CN217489569U - Glass breaking and dismantling device - Google Patents

Abstract

The utility model relates to a glass breaking and dismantling device, which effectively solves the problem that weak people can not break glass smoothly in emergency; the technical scheme includes that the device comprises a shell, a piston plate is arranged in the shell, the piston plate and the shell are sealed, a vertical square shaft is arranged in the middle of the piston plate, a pressure spring is arranged between the lower end of the square shaft and the piston plate, the left side wall and the right side wall of the square shaft are tooth-shaped surfaces, a gear is arranged on the upper end surface of the piston plate on the left side and the right side of the square shaft respectively, the two gears are meshed with the tooth-shaped surfaces on the left side and the right side of the square shaft respectively, a sliding block is arranged on one side, far away from the square shaft, of each gear, the sliding block can only slide left and right and always bear the force pointing to the square shaft, a limiting plate is fixed on each sliding block, one surface, close to the gear, of the limiting plate is a tooth-shaped surface, the tooth-shaped surface on the limiting plate is meshed with the gear under the action of the sliding block when no external force is applied, the sliding block is pulled to be far away from the square shaft, the tooth-shaped surface on the limiting plate is separated from the gear, and the gear can rotate freely.

Description

Glass breaking and dismantling device

Technical Field

The utility model relates to a safety protection field specifically is a broken ware of tearing open of glass.

Background

Along with the increasing awareness of people in safety precaution, outdoor public places are equipped with fire axes or buses are also equipped with safety hammers, so that people can escape by striking broken glass through the safety hammers or the fire axes when a dangerous situation occurs and the doors and the windows cannot be opened, but most of the current doors and windows or outer walls are built by tempered glass and are not easy to break, even if a safety precaution manual teaches people to strike corners of the glass, the people cannot be guaranteed to do according to the manual requirements under the condition of confusion, and when the fire axes or the safety hammers strike the glass, the reaction force of the glass on the safety hammers is completely born by hands, and minors or people with weak constitution do not have enough strength to bear larger reaction force, and the fire often accompanies thick smoke, people cannot provide enough strength to break the glass under the condition of oxygen deficiency, and can not see the corners of the glass, this can easily result in people not breaking the glass smoothly.

Disclosure of Invention

To the situation, for overcoming the defect of prior art, the utility model provides a broken ware of tearing open of glass, the effectual problem of having solved under the emergency weak crowd and can't hit broken glass smoothly.

The technical scheme includes that the glass breaking and dismantling device comprises a shell, wherein the lower end of the shell is bottomless, the upper end of the shell is open, a piston plate is arranged in the shell, the piston plate can slide up and down in the shell, the piston plate and the shell can be always sealed when the piston plate slides, a square through groove is formed in the middle of the piston plate, a vertical square shaft is arranged in the through groove, the lower end of the square shaft is located below the piston plate, a pressure spring is arranged between the lower end of the square shaft and the piston plate, the upper end of the square shaft is located above the piston plate, the left side wall and the right side wall of the square shaft are tooth-shaped surfaces, a gear is respectively arranged on the upper end surfaces of the piston plates on the left side and the right side of the square shaft, the two gears are meshed with the tooth-shaped surfaces on the left side and the right side of the square shaft, and the axes of the two gears are parallel to the piston plate;

one side that the square shaft was kept away from to two gears all is equipped with one and piston plate fixed rectangular block, penetrating spout about all opening on every rectangular block, be equipped with the slider in the spout, the slider can only the horizontal slip and receive directional square shaft's power all the time, the one end that every slider is close to the gear all is fixed with a limiting plate, the one side that the limiting plate is close to the gear is the profile of tooth, profile of tooth on the limiting plate under the slider effect with gear engagement when no exogenic action, make the unable rotation of gear, after having external force pulling slider to keep away from the square shaft, profile of tooth on the limiting plate and gear separation, gear ability free rotation.

Two the rectangle piece keep away from one side of square shaft all be equipped with one with the fixed riser of piston plate, open at the middle part of riser has the round hole, all be equipped with the spring between the slider of every riser and corresponding side, the spring gives the slider the power of a directional square shaft, the one end that the square shaft was kept away from to every slider all is fixed with the rope, the round hole that the other end of two ropes passed on the corresponding side riser extends casing top opening part, and the other end of two ropes is fixed with same ring, the pulling ring can drive two slider compression springs simultaneously through the rope and remove.

Piston board up end and casing inner chamber top surface all be fixed with a plurality of fixed pulleys, the rope walk around the fixed pulley after passing the round hole on the riser and fix with the ring, the fixed pulley can avoid rope and casing or riser friction, can prolong the life of rope, resistance when can reducing the pulling ring again.

The casing be cylindrical casing, the casing lower extreme be equipped with the bush of tube-shape, pass through threaded fixation between bush and the casing inner wall, the bush enables square shaft lower extreme and is higher than the casing lower extreme.

The side wall of the piston plate and the lower end of the lining are both fixed with soft rubber pads, the inner wall of the through groove is fixed with a sealing ring, and the rubber pads and the sealing ring can improve the sealing performance of the inner cavity of the shell below the piston plate.

The square shaft below the piston plate is fixed with a flat plate, two ends of the pressure spring are fixed with the flat plate and the piston plate respectively, the large-size pressure spring is convenient to install, and the flat plate is provided with a plurality of through holes, so that air resistance of the flat plate moving downwards along with the square shaft is reduced.

The utility model discloses can select pressure spring elasticity size at will before the use to guarantee to have sufficient elasticity to promote the square shaft and hit glass cullet, and the reaction force when hitting glass mostly is born by the pressure differential of both sides about the piston plate, and the required holding power of staff is littleer, reliable practical.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a front sectional view of the present invention.

Fig. 3 is a left side sectional view of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 2 according to the present invention.

Fig. 5 is a schematic view of the installation of the piston plate, the gear and the stopper of the present invention.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model discloses a housing 1, the lower extreme of housing 1 has no end and the upper end is open, be equipped with piston plate 2 in housing 1, piston plate 2 can slide from top to bottom in housing 1, and piston plate 2 can remain sealed between piston plate 2 and housing 1 when sliding all the time, square through groove 3 is opened at the middle part of piston plate 2, be equipped with vertical square shaft 4 in through groove 3, the lower extreme of square shaft 4 is located below piston plate 2, and be equipped with pressure spring 5 between the lower extreme of square shaft 4 and piston plate 2, the upper end of square shaft 4 is located above piston plate 2, and the left and right side wall of square shaft 4 is the profile of tooth face, each is equipped with a gear 6 on the piston plate 2 up end of the left and right sides of square shaft 4, two gears 6 all mesh with the profile of tooth face of the left and right sides of square shaft 4, and the axis of two gears 6 is parallel with piston plate 2;

one side that square shaft 4 was kept away from to two gears 6 all is equipped with one with the fixed rectangular block 7 of piston plate 2, penetrating spout about all opening has on every rectangular block 7, be equipped with slider 8 in the spout, slider 8 can only the horizontal slip and receive directional square shaft 4's power all the time, the one end that every slider 8 is close to gear 6 all is fixed with a limiting plate 9, the one side that limiting plate 9 is close to gear 6 is the profile, profile on the limiting plate 9 meshes with gear 6 under the slider 8 effect when no exogenic action, make gear 6 unable rotation, after having external force pulling slider 8 to keep away from square shaft 4, the profile on the limiting plate 9 separates with gear 6, gear 6 can the free rotation.

Two rectangle piece 7 one side of keeping away from square shaft 4 all be equipped with one with 2 fixed risers 10 of piston plate, open at the middle part of riser 10 has the round hole, all be equipped with spring 11 between every riser 10 and the slider 8 that corresponds the side, spring 11 gives 8 directional square shaft 4's of slider power, the one end that square shaft 4 was kept away from to every slider 8 all is fixed with rope 12, the round hole that two rope 12's the other end passed on the corresponding side riser 10 extends 1 top opening part of casing, and the other end of two rope 12 is fixed with same ring 13, pulling ring 13 can drive two 8 compression spring 11 of slider and remove simultaneously through rope 12.

2 up end of piston plate and 1 inner chamber top surface of casing all be fixed with a plurality of fixed pulleys, rope 12 walk around the fixed pulley after passing the round hole on riser 10 and fix with ring 13, the fixed pulley can avoid rope 12 and casing 1 or riser 10 friction, can prolong the life of rope 12, resistance when can reducing the pulling ring 13 again.

The casing 1 is a columnar casing 1, a cylindrical bushing 14 is arranged at the lower end of the casing 1, the bushing 14 is fixed with the inner wall of the casing 1 through threads, and the lower end of the square shaft 4 can be higher than the lower end of the casing 1 through the bushing 14.

The side wall of the piston plate 2 and the lower end of the lining 14 are both fixed with soft rubber pads 15, the inner wall of the through groove 3 is fixed with a sealing ring 16, and the rubber pads 15 and the sealing ring 16 can improve the sealing performance of the inner cavity of the shell 1 below the piston plate 2.

The square shaft 4 below the piston plate 2 is fixed with a flat plate 17, two ends of the pressure spring 5 are respectively fixed with the flat plate 17 and the piston plate 2, the large-size pressure spring 5 is convenient to install, and the flat plate 17 is provided with a plurality of through holes, so that air resistance of the flat plate 17 moving downwards along with the square shaft 4 is reduced.

Before the utility model is used, the rope 12 is separated from the ring 13, the lining 14 is rotated again, the lining 14 is taken out from the shell 1, the square shaft 4 is pulled downwards, the limiting plate 9 is meshed with the gear 6 under the action of the spring 11 because no tension is arranged on the rope 12, the gear 6 can not rotate, the piston plate 2 can be synchronously driven to slide downwards when the square shaft 4 is pulled downwards until the piston plate 2 is taken out from the shell 1, the two ropes 12 are pulled again, the two limiting plates 9 are both separated from the gear 6, one of the gears 6 is rotated, the square shaft 4 is driven to move upwards through the gear 6, the pressure spring 5 is continuously compressed until the distance from the lower end of the square shaft 4 to the piston plate 2 is less than the height of the lining 14, the rope 12 is loosened, the two limiting plates 9 are meshed with the gear 6 under the action of the spring 11, the gear 6 can not rotate again, meanwhile, the square shaft 4 can not move downwards under the action of the pressure spring 5, then the piston plate 2 is pushed back into the shell 1, the piston plate 2 is continuously pushed upwards by the action of screwing the bushing 14 until the lower end of the bushing 14 is contacted with the lower end of the shell 1, and the lower end of the square shaft 4 is higher than the lower end of the bushing 14 at the moment, and finally the two ropes 12 are fixed with the circular ring 13 again to finish the energy storage work of the device;

when a dangerous situation needs to break the window, an operator buckles the lower end of the device on glass, soft rubber pads 15 are fixed on the side wall of the piston plate 2 and the lower end of the bush 14, and a sealing ring 16 is fixed on the inner wall of the through groove 3, a sealed cavity is formed between the piston plate 2 and the glass at the moment, the circular ring 13 is pulled, the circular ring 13 enables the two sliding blocks 8 to move towards the direction far away from the square shaft 4 through the rope 12, the limiting plate 9 is separated from the gear 6, the two gears 6 can rotate freely, the pressure spring 5 can push the square shaft 4 to impact the glass instantly once the gear 6 can rotate freely all the time, and the lower end of the square shaft 4 and the lower end of the bush 14 are not on the same plane, so that the square shaft 4 can have a period of acceleration time before contacting with the glass, so as long as enough kinetic energy on the square shaft 4 can impact the glass, if the kinetic energy of the square shaft 4 does not directly crash the glass, the elastic force of the spring 11 can also continue to give pressure to the square shaft 4 so that the glass can be crushed by the lower end of the square shaft 4;

after the square column starts to move, the pressure spring 5 gives the square shaft 4 a force for extruding the glass on one hand and gives the piston plate 2 a force pointing away from the glass on the other hand, and after the square shaft 4 collides with the glass, the glass gives the square shaft 4 a resistance force and a reaction force, and the opposite forces are all received by the piston plate 2, so that the piston plate 2 moves away from the glass, but because a sealed chamber is formed between the piston plate 2 and the glass and the upper end of the shell 1 is opened, after the piston plate 2 moves away from the glass, a negative pressure is formed in the chamber between the piston plate 2 and the glass, and the negative pressure prevents the piston plate 2 from moving backwards, namely, the pressure generated by the negative pressure on the piston plate 2 can counteract the force given by the pressure spring 5 and the glass to the piston plate 2, namely, the pressure difference generated on two sides of the piston plate 2 can receive the recoil force generated during the collision of the square shaft 4, and the recoil that casing 1 received only is piston plate 2 and transmits the frictional force for the casing 1 inner wall through rubber pad 15, can greatly reduce the recoil that people's hand bore, more is fit for broken window work under the condition of oxygen deficiency in a hurry.

The utility model has the advantages of following showing:

1. the utility model fixes the pressure spring 5 and the square shaft 4 on the piston plate 2, and the sliding friction is formed between the piston plate 2 and the shell 1, therefore, no matter in the process of compressing the compression spring 5, after the compression spring 5 is compressed, when the compression spring 5 releases the elasticity or when the square shaft 4 impacts the glass, how the square shaft 4 and the pressure spring 5 are subjected to the force given to the piston plate 2 changes, the force transmitted from the piston plate 2 to the housing 1 can only be maximally equal to the sliding friction force between the rubber pad 15 and the housing 1, therefore, the elastic force of the pressure spring 5 in the device can be selected according to the window breaking requirement without considering the recoil force generated by the spring 11, and because the sealing is kept between the piston plate 2 and the shell 1 through the rubber pad 15, therefore, the reaction force born by the piston plate 2 can also be born by the pressure difference of the upper side and the lower side of the piston plate 2, the bearing capacity is large, the elastic force selection range of the pressure spring 5 is larger, and the practicability is strong.

2. The utility model discloses because reaction force is little to 5 elasticity sizes of pressure spring are selected at will, so under the confused condition of oxygen deficiency, people need not to go carelessly to hit and hit the glass corner, even directly detain the device in glass is positive, also only need gently carry pull ring 13 just can start to hold the pressure spring 5 promotion square shaft 4 striking glass that has sufficient elasticity, and application method is simple, saves the time of looking for the glass corner, safe and reliable more.

3. The utility model discloses after the disposable, can take out bush 14 and piston plate 2, compress once more through pressure spring 5 between 6 with square shaft 4 and the piston plate 2 of rotatory gear for 11 energy storage once more of spring, only need after the dress returns casing 1 to fix two 12 outer ends of rope with ring 13 once more, just can reuse, convenient dismantlement, repetitious usage.

Claims (6)

1. A glass breaking and dismantling device is characterized by comprising a shell (1), the lower end of the shell (1) is bottomless, the upper end of the shell is open, a piston plate (2) is arranged in the shell (1), the piston plate (2) can slide up and down in the shell (1), the piston plate (2) and the shell (1) can be always sealed when the piston plate (2) slides, a square through groove (3) is formed in the middle of the piston plate (2), a vertical square shaft (4) is arranged in the through groove (3), the lower end of the square shaft (4) is located below the piston plate (2), a pressure spring (5) is arranged between the lower end of the square shaft (4) and the piston plate (2), the upper end of the square shaft (4) is located above the piston plate (2), the left side wall and the right side wall of the square shaft (4) are toothed surfaces, gears (6) are respectively arranged on the upper end surfaces of the piston plates (2) on the left side and the right side of the square shaft (4), and the two gears (6) are engaged with the toothed surfaces on the left side and the right side of the square shaft (4), the axes of the two gears (6) are parallel to the piston plate (2);

one side that square shaft (4) were kept away from in two gear (6) all is equipped with one with fixed rectangular block (7) of piston board (2), penetrating spout about all opening on every rectangular block (7), be equipped with slider (8) in the spout, slider (8) can only the horizontal slip and receive the power of directional square shaft (4) all the time, the one end that every slider (8) are close to gear (6) all is fixed with one limiting plate (9), the one side that limiting plate (9) are close to gear (6) is the profile of tooth, profile of tooth on limiting plate (9) meshes with gear (6) under slider (8) effect when no external force effect, make gear (6) unable rotation, after having external force pulling slider (8) to keep away from square shaft (4), the profile of tooth on limiting plate (9) separates with gear (6), gear (6) ability free rotation.

2. The glass breaking and dismantling device according to claim 1, wherein two rectangular blocks (7) are provided with a vertical plate (10) fixed to the piston plate (2) at a side away from the square shaft (4), a circular hole is formed in the middle of the vertical plate (10), a spring (11) is arranged between each vertical plate (10) and the slider (8) at the corresponding side, the spring (11) provides the slider (8) with a force pointing to the square shaft (4), a rope (12) is fixed at one end of each slider (8) away from the square shaft (4), and the other ends of the two ropes (12) extend to an opening above the housing (1) through the circular hole in the corresponding side vertical plate (10), and the other ends of the two ropes (12) are fixed with the same circular ring (13), and the circular ring (13) can be pulled to simultaneously drive the two sliding blocks (8) to compress the spring (11) to move through the ropes (12).

3. The glass breaker according to claim 2, wherein a plurality of fixed pulleys are fixed on the upper end surface of the piston plate (2) and the top surface of the inner cavity of the housing (1), and the rope (12) passes through the circular hole on the vertical plate (10) and then is fixed with the circular ring (13) by passing around the fixed pulleys.

4. The glass breaking and dismantling device according to claim 1, wherein the housing (1) is a cylindrical housing (1), a cylindrical bushing (14) is arranged at the lower end of the housing (1), and the bushing (14) is fixed with the inner wall of the housing (1) through threads.

5. The glass breaking and dismantling device according to claim 4, wherein a soft rubber pad (15) is fixed on each of the side wall of the piston plate (2) and the lower end of the bushing (14), and a sealing ring (16) is fixed on the inner wall of the through groove (3).

6. The glass breaking and dismantling device according to claim 1, wherein a flat plate (17) is fixed on the square shaft (4) below the piston plate (2), two ends of the compression spring (5) are respectively fixed with the flat plate (17) and the piston plate (2), the large-size compression spring (5) is convenient to mount, and a plurality of through holes are formed in the flat plate (17).

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