Thermocouple convenient for rapid connection

Abstract

The utility model discloses a thermocouple convenient for quick connection in the technical field of thermocouples, which comprises a mounting base and a thermocouple connector, the front end of the thermocouple connector is connected with a thermocouple wire, the rear end of the thermocouple connector is connected with a cable, and the center of the mounting base is provided with a through hole for the thermocouple wire to penetrate through; the outer ring of the thermocouple connector is fixedly provided with a baffle ring and a support ring, the baffle ring is internally provided with a plurality of groups of buckle assemblies, an elastic telescopic assembly for driving the plurality of groups of buckle assemblies to open and close at the same time is arranged between the baffle ring and the support ring, and the top of the mounting base is provided with a plurality of groups of clamping holes corresponding to the buckle assemblies one by one. According to the utility model, the problems that the existing thermocouple and the equipment are assembled in a threaded connection mode, the data line at the rear end of the thermocouple is easy to wind when the thermocouple is rotationally connected, the installation mode is relatively tedious, and rapid assembly and disassembly are not facilitated are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of thermocouples, in particular to a thermocouple which is convenient for quick connection. Background Art

[0002] Thermocouple is a commonly used temperature measuring element in temperature measuring instruments. It directly measures temperature and converts temperature signals into thermoelectric potential signals, which are then converted into the temperature of the measured medium through electrical instruments (secondary instruments). The appearance of various thermocouples is often very different due to needs, but their basic structure is roughly the same. They are usually composed of main parts such as hot electrodes, insulating sleeve protection tubes and junction boxes, and are usually used in conjunction with display instruments, recording instruments and electronic regulators.

[0003] Existing thermocouples are usually assembled with devices using threaded connections. However, the data cable at the rear end of the thermocouple is easily entangled when the thermocouple is rotated. The installation method is also relatively cumbersome and not conducive to quick assembly and disassembly. Therefore, those skilled in the art provide a thermocouple that is easy to connect quickly to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a thermocouple which is convenient for quick connection, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a thermocouple that is easy to connect quickly, comprising a mounting base and a thermocouple connector, the front end of the thermocouple connector is connected to a thermocouple wire, the rear end of the thermocouple connector is connected to a cable, and the center of the mounting base is provided with a through hole for the thermocouple wire to pass through;

[0006] The outer ring of the thermocouple connector is fixedly installed with a retaining ring and a supporting ring, and multiple groups of snap-on assemblies are installed inside the retaining ring. An elastic telescopic assembly that drives the multiple groups of snap-on assemblies to switch simultaneously is installed between the retaining ring and the supporting ring, and multiple groups of snap-on holes corresponding to the snap-on assemblies are opened on the top of the mounting base.

[0007] Preferably, a connecting groove for the buckle assembly to move is provided inside the retaining ring, two sets of sliding rods are fixedly installed inside the connecting groove, and the buckle assembly can slide on the surfaces of the sliding rods.

[0008] Preferably: the buckle assembly includes two groups of L-shaped clamping rods slidably mounted on the surface of the slide rod, the top ends of the two groups of L-shaped clamping rods are connected to the elastic telescopic assembly through a movable rod connected by rotation, and the clamping hole is an inverted T shape corresponding to the two groups of L-shaped clamping rods.

[0009] Preferably, the elastic telescopic component comprises a pull ring slidably sleeved on the outer ring of the thermocouple connector, a plurality of groups of springs are connected between the pull ring and the retaining ring, and the bottom of the pull ring is rotatably connected to the top of the movable rod.

[0010] Preferably, the elastic telescopic assembly further comprises a positioning rod fixedly mounted between the retaining ring and the supporting ring and having a plurality of groups of pull rings passing therethrough, the pull rings being able to slide up and down on the surface of the positioning rod, and the spring being sleeved on the outer ring of the positioning rod.

[0011] Preferably, a first fixing block hingedly connected to the bottom end of the movable rod is fixedly installed on the top end of the L-shaped clamping rod, and a second fixing block hingedly connected to the top end of the movable rod is fixedly installed on the bottom of the pull ring.

[0012] Preferably, the bottom of the retaining ring is bonded with a sealing ring that can abut against the top surface of the mounting base.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, the pull ring is pulled on the outer ring of the thermocouple connector to move, the pull ring drives the spring to extend and retract and the movable rod to move, the movable rod can drive the L-shaped clamping rod to move on the surface of the slide rod, and the spring reset can drive the pull ring, the movable rod and the L-shaped clamping rod to reset, so that the L-shaped clamping rod can be conveniently buckled into the inside of the clamping hole, thereby facilitating the rapid installation of the thermocouple and the disassembly is also relatively convenient.

[0015] 2. In the utility model, by providing a positioning rod, the stability of the pull ring movement can be improved, and the spring can be prevented from tilting laterally during extension and retraction. By providing multiple groups of snap assemblies, connecting rods, springs and snap holes, the stability of the connection between the thermocouple and the mounting base can be improved. By providing a sealing ring, the sealing of the connection between the mounting base and the retaining ring can be improved, and the tightness of the L-shaped snap rod snapped to the inside of the snap hole can also be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 A bottom view of the overall structure of the utility model;

[0018] Figure 3 It is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 4 For this utility model Figure 3 A is an enlarged view of the middle image.

[0020] In the figure: 1. mounting base; 2. thermocouple connector; 3. thermocouple wire; 4. cable; 5. retaining ring; 6. support ring; 7. clamping hole; 8. connecting groove; 9. sliding rod; 10. L-shaped clamping rod; 11. movable rod; 12. pull ring; 13. spring; 14. positioning rod; 15. first fixing block; 16. second fixing block; 17. sealing ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 to Figure 4 In an embodiment of the utility model, a thermocouple that is easy to connect quickly includes a mounting base 1 and a thermocouple connector 2, the front end of the thermocouple connector 2 is connected to an electric couple wire 3, the rear end of the thermocouple connector 2 is connected to a cable 4, the center of the mounting base 1 is provided with a through hole for the electric couple wire 3 to pass through, the outer ring of the thermocouple connector 2 is respectively fixedly installed with a retaining ring 5 and a supporting ring 6, a plurality of groups of snap-on components are installed inside the retaining ring 5, an elastic telescopic component that drives the plurality of groups of snap-on components to switch at the same time is installed between the retaining ring 5 and the supporting ring 6, and a plurality of groups of snap-on holes 7 corresponding to the snap-on components are opened on the top of the mounting base 1.

[0023] When in use, a mounting base 1 is fixedly provided on the equipment where a thermocouple device needs to be installed. When installing the thermocouple, the thermocouple wire 3 is penetrated through the mounting base 1 and extended to the inside of the equipment. The operator pulls the elastic telescopic component, and the elastic telescopic component drives the snap-on component to contract. After multiple groups of snap-on components are embedded in the corresponding snap-on holes 7, the retaining ring 5 abuts against the mounting base 1, and the external force on the elastic telescopic component is removed. The elastic telescopic component can drive the snap-on component to reset, and the snap-on component can be fastened to the inside of the snap-on hole 7, thereby realizing a quick connection between the thermocouple connector 2 and the mounting base 1.

[0024] In one embodiment, a connecting groove 8 is opened inside the retaining ring 5 for the movement of the snap assembly, and two groups of sliding rods 9 are fixedly installed inside the connecting groove 8. The snap assembly can slide on the surface of the sliding rod 9. Specifically, the snap assembly includes two groups of L-shaped clamping rods 10 slidably installed on the surface of the sliding rod 9. The top ends of the two groups of L-shaped clamping rods 10 are connected to the elastic telescopic assembly through a movable rod 11 connected by rotation, and the clamping hole 7 is an inverted T-shape corresponding to the two groups of L-shaped clamping rods 10.

[0025] Among them, the elastic telescopic component includes a pull ring 12 slidably mounted on the outer ring of the thermocouple connector 2, multiple groups of springs 13 are connected between the pull ring 12 and the retaining ring 5, and the bottom of the pull ring 12 is rotatably connected to the top of the movable rod 11. Furthermore, the elastic telescopic component also includes a multiple group of positioning rods 14 fixedly installed between the retaining ring 5 and the support ring 6 and penetrating the pull ring 12. The pull ring 12 can slide up and down on the surface of the positioning rod 14, and the spring 13 is mounted on the outer ring of the positioning rod 14.

[0026] The pull ring 12 is pulled on the outer ring of the thermocouple connector 2 to move, and the pull ring 12 drives the spring 13 to retract. The movement of the pull ring 12 can drive the movable rod 11 to move, and the movable rod 11 can drive the L-shaped clamping rod 10 to move on the surface of the slide rod 9. A positioning rod 14 is further provided to improve the stability of the movement of the pull ring 12 and prevent the spring 13 from tilting laterally when retracting. The reset of the spring 13 can drive the pull ring 12, the movable rod 11 and the L-shaped clamping rod 10 to reset, so that the L-shaped clamping rod 10 can be easily buckled into the clamping hole 7.

[0027] The top of the L-shaped clamping rod 10 is fixedly installed with a first fixed block 15 hingedly connected to the bottom end of the movable rod 11, and the bottom of the pull ring 12 is fixedly installed with a second fixed block 16 hingedly connected to the top of the movable rod 11, which can facilitate the assembly between the components. The bottom of the retaining ring 5 is bonded with a sealing ring 17 that can abut against the top surface of the mounting base 1. The sealing ring 17 can be made of rubber material, which can improve the sealing of the connection between the mounting base 1 and the retaining ring 5, and can also improve the tightness of the L-shaped clamping rod 10 buckled into the clamping hole 7.

[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A thermocouple that is easy to connect quickly, characterized in that: The invention comprises a mounting base (1) and a thermocouple connector (2), wherein the front end of the thermocouple connector (2) is connected to a thermocouple wire (3), the rear end of the thermocouple connector (2) is connected to a cable (4), and a through hole through which the thermocouple wire (3) passes is provided at the center of the mounting base (1); The outer ring of the thermocouple connector (2) is fixedly mounted with a retaining ring (5) and a supporting ring (6), a plurality of buckle assemblies are mounted inside the retaining ring (5), an elastic telescopic assembly is mounted between the retaining ring (5) and the supporting ring (6) for driving the plurality of buckle assemblies to switch simultaneously, and a plurality of buckle holes (7) corresponding to the buckle assemblies are arranged on the top of the mounting base (1).

2. A thermocouple for quick connection according to claim 1, characterized in that: A connecting groove (8) for the buckle assembly to move is provided inside the retaining ring (5), and two groups of slide bars (9) are fixedly installed inside the connecting groove (8), and the buckle assembly can slide on the surface of the slide bars (9).

3. A thermocouple for quick connection according to claim 2, characterized in that: The buckle assembly comprises two groups of L-shaped clamping rods (10) slidably mounted on the surface of the slide rod (9), the top ends of the two groups of L-shaped clamping rods (10) are connected to the elastic telescopic assembly via a movable rod (11) that is rotatably connected, and the clamping hole (7) is in an inverted T shape corresponding to the two groups of L-shaped clamping rods (10).

4. A thermocouple for quick connection according to claim 3, characterized in that: The elastic telescopic component comprises a pull ring (12) slidably mounted on the outer ring of the thermocouple connector (2), a plurality of groups of springs (13) are connected between the pull ring (12) and the retaining ring (5), and the bottom of the pull ring (12) is rotatably connected to the top of the movable rod (11).

5. A thermocouple for quick connection according to claim 4, characterized in that: The elastic telescopic component also includes a plurality of positioning rods (14) fixedly installed between the retaining ring (5) and the supporting ring (6) and having a plurality of groups of pull rings (12) penetrating therethrough. The pull rings (12) can slide up and down on the surface of the positioning rods (14), and the springs (13) are sleeved on the outer ring of the positioning rods (14).

6. A thermocouple for quick connection according to claim 5, characterized in that: A first fixing block (15) hingedly connected to the bottom end of the movable rod (11) is fixedly installed on the top end of the L-shaped clamping rod (10), and a second fixing block (16) hingedly connected to the top end of the movable rod (11) is fixedly installed on the bottom of the pull ring (12).

7. A thermocouple for quick connection according to claim 1, characterized in that: The bottom of the retaining ring (5) is bonded with a sealing ring (17) which can abut against the top surface of the mounting base (1).

Images