CN217409604U - Portable fire extinguishing device with safe pressure relief structure - Google Patents
Portable fire extinguishing device with safe pressure relief structure Download PDFInfo
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- CN217409604U CN217409604U CN202220340883.0U CN202220340883U CN217409604U CN 217409604 U CN217409604 U CN 217409604U CN 202220340883 U CN202220340883 U CN 202220340883U CN 217409604 U CN217409604 U CN 217409604U
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- pressure release
- pressure relief
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- extinguishing device
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Abstract
The utility model belongs to extinguishing device's field especially relates to portable extinguishing device with safe pressure release structure. Including the shell with locate inner shell in the shell, locate the protecgulum of shell front end, be equipped with on the protecgulum with the nozzle of inner shell intercommunication and be used for the shutoff the end cap of nozzle, still be equipped with the pressure release hole on the protecgulum, be equipped with pressure release mouth and shutoff on the perisporium of inner shell the pressure release diaphragm of pressure release mouth, be equipped with the intercommunication between shell and the inner shell the pressure release direction passageway of pressure release hole and pressure release mouth. The utility model discloses when setting up the pressure release mouth on the inner shell, increased pressure release guiding channel, seted up the pressure release hole on the protecgulum in addition to when using portable extinguishing device pressure release, make the direction that high temperature high pressure air current discharged unanimous with the normal direction of putting that spouts of extinguishing device during operation, simultaneously, can not damage portable extinguishing device's plastic casing, improved portable extinguishing device's safety in utilization.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to extinguishing device's field especially relates to portable extinguishing device with safe pressure release structure.
[ background of the invention ]
In the portable fire extinguishing device on the market at present, high-pressure gas is generated inside the portable fire extinguishing device when the portable fire extinguishing device is started, the gas or fire extinguishing agent is sprayed out from a nozzle, and the fire extinguishing device is not provided with a safety pressure relief hole, as shown in figure 1, when the pressure in the shell exceeds the design pressure and cannot be relieved and released in time, the whole metal shell and the plastic shell of the portable fire extinguishing device can burst to hurt people, and great potential safety hazard exists;
some current extinguishing device can set up safe pressure release hole, as shown in fig. 2, generally be equipped with the pressure release hole in the both sides of portable extinguishing device inner shell, when using, when pressure in the casing surpassed design pressure and the pressure release is released, high temperature high pressure air current can spray to both sides suddenly through metal casing's pressure release hole melting plastics shell, can lead to the user of service or be in the personnel of portable extinguishing device both sides and sprayed and be injured, there is certain potential safety hazard, the event has restricted portable extinguishing device in the application prospect in the fire control field to a certain extent.
[ summary of the invention ]
For solving the problem that the portable fire extinguishing device in the prior art has certain potential safety hazard, the utility model provides a portable fire extinguishing device with safe pressure relief structure.
The utility model discloses a realize through following technical scheme:
portable extinguishing device with safe pressure release structure, include the shell and locate inner shell in the shell, locate the protecgulum of shell front end, be equipped with on the protecgulum with the nozzle of inner shell intercommunication and be used for the shutoff the end cap of nozzle, still be equipped with the pressure release hole on the protecgulum, be equipped with pressure release mouth and shutoff on the perisporium of inner shell the pressure release diaphragm of pressure release mouth, be equipped with the intercommunication between shell and the inner shell the pressure release direction passageway of pressure release hole and pressure release mouth.
According to the portable fire extinguishing device with the safe pressure relief structure, the front cover is provided with the plurality of pressure relief holes along the axial circumference.
As above portable extinguishing device with safe pressure release structure, the pressure release guide way be with a plurality of the pressure release hole intercommunication just the cladding is at the annular channel of inner shell periphery.
The portable fire extinguishing device with the safe pressure relief structure further comprises a guide pipe, wherein the guide pipe is arranged between the outer shell and the inner shell, and a space is reserved between the guide pipe and the front part of the outer peripheral wall of the inner shell to form the pressure relief guide channel.
According to the portable fire extinguishing device with the safe pressure relief structure, the periphery of the front cover is provided with a plurality of concave positions which are sunken towards the center direction, and the concave positions and the inner wall of the shell form the pressure relief hole.
According to the portable fire extinguishing device with the safe pressure relief structure, the inner side of the shell is provided with the positioning step for installing the guide pipe.
According to the portable fire extinguishing device with the safe pressure relief structure, the inner wall of the shell is further provided with the pressing rib pressing the periphery of the guide pipe.
The portable fire extinguishing device with the safe pressure relief structure is characterized in that the peripheral wall of the inner shell is provided with a plurality of pressure relief ports.
Compared with the prior art, the utility model discloses there is following advantage:
1. the utility model provides a portable extinguishing device with safe pressure release structure, when setting up the pressure release mouth on the inner shell, increased pressure release guiding channel, set up the pressure release hole on the protecgulum in addition to when using portable extinguishing device pressure release, make the direction that high temperature high pressure air current discharged unanimous with the normal direction of putting that spouts of extinguishing device during operation, simultaneously, can not damage portable extinguishing device's plastic casing, improved portable extinguishing device's safety in utilization.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art portable fire suppression apparatus without a pressure relief structure;
FIG. 2 is a schematic structural view of a portable fire extinguishing apparatus with pressure relief structures on two sides in the prior art;
FIG. 3 is a structural diagram of the portable fire extinguishing apparatus with a safety pressure relief structure of the present invention;
fig. 4 is a sectional view a-a of fig. 3.
[ detailed description ] embodiments
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to further explain the present invention in detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model discloses a realize through following technical scheme:
as shown in fig. 3 and 4, the portable fire extinguishing apparatus with a safe pressure relief structure is characterized by comprising an outer shell 1, an inner shell 2 arranged in the outer shell 1, a front cover 3 arranged at the front end of the outer shell 1, a nozzle communicated with the inner shell 2 and a plug 31 used for plugging the nozzle are arranged on the front cover 3, a pressure relief hole 32 is further arranged on the front cover 3, a pressure relief opening 21 and a pressure relief membrane 22 for plugging the pressure relief opening 21 are arranged on the peripheral wall of the inner shell 2, and a pressure relief guide channel 4 communicated with the pressure relief hole 32 and the pressure relief opening 21 is arranged between the outer shell 1 and the inner shell 2. The utility model provides a portable extinguishing device with safe pressure release structure, when setting up the pressure release mouth on the inner shell, increased pressure release guiding channel, set up the pressure release hole on the protecgulum in addition to when using portable extinguishing device pressure release, make the direction that high temperature high pressure air current discharged unanimous with the normal direction of putting that spouts of extinguishing device during operation, simultaneously, can not damage portable extinguishing device's plastic casing, improved portable extinguishing device's safety in utilization.
Further, a plurality of the pressure relief holes 32 are formed in the front cover 3 along the axial circumference. And a plurality of the pressure release hole be located the periphery of nozzle, and set up with the nozzle syntropy, when normal start, pressure release diaphragm 22 shutoff pressure release mouth, inside high temperature high pressure draught can only follow the nozzle blowout, if take place high-pressure release, inside high pressure bursting pressure release diaphragm is derived to the pressure release hole blowout by pressure release guide way, same spun direction and nozzle syntropy to avoided the pressure release can spout to the human body, with the security that improves the use.
Specifically, the pressure relief guide channel 4 is an annular channel which is communicated with the plurality of pressure relief holes 32 and covers the periphery of the inner shell 2. The structure is simple, and the space of the channel is enlarged so as to guide high-temperature and high-pressure gas.
The embodiment of the utility model provides an in, pressure release guiding channel's formation structure is stand pipe 5, stand pipe 5 is located between shell 1 and the inner shell 2, and with 2 periphery walls of inner shell leave the interval before in order to form pressure release guiding channel 4.
The specific structure of the pressure relief hole is that the front cover 3 is circumferentially provided with a plurality of concave positions which are concave towards the central direction, and the concave positions and the inner wall of the shell 1 form the pressure relief hole 32. The structure is simple, and the installation and the manufacture are convenient. And in order to match the pressure relief hole, a positioning step 101 for installing the guide pipe 5 is arranged on the inner side of the shell 1. When the guide pipe 5 is installed and positioned with the positioning step, the positioning step forms a space for embedding the peripheral wall of the guide pipe, so that the inner wall of the guide pipe is flush with the inner part of the front end of the shell, and a pressure relief guide channel is formed and communicated with the pressure relief hole.
Still further, the inner wall of the housing 1 is provided with a pressing rib 102 pressing against the outer periphery of the guide tube 5. The guide pipe is used for jacking and positioning the guide pipe, so that the guide pipe is simpler to mount and is not easy to deform. In the present embodiment, the peripheral wall of the inner casing 2 is provided with a plurality of pressure relief ports 21.
The utility model provides a portable extinguishing device with safe pressure release structure, when setting up the pressure release mouth on the inner shell, increased pressure release guiding channel, set up the pressure release hole on the protecgulum in addition to when using portable extinguishing device pressure release, make the direction that high temperature high pressure air current discharged unanimous with the normal direction of putting that spouts of extinguishing device during operation, simultaneously, can not damage portable extinguishing device's plastic casing, improved portable extinguishing device's safety in utilization.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not to be construed as limiting the invention to the precise embodiments disclosed herein. All with the utility model discloses a method, structure etc. are similar, the same, or to the utility model discloses make a plurality of technological deductions under the design prerequisite, or the replacement should all be regarded as the utility model discloses a scope of protection.
Claims (8)
1. Portable extinguishing device with safe pressure release structure, characterized in that includes shell (1) and locates inner shell (2) in shell (1), locate protecgulum (3) of shell (1) front end, be equipped with on protecgulum (3) with the nozzle of inner shell (2) intercommunication and be used for the shutoff end cap (31) of nozzle, still be equipped with pressure release hole (32) on protecgulum (3), be equipped with pressure release mouth (21) and shutoff on the perisporium of inner shell (2) pressure release diaphragm (22) of pressure release mouth (21), be equipped with the intercommunication between shell (1) and inner shell (2) pressure release guide way (4) of pressure release hole (32) and pressure release mouth (21).
2. The portable fire extinguishing apparatus with a safety pressure relief structure according to claim 1, wherein the front cover (3) is provided with a plurality of pressure relief holes (32) along an axial circumference.
3. The portable fire extinguishing apparatus with a safety pressure relief structure according to claim 2, wherein the pressure relief guide passage (4) is an annular passage communicating with the plurality of pressure relief holes (32) and covering the outer periphery of the inner casing (2).
4. The portable fire extinguishing apparatus with a safety pressure relief structure according to claim 2, further comprising a guide tube (5), wherein the guide tube (5) is arranged between the outer shell (1) and the inner shell (2) and is spaced from the front of the outer peripheral wall of the inner shell (2) to form the pressure relief guide channel (4).
5. The portable fire extinguishing apparatus with a safety pressure relief structure according to claim 4, wherein the front cover (3) has a plurality of concave positions concaved toward the center in the circumferential direction, and the concave positions and the inner wall of the housing (1) form the pressure relief holes (32).
6. The portable fire extinguishing apparatus with a safety pressure relief structure according to claim 5, characterized in that the inside of the housing (1) is provided with a positioning step (101) for the guide pipe (5) to be mounted.
7. The portable fire extinguishing apparatus with a safety pressure relief structure according to claim 6, wherein the inner wall of the housing (1) is further provided with a pressing rib (102) pressing against the outer periphery of the guide pipe (5).
8. The portable fire extinguishing apparatus with a safety pressure relief structure as recited in claim 7, characterized in that a plurality of the pressure relief ports (21) are provided on the peripheral wall of the inner casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220340883.0U CN217409604U (en) | 2022-02-19 | 2022-02-19 | Portable fire extinguishing device with safe pressure relief structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220340883.0U CN217409604U (en) | 2022-02-19 | 2022-02-19 | Portable fire extinguishing device with safe pressure relief structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217409604U true CN217409604U (en) | 2022-09-13 |
Family
ID=83176145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220340883.0U Active CN217409604U (en) | 2022-02-19 | 2022-02-19 | Portable fire extinguishing device with safe pressure relief structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217409604U (en) |
-
2022
- 2022-02-19 CN CN202220340883.0U patent/CN217409604U/en active Active
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