CN210698564U

CN210698564U - Automatic fire extinguisher for preventing spontaneous combustion of automobile

Info

Publication number: CN210698564U
Application number: CN201921140008.2U
Authority: CN
Inventors: 李舒文
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-06-09
Anticipated expiration: 2029-07-19

Abstract

The utility model belongs to the instrument field of putting out a fire, concretely relates to spontaneous combustion automatic fire extinguisher is prevented to car, including fire extinguisher body, the gear box, the cam, the ejector pin, first spring, the second spring, the fourth gear, rack and act as go-between, fire extinguisher body's switch includes handle and switch lower handle on the switch, the lower part of ejector pin has the ejector pin baffle, the upper end of ejector pin is connected with the switch on the handle, first spring cup joints in the ejector pin, the upper end of first spring is connected with the switch lower handle, the lower extreme is connected with the baffle, the upper portion and the cam drive of gear box are connected, the cam is corresponding with the lower extreme of ejector pin, the lower part and the fourth gear drive of gear box are connected, fourth gear and rack toothing, rack one end and second spring coupling, the other end with act as. The utility model discloses a pure mechanical structure does not need the power consumption, and work is independent, does not receive car circuit to catch fire the influence, and the reliability is high.

Description

Automatic fire extinguisher for preventing spontaneous combustion of automobile

Technical Field

The utility model belongs to the instrument field of putting out a fire, concretely relates to spontaneous combustion automatic fire extinguisher is prevented to car.

Background

The automobile spontaneous combustion accidents often happen, which not only causes great property loss to people, but also harms public safety.

At present, the automatic fire extinguishing device is mainly used indoors in buildings, and is used for automatically extinguishing fire by detecting physical parameters such as smoke, pyroelectric infrared rays, high temperature and the like through a sensor and automatically spraying a fire extinguishing agent or water after a fire condition is discovered.

These devices cannot be used in automobiles because of the need to use electricity. The reason is that the automobile spontaneous combustion is often caused by short circuit and fuel leakage. When the circuit is short-circuited, the storage battery cannot provide power for the automatic fire extinguishing device, so that the automatic fire extinguishing device using electricity cannot reliably operate on an automobile.

SUMMERY OF THE UTILITY MODEL

In order to make up the deficiency of the prior art, the utility model provides a technical scheme of the automatic fire extinguisher capable of preventing spontaneous combustion of the automobile.

The automatic fire extinguisher capable of preventing spontaneous combustion for the automobile is characterized by comprising a fire extinguisher body, a gear box, a cam, an ejector rod, a first spring, a second spring, a fourth gear, a rack and a pull wire, wherein a switch of the fire extinguisher body comprises an upper switch handle and a lower switch handle, an ejector rod baffle is arranged on the lower portion of the ejector rod, the upper end of the ejector rod is connected with the upper switch handle, the first spring is sleeved on the ejector rod, the upper end of the first spring is connected with the lower switch handle, the lower end of the first spring is connected with the baffle, the upper portion of the gear box is connected with the cam in a transmission mode, the cam corresponds to the lower end of the ejector rod, the lower portion of the gear box is connected with the fourth gear in a transmission mode, the fourth gear is meshed with.

The automatic fire extinguisher is characterized in that the gear box comprises a gear box shell, a first rotating shaft, a second rotating shaft and a third rotating shaft are sequentially connected from top to bottom in the gear box shell, the first rotating shaft is fixedly connected with a first gear, the second rotating shaft is fixedly connected with a second gear, the third rotating shaft is fixedly connected with a third gear, the three gears are sequentially meshed, the first rotating shaft penetrates out of the gear box shell, the penetrating part is fixedly connected with the cam, the third rotating shaft penetrates out of the gear box shell, and the penetrating part is fixedly connected with a fourth gear.

The automatic fire extinguisher capable of preventing spontaneous combustion for the automobile is characterized in that the first spring is a pressure spring.

The automatic fire extinguisher for preventing spontaneous combustion of the automobile is characterized in that the second spring is a tension spring.

The automatic fire extinguisher capable of preventing spontaneous combustion of the automobile is characterized by further comprising a guide block, wherein the guide block is provided with a guide hole for the ejector rod to penetrate through.

The automatic fire extinguisher capable of preventing the spontaneous combustion of the automobile is characterized in that the cam comprises a wheel part and an L-shaped bulge.

The utility model has the advantages that: the utility model discloses a pure mechanical structure does not need the power consumption, and work is independent, does not receive car circuit to catch fire the influence, and the reliability is high.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a second schematic structural diagram of the present invention;

fig. 3 is the schematic diagram of the internal structure of the middle gear box of the present invention.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-3, the automatic fire extinguisher for preventing spontaneous combustion for automobiles comprises a fire extinguisher body 1, a gear box 2, a cam 3, a push rod 4, a first spring 5, a second spring 6, a fourth gear 7, a rack 8, a guide block 10 and a pull wire 9, wherein a switch of the fire extinguisher body 1 comprises an upper switch handle 100 and a lower switch handle 101, the lower part of the push rod 4 is provided with a push rod baffle 400, the upper end of the push rod 4 passes through the lower switch handle 101 and is connected with the upper switch handle 100, the first spring 5 is sleeved on the push rod 4, the first spring 5 is a compression spring, the upper end of the first spring 5 is connected with the lower switch handle 101, the lower end is connected with the baffle 400, the upper part of the gear box 2 is in transmission connection with the cam 3, the cam 3 corresponds to the lower end of the push rod 4, the lower part of the gear box 2 is in transmission connection with the fourth gear 7, the fourth gear 7 is, the other end of the push rod 4 is connected with a pull wire 9, the second spring 6 is a tension spring, the guide block 10 is positioned between the baffle 400 of the push rod 4 and the cam 3, and the lower end of the push rod 4 penetrates through a guide hole of the guide block 10. The gear box 2 and the guide block 10 can be fixed in an automobile engine compartment or fixed in the fire extinguisher body 1, the rack 8 slides on the automobile engine compartment or the fire extinguisher body 1, and the pull wire 9 and the second spring 6 are connected to the automobile engine compartment.

Preferably, the gear box 2 includes a gear box housing 200, the gear box housing 200 is sequentially rotatably connected with a first rotating shaft 201, a second rotating shaft 202 and a third rotating shaft 203 from top to bottom, the first rotating shaft 201 is fixedly connected with a first gear 204, the second rotating shaft 202 is fixedly connected with a second gear 205, the third rotating shaft 203 is fixedly connected with a third gear 206, the three gears are sequentially engaged, the first rotating shaft 201 penetrates out of the gear box housing 200, the penetrating part is fixedly connected with the cam 3, the third rotating shaft 203 penetrates out of the gear box housing 200, and the penetrating part is fixedly connected with the fourth gear 7.

Preferably, the cam 3 comprises a wheel portion and an L-shaped projection.

Preferably, the push rod 4 is rotatably connected with the switch upper handle 100, and a certain gap is formed between the push rod 4 and the through hole of the switch lower handle 101 and between the push rod 4 and the guide hole of the guide block 10, so that the push rod 4 can slightly swing left and right. In another embodiment of the present invention, the top rod 4 may not be rotatably connected to the switch upper handle 100, but pass through the switch upper handle 100 and set a stopper on the top of the top rod 4, so that the top rod 4 is hung on the switch upper handle 100.

Preferably, the pull wire 9 is made of flammable material.

In normal conditions, as shown in fig. 1, the convex part of the cam 3 is pressed against the lower end of the mandril 4; when a fire occurs in the automobile engine compartment, as shown in fig. 2, the stay wire 9 is burnt off by the fire, the rack 8 is pulled by the second spring 6, the rack 8 drives the fourth gear 7 to rotate, the fourth gear 7 drives the third gear 206 to rotate through the third rotating shaft 203, the third gear 206 sequentially drives the second gear 205 and the first gear 204 to rotate, the first gear 204 drives the cam 3 to rotate through the first rotating shaft 201, the protruding part of the cam 3 no longer props against the lower end of the ejector rod 4, the ejector rod 4 moves under the action of the first spring 5, and the handle 100 is driven to rotate downwards on the switch, so that the fire extinguisher body 1 works.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The automatic fire extinguisher is characterized by comprising a fire extinguisher body, a gear box, a cam, an ejector rod, a first spring, a second spring, a fourth gear, a rack and a pull wire, wherein a switch of the fire extinguisher body comprises an upper switch handle and a lower switch handle, an ejector rod baffle is arranged on the lower part of the ejector rod, the upper end of the ejector rod is connected with the upper switch handle, the first spring is sleeved on the ejector rod, the upper end of the first spring is connected with the lower switch handle, the lower end of the first spring is connected with the baffle, the upper part of the gear box is connected with the cam in a transmission manner, the cam corresponds to the lower end of the ejector rod, the lower part of the gear box is connected with the fourth gear in a transmission manner, the fourth gear is meshed with the rack, one end of.

2. The automatic fire extinguisher capable of preventing spontaneous combustion for the automobile according to claim 1, wherein the gear box comprises a gear box shell, a first rotating shaft, a second rotating shaft and a third rotating shaft are sequentially and rotatably connected in the gear box shell from top to bottom, the first rotating shaft is fixedly connected with a first gear, the second rotating shaft is fixedly connected with a second gear, the third rotating shaft is fixedly connected with a third gear, the three gears are sequentially meshed, the first rotating shaft penetrates out of the gear box shell, the penetrating part of the first rotating shaft is fixedly connected with the cam, the third rotating shaft penetrates out of the gear box shell, and the penetrating part of the third rotating shaft is fixedly connected with a fourth gear.

3. The automatic fire extinguisher for preventing spontaneous combustion of automobile according to claim 1, wherein said first spring is a compression spring.

4. The automatic fire extinguisher for preventing spontaneous combustion for automobiles according to claim 1, characterized in that the second spring is a tension spring.

5. The automatic fire extinguisher for preventing spontaneous combustion of a vehicle according to claim 1, further comprising a guide block having a guide hole through which the push rod passes.

6. The automatic fire extinguisher for preventing spontaneous combustion of a vehicle according to claim 1, wherein the cam includes a wheel portion and an L-shaped projection.

7. The automatic fire extinguisher for preventing spontaneous combustion of automobiles according to claim 1, characterized in that the ejector rod is rotatably connected with the upper handle of the switch.