Protection device for temperature sensor

Abstract

The utility model relates to the technical field of sensors, and discloses a protection device for a temperature sensor, which comprises a lower cover box, an upper cover box is arranged at the upper end of the lower cover box, the lower cover box is rotatably connected with the upper cover box through a hinge, an arch-shaped frame is arranged in the upper cover box and the lower cover box, a motor is fixedly connected to the inner wall of the front end of the arch-shaped frame, and the inner wall of the front end of the arch-shaped frame is fixedly connected with the motor. The output end of the motor is fixedly connected with a driving gear, the front end of the arch frame is rotationally connected with a two-way threaded rod, the outer ring of the middle end of the two-way threaded rod is fixedly connected with a driven gear, and the driven gear is connected with the driving gear in an engaged mode. The temperature sensors are flexibly clamped through the springs and the telescopic rods in the clamping plates, the temperature sensors of different sizes and models can be rapidly assembled and disassembled, the sliding blocks slide on the outer walls of the sliding rods, the reset springs are extruded and buffered, the temperature sensors are protected through the protection frames, the sponge mats and the baffles, and the temperature sensors are prevented from being damaged. The service life is prolonged.

Description

Technical Field

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

[0002] A temperature sensor is a sensor that can sense temperature and convert it into a usable output signal. Temperature sensors are the core of temperature measuring instruments and come in a wide variety of types. They can be divided into contact and non-contact types based on the measurement method, and into thermal resistors and thermocouples based on the sensor material and electronic component characteristics.

[0003] After searching, the existing Chinese patent announcement number is: CN216746454U, which provides a temperature sensor protection cover. The patent is through a cylinder, a first curved plate and a second curved plate. The cylinder is sleeved on the temperature sensor, and the first curved plate and the second curved plate are both slidably connected to the cylinder. When disassembling the circuit of the temperature sensor, the first curved plate and the second curved plate slide back to back to an open through groove, and the circuit is conveniently disassembled and assembled through the through groove; in the working state, the first curved plate and the second curved plate slide toward each other to close to at least cover part of the through groove. The temperature sensor protection cover is covered on the temperature sensor, which protects the temperature sensor and can effectively prevent splashing fuel from spraying onto the temperature sensor, thereby improving the overall operating stability of the equipment.

[0004] Although the above patent can improve the overall operating stability of the device, the above temperature sensor protective cover still has the following problems: most temperature sensors are directly fixed on the device casing, so when the temperature sensor is damaged and needs to be cleaned, it is not convenient to disassemble and install the temperature sensor.

[0005] In view of the above problems, a protection device for a temperature sensor is proposed. Utility Model Content

[0006] The utility model aims to provide a protective device for a temperature sensor, which solves the problem that most temperature sensors in the background technology are directly fixed on the device housing, so that when the temperature sensor is damaged and needs to be cleaned, it is inconvenient to disassemble and install the temperature sensor.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protection device for a temperature sensor, comprising a lower cover box, an upper cover box is arranged on the upper end of the lower cover box, the lower cover box and the upper cover box are rotatably connected by a hinge, an arch frame is arranged inside the upper cover box and the lower cover box, a motor is fixedly connected to the inner wall of the front end of the arch frame, the output end of the motor is fixedly connected to a driving gear, a two-way threaded rod is rotatably connected to the front end of the arch frame, a driven gear is fixedly connected to the outer ring of the middle end of the two-way threaded rod, and the driven gear is meshed with the driving gear, a nut pair is threadedly connected to the left and right sides of the two-way threaded rod, a limit rod is penetrated through and slidably connected to the nut pair, and the limit rod is fixedly connected to the arch frame, a splint is fixedly connected to the front end of the nut pair, and springs with uniform distribution are fixedly connected to the opposite sides of the splint, and the other end of the spring is fixedly connected to a telescopic rod, a transparent glass is penetrated through and fixedly connected to the top of the upper cover box, and a protection component is arranged inside the lower cover box.

[0008] By adopting the above technical solution, the nut pair is moved so that the clamp clamps the object, and the internal situation can be observed through the transparent glass at the upper end.

[0009] As a further description of the above technical solution: the protection component includes a sliding rod, which is fixedly connected to the inner walls at the front and rear ends of the lower cover box, and the tops of the left and right sides of the sliding rod are fixedly connected to dampers, the tops of the dampers are fixedly connected to a supporting plate, and the supporting plate is fixedly connected to the arch frame, the bottoms of the supporting plates are fixedly connected to T-blocks, and the bottoms of the T-blocks are rotatably connected to diagonal rods.

[0010] By adopting the above technical solution, the temperature sensor is protected by buffering through the dampers on both sides.

[0011] As a further description of the above technical solution: the right side of the front end of the lower cover box and the left side of the front end of the upper cover box are both fixedly connected with a protection frame, and the inner walls on both sides of the left and right sides of the protection frame are provided with sliding grooves.

[0012] By adopting the above technical solution, the internal temperature sensor is protected by the protection frame.

[0013] As a further description of the above technical solution: a sliding block is slidably connected to the inner wall of the slide groove, and a baffle is fixedly connected between the sliding blocks.

[0014] By adopting the above technical solution, the baffle is taken out through the slide groove and the slider, and the objects inside the baffle are replaced.

[0015] As a further description of the above technical solution: a sponge pad is arranged at the front end of the baffle, and the sponge pad is fixedly connected to the protection frame, and a drainage groove is opened at the bottom of the protection frame.

[0016] By adopting the above technical solution, the water generated by the sponge pad is discharged through the drain groove.

[0017] As a further description of the above technical solution: a sliding block is rotatably connected to the bottom of the inclined rod, and the sliding block is slidably connected to the sliding rod.

[0018] By adopting the above technical solution, the sliding block is driven to move by the inclined rod.

[0019] As a further description of the above technical solution: the outer ring of the sliding rod is provided with a return spring, and the left and right sides of the return spring are fixedly connected to the sliding block.

[0020] By adopting the above technical solution, the return spring is squeezed so that the sliding block slides back and forth.

[0021] As a further description of the above technical solution: limit blocks are arranged on both sides of the left and right sides of the sliding block, and the limit blocks are fixedly connected to the sliding rod.

[0022] By adopting the above technical solution, the sliding block is slid by the limiting block.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a protective device for a temperature sensor. First, a motor drives a driving gear to rotate, so that a driven gear and a bidirectional threaded rod rotate. The rotation of the bidirectional threaded rod drives a nut pair to move, so that a clamping plate at the front end of the nut pair moves. The temperature sensor is flexibly clamped by a spring inside the clamping plate and a telescopic rod. Temperature sensors of different sizes and models can be quickly installed and disassembled, so that the temperature sensor can be quickly disassembled, replaced and cleaned when it is damaged and cleaned later.

[0025] 2. The utility model provides a protection device for a temperature sensor, which presses down the bearing plate so that the T-blocks on both sides move downward, so that the inclined rod rotates, and the sliding block slides on the outer wall of the sliding rod and approaches the middle, thereby squeezing the reset spring for buffering. The temperature sensor is protected by the protection frame, sponge pad and baffle to increase its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 This is a schematic diagram of the overall rear end structure of the utility model;

[0028] Figure 3 This is a schematic diagram of the explosion structure of the protection frame of the utility model;

[0029] Figure 4 It is a schematic cross-sectional structure diagram of the lower cover box of the utility model;

[0030] Figure 5 It is a structural schematic diagram of the spring of the utility model.

[0031] In the figure: 1. lower cover box; 2. upper cover box; 3. transparent glass; 4. protection frame; 5. hinge; 6. slide groove; 7. sponge pad; 8. slider; 9. baffle; 10. drain groove; 11. slide rod; 12. damper; 13. limit block; 14. load-bearing plate; 15. sliding block; 16. inclined rod; 17. T-block; 18. reset spring; 19. arch frame; 20. motor; 21. driving gear; 22. two-way threaded rod; 23. driven gear; 24. nut pair; 25. splint; 26. spring; 27. telescopic rod; 28. limit rod. DETAILED DESCRIPTION

[0032] The following will refer to 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 of 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.

[0033] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.

[0034] Reference Figure 1 The utility model is a protection device for a temperature sensor, comprising a lower cover box 1, an upper cover box 2 is arranged on the upper end of the lower cover box 1, the lower cover box 1 and the upper cover box 2 are rotatably connected by a hinge 5, there are magnets inside the lower cover box 1 and the upper cover box 2, the two are adsorbed to protect the temperature sensor, and the upper cover box 2 is rotated by the hinge 5.

[0035] Reference Figure 5, an arch frame 19 is arranged inside the upper cover box 2 and the lower cover box 1, a motor 20 is fixedly connected to the inner wall of the front end of the arch frame 19, and a driving gear 21 is fixedly connected to the output end of the motor 20, and a bidirectional threaded rod 22 is rotatably connected to the front end of the arch frame 19, and a driven gear 23 is fixedly connected to the outer ring of the middle end of the bidirectional threaded rod 22, and the driven gear 23 is meshed with the driving gear 21, and a nut pair 24 is threadedly connected to the left and right sides of the bidirectional threaded rod 22, and a limit rod 28 is penetrated and slidably connected inside the nut pair 24, and the limit rod 28 is fixedly connected to the arch frame 19, and a clamping plate 25 is fixedly connected to the front end of the nut pair 24, and a uniformly distributed inner surface of the clamping plate 25 is fixedly connected. Spring 26, the other end of the spring 26 is fixedly connected with a telescopic rod 27, and a transparent glass 3 is passed through and fixedly connected to the top of the upper cover box 2. The internal temperature sensor can be observed through the transparent glass 3. The driving gear 21 is driven to rotate by the motor 20, and the driven gear 23 is driven to rotate by the driving gear 21, so that the driven gear 23 and the two-way threaded rod 22 are rotated, and the nut pair 24 is driven to move by the rotation of the two-way threaded rod 22. The nut pair 24 is guided by the limit rod 28, so that the clamping plate 25 at the front end of the nut pair 24 moves, and the temperature sensor is flexibly clamped by the spring 26 and the telescopic rod 27 inside the clamping plate 25, which will not damage the temperature sensor.

[0036] Reference Figure 3 and Figure 4The lower cover box 1 is provided with a protection component inside, and the protection component includes a slide bar 11, and the slide bar 11 is fixedly connected to the inner walls of the front and rear ends of the lower cover box 1, and the tops of the left and right sides of the slide bar 11 are fixedly connected with dampers 12, and the tops of the dampers 12 are fixedly connected with a bearing plate 14, and the bearing plate 14 is fixedly connected with the arch frame 19, and the bottoms of the bearing plates 14 are fixedly connected with T-blocks 17, and the bottoms of the T-blocks 17 are rotatably connected with oblique rods 16, and the right side of the front end of the lower cover box 1 and the left side of the front end of the upper cover box 2 are fixedly connected with A protective frame 4 is provided with a slide groove 6 on the inner wall on both sides of the left and right sides of the protective frame 4. A slider 8 is slidably connected to the inner wall of the slide groove 6. The baffle 9 is replaced by the slide groove 6 and the slider 8. The slider 8 is fixedly connected with the baffle 9. A sponge pad 7 is arranged at the front end of the baffle 9, and the sponge pad 7 is fixedly connected to the protective frame 4. A drain groove 10 is provided at the bottom of the protective frame 4. The protective frame 4 blocks external water vapor and impurities, and the internal sponge pad 7 absorbs water vapor and impurities. If more water vapor is absorbed, it will drip downward. The over-drain trough 10 discharges water, and the dripping water is blocked by the baffle 9. At the same time, there is a desiccant inside the baffle 9 to prevent water vapor from entering the interior and protect the temperature sensor. The bottom of the inclined rod 16 is rotatably connected with a sliding block 15, and the sliding block 15 is slidably connected to the sliding rod 11. The outer ring of the sliding rod 11 is provided with a reset spring 18, and the left and right sides of the reset spring 18 are fixedly connected to the sliding block 15. The left and right sides of the sliding block 15 are provided with limit blocks 13, and the limit blocks 13 are fixedly connected to the sliding rod 11. The sliding block 15 is limited by the limit blocks 13. The arch frame 19 is fixed to the bearing plate 14, and the bearing plate 14 is pressed downward, so that the T-blocks 17 on both sides move downward, so that the inclined rod 16 is rotated, so that the sliding block 15 at the bottom slides on the outer wall of the sliding rod 11 and approaches the middle, and the reset spring 18 is squeezed for buffering. The dampers 12 on both sides buffer the upper bearing plate 14, and the temperature sensor is protected to improve the service life.

[0037] Working principle: open the upper cover box 2, put the temperature sensor inside, connect the circuit of the temperature sensor, drive the driving gear 21 to rotate through the motor 20, drive the driven gear 23 to rotate through the driving gear 21, so that the driven gear 23 and the two-way threaded rod 22 rotate, and the nut pair 24 is moved by the rotation of the two-way threaded rod 22, and the nut pair 24 is guided by the limit rod 28 to move the clamping plate 25 at the front end of the nut pair 24, and the temperature sensor is flexibly clamped by the spring 26 and the telescopic rod 27 inside the clamping plate 25, which will not damage the temperature sensor, close the upper cover box 2, and block the external water vapor and impurities through the protective frame 4, and the internal sponge The pad 7 adsorbs water vapor and impurities. If too much water vapor is adsorbed, it drips downward and is discharged through the drain trough 10. The dripping water is blocked by the baffle 9. At the same time, there is a desiccant inside the baffle 9 to prevent water vapor from entering the inside and protect the temperature sensor. Shaking occurs during transportation. The arch frame 19 is fixed to the bearing plate 14, and the bearing plate 14 is pressed downward to make the T-blocks 17 on both sides move downward, so that the inclined rod 16 is rotated, and the sliding block 15 at the bottom slides on the outer wall of the sliding rod 11 and approaches the middle, squeezing the reset spring 18 for buffering. The dampers 12 on both sides buffer the upper bearing plate 14 to protect the temperature sensor and increase the service life.

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

[0039] Although the 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 the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A protective device for a temperature sensor, comprising a lower cover box (1), characterized in that: An upper cover box (2) is arranged at the upper end of the lower cover box (1), and the lower cover box (1) and the upper cover box (2) are rotatably connected via a hinge (5). An arch frame (19) is arranged inside the upper cover box (2) and the lower cover box (1), and a motor (20) is fixedly connected to the inner wall of the front end of the arch frame (19), and the output end of the motor (20) is fixedly connected to a driving gear (21). A bidirectional threaded rod (22) is rotatably connected to the front end of the arch frame (19), and a driven gear (23) is fixedly connected to the outer ring of the middle end of the bidirectional threaded rod (22), and the driven gear (23) is meshedly connected to the driving gear (21). The left and right sides of the bidirectional threaded rod (22) are threadedly connected with a nut pair (24), the nut pair (24) is penetrated and slidably connected with a limit rod (28), and the limit rod (28) is fixedly connected to the arch frame (19), the front end of the nut pair (24) is fixedly connected with a clamping plate (25), the opposite side of the clamping plate (25) is fixedly connected with a uniformly distributed spring (26), and the other end of the spring (26) is fixedly connected with a telescopic rod (27), the top of the upper cover box (2) is penetrated and fixedly connected with a transparent glass (3), and a protective component is arranged inside the lower cover box (1).

2. A protection device for a temperature sensor according to claim 1, characterized in that: The protection component comprises a slide bar (11), the slide bar (11) is fixedly connected to the inner walls at the front and rear ends of the lower cover box (1), the tops of the left and right sides of the slide bar (11) are fixedly connected to dampers (12), the tops of the dampers (12) are fixedly connected to a bearing plate (14), and the bearing plate (14) is fixedly connected to an arch frame (19), the bottoms of the bearing plates (14) are fixedly connected to T-shaped blocks (17), and the bottoms of the T-shaped blocks (17) are rotatably connected to an inclined rod (16).

3. A protection device for a temperature sensor according to claim 1, characterized in that: The right side of the front end of the lower cover box (1) and the left side of the front end of the upper cover box (2) are both fixedly connected with a protection frame (4), and the inner walls on both sides of the left and right sides of the protection frame (4) are provided with sliding grooves (6).

4. A protection device for a temperature sensor according to claim 3, characterized in that: The inner wall of the slide groove (6) is slidably connected with a slider (8), and a baffle (9) is fixedly connected between the sliders (8).

5. A protection device for a temperature sensor according to claim 4, characterized in that: A sponge pad (7) is provided at the front end of the baffle (9), and the sponge pad (7) is fixedly connected to the protection frame (4), and a drainage groove (10) is provided at the bottom of the protection frame (4).

6. A protection device for a temperature sensor according to claim 2, characterized in that: The bottom of the inclined rod (16) is rotatably connected to a sliding block (15), and the sliding block (15) is slidably connected to the sliding rod (11).

7. A protection device for a temperature sensor according to claim 2, characterized in that: The outer ring of the slide rod (11) is provided with a return spring (18), and the left and right sides of the return spring (18) are fixedly connected to the slide block (15).

8. A protection device for a temperature sensor according to claim 6, characterized in that: Limiting blocks (13) are arranged on both the left and right sides of the sliding block (15), and the limiting blocks (13) are fixedly connected to the sliding rod (11).

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