CN210487159U

CN210487159U - Pressure sensor for oil gas recovery mechanism

Info

Publication number: CN210487159U
Application number: CN201921873254.9U
Authority: CN
Inventors: 杨亮亮
Original assignee: Suzhou Daoerfei Electronic Technology Co Ltd
Current assignee: Suzhou Daoerfei Electronic Technology Co Ltd
Priority date: 2019-11-03
Filing date: 2019-11-03
Publication date: 2020-05-08
Anticipated expiration: 2029-11-03

Abstract

The utility model discloses a pressure sensor for vapor recovery system mechanism, the power nut comprises a nut, one side surface of nut is provided with the switching box, the lower extreme surface of switching box is provided with the protecting tube, the lower extreme surface of protecting tube is provided with the measuring head, the protecting tube includes heat insulating layer, stainless steel layer, waterproof layer and a sealing washer, the inner wall on heat insulating layer is provided with the stainless steel layer, the inner wall on stainless steel layer is provided with a sealing washer, the inner wall of a sealing washer is provided with the waterproof layer. A pressure sensor for vapor recovery system mechanism, be equipped with protective tube and measuring head, can protect the inside components and parts of pressure sensor, reduce the influence of temperature to pressure sensor measurement accuracy, the pressure conduction hole on the measuring head can also effectually reduce instantaneous pressure to the inside impact of sensor, prevents that pressure sensor from damaging, brings better use prospect.

Description

Pressure sensor for oil gas recovery mechanism

Technical Field

The utility model relates to a pressure sensor technical field, in particular to pressure sensor for oil gas recovery mechanism.

Background

The pressure sensor is a device for measuring pressure, and with the continuous development of science and technology, people have higher and higher requirements on the manufacturing process of the pressure sensor.

The existing pressure sensor has certain disadvantages when in use, firstly, the measurement precision can be influenced by temperature, the use of people is not facilitated, in addition, the sensor can be damaged due to instantaneous large pressure, certain adverse influence is brought to the use process of people, and therefore the pressure sensor for the oil gas recovery mechanism is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a pressure sensor for oil gas recovery mechanism possesses advantages such as receive that the temperature influence is little, the durability is strong, can effectively solve the problem in the background art.

(II) technical scheme

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a pressure sensor for vapor recovery system mechanism, includes the nut, one side surface of nut is provided with the switching box, the lower extreme surface of switching box is provided with the protective tube, the lower extreme surface of protective tube is provided with the measuring head.

Preferably, the protective tube includes heat insulating layer, stainless steel layer, waterproof layer and a sealing washer, the inner wall on heat insulating layer is provided with the stainless steel layer, the inner wall on stainless steel layer is provided with a sealing washer, the inner wall of a sealing washer is provided with the waterproof layer.

Preferably, the measuring head comprises a shell, a damping medium, a second sealing ring and a pressure guide hole, the outer wall of the shell is provided with the second sealing ring, the pressure guide hole is formed in the outer surface of the lower end of the shell, and the damping medium is arranged on the inner wall of the shell.

Preferably, be provided with the double faced adhesive tape between heat insulation layer and the stainless steel layer, the inner wall on heat insulation layer and the outer wall on stainless steel layer pass through the double faced adhesive tape and are fixed connection, be provided with the powerful glue between stainless steel layer and the sealing washer No. one, the inner wall on stainless steel layer and the outer wall of sealing washer pass through the powerful glue and be fixed connection, be provided with the draw-in groove between waterproof layer and the sealing washer No. one, the outer wall of waterproof layer and the inner wall of sealing washer pass through the draw-in groove and be connected for dismantling.

Preferably, be provided with the mounting groove between shell and the No. two sealing washer, the outer wall of shell and the inner wall of No. two sealing washers pass through the mounting groove and be connected for dismantling, be provided with the activity groove between shell and the damping medium, the inner wall of shell and the outer wall of damping medium pass through the activity groove and be swing joint.

Preferably, a thread is arranged between the nut and the adapter box, and the outer surface of one side of the nut is detachably connected with the outer surface of one side of the adapter box through the thread.

(III) advantageous effects

Compared with the prior art, the utility model provides a pressure sensor for oil gas recovery mechanism possesses following beneficial effect:

1. this pressure sensor for oil gas recovery mechanism, protective tube through setting up, can protect inside components and parts, the heat conductivility on the heat insulating layer of setting is poor, thereby can reduce the influence of temperature to pressure sensor measurement accuracy, the intensity ratio on stainless steel layer is than higher, and corrosion-resistant performance is than excellent, be favorable to the sensor to use for a long time and can not damage, the waterproof layer can prevent steam corrosion pipeline, thereby strengthen the life-span of sensor, a sealing washer can fill in the part junction, keep pressure sensor inner seal's state, thereby prevent that liquid from getting into the damage sensor.

2. This pressure sensor for oil gas recovery mechanism, through the measuring head that sets up, can make the measured object get into, thereby measurement pressure, the measured object gets into from leading the pressure hole, the diameter of leading the pressure hole is 3MM, can effectually reduce the impact of instantaneous pressure to the sensor inside, the measured object promotes the motion of damping medium, thereby measurement pressure with inside diaphragm contact, prevent to strike and damage the diaphragm, be favorable to guaranteeing the measuring precision, No. two sealing washers can strengthen the seal of measuring head and protective tube, prevent that pressure sensor from damaging, whole pressure sensor for oil gas recovery mechanism simple structure, high durability and convenient operation, the effect of using is better for traditional mode.

Drawings

Fig. 1 is the utility model relates to a pressure sensor's for vapor recovery system mechanism overall structure schematic diagram.

Fig. 2 is the utility model relates to a pressure sensor's for vapor recovery system mechanism overall structure schematic diagram.

Fig. 3 is the utility model relates to a structural schematic of protective tube among pressure sensor for vapor recovery system mechanism.

Fig. 4 is the utility model relates to a structure diagram of measuring head in pressure sensor for oil gas recovery mechanism.

In the figure: 1. a nut; 2. a junction box; 3. a protective tube; 301. a thermal insulation layer; 302. a stainless steel layer; 303. a waterproof layer; 304. a first sealing ring; 4. a measuring head; 401. a housing; 402. a damping medium; 403. a second sealing ring; 404. and (6) pressure guide holes.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a pressure sensor for an oil gas recovery mechanism comprises a nut 1, wherein a switching box 2 is arranged on the outer surface of one side of the nut 1, a protective tube 3 is arranged on the outer surface of the lower end of the switching box 2, a measuring head 4 is arranged on the outer surface of the lower end of the protective tube 3, and the protective tube 3 has high overall strength, so that internal components can be protected.

Further, the protective tube 3 includes heat insulating layer 301, stainless steel layer 302, waterproof layer 303 and a sealing washer 304, and the inner wall of heat insulating layer 301 is provided with stainless steel layer 302, and the inner wall of stainless steel layer 302 is provided with a sealing washer 304, and the inner wall of a sealing washer 304 is provided with waterproof layer 303, and heat conductivility of heat insulating layer 301 is poor to can reduce the influence of temperature to pressure sensor measurement accuracy.

Further, the measuring head 4 comprises a shell 401, a damping medium 402, a second sealing ring 403 and a pressure guide hole 404, the outer wall of the shell 401 is provided with the second sealing ring 403, the pressure guide hole 404 is formed in the outer surface of the lower end of the shell 401, the damping medium 402 is arranged on the inner wall of the shell 401, the diameter of the pressure guide hole 404 is 3MM, the impact of the instantaneous pressure on the inside of the sensor can be effectively reduced, and the service life of the pressure sensor can be prolonged.

Further, be provided with the double faced adhesive tape between heat insulating layer 301 and the stainless steel layer 302, the inner wall of heat insulating layer 301 and the outer wall of stainless steel layer 302 pass through the double faced adhesive tape and are fixed connection, be provided with the powerful glue between stainless steel layer 302 and the sealing washer 304, the inner wall of stainless steel layer 302 and the outer wall of sealing washer 304 pass through the powerful glue and are fixed connection, be provided with the draw-in groove between waterproof layer 303 and the sealing washer 304, the outer wall of waterproof layer 303 and the inner wall of sealing washer 304 pass through the draw-in groove and be connected for dismantling, the intensity ratio of stainless steel layer 302 is higher, and the corrosion-resistant performance is more excellent, be favorable to the sensor to use for a long time can not damage.

Further, a mounting groove is formed between the housing 401 and the second sealing ring 403, the outer wall of the housing 401 and the inner wall of the second sealing ring 403 are detachably connected through the mounting groove, a movable groove is formed between the housing 401 and the damping medium 402, the inner wall of the housing 401 and the outer wall of the damping medium 402 are movably connected through the movable groove, and the second sealing ring 403 can enhance the tightness between the measuring head 4 and the protection pipe 3, so that the pressure sensor is prevented from being damaged.

Further, be provided with the screw thread between nut 1 and the switching box 2, one side surface of nut 1 and one side surface of switching box 2 pass through the screw thread and be connected for dismantling, and PLC and some instruments can be connected to switching box 2 to the real-time data of convenient control.

The working principle is as follows: firstly, a pressure sensor is installed at a proper position, when pressure needs to be measured, oil gas enters the measuring head 4 through the pressure guide hole 404, the arranged measuring head 4 can enable a measured substance to enter, so that the pressure is measured, the measured substance enters from the pressure guide hole 404, the diameter of the pressure guide hole 404 is 3MM, the impact of instantaneous pressure on the inside of the sensor can be effectively reduced, the measured substance pushes the damping medium 402 to move to be in contact with the internal diaphragm so as to measure the pressure, the diaphragm is prevented from being damaged by the impact, the measuring precision can be ensured, the tightness between the measuring head 4 and the protective pipe can be enhanced by the second sealing ring 403, the pressure sensor is prevented from being damaged, the protective pipe is arranged at the rear end of the pressure sensor, the internal components can be protected, the arranged heat insulation layer 301 has poor heat conduction performance, so that the influence of temperature on the measuring precision of the pressure sensor can be reduced, the strength, and corrosion-resistant performance is more excellent, be favorable to the sensor to use for a long time and can not damage, and waterproof layer 303 can prevent that steam from corroding the pipeline to strengthen the life-span of sensor, a sealing washer 304 can fill in the part junction, keeps pressure sensor inner seal's state, thereby prevents that liquid from getting into and damaging the sensor, and whole pressure sensor for oil gas recovery mechanism simple structure, convenient operation, the effect of using is better for traditional mode.

It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a pressure sensor for vapor recovery system mechanism, includes nut (1), its characterized in that: the outer surface of one side of nut (1) is provided with switching box (2), the lower extreme surface of switching box (2) is provided with protecting tube (3), the lower extreme surface of protecting tube (3) is provided with measuring head (4).

2. The pressure sensor for an oil and gas recovery mechanism according to claim 1, wherein: protective tube (3) are including heat insulating layer (301), stainless steel layer (302), waterproof layer (303) and sealing washer (304), the inner wall on heat insulating layer (301) is provided with stainless steel layer (302), the inner wall on stainless steel layer (302) is provided with sealing washer (304), the inner wall of sealing washer (304) is provided with waterproof layer (303).

3. The pressure sensor for an oil and gas recovery mechanism according to claim 1, wherein: measuring head (4) includes shell (401), damping medium (402), No. two sealing washer (403) and pressure guide hole (404), the outer wall of shell (401) is provided with No. two sealing washer (403), pressure guide hole (404) have been seted up to the lower extreme surface of shell (401), the inner wall of shell (401) is provided with damping medium (402).

4. The pressure sensor for an oil and gas recovery mechanism according to claim 2, wherein: be provided with the double faced adhesive tape between heat insulating layer (301) and stainless steel layer (302), the inner wall of heat insulating layer (301) and the outer wall of stainless steel layer (302) pass through the double faced adhesive tape and are fixed connection, be provided with the powerful adhesive tape between stainless steel layer (302) and a sealing washer (304), the inner wall of stainless steel layer (302) and the outer wall of a sealing washer (304) pass through the powerful adhesive tape and are fixed connection, be provided with the draw-in groove between waterproof layer (303) and a sealing washer (304), the outer wall of waterproof layer (303) and the inner wall of a sealing washer (304) pass through the draw-in groove and be connected for dismantling.

5. The pressure sensor for an oil and gas recovery mechanism according to claim 3, wherein: be provided with the mounting groove between shell (401) and No. two sealing washer (403), the outer wall of shell (401) passes through the mounting groove and is connected for dismantling with the inner wall of No. two sealing washer (403), be provided with movable groove between shell (401) and damping medium (402), the inner wall of shell (401) and the outer wall of damping medium (402) are swing joint through movable groove.

6. The pressure sensor for an oil and gas recovery mechanism according to claim 1, wherein: the nut (1) and the adapter box (2) are provided with threads, and the outer surface of one side of the nut (1) is detachably connected with the outer surface of one side of the adapter box (2) through the threads.