CN219956738U

CN219956738U - Patch type PT100 thermal resistor

Info

Publication number: CN219956738U
Application number: CN202321274419.7U
Authority: CN
Inventors: 任建伟; 赵蒋燕
Original assignee: Suzhou Tianjian Electronics Co ltd
Current assignee: Suzhou Tianjian Electronics Co ltd
Priority date: 2023-05-24
Filing date: 2023-05-24
Publication date: 2023-11-03
Anticipated expiration: 2033-05-24

Abstract

The utility model discloses a patch type PT100 thermal resistor, which belongs to the technical field of resistance sensors, and comprises a conduit, wherein one end of the conduit is spliced with a connecting assembly, a plurality of fixing assemblies are rotationally connected to the connecting assembly, the conduit is detached when the joint of the conduit and the connecting assembly is damaged or broken, a wire is electrically connected with the connecting assembly after the conduit is trimmed, the conduit is inserted into a threaded sleeve after the conduit is connected, a plurality of arc plates are downwards rotated and twisted to form a first spring at the moment, a plurality of barbs are clamped on the outer wall of the conduit, two side sliding blocks are inwards moved and compress a second spring according to the diameter of the conduit, at the moment, a hexagonal nut is rotated to enable the hexagonal nut to move forwards on the outer wall of the threaded sleeve until the hexagonal nut rotates on a thread groove on the outer wall of the plurality of arc plates, at the moment, the plurality of arc plates are fixed, the conduit can be limited through barbs, the conduit and the conduit can be repeatedly used for trimming, and the service life is prolonged.

Description

Patch type PT100 thermal resistor

Technical Field

The utility model belongs to the technical field of resistance sensors, and particularly relates to a patch type PT100 thermal resistor.

Background

The measuring instrument composed of the resistance sensor and the corresponding measuring circuit is one of tools necessary for automatic weighing, process detection and production process automation in the departments of metallurgy, electric power, traffic, petrochemical industry, business, biomedicine, national defense and the like, the sensor is an indispensable element in each industry, and the PT100 platinum thermal resistance sensor is the most commonly used temperature sensor.

The lead of the traditional PT100 platinum thermal resistance sensor cannot be repaired without trace after being disconnected with the test head, and the lead is often required to be connected again and then adhered by using an insulating tape, so that the appearance is not attractive enough, and the insulating tape is easy to fall off and lose adhesiveness when being heated.

Disclosure of Invention

Aiming at the problems that the lead wire of the traditional PT100 platinum thermal resistance sensor cannot be repaired without trace after being disconnected with a test head, and the lead wire is often required to be adhered by using an insulating adhesive tape after being reconnected, so that the appearance is not attractive enough, and the insulating adhesive tape is easy to fall off and lose adhesiveness when meeting heat, the utility model provides a patch type PT100 thermal resistance, which comprises a conduit, one end of the conduit is spliced with a connecting assembly, a plurality of fixing assemblies are rotationally connected on the connecting assembly, and the problems can be effectively solved by the cooperation of the components.

In order to solve the problems, the utility model adopts the following technical scheme.

A patch type PT100 thermal resistor comprises a conduit, wherein one end of the conduit is inserted with a connecting assembly, and a plurality of fixing assemblies are rotatably connected to the connecting assembly.

Specifically, can be connected with external instrument through the conduit, can be connected with the conduit through the connection assembly and realize temperature detection, can fix the conduit through fixed assembly.

Further, the inside of the conduit is inserted with symmetrical wires, and one end of each wire at two sides is fixedly connected with a connector lug.

Specifically, the other end of the conduit is connected with the connection assembly through the connector lug and the outside.

Further, the connection assembly include the resistance head, one side fixedly connected with screw thread sleeve of resistance head, screw thread sleeve's outer wall is provided with the through-hole, the inside rotation of through-hole is connected with two-way lead screw, screw thread sleeve keeps away from the one end of resistance head and is provided with a plurality of mounting grooves, screw thread sleeve's inside is provided with symmetrical first spout, fixedly connected with symmetrical fixed electrode plate on the resistance head lateral wall between the first spout of both sides, the inside sliding connection of the first spout of both sides has symmetrical splint, both sides splint and two-way lead screw threaded connection, both sides fixed electrode plate and two-way lead screw rotate to be connected, two-way lead screw is close to the one end of through-hole and is provided with hexagon socket, screw thread sleeve's outer wall threaded connection has hexagon nut.

Specifically, be used for installing fixed assembly through the mounting groove, insert hexagonal wrench through interior hexagonal groove and rotate two-way lead screw so that both sides splint remove to the fixed electrode plate of both sides in the inside of first spout to can press from both sides the connector lug clamp and accomplish electrically conductive.

Further, fixed assembly include the pivot, the both ends outer wall of pivot cup jointed first spring, the outer wall fixedly connected with arc board of pivot, the outer wall that the arc board is close to the upper end is provided with the screw groove, the bottom of arc board is provided with a plurality of recesses, the inner wall of every recess is provided with symmetrical second spout, the inside sliding connection of both sides second spout has symmetrical slider, fixedly connected with installation piece between the both sides slider, the upper end fixedly connected with second spring of installation piece, the lower extreme fixedly connected with barb of installation piece.

Specifically, can make the pivot drive the arc board through first spring have the power of outwards expanding, can screw up through the thread groove cooperation hexagon nut, can block the outer wall at the conduit through the barb and fix the conduit, can be when facing the conduit of different diameters automatic movement adjustment through the second spring to can be more stable to conduit centre gripping.

Further, the pivot rotate and connect in the inside of mounting groove, the outer wall of one end fixedly connected with pivot of first spring, the other end and the inner wall fixed connection of mounting groove of first spring, a plurality of arc boards outwards open under the conventional state.

Further, the conduit is inserted into the threaded sleeve, and the wire is inserted between the clamping plates at both sides and the fixed electrode plate.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the utility model, when the joint of the conduit and the connecting assembly is damaged or broken, the conduit is disassembled, the conducting wire is electrically connected with the connecting assembly after trimming the conduit, the conduit is inserted into the threaded sleeve after connection, the plurality of arc plates are downwards rotated and twisted to enable the plurality of barbs to be clamped on the outer wall of the conduit, the two side sliding blocks are enabled to inwards move according to the pipe diameter of the conduit and compress the second spring, the hexagonal nut is rotated to enable the hexagonal nut to move forwards on the outer wall of the threaded sleeve until rotating to the thread grooves on the outer walls of the plurality of arc plates, the plurality of arc plates are fixed at the moment, the conduit can be limited through the barbs, the conduit and the conducting wire can be trimmed for multiple times, and the service life is prolonged.

(2) According to the utility model, when the lead is electrically connected with the connecting assembly, the hexagonal wrench is inserted into the inner hexagonal groove on the bidirectional lead screw and rotates, so that the two side clamping plates move to two sides, then the lead is respectively inserted between the two side clamping plates and the fixed electrode plate, the bidirectional lead screw can be clamped by reversely rotating, and the bidirectional lead screw can be shielded from loosening when the hexagonal nut rotates to fix the arc plate.

Drawings

FIG. 1 is a schematic diagram of a patch PT100 thermal resistor according to the present utility model;

FIG. 2 is a schematic view of a connecting assembly according to the present utility model;

FIG. 3 is a schematic view of a fixing assembly according to the present utility model.

The correspondence between the reference numerals and the component names in the drawings is as follows:

1. a conduit; 101. a connector lug; 102. a wire;

2. a connection assembly; 201. a resistor head; 202. a hexagonal nut; 203. a two-way screw rod; 204. a threaded sleeve;

205. a mounting groove; 206. a first chute; 207. fixing the electrode plate; 208. a clamping plate;

3. a fixed assembly; 301. a rotating shaft; 302. a first spring; 303. an arc plate; 304. a thread groove; 305. a groove;

306. a second chute; 307. a mounting block; 308. a slide block; 309. a second spring; 310. a barb.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

As shown in fig. 1 to 3, which are schematic diagrams of a patch type PT100 thermal resistor according to a preferred embodiment of the present utility model, the patch type PT100 thermal resistor of this embodiment includes a conduit 1, one end of the conduit 1 is plugged with a connection assembly 2, and the connection assembly 2 is rotatably connected with a plurality of fixing assemblies 3.

Specifically, the conduit 1 can be connected with an external instrument, the connection assembly 2 can be connected with the conduit 1 to realize temperature detection, and the conduit 1 can be fixed through the fixing assembly 3.

Further, symmetrical wires 102 are inserted into the conduit 1, and one ends of the wires 102 at two sides are fixedly connected with a connector lug 101.

Specifically, the other end of the conduit 1 is connected to the connection assembly 2 by the connection of the terminal 101 with the outside.

Further, the connection assembly 2 include resistance head 201, one side fixedly connected with screw sleeve 204 of resistance head 201, the outer wall of screw sleeve 204 is provided with the through-hole, the inside rotation of through-hole is connected with two-way lead screw 203, the one end that screw sleeve 204 kept away from resistance head 201 is provided with a plurality of mounting grooves 205, the inside of screw sleeve 204 is provided with symmetrical first spout 206, fixedly connected with symmetrical fixed electrode plate 207 on the resistance head 201 lateral wall between the first spout 206 of both sides, the inside sliding connection of the first spout 206 of both sides has symmetrical splint 208, both sides splint 208 and two-way lead screw 203 threaded connection, both sides fixed electrode plate 207 and two-way lead screw 203 rotate to be connected, the one end that two-way lead screw 203 is close to the through-hole is provided with interior hexagonal groove, the outer wall threaded connection of screw sleeve 204 has hexagonal nut 202.

Specifically, by the mounting groove 205 for mounting the fixing assembly 3, the hexagon wrench is inserted through the inner hexagon groove to rotate the bidirectional screw 203 so that the two-sided clamping plates 208 move toward the two-sided fixing electrode plates 207 inside the first sliding groove 206, thereby being capable of clamping the connector lug 101 to complete conduction.

Further, the fixing assembly 3 includes a rotating shaft 301, two end outer walls of the rotating shaft 301 are sleeved with a first spring 302, an outer wall of the rotating shaft 301 is fixedly connected with an arc plate 303, a threaded groove 304 is formed in an outer wall, close to the upper end, of the arc plate 303, a plurality of grooves 305 are formed in the bottom of the arc plate 303, symmetrical second sliding grooves 306 are formed in the inner wall of each groove 305, symmetrical sliding blocks 308 are slidably connected to the inner portions of the two side second sliding grooves 306, a mounting block 307 is fixedly connected between the two side sliding blocks 308, a second spring 309 is fixedly connected to the upper end of the mounting block 307, and barbs 310 are fixedly connected to the lower end of the mounting block 307.

Specifically, the first spring 302 can enable the rotating shaft 301 to drive the arc plate 303 to have an outwards-unfolded force, the threaded groove 304 can be matched with the hexagonal nut 202 to be screwed, the barb 310 can be clamped on the outer wall of the conduit 1 to fix the conduit 1, the second spring 309 can automatically move and adjust when facing the conduits 1 with different diameters, and the conduit 1 can be clamped more stably.

Further, the rotating shaft 301 is rotatably connected to the inside of the mounting groove 205, one end of the first spring 302 is fixedly connected to the outer wall of the rotating shaft 301, the other end of the first spring 302 is fixedly connected to the inner wall of the mounting groove 205, and the plurality of arc plates 303 are opened outwards in a normal state.

Further, the conduit 1 is inserted into the threaded sleeve 204, and the lead 102 is inserted between the both side clamping plates 208 and the fixed electrode plate 207.

Working principle: removing the conduit 1 when the joint of the conduit 1 and the connection assembly 2 is damaged or broken, trimming the conduit 1, then electrically connecting the wire 102 with the connection assembly 2, inserting the conduit 1 into the threaded sleeve 204 after connection, rotating the plurality of arc plates 303 downwards at the moment and twisting the first spring 302 so that the plurality of barbs 310 are clamped on the outer wall of the conduit 1 and the two side sliding blocks 308 move inwards according to the pipe diameter of the conduit 1 and compress the second spring 309, rotating the hexagonal nut 202 at the moment so that the hexagonal nut 202 moves forwards on the outer wall of the threaded sleeve 204 until rotating onto the threaded grooves 304 on the outer wall of the plurality of arc plates 303, fixing the plurality of arc plates 303 at the moment, limiting the conduit 1 through the barbs 310, trimming the conduit 1 and the wire 102 for multiple times, and prolonging the service life; when the wire 102 is electrically connected with the connection assembly 2, a hexagonal wrench is used to insert into the inner hexagonal groove on the bidirectional screw rod 203 and rotate, so that the two side clamping plates 208 move to two sides, then the wire 102 is respectively inserted between the two side clamping plates 208 and the fixed electrode plates 207, the bidirectional screw rod 203 is reversely rotated to clamp the wire 102, and the bidirectional screw rod 203 can be shielded from loosening when the hexagonal nut 202 is rotated to fix the arc plate 303.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims

1. A patch type PT100 thermal resistor, characterized in that: including conduit (1), the one end grafting of conduit (1) have connection assembly (2), connect and rotate on assembly (2) and be connected with a plurality of fixed assemblies (3), connection assembly (2) include resistance head (201), one side fixedly connected with screw thread sleeve (204) of resistance head (201), the outer wall of screw thread sleeve (204) is provided with the through-hole, the inside rotation of through-hole is connected with two-way lead screw (203), the one end that screw thread sleeve (204) kept away from resistance head (201) is provided with a plurality of mounting grooves (205), the inside of screw thread sleeve (204) is provided with symmetrical first spout (206), fixedly connected with symmetrical fixed electrode plate (207) on the resistance head (201) lateral wall between the first spout (206) of both sides, the inside sliding connection of first spout (206) of both sides has symmetrical splint (208), both sides splint (208) and two-way lead screw (203) threaded connection, the one end that two-way lead screw (203) are close to the through-hole is provided with interior hexagonal groove, the outer wall 202 of screw thread sleeve (204) is kept away from resistance head (201), the pivot (301) of two-way electrode plate (301) are cup jointed to pivot (301) including a pivot end of a spring (301), the outer wall fixedly connected with arc board (303) of pivot (301), the outer wall that arc board (303) is close to the upper end is provided with screw groove (304), the bottom of arc board (303) is provided with a plurality of recesses (305), the inner wall of every recess (305) is provided with symmetrical second spout (306), the inside sliding connection of both sides second spout (306) has symmetrical slider (308), fixedly connected with installation piece (307) between both sides slider (308), the upper end fixedly connected with second spring (309) of installation piece (307), the lower extreme fixedly connected with barb (310) of installation piece (307).

2. A patch PT100 thermal resistor as claimed in claim 1, wherein: symmetrical wires (102) are inserted into the wire conduit (1), and one end of each wire (102) at two sides is fixedly connected with a connector lug (101).

3. A patch PT100 thermal resistor as claimed in claim 1, wherein: the rotating shaft (301) is rotationally connected to the inside of the mounting groove (205), one end of the first spring (302) is fixedly connected with the outer wall of the rotating shaft (301), the other end of the first spring (302) is fixedly connected with the inner wall of the mounting groove (205), and the plurality of arc plates (303) are outwards opened in a conventional state.

4. A patch PT100 thermal resistor as claimed in claim 1, wherein: the conduit (1) is inserted into the threaded sleeve (204), and the wire (102) is inserted between the clamping plates (208) on two sides and the fixed electrode plate (207).