CN216383582U

CN216383582U - Quick aerating device of fire engine

Info

Publication number: CN216383582U
Application number: CN202122577024.1U
Authority: CN
Inventors: 申剑楠; 李湘桦
Original assignee: Ezhou Fire Rescue Detachment
Current assignee: Ezhou Fire Rescue Detachment
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-04-26
Anticipated expiration: 2031-10-26

Abstract

The utility model relates to the technical field of quick inflation of fire fighting vehicles, in particular to a quick inflation device of a fire fighting vehicle, which comprises a high-pressure gas cylinder, wherein the output end of the high-pressure gas cylinder is connected with the input end of a pressure reducing valve, the output end of the pressure reducing valve is connected with a quick-connection plug female seat, a quick-connection plug male seat is connected on the quick-connection plug female seat, the quick-connection plug male seat is connected with the input end of an electronic gas valve through a group of low-pressure hoses, the output end of the electronic gas valve is connected with the input end of a one-way valve through a group of low-pressure hoses, and the output end of the one-way valve is communicated with the upper end of a three-way joint through a group of low-pressure hoses. When the electronic air valve is actually used, high-pressure air in the high-pressure air bottle is reduced to low-pressure air of seven megapascals in advance, the electronic air valve is opened, and the low-pressure air can be quickly filled into the vehicle braking air storage tank through the electronic air valve, so that the fire truck can unlock parking braking in a short time, and can quickly start to execute tasks.

Description

Quick aerating device of fire engine

Technical Field

The utility model relates to the technical field of quick inflation of fire fighting trucks, in particular to a quick inflation device of a fire fighting truck.

Background

The braking system of fire engine mainly is air brake, the leakproofness of its gas circuit is along with the increase of vehicle service life, the difficult slow infiltration gas that is found can appear in each junction, the performance of air pump also can corresponding decay, consequently, the fire engine of some service time of a specified duration is in the duty and is equipped with the war and park the period, the atmospheric pressure of gas holder is very low, some is zero even, this is not enough unblock parking braking, this can cause when receiving the task of police, it can't move at the very first time to reach, for this we have proposed the quick aerating device of fire engine and have solved above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a quick inflation device for a fire fighting truck, which aims to solve the problem that the air pressure of an air storage tank is very low, and some air storage tanks are even zero, so that the parking brake cannot be unlocked enough during the on-duty fighting parking period of part of fire fighting trucks with long service time in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the quick inflation device of the fire engine comprises a high-pressure gas cylinder, wherein the output end of the high-pressure gas cylinder is connected with the input end of a pressure reducing valve, the output end of the pressure reducing valve is connected with a quick-connection plug female seat, a quick-connection plug male seat is connected onto the quick-connection plug female seat, the quick-connection plug male seat is connected with the input end of an electronic gas valve through a set of low-pressure hose, the output end of the electronic gas valve is connected with the input end of a one-way valve through a set of low-pressure hose, the output end of the one-way valve is communicated with the upper end of a three-way joint through a set of low-pressure hose, the lower end of the three-way joint is connected with a gas outlet joint through a set of low-pressure hose, the right end of the three-way joint is connected with a low-pressure gas meter through a set of low-pressure hose, a limiting mechanism is arranged on the low-pressure hose, and a mounting seat is installed on the back side of the electronic gas valve through a buffering mechanism.

Preferably, stop gear includes the cover block, the cover block cup joints on the low pressure hose, the opening of cover block is less than the diameter of low pressure hose, the fixed welding of outer wall of cover block has the fixing base, and inserts through the bearing on the fixing base and is equipped with the pivot, fixed mounting has the magnet piece in the pivot.

Preferably, the inner wall of the sleeve block is arc-shaped, and the inner wall of the sleeve block is glued with an anti-skid rubber mat.

Preferably, the surface center position of magnet piece is provided with convex recess, the surface of magnet piece is provided with anti-skidding line.

Preferably, buffer gear includes the connecting seat, the welding of electronic gas valve's back end has the connecting seat, and the back end symmetry of connecting seat articulates there are two sets of hinge bars, the back end of hinge bar articulates there is the slider, the spout has been seted up to the front surface symmetry of mount pad, the slider slides in the spout, the vertical spring that is provided with in the spout, and the both ends of spring are connected with the inner wall and the slider of spout respectively.

Preferably, the front and back both sides surfaces at hinge rod both ends all have the rubber ring pad to glue, and the rubber ring pad is located the outside of hinge rod both ends hinge hole.

Compared with the prior art, the utility model has the beneficial effects that: when the rapid inflation device for the fire fighting truck is actually used, high-pressure air in a high-pressure air bottle is reduced to low-pressure air of seven megapascals in advance, and then an electronic air valve is opened, so that the low-pressure air can be rapidly inflated into a vehicle braking air storage tank through the electronic air valve, the fire fighting truck can unlock parking braking in a short time, and a task can be rapidly executed;

meanwhile, when the vehicle runs on a mountain or hilly road and runs on a long distance and a downhill to cause insufficient braking air pressure or the braking system leaks air, the electronic air valve can be opened for quick supplement, emergency danger avoidance can be realized, and the device is mainly used for fire fighting vehicles and is also suitable for vehicles braked by air pressure.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

FIG. 2 is a schematic front view of the structure of the present invention;

FIG. 3 is a schematic side sectional view of the electronic gas valve of the present invention;

fig. 4 is a schematic top sectional view of the structure of the check valve of the present invention.

In the figure: 1. a high pressure gas cylinder; 2. a pressure reducing valve; 3. a female quick-connect plug seat; 4. a male seat of the quick-connect plug; 5. a low pressure hose; 6. an electronic gas valve; 7. a one-way valve; 8. a three-way joint; 9. an air outlet joint; 10. a low pressure gas meter; 11. sleeving blocks; 12. an anti-slip rubber pad; 13. a fixed seat; 14. a rotating shaft; 15. a magnet block; 16. a connecting seat; 17. a hinged lever; 18. a slider; 19. a rubber ring pad; 20. a mounting seat; 21. a chute; 22. a spring.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an embodiment of the present invention is shown: the quick inflation device for the fire engine comprises a high-pressure gas cylinder 1, wherein the output end of the high-pressure gas cylinder 1 is connected with the input end of a pressure reducing valve 2, the output end of the pressure reducing valve 2 is connected with a quick-connection plug female socket 3, and the female seat 3 of the quick-connect plug is connected with a male seat 4 of the quick-connect plug, the male seat 4 of the quick-connect plug is connected with the input end of an electronic air valve 6 through a group of low-pressure hoses 5, the output end of the electronic air valve 6 is connected with the input end of a one-way valve 7 through a group of low-pressure hoses 5, the output end of the one-way valve 7 is communicated with the upper end of the three-way joint 8 through a group of low-pressure hoses 5, the lower end of the three-way joint 8 is connected with the air outlet joint 9 through a group of low-pressure hoses 5, the right end of the three-way joint 8 is connected with the low-pressure air meter 10 through a group of low-pressure hoses 5, a limiting mechanism is arranged on the low-pressure hoses 5, and the back side of the electronic air valve 6 is provided with a mounting seat 20 through a buffering mechanism;

further, stop gear includes sleeve block 11, and sleeve block 11 cup joints on low pressure hose 5, and the opening of sleeve block 11 is less than low pressure hose 5's diameter, and the fixed welding of the outer wall of sleeve block 11 has fixing base 13, and is equipped with pivot 14 through bearing insertion on the fixing base 13, and fixed mounting has magnet piece 15 in the pivot 14, as fig. 3, this structure is used for fixing a position low pressure hose 5 to make things convenient for it to walk the line and fix, reduce low pressure hose 5's the sense of weighing down.

Further, the inner wall of the sleeve block 11 is arc-shaped, and the inner wall of the sleeve block 11 is glued with an anti-slip rubber pad 12, as shown in fig. 3, which is used for preventing the low-pressure hose 5 from sliding and displacing in the sleeve block 11.

Further, the surface central point of magnet piece 15 puts and is provided with convex recess, and the surface of magnet piece 15 is provided with anti-skidding line, as fig. 3, this structure is used for making magnet piece 15 can laminate convex object surface, makes things convenient for its fixed positioning, and anti-skidding line can increase the frictional force of magnet piece 15 and adsorbed object contact surface simultaneously.

Further, buffer gear includes connecting seat 16, the welding of electronic gas valve 6's back end has connecting seat 16, and connecting seat 16's back end symmetry articulates there are two sets of hinge bar 17, hinge bar 17's back end articulates there is slider 18, spout 21 has been seted up to the front surface symmetry of mount pad 20, slider 18 slides in spout 21, the vertical spring 22 that is provided with in spout 21, and spring 22's both ends are connected with spout 21's inner wall and slider 18 respectively, as figure 4, this structure is used for buffering electronic gas valve 6, provide vibrations protection to it already.

Further, rubber ring pads 19 are glued on the front side surface and the rear side surface of the two ends of the hinge rod 17, the rubber ring pads 19 are located on the outer sides of the hinge holes in the two ends of the hinge rod 17, and as shown in fig. 4, resistance is applied to rotation of the hinge rod 17 through the rubber ring pads 19 so as to achieve a damping effect and increase a buffering effect.

The working principle is as follows: before use, the air outlet joint 9 is communicated with a vehicle brake air storage tank, all parts are sequentially installed, the high-pressure air bottle 1, the pressure reducing valve 2 and the low-pressure air meter 10 are ensured to be positioned in a vehicle cabin, then a switch of the electronic air valve 6 is connected with a vehicle console, in the installation process, the installation seat 20 can be installed in the vehicle body through bolts for fixing, when the electronic air valve 6 is affected by shaking, two groups of hinged rods 17 can be stressed to rotate and drive the sliding block 18 to slide in the sliding groove 21, the spring 22 can be stressed to deform, meanwhile, the rubber ring cushion 19 can be rubbed and extruded, the elastic deformation characteristics of the rubber ring cushion 19 and the spring 22 can well absorb and relieve force, so that the electronic air valve 6 can be buffered to a certain degree to reduce the adverse effects of the electronic air valve such as vibration, and the sleeve block 11 can be moved on the low-pressure hose 5 at the same time, the magnet block 15 is adsorbed on the magnetic metal in the vehicle body, then the sleeve block 11 can limit and guide the low-pressure hose 5 so as to facilitate the routing and positioning of the low-pressure hose 5, when the device is used, only the pressure reducing valve 2 needs to be operated to reduce the high-pressure air in the high-pressure air bottle 1 to the low-pressure air of seven megapascals, then the switch of the electronic air valve 6 is operated to be opened, then the low-pressure air is quickly filled into a vehicle braking air storage tank through the electronic air valve 6, so that the fire fighting vehicle can unlock parking braking in a short time to achieve the purpose of quick trip task, the quick-connection plug female seat 3 and the quick-connection plug male seat 4 can be quickly plugged, the high-pressure air bottle 1 is conveniently replaced for use, meanwhile, the check valve 7 can prevent gas backflow, and the low-pressure gas meter 10 can be used for monitoring the air pressure stability, which is the whole working principle of the utility model.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. Fire engine quick aerating device, including high-pressure gas cylinder (1), its characterized in that: the output end of the high-pressure gas bottle (1) is connected with the input end of a pressure reducing valve (2), the output end of the pressure reducing valve (2) is connected with a quick-connection plug female seat (3), a quick-connection plug male seat (4) is connected on the quick-connection plug female seat (3), the quick-connection plug male seat (4) is connected with the input end of an electronic gas valve (6) through a group of low-pressure hoses (5), the output end of the electronic gas valve (6) is connected with the input end of a one-way valve (7) through a group of low-pressure hoses (5), the output end of the one-way valve (7) is communicated with the upper end of a three-way joint (8) through a group of low-pressure hoses (5), the lower end of the three-way joint (8) is connected with a gas outlet joint (9) through a group of low-pressure hoses (5), and the right end of the three-way joint (8) is connected with a low-pressure gas meter (10) through a group of low-pressure hoses (5), the low-pressure hose (5) is provided with a limiting mechanism, and the back side of the electronic air valve (6) is provided with a mounting seat (20) through a buffer mechanism.

2. A fire engine quick inflation device as claimed in claim 1, characterized in that: stop gear includes cover block (11), cover block (11) cup joint on low pressure hose (5), the opening of cover block (11) is less than the diameter of low pressure hose (5), the outer wall fixed welding of cover block (11) has fixing base (13), and inserts through the bearing on fixing base (13) and is equipped with pivot (14), fixed mounting has magnet piece (15) in pivot (14).

3. A fire engine quick inflation device as claimed in claim 2, characterized in that: the inner wall of the sleeve block (11) is arc-shaped, and an anti-skid rubber pad (12) is glued on the inner wall of the sleeve block (11).

4. A fire engine quick inflation device as claimed in claim 2, characterized in that: the surface center position of magnet piece (15) is provided with convex recess, the surface of magnet piece (15) is provided with anti-skidding line.

5. A fire engine quick inflation device as claimed in claim 1, characterized in that: buffer gear includes connecting seat (16), the back end welding of electronic gas valve (6) has connecting seat (16), and the back end symmetry of connecting seat (16) articulates there are two sets of hinge bar (17), the back end of hinge bar (17) articulates there is slider (18), spout (21) have been seted up to the front surface symmetry of mount pad (20), slider (18) slide in spout (21), the vertical spring (22) that is provided with in spout (21), and the both ends of spring (22) are connected with inner wall and slider (18) of spout (21) respectively.

6. A fire engine quick inflation device as claimed in claim 5, characterized in that: rubber ring pads (19) are glued on the surfaces of the front side and the rear side of the two ends of the hinge rod (17), and the rubber ring pads (19) are positioned on the outer sides of hinge holes in the two ends of the hinge rod (17).