CN215691208U - Low multiple air foam generator - Google Patents
Low multiple air foam generator Download PDFInfo
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- CN215691208U CN215691208U CN202120938830.4U CN202120938830U CN215691208U CN 215691208 U CN215691208 U CN 215691208U CN 202120938830 U CN202120938830 U CN 202120938830U CN 215691208 U CN215691208 U CN 215691208U
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- foam generator
- dust screen
- generator body
- multiple air
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Abstract
The utility model relates to the technical field of fire fighting equipment, in particular to a low-multiple air foam generator, which increases the dustproof effect of the low-multiple air foam generator, increases the foam generating effect of the low-multiple air foam generator and improves the practicability; including the foam generator body, first dust screen, the second dust screen, the fixed plate, solid fixed ring, the sealed cowling, the glass gland, flat glass, first connecting plate, awl and canceling release mechanical system, the inside cavity that is provided with of foam generator body, be provided with feed inlet and discharge gate on the foam generator body, the feed inlet department of foam generator body is provided with venturi, first dust screen is installed on the foam generator body and relative slip, be provided with a plurality of groups of through-holes on the first dust screen, first dust screen and second dust screen sliding connection, first dust screen passes through canceling release mechanical system and installs on the foam generator body, second dust screen fixed mounting is on the fixed plate.
Description
Technical Field
The utility model relates to the technical field of fire fighting equipment, in particular to a low-multiple air foam generator.
Background
The air foam generator is also called air foam generator, and is a fire-fighting device which is arranged on the tank wall of the ring plate at the uppermost layer of the oil tank and is used for spraying foam when the oil tank is used for fire extinguishing. The nozzle is sealed from the air in the tank by a thin glass sheet (or a diaphragm), so that the function of preventing oil or oil gas in the tank from entering a foam chamber or a fire-fighting pipeline is achieved; the existing air foam generator adopts a layer of dustproof net, so that the dustproof effect is poor, and the generation of foam is influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, the present invention provides a low multiple air foam generator which increases the dust-proof effect of the low multiple air foam generator, increases the foam generating effect of the low multiple air foam generator, and improves the practicability.
The utility model relates to a low-multiple air foam generator, which comprises a foam generator body, a first dust screen, a second dust screen, a fixing plate, a fixing ring, a sealing cover, a glass gland, flat glass, a first connecting plate, a pointed cone and a resetting mechanism, wherein a cavity is arranged in the foam generator body, a feed inlet and a discharge outlet are arranged on the foam generator body, a Venturi tube is arranged at the feed inlet of the foam generator body, the first dust screen is arranged on the foam generator body and slides relative to the foam generator body, a plurality of groups of through holes are arranged on the first dust screen, the first dust screen is connected with the second dust screen in a sliding manner, the first dust screen is arranged on the foam generator body through the resetting mechanism, the second dust screen is fixedly arranged on the fixing plate, a plurality of groups of through holes are arranged on the second dust screen, and the fixing plate is arranged on the foam generator body, fixed ring fixed mounting is on the second dust screen, the sealed cowling is installed on solid fixed ring, the glass gland is installed on the foam generator body and is located the discharge gate, flat glass installs on the glass gland, first connecting plate is installed on first dust screen and is located the below of venturi output, point awl fixed mounting is on first connecting plate.
The low-multiple air foam generator comprises two groups of second connecting plates and springs, wherein the two groups of second connecting plates are fixedly arranged on a first dust screen, and the four groups of springs are respectively arranged on the two groups of second connecting plates and connected with a foam generator body.
According to the low-multiple air foam generator, the foam generator body is provided with the plurality of groups of sliding grooves, and the first dust screen is connected with the plurality of groups of sliding grooves in a sliding mode.
The low-multiple air foam generator further comprises a first flange, a communicating pipe and a second flange, wherein the communicating pipe is fixedly installed on an oil tank, the second flange is installed on the communicating pipe, the first flange is installed on the foam generator body, and the first flange is connected with the second flange through a bolt.
The low-expansion air foam generator further comprises a plurality of groups of first bolts, and the glass gland is mounted on the foam generator body through the plurality of groups of first bolts.
The low-multiple air foam generator further comprises a plurality of groups of second bolts, and the plurality of groups of second bolts are mounted on the fixing plate and connected with the foam generator body.
The low multiple air foam generator further comprises a sealing gasket, and the sealing gasket is arranged between the first flange and the second flange.
According to the low-expansion air foam generator, the surface of the sealing cover is subjected to rust-proof spraying treatment.
Compared with the prior art, the utility model has the beneficial effects that: when the low-multiple air foam generator does not generate foam, the through holes on the first dust screen and the second dust screen are not communicated, the foam mixed liquid is conveyed to the Venturi tube through the feed inlet of the foam generator body and is sprayed into the cavity through the Venturi tube, under the action of the Venturi tube, the cavity of the foam generator body is in a negative pressure state, the foam mixed liquid pushes the first connecting plate positioned below the output end of the Venturi tube, the first connecting plate drives the pointed cone to move towards the discharge port end, the flat glass is punctured by the pointed cone, meanwhile, the first connecting plate drives the first dust screen to move towards the discharge port, the through holes on the second dust screen are communicated with the through holes on the first dust screen, outside air is conveyed into the cavity through a gap between the sealing cover and the second dust screen, the air in the cavity is mixed with the foam mixed liquid to generate foam, and the generated foam is conveyed into the oil tank through the discharge port, after the foam production finishes, canceling release mechanical system drives first dust screen and removes to the feed inlet direction, resume the through-hole that resumes on first dust screen and the second dust screen not to communicate, set up flat glass, prevent in the oil tank internal flat time oil steam that volatilizees out gets into the pipeline of foam system, set up first dust screen and second dust screen, prevent that impurity from getting into, the sealed cowling plays rain-proof dirt-proof effect, increase the dustproof effect of low multiple air foam generator, the foam that increases low multiple air foam generator produces the effect, the high practicality.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is a schematic cross-sectional view A-A of the present invention;
FIG. 5 is a schematic view of the cross-sectional structure B-B of the present invention;
FIG. 6 is a schematic view of the construction of the first and second dust screens of the present invention;
FIG. 7 is a schematic structural view of the reset mechanism of the present invention;
in the drawings, the reference numbers: 1. a foam generator body; 2. a venturi tube; 3. a first dust screen; 4. a second dust screen; 5. a fixing plate; 6. a fixing ring; 7. a sealing cover; 8. glass pressing covers; 9. flat glass; 10. a first connecting plate; 11. a pointed cone; 12. a second connecting plate; 13. a spring; 14. a chute; 15. a first flange; 16. a communicating pipe; 17. a second flange; 18. a first bolt; 19. a second bolt; 20. and a gasket.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
As shown in fig. 1 to 7, the low multiple air foam generator of the present invention comprises a foam generator body 1, a first dust screen 3, a second dust screen 4, a fixing plate 5, a fixing ring 6, a sealing cover 7, a glass gland 8, a flat glass 9, a first connecting plate 10, a pointed cone 11 and a reset mechanism, wherein a cavity is arranged inside the foam generator body 1, a feed inlet and a discharge outlet are arranged on the foam generator body 1, a venturi tube 2 is arranged at the feed inlet of the foam generator body 1, the first dust screen 3 is arranged on the foam generator body 1 and slides relatively, a plurality of sets of through holes are arranged on the first dust screen 3, the first dust screen 3 is connected with the second dust screen 4 in a sliding manner, the first dust screen 3 is arranged on the foam generator body 1 through the reset mechanism, the second dust screen 4 is fixedly arranged on the fixing plate 5, a plurality of sets of through holes are arranged on the second dust screen 4, the fixing plate 5 is installed on the foam generator body 1, the fixing ring 6 is fixedly installed on the second dustproof net 4, the sealing cover 7 is installed on the fixing ring 6, the glass gland 8 is installed on the foam generator body 1 and located at the discharge port, the flat glass 9 is installed on the glass gland 8, the first connecting plate 10 is installed on the first dustproof net 3 and located below the output end of the Venturi tube 2, and the pointed cone 11 is fixedly installed on the first connecting plate 10; when the low-multiple air foam generator does not generate foam, the through holes on the first dust screen 3 and the second dust screen 4 are not communicated, the foam mixed liquid is conveyed to the Venturi tube 2 through the feed inlet of the foam generator body 1 and is sprayed into the cavity through the Venturi tube 2, the cavity of the foam generator body 1 is in a negative pressure state under the action of the Venturi tube 2, the foam mixed liquid pushes the first connecting plate 10 positioned below the output end of the Venturi tube 2, the first connecting plate 10 drives the pointed cone 11 to move towards the discharge end, the pointed cone 11 punctures the flat glass 9, meanwhile, the first connecting plate 10 drives the first dust screen 3 to move towards the discharge end, the through holes on the second dust screen 4 are communicated with the through holes on the first dust screen 3, the outside air is conveyed into the cavity through the gap between the sealing cover 7 and the second dust screen 4, and the air and the foam mixed liquid in the cavity are mixed to generate foam, the foam of production is carried to the oil tank in through the discharge gate, after the foam production finishes, canceling release mechanical system drives first dust screen 3 and removes to the feed inlet direction, resume to the through-hole on first dust screen 3 and the second dust screen 4 not to communicate, set up flat glass 9, prevent in the oil tank interior flat time oil steam that volatilizees get into the pipeline of foam system, set up first dust screen 3 and second dust screen 4, prevent that impurity from getting into, sealed cowling 7 plays rain-proof dirt-proof effect, increase the dustproof effect of low multiple air foam generator, the foam that increases low multiple air foam generator produces the effect, the high practicality.
As a preferred example of the above embodiment, the reset mechanism includes second connecting plates 12 and springs 13, two sets of second connecting plates 12 are fixedly installed on the first dust screen 3, and four sets of springs 13 are respectively installed on the two sets of second connecting plates 12 and connected with the foam generator body 1; through above setting, after the foam production finishes, drive first dust screen 3 through the effect of spring 13 and remove to the feed inlet direction, resume to the through-hole on first dust screen 3 and the second dust screen 4 not communicate, increase the leakproofness of the inside cavity of low multiple air foam generator, improve the practicality.
As a preferred example of the above embodiment, the foam generator body 1 is provided with a plurality of sets of sliding grooves 14, and the first dust screen 3 is slidably connected with the plurality of sets of sliding grooves 14; through above setting, increase first dust screen 3's slip effect, spout 14 has played spacing effect to first dust screen 3's removal, increases the foam production effect of low multiple air foam generator, improves the practicality.
As the optimization of the above embodiment, the foam generator further comprises a first flange 15, a communication pipe 16 and a second flange 17, wherein the communication pipe 16 is fixedly installed on the oil tank, the second flange 17 is installed on the communication pipe 16, the first flange 15 is installed on the foam generator body 1, and the first flange 15 is connected with the second flange 17 through bolts; through above setting, the convenience is installed on the oil tank to low multiple air foam generator, and the installation and the dismantlement of the low multiple air foam generator of being convenient for increase the convenience, improve the practicality.
As a preference of the above embodiment, the foam generator further comprises a plurality of groups of first bolts 18, and the glass gland 8 is mounted on the foam generator body 1 through the plurality of groups of first bolts 18; through the above arrangement, the glass gland 8 is convenient to install and disassemble, convenience is improved, and practicability is improved.
As the optimization of the above embodiment, the foam generator further comprises a plurality of groups of second bolts 19, wherein the plurality of groups of second bolts 19 are installed on the fixing plate 5 and connected with the foam generator body 1; through the above arrangement, the second dust screen 4 installed on the fixing plate 5 is convenient to install and detach, convenience is improved, and practicability is improved.
As a preference of the above embodiment, a gasket 20 is further included, and the gasket 20 is installed between the first flange 15 and the second flange 17; through above setting, increase the connection effect between first flange 15 and the second flange 17, increase the seal, improve the practicality.
As a preferable example of the above embodiment, the surface of the sealing cover 7 is subjected to rust-proof spraying treatment; through above setting, increase low multiple air foam generator's life, improve the practicality.
The utility model relates to a low multiple air foam generator, when the low multiple air foam generator works, when the low multiple air foam generator does not generate foam, through holes on a first dustproof net 3 and a second dustproof net 4 are not communicated, foam mixed liquid is conveyed to a Venturi tube 2 through a feeding hole of a foam generator body 1 and is sprayed into a cavity through the Venturi tube 2, the cavity of the foam generator body 1 is in a negative pressure state due to the action of the Venturi tube 2, the foam mixed liquid pushes a first connecting plate 10 positioned below the output end of the Venturi tube 2, the first connecting plate 10 drives a pointed cone 11 to move towards a discharging hole end, the pointed cone 11 punctures flat glass 9, meanwhile, the first connecting plate 10 drives the first dustproof net 3 to move towards the discharging hole, through holes on the second dustproof net 4 are communicated with through holes on the first dustproof net 3, and outside air is conveyed into the cavity through a gap between a sealing cover 7 and the second dustproof net 4, mix the liquid with the foam in the cavity and mix and produce the foam, the foam of production is carried to the oil tank in through the discharge gate, after the foam production finishes, canceling release mechanical system drives first dust screen 3 and removes to the feed inlet direction, resume to the through-hole on first dust screen 3 and the second dust screen 4 not to communicate, set up flat glass 9, prevent in the oil tank interior flat time oil steam that volatilizees get into the pipeline of foam system, set up first dust screen 3 and second dust screen 4, prevent that impurity from getting into, sealed cowling 7 plays rain-proof dirt-proof effect.
According to the low-multiple air foam generator, the installation mode, the connection mode or the arrangement mode are common mechanical modes, and the low-multiple air foam generator can be implemented as long as the beneficial effects of the low-multiple air foam generator can be achieved; the foam generator body 1 of the low multiple air foam generator is purchased from the market, and technicians in the industry only need to install and operate the foam generator according to the attached operating instructions.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The low-multiple air foam generator is characterized by comprising a foam generator body (1), a first dust screen (3), a second dust screen (4), a fixing plate (5), a fixing ring (6), a sealing cover (7), a glass gland (8), flat glass (9), a first connecting plate (10), a pointed cone (11) and a reset mechanism, wherein a cavity is arranged inside the foam generator body (1), a feeding hole and a discharging hole are formed in the foam generator body (1), a Venturi tube (2) is arranged at the feeding hole of the foam generator body (1), the first dust screen (3) is installed on the foam generator body (1) and slides relative to the foam generator body, a plurality of groups of through holes are formed in the first dust screen (3), the first dust screen (3) is in sliding connection with the second dust screen (4), and the first dust screen (3) is installed on the foam generator body (1) through the reset mechanism, second dust screen (4) fixed mounting is on fixed plate (5), be provided with a plurality of through-holes of group on second dust screen (4), install on foam generator body (1) fixed plate (5), gu fixed ring (6) fixed mounting is on second dust screen (4), install on solid fixed ring (6) sealed cowling (7), glass gland (8) are installed on foam generator body (1) and are located the discharge gate, flat glass (9) are installed on glass gland (8), first connecting plate (10) are installed on first dust screen (3) and are located the below of venturi (2) output, point awl (11) fixed mounting is on first connecting plate (10).
2. A low multiple air foam generator according to claim 1 wherein said return means comprises second connecting plates (12) and springs (13), two sets of said second connecting plates (12) being fixedly mounted on the first dust screen (3), four sets of said springs (13) being mounted on two sets of second connecting plates (12) respectively and being connected to the foam generator body (1).
3. The low multiple air foam generator according to claim 1, wherein the foam generator body (1) is provided with a plurality of sets of sliding grooves (14), and the first dust screen (3) is slidably connected with the plurality of sets of sliding grooves (14).
4. The low multiple air foam generator according to claim 1, further comprising a first flange (15), a communication pipe (16) and a second flange (17), wherein the communication pipe (16) is fixedly installed on the oil tank, the second flange (17) is installed on the communication pipe (16), the first flange (15) is installed on the foam generator body (1), and the first flange (15) is connected with the second flange (17) through bolts.
5. A low multiple air foam generator according to claim 1 further comprising sets of first bolts (18), said glass gland (8) being mounted to the foam generator body (1) by the sets of first bolts (18).
6. A low multiple air foam generator according to claim 1 further comprising a plurality of sets of second bolts (19), said plurality of sets of second bolts (19) being mounted on the mounting plate (5) and connected to the foam generator body (1).
7. A low multiple air foam generator according to claim 1 further comprising a gasket (20), said gasket (20) being mounted between the first flange (15) and the second flange (17).
8. The low expansion air foam generator of claim 1, wherein the surface of said sealing cover (7) is treated by rust-proof spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120938830.4U CN215691208U (en) | 2021-04-30 | 2021-04-30 | Low multiple air foam generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120938830.4U CN215691208U (en) | 2021-04-30 | 2021-04-30 | Low multiple air foam generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215691208U true CN215691208U (en) | 2022-02-01 |
Family
ID=80030583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120938830.4U Active CN215691208U (en) | 2021-04-30 | 2021-04-30 | Low multiple air foam generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215691208U (en) |
-
2021
- 2021-04-30 CN CN202120938830.4U patent/CN215691208U/en active Active
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