Thermal resistor elastic protection device

Abstract

The utility model relates to the field of protection devices, in particular to a thermal resistor elastic protection device, which comprises an outer protection shell, a quick plug base, a thermal resistor tube and an inner protection shell, according to the utility model, the internal protective shell used for providing buffer elastic protection is embedded in the external protective shell, the thermal resistance tube is embedded in the internal protective shell, the bottom end of the external protective shell is provided with the quick-plug base used for connection and fixation, and the multiple groups of damping plates are annularly arranged outside the internal protective shell. A plurality of groups of damping blocks are arranged between each group of damping plates and the internal protective shell, damping springs are arranged in the damping blocks, the damping springs in the damping blocks deform immediately through stress of the damping plates, impact kinetic energy is converted into elastic potential energy, impact force transmitted to the internal protective shell and an internal thermal resistance tube is effectively reduced, and the service life of the thermal resistance tube is prolonged. The waterproof layer and the sealing strip on the internal protective shell act together to prevent moisture and dust from entering the internal protective shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of protection device, especially thermal resistance elastic protection device. BACKGROUND

[0002] Thermal resistance is a kind of element that measures temperature by using the characteristic that resistance changes with temperature, and thermal resistance elastic protection device aims to provide multiple protection functions for thermal resistance to ensure its stable and reliable operation in various working environments, and thermal resistance elastic protection device is a device specially designed to protect thermal resistance element.

[0003] In the field of current thermal resistance protection device, most of the existing protection devices generally adopt hard protection, and hard protection often lacks elastic buffering capacity when dealing with impact and vibration, which may not effectively absorb and disperse energy, thereby limiting the protection effect.

[0004] Therefore, in view of the above problems in the field of thermal resistance protection device, most of the existing protection devices adopt hard protection, which lacks elastic buffering capacity when dealing with impact and vibration, and the protection effect is limited, a thermal resistance elastic protection device can be designed to reduce the impact force transmitted to the internal protection shell and the internal thermal resistance tube by deforming the shock-absorbing spring in the shock-absorbing block under the stress of the shock-absorbing plate. SUMMARY

[0005] In order to overcome the problem that most of the existing protection devices in the field of thermal resistance protection device adopt hard protection, which lacks elastic buffering capacity when dealing with impact and vibration, and the protection effect is limited.

[0006] The technical scheme of the utility model is: thermal resistance elastic protection device, including the outer protection shell, the quick plug base, the thermal resistance tube and the internal protection shell, the internal protection shell is embedded and installed in the outer protection shell for providing buffer elastic protection, the thermal resistance tube is embedded in the internal protection shell, the quick plug base is installed at the bottom of the outer protection shell for connection and fixation, a plurality of shock-absorbing plates are arranged in the annular outside of the internal protection shell, a plurality of shock-absorbing blocks are arranged between each shock-absorbing plate and the internal protection shell, and shock-absorbing springs are arranged in the shock-absorbing blocks.

[0007] Preferably, in normal operation, the outer protection shell plays the role of external protection, the thermal resistance tube is used to realize the specific resistance heating function, when subjected to external impact or vibration, the internal protection shell first bears part of the force, the shock-absorbing plate arranged in the annular outside of the internal protection shell will be in contact with the impact force, at the same time, the shock-absorbing spring in the shock-absorbing block between the shock-absorbing plate and the internal protection shell will be compressed, thereby absorbing and buffering the impact force and reducing the influence on the internal thermal resistance tube, the quick plug base at the bottom of the outer protection shell is used for quick connection and fixation with external equipment, to ensure the stability of the whole device during use.

[0008] As preferred, the top end of the inner protective shell is provided with a mounting block, and the surface of the outer protective shell is coated with an anti-corrosion coating.

[0009] As preferred, the bottom end of the quick plug base is symmetrically provided with two groups of quick plug pieces, and a quick plug hole is formed in the center of each group of quick plug pieces.

[0010] As preferred, the top end of the thermal resistance tube is provided with a junction box, and the top end of the junction box is sleeved with a protective cover.

[0011] As preferred, the junction box is externally connected with a junction tube, and the junction tube is internally provided with a fastening nut.

[0012] As preferred, the thermal resistance tube is externally sleeved with a fixing nut.

[0013] As preferred, a sealing strip is arranged between the inner protective shell and the mounting block, and the outer surface of the inner protective shell is coated with a waterproof layer.

[0014] The beneficial effects of the present application are as follows: when the device is subjected to external impact or vibration, the shock-absorbing plate is first stressed, the shock-absorbing spring in the shock-absorbing block is deformed immediately, the impact kinetic energy is converted into elastic potential energy, and the impact force transmitted to the inner protective shell and the inner thermal resistance tube is effectively reduced. Compared with the existing hard protection device, this elastic buffer structure can better protect the thermal resistance tube and significantly reduce the risk of damage caused by impact and vibration. In a vibrating mechanical environment, the failure rate of the thermal resistance tube using this elastic protection device is much lower than that of the thermal resistance tube using a traditional hard protection device. The anti-corrosion coating on the outer protective shell effectively prevents the erosion of external corrosive substances such as moisture, acid and alkali, prolonging the service life of the outer protective shell. The waterproof layer and the sealing strip on the inner protective shell work together to prevent moisture and dust from entering the inner protective shell. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The overall structure of the thermal resistance elastic protection device of the present application is shown.

[0016] Fig. 2 The quick plug base structure of the thermal resistance elastic protection device of the present application is shown.

[0017] Fig. 3 The thermal resistance tube structure of the thermal resistance elastic protection device of the present application is shown.

[0018] Fig. 4 The inner protective shell structure of the thermal resistance elastic protection device of the present application is shown.

[0019] Explanation of reference signs: 1, outer protective shell; 2, quick plug base; 3, thermal resistance tube; 4, inner protective shell; 201, quick plug piece; 202, quick plug hole; 301, fixing nut; 302, wiring tube; 303, protective cover; 304, junction box; 305, fastening nut; 401, shock absorbing plate; 402, shock absorbing block; 403, mounting block. DETAILED DESCRIPTION

[0020] The utility model will be further explained in connection with the drawings and examples.

[0021] Please refer to Figs. 1-4 In the embodiment, the thermal resistance elastic protection device comprises an outer protective shell 1, a quick plug base 2, a thermal resistance tube 3 and an inner protective shell 4; the inner protective shell 4 for providing buffer elastic protection is embedded and installed in the outer protective shell 1, the thermal resistance tube 3 is embedded in the inner protective shell 4, the quick plug base 2 for connection and fixation is installed at the bottom end of the outer protective shell 1, a plurality of shock absorbing plates 401 are arranged in the annular shape outside the inner protective shell 4, a plurality of shock absorbing blocks 402 are arranged between each shock absorbing plate 401 and the inner protective shell 4, shock absorbing springs are arranged in the shock absorbing blocks 402; in normal operation, the outer protective shell 1 plays a role of external protection, the thermal resistance tube 3 is used to realize the specific resistance heating function; when impacted or vibrated by external force, the inner protective shell 4 first bears part of the force, the shock absorbing plate 401 arranged in the annular shape outside the inner protective shell 4 contacts the impact force, at the same time, the shock absorbing spring in the shock absorbing block 402 between the shock absorbing plate 401 and the inner protective shell 4 is compressed, thereby absorbing and buffering the impact force and reducing the influence on the inner thermal resistance tube 3; the quick plug base 2 at the bottom end of the outer protective shell 1 is used to quickly connect and fix with external equipment, ensuring the stability of the whole device during use.

[0022] Please refer to Figs. 1-2 In the embodiment, the mounting block 403 is installed at the top end of the inner protective shell 4, the outer protective shell 1 is coated with an anti-corrosion coating, the mounting block 403 can provide accurate positioning for the connection of the thermal resistance tube 3 and other equipment or components; in the installation process, the worker can quickly align and connect the thermal resistance tube 3 and the matching equipment through the pre-set hole, clamping groove and other structures on the mounting block 403, improve the installation efficiency, reduce the measurement error or equipment failure caused by installation deviation; two groups of quick plug pieces 201 are symmetrically installed at the bottom end of the quick plug base 2, the quick plug holes 202 are opened at the center of the two groups of quick plug pieces 201; the two groups of symmetrically installed quick plug pieces 201 can provide clear visual and operation guide for the operator during installation; when the thermal resistance elastic protection device needs to be installed at the target position, the worker can quickly align the quick plug pieces 201 with the corresponding installation structure, through the symmetrical layout of the quick plug pieces 201, the horizontal and vertical preliminary positioning of the device can be quickly realized, greatly shortening the positioning time in the installation process.

[0023] Referring to Figs. 3-4 In the embodiment, the terminal box 304 is arranged at the top end of the thermal resistance tube 3, and a protective cover 303 is arranged at the top end of the terminal box 304. The terminal box 304 provides a closed space for internal circuit connection of the thermal resistance tube 3. The wires inside the thermal resistance tube 3 are connected and fixed in the terminal box 304. The terminal post and wire slot in the terminal box 304 can orderly arrange and firmly fix the wires, avoid the wires from loosening and falling off due to vibration and shaking during the operation of the device, ensure the stability of the connection between the thermal resistance tube 3 and the external circuit, and further ensure the accuracy of the thermal resistance measurement data transmission. The terminal pipe 302 is arranged outside the terminal box 304. The fastening nut 305 is arranged inside the terminal pipe 302. The terminal pipe 302 provides a clear channel for the external wires to access the terminal box 304. The terminal pipe 302 can guide the wires to enter the terminal box 304 in an orderly manner, and avoid the wires from being randomly wound around the device, thereby reducing the risk of signal interference caused by line disorder.

[0024] Referring to Figs. 1-4 In the embodiment, the fixing nut 301 is arranged outside the thermal resistance tube 3. The fixing nut 301 can be adapted to various common installation methods and installation bases. The sealing strip is arranged between the internal protective shell 4 and the mounting block 403. The waterproof layer is coated outside the internal protective shell 4. The waterproof layer can effectively prevent water from directly contacting the internal protective shell 4, prevent water from penetrating into the internal protective shell 4, and further protect the thermal resistance tube 3 and the related circuit from being eroded by water. The sealing strip arranged between the internal protective shell 4 and the mounting block 403 further enhances the waterproof effect.

[0025] When working, the outer protective shell 1 first provides the outermost protection. Through the quick plug base 2 at the bottom end of the outer protective shell 1, the device can be quickly connected and fixed with the external equipment by using the quick plug holes 202 on the two groups of quick plug pieces 201. The thermal resistance tube 3 embedded in the internal protective shell 4 starts to work and generates heat or performs resistance-related functions. The terminal box 304 at the top end of the thermal resistance tube 3 is used to connect the external circuit. The fastening nut 305 inside the terminal pipe 302 ensures the stability of the connection. The protective cover 303 protects the terminal box 304. When the device is impacted or vibrated from the outside, the shock-absorbing plate 401 arranged outside the internal protective shell 4 first contacts the impact force. The shock-absorbing spring in the shock-absorbing block 402 between the shock-absorbing plate 401 and the internal protective shell 4 is compressed to absorb and buffer the vibration energy, thereby providing elastic protection for the internal thermal resistance tube 3. The mounting block 403 at the top end of the internal protective shell 4 ensures the stability of the installation of the internal protective shell 4. The sealing strip between the internal protective shell 4 and the mounting block 403 enhances the sealing performance. The waterproof layer coated outside the internal protective shell 4 prevents water from entering. The anticorrosive coating coated on the surface of the outer protective shell 1 protects the outer protective shell 1 from corrosion.

[0026] Through the above steps, in normal operation, the outer protective shell 1 plays a role in external protection, and the thermal resistance tube 3 is used to realize the specific resistance heating function. When impacted or vibrated by the outside, the inner protective shell 4 first bears part of the force, the shock-absorbing plate 401 arranged annularly outside the inner protective shell 4 contacts the impact force, at the same time, the shock-absorbing spring inside the shock-absorbing block 402 between the shock-absorbing plate 401 and the inner protective shell 4 is compressed, thereby absorbing and buffering the impact force, reducing the influence on the inner thermal resistance tube 3. The quick plug-in base 2 at the bottom end of the outer protective shell 1 is used for quick connection and fixation with external equipment, ensuring the stability of the whole device during use.

Claims

1. A thermal resistance elastic protection device, comprising an outer protective shell (1); characterized in that: It also includes a quick-connect base (2), a thermal resistance tube (3) and an inner protective shell (4); the outer protective shell (1) has an inner protective shell (4) embedded inside to provide buffer elastic protection, the inner protective shell (4) has a thermal resistance tube (3) embedded inside, the bottom of the outer protective shell (1) has a quick-connect base (2) for connection and fixation, the outer protective shell (1) has multiple sets of shock-absorbing plates (401) arranged in a ring on the outside of the inner protective shell (4), and multiple sets of shock-absorbing blocks (402) are arranged between each set of shock-absorbing plates (401) and the inner protective shell (4), and each shock-absorbing block (402) has a shock-absorbing spring inside.

2. The thermal resistance elastic protection device according to claim 1, characterized in that: An mounting block (403) is installed on the top of the inner protective shell (4), and an anti-corrosion coating is applied to the surface of the outer protective shell (1).

3. The thermal resistance elastic protection device according to claim 1, characterized in that: The quick-connect base (2) has two sets of quick-connect plates (201) symmetrically installed at the bottom, and quick-connect holes (202) are opened through the center of both sets of quick-connect plates (201).

4. The thermal resistance elastic protection device according to claim 1, characterized in that: A junction box (304) is installed at the top of the resistance thermometer tube (3), and a protective cover (303) is fitted on the top of the junction box (304).

5. The thermal resistance elastic protection device according to claim 4, characterized in that: The junction box (304) is externally connected to a wiring pipe (302), and a fastening nut (305) is installed inside the wiring pipe (302).

6. The thermal resistance elastic protection device according to claim 1, characterized in that: A fixing nut (301) is fitted on the outside of the resistance tube (3).

7. The thermal resistance elastic protection device according to claim 2, characterized in that: A sealing strip is provided between the inner protective shell (4) and the mounting block (403), and a waterproof layer is applied to the outside of the inner protective shell (4).

Images