Anti-pinch device for passenger elevator door

Abstract

The anti-pinch device for the passenger elevator door comprises a transverse plate, a first elevator door body and a second elevator door body, first grooves are formed in the left end and the right end of the bottom of the transverse plate, electric sliding tables are installed in inner cavities of the first grooves, clamping blocks are fixedly connected to the bottoms of the electric sliding tables, and the clamping blocks are fixedly connected to the bottom of the transverse plate. And clamping grooves are formed in the tops of the first elevator door and the second elevator door correspondingly, and pressure sensors are fixedly connected to the sides, close to the central axis of the transverse plate, of inner cavities of the clamping grooves. The clamping block can be driven to move left and right through the electric sliding table, and the first elevator door and the second elevator door can be driven to move under the action of the clamping groove, so that opening and closing of the elevator doors can be controlled, the pressure between the clamping block and the clamping groove can be detected through the pressure sensor when the elevator doors are closed, and the safety of the elevator doors is improved. And if a foreign matter is blocked between the first elevator door and the second elevator door, the pressure between the clamping block and the clamping groove is increased, so that the electric sliding table can be stopped in time, and the anti-pinch effect can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator door anti -pinch technical field, concretely is a passenger elevator door anti -pinch device. BACKGROUND

[0002] The elevator is the permanent transportation equipment that its car runs in at least two columns vertical to horizontal plane or with the inclination angle of less than 15 DEG to plumb line, has a car, runs between at least two columns vertical or inclination angle less than 15 DEG rigid guide rail, but now passenger elevator door anti -pinch device anti -pinch effect is not good, lead to inconvenient to use, for this, we propose a passenger elevator door anti -pinch device. CONTENT OF UTILITY MODEL

[0003] The utility model discloses a passenger elevator door anti -pinch device has the advantages of good anti -pinch effect, solves the passenger elevator door anti -pinch device anti -pinch effect is not good of now, lead to inconvenient to use problem.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a passenger elevator door anti -pinch device, including horizontal plate, first elevator door and second elevator door, the left and right two ends of the bottom of horizontal plate are all seted up with first recess, the inner chamber of first recess is installed with electric sliding table, the bottom of electric sliding table is fixedly connected with clamping block, the top of first elevator door and second elevator door all is seted up with the clamping groove, the one side of clamping groove inner chamber close to horizontal plate center axis is fixedly connected with pressure sensor, the left side of second elevator door is seted up with third recess, the right side of third recess inner chamber is seted up with second recess, the inner chamber of second recess is provided with infrared sensor.

[0005] Preferably, the upper and lower surfaces of the infrared sensor are fixedly connected with connecting blocks, the connecting blocks are provided with insertion grooves, the upper and lower surfaces of the second recess inner chamber are provided with mounting grooves, and the inner cavities of the mounting grooves are fixedly connected with electric telescopic rods.

[0006] Preferably, the other end of the electric telescopic rod is fixedly connected with an insertion block, and the insertion block is movably connected with the inner cavities of the insertion grooves.

[0007] Preferably, the right side of the first elevator door is fixedly connected with a protruding block, and the protruding block is movably connected with the inner cavities of the third recess.

[0008] Preferably, the clamping block is movably connected with the inner cavities of the clamping grooves, and the middle end of the upper part of the inner cavity of the horizontal plate is provided with a control groove.

[0009] Preferably, the left end of the control groove cavity bottom is fixedly connected with a PLC controller, the output end of the PLC controller is electrically connected with the input end of the electric sliding table and the electric telescopic rod, and the input end of the PLC controller is electrically connected with the output end of the infrared sensor and the pressure sensor.

[0010] Preferably, the right end of the control groove cavity bottom is fixedly connected with a wireless signal receiver, and the output end of the wireless signal receiver is electrically connected with the input end of the PLC controller.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] 1、 the utility model discloses a first electric elevator door and second electric elevator door are moved to the control of the opening and closing of elevator door can be controlled through the electric sliding table, the pressure sensor can detect the pressure between the clamping block and the clamping groove when the elevator door is closed, if there is foreign matter between the first electric elevator door and second electric elevator door, then the pressure between the clamping block and the clamping groove will be larger, so that the electric sliding table can be stopped in time, and the effect of preventing clamping can be achieved, the infrared sensor can detect whether there is foreign matter between the first electric elevator door and second electric elevator door, and the electric sliding table is immediately closed if there is foreign matter between the first electric elevator door and second electric elevator door, so that the effect of preventing clamping can be achieved, and the two kinds of clamping prevention mechanisms can effectively improve the clamping prevention effect.

[0013] 2、 the utility model discloses an electric telescopic rod, and the plug block can be moved up and down, when the infrared sensor needs to be disassembled, only needs to control the electric telescopic rod to contract, makes the plug block to leave the insertion slot, then can take out the infrared sensor, need not use the bolt to fix, and the people are convenient to install and disassemble. SHEET DESCRIPTION

[0014] Figure 1 It is the structure schematic drawing of the utility model;

[0015] Figure 2 It is the main view sectional structure schematic drawing of the utility model;

[0016] Figure 3 It is the enlarged structure schematic drawing of the place A of the utility model;

[0017] Figure 4 It is the enlarged structure schematic drawing of the place B of the utility model.

[0018] In the figure: 1, the horizontal plate; 2, the first groove; 3, the first elevator door; 4, the second elevator door; 5, the electric sliding platform; 6, the clamping block; 7, the control groove; 8, the PLC controller; 9, the wireless signal receiver; 10, the second groove; 11, the infrared sensor; 12, the third groove; 13, the protruding block; 14, the connecting block; 15, the insertion slot; 16, the insertion block; 17, the mounting slot; 18, the electric telescopic rod; 19, the pressure sensor; 20, the clamping slot. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics in at least one implementation of the utility model. The "in one embodiment" appearing in different places in the specification does not refer to the same embodiment, nor is it an embodiment that is independent of or selected from other embodiments. Embodiment one

[0021] Please refer to Figures 1-3 As shown in the figure, the utility model provides a passenger elevator door is prevented to stick device, including horizontal plate 1, first elevator door 3 and second elevator door 4, the bottom of horizontal plate 1 both ends are provided with first groove 2, the inner chamber of first groove 2 is installed with electric sliding platform 5, the bottom of electric sliding platform 5 is fixedly connected with clamping block 6, the top of first elevator door 3 and second elevator door 4 are provided with clamping slot 20, the inner chamber of clamping slot 20 is fixedly connected with pressure sensor 19 near the one side of horizontal plate 1 central axis, the left side of second elevator door 4 is provided with third groove 12, the right side of third groove 12 inner chamber is provided with second groove 10, the inner chamber of second groove 10 is provided with infrared sensor 11.

[0022] The electric sliding table 5 can drive the clamping block 6 to move left and right, and can drive the first elevator door 3 and the second elevator door 4 to move under the action of the clamping groove 20, so that the opening and closing of the elevator door can be controlled. The pressure sensor 19 can detect the pressure between the clamping block 6 and the clamping groove 20 when the elevator door is closed. If there is foreign matter blocking between the first elevator door 3 and the second elevator door 4, the pressure between the clamping block 6 and the clamping groove 20 will increase, so that the electric sliding table 5 can be stopped in time, and the anti-pinch effect can be achieved. The infrared sensor 11 can detect whether there is foreign matter between the first elevator door 3 and the second elevator door 4. Once there is foreign matter between the first elevator door 3 and the second elevator door 4, the electric sliding table 5 is immediately closed, so that the anti-pinch effect can be achieved. Two anti-pinch mechanisms are adopted, which can effectively improve the anti-pinch effect. Embodiment two

[0023] Based on the embodiment one, the utility model discloses as shown in Figures 1-3 The upper and lower surfaces of the infrared sensor 11 are fixedly connected with connecting blocks 14, the connecting blocks 14 are provided with insertion grooves 15, the upper and lower surfaces of the inner cavity of the second groove 10 are provided with mounting grooves 17, the inner cavity of the mounting groove 17 is fixedly connected with an electric telescopic rod 18, the other end of the electric telescopic rod 18 is fixedly connected with an insertion block 16, the insertion block 16 is movably connected with the inner cavity of the insertion groove 15, the right side of the first elevator door 3 is fixedly connected with a protruding block 13, the protruding block 13 is movably connected with the inner cavity of the third groove 12, the clamping block 6 is movably connected with the inner cavity of the clamping groove 20, the middle end of the inner cavity of the upper part of the horizontal plate 1 is provided with a control groove 7, the left end of the inner cavity bottom of the control groove 7 is fixedly connected with a PLC controller 8, the output end of the PLC controller 8 is electrically connected with the input end of the electric sliding table 5 and the electric telescopic rod 18, the input end of the PLC controller 8 is electrically connected with the output end of the infrared sensor 11 and the pressure sensor 19, the right end of the inner cavity bottom of the control groove 7 is fixedly connected with a wireless signal receiver 9, and the output end of the wireless signal receiver 9 is electrically connected with the input end of the PLC controller 8.

[0024] The electric telescopic rod 18 can drive the insertion block 16 to move up and down. When it is necessary to disassemble the infrared sensor 11, only the electric telescopic rod 18 needs to be controlled to retract, so that the insertion block 16 is away from the insertion groove 15, and then the infrared sensor 11 can be taken out. The use of bolts is not required, and the installation and disassembly of people are facilitated.

[0025] The working principle of the utility model is: through the electric sliding table 5, the clamping block 6 can be driven to move left and right, and under the action of the clamping groove 20, the first elevator door 3 and the second elevator door 4 can be driven to move, so that the opening and closing of the elevator door can be controlled, by using the pressure sensor 19, the pressure between the clamping block 6 and the clamping groove 20 when the elevator door is closing can be detected, if there is foreign matter between the first elevator door 3 and the second elevator door 4, the pressure between the clamping block 6 and the clamping groove 20 will become larger, so that the electric sliding table 5 can be stopped in time, the effect of preventing clamping can be achieved, by using the infrared sensor 11, whether there is foreign matter between the first elevator door 3 and the second elevator door 4 can be detected, the electric sliding table 5 is immediately closed as soon as there is foreign matter between the first elevator door 3 and the second elevator door 4, so that the effect of preventing clamping can be achieved, by adopting two kinds of clamping prevention mechanisms, the clamping prevention effect can be effectively improved, by the electric telescopic rod 18, the plug-in block 16 can be driven to move up and down, when the infrared sensor 11 needs to be disassembled, only need to control the electric telescopic rod 18 to shrink, so that the plug-in block 16 leaves the plug-in groove 15, then the infrared sensor 11 can be taken out, without using bolts to fix, convenient for people to install and disassemble.

[0026] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various example embodiments are by way of illustration only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily understand that many modifications can be made to the embodiments without materially departing from the novel teachings and advantages described in this application (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.). For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such variations are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the scope of the application. In the claims, any "means plus function" clause is intended to cover the structures described herein as performing the recited functionality, and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the example embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described and illustrated herein, but extends to all structures that fall within the scope of the appended claims.

[0027] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of an actual implementation can be described (i.e., those related to the best mode for carrying out the present application that are not currently considered essential).

[0028] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. An anti-pinch device for passenger elevator doors, comprising a horizontal plate (1), a first elevator door (3), and a second elevator door (4), characterized in that: The bottom of the horizontal plate (1) is provided with a first groove (2) at both the left and right ends. An electric slide (5) is installed in the inner cavity of the first groove (2). A locking block (6) is fixedly connected to the bottom of the electric slide (5). The top of the first elevator door (3) and the second elevator door (4) are provided with a slot (20). A pressure sensor (19) is fixedly connected to the side of the inner cavity of the slot (20) near the central axis of the horizontal plate (1). A third groove (12) is provided on the left side of the second elevator door (4). A second groove (10) is provided on the right side of the inner cavity of the third groove (12). An infrared sensor (11) is provided in the inner cavity of the second groove (10).

2. The anti-pinch device for passenger elevator doors according to claim 1, characterized in that: The infrared sensor (11) has a connecting block (14) fixedly connected to both the upper and lower sides. The connecting block (14) has a slot (15). The second groove (10) has an installation groove (17) fixedly connected to both the upper and lower sides. The installation groove (17) has an electric telescopic rod (18) fixedly connected to its inner cavity.

3. The anti-pinch device for passenger elevator doors according to claim 2, characterized in that: The other end of the electric telescopic rod (18) is fixedly connected to a plug (16), which is movably connected to the inner cavity of the slot (15).

4. The anti-pinch device for passenger elevator doors according to claim 1, characterized in that: A protrusion (13) is fixedly connected to the right side of the first elevator door (3), and the protrusion (13) is movably connected to the inner cavity of the third groove (12).

5. The anti-pinch device for passenger elevator doors according to claim 1, characterized in that: The card block (6) is movably connected to the inner cavity of the card slot (20), and a control slot (7) is provided at the middle of the upper part of the inner cavity of the horizontal plate (1).

6. The anti-pinch device for passenger elevator doors according to claim 5, characterized in that: A PLC controller (8) is fixedly connected to the left end of the bottom of the control slot (7). The output end of the PLC controller (8) is electrically connected to the input end of the electric slide (5) and the electric telescopic rod (18). The input end of the PLC controller (8) is electrically connected to the output end of the infrared sensor (11) and the pressure sensor (19).

7. The anti-pinch device for passenger elevator doors according to claim 5, characterized in that: A wireless signal receiver (9) is fixedly connected to the right end of the bottom of the control slot (7), and the output end of the wireless signal receiver (9) is electrically connected to the input end of the PLC controller (8).

Images