CN111323139A - Explosion-proof locking mechanism of temperature sensor component - Google Patents
Explosion-proof locking mechanism of temperature sensor component Download PDFInfo
- Publication number
- CN111323139A CN111323139A CN202010124409.XA CN202010124409A CN111323139A CN 111323139 A CN111323139 A CN 111323139A CN 202010124409 A CN202010124409 A CN 202010124409A CN 111323139 A CN111323139 A CN 111323139A
- Authority
- CN
- China
- Prior art keywords
- threaded
- sleeve
- locking
- explosion
- threaded sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/14—Supports; Fastening devices; Arrangements for mounting thermometers in particular locations
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
- G01K1/08—Protective devices, e.g. casings
- G01K1/12—Protective devices, e.g. casings for preventing damage due to heat overloading
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/02—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using thermoelectric elements, e.g. thermocouples
Abstract
The invention discloses an explosion-proof locking mechanism for a temperature sensor element, which comprises a threaded sleeve, a telescopic spring, a locking sleeve and a threaded joint, wherein the threaded sleeve is sleeved with a locking hole; a cavity is formed in the threaded sleeve, internal threads are arranged at one end of the threaded sleeve in the axial direction, and a baffle is arranged at the other end of the threaded sleeve; the telescopic spring is arranged between the threaded sleeve and the locking sleeve; at least 1 threaded hole is formed in the radial direction of the locking sleeve; and the two ends of the threaded joint in the axial direction are both provided with external threads, one end of the threaded joint is used for being connected with the threaded sleeve, and the other end of the threaded joint is used for being connected with a component to be measured in temperature. The explosion-proof locking mechanism for the temperature sensor element is a novel tool, obviously reduces the failure rate of the armored temperature element and prolongs the service life of the armored temperature element in the actual use process, and meanwhile, the device has the advantages of simple structure, convenience in manufacturing, simplicity and easiness in installation, strong practicability and high popularization value.
Description
Technical Field
The invention relates to the technical field of armored temperature elements, in particular to an explosion-proof locking mechanism of a temperature sensor element.
Background
For large-scale thermal power plants, sheathed thermocouples and thermal resistors are used as conventional temperature measuring elements and widely applied to various large thermodynamic systems, and have the advantages of high temperature resistance, quick thermal response time, firmness and durability. The installation of armor temperature component generally adopts screwed joint and cutting ferrule to cooperate, and screwed joint is used for connecting parts such as testee, pipeline, cylinder body, and cutting ferrule connects armor temperature component and screwed joint zonulae occludens to make armor temperature component fix on the part of being surveyed. The clamping sleeve joint generally comprises a clamping sleeve, a seamless steel pipe and a nut, and the clamping sleeve is automatically embedded into the seamless steel pipe after the nut is screwed, so that the armored temperature element is tightly connected with the clamping sleeve, and the fixing and sealing effects are achieved.
In actual production process, when armor temperature element measures high temperature component, the inside insulating filler of armor temperature can be heated the inflation, utilizes traditional cutting ferrule mode to fix armor temperature element and can lead to the unable inflation of armor temperature element flexible, and when the inflation volume is great, the inside insulating filler of armor temperature element will break through the stainless steel protection tube, takes place the phenomenon that armor temperature element bursts. The proportion of damage of the armored temperature element is very high under the conditions, normal monitoring of temperature signals of a thermodynamic system is influenced, and maintenance and replacement cost is greatly increased.
Based on the above situation, the invention provides an explosion-proof locking mechanism for a temperature sensor element, which can effectively solve the above problems.
Disclosure of Invention
The invention aims to provide an explosion-proof locking mechanism for a temperature sensor element. The explosion-proof locking mechanism for the temperature sensor element has the advantages of convenience in assembly, simple structure, good explosion-proof effect and the like, and has high popularization value.
The invention is realized by the following technical scheme:
an explosion-proof locking mechanism of a temperature sensor element comprises a threaded sleeve, a telescopic spring, a locking sleeve and a threaded joint;
when the armored temperature element is used, the armored temperature element penetrates through the threaded sleeve, the telescopic spring, the locking sleeve and the threaded connector from top to bottom and penetrates out;
the threaded sleeve is internally provided with a cavity, one end of the threaded sleeve in the axial direction is provided with internal threads and is used for being connected with one end of the threaded joint, and the other end of the threaded sleeve is provided with a baffle;
the telescopic spring is arranged between the threaded sleeve and the locking sleeve, and is accommodated in the cavity of the threaded sleeve after being installed, one end of the telescopic spring is in contact with the baffle, and the other end of the telescopic spring is in contact with the locking sleeve;
at least 1 threaded hole is formed in the radial direction of the locking sleeve, and the threaded holes are used for being in threaded fit with corresponding locking screws; after being installed, the threaded sleeve is accommodated in the cavity of the threaded sleeve;
and the two ends of the threaded joint in the axial direction are both provided with external threads, one end of the threaded joint is used for being connected with the threaded sleeve, and the other end of the threaded joint is used for being connected with a component to be measured in temperature.
The temperature element (namely armored temperature element) explosion-proof locking device comprises a threaded sleeve, an expansion spring, a locking sleeve and a threaded joint; the armored temperature element is respectively inserted into the threaded sleeve, the telescopic spring, the locking sleeve and the threaded connector from top to bottom, the locking sleeve is locked with the armored temperature element through a plurality of locking nuts (locking screws), the spring is installed above the locking sleeve, and finally the threaded sleeve is connected and fastened with the threaded connector; when the temperature element is heated and expanded, the temperature element can have enough expansion allowance (the armored temperature element can have 0.5cm-1.5cm of expansion allowance) under the action of the expansion spring, so that the explosion-proof purpose is achieved.
The temperature sensor element explosion-proof locking mechanism solves the problem that an armored temperature element cannot stretch out and draw back after being heated, so that the element bursts, has a simple structure, is convenient and reliable to use, and can not only normally fix the armored temperature element, but also automatically stretch out and draw back the armored temperature element.
The explosion-proof locking mechanism for the temperature sensor element is a novel tool, obviously reduces the failure rate of the armored temperature element and prolongs the service life of the armored temperature element in the actual use process, and meanwhile, the device has the advantages of simple structure, convenience in manufacturing, simplicity and easiness in installation, strong practicability and high popularization value.
Preferably, the threaded sleeve is in a hexagonal nut shape as a whole.
Preferably, the locking sleeve is provided with 4 threaded holes in the radial direction, and the threaded holes are used for being in threaded fit with corresponding locking screws.
Preferably, the 4 threaded holes are distributed in an array in the circumferential direction of the locking sleeve.
Preferably, the upper part of the locking sleeve is circumferentially provided with a blocking piece, and the blocking piece is used for contacting with one end of the telescopic spring after being installed.
Preferably, the middle part of the threaded joint is provided with a boss in the shape of a hexagonal nut.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the temperature element (namely armored temperature element) explosion-proof locking device comprises a threaded sleeve, an expansion spring, a locking sleeve and a threaded joint; the armored temperature element is respectively inserted into the threaded sleeve, the telescopic spring, the locking sleeve and the threaded connector from top to bottom, the locking sleeve is locked with the armored temperature element through a plurality of locking nuts (locking screws), the spring is installed above the locking sleeve, and finally the threaded sleeve is connected and fastened with the threaded connector; when the temperature element is heated and expanded, the temperature element can have enough expansion allowance (the armored temperature element can have 0.5cm-1.5cm of expansion allowance) under the action of the expansion spring, so that the explosion-proof purpose is achieved.
The temperature sensor element explosion-proof locking mechanism solves the problem that an armored temperature element cannot stretch out and draw back after being heated, so that the element bursts, has a simple structure, is convenient and reliable to use, and can not only normally fix the armored temperature element, but also automatically stretch out and draw back the armored temperature element.
The explosion-proof locking mechanism for the temperature sensor element is a novel tool, obviously reduces the failure rate of the armored temperature element and prolongs the service life of the armored temperature element in the actual use process, and meanwhile, the device has the advantages of simple structure, convenience in manufacturing, simplicity and easiness in installation, strong practicability and high popularization value.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a reference structure diagram of the use state of the invention (for easy understanding, 4 parts of the threaded sleeve, the telescopic spring, the locking sleeve and the threaded joint are not folded/are not assembled).
In the figure: 6-waterproof junction box; 61-electrical interface; 62-a wiring porcelain plate; 63-terminal block joint; 64-Cold clamp.
Detailed Description
In order that those skilled in the art will better understand the technical solutions of the present invention, the following description of the preferred embodiments of the present invention is provided in conjunction with specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The waterproof junction box and the like are obtained from conventional commercial sources or manufactured by conventional methods if no special description is provided, the specific structure, the working principle, the control mode and the space arrangement mode which can be related to the waterproof junction box and the like are selected conventionally in the field, and the waterproof junction box and the like are not considered as the innovation point of the invention.
Example 1:
as shown in fig. 1 to 2, an explosion-proof locking mechanism for a temperature sensor element comprises a threaded sleeve 1, a telescopic spring 2, a locking sleeve 3 and a threaded joint 4; when in use, the armored temperature element 5 penetrates through the threaded sleeve 1, the telescopic spring 2, the locking sleeve 3 and the threaded connector 4 from top to bottom and penetrates out; a cavity is formed in the threaded sleeve 1, internal threads are arranged at one end of the threaded sleeve in the axial direction and are used for being connected with one end of the threaded joint 4, and a baffle plate 11 is arranged at the other end of the threaded sleeve; the telescopic spring 2 is arranged between the threaded sleeve 1 and the locking sleeve 3, is accommodated in a cavity of the threaded sleeve 1 after being installed, and has one end contacted with the baffle 11 and the other end contacted with the locking sleeve 3; at least 1 threaded hole is formed in the radial direction of the locking sleeve 3, and the threaded holes are used for being in threaded fit with corresponding locking screws 31; after being installed, the threaded sleeve is accommodated in a cavity of the threaded sleeve 1; and external threads are arranged at two ends of the threaded connector 4 in the axial direction, one end of the threaded connector is used for being connected with the threaded sleeve 1, and the other end of the threaded connector is used for being connected with a component to be measured in temperature.
Example 2:
as shown in fig. 1 to 2, an explosion-proof locking mechanism for a temperature sensor element comprises a threaded sleeve 1, a telescopic spring 2, a locking sleeve 3 and a threaded joint 4;
when in use, the armored temperature element 5 penetrates through the threaded sleeve 1, the telescopic spring 2, the locking sleeve 3 and the threaded connector 4 from top to bottom and penetrates out;
a cavity is formed in the threaded sleeve 1, internal threads are arranged at one end of the threaded sleeve in the axial direction and are used for being connected with one end of the threaded joint 4, and a baffle plate 11 is arranged at the other end of the threaded sleeve;
the telescopic spring 2 is arranged between the threaded sleeve 1 and the locking sleeve 3, is accommodated in a cavity of the threaded sleeve 1 after being installed, and has one end contacted with the baffle 11 and the other end contacted with the locking sleeve 3;
at least 1 threaded hole is formed in the radial direction of the locking sleeve 3, and the threaded holes are used for being in threaded fit with corresponding locking screws 31; after being installed, the threaded sleeve is accommodated in a cavity of the threaded sleeve 1;
both ends of the screwed joint 4 in the axial direction are provided with external threads, one end of the screwed joint is used for being connected with the threaded sleeve 1, and the other end of the screwed joint is used for being connected with a part (such as a container filled with liquid to be measured) with a measured temperature (such as threaded connection can be adopted, and when the screwed joint is connected in necessary, a sealing gasket can be added, so that a good sealing effect is achieved.
The two ends of the threaded joint are both provided with external threads, the lower part of the threaded joint is used for fixing a component to be tested, and the upper part of the threaded joint is used for connecting a threaded sleeve. The locking sleeve is locked with the armored temperature element through a plurality of locking nuts, and the upper part of the locking sleeve supports the telescopic spring. The telescopic spring is arranged above the locking sleeve, so that the temperature element can have enough telescopic allowance. The threaded sleeve adopts internal threads and is connected and fastened with the threaded connector.
When the armored temperature element is heated to expand, the temperature element can be ensured to have the expansion allowance of 0.5cm-1.5cm by the action of the expansion spring, and the explosion-proof purpose is achieved.
Further, in another embodiment, the threaded sleeve 1 is in the form of a hexagonal nut as a whole.
This facilitates the mounting, dismounting, screwing/screwing.
Further, in another embodiment, the locking sleeve 3 is provided with 4 threaded holes in the radial direction, and the threaded holes are all used for being in threaded fit with the corresponding locking screws 31.
The locking sleeve is locked with the armored temperature element through four locking nuts, the armored temperature element is stressed more uniformly, the locking effect is better, the armored temperature element is not easy to damage, the locking nuts are mounted too much, the number is too small, and the locking effect is not good.
Further, in another embodiment, the 4 threaded holes are distributed in an array in the circumferential direction of the locking sleeve 3.
Therefore, the armored temperature element is stressed more uniformly, has better locking effect and is not easy to damage.
Further, in another embodiment, the locking sleeve 3 is circumferentially provided with a stop 32 at the upper portion, and the stop 32 is used for contacting with one end of the extension spring 2 after installation.
The position and the telescopic area of the telescopic spring 2 can be better defined by the arrangement of the baffle 32.
Further, in another embodiment, the middle of the threaded joint 4 is provided with a boss 41 in the shape of a hexagon nut.
This facilitates the mounting, dismounting, screwing/screwing.
It should be noted that:
the armored temperature element is commonly used in the field, and specifically, for example, a thermocouple/thermal resistance wire, an insulating material and a metal protective sleeve are assembled in a combined mode and then are stretched to form a solid combination, and the insulating material and the metal protective sleeve in the whole combination are expanded when heated.
The whole insulating material and the metal protection pipe of the armored temperature element can expand when being heated, the expansion is mainly axial, and slight expansion can be generated in the radial direction.
The explosion-proof locking mechanism for the temperature sensor element of the present invention can be easily manufactured or used by those skilled in the art according to the description of the present invention and the attached drawings, and can produce the positive effects described in the present invention.
Unless otherwise specified, in the present invention, if there is an orientation or positional relationship indicated by terms of "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications and equivalent variations of the above embodiments according to the technical spirit of the present invention are included in the scope of the present invention.
Claims (6)
1. An explosion-proof locking mechanism of temperature sensor component which characterized in that: comprises a threaded sleeve (1), a telescopic spring (2), a locking sleeve (3) and a threaded joint (4);
when the temperature-resistant armored temperature element is used, the armored temperature element (5) penetrates through the threaded sleeve (1), the expansion spring (2), the locking sleeve (3) and the threaded connector (4) from top to bottom and penetrates out;
a cavity is formed in the threaded sleeve (1), internal threads are arranged at one end of the threaded sleeve in the axial direction and are used for being connected with one end of the threaded joint (4), and a baffle plate (11) is arranged at the other end of the threaded sleeve;
the telescopic spring (2) is arranged between the threaded sleeve (1) and the locking sleeve (3), and is accommodated in a cavity of the threaded sleeve (1) after being installed, one end of the telescopic spring is in contact with the baffle (11), and the other end of the telescopic spring is in contact with the locking sleeve (3);
at least 1 threaded hole is formed in the radial direction of the locking sleeve (3), and the threaded holes are used for being in threaded fit with corresponding locking screws (31); after being installed, the threaded sleeve is accommodated in a cavity of the threaded sleeve (1);
and external threads are arranged at two ends of the threaded connector (4) in the axial direction, one end of the threaded connector is connected with the threaded sleeve (1), and the other end of the threaded connector is connected with a component to be measured in temperature.
2. The explosion-proof locking mechanism of temperature sensor element of claim 1, wherein: the whole threaded sleeve (1) is in a hexagonal nut shape.
3. The explosion-proof locking mechanism of temperature sensor element of claim 1, wherein: and 4 threaded holes are formed in the radial direction of the locking sleeve (3), and are used for being in threaded fit with corresponding locking screws (31).
4. The explosion-proof locking mechanism of temperature sensor element of claim 3, wherein: the 4 threaded holes are distributed in an array mode in the circumferential direction of the locking sleeve (3).
5. The explosion-proof locking mechanism of temperature sensor element of claim 1, wherein: the upper portion of locking sleeve pipe (3) is provided with separation blade (32) circumferentially, and separation blade (32) are used for installing the back, with the one end contact of expanding spring (2).
6. The explosion-proof locking mechanism of temperature sensor element of claim 1, wherein: and a boss (41) in a hexagonal nut shape is arranged in the middle of the threaded joint (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010124409.XA CN111323139A (en) | 2020-02-27 | 2020-02-27 | Explosion-proof locking mechanism of temperature sensor component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010124409.XA CN111323139A (en) | 2020-02-27 | 2020-02-27 | Explosion-proof locking mechanism of temperature sensor component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111323139A true CN111323139A (en) | 2020-06-23 |
Family
ID=71172978
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010124409.XA Pending CN111323139A (en) | 2020-02-27 | 2020-02-27 | Explosion-proof locking mechanism of temperature sensor component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111323139A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006090762A (en) * | 2004-09-22 | 2006-04-06 | Kawaso Electric Industrial Co Ltd | Temperature measurement instrument |
| CN202582765U (en) * | 2011-12-05 | 2012-12-05 | 安徽天康(集团)股份有限公司 | Thermocouple and gas turbine using same |
| CN104089715A (en) * | 2014-07-29 | 2014-10-08 | 中国核动力研究设计院 | Thermocouple insulation locator, mounting method thereof and wall temperature measuring device |
| CN104596663A (en) * | 2015-01-04 | 2015-05-06 | 安徽蓝德仪表有限公司 | Bearing platinum thermal resistor |
| CN206362457U (en) * | 2016-12-31 | 2017-07-28 | 安徽天康(集团)股份有限公司 | Elasticity loading torque resistant formula temperature element |
| CN209459782U (en) * | 2019-03-28 | 2019-10-01 | 浙江大唐乌沙山发电有限责任公司 | The anti-wear bearing temperature detection device of leakproof |
| CN211553110U (en) * | 2020-02-27 | 2020-09-22 | 浙江浙能嘉华发电有限公司 | Temperature element explosion-proof locking device |
-
2020
- 2020-02-27 CN CN202010124409.XA patent/CN111323139A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006090762A (en) * | 2004-09-22 | 2006-04-06 | Kawaso Electric Industrial Co Ltd | Temperature measurement instrument |
| CN202582765U (en) * | 2011-12-05 | 2012-12-05 | 安徽天康(集团)股份有限公司 | Thermocouple and gas turbine using same |
| CN104089715A (en) * | 2014-07-29 | 2014-10-08 | 中国核动力研究设计院 | Thermocouple insulation locator, mounting method thereof and wall temperature measuring device |
| CN104596663A (en) * | 2015-01-04 | 2015-05-06 | 安徽蓝德仪表有限公司 | Bearing platinum thermal resistor |
| CN206362457U (en) * | 2016-12-31 | 2017-07-28 | 安徽天康(集团)股份有限公司 | Elasticity loading torque resistant formula temperature element |
| CN209459782U (en) * | 2019-03-28 | 2019-10-01 | 浙江大唐乌沙山发电有限责任公司 | The anti-wear bearing temperature detection device of leakproof |
| CN211553110U (en) * | 2020-02-27 | 2020-09-22 | 浙江浙能嘉华发电有限公司 | Temperature element explosion-proof locking device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211553110U (en) | Temperature element explosion-proof locking device | |
| CN111323139A (en) | Explosion-proof locking mechanism of temperature sensor component | |
| CN111780888B (en) | Thermal resistance | |
| CN201163218Y (en) | Anti-ventilation leakage thermocouple of blast furnace | |
| CN109900419B (en) | Elastic pressure sensor probe structure | |
| CN217637773U (en) | Hot water pipeline pressure monitoring device | |
| CN111473879B (en) | Cable type multi-point multi-branch flexible armored thermal resistor/thermocouple | |
| CN215003985U (en) | Miniature temperature measuring device for power cable intermediate joint | |
| CN2816771Y (en) | External compressed-spring screw-fixing type armoured thermal electric coupler | |
| JPS63315959A (en) | Differential temperature sensor and measuring system for incorporating the same | |
| CN210180552U (en) | Thermocouple with conveniently replaced accessory | |
| CN209623890U (en) | A kind of temperature thermocouple transfer panel | |
| CN210372494U (en) | Compensator for water heating pipeline | |
| CN208206332U (en) | A kind of expansion type installation temperature detecting resistance | |
| CN113192281A (en) | Wireless transmission's temperature-sensing fire detector | |
| CN218297404U (en) | Sensor fixed connection constitutes | |
| CN201263610Y (en) | Electrical pressure cooker temperature sensor mounting structure | |
| CN218765646U (en) | Temperature sensor protection tube | |
| CN219223971U (en) | Multi-junction-box thermocouple supporting structure capable of independently replacing core body | |
| CN216752314U (en) | Linear temperature-sensing controller with protection | |
| CN215952796U (en) | Sensor and aircraft engine comprising same | |
| CN220398733U (en) | Temperature sensor for water turbine bearing bush | |
| CN217442703U (en) | Device for protecting temperature measuring resistor in pipeline | |
| CN219200654U (en) | Spring-pressed surface thermocouple | |
| CN220249154U (en) | Automobile water tank pipeline protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200623 |