CN218076086U - Self-suction foam water gun for backpack forest pump - Google Patents
Self-suction foam water gun for backpack forest pump Download PDFInfo
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- CN218076086U CN218076086U CN202221698673.5U CN202221698673U CN218076086U CN 218076086 U CN218076086 U CN 218076086U CN 202221698673 U CN202221698673 U CN 202221698673U CN 218076086 U CN218076086 U CN 218076086U
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Abstract
The utility model provides a backpack forest pump is with inhaling formula foam squirt certainly belongs to fire-fighting equipment technical field, and it has solved current backpack foam squirt and can not dismantle, is difficult for carrying technical problem such as bear. This backpack forest pump is with inhaling formula foam squirt, the foam squirt includes the rifle head through hosepipe and pump intercommunication in proper order along the liquid jet direction, the hybrid tube of being connected with the rifle head, diffusion head with the hybrid tube is connected, the barrel of being connected with the diffusion head, the one end and the hosepipe headgear of rifle head connect, the other end of rifle head cup joints in the one end of hybrid tube, round arc slot has been seted up on the other end of rifle head along its outer fringe face, set up the spacing hole of inside lining up on the one end outer fringe face of hybrid tube, spacing downthehole being provided with can pivoted steel ball, spacing downthehole end cap that is provided with, the end cap can with steel ball looks butt, foam liquid import has on the outer fringe face of hybrid tube. The utility model has the advantages of convenient installation, disassembly and carrying.
Description
Technical Field
The utility model belongs to the technical field of fire-fighting equipment, a foam squirt is related to, especially a backpack forest pump is with inhaling formula foam squirt certainly.
Background
At present, natural fire disasters in forests frequently occur, and in order to timely arrive at a scene to extinguish the fire, firemen often use backpack foam water guns to timely fight the fire.
In the prior art, the backpack foam water gun is used as a conventional fire extinguishing tool for firemen, and still has the problems of long size, large volume, incapability of disassembly and difficulty in carrying and carrying.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a backpack forest pump is with inhaling formula foam squirt, can not take place the winding phenomenon when this foam squirt uses, flexible, satisfied the convenience of installation, dismantlement, carrying, convenient to use.
The purpose of the utility model can be realized by the following technical proposal:
backpack forest pump is with inhaling formula foam squirt, the foam squirt includes the rifle head through hosepipe and pump intercommunication, the hybrid tube of being connected with the rifle head, the diffusion head of being connected with the hybrid tube, the barrel of being connected with the diffusion head in proper order along the liquid jet direction, its characterized in that, the one end and the hosepipe headgear of rifle head connect, and the other end of rifle head cup joints in the one end of hybrid tube, and the other end of rifle head has seted up round arc slot on its outer fringe face, has seted up the spacing hole of inwards lining up on the one end outer fringe face of hybrid tube, and spacing downthehole being provided with can pivoted steel ball, steel ball and arc slot looks adaptation, spacing downthehole end cap that is provided with, end cap can with steel ball looks butt, have the foam liquid import on the outer fringe face of hybrid tube.
The utility model discloses a theory of operation: when the foam fire extinguishing gun is used, the gun head is communicated with the pump through the water belt, the foam liquid inlet is communicated with the forest fire fighting backpack through the pipeline, the pump is started, a water source is sucked by the pump and converted into high-pressure water which is sent into the water belt, when the high-pressure water in the water belt reaches the diffusion head through the gun head, the water pressure in the mixing pipe is instantly increased according to the Venturi effect, so that certain vacuum can be formed between the gun head and the diffusion head, namely the vacuum is generated in the mixing pipe, so that negative pressure is generated in the foam liquid inlet, under the action of the negative pressure, foam in the backpack can be automatically pumped into the mixing pipe and finally sprayed out from the spray opening of the gun pipe along with the water flow, and therefore foam fire extinguishing is performed on a fire area.
In the utility model, when water flow reaches the diffusion head through the gun head by using the Venturi principle, negative pressure is generated in the mixing pipe, and foam concentrate is imported into the mixing pipe through the foam concentrate and mixed with the water flow, so that high-pressure foam concentrate is generated to carry out foam fire extinguishing on a fire area; the joint of the mixing pipe and the gun head adopts steel balls, so that the water belt cannot be wound when in use; the foam liquid inlet can be connected with a forest fire-fighting backpack, so that the forest fire-fighting backpack is more flexible; the components of the gun body are connected in a sleeved mode and can be disassembled into a plurality of components for assembly, so that the convenience of installation, disassembly and carrying is met; the gun body is not provided with a handle, and when the gun is used, the gun can be directly sprayed by hands, so that the gun is convenient and practical.
The other end of the mixing tube is sleeved with one end of the diffusion head, the other end of the diffusion head is sleeved with one end of the gun barrel, and the other end of the gun barrel is provided with a jet orifice.
The barrel is provided with a vent hole, and the vent hole is provided with a sealing plug.
The barrel is integrally formed.
By adopting the structure, the foam water gun is assembled by being split into a plurality of parts, so that the convenience of installation, disassembly and carrying is met; the vent hole is formed in the gun barrel, the sealing plug is arranged, when the jet orifice is blocked, the sealing plug is opened, the pressure of the gun barrel is relieved through the vent hole, the gun barrel is convenient to disassemble, and the blockage is cleaned; the barrel integrated into one piece is more firm reliable.
The gun barrel is divided into two sections, namely a gun barrel I and a gun barrel II, the gun barrel is sleeved on the diffusion head, and the gun barrel is sleeved on the gun barrel I.
The barrel I is provided with an air vent, and a sealing plug is arranged on the air vent.
By adopting the structure, the gun barrel is divided into the first gun barrel and the second gun barrel, the size of the gun barrel can be shortened when the gun barrel is carried, and the second gun barrel can be disassembled and replaced into a new gun barrel or other types according to specific conditions when the gun barrel is used; through set up the air vent and set up the sealing plug on barrel one, when barrel two exists the jam, open the sealing plug, unload the pressure of barrel through the air vent, conveniently dismantle the barrel, the clearance is blockked up.
The foam liquid inlet is communicated with a forest fire-fighting backpack.
By adopting the structure, the foam liquid inlet is communicated with the forest fire-fighting backpack through the pipeline, so that the use is more flexible.
The limiting hole is a threaded hole, and the plug is connected in the limiting hole in a threaded mode.
By adopting the structure, the plug is in threaded connection in the limiting hole, so that the plug is more compact and reliable and cannot be loosened.
The diameter of the steel ball is smaller than or equal to the inner diameter of the thread of the limiting hole, and preferably, the diameter of the steel ball is the same as the inner diameter of the thread of the limiting hole.
By adopting the structure, the diameter of the steel ball is the same as the inner diameter of the thread of the limiting hole, and the running of the steel ball can be limited, so that the steel ball can have a larger contact surface with the arc-shaped groove in rotation, and the stability of the rotation of the gun head in the mixing pipe is ensured.
Compared with the prior art, this backpack forest pump is with inhaling formula foam squirt gun certainly has following advantage:
in the utility model, when water flow reaches the diffusion head through the gun head by using the Venturi principle, negative pressure is generated in the mixing pipe, and foam liquid is imported into the mixing pipe through the foam liquid and mixed with the water flow, so that high-pressure foam liquid is generated to carry out foam fire extinguishing on a fire area; the joint of the mixing pipe and the gun head adopts steel balls, so that the water belt cannot be wound when in use; the foam liquid inlet can be connected with a forest fire-fighting backpack, so that the forest fire-fighting backpack is more flexible; the components of the gun body are connected in a sleeved mode and can be disassembled into a plurality of components for assembly, so that the convenience of installation, disassembly and carrying is met; the gun body is not provided with a handle, and when the gun is used, the gun can be directly sprayed by hands, so that the gun is convenient and practical.
Drawings
Fig. 1 is a schematic plan view of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
In the figure, 1, a gun barrel II; 2. a first gun barrel; 3. a diffusion head; 4. a foam liquid inlet; 5. a mixing tube; 6. steel balls; 7. a lance tip.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
The first embodiment is as follows:
as shown in fig. 1-2, this embodiment provides a self-priming foam water gun for a backpack forest pump, which includes a pump for delivering water, a water gun capable of ejecting foam, and a backpack for storing foam, the water gun sequentially includes a gun head 7 connected to the pump through a water hose, a mixing tube 5 connected to the gun head 7, a diffusion head 3 connected to the mixing tube 5, and a gun barrel connected to the diffusion head 3 along a liquid ejection direction, one end of the gun head 7 is sleeved to the water hose, the other end of the gun head 7 is sleeved in one end of the mixing tube 5, the other end of the gun head 7 is provided with a circle of arc-shaped groove along its outer edge surface, an inward-through limiting hole is provided on an outer edge surface of one end of the mixing tube 5, a rotatable steel ball 6 is provided in the limiting hole, the steel ball 6 is adapted to the arc-shaped groove, a plug is provided in the limiting hole and can abut against the steel ball 6, and a foam liquid inlet 4 is provided on the outer edge surface of the mixing tube 5; the water hose, the gun head 7, the mixing pipe 5, the diffusion head 3 and the gun barrel are all sequentially sleeved in the prior art, and other ways which are skilled in the art and can be used for connection and play a role in sealing, such as threaded sealing connection and the like, can also be adopted.
The utility model discloses a theory of operation: when the device is used, the gun head 7 is communicated with a pump through a water belt, the foam liquid inlet 4 is communicated with a forest fire-fighting knapsack through a pipeline, the pump is started to suck a water source and convert the water source into high-pressure water to be sent into the water belt, when the high-pressure water in the water belt reaches the diffusion head 3 through the gun head 7, the water pressure in the mixing pipe 5 is instantly increased according to the Venturi effect, certain vacuum is formed between the gun head 7 and the diffusion head 3, namely the mixing pipe 5 is internally vacuumized, so that negative pressure is generated in the foam liquid inlet 4, the foam in the knapsack is automatically pumped into the mixing pipe 5 under the action of the negative pressure and is finally sprayed out from a spray opening of a gun barrel along with water flow, and accordingly, the fire area is subjected to foam fire extinguishing.
In the utility model, when water flow reaches the diffusion head 3 through the gun head 7 by using the Venturi principle, negative pressure is generated in the mixing pipe 5, and foam liquid is mixed with the water flow from the mixing pipe 5 to the foam liquid inlet 4, so that high-pressure foam liquid is generated to carry out foam fire extinguishing on a fire area; the steel ball 6 is adopted at the joint of the mixing pipe 5 and the gun head 7, so that the water band is not wound when in use; the foam liquid inlet 4 can be connected with a forest fire-fighting backpack, so that the forest fire-fighting backpack is more flexible; the components of the gun body are connected in a sleeved mode and can be disassembled into a plurality of components for assembly, so that the convenience of installation, disassembly and carrying is met; the gun body is not provided with a handle, and when the gun is used, the gun can be directly sprayed by hands, so that the gun is convenient and practical.
The other end of the mixing tube 5 is sleeved with one end of the diffusion head 3, the other end of the diffusion head 3 is sleeved with one end of the gun tube, and the other end of the gun tube is provided with a jet orifice; the barrel is provided with a vent hole, and a sealing plug is arranged on the vent hole; the gun barrel is integrally formed; by adopting the structure, the foam water gun is assembled by being split into a plurality of parts, so that the convenience of installation, disassembly and carrying is met; the vent hole is formed in the gun barrel, the sealing plug is arranged, when the jet orifice is blocked, the sealing plug is opened, the pressure of the gun barrel is relieved through the vent hole, the gun barrel is convenient to disassemble, and the blockage is cleaned; the barrel I2 body is formed more firmly and reliably.
The foam liquid inlet 4 is communicated with a forest fire-fighting backpack; by adopting the structure, the foam liquid inlet 4 is communicated with the forest fire-fighting backpack through a pipeline, so that the use is more flexible.
The limiting hole is a threaded hole, and the plug is in threaded connection with the limiting hole; by adopting the structure, the plug is in threaded connection in the limiting hole, so that the plug is more compact and reliable and cannot be loosened.
The diameter of the steel ball 6 is smaller than or equal to the inner diameter of the thread of the limiting hole, preferably, the diameter of the steel ball 6 is the same as the inner diameter of the thread of the limiting hole; by adopting the structure, the diameter of the steel ball 6 is the same as the inner diameter of the thread of the limiting hole, and the running of the steel ball 6 can be limited, so that the steel ball can have a larger contact surface with the arc-shaped groove in rotation, and the rotating stability of the gun head 7 in the mixing pipe 5 is ensured.
Example two:
the difference between this embodiment and the first embodiment lies in the difference of the barrel structure, specifically lies in:
the gun barrel is divided into two sections, namely a gun barrel I2 and a gun barrel II 1, the gun barrel I2 is sleeved on the diffusion head 3, and the gun barrel II 1 is sleeved on the gun barrel I2; a vent hole is formed in the barrel I2, and a sealing plug is arranged on the vent hole; by adopting the structure, the gun barrel is divided into the first gun barrel 2 and the second gun barrel 1, the size of the gun barrel can be shortened when the gun barrel is carried, and the second gun barrel 1 can be detached and replaced into a new gun barrel or other types according to specific conditions when the gun barrel is used; through set up the air vent and set up the sealing plug on barrel one 2, when barrel two 1 exists the jam, open the sealing plug, unload the pressure of barrel through the air vent, conveniently dismantle the barrel, the clearance is blockked up.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (9)
1. Backpack forest pump is with inhaling formula foam squirt, the foam squirt includes the rifle head through hosepipe and pump intercommunication, the hybrid tube of being connected with the rifle head, the diffusion head of being connected with the hybrid tube, the barrel of being connected with the diffusion head in proper order along the liquid jet direction, its characterized in that, the one end and the hosepipe headgear of rifle head connect, and the other end of rifle head cup joints in the one end of hybrid tube, and the other end of rifle head has seted up round arc slot on its outer fringe face, has seted up the spacing hole of inwards lining up on the one end outer fringe face of hybrid tube, and spacing downthehole being provided with can pivoted steel ball, steel ball and arc slot looks adaptation, spacing downthehole end cap that is provided with, end cap can with steel ball looks butt, have the foam liquid import on the outer fringe face of hybrid tube.
2. The self-priming foam water gun for the backpack forest pump as claimed in claim 1, wherein the other end of the mixing tube is sleeved with one end of a diffusion head, the other end of the diffusion head is sleeved with one end of a gun tube, and the other end of the gun tube is provided with a jet orifice.
3. The self-priming foam water gun for the backpack forest pump as claimed in claim 1, wherein a vent hole is formed in the barrel, and a sealing plug is arranged on the vent hole.
4. The self-priming foam water gun for the backpack forest pump as claimed in claim 1 or 3, wherein the gun barrel is integrally formed.
5. The self-priming foam water gun for the backpack forest pump as claimed in claim 1, wherein the gun barrel is divided into two sections, namely a first gun barrel and a second gun barrel, the first gun barrel is sleeved on the diffusion head, and the second gun barrel is sleeved on the first gun barrel.
6. The self-priming foam water gun for the backpack forest pump as claimed in claim 5, wherein a vent hole is formed in the first gun barrel, and a sealing plug is arranged on the vent hole.
7. The self-priming foam water gun for the backpack forest pump as claimed in claim 1, wherein the foam liquid inlet is communicated with a forest fire-fighting backpack.
8. The self-priming foam water gun for the backpack forest pump as claimed in claim 1, wherein the limiting hole is a threaded hole, and the plug is in threaded connection with the limiting hole.
9. The self-priming foam water gun for the backpack forest pump as claimed in claim 1, wherein the diameter of the steel ball is smaller than or equal to the inner diameter of the thread of the limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221698673.5U CN218076086U (en) | 2022-06-30 | 2022-06-30 | Self-suction foam water gun for backpack forest pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221698673.5U CN218076086U (en) | 2022-06-30 | 2022-06-30 | Self-suction foam water gun for backpack forest pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218076086U true CN218076086U (en) | 2022-12-20 |
Family
ID=84478735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221698673.5U Active CN218076086U (en) | 2022-06-30 | 2022-06-30 | Self-suction foam water gun for backpack forest pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218076086U (en) |
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2022
- 2022-06-30 CN CN202221698673.5U patent/CN218076086U/en active Active
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