Temperature sensor connected with high-temperature-resistant cable

Abstract

The utility model discloses a temperature sensor connected with a high-temperature-resistant cable, which comprises an outer shell, a temperature sensing element is distributed below the outer shell, a clamping sleeve is distributed above the outer shell, an end cover is arranged above the clamping sleeve, a positioning bolt penetrates through the periphery of the end cover, and the positioning bolt penetrates through the outer shell. A bolt groove is formed in the upper surface of the clamping sleeve, and a clamping block is arranged on the outer surface of the clamping sleeve; according to the invention, a second spring, a micro damper and an arc-shaped plate are combined for use, so that the cable can be conveniently and better clamped and limited subsequently, stable connection between the cable and the whole sensor can be further realized, and compared with an existing clamping connection mode, the sensor is more convenient and quicker, has higher stability and is more convenient to use. The opposite acting force generated by deformation of the second spring and the micro damper can transversely push the arc-shaped plates, and then the cable can be clamped and limited by combining the arc-shaped plates which move oppositely on the two sides.

Description

Technical Field

[0001] The utility model relates to the field of temperature sensors connected by high-temperature resistant cables, in particular to a temperature sensor connected by high-temperature resistant cables. Background Art

[0002] A temperature sensor is a sensor that can sense temperature and convert it into a usable output signal. Temperature sensors are the core of temperature measuring instruments and come in a wide variety of types. They can be divided into contact and non-contact types based on the measurement method, and into thermal resistors and thermocouples based on the sensor material and electronic component characteristics.

[0003] For example, a temperature sensor connected to a high-temperature resistant cable is disclosed in the utility model with authorization announcement number CN217276569U. The outer shell cover and the sensor outer shell are separated to facilitate removal of the outer shell cover, and two sets of limit assemblies are used to facilitate disassembly of the circuit board, thereby facilitating maintenance of the thermistor installed on the circuit board, thereby increasing the service life of the sensor. However, most of the temperature sensors are currently connected to the cable by a snap-fit ​​method. However, the snap-fit ​​connection method is not only not practical, but also difficult to adjust according to the actual cable size, and has a small scope of application. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a temperature sensor connected by a high-temperature resistant cable, which can solve the problem that the existing temperature sensor connected by a high-temperature resistant cable can facilitate the removal of the outer shell cover through the separate arrangement of the outer shell cover and the sensor outer shell, and the circuit board can be conveniently disassembled in conjunction with two sets of limit assemblies, thereby facilitating the maintenance of the thermistor installed on the circuit board, thereby increasing the service life of the sensor. However, most of the temperature sensors are currently connected to the cable by a snap-fitting manner, but the snap-fitting connection manner is not only not practical, but also difficult to adjust according to the actual cable size, and has a small scope of application. Technical problems.

[0005] To solve the above technical problems, the utility model provides the following technical solutions: a temperature sensor connected by a high-temperature resistant cable, comprising an outer shell, a temperature sensing element is distributed below the outer shell, a clamping sleeve is distributed above the outer shell, and an end cover is arranged above the clamping sleeve, a positioning bolt passes through the periphery of the end cover, a bolt groove is provided on the upper surface of the clamping sleeve, a clamping block is provided on the outer surface of the clamping sleeve, and a first spring is fixedly connected to the inner side of the clamping block, the other end of the first spring is fixedly connected to a positioning rod, and an auxiliary slide plate is sleeved on the outer side of one end of the positioning rod, a second spring is fixedly connected to the inner side wall of the clamping sleeve, and a micro damper is distributed on one side of the second spring, the other end of the second spring is fixedly connected to an arc plate, and a rubber pad is provided on the side of the arc plate away from the second spring, and a clamping structure is provided on the top of the temperature sensing element.

[0006] As a preferred technical solution of the utility model, the snap-fit ​​structure includes a baffle, a protrusion and a mounting sleeve. The baffle is fixedly installed on the top of the temperature sensing element, and a protrusion is arranged on the periphery of the bottom of the baffle, and a mounting sleeve is arranged in the middle of the top of the baffle.

[0007] As a preferred technical solution of the utility model, a third spring is fixedly connected to the inner cavity of the installation sleeve, and the other end of the third spring is fixedly connected to a movable plate, and a wiring head is installed on the top end of the movable plate.

[0008] As a preferred technical solution of the utility model, a through hole is provided at the bottom of the outer shell, and a card slot is connected to one side of the through hole. A groove is provided on the inner side wall of the top end of the outer shell, and a positioning hole is provided on the outer surface of the outer shell.

[0009] As a preferred technical solution of the utility model, the positioning rod is slidably connected to the clamping block through the first spring, and the positioning rods are equidistantly distributed along the center point of the clamping sleeve.

[0010] As a preferred technical solution of the present utility model, the positioning holes are equidistantly distributed along the center point of the outer shell, and the positioning holes and the outer shell form an integrated structure.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. The combined use of the second spring, the micro damper and the arc plate can facilitate the subsequent clamping and limiting of the cable, thereby realizing a stable connection between the cable and the entire sensor. Compared with the existing method of connecting by snap-fitting, it is more convenient and faster, and has higher stability. The reverse force generated by the deformation of the second spring and the micro damper will push the arc plate laterally, and then the cable can be clamped and limited by the arc plates moving toward each other on both sides;

[0013] 2. By using the combination of the baffle, the protrusion and the third spring, the temperature sensing element and the outer shell can be quickly engaged, which is convenient for the subsequent rapid assembly of the entire temperature sensor. At the same time, the reverse force generated by the deformation of the third spring will push the movable plate, and the movement of the movable plate will cause the terminal head to move accordingly, thereby making the terminal head contact with the cable, which is convenient for the subsequent use of the entire temperature sensor. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the temperature sensor structure connected to the high temperature resistant cable of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the temperature sensor clamp sleeve connected to the high-temperature resistant cable of the utility model;

[0016] Figure 3 This is a schematic diagram of the side view structure of the temperature sensor temperature sensing element connected to the high temperature resistant cable of the utility model;

[0017] Figure 4 A schematic diagram of the top view of the outer shell of the temperature sensor connected to the high temperature resistant cable of the utility model;

[0018] Among them: 1. outer shell; 2. temperature sensing element; 3. snap-on sleeve; 4. end cover; 5. positioning bolt; 6. bolt groove; 7. clamping block; 8. first spring; 9. positioning rod; 10. auxiliary slide plate; 11. second spring; 12. micro damper; 13. arc plate; 14. rubber pad; 15. baffle; 16. bump; 17. mounting sleeve; 18. third spring; 19. movable plate; 20. terminal; 21. through hole; 22. clamping slot; 23. groove; 24. positioning hole. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0020] Example

[0021] Please refer to Figure 1 As shown, the utility model provides a temperature sensor connected with a high-temperature resistant cable, comprising an outer shell 1, a temperature sensing element 2 is distributed below the outer shell 1, a clamping sleeve 3 is distributed above the outer shell 1, and an end cover 4 is arranged above the clamping sleeve 3, a positioning bolt 5 is penetrated through the periphery of the end cover 4, a bolt groove 6 is opened on the upper surface of the clamping sleeve 3, a clamping block 7 is arranged on the outer surface of the clamping sleeve 3, and a first spring 8 is fixedly connected to the inner side of the clamping block 7, a positioning rod 9 is fixedly connected to the other end of the first spring 8, and an auxiliary slide plate 10 is sleeved on the outer side of one end of the positioning rod 9, a second spring 11 is fixedly connected to the inner side wall of the clamping sleeve 3, and a micro damper 12 is distributed on one side of the second spring 11, an arc plate 13 is fixedly connected to the other end of the second spring 11, and a rubber pad 14 is arranged on the side of the arc plate 13 away from the second spring 11, and a clamping structure is arranged on the top of the temperature sensing element 2;

[0022] When in use, firstly, the temperature sensing element 2 is passed through the inner side of the outer shell 1 so as to be snap-connected with the outer shell 1, and then the connection between the snap-in sleeve 3 and the outer shell 1 is realized. When the entire temperature sensor structure is assembled, the cable is input into the inner side of the outer shell 1 and snap-in limited by the structure provided on the inner side of the snap-in sleeve 3, so as to facilitate the normal use of the subsequent temperature sensor;

[0023] As a further implementation of this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, a temperature sensing element 2 is distributed below the outer shell 1, a clamping sleeve 3 is distributed above the outer shell 1, and an end cover 4 is arranged above the clamping sleeve 3, a positioning bolt 5 is penetrated through the periphery of the end cover 4, a bolt groove 6 is provided on the upper surface of the clamping sleeve 3, a clamping block 7 is arranged on the outer surface of the clamping sleeve 3, and a first spring 8 is fixedly connected to the inner side of the clamping block 7, a positioning rod 9 is fixedly connected to the other end of the first spring 8, and an auxiliary slide plate 10 is sleeved on the outer side of one end of the positioning rod 9, the positioning rod 9 is slidably connected to the clamping block 7 through the first spring 8, and the positioning rods 9 are equidistantly distributed along the center point of the clamping sleeve 3, and the inner wall of the clamping sleeve 3 is fixedly connected to A second spring 11, and a micro damper 12 is distributed on one side of the second spring 11, the other end of the second spring 11 is fixedly connected to an arc plate 13, and a rubber pad 14 is provided on the side of the arc plate 13 away from the second spring 11, the inner cavity of the mounting sleeve 17 is fixedly connected to a third spring 18, and the other end of the third spring 18 is fixedly connected to a movable plate 19, a terminal head 20 is installed on the top of the movable plate 19, a groove 23 is provided on the inner side wall of the top of the outer shell 1, and a positioning hole 24 is penetrated on the outer surface of the outer shell 1, and the positioning holes 24 are equidistantly distributed along the center point of the outer shell 1, and the positioning holes 24 and the outer shell 1 form an integrated structure;

[0024] When the temperature sensing element 2 and the outer shell 1 are installed, the card sleeve 3 is input into the inner side of the outer shell 1, and then the card sleeve 3 is engaged with the groove 23 opened on the inner wall of the outer shell 1 through the card block 7. Then, when the card block 7 is completely engaged with the groove 23, the reverse force generated by the deformation of the first spring 8 will push the positioning rod 9 laterally, thereby realizing the lateral movement of the positioning rod 9, and then one end of the positioning rod 9 is input into the inner side of the positioning hole 24, so as to realize the stable connection between the card sleeve 3 and the outer shell 1, and then the cable is passed through the end cover 4 and extended to the inner side of the outer shell 1, and then the cable will push the arc plate 13 laterally, and the arc plate 13 will push the second spring 11 and the micro damper 12 laterally, so that the two will be deformed accordingly. The reverse force generated by the deformation of the second spring 11 and the micro damper 12 can realize the lateral resetting of the arc plate 13, so that the arc plates 13 moving toward each other on both sides can be used to clamp and limit one end of the cable, and the setting of the rubber pad 14 can increase the stability of the connection between the two. At the same time, the reverse force generated by the deformation of the third spring 18 will push the movable plate 19 longitudinally, and the movable plate 19 drives the terminal head 20 to contact one end of the cable, which is convenient for the normal operation of the entire temperature sensor. When the structure is connected, the positioning bolt 5 is input into the inner side of the bolt groove 6, and the positioning bolt 5 is rotated to realize the fixed connection between the end cover 4 and the clamping sleeve 3.

[0025] As a further implementation of this embodiment, Figure 1 , Figure 2 and Figure 4As shown, the baffle 15 is fixedly installed on the top of the temperature sensing element 2, and a protrusion 16 is arranged on the periphery of the bottom of the baffle 15, and a mounting sleeve 17 is arranged in the middle of the top of the baffle 15. The baffle 15, the protrusion 16 and the mounting sleeve 17 form a snap-fit ​​structure, and the snap-fit ​​structure is arranged on the top of the temperature sensing element 2. A through hole 21 is opened at the bottom of the outer shell 1, and a card slot 22 is connected to one side of the through hole 21.

[0026] First, the temperature sensing element 2 is passed through the inner side of the outer shell 1, and then the temperature sensing element 2 passes through the outer shell 1 through the through hole 21 opened at the bottom of the outer shell 1, and then the baffle 15 set on the top of the temperature sensing element 2 is used to limit the effect, so as to achieve the initial connection between the temperature sensing element 2 and the outer shell 1, and then the multiple protrusions 16 equidistantly distributed along the center point of the baffle 15 are respectively inserted into the inner side of the slot 22, so as to achieve the snap connection between the temperature sensing element 2 and the outer shell 1, thereby improving the stability of the connection between the two;

[0027] Specific working principle:

[0028] First, the temperature sensing element 2 passes through the inner side of the outer shell 1, and then the temperature sensing element 2 passes through the outer shell 1 through the through hole 21 opened at the bottom of the outer shell 1, and then the baffle 15 set at the top of the temperature sensing element 2 is used to limit the effect, so as to realize the preliminary connection between the temperature sensing element 2 and the outer shell 1, and then the multiple protrusions 16 equidistantly distributed along the center point of the baffle 15 will be respectively inserted into the inner side of the card groove 22, so as to realize the card connection between the temperature sensing element 2 and the outer shell 1, and improve the stability of the connection between the two, and then the card sleeve 3 is input into the inner side of the outer shell 1, and then the card sleeve 3 is carded and connected with the groove 23 opened on the inner side wall of the outer shell 1 through the card block 7, and then when the card block 7 is completely engaged with the groove 23, the reverse force generated by the deformation of the first spring 8 will push the positioning rod 9 laterally, thereby realizing the lateral movement of the positioning rod 9, and then one end of the positioning rod 9 is input into the inner side of the positioning hole 24, so as to realize the stability between the card sleeve 3 and the outer shell 1 The cable is then passed through the end cover 4 and extended to the inner side of the outer shell 1. The cable will then push the arc plate 13 laterally, and the arc plate 13 will push the second spring 11 and the micro damper 12 laterally, so that the two will deform and generate a reverse force. The reverse force generated by the deformation of the second spring 11 and the micro damper 12 can realize the lateral resetting of the arc plate 13, so that the arc plates 13 moving toward each other on both sides can be used to clamp and limit one end of the cable, and the setting of the rubber pad 14 can increase the stability of the connection between the two. At the same time, the reverse force generated by the deformation of the third spring 18 will push the movable plate 19 longitudinally, and the movable plate 19 drives the terminal head 20 to contact one end of the cable, which is convenient for the subsequent normal operation of the entire temperature sensor. When the structure is connected, the positioning bolt 5 is input into the inner side of the bolt groove 6, and the positioning bolt 5 is rotated to achieve a fixed connection between the end cover 4 and the clamping sleeve 3.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A temperature sensor connected by a high temperature resistant cable, comprising an outer shell (1), characterized in that: A temperature sensing element (2) is distributed below the outer shell (1), a clamping sleeve (3) is distributed above the outer shell (1), and an end cover (4) is arranged above the clamping sleeve (3), a positioning bolt (5) is passed through the periphery of the end cover (4), a bolt groove (6) is provided on the upper surface of the clamping sleeve (3), a clamping block (7) is provided on the outer surface of the clamping sleeve (3), and a first spring (8) is fixedly connected to the inner side of the clamping block (7), and the other end of the first spring (8) is fixedly connected to A positioning rod (9) is provided, and an auxiliary slide plate (10) is sleeved on the outer side of one end of the positioning rod (9); a second spring (11) is fixedly connected to the inner side wall of the clamping sleeve (3), and a micro damper (12) is distributed on one side of the second spring (11); an arc plate (13) is fixedly connected to the other end of the second spring (11), and a rubber pad (14) is provided on the side of the arc plate (13) away from the second spring (11); and a clamping structure is provided at the top end of the temperature sensing element (2).

2. A temperature sensor connected by a high temperature resistant cable according to claim 1, characterized in that: The snap-fit ​​structure comprises a baffle (15), a protrusion (16) and a mounting sleeve (17); the baffle (15) is fixedly mounted on the top of the temperature sensing element (2); the bottom periphery of the baffle (15) is provided with a protrusion (16); and the middle part of the top of the baffle (15) is provided with a mounting sleeve (17).

3. The temperature sensor connected by a high temperature resistant cable according to claim 2, characterized in that: The inner cavity of the installation sleeve (17) is fixedly connected to a third spring (18), and the other end of the third spring (18) is fixedly connected to a movable plate (19), and a terminal head (20) is installed at the top end of the movable plate (19).

4. The temperature sensor connected by a high temperature resistant cable according to claim 1, characterized in that: A through hole (21) is provided at the bottom of the outer shell (1), and one side of the through hole (21) is connected to a slot (22). A groove (23) is provided on the inner side wall at the top end of the outer shell (1), and a positioning hole (24) is provided on the outer surface of the outer shell (1).

5. The temperature sensor connected by a high temperature resistant cable according to claim 1, characterized in that: The positioning rod (9) is slidably connected to the clamping block (7) via the first spring (8), and the positioning rod (9) is equidistantly distributed along the center point of the clamping sleeve (3).

6. The temperature sensor connected by a high temperature resistant cable according to claim 4, characterized in that: The positioning holes (24) are distributed at equal distances along the center point of the outer shell (1), and the positioning holes (24) and the outer shell (1) form an integrated structure.

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