CN202090762U

CN202090762U - Pneumatic emergency door opening device for bus

Info

Publication number: CN202090762U
Application number: CN2011201884834U
Authority: CN
Inventors: 徐秉朗
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-27
Filing date: 2011-05-27
Publication date: 2011-12-28
Anticipated expiration: 2021-05-27

Abstract

The utility model relates to a pneumatic emergency door opening device for a bus, which aims to solve the problem that in case of the fire accident of a bus, ordinary passengers can break glass with special hammers, so as to climb out windows and run away from the scene, however the elderly, the weak, the sick, the handicapped, the pregnant, and children can not climb out the windows. The pneumatic emergency door opening device can automatically open the bus door in case of a fire accident. The pneumatic emergency door opening device has a structure that an embedded joiner with a shift fork mechanism is additionally mounted at the upper part of a bus door shaft; and a pneumatic sensor is mounted at the handle part of the shift fork, and a heavy hammer bus door opening device/ or a door opening spring are mounted on the bus door. In ordinary time, the upper and the lower door shafts are joint by the joiner, and a door machine controls the normal opening/closing of the bus door; in case of fire accident, a push force is produced by the pneumatic sensor through blast, and the joiner on the door shaft is loosened by the shift fork; at this moment, the bus door is automatically opened by the heavy hammer bus door opening device/ or the door opening spring, so as to enable the elderly, the weak, the sick, the handicapped, the pregnant, and the children to run as quickly as others in case of fire accident without the need of breaking the glass, and safely run away from the scene.

Description

The urgent car door opening device of bus vapour-pressure type

Affiliated technical field

The utility model relates to the urgent car door opening device of a kind of bus vapour-pressure type, and especially, when bus fire alarm emergency, electrical equipment, mechanical system are damaged, and car door can't be opened, thereby usually burns a lot of people to death.The utility model can be opened car door automatically when the fire alarm emergency, the people just can flee the scene rapidly and smoothly.

Background technology

Known, at present during bus fire alarm emergency, hold ad hoc special iron hammer by the passenger and pound cullet, cross the method and the approach of window and flee the scene, but just can't crossing window, the pregnant children of the old,weak,sick and disabled woman flees the scene.

Summary of the invention

When improving present bus fire alarm emergency, adopt special iron hammer to pound cullet, cross method and approach that window is fled the scene, but the pregnant children of the old,weak,sick and disabled woman can't cross the deficiency that window is fled the scene, the utility model is released the urgent car door opening device of a kind of bus vapour-pressure type.It need not to pound glass and crosses window when the fire alarm emergency, the automatic unlatching of car door meeting, thereby the pregnant children of the old,weak,sick and disabled woman and other all trapped personnels can both rapid and safe fleeing the scene in the car door of unlatching automatically.

The technical scheme that its technical problem that solves the utility model adopts is: on bus door door-hinge top door-hinge is divided into two sections up and down, install the embedded associating device that has shifting fork mechanism therebetween additional, dress vapour-pressure type sensor on the shift fork handle of shifting fork mechanism, and on car door dress Weight type car door opening device/or the spring that opens the door.Embedded associating device at ordinary times it the car door door-hinge up and down two sections uniting, a door machine control car door carries out the normal switch action.During fire alarm, the door machine is out of control, and car door can't be opened.But the blast of explosion time makes the vapour-pressure type sensor produce thrust, by shift fork associating device on the door-hinge is thrown off, at this moment, and Weight type car door opening device/or the spring that opens the door can be automatically car door opening.

The embedded associating device that has a shifting fork mechanism is by being contained in the key cunning is joined on the epimere door-hinge associating device slippage cover, being contained in associating device connector and the shifting fork mechanism that the segment inferior door axle key excessively cooperates and forming.Head is pitched the shift fork in the associating device slippage grooving, and with the supporting hinges that is fixed on the compartment, the associating device was united stable when the shift fork shank had stable extension spring to make normality.

Weight type car door opening device is by weight, sleeve pipe, stressing, compositions such as pulley.One of stressing ties up to top, car door angle (the right wing car door is a right corner, and left winnowing machine door is a left comer), and other end system is arranged on the weight in the sleeve pipe of one side, and several angle pulleys are established in the centre.When the associating device was thrown off on the door-hinge, stressing was drawn back car door by the weight pulling force automatically.

The spring housing that opens the door leans on the lower margin place in hypomere door-hinge bottom, its lower end is stuck in the floor compartment place, and the upper end is stuck in the door-hinge hole.Make the spring that when closed door, opens the door be the swelling shape.The spring tension force that opens the door when the associating device is thrown off discharges, and just car door is opened automatically.

The beneficial effects of the utility model are, when bus fire alarm emergency car door can't normally be opened, need not to pound glass and cross window, and the vapour-pressure type sensor can make car door open automatically.Like this, the pregnant children of the old,weak,sick and disabled woman and other all trapped personnels can escape the inferno rapidly and smoothly equally.And it is faster than the former, safer.

Below in conjunction with drawings and Examples the utility model is further specified

Description of drawings

Fig. 1 is a car door elevation in the railway carriage.

Fig. 2 is Fig. 1 piece number 6 drawings.

Fig. 3 is the A-A sectional view of Fig. 2.

Fig. 4 is that the B of Fig. 1 is to partial view.

Fig. 5 is the interior rear elevation of railway carriage that shows the Weight type door opener.

Fig. 6 is Fig. 1 piece number 6-2 drawing.

1. car doors among the figure, 2. hinge, 3. slippage pin, 4. a machine, 5. door-hinge, 5-1. hypomere door-hinge, 5-2. epimere door-hinge 6. has the embedded associating device of shifting fork mechanism, the spring 6-1. associating device slippage cover, 6-2. open the door, 6-3. associating device connector, 6-4. key, 6-5. shift fork, 6-6. supports, 6-7. vapour-pressure type sensor, 6-7-1. guard shield, 6-7-1. film, the 6-7-3. dowel bar, 6-8. stablizes extension spring, 7. stressing, 8. weight, 9. sleeve pipe, 10. pulley.

The specific embodiment

In Fig. 1, car door (1) links to each other with door-hinge (5) by hinge (2), and the embedded associating device (6) that has shifting fork mechanism, (referring to Fig. 2) are set up with door machine (4) junction in door-hinge (5) upper end.Slippage pin (3) is stuck in the cotter way on car door (1) angle, its slippage in cotter way during shutter door.Another angle bind the stressing (7) of Weight type car door opening device/or in door-hinge (5) bottom by the lower margin place suit spring (6-2) that opens the door, its lower end is stuck in the floor compartment place, the upper end is stuck in the door-hinge hole, makes the spring that opens the door when closed door be swelling shape (referring to Fig. 6).During normality, door machine (4) drives car door (1) by the embedded associating device (6) that has shifting fork mechanism and normally opens and closes the car door action.During fire alarm, associating device (6) is thrown off (referring to Fig. 2), and car door (1) is free state, drawn back by Weight type car door opening device at once (referring to Fig. 4, Fig. 5)/or spring (6-2) tension force that opened the door discharge (referring to Fig. 6) and open automatically.

In Fig. 2, the embedded associating device (6) that has a shifting fork mechanism is gone up the sliding associating device slippage cover (6-1) of joining of key (6-4), is contained in associating device connector (6-3) and the shifting fork mechanism that hypomere door-hinge (5-1) key (6-4) excessively cooperates and forms by being contained in epimere door-hinge (5-2).Shift fork (6-5) be fixed on compartment upper support (6-6) hinge, the former head is pitched in associating device slippage cover (6-1) groove, shank dress is stablized extension spring (6-8) and is united device (6-3) when making normality and unite stable.The vapour-pressure type sensor of being made up of for main body guard shield (6-7-1), film (6-7-2), dowel bar (6-7-3) (6-7) is installed on shift fork (6-5) handle.During normality, door machine (4) drives car door (1) and carries out normal on-off action (referring to Fig. 1) by united epimere door-hinge (5-2) and hypomere door-hinge (5-1) by embedded associating device (6).

When fire alarm, the blast of blast makes vapour-pressure type sensor (6-7) produce air pressure thrust, and dowel bar (6-7-3) pushes shift fork (6-5) handle, and associating device slippage cover (6-1) is dialled upward, throws off with associating device connector (6-3).Car door this moment (1) is free state, just (referring to Fig. 4, Fig. 5) is opened/or be sleeved on hypomere door-hinge (5-1) bottom and (referring to Fig. 1, Fig. 6) open by the lower margin place spring (6-2) that opens the door by the Weight type car door opening device that is connected by drag-line between Shun.

In Fig. 4, stressing (7) ties up to right wing car door (1) right corner top (left winnowing machine door is a left comer).When the embedded associating device that has shifting fork mechanism on the door-hinge (5) was thrown off, stressing (7) was drawn back car door (1) by weight (8) pulling force (referring to Fig. 1, Fig. 5) automatically.

Claims

1. urgent car door opening device of bus vapour-pressure type is characterized in that: install additional on bus door door-hinge top and have embedded associating device, vapour-pressure type sensor and the Weight type car door opening device of shifting fork mechanism or the spring that opens the door.

2. the urgent car door opening device of bus vapour-pressure type according to claim 1 is characterized in that: the vapour-pressure type sensor is to be contained on the shift fork handle of the embedded associating device that has shifting fork mechanism.