Line rolling type thermocouple

Abstract

The utility model relates to the technical field of thermocouples, and discloses a line rolling type thermocouple. Comprising a thermocouple body and a movable base, a winding roller is rotationally connected into the movable base, the wire end of the thermocouple body is wound on the surface of the winding roller, the tail end of the wire end of the thermocouple body is fixedly connected to the outer wall of the winding roller, and a support is fixedly connected to the top of the bottom end of one side of the movable base. An auxiliary supporting mechanism is arranged at the top of the support and comprises a rectangular block fixedly connected to the top of the support, four guide columns are evenly connected to the inner wall of the top end of the rectangular block in a penetrating and sliding mode in the rectangular direction, pressing blocks are fixedly connected to the tops of the four guide columns, and supporting plates are symmetrically and fixedly connected to the outer walls of the two sides of the rectangular block. According to the utility model, the pressing block is matched with the rectangular block to achieve the purpose of pre-fixing the thermocouple body, so that the thermocouple body does not retract immediately when pulling is stopped, and subsequent operation is facilitated.

Description

Technical Field

[0001] This utility model relates to the field of thermocouple technology, and more specifically, to a wire-wound thermocouple. Background Technology

[0002] Thermocouples are commonly used temperature measurement sensors, widely used in industry and laboratories. The appropriate thermocouple type (such as K-type, J-type, T-type) is selected according to the temperature range to be measured. The wires are used to connect the thermocouple measuring end to the temperature measuring instrument, and play the role of transmitting the weak voltage signal generated by the thermocouple.

[0003] When using thermocouples, the wires need to be connected to the temperature measuring instrument in advance. Since the wires of traditional thermocouples are usually of fixed length, when the thermocouple measuring end is too close to the temperature measuring instrument, the excess wires lack support and fixation, which will lead to messy wiring in the test site. At the same time, the wires need to be manually tidied after use, and they are prone to tangling and damage, reducing portability and durability. Utility Model Content

[0004] The purpose of this invention is to provide a wound-up thermocouple to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides a wire-wound thermocouple, comprising a thermocouple body and a movable base. A winding roller is rotatably connected inside the movable base. The lead wire of the thermocouple body is wound around the surface of the winding roller, and the end of the lead wire of the thermocouple body is fixedly connected to the outer wall of the winding roller. A bracket is fixedly connected to the top of one side of the movable base. An auxiliary support mechanism is provided on the top of the bracket. The auxiliary support mechanism includes a rectangular block fixedly connected to the top of the bracket. Four guide posts are evenly and slidably connected through the inner wall of the top of the rectangular block in a rectangular orientation. A pressing block is fixedly connected to the top of the four guide posts. Support plates are symmetrically fixedly connected to the outer walls on both sides of the rectangular block. A buffer is fixedly connected to the top of each of the two support plates. The top of the buffer is fixedly connected to the bottom of the pressing block.

[0006] As a further improvement to this technical solution, the inner wall of the bottom end of the pressing block is set to be arc-shaped, and a rubber pad is fixedly connected to the contact area between the inner wall of the bottom end of the pressing block and the outer wall of the thermocouple body.

[0007] As a further improvement to this technical solution, the bracket is symmetrically fixedly connected to the top of the bracket and on both sides of the rectangular block. The top of the two wire plates is provided with a groove, and the thermocouple body slides in the groove.

[0008] As a further improvement to this technical solution, a limiting block is fixedly connected to the side wall of the pressing block, and a fixing block is fixedly connected to the top side wall of the bracket and directly below the limiting block. A threaded hole is opened inside the fixing block, and a fastener is rotatably connected through the limiting block. The fastener and the fixing block are threadedly connected through the threaded hole.

[0009] As a further improvement to this technical solution, the movable base has horizontal plates symmetrically fixedly connected to the inner side wall at the top and bottom of the winding roller, and several partition blocks are fixedly connected at intervals to the outer wall of the two horizontal plates facing the winding roller.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0011] In this winding thermocouple, an auxiliary support mechanism is set up. The pressing block and rectangular block are used to pre-fix the thermocouple body lead wire end, so that the thermocouple body lead wire end will not retract immediately when the pulling stops, which facilitates subsequent operation. At the same time, when the thermocouple body lead wire end is not pulled out, it can support the thermocouple body lead wire end, making the thermocouple body more stable when it moves with the movable base and winding roller. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0013] Figure 2 This is a three-dimensional structural diagram of the relevant components of the bracket of the utility model;

[0014] Figure 3 This is a front view of the movable base of the utility model;

[0015] Figure 4 This is a three-dimensional structural diagram of the auxiliary support mechanism components of the utility model.

[0016] The meanings of the labels in the diagram are as follows:

[0017] 1. Thermocouple body; 2. Movable base; 21. Bracket; 3. Winding roller; 4. Auxiliary support mechanism; 41. Rectangular block; 42. Guide post; 43. Pressing block; 44. Support plate; 45. Buffer; 51. Rubber pad; 52. Cable tray; 61. Limiting block; 62. Fixing block; 63. Fastener; 71. Horizontal plate; 72. Divider block. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0020] Example 1

[0021] Please see Figures 1-4 As shown, this embodiment provides a wire-wound thermocouple, including a thermocouple body 1 and a movable base 2. A winding roller 3 is rotatably connected inside the movable base 2. The lead wire of the thermocouple body 1 is wound around the surface of the winding roller 3, and the end of the lead wire of the thermocouple body 1 is fixedly connected to the outer wall of the winding roller 3. Since torsion springs are built into both ends of the winding roller 3, when the lead wire of the thermocouple body 1 is pulled out a certain distance for use, the winding roller 3 will rotate in the direction of the pulling of the measuring end of the thermocouple body 1. At the same time, the end of the winding roller 3 will squeeze the torsion spring. Conversely, when the lead wire of the thermocouple body 1 is retracted, the winding roller 3 will rotate in the opposite direction under the rebound of the torsion spring, and rewind the lead wire of the thermocouple body 1. By winding the lead wire of the thermocouple body 1 to the outer wall of the winding roller 3, it is convenient for the user to carry the thermocouple body 1 for movement through the movable base 2, reducing the storage difficulty of the thermocouple body 1. At the same time, the thermocouple body 1, together with the winding roller 3, can be used flexibly according to the detection distance.

[0022] A bracket 21 is fixedly connected to the top of one side of the movable base 2. An auxiliary support mechanism 4 is provided on the top of the bracket 21. The auxiliary support mechanism 4 includes a rectangular block 41 fixedly connected to the top of the bracket 21. Four guide posts 42 are evenly and slidably connected through the top of the rectangular block 41 in a rectangular orientation. Pressing blocks 43 are fixedly connected to the top of the four guide posts 42. Support plates 44 are symmetrically fixedly connected to the outer walls on both sides of the rectangular block 41. Buffer members 45 are fixedly connected to the top of each of the two support plates 44. The top of the buffer member 45 is fixedly connected to the bottom of the pressing block 43. The inner wall of the bottom end of the pressing block 43 is set to be arc-shaped. A rubber pad 51 is fixedly connected to the contact area between the inner wall of the bottom end of the pressing block 43 and the outer wall of the lead wire end of the thermocouple body 1. When the lead wire end of the thermocouple body 1 is pulled out or retracted, its surface will pass through the arc-shaped area of ​​the bottom end of the pressing block 43. By using the rubber pad 51, when the surface of the lead wire end of the thermocouple body 1 contacts the inner wall of the bottom end of the pressing block 43, hard friction is avoided to prevent damage to the surface of the lead wire end of the thermocouple body 1. This protects the surface of the lead wire end of the thermocouple body 1 and improves the service life of the thermocouple body 1.

[0023] Because a buffer 45 is provided between the bottom end of the pressing block 43 and the top of the rectangular block 41, and the buffer 45 is composed of an elastic element and a limiting element, when the lead end of the thermocouple body 1 slides between the two, the lead end of the thermocouple body 1 will lift the pressing block 43, causing the pressing block 43 to slide upward on the inner wall of the top of the rectangular block 41 in conjunction with the guide post 42, and at the same time stretching the buffer 45. When the thermocouple body 1 stops sliding, the pressing block 43 and the guide post 42 are reset due to the rebound characteristic of the buffer 45. Thus, the pressing block 43 and the rectangular block 41 are used to pre-fix the lead end of the thermocouple body 1, so that the lead end of the thermocouple body 1 stops being stretched. When in motion, it will not retract immediately, facilitating subsequent operations. At the same time, when the lead end of the thermocouple body 1 is not pulled out, it can support the lead end of the thermocouple body 1, making the thermocouple body 1 more stable when it moves with the movable base 2 and the winding roller 3. The top of the bracket 21 and both sides of the rectangular block 41 are symmetrically fixed with wire support plates 52. The top of the two wire support plates 52 are provided with grooves. The thermocouple body 1 slides in the grooves. When the lead end of the thermocouple body 1 passes between the pressing block 43 and the rectangular block 41, the two wire support plates 52 make the lead end of the thermocouple body 1 slide inside the grooves, thereby improving the support effect on the lead end of the thermocouple body 1.

[0024] A limiting block 61 is fixedly connected to the side wall of the pressing block 43. A fixing block 62 is fixedly connected to the top side wall of the bracket 21, directly below the limiting block 61. The fixing block 62 has a threaded hole inside. A fastener 63 is rotatably connected through the limiting block 61. The fastener 63 and the fixing block 62 are threadedly connected through the threaded hole. When the lead end of the thermocouple body 1 is pulled out from the surface of the winding roller 3 for use, it is necessary to fix the lead end of the thermocouple body 1. By manually rotating the fastener 63, the fastener 63 moves downward inside the limiting block 61. Then, the fastener 63 is threadedly connected to the threaded hole inside the fixing block 62. After the fastener 63 and the fixing block 62 are combined, the pressing block 43, guide post 42, and rectangular block 41 press the lead end of the thermocouple body 1. The thermocouple body 1 is firmly fixed in place by friction, ensuring its stability during use. This also prevents sudden displacement of the thermocouple body 1's lead ends during operation, improving operational safety. The movable base 2 has horizontal plates 71 symmetrically fixed to its inner wall at the top and bottom of the winding roller 3. Several partition blocks 72 are fixedly connected at intervals to the outer wall of each horizontal plate 71 facing the winding roller 3. These partition blocks 72 effectively separate the lead ends of the thermocouple body 1 as they wind around the surface of the winding roller 3, preventing misalignment and entanglement during pull-out and retraction, thus improving the smoothness of the pull-out and retraction process.

[0025] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A coiled thermocouple, comprising a thermocouple body (1) and a movable base (2), characterized in that: The movable base (2) is rotatably connected to a winding roller (3). The lead wire of the thermocouple body (1) is wound around the surface of the winding roller (3), and the end of the lead wire of the thermocouple body (1) is fixedly connected to the outer wall of the winding roller (3). A bracket (21) is fixedly connected to the top of one side of the movable base (2), and an auxiliary support mechanism (4) is provided on the top of the bracket (21). The auxiliary support mechanism (4) includes a rectangular block (41) fixedly connected to the top of the bracket (21). Four guide posts (42) are evenly and slidably connected through the inner wall of the top of the rectangular block (41) in a rectangular orientation. Pressing blocks (43) are fixedly connected to the top of the four guide posts (42). Support plates (44) are symmetrically fixedly connected to the outer walls on both sides of the rectangular block (41). Buffers (45) are fixedly connected to the top of each of the two support plates (44). The top of the buffers (45) is fixedly connected to the bottom of the pressing blocks (43).

2. The wound-up thermocouple according to claim 1, characterized in that: The inner wall of the bottom end of the pressing block (43) is set to be arc-shaped, and a rubber pad (51) is fixedly connected to the contact area between the inner wall of the bottom end of the pressing block (43) and the outer wall of the thermocouple body (1).

3. The wound-up thermocouple according to claim 1, characterized in that: The bracket (21) is symmetrically fixedly connected to the top of the bracket and to both sides of the rectangular block (41) with wire plates (52). The top of the two wire plates (52) is provided with grooves, and the thermocouple body (1) slides in the grooves.

4. The wound-up thermocouple according to claim 1, characterized in that: The pressing block (43) is fixedly connected to a limiting block (61) on its side wall. The top side wall of the bracket (21) and directly below the limiting block (61) is fixedly connected to a fixing block (62). The fixing block (62) has a threaded hole inside. The limiting block (61) is rotatably connected to a fastener (63) through it. The fastener (63) and the fixing block (62) are threadedly connected through the threaded hole.

5. The wound-up thermocouple according to claim 1, characterized in that: The movable base (2) has horizontal plates (71) symmetrically fixedly connected to the inner wall of the base and to the top and bottom of the winding roller (3). The outer walls of the two horizontal plates (71) facing the winding roller (3) are each fixedly connected with several partition blocks (72) at intervals.

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