CN207147656U - A kind of overtemperature warns bolt - Google Patents
A kind of overtemperature warns bolt Download PDFInfo
- Publication number
- CN207147656U CN207147656U CN201721199479.1U CN201721199479U CN207147656U CN 207147656 U CN207147656 U CN 207147656U CN 201721199479 U CN201721199479 U CN 201721199479U CN 207147656 U CN207147656 U CN 207147656U
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- terminal
- bolt
- temperature sensing
- glass ball
- sensing glass
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Abstract
It the utility model is related to a kind of overtemperature warning bolt, terminal, terminal cap, pull bar, compression spring and the prompt band being fixedly connected including screw rod, the temperature sensing glass ball for being fixed on screw tip, bottom with temperature sensing glass ball top, the terminal offers through hole in the closed cylindrical shape in top end opening, bottom on its bottom；The terminal cap covers to the opening on terminal top, and is fixedly connected by pull bar through through hole with temperature sensing glass ball；The compression spring is arranged in terminal, and its both ends connects/contacted with the bottom of terminal cap, terminal respectively；Inwall of the both ends of the prompt band respectively with terminal cap, terminal is connected.
Description
Technical field
The present invention relates to temperature monitoring technique field, and bolt is warned more particularly, to a kind of overtemperature.
Background technology
Power circuit is in actual motion, and splicing fitting junction is easily because bolt looseness, contact surface be dirty and cable
Tail pipe sealing lead loosely, the reason such as copper Al electrochemical corrosion cause resistance to become big, when big load, high current, easily make
It is too high into local temperature and trigger various failures.And failure caused by splicing fitting often can not be self-healing, it is necessary to put into
Substantial amounts of manpower and materials are rushed to repair, and power network is affected greatly to society.
Therefore pole is necessary that power circuit splicing fitting is carried out regularly to safeguard monitoring, and existing main method is docking
Continuous gold utensil carries out regularly infrared measurement of temperature, to search heating accident.Operations staff periodically carries out thermometric by O＆M strategy to circuit
Detection, particularly hit new peak in line load and carry out thermometric with night.But infrared measurement of temperature is protected from environmental larger, it is impossible to
The bad environments such as dust, smog, steam region is carried out, and its measurement accuracy to smooth metal surface is not high.
The content of the invention
The present invention for solve prior art when being monitored to splicing fitting it is existing it is easy it is affected by environment, to continuing
The not high technological deficiency of gold utensil measurement accuracy, there is provided a kind of overtemperature warns bolt.
To realize above goal of the invention, the technical scheme of use is：
A kind of overtemperature warns bolt, including screw rod, the temperature sensing glass ball for being fixed on screw tip, bottom and temperature sensing glass ball
Terminal, terminal cap, pull bar, compression spring and the prompt band that top is fixedly connected, the terminal are closed in top end opening, bottom
Cylindrical shape, through hole is offered on its bottom；The terminal cap covers to the opening on terminal top, and is passed through and led to by pull bar
Hole is fixedly connected with temperature sensing glass ball；The compression spring is arranged in terminal, its both ends respectively with terminal cap, the bottom of terminal
Connection/contact；Inwall of the both ends of the prompt band respectively with terminal cap, terminal is connected.
Bolt has obtained extensive reference in splicing fitting, therefore on the basic linkage function of bolt, fastening function
Increase overtemperature alarm function, effectively the temperature of splicing fitting can be monitored, and in overtemperature, remind operations staff.
Use of the bolt provided by the invention in terms of connection, fastening has no difference with common bolt, now carries out overtemperature to it emphatically
The principle of warning is introduced：
When on splicing fitting, its screw rod is, therefore temperature-sensitive screw rod on close-connected with splicing fitting for bolt use
Glass marble can perceive the temperature of splicing fitting, when the temperature of splicing fitting is higher than the early warning temperature of temperature sensing glass ball, temperature-sensitive
Glass marble crack damage, due under normality compression spring in compression contraction state, temperature sensing glass ball crack damage post-tensioning
Bar can not provide the power for maintaining compression spring compression contraction state to terminal cap, and now terminal cap is removed, and no longer terminal is opened
Mouth is covered, and be will be prompted to band and pulled out out of terminal.When practical application, whether technical staff need to only observe prompt band
Pulled out from terminal, you can determine whether splicing fitting exceeds early warning temperature.
Compared with prior art, the beneficial effects of the invention are as follows：
Warning bolt provided by the invention is perceived by temperature sensing glass ball to the temperature of splicing fitting, in splicing fitting
Temperature when being higher than early warning temperature, temperature sensing glass ball crack damage, now draw prompt band by the control of corresponding mechanical structure
Go out, you can the temperature of prompting operations staff's splicing fitting exceeds early warning temperature.Alarming device provided by the invention has not by ring
The advantages of border influences, measurement accuracy is high.
Brief description of the drawings
Fig. 1 is the structural representation that temperature sensing glass ball ruptures front bolt.
Fig. 2 is the structural representation that temperature sensing glass ball ruptures rear bolt.
Fig. 3 is the top view of bolt.
Embodiment
Accompanying drawing being given for example only property explanation, it is impossible to be interpreted as the limitation to this patent；
Below in conjunction with drawings and examples, the present invention is further elaborated.
Embodiment 1
As shown in Figure 1, 2, 3, a kind of overtemperature warning bolt, including screw rod 1, the temperature sensing glass ball for being fixed on the top of screw rod 1
2nd, terminal 3, terminal cap 4, pull bar 5, compression spring 6 and the prompt band 7 that bottom is fixedly connected with the top of temperature sensing glass ball 2, it is described
Offer external screw thread 8 on screw rod 1, the terminal 3 offers through hole in the closed cylindrical shape in top end opening, bottom on its bottom；
The terminal cap 4 covers to the opening on the top of terminal 3, and is fixed and connected with temperature sensing glass ball 2 through through hole by pull bar 5
Connect；The compression spring 6 is arranged in terminal 3, and its both ends connects/contacted with the bottom of terminal cap 4, terminal 3 respectively；It is described to carry
Show that the both ends of band 7 are connected by trip bolt 10 with the inwall of terminal cap 4, terminal 3 respectively.
Wherein, the screw rod 1 and the integrated setting of terminal 3, it is empty to offer receiving between the top of screw rod 1 and the bottom of terminal 3
Chamber, the temperature sensing glass ball 2 are arranged in accommodating cavity, and temperature sensing glass ball 2 is connected by pull bar 5 through through hole with terminal cap 4.
The side of the accommodating cavity offers the perforation for being used for installing temperature sensing glass ball 2, after installing temperature sensing glass ball 2, passes through
High temperature resistant sealing 9 blocks to perforation.
In the present embodiment, the prompt band 7 is colored ribbon.The diameter of the compression spring 6 is equal with the internal diameter of terminal 3.
Bolt has obtained extensive reference in splicing fitting, therefore on the basic linkage function of bolt, fastening function
Increase overtemperature alarm function, effectively the temperature of splicing fitting can be monitored, and in overtemperature, remind operations staff.
Use of the bolt provided by the invention in terms of connection, fastening has no difference with common bolt, now carries out overtemperature to it emphatically
The principle of warning is introduced：
When on splicing fitting, its screw rod 1 is, therefore sense screw rod 1 on close-connected with splicing fitting for bolt use
Warm glass marble 2 can perceive the temperature of splicing fitting, when the temperature of splicing fitting is higher than the early warning temperature of temperature sensing glass ball 2,
The crack damage of temperature sensing glass ball 2, because compression spring 6 is to be in compression contraction state under normality, the rupture damage of temperature sensing glass ball 2
Bad back stay 5 can not give terminal cap 4 to provide the power for maintaining the compression contraction state of compression spring 6, and now terminal cap 4 removes, no longer
The opening of terminal 3 is covered, and will be prompted to band 7 and pulled out out of terminal 3.When practical application, technical staff only needs
Whether observation prompt band 7 is pulled out from terminal 3, you can determines whether splicing fitting exceeds early warning temperature.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.It is all this
All any modification, equivalent and improvement made within the spirit and principle of invention etc., should be included in the claims in the present invention
Protection domain within.
Claims (7)
1. a kind of overtemperature warns bolt, it is characterised in that：Including screw rod, the temperature sensing glass ball for being fixed on screw tip, bottom with
Terminal, terminal cap, pull bar, compression spring and the prompt band that temperature sensing glass ball top is fixedly connected, the terminal in top end opening,
The closed cylindrical shape in bottom, through hole is offered on its bottom；The terminal cap covers to the opening on terminal top, and passes through
Pull bar is fixedly connected through through hole with temperature sensing glass ball；The compression spring is arranged in terminal, its both ends respectively with terminal cap,
Bottom connection/contact of terminal；Inwall of the both ends of the prompt band respectively with terminal cap, terminal is connected.
2. overtemperature according to claim 1 warns bolt, it is characterised in that：The screw rod and terminal integrated setting, spiral shell
Accommodating cavity is offered between bar top and terminal bottom, the temperature sensing glass ball is arranged in accommodating cavity, temperature sensing glass ball
It is connected by pull bar through through hole with terminal cap.
3. overtemperature according to claim 2 warns bolt, it is characterised in that：The side of the accommodating cavity, which offers, to be used for
The perforation of temperature sensing glass ball is installed, after installing temperature sensing glass ball, perforation blocked by high temperature resistant sealing.
4. overtemperature according to claim 1 warns bolt, it is characterised in that：External screw thread is offered on the screw rod.
5. overtemperature according to claim 1 warns bolt, it is characterised in that：The both ends of the prompt band pass through fastening respectively
Screw is fixed on the inwall of terminal cap and terminal.
6. overtemperature according to claim 5 warns bolt, it is characterised in that：The prompt band is colored ribbon.
7. the overtemperature warning bolt according to any one of claim 1~6, it is characterised in that：The diameter of the compression spring
It is equal with the internal diameter of terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721199479.1U CN207147656U (en) | 2017-09-19 | 2017-09-19 | A kind of overtemperature warns bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721199479.1U CN207147656U (en) | 2017-09-19 | 2017-09-19 | A kind of overtemperature warns bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207147656U true CN207147656U (en) | 2018-03-27 |
Family
ID=61668117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721199479.1U Active CN207147656U (en) | 2017-09-19 | 2017-09-19 | A kind of overtemperature warns bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207147656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462340A (en) * | 2017-09-19 | 2017-12-12 | 广东电网有限责任公司中山供电局 | A kind of overtemperature warns bolt |
-
2017
- 2017-09-19 CN CN201721199479.1U patent/CN207147656U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462340A (en) * | 2017-09-19 | 2017-12-12 | 广东电网有限责任公司中山供电局 | A kind of overtemperature warns bolt |
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