CN202236975U - Fire extinguisher - Google Patents
Fire extinguisher Download PDFInfo
- Publication number
- CN202236975U CN202236975U CN2011203714804U CN201120371480U CN202236975U CN 202236975 U CN202236975 U CN 202236975U CN 2011203714804 U CN2011203714804 U CN 2011203714804U CN 201120371480 U CN201120371480 U CN 201120371480U CN 202236975 U CN202236975 U CN 202236975U
- Authority
- CN
- China
- Prior art keywords
- valve body
- handle
- steel cylinder
- fire extinguisher
- suction pipe
- 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.)
- Expired - Fee Related
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a fire extinguisher, which comprises a bottle body (2), a handle (1), a valve body (3), a suction pipe (8) and a steel bottle (9). A valve rod (4) and a spring seat (11) are arranged in the valve body (3); a return spring (10) is placed in an inner cavity of the spring seat (11); the side wall of the spring seat (11) is provided with an air flow passage (12); one end of the air flow passage (12) is communicated with the inner cavity of the spring seat (11); the other end of the air flow passage (12) extends to the outer side wall of the valve body (3) and is further communicated with an inner cavity of the bottle body (2); the steel bottle (9) is placed in the suction pipe (8) in a way that the bottom of the steel bottle (9) is downward and the bottleneck of the steel bottle (9) is upward; the lower end of the valve rod (4) is provided with a puncturing needle (13) for puncturing a sealing opening of the steel bottle (9); the spring seat (11) is put on a bottleneck of the steel bottle (9); and the puncturing needle (13) is sleeved in the return spring (10). By using the fire extinguisher, the utilization rate of a fire extinguishing agent can be improved; the fire-extinguishing efficiency is improved; further, the manufacturing process is simple; parts and components are less; and the production cost is lower.
Description
Technical field:
The utility model relates to a kind of fire-fighting equipment, specifically is a kind of fire extinguisher.
Background technology:
The spray volume of extinguishing chemical is one of key factor of making full use of of extinguishing chemical in the fire extinguisher.And Fig. 1 is a kind of broken section structural representation of comparatively common fire extinguisher.This fire extinguisher in actual use; Because steel cylinder 1 ' the be inverted in fire extinguisher body 2 of encapsulation carbon dioxide ' in; Be used to like this to pierce through the pricker 3 of steel cylinder 1 ' seal ' be used to install pricker 3 ' the below of spring base 4 ' then need be positioned at steel cylinder 1 ' seal; In use, when pricker 3 ' pierce through steel cylinder 1 ' after sealing, the carbon dioxide of steel cylinder 1 ' interior just can be rapidly from spring base 4 ' pore 5 ' leak to fire extinguisher body 2 ' interior and blow and mix fire extinguisher body 2 ' interior extinguishing chemical; Fire extinguisher body 2 ' interior rapid supercharging this moment and drive extinguishing chemical from be used for mounting spring seat 4 ' mounting pipe 6 ' the bottom upwards toward valve body 7 ' the ejection of nozzle 7.1 ' direction; But in fire extinguisher body 2 ' interior rapid supercharging, the pressure of fire extinguisher body 2 ' interior probably greater than steel cylinder 1 ' pressure, add upper spring seat 4 ' pore 5 ' be positioned at steel cylinder 1 ' seal the below and from mounting pipe 6 ' the bottom nearer; Like this extinguishing chemical then might from spring base 4 ' pore 5 ' entering; Thereby the carbon dioxide that influences steel cylinder 1 ' interior is from pore 5 ' release, so after the fire extinguisher of the type is being put out a fire, the fire extinguisher body 2 ' interior then still residual extinguishing chemical that has about 30%; Extinguishing chemical does not make full use of, influence fire extinguishing effect.The manufacturing process of the fire extinguisher internal structure of the type is comparatively complicated in addition, and parts are more, increased production cost to a certain extent.
The utility model content:
The technical problem that the utility model will solve is, a kind of extinguishing chemical utilization rate that improves is provided, and improve fire-fighting efficiency, and manufacturing process is simple, and parts are few, the fire extinguisher that production cost is lower.
For solving the problems of the technologies described above; The utility model adopts a kind of like this fire extinguisher; It comprises body, handle, the valve body that is installed in the body bottleneck, the suction pipe that is installed in valve body lower end that extinguishing chemical is housed, be used to the steel cylinder that encapsulates carbon dioxide and be positioned at suction pipe; Be provided with the spring base that valve rod and inner chamber are placed with back-moving spring in the said valve body; The sidewall of said spring base is provided with an end and the gas channel that the spring base inner chamber is communicated with, the other end extends to the valve body lateral wall and is communicated with the body inner chamber, is positioned over up in the suction pipe at following bottleneck at the bottom of the said steel cylinder bottle, and the lower end of said valve rod is provided with and is used to pierce through the pricker that steel cylinder seals; Said spring base places on the steel cylinder bottleneck, and said pricker is set in the back-moving spring.
The lower end of said handle is rotatably installed in the upper end of valve body through bearing pin, and the upper end of said valve body also is provided with and is used to stop the safety plug that rotates the winding by hand bearing pin, the top of said valve rod under nature, stretch out outside the valve body and be positioned at handle below.
The bottom of said handle is inclined upwardly from left to right, and the top of said handle is downward-sloping from left to right, and the bottom righthand side of said valve body is provided with the arc groove of being convenient to held.
The centre of said handle is provided with cavity.
Said suction pipe is provided with the inner bracing piece that is used to place steel cylinder.
After adopting above structure, the utility model compared with prior art has the following advantages: because the sidewall of said spring base is provided with an end and the spring base inner chamber is communicated with, the other end extends to the valve body lateral wall and is communicated with the body inner chamber gas channel; And be positioned at suction pipe up at following bottleneck at the bottom of the said steel cylinder bottle; The lower end of said valve rod is provided with and is used to pierce through the pricker that steel cylinder seals, and said spring base places on the steel cylinder bottleneck, and said pricker is set in the back-moving spring; Gas channel then is positioned at the top of body and far away from the bottom of suction pipe like this; And after thorn needle-penetration steel cylinder sealed, the carbon dioxide of emitting from steel cylinder then was introduced into the inner chamber of spring base, flow in the gas channel subsequently; And leak in the body and blow the extinguishing chemical that mixes in the body fast; And add that gas channel is positioned at the top of body and far away from the bottom of suction pipe, blow like this that mixed extinguishing chemical then directly enters into the bottom of suction pipe downwards and along upwards ejection fast of suction pipe, thereby can not have influence on carbon dioxide leaks in the body; So fully releasing of carbon dioxide is fully used the interior extinguishing chemical of body, effectively ensured the fire extinguishing effect.In addition, compared with prior art, the manufacturing process of the utility model fire extinguisher internal structure is fairly simple, and parts are less, has reduced production cost to a certain extent.
As improvement, the lower end of said handle is rotatably installed in the upper end of valve body through bearing pin, and the upper end of said valve body also is provided with and is used to stop the safety plug that rotates the winding by hand bearing pin; The top of said valve rod under nature, stretch out outside the valve body and be positioned at handle below; Make when spraying fire extinguisher like this, after extracting safety plug out, the hand of carrying fire extinguisher just can direct downwards squeeze grip; The whole process of pushing is consuming time very short, and very convenient.
As further improvement, the bottom of said handle is inclined upwardly from left to right, and the top of said handle is downward-sloping from left to right, and the bottom righthand side of said valve body is provided with the arc groove of being convenient to held, further is convenient to pushing of handle.
As further improvement, the centre of said handle is provided with cavity, and one side is loss of weight effectively, has effectively saved raw material on the other hand, has reduced production cost.
As further improvement, said suction pipe is provided with the inner bracing piece that is used to place steel cylinder, has made things convenient for the placement of steel cylinder.
Description of drawings:
Fig. 1 is the positive sectional structure sketch map of prior art fire extinguisher.
Fig. 2 is the positive sectional structure sketch map of the utility model fire extinguisher.
Fig. 3 is the partial side sectional structure sketch map of the utility model fire extinguisher.
Fig. 4 is the amplification sectional structure sketch map of the spring base of the utility model fire extinguisher.
Shown in the prior art figure: 1 ', steel cylinder, 2 ', body, 3 ', pricker, 4 ', spring base, 5 ', pore, 6 ', mounting pipe, 7 ', valve body, 7.1 ', nozzle.
Shown in the utility model figure: 1, handle, 1.1, cavity, 1.2, the bottom, 1.3, the top, 2, body, 3, valve body; 4, valve rod, 4.1, the annular radial groove, 5, bearing pin, 6, safety plug, 7, arc groove, 8, suction pipe; 9, steel cylinder, 10, back-moving spring, 11, spring base, 11.1, lateral column, 12, gas channel; 13, pricker, 14, inner bracing piece, 15, jet channel, 16, sealing ring, 17, the side air chamber.
The specific embodiment:
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described further.
Extremely shown in Figure 4 like Fig. 2; The fire extinguisher of the utility model; It comprises that inside is equipped with the body 2 of extinguishing chemical, handle 1, valve body 3, suction pipe 8, is used to encapsulate carbon dioxide and is positioned at the steel cylinder 9 of suction pipe 8, leaves the gap between the inwall of the outer wall of said steel cylinder 9 and body 2.
The upper end of said suction pipe 8 is installed in the lower end of valve body 3 through the mode that is spirally connected, and leaves distance between the bottom of the bottom of said suction pipe 8 and body 2, that is to say the said suction pipe 8 unsettled bodies 2 that are positioned at.
Said valve body 3 is installed in the bottle mouth position of body 2 through the mode of be spirally connected (promptly being threaded), and the top of valve body 3 is positioned at outside the body 2, and the lower part is positioned within the body 2.A side sidewall that is positioned at the top of the valve body 3 outside the body 2 is provided with the jet channel 15 with atmosphere.In the said valve body 3 upper end in be sealed with valve rod 4 through sealing ring 16, said valve rod 4 under nature, stretch out outside the valve body 2 and be positioned at handle 11 below.The sidewall of said valve rod 4 is provided with the annular radial groove 4.1 that is communicated with jet channel 15.Said valve body is provided with spring base 11 in 3 lower ends, and said spring base 11 is provided with the inner chamber that runs through spring base 11 vertically, and the lower end of this inner chamber is provided with step, is placed with back-moving spring 10 on this step.The sidewall of said spring base 11 is provided with an end and spring base 11 inner chambers are communicated with, the other end extends to valve body 3 lateral walls and is communicated with body 2 inner chambers gas channel 12.The sidewall of said spring base 11 also is provided with the spatial between spring base 11 and the valve body 3 is divided into the not lateral column 11.1 of homonymy air chamber 17, and said lateral column 11.1 is one-body molded with spring base 11.The upper end of said side air chamber 17 is used for being communicated with the annular radial groove 4.1 of valve rod 4, and the lower end of said side air chamber 17 is used for being communicated with the suction pipe inner chamber.
Different with prior art is that the steel cylinder 9 that is positioned at suction pipe 8 adopts the bottle end to be placed on suction pipe 8 in following bottleneck mode up.The lower end fixed installation of said valve rod 4 is useful on pierces through the pricker 13 that steel cylinder 9 seals.Said spring base 11 is placed on the bottleneck of steel cylinder 9 through the step of its inner chamber, and for preventing that taking the place of putting has gas leak phenomenon, is provided with sealing gasket between step and steel cylinder 9 bottlenecks.Said in addition pricker 13 is set in the back-moving spring 10, directly over that is to say that said pricker 13 stretches in the back-moving spring 10 downwards and being positioned at that steel cylinder 9 seals.
As the improvement project of present embodiment, the lower end of said handle 1 is rotatably installed in the upper end of valve body 3 through bearing pin 5, and the upper end of said valve body 3 also is provided with and is used to the safety plug 6 that stops handle 1 to rotate around bearing pin 5.The bottom 1.2 of said handle 1 is inclined upwardly from left to right, and the top 1.3 of said handle 1 is downward-sloping from left to right, and the bottom righthand side of said valve body 3 is provided with the arc groove 7 of being convenient to held.
For ease of preventing steel cylinder 9, be provided with the inner bracing piece 14 that is used to place steel cylinder 9 in the said suction pipe 8.
The fire extinguishing procedure of the utility model fire extinguisher is: squeeze grip 1; Valve rod 4 is moved down and pressed home spring 10; In the process that valve rod 4 moves down, on the one hand annular radial groove 4.1 is communicated with air chamber 17, and pricker 13 pierces through steel cylinder 9 gradually and seals on the other hand; Carbon dioxide released and entered into the inner chamber of spring base 11 in the steel cylinder 9 fast this moment; Enter into fast subsequently in the gas channel 12, and then carbon dioxide leaks in the body 2 and blows the extinguishing chemical that mixes in the body 2 from gas channel 12, superchargings rapidly in this moment body 2; Extinguishing chemical and carbon dioxide then upwards enter in the jet channel 15 through suction pipe 8 inner chambers, side air chamber 17, annular radial groove 4.1 from suction pipe 8 bottoms successively subsequently, and quick nozzle direction ejection from jet channel 15.
Claims (5)
1. fire extinguisher; It comprises body (2), handle (1), the valve body (3) that is installed in body (2) bottleneck, the suction pipe (8) that is installed in valve body (3) lower end that extinguishing chemical is housed, be used to encapsulate carbon dioxide and be positioned at the steel cylinder (9) of suction pipe (8); Be provided with the spring base (11) that valve rod (4) and inner chamber are placed with back-moving spring (10) in the said valve body (3); The sidewall of said spring base (11) is provided with that an end is communicated with spring base (11) inner chamber, the other end extends to valve body (3) lateral wall and the gas channel (12) that is communicated with body (2) inner chamber; It is characterized in that: said steel cylinder (9) the bottle end, be positioned in the suction pipe (8) at following bottleneck up; The lower end of said valve rod (4) is provided with and is used to pierce through the pricker (13) that steel cylinder (9) seals, and said spring base (11) places on steel cylinder (9) bottleneck, and said pricker (13) is set in the back-moving spring (10).
2. fire extinguisher according to claim 1; It is characterized in that: the lower end of said handle (1) is rotatably installed in the upper end of valve body (3) through bearing pin (5); The upper end of said valve body (3) also is provided with and is used to stop the safety plug (6) of handle (1) around bearing pin (5) rotation, and the top of said valve rod (4) is stretched out outside the valve body (3) under nature and is positioned at the below of handle (1).
3. fire extinguisher according to claim 2; It is characterized in that: the bottom (1.2) of said handle (1) is inclined upwardly from left to right; The top (1.3) of said handle (1) is downward-sloping from left to right, and the bottom righthand side of said valve body (3) is provided with the arc groove (7) of being convenient to held.
4. according to claim 2 or 3 described fire extinguishers, it is characterized in that: the centre of said handle (1) is provided with cavity (1.1).
5. fire extinguisher according to claim 1 is characterized in that: said suction pipe (8) is provided with the inner bracing piece (14) that is used to place steel cylinder (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203714804U CN202236975U (en) | 2011-09-28 | 2011-09-28 | Fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203714804U CN202236975U (en) | 2011-09-28 | 2011-09-28 | Fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202236975U true CN202236975U (en) | 2012-05-30 |
Family
ID=46098289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203714804U Expired - Fee Related CN202236975U (en) | 2011-09-28 | 2011-09-28 | Fire extinguisher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202236975U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104958854A (en) * | 2015-07-15 | 2015-10-07 | 安徽天元消防科技有限公司 | Fire extinguisher |
-
2011
- 2011-09-28 CN CN2011203714804U patent/CN202236975U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104958854A (en) * | 2015-07-15 | 2015-10-07 | 安徽天元消防科技有限公司 | Fire extinguisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20130928 |