CN216258827U - Low-power foam gun with multiple doors - Google Patents

Abstract

The utility model provides an integrated multi-door low-power foam gun which is characterized by comprising the following components: at least two low-power foam gun heads, a connecting piece, a gun body and a gun seat; wherein one end of the gun body comprises a universal interface, and the other end of the gun body comprises a water inlet; the connecting piece comprises a first interface and at least two second interfaces; the universal interface is detachably connected with the first interface, and the interface of the low-power foam gun head is detachably connected with the second interface. Compared with the existing fire-fighting foam monitor, the utility model is convenient to disassemble, realizes an integrated multi-door monitor and greatly reduces the pressure of fire fighters in transporting fire-fighting equipment.

Description

Low-power foam gun with multiple doors

Technical Field

The utility model relates to a fire-fighting article, in particular to an integrated multi-door low-power foam gun.

Background

The principle of the foam gun for fire fighting is that fire fighting water with certain pressure is mixed with foam liquid through a foam proportion mixing device to form foam mixed liquid with certain proportion, and the foam mixed liquid is sprayed out through a nozzle to form air foam so as to achieve the fire fighting effect. The foam mixed liquid is expanded by volume after being sucked into air, and the foam cannons are divided into low-power foam cannons (the expansion ratio is lower than 20 times), medium-power foam cannons (the expansion ratio is 20-200 times) and high-power foam cannons (the expansion ratio is 200-1000 times). The foam cannons with different multiples are suitable for different types of fire. In order to realize different gun firing multiples, besides the adjustment of the foaming agent components, the gun structure is also greatly different.

The existing fire-fighting foam cannon is not only provided with one cannon in any kind, but also is provided with a plurality of single-door fire-fighting foam cannons which are required to be moved to aim at an ignition source target in a fire scene with large fire intensity because the foam jetted by the single-door foam cannon can not achieve the fire-fighting effect. And fire fighters carry many equipment simultaneously in the fire rescue for defeated, the cost greatly increased who switches the fire-fighting equipment.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the object of the present invention is to provide an integral multiple-door low-power foam cannon, characterized in that it comprises: at least two low-power foam gun heads, a connecting piece, a gun body and a gun seat; wherein one end of the gun body comprises a universal interface, and the other end of the gun body comprises a water inlet; the connecting piece comprises a first interface and at least two second interfaces; the universal interface is detachably connected with the first interface, and the interface of the low-power foam gun head is detachably connected with the second interface.

Preferably, in the integrated multi-door low-power foam gun, in the detachable connection, the outer wall of the universal interface is provided with a screw thread; the outer wall of the first interface end part of the connecting piece is sleeved with a fastening nut, and the fastening nut can slide along the outer wall of the first interface end part in a non-assembly state; a limiting plate is further arranged on the outer wall, close to the end part, of the first interface; the limiting plate can limit the sliding of the fastening nut; the inner wall of the fastening nut is provided with threads; the thread may cooperate with the thread.

Preferably, in the integral multi-door low-power foam cannon, in the detachable connection, an end of the first interface is provided with an inclination angle.

Preferably, in the integrated multi-door low-power foam gun, the inner wall of the universal interface is provided with an elastic latch; the outer wall of the first interface is provided with a bulge and an L-shaped dismounting ring; the thickness of the detaching ring is equal to or slightly greater than the height of the protrusion.

Preferably, in the integral multi-door low-power foam gun, a first clamping groove is formed in the end portion of the universal interface, and a plurality of first notches are formed in the side wall, facing the first interface, of the first clamping groove; the end part of the first interface is provided with a plurality of first clamping teeth matched with the clamping grooves and the notches.

Preferably, in the integral multi-door low-power foam gun, a second clamping groove is formed in the end portion of the first interface, and a plurality of second notches are formed in the side wall, facing the universal interface, of the second clamping groove; and the end part of the universal interface is provided with a second latch.

Preferably, in the integral multi-door low-power foam gun, the connecting piece is a 3-way, 4-way or 5-way adapter.

Preferably, in the above integrated multi-door low-power foam gun, the water inlet is divided into two paths, 3 paths or 4 paths

Drawings

FIG. 1 is a perspective view of one embodiment of the present invention;

FIG. 2 is a cross-sectional view of a first embodiment of a releasable connection between a first port of a coupling and a barrel;

FIG. 3 is a cross-sectional view of a second embodiment of a releasable connection between the first port of the coupling and the barrel;

figure 4 is a cross-sectional view of a third embodiment of a releasable connection between the first mouth of the coupling and the barrel.

Detailed Description

The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.

Refer now to the drawings. It should be noted that the drawings provided in the present embodiment are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated. Unless otherwise specified, terms used herein such as "upper", "lower", "left", "right", and the like, which refer to orientations, are all referenced from the perspective of an observer of the drawings.

Reference is first made to fig. 1. Fig. 1 is a perspective view showing an embodiment of the present invention, which includes a gun body 1, a gun seat 2, a three-way connector 3 and a gun head 4. Wherein the gun body 1 comprises a universal interface 11 (see figure 2), and a water inlet 12. The universal interface 11 and the first interface (interface 31) of the three-way connection 3 are arranged in a detachable connection, and the structural details of the connection refer to fig. 2. Fig. 2 is an enlarged sectional view of the detachable connection structure. The reference number 11 indicates the universal interface of the gun body, on the outer wall of which there are provided threads 45. The fastening nut 41 is fitted over the outer wall of the port 31 of the three-way adapter 3, and in a non-assembled state, it can slide along the outer wall of the port 31 in the left-right direction. The three-way adapter 3 is further provided with a limit plate 42 on the outer wall near the end. In the position of fig. 3, the right-hand protrusion in the nut 41 is blocked by the limit plate 42 and can no longer slide further to the left. The inner wall of the nut 41 is provided with threads which cooperate with the thread 45. A sealing groove 43 is arranged on the outer wall of the interface 31 and between the limiting plate and the end part, and an annular sealing ring is arranged in the groove. Alternatively, the sealing groove may also be provided on the inner wall of the universal interface 11. Preferably, the end of the interface 31 is also provided with an inclination 44.

During the equipment, insert the interface 31 of adapter 3 earlier in general interface 11, the slip setting of fastening nut 41 can guarantee to insert the in-process, and nut 41 can not block operating personnel's sight, convenient operation. According to a preferred embodiment, the angle of inclination 44 is such that the operator can insert the interface 31 of the adapter 3 into the universal interface 11 more easily and quickly. After the interface 31 is inserted into the universal interface 11, the fastening nut 41 is moved and rotated leftwards, so that the thread 45 is screwed into the thread on the outer wall of the gun body 1, the adapter 3 is fixed on the gun body 1 under the combined action of the nut 41, the thread and the limiting plate 42, and the adapter 3 and the universal interface 11 are watertight due to the action of the sealing ring.

Regarding the connection between the adapter 3 and the universal interface 11, the present invention further provides a second embodiment as shown in fig. 3. The inner wall of the universal interface 11 is provided with a groove 13 and an elastic latch 12, and a sealing ring is arranged in the groove 13. The outer wall of the end part of the adapter interface 31 is provided with a bulge 31 and an L-shaped dismounting ring 32, and the thickness of the dismounting ring 32 is equal to or slightly larger than the height of the bulge 31. During the installation, push universal interface 11 with adapter 3 left, elasticity latch 12 is the biasing upwards, continues to promote adapter 3 until elasticity latch 12 crosses bellied 31 rightmost side, and latch 12 resets to locking adapter 3, and the kneck of adapter 3 sets up the sealing washer, realizes water-stop. When the adapter is disassembled, the disassembling ring 32 is pushed leftwards, the elastic latch 12 is upwards biased by the horizontal part of the disassembling ring 32, so that the bulge 31 is unlocked, the adapter 3 is pulled rightwards at the moment, and the disassembly can be completed.

As for the connection between the adapter 3 and the universal interface 11, the present invention further provides a second embodiment as shown in fig. 4. The end part of the universal interface 11 is provided with a clamping groove 13, and the side wall of the clamping groove 13 facing the gun head is provided with a plurality of notches 12. The interface 31 of the adapter 3 is provided with a plurality of latch teeth 32 which are matched with the card slots 11 and the notches 12. During installation, the latch 32 is inserted into the notch 12, and then the adapter 3 is rotated in the direction of A in the drawing, so that the latch 32 slides into the slot 13 to complete locking; during disassembly, the adapter 3 is rotated in the direction opposite to the direction A, and the latch 32 is taken out of the notch 12, so that the disassembly is completed. Preferably, as in this example, the bayonet 14 is also arranged at the end of the gun body 1, and the adapter 3 end may be provided with a slot and a notch similar to the end of the gun body 1, so that after installation, the bayonet of the adapter 3 is engaged with the slot of the universal interface 11, and at the same time, the bayonet of the universal interface 11 is engaged with the slot of the adapter 3, so that the locking is more reliable.

The three-way adapter 3 further comprises two further interfaces 32 and 33, and the interfaces 32 and 33 with the gun head 4 can adopt any one of the three detachable connections. As will be appreciated by those skilled in the art: three adapter 3 can trade 4 leads to 5 even adapters to two or even a plurality of low-power foam big gun heads are connected simultaneously to a big gun physical stamina, realize integrative many doors low-power foam big gun. In order to provide sufficient water pressure and quantity to the multi-door foam gun head 4, the water inlet 12 of the gun body 1 can be preferably arranged in two, three or even multiple ways.

It should be noted that, in the three interface modes, the positions of the universal interface and the adapter interface may be interchanged, for example, in the first connection mode, the fastening nut 41 may be disposed at the end of the universal interface 1; in the second connection mode, the inner wall of the adapter interface 31 is replaced by a latch. Such interchange should be considered as an equivalent to the preferred embodiment described above.

In conclusion, compared with the existing fire-fighting foam monitor, the integrated foam monitor is convenient to disassemble, realizes the integrated multiple monitors, and greatly reduces the pressure of fire fighters in transporting fire-fighting equipment.

The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (8)

1. The utility model provides an integrative low time foam big gun of many doors which characterized in that includes:

at least two low-power foam gun heads, a connecting piece, a gun body and a gun seat;

wherein one end of the gun body comprises a universal interface, and the other end of the gun body comprises a water inlet; the connecting piece comprises a first interface and at least two second interfaces;

the universal interface is detachably connected with the first interface, and the interface of the low-power foam gun head is detachably connected with the second interface.

2. The integrated multi-door low-power foam cannon according to claim 1, wherein in the detachable connection, the universal interface is provided with screw threads on the outer wall; the outer wall of the first interface end part of the connecting piece is sleeved with a fastening nut, and the fastening nut can slide along the outer wall of the first interface end part in a non-assembly state; a limiting plate is further arranged on the outer wall, close to the end part, of the first interface; the limiting plate can limit the sliding of the fastening nut; the inner wall of the fastening nut is provided with threads; the thread may cooperate with the thread.

3. The integrated multi-door low power foam cannon of claim 2, wherein in the removable connection, the end of the first interface is angled.

4. The integrated multi-door low-power foam cannon according to claim 1, wherein the inner wall of the universal interface is provided with elastic latch teeth; the outer wall of the first interface is provided with a bulge and an L-shaped dismounting ring; the thickness of the detaching ring is equal to or slightly greater than the height of the protrusion.

5. The integrated multi-door low-power foam cannon according to claim 1, wherein a first clamping groove is arranged at the end part of the universal interface, and a plurality of first notches are arranged on the side wall of the first clamping groove facing to the first interface; the end part of the first interface is provided with a plurality of first clamping teeth matched with the clamping grooves and the notches.

6. The integrated multi-door low-power foam cannon according to claim 5, wherein a second clamping groove is formed at the end part of the first interface, and a plurality of second notches are formed in the side wall, facing the universal interface, of the second clamping groove; and the end part of the universal interface is provided with a second latch.

7. The integrated multi-door low power foam cannon of claim 1, wherein the connector is a 3-way, or 4-way, or 5-way adapter.

8. The integrated multi-door low-power foam cannon according to claim 1, wherein the water inlet is two-way, three-way or 4-way.

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