Hinged door fence device for elevator and elevator

Abstract

The side-by-side combination door fence device comprises a side-by-side combination door assembly and a safety lock mechanism, at least one of a first side-by-side combination door and a second side-by-side combination door of the side-by-side combination door assembly is provided with a door limiting shaft, and a limiting swing rod of the safety lock mechanism swings and resets to a first locking position from a first unlocking position through a swing rod reset piece; the lower end of the limiting swing rod is provided with a limiting rod part, the upper end of the limiting swing rod is provided with a telescopic spring bolt, the telescopic spring bolt ascends and resets to the second locking position from the second unlocking position through a spring bolt reset piece, the first end of the touch rod driving assembly is rotationally arranged and provided with a stop plate, and the second end of the touch rod driving assembly stretches out to abut against the touch iron. The collision rod driving assembly drives the stopping plate to remove stopping of the limiting rod part under abutting connection of the collision iron, the collision rod reset piece drives the collision rod driving assembly to reset to the stopping plate to exert stopping, the safety lock mechanism is transferred to the installation side of the hinged door assembly, and the collision rod driving assembly can stretch out. Therefore, the cage does not need to be installed at the position close to the fence door.

Description

Technical Field

[0001] The present invention belongs to the technical field of elevators, and in particular relates to a double-door fence device for an elevator and an elevator. Background Art

[0002] A construction hoist, also known as a construction elevator, outdoor elevator, or passenger / cargo elevator, is an essential piece of equipment for transporting people and goods on construction sites. It is a temporary lifting machine equipped with a guide platform, cage, or other carrying device. It can flexibly dock at various levels of the construction site, providing vertical transportation for workers and goods.

[0003] As a crucial component of construction hoists, gates provide safe access for personnel and cargo. During operation, these gates must remain closed to ensure the safety and containment of the interior. Currently, construction hoists primarily use gates that slide upward. The safety lock mechanism can only be installed at the top of the gate, and the hoist cage must be close to the gate to trigger the safety lock mechanism. This unlocks the mechanism, otherwise the gate will not open upward. Summary of the Invention

[0004] In response to the above-mentioned defects or shortcomings, the present invention provides a double-door fence device and an elevator for an elevator, aiming to solve the technical problem that the existing fence door structure restricts the cage to a position close to the fence door.

[0005] To achieve the above-mentioned objectives, the first aspect of the present invention provides a double-door fence device for an elevator, wherein the double-door fence device for an elevator includes a double-door assembly and a safety lock mechanism; the double-door assembly includes a door frame and a first double-door and a second double-door rotatably mounted on the door frame, and a door limit shaft is extended from the mounting side of at least one of the first double-door and the second double-door; the safety lock mechanism is arranged on the door frame corresponding to the door limit shaft and includes a striker drive assembly, a lock tongue rocker assembly and a striker reset member, the lock tongue rocker assembly includes a limit rocker, a telescopic lock tongue, a rocker reset member and a lock tongue reset member, the limit rocker is swung and is moved from a first unlocked position to a direction away from the cage through the rocker reset member. The door lock is locked and unlocked when the retractor is unlocked and the door is unlocked, and the retractor is locked when the retractor is unlocked and the door is unlocked.

[0006] In one embodiment of the present invention, the limiting rocker arm includes a rocker arm shaft mounting portion and a limiting rod portion. The rocker arm shaft mounting portion is transversely penetrated by a rocker arm mounting hole for rotatable installation of the limiting rocker arm, and the reset drive end of the rocker arm reset member is installed at the first end of the rocker arm shaft mounting portion so that the rocker arm shaft mounting portion can be driven to reset from the first unlocking position to the first locking position. The telescopic lock tongue and the limiting rod portion are arranged on the upper and lower sides of the rocker arm shaft mounting portion.

[0007] In one embodiment of the present invention, the rocker arm reset member is configured as a first spring member, and the first end of the rocker arm shaft mounting portion extends along a portion of the periphery of the rocker arm mounting hole to provide a spring hooking portion for hooking the reset driving end of the first spring member.

[0008] In one embodiment of the present invention, the second end of the rocker arm shaft mounting portion is provided with a shaft mounting limit portion extending along part of the periphery of the rocker arm mounting hole, and the safety lock mechanism also includes a stop block, which abuts against the shaft mounting limit portion when the rocker arm shaft mounting portion is reset to the first locking position.

[0009] In one embodiment of the present invention, the lock tongue rocker assembly also includes a guide rod, the lower end of the guide rod is connected to the side of the limit rocker away from the limit rod portion, the telescopic lock tongue can be lifted and lowered on the guide rod, and a rocker reset member is provided between the limit rocker and the telescopic lock tongue.

[0010] In one embodiment of the present invention, the guide rod includes a rod body and a rod head arranged at the upper end of the rod body. The inner cavity of the telescopic lock tongue is provided with a driving cavity, a rod cavity and a limiting cavity from bottom to top. The rod head can be lifted and lowered in the limiting cavity and can abut against the bottom wall of the limiting cavity. The rod body passes through the rod cavity and the driving cavity in sequence from the limiting cavity, so that the lower end is connected to the side of the limiting rocker arm away from the limiting rod part. The lock tongue reset piece is sleeved on the rod body and placed between the limiting rocker arm and the top wall of the driving cavity.

[0011] In one embodiment of the present invention, the telescopic lock tongue includes a lock tongue body and a threaded connection sleeve. The inner cavity of the threaded connection sleeve is vertically penetrated and is configured to include a driving cavity, a rod cavity and a limiting cavity, and the outer wall of the threaded connection sleeve is provided with a first external thread segment. The lower end of the lock tongue body is sleeved on the threaded connection sleeve and the inner cavity is provided with a first internal thread segment threadedly connected to the first external thread segment.

[0012] In one embodiment of the present invention, the lower end of the rod body is detachably threadedly connected to the limiting rocker arm.

[0013] In one embodiment of the present invention, a guiding inclined surface is formed on the upper end of the telescopic locking tongue, and the guiding inclined surface is arranged to be inclined upward in the direction from the cage toward the door frame.

[0014] In one embodiment of the present invention, the safety lock mechanism further comprises a stop shaft located on the upper side of the stop plate, and the stop shaft abuts against the stop plate when the stop plate returns to apply a stopping effect to the limit rod.

[0015] In one embodiment of the present invention, the safety lock mechanism also includes a first side mounting plate, which can be detachably mounted on the door frame, and a rocker arm mounting shaft and a bumper arm mounting shaft are spaced apart on the first side mounting plate, the limiting rocker arm and the bumper arm driving assembly are respectively mounted one-to-one on the rocker arm mounting shaft and the bumper arm mounting shaft, and the rocker arm mounting shaft and the bumper arm mounting shaft are both provided with connecting fastening holes at one end away from the first side mounting plate for fastening with fasteners.

[0016] In one embodiment of the present invention, the rocker arm mounting shaft includes a first shaft section and a second shaft section arranged in sequence from the first side mounting plate, the shaft diameter of the first shaft section is larger than the shaft diameter of the second shaft section, so that a step surface arranged away from the first side mounting plate is formed between the first shaft section and the second shaft section, and a connecting fastening hole is provided at one end of the second shaft section away from the first shaft section, the rocker arm reset member and the limiting rocker arm are both sleeved on the second shaft section, and the rocker arm reset member is located between the step surface and the limiting rocker arm, the reset drive end and the fixed end of the rocker arm reset member are respectively installed on the limiting rocker arm and the first shaft section, and the first shaft section is provided with a mounting plane on the side away from the cage for hooking the fixed end of the rocker arm reset member.

[0017] In one embodiment of the present invention, the first end of the collision rod driving assembly is provided with a collision rod sleeve sleeved on the collision rod mounting shaft, and the collision rod reset member is provided as a second spring member sleeved on the collision rod sleeve, and the two ends of the second spring member are respectively installed on the first side mounting plate and the collision rod driving assembly in a one-to-one correspondence.

[0018] In one embodiment of the present invention, the safety lock mechanism also includes a second side mounting plate, which is arranged relative to the first side mounting plate and has two connecting through holes. The two connecting through holes are respectively arranged to correspond one to one with the connecting fastening holes of the rocker arm mounting shaft and the bumper rod mounting shaft. The fasteners pass through the door frame and the connecting through holes in turn and are fastened to the connecting fastening holes, so that the limiting rocker arm and the bumper rod driving assembly are installed between the first side mounting plate and the second side mounting plate. A stop block and a stop shaft are provided on the first side mounting plate.

[0019] In one embodiment of the present invention, the impact rod drive assembly includes a impact rod body and a roller body, the impact rod body includes a rotating mounting portion and a roller mounting portion, the first end of the rotating mounting portion is rotatably arranged and provided with a stop plate, the second end of the rotating mounting portion is extended toward the cage, the roller mounting portion is arranged at the second end of the rotating mounting portion and extends along a protruding direction perpendicular to the rotating mounting portion, the roller body is rotatably mounted on one end of the roller mounting portion away from the rotating mounting portion and is used to abut against the impact iron on the cage.

[0020] To achieve the above-mentioned object, a second aspect of the present invention provides an elevator, wherein the elevator includes the double-door fence device for the elevator as described above.

[0021] Through the above technical solution, the elevator double-door fence device provided by the present invention has the following beneficial effects: When the elevator uses the above-mentioned double-door fence device, since it includes a double-door assembly and a safety lock mechanism, when the cage moves to the corresponding double-door fence device, as the contact iron on the cage abuts against the contact rod drive assembly, the contact rod drive assembly rotates and drives the stop plate to rotate, so that the stop plate removes the stopping effect on the limit rod. At this time, when the double-door assembly is opened, the door limit shaft on the double-door assembly follows and rotates to abut against the telescopic lock tongue in the second locking position, and pushes the limit swing rod to swing from the first locking position toward the direction close to the cage to the first unlocking position, so that the door limit shaft can be smoothly unlocked in the first unlocking position. At the same time, since the telescopic lock tongue loses the abutment of the door limit shaft in the first unlocking position, the swing rod reset member can drive the limit swing rod to swing from the first unlocking position toward the direction away from the cage to reset to the first locking position; when closing the double-door assembly, the door limit shaft on the double-door assembly follows and rotates to abut against the telescopic lock tongue in the second locking position The latch assembly is then retracted to the second unlocked position so that the door can be opened and the door can be locked without further delay.

[0022] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the embodiments of the present invention and constitute part of the specification. Together with the following specific embodiments, they are used to explain the embodiments of the present invention, but do not constitute a limitation of the embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without inventive work. In the accompanying drawings: Figure 1 2 is a schematic structural diagram of a double-door fence device in a closed state according to an embodiment of the present invention; Figure 2 yes Figure 1 Schematic diagram of the enlarged structure at A in the middle; Figure 3 2 is a schematic structural diagram of a double-door fence device in an opening process according to an embodiment of the present invention; Figure 4 yes Figure 3 Schematic diagram of the enlarged structure at B in the middle; Figure 5 is a structural schematic diagram of a door frame according to an embodiment of the present invention; Figure 6 is a schematic structural diagram of a first biparting door according to an embodiment of the present invention; Figure 7 is a structural schematic diagram of a safety lock mechanism in a first locking position from one perspective according to an embodiment of the present invention; Figure 8 is a structural schematic diagram of a safety lock mechanism in a first locking position from another perspective according to an embodiment of the present invention; Figure 9 is a structural schematic diagram of a safety lock mechanism in an unlocking process according to an embodiment of the present invention; Figure 10 1 is a schematic diagram of the assembly structure of a limit swing arm, a telescopic lock tongue and a lock tongue reset member according to an embodiment of the present invention; Figure 11 1 is a schematic diagram of the disassembled structure of a limit swing arm, a telescopic lock tongue, and a lock tongue reset member according to an embodiment of the present invention; Figure 12 2 is a schematic cross-sectional structural diagram of a limit rocker arm, a telescopic lock tongue, and a lock tongue reset member according to an embodiment of the present invention; Figure 13 This is a schematic structural diagram of the first side mounting plate according to an embodiment of the present invention. Figure 14 2. It is a schematic diagram of the installation structure of the contact rod reset member according to one embodiment of the present invention; Figure 15 is a structural schematic diagram of a second side mounting plate according to an embodiment of the present invention; Figure 16 It is a partial structural diagram of a bumper drive assembly according to one embodiment of the present invention.

[0024] Description of reference numerals: 100, door frame; 101, second baffle; 102, third baffle; 103, first mounting seat; 104, second mounting seat; 105, third mounting seat; 106, first slot plate; 107, second slot plate; 108, mounting notch; 200, first split door; 201, door limit axis; 202, first baffle; 203, first mounting shaft; 204, second mounting shaft; 300, second split door; 400, touch rod drive assembly; 420, rotating mounting portion; 421, touch rod sleeve; 422, stop plate; 430, roller mounting portion; 431, roller body; 500, limit rocker; 510, rocker shaft mounting portion; 511, shaft-mounted limit portion; 512, spring hook mounting portion; 513, boss connection Part; 520, telescopic lock tongue; 521, drive cavity; 522, rod cavity; 523, limit cavity; 524, lock tongue body; 525, threaded connection sleeve; 526, guide inclined surface; 530, lock tongue reset member; 540, limit rod part; 550, rocker arm reset member; 560, guide rod; 561, rod body; 562, rod head; 600, touch rod reset member; 700, first side mounting plate; 710, rocker arm mounting shaft; 711, first shaft section; 712, second shaft section; 713, step surface; 714, mounting plane; 720, touch rod mounting shaft; 730, connecting fastening hole; 740, spring stop block; 800, second side mounting plate; 804, stop block; 805, stop shaft; 806, connecting through hole. DETAILED DESCRIPTION

[0025] The specific embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only used to illustrate and explain the present invention and are not intended to limit the present invention.

[0026] The following describes the double-door fence device for an elevator and the elevator of the present invention with reference to the accompanying drawings.

[0027] like Figures 1 to 4 As shown, the present invention provides a double-door fence device for an elevator, wherein the double-door fence device for an elevator includes: The bi-fold door assembly includes a door frame 100 and a first bi-fold door 200 and a second bi-fold door 300 rotatably mounted on the door frame 100. A door stop shaft 201 extends from a mounting side of at least one of the first bi-fold door 200 and the second bi-fold door 300. The safety lock mechanism is provided on the door frame 100 corresponding to the door limit axis 201 and includes a striker drive assembly 400, a lock tongue rocker assembly and a striker reset member 600. The lock tongue rocker assembly includes a limit rocker 500, a telescopic lock tongue 520, a rocker reset member 550 and a lock tongue reset member 530. The limit rocker 500 can be swung and can be swung from the first unlocking position toward the direction away from the cage to the first locking position through the rocker reset member 550. The lower end of the limit rocker 500 is provided with a limit rod portion 540, and the upper end is provided with a telescopic lock tongue 520 that locks the door limit axis 201. The telescopic lock tongue 520 can be raised and lowered and can be reset through the rocker reset member 550. The locking tongue reset member 530 can rise from the second unlocking position and reset to the second locking position. The first end of the contact rod driving assembly 400 is rotatably set and a stop plate 422 is provided on the side of the limiting rod 540 away from the cage, and the second end is extended toward the cage and abuts against the contact iron on the cage. The contact rod driving assembly 400 drives the stop plate 422 to rotate under the abutting action of the contact iron to remove the stopping effect on the limiting rod 540. The contact rod reset member 600 drives the contact rod driving assembly 400 to reset when the abutting action of the contact iron is lost, so that the stop plate 422 returns to apply a stopping effect on the limiting rod 540.

[0028] When the elevator uses the above-mentioned double-door fence device, since it includes a double-door assembly and a safety lock mechanism, when the cage moves to the corresponding double-door fence device, as the bumper on the cage abuts against the bumper drive assembly 400, the bumper drive assembly 400 rotates and drives the stop plate 422 to rotate, so that the stop plate 422 removes the stopping effect on the limit rod 540. At this time, when the double-door assembly is opened, the door limit shaft 201 on the double-door assembly rotates to abut against the telescopic lock tongue 520 in the second locking position. , and pushes the limiting rocker 500 to swing from the first locking position toward the direction close to the cage to the first unlocking position, so that the door limiting shaft 201 can be smoothly unlocked in the first unlocking position. At the same time, since the telescopic lock tongue 520 loses the contact with the door limiting shaft 201 in the first unlocking position, the rocker reset member 550 can drive the limiting rocker 500 to swing from the first unlocking position toward the direction away from the cage and reset to the first locking position; when closing the split door assembly, the door limiting shaft 201 on the split door assembly follows and rotates to the telescopic lock tongue 520 in the second locking position. The locking tongue 520 abuts and pushes the telescopic locking tongue 520 down to the second unlocking position, so that the door limit shaft 201 can smoothly enter the side of the telescopic locking tongue 520 away from the cage. After the telescopic locking tongue 520 loses the abutment of the door limit shaft 201, the locking tongue reset member 530 can drive the telescopic locking tongue 520 to rise and reset from the second unlocking position to the second locking position. Then, when the cage leaves the corresponding double-door fence device, the contact rod driving assembly 400 gradually loses the abutment effect of the contact iron, and the contact rod reset member 600 can drive the contact rod driving assembly 400 to reset. The locking mechanism 422 is rotated to the right position so that the stop plate 422 returns to apply a stopping effect to the limit rod 540, thereby locking the door limit shaft 201, and then the double door assembly cannot be opened when the cage does not run to the corresponding double door fence device. In the present invention, the double door assembly is arranged to transfer the safety lock mechanism to the installation side of the double door assembly. In addition, the contact rod drive assembly 400 for contacting the contact iron on the cage is extended toward the cage, so that the cage does not need to be installed at a position close to the fence door, which is beneficial to the production and disassembly of the cage.

[0029] It should be noted that when the limit rocker arm 500 is in the first locking position, the telescopic lock tongue 520 and the limit rod 540 on the limit rocker arm 500 can both remain in a vertical state; when the limit rocker arm 500 is in the first unlocking position, the limit rocker arm 500 rotates until the telescopic lock tongue 520 and the limit rod 540 are in an inclined state, and the telescopic lock tongue 520 is located on the side close to the cage, and the limit rod 540 is located on the side away from the cage, so as to unlock the door limit shaft 201. When the double-door assembly is in the closed state, the door limit shaft 201 is on the side of the telescopic lock tongue 520 away from the cage, and the telescopic lock tongue 520 can be maintained in the second locking position to lock the door limit shaft 201; in the process of closing the double-door assembly, the telescopic lock tongue 520 can be lowered from the second locking position to the second unlocking position under the abutment of the door limit shaft 201, so that the door limit shaft 201 enters the side of the telescopic lock tongue 520 away from the cage.

[0030] Specifically, see Figures 1 to 6 , the number of safety lock mechanisms in the elevator double-door fence device is preferably one, the door limit shaft 201 can be set on the first double-door 200, and the number is not limited, and the safety lock mechanism can be installed corresponding to one of the door limit shafts 201 set near the upper end of the corresponding double-door, and the first double-door 200 can extend a first baffle 202 on the door opening side away from the installation side, and the first baffle 202 is set on the side of the first double-door 200 away from the cage, between the first double-door 200 and the first double-door 200. When the two double doors 300 are closed, the first baffle 202 can stop the second double door 300 from rotating and opening. The door frame 100 is also provided with a second baffle 101 and a third baffle 102. The second baffle 101 and the third baffle 102 are respectively arranged in one-to-one correspondence with the first double door 200 and the second double door 300, and are located on the side of the corresponding double door facing the cage, so as to limit the corresponding double door from continuing to rotate toward the cage when the first double door 200 and the second double door 300 are closed.

[0031] Of course, the present invention is not limited to this. The installation sides of the first double door 200 and the second double door 300 can be provided with a door limit shaft 201, then each double door fence device can be provided with two safety lock mechanisms, and the cage can be provided with two contact irons. The two safety lock mechanisms are respectively arranged in one-to-one correspondence with the door limit shafts 201 on the first double door 200 and the second double door 300, and the two contact irons can be respectively arranged in one-to-one correspondence with the contact rod drive components 400 of the two safety lock mechanisms.

[0032] More specifically, if Figure 5 and Figure 6As shown, the first and second double-leaf doors 200 and 300 can be provided with a door handle on the side facing the cage, and the first and second double-leaf doors 200 and 300 are provided with a first mounting shaft 203 and a second mounting shaft 204 at the upper and lower ends close to the mounting side, so that the first and second double-leaf doors 200 and 300 can be rotatably opened and closed on the door frame 100. The door frame 100 is provided with a detachable first mounting seat 103, and the first mounting seat 103 is provided with a shaft hole for the first mounting shaft 203 and / or the second mounting shaft 204 to rotatably pass through. Preferably, the first mounting seat 103 is provided corresponding to the first mounting shaft 203 at the upper end, and the second mounting seat 104 is welded to the door frame 100. The second mounting seat 104 can be rotatably mounted on the second mounting shaft 204 at the lower end. In addition, the door frame 100 is provided with a third mounting seat 105 at a position above the double-leaf door assembly, and the third mounting seat 105 can be used to install a limit switch.

[0033] See also Figures 1 to 4 ,as well as Figures 7 to 9 In one embodiment of the present invention, the limiting rocker arm 500 includes a rocker arm shaft mounting portion 510 and a limiting rod portion 540. The rocker arm shaft mounting portion 510 is horizontally penetrated by a rocker arm mounting hole for rotatable installation of the limiting rocker arm 500, and the reset driving end of the rocker arm reset member 550 is installed on the first end of the rocker arm shaft mounting portion 510, and the fixed end can be fixedly installed so that the rocker arm shaft mounting portion 510 can be driven to reset from the first unlocked position to the first locked position. The telescopic lock tongue 520 and the limiting rod portion 540 are respectively arranged on the upper and lower sides of the rocker arm shaft mounting portion 510. On the one hand, the limiting rocker arm 500 is rotatably installed through the rocker arm mounting hole, and only a rocker arm mounting shaft 710 is required to be fixed for rotatably fitting the rocker arm shaft mounting part 510. Compared with the use of a solid shaft for rotatable installation, it is necessary to provide shaft holes for rotatable installation at both ends of the solid shaft, which is obviously easier to ensure production and manufacturing accuracy. On the other hand, the structural design of the limiting rocker arm 500 in the present invention is also conducive to the installation of the rocker arm reset part 550.

[0034] See also Figures 7 to 11In one embodiment of the present invention, the rocker arm reset member 550 can be configured as a first spring member, specifically a torsion spring. A spring hook portion 512 is provided at the first end of the rocker arm shaft mounting portion 510, extending along a portion of the periphery of the rocker arm mounting hole. The spring hook portion 512 can be hooked onto the reset driving end of the first spring member. The addition of the spring hook portion 512 facilitates the mounting of the reset driving end of the first spring member on the rocker arm shaft mounting portion 510. Specifically, when the position-limiting rocker arm 500 is in the first locked position, the side of the spring hook portion 512 that the reset driving end of the first spring member hooks onto is located above the rocker arm shaft mounting portion 510 and faces the cage. Consequently, when the position-limiting rocker arm 500 rotates from the first locked position toward the cage to the first unlocked position, the reset driving end of the first spring member undergoes torsional deformation and accumulates elastic potential energy, enabling the first spring member to subsequently drive the position-limiting rocker arm 500 to reverse direction and reset to the first locked position. Of course, the present invention is not limited thereto, and the rocker arm reset member 550 may be configured as other suitable elastic members.

[0035] See also Figures 7 to 11 ,as well as Figure 15 In one embodiment of the present invention, a shaft-mounting limiter 511 is provided at the second end of the rocker arm shaft-mounting portion 510, extending along a portion of the periphery of the rocker arm mounting hole. The safety lock mechanism also includes a stopper 804, which abuts against the shaft-mounting limiter 511 when the rocker arm shaft-mounting portion 510 is returned to the first locked position. The addition of the shaft-mounting limiter 511 and the stopper 804 accurately limits the rotational range of the rocker arm shaft-mounting portion 510. Specifically, the shaft-mounted limit portion 511 is located above the swing arm shaft-mounted portion 510, and the stop block 804 is located on the side of the shaft-mounted limit portion 511 facing away from the cage. During the rotation of the limit swing arm 500 from the first locked position to the first unlocked position, the shaft-mounted limit portion 511 rotates toward the side away from the stop block 804. During the return rotation of the limit swing arm 500 to the first locked position, the shaft-mounted limit portion 511 rotates toward the side closer to the stop block 804 until it abuts against the stop block 804. Furthermore, the stop block 804 may be provided on the second side mounting plate 800.

[0036] like Figures 7 to 10 As shown, in one embodiment of the present invention, the lock tongue swing arm assembly further includes a guide rod 560. The lower end of the guide rod 560 is connected to the side of the limit swing arm 500 that is away from the limit rod portion 540. The telescopic lock tongue 520 is liftably mounted on the guide rod 560, and a swing arm reset member 550 is provided between the limit swing arm 500 and the telescopic lock tongue 520. In other words, the addition of the guide rod 560 can guide the lifting and lowering movement of the telescopic lock tongue 520 to ensure the reliability and stability of the lifting and lowering movement.

[0037] See also Figures 10 to 12In one embodiment of the present invention, the guide rod 560 includes a rod body 561 and a rod head 562 provided at the upper end of the rod body 561. The inner cavity of the telescopic lock tongue 520 is provided with a driving cavity 521, a rod cavity 522 and a limiting cavity 523 from bottom to top. The rod head 562 can be lifted and accommodated in the limiting cavity 523 and can abut against the bottom wall of the limiting cavity 523. The rod body 561 passes through the rod cavity 522 and the driving cavity 521 from the limiting cavity 523 in sequence, so that the lower end is connected to the side of the limiting rocker arm 500 away from the limiting rod portion 540. The lock tongue reset member 530 is sleeved on the rod body 561 and placed between the limiting rocker arm 500 and the top wall of the driving cavity 521. Specifically, the addition of the rod head 562 of the guide rod 560 and the limiting cavity 523 of the telescopic lock tongue 520 prevents the telescopic lock tongue 520 from excessive upward displacement and disengagement from the guide rod 560. Furthermore, the addition of the drive cavity 521 allows the lock tongue reset member 530 and the rod head 562 to be separated, preventing interference between the two. Specifically, the central axes of the drive cavity 521, the rod-passing cavity 522, and the limiting cavity 523 can be collinear, with the rod-passing cavity 522 having the smallest radial dimension among the three, thereby forming a top wall in the drive cavity 521 and a bottom wall in the limiting cavity 523. Furthermore, the lock tongue reset member 530 can be configured as a third spring member, specifically a compression spring. Of course, the present invention is not limited to this, and the lock tongue reset member 530 can also be configured as other suitable elastic members.

[0038] In one embodiment of the present invention, the telescopic lock tongue 520 includes a lock tongue body 524 and a threaded sleeve 525. The inner cavity of the threaded sleeve 525 is vertically penetrated and is configured to include a drive cavity 521, a rod passage cavity 522, and a stop cavity 523. The outer wall of the threaded sleeve 525 is provided with a first externally threaded section. The lower end of the lock tongue body 524 is sleeved on the threaded sleeve 525, and the inner cavity is provided with a first internally threaded section that is threadedly connected to the first externally threaded section. By separating the telescopic lock tongue 520 into the lock tongue body 524 and the threaded sleeve 525, it is facilitated to install the telescopic lock tongue 520 on the guide rod 560.

[0039] Furthermore, when installing the guide rod 560 on the telescopic lock tongue 520, the lower end of the rod body 561 of the guide rod 560 can be aligned with the limit cavity 523 of the threaded sleeve 525 and then pushed into the limit cavity 523, the rod cavity 522, and the drive cavity 521 in sequence until the rod head 562 of the guide rod 560 abuts the bottom wall of the limit cavity 523. The lock tongue body 524 is then sleeved onto the threaded sleeve 525 and tightened to complete the assembly. Furthermore, the threaded sleeve 525 includes a seat portion and an inner sleeve portion, which are arranged in sequence from bottom to top. The central axes of the seat portion and the inner sleeve portion are arranged collinearly. The outer diameter of the seat portion is larger than the outer diameter of the inner sleeve portion and equal to the outer diameter of the lock tongue body 524. The inner sleeve portion is provided with a first externally threaded section, and the lower portion of the inner cavity of the lock tongue body 524 is provided with a first internally threaded section. Of course, the present invention is not limited thereto, and the telescopic locking tongue 520 and the guide rod 560 may also be configured to be inseparable.

[0040] In one embodiment of the present invention, the lower end of the rod body 561 is detachably threadedly connected to the position-limiting rocker 500, facilitating disassembly, assembly, and replacement. Specifically, the rocker shaft mounting portion 510 of the position-limiting rocker 500 is provided with a boss connection portion 513 on the side facing away from the position-limiting rod portion 540. The boss connection portion 513 has an internally threaded hole. The lower end of the rod body 561 is provided with a second externally threaded section. The rod body 561 is inserted into the internally threaded hole and is threadedly connected to the internally threaded hole via the second externally threaded section. The lock tongue reset member 530 is disposed between the top wall of the drive cavity 521 and the upper end of the boss connection portion 513.

[0041] In one embodiment of the present invention, a guide inclined surface 526 is formed on the upper end of the telescopic lock tongue 520. Specifically, the guide inclined surface 526 can be formed on the upper end of the lock tongue body 524. The guide inclined surface 526 is arranged to be upwardly inclined in the direction from the cage toward the door frame 100. The addition of the guide inclined surface 526 allows, when the bi-directional door assembly is closed, the door stop shaft 201 can abut against the guide inclined surface 526 to compress the telescopic lock tongue 520. On the other hand, the door stop shaft 201 can be smoothly guided to the side of the telescopic lock tongue 520 that is away from the cage.

[0042] See also Figures 7 to 9 ,as well as Figure 15 and Figure 16In one embodiment of the present invention, the safety lock mechanism further includes a stopper shaft 805 located above the stopper plate 422. The stopper shaft 805 abuts against the stopper plate 422 when the stopper plate 422 returns to apply a stopping effect to the limiting rod 540. The provision of the stopper shaft 805 allows the stopper plate 422 to abut against the stopper shaft 805 and stop rotating when the stopper plate 422 returns to apply a stopping effect to the limiting rod 540, thereby ensuring accurate resetting of the striker drive assembly 400. Furthermore, when the stop plate 422 returns to stop the limiting rod 540, the stop plate 422 can remain horizontal, and the stop shaft 805 abuts against the stop plate 422 on its upper side. Furthermore, the stop plate 422 can abut against the limiting rod 540, thereby balancing the action of the rocker arm reset member 550 on the rocker arm shaft mounting portion 510 and maintaining the telescopic lock tongue 520 and the limiting rod 540 on the upper and lower sides of the rocker shaft mounting portion in a vertical position. Furthermore, the stop shaft 805 can be provided on the second side mounting plate 800.

[0043] See also Figures 7 to 9 ,as well as Figure 13 In one embodiment of the present invention, the safety lock mechanism further comprises a first side mounting plate 700, which is detachably mounted on the door frame 100. A rocker arm mounting shaft 710 and a bumper arm mounting shaft 720 are spaced apart on the first side mounting plate 700. The limiting rocker arm 500 and the bumper arm driving assembly 400 are respectively mounted on the rocker arm mounting shaft 710 and the bumper arm mounting shaft 720 in a one-to-one correspondence. Furthermore, the rocker arm mounting shaft 710 and the bumper arm mounting shaft 720 are each provided with a connecting fastening hole 730 for fastening with a fastener at one end away from the first side mounting plate 700. That is, by collectively mounting the rocker arm mounting shaft 710 and the bumper arm mounting shaft 720 on the first side mounting plate 700 and detachably mounting the first side mounting plate 700 on the door frame 100, the safety lock mechanism can be easily manufactured, disassembled, and replaced. At the same time, the swing arm mounting shaft 710 and the bumper bar mounting shaft 720 are provided with connection fastening holes 730, which allow the first side mounting plate 700 to be installed on the door frame 100 after the limiting swing arm 500 and the bumper bar driving assembly 400 are first mounted on the corresponding mounting shafts. Then, fasteners are passed through the door frame 100 and inserted into the connection fastening holes 730, so that the ends of the swing arm mounting shaft 710 and the bumper bar mounting shaft 720 away from the first side mounting plate 700 can be detachably connected to the door frame 100. Of course, the present invention is not limited to this, and the swing arm mounting shaft 710 and the bumper bar mounting shaft 720 can also be directly installed on the door frame 100.

[0044] For details, please see again Figures 1 to 5The door frame 100 may be provided with a first slot plate 106 and a second slot plate 107, which are spaced apart from each other, facing outward on the installation side of the first bi-fold door 200. The first slot plate 106 is provided with a mounting notch 108 for the door stop shaft 201 to swing. When the first bi-fold door 200 is closed, the end of the door stop shaft 201 away from the first bi-fold door 200 passes through the mounting notch 108 and extends between the first slot plate 106 and the second slot plate 107. The first side mounting plate 700 may be provided on one of the first slot plate 106 and the second slot plate 107, preferably on the second slot plate 107. The ends of the swing arm mounting shaft 710 and the striker mounting shaft 720 away from the first side mounting plate 700 may extend to the other of the first slot plate 106 and the second slot plate 107 for connection. In addition, the connection fastening hole 730 may be a threaded hole or a rivet hole, and the fastener may be a threaded fastener or a rivet fastener.

[0045] Please see again Figures 7 to 9 ,as well as Figure 13 In one embodiment of the present invention, the rocker arm mounting shaft 710 includes a first shaft section 711 and a second shaft section 712 sequentially arranged from the first side mounting plate 700. The central axes of the first shaft section 711 and the second shaft section 712 are arranged collinearly. The shaft diameter of the first shaft section 711 is larger than the shaft diameter of the second shaft section 712, so that a step surface 713 is formed between the first shaft section 711 and the second shaft section 712, which is arranged away from the first side mounting plate 700. The second shaft section 712 is away from the first shaft section 711. 1 is provided with a connecting fastening hole 730. The rocker arm reset member 550 and the position-limiting rocker arm 500 are both mounted on the second shaft segment 712, with the rocker arm reset member 550 positioned between the stepped surface 713 and the position-limiting rocker arm 500. The reset driving end and the fixed end of the rocker arm reset member 550 are respectively mounted on the position-limiting rocker arm 500 and the first shaft segment 711 in a one-to-one correspondence. The first shaft segment 711 is provided with a mounting surface 714 on the side facing away from the cage for the fixed end of the rocker arm reset member 550 to hook onto. By configuring the rocker arm mounting shaft 710 with two sections having different shaft diameters, the position-limiting rocker arm 500 can be positioned away from the first side mounting plate 700, while the rotating mounting portion 420 of the contact rod drive assembly 400 can be positioned closer to the first side mounting plate 700. Furthermore, the rocker arm reset member 550 can be provided with an end stop while facilitating the provision of the mounting surface 714 for hooking onto.

[0046] See also Figures 7 to 9 ,as well as Figure 13 and Figure 16In one embodiment of the present invention, the first end of the striker rod drive assembly 400 is provided with a striker rod sleeve 421 sleeved on the striker rod mounting shaft 720, and the striker rod reset member 600 is configured as a second spring member sleeved on the striker rod sleeve 421. The two ends of the second spring member are respectively mounted on the first side mounting plate 700 and the striker rod drive assembly 400 in a one-to-one correspondence. That is, by adding the striker rod sleeve 421, on the one hand, the striker rod drive assembly 400 can be rotatably mounted on the first side mounting plate 700, and on the other hand, it can also provide a space for the second spring member to be sleeved, thereby ensuring the reliability of the installation of the second spring member. Specifically, the collision rod sleeve 421 is provided at one end of the rotating mounting portion 420 of the collision rod drive assembly 400 away from the roller mounting portion 430, and both ends of the collision rod sleeve 421 are extended from the rotating mounting portion 420. The two ends of the collision rod sleeve 421 are respectively limited in the end direction by the first side mounting plate 700 and the second side mounting plate 800. The second spring member is sleeved on the portion of the collision rod sleeve 421 located between the rotating mounting portion 420 and the first side mounting plate 700. The two ends of the second spring member are respectively mounted on the first side mounting plate 700 and the rotating mounting portion 420 in a one-to-one correspondence. Specifically, the collision rod reset member 600 can also be configured as other suitable elastic members.

[0047] See also Figures 7 to 9 ,as well as Figure 13 and Figure 14 In one embodiment of the present invention, a spring stopper 740 is further provided on the first side mounting plate 700 on the side of the bumper mounting shaft 720 facing away from the cage. One end of the second spring member is hooked on the spring stopper 740, and the other end of the second spring member is hooked on the bumper driving assembly 400. The addition of the spring stopper 740 facilitates the installation of the second spring member on the first side mounting plate 700. Specifically, the second spring member includes but is not limited to a torsion spring, and the rotating mounting portion 420 of the bumper driving assembly 400 is provided with a hooking hole for the other end of the second spring member to pass through.

[0048] See also Figures 7 to 9 ,as well as Figure 13 and Figure 15In one embodiment of the present invention, the safety lock mechanism further includes a second side mounting plate 800. The second side mounting plate 800 is spaced apart from the first side mounting plate 700 and has two connecting holes 806 formed therein. The two connecting holes 806 correspond to the connecting fastening holes 730 of the swing arm mounting shaft 710 and the bumper bar mounting shaft 720, respectively. Fasteners pass through the door frame 100 and the connecting holes 806 in sequence and are fastened to the connecting fastening holes 730, so that the limiting swing arm 500 and the bumper bar driving assembly 400 are mounted between the first side mounting plate 700 and the second side mounting plate 800. A stop block 804 and a stop shaft 805 are provided on the second side mounting plate 800. The addition of the second side mounting plate 800 allows the aforementioned stop block 804 and stop shaft 805 to be integrated into one body, thereby facilitating processing and manufacturing. Specifically, when the first side mounting plate 700 is provided on one of the first slot plate 106 and the second slot plate 107, the second side mounting plate 800 can be provided on the other of the first slot plate 106 and the second slot plate 107. Of course, the present invention is not limited thereto, and the stop block 804 and the stop shaft 805 can also be provided directly on the door frame 100.

[0049] like Figures 7 to 9 ,as well as Figure 16 As shown, in one embodiment of the present invention, the contact rod drive assembly 400 includes a contact rod body and a roller body 431, the contact rod body includes a rotating mounting portion 420 and a roller mounting portion 430, the first end of the rotating mounting portion 420 is rotatably arranged and provided with a stop plate 422, the second end of the rotating mounting portion 420 is extended toward the cage, the roller mounting portion 430 is arranged at the second end of the rotating mounting portion 420 and is extended along a direction perpendicular to the extension of the rotating mounting portion 420, and the roller body 431 is rotatably mounted on the roller mounting portion 430 away from the rotating mounting portion 420 and is used to abut against the contact iron on the cage. By setting the rotating mounting portion 420, the distance between the cage and the door frame 100 can be adapted, and by extending the roller mounting portion 430, the installation position of the contact iron on the cage can be adapted. The addition of the roller body 431 can reduce the friction between the contact iron and the contact iron and facilitate replacement. Furthermore, the rotating mounting portion 420 is provided with a bumper sleeve 421, a stop plate 422, and a roller mounting portion 430 in sequence along the direction of extending toward the cage, and the stop plate 422 can be connected to the bumper sleeve 421. Of course, the present invention is not limited to this, and the bumper drive assembly 400 can also be provided with only the rotating mounting portion 420, and one end of the rotating mounting portion 420 extending toward the cage can abut against the bumper.

[0050] Specifically, when the elevator runs downward and stops at the ground floor, the bumper on the elevator cage runs downward with the cage. When the bumper hits the roller body 431 on the bumper rod driving assembly 400, it drives the bumper rod body to rotate downward around the bumper rod mounting shaft 720 on the first side mounting plate 700. At this time, the stop plate 422 on the bumper rod body is no longer in a horizontal state, and the stopping effect on the limiting rod portion 540 of the limiting rocker rod 500 is removed. At this time, the limiting rocker rod 500 can be rotated in the direction close to the cage under the action of external force. When the double-door assembly is opened, the door limiting shaft 201 on the first double-door 200 follows the rotation and is locked with the telescopic lock tongue 550 in the second locking position. 20 abuts against to push the limit rocker 500 to rotate toward the direction of the cage until it reaches the first unlocking position. At this time, the telescopic lock tongue 520 and the limit rod portion 540 are both in an inclined state, and the door limit shaft 201 can pass smoothly over the telescopic lock tongue 520 to complete the unlocking. At the same time, the telescopic lock tongue 520 is no longer abutted by the door limit shaft 201, so that the limit rocker 500 can be driven to reset and rotate to the first locking position under the action of the rocker reset member 550. When the limit rocker 500 rotates to the first locking position, the shaft-mounted limit portion 511 can abut against the stop block 804 on the second side mounting plate 800 to limit further rotation.

[0051] At the same time, when the double-door assembly is closed, the door limit shaft 201 on the first double-door 200 rotates to pass through the upper end of the telescopic lock tongue 520 and contacts the guide inclined surface 526 at the upper end of the telescopic lock tongue 520. During the rotation process, the telescopic lock tongue 520 is gradually compressed downward so that the lock tongue reset member 530 accumulates elastic potential energy. When the telescopic lock tongue 520 is pressed down to the second unlocking position, the door limit shaft 201 can smoothly pass over the guide inclined surface 526 to enter the side of the telescopic lock tongue 520 away from the cage. After the telescopic lock tongue 520 loses the downward pressure of the door limit shaft 201, the telescopic lock tongue 520 can rise and reset to the first locking position under the drive of the lock tongue reset member 530 to achieve locking of the door limit shaft 201. As a result, when the elevator cage leaves the ground floor, the bumper on the elevator cage moves upward with the cage. At this time, the bumper no longer contacts the roller body 431 on the bumper drive assembly 400. Under the action of the bumper reset member 600, the bumper body drives the bumper body to rotate upward around the bumper mounting shaft 720 on the first side mounting plate 700. When the bumper body rotates to a horizontal state, the stop plate 422 on the bumper body contacts the stop shaft 805 on the second side mounting plate 800, and the bumper body cannot continue to rotate and remains in a horizontal state. At this time, the stop plate 422 is also in a horizontal state, so as to stop the limit rod 540 and limit the rotation of the limit swing arm 500, so that the telescopic lock tongue 520 and the limit rod 540 are stably maintained in a vertical state, the door limit shaft 201 is stably locked, and the double door assembly cannot be opened.

[0052] In addition, the present invention provides an elevator, wherein the elevator includes the above-described elevator double-door fence device. Since the elevator adopts all the technical solutions of the above-mentioned embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above-mentioned embodiments, which will not be described in detail here.

[0053] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "plurality" means at least two, for example, two, three, etc., unless otherwise specifically defined.

[0054] In the present invention, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0055] In the description of this specification, the reference terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0056] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A double door fence device for an elevator, characterized in that: include: A split door assembly comprises a door frame (100) and a first split door (200) and a second split door (300) rotatably mounted on the door frame (100), wherein a door limiting shaft (201) is provided extending from a mounting side of at least one of the first split door (200) and the second split door (300); A safety lock mechanism is provided on the door frame (100) corresponding to the door limit axis (201) and includes a striker drive assembly (400), a lock tongue swing assembly and a striker reset member (600), wherein the lock tongue swing assembly includes a limit swing arm (500), a telescopic lock tongue (520), a swing arm reset member (550) and a lock tongue reset member (530), wherein the limit swing arm (500) is swung and reset from a first unlocking position toward a direction away from the cage to a first locking position through the swing arm reset member (550), wherein the lower end of the limit swing arm (500) is provided with a limit rod portion (540), and the upper end is provided with a telescopic lock tongue (520) for locking the door limit axis (201), wherein the telescopic lock tongue (520) is lifted and lowered and The lock tongue reset member (530) is raised and reset from the second unlocked position to the second locked position, the first end of the contact rod driving assembly (400) is rotated and a stop plate (422) is provided on the side of the limit rod (540) away from the cage, and the second end is extended toward the cage and abuts against the contact iron on the cage, the contact rod driving assembly (400) drives the stop plate (422) to rotate under the abutment of the contact iron to remove the stopping effect on the limit rod (540), and the contact rod reset member (600) drives the contact rod driving assembly (400) to reset when the abutment of the contact iron is lost, so that the stop plate (422) returns to apply a stopping effect to the limit rod (540).

2. The elevator door fence device according to claim 1, characterized in that: The limiting rocker (500) comprises a rocker shaft mounting portion (510) and a limiting rod portion (540). The rocker shaft mounting portion (510) is provided with a rocker mounting hole extending transversely therethrough for rotatably mounting the limiting rocker (500). The reset driving end of the rocker reset member (550) is mounted on the first end of the rocker shaft mounting portion (510) so as to be able to drive the rocker shaft mounting portion (510) to reset from a first unlocked position to a first locked position. The telescopic lock tongue (520) and the limiting rod portion (540) are respectively arranged on the upper and lower sides of the rocker shaft mounting portion (510).

3. The elevator door fence device according to claim 2, characterized in that: The rocker arm reset member (550) is configured as a first spring member, and a first end of the rocker arm shaft mounting portion (510) extends along a portion of the periphery of the rocker arm mounting hole and is provided with a spring hooking portion (512), the spring hooking portion (512) being hooked for the reset driving end of the first spring member; And / or, the second end of the rocker arm shaft mounting portion (510) is provided with a shaft mounting limit portion (511) extending along a portion of the periphery of the rocker arm mounting hole, and the safety lock mechanism further comprises a stop block (804), and the stop block (804) abuts against the shaft mounting limit portion (511) when the rocker arm shaft mounting portion (510) is reset to the first locking position.

4. The elevator double door fence device according to claim 1, characterized in that: The lock tongue rocker assembly further comprises a guide rod (560), the lower end of the guide rod (560) being connected to a side of the limiting rocker rod (500) facing away from the limiting rod portion (540), the telescopic lock tongue (520) being able to be lifted and lowered onto the guide rod (560), and the rocker rod reset member (550) being provided between the limiting rocker rod (500) and the telescopic lock tongue (520).

5. The elevator double door fence device according to claim 4, characterized in that: The guide rod (560) includes a rod body (561) and a rod head (562) provided at the upper end of the rod body (561); the inner cavity of the telescopic lock tongue (520) is provided with a driving cavity (521), a rod-passing cavity (522) and a limiting cavity (523) in sequence from bottom to top; the rod head (562) can be lifted and placed in the limiting cavity (523) and can abut against the bottom wall of the limiting cavity (523); the rod body (561) passes through the rod-passing cavity (522) and the driving cavity (521) in sequence from the limiting cavity (523) so that the lower end is connected to the side of the limiting rocker (500) away from the limiting rod portion (540); the lock tongue reset member (530) is sleeved on the rod body (561) and placed between the limiting rocker (500) and the top wall of the driving cavity (521).

6. The elevator double door fence device according to claim 5, characterized in that: The telescopic lock tongue (520) includes a lock tongue body (524) and a threaded connection sleeve (525), the inner cavity of the threaded connection sleeve (525) vertically penetrates and is configured to include the driving cavity (521), the rod-passing cavity (522) and the limiting cavity (523), and the outer wall of the threaded connection sleeve (525) is provided with a first external thread segment, the lower end of the lock tongue body (524) is sleeved on the threaded connection sleeve (525), and the inner cavity is provided with a first internal thread segment threadedly connected to the first external thread segment; And / or, the lower end of the rod body (561) is detachably threadedly connected to the limiting rocker arm (500).

7. The elevator double door fence device according to any one of claims 1 to 6, characterized in that: A guide inclined surface (526) is formed at the upper end of the telescopic lock tongue (520), and the guide inclined surface (526) is arranged to be inclined upward in the direction along the cage toward the door frame (100); And / or, the safety lock mechanism further includes a stop shaft (805) located on the upper side of the stop plate (422), and the stop shaft (805) abuts against the stop plate (422) when the stop plate (422) returns to apply a stopping effect to the limiting rod (540).

8. The elevator double door fence device according to any one of claims 1 to 6, characterized in that: The safety lock mechanism also includes a first side mounting plate (700), which can be detachably mounted on the door frame (100), and a rocker arm mounting shaft (710) and a bumper arm mounting shaft (720) are spaced apart on the first side mounting plate (700), the limiting rocker arm (500) and the bumper arm driving assembly (400) are respectively mounted on the rocker arm mounting shaft (710) and the bumper arm mounting shaft (720) in a one-to-one correspondence, and the rocker arm mounting shaft (710) and the bumper arm mounting shaft (720) are both provided with a connection fastening hole (730) for fastening with a fastener at one end away from the first side mounting plate (700).

9. The elevator double door fence device according to claim 8, characterized in that: The rocker arm mounting shaft (710) includes a first shaft section (711) and a second shaft section (712) sequentially arranged from the first side mounting plate (700), the shaft diameter of the first shaft section (711) is larger than the shaft diameter of the second shaft section (712), so that a step surface (713) arranged away from the first side mounting plate (700) is formed between the first shaft section (711) and the second shaft section (712), and the connecting fastening hole (730) is provided at one end of the second shaft section (712) away from the first shaft section (711). The reset member (550) and the position-limiting rocker (500) are both sleeved on the second shaft section (712), and the rocker reset member (550) is located between the step surface (713) and the position-limiting rocker (500), and the reset driving end and the fixed end of the rocker reset member (550) are respectively mounted on the position-limiting rocker (500) and the first shaft section (711) in a one-to-one correspondence, and the first shaft section (711) is provided with a mounting plane (714) on the side away from the cage for hooking the fixed end of the rocker reset member (550); And / or, the first end of the collision rod driving assembly (400) is provided with a collision rod sleeve (421) sleeved on the collision rod mounting shaft (720), and the collision rod reset member (600) is configured as a second spring member sleeved on the collision rod sleeve (421), and the two ends of the second spring member are respectively mounted on the first side mounting plate (700) and the collision rod driving assembly (400) in a one-to-one correspondence.

10. The elevator double door fence device according to claim 8, characterized in that: The safety lock mechanism also includes a second side mounting plate (800), which is spaced relative to the first side mounting plate (700) and has two connecting through holes (806). The two connecting through holes (806) are respectively arranged in a one-to-one correspondence with the connecting fastening holes (730) of the rocker arm mounting shaft (710) and the bumper arm mounting shaft (720). The fasteners pass through the door frame (100) and the connecting through holes (806) in sequence and are fastened to the connecting fastening holes (730), so that the limiting rocker arm (500) and the bumper arm driving assembly (400) are installed between the first side mounting plate (700) and the second side mounting plate (800). A stop block (804) and a stop shaft (805) are provided on the first side mounting plate (700).

11. The elevator double door fence device according to any one of claims 1 to 6, characterized in that: The impact rod drive assembly (400) includes a impact rod body (561) and a roller body (431), the impact rod body (561) includes a rotating mounting portion (420) and a roller mounting portion (430), the first end of the rotating mounting portion (420) is rotatably arranged and provided with the stop plate (422), the second end of the rotating mounting portion (420) is extended toward the cage, the roller mounting portion (430) is provided at the second end of the rotating mounting portion (420) and extends along a protruding direction perpendicular to the rotating mounting portion (420), the roller body (431) is rotatably mounted on one end of the roller mounting portion (430) away from the rotating mounting portion (420) and is used to abut against the impact iron on the cage.

12. A lift, characterized in that: The elevator includes a double-door fence device for an elevator according to any one of claims 1 to 11.

Images