CN215004071U

CN215004071U - Improved explosion-proof pressure transmitter

Info

Publication number: CN215004071U
Application number: CN202121287653.4U
Authority: CN
Inventors: 苏恩道
Original assignee: Anhui Shuangyu Instrument Technology Co ltd
Current assignee: Anhui Shuangyu Instrument Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2021-12-03
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to a pressure transmitter technical field, specifically speaking relates to an explosion-proof pressure transmitter of improved generation. It includes detection device and installs the bleeder mechanism in detection device top, bleeder mechanism includes the spliced pole, and the spliced pole is fixed in the connecting hole on the changer body, has seted up the slide opening on the spliced pole, and the spliced pole top is equipped with the pressure dish, and the pressure dish has the slide bar, has seted up the blow vent on the slide bar of pressure dish, is equipped with the perforation on the blow vent bottom surface, and the perforation is linked together with the detection room of changer body, the utility model discloses a structural design, through the pressure dish that sets up, the pressure dish passes through slide bar sliding connection in changer body top, can be upwards jack-up when facing high-pressure gas, until the blow vent is exposed, then high-pressure gas will follow the perforation and get into the blow vent and discharge into the external world again to reduce the pressure that detects the position, maintain the equilibrium of pressure, prevent that detecting element from damaging or even exploding because of overrange.

Description

Improved explosion-proof pressure transmitter

Technical Field

The utility model relates to a pressure transmitter technical field, specifically speaking relates to an explosion-proof pressure transmitter of improved generation.

Background

The pressure transmitter is a device for converting pressure into a pneumatic signal or an electric signal for control and remote transmission, and is generally used for detecting pipeline pressure during gas or liquid circulation so as to facilitate the implementation of steps such as warning, regulation and control, but when detecting, especially gas detection, a problem that the pressure exceeds a measurement range may occur, so that a detection element directly contacting with a detected object is damaged or even explodes due to excessive internal pressure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof pressure transmitter of improved generation to solve the problem that proposes among the above-mentioned background art.

For realizing the above-mentioned purpose, the utility model provides an improved generation explosion-proof pressure transmitter, include detection device and install the bleeder mechanism in the detection device top, detection device includes the changer body, the connecting hole has been seted up to changer body top, the connecting hole of changer body is linked together with the detection room of changer body, bleeder mechanism includes the spliced pole, the spliced pole is fixed in the connecting hole on the changer body, the slide opening has been seted up on the spliced pole, the spliced pole top is equipped with the pressure dish, the pressure dish has the slide bar, the blow vent has been seted up on the slide bar of pressure dish, be equipped with the perforation on the blow vent bottom surface, perforate with the detection room of changer body is linked together.

As a further improvement of the technical scheme, a storage tank is arranged above the transmitter body, and the connecting column is located in the storage tank.

As a further improvement of the technical scheme, a valve is arranged above the storage tank and communicated with the storage tank.

As a further improvement of the technical scheme, a sealing ring is connected to the connecting pipe of the transmitter body in a threaded manner.

As a further improvement of the technical scheme, a baffle is arranged on the outer side of the connecting column, and a sealing ring is arranged below the baffle.

As a further improvement of the technical scheme, a connecting plate is arranged below the sliding rod of the pressure disc, and the size of the connecting plate is larger than that of the pressure disc.

As a further improvement of the technical scheme, a sliding groove is formed in the connecting column, a guide rod is arranged on the connecting plate and is connected in the sliding groove in a sliding mode, and a spring is arranged above the guide rod.

Compared with the prior art, the beneficial effects of the utility model are that:

in this explosion-proof pressure transmitter of improved generation, through the pressure disc that sets up, the pressure disc passes through slide bar sliding connection in changer body top, can be by jack-up upwards when facing high-pressure gas, until the blow vent exposes, then high-pressure gas will follow the perforation and get into the blow vent and discharge into the external world again to reduce the pressure of detection position, maintain the equilibrium of pressure, prevent that detecting element from taking place the damage or even explosion because of the overrange.

Drawings

FIG. 1 is a schematic view of the entire structure of embodiment 1;

FIG. 2 is a schematic diagram showing the whole structure of example 1 in a disassembled state;

FIG. 3 is an exploded view of the pressure disk structure of embodiment 1;

fig. 4 is a schematic cross-sectional view of the connecting column of embodiment 1.

The various reference numbers in the figures mean:

100. a detection device;

110. a transmitter body; 111. a seal ring;

200. voltage divider

210. Storing the tank; 211. a valve;

220. connecting columns; 221. a seal ring; 222. a baffle plate; 223. a sliding groove; 224. a guide bar; 225. a pressure disc; 226. a connecting plate; 227. a vent; 228. perforating; 229. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

Referring to fig. 1-4, the embodiment provides an improved explosion-proof pressure transmitter, which includes a detection device 100 and a voltage divider 200 installed above the detection device 100, the detection device 100 includes a transmitter body 110, a connection hole is opened above the transmitter body 110, the connection hole of the transmitter body 110 is communicated with a detection chamber of the transmitter body 110, the voltage divider 200 includes a connection column 220, the connection column 220 is fixed in the connection hole of the transmitter body 110, a sliding hole is opened on the connection column 220, a pressure plate 225 is arranged above the connection column 220, a sliding rod is arranged below the pressure plate 225, a vent 227 is opened on the sliding rod of the pressure plate 225, a through hole 228 is arranged on the bottom surface of the vent 227, and the through hole 228 is communicated with the detection chamber of the transmitter body 110.

In this embodiment, in order to prevent the high-pressure gas from overflowing and causing serious loss, the storage tank 210 is disposed above the transmitter body 110, the connection column 220 is located in the storage tank 210, and part of the high-pressure gas is collected through the sealed storage tank 210.

Further, in order to facilitate the disposal of the introduced gas, a valve 211 is disposed above the storage tank 210, the valve 211 is in communication with the storage tank 210, and the high-pressure gas is discharged through the valve 211 to facilitate the collection and disposal.

Specifically, in order to maintain the connection tightness, the connecting pipe of the transmitter body 110 is connected with a sealing ring 111 in a threaded manner, after the connecting pipe is connected with the pipeline in a threaded manner, the connecting pipe is firstly wrapped with sealant, and then the sealing ring 111 is screwed to further compact the sealant and the interface, so that the tightness of the threaded connection is maintained.

In addition, in order to improve the sealing performance of the connecting column 220 when the connecting column is connected to the transmitter body 110, a baffle 222 is arranged on the outer side of the connecting column 220, a sealing ring 221 is arranged below the baffle 222, the connecting column 220 is in threaded connection with the transmitter body 110, the sealing ring 221 is pressed through threaded connection, the sealing performance is further improved, and gas overflow is prevented.

Furthermore, in order to prevent the pressure disc 225 from falling off, a connecting plate 226 is arranged below the sliding rod of the pressure disc 225, the size of the connecting plate 226 is larger than that of the pressure disc 225, the pressure disc 225 cannot be separated from the connecting column 220 through size limitation, and the reliability of the mechanism in use is ensured.

Specifically, in order to improve the pressure limit of the pressure dividing device 200, a sliding groove 223 is formed in the connecting column 220, a guide rod 224 is arranged on the connecting plate 226, the guide rod 224 is slidably connected in the sliding groove 223, a spring 229 is arranged above the guide rod 224, and downward pressure is applied to the connecting plate 226 through the spring 229, so that the pressure limit of the pressure dividing device 200 is improved, and gas overflow caused by partial accidents is prevented.

The utility model discloses when using, at first when beginning to examine time measuring, high-pressure gas gets into and contacts with detecting element in the measuring chamber of changer body 110, when pressure is about to exceed detecting element's limit, high-pressure gas can make progress jack-up with pressure plate 225, until blow vent 227 exposes, further, high-pressure gas will follow perforation 228 and get into blow vent 227 and then discharge into the external world to reduce the pressure of detection position, maintain the equilibrium of pressure, prevent that detecting element from taking place the damage explosion even because the overrange.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An improved explosion-proof pressure transmitter, comprising a detection device (100) and a voltage divider (200) installed above the detection device (100), characterized in that: detection device (100) are including changer body (110), the connecting hole has been seted up to changer body (110) top, the connecting hole of changer body (110) is linked together with the detection room of changer body (110), bleeder mechanism (200) are including spliced pole (220), spliced pole (220) are fixed in the connecting hole on changer body (110), the slide opening has been seted up on spliced pole (220), spliced pole (220) top is equipped with pressure disk (225), pressure disk (225) have the slide bar, blow vent (227) have been seted up on the slide bar of pressure disk (225), be equipped with on blow vent (227) the bottom surface and perforate (228), perforate (228) with the detection room of changer body (110) is linked together.

2. The improved explosion-proof pressure transmitter of claim 1 wherein: transmitter body (110) top is equipped with storage jar (210), spliced pole (220) are located in storage jar (210).

3. The improved explosion-proof pressure transmitter of claim 2, wherein: a valve (211) is arranged above the storage tank (210), and the valve (211) is communicated with the storage tank (210).

4. The improved explosion-proof pressure transmitter of claim 1 wherein: and a sealing ring (111) is connected to the connecting pipe of the transmitter body (110) in a threaded manner.

5. The improved explosion-proof pressure transmitter of claim 1 wherein: the outer side of the connecting column (220) is provided with a baffle (222), and a sealing ring (221) is arranged below the baffle (222).

6. The improved explosion-proof pressure transmitter of claim 1 wherein: a connecting plate (226) is arranged below the sliding rod of the pressure disc (225), and the size of the connecting plate (226) is larger than that of the pressure disc (225).

7. The improved explosion-proof pressure transmitter of claim 6, wherein: the connecting column (220) is provided with a sliding groove (223), the connecting plate (226) is provided with a guide rod (224), the guide rod (224) is connected in the sliding groove (223) in a sliding mode, and a spring (229) is arranged above the guide rod (224).