CN212174195U - Integral type sedan-chair door lock sword structure - Google Patents
Integral type sedan-chair door lock sword structure Download PDFInfo
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- CN212174195U CN212174195U CN202020297766.1U CN202020297766U CN212174195U CN 212174195 U CN212174195 U CN 212174195U CN 202020297766 U CN202020297766 U CN 202020297766U CN 212174195 U CN212174195 U CN 212174195U
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Abstract
The utility model relates to an integral type sedan-chair door lock door sword structure, 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 is connected with sedan-chair door hook lock subassembly transmission, and one side of sedan-chair door hook lock subassembly articulates on the door sword bottom plate. The four-bar 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, the left knife arm and the right knife arm are respectively hinged with the upper connecting rod and the lower connecting rod, and door lock balls are respectively arranged on the surfaces, far away from each other, of the left knife arm and the right knife arm. The car door hook lock assembly comprises a transmission module and a hook lock module in transmission connection with the transmission module, and one side of the transmission module is in transmission connection with the upper connecting rod. The utility model discloses simple structure is convenient for operate, has increased the stability of sedan-chair door lock sword device during operation simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the production and the manufacturing technology of elevator and specifically relates to an integral type sedan-chair door lock sword structure is related to.
Background
At present in the city, the use of elevator has made things convenient for people to go upstairs and downstairs, has brought great facility for the life, and its security performance also receives more and more attention, so when production and manufacturing elevator, need stop all the incident that probably take place through the design to the elevator, and the door sword structure of elevator has guaranteed the elevator and has been in the safety of operation, is mainly used for unblanking a mechanical device who closes the lock, realizes through the motion of door plant.
In the prior art, as disclosed in chinese patent No. CN208648508U, an asynchronous car door lock and knife device for an elevator is disclosed, which includes a knife bottom plate, a left knife arm, a right knife arm, a car door lock hook, an unlocking plate, a knife lifting plate, and a knife lifting ball, wherein the left and right knife arms are movably connected to the knife bottom plate through corresponding connecting rods, the asynchronous car door lock and knife device further includes an auxiliary knife retracting and locking spring, the top of the left knife arm is connected to the smooth stepped knife lifting plate through the knife lifting ball, and can follow the knife lifting ball to move up or down in the step direction of the knife lifting plate, the left and right knife arms are linked with the auxiliary knife retracting and locking spring through corresponding connecting rods, and a door lock ball is disposed between the left knife arm and the right knife arm, thereby opening or locking the car door. When the door is normally opened, after the door machine receives a door opening signal, the door hanging plate drives the asynchronous door knife (the door knife is fixedly arranged on the door hanging plate) to move leftwards, at the moment, the knife lifting ball slides downwards along the smooth stepped slope of the knife lifting plate until the lowest point, and the left knife arm then performs descending action. In this state, the distance between the left knife arm and the right knife arm is 43mm, the standard size of the door lock ball is 46mm, and the distance between the left knife arm and the right knife arm is 43mm, so that under the action of the door lock ball, the right knife arm is forced to rotate anticlockwise, the car door lock hook is lifted up under the action of the bearing, the car door lock hook is in an open state, and meanwhile, the door lock ball is clamped.
The above prior art solutions have the following drawbacks: although the utility model discloses above-mentioned can take off the door under electrified or non-electrified circumstances and can rescue or save oneself, its lock gate ball sets up between left knife arm and right knife arm. When the door lock is in work, the left and right door knife arms are folded inwards to clamp the door lock balls, so that the door lock balls are inevitably clamped by the door knife arms. On the other hand, because the two door lock balls are arranged in the same gap, the two door lock balls are easy to collide to generate friction when being clamped, so that the car door lock hook cannot be stably opened or closed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, one of the purposes of the utility model is to provide a can overcome above-mentioned defect, can stably open integral type sedan-chair door lock door sword structure of sedan-chair door latch hook.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
an integrated car door lock and door knife structure 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 is in transmission connection with the car door hook lock assembly, and one side of 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, the left knife arm and the right knife arm are respectively hinged with the upper connecting rod and the lower connecting rod, and the surfaces, far away from each other, of the left knife arm and the right knife arm are respectively provided with a door lock ball;
the car door hook lock assembly comprises a transmission module and a hook lock module in transmission connection with the transmission module, and one side of the transmission module is in transmission connection with the upper connecting rod;
the hook lock module comprises a hook lock plate, an unlocking bearing and an elastic part, a first waist-shaped hole is formed in the door knife bottom plate, one end of the hook lock plate is riveted to the rear portion of the unlocking bearing, the unlocking bearing is inserted into the first waist-shaped hole, the outer side wall of the unlocking bearing is tangent to the inner wall of the first waist-shaped hole, the center of rotation of the hook lock plate is hinged to the door knife bottom plate, and the elastic part is arranged between the hook lock plate and the door knife bottom plate.
Through the technical scheme, when the car door lock knife device opens the door in a flat zone, the driving rod drives the four-bar mechanism to rotate anticlockwise, so that the left knife arm and the right knife arm are outwards unfolded to open the hall door lock ball, meanwhile, the hall door lock ball is reversely applied to inward thrust of the knife arm, the four-bar mechanism rotates clockwise, the upper connecting rod drives the transmission module, the transmission module drives the unlocking bearing to open the hook lock plate, and then the car door hook lock is opened. Similarly, when the door is opened in a non-flat area, because no hall door lock ball applies force to the door knife arm reversely, the four-bar mechanism cannot rotate clockwise, and the car door hook lock cannot be opened. For the inside clamping door lock ball that draws in of ordinary door sword arm, this practical door sword arm outwards props and opens door lock ball for can not bump between two door lock balls, increased the stability of sedan-chair door hook lock when opening and closing. 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.
The present invention may be further configured in a preferred embodiment as: the transmission module comprises a driving plate and an unlocking plate in transmission connection with the driving plate, and one end of the driving plate is in transmission connection with the dead point mechanism;
the upper connecting rod is provided with a second waist-shaped hole, 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 the second waist-shaped hole and is tangent to the inner wall of the second waist-shaped hole.
Through the technical scheme, when the power from the upper connecting rod is transmitted to the unlocking plate, the driving plate is in transmission connection with the unlocking plate, so that the unlocking plate can synchronously open or close the lock hook plate. The limiting bearing and the second waist-shaped hole limit the rotating angle of the upper connecting rod, the stability of the device is improved, the limiting function is achieved, and linkage between the upper connecting rod and the driving plate is achieved.
The present invention may be further configured in a preferred embodiment as: the elastic part comprises a connecting pipe, a limiting rod and a locking spring sleeved on the periphery of the limiting rod, a lug matched with the limiting rod in a sliding manner is fixedly connected to the door knife bottom plate in an integrated forming mode, and one end of the limiting rod penetrates through the lug to be fixedly connected with the connecting pipe;
one end, far away from the limiting rod, of the connecting pipe is hinged to the hook locking plate, one end of the locking spring is fixedly connected with the connecting pipe, and the other end of the locking spring is fixedly connected with the outer side wall of the lug.
Through the technical scheme, when the elevator car door is closed, the four-bar mechanism rotates clockwise after the dead point mechanism is unlocked and then drives the unlocking plate to rotate by a certain angle, the unlocking plate cannot rotate independently of the drive plate under the action of the gravity of the four-bar mechanism and the locking spring of the elastic part, and then cannot press the unlocking bearing downwards, the hook locking plate is meshed with the corresponding lock catch, and therefore the car door cannot be opened by external force easily. Similarly, when someone takes off the door in the car or outside the hall in the flat zone, the hall door lock ball can provide inward thrust for the door knife arm, so that the four-bar mechanism rotates clockwise, the upper connecting rod drives the unlocking plate, and the unlocking plate drives the unlocking bearing to open the hook lock plate, thereby realizing the unlocking of the car door hook lock. In the non-flat zone, no hall door lock ball is arranged, so that no external force is applied to the door knife arm, and the car door hook lock cannot be opened, so that the personnel safety can be ensured.
The present invention may be further configured in a preferred embodiment as: the bottom great arc of the unlocking plate is tangent to the outer circular side wall of the unlocking bearing;
a first rotation center is arranged between the driving plate and the door knife bottom plate, and a second rotation center is arranged between the top of the unlocking plate and the driving plate.
Through the technical scheme, the unlocking bearing is extruded through the outer cambered surface of the unlocking plate, so that the hook locking plate moves in the first waist-shaped hole under the action of the unlocking plate, and the opening and closing of the elevator car door are realized. The top of the unlocking plate is provided with a rotating shaft, the driving plate is provided with a hinge hole for the rotating shaft to be inserted, the unlocking plate is hinged with the driving plate through the matching of the rotating shaft and the second hinge hole, and the driving plate is hinged on the door knife bottom plate in the same way. Through setting up first centre of gyration and second centre of gyration, the linkage between unlocking board and the drive plate of being convenient for has increased the stability of device during operation.
The present invention may be further configured in a preferred embodiment as: the door knife is characterized in that a limiting nail is fixed on the door knife bottom plate, a third waist-shaped hole is formed in the driving plate, and the limiting nail is inserted in the third waist-shaped hole and is tangent to the inner wall of the third waist-shaped hole.
Through above-mentioned technical scheme, the setting up of banking pin makes the drive plate only can be at certain angle of certain within range internal rotation, has increased the stability when drive plate rotates.
The present invention may be further configured in a preferred embodiment as: dead point mechanism includes fixed dwang, activity dwang and unblock ball, the one end of fixed dwang articulates on the door sword bottom plate, the other end passes through unblock ball with the articulated connection of activity dwang, the activity dwang is kept away from the one end of unblock ball with the articulated connection of drive plate.
Through above-mentioned technical scheme, after the motor loses the electricity, the drive plate revolves to the spacing position of opening the sword under the effect of forcing receipts sword spring, and at this moment, fixed dwang and activity dwang become 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 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, the car door locking cutter has a constant cutter opening retaining force by means of the pre-tightening force action of the forced cutter retracting spring, the door cutter is ensured to have reliable holding force on a door locking ball when the door is opened or closed, and the condition that the door is opened or closed for the second time due to power failure is ensured.
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.
To sum up, the utility model discloses a following at least one useful technological effect:
1. when the car door lock and door knife device opens the door on a flat zone, the driving rod drives the four-bar mechanism to rotate anticlockwise, so that the left knife arm and the right knife arm are outwards unfolded to open a hall door lock ball, meanwhile, the hall door lock ball is reversely applied to inward thrust of the door knife arm, the four-bar mechanism rotates clockwise, the upper connecting rod drives the transmission module, the transmission module drives the unlocking bearing to open the hook lock plate, and therefore the car door hook lock is opened. Similarly, when the door is opened in a non-flat area, because no hall door lock ball applies force to the door knife arm reversely, the four-bar mechanism cannot rotate clockwise, and the car door hook lock cannot be opened.
For the inside clamping door lock ball that draws in of ordinary door sword arm, this practical door sword arm outwards props and opens door lock ball for can not bump between two door lock balls, increased the stability of sedan-chair door hook lock when opening and closing. 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.
2. When the power from the upper connecting rod is transmitted to the unlocking plate, the driving plate is in transmission connection with the unlocking plate, so that the unlocking plate can synchronously open or close the lock hook plate. The limiting bearing and the second waist-shaped hole limit the rotating angle of the upper connecting rod, the stability of the device is improved, the limiting function is achieved, and linkage between the upper connecting rod and the driving plate is achieved.
3. When the elevator car door is closed, the four-bar mechanism rotates clockwise after the dead point mechanism is unlocked to drive the unlocking plate to rotate by a certain angle, the unlocking plate cannot rotate independently of the driving plate under the action of the gravity of the four-bar mechanism and the locking spring of the elastic part, the unlocking bearing cannot be pressed downwards, the hook locking plate is meshed with the corresponding lock catch, and therefore the car door cannot be opened by external force easily. Similarly, when someone takes off the door in the car or outside the hall in the flat zone, the hall door lock ball can provide inward thrust for the door knife arm, so that the four-bar mechanism rotates clockwise, the upper connecting rod drives the unlocking plate, and the unlocking plate drives the unlocking bearing to open the hook lock plate, thereby realizing the unlocking of the car door hook lock. In the non-flat zone, no hall door lock ball is arranged, so that no external force is applied to the door knife arm, and the car door hook lock cannot be opened, so that the personnel safety can be ensured.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a rear view of the present invention.
Reference numerals: 1. a door vane base plate; 11. a first waist-shaped hole; 12. a lug; 13. a limit pin; 14. a forced retracting spring; 2. a four-bar linkage; 21. a left knife arm; 22. a right knife arm; 23. an upper connecting rod; 231. a second 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 transmission module; 511. a drive plate; 5111. a third waist-shaped hole; 512. an unlocking plate; 513. a limit bearing; 52. a hook lock module; 521. a hook lock plate; 522. unlocking the bearing; 523. an elastic portion; 524. a connecting pipe; 525. a limiting rod; 526. a locking spring; 6. a door lock ball; 7. a first center of rotation; 8. a second center of rotation;
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 an integral type sedan-chair door lock door sword structure, 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 door sword bottom plate 1's one side, dead point mechanism 4 sets up at door sword bottom plate 1's another side and is connected with sedan-chair door hook lock subassembly 5 transmission, and one side of 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, 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, and the surfaces, far away from each other, of the left knife arm 21 and the right knife arm 22 are respectively provided with a door lock ball 6 in a sliding mode.
Referring to fig. 2, the car door latch assembly 5 includes a transmission module 51 and a latch module 52 in transmission connection with the transmission module 51, and one side of the transmission module 51 is in transmission connection with the upper link 23. The hook lock module 52 comprises a hook lock plate 521, an unlocking bearing 522 and an elastic part 523, a first waist-shaped hole 11 is formed in the door knife bottom plate 1, one end of the hook lock plate 521 is riveted to the unlocking bearing 522 and then inserted into the first waist-shaped hole 11, the outer side wall of the unlocking bearing 522 is tangent to the inner wall of the first waist-shaped hole 11, the rotation center of the hook lock plate 521 is hinged to the door knife bottom plate 1, and the elastic part 523 is arranged between the hook lock plate 521 and the door knife bottom plate 1.
Referring to fig. 1, the elastic portion 523 includes a connecting tube 524, a limiting rod 525 and a locking spring 526 sleeved around the limiting rod 525, a lug 12 slidably engaged with the limiting rod 525 is integrally and fixedly connected to the door vane base plate 1, and one end of the limiting rod 525 penetrates through the lug 12 and is fixedly connected to the connecting tube 524. One end of the connecting tube 524, which is far away from the limiting rod 525, is hinged to the hook lock plate 521, one end of the locking spring 526 is fixedly connected to the connecting tube 524, and the other end is fixedly connected to the outer side wall of the lug 12.
When the elevator car door is closed, the four-bar mechanism 2 rotates clockwise after the dead point mechanism 4 is unlocked to drive the unlocking plate 512 to rotate by a certain angle, under the action of the gravity of the four-bar mechanism 2 and the locking spring 526 of the elastic part 523, the unlocking plate 512 cannot rotate independently of the driving plate 511, the unlocking bearing 522 cannot be pressed downwards, the hook locking plate 521 is meshed with the corresponding lock catch, and thus the car door cannot be opened by external force easily. Similarly, when someone takes the door in the car or outside the hall in the flat zone, the hall door lock ball 6 pushes the door knife arm inwards to rotate the four-bar mechanism 2 clockwise, the upper link 23 drives the unlocking plate 512, and the unlocking plate 512 drives the unlocking bearing 522 to open the hook lock plate 521, so that the car door hook lock is unlocked. In the non-flat zone, no hall door lock ball 6 is arranged, so that no external force is applied to the door knife arm, and the car door hook lock cannot be opened, so that the personnel safety can be ensured.
Further, referring to fig. 2, the transmission module 51 includes a driving plate 511 and an unlocking plate 512 in transmission connection with the driving plate 511, wherein one end of the driving plate 511 is in transmission connection with the dead point mechanism 4. The upper connecting rod 23 is provided with a second waist-shaped hole 231, one end of the unlocking plate 512 is connected with a limiting bearing 513 through a rivet, and the limiting bearing 513 penetrates through the door vane bottom plate 1 and then is inserted into the second waist-shaped hole 231 and is tangent to the inner wall of the second waist-shaped hole 231. When power from the upper link 23 is transmitted to the unlocking plate 512, the driving plate 511 is drivingly connected to the unlocking plate 512 so that the unlocking plate 512 can synchronously open or close the latch plate. The limit bearing 513 and the second waist-shaped hole 231 limit the rotation angle of the upper link 23, increase the stability of the device and simultaneously play a limiting function, and realize linkage between the upper link 23 and the drive plate 511.
Referring to fig. 2, the bottom major arc of the unlocking plate 512 is tangent to the outer circular side wall of the unlocking bearing 522, and the unlocking bearing 522 is extruded by the outer arc surface of the unlocking plate 512, so that the hook locking plate 521 moves in the first kidney-shaped hole 11 under the action of the unlocking plate 512, and the opening and closing of the elevator car door are realized. A first rotation center 7 is arranged between the driving plate 511 and the door knife bottom plate 1, and a second rotation center 8 is arranged between the top of the unlocking plate 512 and the driving plate 511. The top of the unlocking plate 512 is provided with a rotating shaft, and the driving plate 511 is provided with a hinge hole for inserting the rotating shaft. The unlocking plate 512 is hinged with the driving plate 511 by the cooperation of the pivot shaft and the second hinge hole, and the driving plate 511 is hinged with the door vane base plate 1 in the same way. Through setting up first centre of gyration 7 and second centre of gyration 8, be convenient for the linkage between unlocking board 512 and the drive plate 511, increased the stability of device during operation.
Further, 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 to the door vane bottom plate 1, the other end is hinged to the movable rotating rod 42 through the unlocking ball 43, and one end of the movable rotating rod 42, which is far away from the unlocking ball 43, is hinged to the driving plate 511. When the motor is powered off, the driving plate 511 rotates to the knife-opening limiting position under the action of the forced knife-retracting spring 14, and at the moment, the fixed rotating rod 41 and the movable rotating rod 42 form a straight line. After the door is closed, the unlocking ball 43 is pressed down, and the fixed rotating lever 41 and the movable rotating lever 42 rotate relatively to each other, thereby completing the dead-point unlocking.
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 521 is realized.
Referring to fig. 2, a knife forcing-in spring 14 is disposed on the door knife base plate 1, and one end of the knife forcing-in spring 14 is in transmission connection with one end of the driving plate 511 away from the movable rotating rod 42. By means of the pre-tightening force of the forced knife retracting spring 14, the car door locking cutter has a constant knife opening retaining force, the door knife is ensured to have reliable holding force on the door locking ball 6 when the door is opened and closed, the power loss of the knife opening is ensured, and the secondary door closing is avoided. A limit nail 13 is fixed on the bottom plate 1 of the door vane, a third waist-shaped hole 5111 is formed in the driving plate 511, and the limit nail 13 is inserted in the third waist-shaped hole 5111 and is tangent to the inner wall of the third waist-shaped hole 5111. The arrangement of the limit nails 13 enables the driving plate 511 to rotate only by a certain angle within a certain range, and the stability of the driving plate 511 during rotation is improved.
The implementation principle of the embodiment is as follows: when sedan-chair lock door sword device opened the door in the flat zone, drive four-bar linkage 2 anticlockwise rotation by the actuating lever for left tool arm 21 and right tool arm 22 outwards strut and open hall door lock ball 6, and simultaneously, hall door lock ball 6 is reverse to be exerted and is given the inside thrust of door tool arm, and four-bar linkage 2 takes place clockwise rotation, drives transmission module 51 by last connecting rod 23 and drives unblock bearing 522 again and open hook lock board 521, thereby realizes opening of sedan-chair door hook lock. Similarly, when the door is opened in a non-flat area, because no force is applied to the door knife arm by the hall door lock ball 6 in the opposite direction, the four-bar mechanism 2 cannot rotate clockwise, and the car door hook lock cannot be opened.
For the inside tight door lock ball 6 that draws in of ordinary door sword arm, this practical door sword arm outwards struts and opens door lock ball 6 for can not collide between two door lock balls 6, increased the stability of sedan-chair door hook lock when opening and closing. 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.
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 an integral type sedan-chair door lock sword structure 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 is in transmission connection with the car door hook lock assembly (5), and one side of the car door hook lock assembly (5) is hinged to the door knife bottom plate (1);
the four-bar 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), 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), and the surfaces, far away from each other, of the left knife arm (21) and the right knife arm (22) are respectively provided with a door lock ball (6);
the car door hook lock assembly (5) comprises a transmission module (51) and a hook lock module (52) in transmission connection with the transmission module (51), and one side of the transmission module (51) is in transmission connection with the upper connecting rod (23);
hook lock module (52) are including hook lock board (521), unblock bearing (522) and elasticity portion (523), first waist shape hole (11) have been seted up on door sword bottom plate (1), the one end riveting of hook lock board (521) is inserted behind unblock bearing (522) and is established in first waist shape hole (11), the lateral wall of unblock bearing (522) with first waist shape hole (11) inner wall is tangent, the centre of rotation of hook lock board (521) articulates on door sword bottom plate (1), elasticity portion (523) set up hook lock board (521) with between door sword bottom plate (1).
2. The integrated car door lock blade structure of claim 1, wherein: the transmission module (51) comprises a driving plate (511) and an unlocking plate (512) in transmission connection with the driving plate (511), and one end of the driving plate (511) is in transmission connection with the dead point mechanism (4);
the upper connecting rod (23) is provided with a second waist-shaped hole (231), one end of the unlocking plate (512) is connected with a limiting bearing (513) through a rivet, and the limiting bearing (513) penetrates through the door knife bottom plate (1) and then is inserted into the second waist-shaped hole (231) and is tangent to the inner wall of the second waist-shaped hole (231).
3. The integrated car door lock blade structure of claim 1, wherein: the elastic part (523) comprises a connecting pipe (524), a limiting rod (525) and a locking spring (526) sleeved on the periphery of the limiting rod (525), a lug (12) matched with the limiting rod (525) in a sliding manner is fixedly connected to the door vane bottom plate (1) in an integrated forming manner, and one end of the limiting rod (525) penetrates through the lug (12) to be fixedly connected with the connecting pipe (524);
one end, far away from the limiting rod (525), of the connecting pipe (524) is hinged to the hook locking plate (521), one end of the locking spring (526) is fixedly connected with the connecting pipe (524), and the other end of the locking spring is fixedly connected with the outer side wall of the lug (12).
4. The integrated car door lock blade structure of claim 2, wherein: the bottom orthodrome of the unlocking plate (512) is tangent to the excircle side wall of the unlocking bearing (522);
a first rotation center (7) is arranged between the driving plate (511) and the door vane bottom plate (1), and a second rotation center (8) is arranged between the top of the unlocking plate (512) and the driving plate (511).
5. The integrated car door lock blade structure of claim 4, wherein: be fixed with spacing nail (13) on door sword bottom plate (1), third waist shape hole (5111) have been seted up on drive plate (511), spacing nail (13) are inserted and are established in third waist shape hole (5111) and with the inner wall in third waist shape hole (5111) is tangent.
6. The integrated car door lock blade structure of claim 5, wherein: dead point mechanism (4) are including fixed dwang (41), activity dwang (42) and unblock ball (43), the one end of fixed dwang (41) articulates on door sword bottom plate (1), the other end passes through unblock ball (43) with activity dwang (42) are articulated to be connected, activity dwang (42) are kept away from the one end of unblock ball (43) with drive plate (511) are articulated to be connected.
7. The integrated car door lock blade structure of claim 6, wherein: a forced knife retracting spring (14) is arranged on the door knife bottom plate (1), and one end of the forced knife retracting spring (14) is in transmission connection with one end, far away from the movable rotating rod (42), of the driving plate (511).
8. The integrated car door lock blade structure of claim 7, 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).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297766.1U CN212174195U (en) | 2020-03-11 | 2020-03-11 | Integral type sedan-chair door lock sword structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020297766.1U CN212174195U (en) | 2020-03-11 | 2020-03-11 | Integral type sedan-chair door lock sword structure |
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| CN212174195U true CN212174195U (en) | 2020-12-18 |
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| CN202020297766.1U Active CN212174195U (en) | 2020-03-11 | 2020-03-11 | Integral type sedan-chair door lock sword structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560374A (en) * | 2022-03-15 | 2022-05-31 | 南通中尧特雷卡电梯产品有限公司 | Elevator door vane system with limiting device |
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2020
- 2020-03-11 CN CN202020297766.1U patent/CN212174195U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114560374A (en) * | 2022-03-15 | 2022-05-31 | 南通中尧特雷卡电梯产品有限公司 | Elevator door vane system with limiting device |
| CN114560374B (en) * | 2022-03-15 | 2023-08-29 | 南通中尧特雷卡电梯产品有限公司 | Elevator door vane system with limiting device |
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