TW201406425A - Switch mechanism of fire extinguisher - Google Patents

Abstract

A switch mechanism of a fire extinguisher includes a valve seat having a valve switch. The valve seat pivotably couples to a gusset plate, and the gusset plate is connected to a sliding member sliding along a slide path while the gusset plate is pressured. A restoring component is connected between the sliding member and the valve seat. A backboard having a retaining member pivotably couples to the valve seat. When the backboard is closed to the fire extinguisher through rotating, the retaining member blocks a slide path of the sliding member to prevent the sliding member and the gusset plate from being moved away from original position while being pressured. So the fire extinguisher is more convenient in operation.

Description

Fire extinguisher switch mechanism

The present invention relates to a fire extinguisher, and more particularly to a switch mechanism for a fire extinguisher.

Due to the increasing progress of the society, the factory or indoor electrical appliances or flammable decorations such as home office shops or factories are much larger than the previous usage, and the fire extinguisher is a personally operated fire extinguishing tool. At present, the fire extinguisher commonly used in the market mainly has a structure in which a valve body is combined with a valve seat, and the valve seat is provided with a spout for a nozzle to eject the fire extinguishing agent, and the problem of erupting the ejecting agent due to the false contact with the gusset plate is solved in the gusset plate and the valve. A safety pin is inserted between the seats to prevent accidental contact with the gusset plate to allow the fire extinguishing agent to be ejected at will.

However, although the conventional fire extinguisher device is provided with a safety pin, the safety pin is easily detached due to rust or other reasons, so that the safety pin cannot be removed in time in the event of a fire, so that the shackle cannot be pressed. The fire extinguishing agent is ejected, thus delaying the timing of the fire fighting.

Accordingly, the object of the present invention is to provide a switch mechanism for a fire extinguisher, which can quickly remove the lock state of the gusset plate and quickly use the fire extinguisher to perform the fire extinguishing operation while avoiding the arbitrarily squirting of the fire extinguishing agent by the fire extinguisher.

The technical means adopted by the present invention to solve the problems of the prior art is a switch mechanism of a fire extinguisher, including a valve seat having a valve seat The valve switch that is triggered to open, the valve seat is pivotally connected with a squeezing plate that is pressed to trigger the valve switch, and the gusset plate is connected with a sliding member, and the sliding member slides along a sliding path when the gusset plate is pressed, and slides A reset member is connected between the piece and the valve seat to reset the sliding member and the gusset plate to a position to be pressed when the pressure is not pressed, and a supporting plate is pivotally connected to the valve seat, and the supporting plate has a stopping portion on the supporting plate When rotating and being gathered into the fire extinguisher, the stopping portion is rotationally displaced to stop on the sliding path of the sliding member to prevent the sliding member and the gusset from being pressed and moved away from the position to be pressed.

In an embodiment of the invention, the reset member is a torsion spring member having a torsion pivot portion and a torsion arm portion connected to the torsion pivot portion. The torsion pivot portion is disposed at a pivotal connection between the buckle plate and the valve seat, and the twist arm The extension is connected to the connection between the gusset and the sliding member.

In an embodiment of the invention, the valve seat has a sliding slot, and the sliding member has a sliding guiding portion, and the sliding guiding portion is slidably disposed in the sliding slot to cause the sliding member to follow the sliding path when the gusset is pressed slide.

In another embodiment of the invention, the reset member is a spring member disposed in the chute and coupled between the sliding guide and the valve seat.

In an embodiment of the invention, the gusset plate and the sliding member are connected by a pivoting portion.

In an embodiment of the invention, the distance between the pivoting portion and the pivoting portion of the pivoting portion of the gusset plate and the valve seat is greater than the distance between the valve switch and the pivoting portion of the pivoting portion of the gusset plate and the valve seat.

In an embodiment of the invention, the stopping portion has a blocking end edge inclined to the sliding path, and the position of the blocking end edge on the sliding path changes with the rotation angle.

In an embodiment of the invention, the pallet has a plate body portion, and the plate body portion and the blocking portion are respectively located on different sides of the pivoting portion of the pivotal joint between the pallet and the valve seat.

In an embodiment of the invention, the pallet has a plate portion having an arcuate portion, and the curved portion has a holding space inside the arc.

In an embodiment of the invention, a fixing member is further included to fix the pallet and the fire extinguisher.

Through the technical means adopted by the invention, the fire extinguisher can be suspended and folded in a state where it is not needed, so as to prevent the bracket from protruding outwardly to the fire extinguisher for convenient storage. Moreover, the fire extinguisher can quickly release the locked state of the pallet so that the fire extinguisher can be used for the fire fighting operation in time. Thereby, at the same time, the safety and convenience of the fire extinguisher are improved.

The specific embodiments of the present invention will be further described by the following examples and the accompanying drawings.

Please refer to FIG. 1 and FIG. 2 simultaneously. FIG. 1 is a perspective view showing a switch mechanism of a fire extinguisher according to an embodiment of the present invention, and FIG. 2 is an exploded view showing a switch mechanism of a fire extinguisher according to an embodiment of the present invention. . A switching mechanism of one embodiment of the present invention is configured to be coupled to a fire extinguisher. The fire extinguisher has a function of firing a fire extinguishing agent to extinguish the fire, and includes a fire extinguisher bottle body 1 and a valve seat 2 disposed on the fire extinguisher bottle body 1.

The valve seat 2 has a valve switch 20 that is activated to be activated. When the valve switch 20 is opened, the fire extinguishing agent in the fire extinguisher body 1 is ejected through a nozzle 21 of the valve seat 2 to extinguish the fire.

The valve seat 2 is pivotally connected to a gusset 3 that is pressed to trigger the valve switch 20. The shackle 3 is connected to a sliding member 31, and the sliding member 31 slides along a sliding path R when the gusset 3 is pressed. In this embodiment, the valve seat 2 has a sliding slot 22, and the sliding member 31 has a sliding guiding portion 311. The sliding guiding portion 311 is slidably disposed in the sliding slot 22 to cause the sliding member 31 to be on the gusset plate 3. The pressure is pressed to slide along the sliding path R. Although in the present embodiment, the sliding path R is a straight path, the present invention is not limited thereto, and the sliding path R may also be an arc path.

Referring to FIG. 3a, a cross-sectional view of a switch mechanism according to an embodiment of the present invention is connected between the pinch plate 3 and the slider 31 by a pivot portion 312. The distance P1 between the pivoting portion 312 and the pivoting portion 23 of the pivoting portion of the gusset 3 and the valve seat 2 is greater than the distance P2 between the valve switch 20 and the pivoting portion 23 of the pivoting portion of the gusset 3 and the valve seat 2. When the fire extinguisher operator presses the gusset 3, because the distance of the P1 force arm is greater than the distance of the P2 force arm, on the one hand, the fire extinguisher operator presses the gusset 3 more labor-savingly, and on the other hand, the sliding member 31 slides longer distance. .

Further, a reset member 32 is connected between the slider 31 and the valve seat 2 to reset the slider 31 and the gusset 3 to a position to be pressed when the pressure is not pressed. In this way, the resetting member 32 can help the fire extinguisher user to automatically return to the original position after pressing the gusset 3.

The reset member 32 is a torsion spring member in this embodiment, and has a twisted portion 321 and a twisted arm portion 322 that connects the twisted portion 321 . The twisting arm portion 321 is disposed at a pivotal joint of the gusset plate 3 and the valve seat 2, and the twisting arm portion 322 is extendedly connected to the joint of the gusset plate 3 and the sliding member 31. The reset member can also be set in other ways. In another embodiment, as shown in FIG. 3b, the reset member 32a is a spring member disposed in the chute 22 and connected between the sliding guide 311 and the valve seat 2. In this way, the resetting member 32a can also help the fire extinguisher user to automatically return to the original position after pressing the gusset 3.

In addition, a gusset cover 33 is arranged on the gusset 3, so that when the fire extinguisher is used for extinguishing the fire, the fire extinguisher gusset 3 can be pressed more smoothly.

Referring to Fig. 4, there is shown a side view of the switch mechanism of the fire extinguisher of the embodiment of the present invention. The valve seat 2 is also pivotally connected with a pallet 4, and the pallet 4 has There is a stopper portion 41. When the pallet 4 rotates and is gathered around the fire extinguisher, the stopper portion 41 is rotationally displaced to block the sliding path R of the slider 31 to prevent the slider 31 and the gusset 2 from being pressed. The position to be pressed is removed, and Figure 4 also shows the schematic of the fire extinguisher before use.

The stopper portion 41 has a stopper end edge 411 inclined to the sliding path R, and the position of the stopper end edge 411 on the sliding path R changes with the rotation angle as shown in FIG. 5, and FIG. 5 also shows the use of the fire extinguisher. The schematic diagram after.

The pallet 4 further has a plate body portion 42. The plate body portion 42 and the stopper portion 41 are respectively located on different sides of the pivoting portion 43 of the pivotal joint between the pallet 4 and the valve seat 2. The plate portion 42 has an arcuate portion having a gripping space 44 on the inner side of the arc. In this way, when the fire extinguisher operator uses the fire extinguisher, it is convenient to extend the hand into the holding space 44 on the inner side of the arc of the pallet 4.

The fire extinguisher can suspend and hold the pallet 4 in a state where it is not needed, so as to prevent the bracket 4 from protruding outwardly from the bottle body 1 and the valve seat 2 for convenient storage.

A fixing member 5 is provided between the pallet 4 and the fire extinguisher bottle body 1, and the fixing member 5 is fastened to the fire extinguisher bottle body 1. The fixing member 5 can assist the fixing of the pallet 4 in an unused state in a state where the fire extinguisher is not required to be used.

It can be seen from the above embodiments that the reset member 32 resets the slider 31 and the gusset 3 to a position to be pressed when the fire extinguisher is not in use. When the fire extinguisher is operated, the stopper portion 42 can be released from the sliding of the slider 31 by pulling the pallet 4 up, and the buckle plate 3 can be pressed to extinguish the fire. After the user presses the gusset 3, the reset member 32 causes the gusset 3 to automatically return to the original position. This also enhances the safety and ease of use of the fire extinguisher.

Therefore, the switch mechanism of the fire extinguisher provided by the present invention has industrial utilization value, and the present invention has already met the requirements of the patent. However, the above description is only illustrative of the preferred embodiment of the present invention. The artist may make various other modifications in light of the above description, but such changes are still within the scope of the invention and the scope of the invention as defined below.

1‧‧‧Fire extinguisher bottle

2‧‧‧ valve seat

20‧‧‧Valve switch

21‧‧‧ sprinkler

22‧‧‧Chute

23‧‧‧ pivotal department

3‧‧‧ 扣板

31‧‧‧Sliding parts

311‧‧‧Sliding guide

312‧‧‧ pivotal department

32‧‧‧Reset components

32a‧‧‧Reset components

321‧‧‧Twisted

322‧‧‧Twisted arm

33‧‧‧ buckle cover

4‧‧‧ pallet

41‧‧‧stops

411‧‧‧stop edge

42‧‧‧ Board Department

43‧‧‧ pivotal department

44‧‧‧ holding space

5‧‧‧Fixed components

R‧‧‧Sliding path

P1‧‧‧ distance

Fig. 1 is a perspective view showing a switch mechanism of a fire extinguisher according to an embodiment of the present invention.

Figure 2 is an exploded view showing the complex switching mechanism of one embodiment of the present invention.

Figure 3a is a cross-sectional view showing the switching mechanism of one embodiment of the present invention.

Figure 3b is a cross-sectional view showing the switching mechanism of another embodiment of the present invention.

Fig. 4 is a side view showing a switch mechanism of an embodiment of the present invention.

Figure 5 is a schematic view showing the use of the switching mechanism of one embodiment of the present invention.

1‧‧‧Fire extinguisher bottle

2‧‧‧ valve seat

20‧‧‧Valve switch

21‧‧‧ sprinkler

22‧‧‧Chute

3‧‧‧ 扣板

31‧‧‧Sliding parts

311‧‧‧Sliding guide

312‧‧‧ pivotal department

32‧‧‧Reset components

321‧‧‧Twisted

322‧‧‧Twisted arm

33‧‧‧ buckle cover

4‧‧‧ pallet

41‧‧‧stops

411‧‧‧stop edge

42‧‧‧ Board Department

43‧‧‧ pivotal department

5‧‧‧Fixed components

R‧‧‧Sliding path

Claims (10)

A switch mechanism for a fire extinguisher includes a valve seat having a valve switch that is activated to be opened, and the valve seat is pivotally connected to a shackle that is pressed to trigger the valve switch, wherein the gusset is connected to a sliding member The sliding member slides along a sliding path when the gusset is pressed, and a reset member is connected between the sliding member and the valve seat to make the sliding member and the gusset plate uncompressed. In a position to be pressed, a pallet is pivotally connected to the valve seat, and the pallet has a stopping portion. When the pallet rotates to gather on the fire extinguisher, the stopping portion is rotationally displaced to block the sliding. The sliding path of the member prevents the sliding member and the gusset from being pressed away from the position to be pressed. The switch mechanism of the fire extinguisher of claim 1, wherein the reset member is a torsion spring member having a twisted portion and a twisted arm portion connecting the twisted portion, wherein the twisted portion is disposed The pivoting portion of the gusset plate and the valve seat is extended to the connection between the gusset plate and the sliding member. The switch mechanism of the fire extinguisher of claim 1, wherein the valve seat has a sliding slot, the sliding member has a sliding guiding portion, and the sliding guiding portion is slidably disposed in the sliding slot to make the sliding The piece slides along the sliding path when the gusset is pressed. The switch mechanism of the fire extinguisher of claim 3, wherein the reset member is a spring member disposed in the chute and connected between the sliding guide and the valve seat. The switch mechanism of the fire extinguisher of claim 1, wherein the gusset and the sliding member are connected by a pivoting portion. The switch mechanism of the fire extinguisher of claim 5, wherein the distance from the pivoting portion to the pivotal connection of the gusset plate and the valve seat is greater than the pivotal connection of the valve switch to the gusset plate and the valve seat. The distance. The switch mechanism of the fire extinguisher of claim 1, wherein the stop portion has a stop end edge inclined to the sliding path, and the position of the stop end edge on the sliding path changes with a rotation angle . The switch mechanism of the fire extinguisher of claim 1, wherein the pallet has a plate body portion, and the plate body portion and the stopping portion are respectively located at a pivotal connection between the plate and the valve seat. Different sides. The switch mechanism of the fire extinguisher according to claim 1, wherein the pallet has a plate portion having an arcuate portion, and the arc portion has a holding space inside the arc. The switch mechanism of the fire extinguisher according to claim 1, further comprising a fixing member for fixing the pallet with the fire extinguisher.