Connecting mechanism of thermocouple wire and thermocouple plug

The combined design of the rotating ring and the limit rod solves the problem of looseness between the thermocouple plug and the connecting wire, achieves a stable connection, simplifies operation, enhances adaptability, and ensures the continuity and reliability of temperature measurement.

CN120674848AInactive Publication Date: 2025-09-19武汉芯能特科技有限公司
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Patent Information

Application Number
CN202511078219.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-01
Publication Date
2025-09-19
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The traditional connection method between thermocouple plug and connecting wire is prone to loosening and falling off due to frequent plugging and unplugging or external vibration, affecting the continuity of temperature measurement and the reliability of data transmission.

Method used

The combination design of rotating ring, pushing block, rotation limit rod and positioning shaft is adopted. The rotating ring drives the pushing block to rotate the rotation limit rod to achieve a close connection between the thermocouple wire and the plug, and is fixed by positioning bolts. Combined with the detachable docking ring and limit bolt design, it can adapt to thermocouple wires of different specifications.

Benefits of technology

The device ensures a firm connection between the thermocouple wire and the plug to prevent loosening, simplifies the operation process, improves the stability and work efficiency of temperature measurement, and enhances the versatility and adaptability of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a connecting mechanism of a thermocouple wire and a thermocouple plug, and belongs to the technical field of thermocouple wires and thermocouple plugs, the connecting mechanism comprises the thermocouple plug and the thermocouple wire, the thermocouple plug is provided with a positioning shaft, the positioning shaft is provided with a rotation limiting rod, the thermocouple plug is provided with a rotation ring, and the rotation limiting rod is provided with a rotation limiting rod. A pushing block is arranged on the inner surface of the rotating ring, and a positioning bolt is installed on the pushing block. According to the butt joint device for the thermocouple plug and the connecting wire, through the unique combined design of the rotating ring, the pushing block, the rotating limiting rod and the positioning shaft, tight connection of the thermocouple wire and the plug is achieved, and under the action of the rotating ring, the pushing block drives the rotating limiting rod to rotate, so that the thermocouple wire is firmly limited in the plug; the problem of loose connection caused by frequent plugging or external vibration is effectively prevented, and continuous and stable transmission of temperature measurement data is ensured.
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Description

Technical Field

[0001] The invention belongs to the technical field of thermocouple wires and thermocouple plugs, and particularly relates to a connecting mechanism for thermocouple wires and thermocouple plugs. Background Art

[0002] In industrial production and scientific research, thermocouples are widely used as temperature measurement components. The stable connection between their plugs and connecting wires is crucial to ensure the accuracy and reliability of measurement data.

[0003] The traditional connection method between thermocouple plugs and connecting wires has many disadvantages. The connection structure is relatively simple and mainly relies on the close fit between the plug and the socket to achieve connection. When frequently plugged and unplugged or subjected to external vibration interference, it is easy to loosen and fall off, resulting in measurement interruption or abnormal data transmission, affecting the normal production process and experimental progress. Summary of the Invention

[0004] In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a connection mechanism between a thermocouple wire and a thermocouple plug, which effectively solves the problems in the current market.

[0005] The technical solution adopted by the present invention is as follows: The present invention proposes a connection mechanism between a thermocouple wire and a thermocouple plug, including a thermocouple plug and a thermocouple wire, the thermocouple plug is provided with a positioning shaft, the positioning shaft is provided with a rotation limit rod, the thermocouple plug is installed with a rotating ring, the inner surface of the rotating ring is provided with a pushing block, and the pushing block is installed with a positioning bolt.

[0006] Furthermore, a docking block is provided on the thermocouple line, a fixing plate is installed on the docking block, and a movable rod is provided on the fixing plate.

[0007] Furthermore, a docking ring is provided at one end of the movable rod away from the fixed plate, a connecting shaft is connected between the docking ring and the movable rod, a pin is connected between the connecting shafts, and a limiting bolt is installed on the pin.

[0008] Furthermore, the positioning shaft is symmetrically arranged on the thermocouple plug, and the positioning shaft is fixedly connected to the thermocouple plug, and the rotation limit rod is rotationally connected to the positioning shaft.

[0009] Furthermore, the pushing block is symmetrically arranged on the inner surface of the rotating ring, and the pushing block is fixedly connected to the rotating ring, and the positioning bolt is threadedly connected to the rotating ring.

[0010] Furthermore, the docking block is fixedly connected to the thermocouple wire, the fixed plate is symmetrically arranged on the docking block, and the fixed plate is fixedly connected to the docking block, and one end of the movable rod is rotatably connected to the fixed plate.

[0011] Furthermore, the docking ring is rotatably connected to an end of the movable rod away from the fixed plate.

[0012] Furthermore, the connecting shaft passes through and rotatably connects to the movable rod, and the docking ring is fixedly connected to the connecting shaft.

[0013] Furthermore, the shape of the docking ring is semicircular, the docking ring forms a detachable structure through a pin shaft, and the limiting bolt is threadedly connected to the pin shaft.

[0014] The beneficial effects achieved by the present invention using the above structure are as follows:

[0015] (1) The thermocouple plug and connecting wire docking device realizes a tight connection between the thermocouple wire and the plug through a unique combination design of a rotating ring, a pushing block, a rotating limit rod and a positioning shaft. Under the action of the rotating ring, the pushing block drives the rotating limit rod to rotate, so that the thermocouple wire is firmly fixed inside the plug, effectively preventing the connection from loosening due to frequent plugging and unplugging or external vibration, and ensuring the continuous and stable transmission of temperature measurement data;

[0016] (2) The entire docking process is simple and easy to operate. You only need to insert the docking block on the thermocouple wire into the plug, rotate the rotating ring and adjust the positioning bolt to complete the connection and fix it. There is no need to use complex tools or tedious steps, which greatly saves operation time and labor costs, improves work efficiency, and facilitates rapid installation and maintenance in various industrial sites.

[0017] (3) The docking ring adopts a detachable structural design, which can be easily disassembled and adjusted through the pin shaft and limit bolts. It can be flexibly adapted to thermocouple wires of different specifications, thereby enhancing the versatility and adaptability of the device and meeting the diverse needs in different application scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural diagram of a connection mechanism between a thermocouple wire and a thermocouple plug proposed by the present invention;

[0019] Figure 2 This is an exploded view of a connection mechanism between a thermocouple wire and a thermocouple plug proposed by the present invention;

[0020] Figure 3 A schematic diagram of the connection mechanism between a thermocouple wire and a thermocouple plug proposed by the present invention Figure 1 ;

[0021] Figure 4 A schematic diagram of the connection mechanism between a thermocouple wire and a thermocouple plug proposed by the present invention Figure 2 ;

[0022] Figure 5 for Figure 3 A magnified schematic diagram of the structure at center A.

[0023] Among them, 1. Thermocouple plug; 2. Positioning shaft; 3. Rotation limit rod; 4. Rotating ring; 5. Push block; 6. Positioning bolt; 7. Thermocouple wire; 8. Docking block; 9. Fixed plate; 10. Movable rod; 11. Docking ring; 12. Connecting shaft; 13. Pin shaft; 14. Limit bolt.

[0024] The accompanying drawings are used to provide further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the embodiments of the present invention and do not constitute a limitation of the present invention. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that terms such as "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside" and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they should not be understood as limiting the present invention.

[0027] like Figure 1-Figure 5 As shown, the present invention proposes a connection mechanism between a thermocouple wire and a thermocouple plug, including a thermocouple plug 1 and a thermocouple wire 7. A positioning shaft 2 is provided on the thermocouple plug 1, a rotation limit rod 3 is provided on the positioning shaft 2, a rotating ring 4 is installed on the thermocouple plug 1, a pushing block 5 is provided on the inner surface of the rotating ring 4, and a positioning bolt 6 is installed on the pushing block 5.

[0028] A docking block 8 is provided on the thermocouple wire 7 , a fixing plate 9 is installed on the docking block 8 , and a movable rod 10 is provided on the fixing plate 9 .

[0029] A docking ring 11 is provided at one end of the movable rod 10 away from the fixed plate 9 , a connecting shaft 12 is connected between the docking ring 11 and the movable rod 10 , a pin 13 is connected between the connecting shafts 12 , and a limiting bolt 14 is installed on the pin 13 .

[0030] The positioning shaft 2 is symmetrically arranged on the thermocouple plug 1 , and the positioning shaft 2 is fixedly connected to the thermocouple plug 1 , and the rotation limit rod 3 is rotationally connected to the positioning shaft 2 .

[0031] The pushing block 5 is symmetrically arranged on the inner surface of the rotating ring 4 , and the pushing block 5 is fixedly connected to the rotating ring 4 , and the positioning bolt 6 is threadedly connected to the rotating ring 4 .

[0032] The docking block 8 is fixedly connected to the thermocouple wire 7 , the fixing plate 9 is symmetrically arranged on the docking block 8 , and the fixing plate 9 is fixedly connected to the docking block 8 , and one end of the movable rod 10 is rotatably connected to the fixing plate 9 .

[0033] The docking ring 11 is rotatably connected to an end of the movable rod 10 away from the fixed plate 9 .

[0034] The connecting shaft 12 passes through and is rotatably connected to the movable rod 10 , and the docking ring 11 is fixedly connected to the connecting shaft 12 .

[0035] The docking ring 11 is semicircular in shape and is detachable through a pin shaft 13 . A limiting bolt 14 is threadedly connected to the pin shaft 13 .

[0036] During specific use, the docking block 8 provided on the thermocouple wire 7 is inserted into the interior of the thermocouple plug 1, and the positioning bolt 6 provided on the rotating ring 4 is rotated to separate the positioning bolt 6 from the rotating ring 4. Then, the rotating ring 4 is rotated manually. The rotation of the rotating ring 4 drives the rotation limit rod 3 to rotate through the pushing block 5. After the pushing block 5 is rotated, the thermocouple wire 7 cannot be separated from the thermocouple plug 1. After the rotating ring 4 rotates, the positioning bolt 6 is used again to fix the rotating ring 4.

[0037] Docking the docking rings 11, passing the thermocouple wire 7 between the docking rings 11, then inserting the pin 13 into the connection of the docking rings 11, and finally installing the limit bolt 14 on the pin 13 to complete the connection and fixation of the docking rings 11. The above is the overall workflow of the present invention. Just repeat this step when using it next time. The actual operation process is very simple and easy.

[0038] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0039] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

[0040] The present invention and its embodiments are described above. This description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by this and, without departing from the purpose of the present invention, designs structures and embodiments similar to this technical solution without inventiveness, they shall fall within the scope of protection of the present invention.

Claims

1. A connection mechanism between a thermocouple wire and a thermocouple plug, characterized in that: The invention comprises a thermocouple plug (1) and a thermocouple wire (7); a positioning shaft (2) is provided on the thermocouple plug (1); a rotation limiting rod (3) is provided on the positioning shaft (2); a rotating ring (4) is installed on the thermocouple plug (1); a pushing block (5) is provided on the inner surface of the rotating ring (4); and a positioning bolt (6) is installed on the pushing block (5).

2. The connection mechanism between a thermocouple wire and a thermocouple plug according to claim 1, wherein: A docking block (8) is provided on the thermocouple wire (7), a fixing plate (9) is installed on the docking block (8), and a movable rod (10) is provided on the fixing plate (9).

3. The connection mechanism between a thermocouple wire and a thermocouple plug according to claim 2, wherein: A docking ring (11) is provided at one end of the movable rod (10) away from the fixed plate (9); a connecting shaft (12) is connected between the docking ring (11) and the movable rod (10); a pin shaft (13) is connected between the connecting shafts (12); and a limiting bolt (14) is installed on the pin shaft (13).

4. The connection mechanism between a thermocouple wire and a thermocouple plug according to claim 3, wherein: The positioning shaft (2) is symmetrically arranged on the thermocouple plug (1), and the positioning shaft (2) is fixedly connected to the thermocouple plug (1), and the rotation limit rod (3) is rotationally connected to the positioning shaft (2).

5. The connection mechanism between a thermocouple wire and a thermocouple plug according to claim 4, characterized in that: The pushing block (5) is symmetrically arranged on the inner surface of the rotating ring (4), and the pushing block (5) is fixedly connected to the rotating ring (4), and the positioning bolt (6) is threadedly connected to the rotating ring (4).

6. The connection mechanism between a thermocouple wire and a thermocouple plug according to claim 5, characterized in that: The docking block (8) is fixedly connected to the thermocouple wire (7), the fixed plate (9) is symmetrically arranged on the docking block (8), and the fixed plate (9) is fixedly connected to the docking block (8), and one end of the movable rod (10) is rotatably connected to the fixed plate (9).

7. The connection mechanism between a thermocouple wire and a thermocouple plug according to claim 6, wherein: The docking ring (11) is rotatably connected to one end of the movable rod (10) away from the fixed plate (9).

8. The connection mechanism between a thermocouple wire and a thermocouple plug according to claim 7, wherein: The connecting shaft (12) passes through and is rotatably connected to the movable rod (10), and the docking ring (11) is fixedly connected to the connecting shaft (12).

9. The connection mechanism between a thermocouple wire and a thermocouple plug according to claim 8, characterized in that: The docking ring (11) is semicircular in shape, and the docking ring (11) forms a detachable structure through a pin shaft (13), and the limiting bolt (14) is threadedly connected to the pin shaft (13).