Fire-fighting gun head and gun body using gun head

Abstract

The utility model provides a fire-fighting gun head and a gun body using the same, the fire-fighting gun head comprises a liquid spraying head, a water flow channel and a clear water pipe connector are arranged in the liquid spraying head, the clear water pipe connector is arranged on the end face of one end of the liquid spraying head and communicated with the water flow channel, a foam pipe connector is arranged on the liquid spraying head, and a thin pipe is arranged on the liquid spraying head and communicated with the foam pipe connector. The thin pipe is connected with the clean water pipe connector, one end of the thin pipe is of a horn mouth structure, the water outlet pipe is connected with the thin pipe, the other end of the water outlet pipe is provided with a water outlet hole, the water outlet hole is formed in the other end face of the liquid spraying head, one end of the foam inner pipe is connected with the foam pipe connector, and the other end of the foam inner pipe is connected with the foam pipe connector. The fire extinguishing device has the advantages that long-distance spraying can be achieved, the structure is simple, and fire extinguishing operation is easy.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fire -fighting gun head, concretely relates to a fire -fighting gun head and the gun body of application this gun head. BACKGROUND

[0002] The fire water gun is a kind of fire-fighting equipment, mainly used for extinguishing fire, by connecting with the water hose, can spray dense and full water flow, with long range, large water volume and other advantages.

[0003] Since the fire water gun needs to add foam when extinguishing fire, realizes foam fire extinguishing, there are some fire foam fire water guns in the prior art, and the convergence mode is parallel convergence or convergence, the distance of the spray is limited, the foam generally enters the main channel along with water flow by suction and is sprayed out, with the convergence of foam, water pressure is further reduced, and it is difficult to realize long-distance spray fire extinguishing.

[0004] Search the patent publication No. CN218501179U, and the patent name is a kind of foam fire water gun disclosure material, and specifically discloses a kind of foam fire water gun, including water gun main body, switching seat, pipe shell and foam spray pipe, the two ends of switching seat are input end and pipe end respectively, input end is installed into water gun main body, the foam spray pipe is installed on pipe end, one end of pipe shell is sleeved on the outer wall of switching seat, foam spray pipe is housed by pipe shell, the middle segment of pipe shell is movably sleeved with extension cylinder, a plurality of air inlets are formed on the middle segment of pipe shell, for the extension cylinder to be externally movable and extend, the air inlet is exposed, after high-pressure gas foam liquid is sequentially transported along water gun main body and switching seat, is sprayed into pipe shell by foam spray pipe, and is sprayed from foam spray hole along pipe shell, extension cylinder plays the role of guiding acceleration, and the foam is sprayed farther, the utility model proposes a kind of foam fire water gun, by the cooperation between water gun main body, switching seat, pipe shell and foam spray pipe, high-pressure gas foam liquid can be sprayed from foam spray pipe into pipe shell, and be sprayed from foam spray hole along pipe shell into the extension cylinder that is externally movable and extends, to be sprayed farther by extension cylinder guiding acceleration, increase spray distance, effectively improve fire extinguishing efficiency.

[0005] Through the analysis of the above-mentioned disclosure material, the fire extinguishing operation of the foam fire water gun can be realized, but the fire extinguishing is carried out by air pressure, and the distance does not meet the requirements. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model provides a fire-fighting gun head, which can not only realize long-distance spraying, but also has simple structure and easy fire extinguishing operation.

[0007] To solve the above technical problems, the utility model provides a fire-fighting gun head, which comprises,

[0008] The liquid spraying head is internally provided with a water flow channel;

[0009] The clean water pipe connector is arranged on the end surface of the liquid spraying head and is communicated with the water flow channel.

[0010] The foam pipe connector is arranged on the liquid spraying head.

[0011] The thin pipe is connected with the clean water pipe connector, and one end of the thin pipe is in a flared structure.

[0012] The water outlet pipe is connected with the thin pipe, and the other end of the water outlet pipe is provided with a water outlet hole arranged on the other end surface of the liquid spraying head.

[0013] The foam inner pipe is connected with the foam pipe connector at one end and connected with the water outlet pipe at the other end.

[0014] The foam inner pipe and the water outlet pipe are communicated in an oblique insertion mode, and the included angle of the liquid convergence direction is an acute angle.

[0015] Further, the foam pipe connector is arranged on the same end surface as the clean water pipe connector, and the axes of the foam pipe connector and the clean water pipe connector are parallel, and the included angle between the axis of the foam pipe connector and the axis of the foam inner pipe is an obtuse angle.

[0016] Further, the outer surface of the liquid spraying head is provided with a conversion sleeve, the conversion sleeve is provided with a water spray conversion column and a locking bolt, and the conversion sleeve can be fixed on the liquid spraying head through the locking bolt.

[0017] Further, the conversion sleeve is provided with a ball, the liquid spraying head is provided with a groove, the position of the groove corresponds to the position of the water outlet hole, the water spray conversion column corresponds to the position of the ball, and the position of the water spray conversion column is used for identifying the position of the water spray conversion column.

[0018] Further, the clean water pipe connector is connected with a clean water pipe, and the foam pipe connector is connected with a foam pipe.

[0019] A gun body includes a gun head, the other end of the clean water pipe is connected with a gun handle, and the other end of the foam pipe is also connected with the gun handle.

[0020] The beneficial effects of the above technical solutions of the utility model are as follows:

[0021] 1. Remote spraying can be realized, the water outlet pipe is designed as a pipe with different diameters at two ends, and the flow rate and suction force can be increased.

[0022] 2. The structure is simple, and the fire extinguishing operation is easy, the conversion between the water column and the water spray can be realized by screwing the conversion sleeve. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural diagram of the utility model;

[0024] Figure 2 for Figure 1 Structural diagram from another perspective;

[0025] Figure 3 for Figure 1 Section along the axis;

[0026] Figure 4 for Figure 1 Schematic diagram of the structure after adding the clean water pipe and foam pipe;

[0027] Figure 5 for Figure 4 Structural diagram from another perspective;

[0028] Figure 6 It is a structural diagram of the gun body;

[0029] In the figure: 1. Spray head; 2. Clean water pipe connector; 3. Foam pipe connector; 4. Water outlet; 5. Capillary tube; 6. Foam inner tube; 7. Water outlet pipe; 8. Water splash conversion column; 9. Locking bolt; 10. Clean water pipe; 11. Foam pipe; 12. Gun handle; 13. Conversion sleeve. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solutions and advantages of the embodiment of the present invention clearer, the following will be combined with the appended drawings of the embodiment of the present invention. Figures 1-6 , clearly and completely describing the technical solutions of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the described embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field fall within the scope of protection of the present invention.

[0031] like Figures 1-6 As shown: Example

[0032] A fire-fighting gun head, comprising a liquid spraying head 1, a water pipe connecting head 2 arranged on one end surface of the liquid spraying head 1 and connected with a water flow channel, a foam pipe connecting head 3 arranged on the liquid spraying head 1, a thin pipe 5 connected with the water pipe connecting head 2, one end of the thin pipe 5 being designed as a horn mouth structure, a water outlet pipe 7 connected with the thin pipe 5, the other end of the water outlet pipe 7 being provided with a water outlet hole 4 arranged on the other end surface of the liquid spraying head 1, a foam inner pipe 6 connected with the foam pipe connecting head 3 at one end and connected with the water outlet pipe 7 at the other end, the foam inner pipe 6 and the water outlet pipe 7 being connected in a slanting insertion mode, and the included angle of the liquid converging direction being an acute angle.

[0033] In the embodiment, the fire-fighting gun head applied to fire extinguishing comprises a liquid spraying head 1, a water flow channel, also referred to as a liquid flow channel, is arranged in the liquid spraying head 1, a water pipe connecting head 2 is arranged on one end of the liquid spraying head 1 and connected with the water flow channel in the interior, a thin pipe 5 is further arranged in the liquid spraying head 1, one end of the thin pipe 5 is designed as a horn mouth structure in order to realize a farther spraying effect, the end is located at the position of the water pipe connecting head 2, the thin pipe 5 is directly connected with the water pipe connecting head 2, the other end of the thin pipe 5 is connected with a water outlet pipe 7, the inner diameter of the water outlet pipe 7 is larger than that of the thin pipe 5, the principle is that the foam liquid is sucked out by the siphon negative pressure generated by the sudden increase of the thin pipe 5 when the foam liquid is sprayed on the liquid spraying head 1 by the pressure of the clean water, and the foam pump on the fire truck in the prior art increases the supply amount of the foam liquid in order to overcome the resistance of the pipeline. In order to realize foam fire extinguishing, a foam inner pipe 6 is further arranged in the liquid spraying head 1, the end of the foam inner pipe 6 is connected with the water outlet pipe 7 in a slanting insertion mode, and the included angle is an acute angle, the foam in the foam inner pipe 6 is sucked into the water outlet pipe 7 by the negative pressure formed by the water flow in the water outlet pipe 7, and is sprayed out together with the clean water. Embodiment

[0034] The foam pipe connecting head 3 is arranged at the position of the same end surface as the water pipe connecting head 2, and the axis of the foam pipe connecting head 3 is parallel to the axis of the water pipe connecting head 2, and the included angle between the axis of the foam pipe connecting head 3 and the axis of the foam inner pipe 6 is an obtuse angle.

[0035] Different from the above embodiment, in the embodiment, the foam pipe connecting head 3 is arranged on the same end surface as the water pipe connecting head 2, and the axis of the foam pipe connecting head 3 is parallel to the axis of the water pipe connecting head 2. Embodiment

[0036] The outer surface of the liquid spraying head 1 is provided with a conversion sleeve 13, the conversion sleeve 13 is provided with a water spray conversion column 8 and a locking bolt 9, and the conversion sleeve 13 can be fixed on the liquid spraying head 1 by the locking bolt 9.

[0037] Different from the above embodiment, in the embodiment, in order to change different water spray, a conversion sleeve 13 is sleeved on the outer side of the liquid spraying head 1, and a water spray conversion column 8 is arranged on the conversion sleeve 13, and the water spray conversion column 8 is in an L-shaped structure, and the end part parallel to the axis of the liquid spraying head 1 is in a conical structure. Embodiment

[0038] The conversion sleeve 13 is provided with a ball, the liquid spraying head 1 is provided with a groove, the position of the groove corresponds to the position of the water outlet hole 4, and the water spray conversion column 8 corresponds to the position of the ball, and is used for identifying the position of the water spray conversion column 8.

[0039] Different from the above embodiment, in the embodiment, in order to facilitate identification of the position of the water spray conversion column 8 and achieve the effect of stable conversion, the conversion sleeve 13 is provided with a ball, and when a click sound is needed, it indicates that the conversion is completed. Embodiment

[0040] The clear water pipe connecting head 2 is connected with a clear water pipe 10, and the foam pipe connecting head 3 is connected with a foam pipe 11.

[0041] Different from the above embodiment, in the embodiment, the clear water pipe connecting head 2 can be an internal thread structure or a buckle structure, and is connected with the clear water pipe 10. The foam pipe 11 can be an internal thread structure or a buckle structure. Embodiment

[0042] A gun body, comprising a gun head, the other end of the clear water pipe 10 is connected with a gun handle 12, and the other end of the foam pipe 11 is also connected with the gun handle 12.

[0043] Different from the above embodiment, in the embodiment, the gun body is used for holding in hand when extinguishing fire, and comprises a gun head, and in addition, the other end of the clear water pipe 10 and the foam pipe 11 is connected with the gun handle 12, and when extinguishing fire, the gun handle 12 is held in hand.

[0044] The working method (or working principle) of the utility model:

[0045] In the working process of the technology, since the inner diameter of the pipeline between the clear water pipe connecting head 2 and the water outlet hole 4 is changed, the flow rate in the thin pipe 5 is increased, the suction force is increased, the foam can be adsorbed more quickly, and the water flow can be sprayed to a farther position.

[0046] In the utility model, unless another definite provision and limitation, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for ordinary skill in the art to the person, can according to specific circumstances understanding the specific meaning of the above-mentioned terms in the utility model.

[0047] The above is the preferred embodiment of the utility model, it should be pointed out, for ordinary skill in the art to the person, under the premise of not departing from the principle described in the utility model, can also make a number of improvements and refinements, these improvements and refinements also should be considered the protection scope of the utility model.

Claims

1. A fire-fighting lance head, characterized in that: The utility model relates to a liquid spraying gun head, comprising: a liquid spraying head (1) internally provided with a water flow channel; a clear water pipe connector (2) arranged on the end face of one end of the liquid spraying head (1) and communicating with the water flow channel; a foam pipe connector (3) arranged on the liquid spraying head (1); a thin pipe (5) connected with the clear water pipe connector (2), one end of the thin pipe (5) being in a flared structure; a water outlet pipe (7) connected with the thin pipe (5), the other end of the water outlet pipe (7) being provided with a water outlet hole (4) arranged on the end face of the other end of the liquid spraying head (1); a foam inner pipe (6) one end of which is connected with the foam pipe connector (3) and the other end of which is connected with the water outlet pipe (7); the foam inner pipe (6) and the water outlet pipe (7) are communicated in an oblique insertion mode, and the included angle of the liquid convergence direction is an acute angle.

2. A fire-fighting nozzle according to claim 1, characterised in that: the foam pipe connector (3) is arranged on the same end face as the clear water pipe connector (2), the shaft centers of the foam pipe connector (3) and the clear water pipe connector (2) are parallel, and the included angle between the axis of the foam pipe connector (3) and the axis of the foam inner pipe (6) is an obtuse angle.

3. A fire-fighting nozzle according to claim 2, characterised in that: the outer side face of the liquid spraying head (1) is provided with a conversion sleeve (13), the conversion sleeve (13) is provided with a water splash conversion column (8) and a locking bolt (9), and the conversion sleeve (13) can be fixed on the liquid spraying head (1) through the locking bolt (9).

4. A fire-fighting nozzle according to claim 3, characterised in that: the conversion sleeve (13) is provided with a ball, the liquid spraying head (1) is provided with a groove, the position of the groove corresponds to the position of the water outlet hole (4), the water splash conversion column (8) corresponds to the position of the ball, and the position of the water splash conversion column (8) is identified.

5. A fire-fighting nozzle according to claim 4, wherein: the clear water pipe connector (2) is connected with a clear water pipe (10), and the foam pipe connector (3) is connected with a foam pipe (11).

6. A gun body characterized by: the other end of the clear water pipe (10) is connected with a gun handle (12), and the other end of the foam pipe (11) is also connected with the gun handle (12).

Images