CN204004499U - A kind of double-valve-seat Double-sealing plate sluice valve - Google Patents

A kind of double-valve-seat Double-sealing plate sluice valve Download PDF

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Publication number
CN204004499U
CN204004499U CN201420473551.5U CN201420473551U CN204004499U CN 204004499 U CN204004499 U CN 204004499U CN 201420473551 U CN201420473551 U CN 201420473551U CN 204004499 U CN204004499 U CN 204004499U
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CN
China
Prior art keywords
valve
seat
flashboard
double
outer seat
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.)
Expired - Fee Related
Application number
CN201420473551.5U
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Chinese (zh)
Inventor
嵇才良
张广根
李志忠
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.)
JINHU COUNTY HENGLI MACHINERY Co Ltd
Original Assignee
JINHU COUNTY HENGLI MACHINERY 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.)
Filing date
Publication date
Application filed by JINHU COUNTY HENGLI MACHINERY Co Ltd filed Critical JINHU COUNTY HENGLI MACHINERY Co Ltd
Priority to CN201420473551.5U priority Critical patent/CN204004499U/en
Application granted granted Critical
Publication of CN204004499U publication Critical patent/CN204004499U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of double-valve-seat Double-sealing plate sluice valve, comprise valve body, outer seat, flashboard, valve rod, valve gap and mesopore steel ring, also comprise two interior valve seats, interior valve seat is assemblied in respectively in adjacent outer seat, form and be sealed and matched with outer seat (3), the end face contacting with outer seat at interior valve seat is provided with a groove, in groove, be provided with wavy spring, flashboard is placed between two interior valve seats, when flashboard is during in closed state, interior valve seat all forms and is sealed and matched with flashboard, and valve gap is fixed on valve body upper-end surface, and valve rod (5) is connected with flashboard through valve gap.Realize making under external force to fit tightly between flashboard and interior valve seat, rely on the elastic force of wavy spring to reach the forced seal of outer seat and valve body, outer seat and interior valve seat simultaneously.Valve rod is connected with flashboard by T-shaped groove, has automatic deflection adjusting, and the feature of sealing good stability is easily corrected processing and assembly error, is more conducive to valve seal.

Description

A kind of double-valve-seat Double-sealing plate sluice valve
Technical field
The utility model belongs to petroleum machinery field, is specifically related to a kind of double-valve-seat Double-sealing plate sluice valve.
Background technique
When recovery of subterranean oil and natural gas, plate valve is as main parts, and sealing configuration before traditional square chamber valve, not only difficulty of processing is large, matching requirements precision is not high, and in operation process, often there is the defect that pressure " runs, leaks ", and in use exist dismounting trouble, waste time and energy; But also there is sealing effect and the poor problem of Security.
Model utility content
Technical problem to be solved in the utility model is to overcome defect of the prior art, a kind of double-valve-seat Double-sealing plate sluice valve is provided, safe and reliable in the time of can guaranteeing work under high-risk medium water conservancy diversion working environment, can also take into account the working life of valve plate and valve seat and the convenience of maintenance simultaneously.
For solving the problems of the technologies described above, the utility model provides a kind of double-valve-seat Double-sealing plate sluice valve, comprise valve body, outer seat, flashboard, valve rod, valve gap and mesopore steel ring, valve body is threeway hollow structure, in valve body, be provided with valve pocket and entering along the horizontal formation of valve body, outlet fluid passage, valve pocket is run through in fluid passage, outer seat is two, outer seat be arranged at into, the connecting end place of outlet fluid passage and valve pocket, end face and outer radius at outer seat are respectively provided with a road sealing groove, in seal groove, be provided with O RunddichtringO, inside at outer seat is provided with shoulder hole, two interior valve seats are assemblied in respectively in adjacent outer seat, form and be sealed and matched with outer seat, the end face contacting with outer seat at interior valve seat is provided with a groove, in groove, be provided with wavy spring, flashboard is placed between two interior valve seats, when flashboard is during in closed state, interior valve seat all forms and is sealed and matched with flashboard, valve gap is fixed on valve body upper-end surface, valve rod is connected with flashboard through valve gap, valve rod is connected with flashboard by T-shaped groove.
As further improvement of the utility model, valve gap is fixed on the upper-end surface of valve body by screw bolt and nut, the bottom of valve gap and the top of valve body are all provided with annular groove, assembling mesopore steel ring in annular groove, the top of valve gap is provided with tapped hole and twice unthreaded hole, and in unthreaded hole, letter loads filler pad, filler and upper filler pad.
As further improvement of the utility model, the top of valve rod is provided with screw thread, is connected by left-handed trapezoidal thread with Stem Mut.
As further improvement of the utility model, Gland is connected with valve gap by internal thread.
The beneficial effect that the utility model reaches is: valve body is threeway hollow structure, in valve body, be provided with interior valve seat and outer seat, outer seat and the equal twice O RunddichtringO of interior valve seat external diameter, at interior valve seat, contact with outer seat in the groove of end face wavy spring is set, realize making under external force to fit tightly between flashboard and interior valve seat, rely on the elastic force of wavy spring to reach the forced seal of outer seat and valve body, outer seat and interior valve seat simultaneously.Valve rod is connected with flashboard by T-shaped groove, has automatic deflection adjusting, and the feature of sealing good stability is easily corrected processing and assembly error, is more conducive to valve seal.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model.
Fig. 2 is the positional structure schematic diagram of the interior valve seat of the utility model and outer seat.
Fig. 3 is wavy spring structural representation.
Fig. 4 is valve body structure schematic diagram.
Fig. 5 is the T-shaped groove structural representation of valve rod and flashboard.
Fig. 6 is the utility model valve closing schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described.Following examples are only for the technical solution of the utility model is more clearly described, and can not limit protection domain of the present utility model with this.
As shown in the figure, the utility model provides a kind of double-valve-seat Double-sealing plate sluice valve, comprise valve body 1, outer seat 3, flashboard 4, valve rod 5, valve gap 7 and mesopore steel ring 6, valve body 1 is threeway hollow structure, in valve body 1, be provided with valve pocket and entering along valve body 1 horizontal formation, outlet fluid passage, valve pocket is run through in fluid passage, outer seat 3 is two, outer seat 3 be arranged at into, the connecting end place of outlet fluid passage and valve pocket, end face and outer radius at outer seat 3 are respectively provided with a road sealing groove, in seal groove, be provided with O RunddichtringO, inside at outer seat 3 is provided with shoulder hole, two interior valve seats 2 are assemblied in respectively in adjacent outer seat 3, form and be sealed and matched with outer seat 3, the diameter of interior valve seat 2 is less than the diameter of outer seat 3, the end face contacting with outer seat 3 at interior valve seat 2 is provided with a groove, in groove, be provided with wavy spring 2-1, flashboard 4 is placed between two interior valve seats 2, when flashboard is during in closed state, interior valve seat 2 all forms and is sealed and matched with flashboard, valve gap 7 is fixed on valve body 1 upper-end surface, valve rod 5 is connected with flashboard 4 through valve gap 7, valve rod 5 is connected with flashboard 4 by T-shaped groove 5-1, valve gap 7 is fixed on the upper-end surface of valve body 1 by bolt 16 and nut 17, the top of the bottom of valve gap 7 and valve body 1 is all provided with annular groove, assembling mesopore steel ring 6 in annular groove, the top of valve gap 7 is provided with tapped hole and twice unthreaded hole, and in unthreaded hole, letter loads filler pad 9, filler 10 and upper filler pad 11, the top of valve rod 5 is provided with screw thread, is connected by left-handed trapezoidal thread with Stem Mut 13, Gland 12 is connected with valve gap 7 by internal thread, on valve gap 7, be also provided with injection moulding valve 8.Handwheel 14 forms with valve rod 5 interlocks the drive unit that drives valve opening and closing, and by rotation hand wheel 14, band ovable valve stem 5 moves up and down and controls flashboard 4, realizes the open and close of valve.When flashboard 4 is during in closed state, between outer seat 3 and interior valve seat 2, interior valve seat 2 and flashboard 4, all form and be sealed and matched.While dispatching from the factory assembling, on the top of Stem Mut 13, be threaded connection valve bonnet 15, be used for protecting the screw thread on valve rod 5 tops.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and distortion, these improvement and distortion also should be considered as protection domain of the present utility model.

Claims (4)

1. a double-valve-seat Double-sealing plate sluice valve, comprise valve body (1), outer seat (3), flashboard (4), valve rod (5), valve gap (7) and mesopore steel ring (6), it is characterized in that: described valve body (1) is threeway hollow structure, in valve body (1), be provided with valve pocket and entering along the horizontal formation of valve body (1), outlet fluid passage, valve pocket is run through in described fluid passage, described outer seat (3) is two, described outer seat (3) be arranged at into, the connecting end place of outlet fluid passage and valve pocket, described outer seat (3) is ring-type, end face and outer radius at described outer seat (3) are respectively provided with a road sealing groove, in seal groove, be provided with O RunddichtringO, inside at described outer seat (3) is provided with shoulder hole, two interior valve seats (2) are assemblied in respectively in adjacent outer seat (3), form and be sealed and matched with outer seat (3), at interior valve seat (2), be provided with a groove with the end face that outer seat (3) contacts, in groove, be provided with wavy spring (2-1), described flashboard (4) is placed between two interior valve seats (2), when flashboard is during in closed state, interior valve seat (2) all forms and is sealed and matched with flashboard, described valve gap (7) is fixed on valve body (1) upper-end surface, described valve rod (5) is connected with flashboard (4) through valve gap (7), described valve rod (5) is connected with flashboard (4) by T-shaped groove (5-1).
2. a kind of double-valve-seat Double-sealing plate sluice valve according to claim 1, it is characterized in that: described valve gap (7) is fixed on the upper-end surface of valve body (1) by bolt (16) and nut (17), the top of the bottom of described valve gap (7) and valve body (1) is all provided with annular groove, assembling mesopore steel ring (6) in described annular groove, the top of described valve gap (7) is provided with tapped hole and twice unthreaded hole, and in described unthreaded hole, letter loads filler pad (9), filler (10) and upper filler pad (11).
3. a kind of double-valve-seat Double-sealing plate sluice valve according to claim 1, is characterized in that: the top of described valve rod (5) is provided with screw thread, is connected by left-handed trapezoidal thread with Stem Mut (13).
4. a kind of double-valve-seat Double-sealing plate sluice valve according to claim 1, is characterized in that: described Gland (12) is connected with valve gap (7) by internal thread.
CN201420473551.5U 2014-08-21 2014-08-21 A kind of double-valve-seat Double-sealing plate sluice valve Expired - Fee Related CN204004499U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420473551.5U CN204004499U (en) 2014-08-21 2014-08-21 A kind of double-valve-seat Double-sealing plate sluice valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420473551.5U CN204004499U (en) 2014-08-21 2014-08-21 A kind of double-valve-seat Double-sealing plate sluice valve

Publications (1)

Publication Number Publication Date
CN204004499U true CN204004499U (en) 2014-12-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420473551.5U Expired - Fee Related CN204004499U (en) 2014-08-21 2014-08-21 A kind of double-valve-seat Double-sealing plate sluice valve

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104563960A (en) * 2015-01-29 2015-04-29 纽威石油设备(苏州)有限公司 Sand-proof valve
CN110375080A (en) * 2019-07-25 2019-10-25 中石化石油机械股份有限公司 A kind of pressure self-closing leak-stopping gate valve structure
CN113494620A (en) * 2021-07-27 2021-10-12 刘玉连 Gate valve
CN114962670A (en) * 2022-05-27 2022-08-30 盐城旭东机械有限公司 175MPa high-pressure large-drift-diameter gate valve
CN116498760A (en) * 2023-06-26 2023-07-28 什邡慧丰采油机械有限责任公司 Flat valve with combined double-valve-seat precise sealing structure and working method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104563960A (en) * 2015-01-29 2015-04-29 纽威石油设备(苏州)有限公司 Sand-proof valve
CN110375080A (en) * 2019-07-25 2019-10-25 中石化石油机械股份有限公司 A kind of pressure self-closing leak-stopping gate valve structure
CN113494620A (en) * 2021-07-27 2021-10-12 刘玉连 Gate valve
CN114962670A (en) * 2022-05-27 2022-08-30 盐城旭东机械有限公司 175MPa high-pressure large-drift-diameter gate valve
CN114962670B (en) * 2022-05-27 2023-11-07 盐城旭东机械有限公司 175MPa high pressure big latus rectum gate valve
CN116498760A (en) * 2023-06-26 2023-07-28 什邡慧丰采油机械有限责任公司 Flat valve with combined double-valve-seat precise sealing structure and working method
CN116498760B (en) * 2023-06-26 2023-08-22 什邡慧丰采油机械有限责任公司 Flat valve with combined double-valve-seat precise sealing structure and working method

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20141210

Termination date: 20150821

EXPY Termination of patent right or utility model