CN203196180U - Gas powder agitating device for fire extinguisher - Google Patents
Gas powder agitating device for fire extinguisher Download PDFInfo
- Publication number
- CN203196180U CN203196180U CN 201220674030 CN201220674030U CN203196180U CN 203196180 U CN203196180 U CN 203196180U CN 201220674030 CN201220674030 CN 201220674030 CN 201220674030 U CN201220674030 U CN 201220674030U CN 203196180 U CN203196180 U CN 203196180U
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- pedestal
- bottle
- inner chamber
- joint
- gland
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Abstract
The utility model provides a gas powder agitating device for a fire extinguisher. The gas powder agitating device comprises a closed bottle body, a bottle body air inlet opening, a bottle body air outlet opening, a hollow agitating pipe and a hollow siphon, wherein the bottle body air inlet opening and the bottle body air outlet opening are formed on the upper end of the bottle body; and the hollow agitating pipe and the hollow siphon are located in the bottle body and are axially arranged. The upper end of the agitating pipe penetrates through the bottle body air inlet opening to stretch out of the bottle body; an upper end opening of the agitating pipe is an opening section for leading in high-pressure gas; a pipe body of the agitating pipe is provided with a plurality of rows of air exhausting holes; upper and lower end openings of the siphon are opening ends; an air inlet at the bottom of the siphon is in a tapered structure; and the upper end of the siphon penetrates through the bottle body air outlet opening to stretch out of the bottle body, so that the high-pressure gas can spray out dry powder which is mixed and agitated and the fire extinguishing effect is obviously improved.
Description
Technical field
The utility model belongs to civilian fire-fighting technical field of tools, particularly a kind of gas powder agitating device for fire extinguisher.
Background technology
China is the country that a fire takes place frequently, it is annual because fire has caused huge personal property loss for the country and people masses, popular traditional dry powder extinguisher in the market, if shelve for a long time, its inner dry powder may lump or deposition at bottle body bottom, like this dry powder injected the going out effectively of putting out a fire and just having part when dusting operation, make that the fire extinguishing effect is not ideal enough, even if new fire extinguisher, because it is simple in structure, be difficult to the realization air under pressure and mix stirring fully with dry powder, can occur the dead angle equally and make dry powder be difficult to be sprayed equably, thereby reduce the fire-fighting efficiency of existing traditional dry powder extinguisher.
The utility model content
The utility model provides a kind of gas powder agitating device for fire extinguisher, utilize the structure of this device, the high-voltage pulse air-flow seethes with excitement the dry powder in the bottle when entering dry powder bottle inside, gas and dry powder fully mix the stirring back and are sprayed uniformly, dry powder can not occur and pile up the dead angle, thereby promote the service efficiency of dry powder extinguisher greatly.
Technical scheme:
A kind of gas powder agitating device for fire extinguisher comprises airtight bottle, the bottle air inlet openings of offering in bottle upper end and bottle give vent to anger opening, the stirring pipe that is positioned at the hollow that bottle axially arranges along bottle and the siphon pipe of hollow; The upper end of stirring pipe is passed the bottle air inlet openings and is leant out outside the bottle, the upper port of stirring pipe is for being used for introducing the openend of gases at high pressure, offer steam vent on the body of stirring pipe, siphonal upper end is passed the bottle opening of giving vent to anger and is leant out outside the bottle, and siphonal upper and lower port is openend.
Preferably, the steam vent on the body of stirring pipe is the some row's steam vents that arrange vertically.
Further, steam vent row number is 3-6 row.
Further, every row's steam vent is 4-6.
Further, the lower port of stirring pipe is openend.
Further, the lower end edge of stirring pipe axially forms reducing section, cylindrical section and open-mouth section successively, the reducing section is the diminishing rounding platform of opening structure, the upper port of cylindrical section is connected with the lower port of rounding platform structure, open-mouth section is the frustum cone structure that opening increases gradually, the upper port of frustum cone structure is connected with the lower port of cylindrical section, and the lower port of frustum cone structure is the lower port of stirring pipe.
Further, the diameter of the lower port of open-mouth section equals the diameter of the upper port of reducing section, or the tapering of reducing section is the 40-50 degree, and the tapering of open-mouth section is the 40-50 degree.
Preferably, siphonal lower end is pyramidal structure, and tapering is the 40-50 degree; And/or the caliber of siphonal caliber and stirring pipe is than being 1:2.
Preferably, also comprise bottle joint, high-pressure gas circuit joint and first pedestal; First pedestal is the tapped hollow cylindrical structure that is fixed on bottle outer surface, the bottle air inlet openings is positioned at this first pedestal, the bottle joint is the two-way joint of hollow, its inner chamber is threaded structure, there is a collar flange at its outer surface middle part, the below that is positioned at collar flange of its outer surface is provided with the external thread structure that matches with the first pedestal internal thread, one end of high-pressure gas circuit joint screws in the inner chamber upper end of bottle joint, crimping place of high-pressure gas circuit joint and bottle joint is provided with an air inlet sealing gasket, the other end of high-pressure gas circuit joint is used for the input gases at high pressure, the inner chamber lower end that the bottle air inlet openings screws in the bottle joint is passed in the upper end of stirring pipe, the collar flange at bottle joint middle part and the top phase crimping of first pedestal, crimping place is provided with the bottle sealing ring.
Further, also comprise gland, gas powder two-phase flow jet pipe and second pedestal, second pedestal is that its top that is fixed on bottle outer surface has externally threaded hollow cylindrical structure, the bottle opening of giving vent to anger is positioned at this second pedestal, the inner chamber top of second pedestal is provided with the ring-shaped step structure, the inner chamber upper diameter of second pedestal forms the ring-shaped step structure of second pedestal greater than inner chamber middle part diameter, gland is hollow structure, the inner chamber of gland comprises a ring-shaped step structure, the inner chamber upper diameter of gland forms the ring-shaped step structure of gland less than the inner chamber lower diameter, the bottom of gland inner chamber is provided with the female thread structure that matches with the second pedestal external screw thread, the siphon pipe top has an annular boss, the bottom of gas powder two-phase flow jet pipe has an annular boss, two annular boss are stuck between the ring-shaped step structure of the ring-shaped step structure on the second pedestal inner chamber top and gland inner chamber, are provided with the exit seal circle between the adjacently situated surfaces of two annular boss.
Technique effect:
A kind of gas powder agitating device for fire extinguisher of the present utility model is compared with prior art, has following beneficial effect:
1, after gases at high pressure enters stirring pipe from the high-pressure gas circuit joint, each steam vent on gases at high pressure stirring pipe body ejects in the bottle chamber, this steam vent arranges in the scope of described quantity and distribution can guarantee that the gases at high pressure coverage rate can relate to bottle chamber all directions, the gas that ejects has certain wind-force, make bottle chamber powder all around be blown loosely to boiling, reach the effect that dry powder fully mixes stirring.
2, further, the stirring pipe bottom comprises the reducing section, cylindrical section and open-mouth section, because gas pressure can be disperseed by the steam vent on the body, cause the gas atmosphere of stirring pipe end lower, thereby the dynamics that influence is sprayed, reducing section in this structure and cylindrical section since caliber all less than the stirring pipe caliber of top, the gas that flows down slowly converges pressure when passing through the reducing section, continue poly-the pressure and pressurize through cylindrical section again, pressure when arriving open-mouth section can reach with the suitable effect of bottle air inlet openings place pressure, shows no sign of through the spraying high-pressure gas dynamics of this process and weakens.
3, the tapering of the open-mouth section of stirring pipe is the 40-50 degree, namely is horn-like, and the scope after gas sprays is strengthened.When powder is run into bottle wall, can form backflow, go round and begin again, make the powder of bottle bottom reach well-mixed effect with gas.
4, preferred, the siphon pipe bottom is a tapered hollow structure because awl mouthful place's pressure is higher, make and siphonal pipe portion and gas powder two-phase flow air jet pipe between pressure differential increase, can guarantee that gas powder two-phase flow derives smoothly, have anticlogging effect.In addition, when contacting with the awl mouth, bigger powder piece can be fractured into some fritters, in order to improve stirring efficiency.
5, preferred, siphon pipe is 1: 2 with stirring pipe caliber ratio, is in order to guarantee the flow of gas in the stirring pipe, and spray regime and injection dynamics reach fair-sized.Because if the caliber of stirring pipe is less, then the pipe in gas flow also will reduce, this directly has influence on the injection dynamics, and the siphon pipe caliber slightly for a short time be in order to save the space.
6, further, siphon pipe and stirring pipe are connected with interface, and sealing is splendid, connected mode simply, handled easily.Gland is fixed gas powder two-phase flow jet pipe and siphon pipe strictness, makes when gas jet can not rock because springing up of air-flow produces, and causes the leakage of air pressure.
Description of drawings
Fig. 1 is the main TV structure schematic diagram of a kind of embodiment of the present utility model;
Fig. 2 is the agitator structure schematic diagram among Fig. 1;
Fig. 3 is the siphon arrangement schematic diagram among Fig. 1.
Each label example is as follows among the figure:
The 1-bottle; 2-bottle air inlet openings; 21-high-pressure gas circuit joint; 22-bottle joint; 23-bottle sealing ring; 24-first pedestal; The 25-stirring pipe; The 26-steam vent; 27-air inlet sealing gasket; The 3-bottle opening of giving vent to anger; 31-gas powder two-phase flow jet pipe; The 32-gland; 33-second pedestal; The 34-siphon pipe; 35-exit seal circle.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Fig. 1 has the partial sectional view of the fire extinguisher of stirring pipe for the utility model, as shown in Figure 1, fire extinguisher bottle 1 is oval tubular, bottle 1 top central part offers bottle air inlet openings 2, the periphery of this bottle air inlet openings 2 is welded with a hollow cylindrical first pedestal 24, make bottle air inlet openings 2 be surrounded by first pedestal 24, this first pedestal inner chamber is provided with helicitic texture, stirring pipe 25 is passed bottle air inlet openings 2 vertically and is leant out outside the bottle, bottle joint 22 is the two-way joint of hollow, and at the outer surface middle part one collar flange is arranged, the position of flange needs to decide according to the length of first pedestal, 24 internal threads, the inner chamber of bottle joint 22 is threaded structure, the outside, lower end of the collar flange of bottle joint 22 has the external thread structure and then the bottle joint 22 that match with first pedestal, 24 internal threads and screws in the inner chamber of first pedestal 24, the internal thread of the inner chamber of the external screw thread of high-pressure gas circuit joint 21 and bottle joint 22 is complementary and then screws in the inner chamber of bottle joint 22, the external screw thread at stirring pipe 25 tops matches with the internal thread of the inner chamber of bottle joint 22 and then screws in the inner chamber of bottle joint 22, that is, make the intracavity inter-connection of gases at high pressure joint 11 and stirring pipe 25 by bottle joint 22.Stirring pipe 25 leans out the outer part of bottle and screws in bottle joint 22 inner chamber lower ends, and stirring pipe 25 is fixed in the bottle.Bottle joint 22 screws in first pedestal 24, and the bottom of the annular flange flange of bottle joint 22 outer surfaces is against the top of first pedestal 24 just, be provided with a bottle sealing ring 23 in this crimping place, so just realized the sealing and fixing of bottle joint 22 and first pedestal 24.High-pressure gas circuit joint 21 is that an outer surface middle part is welded with the pipe that emits lid, emit that to cover the position be along with the length of bottle joint 22 internal threads changes, its lower end has the external thread structure that is complementary with bottle joint 22 thread in inner cavity, the upper end is an opening end, can insert high pressure gas, this opening end can arbitrarily be set according to the high pressure gas interface shape that inserts.High-pressure gas circuit joint 21 lower ends screw in bottle joint 22, the outer rim of its nut structure is pressed in bottle joint 22 tops, joint is provided with an air inlet sealing gasket 27, and in bottle joint 22 inner chambers, the threaded port of the high-pressure gas circuit joint 21 of Xuan Ruing and stirring pipe 25 does not contact up and down.
The bottle opening 3 of giving vent to anger is arranged on a side of bottle top bottle air inlet openings 2, this bottle opening 3 peripheries of giving vent to anger are welded with second pedestal 33, the outer surface top of second pedestal 33 is provided with external screw thread, and inner chamber top and bottom are provided with the ring-shaped step structure, the ring-shaped step structure on inner chamber top is that the inner chamber upper diameter is greater than inner chamber middle part diameter, the lower annular ledge structure is then opposite, be that lower diameter is greater than the middle part diameter, but on described, the equal diameters of bottom, be that described inner chamber can be approximately a dumbbell shape, one annular boss that matches with second pedestal, 33 upper step structures is arranged at the top of siphon pipe 34, there is a circle to compress boss under the boss, this compress boss diameter and second pedestal, 33 inner chambers than minor diameter (namely, the diameter at middle part) equates, siphon pipe 34 enters bottle from the bottle opening 3 of giving vent to anger, the annular boss on top is stuck in the ring-shaped step place on second pedestal, 33 tops, compressing boss then tightly fits with the inner chamber than the minor diameter place of second pedestal, the arrival end of gas powder two-phase flow jet pipe 31 also has a ledge structure, the diameter of arrival end bottom is greater than its upper part diameter, the equal diameters of lower diameter and siphon pipe top annular boss, gas powder two-phase flow jet pipe 31 arrival ends are pressed on the annular boss at siphon pipe 34 tops, the junction is provided with an exit seal circle 35, described gland 32 also is accordingly that an inner chamber is threaded the hollow cylindrical structure with ledge structure, this gland inner chamber ledge structure is that upper diameter is less than lower diameter, than the less equal diameters of minor diameter with gas powder two-phase flow jet pipe 31 arrival end tops, the inner chamber bottom has the internal thread that matches with second pedestal, 33 external screw threads, after gas powder two-phase flow jet pipe 31 passes gland 32 from gland 32 belows, gland 32 and second pedestal 33 spin, and the annular boss of the annular boss of gas powder two-phase flow jet pipe 31 and siphon pipe 34 is stuck between the ring-shaped step structure of the ring-shaped step structure on the second pedestal inner chamber top and gland inner chamber.
Fig. 2 is agitator part-structure profile, preferably, stirring pipe 25 bottoms are provided with 6 row's steam vents 26 vertically, certainly, also can be made as 3,5-6 row or other row's numbers, 4 rows are optimal effectiveness, the quantity of every row's steam vent 26 is 4-6,6 are optimal selection, stirring pipe 25 lower end edges axially form the reducing section successively, and cylindrical section and open-mouth section, open-mouth section are the rounding platform structure that opening increases gradually, the upper port of cylindrical section is connected with the lower port of rounding platform structure, open-mouth section is the frustum cone structure that opening increases gradually, and the upper port of frustum cone structure is connected with the lower port of cylindrical section, and the diameter of the lower port of open-mouth section equals the diameter of the upper port of reducing section.Certainly, the tapering of reducing section is 45 degree (can select between the 40-50 degree, such as 40 degree, 50 degree), and the tapering of open-mouth section is 45 degree (can select between the 40-50 degree, such as 40 degree, 50 degree).This stirring pipe structure can make the gases at high pressure that flow down around pipe and the bottom ejects uniformly, the powder of guaranteeing bottle intracavity all contacts with gases at high pressure, the back boiling, the similar horn shape in lower end can make the gas spray regime strengthen, and reducing section and cylindrical section have poly-effect of pressing to the lower gas of relative pressure after spraying through steam vent 26, improve the injection intensity of gas.Described range of taper and steam vent 26 distributions are the preferable range after test determination.
Fig. 3 is siphon pipe 34 part-structure profiles, the relative prior art of this bore is less, phenomenon of blocking often appears during at suction inlet with through the transmission of caliber after gas powder mixture is inhaled into siphon pipe, and siphon pipe bottom air inlet described in the utility model is an awl mouth structure, tapering is 40 degree-50 degree, be preferably 45 degree, also can be 40 degree, 50 degree or other number of degrees.The pressure of siphon pipe bottom air inlet porch is relatively large, and is also bigger with the pressure differential between the jet of top connection atmosphere, guarantees that gas powder mixture reaches the suction inlet place and all is difficult for stopping up in caliber thereby have bigger motive force.Simultaneously, if when fire extinguisher bottle internal cause when for a long time the idle dry powder caking that occurs is stirred high pressure draught that pipe blows out and blows to its awl mouthful then can be very easily mouthful be smashed by awl, in order to improve stirring efficiency.Siphon pipe 34 is 1: 2 with the caliber ratio of stirring pipe 25, be in order to guarantee the flow of gas in the stirring pipe, spray regime and injection dynamics are all in preset range, because if the caliber of stirring pipe is less, then gas flow also will reduce in the pipe, this directly have influence on gases at high pressure the injection dynamics and with the mixing effect of powder, the siphon pipe caliber is slightly for a short time to be in order to save the space, make the more abundant mixing of gas powder, through test of many times, this proportionate relationship the best.
In addition, two blank areas of a kind of gas powder agitating device for fire extinguisher of the present utility model only are a kind of embodiment, can also be other joint component.
By reference to the accompanying drawings embodiment of the present utility model has been done detailed description above, but the utility model is not limited to above-mentioned embodiment, in the ken that those of ordinary skills possess, can also under the prerequisite that does not break away from the utility model aim, make various variations.
Claims (15)
1. a gas powder agitating device that is used for fire extinguisher is characterized in that, comprises airtight bottle, the bottle air inlet openings of offering in described bottle upper end and bottle give vent to anger opening, the stirring pipe that is positioned at the hollow that bottle axially arranges along bottle and the siphon pipe of hollow; The upper end of described stirring pipe is passed described bottle air inlet openings and is leant out outside the bottle, the upper port of described stirring pipe is for being used for introducing the openend of gases at high pressure, offer steam vent on the body of described stirring pipe, described siphonal upper end is passed the described bottle opening of giving vent to anger and is leant out outside the bottle, and described siphonal upper and lower port is openend.
2. a kind of gas powder agitating device for fire extinguisher according to claim 1 is characterized in that, the steam vent on the body of described stirring pipe is the some row's steam vents that arrange vertically.
3. a kind of gas powder agitating device for fire extinguisher according to claim 2 is characterized in that, described steam vent row number is 3-6 row.
4. a kind of gas powder agitating device for fire extinguisher according to claim 2 is characterized in that, every row's steam vent is 4-6.
5. a kind of gas powder agitating device for fire extinguisher according to claim 3 is characterized in that, every row's steam vent is 4-6.
6. according to the described a kind of gas powder agitating device for fire extinguisher of one of claim 1-5, it is characterized in that the lower port of described stirring pipe is openend.
7. a kind of gas powder agitating device for fire extinguisher according to claim 6, it is characterized in that, the lower end edge of described stirring pipe axially forms reducing section, cylindrical section and open-mouth section successively, described reducing section is the diminishing rounding platform of opening structure, the upper port of described cylindrical section is connected with the lower port of rounding platform structure, described open-mouth section is the frustum cone structure that opening increases gradually, the upper port of described frustum cone structure is connected with the lower port of cylindrical section, and the lower port of described frustum cone structure is the lower port of described stirring pipe.
8. a kind of gas powder agitating device for fire extinguisher according to claim 7, it is characterized in that, the diameter of the lower port of described open-mouth section equals the diameter of the upper port of reducing section, or the tapering of described reducing section is the 40-50 degree, and the tapering of described open-mouth section is the 40-50 degree.
9. a kind of gas powder agitating device for fire extinguisher according to claim 6 is characterized in that described siphonal lower end is pyramidal structure, and tapering is the 40-50 degree; And/or the caliber of described siphonal caliber and described stirring pipe is than being 1:2.
10. according to the described a kind of gas powder agitating device for fire extinguisher of one of claim 1-5, it is characterized in that, also comprise bottle joint, high-pressure gas circuit joint and first pedestal; Described first pedestal is the tapped hollow cylindrical structure that is fixed on described bottle outer surface, described bottle air inlet openings is positioned at this first pedestal, described bottle joint is the two-way joint of hollow, its inner chamber is threaded structure, there is a collar flange at its outer surface middle part, the below that is positioned at described collar flange of its outer surface is provided with the external thread structure that matches with the first pedestal internal thread, one end of described high-pressure gas circuit joint screws in the inner chamber upper end of described bottle joint, crimping place of described high-pressure gas circuit joint and described bottle joint is provided with an air inlet sealing gasket, the other end of described high-pressure gas circuit joint is used for the input gases at high pressure, the inner chamber lower end that described bottle air inlet openings screws in described bottle joint is passed in the upper end of described stirring pipe, the collar flange at described bottle joint middle part and the top phase crimping of described first pedestal, crimping place is provided with the bottle sealing ring.
11. a kind of gas powder agitating device for fire extinguisher according to claim 6 is characterized in that, also comprises bottle joint, high-pressure gas circuit joint and first pedestal; Described first pedestal is the tapped hollow cylindrical structure that is fixed on described bottle outer surface, described bottle air inlet openings is positioned at this first pedestal, described bottle joint is the two-way joint of hollow, its inner chamber is threaded structure, there is a collar flange at its outer surface middle part, the below that is positioned at described collar flange of its outer surface is provided with the external thread structure that matches with the first pedestal internal thread, one end of described high-pressure gas circuit joint screws in the inner chamber upper end of described bottle joint, crimping place of described high-pressure gas circuit joint and described bottle joint is provided with an air inlet sealing gasket, the other end of described high-pressure gas circuit joint is used for the input gases at high pressure, the inner chamber lower end that described bottle air inlet openings screws in described bottle joint is passed in the upper end of described stirring pipe, the collar flange at described bottle joint middle part and the top phase crimping of described first pedestal, crimping place is provided with the bottle sealing ring.
12. according to the described a kind of gas powder agitating device for fire extinguisher of one of claim 7-9, it is characterized in that, also comprise bottle joint, high-pressure gas circuit joint and first pedestal; Described first pedestal is the tapped hollow cylindrical structure that is fixed on described bottle outer surface, described bottle air inlet openings is positioned at this first pedestal, described bottle joint is the two-way joint of hollow, its inner chamber is threaded structure, there is a collar flange at its outer surface middle part, the below that is positioned at described collar flange of its outer surface is provided with the external thread structure that matches with the first pedestal internal thread, one end of described high-pressure gas circuit joint screws in the inner chamber upper end of described bottle joint, crimping place of described high-pressure gas circuit joint and described bottle joint is provided with an air inlet sealing gasket, the other end of described high-pressure gas circuit joint is used for the input gases at high pressure, the inner chamber lower end that described bottle air inlet openings screws in described bottle joint is passed in the upper end of described stirring pipe, the collar flange at described bottle joint middle part and the top phase crimping of described first pedestal, crimping place is provided with the bottle sealing ring.
13. a kind of gas powder agitating device for fire extinguisher according to claim 10, it is characterized in that, also comprise gland, gas powder two-phase flow jet pipe and second pedestal, described second pedestal is that its top that is fixed on described bottle outer surface has externally threaded hollow cylindrical structure, the described bottle opening of giving vent to anger is positioned at this second pedestal, the inner chamber top of described second pedestal is provided with the ring-shaped step structure, the inner chamber upper diameter of described second pedestal forms the ring-shaped step structure of described second pedestal greater than inner chamber middle part diameter, described gland is hollow structure, the inner chamber of described gland comprises a ring-shaped step structure, the inner chamber upper diameter of described gland forms the ring-shaped step structure of described gland less than the inner chamber lower diameter, the bottom of gland inner chamber is provided with the female thread structure that matches with the second pedestal external screw thread, described siphon pipe top has an annular boss, the bottom of described gas powder two-phase flow jet pipe has an annular boss, two annular boss are stuck between the ring-shaped step structure of the ring-shaped step structure on the second pedestal inner chamber top and gland inner chamber, are provided with the exit seal circle between the adjacently situated surfaces of two annular boss.
14. a kind of gas powder agitating device for fire extinguisher according to claim 11, it is characterized in that, also comprise gland, gas powder two-phase flow jet pipe and second pedestal, described second pedestal is that its top that is fixed on described bottle outer surface has externally threaded hollow cylindrical structure, the described bottle opening of giving vent to anger is positioned at this second pedestal, the inner chamber top of described second pedestal is provided with the ring-shaped step structure, the inner chamber upper diameter of described second pedestal forms the ring-shaped step structure of described second pedestal greater than inner chamber middle part diameter, described gland is hollow structure, the inner chamber of described gland comprises a ring-shaped step structure, the inner chamber upper diameter of described gland forms the ring-shaped step structure of described gland less than the inner chamber lower diameter, the bottom of gland inner chamber is provided with the female thread structure that matches with the second pedestal external screw thread, described siphon pipe top has an annular boss, the bottom of described gas powder two-phase flow jet pipe has an annular boss, two annular boss are stuck between the ring-shaped step structure of the ring-shaped step structure on the second pedestal inner chamber top and gland inner chamber, are provided with the exit seal circle between the adjacently situated surfaces of two annular boss.
15. a kind of gas powder agitating device for fire extinguisher according to claim 12, it is characterized in that, also comprise gland, gas powder two-phase flow jet pipe and second pedestal, described second pedestal is that its top that is fixed on described bottle outer surface has externally threaded hollow cylindrical structure, the described bottle opening of giving vent to anger is positioned at this second pedestal, the inner chamber top of described second pedestal is provided with the ring-shaped step structure, the inner chamber upper diameter of described second pedestal forms the ring-shaped step structure of described second pedestal greater than inner chamber middle part diameter, described gland is hollow structure, the inner chamber of described gland comprises a ring-shaped step structure, the inner chamber upper diameter of described gland forms the ring-shaped step structure of described gland less than the inner chamber lower diameter, the bottom of gland inner chamber is provided with the female thread structure that matches with the second pedestal external screw thread, described siphon pipe top has an annular boss, the bottom of described gas powder two-phase flow jet pipe has an annular boss, two annular boss are stuck between the ring-shaped step structure of the ring-shaped step structure on the second pedestal inner chamber top and gland inner chamber, are provided with the exit seal circle between the adjacently situated surfaces of two annular boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220674030 CN203196180U (en) | 2012-12-07 | 2012-12-07 | Gas powder agitating device for fire extinguisher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220674030 CN203196180U (en) | 2012-12-07 | 2012-12-07 | Gas powder agitating device for fire extinguisher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203196180U true CN203196180U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220674030 Withdrawn - After Issue CN203196180U (en) | 2012-12-07 | 2012-12-07 | Gas powder agitating device for fire extinguisher |
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| CN (1) | CN203196180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940945A (en) * | 2012-12-07 | 2013-02-27 | 北京北机机电工业有限责任公司 | Gas powder agitating device for fire extinguisher |
-
2012
- 2012-12-07 CN CN 201220674030 patent/CN203196180U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102940945A (en) * | 2012-12-07 | 2013-02-27 | 北京北机机电工业有限责任公司 | Gas powder agitating device for fire extinguisher |
| CN102940945B (en) * | 2012-12-07 | 2015-12-09 | 北京北机机电工业有限责任公司 | A kind of gas powder agitating device for fire extinguisher |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130918 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |