CN104089042A - Durable ball valve - Google Patents

Durable ball valve Download PDF

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Publication number
CN104089042A
CN104089042A CN201410344994.9A CN201410344994A CN104089042A CN 104089042 A CN104089042 A CN 104089042A CN 201410344994 A CN201410344994 A CN 201410344994A CN 104089042 A CN104089042 A CN 104089042A
Authority
CN
China
Prior art keywords
valve
bearing
ball
circle body
baffle plate
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
CN201410344994.9A
Other languages
Chinese (zh)
Inventor
田银东
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.)
Bright Automation Science And Technology Ltd Of Suzhou Skyworth
Original Assignee
Bright Automation Science And Technology Ltd Of Suzhou Skyworth
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bright Automation Science And Technology Ltd Of Suzhou Skyworth filed Critical Bright Automation Science And Technology Ltd Of Suzhou Skyworth
Priority to CN201410344994.9A priority Critical patent/CN104089042A/en
Publication of CN104089042A publication Critical patent/CN104089042A/en
Pending legal-status Critical Current

Links

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
    • F16K5/06Plug 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
    • F16K5/0663Packings
    • F16K5/0694Spindle sealings
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Taps Or Cocks (AREA)

Abstract

The invention discloses a durable ball valve which comprises a valve handle, a valve cover, a valve rod, a valve body and a ball. The valve handle is fixedly connected to the ball through the valve rod. The valve body contains a valve cavity which is used for mounting the ball. The valve rod is sleeved with a bearing A. The bearing A is arranged between the valve rod and the valve body, and the bearing A is in contact connection with both the valve rod and the valve body. A stuffing box is arranged between the valve rod and the valve body, and a sealing ring is arranged below the stuffing box. A draining device is arranged on the bottom of the valve cavity. The sealing ring comprises an upper ring body and a lower ring body, and the lower surface of the upper ring body makes tight contact with the upper surface of the lower ring body and forms an angle with the horizontal plane. Due to the fact that the ball valve comprises the sealing ring, the airtightness of the ball valve is enhanced. Due to the fact that the ball valve comprises the draining device, the bearing A is arranged between the valve rod and the valve body, and a bearing B is arranged between the bottom of the ball and the valve body, the service life of the ball valve is prolonged.

Description

A kind of durable ball valve
Technical field
The present invention relates to a kind of valve, specifically a kind of durable ball valve.
Background technique
Ball valve in use, is understood the gap that some liquid remains in valve body and spheroid, causes the corrosion of spheroid, and at arctic weather, when remaining liquid solidifies, can cause the stuck of ball valve even to damage, have a strong impact on using effect and the working life of ball valve.In ball valve switch process, valve rod is reversed repeatedly, and under the effect of system pressure, the liquid of the valve of flowing through and the solid particle in liquid are easy to enter the gap between valve rod and valve body, cause the stuck of the corrosion of valve rod and ball valve, also can affect using effect and the working life of ball valve.
Summary of the invention
The object of the present invention is to provide a kind of durable ball valve, to solve the problem proposing in above-mentioned background technology.
For achieving the above object, the invention provides following technological scheme:
A durable ball valve, comprises valve handle, valve gap, valve rod, valve body and spheroid; Described valve handle is fixedly connected with spheroid by valve rod; Described valve body includes valve pocket, and valve pocket is used for installing spheroid; On described valve rod, be arranged with bearing A; Described bearing A is located between valve rod and valve body, and bearing A all conflicts and is connected with valve body with valve rod; Between described valve rod and valve body, be provided with stuffing box, stuffing box has seal ring; Described valve pocket bottom is provided with pumping equipment; Described pumping equipment comprises baffle plate, bearing B and liquid port, baffle plate is fixed on spheroid bottom, bearing B is set on baffle plate and connects valve body, and bearing B all conflicts and is connected with baffle plate with valve body, when ball valve is opened, baffle plate rotates to liquid port top, valve pocket and liquid port are kept apart, and when ball valve is closed, baffle plate leaves liquid port, valve pocket and liquid port are connected, and in valve pocket, remaining liquid flows out from liquid port; Described seal ring comprises circle body and lower circle body, the upper surface close contact of the lower surface of upper circle body and lower circle body and horizontal by an angle.
As the further scheme of the present invention: described liquid port bottom is provided with Air Filter; The upper circle body of described seal ring and lower circle body are made by Expanded graphite or high-elastic packing; Described upper circle body and lower circle body and angle that horizontal plane is are 15 °~45 °, preferably 20 °; Described stuffing box is V-type filler.
Compared with prior art, the invention has the beneficial effects as follows: 1. this ball valve comprises pumping equipment, make ball valve can because of the liquid in valve pocket, not solidify and be frozen at cold snap, and greatly reduce the time of ball valve liquid body corrosion, extended the working life of ball valve.2. this ball valve comprises seal ring, and when valve rod and seal ring produce wearing and tearing due to long-time frequent switch, the upper circle body of seal ring and lower circle body can produce radial expansion and distortion under the effect of power, thereby the wearing and tearing of compensation valve rod and seal ring have guaranteed the sealing between valve rod and seal ring.3. between this ball-valve valve rod and valve body, be provided with bearing A, between spheroid bottom and valve body, be provided with bearing B, thereby it is laborsaving that this ball valve is opened and closed, and reduced the wearing and tearing of valve rod and spheroid, extended the working life of ball valve.
Accompanying drawing explanation
Fig. 1 is the structural representation of durable ball valve.
Fig. 2 is the position relationship schematic diagram of durable ball valve baffle plate and liquid port while opening.
Fig. 3 is the position relationship schematic diagram of durable ball valve baffle plate and liquid port while closing.
Fig. 4 is the partial enlarged drawing at G place in Fig. 1.
Fig. 5 is the partial enlarged drawing at H place in Fig. 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1~5, in the embodiment of the present invention, a kind of durable ball valve, comprises valve handle 1, valve gap 2, valve rod 3, valve body 4 and spheroid 5; Described valve handle 1 is fixedly connected with spheroid 5 by valve rod 3; Described valve body 4 includes valve pocket 8, and valve pocket 8 is for installing spheroid 5; On described valve rod 3, be arranged with bearing A6; Described bearing A6 is located between valve rod 3 and valve body 4, and bearing A6 all conflicts and is connected with valve body 4 with valve rod 3; Between described valve rod 3 and valve body 4, be provided with stuffing box 7, stuffing box 7 has seal ring 14; Described valve pocket 8 bottoms are provided with pumping equipment 9; Described pumping equipment 9 comprises baffle plate 10, bearing B11 and liquid port 12, and baffle plate 10 is fixed on spheroid 5 bottoms, and bearing B11 is set on baffle plate 10 and connects valve body 4, and bearing B11 all conflicts and is connected with baffle plate 10 with valve body 4.
Working principle of the present invention is: described pumping equipment 9, when ball valve is opened, baffle plate 10 rotates to liquid port 12 tops, valve pocket 8 and liquid port 12 are kept apart, thereby prevent ball valve leakage, when ball valve is closed, baffle plate 10 leaves liquid port 12, valve pocket 8 is connected with liquid port 12, the interior remaining liquid of valve pocket 8 flows out from liquid port 12, thereby make ball valve can because of the liquid in valve pocket 8, not solidify and be frozen at cold snap, and greatly reduce the time of ball valve liquid body corrosion, extended the working life of ball valve, described liquid port 12 bottoms are provided with Air Filter 13, and Air Filter 13 can prevent that extraneous dust from entering liquid port 12, described seal ring 14 comprises circle body 15 and lower circle body 16, wherein go up circle body 15 near packing layer 7, lower circle body 16 is near valve pocket 8, the upper surface close contact of the lower surface of upper circle body 15 and lower circle body 16 and horizontal by an angle, when valve rod 3 produces wearing and tearing with seal ring 14 due to long-time frequent switch, upper circle body 15 and lower circle body 16 can produce radial expansion and distortion under the effect of power, thereby the wearing and tearing of compensation valve rod 3 and seal ring 14, guaranteed the sealing between valve rod 3 and seal ring 14, prevent that liquid from entering packing layer 7 and then entering in bearing A6, corrosion bearing A6 causes ball valve stuck, the upper circle body 15 of described seal ring 14 and lower circle body 16 are made by Expanded graphite or high-elastic packing, described upper circle body 15 and lower circle body 16 are 15 °~45 ° with angle that horizontal plane is, preferably 20 °, described stuffing box 7 is V-type filler, between this ball-valve valve rod 3 and valve body 4, be provided with bearing A6, between spheroid 5 bottoms and valve body 4, be provided with bearing B11, thereby it is laborsaving that this ball valve is opened and closed, and reduced the wearing and tearing of valve rod 3 and spheroid 5, extended the working life of ball valve.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, no matter from which point, all should regard embodiment as exemplary, and be nonrestrictive, scope of the present invention is limited by claims rather than above-mentioned explanation, is therefore intended to include in the present invention dropping on the implication that is equal to important document of claim and all changes in scope.Any reference character in claim should be considered as limiting related claim.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should make specification as a whole, and the technological scheme in each embodiment also can, through appropriately combined, form other mode of executions that it will be appreciated by those skilled in the art that.

Claims (3)

1. a durable ball valve, comprises valve handle (1), valve gap (2), valve rod (3), valve body (4) and spheroid (5); It is characterized in that: described valve handle (1) is fixedly connected with spheroid (5) by valve rod (3); Described valve body (4) includes valve pocket (8), and valve pocket (8) is for installing spheroid (5); On described valve rod (3), be arranged with bearing A (6); Described bearing A (6) is located between valve rod (3) and valve body (4), and bearing A (6) all conflicts and is connected with valve body (4) with valve rod (3); Between described valve rod (3) and valve body (4), be provided with stuffing box (7), stuffing box (7) has seal ring (14); Described valve pocket (8) bottom is provided with pumping equipment (9); described pumping equipment (9) comprises baffle plate (10), bearing B (11) and liquid port (12), baffle plate (10) is fixed on spheroid (5) bottom, bearing B (11) is set in baffle plate (10) and goes up and connect valve body (4), bearing B (11) all conflicts and is connected with baffle plate (10) with valve body (4), when ball valve is opened, baffle plate (10) rotates to liquid port (12) top, valve pocket (8) and liquid port (12) are kept apart, when ball valve is closed, baffle plate (10) leaves liquid port (12), valve pocket (8) is connected with liquid port (12), in valve pocket (8), remaining liquid flows out from liquid port (12), described seal ring (14) comprises circle body (15) and lower circle body (16), the upper surface close contact of the lower surface of upper circle body (15) and lower circle body (16) and horizontal by an angle.
2. durable ball valve according to claim 1, is characterized in that: described liquid port (12) bottom is provided with Air Filter (13); Upper circle body (15) and the lower circle body (16) of described seal ring (14) are made by Expanded graphite or high-elastic packing; Described upper circle body (15) and lower circle body (16) are 15 °~45 ° with angle that horizontal plane is; Described stuffing box (7) is V-type filler.
3. durable ball valve according to claim 1 and 2, is characterized in that: described upper circle body (15) and lower circle body (16) are 20 ° with angle that horizontal plane is.
CN201410344994.9A 2014-07-19 2014-07-19 Durable ball valve Pending CN104089042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410344994.9A CN104089042A (en) 2014-07-19 2014-07-19 Durable ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410344994.9A CN104089042A (en) 2014-07-19 2014-07-19 Durable ball valve

Publications (1)

Publication Number Publication Date
CN104089042A true CN104089042A (en) 2014-10-08

Family

ID=51636784

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410344994.9A Pending CN104089042A (en) 2014-07-19 2014-07-19 Durable ball valve

Country Status (1)

Country Link
CN (1) CN104089042A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4143307A1 (en) * 1991-03-27 1992-10-01 Draxler Ernst Dipl Ing Fh Ball plug with two part housing containing ball-cock - has drive spindle and seals, with guide bolt in drive spindle pin, and includes friction bearing and screw
EP0937925A1 (en) * 1998-02-19 1999-08-25 James Wang Sealing gasket module for a valve
US20080217568A1 (en) * 2005-08-23 2008-09-11 Zhejiang China Valve Co., Ltd. Stem Seal
CN201368257Y (en) * 2009-01-09 2009-12-23 浙江沃孚阀门有限公司 Double-sealing ball valve
CN201661709U (en) * 2009-12-14 2010-12-01 浙江特技阀门有限公司 Ball valve
CN102678958A (en) * 2012-04-20 2012-09-19 浙江欧维克阀门有限公司 Self-tightening seal ball valve
CN203477413U (en) * 2013-09-02 2014-03-12 浙江阿珥楠阀门有限公司 Antifreeze ball valve
CN204004517U (en) * 2014-07-19 2014-12-10 苏州创维晟自动化科技有限公司 A kind of durable ball valve

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4143307A1 (en) * 1991-03-27 1992-10-01 Draxler Ernst Dipl Ing Fh Ball plug with two part housing containing ball-cock - has drive spindle and seals, with guide bolt in drive spindle pin, and includes friction bearing and screw
EP0937925A1 (en) * 1998-02-19 1999-08-25 James Wang Sealing gasket module for a valve
US20080217568A1 (en) * 2005-08-23 2008-09-11 Zhejiang China Valve Co., Ltd. Stem Seal
CN201368257Y (en) * 2009-01-09 2009-12-23 浙江沃孚阀门有限公司 Double-sealing ball valve
CN201661709U (en) * 2009-12-14 2010-12-01 浙江特技阀门有限公司 Ball valve
CN102678958A (en) * 2012-04-20 2012-09-19 浙江欧维克阀门有限公司 Self-tightening seal ball valve
CN203477413U (en) * 2013-09-02 2014-03-12 浙江阿珥楠阀门有限公司 Antifreeze ball valve
CN204004517U (en) * 2014-07-19 2014-12-10 苏州创维晟自动化科技有限公司 A kind of durable ball valve

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Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20141008