Lifting handle for fire extinguisher

Abstract

The utility model discloses a lifting handle for a fire extinguisher, and relates to the technical field of fire extinguishers, the lifting handle is provided with a lifting handle ring and a connecting part used for being connected with a tank body, the connecting part is provided with a connecting port allowing an opening and closing valve to penetrate through, and the connecting port is provided with at least three elastic locking arms used for being connected with the opening and closing valve in a clamped mode. The elastic locking arm comprises an arm plate and a clamping protrusion arranged on the outer wall of the arm plate. The opening and closing valve can be installed stably and reliably, a medium at a bottle opening is buffered, and impact on the bottle opening is reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fire extinguishers, in particular to a handle for a fire extinguisher. BACKGROUND

[0002] As an effective fire extinguishing device, fire extinguishers are widely used in various occasions. When used, the safety bolt is first removed, the handle is unlocked, and then the handle is pressed downward to drive the valve button to move downward against the action of the return spring, open the valve, and the fire extinguishing material is sprayed out through the nozzle to realize the fire extinguishing function. In the existing fire extinguishers, the valve body of the valve is usually connected with the handle seat body by threads. During use, the valve body may be detached due to the continuous and strong force of the gas, thereby causing the valve core to fall off and the control to fail. The gas impact is also easy to cause deformation of the bottle opening and liquid leakage. CONTENT OF THE UTILITY MODEL

[0003] Therefore, the present application provides a handle for a fire extinguisher to solve the technical problem of valve failure and bottle opening deformation caused by gas impact in the prior art.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0005] A handle for a fire extinguisher, the handle has a handle ring and a connecting part for connecting with a tank body, the connecting part has a connecting opening for the opening and closing valve to pass through, and at least three elastic locking arms for clamping connection with the opening and closing valve are arranged at the connecting opening. The elastic locking arm comprises an arm plate and a clamping protrusion arranged on the outer wall of the arm plate.

[0006] Further, the number of elastic locking arms is three or four, and they are uniformly distributed along the ring.

[0007] Further, the cross section of the arm plate perpendicular to the axis is in the shape of a circular arc.

[0008] Further, a limiting part is arranged on the outer periphery of the connecting part.

[0009] Further, a reinforcing ring is arranged in the connecting opening, and a plurality of reinforcing plates are connected between the reinforcing ring and the connecting part.

[0010] From the above technical scheme, it can be seen that the utility model has the following advantages:

[0011] 1. In the present application, the opening and closing valve is connected with the elastic locking arm to realize the fixed installation of the opening and closing valve. When the gas impacts, the valve seat of the opening and closing valve can rotate circumferentially and move axially, thereby realizing buffering and reducing the impact on the bottle opening. The elastic clamping structure is not easy to separate, thereby avoiding the condition that the valve seat falls off and the valve fails.

[0012] 2. The strength of the connecting portion is improved by setting the reinforcing ring and the reinforcing plate, and the supporting strength at the bottle mouth is increased by increasing the strength of the connecting portion. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings, which form a part of the present application, are intended to provide further understanding of the present application and serve as an explanation of the illustrative embodiments of the present application and are not intended to impose any undue limitation on the present application.

[0014] Figure 1 Structure diagram of the present application Figure 1 .

[0015] Figure 2 Structure diagram of the present application Figure 2 .

[0016] Figure 3 Structure diagram of the present application Figure 3 .

[0017] Figure 4 Internal sectional structure diagram of the present application.

[0018] Reference signs: 1 - handle ring; 2 - pressing handle accommodating cavity; 3 - pin hole; 4 - connecting portion; 5 - limiting portion; 6 - elastic locking arm; 61 - arm plate; 62 - clamping protrusion; 7 - clamping protrusion; 8 - reinforcing ring; 9 - reinforcing plate. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is further described in detail below in combination with the embodiments and the drawings. Herein, the illustrative embodiments of the present application and the description thereof are used to explain the present application, but not as the limitation on the present application.

[0020] Reference Figures 1 to 4 , for example Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the embodiment provides a handle for fire extinguisher, the handle has a handle ring 1, a pressure handle containing cavity 2 for placing the pressure handle, a pin hole 3 for hinged installation of the pressure handle, and a connecting part 4 for connecting with the tank body. The specific installation form and locking structure of the pressure handle can refer to Chinese patent CN204395277U. The connecting part 4 is provided with a connecting port for the opening and closing valve to pass through, the connecting port is connected with the pressure handle containing cavity 2, the inner wall of the pressure handle containing cavity 2 is provided with a clamping protrusion 7 capable of preventing the safety catch from falling off, and the connecting port is provided with at least three elastic locking arms 6 for clamping connection with the valve seat of the opening and closing valve. The elastic locking arm 6 includes an arm plate 61 and a clamping protrusion 62 arranged on the outer wall of the arm plate 61. During installation, the clamping teeth on the inner wall of the opening of the valve seat pass over the clamping protrusion 62, and the arm plate 61 is automatically reset to form a stable clamping connection structure. An output seat with an output port is installed at the connecting port, the valve core of the opening and closing valve passes through the output seat and abuts against the pressure handle, and the spring in the valve seat abuts against the valve core. During use, when the gas or liquid impacts the valve seat, the spring can make the valve seat elastically float to buffer the medium, thereby reducing the impact of the medium on the bottle opening, and when the bottle opening is impacted, the edge of the connecting part 4 will not be deformed, thereby avoiding gas leakage and liquid leakage. Since the elastic clamping connection structure is not easy to separate, the valve seat installation is reliable and stable, thereby making the opening and closing valve work stably, and when the fire extinguisher is not used, the high-pressure gas in the fire extinguisher can push the valve seat to approach the valve core, thereby compressing the spring and making the valve core close more reliably.

[0021] Preferably in the embodiment, the number of elastic locking arms 6 is three or four, and they are uniformly distributed along the ring. The support force of the valve seat is uniform, and the elastic locking arms 6 are easy to deform during valve installation, making the valve installation simple, reliable and stable in structure.

[0022] In the embodiment, the cross section of the arm plate 61 perpendicular to the relative axis is in the shape of a circular arc. The arm plate 61 can better adhere to the valve seat of the opening and closing valve, making the connection more stable.

[0023] In the embodiment, the outer periphery of the connecting part 4 is provided with a limiting part 5. It is convenient for pre-positioning during handle installation, preventing the handle from rotating in the circumferential direction, and making the installation direction of the handle consistent and controllable.

[0024] In the embodiment, a reinforcing ring 8 is arranged in the connecting port, and a plurality of reinforcing plates 9 are connected between the reinforcing ring 8 and the connecting part 4. The reinforcing ring 8 and the reinforcing plates 9 are arranged to enhance the strength of the connecting part 4, thereby increasing the support strength of the bottle opening, making the bottle opening not easy to deform, and using the hollow shape to make the impact force of the medium acting on the bottle opening more dispersed and further buffered. At the same time, the valve seat cannot shake in the radial direction to hit the elastic locking arm 6 by limiting the reinforcing ring 8.

[0025] The above descriptions are only the preferred embodiments of the present application, and are not intended to limit the present application. The embodiments of the present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of protection of the present application.

Claims

1. A carrying handle for a fire extinguisher, the carrying handle having a handle loop (1) and a connection portion (4) for connection to a can body, characterized in that The connecting part (4) has a connecting port for the on-off valve to pass through, and at least three elastic locking arms (6) for clamping connection with the on-off valve are arranged at the connecting port.

2. The handle for a fire extinguisher according to claim 1, wherein The number of the elastic locking arms (6) is three or four, and they are uniformly distributed along the ring.

3. The handle for a fire extinguisher according to claim 1, wherein The cross section of the arm plate (61) perpendicular to the relative axis is in the shape of a circular arc.

4. The handle for a fire extinguisher according to claim 1, wherein A limiting part (5) is arranged on the outer circumferential surface of the connecting part (4).

5. The handle for a fire extinguisher according to claim 1, wherein A reinforcing ring (8) is arranged in the connecting port, and a plurality of reinforcing plates (9) are connected between the reinforcing ring (8) and the connecting part (4).

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