Elevator door lock switch and elevator door lock device

Abstract

The present invention relates to the technical field of door lock equipment, and in particular to an elevator door lock switch and an elevator door lock device thereof. An elevator door lock switch comprises a protective cover and a fixed contact assembly, wherein the fixed contact assembly is arranged in the protective cover; the elevator door lock switch also comprises a rotating contact assembly, wherein the rotating contact assembly is rotatably connected to the protective cover, and the rotating contact assembly can rotate relative to the fixed contact assembly so that the rotating contact assembly contacts or disconnects from the fixed contact assembly. The advantage of the present invention is that it is not necessary to set an opening on the protective cover so that the door lock assembly can extend into the protective cover and contact the fixed contact assembly, thereby enhancing the protection level.

Description

Technical Field

[0001] The present invention relates to the technical field of door lock equipment, and in particular to an elevator door lock switch and an elevator door lock device thereof. Background Art

[0002] The elevator door lock switch is used to lock the elevator door when the elevator is not at the leveling position to prevent passengers from falling into the shaft; when the elevator is at the leveling position, it can be unlocked to open the elevator door.

[0003] The protective cover opening of the existing elevator door lock switch is set, and the door lock component can extend into the opening and contact with the fixed contact component to form an electrical circuit. However, such a setting has a low protection level. During installation and debugging or later maintenance, the staff can easily contact the fixed contact component from the opening and get an electric shock, which affects the life safety of the staff. Summary of the invention

[0004] In order to solve the above problems, the present invention provides an elevator door lock switch, and the technical solution is as follows:

[0005] An elevator door lock switch comprises a protective cover and a fixed contact assembly, wherein the fixed contact assembly is arranged in the protective cover; the elevator door lock switch also comprises a rotating contact assembly, wherein the rotating contact assembly is rotatably connected to the protective cover, and the rotating contact assembly can rotate relative to the fixed contact assembly so that the rotating contact assembly contacts or disconnects from the fixed contact assembly.

[0006] With such a configuration, there is no need to set an opening on the protective cover to allow the door lock assembly to extend into the protective cover and contact the fixed contact assembly. The circuit can be turned on or off by controlling the rotation of the rotating contact assembly, which can enhance the protection level and prevent workers from touching the fixed contact assembly at the opening and getting an electric shock.

[0007] In one embodiment, the fixed contact assembly includes a fixed main contact unit and a fixed auxiliary contact unit, and the rotating contact assembly includes a rotating main contact unit and a rotating auxiliary contact unit, the rotating main contact unit and the rotating auxiliary contact unit are respectively rotatably connected to the two ends of the protective cover, the rotating main contact unit is arranged close to the fixed main contact unit and can make or break contact with the fixed main contact unit; the rotating auxiliary contact unit is arranged close to the fixed auxiliary contact unit and can make or break contact with the fixed auxiliary contact unit.

[0008] In this way, the fixed main contact unit and the fixed auxiliary contact unit are integrated into one protective cover, which can reduce the overall volume of the elevator door lock device.

[0009] In one embodiment, the rotating contact assembly includes a rotating contact part and a control part, the rotating contact part is connected to the control part, the rotating contact part is arranged in the protective cover, and the control part is located outside the protective cover, the door lock assembly can contact the control part and push the control part to rotate, and the control part drives the rotating contact part to rotate so that the rotating contact part moves in a direction close to the fixed contact assembly and contacts the fixed contact assembly.

[0010] In one embodiment, the rotating contact assembly further includes a strong breaking part, which is respectively connected to the rotating contact part and the control part. The door lock assembly can push the strong breaking part to rotate and drive the rotating contact part to move in a direction away from the fixed contact assembly.

[0011] With such arrangement, when the rotating contact part and the fixed main contact are adhered, the first strong breaking member rotates to disconnect the rotating contact part and the fixed contact assembly, thereby preventing the switch from short-circuiting.

[0012] In one embodiment, the rotating contact assembly further includes an elastic portion, one end of the elastic portion is connected to the inner wall of the protective cover, and the other end is connected to the rotating contact portion, and the elastic portion has elasticity that enables the rotating contact portion to move in a direction away from the fixed contact assembly.

[0013] With such arrangement, the elastic force of the elastic part can be used to disconnect the rotating main contact part and the fixed contact assembly, thereby avoiding adhesion.

[0014] In one embodiment, the protective cover is connected to a limiting portion, and the limiting portion is used to limit the circumferential rotation of the rotating contact assembly.

[0015] Such an arrangement can limit the rotating contact assembly to a certain position to avoid unlimited rotation.

[0016] In one embodiment, the fixed contact assembly includes a fixed main contact unit and a fixed auxiliary contact unit, and a partition is provided between the fixed main contact unit and the fixed auxiliary contact unit.

[0017] Such an arrangement separates the fixed main contact unit from the fixed auxiliary contact unit to avoid short circuit caused by contact.

[0018] In one embodiment, a plurality of through holes are formed on the wall surface of the protective cover, and the fixed contact assembly is spaced apart from the end surfaces of the through holes facing the interior of the protective cover.

[0019] Such a setting can enhance the protection level to prevent workers from putting their hands into the protective cover and getting electric shock.

[0020] The present invention also provides the following technical solutions:

[0021] An elevator door lock device comprises a door lock assembly and the above-mentioned elevator door lock switch, wherein the door lock assembly can move with the elevator door and control the rotation of the rotating contact assembly.

[0022] In one embodiment, the door lock assembly includes a first door lock unit and a second door lock unit, the rotating contact assembly includes a rotating main contact unit and a rotating auxiliary contact unit, the rotating main contact unit includes a first control member and a first strong break member, the first door lock unit includes a rotating lock hook and a main trigger member, the main trigger member is arranged at one end of the rotating lock hook, and the main trigger member can push the first control member or the first strong break member to rotate as the rotating lock hook rotates; the rotating auxiliary contact unit includes a second control member and a second strong break member, the second door lock unit includes a second hanger and an auxiliary trigger member, the auxiliary trigger member is arranged at one end of the second hanger, and the auxiliary trigger member can push the second control member or the second strong break member to rotate as the second hanger moves.

[0023] This arrangement electrically opens or locks the elevator door.

[0024] Compared with the prior art, the elevator door lock switch provided by the present application has a rotating contact arranged on the protective cover, and the rotating contact assembly can be controlled to rotate by the door lock assembly, so that the rotating contact assembly contacts or disconnects the fixed contact assembly, thereby controlling the conduction or disconnection of the circuit; with such an arrangement, the protective cover does not need to be provided with an opening, and the door lock assembly can be extended into the protective cover, thereby enhancing the protection level and improving the safety of the staff at work. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 A partial structural schematic diagram of the elevator door lock device provided by the present invention;

[0026] Figure 2 A front view of the elevator door lock switch provided by the present invention;

[0027] Figure 3 It is a three-dimensional diagram of an elevator door lock switch;

[0028] Figure 4 is a front view of the first door lock assembly;

[0029] Figure 5 is a three-dimensional diagram of a first door lock assembly;

[0030] Figure 6 It is a structural schematic diagram when the rotating main contact and the fixed main contact, and the rotating auxiliary contact and the fixed auxiliary contact are disconnected;

[0031] Figure 7It is a structural schematic diagram when the rotating main contact and the fixed main contact, and the rotating auxiliary contact and the fixed auxiliary contact are electrically connected;

[0032] Figure 8 A three-dimensional diagram showing the electrical connection between the rotating main contact and the fixed main contact, and between the rotating auxiliary contact and the fixed auxiliary contact;

[0033] Fig. 9 The protective cover, the rotating main contact assembly and the rotating auxiliary contact assembly are three-dimensional. Figure 1 ;

[0034] Fig.10 The protective cover, the rotating main contact assembly and the rotating auxiliary contact assembly are three-dimensional. Figure 2 .

[0035] In the figure, 100, elevator door lock device; 10, elevator door lock switch; 11, base; 12, protective cover; 120, fixed contact assembly; 121, fixed main contact unit; 1211, fixed main contact; 1212, first fixed part; 122, fixed auxiliary contact unit; 1221, fixed auxiliary contact; 1222, second fixed part; 123, partition; 124, through hole; 1241, tool inlet and outlet hole; 1242, wire installation hole; 125, limit part; 1251, first limit piece; 1252, second limit piece; 126, rotating shaft; 130, rotating contact assembly; 1301, control part; 1302, strong breaking part; 1303, elastic part; 1304, rotating contact part; 13, rotating Moving main contact unit; 131, rotating main contact; 132, first control member; 133, first elastic member; 1331, fixed seat; 134, first strong breaking member; 14, rotating auxiliary contact unit; 141, rotating auxiliary contact; 142, second control member; 143, second elastic member; 144, second strong breaking member; 15, fixed lock hook; 20, door lock assembly; 201, first door lock unit; 21, main trigger member; 211, roller; 22, first hanger; 23, first fixed plate; 24, rotating lock hook; 241, first lock hook; 242, fixed wheel; 243, driving wheel; 244, third elastic member; 202, second door lock unit; 25, auxiliary trigger member; 26, second hanger; 30, bottom plate. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] It should be noted that when a component is referred to as being "mounted on" another component, it may be directly mounted on the other component or there may be a central component. When a component is considered to be "set on" another component, it may be directly set on the other component or there may be a central component at the same time. When a component is considered to be "fixed to" another component, it may be directly fixed on the other component or there may be a central component at the same time.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0039] See also Figure 1 The present invention provides an elevator door lock switch 10, which is installed in an elevator door lock device 100 and is used to lock the elevator door when the elevator is not at the leveling position to prevent passengers from falling into the shaft; when the elevator is at the leveling position, it can be unlocked to open the elevator door.

[0040] Specifically, the elevator door lock device 100 includes an elevator door lock switch 10 and a door lock assembly 20. The door lock assembly 20 can move with the door and contact the elevator door lock switch 10 to form an electrical circuit to electrically open or lock the elevator door.

[0041] See also Figure 2 and Figure 3 The elevator door lock switch 10 includes a protective cover 12 and a fixed contact assembly 120, and the fixed contact assembly 120 is arranged in the protective cover 12. The elevator door lock device 100 is provided with a base 11, and the protective cover 12 is fixed on the base 11.

[0042] Preferably, in this embodiment, the fixed contact assembly 120 includes a fixed main contact unit 121 and a fixed auxiliary contact unit 122, and the fixed main contact unit 121 and the fixed auxiliary contact unit 122 can form a loop with other components to electrically control the opening and closing of the elevator door lock. The fixed main contact unit 121 and the fixed auxiliary contact unit 122 are integrated into a protective cover 12, which can simplify the structure and reduce the volume of the entire elevator door lock device 100. In other embodiments, the fixed main contact unit 121 or the fixed auxiliary contact unit 122 may not be integrated into a protective cover 12, that is, the fixed contact assembly 120 located in the protective cover 12 may also include only the fixed auxiliary contact unit 122 or the fixed main contact unit 121.

[0043] A partition 123 is provided between the fixed main contact unit 121 and the fixed auxiliary contact unit 122 , and the partition 123 separates the fixed main contact unit 121 from the fixed auxiliary contact unit 122 to prevent the fixed main contact unit 121 and the fixed auxiliary contact unit 122 from contacting and causing a short circuit.

[0044] The fixed main contact unit 121 includes a fixed main contact 1211 and a first fixing portion 1212 . The fixed main contact 1211 is fixed in the protective cover 12 via the first fixing portion 1212 .

[0045] The fixed auxiliary contact unit 122 includes a fixed auxiliary contact 1221 and a second fixing portion 1222 . The fixed auxiliary contact 1221 is fixed in the protective cover 12 via the second fixing portion 1222 .

[0046] In this embodiment, the first fixing portion 1212 and the second fixing portion 1222 are both screws, and the fixed main contact 1211 and the fixed auxiliary contact 1221 are both fixed by screws. In other embodiments, the fixed main contact 1211 and the fixed auxiliary contact 1221 can also be fixed by snap-fitting or other methods.

[0047] See also Fig. 9 and Fig.10 A plurality of through holes 124 are provided on the wall of the protective cover 12, and the fixed main contacts 1211 and the fixed auxiliary contacts 1221 are spaced apart from the end faces of the through holes 124 close to the inside of the protective cover 12, so as to enhance the protection level of the protective cover 12, to prevent the staff from putting their hands into the protective cover 12 and getting an electric shock, thereby improving the protection level.

[0048] In this embodiment, there are two fixed auxiliary contact units 122 and two fixed main contact units 121. Of course, in other embodiments, the number of fixed auxiliary contact units 122 and fixed main contact units 121 can be adjusted according to specific circumstances, and the present invention is not limited to this.

[0049] The through hole 124 includes a tool entry and exit hole 1241 and a wire installation hole 1242. The tool entry and exit hole 1241 is used for inserting or extending a tool to install the first fixing portion 1212 and the second fixing portion 1222. The wire installation hole 1242 is used for passing a wire, and the wire is electrically connected to the fixed main contact 1211 and the fixed auxiliary contact 1221 respectively.

[0050] See also Figures 6 to 8The elevator door lock switch 10 also includes a rotating contact assembly 130, which is rotatably connected to the protective cover 12. The rotating contact assembly 130 can rotate to contact the fixed contact assembly 120 or disconnect the contact. When the rotating contact assembly 130 contacts the fixed contact assembly 120, the door lock assembly 20 can contact the rotating contact assembly 130 and form an electrical circuit. It can be understood that, in this configuration, it is not necessary to set an opening on the protective cover 12 so that the door lock assembly 20 extends into the protective cover 12 and contacts the fixed contact assembly 120, which can enhance the protection level. The staff will not touch the fixed contact assembly 120 at the opening and get an electric shock, so that the protection level of the elevator door lock switch 10 is not lower than IP2X.

[0051] The rotating contact assembly 130 includes a rotating contact part 1304 and a control part 1301. The rotating contact part 1304 is connected to the control part 1301. The rotating contact part 1304 is arranged in the protective cover 12, and the control part 1301 is located outside the protective cover 12. The door lock assembly 20 can contact the control part 1301 and push the control part 1301 to rotate, thereby driving the rotating contact part 1304 to rotate, so that the rotating contact part 1304 moves in a direction close to the fixed contact assembly 120 and contacts the fixed contact assembly 120.

[0052] The rotating contact assembly 130 further includes a strong breaking part 1302, which is connected to the rotating contact part 1304 and the control part 1301 respectively. The door lock assembly 20 can push the strong breaking part 1302 to rotate, and the strong breaking part 1302 drives the rotating contact part 1304 to move in a direction away from the fixed contact assembly 120. When the rotating contact part 1304 is connected to the fixed contact assembly 120, adhesion occurs, that is, the rotating contact part 1304 cannot be disconnected from the fixed contact assembly 120 by gravity, and the door lock assembly 20 pushes the strong breaking part 1302 to rotate, so that the rotating contact assembly 130 is separated from the fixed contact assembly 120.

[0053] The rotating contact assembly 130 further includes an elastic portion 1303, one end of the elastic portion 1303 is connected to the inner wall of the protective cover 12, and the other end is connected to the rotating contact portion 1304. The elasticity of the elastic portion 1303 can make the rotating contact portion 1304 move in a direction away from the fixed contact assembly 120. The elastic force of the elastic portion 1303 can make the rotating contact assembly 130 move in a direction away from the fixed contact assembly 120, so that the rotating contact assembly 130 and the fixed contact assembly 120 are disconnected, and the rotating contact portion 1304 and the fixed contact assembly 120 are further prevented from being adhered.

[0054] The protective cover 12 is connected to a limiting portion 125, which is used to limit the circumferential rotation of the rotating contact assembly 130. The limiting portion 125 is used to limit the rotating contact assembly 130 to a certain position. The limiting portion 125 can be set inside the protective cover 12 or outside the protective cover 12, as long as it can abut against the rotating contact assembly 130 and limit the rotating contact assembly 130 from unlimited rotation.

[0055] In this embodiment, the rotating contact assembly 130 includes a rotating main contact unit 13 and a rotating auxiliary contact unit 14, and the rotating main contact unit 13 and the rotating auxiliary contact unit 14 are respectively rotatably connected to the protective cover 12. The protective cover 12 is provided with a rotating shaft 126, and the rotating main contact unit 13 and the rotating auxiliary contact unit 14 are rotatably connected to the protective cover 12 through the rotating shaft 126. The rotating main contact unit 13 and the rotating auxiliary contact unit 14 are also rotatably connected to the protective cover 12 through a bearing.

[0056] The rotating main contact unit 13 includes a rotating main contact 131 and a first control member 132, that is, the control unit 1301 includes the first control member 132, the rotating main contact 131 is arranged in the protective cover 12, and the first control member 132 is located outside the protective cover 12. The door lock assembly 20 includes a first door lock unit 201, the first door lock unit 201 can move with one of the elevator doors, the first door lock unit 201 includes a main trigger member 21 and a rotating lock hook 24, the main trigger member 21 is arranged at one end of the rotating lock hook 24, the main trigger member 21 can contact the first control member 132 with the movement of the rotating lock hook 24, and push the first control member 132 to rotate, so that the rotating main contact 131 moves toward the direction close to the fixed main contact 1211 and contacts the fixed main contact 1211. When the main trigger 21 is not in contact with the first control member 132 , the rotating main contact 131 is separated from the fixed main contact 1211 due to gravity. When the main trigger 21 pushes the first control member 132 to rotate, the rotating main contact 131 contacts and is electrically connected to the fixed main contact 1211 .

[0057] A roller 211 is provided at one end of the main trigger member 21. When the rotating main contact 131 needs to be connected to the fixed main contact 1211, the roller 211 of the main trigger member 21 abuts against the upper end surface of the first control member 132, and the first control member 132 is pushed to rotate by gravity, thereby driving the rotating main contact 131 to rotate. The roller 211 can reduce the friction between the main trigger member 21 and the first control member 132.

[0058] The elastic portion 1303 includes a first elastic member 133, one end of the first elastic member 133 is connected to the inner wall of the protective cover 12, and the other end is connected to the rotating main contact 131. The elastic force of the first elastic member 133 can cause the rotating main contact 131 to move in a direction away from the fixed main contact 1211, thereby disconnecting the rotating main contact 131 and the fixed main contact 1211.

[0059] The rotating main contact unit 13 includes a first strong breaking piece 134, that is, the strong breaking part 1302 includes the first strong breaking piece 134, the first strong breaking piece 134 is connected to the rotating main contact 131 and the first control member 132 respectively, the first door lock unit 201 can rotate and drive the main trigger member 21 to rotate, so that the main trigger member 21 pushes the first strong breaking piece 134 to rotate, and the first strong breaking piece 134 rotates and drives the rotating main contact 131 to move in a direction away from the fixed main contact 1211. It can be understood that when the rotating main contact 131 is connected to the fixed main contact 1211, adhesion occurs, that is, the rotating main contact 131 cannot be disconnected from the fixed main contact 1211 by gravity, and the main trigger member 21 pushes the first strong breaking piece 134 to rotate, so that the rotating main contact 131 is disconnected from the fixed main contact 1211.

[0060] The limiting portion 125 includes a first limiting member 1251, which is used to limit the rotation of the rotating main contact unit 13. Further, the first limiting member 1251 is used to limit the movement of the rotating main contact unit 13 away from the fixed main contact unit 121. That is, the first limiting member 1251 can limit the rotating main contact unit 13 to a certain position to prevent the rotating main contact unit 13 from rotating without limit.

[0061] In this embodiment, the first limiter 1251 is a limiter shaft, which is arranged in the protective cover 12 near the bottom of the protective cover 12, and the rotating main contact 131 can abut against the limiter shaft during the rotation process. In other embodiments, the first limiter 1251 can also be arranged on the outer wall of the protective cover 12, and the rotation of the rotating main contact unit 13 is limited by abutting against the first strong breaking member 134 or the first control member 132.

[0062] The rotating auxiliary contact unit 14 includes a rotating auxiliary contact 141 and a second control member 142, that is, the control unit 1301 also includes the second control member 142, the rotating auxiliary contact 141 is connected to the second control member 142, the rotating auxiliary contact 141 is arranged in the protective cover 12, and the second control member 142 is located outside the protective cover 12. The door lock assembly 20 also includes a second door lock unit 202, the second door lock unit 202 can move with another elevator door, the second door lock unit 202 includes an auxiliary trigger member 25 and a second hanger 26, the auxiliary trigger member 25 is arranged at one end of the second hanger 26, and the auxiliary trigger member 25 can push the second control member 142 to rotate as the second hanger 26 moves, so that the rotating auxiliary contact 141 moves toward the direction close to the fixed auxiliary contact 1221 and contacts the fixed auxiliary contact 1221. When the auxiliary trigger member 25 is not in contact with the second control member 142 , the rotating auxiliary contact 141 is separated from the fixed main contact 1211 due to gravity. When the auxiliary trigger member 25 pushes the second control member 142 to rotate, the rotating auxiliary contact 141 contacts and is electrically connected to the fixed auxiliary contact 1221 .

[0063] The rotating auxiliary contact unit 14 also includes a second elastic member 143, that is, the elastic part 1303 also includes a second elastic member 143, one end of the second elastic member 143 is connected to the inner wall of the protective cover 12, and the other end is connected to the rotating auxiliary contact 141, and the elastic force of the second elastic member 143 can make the rotating auxiliary contact 141 move in a direction away from the fixed auxiliary contact 1221, thereby disconnecting the rotating auxiliary contact 141 and the fixed auxiliary contact 1221.

[0064] A fixing seat 1331 is disposed at one end of the second elastic member 143 and the first elastic member 133 . The second elastic member 143 and the first elastic member 133 are fixed to the inner wall of the protective cover 12 through the fixing seat 1331 .

[0065] The rotating auxiliary contact unit 14 further includes a second strong breaking piece 144, that is, the strong breaking part 1302 further includes a second strong breaking piece 144, the second strong breaking piece 144 is respectively connected to the rotating auxiliary contact 141 and the second control member 142, the second hanger 26 can rotate and drive the auxiliary trigger member 25 to rotate, so that the auxiliary trigger member 25 pushes the second strong breaking piece 144 to rotate, and the second strong breaking piece 144 rotates and drives the rotating auxiliary contact 141 to move in a direction away from the fixed auxiliary contact 1221. It can be understood that when the rotating auxiliary contact 141 is connected to the fixed auxiliary contact 1221, adhesion occurs, that is, the rotating auxiliary contact 141 cannot be disconnected from the fixed auxiliary contact 1221 by gravity and the elastic force of the second elastic member 143, and the second strong breaking piece 144 is pushed to rotate by the auxiliary trigger member 25, so that the rotating auxiliary contact 141 is disconnected from the fixed auxiliary contact 1221.

[0066] The second strong breaking member 144 and the second control member 142 are both provided with a roller 211 at one end, and the auxiliary trigger member 25 is a slide plate. When the rotating auxiliary contact 141 needs to be connected with the fixed auxiliary contact 1221, the slide plate moves toward the direction close to the protective cover 12 and contacts with the roller 211 of the second control member 142, and the slide plate pushes the second control member 142 to rotate; when the slide plate moves toward the direction away from the protective cover 12, the rotating auxiliary contact 141 is disconnected from the fixed auxiliary contact 1221. If the rotating auxiliary contact 141 and the fixed auxiliary contact 1221 are adhered, the slide plate contacts the roller 211 of the second strong breaking member 144, and the second strong breaking member 144 rotates to disconnect the rotating auxiliary contact 141 from the fixed auxiliary contact 1221. The roller 211 of the second strong breaking member 144 can reduce the friction between the auxiliary trigger member 25 and the second control member 142.

[0067] The protective cover 12 is connected to a second limit member 1252, that is, the limit portion 125 also includes a second limit member 1252, and the second limit member 1252 is used to limit the rotation of the rotating auxiliary contact unit 14. Further, the second limit member 1252 is used to limit the movement of the rotating auxiliary contact 141 away from the fixed auxiliary contact 1221, that is, the second limit member 1252 can limit the rotating auxiliary contact unit 14 to a certain position to prevent the rotating auxiliary contact unit 14 from rotating unlimitedly.

[0068] In this embodiment, the second stopper 1252 is a stopper shaft, which is arranged in the protective cover 12 near the bottom of the protective cover 12, and the rotating auxiliary contact 141 can abut against the stopper shaft during the rotation process. In other embodiments, the second stopper 1252 can also be arranged on the outer wall of the protective cover 12, and the rotation of the rotating auxiliary contact 141 assembly can be limited by abutting against the second strong breaking member 144 or the second control member 142.

[0069] The rotating main contact 131 and the fixed main contact 1211 are in a flap-type contact, and the rotating auxiliary contact 141 and the fixed auxiliary contact 1221 are in a flap-type contact. The contact area is large, which avoids poor contact caused by dust accumulation, thereby improving the reliability of contact.

[0070] See also Figure 1 The present invention also provides an elevator door lock device 100, including a door lock assembly 20 and the above-mentioned elevator door lock switch 10, the door lock assembly 20 can move with the elevator door and contact with the rotating contact assembly 130 and control the rotation of the rotating contact assembly 130.

[0071] The door lock assembly 20 includes a first door lock unit 201 and a second door lock unit 202. The structures of the first door lock unit 201 and the second door lock unit 202 are consistent with the structures of the first door lock unit 201 and the second door lock unit 202 described above, and the repeated parts are not repeated.

[0072] See also Figure 3 A fixed lock hook 15 is provided on the base 11 , and the fixed lock hook 15 is fixed on the base 11 . The fixed lock hook 15 is in a “√” shape and is used to lock the first door lock unit 201 .

[0073] See also Figure 4 and Figure 5 The first door lock unit 201 also includes a first hanger 22 and a first fixing plate 23 . The first fixing plate 23 is disposed on the first hanger 22 , and the rotating lock hook 24 is connected to the first fixing plate 23 .

[0074] The rotating lock hook 24 includes a first lock hook 241, a fixed wheel 242 and a driving wheel 243. The first lock hook 241 is installed on the first fixed plate 23 through the wheel axle of the fixed wheel 242. The first lock hook 241 can rotate around the wheel axle of the fixed wheel 242. The driving wheel 243 is installed on the first lock hook 241 to drive the first lock hook 241 to rotate. The main trigger 21 is arranged at one end of the first lock hook 241. By hooking the driving wheel 243 with a door knife, the first lock hook 241 can rotate around the wheel axle of the fixed wheel 242.

[0075] A third elastic member 244 is provided between the first locking hook 241 and the first fixed plate 23. When the first locking hook 241 and the fixed locking hook 15 are engaged with each other, the third elastic member 244 is in a compressed state. The compression force of the third elastic member 244 can drive the first locking hook 241 and the fixed locking hook 15 to lock tightly, while ensuring that the rotating main contact 131 rotates the main contact unit 13 and the main trigger member 21 in close contact, which is safe and reliable.

[0076] When the first lock hook 241 rotates to make the first lock hook 241 engage with the fixed lock hook 15, and the rotating main contact 131 is electrically connected to the fixed main contact 1211, the gravity of the first lock hook 241 can make the locking state of the first lock hook 241 and the fixed lock hook 15 more stable and firm; and when the first lock hook 241 and the fixed lock hook 15 need to be separated, for example, under the action of the door knife of the elevator, the driving wheel 243 can drive the first lock hook 241 to rotate, and the third elastic member 244 is in a further compressed state; when the door knife of the elevator does not act on the driving wheel 243, the driving wheel 243 no longer drives the first lock hook 241 to rotate. At this time, the restoring deformation force of the third elastic member 244 and the gravity of the first lock hook 241 can make the first lock hook 241 rotate in the opposite direction, so that the first lock hook 241 is locked with the fixed lock hook 15.

[0077] The elevator door lock device 100 further includes a bottom plate 30 , the base 11 is fixed on the bottom plate 30 , and the first hanger 22 and the second hanger 26 can move relative to the bottom plate 30 .

[0078] The specific working principle is as follows:

[0079] The elevator door opens: the second hanger 26 moves in the direction away from the protective cover 12, the auxiliary trigger member 25 disengages from the rotating auxiliary contact unit 14, and the rotating auxiliary contact 141 is disconnected from the fixed auxiliary contact 1221; and, driven by the first lock hook 241, the main trigger member 21 rotates around the fixed wheel 242 to disconnect the rotating main contact 131 and the fixed main contact 1211, and at the same time, the first lock hook 241 is unlocked from the fixed lock hook 15; then the first hanger 22 drives the first lock hook 241 to move in the direction away from the protective cover 12.

[0080] The elevator door is closed: the first hanger 22 and the second hanger 26 move toward the direction close to the protective cover 12. Driven by the first hanger 22, the main trigger member 21 moves toward the direction close to the rotating main contact unit 13 and abuts against the first control member 132. The gravity of the main trigger member 21 pushes the first control member 132 to rotate, and the first control member 132 drives the rotating main contact 131 to rotate, so that the rotating main contact 131 contacts the fixed main contact 1211; at this time, the first lock hook 241 is engaged with the fixed lock hook 15 under the action of gravity; the second hanger 26 drives the auxiliary trigger member 25 to move toward the direction close to the rotating auxiliary contact unit 14, and during the movement, the slide plate contacts the second control member 142 and drives the second control member 142 to rotate, thereby driving the rotating auxiliary contact 141 to rotate, and the rotating auxiliary contact 141 contacts the fixed auxiliary contact 1221, and the circuit is turned on.

[0081] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0082] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. An elevator door lock device, comprising a door lock assembly (20) and an elevator door lock switch, wherein the elevator door lock switch comprises a protective cover (12) and a fixed contact assembly (120), wherein the fixed contact assembly (120) is arranged in the protective cover (12); It is characterized in that The elevator door lock switch further comprises a rotating contact assembly (130), the rotating contact assembly (130) being rotatably connected to the protective cover (12), the rotating contact assembly (130) being capable of rotating relative to the fixed contact assembly (120) so that the rotating contact assembly (130) is in contact with or disconnected from the fixed contact assembly (120); the door lock assembly (20) is capable of moving with the elevator door and controlling the rotation of the rotating contact assembly (130); The fixed contact assembly (120) comprises a fixed main contact unit (121) and a fixed auxiliary contact unit (122); the rotating contact assembly (130) comprises a rotating main contact unit (13) and a rotating auxiliary contact unit (14); the rotating main contact unit (13) and the rotating auxiliary contact unit (14) are respectively rotatably connected to two ends of the protective cover (12); The fixed auxiliary contact unit (122) comprises a fixed auxiliary contact (1221); the rotating auxiliary contact unit (14) comprises a rotating auxiliary contact (141), a second control member (142) and a second strong breaking member (144); the door lock assembly (20) comprises a second door lock unit (202); the second door lock unit (202) comprises a second hanger (26) and an auxiliary trigger member (25); the auxiliary trigger member (25) is arranged at one end of the second hanger (26); the auxiliary trigger member (25) can push the second control member (142) or the second strong breaking member (144) to rotate as the second hanger (26) moves; The auxiliary trigger member (25) is a slide plate, and the auxiliary trigger member (25) extends along the moving direction of the second hanger (26), and comprises a plane section and an inclined section, and the inclined section is connected to both ends of the plane section and extends downwardly inclined, and one end of the second strong breaking member (144) and the second control member (142) are both provided with a roller, and the auxiliary trigger member (25) pushes the second control member (142) or the second strong breaking member (144) to rotate by contacting with the roller; the second control member (142) is located at the rotating auxiliary contact (141 ) and the second strong breaking piece (144), when the fixed auxiliary contact (1221) and the rotating auxiliary contact (141) are disconnected, the lowest point of the roller of the second control piece (142) is lower than the plane section, and the lowest point of the roller of the second strong breaking piece (144) is higher than the plane section; when the fixed auxiliary contact (1221) and the rotating auxiliary contact (141) are closed, the lowest point of the roller of the second strong breaking piece (144) is lower than the plane section, and the roller of the second control piece (142) abuts against the plane section.

2. The elevator door lock device according to claim 1, characterized in that: The rotating main contact unit (13) is arranged close to the fixed main contact unit (121) and can make contact with or break contact with the fixed main contact unit (121); the rotating auxiliary contact unit (14) is arranged close to the fixed auxiliary contact unit (122) and can make contact with or break contact with the fixed auxiliary contact unit (122).

3. The elevator door lock device according to claim 1, characterized in that: The rotating contact assembly (130) includes a rotating contact part (1304) and a control part (1301), wherein the rotating contact part (1304) is connected to the control part (1301), the rotating contact part (1304) is arranged in the protective cover (12), and the control part (1301) is located outside the protective cover (12), the door lock assembly (20) can contact the control part (1301) and push the control part (1301) to rotate, and the control part (1301) drives the rotating contact part (1304) to rotate, so that the rotating contact part (1304) moves in a direction close to the fixed contact assembly (120) and contacts the fixed contact assembly (120).

4. The elevator door lock device according to claim 3, characterized in that: The rotating contact assembly (130) also includes a strong breaking part (1302), which is respectively connected to the rotating contact part (1304) and the control part (1301), and the door lock assembly (20) can push the strong breaking part (1302) to rotate and drive the rotating contact part (1304) to move in a direction away from the fixed contact assembly (120).

5. The elevator door lock device according to claim 3, characterized in that: The rotating contact assembly (130) further comprises an elastic portion (1303), one end of the elastic portion (1303) being connected to the inner wall of the protective cover (12), and the other end being connected to the rotating contact portion (1304), and the elastic portion (1303) being elastic enough to enable the rotating contact portion (1304) to move in a direction away from the fixed contact assembly (120).

6. The elevator door lock device according to claim 1, characterized in that: The protective cover (12) is connected to a limiting portion (125), and the limiting portion (125) is used to limit the circumferential rotation of the rotating contact assembly (130).

7. The elevator door lock device according to claim 1, characterized in that: A partition plate (123) is provided between the fixed main contact unit (121) and the fixed auxiliary contact unit (122).

8. The elevator door lock device according to claim 1, characterized in that: A plurality of through holes (124) are provided on the wall surface of the protective cover (12), and the fixed contact assembly (120) is spaced apart from the end surface of the through hole (124) facing the interior of the protective cover (12).

9. The elevator door lock device according to claim 1, characterized in that: The door lock assembly (20) further comprises a first door lock unit (201), the rotating main contact unit (13) comprises a first control member (132) and a first strong breaking member (134), the first door lock unit (201) comprises a rotating lock hook (24) and a main trigger member (21), the main trigger member (21) is arranged at one end of the rotating lock hook (24), and the main trigger member (21) can push the first control member (132) or the first strong breaking member (134) to rotate as the rotating lock hook (24) rotates.

Images