WO2017031829A1

WO2017031829A1 - Elevator door vane

Info

Publication number: WO2017031829A1
Application number: PCT/CN2015/093270
Authority: WO
Inventors: 曹中; 崔恒东
Original assignee: 南通中尧特雷卡电梯产品有限公司
Priority date: 2015-08-21
Filing date: 2015-10-29
Publication date: 2017-03-02
Also published as: CN105151965A; CN105151965B

Abstract

An elevator door vane comprises a bottom plate (1), a left vane arm (2), a right vane arm (3), an upper connecting rod (4), a lower connecting rod (5), a lock hook assembly (12), a positioning plate (13), and a swing arm (14). The two ends of the upper connecting rod (4) and the lower connecting rod (5) are movably connected to the left vane arm (2) and the right vane arm (3) respectively. The lock hook assembly (12) comprises a lock hook (121), a contact (122), and an unlocking connecting part (123), and the lock hook (121), the positioning plate (13), and the swing arm (14) are fixed by using a rivet and are movably connected to the bottom plate (1) by using a third connecting shaft (63). A spring component (23) parallel to the left vane arm (2) is disposed at a position that is on the bottom plate (1) and below the lock hook (121). According to the elevator door vane, synchronization between unlocking of the lock hook and disconnection of the switch contact on the swing arm can be implemented, and smoothness and safety of door opening and closing are improved during elevator floor leveling.

Description

Elevator door knife

Technical field

The invention relates to the field of machinery, and in particular to an elevator door knife.

Background technique

With the rapid development of technology and the increase of building floors, elevators are used more and more frequently in daily life. As a means of transportation up and down the building, it is closely related to the safety of people taking elevators. The requirements are getting stricter. As an important part of controlling elevator door switch, elevator door knife plays an important role in the daily work of the elevator.

Commonly used doorknobs include two types: synchronous door cutters and asynchronous door cutters. Synchronous door cutters use the door cutters to realize the action of the clamping door to link the door balls first, and then the car door and the landing door are linked together; the asynchronous door cutter is Simultaneously moving with the car door, before the car door and the landing door are linked, the car door generally has to travel a certain distance.

Asynchronous door cutters Because the car door generally has to travel a certain distance before the car door and the landing door are linked, there are two ways to design the car door lock. One way is to install the rotating hook of the car door lock on the hanging component of the car door, move with the car door moving, the fixing hook is mounted on the door beam, and the unlocking device of the car door lock is installed on the hanging component of the landing door Upper, the unlocking device moves as the landing door moves. Another way is to install the car door lock rotating hook on the door beam to move without moving with the car door. The fixing hook is mounted on the hanging part of the car door, and the fixed hook moves with the movement of the car door, and the floor door is slid An unlocking device is mounted on the frame, and the unlocking device does not move as the landing door moves.

The existing asynchronous door cutter generally has the lock hook unlocked and the switch contact disconnected asynchronously, so that the car door has a certain time delay in the opening and closing process, which affects the use effect of the elevator.

For example, the Chinese patent publication CN202321898U discloses an elevator door knife, which comprises a door knife bottom plate and a switch plug, the switch plug is mounted on the mounting plate, a clamping block is arranged under the mounting plate, and a door knife device is arranged on the door knife bottom plate. And the door lock device, the door cutter device comprises two cutter arms and a plastic connecting member for connecting between the cutter arms, and the door cutter and the door lock are integrally provided, which is convenient and practical, and economical and safer. However, the switch plug of the patent is separately arranged from the lock hook, and the movement thereof is discontinuous, and the use effect of opening and closing the door of the elevator is not allowed.

Another example is the Chinese patent publication CN104773638A, which discloses an asynchronous door knife with an automobile door lock, an elevator door machine and a car door system. When the second unlocking blade device is driven by the driving direction of the door opening, the second unlocking blade device drives The swing arm rotates, the rotation of the swing arm arm drives the guiding mechanism to swing, the swing of the guiding mechanism drives the first unlocking blade to swing, and the first unlocking blade swings to drive the rotating hook of the rotating hook assembly to The unlocking direction is rotated, so that the rotating hook of the rotating hook assembly is unhooked from the fixing hook, and the locking hook is rotated to unlock. At the same time, the rotation of the rotating hook drives the door switch trigger to rotate, so that the electrical contact of the plate-type driving door switch is disconnected. The invention has the function of opening the car door lock and having the door opening and closing switch, and opens when leveling. The landing door also unlocks the car door lock at the same time. However, this patent adopts the combination of the switch trigger and the lock hook, and the rotation radius of the switch trigger and the lock hook are greatly different, and the simultaneous opening and closing of the switch trigger and the unlocking of the lock hook cannot be realized.

Summary of the invention

In order to overcome the delays in the elevator doorknife switch trigger and the lock hook operation existing in the prior art, and affecting the use effect of the elevator, the present invention provides an elevator door knife including a bottom plate, a left arm, a right arm, and an upper a connecting rod and a lower connecting rod, wherein the upper connecting rod and the lower connecting rod are respectively movably connected to the left and right arms, and further comprising a locking hook assembly, a positioning plate and a swing arm, The lock hook assembly includes a lock hook, a contact and an unlocking joint, the lock hook, the positioning plate and the swing arm are fixed by riveting, and are movably connected to the bottom plate through a third connecting shaft; the bottom plate is located below the lock hook a spring assembly is disposed in parallel with the left arm, and the two ends of the spring assembly are movably connected to the bottom plate through a tenth connecting shaft and an eleventh connecting shaft, respectively, and the eleventh connection is on the bottom plate An elliptical connecting hole is provided at the shaft connection.

Preferably, the lock hook is perpendicular to the swing arm, and the swing arm is provided with a switch contact, and the movable end of the positioning plate is curved and located between the lock hook and the swing arm. The center of the arc is located at a position where the positioning plate is connected to the bottom plate, and the bottom plate and the positioning plate are provided with positioning holes, and when the positioning plate rotates along the connection with the bottom plate, the movable end thereof is just at The positioning hole moves.

Preferably, the back of the bottom plate is further provided with a push rod, and one end of the push rod is connected to the first connecting shaft, and a circular boss with a positioning hole is disposed at a position corresponding to the positioning hole. The push rod movable end is provided with a roller.

Preferably, a small moving rod and a small spring are disposed between the contact and the left arm, the small spring is sleeved on the small moving rod, one end of the small moving rod is connected to the contact, and the other end is connected The left blade arm; a wire rope is connected to the unlocking connection portion.

Preferably, the bottom plate is provided with an upper connecting hole and a lower connecting hole arranged up and down, the upper link is movably connected to the upper connecting hole through a first connecting shaft, and the lower link passes through the second connecting shaft Actively connected to the lower connecting hole, the upper ends of the upper link are respectively movably connected to the left arm and the right arm, and the two ends of the lower link are respectively movably connected to the left arm And on the right arm.

Preferably, a first shaped link and a second shaped link are connected to the left arm, and the left arm is connected to the upper link by the first shaped link, the first guide a connecting rod is movably connected to the left arm through a fourth connecting shaft, and is movably connected to the upper link through a fifth connecting shaft; the left arm is connected to the lower link by the second shaped connecting rod On the rod, the second profiled link is movably coupled to the left arm via a sixth connecting shaft and movably coupled to the lower link by a seventh connecting shaft.

Preferably, the upper link is connected to the right arm through an eighth connecting shaft, and the lower link is connected to the right arm through a ninth connecting shaft.

Preferably, the left arc arm is provided with a first arcuate protrusion toward the right arm arm, and the right arm is provided with a second arcuate convex body below the arcuate arm. a block, the lower contour of the first curved bump is the same as the upper contour of the second curved bump.

Preferably, a first bearing is disposed at a joint between the first connecting shaft and the second connecting shaft and the bottom plate, and the fourth connecting shaft and the sixth connecting shaft are connected to the left arm There is a second bearing.

Preferably, a flat pad is disposed between the first connecting shaft, the second connecting shaft, the fifth connecting shaft, the seventh connecting shaft, the eighth connecting shaft and the ninth connecting shaft and the circlip for the shaft.

In normal operation, the bottom plate is fixed on the inner side of the car door. When the car is in the flat position, the landing ball is located between the left and right arms, and the roller drives the push rod to move counterclockwise, the circular convex The table moves to the left along the positioning hole, and pushes the positioning plate to rotate counterclockwise. At this time, the swing arm and the lock hook also rotate counterclockwise, the switch contacts on the swing arm are disconnected, and the lock hook is unlocked; When the right arm is in contact with the door ball, the door ball prevents the right arm from continuing to move to the left. At this time, the right arm moves upward, and the left arm moves to the lower left to drive the door. The ball moves in the direction of opening the door, thereby opening the landing door.

When the landing door is to be closed, the car door moves to the right, and the landing ball moves to the right under the driving of the left arm, and drives the landing door to move in the closing direction; when the closing is completed, under the recovery of the spring assembly The lock hook and the swing arm rotate in a clockwise direction, the switch contacts are connected, the lock hooks are locked, and the closing of the landing door is completed.

When in the non-leveling position, when the car door is to be opened, the wire rope can be pulled down to realize the opening of the switch contact and the unlocking of the lock hook.

Compared with the prior art, the beneficial effects of the present invention are:

(1) Fixing the lock hook assembly, the positioning plate and the swing arm after installation and mounting on the bottom plate, the lock hook can be unlocked and the switch contacts on the swing arm can be disconnected, and the smoothness of the switch door when the elevator is leveled can be improved. Ann Full nature

(2) The left and right arms are connected to the bottom plate by the upper and lower links, and the linkage between the bottom plate, the left and right arms is realized, and is passed between the left and right arms. Cooperate to effectively control the movement of the layer gate ball to ensure the normal opening and closing of the landing door;

(3) a bayonet is arranged on the first profiled link, and when the left arm is moved to the lower left, it can be used to push the movable end of the positioning plate to move counterclockwise;

(4) The spring assembly can restore the elastic force after the landing door is closed, so that the lock hook assembly and the swing arm return to the original position clockwise, the lock hook is locked, and the switch contacts on the swing arm are reconnected to realize the closing of the landing door. ;

(5) a contact is arranged on the lock hook assembly, and a small moving rod and a small spring are arranged between the contact and the left arm, and a small spring is sleeved on the small moving rod, and a wire rope is connected to the unlocking connection portion. In the non-leveling position, when the car door is to be opened, the wire rope can be pulled down to realize the opening of the switch contact and the unlocking of the lock hook;

(6) a first curved protrusion is disposed on the left arm, and a second curved protrusion is disposed on the right arm, the lower contour of the first curved protrusion and the upper contour of the second curved protrusion the same. When the left and right arms are relatively moved, they can play a guiding role to ensure the stability of the left and right arms.

DRAWINGS

Figure 1 is a perspective view of a preferred structure of the present invention;

Figure 2 is a front view of a preferred door cutter of the present invention;

Figure 3 is a front view of a preferred door knife of the present invention, a cross-sectional view taken along line B-B;

Figure 4 is a front view of the preferred doorknob of the present invention.

Description of the reference signs:

1. Base plate; 2. Left arm; 3. Right arm; 4. Upper link; 5. Lower link; 61, first connecting shaft; 62, second connecting shaft; 63, third connecting shaft; , a fourth connecting shaft; 65, a fifth connecting shaft; 66, a sixth connecting shaft; 67, a seventh connecting shaft; 68, an eighth connecting shaft; 69, a ninth connecting shaft; 70, a tenth connecting shaft; Eleventh connecting shaft; 72, elliptical connecting hole; 73, first curved bump; 74, second curved bump; 75, flat pad; 76, shaft circlip; 81, first bearing; 82, second bearing; 12, lock hook assembly; 121, lock hook; 122, contact; 123, unlocking connection; 13, positioning plate; 14, swing arm; 141, switch contact; 15, positioning hole; , push rod; 161, circular boss; 162, roller; 17, small moving rod; 18, small spring; 19, steel wire rope; 21, first shaped connecting rod; 22, second shaped connecting rod; Component.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

FIG. 1 is a perspective view of a preferred three-dimensional structure of the present invention, including a bottom plate 1, a left arm 2, a right arm 3, an upper link 4, and a lower link 5. The bottom plate 1 is provided with upper and lower connections. a hole and a lower connecting hole, the upper link 4 is movably connected to the upper connecting hole through a first connecting shaft 61, and the lower link 5 is movably connected to the lower connecting hole through a second connecting shaft 62, The two ends of the upper link 4 are movably connected to the left arm 2 and the right arm 3 respectively, and the two ends of the lower link 5 are movably connected to the left arm 2 and the right knife respectively FIG. 2 is a front view of the door cutter of the present invention. In this case, the lock hook 121 is in the locked state, the switch contact 141 is in the connected state, and the lock hook assembly 12, the positioning plate 13 and the swing arm 14 are further included. The lock hook assembly 12 includes a lock hook 121, a contact 122 and an unlocking connection portion 123. The lock hook 121, the positioning plate 13 and the swing arm 14 are fixed by riveting and are movably connected to the bottom plate 1 through the third connecting shaft 63. The lock hook 121 is perpendicular to the swing arm 14, and the movable end of the positioning plate 13 is curved and located between the lock hook 121 and the swing arm 14 The center of the arc is located at the position of the bottom plate 1 , and the bottom plate 1 and the positioning plate 13 are provided with positioning holes 15 , and the positioning plate 13 rotates along the connection with the bottom plate 1 . The movable end is just moved in the positioning hole 15 , and the bottom of the bottom plate 1 is further provided with a push rod 16 , and one end of the push rod 16 is connected to the first connecting shaft 61 , and the positioning thereon A circular boss 161 is defined in the corresponding position of the hole 15 at the corresponding position. The movable end of the push rod 16 is provided with a roller 162; a small movement is arranged between the contact 122 and the left arm 2 a rod 17 and a small spring 18, the small spring 18 is sleeved on the small moving rod 17, one end of the small moving rod 17 is connected to the contact 122, and the other end is connected to the left arm 2; the unlocking connecting portion 123 A wire rope 19 is connected to the upper.

3 is a front view of a preferred doorknob of the present invention, a BB cross-sectional view, with a first shaped link 21 and a second shaped link 22 connected to the left arm 2, the left arm 2 passing the first The profiled link 21 is coupled to the upper link 4, the first guide link 21 is movably coupled to the left arm 2 via a fourth connecting shaft 64, and is movably coupled to the upper portion via a fifth connecting shaft 65 The left arm 2 is connected to the lower link 5 via the second profiled link 22, and the second profiled link 22 is movably connected to the left knife via a sixth connecting shaft 66 The arm 2 is movably connected to the lower link 5 through a seventh connecting shaft 67; the upper link 4 is connected to the right arm 3 via an eighth connecting shaft 68, the lower link 5 is connected to the right arm 3 via a ninth connecting shaft 69.

A spring assembly 23 parallel to the left arm 2 is disposed on the bottom plate 1 under the locking hook 121. The two ends of the spring assembly 23 are movably connected to the first connecting shaft 70 and the eleventh connecting shaft 71 respectively. The bottom plate 1 is provided with an elliptical connecting hole 72 at the connection between the bottom plate 1 and the eleventh connecting shaft 71, and the first connecting shaft 61, the second connecting shaft 62, the fifth connecting shaft 65, and the One end of the seven connecting shaft 67, the eighth connecting shaft 68 and the ninth connecting shaft 69 is mounted with a shaft circlip 76, which is mounted on the outermost side of the connecting shaft by a circlip 76, and the material is stainless steel. To the fixed link.

A first arcuate protrusion 73 facing the right arm arm is disposed at an intermediate position of the left arm 2, and a second arc is disposed on the right arm 3 below the first arcuate protrusion 73. The protrusion 74 has a lower contour of the first curved protrusion 73 and an upper contour of the second curved protrusion 74. The swing arm 14 is provided with a switch contact 141.

A first bearing 81 is disposed at a joint of the first connecting shaft 61 and the second connecting shaft 62 with the bottom plate 1, and the fourth connecting shaft 64 and the sixth connecting shaft 66 are connected to the left arm 2 A second bearing 82 is provided at the location. The first connecting shaft 61, the second connecting shaft 62, the fifth connecting shaft 65, the seventh connecting shaft 67, the eighth connecting shaft 68, and the ninth connecting shaft 69 are disposed between the shaft yoke 76 and the shaft. There is a flat pad 75.

In normal operation, the bottom plate 1 is fixed inside the car door. When the car is in the flat position, the landing ball is located between the left and right arms, and the roller 162 drives the push rod 16 to move counterclockwise. The circular boss 161 moves to the left along the positioning hole 15 and pushes the positioning plate 13 to rotate counterclockwise. At this time, the swing arm 14 and the lock hook 121 also rotate counterclockwise, and the state of the door knife is as follows. As shown in FIG. 4, the switch contacts on the swing arm 14 are broken, the lock hooks 121 are unlocked, and the car moves in the direction of opening the door. When the right arm 3 is in contact with the landing door ball, the landing door ball prevents the right arm 3 from continuing to The left movement, at this time, the right arm 3 moves upward, and the left arm 2 moves to the lower left, which drives the door ball to move in the direction of opening the door, thereby opening the door.

When the landing door is to be closed, the car door moves to the right, and the landing ball moves to the right under the driving of the left arm 2, and drives the landing door to move in the closing direction; when the closing is completed, the spring component is restored. Next, the lock hook and the swing arm rotate in a clockwise direction, the switch contacts are connected, the lock hooks are locked, and the closing of the landing door is completed.

The above description shows and describes a preferred embodiment of the invention, and as described above, the invention should be understood The present invention is not limited to the forms disclosed herein, and should not be construed as being excluded from the other embodiments, but may be used in various other combinations, modifications, and environments, and within the scope of the inventive concepts described herein. The technology or knowledge is changed. All changes and modifications made by those skilled in the art are intended to be within the scope of the appended claims.

Claims

An elevator door knife comprising a bottom plate (1), a left arm (2), a right arm (3), an upper link (4), a lower link (5), the upper link (4) and the The two ends of the connecting rod (5) are respectively movably connected with the left arm (2) and the right arm (3), and are characterized in that they further comprise a hook assembly (12), a positioning plate (13) and a swing arm. (14) The lock hook assembly (12) includes a lock hook (121), a contact (122), and an unlocking connection portion (123), the lock hook (121), the positioning plate (13), and the swing arm (14). Fixed by riveting and movably connected to the bottom plate (1) by a third connecting shaft (63); the bottom plate (1) is located below the locking hook (121) and is parallel to the left arm (2) a spring assembly (23), the two ends of the spring assembly (23) are movably connected to the bottom plate (1) through a tenth connecting shaft (70) and an eleventh connecting shaft (71), respectively, the bottom plate (1) An elliptical connecting hole (72) is provided at the junction with the eleventh connecting shaft (71).
The elevator door knife according to claim 1, wherein the lock hook (121) is perpendicular to the swing arm (14), and the swing arm (14) is provided with a switch contact (141). The movable end of the positioning plate (13) is curved and located between the locking hook (121) and the swing arm (14), and the center of the arc is located at the positioning plate (13) connected to the At a position of the bottom plate (1), the bottom plate (1) is provided with a positioning hole (15) corresponding to the positioning plate (13), and the positioning plate (13) rotates along the connection with the bottom plate (1) The movable end just moves within the positioning hole (15).
An elevator door knife according to claim 2, wherein the bottom plate (1) is further provided with a push rod (16) on the back side, and one end of the push rod (16) is connected to the first connecting shaft ( 61) above, a corresponding position of the positioning hole (15) is provided with a set of circular bosses (161) into the positioning holes (15), and the movable end of the push rod (16) is provided with a roller (162) ).
An elevator door knife according to claim 1, wherein a small moving rod (17) and a small spring (18) are disposed between the contact (122) and the left arm (2). The small spring (18) is sleeved on the small moving rod (17), one end of the small moving rod (17) is connected to the contact (122), and the other end is connected to the left arm (2); the unlocking A wire rope (19) is connected to the connecting portion (123).
An elevator door cutter according to claim 1, wherein said bottom plate (1) is provided with an upper connecting hole (11) and a lower connecting hole (12) arranged up and down, said upper link (4) Movably connected to the upper connecting hole (11) through a first connecting shaft (61), the lower link (5) being movably connected to the lower connecting hole (12) by a second connecting shaft (62) The two ends of the upper link (4) are respectively movably connected to the left arm (2) and the right arm (3), and the two ends of the lower link (5) are respectively connected To the left arm (2) and the right arm (3).
An elevator door cutter according to claim 3, wherein said left arm (2) is connected with a first profiled link (21) and a second profiled link (22), said left knife An arm (2) is coupled to the upper link (4) by the first profiled link (21), the first guide link (21) being movably coupled by the fourth connecting shaft (64) On the left arm (2), movably connected to the upper link (4) via a fifth connecting shaft (65); the left arm (2) is connected to the second shaped link (22) On the connecting rod (5), the second profiled link (22) is movably connected to the left arm (2) via a sixth connecting shaft (66), and is movably connected to the seventh connecting shaft (67) through a seventh connecting shaft (67) The lower link (5).
An elevator door cutter according to claim 6, wherein said upper link (4) is coupled to said right arm (3) via an eighth connecting shaft (68), said lower link (4) is connected to the right arm (3) via a ninth connecting shaft (69).
An elevator door knife according to claim 7, wherein a first arcuate projection (73) facing the right arm is provided at an intermediate position of the left arm (2), A second arcuate protrusion (74) is disposed on the right arm (3) below the arcuate protrusion (73), and the lower contour of the first arcuate protrusion (73) and the second arc The upper outline of the shaped bumps (74) is the same.
An elevator door knife according to claim 8, wherein a first bearing is disposed at a joint between the first connecting shaft (61) and the second connecting shaft (62) and the bottom plate (1) (81), a second bearing (82) is provided at a joint between the fourth connecting shaft (64) and the sixth connecting shaft (66) and the left arm (2).
An elevator door knife according to claim 9, wherein said first connecting shaft (61), said second connecting shaft (62), said fifth connecting shaft (65), and said seventh connecting shaft (67) The first connecting shaft (68) and the ninth connecting shaft (69) are mounted with a shaft circlip (76) at one end; the first connecting shaft (61), the second connecting shaft (62), and the fifth connecting A flat pad (75) is disposed between the shaft (65), the seventh connecting shaft (67), the eighth connecting shaft (68), and the ninth connecting shaft (69) and the shaft circlip (76).