CN112504346A

CN112504346A - High-reliability temperature pressure gauge with integrated radial structure

Info

Publication number: CN112504346A
Application number: CN202011434337.5A
Authority: CN
Inventors: 陈小平; 陈民标; 陈均洪
Original assignee: Ningbo Xuri Temperature And Pressure Instrument Co ltd
Current assignee: Ningbo Xuri Temperature And Pressure Instrument Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-03-16

Abstract

The invention discloses a high-reliability temperature pressure gauge with an integral radial structure, which comprises a meter shell, a connector and a Bourdon tube, wherein the Bourdon tube is connected with a body to be detected through the connector, the connector is arranged along the radial direction of the meter shell, the connector is provided with a channel for the body to be detected to pass through, a mounting groove is independently arranged in the connector, a temperature detection device is arranged in the mounting groove, and the temperature detection device senses the temperature of the body to be detected in the channel. Optimize inner structure, solved and to detect the problem that the body leaks to the watchcase in.

Description

High-reliability temperature pressure gauge with integrated radial structure

Technical Field

The invention relates to the field of pressure gauges, in particular to a temperature pressure gauge with a high-reliability integrated radial structure.

Background

The pressure gauge (english name: pressure gauge) is an instrument which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the environmental pressure, is very commonly applied, almost extends to all the fields of industrial processes and scientific researches, is visible everywhere in the fields of heat pipe networks, oil and gas transmission, water and gas supply systems, vehicle maintenance plants and shops and the like, and is more and more widely applied due to the characteristics of high mechanical strength, convenient production and the like of the elastic sensitive element of the mechanical pressure gauge in the industrial process control and technical measurement processes.

Most pressure gauges on the market at present use a bourdon tube as a core device of the pressure gauge, and the bourdon tube is generally liquid or gas. For example, the Chinese invention patent, application (patent) No.: CN201922290411.X, and discloses a stainless steel pressure gauge, which comprises a pressure gauge body and a cleaning device, wherein the pressure gauge body comprises a glass outer cover, a dial and a Bourdon tube, the stainless steel pressure gauge comprises a bourdon tube base and a movable plug, a dial is arranged behind a glass outer cover, a bourdon tube is arranged behind the dial, the lower end of the bourdon tube is fixedly connected with the bourdon tube base, the bourdon tube base is communicated with the inside of the bourdon tube, the bourdon tube is connected with the movable plug through a spring at the end far away from the bourdon tube base, a rotating rod is arranged on the left side of the end far away from the bourdon tube, the rear end of the rotating rod is movably connected with a fixed rod through a bearing, a rotating column is fixedly connected with the front end of the rotating rod and fixedly connected with a pointer on the dial, a pressure gauge rear shell is arranged behind the bourdon tube, the dial, the bourdon tube and the rotating rod are arranged inside the pressure gauge rear shell, and the stainless steel pressure gauge has the performances.

However, the existing pressure gauges are pressure gauges with single functions and can only detect the pressure of gas or liquid. In order to detect the temperature of the gas or liquid, an additional thermometer is required to detect again. The pressure gauge is improved into a temperature pressure gauge, as shown in fig. 1, a temperature sensing mechanism is additionally arranged in a product and is installed in a flow channel 02 of the connecting body 01, the temperature sensing mechanism comprises an outer tube 03 and a rotating shaft 05 connected with a heat sensing piece 04, and the rotating shaft penetrates out of the connecting body and is connected with the pointer. Wherein the flow channel is used for the body to be detected to pass through to reach the Bourdon tube. Due to the design of the rotating shaft structure, the connecting body needs to be sealed, and the leakage of the body to be detected to the temperature pressure gauge from the rotating shaft is avoided. The penetration of liquids or gases into the watch can affect the cleanliness, integrity, and accuracy of the measurements within the watch, as well as contribute to premature and rapid deterioration of the watch, which in turn affects the useful life of the watch. The outer pipe is required to be sealed, and the phenomenon that the body to be detected in the flow channel enters the outer pipe to influence the detection accuracy of the temperature sensing mechanism is avoided.

Disclosure of Invention

The invention aims to provide a high-reliability temperature pressure gauge with an integral radial structure, optimize the internal structure and solve the problem that a body to be detected leaks into a meter shell.

The technical scheme adopted by the invention for solving the technical problems is as follows: high reliable integrative radial structure's temperature-pressure gauge, including watchcase, connector and bourdon tube, bourdon tube pass through the connector and wait to detect the body coupling, the connector along the radial setting of watchcase, the connector be provided with and supply to wait to detect the passageway that the body passes through, the connector in independently be provided with the mounting groove, the mounting groove in be provided with the temperature detection device, the temperature detection device responds to waiting in the passageway and detects body temperature.

Compared with the prior art, the temperature gauge has the advantages that the connector is arranged along the radial direction of the gauge shell and is an axial temperature gauge. Secondly, the connector is provided with a channel for the body to be detected to pass through, the Bourdon tube is connected with the body to be detected through the connector, and the Bourdon tube detects the pressure value of the body to be detected through the bending deformation of the Bourdon tube. And then, a mounting groove is arranged in the connector for mounting a temperature detection device, and the temperature detection device is used for detecting the temperature of the body to be detected in the access channel group. And the installation groove is arranged independently and is not communicated with the channel component. That is to say, the body to be detected entering the channel group does not reach the mounting groove, and a sealing structure is not required to be arranged between the mounting groove and the shell. And, the invention does not need to set up the outer tube structure, the temperature detection piece is installed in mounting groove directly. The product structure is optimized, and the production cost of the product is saved. And the installation groove is used for installing the temperature detection device, so that the assembly of the product is simplified. There is not waiting to detect the body in the mounting groove, does not also have to wait to detect the body by the problem of temperature-detecting device department leakage. Wherein the body to be detected may be a liquid to be detected or a gas to be detected. The invention realizes the synchronous detection of the temperature and the pressure of the gas or the liquid.

Further preferred embodiments of the present invention: according to the invention, the connector and the Bourdon tube are arranged on the same plane, and the Bourdon tube can be directly connected with the connector without arranging an additional connecting structural part.

Specifically, the connector is vertically arranged, the upper part of the connector is positioned in the meter shell, and the lower part of the connector penetrates out of the bottom of the meter shell and is used for mounting the invention.

Preferably, the connector is of a columnar and long-strip block structure, the upper part of the connector positioned in the meter shell is connected with the Bourdon tube, and the lower part of the connector positioned outside the meter shell is connected with the body to be detected.

Furthermore, the bottom of the connector is provided with an external thread, so that the connector can be conveniently assembled in a main detection environment.

Furthermore, the invention relates to a mechanical watch, wherein a dial plate and a pressure pointer are arranged in the watch case, the surface of the dial plate is provided with a pressure value, and the pressure pointer points to the pressure value. The dial surface is provided with not a single value but a series of pressure values.

The side of the dial corresponding to the watch case is made of transparent material, and a user can observe the dial through the watch case.

The outer peripheral surface of a shaft member connected with the pressure pointer is provided with gear teeth, and the transmission assembly is meshed with the gear teeth to drive the pressure pointer to rotate.

Furthermore, the Bourdon tube is of a bent arc-shaped structure, the first end of the Bourdon tube is connected with the channel, and the second end of the Bourdon tube drives the pressure pointer to rotate through the transmission assembly.

The Bourdon tube is bent into a C-shaped structure, and the cross section of the Bourdon tube is of a waist-shaped structure.

The Bourdon tube is of a hollow structure. The first end of the Bourdon tube is connected with the connector and communicated with the channel.

The body to be detected, which is guided in by the connector, enters the bourdon tube to drive the bourdon tube to deform. The deformed bourdon tube drives the pressure pointer to rotate through the transmission component.

The caliber of the second end of the Bourdon tube is gradually flattened, namely the width of the caliber is unchanged, and the height of the caliber is gradually reduced. The second end of the Bourdon tube is inserted with an inserting piece. The second end of the bourdon tube is fitted with the insert and sealed. The access to the body to be detected is confined within the bourdon tube. The invention is to carry out sealing treatment on two end parts of the Bourdon tube, so as to avoid the leakage of the body to be detected and influence on the detection precision.

The first end of the bourdon tube is located in the connector, corresponding to the first end of the bourdon tube being in a relatively fixed state. When the bourdon tube is deformed, the deformation is amplified at the second end of the bourdon tube. The insert will be moved by the second end of the bourdon tube.

The inserting piece is connected with a sector gear through a movable connecting rod, and the sector gear is meshed with the gear teeth of the pointer. The inserting sheet is rotatably connected with the movable connecting rod. The inserting sheet can not directly drive the sector gear to rotate, so that the movable connecting rod is arranged to convert the motion, and the sector gear is driven to rotate.

Specifically, the sector gear is rotatably mounted in the watchcase through a shaft member, and the sector gear is rotatably connected with the movable connecting rod.

Further, the temperature change at the mounting groove drives the temperature detection device to deform. The temperature detection device is arranged in the mounting groove and forms an integral structure with the connector. The invention adopts non-contact temperature measurement, and can avoid the influence of the body to be detected on a temperature detection device.

The temperature detection device is connected with the temperature pointer through a rotating shaft, and the deformed temperature detection device drives the temperature pointer to rotate. The temperature detection device can be made into a torsion spring structure by adopting a thermosensitive material, and the torsion spring is subjected to thermal expansion or cold contraction when the temperature changes, so that the pointer is driven to rotate.

Of course, a dial is provided in the case, on which a corresponding series of temperature values are provided, the temperature hands pointing to the values.

In the invention, a series of temperature values and a series of pressure values are arranged on the dial plate, and a temperature pointer and a pressure pointer are correspondingly arranged. The invention can simultaneously detect the temperature and the pressure of the detected body, has two functions and is convenient for users.

Further, the channel passes through the periphery of the mounting groove.

Specifically, the channels comprise a first channel, a second channel and a third channel, the first channel is communicated with the second channel, the second channel is communicated with the third channel, and the third channel is communicated with the Bourdon tube.

Furthermore, first passageway be by the leading-in blind hole structure of connector bottom surface, first passageway be located the mounting groove below, the interior bottom surface of first passageway is close to the mounting groove setting when setting up. More to wait to detect the body can be held to one, and the body is close to the temperature-detecting device setting to wait to detect the body, and the testing result is more accurate.

When the first channel is arranged, the first channel with the large caliber is adopted on the premise of ensuring the structural strength of the connector. The body to be detected with a large volume is ensured to be arranged in the first channel, and the temperature of the body to be detected is transferred to the mounting groove.

Furthermore, the second channel is a straight channel which is obliquely arranged, and the second channel is positioned on the side surface of the mounting groove.

The connector structure of the invention has small volume, and a bent channel structure is directly processed in the connector structure, so that the difficulty is very high, and a straight channel is preferably processed by punching. The invention selects the straight channel which is obliquely arranged, can directly extend into the first channel from the bottom surface for processing, and avoids the mounting groove.

Furthermore, the third channel is a straight channel which is horizontally arranged, a first end of the third channel is connected with the Bourdon tube, and the other end of the third channel is connected with the second channel.

The third channel in the invention is processed from the side surface of the connector. The first channel and the second channel form a 7 shape, and the second channel and the third channel with the structures are arranged, so that the feasibility in processing is fully considered, and the processing difficulty is reduced. Meanwhile, the temperature detection device can be wound on the periphery of the mounting groove, so that the temperature of the body to be detected in the leading-in channel can be fully detected by the temperature detection device.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of illustrating the preferred embodiments and therefore should not be taken as limiting the scope of the invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

FIG. 1 is a schematic structural diagram of a conventional temperature and pressure gauge;

FIG. 2 is a first schematic structural diagram of the present invention;

FIG. 3 is a first schematic diagram of the internal structure of the present invention;

FIG. 4 is a second schematic view of the internal structure of the present invention;

FIG. 5 is a cross-sectional view of the present invention;

FIG. 6 is a second schematic structural view of the present invention;

FIG. 7 is a cross-sectional view of the present invention;

fig. 8 is a partially enlarged view of the cuff of fig. 7.

Wherein the reference numerals are specified as follows: 01. a connecting body; 02. a flow channel; 03. an outer tube; 04. a heat sensitive member; 05. a rotating shaft;

1. a watch case; 2. a connector; 3. a bourdon tube; 4. a temperature detection device; 5. a dial plate; 6. a pressure pointer; 7. a temperature pointer; 8. inserting sheets; 9. a movable connecting rod; 10. a sector gear; 11. mounting grooves; 12. a first channel; 13. a second channel; 14. a third channel;

2a, a connecting section; 23. flanging; 24. a seal member; 26. a second notch; 27. a first inclined surface; 28. a second inclined surface; 29. an external thread; 30. and (4) a nut.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 2 and 4: high reliable integrative radial structure's temperature pressure table, including watchcase 1, connector 2 and bourdon tube 3, bourdon tube 3 through connector 2 with wait to detect the body coupling, bourdon tube 3 removes to detect the pressure value of waiting to detect the body through the bending deformation of its own. Connector 2 in be provided with temperature-detecting device 4, connector 2 be provided with the confession and wait to detect the passageway that the body passes through, temperature-detecting device 4 responds to waiting to detect body temperature in the passageway, goes to detect the temperature value that gets into the passageway and wait to detect the body. Therefore, the invention realizes synchronous detection of the temperature and the pressure of the gas or the liquid.

Further preferred embodiments of the present invention: the invention relates to a temperature pressure gauge with a high-reliability integrated radial structure, wherein a connector 2 of the gauge is arranged along the radial direction of a meter shell 1. The connector 2 and the Bourdon tube 3 are arranged on the same plane, and the Bourdon tube 3 can be directly connected with the connector 2 without arranging other connecting structural parts.

Specifically, the connector 2 is vertically arranged, the upper part of the connector 2 is positioned in the watchcase 1, and the lower part of the connector 2 penetrates out of the bottom of the watchcase 1 and is used for installing the invention. The connector 2 is a columnar and strip blocky structure, the upper part of the connector 2 positioned in the watchcase 1 is connected with the Bourdon tube 3, and the lower part of the connector 2 positioned outside the watchcase 1 is connected with the body to be detected. The bottom of the connector 2 is provided with external threads, so that the connector 2 can be conveniently assembled in a main detection environment.

As further shown in fig. 3, the present invention is a mechanical watch, a dial 5 and a pressure pointer 6 are arranged in the watch case 1, a pressure value is arranged on the surface of the dial 5, and the pressure pointer 6 points to the pressure value. The dial 5 surface is provided with not a single value but a series of pressure values. Case 1 on the side corresponding to dial 5 is made of transparent material, and user can observe dial 5 through case 1.

According to the invention, gear teeth are arranged on the outer peripheral surface of a shaft member connected with the pressure pointer 6, and the transmission component is meshed with the gear teeth to drive the pressure pointer 6 to rotate.

Further, the bourdon tube 3 is of a curved arc structure, a first end of the bourdon tube 3 is connected with the channel, and a second end of the bourdon tube 3 drives the pressure indicator 6 to rotate through the transmission assembly.

The Bourdon tube 3 is bent into a C-shaped structure, and the cross section of the Bourdon tube 3 is of a waist-shaped structure. The bourdon tube 3 is of a hollow structure. The first end of the bourdon tube 3 is connected to the connector 2 and is in communication with the channel. The body to be detected, which is guided in by the connector 2, enters the bourdon tube 3 to drive the bourdon tube 3 to deform. The deformed bourdon tube 3 drives the pressure indicator 6 to rotate through the transmission assembly.

The caliber of the second end of the bourdon tube 3 is gradually flattened, namely the width of the caliber is not changed, and the height of the caliber is gradually reduced. The second end of the Bourdon tube 3 is inserted with an inserting piece 8. The first end of the bourdon tube 3 is located inside the connection head 2, corresponding to the first end of the bourdon tube 3 being in a relatively fixed state. When the bourdon tube 3 is deformed, the deformation is amplified at the second end of the bourdon tube 3. The insert 8 is moved by the second end of the bourdon tube 3.

The inserting piece 8 is connected with a sector gear 10 through a movable connecting rod 9, and the sector gear 10 is meshed with the gear teeth of the pointer. The inserting sheet 8 is rotatably connected with the movable connecting rod 9. The inserting piece 8 can not directly drive the sector gear 10 to rotate, so that the movable connecting rod 9 is arranged to convert the movement, and the sector gear 10 is driven to rotate. Sector gear 10 is rotatably mounted in watch case 1 by means of a shaft, sector gear 10 being rotatably connected to movable link 9.

As shown in fig. 5, the temperature change at the mounting groove 11 will drive the temperature detection device 4 to deform. The temperature detection device 4 is arranged in the mounting groove 11 and forms an integral structure with the connector 2. The invention adopts non-contact temperature measurement, and can avoid the influence of the body to be detected on the temperature detection device 4.

The temperature detection device 4 is connected with the temperature pointer 7, and the deformed temperature detection device 4 drives the temperature pointer 7 to rotate. The temperature detection device 4 can be made of a thermosensitive material into a torsion spring structure, and the torsion spring is subjected to thermal expansion or cold contraction when the temperature changes, so that the pointer is driven to rotate.

In the invention, a series of temperature values and a series of pressure values are arranged on a dial 5, and a temperature pointer 7 and a pressure pointer 6 are correspondingly arranged. The invention can simultaneously detect the temperature and the pressure of the detected body, has two functions and is convenient for users.

Further, the passage passes through the outer circumference of the mounting groove 11. Specifically, the channels comprise a first channel 12, a second channel 13 and a third channel 14, the first channel 12 is communicated with the second channel 13, the second channel 13 is communicated with the third channel 14, and the third channel 14 is communicated with the Bourdon tube 3.

Further, the first channel 12 is a blind hole structure led in from the bottom surface of the connector 2, the first channel 12 is located below the mounting groove 11, and the inner bottom surface of the first channel 12 is arranged as close to the mounting groove 11 as possible when being arranged. When the first channel 12 is arranged, the first channel 12 with a large caliber is adopted as much as possible under the precondition that the structural strength of the connector 2 is ensured.

The structure of the connector 2 in the invention is not large, but a bent channel structure is directly processed in the connector, so that the difficulty is very high, and a straight channel is preferably processed by punching. The invention adopts the straight channel which is obliquely arranged, can directly extend into the first channel 12 from the bottom surface for processing, and avoids the mounting groove 11. The second channel 13 is a straight channel which is obliquely arranged, and the second channel 13 is positioned on the side surface of the mounting groove 11.

The third channel 14 is a straight channel horizontally arranged, a first end of the third channel 14 is connected with the Bourdon tube 3, and the other end of the third channel 14 is connected with the second channel 13. The third channel 14 of the present invention is machined from the side of the connector 2.

The first channel 12 and the second channel 13 form a 7 shape, and the second channel 13 and the third channel 14 with the structures are arranged, so that the feasibility in processing is fully considered, and the processing difficulty is reduced. And at the same time, the temperature detection device 4 can fully detect the temperature of the body to be detected in the leading-in channel by winding the periphery of the mounting groove 11.

As shown in fig. 6 to 8, the watch case 1 is provided with a slot, the connector 2 passes through the slot, a flange 23 is arranged on the wall surface of the slot, the flange 23 wraps the periphery of the connector 2, the flange 23 is an annular member with different calibers at two ends, and the connector 2 is connected with the flange 23 through a sealing member 24.

The arrangement of the structure of the flanging 23 effectively increases the contact surface area between the watch case 1 and the connector 2, and improves the reliability of sealing connection. In addition, the flanging 23 is arranged to be an annular part with different calibers at two ends, and the arrangement of the specific structure of the flanging 23 ensures that when the sealing element 24 is installed, the sealing element 24 can be in full contact with the flanging 23 to form a sealing surface, so that high-reliability sealing connection is realized.

In a further preferred embodiment of the present invention, the cross section of the flange 23 is an inclined plane structure, and the outer surface of the flange 23 is a circular truncated cone-shaped structure. The side of the flanging 23 close to the inside of the watch case 1 is the inner side, the side of the flanging 23 far away from the inside of the watch case 1 is the outer side, and the caliber of the inner side of the flanging 23 is larger than that of the outer side of the flanging 23.

Furthermore, the outer periphery of the connector 2 is provided with a second notch 26, and the sealing element 24 is partially installed in the second notch 26. Specifically, the inner race of seal 24 is located within slot two 26.

The position of the sealing element 24 is limited by the arrangement of the second notch 26, so that the sealing element 24 is ensured not to move during installation and use, and the sealing failure is caused.

Further, the sealing member 24 is an annular structure.

Further, the inner ring configuration of the seal 24 accommodates the second groove 26 configuration.

Specifically, the cross section of the second notch 26 in the present invention is circular arc, and the correspondingly arranged cross section of the inner ring of the sealing element 24 is a semicircular structure with the same diameter as that of the second notch 26, which is a preferred structure of the present invention.

Further, the inner wall surface of the flange 23 is a first inclined surface 27, the outer side surface of the sealing element 24 is a second inclined surface 28, and an included angle exists between the first inclined surface 27 and the second inclined surface 28.

Specifically, the outer surface of the sealing element 24 forms a truncated cone-shaped structure. During assembly, the second inclined surface 28 is extruded and deformed, so that the part of the second inclined surface 28 is attached to the second inclined surface 28, and a sealing surface is formed.

More specifically, the included angle between the first inclined surface 27 and the second inclined surface 28 is an acute angle, preferably an acute angle smaller than 30 degrees, so that the structure of the second inclined surface 28 is more adaptive to the structure of the first inclined surface 27, more area of the second inclined surface 28 can be attached to the second inclined surface 28, and the sealing reliability is improved.

Further, the connecting head 2 part in the flange 23 is of a cylindrical structure. If other shape structures are adopted, the sealing difficulty is increased, and the round outer surface is the preferable structure of the invention.

Correspondingly, the sealing element 24 is a circular ring-shaped structural member, the connector 2 in the flange 23 is of a cylindrical structure, and the two are structurally adapted to each other, so that a good sealing effect is achieved.

Furthermore, the connecting head 2 comprises a connecting section 2a located outside the watch case 1, and the surface of the connecting section 2a is provided with an external thread 29 and a nut 30.

In particular, external thread 29 is located at the end of connecting section 2a, i.e. the side remote from watch case 1; a nut 30 is provided adjacent to the external thread 29 and adjacent to the watch case 1. The invention can be directly screwed into the environment to be tested by means of the external thread 29 during installation.

Further, the present invention is provided with a nut 30, and the structure of the nut 30 of the present invention should include at least two planes oppositely disposed, on which a tool such as a wrench can act to reinforce the installation of the present invention. The nut 30 and the connector 2 are of an integral structure.

The structure of the external thread 29 and the nut 30 is arranged on the surface of the connector 2, so that the assembly steps of the invention during assembly are effectively simplified, and the installation can be rapidly completed; and no additional part for installation is required, so that the assembly cost is reduced.

The present invention has been described in detail, and the principles and embodiments of the present invention have been described herein using specific examples, which are provided only to assist in understanding the present invention and the core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. High reliable integrative radial structure's temperature-pressure gauge, including watchcase (1), connector (2) and bourdon tube (3), bourdon tube (3) through connector (2) with wait to detect the body coupling, its characterized in that connector (2) along the radial setting of watchcase (1), connector (2) be provided with the confession and wait to detect the passageway that the body passes through, connector (2) in independently be provided with mounting groove (11), mounting groove (11) in be provided with temperature-detecting device (4), temperature-detecting device (4) respond to the body temperature of waiting to detect in the passageway.

2. The highly reliable integral radial structure temperature gauge according to claim 1, wherein said channel passes through the outer periphery of the mounting groove (11).

3. The high reliability integrated radial structure temperature gauge according to claim 1, wherein the channels comprise a first channel (12), a second channel (13) and a third channel (14) which are communicated with each other.

4. The high-reliability temperature gauge with integral radial structure as claimed in claim 3, wherein the first channel (12) is a blind hole structure guided from the bottom of the connector (2), and the first channel (12) is located below the mounting groove (11).

5. A highly reliable pressure gauge with integral radial structure according to claim 3, wherein said second channel (13) is a straight channel with an inclined configuration, said second channel (13) is located at the side of the mounting groove (11).

6. The high reliability pressure gauge with integral radial structure according to claim 5, wherein the third channel (14) is a straight channel horizontally arranged, and the third channel (14) is communicated with the second channel (13).

7. The high-reliability pressure gauge with integral radial structure according to claim 1, characterized in that a dial (5) and a pressure pointer (6) are arranged in the casing (1), a pressure value is arranged on the surface of the dial (5), and the pressure pointer (6) points to the pressure value.

8. The highly reliable integral radial structure temperature gauge according to claim 7, wherein the Bourdon tube (3) is a curved arc structure, a first end of the Bourdon tube (3) is connected to the channel, and a second end of the Bourdon tube (3) drives the pressure indicator (6) to rotate through the transmission assembly.

9. The high-reliability temperature gauge with integral radial structure as claimed in claim 1, wherein the casing (1) is provided with a slot, the connector (2) passes through the slot, and the connector (2) is connected with the wall surface of the slot in a sealing manner.

10. The high-reliability temperature gauge with integral radial structure as claimed in claim 1, wherein the surface of the connecting head (2) is provided with an external thread (29) and a nut (30) structure.