Elevator car door knife

Abstract

The utility model discloses an elevator car door vane which comprises a door vane main plate, an external connecting column and a limiting block are sequentially and fixedly arranged at the top of one side of the door vane main plate, one side of the limiting block is in threaded connection with a connecting screw, and a first arc-shaped clamping groove and a second arc-shaped clamping groove are sequentially formed in the middle of one side of the door vane main plate. The first arc-shaped clamping groove is internally connected with a connecting clamping piece in a clamped mode, one end of the connecting clamping piece is fixedly connected with a main unlocking plate connecting piece, the two ends of one side of the main unlocking plate connecting piece are fixedly connected with door vane connecting rods, and the middle of one side of the main unlocking plate connecting piece is rotationally connected with a first hexagonal cylinder head. The back face of the door knife main board is unlocked through the unlocking hook, the unlocking process of a plurality of assemblies is simplified, the situation that when the assemblies are unlocked, sticking point faults are prone to occurring is avoided, meanwhile, the unlocked assemblies are installed on the back face of the door knife main board, the door knife is simpler than the door knife main board installed on the front face traditionally, and the use efficiency of equipment can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of elevator door knives, in particular to an elevator car door knife. Background Art

[0002] The elevator door knife, also known as the elevator door machine, is the opening and closing device of the elevator car door. It is mainly responsible for opening and closing the elevator hall car door. When it receives the elevator door opening and closing signal, the elevator door machine controls the door opening motor through its own control system, converting the torque generated by the motor into a force in a specific direction to close or open the door.

[0003] Traditional elevator door knives have the following defects:

[0004] (1) Because the traditional elevator car door knife requires multiple components to cooperate in unlocking, the components will be inconsistent over a long period of time, causing stuck points and failures;

[0005] (2) When using a traditional elevator car door knife, the main unlocking component and the door knife connecting rod are installed on the front at the same time, which causes errors during long-term use and causes the equipment to loosen. Utility Model Content

[0006] The purpose of the utility model is to provide an elevator car door knife to solve the problem raised in the above background technology that the traditional elevator car door knife requires multiple components to cooperate in unlocking, which will cause the components to be disconnected for a long time and cause card point failure; when using the traditional elevator car door knife, the main unlocking component and the door knife connecting rod are installed on the front at the same time, which will cause errors in long-term use and cause the equipment to loosen.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an elevator car door knife, comprising a door knife main board, the top of one side of the door knife main board is fixedly provided with an external connecting column and a limit block in sequence, the surface of the external connecting column is movably connected with the external connecting column fixing block, one side of the limit block is threadedly connected with a connecting screw, the middle part of one side of the door knife main board is sequentially provided with a first arc-shaped slot and a second arc-shaped slot, a connecting clamp is clamped and connected in the first arc-shaped slot, one end of the connecting clamp is fixedly connected with a main unlocking plate connecting piece, both ends of one side of the main unlocking plate connecting piece are fixedly connected with a door knife connecting rod, the middle part of one side of the main unlocking plate connecting piece is rotatably connected with a first hexagonal cylindrical head, the other side of the first hexagonal cylindrical head is fixedly connected with a remote rod connecting piece through the main unlocking plate connecting piece, the other end of the connecting clamp is clamped and connected with an unlocking hook through the remote rod connecting piece, and one side of the back side of the door knife main board is rotatably connected with a lock hook plate located on one side of the unlocking hook, and the lock hook plate is used for unlocking.

[0008] Preferably, a fixing block is fixedly provided at the bottom of one side of the door knife main board, one end of the fixing block passes through the door knife main board and is rotatably connected to a second hexagonal cylindrical head, and the second hexagonal cylindrical head is used to install an auxiliary unlocking plate connecting piece.

[0009] Preferably, an auxiliary unlocking plate connecting piece is fixedly connected to one side of the second hexagonal cylindrical head, and both ends of one side of the auxiliary unlocking plate connecting piece are rotatably connected to one end of two door knife connecting rods respectively, and the auxiliary unlocking plate connecting piece is used for using the door knife connecting rod.

[0010] Preferably, a plurality of mounting holes are provided on one side of the door knife main board, and the mounting holes are used for mounting the door knife main board.

[0011] Preferably, a connection column is fixedly connected to one side of one end of the remote rod connecting piece, and the connection column is used to connect to an external object.

[0012] Preferably, a clamping block is fixedly provided at one end of one side of the lock hook plate, and a surface of the clamping block contacts one side of an unlocking hook, and the unlocking hook is used to connect the remote lever connector and the lock hook plate.

[0013] Preferably, a plurality of weight-reducing holes are provided on one side of the lock hook plate, and the weight-reducing holes are used to reduce the weight of the lock hook plate.

[0014] Preferably, tension springs are connected between the door knife main board and the lock hook plate and between the external connecting column fixing block and the remote rod connecting piece. The tension springs apply tension to the lock hook plate and the external connecting column for resetting the lock hook plate and the external connecting column fixing block.

[0015] Compared with the prior art, the beneficial effects of the utility model are: an unlocking hook is used on the back of the door knife main board for unlocking, which simplifies the process of unlocking multiple components and avoids stuck points when unlocking the components. At the same time, the unlocking component is installed on the back of the door knife main board, which is much simpler than the traditional installation on the front, and can improve the efficiency of equipment use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a rear view of the utility model;

[0017] Figure 2 The three-dimensional Figure 1 ;

[0018] Figure 3 The three-dimensional Figure 2 ;

[0019] Figure 4 It is a front view of the utility model.

[0020] In the figure: 1. Door knife main board; 2. Main unlocking plate connecting piece; 3. First hexagonal cylindrical head; 4. Door knife connecting rod; 5. Auxiliary unlocking plate connecting piece; 6. Second hexagonal cylindrical head; 7. Mounting hole; 8. Remote lever connecting piece; 9. Unlocking hook; 10. Block; 11. Lock hook plate; 12. External connecting column; 13. Connecting column; 14. Fixed block; 15. First arc-shaped slot; 16. Second arc-shaped slot; 17. Limit block; 18. Connecting screw; 19. Weight reduction hole; 20. Connecting card; 21. Tension spring; 22. External connecting column fixing block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides an elevator car door knife, including a door knife main board 1, the top of one side of the door knife main board 1 is fixedly provided with an external connecting column 12 and a limit block 17 in sequence, the surface of the external connecting column 12 is movably connected with the external connecting column fixing block 22, and one side of the limit block 17 is threadedly connected with a connecting screw 18, a first arc-shaped card slot 15 and a second arc-shaped card slot 16 are sequentially opened in the middle of one side of the door knife main board 1, a connecting card 20 is engaged and connected in the first arc-shaped card slot 15, one end of the connecting card 20 is fixedly connected with a main unlocking plate connecting member 2, both ends of one side of the main unlocking plate connecting member 2 are fixedly connected with a door knife connecting rod 4, a first hexagonal cylindrical head 3 is rotatably connected to the middle part of one side of the main unlocking plate connecting member 2, the other side of the first hexagonal cylindrical head 3 passes through the main unlocking plate connecting member 2 and is fixedly connected with a remote rod connecting member 8, the other end of the connecting card 20 passes through the remote rod connecting member 8 and is engaged and connected with an unlocking hook 9, and one side of the back side of the door knife main board 1 is rotatably connected with a lock hook plate 11 located on one side of the unlocking hook 9.

[0023] When in use, the other end of the connecting card 20 passes through the remote rod connecting piece 8 and is connected to the unlocking hook 9, and when unlocking, the unlocking hook 9 is controlled to open the device.

[0024] A fixing block 14 is fixedly arranged at the bottom of one side of the door knife main board 1, one end of the fixing block 14 passes through the door knife main board 1 and is rotatably connected to a second hexagonal cylindrical head 6, one side of the second hexagonal cylindrical head 6 is fixedly connected to an auxiliary unlocking plate connecting piece 5, and both ends of one side of the auxiliary unlocking plate connecting piece 5 are rotatably connected to one end of the two door knife connecting rods 4 respectively, and a plurality of mounting holes 7 are opened on one side of the door knife main board 1.

[0025] When in use, a plurality of mounting holes 7 are provided on one side of the door knife main board 1 , and the door knife main board 1 is installed through the mounting holes 7 .

[0026] A connecting column 13 is fixedly connected to one side of one end of the remote lever connector 8, a blocking block 10 is fixedly provided at one end of one side of the lock hook plate 11, the surface of the blocking block 10 contacts one side of the unlocking hook 9, a plurality of weight-reducing holes 19 are opened on one side of the lock hook plate 11, and tension springs 21 are connected between the door knife main board 1 and the lock hook plate 11 and between the external connecting column fixing block 22 and the remote lever connector 8.

[0027] When in use, the door knife main board 1 and the lock hook board 11 are both provided with a tension spring 21, and the spring is installed through the tension spring 21.

[0028] During specific use, the utility model provides an elevator car door knife. When using the elevator car door knife, the door knife main board 1 is installed through the installation hole 7, and the unlocking hook 9 is used to unlock the back of the door knife main board 1, which simplifies the unlocking process of multiple components and avoids the jamming point failure when unlocking the components. When unlocking, the unlocking hook 9 is controlled to open the device. At the same time, the unlocking component is installed on the back of the door knife main board 1, which is much simpler than the traditional installation on the front, and can improve the efficiency of equipment use. This is the use process of the elevator car door knife.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An elevator car door knife, comprising a door knife main board (1), characterized in that: An external connecting column (12) and a limit block (17) are fixedly arranged on the top of one side of the door knife main board (1), and the surface of the external connecting column (12) is movably connected with an external connecting column fixing block (22), and one side of the limit block (17) is threadedly connected with a connecting screw (18), and a first arc-shaped card slot (15) and a second arc-shaped card slot (16) are sequentially opened in the middle of one side of the door knife main board (1), and a connecting card (20) is engaged and connected in the first arc-shaped card slot (15), and one end of the connecting card (20) is fixedly connected to the main unlocking plate A connecting member (2), both ends of one side of the main unlocking plate connecting member (2) are fixedly connected to a door knife connecting rod (4), the middle part of one side of the main unlocking plate connecting member (2) is rotatably connected to a first hexagonal cylindrical head (3), the other side of the first hexagonal cylindrical head (3) passes through the main unlocking plate connecting member (2) and is fixedly connected to a remote rod connecting member (8), the other end of the connecting clamp (20) passes through the remote rod connecting member (8) and is engaged with an unlocking hook (9), and one side of the back side of the door knife main board (1) is rotatably connected to a lock hook plate (11) located on one side of the unlocking hook (9).

2. The elevator door knife according to claim 1, characterized in that: A fixing block (14) is fixedly arranged at the bottom of one side of the door knife main board (1), and one end of the fixing block (14) passes through the door knife main board (1) and is rotatably connected to a second hexagonal cylindrical head (6).

3. The elevator car door knife according to claim 2, characterized in that: An auxiliary unlocking plate connecting member (5) is fixedly connected to one side of the second hexagonal cylindrical head (6), and two ends of one side of the auxiliary unlocking plate connecting member (5) are rotatably connected to one end of two door knife connecting rods (4) respectively.

4. The elevator car door knife according to claim 1, characterized in that: A plurality of mounting holes (7) are provided on one side of the door knife main board (1).

5. The elevator door knife according to claim 1, characterized in that: A connection post (13) is fixedly connected to one side of one end of the remote lever connecting piece (8).

6. The elevator car door knife according to claim 1, characterized in that: A clamping block (10) is fixedly provided at one end of one side of the lock hook plate (11), and a surface of the clamping block (10) contacts one side of the unlocking hook (9).

7. The elevator door knife according to claim 1, characterized in that: A plurality of weight-reducing holes (19) are provided on one side of the lock hook plate (11).

8. The elevator car door knife according to claim 1, characterized in that: Tension springs (21) are connected between the door blade main plate (1) and the lock hook plate (11) and between the external connection column fixing block (22) and the remote lever connecting piece (8).

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