Door knife device with door lock and capable of preventing door from being scrabbed

Abstract

The invention relates to the field of elevators, in particular to an anti-pushing door knife device with a door lock. The invention discloses an anti-pushing door knife device with a door lock. Comprising a bottom plate assembly, a swing rod assembly, a convex plate assembly, a plug assembly, a fixed ball assembly, a movable ball assembly, a cushion column, a right lower connecting rod assembly, a connecting rod assembly, an emergency steel wire rope assembly, a right anti-pushing plate assembly, a right tool arm assembly, a left lower connecting rod assembly, a left anti-pushing plate assembly, a left upper connecting rod assembly, a right upper connecting rod assembly, a push plate assembly and a steel wire rope pulling plate assembly. A limiting hole a is formed in the upper portion of the left side of the bottom plate assembly, a rocker fixing shaft a is arranged below the limiting hole a, and one end of the rocker fixing shaft a penetrates through the bottom plate assembly and is fixed through a nut. The door knife has the beneficial effects that when a person scratches a door from the outside of a car to two sides, the left and right anti-scratches door assemblies on the door knife can simultaneously move outwards from two sides, and the left anti-scratches door assembly drives the left upper connecting rod assembly to rotate to push the lock hook assembly, so that the lock hook is lifted up, and the left and right knife arm assemblies are closed.

Description

Technical Field

[0001] The invention relates to the field of elevators, in particular to a door knife device with a door lock to prevent door picking. Background Art

[0002] The elevator door knife is a device that controls the opening and closing of the elevator door. During the operation of the elevator, it is inevitable that there will be failures. However, users in the elevator are prone to operating incorrectly, causing safety hazards. This is to prevent the door from being opened manually from outside the car. Summary of the invention

[0003] In order to solve the above-mentioned technical problem of potential safety hazard of door prying open, the present invention provides a door knife device with a door lock to prevent door prying.

[0004] The technical solution of the present invention is as follows: A door knife device with door lock and anti-pick-up door, comprising a bottom plate assembly, a swing arm assembly, a convex plate assembly, a plug assembly, a fixed ball assembly, a moving ball assembly, a cushion column, a right lower connecting rod assembly, a connecting rod assembly, an emergency wire rope assembly, a right anti-pick-up plate assembly, a right knife arm assembly, a left lower connecting rod assembly, a left anti-pick-up plate assembly, a left upper connecting rod assembly, a right upper connecting rod assembly, a push plate assembly, a wire rope pull plate assembly, a lock hook assembly and a left knife arm assembly, wherein a limiting hole a is provided on the upper left side of the bottom plate assembly, a rocker fixing shaft a is provided below the limiting hole a, and the rocker fixing shaft a is provided One end of a passes through the bottom plate assembly and is fixed by a nut, and the other end of the rocker fixed shaft a passes through the bearing and is fixed by a nut. The bearing outer sleeve is provided with a rocker sleeve a, and the rocker sleeve a is arranged outside the middle of the right side of the rocker assembly. The inner wall of the rocker assembly is provided with a rocker limit shaft, and the rocker limit shaft is provided with a limit wheel a. The limit wheel a is in the limit hole a. The rocker assembly is trapezoidal, with a larger upper part and a smaller lower part. A belt pin is provided on the upper inner wall of the rocker assembly, and the belt pin is located in the notch on the left side of the top of the bottom plate assembly. The lower part of the rocker assembly connects the upper left connecting rod assembly and the push plate through the connecting shaft a. The components are connected together, the push plate component is on the inside, the upper left connecting rod component is on the outside, the lower end of the upper left connecting rod component is connected to the left knife arm component, the lower end of the left knife arm component is connected to the lower end of the left lower connecting rod component, the left anti-pickup plate component is connected to the left end of the lower left connecting rod component and the left end of the upper left connecting rod component through shaft retaining rings, the left end of the lower left connecting rod component passes through the connecting rod component and is connected to the push plate component through the connecting shaft c, there is an elliptical hole in the middle of the lower left connecting rod component, the limit shaft a on the left knife arm component is stuck in the elliptical hole, and the connecting rod component is greater than 9 0° angle, with round holes in the middle and at both ends, a rocker fixed shaft b is provided in the middle of the connecting rod assembly, one end of the rocker fixed shaft b passes through the bottom plate assembly and is fixed by a nut, and the other end of the rocker fixed shaft b passes through the bearing and is fixed by a nut, a rocker sleeve b is provided on the bearing outer sleeve, and the rocker sleeve b is externally arranged in the middle of the connecting rod assembly, the right end of the connecting rod assembly is connected to the upper end of the right lower connecting rod assembly, the lower end of the right knife arm assembly is connected to the lower end of the right lower connecting rod assembly, and there is an elliptical hole in the middle of the right lower connecting rod assembly, and the limit shaft b on the right knife arm assembly is stuck in the elliptical hole,The lower end of the right anti-pick door assembly is connected to the right end of the right lower connecting rod assembly, the upper end of the right anti-pick door assembly is respectively connected to the right end of the right upper connecting rod assembly, the upper part of the right knife arm assembly is connected to the middle of the right upper connecting rod assembly, the middle and lower parts of the left side of the right upper connecting rod assembly are both provided with arc grooves, a bearing connecting shaft a is provided on the inner side of the lower end of the right upper connecting rod assembly, a bearing is provided on the bearing connecting shaft a, the bearing is located on the left side of the blocking body b at the lower part of the lock hook assembly, the middle part of the lock hook assembly is rotatably arranged on the bottom plate assembly through the bearing, a groove is provided on the left side of the lock hook assembly, a blocking body a is provided on the right side of the groove, and the blocking body The right side of body a is an arc-shaped slope, a wire rope pull plate assembly is arranged in the groove, the wire rope pull plate assembly has a vertically arranged clamp, the clamp is clamped in the groove, a connecting plate is arranged at the lower end of the wire rope pull plate assembly, a wire rope is fixed on the connecting plate, a bushing is arranged outside the wire rope, the wire rope passes through the emergency wire rope assembly, the emergency wire rope assembly includes a release bracket, a spring pad is arranged below the release bracket, the bushing passes through the release bracket and contacts with the spring pad, a nut is fixed under the spring pad, movable shafts are arranged on both sides of the spring pad, the movable shaft passes through the lower end of the release bracket, and the movable shaft passes through the lower end of the release bracket. The outer sleeve of the moving shaft is provided with a spring, the inner side of the right end of the left upper connecting rod assembly is provided with a bearing connecting shaft b, the bearing connecting shaft b is located on the right side of the block body a, and a bearing is provided on the bearing connecting shaft b. A bracket for fixing the door electric shock plug through a pad column is provided on the upper left part of the back of the bottom plate assembly, a baffle is provided on the upper right side of the bottom plate assembly, a hole is provided on the baffle, a cross slot pan head screw is provided in the middle, a gasket is provided on the head of the cross slot pan head screw, a spring is provided under the gasket, the spring is sleeved on the cross slot pan head screw, and the lower end of the cross slot pan head screw is fixed on the inner wall card of the convex plate assembly, and a There is a bearing, and a dead point block fixed shaft a is provided on the bearing, and the dead point block fixed shaft passes through the bottom plate assembly to connect the fixed ball assembly, and a dead point block fixed shaft b is provided on the left side of the convex plate assembly, and the dead point block fixed shaft b passes through the limit hole b to connect the moving ball assembly, and a positioning wheel is provided in the dead point block fixed shaft b, and the positioning wheel is located in the limit hole b. The moving ball assembly and the fixed ball assembly are respectively connected to the convex plate assembly through the shaft retaining ring, and the emergency wire rope assembly and the bottom plate assembly are fixed together by bolts, and the plug assembly and the bottom plate assembly are fixed together by bolts through the column pad. ,

[0005] The left lower connecting rod assembly and the right lower connecting rod assembly have the same structure, are T-shaped, and have three round holes.

[0006] The left side of the lock hook assembly is in an inverted T shape, the lower outer wall of the left side of the middle block body a is recessed with a groove, and a block body b is provided at the lower part. The lock hook assembly has a cross bar on one side, and a barb is provided at the right end of the cross bar.

[0007] The right upper connecting rod assembly is L-shaped, with three circular holes arranged in three directions of the upper part and a recessed groove on the left side of the lower part.

[0008] The release bracket is U-shaped, and the outer wall is fixed on the bottom plate assembly. The release bracket comprises an upper crossbeam and a lower crossbeam, and both the upper crossbeam and the lower crossbeam have three circular holes.

[0009] The bottom plate assembly is F-shaped.

[0010] The rocker assembly is provided with a bearing, a connecting shaft a is provided in the bearing, the outer side of the connecting shaft a passes through the bearing and is connected to the upper end of the left upper connecting rod assembly, the inner side of the connecting shaft a passes through the bearing and is connected to the upper end of the push plate assembly, a bearing is provided at the lower end of the left upper connecting rod assembly, a connecting shaft b is provided on the bearing, one end of the connecting shaft b passes through the upper part of the left knife arm assembly and is fixed by a shaft retaining ring and a nut, the other end of the connecting shaft b passes through the bearing and is fixed by a nut, a sleeve is provided inside the bearing, and the connecting shaft c is, from bottom to top, the push plate assembly, the connecting rod assembly and the lower left connecting rod assembly are arranged in sequence, the push plate assembly, the connecting rod assembly and the lower left connecting rod assembly are provided with bearings, and there is a gap between the push plate assembly and the connecting rod assembly A bearing top sleeve is provided, a sleeve is provided between the connecting rod assembly and the lower left connecting rod assembly, a bearing is provided at the right end of the connecting rod assembly, a bearing is provided at the upper end of the lower right connecting rod assembly, a connecting rod a passes through the bearing of the connecting rod assembly and the bearing of the lower right connecting rod assembly and is fixed by a nut, a sleeve is provided on the bearing of the connecting rod assembly, a bearing top copper sleeve is provided below, a bearing is provided at the lower end of the lower right connecting rod assembly, a connecting shaft d is provided on the bearing, one end of the connecting shaft d passes through the lower part of the right knife arm assembly and is fixed by a shaft retaining ring and a nut, a bearing is provided in the middle part of the upper right connecting rod assembly, a connecting shaft e passes through the bearing, and the connecting shaft e passes through the bearing top copper sleeve, the sleeve and the right knife arm assembly are fixed by a nut.

[0011] The technical solution of the present invention has a novel structure and an ingenious and simple design. When someone pries the door to both sides outside the car, the left and right anti-prying door assemblies on the door knife will move outward on both sides at the same time, and the left anti-prying door assembly drives the upper left connecting rod assembly to rotate and push the lock hook assembly to lift the lock hook and close the left and right knife arm assemblies. By pulling the wire rope on the emergency wire rope assembly, the emergency wire rope assembly drives the wire steel pull plate assembly to push the lock hook assembly to lift the lock hook, and at the same time drives the connecting rod assembly to rotate to close the left and right knife arms of the door knife, thereby finally opening the elevator door. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 , 2 3 is a schematic diagram of the structure of the present invention; Figure 4 , 5 6 is a schematic diagram of the structure of the door knife closing of the present invention; Figure 7 , 8 9 is a schematic diagram of the structure of the door knife opening of the present invention; Fig.10 is a schematic structural diagram of a base plate assembly of the present invention; Fig.11 It is a structural schematic diagram of the lock hook assembly of the present invention; Fig.12 It is a structural schematic diagram of a left lower connecting rod assembly and a right lower connecting rod assembly of the present invention; Fig.13is a schematic structural diagram of the release bracket of the present invention; Fig.14 It is a structural schematic diagram of the rocker fixed axis a and the rocker fixed axis b of the present invention; Fig.15 It is a schematic diagram of the structure of the rocker sleeve a and the rocker sleeve b of the present invention; Fig.16 It is a structural schematic diagram of the right upper connecting rod assembly of the present invention. DETAILED DESCRIPTION

[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments. Example

[0014] like Figure 1 , 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, a door knife device with a door lock and an anti-pickpocket door, comprises a bottom plate assembly 1, a swing arm assembly 2, a convex plate assembly 3, a plug assembly 4, a fixed ball assembly 5, a moving ball assembly 6, a cushion column 7, a right lower connecting rod assembly 8, a connecting rod assembly 9, an emergency wire rope assembly 10, a right anti-pickpocket plate assembly 11, a right knife arm assembly 12, a left lower connecting rod assembly 13, a left anti-pickpocket plate assembly 14, a left upper connecting rod assembly 15, a right upper connecting rod assembly 16, a push plate assembly 17, a wire rope pull plate assembly 18, a lock hook assembly 19 and a left knife arm assembly 20, wherein the A limiting hole a21 is provided on the upper left side of the bottom plate assembly 1, and a rocker fixed shaft a22 is provided below the limiting hole a21. One end of the rocker fixed shaft a22 passes through the bottom plate assembly 1 and is fixed by a nut, and the other end of the rocker fixed shaft a22 passes through the bearing and is fixed by a nut. A rocker shaft sleeve a is provided on the bearing outer sleeve, and the rocker shaft sleeve a is arranged on the middle part of the right side of the rocker arm assembly 2. A rocker limiting shaft is provided on the inner wall of the rocker arm assembly 2, and a limiting wheel a is provided on the rocker limiting shaft. The limiting wheel a is in the limiting hole a21. The rocker arm assembly 2 is trapezoidal, larger at the top and smaller at the bottom. A belt pin shaft 23 is provided on the upper inner wall of the rocker arm assembly 2, and the belt pin shaft 23 is located at the notch on the left side of the top of the bottom plate assembly 1 In the figure, the lower part of the swing arm assembly 2 connects the left upper connecting rod assembly 15 and the push plate assembly 17 together through the connecting shaft a, the push plate assembly 17 is on the inside, and the left upper connecting rod assembly 15 is on the outside. The lower end of the left upper connecting rod assembly 15 is connected to the left knife arm assembly 20, and the lower end of the left knife arm assembly 20 is connected to the lower end of the left lower connecting rod assembly 13. The left anti-pick plate assembly 14 is connected to the left end of the left lower connecting rod assembly 13 and the left end of the left upper connecting rod assembly 15 through the shaft with a retaining ring respectively. The left end of the left lower connecting rod assembly 13 passes through the connecting rod assembly 9 and is connected to the push plate assembly 17 through the connecting shaft c. There is an elliptical hole in the middle of the left lower connecting rod assembly 13. The left knife arm assembly 20 is connected to the left knife arm assembly 20. The limit axis a is stuck in the elliptical hole. The connecting rod assembly 9 is at an angle greater than 90°, and circular holes are provided in the middle and at both ends. A rocker fixed axis b is provided in the middle of the connecting rod assembly 9. One end of the rocker fixed axis b passes through the bottom plate assembly 1 and is fixed by a nut. The other end of the rocker fixed axis b passes through the bearing and is fixed by a nut. The bearing outer sleeve is provided with a rocker sleeve b. The rocker sleeve b is externally arranged in the middle of the connecting rod assembly 9. The right end of the connecting rod assembly 9 is connected to the upper end of the right lower connecting rod assembly 8. The lower end of the right knife arm assembly 12 is connected to the lower end of the right lower connecting rod assembly 8. There is an elliptical hole in the middle of the right lower connecting rod assembly 8. The limit axis b on the right knife arm assembly 12 is stuck in the elliptical hole.The lower end of the right anti-pick door assembly 11 is connected to the right end of the right lower connecting rod assembly 8, the upper end of the right anti-pick door assembly 11 is respectively connected to the right end of the right upper connecting rod assembly 16, the upper part of the right knife arm assembly 12 is connected to the middle part of the right upper connecting rod assembly 16, the middle and lower parts of the left side of the right upper connecting rod assembly 16 are both provided with arc grooves, the inner side of the lower end of the right upper connecting rod assembly 16 is provided with a bearing connecting shaft a, and the bearing connecting shaft a is provided with a bearing, and the bearing is located on the left side of the lower block body b26 of the lock hook assembly 19, and the middle part of the lock hook assembly 19 is rotatably arranged on the bottom plate assembly 1 through the bearing, and the left side of the lock hook assembly 19 is provided with a groove 25, and the groove A blocking body a24 is provided on the right side, and the right side of the blocking body a24 is an arc-shaped slope. A wire rope pull plate assembly 18 is provided in the groove 25. The wire rope pull plate assembly 18 has a vertically arranged clamp head, which is clamped in the groove 25. A connecting plate is provided at the lower end of the wire rope pull plate assembly 18, and a wire rope is fixed on the connecting plate. A bushing is provided outside the wire rope, and the wire rope passes through the emergency wire rope assembly 10. The emergency wire rope assembly 10 includes a release bracket, and a spring pad is provided below the release bracket. The bushing passes through the release bracket and contacts with the spring pad. The spring pad is fixed with a nut, and movable shafts are provided on both sides of the spring pad. A spring is provided on the outer sleeve of the movable shaft through the lower end of the release bracket, a bearing connecting shaft b is provided on the inner side of the right end of the upper left connecting rod assembly 15, the bearing connecting shaft b is located on the right side of the block body a24, and a bearing is provided on the bearing connecting shaft b. A door electric shock plug bracket 4 is fixed by a pad column 7 on the upper left part of the back of the bottom plate assembly 1, a baffle is provided on the upper right side of the bottom plate assembly 1, a hole is provided on the baffle, a cross slot pan head screw is provided in the middle, a gasket is provided on the head of the cross slot pan head screw, a spring is provided under the gasket, the spring is sleeved on the cross slot pan head screw, and the lower end of the cross slot pan head screw is fixed on the inner wall card of the convex plate assembly 3, the convex plate assembly 3 is provided with a bearing on the right side, and a dead point block fixing shaft a is provided on the bearing, and the dead point block fixing shaft passes through the bottom plate assembly 1 to connect the fixed ball assembly 5, and a dead point block fixing shaft b is provided on the left side of the convex plate assembly 3, and the dead point block fixing shaft b passes through the limit hole b to connect the moving ball assembly 6, and a positioning wheel is provided in the dead point block fixing shaft b, and the positioning wheel is located in the limit hole b, and the moving ball assembly 6 and the fixed ball assembly 5 are respectively connected to the convex plate assembly 3 through the shaft retaining ring, and the emergency wire rope assembly 10 is fixed to the bottom plate assembly 1 by bolts, and the plug assembly 4 is fixed to the bottom plate assembly 1 by bolts through the column pad 7. ,

[0015] The left lower connecting rod assembly 13 and the right lower connecting rod assembly 8 have the same structure, are T-shaped, and have three round holes.

[0016] The left side of the locking hook assembly 19 is in an inverted T shape, the lower outer wall of the left side of the middle stopper a24 is recessed with a groove 25, and a stopper b26 is provided at the lower part. The locking hook assembly 19 has a cross bar on one side, and a barb is provided at the right end of the cross bar.

[0017] The right upper connecting rod assembly 16 is L-shaped, with three circular holes provided in three directions of the upper portion and a recessed groove on the left side of the lower portion.

[0018] The release bracket is U-shaped, and the outer wall is fixed on the bottom plate assembly 1. The release bracket includes an upper crossbeam and a lower crossbeam, and both the upper crossbeam and the lower crossbeam have three circular holes.

[0019] The base plate assembly 1 is F-shaped.

[0020] The rocker assembly 2 is provided with a bearing, a connecting shaft a is provided in the bearing, the outer side of the connecting shaft a passes through the bearing and is connected to the upper end of the left upper connecting rod assembly 15, the inner side of the connecting shaft a passes through the bearing and is connected to the upper end of the push plate assembly 17, the lower end of the left upper connecting rod assembly 15 is provided with a bearing, a connecting shaft b is provided on the bearing, one end of the connecting shaft b passes through the upper part of the left knife arm assembly 20 and is fixed by a shaft retaining ring and a nut, the other end of the connecting shaft b passes through the bearing and is fixed by a nut, a sleeve is provided on the inner side of the bearing, the connecting shaft c is from bottom to top, the push plate assembly 17, the connecting rod assembly 9 and the lower left connecting rod assembly 13, the push plate assembly 17, the connecting rod assembly 9 and the lower left connecting rod assembly 13 are provided with bearings, the push plate assembly 17 and the connecting rod assembly 9 is provided with a bearing top sleeve, a sleeve is provided between the connecting rod assembly 9 and the lower left connecting rod assembly 13, a bearing is provided at the right end of the connecting rod assembly 9, a bearing is provided at the upper end of the lower right connecting rod assembly 8, a connecting rod a passes through the bearing of the connecting rod assembly 9 and the bearing of the lower right connecting rod assembly 8 and is fixed by a nut, a sleeve is provided on the bearing of the connecting rod assembly 9, and a bearing top copper sleeve is provided below, a bearing is provided at the lower end of the lower right connecting rod assembly 8, a connecting shaft d is provided on the bearing, one end of the connecting shaft d passes through the lower part of the right knife arm assembly 12 and is fixed by a shaft retaining ring and a nut, a bearing is provided in the middle part of the upper right connecting rod assembly 16, a connecting shaft e passes through the bearing, and the connecting shaft e passes through the bearing top copper sleeve, the sleeve and the right knife arm assembly 12 are fixed by a nut.

[0021] When in use, the door knife device is an inner clamp type door knife. When the elevator runs to the leveling area of ​​the required floor, the elevator motor belt drives the swing rod assembly 2 to rotate, and the swing rod assembly 2 drives the upper left connecting rod assembly 15 and the upper right connecting rod assembly 16 to rotate respectively, thereby driving the lower left connecting rod assembly 13, the lower right connecting rod assembly 8, and the connecting rod assembly 9 to rotate together, and the left knife arm assembly 20 and the right knife arm assembly 12 are closed; the door knife arm clamps the door ball of the door lock installed on the elevator hanging plate, so that the lock hook of the door lock is lifted, and at the same time, the upper left connecting rod assembly 15 rotates to push the lock hook assembly 19 installed on the bottom plate assembly 1 to lift the lock hook, and the steel wire rope drives the hanging plate to finally open the elevator door. On the contrary, when the elevator door needs to be closed, the elevator motor reverses to drive the swing rod assembly 2 to move in the opposite direction, and the knife arm opens. Finally, the door lock hook on the elevator hanging plate and the lock hook assembly 19 on the door knife back plate fall down respectively, and the door is completely closed under the drive of the heavy hammer assembly, the current is connected and locked, and the elevator car moves up and down. The anti-pick-door device on the door knife device has a left anti-pick-door assembly 14 and a right anti-pick-door assembly 12. When someone pries the door to both sides outside the car, the left and right anti-pick-door assemblies on the door knife will move outward at the same time. The left anti-pick-door assembly 14 drives the upper left connecting rod assembly 15 to rotate and push the lock hook assembly 19 to lift the lock hook and close the left and right knife arm assemblies. However, at the same time, the right anti-pick-door assembly 12 will give a reaction force to prevent the lock hook assembly 19 from lifting and the left and right knife arms from closing, thereby preventing the door from being opened artificially outside the car. When a power outage or failure occurs during the operation of the elevator, and the door knife cannot work normally, the elevator maintenance and repair personnel will pull the wire rope on the emergency wire rope assembly 10, and the emergency wire rope assembly 10 will drive the wire steel pull plate assembly 18 to push the lock hook assembly 19 to lift the lock hook, and at the same time drive the connecting rod assembly 9 to rotate to close the left and right knife arms of the door knife, and finally play the role of opening the elevator door.

[0022] It should be understood that the above description is only a preferred embodiment of the present invention and is not sufficient to limit the technical solution of the present invention. For ordinary technicians in this field, within the spirit and principles of the present invention, additions, substitutions, changes or improvements can be made according to the above description, and all these additions, substitutions, changes or improved technical solutions should fall within the scope of protection of the claims attached to the present invention.

Claims

1. A door knife device with a door lock and an anti-pick-up door, comprising a base plate assembly (1), a swing arm assembly (2), a convex plate assembly (3), a plug assembly (4), a fixed ball assembly (5), a moving ball assembly (6), a cushion column (7), a right lower connecting rod assembly (8), a connecting rod assembly (9), an emergency wire rope assembly (10), a right anti-pick-up plate assembly (11), a right knife arm assembly (12), a left lower connecting rod assembly (13), a left anti-pick-up plate assembly (14), a left upper connecting rod assembly (15), a right upper connecting rod assembly (16), a push plate assembly (17), a wire rope pull plate assembly (18), a lock hook assembly (19) and a left knife arm assembly (20), characterized in that: A limiting hole a (21) is provided at the upper left side of the base plate assembly (1), a rocker fixing shaft a (22) is provided below the limiting hole a (21), one end of the rocker fixing shaft a (22) passes through the base plate assembly (1) and is fixed by a nut, the other end of the rocker fixing shaft a (22) passes through a bearing and is fixed by a nut, a rocker shaft sleeve a is provided on the outer sleeve of the bearing, the rocker shaft sleeve a is arranged outside the middle of the right side of the rocker arm assembly (2), a rocker limiting shaft is provided on the inner wall of the rocker arm assembly (2), a limiting wheel a is provided on the rocker limiting shaft, and the limiting wheel a is in the limiting hole a (21). The swing arm assembly (2) is trapezoidal, with a larger upper portion and a smaller lower portion. A belt pin (23) is provided on the inner wall of the upper portion of the swing arm assembly (2). The belt pin (23) is located in the notch on the left side of the top of the bottom plate assembly (1). The lower portion of the swing arm assembly (2) connects the upper left connecting rod assembly (15) and the push plate assembly (17) together through a connecting shaft a. The push plate assembly (17) is on the inner side and the upper left connecting rod assembly (15) is on the outer side. The lower end of the upper left connecting rod assembly (15) is connected to the left knife arm assembly (20). The lower end of the left knife arm assembly (20) is connected to the lower left connecting rod assembly ( The left anti-pickup plate assembly (14) is connected to the left end of the left lower connecting rod assembly (13) and the left end of the left upper connecting rod assembly (15) through shafts and retaining rings, respectively. The left end of the left lower connecting rod assembly (13) passes through the connecting rod assembly (9) and is connected to the push plate assembly (17) through the connecting shaft c. The middle of the left lower connecting rod assembly (13) is an elliptical hole. The limit shaft a on the left knife arm assembly (20) is stuck in the elliptical hole. The connecting rod assembly (9) is at an angle greater than 90°, and circular holes are provided in the middle and at both ends. The middle of the connecting rod assembly (9) A rocker fixing shaft b is provided, one end of the rocker fixing shaft b passes through the bottom plate assembly (1) and is fixed by a nut, the other end of the rocker fixing shaft b passes through the bearing and is fixed by a nut, the bearing outer sleeve is provided with a rocker shaft sleeve b, the rocker shaft sleeve b is externally arranged in the middle of the connecting rod assembly (9), the right end of the connecting rod assembly (9) is connected to the upper end of the right lower connecting rod assembly (8), the lower end of the right knife arm assembly (12) is connected to the lower end of the right lower connecting rod assembly (8), the middle of the right lower connecting rod assembly (8) is an elliptical hole, and the limit shaft b on the right knife arm assembly (12) is stuck in the elliptical hole.The lower end of the right anti-pick door assembly (11) is connected to the right end of the right lower connecting rod assembly (8), the upper end of the right anti-pick door assembly (11) is respectively connected to the right end of the right upper connecting rod assembly (16), the upper part of the right knife arm assembly (12) is connected to the middle part of the right upper connecting rod assembly (16), the middle part and the lower part of the left side of the right upper connecting rod assembly (16) are both provided with arc grooves, the inner side of the lower end of the right upper connecting rod assembly (16) is provided with a bearing connecting shaft a, and the bearing is provided on the bearing connecting shaft a, and the bearing is located on the left side of the lower block body b (26) of the lock hook assembly (19), the middle part of the lock hook assembly (19) is rotatably arranged on the bottom plate assembly (1) through the bearing, and the left side of the lock hook assembly (19) is provided with a groove ( 25), a block body a (24) is provided on the right side of the groove, and the right side of the block body a (24) is an arc-shaped slope. A wire rope pull plate assembly (18) is provided in the groove (25), and the wire rope pull plate assembly (18) has a vertically arranged clamp head, and the clamp head is clamped in the groove (25). A connecting plate is provided at the lower end of the wire rope pull plate assembly (18), and a wire rope is fixed on the connecting plate. A bushing is provided outside the wire rope, and the wire rope passes through an emergency wire rope assembly (10). The emergency wire rope assembly (10) includes a release bracket, and a spring pad is provided below the release bracket. The bushing passes through the release bracket and contacts the spring pad. A nut is fixed below the spring pad, and movable shafts are provided on both sides of the spring pad. The movable shaft passes through the lower end of the release bracket, and the movable shaft outer sleeve is provided with a spring. The inner side of the right end of the left upper connecting rod assembly (15) is provided with a bearing connecting shaft b, and the bearing connecting shaft b is located on the right side of the block body a (24). The bearing connecting shaft b is provided with a bearing. The upper left part of the back of the bottom plate assembly (1) is provided with a door electric shock plug bracket (4) fixed by a pad column (7). The upper right part of the bottom plate assembly (1) is provided with a baffle, and the baffle has a hole, and a cross slot pan head screw is provided in the middle. The head of the cross slot pan head screw has a gasket, and a spring is provided under the gasket. The spring is sleeved on the cross slot pan head screw, and the lower end of the cross slot pan head screw is fixed to the inner wall card of the convex plate assembly (3). The right side of the convex plate assembly (3) A bearing is provided, and a dead point stopper fixing shaft a is provided on the bearing, and the dead point stopper fixing shaft passes through the bottom plate assembly (1) and is connected to the fixed ball assembly (5). A dead point stopper fixing shaft b is provided on the left side of the convex plate assembly (3), and the dead point stopper fixing shaft b passes through the limit hole b and is connected to the moving ball assembly (6). A positioning wheel is provided in the dead point stopper fixing shaft b, and the positioning wheel is located in the limit hole b. The moving ball assembly (6) and the fixed ball assembly (5) are connected to the convex plate assembly (3) through shaft retaining rings, respectively. The emergency wire rope assembly (10) is fixed to the bottom plate assembly (1) by bolts, and the plug assembly (4) is fixed to the bottom plate assembly (1) by bolts through a column pad (7).

2. The anti-prying door knife device with door lock according to claim 1, characterized in that: The left lower connecting rod assembly (13) and the right lower connecting rod assembly (8) have the same structure, are T-shaped, and have three circular holes.

3. The anti-prying door knife device with door lock according to claim 1, characterized in that: The left side of the lock hook assembly (19) is in an inverted T shape, the lower outer wall of the left side of the middle stopper a (24) is recessed with a groove (25), and the lower part is provided with a stopper b (26), and the lock hook assembly (19) has a cross bar on one side, and a barb is provided at the right end of the cross bar.

4. The anti-prying door knife device with door lock according to claim 1, characterized in that: The right upper connecting rod assembly (16) is L-shaped, with three circular holes provided in three directions on the upper portion and a recessed groove on the left side of the lower portion.

5. The door knife device with door lock and anti-prying function according to claim 1, characterized in that: The release bracket is U-shaped, and the outer wall is fixed on the bottom plate assembly (1). The release bracket comprises an upper crossbeam and a lower crossbeam, and both the upper crossbeam and the lower crossbeam have three circular holes.

6. The anti-prying door knife device with door lock according to claim 1, characterized in that: The base plate assembly (1) is F-shaped.

7. The anti-prying door knife device with door lock according to claim 1, characterized in that: The swing arm assembly (2) is provided with a bearing, a connecting shaft a is provided in the bearing, the outer side of the connecting shaft a passes through the bearing and is connected to the upper end of the left upper connecting rod assembly (15), the inner side of the connecting shaft a passes through the bearing and is connected to the upper end of the push plate assembly (17), the lower end of the left upper connecting rod assembly (15) is provided with a bearing, a connecting shaft b is provided on the bearing, one end of the connecting shaft b passes through the upper part of the left knife arm assembly (20) and is fixed by a shaft retaining ring and a nut, the other end of the connecting shaft b passes through the bearing and is fixed by a nut, a sleeve is provided on the inner side of the bearing, the connecting shaft c is sequentially connected from bottom to top to the push plate assembly (17), the connecting rod assembly (9) and the lower left connecting rod assembly (13), the push plate assembly (17), the connecting rod assembly (9) and the lower left connecting rod assembly (13) are provided with bearings, the push plate assembly (17) and the connecting rod assembly (9), a bearing top sleeve is provided between the connecting rod assembly (9) and the left lower connecting rod assembly (13), a sleeve is provided between the connecting rod assembly (9) and the left lower connecting rod assembly (13), a bearing is provided at the right end of the connecting rod assembly (9), a bearing is provided at the upper end of the right lower connecting rod assembly (8), a connecting rod a passes through the bearing of the connecting rod assembly (9) and the bearing of the right lower connecting rod assembly (8) and is fixed by a nut, a sleeve is provided on the bearing of the connecting rod assembly (9), a bearing top copper sleeve is provided below, a bearing is provided at the lower end of the right lower connecting rod assembly (8), a connecting shaft d is provided on the bearing, one end of the connecting shaft d passes through the lower part of the right knife arm assembly (12) and is fixed by a shaft retaining ring and a nut, a bearing is provided in the middle part of the right upper connecting rod assembly (16), a connecting shaft e passes through the bearing, and the connecting shaft e passes through the bearing top copper sleeve, the sleeve and the right knife arm assembly (12) and is fixed by a nut.

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