Elevator door interlock assembly
By designing an elevator door interlocking assembly including pressure plate, spring and pressure touch sensor, the problem of misjudgment or misjudgment caused by the reduction of the induction capability of the elevator grating sensor is solved, and mechanical backup protection of the elevator door is realized, which enhances the safety of the elevator and provides a quick disassembly design for easy maintenance.
Patent Information
- Application Number
- CN202421481911.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-26
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-06-26
AI Technical Summary
Under the influence of factors such as dirt, occlusion, ambient light and aging, elevator grating sensors are prone to decline in induction capabilities, misjudgment or misjudgment, increasing the risk of people and objects being stuck.
An elevator door interlocking assembly is designed, including a door body, a grating, a housing, a pressure touch sensor, a slide plate, a pressure plate, a pressure block and a spring. Through the cooperation of the pressure plate and a spring, a mechanical backup protection mechanism is provided. When the grating sensor is misjudged or misjudged, the pressure plate comes into contact with a human body or object, squeezes the spring and slides into the housing, and the pressure block comes into contact with the pressure touch sensor, sending a signal to control the operation of the elevator door.
Through the mechanical backup protection mechanism, the risk of clamping and damage to humans or objects by elevator doors is reduced, the safety of the elevator is enhanced, and the design of rapid disassembly is facilitated for subsequent inspection, repair or replacement.
Smart Images
Figure CN222699804U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of elevator door equipment, in particular to an elevator door interlocking component. Background Art
[0002] An elevator is a machine that transports objects or people vertically from the ground to a specific height. It can solve some traffic problems in the vertical direction, provide convenience for people's travel and vertical transportation of objects, and is widely used in buildings such as apartment buildings, hospitals, supermarkets and hotels.
[0003] The elevator door is one of the components of the elevator, including the car door and the floor door. It is usually installed at the entrance of the elevator car. It can be opened and closed through the interlocking assembly in conjunction with the grating sensor to ensure the safe operation of the elevator and increase safety in use.
[0004] The elevator's grating sensor is easily affected by some factors, such as the surface being blocked by dirt or other objects, as well as the influence of ambient light and aging, which can easily cause its sensing ability to decrease, resulting in insensitive sensing, which can easily lead to misjudgment or missed judgment, increasing the risk of pinching people or objects. Utility Model Content
[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model provides an elevator door interlock assembly.
[0006] The technical solution adopted by the utility model to solve its technical problems is: an elevator door interlock assembly described in the utility model includes a door body, and a grating is installed on one side of the door body, a receiving groove is opened inside the door body, and a shell is installed inside the receiving groove; a pressure touch sensor is installed at one end inside the shell; a slide plate is elastically slidably connected to the shell through a first spring; a pressure block opposite to the position of the pressure touch sensor is installed on one side of the slide plate, and a pressure plate is fixedly connected to the other side of the slide plate; plug rods are fixedly connected to the edges of both ends of one side of the slide plate, and a first slot is opened correspondingly on one side inside the shell; a rubber layer is provided on the inner wall of the first slot.
[0007] Preferably, blocks are elastically slidably connected inside the two ends of the shell through a second spring, and a slot that matches the shape of one end of the block is opened inside the door body; the shell and the inside of the accommodating slot are slidably connected.
[0008] Preferably, an insert block is fixedly connected to an outer wall of one side of the shell; arc-shaped spring sheets are provided on both sides of the insert block, and a second slot is correspondingly provided on one side of the accommodating groove.
[0009] Preferably, a connector joint is installed on one side of the pressure touch sensor, and the connector end of the connector joint passes through the interior of the shell; a connector plug is inserted into the connector joint, and the other end of the connector plug is connected to the wire; the wire is coiled inside the accommodating groove, and one end of the wire is connected to the control component inside the door body.
[0010] Preferably, baffles are fixedly connected to both ends of the block, and the baffles are slidably connected to the inside of the shell.
[0011] Preferably, a cover plate is provided on one side of the shell, and the cover plate is connected to the shell via a screw assembly.
[0012] Preferably, a rubber layer is also provided at one end of the pressing plate, and the rubber pad has the same shape as that of the one end of the pressing plate.
[0013] Beneficial effects of the utility model:
[0014] 1. The utility model provides an elevator door interlocking assembly. When the grating sensor misjudges or misses a judgment, the two door bodies approach each other. At this time, the pressure plate first contacts the surface of a human body or an object, and continues to move with the two door bodies. During the contact and extrusion process, the pressure plate will continue to squeeze the first spring and slide into the inside of the shell. The elastic force provided by the first spring can reduce the pinching damage to the surface of the human body or the object. When the pressure block contacts and squeezes the pressure touch sensor, the pressure touch sensor sends a signal to the elevator control system. After receiving the signal, the control system can take measures, such as controlling the two elevator doors to stop approaching each other or reopening, so as to reduce further harm to personnel, so as to provide a mechanical backup protection mechanism for the elevator door, and cooperate with the grating sensor to achieve the effect of a double protection mechanism, so as to enhance the safety of the elevator.
[0015] 2. The utility model provides an elevator door interlock assembly, which can disengage the card block from the card slot by pulling the card block. At this time, the shell can be quickly pulled out from the accommodating slot to achieve the effect of quickly disassembling the entire shell, thereby providing convenience for subsequent inspection, maintenance or replacement, and reducing the time and complexity of disassembly and reassembly. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:
[0017] Figure 1 It is a three-dimensional diagram of the utility model;
[0018] Figure 2 It is a cross-sectional view of the door body in the utility model;
[0019] Figure 3 It is an exploded view of the utility model;
[0020] Figure 4 It is a cross-sectional view of the shell in the utility model.
[0021] Legend:
[0022] 1. Door body; 2. Shell; 3. Pressure touch sensor; 4. First spring; 5. Slide plate; 6. Pressure plate; 7. Pressure block; 8. Accommodating groove; 9. First slot; 10. Second spring; 11. Block; 12. Slot; 13. Insert block; 14. Arc-shaped spring piece; 15. Second slot; 16. Connector joint; 17. Electric wire; 18. Connector plug; 19. Baffle; 20. Insert rod; 21. Cover plate; 22. Grating. DETAILED DESCRIPTION
[0023] 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 of 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.
[0024] Specific examples are given below.
[0025] See also Figure 1-Figure 4 The utility model provides an elevator door interlock assembly, including a door body 1, and a grating 22 is installed on one side of the door body 1, a receiving groove 8 is opened inside the door body 1, and a shell 2 is installed inside the receiving groove 8; a pressure touch sensor 3 is installed at one end inside the shell 2; a slide plate 5 is elastically slidably connected to the shell 2 through a first spring 4; a pressure block 7 corresponding to the pressure touch sensor 3 is installed on one side of the slide plate 5, and a pressure plate 6 is fixedly connected to the other side of the slide plate 5; an insertion rod 20 is fixedly connected to the edges of both ends of one side of the slide plate 5, and a first slot 9 is correspondingly opened on one side of the shell 2; a rubber layer is provided on the inner wall of the first slot 9.
[0026] During operation, the pressure touch sensor 3 is connected to the elevator control system signal, thereby reducing further harm to pedestrians. When the grating sensor misjudges or misses, the two door bodies 1 approach each other. At this time, the pressure plate 6 first contacts the surface of the human body or object, and continues to move with the two door bodies 1. During the contact and extrusion process, the pressure plate 6 will continue to squeeze the first spring 4 and slide into the shell 2. The elastic force provided by the first spring 4 can reduce the clamping damage to the surface of the human body or object. When the pressure block 7 contacts and squeezes the pressure touch sensor 3, the pressure touch sensor 3 sends a signal to the elevator control system. After receiving the signal, the control system can take measures, such as controlling the two elevator doors to stop approaching each other or reopening, to reduce further harm to personnel, so as to provide a mechanical backup protection mechanism for the elevator door, and cooperate with the grating sensor to achieve a double protection mechanism effect to enhance the safety of the elevator. At the same time, the rubber layer can increase the friction when the insertion rod 20 is inserted into the first slot 9, so as to delay the reset time of the pressure plate 6 and provide a certain reaction time for the pressure touch sensor 3.
[0027] See also Figure 1-Figure 4 The two ends of the shell 2 are elastically and slidably connected with a card block 11 through a second spring 10, and a card slot 12 that matches the shape of one end of the card block 11 is opened inside the door body 1; the shell 2 and the inside of the accommodating groove 8 are slidably connected; when working, the card block 11 can be disengaged from the card slot 12 by pulling the card block 11, and the shell 2 can be quickly pulled out from the accommodating groove 8, so as to achieve the effect of quickly disassembling the shell 2 as a whole, so as to provide convenience for subsequent inspection, maintenance or replacement, and reduce the time and complexity of disassembly and reassembly.
[0028] See also Figure 1-Figure 4 An insert block 13 is fixedly connected to the outer wall of one side of the shell 2; arc-shaped spring pieces 14 are provided on both sides of the insert block 13, and a second slot 15 is correspondingly opened on one side of the accommodating groove 8; when working, the insert block 13 is inserted into the second slot 15, which can improve the stability of the shell 2 when connected to the accommodating groove 8, reduce the shaking phenomenon of the shell 2 inside the accommodating groove 8, so as to improve the stability of the device, and the arc-shaped spring piece 14 itself can be deformed to fill the gap between the two when the insert block 13 is inserted into the second slot 15.
[0029] See also Figure 1-Figure 3A connector joint 16 is installed on one side of the pressure touch sensor 3, and the joint end of the connector joint 16 passes through the interior of the shell 2; a connector plug 18 is inserted into the interior of the connector joint 16, and the other end of the connector plug 18 is connected to the wire 17; the wire 17 is coiled inside the accommodating groove 8, and one end of the wire 17 is connected to the control component inside the door body 1; during operation, when the shell 2 is disassembled, the line can be quickly disassembled by pulling out the connector plug 18 from the inside of the connector joint 16, and vice versa, the line can be quickly installed, and the wire 17 is coiled inside the accommodating groove 8 to provide sufficient line length.
[0030] See also Figure 1-Figure 4 Both ends of the block 11 are fixedly connected with baffles 19, and the baffles 19 are slidably connected to the inside of the shell 2; when working, the baffles 19 can block the slide grooves opened on both sides of the shell 2 to reduce the entry of external dust.
[0031] See also Figure 1-Figure 3 A cover plate 21 is provided on one side of the shell 2, and the cover plate 21 is connected to the shell 2 through a screw assembly; during operation, the cover plate 21 can be quickly removed from the shell 2 by disengaging the screw assembly from the cover plate 21 and the shell 2, so as to facilitate subsequent maintenance and replacement of the internal components of the shell 2.
[0032] See also Figure 1-Figure 3 One end of the pressing plate 6 is also provided with a rubber layer, and the rubber pad is consistent in shape with one end of the pressing plate 6; during operation, the hardness of the surface of the pressing plate 6 can be reduced by the rubber layer to reduce the damage to objects or human bodies.
[0033] Working principle: The pressure touch sensor 3 is connected to the elevator control system signal to reduce further damage to pedestrians. When the grating sensor misjudges or misses, the two door bodies 1 approach each other. At this time, the pressure plate 6 first contacts the surface of the human body or object, and continues to move with the two door bodies 1. During the contact and extrusion process, the pressure plate 6 will continue to squeeze the first spring 4 and slide into the shell 2. The elastic force provided by the first spring 4 can reduce the pinching damage to the human body or the surface of the object. When the pressure block 7 contacts and squeezes the pressure touch sensor 3, the pressure touch sensor 3 sends a signal to the elevator control system. After receiving the signal, the control system can take measures, such as controlling the two elevator doors to stop moving closer to each other or reopening, to reduce further harm to personnel, so as to provide a mechanical backup protection mechanism for the elevator door, and cooperate with grating sensing to achieve a double protection mechanism effect to enhance the safety of the elevator. At the same time, the rubber layer can increase the friction when the insertion rod 20 is inserted into the first slot 9, so as to delay the reset time of the pressure plate 6 and provide a certain reaction time for the pressure touch sensor 3; by pulling the card block 11, the card block 11 can be disengaged from the card slot 12, and the shell 2 can be quickly removed from the accommodating The housing 2 can be quickly disassembled by pulling out the plug block 13 from the inside of the slot 8, so as to facilitate subsequent inspection, maintenance or replacement, and reduce the time and complexity of disassembly and reassembly; by plugging the plug block 13 into the second slot 15, the stability of the housing 2 when connected to the receiving slot 8 can be improved, and the shaking of the housing 2 inside the receiving slot 8 can be reduced, so as to improve the stability of the device, and the arc-shaped spring piece 14 itself can be deformed to fill the gap between the two when the plug block 13 is plugged into the second slot 15; when the housing 2 is completely disassembled, the connector plug 1 8 can be pulled out from the inside of the connector joint 16 to quickly complete the disassembly of the line, and vice versa, the installation of the line can be quickly carried out, and the wire 17 is coiled in the receiving groove 8 to provide sufficient line length; the baffle 19 can shield the slide grooves opened on both sides of the shell 2 to reduce the entry of external dust; the cover plate 21 can be quickly removed from the shell 2 by disengaging the screw assembly from the cover plate 21 and the shell 2, so as to facilitate the subsequent maintenance and replacement of the internal components of the shell 2; the rubber layer can reduce a certain hardness of the surface of the pressure plate 6 to reduce the pinching damage to objects or human bodies.
[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. An elevator door interlock assembly, comprising a door body (1), wherein a grating (22) is installed on one side of the door body (1), characterized in that: The door body (1) is provided with a receiving groove (8), and a shell (2) is installed inside the receiving groove (8); a pressure touch sensor (3) is installed at one end of the shell (2); a slide plate (5) is elastically slidably connected to the shell (2) through a first spring (4); a pressure block (7) opposite to the position of the pressure touch sensor (3) is installed on one side of the slide plate (5), and a pressure plate (6) is fixedly connected to the other side of the slide plate (5); an insertion rod (20) is fixedly connected to the edges of both ends of one side of the slide plate (5), and a first slot (9) is correspondingly provided on one side of the shell (2); a rubber layer is provided on the inner wall of the first slot (9).
2. An elevator door interlock assembly according to claim 1, characterized in that: The two ends of the shell (2) are elastically slidably connected with a clamping block (11) via a second spring (10), and a clamping groove (12) that matches the shape of one end of the clamping block (11) is provided inside the door body (1); the shell (2) and the interior of the accommodating groove (8) are slidably connected.
3. An elevator door interlock assembly according to claim 1, characterized in that: An insert block (13) is fixedly connected to the outer wall of one side of the shell (2); arc-shaped spring sheets (14) are provided on both sides of the insert block (13), and a second slot (15) is correspondingly provided on one side of the accommodating groove (8).
4. An elevator door interlock assembly according to claim 1, characterized in that: A connector joint (16) is installed on one side of the pressure touch sensor (3), and the joint end of the connector joint (16) passes through the interior of the shell (2); a connector plug (18) is inserted into the interior of the connector joint (16), and the other end of the connector plug (18) is connected to the wire (17); the wire (17) is arranged in a coiled state inside the accommodating groove (8), and one end of the wire (17) is connected to the internal control component of the door body (1).
5. An elevator door interlock assembly according to claim 2, characterized in that: Both ends of the block (11) are fixedly connected with baffles (19), and the baffles (19) are slidably connected to the inside of the shell (2).
6. An elevator door interlock assembly according to claim 1, characterized in that: A cover plate (21) is provided on one side of the housing (2), and the cover plate (21) is connected to the housing (2) via a screw assembly.
7. An elevator door interlock assembly according to claim 1, characterized in that: One end of the pressing plate (6) is also provided with a rubber layer, and the rubber pad has the same shape as that of the one end of the pressing plate (6).