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CN203202341U - Square hole gate valve - Google Patents

Square hole gate valve Download PDF

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Publication number
CN203202341U
CN203202341U CN 201320129338 CN201320129338U CN203202341U CN 203202341 U CN203202341 U CN 203202341U CN 201320129338 CN201320129338 CN 201320129338 CN 201320129338 U CN201320129338 U CN 201320129338U CN 203202341 U CN203202341 U CN 203202341U
Authority
CN
China
Prior art keywords
outlet
flange
valve body
valve
valve 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.)
Expired - Fee Related
Application number
CN 201320129338
Other languages
Chinese (zh)
Inventor
施明飞
华俊强
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.)
SHANGHAI JF PETROLEUM MACHINERY CO Ltd
Original Assignee
SHANGHAI JF PETROLEUM 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 SHANGHAI JF PETROLEUM MACHINERY CO Ltd filed Critical SHANGHAI JF PETROLEUM MACHINERY CO Ltd
Priority to CN 201320129338 priority Critical patent/CN203202341U/en
Application granted granted Critical
Publication of CN203202341U publication Critical patent/CN203202341U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a square hole gate valve which comprises a valve body, an inlet flange, an inlet valve rod, an outlet flange and an outlet valve rod. The inlet valve rod is arranged between the valve body and the inlet flange, and the outlet valve rod is arranged between the valve body and the outlet flange. The diameter of the end, close to the valve body, of the inlet valve body is smaller than the diameter of the end, close to the inlet flange, of the inlet valve rod. The diameter of the end, close to the valve body, of the outlet valve rod is smaller than the diameter of the end, close to the outlet flange, of the outlet valve rod. A plurality of round holes are respectively formed in the inlet flange and the outlet flange. The centers of the round holes in the inlet flange are evenly distributed on a circle with the annular center of the outlet flange as the center. The centers of the round holes in the outlet flange are evenly distributed on a circle with the annular center of the outlet flange as the center. The hole in the center of the inlet flange is a valve inlet, and the hole in the center of the outlet flange is a valve outlet. The axis of the valve inlet is perpendicular to the axis of the valve outlet. The square hole gate valve is compact in structure, long in service life, good in sealing effect and small in size.

Description

A kind of square hole brake valve body
Technical field
The utility model relates to a kind of valve body, relates in particular to a kind of compact structure, long service life, good sealing effect, and the little square hole brake valve body of volume.
Background technique
Throttle valve is the key equipment in the drilling well control manifold, is a kind of by changing throttling cross section or chock length with the valve of control fluid flow.The tradition throttle valve that surges mostly is tubular construction greatly, mainly formed by valve body, valve gap, valve rod, flap, valve seat and the system of surging, described flap is cylindrical, in the bottom of cylinder one conical surface is set, change the throttling cross section by the relative position that changes between the flap conical surface and the valve seat, thereby realize fluid flow control.Because medium flow velocity between throttling flap and valve seat is very big, therefore very big to the erosive wear of valve body, flap, valve seat, people are on the basis of original barrel throttle thus, designed a kind of pattern throttle valve again, this throttle valve is provided with fusiform because of cambered surface at flap, by reducing fluid because of cambered surface to the washing away of flap, its effect is tangible.But this flap convection cell that has because of cambered surface does not have leading role, fluid easily produces in valve pocket and sends vortex air flow, to degree of the washing away increase of valve body and valve seat, and owing to send the existence of vortex air flow, cause the pressure control effect bad, brought very big potential safety hazard to well control.
The model utility content
At the problems referred to above, main purpose of the present utility model is to provide a kind of compact structure, long service life, good sealing effect, and the little square hole brake valve body of volume.
The utility model solves above-mentioned technical problem by following technical proposals: a kind of square hole brake valve body, and described square hole brake valve body comprises valve body, suction flange, import valve rod, outlet(discharge) flange, outlet valve rod;
Be the import valve rod between described valve body and the suction flange, be the outlet valve rod between valve body and the outlet(discharge) flange;
Sky was round table-like in described import valve rod and outlet valve rod presented;
The diameter of the close valve body end of described import valve rod is less than the diameter of described import valve rod near the suction flange end;
The diameter of the close valve body end of described outlet valve rod is less than the diameter of described outlet valve rod near the outlet(discharge) flange end;
The diameter of described suction flange and outlet(discharge) flange is identical;
All have a plurality of circular holes on described suction flange and the outlet(discharge) flange;
The ring center that the center of circle of a plurality of circular holes on the described suction flange is distributed in suction flange is on the circle in the center of circle;
The ring center that the center of circle of a plurality of circular holes on the described outlet(discharge) flange is distributed in outlet(discharge) flange is on the circle in the center of circle;
The hole at described suction flange center is the valve body import, and the hole at described outlet(discharge) flange center is valve outlet;
The axis of described valve body import and described valve outlet point-blank.
In specific embodiment of the utility model, described import valve rod and suction flange are one-body molded; Described outlet valve rod and outlet(discharge) flange are one-body molded.
In specific embodiment of the utility model, described import valve rod and outlet valve rod are all one-body molded with valve body.
In specific embodiment of the utility model, be provided with the groove of an annular between a plurality of circular holes on described valve body import and the described suction flange; Also be provided with the groove of an annular between a plurality of circular holes on described valve outlet and the described outlet(discharge) flange.
In specific embodiment of the utility model, be set to lead fillet between described import valve rod and the valve body.
In specific embodiment of the utility model, be set to lead fillet between described outlet valve rod and the valve body.
In specific embodiment of the utility model, the periphery of described valve body is tetrahedral structural type, and its described import valve rod face on same axis that neutralizes is provided with opening.
Positive progressive effect of the present utility model is: square hole brake valve body compact structure, long service life, good sealing effect that the utility model provides, and volume is little.
Description of drawings
Fig. 1 is the sectional view of the structural representation of the square hole brake valve body that provides of the utility model.
Fig. 2 is the left view of the structural representation of the square hole brake valve body that provides of the utility model.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
Fig. 1 is the sectional view of the structural representation of the square hole brake valve body that provides of the utility model, and Fig. 2 is the left view of the structural representation of the square hole brake valve body that provides of the utility model.Shown in Fig. 1-2: the square hole brake valve body that the utility model provides comprises valve body 1, suction flange 2, import valve rod 3, outlet(discharge) flange 4, outlet valve rod 5; Be import valve rod 3 between valve body 1 and the suction flange 2, be outlet valve rod 5 between valve body 1 and the outlet(discharge) flange 4; Sky was round table-like in import valve rod 3 and outlet valve rod 5 presented; The diameter of import valve rod 3 close valve body 1 ends is less than the diameter of import valve rod 3 near suction flange 2 ends.
The diameter of outlet valve rod 5 close valve body 1 ends is less than the diameter of described outlet valve rod 5 near outlet(discharge) flange 4 ends; Suction flange 2 is identical with the diameter of outlet(discharge) flange 4, all has a plurality of circular holes on suction flange 2 and the outlet(discharge) flange 4.
The ring center that the center of circle of a plurality of circular holes on the suction flange 2 is distributed in suction flange 2 is on the circle in the center of circle; The ring center that the center of circle of a plurality of circular holes on the outlet(discharge) flange 4 is distributed in outlet(discharge) flange 4 is on the circle in the center of circle; The hole at suction flange 2 centers is valve body import 6, and the hole at outlet(discharge) flange 4 centers is valve outlet 7; The axis of valve body import 6 and valve outlet 7 point-blank.
In specific implementation process of the present utility model, import valve rod 3 is one-body molded with suction flange 2; The form that outlet valve rod 5 and outlet(discharge) flange 4 are one-body molded or employing is threaded.
In specific implementation process of the present utility model, import valve rod 3 and outlet valve rod 5 be or form that employing be threaded one-body molded with valve body 1 all.
In specific implementation process of the present utility model, be provided with groove 9(such as Fig. 1 and 2 of an annular between a plurality of circular holes on valve body import 6 and the suction flange 2); Also be provided with groove 10(such as Fig. 1 of an annular between a plurality of circular holes on valve outlet 7 and the outlet(discharge) flange 4).
In specific implementation process of the present utility model, be set to lead fillet between import valve rod 3 and the valve body 1.
In specific implementation process of the present utility model, be set to lead fillet between outlet valve rod 5 and the valve body 1.
In specific implementation process of the present utility model, the periphery of valve body 1 is tetrahedral structural type, is provided with opening 8 with the face of inlet valve bar 3 on same axis in it.
Square hole brake valve body compact structure, long service life, good sealing effect that the utility model provides, and volume is little.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (7)

1. square hole brake valve body, it is characterized in that: described square hole brake valve body comprises valve body (1), suction flange (2), import valve rod (3), outlet(discharge) flange (4), outlet valve rod (5);
Be import valve rod (3) between described valve body (1) and the suction flange (2), be outlet valve rod (5) between valve body (1) and the outlet(discharge) flange (4);
Sky was round table-like in described import valve rod (3) and outlet valve rod (5) presented;
The diameter that described import valve rod (3) is held near suction flange (2) less than described import valve rod (3) near the diameter of valve body (1) end;
The diameter that described outlet valve rod (5) is held near outlet(discharge) flange (4) less than described outlet valve rod (5) near the diameter of valve body (1) end;
Described suction flange (2) is identical with the diameter of outlet(discharge) flange (4);
All have a plurality of circular holes on described suction flange (2) and the outlet(discharge) flange (4);
The ring center that the center of circle of a plurality of circular holes on the described suction flange (2) is distributed in suction flange (2) is on the circle in the center of circle;
The ring center that the center of circle of a plurality of circular holes on the described outlet(discharge) flange (4) is distributed in outlet(discharge) flange (4) is on the circle in the center of circle;
The hole at described suction flange (2) center is valve body import (6), and the hole at described outlet(discharge) flange (4) center is valve outlet (7);
The axis of described valve body import (6) and described valve outlet (7) point-blank.
2. square hole brake valve body according to claim 1 is characterized in that: described import valve rod (3) is one-body molded with suction flange (2); Described outlet valve rod (5) is one-body molded with outlet(discharge) flange (4).
3. square hole brake valve body according to claim 1 is characterized in that: described import valve rod (3) and outlet valve rod (5) are all one-body molded with valve body (1).
4. square hole brake valve body according to claim 1 is characterized in that: the groove (9) that is provided with an annular between a plurality of circular holes on described valve body import (6) and the described suction flange (2); Also be provided with the groove (10) of an annular between a plurality of circular holes on described valve outlet (7) and the described outlet(discharge) flange (4).
5. square hole brake valve body according to claim 1 is characterized in that: be set to lead fillet between described import valve rod (3) and the valve body (1).
6. square hole brake valve body according to claim 1 is characterized in that: be set to lead fillet between described outlet valve rod (5) and the valve body (1).
7. square hole brake valve body according to claim 1, it is characterized in that: the periphery of described valve body (1) is tetrahedral structural type, its described import valve rod (3) face on same axis that neutralizes is provided with opening (8).
CN 201320129338 2013-03-20 2013-03-20 Square hole gate valve Expired - Fee Related CN203202341U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320129338 CN203202341U (en) 2013-03-20 2013-03-20 Square hole gate valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320129338 CN203202341U (en) 2013-03-20 2013-03-20 Square hole gate valve

Publications (1)

Publication Number Publication Date
CN203202341U true CN203202341U (en) 2013-09-18

Family

ID=49146450

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320129338 Expired - Fee Related CN203202341U (en) 2013-03-20 2013-03-20 Square hole gate valve

Country Status (1)

Country Link
CN (1) CN203202341U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104315218A (en) * 2014-09-19 2015-01-28 陈绪英 Valve body and flange integrated connection type forged steel gate valve
CN112431957A (en) * 2020-11-30 2021-03-02 江苏福达电器有限公司 Stop valve that working strength is high

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104315218A (en) * 2014-09-19 2015-01-28 陈绪英 Valve body and flange integrated connection type forged steel gate valve
CN112431957A (en) * 2020-11-30 2021-03-02 江苏福达电器有限公司 Stop valve that working strength is high

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Legal Events

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
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130918

Termination date: 20210320