CN212391126U - Explosion-proof type temperature sensor - Google Patents
Explosion-proof type temperature sensor Download PDFInfo
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- CN212391126U CN212391126U CN202021482810.2U CN202021482810U CN212391126U CN 212391126 U CN212391126 U CN 212391126U CN 202021482810 U CN202021482810 U CN 202021482810U CN 212391126 U CN212391126 U CN 212391126U
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Abstract
The utility model relates to a temperature sensor technical field, specifically speaking relates to an explosion-proof type temperature sensor. It includes the shell, the inside chamber of placing of having seted up of shell, it is provided with the temperature sensor body to place the intracavity portion, the shell is close to the bottom and has seted up sealed chamber, the inside threaded connection of sealed chamber has sealing device, sealing device includes the solid fixed cylinder, gu the fixed cylinder top is provided with the sealing washer, the sealing washer is located between sealed intracavity wall and the solid fixed cylinder tip, the shell outer wall is provided with the lag, the lag includes endotheca and overcoat, the endotheca with be provided with the spring between the overcoat, the shell top is provided with the temperature sensing window, the temperature sensing head of temperature sensor body is located inside the temperature sensing window, the utility model discloses the leakproofness is good, can avoid explosive medium direct contact temperature sensor body, and can cushion the rigidity and strike the destruction to the temperature sensor body.
Description
Technical Field
The utility model relates to a temperature sensor technical field, specifically speaking relates to an explosion-proof type temperature sensor.
Background
The temperature sensor is a sensor which can sense temperature and convert the temperature into a usable output signal, the temperature sensor is a core part of a temperature measuring instrument, but the existing temperature sensor is poor in sealing performance, the surface of the temperature sensor is easy to explode due to the fact that a loading medium has dangerous characteristics of flammability, explosiveness and the like, the existing temperature sensor does not have a protection function, and when the surface of the temperature sensor is extruded or impacted, the surface of the temperature sensor does not have a buffering effect, and the temperature sensor is easy to damage.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof type temperature sensor to solve the problem that proposes among the above-mentioned background art.
In order to realize the above object, the utility model provides an explosion-proof type temperature sensor, which comprises an outer shell, the inside chamber of placing of having seted up of shell, it is provided with the temperature sensor body to place the intracavity portion, the shell is close to the bottom and has seted up sealed chamber, the inside threaded connection of sealed chamber has sealing device, sealing device includes the solid fixed cylinder, the solid fixed cylinder top is provided with the sealing washer, the sealing washer is located between sealed intracavity wall and the solid fixed cylinder tip, the shell outer wall is provided with the lag, the lag includes endotheca and overcoat, the endotheca with be provided with the spring between the overcoat.
As a further improvement of the technical scheme, a temperature sensing window is arranged at the top of the shell, and a temperature sensing head of the temperature sensor body is positioned inside the temperature sensing window.
As a further improvement of the technical scheme, the inner wall of the sealing cavity is provided with an internal thread, the outer wall of the fixed cylinder is provided with an external thread, and the internal thread is in threaded fit connection with the external thread.
As a further improvement of the technical scheme, the inner diameter of the fixed cylinder is the same as the outer diameter of the temperature sensor body, a bottom plate is arranged at the bottom of the fixed cylinder, and a plurality of anti-skid protrusions are arranged on the outer wall of the bottom plate.
As a further improvement of the technical scheme, the end part of the temperature sensor body is provided with a cable, and the end part of the cable penetrates through the bottom plate in a sealing mode.
As a further improvement of the technical scheme, the inner diameter of the inner sleeve is matched with the outer diameter of the outer shell.
Compared with the prior art, the beneficial effects of the utility model are that:
1. in the explosion-proof temperature sensor, the sealing device is arranged, the temperature sensor body is inserted into the fixed cylinder in a sealing mode, the end portion of the fixed cylinder is aligned to the sealing cavity to rotate, the external thread slides upwards along the internal thread, the sealing ring is located between the fixed cylinder and the sealing cavity in a sealing mode, the fixed cylinder and the sealing cavity are connected in a sealing mode, and the medium is prevented from entering the shell and contacting the temperature sensor body inside to cause explosion.
2. Among this explosion-proof type temperature sensor, through setting up the lag, when the temperature sensor body received striking rigidity impact, the shell carried out first step protection to the temperature sensor body, then overlapped at the shell outer wall through the endotheca, and rigidity impact makes the spring compression, cushions the rigidity under the effect of spring force and assaults the destruction to the shell, further protects the temperature sensor body.
Drawings
FIG. 1 is a schematic view of the entire structure of embodiment 1;
FIG. 2 is a side sectional view of the whole structure of embodiment 1;
FIG. 3 is an exploded view of the whole structure of embodiment 1;
FIG. 4 is a schematic structural view of the casing according to embodiment 1;
FIG. 5 is a schematic view of the structure of a sealing device according to embodiment 1;
fig. 6 is a schematic structural view of the protective cover of embodiment 1.
The various reference numbers in the figures mean:
1. a housing; 10. a temperature sensing window; 11. a placement chamber; 12. sealing the cavity; 120. an internal thread; 2. a sealing device; 21. a fixed cylinder; 210. an external thread; 22. a base plate; 220. anti-skid projections; 23. a seal ring; 3. a protective sleeve; 31. an inner sleeve; 32. a jacket; 33. a spring; 4. a temperature sensor body; 40. an electrical cable.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-6, the present embodiment provides an explosion-proof temperature sensor, including a housing 1, a placing cavity 11 is formed inside the housing 1, a temperature sensor body 4 is disposed inside the placing cavity 11, a sealing cavity 12 is formed near the bottom of the housing 1, a sealing device 2 is connected to the inside of the sealing cavity 12 through a thread, the sealing device 2 includes a fixed cylinder 21, a sealing ring 23 is disposed on the top of the fixed cylinder 21, the sealing ring 23 is located between the inner wall of the sealing cavity 12 and the end of the fixed cylinder 21, the temperature sensor body 4 is inserted into the fixed cylinder 21 in a sealing manner, the end of the fixed cylinder 21 is aligned to the sealing cavity 12 to rotate, the fixed cylinder 21 is connected inside the sealing cavity 12 through a thread, the sealing ring 23 is located between the fixed cylinder 21 and the sealing cavity 12 in a sealing manner, so that the fixed cylinder 21 and the sealing cavity 12 are connected.
Specifically, the inner wall of the sealed cavity 12 is provided with an internal thread 120, the outer wall of the fixed cylinder 21 is provided with an external thread 210, the internal thread 120 is in thread fit connection with the external thread 210, the fixed cylinder 21 is rotated, the external thread 210 on the outer wall of the fixed cylinder 21 slides along the internal thread 120 on the inner wall of the sealed cavity 12, and the fixed cylinder 21 and the sealed cavity 12 are conveniently in thread connection.
Further, the internal diameter of a fixed section of thick bamboo 21 is the same with 4 external diameters of temperature sensor body, and fixed section of thick bamboo 21 bottom is provided with bottom plate 22, and bottom plate 22 outer wall is provided with a plurality of non-slip raised 220, holds bottom plate 22 and rotates, through setting up non-slip raised 220, has increased the frictional force of hand with bottom plate 22 outer wall, avoids skidding the influence and rotates bottom plate 22.
In this embodiment, the top of the casing 1 is provided with a temperature sensing window 10, the temperature sensing head of the temperature sensor body 4 is located inside the temperature sensing window 10, the temperature sensor body 4 is a thermal resistance sensor, and the working principle of the thermal resistance sensor is as disclosed by those skilled in the art, and temperature measurement is performed based on the thermal effect of the resistor, that is, the resistance value of the resistor changes along with the change of temperature, so that the temperature can be measured as long as the resistance value of the thermal resistance is measured.
It should be noted that the end of the temperature sensor body 4 is provided with the cable 40, and the end of the cable 40 is sealed through the bottom plate 22, so that the cable 40 extends out of the interior of the housing 1, and the structural integrity is ensured.
Further, the outer wall of the shell 1 is provided with a protecting sleeve 3, the protecting sleeve 3 comprises an inner sleeve 31 and an outer sleeve 32, a spring 33 is arranged between the inner sleeve 31 and the outer sleeve 32, when the outer wall of the temperature sensor body 4 is impacted by impact rigid impact, the shell 1 protects the temperature sensor body 4 for the first time, then the outer wall of the shell 1 is sleeved with the inner sleeve 31, the rigid impact enables the spring 33 to be compressed, the rigid impact is buffered under the action of the elastic force of the spring 33, and the temperature sensor body 4 is further protected.
Specifically, the inner diameter of the inner sleeve 31 is matched with the outer diameter of the outer shell 1, wherein the inner sleeve 31 and the outer sleeve 32 are both made of elastic rubber, the wear resistance and the corrosion resistance are good, and the inner sleeve 31 can be sleeved on the outer wall of the outer shell 1 to effectively protect the outer wall of the outer shell 1.
When the explosion-proof temperature sensor is used specifically, the temperature sensor body 4 is inserted into the fixed cylinder 21 in a sealing manner, the end part of the fixed cylinder 21 is aligned with the sealing cavity 12 to rotate, the bottom plate 22 is held to rotate, the external thread 210 on the outer wall of the fixed cylinder 21 slides upwards along the internal thread 120 on the inner wall of the sealing cavity 12, the fixed cylinder 21 is in threaded connection with the inside of the sealing cavity 12, the sealing ring 23 is sealed between the fixed cylinder 21 and the sealing cavity 12, the fixed cylinder 21 and the sealing cavity 12 are connected and sealed, a medium is prevented from entering the shell 1 and contacting the temperature sensor body 4 to cause explosion, when the explosion-proof temperature sensor is disassembled, the bottom plate 22 only needs to be held to rotate, the external thread 210 on the outer wall of the fixed cylinder 21 slides downwards along the internal thread 120 on the inner wall of the sealing cavity;
the inner sleeve 31 is sleeved on the outer wall of the shell 1, the outer wall of the shell 1 is effectively protected, when the outer wall of the temperature sensor body 4 is impacted rigidly, the shell 1 is used for protecting the temperature sensor body 4 in the first step, then the inner sleeve 31 is sleeved on the outer wall of the shell 1, the rigid impact enables the spring 33 to be compressed, the rigid impact is buffered under the action of the elastic force of the spring 33 to damage the shell 1, and the temperature sensor body 4 is further protected.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. An explosion-proof type temperature sensor, includes shell (1), its characterized in that: the utility model discloses a temperature sensor, including shell (1), sealed chamber (12), sealing chamber (12) inside threaded connection have sealing device (2), sealing device (2) are including solid fixed cylinder (21), gu fixed cylinder (21) top is provided with sealing washer (23), sealing washer (23) are located between sealed chamber (12) inner wall and solid fixed cylinder (21) tip, shell (1) outer wall is provided with lag (3), lag (3) include endotheca (31) and overcoat (32), endotheca (31) with be provided with spring (33) between overcoat (32).
2. The explosion proof type temperature sensor according to claim 1, wherein: the temperature sensing device is characterized in that a temperature sensing window (10) is arranged at the top of the shell (1), and a temperature sensing head of the temperature sensor body (4) is located inside the temperature sensing window (10).
3. The explosion proof type temperature sensor according to claim 1, wherein: the inner wall of the sealing cavity (12) is provided with an internal thread (120), the outer wall of the fixed cylinder (21) is provided with an external thread (210), and the internal thread (120) is in threaded fit connection with the external thread (210).
4. The explosion proof type temperature sensor according to claim 1, wherein: the inner diameter of the fixed cylinder (21) is the same as the outer diameter of the temperature sensor body (4), a bottom plate (22) is arranged at the bottom of the fixed cylinder (21), and a plurality of anti-skid protrusions (220) are arranged on the outer wall of the bottom plate (22).
5. The explosion proof type temperature sensor according to claim 4, wherein: the end part of the temperature sensor body (4) is provided with a cable (40), and the end part of the cable (40) penetrates through the bottom plate (22) in a sealing mode.
6. The explosion proof type temperature sensor according to claim 1, wherein: the inner diameter of the inner sleeve (31) is matched with the outer diameter of the outer shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021482810.2U CN212391126U (en) | 2020-07-24 | 2020-07-24 | Explosion-proof type temperature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021482810.2U CN212391126U (en) | 2020-07-24 | 2020-07-24 | Explosion-proof type temperature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212391126U true CN212391126U (en) | 2021-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021482810.2U Active CN212391126U (en) | 2020-07-24 | 2020-07-24 | Explosion-proof type temperature sensor |
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| CN (1) | CN212391126U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566988A (en) * | 2021-06-21 | 2021-10-29 | 宝应安的电子技术有限公司 | Manufacturing process of multiple protection temperature sensor |
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2020
- 2020-07-24 CN CN202021482810.2U patent/CN212391126U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113566988A (en) * | 2021-06-21 | 2021-10-29 | 宝应安的电子技术有限公司 | Manufacturing process of multiple protection temperature sensor |
| CN113566988B (en) * | 2021-06-21 | 2024-04-19 | 宝应安的电子技术有限公司 | Manufacturing process of multi-protection temperature sensor |
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