CN115749453A - Convenient and fast's fire rescue is with multi-functional apparatus of unblanking - Google Patents

Abstract

The convenient and quick multifunctional unlocking instrument for fire rescue comprises an hawk claw chuck, a left operating lever, a right operating lever, a lock cylinder protective cover remover, a unit door lock body switch, a lock cylinder breaker and a lock tongue opener; the eagle claw chuck comprises a left grabbing piece and a right grabbing piece, the middle of the eagle claw chuck is provided with an adjustable screw hole, the left operating rod comprises an upper left rod and a lower left rod, the right operating rod comprises an upper right rod and a lower right rod, the front ends of the upper left rod and the upper right rod are respectively connected with the rear ends of the left grabbing piece and the right grabbing piece, the rear portions of the upper left rod, the lower left rod, the upper right rod and the lower right rod are hollow, and a lock cylinder protective cover remover, a lock bolt unscrewing device, a unit door lock body switch device and a lock cylinder breaking device are respectively hidden in the hollow positions of the rear portions of the upper left rod, the lower left rod, the upper right rod and the lower right rod. The size of the opening of the panel of the anti-theft door lock can be adjusted and clamped when the lock is unlocked, the friction force between the anti-theft door lock and the lock contact part is large, the clamping effect is good, the anti-theft door lock also has the function of opening the unit door lock, the assembly and connection speed of all parts is high, the occupied space after the disassembly is small, and the anti-theft door lock is easy to store, store and carry.

Description

Convenient and fast's fire rescue is with multi-functional apparatus of unblanking

Technical Field

The invention relates to the field of fire-fighting unlocking equipment, in particular to a convenient and quick multifunctional unlocking device for fire rescue.

Background

In recent years, with the acceleration of urbanization, the task of fire rescue is increasingly heavy. The fire control is to prevent and solve difficulties and disasters that people meet in the processes of life, work, study and the like, protect the life and property safety of people, and in the fire rescue, special tools are needed for door opening rescue, and the unlocking rescue tool is equipment used by fire fighters for rescue.

However, the existing door opener for fire rescue basically mainly comprises an iron hammer, a crow bar and a screwdriver, all parts of the door opener are independent from each other, all components cannot be stored, the occupied space is large, and inconvenience is brought to carrying and storage. And when the door lock is used, the door lock panel is pried by force from one side of the joint of the door lock panel and the door, so that the joint is stressed unevenly, the other side of the joint of the door lock panel and the door is easily crushed by the door lock panel, and the influence is brought to the rear when a lock is replaced newly.

In order to solve the problems, the applicant applies a convenient and quick multifunctional unlocking device for fire rescue with the application number of 202222702283.7, which comprises a hawk claw chuck, two stressing rods, a lock cylinder breaker and a lock tongue opener; the eagle claw chuck comprises a left grabbing piece and a right grabbing piece which are S-shaped in longitudinal section, a left grabbing tooth is arranged at the end part of the left grabbing piece, and the width of the left grabbing tooth is larger than the thickness of the middle part of the left grabbing piece; the front part of the right grabbing piece is longitudinally divided into an upper right grabbing tooth and a lower right grabbing tooth towards the middle part, and the end parts of the upper right grabbing tooth and the lower right grabbing tooth are gradually thinned forwards; the middle part of the left grabbing piece is movably inserted into the middle separation opening of the right grabbing piece, and a pin shaft is movably inserted up and down in the middle parts of the left grabbing piece and the right grabbing piece; the outer side surfaces of the rear ends of the left grabbing piece and the right grabbing piece are both provided with a square bump outwards, and the two stress application rods can be clamped and fixed by the square bumps through square through holes arranged at the front ends of the stress application rods; the rear ends of the two stress application rods are provided with internal threads, and the middle parts of the lock cylinder breaking device and the lock tongue unscrewing device are provided with external threads used for screwing the internal threads to be hidden. The multifunctional anti-theft door unlocking device can realize single-person easy unlocking during rescue, and can not damage the surface of the door plate of the anti-theft door. Although the above problems are solved. However, in practical use, the following new problems occur:

1. the size of the opening of the hawk claw clamp head cannot be adjusted, and the hawk claw clamp head cannot be inserted when the existing anti-theft door lock is too close to a nearby door frame or a vertical wall of a door plate.

2. The function of unlocking the unit door lock is not available, and the unlocking time can be delayed under the condition that some rescues need to unlock the unit door lock before the resident door.

3. The unlocking component and the stressing rod are connected through screws, and the unlocking component can be screwed out of the stressing rod only by rotating for multiple times during separation, so that time is consumed.

4. The stress application rod can not be disassembled for storage, so that the overall length is long and the storage and the carrying are inconvenient.

5. The front end part of the stress application rod is arranged on the outer side surface of the rear end of the hawk claw chuck, so that the stress application rod is wider, and certain influence is brought to the breaking and dismantling of the door lock in a narrow space.

6. When the hawk claw chuck grabs and clamps the anti-theft door lock panel, the contact part of the hawk claw chuck and the two sides of the anti-theft door lock panel is smooth, and the friction force is insufficient to influence the grabbing and clamping effect.

In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art and have developed the present invention.

Disclosure of Invention

For solving above-mentioned technical problem, we have provided a convenient and fast's multi-functional apparatus of unblanking for fire rescue, can adjust when tearing open the lock and grab the open-ended size of pressing from both sides security door lock panel, satisfy the use in the not equidimension space in security door lock place, contact department frictional force is grabbed greatly and is pressed from both sides effectually, still has the function of opening the unit lock, and each part assembly and connection is fast, and occupation space is little after the decomposition, easily accomodates and deposits and carry.

In order to achieve the purpose, the technical scheme of the invention is as follows:

a convenient and quick multifunctional unlocking device for fire rescue comprises an eagle claw chuck, a left operating lever, a right operating lever, a lock cylinder protective cover remover, a unit door lock body switch, a lock cylinder breaker and a lock tongue opener;

the eagle claw chuck comprises a left grabbing piece and a right grabbing piece which are S-shaped in longitudinal section, screw holes are formed in the middle parts of the rear ends of the left grabbing piece and the right grabbing piece, the end part of the left grabbing piece protrudes towards two sides in the transverse direction, the thickness of the end part of the left grabbing piece is gradually reduced towards the front, a left grabbing tooth is formed, and the width of the left grabbing tooth is larger than the thickness of the middle part of the left grabbing piece; the front part of the right grabbing piece is longitudinally provided with a separation opening towards the middle part and is divided by the separation opening to form an upper right grabbing tooth and a lower right grabbing tooth, and the forward thickness of the end parts of the upper right grabbing tooth and the lower right grabbing tooth is gradually reduced;

the left control rod comprises an upper left rod and a lower left rod, the right control rod comprises an upper right rod and a lower right rod, the front ends of the upper left rod and the upper right rod are respectively provided with a fixing screw, rod bodies with backward front ends of the upper left rod, the lower left rod, the upper right rod and the lower right rod are all hollow, and the inner walls of the hollow rear ends of the upper left rod, the lower left rod, the upper right rod and the lower right rod are provided with clamping grooves;

the middle part of the left grabbing piece is inserted into a separation opening in the middle part of the right grabbing piece, at least one pin hole is vertically and transversely penetrated in the middle parts of the left grabbing piece and the right grabbing piece, a pin shaft is movably inserted into the pin hole, and the upper right grabbing tooth and the lower right grabbing tooth can be opened and closed with the left grabbing tooth around the pin shaft; the left upper rod and the right upper rod can be respectively inserted into screw holes at the rear ends of the left grabbing piece and the right grabbing piece through fixing screws at the front ends of the left upper rod and the right upper rod to fix the left upper rod and the right upper rod;

the front end of the left lower rod extends forwards to be connected with the lock cylinder protective cover remover, a buckle is arranged at the connection position of the lock cylinder protective cover remover, the lock cylinder protective cover remover can be inserted into the hollow position of the left upper rod from the rear end of the left upper rod to be hidden, and then the buckle at the connection position of the left lower rod and the lock cylinder protective cover remover is clamped into a clamping groove arranged on the inner wall of the hollow position of the rear end of the left upper rod to be fixed; the right lower rod extends forwards to be connected with the unit door lock body switch, a buckle is arranged at the connection position of the right lower rod, the unit door lock body switch can be inserted into the hollow position of the right upper rod from the rear end of the right upper rod to be hidden, and then the buckle at the connection position of the right lower rod and the unit door lock body switch is clamped into a clamping groove arranged on the inner wall of the hollow position at the rear end of the right upper rod to be fixed; the middle part of the lock cylinder breaker is also provided with a buckle, the front part of the lock cylinder breaker can be inserted into the hollow part of the right lower rod from the rear end of the right lower rod to be hidden, and the buckle in the middle part of the lock cylinder breaker is clamped into a clamping groove arranged on the inner wall of the hollow part at the rear end of the right lower rod to be fixed; the middle part of the bolt unscrewing device is also provided with a buckle, the front part of the bolt unscrewing device can be hidden by inserting the front part of the bolt unscrewing device into the hollow part of the bolt from the rear end of the left lower rod, and the buckle in the middle part of the bolt unscrewing device is clamped into a clamping groove arranged on the inner wall of the hollow part of the rear end of the left lower rod to be fixed.

Preferably, the lock cylinder protective cover remover comprises an insert rod and a bending conical head, the rear end of the insert rod is fixedly connected with the middle part of the front end of the left lower rod, and the bending conical head is connected to the front end of the insert rod.

Preferably, the unit door lock body opener comprises a rod body and an opening head, wherein the main body of the opening head is flat, and an opening groove is formed in the middle of the front end head of the opening head; the rear end of the rod body is fixedly connected with the middle part of the front end of the right lower rod, and the front end of the rod body is connected with the rear end of the opening head.

Preferably, the lock cylinder breaker comprises a holding rod, a square shaft toggle device and a lock cylinder breaker, the holding rod is arranged in the middle of the lock cylinder breaker, a buckle is arranged on the side face of the front part of the holding rod, the front end of the holding rod extends forwards to be connected with the square shaft toggle device, a square shaft straight bayonet is arranged at the front end of the square shaft toggle device, a square shaft side bayonet is further arranged at the inner side end of the square shaft straight bayonet, and the sizes of the square shaft straight bayonet and the square shaft side bayonet are matched with the size of a square shaft in the universal anti-theft door lock; the holding rod extends towards the rear end and is connected with a lock cylinder destroyer, a lock cylinder clamping groove is arranged in the middle of the rear end of the lock cylinder destroyer, and the size of the lock cylinder clamping groove is matched with that of a lock cylinder of the universal anti-theft door lock.

Preferably, the spring bolt unscrewing device comprises a square hole inserting piece, a long and thin rod, a handle, a supporting part and a spring bolt unscrewing end, the long and thin rod is arranged in the middle of the spring bolt unscrewing device, the front end of the long and thin rod is hinged to the rear end of the square hole inserting piece, the rear end of the long and thin rod is fixedly connected with the middle of the front end of the handle, the rear end of the handle is fixedly connected with the front end of the supporting part, the rear end of the supporting part is fixedly connected with the middle of the front end of the spring bolt unscrewing end, and a pressing block is arranged on the side face of the opening end of the spring bolt screwing.

Preferably, three pin holes are vertically and transversely penetrated in the middle of the left grabbing piece and the right grabbing piece and respectively comprise an upper pin hole, a middle pin hole and a lower pin hole, and the pin shaft can be movably inserted into the upper pin hole, the middle pin hole or the lower pin hole to adjust the opening degree between the left grabbing tooth and the upper right grabbing tooth and between the left grabbing tooth and the lower right grabbing tooth.

Preferably, the front part of the left grabbing piece is provided with strip insections on the inner side surface of the bending part, and the strip insections are arranged along the thickness direction of the left grabbing piece.

Preferably, the front parts of the upper right grabbing teeth and the lower right grabbing teeth are provided with strip-shaped insections on the inner side surface of the bending part, and the strip-shaped insections are arranged along the thickness direction of the upper right grabbing teeth and the lower right grabbing teeth respectively.

Preferably, the rear section periphery of upper left pole and upper right pole all is equipped with anti-skidding line on the surface, lower left pole and lower right pole rear end still overlap and are equipped with insulating cover.

Preferably, all be carved with the insertion mark on the relative outer wall in draw-in groove department on upper left pole, lower left pole, upper right pole and the lower right pole rear end hollow inner wall, the insertion mark is sunken in the arrow shape of going up in upper left pole, lower left pole, upper right pole and the lower right pole lower extreme outer wall.

According to the technical scheme, the eagle claw chuck, the left operating lever, the right operating lever, the lock cylinder protective cover remover, the unit door lock body opener, the lock cylinder breaker and the lock tongue opener are arranged, the pin shaft is movably inserted into different pin holes in the middle of the eagle claw chuck, the size of an opening of the eagle claw chuck gripping anti-theft door lock panel can be adjusted, the requirement of using the anti-theft door lock in different size spaces is met, and the contact positions of the inner side of the front portion of the eagle claw chuck and the two sides of the anti-theft door lock panel are provided with the strip-shaped insections to increase friction force and greatly improve the gripping effect. The left control pole and the right control pole not only can cooperate the hawk claw chuck to be used for breaking open security door lock panel, door handle and lock sleeve after assembling, can also be dismantled into and be convenient for accomodate the upper left pole of depositing and carrying, lower left pole, upper right pole and lower right pole, can hide lock core visor detacher in the upper left pole in addition, can hide the spring bolt in the lower left pole and unscrew the ware, can hide unit door lock body switch ware in the upper right pole, can hide the lock core in the lower right pole and break the ware. The unit door lock body opener can open the unit door lock after the hawk claw chuck breaks away the unit door lock shell, thereby having the function of opening the unit door lock. Simultaneously upper left pole and left lower beam, upper right pole and right lower beam, left lower beam and spring bolt twist out ware, right lower beam and lock core break out the ware between be connected and all adopted draw-in groove and buckle connected mode for each part assembled joint is fast with the decomposition, and occupation space is little after the decomposition, also easily accomodates to deposit and carry. The operation can be easily carried out by a single person, and the operation is convenient, simple and quick, thereby greatly saving the rescue time.

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 an exploded view of a convenient and quick multifunctional unlocking device for fire rescue according to the embodiment;

fig. 2 is a schematic structural view of the assembled multifunctional unlocking apparatus for fire rescue, which is convenient and quick in use according to the embodiment;

fig. 3 is a using state diagram of the lock tongue opener in the multifunctional unlocking apparatus for fire rescue disclosed in this embodiment;

fig. 4 is a schematic structural view of the multifunctional unlocking apparatus for fire rescue in the embodiment before the connection between the locking groove and the buckle;

fig. 5 is a schematic structural view of the multifunctional unlocking apparatus for fire rescue, which is disclosed in this embodiment and is convenient and quick, after the clamping groove and the buckle are connected;

fig. 6 is a top view of the eagle claw clip in the multifunctional unlocking device for fire rescue, which is convenient and quick in use and disclosed in the embodiment.

The corresponding part names indicated by the numbers in the figures:

1. the eagle claw chuck 11, the left grabbing piece 111, the left grabbing tooth 12, the right grabbing piece 121, the upper right grabbing tooth 122, the lower right grabbing tooth 2, the left operating rod 21, the left upper rod 22, the left lower rod 3, the right operating rod 31, the right upper rod 32, the right lower rod 4, the lock cylinder protection cover remover 41, the inserted link 42, the bent conical head 5, the unit door lock body switch 51, the rod body 52, the opening head 521, the opening groove 6, the lock cylinder breaker 61, the holding rod 62, the square shaft shifter 621, the square shaft straight bayonet 622, the square shaft side bayonet 63, the lock cylinder breaker 631, the lock cylinder bayonet slot 7, the lock cylinder opener 71, the square hole insert piece 72, the long rod 73, the handle 74, the supporting part 75, the lock cylinder screwing end 76, the pressing block 8, the fixing screw 9 bayonet slot 10, the pin 13, the bayonet 14, the bar-shaped tooth pattern 15, the anti-skid 16, the insertion mark 17 and the insulating sleeve 17

Detailed Description

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.

The present invention will be described in further detail with reference to examples and specific embodiments.

Examples

As shown in fig. 1-6, a convenient and fast multifunctional unlocking device for fire rescue comprises an eagle claw chuck 1, a left operating lever 2, a right operating lever 3, a lock cylinder protective cover remover 4, a unit door lock body switch 5, a lock cylinder opener 6 and a lock bolt opener 7;

the eagle claw chuck 1 comprises a left grabbing piece 11 and a right grabbing piece 12 which are S-shaped in longitudinal section, screw holes are formed in the middle of the rear ends of the left grabbing piece 11 and the right grabbing piece 12, the end part of the left grabbing piece 11 protrudes towards two sides in the transverse direction, the thickness of the end part of the left grabbing piece is gradually reduced towards the front, a left grabbing tooth 111 is formed, and the width of the left grabbing tooth 111 is larger than the thickness of the middle part of the left grabbing piece 11; a separation opening is longitudinally formed in the front part of the right grabbing piece 12 towards the middle part, the separation opening is used for separating the front part into an upper right grabbing tooth 121 and a lower right grabbing tooth 122, and the forward thickness of the end parts of the upper right grabbing tooth 121 and the lower right grabbing tooth 122 is gradually reduced;

the left control rod 2 comprises an upper left rod 21 and a lower left rod 22, the right control rod 3 comprises an upper right rod 31 and a lower right rod 32, the front ends of the upper left rod 21 and the upper right rod 31 are respectively provided with a fixing screw 8, backward rod bodies at the front ends of the upper left rod 21, the lower left rod 22, the upper right rod 31 and the lower right rod 32 are all hollow, and the inner walls of the hollow rear ends of the upper left rod 21, the lower left rod 22, the upper right rod 31 and the lower right rod 32 are provided with clamping grooves 9;

the middle part of the left grabbing piece 11 is inserted into a partition in the middle part of the right grabbing piece 12, three pin holes are vertically and transversely penetrated through the middle parts of the left grabbing piece 11 and the right grabbing piece 12, namely an upper pin hole, a middle pin hole and a lower pin hole, a pin shaft 10 is movably inserted into the upper pin hole, the middle pin hole or the lower pin hole according to different sizes of spaces around the place where the anti-theft door lock is located, the pin shaft 10 is used for adjusting the opening degree between the left grabbing tooth 11 and the upper right grabbing tooth 121 and between the left grabbing tooth 10 and the lower right grabbing tooth 122, and when the spaces on two sides of the panel of the anti-theft door lock are small, the pin shaft 10 is inserted into the upper pin hole for fixing, so that the opening degree between the left grabbing tooth 11 and the upper right grabbing tooth 121 and the lower right grabbing tooth 122 is small, and cannot be blocked by door frames or side walls on two sides; when the space on the two sides of the anti-theft door lock panel is large, the pin shaft 10 is inserted into the middle pin hole for fixing, so that the opening degree between the left grabbing tooth 11 and the upper right grabbing tooth 121 and between the left grabbing tooth 122 and the upper right grabbing tooth 122 is medium; if the space of security door lock panel both sides is enough big, just insert round pin axle 10 in the lower pin hole fixed, this just makes left grab tooth 11 and last right grab tooth 121 and lower right grab tooth 122 between aperture maximize for left grab tooth 11 and last right grab tooth 121 and lower right grab tooth 122 between aperture maximize also, thereby can satisfy the demand of taking out the lock in various space size places. After the pin shaft 10 is inserted and fixed, the upper right gripper 121 and the lower right gripper 122 can be opened and closed with the left gripper 11 around the pin shaft 10; the left upper rod 21 and the right upper rod 31 can be inserted into screw holes at the rear ends of the left grabbing piece 11 and the right grabbing piece 12 respectively through fixing screws 8 at the front ends of the left upper rod and the right upper rod to fix the left upper rod and the right upper rod;

the front end of the left lower rod 22 extends forwards to be connected with the lock cylinder protective cover remover 4, a buckle 13 is arranged at the connection position of the lock cylinder protective cover remover 4, the lock cylinder protective cover remover 4 can be inserted into the hollow position of the left upper rod 21 from the rear end to be hidden, and then the buckle 13 at the connection position of the left lower rod 22 and the lock cylinder protective cover remover 4 is clamped into a clamping groove 9 arranged on the inner wall of the hollow position of the rear end of the left upper rod 21 to be fixed; the right lower rod 32 extends forwards to be connected with the unit door lock body switch 5, a buckle 13 is arranged at the connection position of the right lower rod 32, the unit door lock body switch 5 can be inserted into the hollow position of the right upper rod 31 from the rear end to be hidden, and then the buckle 13 at the connection position of the right lower rod 32 and the unit door lock body switch 5 is clamped into a clamping groove 9 arranged at the hollow inner wall of the rear end of the right upper rod 31 to be fixed; the middle part of the lock cylinder breaker 6 is also provided with a buckle 13, the front part of the lock cylinder breaker can be inserted into the hollow part of the right lower rod 32 from the rear end of the right lower rod to be hidden, and then the buckle 13 in the middle part of the lock cylinder breaker 6 is clamped into a clamping groove 9 arranged on the inner wall of the hollow part of the rear end of the right lower rod 32 to be fixed; the middle part of the bolt unscrewing device 7 is also provided with a buckle 13, the front part of the bolt unscrewing device can be hidden by being inserted into a hollow part of the bolt from the rear end of the left lower rod 22, and the buckle 13 in the middle part of the bolt unscrewing device 7 is clamped into a clamping groove 9 arranged on the inner wall of the hollow part of the rear end of the left lower rod 22 to be fixed.

The lock cylinder protection cover remover 4 comprises an insert rod 41 and a bending conical head 42, the rear end of the insert rod 41 is fixedly connected with the middle part of the front end of the left lower rod 22, and the bending conical head 42 is connected with the front end of the insert rod 41. The unit door lock body switch 5 comprises a rod body 51 and an opening head 52, wherein the main body of the opening head 52 is flat, and the middle part of the front end head of the opening head is provided with an opening groove 521; the rear end of the rod body 51 is fixedly connected with the middle part of the front end of the right lower rod 32, and the front end of the rod body 51 is connected with the rear end of the opening head 52. The lock cylinder breaker 6 comprises a holding rod 61, a square shaft toggle device 62 and a lock cylinder destroyer 63, the holding rod 61 is arranged in the middle of the lock cylinder breaker 6, a buckle 13 is arranged on the side face of the front part of the holding rod 61, the front end of the holding rod extends forwards to be connected with the square shaft toggle device 62, a square shaft straight bayonet 621 is arranged at the front end of the square shaft toggle device 62, a square shaft side bayonet 622 is further arranged at the inner side end of the square shaft straight bayonet 621, and the sizes of the square shaft straight bayonet 621 and the square shaft side bayonet 622 are matched with the size of a square shaft in the universal anti-theft door lock; the holding rod 61 extends towards the rear end and is connected with a lock cylinder destroyer 63, a lock cylinder clamping groove 631 is arranged in the middle of the rear end of the lock cylinder destroyer 63, and the size of the lock cylinder clamping groove 631 is matched with that of a lock cylinder of a universal anti-theft door lock. The bolt unscrewing device 7 comprises a square hole inserting piece 71, a long rod 72, a handle 73, a supporting portion 74 and a bolt unscrewing end 75, wherein the long rod 72 is arranged in the middle of the bolt unscrewing device 7, the front end of the long rod 72 is hinged with the rear end of the square hole inserting piece 71, the rear end of the long rod 72 is fixedly connected with the middle of the front end of the handle 73, the rear end of the handle 73 is fixedly connected with the front end of the supporting portion 74, the rear end of the supporting portion 74 is fixedly connected with the middle of the front end of the bolt unscrewing end 75, and a pressing block 76 is arranged on the side face of the bolt unscrewing end 75.

Meanwhile, the strip insections 14 are arranged on the inner side face of the bent part at the front part of the left grabbing piece 11, and the strip insections 14 are arranged along the thickness direction of the left grabbing piece 11. The front parts of the upper right grabbing tooth 121 and the lower right grabbing tooth 122 are provided with strip-shaped insections 14 on the inner side surface of the bending part, and the strip-shaped insections 14 are arranged along the thickness direction of the upper right grabbing tooth 121 and the lower right grabbing tooth 122 respectively. Therefore, when the panel of the anti-theft door lock is grabbed and clamped, the friction force at the position can be increased, and the eagle claw chuck 1 can be better helped to quickly grab and clamp the panel of the anti-theft door lock.

In addition, in order to prevent the firefighter from slipping when holding by force, the rear section circumference surfaces of the left upper rod 21 and the right upper rod 31 are provided with anti-slip lines 15, and the rear ends of the left lower rod 22 and the right lower rod 32 are also sleeved with insulating sleeves 17, so that the situation of electric leakage on the anti-theft door lock which possibly occurs in rescue is prevented. Insert mark 16 is carved with on the hollow inner wall of draw-in groove 9 department relatively on the upper left pole 21, lower left pole 22, upper right pole 31 and lower right pole 32 rear end, insert mark 16 is sunken in upper left pole 21, lower left pole 22, upper right pole 31 and lower right pole 32 lower extreme outer wall ascending arrow shape. The design is to remind the fireman to quickly insert the lock cylinder protective cover remover 4, the unit door lock body switch 5, the lock cylinder opener 6 and the lock bolt opener 7 to hide and fix the multifunctional unlocking apparatus, the fireman only needs to find the corresponding insertion mark 16 beside the insertion position when assembling the convenient and quick multifunctional unlocking apparatus for fire rescue, the buckle 13 is aligned to the clamping groove 9 to completely insert the lock cylinder protective cover remover 4, the unit door lock body switch 5, the lock cylinder opener 6 and the lock bolt opener 7 and then rotates, and the buckle 13 is clamped into the bending position at the front end of the clamping groove 9 to clamp the multifunctional unlocking apparatus. Reverse rotation makes buckle 13 move to the straight notch department of draw-in groove 9 from the department of bending of draw-in groove 9 front end during the dismantlement, reuse power toward outer extract can, convenient and fast.

The working principle of the convenient and quick multifunctional unlocking instrument for fire rescue is as follows: when a fire fighter arrives at a rescue site of the anti-theft door, firstly, the preassembled hawk claw chuck 1 is aligned with the anti-theft door lock, then, the rear ends of the left operating lever 2 and the right operating lever 3 are grasped by two hands, the rear ends of the left operating lever 2 and the right operating lever 3 are pulled out towards two sides, so that the hawk claw chuck 1 is opened, then, the lock panel of the anti-theft door lock is placed between the opened openings of the hawk claw chuck 1, the left grabbing tooth 111 of the left grabbing piece 11 is aligned with the slit between the left side edge of the lock panel and the door panel, the upper right grabbing tooth 121 and the lower right grabbing tooth 122 of the right grabbing piece 12 are aligned with the slit between the right side edge of the lock panel and the door panel, then, the two hands rapidly and forcefully close inwards, so that the left grabbing tooth 111, the upper right grabbing tooth 121 and the lower right grabbing tooth 122 are also closed towards the middle of the left operating lever 2 and the right grabbing tooth 122, so that the left grabbing tooth 111, the upper right grabbing tooth 121 and the lower tooth 122 are closed towards the middle, the left side edge of the lock panel and the right grabbing tooth 122 are inserted into the slit between the door panel, so that the lock panel can be opened, the lock panel, and the lock cylinder can be separated from the lock panel, and the lock panel can be separated from the lock panel, and then, the left operating lever 1 can be pulled back by the left operating lever 2 and the left operating lever 3, and the left operating lever can be pulled by the left operating lever 3, and the fire fighter lever. Then the fireman detaches the left control lever 2 and the right control lever 3 from the hawk claw chuck 1, detachers the lock core protective cover detacher 4, the unit door lock body switcher 5, the lock core breaker 6 and the bolt unscrewing device 7, aligns the lock core exposing part by using the lock core breaker 63 on the lock core breaker 6, blocks the lower part of the lock core by using the lock core clamping groove 631, and then pulls the lock core to the side with force to separate the lock core damage from the lock sleeve. Finally, the firemen insert the square hole insert 71 of the bolt unscrewing device 7 into the square hole left after the lock core is separated from the lock sleeve, and then the firemen hold the square hole insert 71 with one hand and hold the rear part of the handle 73 with the other hand to axially pull the turnover, and then pull the rotating handle 73 along the radial direction of the handle 73, so that the bolt can be pulled into the lock by driving the connecting piece at the root of the bolt, and the anti-theft door can be opened.

Certainly, if a firefighter needs to break and disassemble the unit door lock in the process of unlocking and rescuing, the hawk claw chuck 1 is also used for grabbing and clamping the square lock shell outside the unit door lock firstly and then inserting the unit door lock body switch 5 into the door, so that the opening head 52 extends into the lock hole to enable the opening groove 521 to clamp the internal part and rotate, and then the unit door lock can be unlocked. Similarly, when some anti-theft door locks need to be dismounted after the lock cylinder protective covers are dismounted, the bending conical head 42 of the dismounting device lock cylinder protective cover dismounting device 4 is inserted into a gap between the dismounting lock cylinder protective covers and the lock cylinders and is pried outwards, so that the dismounting lock cylinder protective covers can be tilted. In addition, when the square shaft of the lock is exposed after being disassembled, the lock tongue can be taken out of the lock hole through the connecting piece of the lock core opener 6 only by clamping the square shaft to rotate through the square shaft straight bayonet 621 or the square shaft side bayonet 622 according to the position of the lock core opener, so that the lock can be disassembled.

In the embodiment, the eagle claw chuck 1, the left operating lever 2, the right operating lever 3, the lock cylinder protective cover remover 4, the unit door lock body switch 5, the lock cylinder breaker 6 and the lock tongue opener 7 are arranged, the pin shaft 10 is movably inserted into different pin holes in the middle of the eagle claw chuck 1, the size of an opening of the panel of the burglarproof door lock clamped by the eagle claw chuck 1 can be adjusted, the use of the burglarproof door lock in different size spaces is met, and the contact positions of the inner side of the front part of the eagle claw chuck 1 and the two sides of the panel of the burglarproof door lock are provided with the strip-shaped insections 14 to increase friction force and improve the clamping effect. The left control rod 2 and the right control rod 3 not only can cooperate the hawk claw chuck 1 to be used for breaking open the security door lock panel after assembling, door handle and lock sleeve, can also be dismantled into and be convenient for accomodate the upper left pole 21 of depositing and transport, the lower left pole 22, the upper right pole 31 and the lower right pole 32, can hide lock core visor detacher 4 in the upper left pole 21 in addition, can hide the spring bolt in the lower left pole 22 and unscrew ware 7, can hide unit door lock body switch 5 in the upper right pole 31, can hide lock core breaker 6 in the lower right pole 32. The unit door lock body opener 5 can open the unit door lock after the hawk claw chuck 1 breaks away the unit door lock shell, thereby having the function of opening the unit door lock. Simultaneously, the connection between the left upper rod 21 and the left lower rod 22, the right upper rod 31 and the right lower rod 32, the connection between the left lower rod 22 and the bolt unscrewing device 7, and the connection between the right lower rod 32 and the lock cylinder breaking device 6 all adopt the connection mode of the clamping groove 9 and the buckle 13, so that the assembly connection and the disassembly speed of each part are high, the occupied space after the disassembly is small, and the storage and the carrying are easy to take in. The operation can be easily carried out by a single person, and the operation is convenient, simple and quick, thereby greatly saving the rescue time. Thereby the purposes of novel design, reasonable structure and good application effect are achieved.

The above description is only a preferred embodiment of the multifunctional unlocking device for fire rescue, which is convenient and fast, and it should be noted that, for those skilled in the art, many variations and modifications can be made without departing from the inventive concept, and these variations and modifications all fall into the protection scope of the present invention.

Claims (10)

1. A convenient and quick multifunctional unlocking apparatus for fire rescue is characterized by comprising an eagle claw chuck, a left operating lever, a right operating lever, a lock cylinder protective cover remover, a unit door lock body switch, a lock cylinder breaker and a lock tongue opener;

the eagle claw chuck comprises a left grabbing piece and a right grabbing piece which are S-shaped in longitudinal section, screw holes are formed in the middle parts of the rear ends of the left grabbing piece and the right grabbing piece, the end part of the left grabbing piece protrudes towards two sides in the transverse direction, the thickness of the end part of the left grabbing piece is gradually reduced towards the front, a left grabbing tooth is formed, and the width of the left grabbing tooth is larger than the thickness of the middle part of the left grabbing piece; the front part of the right grabbing piece is longitudinally provided with a separation opening towards the middle part and is divided by the separation opening to form an upper right grabbing tooth and a lower right grabbing tooth, and the forward thickness of the end parts of the upper right grabbing tooth and the lower right grabbing tooth is gradually reduced;

the left control rod comprises an upper left rod and a lower left rod, the right control rod comprises an upper right rod and a lower right rod, the front ends of the upper left rod and the upper right rod are respectively provided with a fixing screw, rod bodies with backward front ends of the upper left rod, the lower left rod, the upper right rod and the lower right rod are all hollow, and the inner walls of the hollow rear ends of the upper left rod, the lower left rod, the upper right rod and the lower right rod are provided with clamping grooves;

the middle part of the left grabbing piece is inserted into a separation opening in the middle part of the right grabbing piece, at least one pin hole is vertically and transversely penetrated in the middle parts of the left grabbing piece and the right grabbing piece, a pin shaft is movably inserted into the pin hole, and the upper right grabbing tooth and the lower right grabbing tooth can be opened and closed with the left grabbing tooth around the pin shaft; the left upper rod and the right upper rod can be respectively inserted into screw holes at the rear ends of the left grabbing piece and the right grabbing piece through fixing screws at the front ends of the left upper rod and the right upper rod to fix the left upper rod and the right upper rod;

the front end of the left lower rod extends forwards to be connected with the lock cylinder protective cover remover, a buckle is arranged at the connection position of the lock cylinder protective cover remover, the lock cylinder protective cover remover can be inserted into the hollow position of the left upper rod from the rear end of the left upper rod to be hidden, and then the buckle at the connection position of the left lower rod and the lock cylinder protective cover remover is clamped into a clamping groove arranged on the inner wall of the hollow position of the rear end of the left upper rod to be fixed; the right lower rod extends forwards to be connected with the unit door lock body switch, a buckle is arranged at the connection position of the right lower rod, the unit door lock body switch can be inserted into the hollow position of the right upper rod from the rear end of the right upper rod to be hidden, and then the buckle at the connection position of the right lower rod and the unit door lock body switch is clamped into a clamping groove arranged on the inner wall of the hollow position at the rear end of the right upper rod to be fixed; the middle part of the lock cylinder breaker is also provided with a buckle, the front part of the lock cylinder breaker can be inserted into the hollow part of the right lower rod from the rear end of the right lower rod to be hidden, and the buckle in the middle part of the lock cylinder breaker is clamped into a clamping groove arranged on the inner wall of the hollow part at the rear end of the right lower rod to be fixed; the middle part of the bolt unscrewing device is also provided with a buckle, the front part of the bolt unscrewing device can be hidden by inserting the front part of the bolt unscrewing device into the hollow part of the bolt from the rear end of the left lower rod, and the buckle in the middle part of the bolt unscrewing device is clamped into a clamping groove arranged on the inner wall of the hollow part of the rear end of the left lower rod to be fixed.

2. A convenient and fast multifunctional unlocking apparatus for fire rescue as claimed in claim 1, wherein the lock cylinder protection cover remover comprises an insert rod and a bending cone head, the rear end of the insert rod is fixedly connected with the middle part of the front end of the left lower rod, and the bending cone head is connected with the front end of the insert rod.

3. A convenient and fast multifunctional unlocking apparatus for fire rescue as claimed in claim 2, wherein the unit door lock body switch comprises a rod body and an opening head, the main body of the opening head is flat, and an opening groove is arranged in the middle of the front end of the opening head; the rear end of the rod body is fixedly connected with the middle part of the front end of the right lower rod, and the front end of the rod body is connected with the rear end of the opening head.

4. The multifunctional unlocking apparatus for fire rescue as claimed in claim 3, wherein the lock cylinder breaker comprises a holding rod, a square shaft tumbler and a lock cylinder breaker, the holding rod is disposed in the middle of the lock cylinder breaker, a buckle is disposed on the side of the front portion of the holding rod, the front end of the holding rod extends forward to connect with the square shaft tumbler, the front end of the square shaft tumbler is provided with a square shaft straight bayonet, the inner side end of the square shaft straight bayonet is further provided with a square shaft side bayonet, and the square shaft straight bayonet and the square shaft side bayonet are matched with the square shaft in the universal security door lock in size; the holding rod extends towards the rear end and is connected with a lock cylinder destroyer, a lock cylinder clamping groove is arranged in the middle of the rear end of the lock cylinder destroyer, and the size of the lock cylinder clamping groove is matched with that of a lock cylinder of the universal anti-theft door lock.

5. The convenient and fast multifunctional unlocking instrument for fire rescue as claimed in claim 4, characterized in that the lock tongue opener comprises a square hole insert, an elongated rod, a handle, a supporting portion and a lock tongue opening end, the elongated rod is arranged in the middle of the lock tongue opener, the front end of the elongated rod is hinged to the rear end of the square hole insert, the rear end of the elongated rod is fixedly connected to the middle of the front end of the handle, the rear end of the handle is fixedly connected to the front end of the supporting portion, the rear end of the supporting portion is fixedly connected to the middle of the front end of the lock tongue opening end, and a pressing block is arranged on the side surface of the lock tongue opening end.

6. The multifunctional unlocking device for fire rescue conveniently and rapidly according to claim 5, wherein three pin holes are vertically and transversely arranged in the middle of the left grabbing piece and the right grabbing piece, the three pin holes are respectively an upper pin hole, a middle pin hole and a lower pin hole, and the pin shaft can be movably inserted into the upper pin hole, the middle pin hole or the lower pin hole to adjust the opening degree between the left grabbing tooth and the upper right grabbing tooth and between the left grabbing tooth and the lower right grabbing tooth.

7. A convenient and fast multifunctional unlocking apparatus for fire rescue as claimed in claim 6, wherein the front part of the left grabbing piece is provided with strip-shaped insections on the inner side surface of the bending part, and the strip-shaped insections are arranged along the thickness direction of the left grabbing piece.

8. A convenient and fast multifunctional unlocking device for fire rescue as claimed in claim 7, wherein the front portions of the upper right grab tooth and the lower right grab tooth are provided with strip-shaped insections on the inner side surface of the bent portion, and the strip-shaped insections are arranged along the thickness direction of the upper right grab tooth and the lower right grab tooth respectively.

9. The multifunctional unlocking device for fire rescue as claimed in claim 8, wherein the rear circumferential surfaces of the upper left rod and the upper right rod are provided with anti-slip lines, and the rear ends of the lower left rod and the lower right rod are further sleeved with insulating sleeves.

10. A convenient and fast multifunctional unlocking device for fire rescue as claimed in claim 9, wherein the hollow inner walls of the rear ends of the left upper rod, the left lower rod, the right upper rod and the right lower rod are respectively engraved with an insertion mark on the outer wall opposite to the clamping groove, and the insertion marks are in the shape of an arrow which is recessed in the outer walls of the lower ends of the left upper rod, the left lower rod, the right upper rod and the right lower rod and faces upwards.

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