CN201764181U - Three-way block - Google Patents

Three-way block Download PDF

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Publication number
CN201764181U
CN201764181U CN2010205471662U CN201020547166U CN201764181U CN 201764181 U CN201764181 U CN 201764181U CN 2010205471662 U CN2010205471662 U CN 2010205471662U CN 201020547166 U CN201020547166 U CN 201020547166U CN 201764181 U CN201764181 U CN 201764181U
Authority
CN
China
Prior art keywords
snap ring
threeway
plug
plug handle
shutoff
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 - Lifetime
Application number
CN2010205471662U
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Chinese (zh)
Inventor
张威
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.)
TIANJIN GREENTSING PIPELINE TECHNOLOGY CO., LTD.
Original Assignee
TIANJIN LUQING PIPELINE TECHNOLOGY DEVELOPMENT 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 TIANJIN LUQING PIPELINE TECHNOLOGY DEVELOPMENT Co Ltd filed Critical TIANJIN LUQING PIPELINE TECHNOLOGY DEVELOPMENT Co Ltd
Priority to CN2010205471662U priority Critical patent/CN201764181U/en
Application granted granted Critical
Publication of CN201764181U publication Critical patent/CN201764181U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

The utility model discloses a three-way block, comprising a blind flange, a slotting flange with an operation channel, a three-way plug handle disposed in the operation channel, a three-way guard plate and a snap ring mechanism disposed on the slotting flange. The utility model is characterized in that one end of the slotting flange is fixedly connected to the three-way guard plate, and the other end of the slotting flange is detachably connected to the blind flange; the outer surface of the three-way plug handle is provided with a plug handle sealing groove and a snap ring locking groove; a plug handle sealing ring is disposed in the plug handle sealing groove. Used in hole opening or blocking operation in non-stopping oil gas transportation of petroleum industry and chemical industry, the utility model has advantages of enhancing the safety and reliability in the operation process of hole opening or blocking; simplifying operation process; improving work efficiency of hole opening of blocking operation.

Description

A kind of shutoff threeway
Technical field
The utility model relates to the connection mechanical device of field pipelines such as oil, chemical industry, particularly a kind of shutoff threeway that is used for the often defeated not stopping transportation perforate of pipeline of oil, chemical pressure pipeline, shutoff operation process.
Background technique
In petroleum industry and chemical engineering industry, oil gas normally utilizes pipeline to carry.Can be often on the pipe-line need under the situation of stopping transportation oil gas not, carry out perforate or shutoff operation, and in the prior art, do not carry out perforate under the situation of stopping transportation oil gas or mainly there is following technological deficiency in the shutoff operation: (a) sealing of perforate or shutoff operation is poor, oil gas is revealed easily, thereby makes the working security of perforate or shutoff operation reduce greatly; (b) operation of perforate or shutoff operation is comparatively complicated, and efficiency of construction is lower.
The model utility content
At the deficiencies in the prior art, the purpose of this utility model is to provide a kind of shutoff threeway that petroleum industry and chemical engineering industry do not carry out perforate or shutoff operation under the situation of stopping transportation oil gas that is used for, strengthen the safety reliability in perforate or the shutoff operation process, simplify procedures, improve the efficiency of construction of perforate or shutoff operation.
The technical solution of the utility model is achieved in that a kind of shutoff threeway, comprise blind flange, have operation path the fluting flange, be arranged on threeway plug handle, the threeway backplate in the described operation path and be arranged on snap ring mechanism on the described fluting flange; One end of described fluting flange is fixedlyed connected with described threeway backplate, and the other end and described blind flange removably connect; Described threeway plug handle outer surface is provided with plug handle seal groove and snap ring locking groove, is provided with plug handle seal ring in the described plug handle seal groove.
Above-mentioned shutoff threeway, described threeway backplate comprises backplate under threeway upper guard board and the threeway, forms cylindrical cavity between the backplate under described threeway upper guard board and the described threeway.
Above-mentioned shutoff threeway, described threeway upper guard board is fixedlyed connected by t-joint with described fluting flange.
Above-mentioned shutoff threeway, backplate is provided with hanger under the described threeway.
Above-mentioned shutoff threeway, described snap ring mechanism comprises snap ring nut, snap ring bolt and snap ring; Described snap ring nut and described snap ring bolt are by being threaded, described snap ring is installed on the end that described snap ring nut closes on described snap ring locking groove, the outer surface of described snap ring bolt is provided with the snap ring seal groove, is provided with the snap ring seal ring in the described snap ring seal groove.
Above-mentioned shutoff threeway closes on described snap ring bolt and is provided with the snap ring silk braid away from the described fluting flange of described snap ring one end, and described clasp wire cover is provided with the stifled and snap ring back-up ring of clasp wire.
Above-mentioned shutoff threeway, described threeway plug handle comprise plug handle body and the plug handle adapter of fixedlying connected with described plug handle body, and described plug handle seal groove and described snap ring locking groove are arranged on the outer surface of described plug handle body; Described plug handle body has a mesopore, and the two ends up and down of described mesopore are respectively arranged with plug and following plug, and plug to described time plug is disposed with ball pad, steel ball and plug handle spring on described in described mesopore.
Above-mentioned shutoff threeway is provided with the metal wound gasket between described blind flange and the described fluting flange.
Above-mentioned shutoff threeway is provided with hanger on the described blind flange.
The beneficial effects of the utility model are: when using shutoff threeway of the present utility model to carry out perforate or shutoff operation, the good airproof performance of perforate or shutoff operation prevents the oil gas leakage on the one hand, thereby guarantees the construction safety of perforate or shutoff operation; Simple to operate in perforate or shutoff operation on the other hand, the efficiency of construction height; In addition, present embodiment shutoff threeway simple in structure, the use that can match with perforator, aperture combination device, sandwich valve in the operation process, simple and efficient to handle, the efficient height, good sealing effect, safety is more reliable.
Description of drawings
Fig. 1 is the internal structure schematic representation of the utility model shutoff threeway;
Fig. 2 is the plan view of the utility model shutoff threeway shown in Figure 1;
Fig. 3 is the right elevation of the utility model shutoff threeway shown in Figure 1;
Fig. 4 is the structural representation of the snap ring mechanism of the utility model shutoff threeway;
Fig. 5 is the structural representation of the threeway plug handle of the utility model shutoff threeway.
Among the figure: 1-blind flange, the 2-flange of slotting, 2-1-operation path, 3-threeway plug handle, 3-1-plug handle seal groove, 3-2-snap ring locking groove, 3-3-plug handle seal ring, 3-4-plug handle is taken over the last plug of 3-5-, plug under the 3-6-, 3-7-plug handle spring, 3-8-ball pad, the 3-9-steel ball, 3-10-plug handle body, 4-snap ring mechanism, the 4-1-snap ring, 4-2-snap ring nut, 4-3-snap ring bolt, 4-4-snap ring seal groove, 4-5-snap ring seal ring, 4-6-snap ring silk braid, 4-7-snap ring plug, 4-8-snap ring back-up ring, 5-t-joint, 6-1-threeway upper guard board, 6-11-through hole, backplate under the 6-2-threeway, 7-metal wound gasket, 8-cylindrical cavity, 9-hanger.
Embodiment
In conjunction with the accompanying drawings the utility model is described further:
To shown in Figure 5, the shutoff threeway of present embodiment comprises blind flange 1, have the fluting flange 2 of operation path 2-1, be arranged on threeway plug handle 3, the threeway backplate in the described operation path 2-1 and be arranged on snap ring mechanism 4 on the described fluting flange 2 as Fig. 1.Be provided with metal wound gasket 7 between described blind flange 1 and the described fluting flange 2, described blind flange 1 is used to seal the operation path 2-1 of described fluting flange 2, and hanger 9 is set conveniently described blind flange 1 is operated on the described blind flange 1.One end of described fluting flange 2 is fixedlyed connected with described threeway backplate, and the other end and described blind flange 1 removably connect by screw bolt and nut.Described threeway plug handle 3 comprises that plug handle body 3-10 takes over 3-4 with the plug handle of fixedlying connected with described plug handle body 3-10, the outer surface of described plug handle body 3-10 is provided with plug handle seal groove 3-1 and snap ring locking groove 3-2, is provided with plug handle seal ring 3-3 in the described plug handle seal groove 3-1; Described plug handle body 3-10 has a mesopore, the two ends up and down of described mesopore are respectively arranged with plug 3-5 and following plug 3-6, and plug 3-5 is disposed with ball pad 3-8, steel ball 3-9 and fills in handle spring 3-7 to described plug 3-6 down on described in described mesopore.Described threeway backplate comprises backplate 6-2 under threeway upper guard board 6-1 and the threeway, form cylindrical cavity 8 under described threeway upper guard board 6-1 and the described threeway between the backplate 6-2, described cylindrical cavity 8 is by through hole 6-11 on the described threeway upper guard board 6-1 and described operation path 2-1 conducting; Described threeway upper guard board 6-1 is fixedlyed connected by t-joint 5 with described fluting flange 2; Backplate 6-2 is provided with hanger 9 under the described threeway.Described snap ring mechanism 4 comprises snap ring nut 4-2, snap ring bolt 4-3 and snap ring 4-1; Described snap ring nut 4-2 and described snap ring bolt 4-3 are by being threaded, described snap ring 4-1 is installed in described snap ring nut 4-2 and closes on the end of described snap ring locking groove 3-2, the outer surface of described snap ring bolt 4-3 is provided with snap ring seal groove 4-4, is provided with snap ring seal ring 4-5 in the described snap ring seal groove 4-4.Close on described snap ring bolt 4-3 and be provided with snap ring silk braid 4-6 away from the described fluting flange 2 of described snap ring 4-1 one end, described snap ring silk braid 4-6 is provided with snap ring plug 4-7 and snap ring back-up ring 4-8, and described snap ring silk braid 4-6 is threaded with described fluting flange 2.
The shutoff threeway of present embodiment is when carrying out perforate or shutoff operation, at first be to open described blind flange 1, make described snap ring nut 4-2 move by rotating described snap ring bolt 4-3 then towards direction away from described threeway plug handle 3, thereby drive described snap ring 4-1 and withdraw from described snap ring locking groove 3-2 to remove locking to described threeway plug handle 3, take out described threeway plug handle 3, to treat that by backplate 6-2 under described threeway upper guard board 6-1 and the described threeway operation pipeline is coated in the cylindrical cavity 8 that forms between the two, backplate 6-2 under described threeway upper guard board 6-1 and the described threeway is in the same place with treating the operation pipeline welding, perforate or shutoff equipment can be treated the operation pipeline by described operation path 2-1 and carry out perforate or shutoff operation again.After perforate or shutoff operation are finished, described threeway plug handle 3 is reinstalled in the described operation path 2-1; Then by 4 pairs of described threeway plug handle 3 lockings of described card converting mechanism; By screw bolt and nut described blind flange 1 is fixedlyed connected with described fluting flange 2 to realize the sealing to described operation path 2-1 at last.
When perforate or shutoff operation were carried out in the shutoff threeway of use present embodiment, the good airproof performance of perforate or shutoff operation prevented the oil gas leakage on the one hand, thereby guaranteed the construction safety of perforate or shutoff operation; Simple to operate in perforate or shutoff operation on the other hand, the efficiency of construction height; In addition, present embodiment shutoff threeway simple in structure, the use that can match with perforator, aperture combination device, sandwich valve in the operation process, simple and efficient to handle, the efficient height, good sealing effect, safety is more reliable.

Claims (9)

1. shutoff threeway, it is characterized in that, comprise blind flange (1), have operation path (2-1) fluting flange (2), be arranged on threeway plug handle (3), the threeway backplate in the described operation path (2-1) and be arranged on snap ring mechanism (4) on the described fluting flange (2); One end of described fluting flange (2) is fixedlyed connected with described threeway backplate, and the other end and described blind flange (1) removably connect; Described threeway plug handle (3) outer surface is provided with plug handle seal groove (3-1) and snap ring locking groove (3-2), is provided with plug handle seal ring (3-3) in the described plug handle seal groove (3-1).
2. shutoff threeway according to claim 1 is characterized in that, described threeway backplate comprises backplate (6-2) under threeway upper guard board (6-1) and the threeway, forms cylindrical cavity (8) under described threeway upper guard board (6-1) and the described threeway between the backplate (6-2).
3. shutoff threeway according to claim 2 is characterized in that, described threeway upper guard board (6-1) is fixedlyed connected by t-joint (5) with described fluting flange (2).
4. shutoff threeway according to claim 2 is characterized in that, backplate under the described threeway (6-2) is provided with hanger (9).
5. shutoff threeway according to claim 1 is characterized in that, described snap ring mechanism (4) comprises snap ring nut (4-2), snap ring bolt (4-3) and snap ring (4-1); Described snap ring nut (4-2) and described snap ring bolt (4-3) are by being threaded, described snap ring (4-1) is installed on the end that described snap ring nut (4-2) closes on described snap ring locking groove (3-2), the outer surface of described snap ring bolt (4-3) is provided with snap ring seal groove (4-4), is provided with snap ring seal ring (4-5) in the described snap ring seal groove (4-4).
6. shutoff threeway according to claim 5, it is characterized in that, close on described snap ring bolt (4-3) and be provided with snap ring silk braid (4-6) away from the described fluting flange (2) of described snap ring (4-1) end, described snap ring silk braid (4-6) is provided with snap ring plug (4-7) and snap ring back-up ring (4-8).
7. shutoff threeway according to claim 1, it is characterized in that, described threeway plug handle (3) comprises plug handle body (3-10) and the plug handle adapter (3-4) of fixedlying connected with described plug handle body (3-10), and described plug handle seal groove (3-1) and described snap ring locking groove (3-2) are arranged on the outer surface of described plug handle body (3-10); Described plug handle body (3-10) has a mesopore, the two ends up and down of described mesopore are respectively arranged with plug (3-5) and following plug (3-6), and plug (3-5) to described plug (3-6) down is disposed with ball pad (3-8), steel ball (3-9) and fills in handle spring (3-7) on described in described mesopore.
8. according to the arbitrary described shutoff threeway of claim 1 to 7, it is characterized in that, be provided with metal wound gasket (7) between described blind flange (1) and the described fluting flange (2).
9. according to the arbitrary described shutoff threeway of claim 1 to 7, it is characterized in that, hanger (9) is set on the described blind flange (1).
CN2010205471662U 2010-09-29 2010-09-29 Three-way block Expired - Lifetime CN201764181U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205471662U CN201764181U (en) 2010-09-29 2010-09-29 Three-way block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010205471662U CN201764181U (en) 2010-09-29 2010-09-29 Three-way block

Publications (1)

Publication Number Publication Date
CN201764181U true CN201764181U (en) 2011-03-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010205471662U Expired - Lifetime CN201764181U (en) 2010-09-29 2010-09-29 Three-way block

Country Status (1)

Country Link
CN (1) CN201764181U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103486396A (en) * 2013-09-30 2014-01-01 苏州市燃气设备阀门制造有限公司 Four-way sealing pipe connector
CN104421563A (en) * 2013-09-04 2015-03-18 中国石油天然气集团公司 Branch pipeline ventilation filter cover and preparation method thereof
CN104879591A (en) * 2015-06-03 2015-09-02 天津卓达管道机械制造有限公司 Plugging tee joint with detachable flange
CN105508786A (en) * 2016-01-27 2016-04-20 李明科 Pipeline connector for internal heating type vacuum brazing furnace

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104421563A (en) * 2013-09-04 2015-03-18 中国石油天然气集团公司 Branch pipeline ventilation filter cover and preparation method thereof
CN103486396A (en) * 2013-09-30 2014-01-01 苏州市燃气设备阀门制造有限公司 Four-way sealing pipe connector
CN104879591A (en) * 2015-06-03 2015-09-02 天津卓达管道机械制造有限公司 Plugging tee joint with detachable flange
CN105508786A (en) * 2016-01-27 2016-04-20 李明科 Pipeline connector for internal heating type vacuum brazing furnace

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 301712, Wuqing District, Tianjin City, the ancient town of King Zhuang Economic Zone

Patentee after: TIANJIN GREENTSING PIPELINE TECHNOLOGY CO., LTD.

Address before: 301712 Tianjin District of Wuqing City Industrial Park Road No. 8 Keihin Taiyuan

Patentee before: Tianjin Luqing Pipeline Technology Development Co., Ltd.

CX01 Expiry of patent term

Granted publication date: 20110316

CX01 Expiry of patent term