Durable exhaust temperature sensor

Abstract

The utility model provides a durable exhaust temperature sensor, which belongs to the field of temperature sensors, and comprises a temperature sensor body, a bent pipe is arranged on the temperature sensor body, the temperature sensor body is connected with a wire, the wire penetrates through the bent pipe, a positioning block is fixedly arranged on the bent pipe, and the positioning block is connected with the bent pipe. A first limiting plate is fixedly arranged on one side of the positioning block, the bent pipe penetrates through the positioning block and is fixedly arranged on the first limiting plate, cavities are formed in the two ends of the positioning block, and fixing assemblies are arranged in the two cavities; the fixing assembly comprises a clamping block, a spring and a mounting pipe. According to the utility model, the fixing assembly and the dismounting assembly are arranged, the temperature sensor body can be rapidly and conveniently installed and dismounted, installation, maintenance and overhaul are facilitated, the working efficiency is improved, and the heat radiation fins are arranged, so that heat radiation at the bent pipe can be accelerated, the service life of the lead can be prolonged, and the durability can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature sensors, in particular to a durable exhaust temperature sensor. Background Art

[0002] The automobile exhaust temperature sensor is a sensor installed on the catalytic muffler to measure the exhaust temperature. The exhaust temperature sensor is an important part of the SCR exhaust treatment system. The sensor monitors the temperature of the catalyst and feeds it back to the ECU for processing, making the engine combustion more efficient and thorough, reducing the engine emission particles to within the limit, and reducing pollution. The existing exhaust temperature sensor housing and connector are connected by wires.

[0003] Exhaust temperature sensors in the prior art are mostly installed and fixed by means of threaded connections. This installation method requires the use of auxiliary tools such as wrenches, and the operation process is complicated, time-consuming, and labor-intensive, which reduces work efficiency. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a durable exhaust temperature sensor.

[0005] The embodiment of the utility model provides a durable exhaust temperature sensor, comprising:

[0006] A temperature sensor body, wherein a bent pipe is arranged on the temperature sensor body, the temperature sensor body is connected with a wire, the wire is arranged through the bent pipe, a positioning block is fixedly arranged on the bent pipe, a first limit plate is fixedly arranged on one side of the positioning block, the bent pipe is fixedly arranged through the positioning block and the first limit plate, chambers are arranged at both ends of the positioning block, and fixing components are arranged in the two chambers;

[0007] The fixing assembly includes a clamping block, a spring and a mounting tube, the mounting tube is arranged in cooperation with the positioning block, a sliding groove is arranged on one side of the chamber through the positioning block, the clamping block is slidably arranged in the sliding groove, a second limiting plate is fixedly arranged on the inner side of the clamping block, the spring is fixedly arranged on the other side of the second limiting plate, the other end of the spring is fixedly arranged on the inner wall of the chamber, and a removal assembly is arranged on the second limiting plate.

[0008] Furthermore, the dismantling assembly includes an axis rod, a pull rope and a movable plate, the two ends of the axis rod are respectively rotatably set on the inner walls on both sides of the chamber, one end of the pull rope is fixedly set on one side of the second limiting plate, the pull rope passes through the positioning block and the first limiting plate and is movably set, one end of the movable plate is hingedly set on the outer side of the first limiting plate, and the other end of the pull rope is fixedly set on the inner side of the movable plate.

[0009] Furthermore, a plurality of heat dissipation fins are fixedly arranged on the bent pipe, and the plurality of heat dissipation fins are evenly distributed.

[0010] Furthermore, a sealing ring is fixedly provided on the inner side of the first limiting plate, and the sealing ring is arranged to abut against the mounting tube.

[0011] Furthermore, two clamping holes are arranged on the inner side of the mounting tube, the outer ends of the two clamping blocks are arranged in an inclined surface, and the two clamping blocks are arranged in cooperation with the clamping holes on the same side.

[0012] Furthermore, guide holes are provided through both ends of the first limiting plate and the positioning block, and the two pull ropes are movably provided through the guide holes on the same side.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] A fixing component is provided. When installing, first insert the temperature sensor body and the positioning block into the mounting tube. The mounting tube squeezes the inclined surfaces of the two clamping blocks, and the two clamping blocks can be pushed inward. When the two clamping blocks are moved to align with the clamping holes on the same side, the two clamping blocks are reset under the action of the corresponding springs and are clamped into the clamping holes on the same side, so that the temperature sensor body can be fixedly installed. The operation is simple.

[0015] A disassembly component is provided. When disassembling, the outer ends of the two movable plates are simultaneously pried outwards. The two movable plates pull the corresponding blocks inwards through the pull ropes on the same side and separate them from the corresponding blocks. At this time, the temperature sensor body can be disassembled and removed. The operation is simple.

[0016] A heat dissipation fin is provided, which can improve the heat dissipation effect at the bend, thereby protecting the wires, extending the service life of the wires and improving durability.

[0017] In summary, the utility model is provided with a fixing component and a removal component, which can quickly and conveniently install and disassemble the temperature sensor body, facilitate installation and maintenance, and improve work efficiency. Heat dissipation fins are also provided to accelerate the heat dissipation at the bend, extend the service life of the wire, and improve durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a stereoscopic diagram of a durable exhaust temperature sensor described in an embodiment of the utility model.

[0019] Figure 2 It is a partial cross-sectional view of a durable exhaust temperature sensor described in an embodiment of the utility model.

[0020] Figure 3 A durable exhaust temperature sensor described in the embodiment of the utility model Figure 2 Enlarged view of point A in the middle.

[0021] Figure 4 It is a stereoscopic diagram of a mounting tube in a durable exhaust temperature sensor described in an embodiment of the utility model.

[0022] In the above drawings: 1 temperature sensor body, 2 bent pipe, 3 wire, 4 positioning block, 5 first limit plate, 6 chamber, 7 slide groove, 8 clamping block, 9 second limit plate, 10 spring, 11 shaft rod, 12 pull rope, 13 guide hole, 14 movable plate, 15 mounting tube, 16 clamping hole, 17 sealing ring, 18 heat sink fin. DETAILED DESCRIPTION

[0023] The technical solution of the present utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0024] like Figure 1-Figure 4 As shown, the embodiment of the utility model provides a durable exhaust temperature sensor, comprising:

[0025] A temperature sensor body 1 is provided with a bent pipe 2, and a plurality of heat dissipation fins 18 are fixedly provided on the bent pipe 2. The plurality of heat dissipation fins 18 are evenly distributed, and the heat dissipation fins 18 can improve the heat dissipation effect at the bent pipe 2, thereby protecting the wire 3, extending the service life of the wire 3, and improving the durability. The temperature sensor body 1 is connected with the wire 3, and the wire 3 is arranged through the bent pipe 2. A positioning block 4 is fixedly provided on the bent pipe 2, and a first limiting plate 5 is fixedly provided on one side of the positioning block 4. The bent pipe 2 is fixedly provided through the positioning block 4 and the first limiting plate 5, and a sealing ring 17 is fixedly provided on the inner side of the first limiting plate 5. The sealing ring 17 is arranged to be matched with the mounting tube 15, and the sealing ring 17 plays a sealing role between the first limiting plate 5 and the mounting tube 15. Both ends of the positioning block 4 are provided with chambers 6, and both chambers 6 are provided with fixed components;

[0026] The fixing assembly includes a clamping block 8, a spring 10 and a mounting tube 15. The mounting tube 15 is arranged in cooperation with the positioning block 4. Two clamping holes 16 are arranged on the inner side of the mounting tube 15. The mounting tube 15 passes through the catalytic muffler and is fixedly arranged. The catalytic muffler is a prior art and is a part of an automobile. The temperature sensor body 1 can be installed on the catalytic muffler through the mounting tube 15.

[0027] A slide groove 7 is provided on one side of the chamber 6 through the positioning block 4, and a card block 8 is slidably arranged in the slide groove 7. The outer ends of the two card blocks 8 are arranged in an inclined surface. The two card blocks 8 are arranged in cooperation with the card holes 16 on the same side, so that the two card blocks 8 can be inserted into the card holes 16 on the same side. A second limiting plate 9 is fixedly provided on the inner side of the card block 8, and the second limiting plate 9 has a limiting effect on the card block 8. A spring 10 is fixedly provided on the other side of the second limiting plate 9, and the other end of the spring 10 is fixedly provided on the inner wall of the chamber 6. A removal component is provided on the second limiting plate 9;

[0028] The removal assembly includes a shaft 11, a pull rope 12 and a movable plate 14. The two ends of the shaft 11 are rotatably arranged on the inner walls of the two sides of the chamber 6, and one end of the pull rope 12 is fixedly arranged on one side of the second limit plate 9. Figure 3 As shown, the shaft rod 11 is arranged around, and the shaft rod 11 guides the pull rope 12. Guide holes 13 are penetrated at both ends of the first limit plate 5 and the positioning block 4. The two pull ropes 12 are movably arranged through the guide holes 13 on the same side. One end of the movable plate 14 is hingedly arranged on the outer side of the first limit plate 5, and the other end of the pull rope 12 is fixedly arranged on the inner side of the movable plate 14.

[0029] The detailed working process of the utility model is as follows:

[0030] During installation, the staff first inserts the temperature sensor body 1 into the installation tube 15, then inserts the positioning block 4 into the installation tube 15, and makes the sealing ring 17 tightly against the installation tube 15. During this process, the installation tube 15 squeezes the inclined surfaces of the two clamping blocks 8, and the two clamping blocks 8 can be pushed inward. When the two clamping blocks 8 move to align with the clamping holes 16 on the same side, the two clamping blocks 8 are reset under the action of the corresponding springs 10 and clamped into the clamping holes 16 on the same side, and the temperature sensor body 1 can be fixedly installed;

[0031] During disassembly, the staff simultaneously bends the outer ends of the two movable plates 14 outward, and the two movable plates 14 pull the corresponding blocks 8 inward through the pull ropes 12 on the same side, so that the two blocks 8 are separated from the corresponding holes 16. At this time, the temperature sensor body 1 can be removed and separated from the mounting tube 15.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A durable exhaust temperature sensor, characterized in that: include: A temperature sensor body (1), wherein a curved tube (2) is arranged on the temperature sensor body (1), the temperature sensor body (1) is connected to a wire (3), the wire (3) is arranged through the curved tube (2), a positioning block (4) is fixedly arranged on the curved tube (2), a first limiting plate (5) is fixedly arranged on one side of the positioning block (4), the curved tube (2) is fixedly arranged through the positioning block (4) and the first limiting plate (5), chambers (6) are arranged at both ends of the positioning block (4), and fixing components are arranged in both chambers (6); The fixing assembly comprises a clamping block (8), a spring (10) and a mounting tube (15); the mounting tube (15) is arranged in cooperation with the positioning block (4); a slide groove (7) is arranged on one side of the chamber (6) and passes through the positioning block (4); the clamping block (8) is slidably arranged in the slide groove (7); a second limit plate (9) is fixedly arranged on the inner side of the clamping block (8); the spring (10) is fixedly arranged on the other side of the second limit plate (9); the other end of the spring (10) is fixedly arranged on the inner wall of the chamber (6); and a removal assembly is arranged on the second limit plate (9).

2. A durable exhaust temperature sensor according to claim 1, characterized in that: in: The dismantling assembly comprises a shaft rod (11), a pull rope (12) and a movable plate (14), the two ends of the shaft rod (11) are rotatably arranged on the inner walls of the chamber (6) on both sides, one end of the pull rope (12) is fixedly arranged on one side of the second limiting plate (9), the pull rope (12) passes through the positioning block (4) and the first limiting plate (5) and is movably arranged, one end of the movable plate (14) is hingedly arranged on the outer side of the first limiting plate (5), and the other end of the pull rope (12) is fixedly arranged on the inner side of the movable plate (14).

3. A durable exhaust temperature sensor according to claim 1, characterized in that: in: A plurality of heat dissipation fins (18) are fixedly arranged on the bent pipe (2), and the plurality of heat dissipation fins (18) are evenly distributed.

4. A durable exhaust temperature sensor according to claim 1, characterized in that: in: A sealing ring (17) is fixedly arranged on the inner side of the first limiting plate (5), and the sealing ring (17) is arranged to abut against the mounting tube (15).

5. A durable exhaust temperature sensor according to claim 1, characterized in that: in: Two clamping holes (16) are arranged on the inner side of the mounting tube (15), the outer ends of the two clamping blocks (8) are arranged in an inclined surface, and the two clamping blocks (8) are arranged in cooperation with the clamping holes (16) on the same side.

6. A durable exhaust temperature sensor according to claim 2, characterized in that: in: Both ends of the first limiting plate (5) and the positioning block (4) are provided with guide holes (13), and the two pull ropes (12) are movably arranged through the guide holes (13) on the same side.

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