CN210922943U - Explosion-proof pressure transmitter - Google Patents

Explosion-proof pressure transmitter Download PDF

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Publication number
CN210922943U
CN210922943U CN201921933402.1U CN201921933402U CN210922943U CN 210922943 U CN210922943 U CN 210922943U CN 201921933402 U CN201921933402 U CN 201921933402U CN 210922943 U CN210922943 U CN 210922943U
Authority
CN
China
Prior art keywords
cylindrical barrel
cylinder
axis
pressure transmitter
bolt
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
CN201921933402.1U
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Chinese (zh)
Inventor
俞强
郭义青
丁云霞
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.)
Nanjing Hangjia Electronic Technology Co ltd
Original Assignee
Nanjing Hangjia Electronic Technology 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 Nanjing Hangjia Electronic Technology Co ltd filed Critical Nanjing Hangjia Electronic Technology Co ltd
Priority to CN201921933402.1U priority Critical patent/CN210922943U/en
Application granted granted Critical
Publication of CN210922943U publication Critical patent/CN210922943U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a flame-proof type pressure transmitter belongs to the safety inspection field. Wherein, include: the device comprises an upper cylindrical barrel, a cylindrical barrel and a lower cylindrical barrel, wherein the upper cylindrical barrel is positioned on the top surface of the cylindrical barrel and is rigidly connected with the top surface of the cylindrical barrel; the cylindrical barrel is arranged at the bottom of the upper cylindrical barrel; the cylinder is rigidly connected with the lower cylinder; insulating bottom and stud fixed connection down, the utility model discloses a totally enclosed welding's packaging technology can be applicable to various detection and control equipment's use, improve equipment's stability, safe flame proof.

Description

Explosion-proof pressure transmitter
Technical Field
The utility model relates to a safety inspection field, especially a flame-proof type pressure transmitter.
Background
The working principle of the existing pressure transmitter is to convert pressure into pneumatic signals or electric signals for control and remote transmission, and the device can convert physical pressure parameters of gas, liquid and the like sensed by a load cell sensor into standard electric signals to be supplied to secondary instruments such as an indication alarm instrument, a recorder, a regulator and the like for measurement, indication and process regulation, and has the following defects in the prior art: the sealing performance is poor, the shell protection level is low, and the anti-interference performance is weak.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the explosion-proof pressure transmitter is composed of a full-seal welded packaging technology and a high-quality sensor, the application range of the device is enlarged, the safety and stability of components are guaranteed, different working environments can be faced, and the problems in the prior art are solved.
The technical scheme of the utility model is realized like this:
a flame-proof type pressure transmitter comprises; the left end and the right end of the upper cylindrical barrel are both provided with openings, internal threads are arranged at the openings, and the internal threads are fixedly connected with the bolts; the upper cylindrical barrel is rigidly connected with the cylindrical barrel, and the axes of the upper cylindrical barrel and the cylindrical barrel are parallel and are not on the same plane; the display terminal comprises a cylindrical barrel, wherein the front end and the rear end of the cylindrical barrel are both provided with openings, external threads are arranged at the openings and are flexibly connected with terminal covers, and the display end covers are through holes which are fixedly connected with organic glass; the axis of the cylinder is vertical to the axis of the upper cylinder and tangent to the outer surface of the cylinder; the bolt holes are formed in the left end face and the right end face of the lower cylindrical barrel, the axis of each bolt hole is parallel to the axis of the cylindrical barrel, and the axes of the bolt holes are on the same plane; the lower cylinder is provided with an upper opening and a lower opening, an internal thread is arranged at the lower opening, the internal thread is fixedly connected with the stud bolt, and the stud bolt is internally provided with a through hole.
In a further embodiment, the upper cylindrical barrel is made of an aluminum alloy material and is located on the upper end face of the cylindrical barrel, the upper cylindrical barrel is connected with the cylindrical barrel in a welding mode, and the upper cylindrical barrel can be connected with a plurality of control devices through the design of two ports.
In a further embodiment, the bolt is made of stainless steel and is positioned at the left and right ports of the upper cylindrical barrel, the bolt is rotatably connected with internal threads at the ports, an O-shaped ring is added at the joint, and the O-shaped ring is made of fluororubber.
In a further embodiment, the cylinder is made of aluminum alloy, the external thread is rotatably connected with the wiring end cover, and an O-shaped ring is added at the connection part; the through hole is connected with the organic glass screw, and an O-shaped ring is added at the joint; the organic glass is arranged in the end cover of the display, and the axis of the cylindrical barrel is vertical to the surface of the organic glass.
In a further embodiment, the lower cylinder is made of aluminum alloy, the upper port of the lower cylinder is welded with the bottom of the cylinder, and the axis of the lower cylinder is vertical to the axis of the cylinder; the internal thread is connected with stud rotation, and O type circle is added to the junction, and this stud thread surface adds the thread seal area, stud chooses for use stainless steel material.
In a further embodiment, the lower cylinder and the stud are all on the same axis.
Has the advantages that: the explosion-proof pressure transmitter adopts a full-seal welding packaging technology and a high-quality sensor, the safety is greatly improved by selecting the material of the equipment and updating the chip, the full-seal welding can ensure that the electrical equipment can normally and stably work without being influenced by the external environment, and the application range is enlarged; the bolt adopts stainless steel material, and the junction adds the leakproofness of O type circle guarantee equipment, prevents that the entering of liquid gas from causing the circuit ageing.
Drawings
Fig. 1 is an assembly view of the present invention.
The reference numbers in the figures are: go up cylinder 1, wiring end cover 2, cylinder 3, organic glass 4, lower cylinder 5, display end cover 6, stud 7.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention; it will be apparent, however, to one skilled in the art that the present invention may be practiced without one or more of these specific details, and in other instances, features that are known in the art have not been described in order to avoid obscuring the present invention.
The utility model discloses an in the description, be a flame-proof type pressure transmitter.
As shown in fig. 1, the display device comprises an upper cylindrical tube 1, a wiring end cover 2, a cylindrical tube 3, organic glass 4, a lower cylindrical tube 5, a display end cover 6 and a stud bolt 7. The upper cylindrical barrel 1 is made of aluminum alloy materials, is welded at the top of the cylindrical barrel 3 and is used for connecting a port between an external lead and equipment; the wiring end cover 2 is made of an aluminum alloy material and used for protecting a port connected with internal equipment, and the wiring end cover 2 is coaxial with the cylindrical barrel 3 and is in threaded connection with the outside of the cylindrical barrel 3; the cylindrical barrel 3 is positioned at the bottom of the upper cylindrical barrel 1, the cylindrical barrel 3 is welded with the upper cylindrical barrel 1, and the cylindrical barrel 3 and the axis of the upper cylindrical barrel 1 are parallel and vertical and are not in the same plane; the organic glass 4 is connected with the display end cover 6 through screws, is arranged inside the display end cover 6 and is coaxially parallel to the wiring end cover 2, and is used for protecting the safety of the display and checking parameters of the display; the lower cylindrical barrel 3 is positioned at the bottom of the cylindrical barrel 3 and is welded with the cylindrical barrel 3, the lower cylindrical barrel 3 is vertical to the axis of the cylindrical barrel 3, the lower cylindrical barrel 3 is used for protecting an internal pressure sensor, bolt holes are formed in the left end and the right end of the lower cylindrical barrel 3, and the equipment is fixed on the support through the bolt holes by bolts; the display end cover 6 comprises organic glass 4 and an end cover, the organic glass 4 is connected with the end cover through a screw, and the display end cover 6 is coaxial with the cylindrical barrel 3 and is in threaded connection with the cylindrical barrel; the double-cylinder bolt is made of stainless steel materials, the top of the stud bolt 7 is in threaded connection with the lower cylinder 3 and is coaxial, and the bottom of the stud bolt 7 is in threaded connection with the detection pipeline and is used for connecting the fixed equipment with the detection liquid pipeline.
According to a flame-proof type pressure transmitter technical scheme, the utility model discloses specific working process as follows: the explosion-proof pressure transmitter is fixed in a detected liquid pipeline through double-head naked double fixing, the bolt fixes equipment on a rack through a bolt hole, pressure signals received by the pressure sensor inside the lower cylindrical barrel 3 are transmitted to a chip of a circuit board inside the cylindrical barrel 3, pressure energy conversion digital signals are transmitted on a display screen, a wire led out through the upper cylindrical barrel 1 is connected to a computer, the outside of the equipment is welded integrally by aluminum alloy, the sealing performance is good, and the long-term stable work can be realized.
As described above, although the present invention has been shown and described with reference to certain preferred embodiments, it should not be construed as limited to the invention itself, but may be modified in form and detail without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (5)

1. A flame-proof type pressure transmitter is characterized by comprising;
the left end and the right end of the upper cylindrical barrel are both provided with openings, internal threads are arranged at the openings, and the internal threads are fixedly connected with the bolts; the upper cylindrical barrel is rigidly connected with the cylindrical barrel, and the axes of the upper cylindrical barrel and the cylindrical barrel are parallel and are not on the same plane;
the display terminal comprises a cylindrical barrel, wherein the front end and the rear end of the cylindrical barrel are both provided with openings, external threads are arranged at the openings and are flexibly connected with terminal covers, and the display end covers are through holes which are fixedly connected with organic glass; the axis of the cylinder is vertical to the axis of the upper cylinder and tangent to the outer surface of the cylinder;
the bolt holes are formed in the left end face and the right end face of the lower cylindrical barrel, the axis of each bolt hole is parallel to the axis of the cylindrical barrel, and the axes of the bolt holes are on the same plane; the lower cylinder is provided with an upper opening and a lower opening, an internal thread is arranged at the lower opening, the internal thread is fixedly connected with the stud bolt, and the stud bolt is internally provided with a through hole.
2. The flameproof pressure transmitter of claim 1, characterized in that: the left end and the right end of the upper cylindrical barrel are both provided with internal threads, the internal threads are in threaded connection with a bolt, both ends of the bolt are provided with through holes, and an O-shaped ring is added at the connection part; the upper cylindrical barrel is welded with the cylindrical barrel; and the axis of the upper cylindrical barrel is parallel to the axis of the cylindrical barrel.
3. The flameproof pressure transmitter of claim 1, characterized in that: the terminal port sets up the external screw thread around the cylinder, the external screw thread rotates with wiring end cover and display end cover respectively around the cylinder to be connected, inside and the organic glass screw connection of display end cover, and the junction adds O type circle, cylinder top and last cylinder welded connection, bottom and lower cylinder welded connection.
4. The flameproof pressure transmitter of claim 1, characterized in that: an internal thread is arranged at an opening at the lower end of the lower cylindrical barrel and is rotatably connected with the stud bolt, the top of the lower cylindrical barrel is connected with the bottom of the cylindrical barrel in a welding mode, and the axis of the lower cylindrical barrel is perpendicular to the axis midpoint of the cylindrical barrel.
5. The flameproof pressure transmitter of claim 1, characterized in that: the openings of the upper cylindrical barrel, the cylindrical barrel and the lower cylindrical barrel are through holes.
CN201921933402.1U 2019-11-11 2019-11-11 Explosion-proof pressure transmitter Expired - Fee Related CN210922943U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921933402.1U CN210922943U (en) 2019-11-11 2019-11-11 Explosion-proof pressure transmitter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921933402.1U CN210922943U (en) 2019-11-11 2019-11-11 Explosion-proof pressure transmitter

Publications (1)

Publication Number Publication Date
CN210922943U true CN210922943U (en) 2020-07-03

Family

ID=71346361

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921933402.1U Expired - Fee Related CN210922943U (en) 2019-11-11 2019-11-11 Explosion-proof pressure transmitter

Country Status (1)

Country Link
CN (1) CN210922943U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112097990A (en) * 2020-11-23 2020-12-18 南京沃天科技股份有限公司 Flame-proof integrated pressure transmitter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112097990A (en) * 2020-11-23 2020-12-18 南京沃天科技股份有限公司 Flame-proof integrated pressure transmitter
CN112097990B (en) * 2020-11-23 2021-02-19 南京沃天科技股份有限公司 Flame-proof integrated pressure transmitter

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20200703