CN212174194U - Synchronous car door lock and door knife device - Google Patents

Abstract

The utility model relates to a synchronous sedan-chair door lock door sword device, including door sword bottom plate, four-bar linkage, wire rope unblock subassembly, dead point mechanism and sedan-chair door hook lock subassembly, four-bar linkage and wire rope unblock subassembly set up in the one side of door sword bottom plate, and the dead point mechanism sets up at the another side of door sword bottom plate, and sedan-chair door hook lock subassembly articulates on door sword bottom plate. The four-bar linkage mechanism comprises a left knife arm, a right knife arm, an upper connecting rod and a lower connecting rod, the upper connecting rod and the lower connecting rod are respectively hinged with the bottom plate of the door knife, and the left knife arm and the right knife arm are respectively hinged with the upper connecting rod and the lower connecting rod. Sedan-chair door hook lock subassembly includes the thimble board and rotates the hook lock board of being connected with the thimble board, and dead point mechanism one side is provided with the drive plate, has seted up first hinge hole on the drive plate, and first hinge hole is concentric and common articulated with the last connecting rod and on the door sword bottom plate, the thimble board slides and sets up on the door sword bottom plate, and one side transmission of drive plate is connected with the unlocking plate that drives the hook lock board and remove.

Description

Synchronous car door lock and door knife device

Technical Field

The utility model belongs to the technical field of elevator door motor equipment technique and specifically relates to a synchronous sedan-chair door lock sword device is related to.

Background

At present, the opening and closing of an elevator car door are realized by a door opening blade arranged on the car door. Each landing door is provided with a door lock. After the landing door is closed, the mechanical latch hook of the door lock is engaged, meanwhile, the landing door and the car door are closed through the electrical interlocking contact, the elevator control loop is switched on, and the elevator can be started to run at the moment.

In the prior art, for example, chinese patent with publication number CN205675962U discloses an integrated car door lock and door knife device, which includes a door knife bottom plate, and a knife arm assembly, a linkage assembly and a lock hook assembly mounted on the door knife bottom plate, wherein the knife arm assembly is used for opening or clamping a gate ball, and the linkage assembly is used for cooperating with the knife arm assembly and the lock hook assembly to realize locking or unlocking.

The above prior art solutions have the following drawbacks: although foretell utility model can directly utilize layer door croquet can judge that the door machine is in the flat bed region of unblanking, need not to install other devices additional on the layer door device and judge the flat bed region. But the integral type sedan-chair lock door sword of unsteady knife arm structure, this structure often need construct a plurality of parallelogram mechanisms, and the structure is complicated, works when sedan-chair lock door sword at the during operation, and a plurality of mechanisms work simultaneously causes sedan-chair lock door sword device to break down very easily, and the reliability is poor. The common car door lock door knife has a split structure, and the structure usually needs to be additionally provided with a collision bow or an auxiliary door ball at the side of the hall door; the structure is complex and the cost is high.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide a simple structure, job stabilization's synchronous sedan-chair door lock sword device.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a synchronous car door lock door knife device comprises a door knife bottom plate, a four-bar linkage mechanism, a steel wire rope unlocking assembly, a dead point mechanism and a car door hook lock assembly, wherein the four-bar linkage mechanism and the steel wire rope unlocking assembly are arranged on one surface of the door knife bottom plate, the dead point mechanism is arranged on the other surface of the door knife bottom plate, and the car door hook lock assembly is hinged to the door knife bottom plate;

the four-bar linkage mechanism comprises a left knife arm, a right knife arm, an upper connecting rod and a lower connecting rod, the upper connecting rod and the lower connecting rod are respectively hinged with the door knife bottom plate, and the left knife arm and the right knife arm are respectively hinged with the upper connecting rod and the lower connecting rod;

the car door hook lock assembly comprises an insertion needle plate and a hook lock plate rotationally connected with one end of the insertion needle plate, a driving plate is arranged on one side of the dead point mechanism, a first hinge hole is formed in the driving plate, the first hinge hole and the upper connecting rod are concentric and are hinged to the door knife bottom plate together, the insertion needle plate is arranged on the door knife bottom plate in a sliding mode, and an unlocking plate for driving the hook lock plate to move is connected to one side of the driving plate in a transmission mode;

a first waist-shaped hole is formed in the upper connecting rod, one end of the unlocking plate is connected with a limiting bearing through a rivet, and the limiting bearing penetrates through the door knife bottom plate and then is inserted into a groove of the first waist-shaped hole and is tangent to the inner wall of the first waist-shaped hole;

the middle part of the needle inserting plate is provided with a long waist hole along the length direction, the door knife bottom plate is provided with a linkage bearing in a sliding mode, and the outer side wall of the linkage bearing is tangent to the inner wall of the long waist hole.

Through the technical scheme, when the car door lock knife device opens the door on a flat zone, the driving plate drives the four-bar mechanism to rotate in the reverse direction through the matching of the unlocking plate limiting bearing and the first waist-shaped hole, after the door knife arm clamps the hall door lock ball, the four-bar mechanism rotates clockwise, the upper connecting rod drives the unlocking plate to rotate independently of the driving plate, and then the unlocking plate drives the lock hook plate to unlock, so that the car door lock is opened. The limiting bearing and the first waist-shaped hole limit the rotating angle of the upper connecting rod, the stability of the device is improved, meanwhile, the limiting function is achieved, and linkage between the upper connecting rod and the unlocking plate is achieved. Linkage between the thimble board and the unlocking board has been realized on the one hand to the cooperation that slides of the inner wall of linkage bearing on the door sword bottom plate and long waist hole, and on the other hand has restricted the position of thimble board to a certain extent for the thimble board can be on the door sword bottom plate stable slip, is convenient for realize the locking of sedan-chair door and the unblock signal of telecommunication and confirms. The opening and locking of the car door lock door knife device can be realized by a four-bar linkage formed by the left knife arm, the right knife arm, the upper connecting rod, the lower connecting rod and the door knife bottom plate, the structure is simple, the operation is convenient, and the stability of the car door lock door knife device during working is improved. When the inserting needle plate slides and contracts in the bottom plate of the door knife, the lock hook plate is opened, so that the elevator car door can be conveniently opened; when the inserting needle plate slides and extends out of the bottom plate of the door vane, the lock hook plate is locked with the corresponding structure, and the elevator car door is convenient to close.

The present invention may be further configured in a preferred embodiment as: the car door hook lock assembly further comprises an unlocking bearing, a limiting rubber sleeve and a locking pressure spring, the unlocking bearing is arranged on one side of the hook lock plate, and a large circular arc at the bottom of the unlocking plate is tangent to the outer circular side wall of the unlocking bearing;

the limiting rubber sleeve is fixed between the needle inserting plate and the hook locking plate, the tail of the hook locking plate is detachably and fixedly connected with a locking rod, one end of the locking rod, far away from the hook locking plate, is connected with the door knife bottom plate in a sliding mode, and the locking pressure spring sleeve is arranged on the locking rod.

Through above-mentioned technical scheme, after the unblock board slided the cooperation with the unblock bearing, the unblock bearing took place to compress the shutting spring when pivoted, and hook lock board takes place anticlockwise rotation for the door sword bottom plate to realize opening of sedan-chair lock door sword device. The limiting rubber sleeve plays a role in limiting the rotation range of the car door hook lock and ensuring the locking of the car door lock door knife.

The present invention may be further configured in a preferred embodiment as: a second waist-shaped hole is formed in the driving plate, and the other end of the unlocking plate is riveted with a shaft and then penetrates through the second waist-shaped hole and is tangent to an arc on one side of the second waist-shaped hole;

the top of the unlocking plate is provided with a rotating shaft, a second hinge hole for the insertion of the rotating shaft is formed in the driving plate, and the unlocking plate is hinged with the driving plate through the matching of the rotating shaft and the second hinge hole.

Through above-mentioned technical scheme, the one end and the second waist shape hole of unlocking board slide the cooperation, are convenient for restrict the gyration angle of unlocking board. When the unlocking plate is positioned at two limit positions of the rotation limit, the upper connecting rod rotates clockwise when the left knife arm or the right knife arm is subjected to a leftward or rightward external force. Thereby driving the bearing on the unlocking plate to drive the unlocking plate to rotate around the second hinge hole of the driving plate, and further pressing the unlocking bearing in sequence to open the hook locking plate; the hook plate locking process is reversed.

The present invention may be further configured in a preferred embodiment as: the door knife base plate is fixedly provided with a limiting nail, the driving plate is provided with a third waist-shaped hole, and the limiting nail is inserted in the third waist-shaped hole.

Through the technical scheme, the driving plate can only rotate for a certain angle within a certain range due to the arrangement of the limit pins.

The present invention may be further configured in a preferred embodiment as: a plurality of reinforcing ribs are fixedly connected to the door vane bottom plate in an integrated forming mode.

Through above-mentioned technical scheme, the setting of strengthening rib has increased the structural strength of door sword bottom plate to a certain extent, makes it be difficult for taking place buckling deformation, has increased sedan-chair door lock door sword device's life.

The present invention may be further configured in a preferred embodiment as: the steel wire rope unlocking assembly comprises an unlocking arc plate, an unlocking rope and a reset torsion spring, the unlocking arc plate is of an 3/4 eccentric circle structure, and the rotation center of the unlocking arc plate is hinged to the door vane bottom plate;

one end of the reset torsion spring is fixedly connected with the unlocking arc plate, the other end of the reset torsion spring is fixed on the door knife bottom plate, and the unlocking rope is fixed at one end, far away from the reset torsion spring, of the unlocking arc plate.

Through above-mentioned technical scheme, when applying pulling force to the unlocking rope, the unblock arc board rotates to contradict with the lateral wall of latch hook board, drive it and accomplish the unblock, the torsional spring that resets this moment is stretched and is saved elasticity. After the pulling force is removed, the reset torsion spring naturally rebounds to provide power, and the unlocking arc plate is restored to the original position under the action of the reset torsion spring, so that the locking of the hook locking plate is realized.

The present invention may be further configured in a preferred embodiment as: the dead point mechanism comprises a fixed rotating rod, a movable rotating rod and an unlocking ball, one end of the fixed rotating rod is hinged to the bottom plate of the door knife, the other end of the fixed rotating rod is hinged to the movable rotating rod through the unlocking ball, and one end, far away from the unlocking ball, of the movable rotating rod is hinged to the driving plate;

the door knife bottom plate is provided with a forced knife retracting spring, and one end of the forced knife retracting spring is in transmission connection with one end, far away from the movable rotating rod, of the driving plate.

Through the technical scheme, after the motor is powered off, the driving plate rotates to the cutter retracting limiting position under the action of the forced cutter retracting spring, and at the moment, the fixed rotating rod and the movable rotating rod form a straight line; after the door is closed, the unlocking ball is pressed down, the fixed rotating rod and the movable rotating rod rotate relatively, and dead point unlocking is completed.

The present invention may be further configured in a preferred embodiment as: the one end fixedly connected with contact pin that the faller kept away from the hook lock board, be provided with two locking stitches on the contact pin.

Through above-mentioned technical scheme, insert the faller and establish and fix at the assigned position after, the contact pin can be fixed in the structure that metal material made, has further increased the stability that sedan-chair door lock sword device locked. Meanwhile, the locking pins are inserted in the designated holes, so that the accuracy of the locking of the needle inserting plate is ensured.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the sedan-chair lock door sword device opens the door in the flat zone, drive four-bar linkage mechanism rotation in the reverse time through the spacing bearing of unlocking board and the cooperation in first waist shape hole by the drive plate, after the tight room door lock ball of door sword arm clamp, four-bar linkage mechanism takes place clockwise rotation, is independent of the drive plate rotation by last connecting rod drive unlocking board, and then drives the unblock hook plate unblock by unlocking board again, accomplishes opening of sedan-chair lock. The limiting bearing and the first waist-shaped hole limit the rotating angle of the upper connecting rod, the stability of the device is improved, meanwhile, the limiting function is achieved, and linkage between the upper connecting rod and the unlocking plate is achieved. Linkage between the thimble board and the unlocking board has been realized on the one hand to the cooperation that slides of the inner wall of linkage bearing on the door sword bottom plate and long waist hole, and on the other hand has restricted the position of thimble board to a certain extent for the thimble board can be on the door sword bottom plate stable slip, is convenient for realize the locking of sedan-chair door and the unblock signal of telecommunication and confirms.

The opening and locking of the car door lock door knife device can be realized by a four-bar linkage formed by the left knife arm, the right knife arm, the upper connecting rod, the lower connecting rod and the door knife bottom plate, the structure is simple, the operation is convenient, and the stability of the car door lock door knife device during working is improved. When the inserting needle plate slides and contracts in the bottom plate of the door knife, the lock hook plate is opened, so that the elevator car door can be conveniently opened; when the inserting needle plate slides and extends out of the bottom plate of the door vane, the lock hook plate is locked with the corresponding structure, and the elevator car door is convenient to close.

2. The unlocking plate is connected with the upper connecting rod in a sleeved mode through the riveting limiting bearing, the limiting shaft is arranged in the first waist-shaped hole in the upper connecting rod in a sleeved mode, on one hand, the upper connecting rod is driven to drive the unlocking plate to rotate, meanwhile, the rotating angle between the upper connecting rod and the unlocking plate is limited to a certain degree, and the stability of the device is improved. One end of the unlocking plate is matched with the second waist-shaped hole in a sliding mode, so that the rotation angle of the unlocking plate is convenient to limit. When the unlocking plate is positioned at two limit positions of the rotation limit, the upper connecting rod rotates clockwise when the left knife arm or the right knife arm is subjected to a leftward or rightward external force. Thereby driving the bearing on the unlocking plate to drive the unlocking plate to rotate around the second hinge hole of the driving plate, and further pressing the unlocking bearing in sequence to open the hook locking plate; the hook plate locking process is reversed.

3. When a pulling force is applied to the unlocking rope, the unlocking arc plate rotates and is abutted against the side wall of the lock hook plate to drive the unlocking rope to complete unlocking, and at the moment, the reset torsion spring is stretched to accumulate elastic force. After the pulling force is removed, the reset torsion spring naturally rebounds to provide power, and the unlocking arc plate is restored to the original position under the action of the reset torsion spring, so that the locking of the hook locking plate is realized.

Drawings

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

Fig. 2 is a rear view of the present invention.

Figure 3 is the utility model discloses show sedan-chair door hook lock subassembly's schematic structure view.

Fig. 4 is a side view of fig. 3.

Reference numerals: 1. a door vane base plate; 11. a limit pin; 12. a forced retracting spring; 13. a linkage bearing; 14. reinforcing ribs; 2. a four-bar linkage; 21. a left knife arm; 22. a right knife arm; 23. an upper connecting rod; 231. a first waist-shaped hole; 24. a lower connecting rod; 3. a steel wire rope unlocking component; 31. unlocking the arc plate; 32. unlocking the rope; 33. a return torsion spring; 4. a dead-point mechanism; 41. fixing the rotating rod; 42. a movable rotating rod; 43. unlocking the ball; 5. a car door hook lock assembly; 51. a needle inserting plate; 511. a long waist hole; 512. inserting a pin; 513. locking pins; 52. a hook lock plate; 53. unlocking the bearing; 54. a limiting rubber sleeve; 55. locking the pressure spring; 6. a drive plate; 61. a second waist-shaped hole; 7. an unlocking plate; 71. a limit bearing; 72. a rotating shaft;

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a synchronous sedan-chair door lock door sword device, including door sword bottom plate 1, four-bar linkage 2, wire rope unblock subassembly 3, dead point mechanism 4 and sedan-chair door hook lock subassembly 5, four-bar linkage 2 and wire rope unblock subassembly 3 set up in the one side of door sword bottom plate 1, and dead point mechanism 4 sets up at the another side of door sword bottom plate 1, and sedan-chair door hook lock subassembly 5 articulates on door sword bottom plate 1.

The four-bar linkage 2 comprises a left knife arm 21, a right knife arm 22, an upper connecting rod 23 and a lower connecting rod 24, the upper connecting rod 23 and the lower connecting rod 24 are respectively hinged with the door knife bottom plate 1, and the left knife arm 21 and the right knife arm 22 are respectively hinged with the upper connecting rod 23 and the lower connecting rod 24. Sedan-chair door hook lock subassembly 5 includes thimble board 51 and with thimble board 51 one end integrated into one piece fixed connection's coupler lock board 52, and dead point mechanism 4 one side is provided with drive plate 6, has seted up first hinge hole on the drive plate 6, and first hinge hole and last connecting rod 23 are concentric and articulate jointly on door sword bottom plate 1, and thimble board 51 slides and sets up on door sword bottom plate 1, and one side transmission of drive plate 6 is connected with the unlocking board 7 that drives coupler lock board 52 and remove.

Further, referring to fig. 1, the wire rope unlocking assembly 3 includes an unlocking arc plate 31, an unlocking rope 32 and a reset torsion spring 33, the unlocking arc plate 31 is an 3/4 eccentric circle structure, and the rotation center of the unlocking arc plate 31 is hinged on the door vane bottom plate 1. One end of the reset torsion spring 33 is fixedly connected with the unlocking arc plate 31, the other end of the reset torsion spring is fixed on the door vane bottom plate 1, and the unlocking rope 32 is fixed at one end of the unlocking arc plate 31 far away from the reset torsion spring 33. When a pulling force is applied to the unlocking rope 32, the unlocking arc plate 31 rotates and is abutted against the side wall of the locking hook plate to drive the locking hook plate to complete unlocking, and at the moment, the reset torsion spring 33 is stretched to accumulate elastic force. After the pulling force is removed, the reset torsion spring 33 naturally rebounds to provide power, and the unlocking arc plate 31 is restored to the original position under the action of the reset torsion spring 33, so that the locking of the hook locking plate 52 is realized.

Referring to fig. 2, a first kidney-shaped hole 231 is formed in the upper connecting rod 23, one end of the unlocking plate 7 is connected with a limiting bearing 71 through a rivet, and the limiting bearing 71 penetrates through the door vane bottom plate 1 and then is inserted into a groove of the first kidney-shaped hole 231 and is tangent to the inner wall of the first kidney-shaped hole 231. The limit bearing 71 and the first waist-shaped hole 231 limit the rotation angle of the upper connecting rod 23, increase the stability of the device and simultaneously play a limiting function, and realize linkage between the upper connecting rod 23 and the unlocking plate 7.

Further, referring to fig. 2, the car door hook lock assembly 5 further includes an unlocking bearing 53, a limiting rubber sleeve 54 and a locking pressure spring 55, the unlocking bearing 53 is disposed on one side of the hook lock plate 52, and the bottom major arc of the unlocking plate 7 is tangent to the outer circular sidewall of the unlocking bearing 53. Referring to fig. 4, a limiting rubber sleeve 54 is fixed between the needle inserting plate 51 and the hook lock plate 52, a locking rod is detachably and fixedly connected to the tail of the hook lock plate 52, one end of the locking rod, which is far away from the hook lock plate 52, is slidably connected with the door knife base plate 1, and a locking pressure spring 55 is sleeved on the locking rod. After the unlocking plate 7 is in sliding fit with the unlocking bearing 53, the unlocking bearing 53 rotates and compresses the locking spring 55, and the hook locking plate 52 rotates anticlockwise relative to the door vane bottom plate 1, so that the opening of the car door lock door vane device is realized. The limiting rubber sleeve 54 is used for limiting the rotation range of the car door hook lock and ensuring the locking of the car door lock door knife.

Furthermore, a second waist-shaped hole 61 is formed in the driving plate 6, and the other end of the unlocking plate 7 is riveted with the shaft and then penetrates through the second waist-shaped hole 61, and is tangent to an arc on one side of the second waist-shaped hole 61. The top of the unlocking plate 7 is provided with a rotating shaft 72, the driving plate 6 is provided with a second hinge hole for inserting the rotating shaft 72, and the unlocking plate 7 is hinged with the driving plate 6 through the matching of the rotating shaft 72 and the second hinge hole. One end of the unlocking plate 7 is matched with the second kidney-shaped hole 61 in a sliding mode, so that the rotation angle of the unlocking plate 7 is limited conveniently. When the unlocking plate 7 is located at two extreme positions of the rotation limit, the upper connecting rod 23 will rotate clockwise when the left knife arm 21 or the right knife arm 22 receives an external force towards the left or the right. Thereby driving the bearing on the unlocking plate 7 to drive the unlocking plate 7 to rotate around the second hinge hole of the driving plate 6, and further pressing the unlocking bearing 53 in sequence to open the hook locking plate 52; the locking process of the hook plate 52 is reversed.

A limit nail 11 is fixed on the door knife bottom plate 1, a third waist-shaped hole is formed in the driving plate 6, and the limit nail 11 is inserted in the third waist-shaped hole. The arrangement of the limit pins 11 in the embodiment enables the drive plate 6 to rotate only a certain angle within a certain range, and the stability of the drive plate 6 during rotation is improved. Referring to fig. 2, the dead point mechanism 4 includes a fixed rotating rod 41, a movable rotating rod 42 and an unlocking ball 43, one end of the fixed rotating rod 41 is hinged on the door vane bottom plate 1, the other end is hinged with the movable rotating rod 42 through the unlocking ball 43, and one end of the movable rotating rod 42 far away from the unlocking ball 43 is hinged with the driving plate 6. A forced knife retracting spring 12 is arranged on the door knife bottom plate 1, and one end of the forced knife retracting spring 12 is in transmission connection with one end of the driving plate 6 far away from the movable rotating rod 42. When the motor is powered off, the driving plate 6 rotates to a cutter retracting limiting position under the action of the forced cutter retracting spring 12, and at the moment, the fixed rotating rod 41 and the movable rotating rod 42 form a straight line; after the door closing position, the unlocking ball 43 is pressed down, and the fixed rotating lever 41 and the movable rotating lever 42 are relatively rotated, thereby completing the dead-point unlocking.

Referring to fig. 2 and 3, a long waist hole 511 is formed in the middle of the needle inserting plate 51 along the length direction thereof, a linkage bearing 13 is slidably arranged on the door knife base plate 1, and the outer side wall of the linkage bearing 13 is tangent to the inner wall of the long waist hole 511. The linkage between the inserting needle plate 51 and the unlocking plate 7 is realized on the one hand by the sliding fit of the linkage bearing 13 on the door knife bottom plate 1 and the inner wall of the long waist hole 511, and on the other hand, the position of the inserting needle plate 51 is limited to a certain extent, and meanwhile, the inserting needle plate 51 can stably slide on the door knife bottom plate 1, so that the electric signal confirmation of the locking and unlocking of the car door is realized conveniently. Referring to fig. 3, a pin 512 is fixedly connected to an end of the pin plate 51 away from the hook lock plate 52, and two locking pins 513 are disposed on the pin 512. After the pin plate 51 is inserted and fixed at the designated position, the pins 512 can be fixed on a structure made of a metal material, and the locking stability of the car door lock knife device is further improved. Meanwhile, the locking pins 513 are inserted into the designated holes, so that the accuracy of locking the insertion needle plate 51 is ensured. Referring to fig. 2, a plurality of irregular reinforcing ribs 14 are fixedly connected to the door vane bottom plate 1 in an integrated manner, and the reinforcing ribs 14 increase the structural strength of the door vane bottom plate 1 to a certain extent, so that the door vane bottom plate is not easy to bend and deform, and the service life of the car door lock door vane device is prolonged.

The implementation principle of the embodiment is as follows: when the car door lock door knife device opens the door on a flat zone, the driving plate 6 drives the four-bar mechanism 2 to rotate counterclockwise through the matching of the limiting bearing 71 of the unlocking plate 7 and the first waist-shaped hole 231, after the door knife arm clamps the hall door lock ball, the four-bar mechanism 2 rotates clockwise, the upper connecting rod 23 drives the unlocking plate 7 to rotate independently of the driving plate 6, and then the unlocking plate 7 drives the lock hook plate to unlock, so that the car door lock is opened. The limit bearing 71 and the first waist-shaped hole 231 limit the rotation angle of the upper connecting rod 23, increase the stability of the device and simultaneously play a limiting function, and realize linkage between the upper connecting rod 23 and the unlocking plate 7. The linkage between the inserting needle plate 51 and the unlocking plate 7 is realized on the one hand by the sliding fit of the linkage bearing 13 on the door knife bottom plate 1 and the inner wall of the long waist hole 511, and on the other hand, the position of the inserting needle plate 51 is limited to a certain extent, so that the inserting needle plate 51 can stably slide on the door knife bottom plate 1, and the locking and unlocking of the car door can be conveniently realized.

The opening and locking of the car door lock door knife device can be realized by the four-bar linkage 2 formed by the left knife arm 21, the right knife arm 22, the upper connecting rod 23, the lower connecting rod 24 and the door knife bottom plate 1, the structure is simple, the operation is convenient, and the stability of the car door lock door knife device during working is improved. When the needle inserting plate 51 slides and contracts in the door knife bottom plate 1, the lock hook plate is opened, so that the elevator car door can be conveniently opened; when the inserting needle plate 51 slides and extends out of the bottom plate 1 of the door vane, the lock hook plate is locked with a corresponding structure, and the elevator car door is convenient to close.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a synchronous sedan-chair door lock sword device which characterized in that: the steel wire rope door knife comprises a door knife bottom plate (1), a four-bar mechanism (2), a steel wire rope unlocking assembly (3), a dead point mechanism (4) and a car door hook lock assembly (5), wherein the four-bar mechanism (2) and the steel wire rope unlocking assembly (3) are arranged on one surface of the door knife bottom plate (1), the dead point mechanism (4) is arranged on the other surface of the door knife bottom plate (1), and the car door hook lock assembly (5) is hinged to the door knife bottom plate (1);

the four-bar linkage mechanism (2) comprises a left knife arm (21), a right knife arm (22), an upper connecting rod (23) and a lower connecting rod (24), the upper connecting rod (23) and the lower connecting rod (24) are respectively hinged with the door knife bottom plate (1), and the left knife arm (21) and the right knife arm (22) are respectively hinged with the upper connecting rod (23) and the lower connecting rod (24);

the car door hook lock assembly (5) comprises an insertion needle plate (51) and a hook lock plate (52) rotatably connected with one end of the insertion needle plate (51), a driving plate (6) is arranged on one side of the dead point mechanism (4), a first hinge hole is formed in the driving plate (6), the first hinge hole and the upper connecting rod (23) are concentric and are hinged to the door knife bottom plate (1) together, the insertion needle plate (51) is arranged on the door knife bottom plate (1) in a sliding mode, and an unlocking plate (7) for driving the hook lock plate (52) to move is connected to one side of the driving plate (6) in a transmission mode;

a first waist-shaped hole (231) is formed in the upper connecting rod (23), one end of the unlocking plate (7) is connected with a limiting bearing (71) through a rivet, and the limiting bearing (71) penetrates through the door vane bottom plate (1), is inserted into a groove of the first waist-shaped hole (231), and is tangent to the inner wall of the first waist-shaped hole (231);

the middle part of the needle inserting plate (51) is provided with a long waist hole (511) along the length direction, the door knife bottom plate (1) is provided with a linkage bearing (13) in a sliding mode, and the outer side wall of the linkage bearing (13) is tangent to the inner wall of the long waist hole (511).

2. The synchronous car door lock blade device of claim 1, wherein: the car door hook lock assembly (5) further comprises an unlocking bearing (53), a limiting rubber sleeve (54) and a locking pressure spring (55), the unlocking bearing (53) is arranged on one side of the hook lock plate (52), and a large circular arc at the bottom of the unlocking plate (7) is tangent to the outer circular side wall of the unlocking bearing (53);

spacing gum cover (54) are fixed insert needle board (51) with between hook lock board (52), fixedly connected with locking lever can be dismantled to the afterbody of hook lock board (52), the locking lever keep away from hook lock board (52) one end with door sword bottom plate (1) sliding connection, shutting pressure spring (55) cover is established on the locking lever.

3. The synchronous car door lock blade device of claim 2, wherein: a second waist-shaped hole (61) is formed in the driving plate (6), and the other end of the unlocking plate (7) is riveted with a bearing, penetrates through the second waist-shaped hole (61), and is tangent to an arc on one side of the second waist-shaped hole (61);

the top of the unlocking plate (7) is provided with a rotating shaft (72), the driving plate (6) is provided with a second hinge hole for the insertion of the rotating shaft (72), and the unlocking plate (7) is hinged with the driving plate (6) through the matching of the rotating shaft (72) and the second hinge hole.

4. The synchronous car door lock blade device of claim 3, wherein: the door knife is characterized in that a limit nail (11) is fixed on the door knife bottom plate (1), a third waist-shaped hole is formed in the drive plate (6), and the limit nail (11) is inserted into the third waist-shaped hole.

5. The synchronous car door lock blade device of claim 4, wherein: the door vane bottom plate (1) is fixedly connected with a plurality of reinforcing ribs (14) in an integrated forming mode.

6. The synchronous car door lock blade device of claim 5, wherein: the steel wire rope unlocking assembly (3) comprises an unlocking arc plate (31), an unlocking rope (32) and a reset torsion spring (33), the unlocking arc plate (31) is of an 3/4 eccentric circle structure, and the rotation center of the unlocking arc plate (31) is hinged to the door vane bottom plate (1);

one end of the reset torsion spring (33) is fixedly connected with the unlocking arc plate (31), the other end of the reset torsion spring is fixed on the door knife bottom plate (1), and the unlocking rope (32) is fixed at one end, far away from the reset torsion spring (33), of the unlocking arc plate (31).

7. The synchronous car door lock blade device of claim 6, wherein: the dead point mechanism (4) comprises a fixed rotating rod (41), a movable rotating rod (42) and an unlocking ball (43), one end of the fixed rotating rod (41) is hinged to the bottom plate (1) of the door vane, the other end of the fixed rotating rod is hinged to the movable rotating rod (42) through the unlocking ball (43), and one end, far away from the unlocking ball (43), of the movable rotating rod (42) is hinged to the driving plate (6);

a forcible knife retracting spring (12) is arranged on the door knife bottom plate (1), and one end of the forcible knife retracting spring (12) is in transmission connection with one end, far away from the movable rotating rod (42), of the driving plate (6).

8. The synchronous car door lock blade device of claim 7, wherein: one end, far away from the hook locking plate (52), of the pin plate (51) is fixedly connected with a pin (512), and two locking pins (513) are arranged on the pin (512).

Images