CN211553110U - Temperature element explosion-proof locking device - Google Patents
Temperature element explosion-proof locking device Download PDFInfo
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- CN211553110U CN211553110U CN202020220211.7U CN202020220211U CN211553110U CN 211553110 U CN211553110 U CN 211553110U CN 202020220211 U CN202020220211 U CN 202020220211U CN 211553110 U CN211553110 U CN 211553110U
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Abstract
The utility model discloses an explosion-proof locking device for temperature elements, which comprises a threaded sleeve, an expansion spring, a locking sleeve and a threaded joint; a cavity is formed in the threaded sleeve, internal threads are arranged at one end of the threaded sleeve in the axial direction, and a baffle is arranged at the other end of the threaded sleeve; the telescopic spring is arranged between the threaded sleeve and the locking sleeve; at least 1 threaded hole is formed in the radial direction of the locking sleeve; and the two ends of the threaded joint in the axial direction are both provided with external threads, one end of the threaded joint is used for being connected with the threaded sleeve, and the other end of the threaded joint is used for being connected with a component to be measured in temperature. The utility model discloses an explosion-proof locking device of temperature element is a novel instrument, and in the in-service use process, obviously reduced armor temperature element's fault rate, improved armor temperature element's life, the device structure is comparatively simple simultaneously, the preparation is convenient, the installation is simple and easy, the practicality is strong, has higher spreading value.
Description
Technical Field
The utility model relates to an armor temperature element technical field, concretely relates to explosion-proof locking device of temperature element.
Background
For large-scale thermal power plants, sheathed thermocouples and thermal resistors are used as conventional temperature measuring elements and widely applied to various large thermodynamic systems, and have the advantages of high temperature resistance, quick thermal response time, firmness and durability. The installation of armor temperature component generally adopts screwed joint and cutting ferrule to cooperate, and screwed joint is used for connecting parts such as testee, pipeline, cylinder body, and cutting ferrule connects armor temperature component and screwed joint zonulae occludens to make armor temperature component fix on the part of being surveyed. The clamping sleeve joint generally comprises a clamping sleeve, a seamless steel pipe and a nut, and the clamping sleeve is automatically embedded into the seamless steel pipe after the nut is screwed, so that the armored temperature element is tightly connected with the clamping sleeve, and the fixing and sealing effects are achieved.
In actual production process, when armor temperature element measures high temperature component, the inside insulating filler of armor temperature can be heated the inflation, utilizes traditional cutting ferrule mode to fix armor temperature element and can lead to the unable inflation of armor temperature element flexible, and when the inflation volume is great, the inside insulating filler of armor temperature element will break through the stainless steel protection tube, takes place the phenomenon that armor temperature element bursts. The proportion of damage of the armored temperature element is very high under the conditions, normal monitoring of temperature signals of a thermodynamic system is influenced, and maintenance and replacement cost is greatly increased.
Based on the circumstances, the utility model provides an explosion-proof locking device of temperature element can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an explosion-proof locking device of temperature element. The utility model discloses an explosion-proof locking device of temperature element has advantages such as convenient assembling, simple structure, explosion-proof effectual, has higher spreading value.
The utility model discloses a following technical scheme realizes:
an explosion-proof locking device for a temperature element comprises a threaded sleeve, a telescopic spring, a locking sleeve and a threaded joint;
when the armored temperature element is used, the armored temperature element penetrates through the threaded sleeve, the telescopic spring, the locking sleeve and the threaded connector from top to bottom and penetrates out;
the threaded sleeve is internally provided with a cavity, one end of the threaded sleeve in the axial direction is provided with internal threads and is used for being connected with one end of the threaded joint, and the other end of the threaded sleeve is provided with a baffle;
the telescopic spring is arranged between the threaded sleeve and the locking sleeve, and is accommodated in the cavity of the threaded sleeve after being installed, one end of the telescopic spring is in contact with the baffle, and the other end of the telescopic spring is in contact with the locking sleeve;
at least 1 threaded hole is formed in the radial direction of the locking sleeve, and the threaded holes are used for being in threaded fit with corresponding locking screws; after being installed, the threaded sleeve is accommodated in the cavity of the threaded sleeve;
and the two ends of the threaded joint in the axial direction are both provided with external threads, one end of the threaded joint is used for being connected with the threaded sleeve, and the other end of the threaded joint is used for being connected with a component to be measured in temperature.
The temperature element (namely armored temperature element) explosion-proof locking device of the utility model comprises a threaded sleeve, a telescopic spring, a locking sleeve and a threaded joint; the armored temperature element is respectively inserted into the threaded sleeve, the telescopic spring, the locking sleeve and the threaded connector from top to bottom, the locking sleeve is locked with the armored temperature element through a plurality of locking nuts (locking screws), the spring is installed above the locking sleeve, and finally the threaded sleeve is connected and fastened with the threaded connector; when the temperature element is heated and expanded, the temperature element can have enough expansion allowance (the armored temperature element can have 0.5cm-1.5cm of expansion allowance) under the action of the expansion spring, so that the explosion-proof purpose is achieved.
The utility model discloses an explosion-proof locking device of temperature element has solved the problem that can't stretch out and draw back and lead to the component to burst after armor temperature element is heated, simple structure, and convenient to use is reliable, can reach normal fixed armor temperature element, can make the armor temperature element automatic flexible again.
The utility model discloses an explosion-proof locking device of temperature element is a novel instrument, and in the in-service use process, obviously reduced armor temperature element's fault rate, improved armor temperature element's life, the device structure is comparatively simple simultaneously, the preparation is convenient, the installation is simple and easy, the practicality is strong, has higher spreading value.
Preferably, the threaded sleeve is in a hexagonal nut shape as a whole.
Preferably, the locking sleeve is provided with 4 threaded holes in the radial direction, and the threaded holes are used for being in threaded fit with corresponding locking screws.
Preferably, the 4 threaded holes are distributed in an array in the circumferential direction of the locking sleeve.
Preferably, the upper part of the locking sleeve is circumferentially provided with a blocking piece, and the blocking piece is used for contacting with one end of the telescopic spring after being installed.
Preferably, the middle part of the threaded joint is provided with a boss in the shape of a hexagonal nut.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the temperature element (namely armored temperature element) explosion-proof locking device of the utility model comprises a threaded sleeve, a telescopic spring, a locking sleeve and a threaded joint; the armored temperature element is respectively inserted into the threaded sleeve, the telescopic spring, the locking sleeve and the threaded connector from top to bottom, the locking sleeve is locked with the armored temperature element through a plurality of locking nuts (locking screws), the spring is installed above the locking sleeve, and finally the threaded sleeve is connected and fastened with the threaded connector; when the temperature element is heated and expanded, the temperature element can have enough expansion allowance (the armored temperature element can have 0.5cm-1.5cm of expansion allowance) under the action of the expansion spring, so that the explosion-proof purpose is achieved.
The utility model discloses an explosion-proof locking device of temperature element has solved the problem that can't stretch out and draw back and lead to the component to burst after armor temperature element is heated, simple structure, and convenient to use is reliable, can reach normal fixed armor temperature element, can make the armor temperature element automatic flexible again.
The utility model discloses an explosion-proof locking device of temperature element is a novel instrument, and in the in-service use process, obviously reduced armor temperature element's fault rate, improved armor temperature element's life, the device structure is comparatively simple simultaneously, the preparation is convenient, the installation is simple and easy, the practicality is strong, has higher spreading value.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of a reference structure of the usage state of the present invention (for easy understanding, 4 parts of the threaded sleeve, the expansion spring, the locking sleeve and the threaded joint are not closed/assembled).
In the figure: 6-waterproof junction box; 61-electrical interface; 62-a wiring porcelain plate; 63-terminal block joint; 64-Cold clamp.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The utility model discloses in waterproof terminal box etc. if do not have the special explanation, all obtain from conventional commercial approach, or make with conventional method, its concrete structure, theory of operation and the control mode that may involve, spatial arrangement mode adopt the conventional selection in this field can, should not regard as the innovation point of the utility model to be in, to the technical staff in this field, can understand, the utility model discloses a do not do further specifically expand the detailing.
Example 1:
as shown in fig. 1 to 2, an explosion-proof locking device for a temperature element comprises a threaded sleeve 1, a telescopic spring 2, a locking sleeve 3 and a threaded joint 4; when in use, the armored temperature element 5 penetrates through the threaded sleeve 1, the telescopic spring 2, the locking sleeve 3 and the threaded connector 4 from top to bottom and penetrates out; a cavity is arranged in the threaded sleeve 1, internal threads are arranged at one end of the threaded sleeve in the axial direction and are used for being connected with one end of the threaded joint 4, and a baffle plate 11 is arranged at the other end of the threaded sleeve; the telescopic spring 2 is arranged between the threaded sleeve 1 and the locking sleeve 3, is accommodated in a cavity of the threaded sleeve 1 after being installed, and has one end contacted with the baffle 11 and the other end contacted with the locking sleeve 3; at least 1 threaded hole is formed in the radial direction of the locking sleeve 3, and the threaded holes are used for being in threaded fit with corresponding locking screws 31; after being installed, the threaded sleeve is accommodated in a cavity of the threaded sleeve 1; and external threads are arranged at two ends of the threaded connector 4 in the axial direction, one end of the threaded connector is used for being connected with the threaded sleeve 1, and the other end of the threaded connector is used for being connected with a component to be measured in temperature.
Example 2:
as shown in fig. 1 to 2, an explosion-proof locking device for a temperature element comprises a threaded sleeve 1, a telescopic spring 2, a locking sleeve 3 and a threaded joint 4;
when in use, the armored temperature element 5 penetrates through the threaded sleeve 1, the telescopic spring 2, the locking sleeve 3 and the threaded connector 4 from top to bottom and penetrates out;
a cavity is formed in the threaded sleeve 1, internal threads are arranged at one end of the threaded sleeve in the axial direction and are used for being connected with one end of the threaded joint 4, and a baffle plate 11 is arranged at the other end of the threaded sleeve;
the telescopic spring 2 is arranged between the threaded sleeve 1 and the locking sleeve 3, is accommodated in a cavity of the threaded sleeve 1 after being installed, and has one end contacted with the baffle 11 and the other end contacted with the locking sleeve 3;
at least 1 threaded hole is formed in the radial direction of the locking sleeve 3, and the threaded holes are used for being in threaded fit with corresponding locking screws 31; after being installed, the threaded sleeve is accommodated in a cavity of the threaded sleeve 1;
the two ends of the screwed joint 4 in the axial direction are both provided with external threads, one end of the screwed joint is used for being connected with the threaded sleeve 1, the other end of the screwed joint is used for being connected with a component with a measured temperature, such as a container filled with liquid with a temperature to be measured, by adopting threaded connection, when in necessary, a sealing washer can be added, and a good sealing effect is achieved.
The two ends of the threaded joint are both provided with external threads, the lower part of the threaded joint is used for fixing a component to be tested, and the upper part of the threaded joint is used for connecting a threaded sleeve. The locking sleeve is locked with the armored temperature element through a plurality of locking nuts, and the upper part of the locking sleeve supports the telescopic spring. The telescopic spring is arranged above the locking sleeve, so that the temperature element can have enough telescopic allowance. The threaded sleeve adopts internal threads and is connected and fastened with the threaded connector.
When the armored temperature element is heated to expand, the temperature element can be ensured to have the expansion allowance of 0.5cm-1.5cm by the action of the expansion spring, and the explosion-proof purpose is achieved.
Further, in another embodiment, the threaded sleeve 1 is in the form of a hexagonal nut as a whole.
This facilitates the mounting, dismounting, screwing/screwing.
Further, in another embodiment, the locking sleeve 3 is provided with 4 threaded holes in the radial direction, and the threaded holes are all used for being in threaded fit with the corresponding locking screws 31.
The locking sleeve is locked with the armored temperature element through four locking nuts, the armored temperature element is stressed more uniformly, the locking effect is better, the armored temperature element is not easy to damage, the locking nuts are mounted too much, the number is too small, and the locking effect is not good.
Further, in another embodiment, the 4 threaded holes are distributed in an array in the circumferential direction of the locking sleeve 3.
Therefore, the armored temperature element is stressed more uniformly, has better locking effect and is not easy to damage.
Further, in another embodiment, the locking sleeve 3 is circumferentially provided with a stop 32 at the upper portion, and the stop 32 is used for contacting with one end of the extension spring 2 after installation.
The position and the telescopic area of the telescopic spring 2 can be better defined by the arrangement of the baffle 32.
Further, in another embodiment, the middle of the threaded joint 4 is provided with a boss 41 in the shape of a hexagon nut.
This facilitates the mounting, dismounting, screwing/screwing.
It should be noted that:
armor type temperature element is the armor type temperature element that the field is commonly used, for example specifically, with thermocouple/thermal resistance silk, insulating material and metal protection sleeve three combination assembly back, a solid assembly that forms through tensile processing, insulating material and metal protection tube in the whole assembly are heated and are the inflation.
Whole insulating material and the metal protection pipe of armor type temperature element are heated and can expand, and the inflation is the axial mainly, radially also can produce little inflation, if temperature element can the axial (promptly the extending direction of armor type temperature element) direction extend, the volume grow of whole material, the power that radial expansion produced can be weakened because the axial is flexible, can play good explosion-proof effect.
According to the description and the drawings of the present invention, the person skilled in the art can easily make or use the anti-explosion locking device for temperature elements, and can produce the positive effects described in the present invention.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (6)
1. An explosion-proof locking device of temperature element which characterized in that: comprises a threaded sleeve (1), a telescopic spring (2), a locking sleeve (3) and a threaded joint (4);
when the temperature-resistant armored temperature element is used, the armored temperature element (5) penetrates through the threaded sleeve (1), the expansion spring (2), the locking sleeve (3) and the threaded connector (4) from top to bottom and penetrates out;
a cavity is formed in the threaded sleeve (1), internal threads are arranged at one end of the threaded sleeve in the axial direction and are used for being connected with one end of the threaded joint (4), and a baffle plate (11) is arranged at the other end of the threaded sleeve;
the telescopic spring (2) is arranged between the threaded sleeve (1) and the locking sleeve (3), and is accommodated in a cavity of the threaded sleeve (1) after being installed, one end of the telescopic spring is in contact with the baffle (11), and the other end of the telescopic spring is in contact with the locking sleeve (3);
at least 1 threaded hole is formed in the radial direction of the locking sleeve (3), and the threaded holes are used for being in threaded fit with corresponding locking screws (31); after being installed, the threaded sleeve is accommodated in a cavity of the threaded sleeve (1);
and external threads are arranged at two ends of the threaded connector (4) in the axial direction, one end of the threaded connector is connected with the threaded sleeve (1), and the other end of the threaded connector is connected with a component to be measured in temperature.
2. A temperature element explosion-proof locking device as claimed in claim 1, wherein: the whole threaded sleeve (1) is in a hexagonal nut shape.
3. A temperature element explosion-proof locking device as claimed in claim 1, wherein: and 4 threaded holes are formed in the radial direction of the locking sleeve (3), and are used for being in threaded fit with corresponding locking screws (31).
4. A temperature element explosion-proof locking device as claimed in claim 3, wherein: the 4 threaded holes are distributed in an array mode in the circumferential direction of the locking sleeve (3).
5. A temperature element explosion-proof locking device as claimed in claim 1, wherein: the upper portion of locking sleeve pipe (3) is provided with separation blade (32) circumferentially, and separation blade (32) are used for installing the back, with the one end contact of expanding spring (2).
6. A temperature element explosion-proof locking device as claimed in claim 1, wherein: and a boss (41) in a hexagonal nut shape is arranged in the middle of the threaded joint (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220211.7U CN211553110U (en) | 2020-02-27 | 2020-02-27 | Temperature element explosion-proof locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020220211.7U CN211553110U (en) | 2020-02-27 | 2020-02-27 | Temperature element explosion-proof locking device |
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| Publication Number | Publication Date |
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| CN211553110U true CN211553110U (en) | 2020-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020220211.7U Active CN211553110U (en) | 2020-02-27 | 2020-02-27 | Temperature element explosion-proof locking device |
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| CN (1) | CN211553110U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323139A (en) * | 2020-02-27 | 2020-06-23 | 浙江浙能嘉华发电有限公司 | Explosion-proof locking mechanism of temperature sensor component |
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2020
- 2020-02-27 CN CN202020220211.7U patent/CN211553110U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111323139A (en) * | 2020-02-27 | 2020-06-23 | 浙江浙能嘉华发电有限公司 | Explosion-proof locking mechanism of temperature sensor component |
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