CN211986748U

CN211986748U - Foam generator

Info

Publication number: CN211986748U
Application number: CN201922097323.8U
Authority: CN
Inventors: 戴香莲; 曹俊; 徐旭明; 邹仁俊
Original assignee: Jiangsu Taiyang Fire Equipment Co ltd
Current assignee: Jiangsu Taiyang Fire Equipment Co ltd
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-11-24
Anticipated expiration: 2029-11-29

Abstract

The utility model belongs to the technical field of fire-fighting equipment, concretely relates to foam generator, the novel nipple rectifier comprises a cylindrical shel, the one end cover of barrel is equipped with first foaming net, the other end of barrel is provided with foaming liquid injection apparatus, the tip of barrel is provided with the second foaming net, the second foaming net is located the outside of first foaming net, be provided with the adjusting device who is used for rotating the second foaming net on the second foaming net. The foam generator has the advantages that the mesh size of the first foam net is adjusted, the volume of foam is increased, the consumption of foam liquid can be saved, and the using efficiency and the using effect of the foam liquid can be improved.

Description

Foam generator

Technical Field

The utility model belongs to the technical field of fire-fighting equipment, concretely relates to foam generator.

Background

The foam generator, also called air foam generator, is a fire extinguishing apparatus fixedly installed on an oil tank for generating and spraying air foam. When the foam mixed liquid flow supplied by the fixed fire pump of the foam fire fighting truck passes through the generator through the conveying pipeline, air foam is formed, and oil fire is extinguished. The foam generator mixes the foam mixed liquid with the sucked air, foams to generate foam, and sprays the generated foam on the surface of the combustion liquid to form a foam layer, isolate the air and absorb heat, thereby extinguishing the fire.

In the prior art, under the condition of a certain foaming proportion, the consumption of foam concentrate needs to be increased in order to increase the volume of foam, so that the structure of the foam generator needs to be improved, the cost is increased, the weight of the foam generator is increased, and the foam generator is inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a foam generator to solve the technical problem that foam generator among the prior art can't adjust the foam volume as required.

In order to solve the technical problem, the utility model provides a foam generator, which comprises a cylinder body, wherein one end of the cylinder body is covered with a first foaming net, the other end of the cylinder body is provided with a foaming liquid injection device,

the tip of barrel is provided with the second foaming net, the second foaming net is located the outside of first foaming net, be provided with the adjusting device who is used for rotating the second foaming net on the second foaming net.

Further: the adjusting device comprises an extension block, a connecting block and a clamping block;

the extension block is fixed on the outer circumference of the second foaming net, a waist-shaped hole which is used for the extension block to penetrate out and slide is formed in the barrel, the connecting block is vertically fixed on the connecting block, elastic clamping grooves are formed in two ends of the connecting block respectively, and a clamping block which is connected with the elastic clamping grooves in a clamped mode is fixedly arranged on the outer circumference of the barrel.

Further: and a sealing ring is arranged in the waist-shaped hole.

Further: and a flange is arranged at one end of the shell close to the foaming device.

Further: the top fixedly connected with motor of flange, fixedly connected with pivot on the rotor of motor, fixedly connected with flabellum in the pivot, the flabellum is close to first foaming net.

Further: the middle part of pivot sets up the dead slot, the dead slot is towards first foaming net, the outside fixedly connected with of pivot and the rotary joint of dead slot intercommunication, the last hose that is connected with of rotary joint.

The beneficial effects of the utility model are that, the utility model discloses a foam generator changes the position of second foaming net for first foaming net through adjusting device to make the mesh size of first foaming net can adjust, can increase the volume that produces the foam to a certain extent, not only can save the quantity of foam liquid, can also improve the availability factor of foam liquid.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a cross-sectional view of a preferred embodiment of the foam generator of the present invention;

fig. 2 is a left side view of a preferred embodiment of the adjustment device of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1.

In the figure:

1. a barrel; 2. a first foam web; 3. a second foamed web; 4. an adjustment device; 41. an extension block; 42. connecting blocks; 43. a clamping block; 44. a kidney-shaped hole; 45. an elastic clamping groove; 5. a seal ring; 6. a flange; 7. a motor; 71. a rotating shaft; 72. a fan blade; 8. a rotary joint; 9. a hose.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

FIG. 1 is a schematic diagram of a preferred embodiment of the foam generator of the present invention;

as shown in fig. 1, the present embodiment provides a foam generator, which includes a cylinder 1, wherein one end of the cylinder 1 is provided with a first foaming net 2, and the other end of the cylinder 1 is provided with a foaming liquid spraying device.

Fig. 1 is an alternative cross-sectional view of a second foam web 3 of the present invention;

optionally, the end of the cylinder 1 is provided with a second foaming net 3, the second foaming net 3 is located outside the first foaming net 2, and the second foaming net 3 is provided with an adjusting device 4 for rotating the second foaming net 3. The second foaming net 3 is rotated through the adjusting device 4, so that the pore diameters of the second foaming net 3 and the first foaming net 2 are partially overlapped, the pore diameter is changed, the volume of generated foam can be increased to a certain degree, the using amount of foam liquid can be saved, and the using efficiency of the foam liquid can be improved.

Fig. 2 is an alternative left side view of the adjusting device 4 of the present invention;

optionally, the adjusting device 4 includes an extension block 41 fixed on the outer circumference of the second foaming net 3, a connection block 42 vertically fixed on the extension block 41, and elastic clamping grooves 45 fixed on both ends of the connection block 42. Waist-shaped holes 44 for the extension blocks 41 to penetrate out and form the slide ways are formed in the barrel body 1, and clamping blocks 43 clamped with the elastic clamping grooves 45 are fixedly connected to the outer circumference of the barrel body 1. When adjusting device 4 used, rotating connecting block 42 for extension piece 41 removes in waist type hole 44, and then drives second foaming net 3 and rotates, and second foaming net 3 coincides with the aperture of first foaming net 2, has changed the aperture of first foaming net 2, then makes elasticity draw-in groove 45 joint on joint piece 43, and the aperture of first foaming net 2 diminishes, can increase the volume that produces the foam, has saved the quantity of foam liquid.

As shown in fig. 3, the seal ring 5 is arranged in the waist-shaped hole 44, and the seal ring 5 prevents the foam from leaking from the waist-shaped hole 44, thereby improving the sealing performance of the foam generator.

FIG. 1 is an alternative front view of a fan blade 72 of the present invention;

optionally, one end of the cylinder 1 close to the foaming device is fixedly connected with a flange 6 through a screw, a motor 7 is fixedly connected above the flange 6, and the motor 7 is located in the middle of the flange 6. A rotor of the motor 7 is fixedly connected with a rotating shaft 71, the rotating shaft 71 is fixedly connected with a fan blade 72, and the fan blade 72 is close to the first foaming net 2. The motor 7 drives the fan blades 72 to rotate, so that air is sucked into the cylinder 1 to collide with foaming liquid, and the foaming ratio is greatly improved.

As shown in fig. 1, a hollow groove is formed in the middle of the rotating shaft 71, the hollow groove faces the first foaming net 2, a rotary joint 8 communicated with the hollow groove is fixedly connected to the outside of the rotating shaft 71, and a hose 9 is connected to the rotary joint 8. The foaming liquid can be conveyed to the empty groove of the rotating shaft 71 through the hose 9 and then enters the cylinder 1, so that the foaming liquid is sprayed out of the first foaming net 2.

In view of the above, it is desirable to provide,

when the foam generator is used, the hose 9 conveys the foaming liquid to the empty groove of the rotating shaft 71, and then the foaming liquid enters the cylinder body 1 and is sprayed out of the first foaming net 2. When the volume of foam needs to be increased, the extension block 41 is rotated, so that the second foaming net 3 is rotated, the aperture of the first foaming net 2 is changed, the elastic clamping groove 45 is clamped on the clamping block 43, the second foaming net 3 is fixed, the smaller the aperture of the first foaming net 2 is, and the more the volume of the foam is. When the motor 7 works, the rotating shaft 71 is driven to rotate, so that the fan blades 72 rotate, air is sucked into the cylinder 1 to collide with foaming liquid, and the foaming ratio is greatly improved.

All the parts of the devices selected in the present application are general standard parts or parts known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.

In the description of the embodiments of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways, and the above-described apparatus embodiments are merely illustrative.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a foam generator, includes barrel (1), the one end cover of barrel (1) is equipped with first foaming net (2), the other end of barrel (1) is provided with foaming liquid injection apparatus, characterized by:

the end part of the cylinder body (1) is provided with a second foaming net (3), the second foaming net (3) is positioned on the outer side of the first foaming net (2), and an adjusting device (4) used for rotating the second foaming net (3) is arranged on the second foaming net (3).

2. A foam generator as claimed in claim 1, wherein:

the adjusting device (4) comprises an extension block (41), a connecting block (42) and a clamping block (43);

extend piece (41) and fix on the outer circumference of second foaming net (3), offer on barrel (1) and supply to extend piece (41) and wear out and gliding waist type hole (44), connecting block (42) vertical fixation is on connecting block (42), the both ends of connecting block (42) are provided with elasticity draw-in groove (45) respectively, joint piece (43) of fixedly connected with and elasticity draw-in groove (45) joint on the outer circumference of barrel (1).

3. A foam generator as claimed in claim 2, wherein:

and a sealing ring (5) is arranged in the waist-shaped hole (44).

4. A foam generator as claimed in claim 1, wherein:

and a flange (6) is arranged at one end of the cylinder body (1) close to the foaming device.

5. The foam generator as set forth in claim 4, wherein:

the top fixedly connected with motor (7) of flange (6), fixedly connected with pivot (71) on the rotor of motor (7), fixedly connected with flabellum (72) on pivot (71), flabellum (72) are close to first foaming net (2).

6. The foam generator as set forth in claim 5, wherein:

the middle part of pivot (71) sets up the dead slot, the dead slot is towards first foaming net (2), the outside fixedly connected with of pivot (71) and rotary joint (8) of dead slot intercommunication, be connected with hose (9) on rotary joint (8).