CN204114285U - A kind of pressure-detecting device - Google Patents

A kind of pressure-detecting device Download PDF

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Publication number
CN204114285U
CN204114285U CN201420547301.1U CN201420547301U CN204114285U CN 204114285 U CN204114285 U CN 204114285U CN 201420547301 U CN201420547301 U CN 201420547301U CN 204114285 U CN204114285 U CN 204114285U
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China
Prior art keywords
pressure
gauge
screw thread
stop valve
pressure gauge
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CN201420547301.1U
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Chinese (zh)
Inventor
丁德军
白小众
姚博
贾立东
吴名
谷文渊
柏晓峰
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China Oil and Gas Pipeline Network Corp
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China Petroleum and Natural Gas Co Ltd
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Priority to CN201420547301.1U priority Critical patent/CN204114285U/en
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Abstract

The utility model discloses a kind of pressure-detecting device, be applied in pipeline, described device comprises: pressure gauge, and described pressure gauge is connected with one end of GAUGE CONNECTOR; GAUGE CONNECTOR, the other end of described GAUGE CONNECTOR is connected with one end of stop valve for pressure gauge; Stop valve for pressure gauge, the other end of described stop valve for pressure gauge is connected with one end of pressure short circuit; Pressure short circuit, the other end of described pressure short circuit is connected with described pipeline; Be connected with the direct of described stop valve for pressure gauge by described GAUGE CONNECTOR, detect the pressure of described pipeline.So, make described GAUGE CONNECTOR and described stop valve for pressure gauge without the need to just can be directly connected by intermediate connector, improve installation efficiency, avoid being subject in the restriction of installing space.

Description

A kind of pressure-detecting device
Technical field
The utility model relates to oil equipment technical field, particularly relates to a kind of pressure-detecting device.
Background technique
At present, in process of oil production, need the pressure of Real-Time Monitoring oil transport pipeline, ensure production safety.In existing pressure-detecting device, the pressure gauge of to be outside thread model be M20 × 1.5 usually adopted, screw thread model is the GAUGE CONNECTOR of M20 × 1.5; The screw thread that the diameter of described M20 × 1.5 is 20 millimeters, pitch is 1.5 millimeters; And stop valve for pressure gauge is not equipped with the screw thread of this model, therefore when described GAUGE CONNECTOR is connected with stop valve for pressure gauge, need to choose to carry out screw thread coupling by the intermediate connector of Multiple Type, guarantee pressure-detecting device is installed smoothly.
But when production scene setting pressure detection device, because mounting points is many, installing space is limited, and the size restrictions of the meter connector standard piece that is under pressure to a great extent, installs loaded down with trivial details, operation inconvenience.
Model utility content
For prior art Problems existing, in various embodiment of the present utility model, a kind of pressure-detecting device is provided, by improving the interface of described stop valve for pressure gauge, make described GAUGE CONNECTOR and described stop valve for pressure gauge without the need to just can be directly connected by intermediate connector, simplify installation.
The technical solution of the utility model is achieved in that
The utility model embodiment provides a kind of pressure-detecting device, is applied in pipeline, and described device comprises:
Pressure gauge, described pressure gauge is connected with one end of GAUGE CONNECTOR;
GAUGE CONNECTOR, the other end of described GAUGE CONNECTOR is connected with one end of stop valve for pressure gauge;
Stop valve for pressure gauge, the other end of described stop valve for pressure gauge is connected with one end of pressure short circuit;
Pressure short circuit, the other end of described pressure short circuit is connected with described pipeline; Be connected with the direct of described stop valve for pressure gauge by described GAUGE CONNECTOR, detect the pressure of described pipeline.
In such scheme, one end of described stop valve for pressure gauge is provided with the first screw thread, and the other end of described GAUGE CONNECTOR is provided with the second screw thread; Wherein,
The other end of described GAUGE CONNECTOR and one end of described stop valve for pressure gauge are spun by described first screw thread, described second screw thread.
In such scheme, the specification of described first screw thread, described second screw thread is identical, wherein,
The diameter of described first screw thread, described second screw thread is 20 millimeters, pitch is 1.5 millimeters, sense of rotation is left-handed.
In such scheme, the other end of described stop valve for pressure gauge is provided with the 3rd screw thread, and one end of described pressure short circuit is provided with the 4th screw thread; Wherein,
The other end of described stop valve for pressure gauge and one end of described pressure short circuit are spun by described 3rd screw thread, described 4th screw thread.
In such scheme, the other end of described pressure short circuit is connected with described pipeline by welding.
In such scheme, described 3rd screw thread is 1/2 Taper Pipe 1/2NPT internal thread.
In such scheme, described stop valve for pressure gauge comprises: valve rod, handle, gland, polytetrafluoroethylsealing sealing tape, the first valve body, sealing gasket, the second valve body, spool; Wherein,
One end of described valve rod is connected with described handle, and the angle between the medial axis of described handle and the medial axis of described valve rod is right angle;
Described gland, described polytetrafluoroethylsealing sealing tape connect successively on described valve rod; Described first valve body is arranged on the outside of described gland, described polytetrafluoroethylsealing sealing tape, and the lower end of described first valve body is connected with described second valve body by described sealing gasket;
Described second valve body is arranged on the other end of described valve rod, and is provided with described spool in described second valve body.
The pressure-detecting device that the utility model embodiment provides, is applied in pipeline, and described device comprises: pressure gauge, and described pressure gauge is connected with one end of GAUGE CONNECTOR; GAUGE CONNECTOR, the other end of described GAUGE CONNECTOR is connected with one end of stop valve for pressure gauge; Stop valve for pressure gauge, the other end of described stop valve for pressure gauge is connected with one end of pressure short circuit; Pressure short circuit, the other end of described pressure short circuit is connected with described pipeline; Be connected with the direct of described stop valve for pressure gauge by described GAUGE CONNECTOR, detect the pressure of described pipeline.So, described GAUGE CONNECTOR and described stop valve for pressure gauge do not need intermediate connector to be directly connected, and reduce installing space, easy for installation, are easy to promote.
Accompanying drawing explanation
The overall structure schematic diagram of the pressure-detecting device that Fig. 1 provides for the utility model embodiment;
The front view of the GAUGE CONNECTOR that Fig. 2 provides for the utility model embodiment;
The front view of the stop valve for pressure gauge that Fig. 3 provides for the utility model embodiment.
Description of reference numerals:
11-pressure gauge; 12-GAUGE CONNECTOR; 13-stop valve for pressure gauge; 14-pressure short circuit; 15-pipeline; L1-first length; L2, the second length; L3, the 3rd length; 31-valve rod; 32-handle; 33-gland; 34-polytetrafluoroethylsealing sealing tape; 35-first valve body; 36-sealing gasket; 37-second valve body.
Embodiment
In order to the installation procedure of pressure-detecting device in petroleum pipeline effectively can be simplified, in various embodiment of the present utility model, provide a kind of pressure-detecting device, be applied in pipeline, described device comprises: pressure gauge, and described pressure gauge is connected with one end of GAUGE CONNECTOR; GAUGE CONNECTOR, the other end of described GAUGE CONNECTOR is connected with one end of stop valve for pressure gauge; Stop valve for pressure gauge, the other end of described stop valve for pressure gauge is connected with one end of pressure short circuit; Pressure short circuit, the other end of described pressure short circuit is connected with described pipeline; Be connected with the direct of described stop valve for pressure gauge by described GAUGE CONNECTOR, detect the pressure of described pipeline.
Below by drawings and the specific embodiments, the technical solution of the utility model is described in further detail.
The utility model embodiment provides a kind of pressure-detecting device, and as shown in Figure 1, described device comprises:
Pressure gauge 11, described pressure gauge 11 is connected with one end of GAUGE CONNECTOR 12;
GAUGE CONNECTOR 12, the other end of described GAUGE CONNECTOR 12 is connected with one end of stop valve for pressure gauge 13;
Stop valve for pressure gauge 13, the other end of described stop valve for pressure gauge 13 is connected with one end of pressure short circuit 14;
Pressure short circuit 14, the other end of described pressure short circuit 14 is connected with described pipeline 15; Be connected with described the direct of stop valve for pressure gauge 13 by described GAUGE CONNECTOR 12, detect the pressure of described pipeline 15.
Here, one end of described stop valve for pressure gauge 13 is provided with the first screw thread, and the other end of described GAUGE CONNECTOR 12 is provided with the second screw thread; Wherein,
The other end of described GAUGE CONNECTOR 12 and one end of described stop valve for pressure gauge 13 are spun by described first screw thread, described second screw thread.
The specification of described first screw thread, described second screw thread is identical, and wherein, the diameter of described first screw thread, described second screw thread is 20 millimeters, pitch is 1.5 millimeters, sense of rotation is left-handed M20 × 1.5 screw thread.
Here, one end of described GAUGE CONNECTOR 12 is provided with M20 × 1.5 internal thread, is connected with described pressure gauge 11 by described M20 × 1.5 internal thread.As shown in Figure 2, the first length L1 of described GAUGE CONNECTOR 12 is 28 millimeters, and the second length L2 of described GAUGE CONNECTOR 12 is 14 millimeters, and the 3rd length L3 of described GAUGE CONNECTOR 12 is 14 millimeters; Wherein, described first length L1 is the total length of described GAUGE CONNECTOR 12; Described second length L2 is the connecting length of described GAUGE CONNECTOR 12 and described stop valve for pressure gauge 13; Described second length L2 is the connecting length of described GAUGE CONNECTOR 12 and described pressure gauge 11.
In addition, the other end of described stop valve for pressure gauge 13 is provided with the 3rd screw thread, and one end of described pressure short circuit 14 is provided with the 4th screw thread; Wherein,
The other end of described stop valve for pressure gauge 13 and one end of described pressure short circuit 14 are spun by described 3rd screw thread, described 4th screw thread.
The other end of described pressure short circuit 14 is connected with described pipeline 15 by welding.
Wherein, described 3rd screw thread is 1/2 Taper Pipe 1/2NPT internal thread, or is ZG1/2 " screw thread." screw thread represents the entry end of described stop valve for pressure gauge 13 to described ZG1/2.
Here, as shown in Figure 3, described stop valve for pressure gauge 13 comprises: valve rod 31, handle 32, gland 33, polytetrafluoroethylsealing sealing tape 34, first valve body 35, sealing gasket 36, second valve body 37, spool 38; Wherein,
One end of described valve rod 31 is connected with described handle 32, and the angle between the medial axis of described handle 32 and the medial axis of described valve rod 31 is right angle;
Described gland 33, described polytetrafluoroethylsealing sealing tape 34 connect successively on described valve rod 31; Described first valve body 35 is arranged on the outside of described gland 33, described polytetrafluoroethylsealing sealing tape 34, and the lower end of described first valve body 35 is connected with the second valve body 37 by described sealing gasket 36;
Described second valve body 37 is arranged on the other end of described valve rod 31, and is provided with described spool 38 in described second valve body 37.
Here, described stop valve for pressure gauge 13 produces according to these two kinds of design standards of the connection GB/T12224-2005 of many turning valves drive unit and needle-like stop valve JB/T7747-1995, and the performance of described stop valve for pressure gauge 13 is as follows:
Serviceability temperature can be: the scopes such as-20 DEG C ~+538 DEG C ,-70 DEG C ~-240 DEG C;
Applicable media can be: the multiple non-aggressive such as Oil, Water, Gas or Korrosionsmedium.
The one end of the stop valve for pressure gauge 13 that the utility model provides is provided with left-handed M20 × 1.5 screw thread, and the other end is provided with 1/2NPT internal thread, or is ZG1/2 " screw thread; Therefore, when setting pressure detection device, when described stop valve for pressure gauge 13 is with other equipment connections, the connection conversion without the need to intermediate connector just can be connected with other equipment, fast, easily not by spatial constraints.
In addition, the pressure-detecting device that the utility model embodiment provides has easy installation and removal, connects fastening feature, there is fire prevention, explosion-proof, voltage endurance capability is high, the advantage such as favorable sealing property, be the pressure-detecting device of a kind of Novel connection type in power station, oil refining, chemical plant installations and instrument measurement pipeline.
The above; be only preferred embodiment of the present utility model; be not intended to limit protection domain of the present utility model, all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (7)

1. a pressure-detecting device, is applied in pipeline, it is characterized in that, described device comprises:
Pressure gauge, described pressure gauge is connected with one end of GAUGE CONNECTOR;
GAUGE CONNECTOR, the other end of described GAUGE CONNECTOR is connected with one end of stop valve for pressure gauge;
Stop valve for pressure gauge, the other end of described stop valve for pressure gauge is connected with one end of pressure short circuit;
Pressure short circuit, the other end of described pressure short circuit is connected with described pipeline; Be connected with the direct of described stop valve for pressure gauge by described GAUGE CONNECTOR, detect the pressure of described pipeline.
2. pressure-detecting device as claimed in claim 1, it is characterized in that, one end of described stop valve for pressure gauge is provided with the first screw thread, and the other end of described GAUGE CONNECTOR is provided with the second screw thread; Wherein,
The other end of described GAUGE CONNECTOR and one end of described stop valve for pressure gauge are spun by described first screw thread, described second screw thread.
3. pressure-detecting device as claimed in claim 2, it is characterized in that, the specification of described first screw thread, described second screw thread is identical, wherein,
The diameter of described first screw thread, described second screw thread is 20 millimeters, pitch is 1.5 millimeters, sense of rotation is left-handed.
4. pressure-detecting device as claimed in claim 1, it is characterized in that, the other end of described stop valve for pressure gauge is provided with the 3rd screw thread, and one end of described pressure short circuit is provided with the 4th screw thread; Wherein,
The other end of described stop valve for pressure gauge and one end of described pressure short circuit are spun by described 3rd screw thread, described 4th screw thread.
5. pressure-detecting device as claimed in claim 1, is characterized in that, the other end of described pressure short circuit is connected with described pipeline by welding.
6. pressure-detecting device as claimed in claim 4, it is characterized in that, described 3rd screw thread is 1/2 Taper Pipe 1/2NPT internal thread.
7. pressure-detecting device as claimed in claim 1, it is characterized in that, described stop valve for pressure gauge comprises: valve rod, handle, gland, polytetrafluoroethylsealing sealing tape, the first valve body, sealing gasket, the second valve body, spool; Wherein,
One end of described valve rod is connected with described handle, and the angle between the medial axis of described handle and the medial axis of described valve rod is right angle;
Described gland, described polytetrafluoroethylsealing sealing tape connect successively on described valve rod; Described first valve body is arranged on the outside of described gland, described polytetrafluoroethylsealing sealing tape, and the lower end of described first valve body is connected with described second valve body by described sealing gasket;
Described second valve body is arranged on the other end of described valve rod, and is provided with described spool in described second valve body.
CN201420547301.1U 2014-09-22 2014-09-22 A kind of pressure-detecting device Active CN204114285U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108051288A (en) * 2017-12-28 2018-05-18 武汉科技大学 A kind of PE pipelines pressue device and method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108051288A (en) * 2017-12-28 2018-05-18 武汉科技大学 A kind of PE pipelines pressue device and method

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TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20211112

Address after: Room 08-10, 6 / F, block a, No. 5, Dongtucheng Road, Chaoyang District, Beijing 100013

Patentee after: National Petroleum and natural gas pipeline network Group Co., Ltd

Address before: 100007 Oil Mansion, 9 North Avenue, Dongcheng District, Beijing, Dongzhimen

Patentee before: PetroChina Co Ltd