CN112504347A

CN112504347A - High-reliability temperature pressure gauge with integrated axial structure

Info

Publication number: CN112504347A
Application number: CN202011437456.6A
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 integrated axial structure, which comprises a meter shell, a connector body and a Bourdon tube, wherein the Bourdon tube is connected with a body to be detected through the connector body, the connector body positioned outside the meter shell is arranged along the axial direction of the meter shell, the connector body is provided with a channel group for the body to be detected to pass through, an installation groove is arranged in the connector body, the installation groove is independently arranged, and a temperature detection device is positioned in the installation groove. The structure of the connector body is optimized, and the problem that the body to be detected leaks into the watch case is solved.

Description

High-reliability temperature pressure gauge with integrated axial structure

Technical Field

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

The temperature meter or the pressure meter for the existing industry are two independent individuals, and in order to save space and part cost, the invention patent of China, "structure of two-in-one temperature/pressure meter", application (patent) No.: CN200720156948.1, disclosing comprising a shell, a cover, a scribing panel, a pointer set, a temperature sensing mechanism and a pressure sensing mechanism, when combined, the pointer set is arranged on the front side of the scribing panel, and is connected with the temperature sensing mechanism and the pressure sensing mechanism arranged on the back side of the scribing panel to rotate, the above-mentioned assembly is placed and fixed in the shell, the outer tube of the temperature sensing mechanism and the tube joint of the pressure sensing mechanism are exposed out of the shell, the front of the shell is covered with the cover; the method is characterized in that: the pointer set has two coaxially arranged pointers, one of which is connected with the rotating shaft of the temperature sensing mechanism, and the other of which is connected with the rotating shaft of the pressure sensing mechanism.

The structure of the two-in-one temperature/pressure meter can be used as a thermometer and a pressure meter at the same time, and has the effects of reducing the space for installing the meter and reducing the manufacturing cost. But the temperature sensing mechanism is arranged in a pipe joint of the pressure sensing mechanism, and the exposed end of the rotating shaft of the temperature sensing mechanism passes through the axle center of the rotating shaft of the linkage mechanism. The structure ensures that the temperature sensing mechanism needs to seal the gap between the front end and the rear end of the pipe joint penetrated with the temperature sensing mechanism after being installed, and the requirement on the sealing property is higher. If the seal is not in place, it can result in leakage of liquid or gas into the coupling from the end. 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.

Disclosure of Invention

The invention aims to solve the technical problem of providing a high-reliability temperature pressure gauge with an integrated axial structure, optimizing the structure of a connector body and solving 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 axial construction's temperature-pressure gauge, including watchcase, joint body and bourdon tube, the bourdon tube through connect the body with wait to detect the body coupling, the axial setting along the watchcase of the joint body that is located the watchcase outside, the joint body be provided with the passageway group that supplies to wait to detect the body and pass through, the joint body in be provided with the mounting groove, the mounting groove independently set up, the mounting groove in be provided with the temperature-detecting device, the temperature-detecting device responds to waiting of passageway group and detects body temperature.

Compared with the prior art, the temperature gauge has the advantages that the joint body positioned outside the meter shell is arranged along the axial direction of the meter shell, and is an axial-structure temperature gauge. Secondly, the joint body is provided with a channel group for the body to be detected to pass through, and the Bourdon tube is connected with the body to be detected through the joint body, so that the pressure detection of the body to be detected is realized. Then, a mounting groove is formed in the connector body and used for mounting a temperature detection device, and the temperature detection device is used for detecting the temperature of a body to be detected entering the 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, form an organic whole with the body of the piecing. 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: the joint body comprises a connector and a connecting piece.

The connector set up along the axial of watchcase, connector one side be provided with the connecting piece, the connector passes through the connecting piece and is connected with the Bourdon tube, is provided with the passageway group that the body passes through that supplies to wait to detect in connector, the connecting piece, connector or connecting piece in be provided with the temperature-detecting device, the temperature-detecting device responds to waiting to detect the body temperature in the passageway group. The axial arrangement of the connector and the Bourdon tube in the watch case is a problem of different surfaces. Therefore, the connector is designed to connect the Bourdon tube and the connector. The body to be detected is introduced from the outside into the Bourdon tube through the channel group. And then detecting the pressure value of the object to be detected by the Bourdon tube.

Furthermore, the part of the connecting head is positioned in the watch case and is recorded as a head part, the part of the connecting head is exposed outside the watch case and is recorded as a tail part, the connecting piece is positioned on one side of the head part, and the periphery of the tail part is provided with threads, so that the installation of the invention is realized.

Preferably, the connecting piece is formed by extending the connector, and the connecting piece and the connector are integrally formed, so that the connecting piece has high structural strength and is convenient to assemble.

Further, the channel group comprises a first channel and a second channel.

Furthermore, the connector in be provided with first passageway, first passageway be on a parallel with the axial setting of watchcase, the mounting groove be located the side of first passageway.

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 adopting a punching mode. According to the invention, the first channel and the mounting groove are arranged in a matched manner, so that the temperature of the body to be detected entering the channel group can be detected by the temperature detection device.

Preferably, the connecting head in the invention is a columnar and long block structure.

Furthermore, the mounting groove is arranged along the axial direction of the watchcase or along the axial direction of the connector, and the mounting groove is of a cylindrical structure. The installation groove and the first channel are arranged in parallel, and the temperature of the body to be detected in the first channel can be fully detected by the temperature detection device located in the installation groove.

Furthermore, the temperature detection device is of a torsion spring-shaped structure and is connected with the temperature pointer through a rotating shaft.

Preferably, the temperature detection device is provided in parallel with the first channel, and is capable of sufficiently detecting the temperature of the object to be detected in the first channel.

Furthermore, the temperature detection device can be made of a thermosensitive material, and when the temperature changes, the torsion spring-shaped temperature detection device thermally expands or contracts, so that the temperature pointer is driven to rotate.

Furthermore, the invention relates to a mechanical watch, wherein a watch plate and a temperature pointer are arranged in the watch shell, a series of temperature values are arranged on the surface of the watch plate, and the temperature pointer points to the temperature 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.

Furthermore, a second channel is arranged in the connecting piece, and the second channel is communicated with the Bourdon tube and the first channel.

Furthermore, one side of the connecting piece, which corresponds to the Bourdon tube, is provided with a notch, and the first end of the Bourdon tube is positioned in the notch and connected with the connecting piece. The first end of the bourdon tube is restrained by the connector and is fixed.

Specifically, the second channel is a bent channel, the first section of the second channel is obtained by punching one side of the connecting piece, and the sealing plug is arranged to seal and plug the machining hole in the surface of the connecting piece. The second section of the second channel is obtained by punching at the notch, the first section is communicated with the second section and the first channel, and the punching end of the first section is sealed and blocked, so that a to-be-detected body entering from the first channel can only enter the second section through the first section and finally reaches the Bourdon tube.

Specifically, the first channel is arranged along the axial direction of the connector, the second section of the second channel and the bourdon tube are positioned on the same plane, and the first section of the second channel is arranged into an inclined straight channel according to the positions of the first channel and the second section.

Furthermore, the Bourdon tube is of a bent arc-shaped structure, the Bourdon tube is filled with the body to be detected, and the body to be detected drives the Bourdon tube to deform.

Furthermore, the bourdon tube is connected with the pressure pointer through the transmission assembly, and the deformed bourdon tube drives the pressure pointer to rotate.

Specifically, the bourdon tube is of a C-shaped structure and deforms when the bourdon tube is subjected to pressure of a body to be detected.

Furthermore, the first end of the Bourdon tube is arranged on the connecting piece, the first end of the Bourdon tube is led into the body to be detected, and the second end of the Bourdon tube is connected with the transmission assembly.

The first end of the bourdon tube is constrained by the connector as a fixed end that is stationary and the second end of the bourdon tube is a free end. When the bourdon tube is deformed, the deformation is amplified at the second end of the bourdon tube. The transmission assembly transmits the movement of the bourdon tube to act on the pressure pointer.

The first end of the Bourdon tube is provided with an opening, and the body to be detected enters the Bourdon tube from the first end of the Bourdon tube. Other parts of the Bourdon tube are sealed, so that the body to be detected is limited in the Bourdon tube, and the situation that the body to be detected leaks into the meter shell to influence the detection precision is avoided.

Furthermore, the transmission assembly comprises an inserting piece and a sector wheel, and the inserting piece is connected with the second end of the Bourdon tube.

Specifically, the tab portion extends into the second end of the bourdon tube, which of course requires sealing. The deformation of the bourdon tube drives the insert to move.

Furthermore, the sector wheel is arranged in the watch case through a shaft, the sector wheel can rotate around the shaft, and the sector wheel acts on the pressure pointer.

Specifically, the pressure pointer is arranged and connected with the shaft, gear teeth are arranged on the periphery of the shaft, and the sector wheel is meshed with the gear teeth. The movement of the sector wheel is a rotation around an axis. The motion of inserted sheet can't directly drive the sector wheel rotatory, the inserted sheet drive the sector wheel rotation through movable connecting rod.

Concretely speaking, the mode of swing joint is all adopted at the both ends of activity connecting rod, and the first end of activity connecting rod and inserted sheet swivelling joint, the second end and the fan-shaped wheel swivelling joint of activity connecting rod.

A series of pressure values are arranged on the surface of the dial plate, and the pressure pointer points to the pressure values. Namely, the dial plate of the invention is provided with double pointers and double values, and is a temperature pressure gauge.

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 first schematic structural diagram of the present invention;

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

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

FIG. 4 is a cross-sectional view of section AA in FIG. 3;

FIG. 5 is a cross-sectional view of section BB of FIG. 3;

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: 1. a watch case; 2. a connector; 3. a bourdon tube; 4. a connecting member; 5. a temperature detection device; 6. a first channel; 7a, a first section; 7b, a second segment; 8. a temperature pointer; 9. a pressure pointer; 10. a dial plate; 11. sealing the plug; 12. a first notch; 13. inserting sheets; 14. a sector wheel; 15. a movable connecting rod; 16. mounting grooves;

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.

For the purpose of better understanding of the objects, technical solutions and advantages of the present invention, the present invention will be further described in detail 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. 1 and 2: high reliable integrative axial structure's temperature-pressure meter, including watchcase 1, joint body and bourdon tube 3, bourdon tube 3 through connect the body with wait to detect the body and be connected, lie in the axial setting of the joint body of watchcase 1 outside watchcase, be an axial structure's temperature-pressure meter. The connector body is provided with a channel group for the body to be detected to pass through, and the Bourdon tube 3 is connected with the body to be detected through the connector body, so that the pressure detection of the body to be detected is realized. The connector body is internally provided with an installation groove 16, the installation groove 16 is independently arranged, a body to be detected entering the channel group can not reach the installation groove 16, and a sealing structure is not required to be arranged between the installation groove 16 and the shell. The product structure is optimized, and the production cost of the product is saved. And the installation groove 16 is provided for installing the temperature detection device 5, the assembly of the product is also simplified. There is no body to be detected in the mounting groove 16, and there is no problem that the body to be detected leaks from the temperature detecting device 5. The temperature detection device 5 is located in the installation groove 16, and the temperature detection device 5 is used for detecting the temperature of a to-be-detected body entering the channel group.

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.

The joint body comprises a connecting head 2 and a connecting piece 4. The connector 2 is arranged along the axial direction of the watch case 1, and is different from the connector 2 arranged radially on the market. The connector 2 one side be provided with connecting piece 4, connector 2 is connected with Bourdon tube 3 through connecting piece 4, the axial connector 2 that sets up and Bourdon tube 3 in the watchcase 1 have the problem of antarafacial. The connection 4 is thus designed to connect the bourdon tube 3 with the connector 2. A channel group for the body to be detected to pass through is arranged in the connector 2 and the connecting piece 4, and the body to be detected is led into the Bourdon tube 3 from the outside through the channel group. The connector 2 or the connector 4 is internally provided with a temperature detection device 5, and the temperature detection device 5 senses the temperature of a body to be detected in the channel group. 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: the part of the connecting head 2 is positioned in the watchcase 1 and is marked as a head part, the part of the connecting head is exposed outside the watchcase 1 and is marked as a tail part, the connecting piece 4 is positioned at one side of the head part, and the periphery of the tail part is provided with threads, so that the installation of the invention is realized.

Preferably, the connecting piece 4 of the invention is formed by extending the connecting head 2, and the connecting piece 4 and the connecting head 2 are integrally formed, so that the connecting piece has higher structural strength and is convenient to assemble.

As shown in fig. 3 to 5, the channel set of the present invention includes a first channel 6 and a second channel. Connector 2 in be provided with first passageway 6, first passageway 6 be on a parallel with the axial setting of watchcase 1, connector 2 in be provided with mounting groove 16, temperature-detecting device 5 be located mounting groove 16. The mounting groove 16 is positioned at the side of the first channel 6.

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 adopting a punching mode. According to the invention, the first channel 6 and the mounting groove 16 are arranged in a matched manner, so that the temperature of the body to be detected entering the channel group can be detected by the temperature detection device 5.

Preferably, the connecting head 2 in the present invention has a columnar, elongated block structure.

The mounting groove 16 is arranged along the axial direction of the watch case 1, or along the axial direction of the connector 2, and the mounting groove 16 is preferably of a cylindrical structure. Namely, the mounting groove 16 and the first channel 6 are arranged in parallel, the temperature detection device 5 is in a torsion spring-shaped structure, the temperature detection device 5 is connected with the temperature pointer 8 through a rotating shaft, and the temperature detection device 5 is arranged in parallel with the first channel 6. The temperature detection device 5 located in the mounting groove 16 is ensured to be able to sufficiently detect the temperature of the body to be detected in the first channel 6.

The temperature detecting device 5 can be made of a thermosensitive material, and when the temperature changes, the torsion spring-shaped temperature detecting device 5 generates thermal expansion or cold contraction, so that the temperature pointer 8 is driven to rotate.

A second channel is arranged in the connecting piece 4, and the second channel is communicated with the Bourdon tube 3 and the first channel 6.

The side of the connecting piece 4 corresponding to the bourdon tube 3 is provided with a notch I12, and the first end of the bourdon tube 3 is positioned in the notch I12 and connected with the connecting piece 4. The first end of the bourdon tube 3 is restrained by the connection member 4 and fixed.

Specifically, the second channel is a bent channel, the first section 7a of the second channel is obtained by punching one side of the connecting piece 4, and the sealing and blocking piece 11 is arranged to seal and block the machined hole on the surface of the connecting piece 4. The second section 7b of the second channel is obtained by punching at the first notch 12, the first section 7a is communicated with the second section 7b and the first channel 6, and the punching end of the first section 7a is sealed and blocked, so that the body to be detected entering from the first channel 6 can only enter the second section 7b through the first section 7a and finally reaches the Bourdon tube 3.

Specifically, the first channel 6 is arranged along the axial direction of the connector 2, the second section 7b of the second channel is positioned on the same plane with the bourdon tube 3, and the first section 7a of the second channel is arranged as an inclined straight channel according to the positions of the first channel 6 and the second section 7 b.

The Bourdon tube 3 is of a bent arc structure, a body to be detected is filled in the Bourdon tube 3, and the body to be detected drives the Bourdon tube 3 to deform. The bourdon tube 3 is connected with the pressure pointer 9 through the transmission assembly, and the deformed bourdon tube 3 drives the pressure pointer 9 to rotate.

Specifically, the bourdon tube 3 has a C-shaped structure, and is deformed when the bourdon tube 3 is subjected to pressure of a body to be detected.

The first end of the Bourdon tube 3 is arranged on the connecting piece 4, the first end of the Bourdon tube 3 is led into the body to be detected, and the second end of the Bourdon tube 3 is connected with the transmission assembly.

The first end of the bourdon tube 3 is constrained by the connection 4 to be a fixed end which is stationary and the second end of the bourdon tube 3 is a free end. When the bourdon tube 3 is deformed, the deformation is amplified at the second end of the bourdon tube 3. The transmission assembly transmits the movement of the bourdon tube 3 to the pressure finger 9.

The first end of the Bourdon tube 3 is open, and the body to be detected enters the Bourdon tube 3 from the first end of the Bourdon tube 3. Other parts of the Bourdon tube 3 are sealed, so that the body to be detected is limited in the Bourdon tube, and the body to be detected is prevented from leaking into the watchcase 1 to influence the detection precision.

The transmission component comprises an inserting piece 13 and a sector wheel 14, and the inserting piece 13 is connected with the second end of the Bourdon tube 3. Specifically, the insert 13 partially extends into the second end of the bourdon tube 3, although the second end of the bourdon tube 3 needs to be sealed. The deformation of the bourdon tube 3 drives the insert 13 to move. Said sector wheel 14 is mounted in the watch case 1 by means of a shaft, the sector wheel 14 being rotatable about the shaft, the sector wheel 14 acting on the pressure indicator 9.

Specifically, the pressure pointer 9 is arranged and connected with a shaft, gear teeth are arranged on the periphery of the shaft, and the sector wheel 14 is meshed with the gear teeth. The movement of the sector wheel 14 is a pivoting movement. The movement of the inserting sheet 13 can not directly drive the sector wheel 14 to rotate, and the inserting sheet 13 drives the sector wheel 14 to rotate through the movable connecting rod 15.

Specifically, the two ends of the movable connecting rod 15 are movably connected, the first end of the movable connecting rod 15 is rotatably connected with the inserting piece 13, and the second end of the movable connecting rod 15 is rotatably connected with the sector wheel 14.

The invention relates to a mechanical watch, wherein a watch dial 10, a temperature pointer 8 and a pressure pointer 9 are arranged in a watch case 1, a series of pressure values are arranged on the surface of the watch dial 10, and the pressure pointer 9 points to the pressure values. The dial 10 surface is provided with a series of temperature values to which the temperature pointer 8 points. The side of dial 10 corresponding to case 1 is made of transparent material, and user can observe dial 10 through case 1. The dial 10 of the invention is provided with double pointers and double values, and is a temperature pressure gauge.

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 axial construction's temperature-pressure gauge, including watchcase (1), joint body and bourdon tube (3), bourdon tube (3) through connect the body with wait to detect the body coupling, its characterized in that lies in the outer axial setting of joint body along watchcase (1) of watchcase (1), the joint body be provided with the passageway group that supplies to detect the body and pass through, this internal mounting groove (16) that is provided with of joint, mounting groove (16) independently set up, mounting groove (16) in be provided with temperature detection device (5), temperature detection device (5) respond to the body temperature of waiting to detect in the passageway group.

2. The high-reliability temperature and pressure gauge with an integrated axial structure as claimed in claim 1, wherein the joint body comprises a connector (2) and a connector (4), the connector (2) is arranged along the axial direction of the watch case (1), the connector (4) is arranged on one side of the connector (2), a temperature detection device (5) is arranged in the connector (2) or the connector (4), and the temperature detection device (5) senses the temperature of the body to be detected in the channel set.

3. The high-reliability temperature gauge with integral axial structure as claimed in claim 2, wherein the connector (2) is provided with a first channel (6), the first channel (6) is arranged parallel to the axial direction of the watch case (1), and the mounting groove (16) is arranged at the side of the first channel (6).

4. A temperature gauge with high reliability and integral axial structure according to any one of claims 1-3, wherein the temperature detecting device (5) is a torsion spring-like structure, and the temperature detecting device (5) is connected with the temperature indicator (8).

5. A highly reliable pressure gauge with integral axial structure according to claim 3, wherein said connecting member (4) is provided with a second passage, said second passage connecting said bourdon tube (3) and said first passage (6).

6. The high-reliability temperature and pressure gauge with integral axial structure as claimed in claim 1, wherein the bourdon tube (3) is of a curved arc structure, the bourdon tube (3) is filled with the body to be detected, and the body to be detected drives the bourdon tube (3) to deform.

7. The high-reliability temperature and pressure gauge with integral axial structure as claimed in claim 6, wherein the Bourdon tube (3) is connected with the pressure pointer (9) through a transmission assembly, and the deformed Bourdon tube (3) drives the pressure pointer (9) to rotate.

8. The highly reliable integrated axial structure temperature gauge according to claim 7, wherein the first end of the Bourdon tube (3) is mounted on the connecting member (4), the first end of the Bourdon tube (3) is introduced into the body to be tested, and the second end of the Bourdon tube (3) is connected to the transmission assembly.

9. The high reliability integrated axial structure temperature gauge according to claim 8, wherein the transmission assembly comprises a male tab (13) and a sector wheel (14), the male tab (13) is connected to the second end of the bourdon tube (3).

10. The high reliability pressure gauge with integrated axial structure as claimed in claim 1, wherein the case (1) is provided with a slot, the connector (2) passes through the slot, and the connector (2) is prevented from being hermetically connected with the slot.