Fire-fighting lance head convenient to replace

Abstract

The utility model relates to the technical field of fire-fighting water guns, and discloses a fire-fighting water gun head convenient to replace, which comprises a hose used for being connected with a water outlet end of a fire hydrant and a water gun body used for spraying water, a sealing assembly is arranged at one end of the hose, and a first clamping assembly is arranged on one side, close to the sealing assembly, of the hose. The second clamping assembly used for being stably connected with the first clamping assembly is arranged on one side of the first clamping assembly, the sealing assembly interacts with the first clamping assembly and the second clamping assembly, the overall sealing performance of the device is enhanced, connection between the water gun and the hose is firmer, and under the emergency situation, the water gun is not prone to falling off. An operator can quickly replace the water gun head through the first clamping assembly and the second clamping assembly, the fire extinguishing response speed is increased, due to the design of the whole device, replacement is convenient and quick, and the remarkable effects of prolonging the service life of the water gun, reducing the maintenance cost and the like are achieved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of fire water lance, more specifically, especially relate to a convenient replacement's fire water lance head. BACKGROUND

[0002] Fire water lance head is an important part of fire fighting system, usually installed between fire water pipe and nozzle, used for controlling water flow output, so as to effectively deal with fire, fire water lance head can provide multiple spray modes according to different designs, such as mist, straight flow, wide flow, to adapt to the needs of different fire fighting, when using, the operator can adjust the water flow and spray angle of water lance head according to the fire and the scene, ensure that the water flow covers the fire source, and rapidly reduces the temperature, fire water lance head is usually made of high-pressure and corrosion-resistant materials to ensure reliability and durability in high-strength working environment, it is indispensable tool for firemen when fighting fire, can improve the efficiency of fire fighting and reduce the loss caused by fire.

[0003] In the prior art, the traditional straight flow type fire water lance head is usually installed in the threaded butt joint mode, this installation mode is simple, but there are some deficiencies in actual application, first, threaded butt joint needs to rotate the thread several times to completely fix the water lance head, which leads to long assembly time, especially in the case of emergency fire, the fireman often needs to quickly arrange the equipment, second, threaded connection is easily affected by dirt, rust or wear caused by long-term use, thereby reducing the tightness of its connection and increasing the risk of water leakage, in addition, the loosening or improper installation of threaded connection part can also cause the water lance head to fall off or the water flow to be not smooth, which affects the fire extinguishing effect, especially in the case of high-pressure water flow, the stability of threaded connection is particularly critical, any small connection problem can cause equipment failure or water flow interruption, therefore, in view of the above, the existing structure and defects are improved, a fire water lance head convenient to replace is provided, so as to achieve more practical value. UTILITY MODEL CONTENTS

[0004] In order to solve the above technical problems, the utility model provides a fire water lance head convenient to replace, to solve the threaded connection that the present application is affected by dirt, rust or wear caused by long-term use, thereby reducing the tightness of its connection and increasing the risk of water leakage, in addition, the loosening or improper installation of threaded connection part can also cause the water lance head to fall off or the water flow to be not smooth, which affects the fire extinguishing effect, especially in the case of high-pressure water flow, the stability of threaded connection is particularly critical, any small connection problem can cause equipment failure or water flow interruption.

[0005] The purpose and effect of the utility model are achieved by the following specific technical means:

[0006] The utility model provides a convenient replacement's fire water gun head, including the hose for connecting with the water outlet end of fire hydrant and the water gun body for spraying water, one end of the hose is provided with sealing assembly, the side of the hose close to sealing assembly is provided with first clamping assembly, one side of first clamping assembly is provided with second clamping assembly for with first clamping assembly stable connection.

[0007] Further, the sealing assembly includes a sleeve, the sleeve is fixedly sleeved inside the water outlet end of the hose, and a sealing disc is fixedly sleeved outside the sleeve close to one end.

[0008] Further, the first clamping assembly includes a first clamping pipe, the first clamping pipe is sleeved outside the sealing disc, a first support ring is fixedly sleeved inside the first clamping pipe close to one end, and a first sealing ring is fixedly connected to one side of the first support ring.

[0009] Further, two first protruding clamps are fixedly connected to the outside of the first clamping pipe close to one end, and a first pull hook is fixedly connected to one end of each of the two first protruding clamps.

[0010] Further, the second clamping assembly includes a second clamping pipe, the second clamping pipe is fixedly connected to one side of the water inlet end of the water gun body, a second support ring is fixedly connected to the inside of the second clamping pipe close to one side of the first support ring, a second sealing ring is connected to one side of the second support ring close to the first sealing ring, and the first sealing ring and the second sealing ring abut each other.

[0011] Further, two second protruding clamps are fixedly connected to the outside of the second clamping pipe close to one side of the two first protruding clamps, and a second pull hook is fixedly connected to one end of each of the two second protruding clamps.

[0012] Further, the two first protruding clamps are clamped with the two second pull hooks respectively, the two second protruding clamps are clamped with the two first pull hooks respectively, and the second clamping pipe and the first clamping pipe are detachably connected. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic diagram of a convenient replacement's fire water gun head;

[0014] Figure 2 It is a three-dimensional split structure schematic diagram of a convenient replacement's fire water gun head;

[0015] Figure 3 It is a three-dimensional structure schematic diagram of a sealing assembly of a convenient replacement's fire water gun head;

[0016] Figure 4 It is a three-dimensional structure schematic diagram of a first clamping mechanism of a convenient replacement's fire water gun head;

[0017] Figure 5 It is a first clamping mechanism of a convenient replacement fire water gun head another perspective of the stereoscopic structure schematic view;

[0018] Figure 6 It is a second clamping assembly of a convenient replacement fire water gun head stereoscopic structure schematic view;

[0019] Figure 7 It is a second clamping assembly of a convenient replacement fire water gun head another perspective of the stereoscopic structure schematic view.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The convenient replacement fire water gun head is through the cooperation of the sealing assembly and the first clamping assembly and the second clamping assembly between the hose and the water gun body, ensures the stable supply of water flow and avoids the leakage problem, the sealing assembly and the first clamping assembly and the second clamping assembly interact, enhance the overall sealing performance of the device, make the connection of the water gun and the hose more firm, in the emergency, the operator can replace the water gun head through the first clamping assembly and the second clamping assembly, improve the fire extinguishing response speed, the design of the overall device not only makes the replacement convenient and fast, but also has remarkable effect in improving the service life of the water gun, reducing maintenance cost and the like.

[0022] Legend

[0023] 1, hose;2, sealing assembly;201, sleeve;202, sealing disc;3, first clamping assembly;301, first clamping pipe;302, first support ring;303, first sealing ring;304, first protruding clamp;305, first pull hook;4, second clamping assembly;401, second clamping pipe;402, second support ring;403, second sealing ring;404, second protruding clamp;405, second pull hook;5, water gun body. Specific implementation

[0024] The embodiment of the utility model is further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but cannot be used to limit the scope of the utility model.

[0025] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0026] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] Embodiment:

[0028] As shown in the accompanying Figure 1 to the accompanying Figure 7 :

[0029] The utility model provides a convenient replaceable fire -fighting lance head, including the hose 1 for being connected with the fire hydrant water outlet end and the water gun body 5 for spraying water, the hose 1 one end is provided with sealing assembly 2, the hose 1 is provided with first clamping assembly 3 at the side close to sealing assembly 2, the first clamping assembly 3 one side is provided with the second clamping assembly 4 for with first clamping assembly 3 stable connection, the hose 1 is connected with the lance head through sealing assembly 2, has guaranteed the sealing property and stability of water flow, sealing assembly 2 plays the role of sealing and preventing leakage between the hose 1 and water gun body 5, effectively avoids the leakage of water flow at the interface, has guaranteed the water flow supply of fire -fighting work process unintermittent, in addition, sealing assembly 2 reduces the joint loosening or ageing phenomenon due to long -term use, improves the durability of device, first clamping assembly 3 is connected with the hose 1 and water gun body 5 stablely through accurate clamping design, this assembly can ensure the firm combination between water gun and hose 1, effectively prevents the loosening or water flow leakage at the connection in the operation process, first clamping assembly 3 has simple operation mode, can be installed and disassembled quickly, especially suitable for emergency fire -fighting and the like occasion, improves the operation efficiency, and its structure design has strengthened the use stability of water gun, still can guarantee that connection is not loosened under high pressure, the second clamping assembly 4 cooperates with first clamping assembly 3, forms a firm, reliable connection, the design of this assembly improves the connection strength and sealing property of lance head and hose 1, ensures the safety of connection under different use environment, through accurate butt joint, the second clamping assembly 4 not only can provide stronger connecting force, but also can reduce the connection loosening due to high pressure water flow or frequent use, enhances the durability and stability of system, the cooperation of sealing assembly 2 and first clamping assembly 3 and second clamping assembly 4 between the hose 1 and water gun body 5 ensures the stable supply of water flow and avoids the leakage problem, sealing assembly 2 and first clamping assembly 3 and second clamping assembly 4 interact, enhance the overall sealing performance of device, make the connection of water gun and hose 1 more firm, in the emergency, operating personnel can replace lance head quickly through first clamping assembly 3 and second clamping assembly 4, improves fire -fighting response speed, the design of overall device not only makes convenient and quick replacement, but also has remarkable effect in improving water gun service life, reducing maintenance cost and the like aspects.

[0030] The sealing assembly 2 comprises a sleeve 201 fixedly sleeved inside the water outlet end of the hose 1, and a sealing disc 202 fixedly sleeved outside the sleeve 201 at one end. The sealing assembly 2 is fixedly sleeved inside the water outlet end of the hose 1 through the sleeve 201, effectively ensuring the sealing of the water flow and avoiding water leakage. The sealing disc 202 fixedly sleeved outside the sleeve 201 plays a role in enhancing the sealing effect, further preventing water leakage at the interface. The design of the sealing assembly 2 makes the connection between the water gun head and the hose 1 more secure, thereby improving the safety and reliability of the water gun and reducing the low efficiency or unsafe situation caused by loose or leaking interfaces.

[0031] The first clamping assembly 3 comprises a first clamping pipe 301 sleeved outside the sealing disc 202, a first support ring 302 fixedly sleeved inside the first clamping pipe 301 at one end, a first sealing ring 303 fixedly connected to one side of the first support ring 302, and two first protruding clamps 304 fixedly connected to one end of the first clamping pipe 301 at one end. Each of the two first protruding clamps 304 is fixedly connected to a first pull hook 305. The first clamping assembly 3 is sleeved outside the sealing disc 202 through the first clamping pipe 301, forming a firm connection. The first support ring 302 inside the first clamping pipe 301 fixedly supports the internal structure, ensuring the stability of the clamping assembly and avoiding loosening caused by external force. The first sealing ring 303 fixedly connected to one side of the first support ring 302 abuts against the second sealing ring 403 in the second clamping assembly 4, achieving double sealing and further enhancing the sealing performance and pressure resistance. The two first protruding clamps 304 and the first pull hook 305 form a tight clamping relationship, enhancing the firmness of the connection and facilitating disassembly during operation. This design effectively prevents water leakage caused by loose clamping.

[0032] The second snap-fit ​​assembly 4 includes a second snap-fit ​​tube 401, which is fixedly connected to the water inlet side of the water gun body 5. Inside the second snap-fit ​​tube 401, near the first support ring 302, a second support ring 402 is fixedly connected. Near the first sealing ring 303, a second sealing ring 403 is connected to the second support ring 402. The first sealing ring 303 and the second sealing ring 403 abut against each other. Two second protruding clamps 404 are fixedly connected to the outer side of the second snap-fit ​​tube 401 near the two first protruding clamps 304. One end of each of the two second protruding clamps 404 is fixedly connected to a second hook 405. The second snap-fit ​​assembly 4 connects via a second... The second clamping connector 401 is connected to the water inlet of the water gun body 5. The second support ring 402, which is fixedly connected to the side of the second clamping connector 401 near the first support ring 302, provides stable support, ensuring the stability and connection strength of the second clamping connector 401. The second support ring 402 and the first sealing ring 303 form a tight sealing contact, effectively preventing water leakage. The second protruding clamp 404, which is fixedly connected to the outside of the second clamping connector 401, corresponds to the first protruding clamp 304, forming a snap-fit ​​connection. The second hook 405 and the first hook 305 are snapped together, ensuring a firm and detachable connection. This component design ensures the water flow sealing and improves the convenience of component disassembly, reducing disassembly and assembly time.

[0033] In this system, two first protruding clamps 304 are respectively engaged with two second hooks 405, and two second protruding clamps 404 are respectively engaged with two first hooks 305. The second clamping tube 401 and the first clamping tube 301 are detachably connected. The first clamping tube 301 and the second clamping tube 401 are mutually engaged to form a detachable connection. The two first protruding clamps 304 and the two second protruding clamps 404 achieve a robust clamping connection through the cooperation of the hooks. While providing strong fixation, it ensures quick disassembly when necessary. This clamping method is more efficient than traditional threaded connections, reducing assembly and disassembly time. It is especially suitable for emergency fire extinguishing operations and can effectively improve work efficiency. The design of the clamping system enhances the stability of the interfaces at both ends and reduces the risk of water flow interruption or leakage.

[0034] The specific usage and function of this embodiment are as follows:

[0035] The sealing assembly 2 is fixedly sleeved inside the water outlet end of the hose 1 through the sleeve 201, effectively ensuring the sealing of the water flow and avoiding water leakage. The sealing disc 202 fixedly sleeved outside the sleeve 201 plays a role in enhancing the sealing effect and further prevents water leakage at the interface. The design of the sealing assembly 2 makes the connection between the water gun head and the hose 1 more secure, thereby improving the safety and reliability of the water gun, reducing the low efficiency or unsafe situation caused by loose or leaking interfaces, the first clamping assembly 3 is sleeved outside the sealing disc 202 through the first clamping pipe 301, forming a firm connection, the first support ring 302 inside the first clamping pipe 301 fixedly supports the internal structure, ensuring the stability of the clamping assembly and avoiding loosening caused by external force, the first sealing ring 303 fixedly connected on one side of the first support ring 302 abuts against the second sealing ring 403 in the second clamping assembly 4, realizing double sealing and further enhancing the sealing performance and pressure resistance, the two first protruding clamps 304 and the first pull hook 305 form a tight clamping relationship, enhancing the firmness of the connection, and facilitating disassembly during operation. This design effectively prevents water leakage caused by loose clamping, the second clamping assembly 4 is connected with the water inlet end of the water gun body 5 through the second clamping pipe 401, the second support ring 402 fixedly connected on the side of the second clamping pipe 401 close to the first support ring 302 provides stable support, ensuring the stability and connection strength of the second clamping pipe 401, the second support ring 402 forms a tight sealing contact with the first sealing ring 303, effectively avoiding water leakage, the second protruding clamp 404 fixedly connected on the outside of the second clamping pipe 401 corresponds to the first protruding clamp 304, forming a clamping connection, the second pull hook 405 is clamped with the first pull hook 305, ensuring firm and detachable connection. The design of this assembly ensures the sealing of the water flow and improves the convenience during disassembly of the assembly, reducing the disassembly time, the first clamping pipe 301 and the second clamping pipe 401 form a detachable connection through mutual clamping, the two first protruding clamps 304 and the two second protruding clamps 404 realize firm clamping connection through the cooperation of the pull hooks, providing strong fixation while ensuring quick disassembly when necessary. This clamping method is more efficient than traditional threaded connection, reducing assembly and disassembly time, especially suitable for emergency fire extinguishing operations, which can effectively improve work efficiency. The design of the clamping system enhances the stability of the two interfaces, reducing the risk of water flow interruption or leakage.

[0036] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A replaceable fire hose nozzle comprising a hose (1) for connection to a hydrant outlet and a nozzle body (5) for spraying water, characterized in that: The hose (1) is provided with a sealing assembly (2) at one end, and a first clamping assembly (3) is arranged on the side of the hose (1) close to the sealing assembly (2), and the first clamping assembly (3) is provided with a second clamping assembly (4) for stable connection with the first clamping assembly (3) on one side.

2. A replaceable fire hose nozzle as claimed in claim 1, wherein: The sealing assembly (2) comprises a sleeve (201) fixedly sleeved inside the water outlet end of the hose (1), and a sealing disc (202) is fixedly sleeved on the outer side of the sleeve (201) at one end.

3. A replaceable fire hose nozzle as defined in claim 2, wherein: The first clamping assembly (3) comprises a first clamping pipe (301) sleeved on the outer side of the sealing disc (202), and a first supporting ring (302) is fixedly sleeved inside the first clamping pipe (301) at one end, and a first sealing ring (303) is fixedly connected on one side of the first supporting ring (302).

4. A replaceable fire hose nozzle as defined in claim 3, wherein: Two first protruding clamps (304) are fixedly connected on the outer side of the first clamping pipe (301) at one end, and a first pull hook (305) is fixedly connected on one end of each of the two first protruding clamps (304).

5. A replaceable fire hose nozzle as defined in claim 3, wherein: The second clamping assembly (4) comprises a second clamping pipe (401) fixedly connected on the water inlet end side of the water gun body (5), a second supporting ring (402) is fixedly connected inside the second clamping pipe (401) close to one side of the first supporting ring (302), a second sealing ring (403) is connected on the side of the second supporting ring (402) close to the first sealing ring (303), and the first sealing ring (303) and the second sealing ring (403) abut each other.

6. A disposable fire hose tip as defined in claim 5, wherein: Two second protruding clamps (404) are fixedly connected on the outer side of the second clamping pipe (401) close to one side of the two first protruding clamps (304), and a second pull hook (405) is fixedly connected on one end of each of the two second protruding clamps (404).

7. A disposable fire hose tip as defined in claim 6 wherein: The two first protruding clamps (304) and the two second pull hooks (405) are clamped with each other, the two second protruding clamps (404) and the two first pull hooks (305) are clamped with each other, and the second clamping pipe (401) and the first clamping pipe (301) are detachably connected.

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