CN215387173U

CN215387173U - Novel dry powder fire extinguisher

Info

Publication number: CN215387173U
Application number: CN202121304711.XU
Authority: CN
Inventors: 何虎; 易建军; 谢平
Original assignee: Sichuan Huian Tairui Technology Co ltd
Current assignee: Sichuan Huian Tairui Technology Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-01-04
Anticipated expiration: 2031-06-10

Abstract

The utility model discloses a novel dry powder fire extinguisher, which comprises a fire extinguisher body, wherein a powder outlet of the fire extinguisher body is sequentially connected with a conveying pipe and a nozzle, the conveying pipe comprises a hose and a telescopic straight pipe which are connected, and the powder outlet of the fire extinguisher body is sequentially connected with the hose, the telescopic straight pipe and the nozzle. The flexible fire extinguisher adopts the hose and the telescopic straight pipe to form the conveying pipe, the steering flexibility of the conveying pipe is kept, the safe distance between fire extinguishers and flame and toxic smoke is increased, the use safety is high, and the conveying pipe can be quickly stretched.

Description

Novel dry powder fire extinguisher

Technical Field

The utility model relates to a device in the field of fire fighting, in particular to a novel dry powder fire extinguisher.

Background

The dry powder fire extinguisher is convenient to move and widely applied to various places with higher fire safety requirements. The existing dry powder fire extinguisher needs manual lifting of the front end of the spray pipe when fire is extinguished due to the limited length of the soft spray pipe, and is closer to a fire point for fire extinguishment, so that a user is easily burnt by flame and is harmed by toxic smoke which is not fully combusted in a fire disaster, and the use safety is poor. In the prior art, a dry powder fire extinguisher provided with a telescopic spray pipe exists, but the telescopic function of the spray pipe is usually realized by movably connecting a plurality of sections of rigid pipes, and the rigid pipes influence the steering flexibility of the spray pipe during use; in addition, the extension and the shortening of the telescopic spray pipe in the prior art are not fast enough, and the fire extinguishing speed is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provides a fire extinguisher, which adopts a hose and a telescopic straight pipe to form a conveying pipe, increases the safety distance between fire extinguishers and flame and toxic smoke while keeping the steering flexibility of the conveying pipe, has high use safety, and can quickly stretch the conveying pipe.

The purpose of the utility model is mainly realized by the following technical scheme:

the utility model provides a novel dry powder fire extinguisher, includes fire extinguisher body, and fire extinguisher body goes out the powder mouth and has connected gradually conveyer pipe and spout, the conveyer pipe is including the hose and the scalable straight tube that are connected, and fire extinguisher body goes out the powder mouth and connects gradually hose, scalable straight tube and spout.

Preferably, the telescopic straight pipe comprises a main pipe and a sub pipe, the right end of the main pipe is fixedly connected with the hose, the right end of the sub pipe is movably sleeved outside the left end of the main pipe, the left end of the sub pipe is connected with the nozzle, and the sub pipe can linearly move along the main pipe; be equipped with control assembly on being responsible for, control assembly is used for controlling the subduct and follows the main pipe rectilinear movement.

Preferably, the control assembly comprises a shell, a first spring and a driving structure, the shell is fixedly sleeved outside the main pipe, the diameter of the shell is larger than that of the sub pipe, an installation ring is coaxially arranged in the shell, and the first spring is arranged on the right side of the installation ring; the driving structure is arranged on the shell through the groove and comprises a button, a second spring, a connecting rod, a limiting rod and a supporting rod, the supporting rod is vertically and fixedly arranged at the bottom of the groove, the middle part of the connecting rod is movably connected to the top of the supporting rod, the limiting rod is downwards arranged at the left end of the connecting rod, the button is upwards arranged at the right end of the connecting rod, and the second spring is fixedly arranged between the bottom of the groove and the bottom of the button; the lower part of the limiting rod extends into the shell through the through hole, a limiting ring is arranged outside the right part of the sub-tube, the distance from the bottom of the limiting rod to the sub-tube is smaller than the distance from the top of the limiting ring to the sub-tube, the left side surface of the limiting rod is an arc surface, and the right side surface of the limiting ring is an inclined surface; the right end of the sub-pipe is provided with an inner folded ring edge, the left side of the inner folded ring edge is provided with a magnet ring, the left end of the main pipe is provided with an outer folded ring edge, and the right side of the outer folded ring edge is also provided with a magnet ring;

when the telescopic straight pipe is in a shortened state, the folded ring edge in the right end face of the sub pipe contacts the first spring and enables the first spring to be in a compressed state, and the right side face of the lower part of the limiting rod contacts the left side face of the limiting ring; when the telescopic straight pipe is in an extension state, the first spring is in a relaxation state, the limiting ring is separated from the limiting rod and is positioned on the left side of the limiting rod, and the magnet ring of the sub-pipe 7 is attracted with the magnet ring of the main pipe.

In conclusion, the utility model has the following beneficial effects: adopt hose and scalable straight tube to constitute the conveyer pipe, during the use, the scalable straight tube of personnel of putting out a fire, handheld scalable straight tube is close to the one end of hose, and the spout of connecting through the scalable straight tube other end is to the ignition point in a distance dusting and put out a fire. The hose has kept the conveyer pipe and has turned to the flexibility, and scalable straight tube has increased the safe distance that the personnel of putting out a fire left flame and poisonous flue gas, and the safety in utilization is high. In addition, the extension and contraction operations of the telescopic straight pipe are quick, so that the fire can be quickly extinguished.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the principles of the utility model.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

FIG. 2 is a cross-sectional view of a shortened telescopic tube of the present invention.

FIG. 3 is a cross-sectional view of the elongated telescopic tube of the present invention.

In the figure: 1-fire extinguisher body, 2-nozzle, 3-hose, 4-main pipe, 5-first spring, 6-driving structure, 61-button, 62-supporting rod, 63-connecting rod, 64-limiting rod, 65-second spring, 7-sub-pipe, 8-telescopic straight pipe, 9-shell, 10-mounting ring, 11-limiting ring, 12-inward-folded ring edge, 13-magnet ring and 14-outward-folded ring edge.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the utility model. That is, in some embodiments of the utility model, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indications such as up, down, left, right, front and rear … … in the embodiment of the present invention are only used to explain the relative positional relationship, movement, etc. between the components in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

It should be further noted that the descriptions related to "first", "second", etc. in the present invention are only used for descriptive purposes, not specifically referring to the order or sequence, and not for limiting the present invention, but only for distinguishing the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

In addition, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "coupled" are intended to be inclusive and mean, for example, that is, fixedly coupled, removably coupled, or integrally coupled; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

a novel dry powder fire extinguisher is shown in figure 1 and comprises a fire extinguisher body 1, wherein a powder outlet of the fire extinguisher body 1 is sequentially connected with a conveying pipe and a nozzle 2. The conveyer pipe is including the hose 3 and the scalable straight tube 8 that are connected, and fire extinguisher body 1 goes out the powder mouth and connects gradually hose 3, scalable straight tube 8 and spout 2.

The utility model adopts the hose 3 and the telescopic straight pipe 8 to form the conveying pipe, when in use, a fire extinguisher can extend the telescopic straight pipe 8, hold the telescopic straight pipe 8 to be close to one end of the hose 3, and spray the powder to a distant ignition point through the nozzle 2 connected with the other end of the telescopic straight pipe 8 to extinguish fire. Hose 3 is used for keeping the conveyer pipe to turn to the flexibility, and scalable straight tube 8 is used for increasing the safe distance that the personnel of putting out a fire left flame and poisonous flue gas, and the safety in utilization is high.

Specifically, as shown in fig. 2 and 3, the telescopic straight pipe 8 includes a main pipe 4 and a sub pipe 7, the right end of the main pipe 4 is fixedly connected with the hose 3, the left end of the main pipe 4 is movably sleeved on the right end of the sub pipe 7, the left end of the sub pipe 7 is connected with the nozzle 2, and the sub pipe 7 can linearly move along the main pipe 4; the main pipe 4 is provided with a control component which is used for controlling the sub-pipe 7 to move linearly along the main pipe 4.

The control assembly comprises a shell 9, a first spring 5 and a driving structure 6, the shell 9 is fixedly sleeved outside the main pipe 4, the diameter of the shell 9 is larger than that of the sub-pipe 7, an installation ring 10 is coaxially arranged in the shell 9, and the first spring 5 is arranged on the right side of the installation ring 10; the drive structure 6 is arranged on the housing 9 by means of a recess. Drive structure 6 includes button 61, second spring 65, connecting rod 63, gag lever post 64 and bracing piece 62, and the vertical fixed mounting of bracing piece 62 is in the recess bottom, and connecting rod 63 middle part swing joint is at the bracing piece 62 top, and connecting rod 63 left end is located downwards to gag lever post 64, and the connecting rod 63 right-hand member is upwards located to button 61, and second spring 65 fixed mounting is between recess bottom and button 61 bottom.

The lower part of the limiting rod 64 extends into the shell 9 through the through hole, a limiting ring 11 is arranged outside the right part of the sub-tube 7, the distance from the bottom of the limiting rod 64 to the sub-tube 7 is smaller than the distance from the top of the limiting ring 11 to the sub-tube 7, the left side surface of the limiting rod 64 is an arc-shaped surface, and the right side surface of the limiting ring 11 is an inclined surface. The right end of the sub-pipe 7 is provided with an inward folding ring edge 12, the left side of the inward folding ring edge 12 is provided with a magnet ring 13, the left end of the main pipe 4 is provided with an outward folding ring edge 14, and the right side of the outward folding ring edge 14 is also provided with the magnet ring 13.

When the telescopic straight pipe 8 is in a shortened state, the inner dog-leg edge 12 of the right end face of the sub-pipe 7 contacts the first spring 5 and enables the first spring to be in a compressed state, and the right side face of the lower part of the limiting rod 64 contacts the left side face of the limiting ring 11 so as to limit and fix the sub-pipe 7; when the telescopic straight pipe 8 is in an extension state, the first spring 5 is in a relaxation state, the limiting ring 11 is separated from the limiting rod 64 and is positioned on the left side of the limiting rod, the magnet ring 13 of the sub-pipe 7 is attracted with the magnet ring 13 of the main pipe 4, and the sub-pipe 7 is fixed.

The telescopic straight pipe 8 adopts the structure, so that the extension and the shortening operations are rapid, and the fire can be rapidly extinguished. At ordinary times, the telescopic straight pipe 8 is in a shortened state, when the telescopic straight pipe 8 needs to be extended when the dry powder fire extinguisher is used, the button 61 is pressed leftwards to compress the second spring 65, the limiting rod 64 is enabled to be tilted leftwards through the supporting rod 62 and the connecting rod 63, and the limiting ring 11 is not blocked any more. The sub-pipe 7 is popped up along the main pipe 4 by the elasticity of the first spring 5, the second spring 65 and the limiting rod 64 are reset, the sub-pipe 7 is quickly popped and moved to the magnet ring 13 on the inward folded ring edge 12 and the magnet ring 13 on the outward folded ring edge 14 of the main pipe 4 to be sucked, the sub-pipe 7 is fixed, and the telescopic straight pipe 8 can be stretched and fixed.

When the telescopic straight pipe 8 needs to be shortened, the two magnet rings 13 are separated forcefully, the sub-pipe 7 is moved back along the main pipe 4 by hand, the first spring 5 is compressed by abutting against again, the limiting ring 11 is moved to the limiting rod 64, the right side inclined surface of the limiting ring 11 applies force to the left side arc-shaped surface of the limiting rod 64, the second spring 65 is stretched, and the limiting rod 64 tilts upwards to the right side and does not block the limiting ring 11. After the limiting ring 11 moves right and passes through the limiting rod 64, the second spring 65 and the limiting rod 64 reset, the sub-pipe 7 is loosened, the right side face of the lower part of the limiting rod 64 is in contact with the left side face of the limiting ring 11, the sub-pipe 7 is limited and fixed, and the telescopic straight pipe 8 is recovered to be in a shortened state.

Parts not described in the above modes can be realized by adopting or referring to the prior art.

The foregoing is a more detailed description of the present invention in connection with specific preferred embodiments thereof, and it is not intended that the specific embodiments of the present invention be limited to these descriptions. For those skilled in the art to which the utility model pertains, other embodiments that do not depart from the gist of the utility model are intended to be within the scope of the utility model.

Claims

1. The utility model provides a novel dry powder fire extinguisher, includes fire extinguisher body (1), and fire extinguisher body (1) goes out the powder mouth and has connected gradually conveyer pipe and spout (2), its characterized in that, the conveyer pipe is including hose (3) and scalable straight tube (8) that are connected, and fire extinguisher body (1) goes out the powder mouth and connects gradually hose (3), scalable straight tube (8) and spout (2).

2. The novel dry chemical fire extinguisher according to claim 1, characterized in that the telescopic straight pipe (8) comprises a main pipe (4) and a sub pipe (7), the right end of the main pipe (4) is fixedly connected with a hose (3), the left end of the main pipe (4) is movably sleeved on the right end of the sub pipe (7), the left end of the sub pipe (7) is connected with a nozzle (2), and the sub pipe (7) can linearly move along the main pipe (4); the main pipe (4) is provided with a control component which is used for controlling the sub-pipe (7) to move linearly along the main pipe (4).

3. The novel dry powder fire extinguisher as claimed in claim 2, characterized in that the control assembly comprises a housing (9), a first spring (5) and a driving structure (6), the housing (9) is fixedly sleeved outside the main pipe (4), the diameter of the housing (9) is larger than that of the sub pipe (7), a mounting ring (10) is coaxially arranged in the housing (9), and the first spring (5) is arranged on the right side of the mounting ring (10); the driving structure (6) is arranged on the shell (9) through a groove, the driving structure (6) comprises a button (61), a second spring (65), a connecting rod (63), a limiting rod (64) and a supporting rod (62), the supporting rod (62) is vertically and fixedly arranged at the bottom of the groove, the middle of the connecting rod (63) is movably connected to the top of the supporting rod (62), the limiting rod (64) is downwards arranged at the left end of the connecting rod (63), the button (61) is upwards arranged at the right end of the connecting rod (63), and the second spring (65) is fixedly arranged between the bottom of the groove and the bottom of the button (61); the lower part of the limiting rod (64) extends into the shell (9) through the through hole, a limiting ring (11) is arranged outside the right part of the sub-tube (7), the distance from the bottom of the limiting rod (64) to the sub-tube (7) is smaller than the distance from the top of the limiting ring (11) to the sub-tube (7), the left side surface of the limiting rod (64) is an arc-shaped surface, and the right side surface of the limiting ring (11) is an inclined surface; an inner folded ring edge (12) is arranged at the right end of the sub-pipe (7), a magnet ring (13) is arranged on the left surface of the inner folded ring edge (12), an outer folded ring edge (14) is arranged at the left end of the main pipe (4), and the magnet ring (13) is also arranged on the right surface of the outer folded ring edge (14);

when the telescopic straight pipe (8) is in a shortened state, the inner ring-folded edge (12) of the right end face of the sub-pipe (7) contacts the first spring (5) and enables the first spring to be in a compressed state, and the right side face of the lower part of the limiting rod (64) contacts the left side face of the limiting ring (11); when the telescopic straight pipe (8) is in an extension state, the first spring (5) is in a relaxation state, the limiting ring (11) is separated from the limiting rod (64) and is positioned on the left side of the limiting rod, and the magnet ring (13) of the sub-pipe (7) is attracted with the magnet ring (13) of the main pipe (4).