CN109084064A - Fusible plug - Google Patents
Fusible plug Download PDFInfo
- Publication number
- CN109084064A CN109084064A CN201811268788.9A CN201811268788A CN109084064A CN 109084064 A CN109084064 A CN 109084064A CN 201811268788 A CN201811268788 A CN 201811268788A CN 109084064 A CN109084064 A CN 109084064A
- Authority
- CN
- China
- Prior art keywords
- heat carrier
- fusible
- thermally conductive
- cock body
- fusible alloy
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000743 fusible alloy Inorganic materials 0.000 claims abstract description 55
- 210000000988 bone and bone Anatomy 0.000 claims description 34
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 239000000956 alloy Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 18
- 239000000155 melt Substances 0.000 abstract description 4
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000006837 decompression Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-AKLPVKDBSA-N gold-200 Chemical compound [200Au] PCHJSUWPFVWCPO-AKLPVKDBSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/36—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position
- F16K17/38—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
- F16K17/383—Safety valves; Equalising valves, e.g. pressure relief valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature the valve comprising fusible, softening or meltable elements, e.g. used as link, blocking element, seal, closure plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Abstract
The present invention relates to a kind of fluid decompression protection devices, more particularly to a kind of fusible plug.The present invention in face of needing protective device fluid temperature (F.T.) rapidly to rise, reaches fusible alloy fusing point and fusible alloy melts slow problem for current fusible plug, and it is fast to provide a kind of fusible alloy heating response, melts thorough fusible plug.Fusible plug of the present invention, including cock body and fusible alloy, it further includes the outer heat carrier and interior heat carrier being connected that the fusible alloy, which is set in the intracorporal cavity of plug, the outer heat carrier is set to one end of the cock body, and the interior heat carrier is at least partially arranged inside the fusible alloy.
Description
Technical field
The present invention relates to a kind of fluid decompression protection devices, more particularly to a kind of fusible plug.
Background technique
Fusible plug is widely used in various gas cylinders, fluid power coupling as a kind of reliable and stable fluid decompression protection device
On the devices such as clutch, reach fluid burning point itself with to avoid because of fluid temperature (F.T.) rising, or pressure in device is caused to fly up
Occur safety accident, caused by property loss.
The with higher sensitivity device of fusible plug is required to some, since fusible plug fusible metal alloy has certain volume, with heat
The distance in source is different, is limited in addition by material thermal conductivity, reaches fusible metal alloy rising rapidly in face of gas temperature
It when fusing point, is often first melted close to fluid and cock body one end, the other end then cannot rapidly be completed to melt, this process is taken
Between, affect the realization of fluid discharge and protective device function.This limitation be also it is current influence fusible plug selection it is important because
One of element.Fusible alloy be formulated metal thermal coefficient it is all relatively low, such thermal coefficient affect heat exchange speed and
The heterogeneity of its own fusing.
Summary of the invention
Based on this, it is necessary to for current fusible plug in face of needing protective device fluid temperature (F.T.) rapidly to rise, reach meltable
Alloy melting point and fusible alloy melts slow problem, it is fast to provide a kind of heating response of fusible alloy, melts thorough fusible plug.
Above-mentioned purpose is achieved through the following technical solutions:
A kind of fusible plug, including cock body and fusible alloy, the fusible alloy are set in the intracorporal cavity of plug, also
Including the outer heat carrier and interior heat carrier being connected, the outer heat carrier is set to one end of the cock body, the interior heat carrier
It is at least partially arranged inside the fusible alloy.
The end of the cock body offers heat exchange slot in one of the embodiments, and at least partly described outer heat carrier is embedding
Enter in the heat exchange slot.
The heat exchange slot is annularly set on the end face of the cock body in one of the embodiments,.
The outer heat carrier includes several thermally conductive grid in one of the embodiments, and the one of several thermally conductive grid
End is connected to center assembly, and the other end extends radially outward, one end of the interior heat carrier and the center assembly phase
Connection.
One end of thermally conductive grid towards the cock body, which is provided with, in one of the embodiments, can be embedded in described change
The insertion end of heat channel.
The interior heat carrier, the outer heat carrier and the cock body are integrally formed in one of the embodiments,.
The interior heat carrier is the thermally conductive bone of column in one of the embodiments, and the thermally conductive bone of column is along described meltable
The axis of alloy is arranged.
The interior heat carrier further includes several thermally conductive bone branches, several thermally conductive bones point in one of the embodiments,
Branch is set on the thermally conductive bone lateral wall of the column.
In one of the embodiments, the thermally conductive bone of the column be more, the more thermally conductive bone parallelly distribute ons of column in
Inside the fusible alloy.
The interior heat carrier is the thermally conductive bone of helical form in one of the embodiments, and the thermally conductive bone of helical form is set to
Inside the fusible alloy.
The beneficial effects of the present invention are:
Outer heat carrier is arranged in fusible plug of the present invention outside cock body and fusible alloy, increases heat-exchange surface using outer heat carrier
Product, the heat of fluid is conducted to cock body and interior heat carrier, and heat passes through cock body again and conducts externally to fusible alloy, simultaneously
Heat is conducted from inside to fusible alloy by interior heat carrier, makes the promotion of fusible alloy head and the tail temperature that can utmostly keep one
It causes, relying on cock body and fusible alloy itself to conduct merely than before, fluid heat is rapider, realizes the integral type of fusible alloy
Fusing, influences fusible alloy not by its volumetric constraint and with heat source distance, improves the sensitivity of fusible plug.
Detailed description of the invention
Fig. 1 is the decomposition diagram of the fusible plug of one embodiment of the invention；
Fig. 2 is the perspective view of the fusible plug of one embodiment of the invention；
Fig. 3 is the cross-sectional view of the fusible plug of one embodiment of the invention；
Fig. 4 is the perspective view of the fusible plug China and foreign countries heat carrier of one embodiment of the invention.
Wherein:
100- cock body；
110- heat exchange slot；
200- fusible alloy；
The outer heat carrier of 300-；
The thermally conductive grid of 310-；
311- insertion end；
The center 320- assembly；
Heat carrier in 400-.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, by the following examples, it and combines attached
Figure, is further elaborated fusible plug of the invention.It should be appreciated that specific embodiment described herein is only to solve
The present invention is released, is not intended to limit the present invention.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).In the description of the present invention, it is to be understood that, term " on ", "lower", "front", "rear", " left side ",
The orientation of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside", " clockwise ", " counterclockwise " or position are closed
System is merely for convenience of description of the present invention and simplification of the description to be based on the orientation or positional relationship shown in the drawings, rather than indicates
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitation of the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with
It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of
First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below "
One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
As shown in Figure 1, the present invention provides a kind of fusible plug, including cock body 100 and fusible alloy 200, fusible alloy 200 are set
It being placed in the cavity in cock body 100, cock body 100, which is fixedly mounted on, to be protected on container, such as opens up threaded hole on the wall,
Cock body 100 is threaded in threaded hole, when the fluid temperature (F.T.) in container increases, the temperature of fusible alloy 200 rises therewith
Height, when reaching the fusing point of fusible alloy 200, the fusing of fusible alloy 200 makes the cavity in cock body 100 become a gas vent,
Fluid can be discharged from the gas vent of cock body 100, to reduce the temperature and pressure in container, play a protective role to container.This
It further include the outer heat carrier 300 and interior heat carrier 400 being connected in the fusible plug of invention, outer heat carrier 300 is set to cock body 100
One end, interior heat carrier 400 is at least partially arranged inside fusible alloy 200, the choosing of outer heat carrier 300 and interior heat carrier 400
It is better than the material of fusible alloy 200 with thermal coefficient, such as copper, silver metal material, thermal coefficient are several times as much as fusible alloy 200.
When the fluid temperature (F.T.) in container increases, increases heat exchange area using outer heat carrier 300, the heat of fluid is conducted to cock body
100 and interior heat carrier 400 on, heat pass through again cock body 100 externally to fusible alloy 200 conduct, while pass through interior heat carrier
400 conduct heat from inside to fusible alloy 200, be consistent the promotion of 200 head and the tail temperature of fusible alloy can utmostly, compared with
Relying on cock body and fusible alloy itself to conduct merely before, fluid heat is rapider, realizes that the integral type of fusible alloy 200 is molten
Change, influences fusible alloy 200 not by its volumetric constraint and with heat source distance, improve the sensitivity of fusible plug.
As shown in Figures 2 and 3, in order to keep the heat transfer efficiency between cock body 100 and outer heat carrier 300 higher, in cock body 100
End offer heat exchange slot 110, so that at least partly outer insertion of heat carrier 300 is exchanged heat in slot 110.In insertion heat exchange slot 110
Outer heat carrier 300 can increase the contact area between cock body 100, improve heat transfer efficiency；At the same time it can also pass through heat exchange slot
Outer heat carrier 300 is fixed on the end of cock body 100 by 110, for example, make part in outer heat carrier 300 insertion heat exchange slot 110 with
Exchange heat 110 tight fit of slot, or processes screw thread in heat exchange slot 110, and outer heat carrier 300 is made to be threadedly attached in heat exchange slot
In 110.
Further, heat exchange slot 110 is annularly set on the end face of cock body 100.Cricoid heat exchange slot 110 makes outer thermally conductive
The region that body 300 is contacted with cock body 100 is more evenly, it is ensured that the heat conduction between outer heat carrier 300 and cock body 100 is more
Uniformly, in the present embodiment, heat exchange slot 110 is one；In other embodiments, the slot 110 that exchanges heat is also possible to a plurality of nesting and sets
It sets on the end face of cock body 100.
As shown in connection with fig. 4, in the present embodiment, outer heat carrier 300 includes several thermally conductive grid 310, several thermally conductive grid
310 one end is connected to center assembly 320, and the other end is extended radially outward to form radial outer heat carrier 300, inside be led
One end of hot body 400 is connected with center assembly 320, and connection type can be interference fit or threaded connection.Thermally conductive grid
310 further increase the area of the fluid heat exchange out of container, conduct heat faster to cock body 100 and fusible alloy 200.
More specifically, one end of thermally conductive grid 310 towards cock body 100 is provided with the insertion end that can be embedded in heat exchange slot 110
311.Insertion end 311 forms the structure of approximate c-type in the end of thermally conductive grid 310, when insertion end 311 is embedded in heat exchange slot 110
When, the end of thermally conductive grid 310 is fastened on the heat exchange slot 110 of 100 end face of cock body, is combined with cock body 100 stronger close.
In the present embodiment, interior heat carrier 400 is the thermally conductive bone of column, and the thermally conductive bone of column is set along the axis of fusible alloy 200
It sets, one end of the thermally conductive bone of column and the center assembly 320 among thermally conductive grid 310 are interference fitted or are threadedly coupled, and easily fuse
Gold 200 is cylindrical, and the thermally conductive bone of column is set on the central axes of fusible alloy 200, makes the thermally conductive bone of column from fusible alloy 200
It is more uniform that heat is conducted at center around.
Preferably, in order to improve the heat transfer efficiency between interior heat carrier 400 and fusible alloy 200, interior heat carrier 400 is also wrapped
Several thermally conductive bone branches are included, several thermally conductive bone branches are set on the thermally conductive bone lateral wall of column, form interior heat carrier 400 tree-shaped
Structure enables heat quickly to conduct in the various pieces for causing fusible alloy 200.
If fusible alloy 200 is relatively large in diameter, the thermally conductive bone of column can be set to more, and the more thermally conductive bones of column are parallel
It is distributed in inside fusible alloy 200.Each thermally conductive grid 310 can be corresponded to, the thermally conductive bone of one or more column is set, made thermally conductive
The heat that grid 310 absorbs can be directly conducted in fusible alloy 200.
In other embodiments, thermally conductive bone may be not necessarily limited to column, can also be the thermally conductive bone of helical form, and helical form is thermally conductive
Bone is set to inside fusible alloy 200, can increase the contact area between thermally conductive bone and fusible alloy 200.
In the present embodiment, the assembly of fusible plug including the following steps: be first mounted on one end of the thermally conductive bone of column
On the center assembly 320 of outer heat carrier 300, makes interior heat carrier 400 in the way of being threadedly coupled or being interference fitted and lead outside
Hot body 300 is fixed；Then the annular heat exchange slot 110 in the insertion end 311 of thermally conductive 310 end of grid and 100 end face of cock body is utilized
Cooperation is fixed, and outer heat carrier 300 is made to be connected with cock body 100；The cavity finally fusible alloy 200 being poured into cock body 100
In, it is wrapped in fusible alloy 200 outside interior heat carrier 400, that is, completes the assembly of fusible plug.
As a preferred embodiment, interior heat carrier 400, outer heat carrier 300 and cock body 100 can be integrally machined into
Type, the production of fusible plug can both be completed by being then filled into fusible alloy in the cavity of cock body 100, and integrated formed structure makes to give birth to
Production process is easier.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of fusible plug, including cock body (100) and fusible alloy (200), the fusible alloy (200) are set to the cock body
(100) in the cavity in, which is characterized in that it further include the outer heat carrier (300) and interior heat carrier (400) being connected, it is described outer
Heat carrier (300) is set to one end of the cock body (100), and the interior heat carrier (400) is at least partially arranged at described meltable
Alloy (200) is internal.
2. fusible plug according to claim 1, which is characterized in that the end of the cock body (100) offers heat exchange slot
(110), at least partly described outer heat carrier (300) is embedded in the heat exchange slot (110).
3. fusible plug according to claim 2, which is characterized in that the heat exchange slot (110) is annularly set to the plug
On the end face of body (100).
4. fusible plug according to claim 2, which is characterized in that the outer heat carrier (300) includes several thermally conductive grid
(310), one end of several thermally conductive grid (310) is connected to center assembly (320), and the other end extends radially outward,
One end of the interior heat carrier (400) is connected with the center assembly (320).
5. fusible plug according to claim 4, which is characterized in that the thermally conductive grid (310) is towards the cock body (100)
One end be provided with can be embedded in it is described heat exchange slot (110) insertion end (311).
6. fusible plug according to claim 1, which is characterized in that the interior heat carrier (400), the outer heat carrier
(300) it is integrally formed with the cock body (100).
7. fusible plug according to any one of claims 1 to 6, which is characterized in that the interior heat carrier (400) is led for column
Hot bone, the thermally conductive bone of column are arranged along the axis of the fusible alloy (200).
8. fusible plug according to claim 7, which is characterized in that the interior heat carrier (400) further includes several thermally conductive bones
Branch, several thermally conductive bone branches are set on the thermally conductive bone lateral wall of the column.
9. fusible plug according to claim 7, which is characterized in that the thermally conductive bone of column is more, the more columns
Thermally conductive bone parallelly distribute on is internal in the fusible alloy (200).
10. fusible plug according to any one of claims 1 to 6, which is characterized in that the interior heat carrier (400) is spiral
The thermally conductive bone of shape, it is internal that the thermally conductive bone of helical form is set to the fusible alloy (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268788.9A CN109084064A (en) | 2018-10-29 | 2018-10-29 | Fusible plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268788.9A CN109084064A (en) | 2018-10-29 | 2018-10-29 | Fusible plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109084064A true CN109084064A (en) | 2018-12-25 |
Family
ID=64844318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811268788.9A Pending CN109084064A (en) | 2018-10-29 | 2018-10-29 | Fusible plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109084064A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207961664U (en) * | 2018-01-19 | 2018-10-12 | 重庆迈赫机电有限公司 | A kind of fusible plug with conduction copper frame |
| CN207961655U (en) * | 2018-01-19 | 2018-10-12 | 重庆迈赫机电有限公司 | A kind of fusible plug |
| CN208951375U (en) * | 2018-10-29 | 2019-06-07 | 珠海格力电器股份有限公司 | Fusible plug |
-
2018
- 2018-10-29 CN CN201811268788.9A patent/CN109084064A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207961664U (en) * | 2018-01-19 | 2018-10-12 | 重庆迈赫机电有限公司 | A kind of fusible plug with conduction copper frame |
| CN207961655U (en) * | 2018-01-19 | 2018-10-12 | 重庆迈赫机电有限公司 | A kind of fusible plug |
| CN208951375U (en) * | 2018-10-29 | 2019-06-07 | 珠海格力电器股份有限公司 | Fusible plug |
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