CN114689128B - Special temperature and pressure measuring instrument and method thereof - Google Patents
Special temperature and pressure measuring instrument and method thereof Download PDFInfo
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- CN114689128B CN114689128B CN202210602890.8A CN202210602890A CN114689128B CN 114689128 B CN114689128 B CN 114689128B CN 202210602890 A CN202210602890 A CN 202210602890A CN 114689128 B CN114689128 B CN 114689128B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/14—Sealings between relatively-stationary surfaces by means of granular or plastic material, or fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
- G01D11/26—Windows; Cover glasses; Sealings therefor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention provides a special temperature and pressure measuring instrument and a method thereof, belonging to the technical field of ocean measuring instruments, wherein the measuring instrument comprises a cylinder body; the sealing assembly can be right one end of barrel is sealed, sealing assembly includes preceding stopper, back stopper, cross-under passageway, sleeve pipe, support piece and rotation handle, the one end of back stopper with preceding stopper is connected and is constituted a sealed whole, preceding stopper with back stopper is coaxial trompil in order to form the cross-under passageway, be equipped with in the cross-under passageway the sleeve pipe, be equipped with in the preceding stopper support piece realizes first sealing to the barrel through the combination of preceding stopper and back stopper to realize the second through support piece and seal to the barrel, so that sealing assembly not only can realize quick assembly disassembly, can improve sealing performance moreover, thereby avoided the problem that the barrel leaked, played good protection effect to the circuit board.
Description
Technical Field
The invention belongs to the technical field of ocean measuring instruments, and particularly relates to a special temperature and pressure measuring instrument and a method thereof.
Background
The temperature and pressure of seawater are basic parameters of the ocean. They determine the density, freezing point, speed of sound, refraction of light, etc. of seawater. The temperature and depth measurement is the most basic hydrological measurement in the ocean, the research of the temperature and depth measurement technology is the important content of the research of the ocean observation technology, the spatial and temporal change distribution rule of temperature, salt, sound velocity and density is mastered in time, and the temperature and depth measurement technology has important significance in the research of national economy, national defense and oceanography.
The TD measurement technology has been widely and deeply applied to the macro research and the micro research of the marine science, and has achieved remarkable effects. Through investigation of severe cold seawater in the south ocean of the polar region, the seawater is found to flow away from the polar region to form a geotropic current; through international marine cooperation investigation, such as a global ocean flow experiment (WOCE), the coupling effect of sea air exchange and sea air is researched, and important climatic phenomena affecting human production and life, namely an El Nino phenomenon (El Ni ñ o) and a Raney phenomenon (La Ni ñ a), are discovered; the stress of seawater (train and shear) has an important influence on the attack defense of the submarine, and the temperature evaporation and the salinity diffusion of the seawater have a causal relationship and different rules, namely the salt hand (saltfinger) phenomenon. In the ocean century, the TD measuring technology has wide application prospect in the investigation and development of dynamic oceans, marine ecology and ocean resources, the integration and treatment of offshore oceans and the like.
In the existing measuring instrument, one is to realize better waterproof effect, two ends of a cylinder body are sealed by sealing end covers, and a sealing whole is formed by pouring sealant in a connecting joint; the other type is to realize maintenance and reuse, one end of the cylinder body is sealed by a sealing end cover, and the other end of the cylinder body is detachably connected by a sealing plug. However, both approaches have limitations, the first being that they cannot be disassembled and reused; the second is that the sealing effect is poor, and the circuit board is still easy to be damaged by water leakage.
Disclosure of Invention
The embodiment of the invention provides a special temperature and pressure measuring instrument and a method thereof, and aims to solve the problems that the existing measuring instrument cannot be disassembled and the sealing effect is poor.
In view of the above problems, the technical solution proposed by the present invention is:
in a first aspect, the present invention provides a special temperature and pressure measuring instrument, including:
the measuring instrument comprises a cylinder;
the sealing assembly can seal one end of the barrel and comprises a front plug, a rear plug, a cross-connecting channel, a sleeve, a support piece and a rotating handle, one end of the rear plug is connected with the front plug to form a sealed whole, the front plug and the rear plug are coaxially provided with holes to form the cross-connecting channel, the sleeve is arranged in the cross-connecting channel, the support piece is arranged in the front plug, the length of the sleeve is longer than that of the cross-connecting channel, and the rotating handle is fixedly connected to the end part of the sleeve outside the rear plug;
the sleeve is characterized in that one end of the front plug is provided with a first thread inclined plane, one end of the rear plug, which is opposite to the front plug, is provided with a second thread inclined plane matched with the first thread inclined plane, the front plug and the rear plug are connected through the first thread inclined plane and the second thread inclined plane, an internal thread is formed in a hole of the rear plug, an external thread is formed on the end face, which is opposite to the internal thread, of the sleeve, the other end of the front plug is provided with an expansion cavity, and the support piece is located in the expansion cavity.
As a preferred technical scheme of the invention, the cylinder body is fixedly provided with the circuit board through the rubber plug.
As a preferable technical scheme of the invention, the other end of the cylinder body is provided with a sealing end cover.
As a preferred technical solution of the present invention, at least one binding post is arranged on the sealing end cap at equal intervals.
As a preferred embodiment of the present invention, each of the terminals is electrically connected to the circuit board.
As a preferable technical scheme of the invention, the cylinder body and the sealing end cover are both made of titanium alloy.
As a preferable technical scheme of the invention, the sealing end cover and the barrel body and the wiring terminal and the sealing end cover are sealed by adopting sealant in a pouring way.
As a preferred technical solution of the present invention, the supporting member includes a central shaft, a first shaft sleeve, a second shaft sleeve, a limiting sleeve, and a supporting portion, the central shaft is disposed in the sleeve, and another end of the central shaft extends into the expansion cavity, the end surface of the central shaft located in the expansion cavity is sequentially provided with the first shaft sleeve and the second shaft sleeve from left to right, the first shaft sleeve is slidably connected to the central shaft, the second shaft sleeve is fixedly connected to the central shaft, the central shaft located on the other side of the second shaft sleeve is fixedly connected to the limiting sleeve, and the supporting portion is connected to the first shaft sleeve and the second shaft sleeve.
As a preferred technical scheme of the present invention, the number of the support portions is two, the two support portions are symmetrically disposed on two sides of the first shaft sleeve and the second shaft sleeve, each support portion includes a first hinge seat, a push rod, a second hinge seat, an upright rod, a sliding sleeve, an arc-shaped compression rod and a spring, the first hinge seat and the second hinge seat are respectively and fixedly connected to the first shaft sleeve and the second shaft sleeve, the push rod and the upright rod are respectively hinged to the first hinge seat and the second hinge seat, the surface of the upright rod is slidably connected to the sliding sleeve, the other end of the push rod is hinged to the sliding sleeve, the other end of the upright rod is fixedly connected to the arc-shaped compression rod, and the spring is sleeved on the middle shaft between the first shaft sleeve and the second shaft sleeve.
In a second aspect, the invention provides a method for manufacturing a special temperature and pressure measuring instrument, which comprises the following steps:
s1, fixing the circuit board and the rubber plug and plugging the circuit board and the rubber plug into the barrel, simultaneously connecting the wiring terminal with the circuit board wiring, plugging the sealing end cover into the other end of the barrel, and enabling the wiring terminal to penetrate through the column hole of the sealing end cover;
s2, pouring and sealing the connecting seams between the sealing end cover and the cylinder body and between the sealing end cover and the column hole by using sealant;
s3, connecting the rear plug with the front plug through the first thread inclined plane and the second thread inclined plane, penetrating the sleeve into the penetration passage and connecting the sleeve with the front plug through the external thread and the internal thread, and riveting the end part of the sleeve outside the rear plug with a rotating handle;
s4, arranging a first shaft sleeve and a second shaft sleeve on a middle shaft in sequence from left to right through bearings, welding two first hinge seats and two second hinge seats on two sides of the first shaft sleeve and the second shaft sleeve respectively, hinging a push rod and an upright rod on the two first hinge seats and the two second hinge seats respectively, sleeving a sliding sleeve on the upright rod, hinging the other end of the push rod with the sliding sleeve, and welding an arc-shaped pressure rod on the other end of the upright rod;
s5, inserting the middle shaft of the support into the sleeve to make the support part in the expansion cavity, plugging the sealing component into one end of the cylinder, inserting the tool into the quincuncial hole to prevent the middle shaft from rotating, rotating the sleeve by the rotating handle to move the first sleeve to the expansion cavity to push the spring to deform, and under the action of the movement of the first sleeve, the push rod pushes the vertical rod to be vertical to the second sleeve to support the expansion cavity to further realize sealing.
Compared with the prior art, the invention has the beneficial effects that:
(1) the circuit board is fixed in the cylinder by the rubber plug, so that the circuit board is prevented from moving to damage the wiring; the application of the sealant can enable the sealing end cover, the wiring terminal and the barrel to form a whole, so that the waterproof performance of the barrel is improved, and the fixing effect of the wiring terminal is improved, so that the wiring terminal is not easy to fall off.
(2) The first seal is realized to the barrel through the combination of preceding stopper and back stopper to realize that the second is sealed to the barrel through support piece, so that seal assembly not only can realize quick assembly disassembly, can improve sealing performance moreover, thereby avoided the problem that the barrel leaked, played good protection effect to the circuit board.
The above description is only an overview of the technical solutions of the present invention, and the present invention can be implemented in accordance with the content of the description so as to make the technical means of the present invention more clearly understood, and the above and other objects, features, and advantages of the present invention will be more clearly understood.
Drawings
FIG. 1 is a schematic structural diagram of a special temperature and pressure measuring instrument disclosed by the invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a process flow chart of a manufacturing method of a special temperature and pressure measuring instrument disclosed by the invention.
Description of reference numerals: 100. a measuring instrument; 110. a barrel; 120. a rubber plug; 130. a circuit board; 140. sealing the end cap; 150. a binding post; 160. sealing glue; 200. a seal assembly; 210. a front plug; 211. a first thread bevel; 212. an internal thread; 213. an expansion lumen; 220. a rear plug; 221. a second thread bevel; 230. connecting a channel in a penetrating way; 240. a sleeve; 241. an external thread; 250. a support member; 251. a middle shaft; 2511. plum blossom holes; 252. a first bushing; 253. a second shaft sleeve; 254. a position limiting sleeve; 255. a support portion; 2551. a first hinge mount; 2552. a push rod; 2553. a second hinge mount; 2554. erecting a rod; 2555. a sliding sleeve; 2556. a circular arc-shaped pressure lever; 2557. a spring; 260. the handle is rotated.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive efforts based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
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 those shown in the drawings, merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
Referring to the attached drawings 1-2, the invention provides a technical scheme: a special temperature and pressure measuring instrument comprises a measuring instrument 100 and a sealing assembly 200;
referring to fig. 1, the meter 100 includes a barrel 110; wherein, a circuit board 130 is fixed in the cylinder 110 through the rubber plug 120, the other end of the cylinder 110 is provided with a sealing end cover 140, at least one binding post 150 is arranged on the sealing end cover 140 at equal intervals, and each binding post 150 is electrically connected with the circuit board 130.
In this embodiment, the rubber stopper 120 is used to fix the circuit board 130 in the barrel 110, so as to prevent the circuit board 130 from moving and damaging the wires.
Referring to fig. 1-2, the sealing assembly 200 may seal one end of the cylinder 110, the sealing assembly 200 includes a front plug 210, a rear plug 220, a through channel 230, a sleeve 240, a support 250, and a rotation handle, one end of the rear plug 220 is connected with the front plug 210 to form a sealed whole, the front plug 210 and the rear plug 220 are coaxially opened to form the through channel 230, the through channel 230 is provided with the sleeve 240 therein, the front plug 210 is provided with the support 250 therein, the sleeve 240 is longer than the through channel 230, and the rotation handle is fixedly connected to an end portion of the sleeve 240 located outside the rear plug 220.
Wherein, the one end of preceding stopper 210 is equipped with first screw thread inclined plane 211, back stopper 220 is equipped with the second screw thread inclined plane 221 with first screw thread inclined plane 211 looks adaptation for the one end of preceding stopper 210, preceding stopper 210 is connected through first screw thread inclined plane 211 and second screw thread inclined plane 221 with back stopper 220, the downthehole internal thread 212 of having seted up of back stopper 220, external screw thread 241 has been seted up for the terminal surface of internal thread 212 to sleeve pipe 240, the other end of preceding stopper 210 is equipped with expansion chamber 213, support piece 250 is located the expansion intracavity.
In this embodiment, the first sealing is realized for the cylinder 110 through the combination of the front plug 210 and the rear plug 220, and the second sealing is realized for the cylinder 110 through the support 250, compared with the prior art, the sealing assembly 200 not only can be quickly assembled and disassembled, but also can improve the sealing performance, thereby avoiding the problem of water leakage of the cylinder 110, and having a good protection effect on the circuit board 130.
In the preferred embodiment of the present invention, the cylinder 110 and the end cap 140 are made of titanium alloy. By using titanium alloy material, the corrosion resistance of the cylinder 110 and the sealing end cap 140 is effectively improved, and the circuit board 130 is further protected, thereby avoiding the problem of water leakage of the cylinder 110.
In the preferred embodiment of the present invention, the sealing cap 140 and the barrel 110, and the terminal post 150 and the sealing cap 140 are sealed by pouring sealant 160. The application of the sealant 160 can make the end cap 140, the terminal 150 and the barrel 110 form a whole, which not only improves the waterproof performance of the barrel 110, but also improves the fixing effect of the terminal 150, so that the terminal 150 is not easy to fall off.
Specifically, the supporting member 250 includes a middle shaft 251, a first shaft sleeve 252, a second shaft sleeve 253, a limiting sleeve 254 and a supporting portion 255, the middle shaft 251 is disposed in the sleeve 240, the other end of the middle shaft 251 extends into the expansion cavity 213, the end surface of the middle shaft 251 located in the expansion cavity 213 is sequentially provided with the first shaft sleeve 252 and the second shaft sleeve 253 from left to right, the first shaft sleeve 252 is slidably connected with the middle shaft 251, the second shaft sleeve 253 is fixedly connected with the middle shaft 251, the middle shaft 251 located on the other side of the second shaft sleeve 253 is fixedly connected with the limiting sleeve 254, and the supporting portion 255 is connected with the first shaft sleeve 252 and the second shaft sleeve 253.
In this embodiment, the end of the middle shaft 251 near the rotating handle is provided with a plum-blossom hole 2511, so that when the sealing assembly 200 is disassembled and assembled, a tool is firstly inserted into the plum-blossom hole 2511 to prevent the middle shaft 251 from being rotated, and then the rotating handle drives the sleeve 240 to apply thrust to the first sleeve 252.
Further, the number of the support portions 255 is two, the two support portions 255 are symmetrically disposed on two sides of the first shaft sleeve 252 and the second shaft sleeve 253, each support portion 255 includes a first hinge seat 2551, a push rod 2552, a second hinge seat 2553, an upright rod 2554, a sliding sleeve 2555, an arc-shaped pressure rod 2556 and a spring 2557, the first hinge seat 2551 and the second hinge seat 2553 are respectively and fixedly connected to the first shaft sleeve 252 and the second shaft sleeve 253, the first hinge seat 2551 and the second hinge seat 2553 are respectively and hingedly connected to the push rod 2552 and the upright rod 2554, the surface of the upright rod 2554 is slidably connected to the sliding sleeve 2555, the other end of the push rod 2552 is hinged to the sliding sleeve 2555, the other end of the upright rod 2554 is fixedly connected to the arc-shaped pressure rod 2556, and the spring 2557 is sleeved between the first shaft sleeve 252 and the second shaft sleeve 253 of the middle shaft 251.
In this embodiment, under the pushing of the sleeve 240, the push rod 2552 pushes the vertical rod 2554 to gradually support the expansion cavity 213 vertically with the second bushing 253 to further achieve the sealing.
Of course, the material of the expansion chamber 213 is preferably soft rubber, considering that the expansion chamber 213 can be supported by the vertical rod 2554 and deformed.
In addition, in consideration of the possibility of water leakage between the sleeve and the central shaft, a sealing ring is disposed between the sleeve 240 and the central shaft 251 to achieve the purpose that the sleeve 240 can rotate and form a seal with the central shaft 251.
Example two
Referring to fig. 3, a method for manufacturing a special temperature and pressure measuring instrument according to another embodiment of the present invention includes the following steps:
s1, fixing the circuit board 130 and the rubber plug 120 and plugging the circuit board 130 into the barrel 110, connecting the wiring terminal 150 with the circuit board 130 in a wiring manner, plugging the sealing end cover 140 into the other end of the barrel 110, and enabling the wiring terminal 150 to penetrate through the column hole of the sealing end cover 140;
s2, pouring and sealing the connecting seams between the sealing end cover 140 and the cylinder body 110 and between the sealing end cover 140 and the column hole by using the sealant 160;
s3, connecting the rear plug 220 with the front plug 210 through the first thread inclined surface 211 and the second thread inclined surface 221, and inserting the sleeve 240 into the through channel 230 and connecting the sleeve 240 with the front plug 210 through the external thread 241 and the internal thread 212, wherein the end of the sleeve 240 outside the rear plug 220 is riveted with a rotation handle;
s4, sequentially arranging a first shaft sleeve 252 and a second shaft sleeve 253 on a middle shaft 251 through bearings from left to right, respectively welding two first hinged seats 2551 and two second hinged seats 2553 on two sides of the first shaft sleeve 252 and the second shaft sleeve 253, respectively hinging a push rod 2552 and an upright rod 2554 on the two first hinged seats 2551 and the two second hinged seats 2553, sleeving a sliding sleeve 2555 on the upright rod 2554, hinging the other end of the push rod 2552 with the sliding sleeve 2555, and welding an arc-shaped press rod 2556 on the other end of the upright rod 2554;
s5, the central shaft 251 of the supporting member 250 is inserted into the sleeve 240, so that the supporting portion 255 is located in the expansion cavity 213, and the sealing assembly 200 is inserted into one end of the barrel 110 as a whole, and inserted into the quincunx hole 2511 through a tool to prevent the central shaft 251 from rotating, and the sleeve 240 is rotated by the rotation handle to move towards the expansion cavity 213 to push the first sleeve 252 to deform the spring 2557, and under the action of the movement of the first sleeve 252, the push rod 2552 pushes the upright rod 2554 to gradually support the expansion cavity 213 vertically with the second sleeve 253 to further achieve sealing.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A special temperature and pressure measuring instrument is characterized by comprising:
the measuring instrument comprises a cylinder;
the sealing assembly can seal one end of the barrel and comprises a front plug, a rear plug, a cross-connecting channel, a sleeve, a support piece and a rotating handle, one end of the rear plug is connected with the front plug to form a sealed whole, the front plug and the rear plug are coaxially provided with holes to form the cross-connecting channel, the sleeve is arranged in the cross-connecting channel, the support piece is arranged in the front plug, the length of the sleeve is longer than that of the cross-connecting channel, and the rotating handle is fixedly connected to the end part of the sleeve outside the rear plug;
the supporting piece comprises a middle shaft, a first shaft sleeve, a second shaft sleeve, a limiting sleeve and a supporting part, the middle shaft is arranged in the sleeve, the other end of the middle shaft extends into the expansion cavity, the first shaft sleeve and the second shaft sleeve are sequentially arranged on the end face, located in the expansion cavity, of the middle shaft from left to right, the first shaft sleeve is connected with the middle shaft in a sliding mode, the second shaft sleeve is fixedly connected with the middle shaft, the other side, located in the second shaft sleeve, of the middle shaft is fixedly connected with the limiting sleeve, and the supporting part is connected with the first shaft sleeve and the second shaft sleeve;
the number of the supporting parts is two, the two supporting parts are symmetrically arranged on two sides of the first shaft sleeve and the second shaft sleeve, each supporting part comprises a first hinge seat, a push rod, a second hinge seat, an upright rod, a sliding sleeve, an arc-shaped pressure rod and a spring, the first hinge seat and the second hinge seat are fixedly connected to the first shaft sleeve and the second shaft sleeve respectively, the push rod and the upright rod are hinged to the first hinge seat and the second hinge seat respectively, the sliding sleeve is connected to the surface of the upright rod in a sliding mode, the other end of the push rod is hinged to the sliding sleeve, the arc-shaped pressure rod is fixedly connected to the other end of the upright rod, and the spring is sleeved between the first shaft sleeve and the second shaft sleeve;
the sleeve is characterized in that one end of the front plug is provided with a first thread inclined plane, one end of the rear plug, which is opposite to the front plug, is provided with a second thread inclined plane matched with the first thread inclined plane, the front plug and the rear plug are connected through the first thread inclined plane and the second thread inclined plane, an internal thread is formed in a hole of the rear plug, an external thread is formed on the end face, which is opposite to the internal thread, of the sleeve, the other end of the front plug is provided with an expansion cavity, and the support piece is located in the expansion cavity.
2. A special temperature and pressure measuring instrument according to claim 1, wherein a circuit board is fixed in the barrel body through a rubber plug.
3. A specific temperature and pressure measuring instrument as claimed in claim 2, wherein the other end of the barrel is provided with a sealing end cap.
4. A special temperature and pressure measuring instrument according to claim 3, wherein the sealing end cap has at least one terminal pin arranged at equal intervals.
5. A specific type of temperature and pressure measuring gauge according to claim 4, wherein each of said terminals is electrically connected to said circuit board.
6. A special temperature and pressure measuring instrument according to claim 5, wherein the barrel and the end cap are made of titanium alloy.
7. A special temperature and pressure measuring instrument as claimed in claim 6, wherein the space between the end cap and the barrel, and the space between the terminal post and the end cap are sealed by pouring with sealant.
8. A manufacturing method of a special temperature and pressure measuring instrument is applied to the special temperature and pressure measuring instrument as claimed in any one of claims 1 to 7, and is characterized by comprising the following steps:
s1, fixing the circuit board and the rubber plug and plugging the circuit board and the rubber plug into the barrel, simultaneously connecting the wiring terminal with the circuit board, plugging the sealing end cover into the other end of the barrel, and enabling the wiring terminal to penetrate through the column hole of the sealing end cover;
s2, pouring and sealing the connecting seams between the sealing end cover and the cylinder body and between the sealing end cover and the column hole by using sealant;
s3, connecting the rear plug with the front plug through the first thread inclined plane and the second thread inclined plane, penetrating the sleeve into the penetration passage and connecting the sleeve with the front plug through the external thread and the internal thread, and riveting the end part of the sleeve outside the rear plug with a rotating handle;
s4, sequentially arranging a first shaft sleeve and a second shaft sleeve on a middle shaft from left to right through a bearing, respectively welding two first hinge seats and two second hinge seats on two sides of the first shaft sleeve and the second shaft sleeve, respectively hinging a push rod and an upright rod on the two first hinge seats and the two second hinge seats, sleeving a sliding sleeve on the upright rod, hinging the other end of the push rod with the sliding sleeve, and welding an arc-shaped pressure rod on the other end of the upright rod;
s5, inserting the middle shaft of the support part into the sleeve to enable the support part to be located in the expansion cavity, simultaneously plugging the whole sealing assembly into one end of the barrel, inserting the tool into the quincunx hole to prevent the middle shaft from rotating, rotating the sleeve through the rotating handle to move towards the expansion cavity to push the first shaft sleeve to enable the spring to generate deformation, and under the moving action of the first shaft sleeve, pushing the push rod to push the vertical rod to be gradually perpendicular to the second shaft sleeve to support the expansion cavity to further realize sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210602890.8A CN114689128B (en) | 2022-05-31 | 2022-05-31 | Special temperature and pressure measuring instrument and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210602890.8A CN114689128B (en) | 2022-05-31 | 2022-05-31 | Special temperature and pressure measuring instrument and method thereof |
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| CN114689128A CN114689128A (en) | 2022-07-01 |
| CN114689128B true CN114689128B (en) | 2022-08-19 |
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