correspondingly arranged, and the valve body connecting flange (10) and the valve cover connecting flange (12) are fixedly connected through bolts;
The outer wall of the lower end of the valve cover support column (11) is in close contact with the inner wall of an inner cavity formed in the valve body (1), a sealing ring is arranged at the contact position, the lower end faces of the valve cover support column (11) and the rotating shaft support sleeve (13) are in close contact with the upper surface of the upper sealing block (9), and a compression spring sleeved on the outer wall of the rotating shaft support sleeve (13) is connected with the upper surface of the upper sealing block (9);
The rotating shaft supporting sleeve (13) is sleeved outside the ball core rotating shaft (6), the outer wall of the ball core rotating shaft (6) is in rotating contact with the inner wall of the rotating shaft supporting sleeve (13), and the switch rotating wheel (20) arranged at the upper end of the ball core rotating shaft (6) is arranged above the valve cover supporting column (11);
The pressure regulating rotating shaft (16) is connected with the pressure regulating rotating shaft connecting seat (15) through threads, and a sealing ring is arranged at the connecting part of the pressure regulating rotating shaft connecting seat (15) and the pressure regulating rotating shaft (16);
The upper end of the first baffle (18) is fixedly connected with the upper part of the inner wall of the valve body connecting pipe (14), the lower end of the second baffle (19) is fixedly connected with the lower part of the inner wall of the valve body connecting pipe (14), the sealing plate (17) is arranged at a passage between the first baffle (18) and the second baffle (19) in a sealing manner, the section of the first baffle (18) is L-shaped, the lower surface of the sealing plate (17) is in close contact with the lower part of the first baffle (18), and the lower surface of the sealing plate (17) is in close contact with the upper surface of the second baffle (19);
when the composite ball valve with the pressure regulating device works, flanges are arranged at two ends of a valve body connecting pipe 14 at two sides of a valve body (1), the flanges are connected with a medium channel through bolts, the valve body connecting pipe (14) at the right side of the valve body (1) is connected with a liquid inlet end, the displacement of a pressure regulating rotating shaft (16) is controlled by rotating the pressure regulating rotating wheel (21), the pressing force of a pressing spring at the lower end of the pressure regulating rotating shaft (16) on a sealing plate (17) is regulated and controlled, when the channel pressure is greater than the pressing force of the pressing spring at the lower end of the pressure regulating rotating shaft (16) on the sealing plate (17), the sealing plate (17) is jacked up, a medium enters an inner cavity of the valve body (1), a ball core (5) can be controlled to rotate through rotating a switch rotating wheel (20), the opening or closing of the medium channel is realized, when the ball core (5) is at an opening position and the medium flows reversely, the sealing plate (, prevent the medium against the current, protect the medium passageway, when ball core (5) and lower seal block (8) and last seal block (9) carry out long-term rotation wearing and tearing, lower seal block (8) lower surface is connected and is equipped with pressure spring, guarantee down the in close contact with of seal block (8) with ball core (5), go up seal block (9) upper surface and connect and be equipped with pressure spring, guarantee to go up seal block (9) and ball core (5) in close contact, prevent to produce spaciousness and cause and leak.
CN201811469792.1A 2018-11-28 2018-11-28 Composite ball valve with pressure regulating device Active CN109611574B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811469792.1A CN109611574B (en) 2018-11-28 2018-11-28 Composite ball valve with pressure regulating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811469792.1A CN109611574B (en) 2018-11-28 2018-11-28 Composite ball valve with pressure regulating device

Publications (2)

Publication Number Publication Date
CN109611574A CN109611574A (en) 2019-04-12
CN109611574B true CN109611574B (en) 2019-12-10

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Application Number Title Priority Date Filing Date
CN201811469792.1A Active CN109611574B (en) 2018-11-28 2018-11-28 Composite ball valve with pressure regulating device

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925025U (en) * 1972-06-02 1974-03-04
JPS61137177U (en) * 1985-02-15 1986-08-26
CN1815070A (en) * 2005-01-31 2006-08-09 刘建新 Multifunctional automatic-adjusting seal ring ball valve
CN201306471Y (en) * 2008-12-08 2009-09-09 北京长空机械有限责任公司 Reversal valve
CN204083332U (en) * 2014-09-16 2015-01-07 江山市瑞申机械有限公司 A kind of ball valve with check function
CN204512454U (en) * 2015-04-02 2015-07-29 郑开端 A kind of Anti-leakage type aqueduct valve
CN204592379U (en) * 2015-04-28 2015-08-26 贺赫 A kind of ball valve preventing oil smoke counteroffensive in flue
CN108105414A (en) * 2018-01-01 2018-06-01 黄晓峰 It can the freeze proof ball valve of on-line maintenance

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4925025U (en) * 1972-06-02 1974-03-04
JPS61137177U (en) * 1985-02-15 1986-08-26
CN1815070A (en) * 2005-01-31 2006-08-09 刘建新 Multifunctional automatic-adjusting seal ring ball valve
CN201306471Y (en) * 2008-12-08 2009-09-09 北京长空机械有限责任公司 Reversal valve
CN204083332U (en) * 2014-09-16 2015-01-07 江山市瑞申机械有限公司 A kind of ball valve with check function
CN204512454U (en) * 2015-04-02 2015-07-29 郑开端 A kind of Anti-leakage type aqueduct valve
CN204592379U (en) * 2015-04-28 2015-08-26 贺赫 A kind of ball valve preventing oil smoke counteroffensive in flue
CN108105414A (en) * 2018-01-01 2018-06-01 黄晓峰 It can the freeze proof ball valve of on-line maintenance

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Effective date of registration: 20191114

Address after: 225300 Qintong industrial concentration zone, Jiangyan District, Taizhou City, Jiangsu Province

Applicant after: Jiang Suhai reaches ship valve industry Co., Ltd

Address before: 030801, Shanxi Agricultural University, Shanxi, Taigu Province, Jinzhong Province, Ming Yin South Road, No. 1

Applicant before: Gu Xiangrong

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