Cable protective sleeve for thermocouple
By designing a thermocouple cable protective sleeve including a protective layer, connecting shell, nut, clamping jaw and waterproof glue core, the problem of lack of external protection of thermocouple connection cables in the prior art is solved, and effective protection and sealing of thermocouples and cables is achieved, ensuring the accuracy and reliability of temperature measurement.
Patent Information
- Application Number
- CN202420573660.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-03-22
AI Technical Summary
Existing thermocouple connection cables lack external protection and cannot adapt to corrosion and mechanical damage in complex environments.
A cable protective sleeve for thermocouple is designed, including a protective layer, connecting shell, nut, clamping jaw and waterproof glue core. Through the combination and installation of these components, a sealed protective mechanism is formed and fixed at the connection of thermocouple and cable.
Effectively protect the thermocouple and cables, prevent corrosion and mechanical damage, while preventing water and dust from entering through the sealing structure, ensuring the accuracy and reliability of temperature measurement.
Smart Images

Figure CN222637752U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thermocouple cable protection, in particular to a cable protection sleeve for a thermocouple. Background Art
[0002] One end of the thermocouple is called the measuring end or hot end, which is placed in the temperature area to be measured; the other end is called the reference end or cold end, which is usually maintained at a known or constant temperature. By measuring and analyzing the thermoelectric potential, the actual temperature value of the hot end can be calculated. Thermocouples are divided into different types due to their different material combinations, such as K-type, J-type, T-type, etc. Each type corresponds to a different temperature range and sensitivity. Thermocouples are widely used in industrial process control, laboratory measurement, household appliances, automotive industry and other occasions that require accurate temperature detection.
[0003] As an important temperature measurement sensor, thermocouples have a wide range of applications in practical applications. Thermocouples may be exposed to various corrosive media in chemical, oil refining, metallurgical and other environments. In the existing technology, the connecting cable is usually directly connected to the thermocouple through the connection port. Without external protection, it cannot adapt to various complex environments. Utility Model Content
[0004] The utility model aims to provide a cable protective cover for a thermocouple, which has the advantages of protecting the thermocouple, the cable and the connection port, and solves the problem that the external protection cannot adapt to various complex environments.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cable protective cover for a thermocouple, comprising a connecting cable, a protective mechanism fixedly installed on the outer wall of the connecting cable, a connecting mechanism movably installed on the outer wall of the protective mechanism, characterized in that: the protective mechanism comprises a protective layer, a guide groove is provided on one side of the protective layer, an installation groove is provided on one side of the protective layer, an elastic block is movably installed on the surface of the installation groove, a connecting shell is movably installed on the outer wall of the protective layer, a nut is threadedly connected to one end of the connecting shell, a plurality of clamping claws are fixedly installed on one side of the connecting shell, an inclined groove is provided on one side of the nut, and a connecting seat is threadedly connected to one side of the connecting shell.
[0006] As a preferred embodiment of the thermocouple cable protective cover of the utility model, a waterproof rubber core is movably installed inside the connecting shell, the waterproof rubber core is movably installed on the outer wall of the protective layer, and the connecting seat is fixedly installed on one side of the thermocouple.
[0007] As a preferred embodiment of the thermocouple cable protective cover of the utility model, a tightening belt is fixedly installed on one side of the protective layer.
[0008] As a preferred embodiment of the thermocouple cable protective cover of the utility model, a plurality of reinforcing rings are fixedly mounted on the outer wall of the protective layer, and the reinforcing rings are made of tungsten alloy.
[0009] As a preferred embodiment of the thermocouple cable protective cover of the utility model, a dust cap is rotatably connected to one side of the reinforcement ring.
[0010] As a preferred embodiment of the thermocouple cable protective cover of the utility model, the connecting shell, the nut and the connecting seat are all made of polytetrafluoroethylene, the protective layer is made of silicone rubber, and the inner diameter of the protective layer is smaller than the outer diameter of the connecting cable.
[0011] As a preferred embodiment of the thermocouple cable protective cover of the utility model, a plurality of anti-slip grooves are arranged on the surface of the guide groove.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. The utility model expands the inner diameter of one end of the protective layer through the guide groove, so that the protective layer is conveniently installed on one end of the connecting cable, and then the protective layer is clamped by fixing the elastic clamp block on the surface of the installation groove to preliminarily fix the protective layer, and then the protective layer is completely fixed to the outer wall of the cable connector by filling the guide groove with glue to protect the cable and the cable connector, and then the connecting seat is fixedly installed on one side of the thermocouple, and then the connecting shell is fixedly installed on one side of the connecting seat, and the nut is rotated to make the inclined groove squeeze the surface of the clamping claw, so that the inner diameter of the clamping claw becomes smaller, and finally the connecting shell is clamped on the surface of the protective layer, and finally the protective mechanism is fixedly installed on one side of the thermocouple, the cable is protected by the protective mechanism, and the connecting port of the cable and the thermocouple is sealed and protected by the connecting mechanism, which has the advantages of protecting the thermocouple, the cable and the connecting port, and solves the problem that the external protection cannot adapt to various complex environments. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 It is a structural schematic diagram of the protection mechanism of the utility model;
[0016] Figure 3 It is a structural schematic diagram of the connection mechanism of the utility model.
[0017] In the figure: 1. connecting cable; 2. protection mechanism; 201. protective layer; 202. guide groove; 203. mounting groove; 204. elastic block; 205. tightening belt; 206. anti-skid groove; 207. reinforcement ring; 208. dust cap; 3. connecting mechanism; 301. connecting shell; 302. waterproof rubber core; 303. clamping claw; 304. nut; 305. inclined groove; 306. connecting seat. DETAILED DESCRIPTION
[0018] See also Figure 1-3 A cable protective cover for a thermocouple comprises a connecting cable 1, a protective mechanism 2 is fixedly mounted on the outer wall of the connecting cable 1, a connecting mechanism 3 is movably mounted on the outer wall of the protective mechanism 2, the protective mechanism 2 comprises a protective layer 201, a guide groove 202 is provided on one side of the protective layer 201, a mounting groove 203 is provided on one side of the protective layer 201, an elastic block 204 is movably mounted on the surface of the mounting groove 203, a connecting shell 301 is movably mounted on the outer wall of the protective layer 201, a nut 304 is threadedly connected to one end of the connecting shell 301, a plurality of clamping claws 303 are fixedly mounted on one side of the connecting shell 301, an inclined groove 305 is provided on one side of the nut 304, and a connecting seat 306 is threadedly connected to one side of the connecting shell 301;
[0019] During use, the inner diameter of one end of the protective layer 201 is enlarged through the guide groove 202, so that the protective layer 201 is conveniently installed on one end of the connecting cable 1, and then the protective layer 201 is clamped by fixing the elastic clamp block 204 on the surface of the installation groove 203, and the protective layer 201 is initially fixed, and then the protective layer 201 is completely fixed to the outer wall of the cable by filling the guide groove 202 with glue, so as to protect the cable and the cable connector, and then the connecting seat 306 is fixedly installed on one side of the thermocouple, and then The connecting shell 301 is fixedly installed on one side of the connecting seat 306. The nut 304 is rotated to make the inclined groove 305 squeeze the surface of the clamping claw 303, so that the inner diameter of the clamping claw 303 becomes smaller, and finally the connecting shell 301 is clamped on the surface of the protective layer 201. Finally, the protection mechanism 2 is fixedly installed on one side of the thermocouple. The cable is protected by the protection mechanism 2 and the connection between the cable and the thermocouple is sealed and protected by the connecting mechanism 3. It has the advantages of protecting the thermocouple, the cable and the connection port, and solves the problem that the external protection cannot adapt to various complex environments.
[0020] Furthermore, a waterproof rubber core 302 is movably installed inside the connection shell 301, and the waterproof rubber core 302 is movably installed on the outer wall of the protective layer 201, and the connection seat 306 is fixedly installed on one side of the thermocouple;
[0021] During use, the waterproof rubber core 302 fills the gap between the inclined groove 305 and the protective layer 201 to seal and prevent water from entering the connection between the cable and the thermocouple.
[0022] Furthermore, a tightening belt 205 is fixedly installed on one side of the protective layer 201;
[0023] During use, the overlong cables are gathered by the gathering belt 205 .
[0024] Furthermore, a plurality of reinforcing rings 207 are fixedly mounted on the outer wall of the protective layer 201, and the reinforcing rings 207 are made of tungsten alloy;
[0025] During use, the tungsten alloy reinforcement ring 207 enhances the compression resistance of the protection mechanism 2 to prevent the connector of the connecting cable 1 from being squeezed and damaged.
[0026] Furthermore, a dust cap 208 is rotatably connected to one side of the reinforcement ring 207;
[0027] When the cable is not connected, the connector is sealed and protected by the dust cap 208 to prevent water and dust from entering the connector.
[0028] Furthermore, the connection shell 301, the nut 304, and the connection seat 306 are all made of polytetrafluoroethylene, the protective layer 201 is made of silicone rubber, and the inner diameter of the protective layer 201 is smaller than the outer diameter of the connection cable 1;
[0029] During use, polytetrafluoroethylene is used to make the connecting shell 301, the nut 304, and the connecting seat 306 to ensure that the above-mentioned components have a wide temperature resistance range and chemical stability to ensure durability, while having a certain hardness to ensure the stability of the connection so that the connection will not loosen. The protective layer 201 is made of silicone rubber to ensure that the temperature resistance range is wide and the chemical stability to ensure durability, while making the protective layer 201 have a certain elasticity. Because the inner diameter of the protective layer 201 is smaller than the outer diameter of the connecting cable 1, the protective layer 201 will be tightly attached to the outer wall of the connecting cable 1 after installation, thereby improving the sealing of the protective mechanism 2 and ensuring the protective performance of the protective mechanism 2.
[0030] Furthermore, the surface of the guide groove 202 is provided with a plurality of anti-slip grooves 206;
[0031] During use, the friction force on the surface of the protective layer 201 is increased by a plurality of anti-slip grooves 206 , so that the installation of the protective layer 201 is facilitated.
[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A cable protective cover for a thermocouple, comprising a connecting cable (1), a protective mechanism (2) being fixedly mounted on the outer wall of the connecting cable (1), and a connecting mechanism (3) being movably mounted on the outer wall of the protective mechanism (2), characterized in that: The protection mechanism (2) comprises a protection layer (201), a guide groove (202) is provided on one side of the protection layer (201), a mounting groove (203) is provided on one side of the protection layer (201), an elastic block (204) is movably mounted on the surface of the mounting groove (203), a connection shell (301) is movably mounted on the outer wall of the protection layer (201), a nut (304) is threadedly connected to one end of the connection shell (301), a plurality of clamping claws (303) are fixedly mounted on one side of the connection shell (301), an inclined groove (305) is provided on one side of the nut (304), and a connection seat (306) is threadedly connected to one side of the connection shell (301).
2. The thermocouple cable protective cover according to claim 1, characterized in that: A waterproof rubber core (302) is movably installed inside the connection shell (301), and the waterproof rubber core (302) is movably installed on the outer wall of the protective layer (201). The connection seat (306) is fixedly installed on one side of the thermocouple.
3. The thermocouple cable protective cover according to claim 1, characterized in that: A tightening belt (205) is fixedly mounted on one side of the protective layer (201).
4. The thermocouple cable protective cover according to claim 1, characterized in that: A plurality of reinforcement rings (207) are fixedly mounted on the outer wall of the protective layer (201), and the reinforcement rings (207) are made of tungsten alloy.
5. The thermocouple cable protective cover according to claim 4, characterized in that: A dust cap (208) is rotatably connected to one side of the reinforcement ring (207).
6. The thermocouple cable protective cover according to claim 1, characterized in that: The connection shell (301), the nut (304), and the connection seat (306) are all made of polytetrafluoroethylene, the protective layer (201) is made of silicone rubber, and the inner diameter of the protective layer (201) is smaller than the outer diameter of the connection cable (1).
7. The thermocouple cable protective cover according to claim 1, characterized in that: A plurality of anti-slip grooves (206) are provided on the surface of the guide groove (202).