Fire extinguisher with trigger device

Abstract

The utility model discloses a fire extinguisher with a trigger device, which comprises a placing rack, a fire extinguisher body, a first connecting rod, a second connecting rod and a driving mechanism, the fire extinguisher body is movably arranged in the placing rack, a valve for pressing is arranged at the top end of the fire extinguisher body, one end of the first connecting rod is connected with the valve, and the other end of the first connecting rod is connected with the driving mechanism. One end, opposite to the first connecting rod, of the second connecting rod is hinged with a driving mechanism arranged on the placing frame. The fire extinguisher is simple and compact in structure, the second connecting rod is driven by the driving mechanism to swing, and the second connecting rod further drives the first connecting rod to swing towards the fire extinguisher body, so that a valve at the top end of the fire extinguisher body can be pressed, and the first connecting rod is disconnected from the valve at the top end of the fire extinguisher body during dismounting; and then the fire extinguisher body is placed in the placing rack or taken out from the placing rack, so that the fire extinguisher is convenient to disassemble, assemble and use.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting equipment, in particular to a fire extinguisher with a trigger device. Background Art

[0002] In order to quickly respond to fires, the robot is equipped with a fire extinguisher. When using a traditional fire extinguisher, you need to press the valve pressure plate, and then the dry powder is sprayed out from the nozzle under the pressure of the air in the bottle. In order to reduce the harm of fire to the human body, existing fire extinguishers usually replace manual valve pressing by setting a trigger device, usually by driving the slider to move and press by a screw or by using an electric push rod to extend and retract to achieve pressing. However, the above-mentioned press trigger device is large in size, complex in structure, not compact enough, and inconvenient to disassemble and replace the fire extinguisher. In addition, the thrust setting of the electric push rod is large, the thrust surplus is large, and the use cost is high. Utility Model Content

[0003] The utility model aims to provide a fire extinguisher with a trigger device to solve the problems of the fire extinguisher push trigger device proposed in the above background technology being large in size, complex in structure, and inconvenient to disassemble and replace the fire extinguisher.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A fire extinguisher with a trigger device comprises a placement rack, a fire extinguisher body, a first connecting rod, a second connecting rod and a driving mechanism. The fire extinguisher is movably arranged in the placement rack, a valve for pressing is arranged on the top of the fire extinguisher body, one end of the first connecting rod is connected to the valve, and the other end is hinged to one end of the second connecting rod, and the second connecting rod is hinged to the driving mechanism arranged on the placement rack relative to one end of the first connecting rod.

[0006] Preferably, the driving mechanism includes a linear motor body and a telescopic rod, wherein the linear motor body is fixedly mounted on a placement frame, the telescopic rod is escalably mounted in the linear motor body, and one end of the telescopic rod is upwardly connected to one end of the second connecting rod relative to the linear motor body.

[0007] Preferably, the placement rack includes a backrest and two side edges, the two side edges are relatively arranged on one side of the backrest and are respectively connected to the two side ends of the backrest, and the backrest and the two side edges form a accommodating space for placing the fire extinguisher body.

[0008] Preferably, the placement rack includes two retaining portions, which are respectively connected to one end of the two side edges away from the backrest portion, and are used to limit the fire extinguisher body from tipping over from the accommodating space.

[0009] Preferably, the retaining portion is L-shaped, having two vertical sides perpendicular to each other, one of which is parallel to the backrest portion, and the other is connected to the side portion.

[0010] Preferably, the bottom ends of the backrest portion and the side edges are connected to a horizontally arranged bottom support plate.

[0011] Compared with the prior art, the beneficial effects of the utility model are: its structure is simple and compact, and the second connecting rod is driven to swing by the driving mechanism, and the second connecting rod further drives the first connecting rod to swing, so as to press the valve at the top of the fire extinguisher body. When disassembling and assembling, the first connecting rod is disconnected from the valve at the top of the fire extinguisher body, and then the fire extinguisher body is placed in the placement rack or taken out from the placement rack, which is convenient for disassembly and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a three-dimensional diagram of a fire extinguisher with a trigger device of the utility model without being triggered and pressed;

[0013] Figure 2 This is a three-dimensional diagram of a fire extinguisher with a trigger device according to the utility model when the trigger is pressed;

[0014] Figure 3 This is an exploded view of a fire extinguisher with a trigger device according to the utility model;

[0015] Figure 4 It is a structural schematic diagram of the placement rack of the utility model.

[0016] The markings in the figure correspond to the following:

[0017] 1-placing frame; 11-backrest; 12-side portion; 13-blocking portion; 14-bottom support plate; 2-fire extinguisher body; 3-first connecting rod; 4-second connecting rod; 5-driving mechanism; 51-linear motor body; 52-telescopic rod. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-2A fire extinguisher with a trigger device includes a placement rack 1, a fire extinguisher body 2, a first connecting rod 3, a second connecting rod 4 and a driving mechanism 5. The fire extinguisher body 2 is movably arranged in the placement rack 1. A valve for pressing (not shown) is arranged on the top of the fire extinguisher body 2. The valve adopts a common press-type valve in the prior art, and its structure is not described here. One end of the first connecting rod 3 is connected to the valve, and the other end is hinged to one end of the second connecting rod 4. The second connecting rod 4 is hinged to one end of the first connecting rod 3 and the driving mechanism 5 arranged on the placement rack 1. The driving mechanism 5 is used to drive the second connecting rod 4 to swing.

[0020] See also Figure 2-3 The driving mechanism 5 includes a linear motor body 51 and a telescopic rod 52. The linear motor body 51 is fixedly arranged on the placement frame 1, and the telescopic rod 52 is lifted and lowered in the linear motor body 51. One end of the telescopic rod 52 is upwardly connected to one end of the second connecting rod 4 relative to the linear motor body 51.

[0021] See also Figure 3-4 The placement rack 1 includes a backrest 11 and two side edges 12, the two side edges 12 are arranged on one side of the backrest 11 and are respectively connected to the two side ends of the backrest 11, and the backrest 11 and the two side edges 12 form a receiving space for the fire extinguisher body 2. The backrest 11 and the two side edges 12 are hollow structures, making the whole device lighter, more practical and convenient, and it is also more time-saving and labor-saving when replacing the fire extinguisher body 2.

[0022] The placement rack 1 includes two retaining portions 13, which are respectively connected to one end of the side portions 12 away from the backrest 11, and are used to limit the fire extinguisher body 2 from tipping over from the accommodating space. In this embodiment, the retaining portion 13 is L-shaped, having two vertical sides perpendicular to each other, one of which is parallel to the backrest 11, and the other is connected to the side portion 12.

[0023] Preferably, the bottom ends of the backrest portion 11 and the side edges 12 are connected to a horizontally arranged bottom support plate 14 , and the bottom support plate 14 extends into the accommodating space to be supported at the bottom of the fire extinguisher body 2 .

[0024] The working principle of the fire extinguisher with a trigger device of the utility model is: Figure 1 As shown, when the valve at the top of the fire extinguisher body 2 is in an untriggered state, the first connecting rod 3 and the second connecting rod 4 do not protrude outward relative to the side ends of the fire extinguisher body 2, and the entire structure is relatively compact; the second connecting rod 4 is driven to swing by the driving mechanism 5, and the second connecting rod 4 further drives the first connecting rod 3 to swing closer to the fire extinguisher body 2, so that the valve at the top of the fire extinguisher body 2 can be pressed, and the volume of the entire device does not increase but decreases during use, as shown in FIG. Figure 2When disassembling and assembling, first disconnect the first connecting rod 3 from the valve at the top of the fire extinguisher body 2, and then place the fire extinguisher body 2 into the placement rack 1 or take the fire extinguisher body 2 out of the placement rack 1, which is convenient for disassembly and assembly and use.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fire extinguisher with a trigger device, characterized in that: The fire extinguisher comprises a placement rack (1), a fire extinguisher body (2), a first connecting rod (3), a second connecting rod (4) and a driving mechanism (5); the fire extinguisher body (2) is movably arranged in the placement rack (1); a valve for pressing is arranged at the top of the fire extinguisher body (2); one end of the first connecting rod (3) is connected to the valve, and the other end is hinged to one end of the second connecting rod (4); the second connecting rod (4) is hinged to one end of the first connecting rod (3) and the driving mechanism (5) arranged on the placement rack (1).

2. A fire extinguisher with a trigger device according to claim 1, characterized in that: The driving mechanism (5) comprises a linear motor body (51) and a telescopic rod (52); the linear motor body (51) is fixedly arranged on the placement frame (1); the telescopic rod (52) is arranged in the linear motor body (51) in a lifting manner; one end of the telescopic rod (52) is upwardly connected to one end of the second connecting rod (4) relative to the linear motor body (51).

3. A fire extinguisher with a trigger device according to claim 1 or 2, characterized in that: The placement rack (1) comprises a backrest (11) and two side edges (12); the two side edges (12) are arranged opposite to each other on one side of the backrest (11) and are respectively connected to two side ends of the backrest (11); the backrest (11) and the two side edges (12) form a receiving space for the fire extinguisher body (2) to be placed therein.

4. A fire extinguisher with a trigger device according to claim 3, characterized in that: The placement rack (1) comprises two retaining portions (13), which are respectively connected to one end of the two side edges (12) away from the backrest (11) and are used to limit the fire extinguisher body (2) from tipping over from the inside of the accommodating space.

5. A fire extinguisher with a trigger device according to claim 4, characterized in that: The retaining portion (13) is L-shaped and has two vertical sides that are perpendicular to each other, one of which is parallel to the backrest portion (11) and the other is connected to the side portion (12).

6. A fire extinguisher with a trigger device according to claim 3, characterized in that: The bottom ends of the backrest portion (11) and the side edges (12) are both connected to a horizontally arranged bottom support plate (14).

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