CN202637780U

CN202637780U - Safety protection device of pressing handle of fire extinguisher valve

Info

Publication number: CN202637780U
Application number: CN 201220159258
Authority: CN
Inventors: 李江东
Original assignee: Xiamen Yitai Fire Fighting Technology Development Co Ltd
Current assignee: Xiamen Yitai Fire Fighting Technology Development Co Ltd
Priority date: 2012-04-16
Filing date: 2012-04-16
Publication date: 2013-01-02
Anticipated expiration: 2022-04-16

Abstract

The utility model discloses a safety protection device of a pressing handle of a fire extinguisher valve, which is installed on a carrying handle and the pressing handle. One end of the pressing handle is pivoted with one end of the carrying handle, and a step type punching hole with a narrow upper part and a wide lower part is formed on the pressing handle; an elongated metal dome is arranged between openings of the carrying handle and the pressing handle, the lower end of the metal dome is fixed on the carrying handle, and the upper end, i.e. the operating end of the metal dome extends from the punching hole of the pressing handle; clamping grooves are respectively formed on the left and right sides of the neck part of the operating end and correspond to the hole edge of the narrow punching hole; and the pressing handle is matched or not matched with the hole edge of the narrow punching hole through the clamping grooves on the neck part of the operating end, so as to be locked or unblocked. A fire extinguisher can be more conveniently used by a user with labor saving through the device, the extinguishing time is not delayed, and the recycling is convenient.

Description

A kind of extinguisher valve pressure handle safety device

Technical field

The utility model relates to the fire distinguisher field, particularly a kind of extinguisher valve pressure handle safety device.

Background technology

A lot of fire are often all grown up by little flare, if be extinguished in the stage of catching fire at the beginning, just can reduce a lot of losses.Although the fire extinguisher of now small sized personal use is very universal, may have with practice or study because of the user, thereby can't in time in the fire initial period it be put out enlargement loss in use.

The fire extinguisher that generally uses now, as shown in Figure 1, fire extinguisher body 10 is provided with carrying handle 20 and spout 30, the valve 50 of body 10 interior mounting strap buttons 40, one end of pressure handle 60 and carrying handle 20 is articulated, and button 40 is supported below pressure handle 60 by back-moving spring 70, and pressure handle 60 and carrying handle 20 are respectively equipped with keyhole 80 in the position near pivot end, safety cock 90 passes keyhole 80 restriction pressure handles 60 and moves down, and guarantees that fire extinguisher is in closed condition at non-working condition lower valve 50.

During use, first safety cock 90 is transferred to from keyhole 80, made pressure handle 60 releases, again to pressing pressure handle 60, the effect that overcomes back-moving spring 70 with the button 40 of movable valve 50 is to descending, Open valve 50, and extinguish material is realized fire fighting function by spout 30 ejections.Stop to press pressure handle 60, the button 40 of valve 50 drives pressure handle 60 and resets thereupon at the effect of back-moving spring 70 horizontal reset that makes progress, and waits for that next fire-fighting fire extinguishing uses.

Carefully analyze said structure, there are the following problems to be not difficult to find it:

One, safety cock 90 is positioned at the side of pressure handle 60 and carrying handle 20, is not easy to be noted by the user, if the user is unfamiliar with fire extinguisher, so when breaking out of fire, might just note less than or the effect of unexpected safety cock 90, it can not extracted, spray fire extinguisher thereby can't make;

Even knowing how to make, two users spray fire extinguisher, but when fire occurs, the people's is spiritual in tension lower, muscle is in automatic the tightening, and might cause following situation: the hand-tight pressure handle 60 of pressing, and the another hand removes to pull out safety cock 90, perhaps because the resistance of 80 pairs of safety cocks 90 of keyhole, form a radial effect power, and caused safety cock 90 to be difficult to extract, thereby incured loss through delay fire extinguishing opportunity;

Three, safety cock 90 is probably lost after use, make pressure handle 60 keep releases and fire extinguisher is in stand-by state for a long time, maloperation very easily appears, poor stability, and can cause the wasting of resources to a certain extent, affect the recycling of fire extinguisher, even give for change, when reinstalling safety cock 90, also more loaded down with trivial details.

In order to address the above problem, the inventor has developed a kind of novel extinguisher valve pressure handle safety device through concentrating on studies.

The utility model content

The purpose of this utility model is to provide a kind of extinguisher valve pressure handle safety device, can allow convenient the making effortlessly of user spray fire extinguisher.

In order to reach above-mentioned purpose, the solution that the utility model is taked is as follows:

A kind of extinguisher valve pressure handle safety device, be installed on carrying handle and the pressure handle, one end of pressure handle and carrying handle is articulated, offer up-narrow and down-wide notch cuttype perforation on the pressure handle, be provided with a strip shell fragment between the opening of carrying handle and pressure handle, the lower end of shell fragment is fixed on the carrying handle, the upper end of shell fragment is that stretch out from the perforation of pressure handle the operating side, the neck left and right sides of the operating side also peritreme of corresponding narrower perforation respectively has a draw-in groove, and whether pressure handle cooperates with narrower perforation peritreme by the neck draw-in groove of operating side and be and lock or released state.

As preferably, the operating side of shell fragment also is coated with flexible material.

After adopting such scheme, the utility model is used for fire extinguisher, under the untapped original state, the neck of operating side is arranged in narrower perforation and draw-in groove and cooperates with narrower perforation peritreme, this moment pressure handle on locking bit, the valve pressure handle is in the security protection state, fire extinguisher can't use.During use, the operating side that only need to touch forward shell fragment, after draw-in groove broke away from narrower perforation, the support that pressure handle loses draw-in groove can be pressed and move downward, and this moment, fire extinguisher can normally use.After finishing using, stir pressure handle, shell fragment blocks pressure handle again, and the valve pressure handle is in the security protection state, thereby makes fire extinguisher be in stand-by state.

The utility model replaces safety cock because increased the strip shell fragment between carrying handle and pressure handle, cooperates with notch cuttype perforation on the pressure handle by the draw-in groove of shell fragment neck, and the release of realization pressure handle and locking, so the utility model has following beneficial effect at least:

One, the operating side of shell fragment neck is positioned at the end face of pressure handle, easily is noted by the user, and when breaking out of fire, can remove to stir shell fragment to subconsciousness, makes to spray fire extinguisher;

Two, stir the shell fragment ratio and take out that to dial the safety cock action simpler, laborsaving, easily operation, when fire occurs, even the people's is spiritual in tension lower, muscle is in automatic the tightening, still may easily finish release action, convenient making in the very first time after fire occurs sprays fire extinguisher, and fire extinguishing opportunity avoids delay;

Three, after use, only need stir pressure handle the neck operating side of shell fragment is come back in the narrower perforation, draw-in groove rebounds automatically, and shell fragment blocks pressure handle again, and the valve pressure handle is in the security protection state, makes things convenient for the recycling of fire extinguisher.

Below in conjunction with drawings and the specific embodiments the utility model is done and to be described in further detail.

Description of drawings

Fig. 1 is the structural representation of existing fire extinguisher;

Fig. 2 is three-dimensional exploded view of the present utility model;

Fig. 3 is combination schematic diagram of the present utility model (original state);

Fig. 4 is use schematic diagram one of the present utility model (released state);

Fig. 5 is use schematic diagram two of the present utility model (pressed state).

Label declaration

Body 10 carrying handles 20

Spout 30 buttons 40

Valve 50 pressure handles 60

Back-moving spring 70 keyholes 80

Safety cock 90

Carrying handle 1 pressure handle 2

The perforation 31 that notch cuttype perforation 3 is narrower

Wider perforation 32 steps 33

Shell fragment 4 operating sides 41

Draw-in groove 42 valve buttons 5

Back-moving spring 6.

The specific embodiment

As shown in Figures 2 and 3, the utility model has disclosed a kind of extinguisher valve pressure handle safety device, is installed on carrying handle 1 and the pressure handle 2.One end of pressure handle 2 and carrying handle 1 is articulated.

The improvement of this case is: offer up-narrow and down-wide notch cuttype perforation 3 on the pressure handle 2, namely comprise narrower perforation 31 and wider perforation 32, have step 33 between narrower perforation 31 and the wider perforation 32.Be provided with a strip shell fragment 4 between the opening of carrying handle 1 and pressure handle 2, the lower end of shell fragment 4 is fixed on the carrying handle 1, the upper end of shell fragment 4 is that stretch out from the perforation 3 of pressure handle 2 operating side 41, the neck left and right sides of operating side 41 also respectively has a draw-in groove 42, when the neck of operating side 41 is arranged in narrower perforation 31, cooperate with narrower perforation 31 peritremes by this draw-in groove 42, make pressure handle 2 be in locking state, and when the neck of operating side 41 is arranged in wider perforation 32, break away from narrower perforation 31 peritremes by this draw-in groove 42, make pressure handle 2 be in released state.

In order conveniently to stir shell fragment 4, the present embodiment also is coated with flexible material on operating side 41.

The utility model is used for fire extinguisher, under the untapped original state, as shown in Figure 3, the neck of operating side 41 is arranged in narrower perforation 31 and draw-in groove 42 and cooperates with narrower perforation 31 peritremes, this moment pressure handle 2 on locking bit, can't implement push action to pressure handle 2, namely the valve pressure handle is in the security protection state, and fire extinguisher can't use.

When the utility model uses, as shown in Figure 4, the operating side 41 that only need to touch forward shell fragment 4, to the narrower perforation 31 of draw-in groove 42 disengagings, pressure handle 2 loses the support gravitate of draw-in groove 42 slightly to moving down, draw-in groove 42 is positioned at the top of pressure handle 2, and operating side 41 is arranged in wider perforation 32, make pressure handle 2 keep released states, avoid the operating side 41 of shell fragment 4 to enter to reset in the narrower perforation 31 and lock, shell fragment 4 no longer blocks pressure handle 2, thereby pressure handle 2 can be pressed and press valve button 5 downwards, this moment, fire extinguisher can normally use as shown in Figure 5, and only needed singlehanded just possibility pressing operation.

After finishing using, stirring pressure handle 2 moves upward, shell fragment 4 because of self elasticity so that draw-in groove 42 rebounds automatically in the narrower perforation 31, shell fragment 4 blocks pressure handle 2 again by draw-in groove 42, be repositioned to as shown in Figure 3 original state, pressure handle 2 can't press valve button 5, thereby makes fire extinguisher be in stand-by state.

Above-mentioned only is specific embodiment of the utility model, but design concept of the present utility model is not limited to this, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.

Claims

1. extinguisher valve pressure handle safety device, be installed on carrying handle and the pressure handle, one end of pressure handle and carrying handle is articulated, it is characterized in that: offer up-narrow and down-wide notch cuttype perforation on the pressure handle, be provided with a strip shell fragment between the opening of carrying handle and pressure handle, the lower end of shell fragment is fixed on the carrying handle, the upper end of shell fragment is that stretch out from the perforation of pressure handle the operating side, the neck left and right sides of the operating side also peritreme of corresponding narrower perforation respectively has a draw-in groove, and whether pressure handle cooperates with narrower perforation peritreme by the neck draw-in groove of operating side and be and lock or released state.

2. a kind of extinguisher valve pressure handle safety device according to claim 1, it is characterized in that: the operating side of shell fragment also is coated with flexible material.