CN211004099U - Elevator layer door lock device that protectiveness is good - Google Patents

Abstract

The utility model relates to an elevator layer door lock device that protection nature is good. The electric sheet of the existing door lock device is exposed, and the risk of electric shock exists. The utility model discloses a movable hook, fixed hook, electric appliance seat and connector are equipped with each other for the electric piece that the separation set up in the electric appliance seat, and the movable hook is connected the locking with the fixed hook, so that the electric piece passes through the connector electricity and links, and the electric appliance seat includes insulating casing, is equipped with insulating cover and electrically conductive piece on the connector, sets up the cooperation passageway on the insulating casing, passes through the cooperation passageway and the cross-over connection electricity is even when electrically conductive piece is in when the electric piece is within a definite time, insulating cover shutoff the cooperation passageway and with insulating casing encloses to close the protection chamber that forms and external space keeps apart, so that electrically conductive piece and electric piece are hidden the protection intracavity, the electric shock accident that has effectively prevented takes place promotes barrier propterty and security performance, still ensures that the electric piece can be through the electrically conductive piece electricity that passes through the cooperation passageway and links, guarantees.

Description

Elevator layer door lock device that protectiveness is good

Technical Field

The utility model relates to an elevator field, concretely relates to elevator layer door lock device.

Background

The existing elevator comprises a landing door arranged on each floor, the landing door comprises a door head plate, door hanging plates capable of horizontally moving along the door head plate and a landing door plate hung below the door hanging plates, the door hanging plates are two and can be opened and closed in a centrosymmetric mode to move, in order to ensure use safety, a door locking device is arranged between the door hanging plates, the door locking device comprises movable hooks, fixed hooks and an electrical switch, the movable hooks are installed on any door hanging plate, the fixed hooks are installed on the door head plate, the electrical switch comprises an electrical base fixedly connected with the fixed hooks and connectors fixedly connected with the movable hooks, electric pieces which are arranged in a separated mode are arranged in the electrical base, the electric pieces are exposed out of the electrical base, and when the movable hooks are connected and locked with the fixed hooks, the electric pieces are electrically connected through the connectors in an abutting mode. This structure has the following drawbacks: because the electric sheet is exposed out of the electric appliance seat, the electrified electric sheet is easy to contact with adjacent metal parts or assembly and maintenance personnel to cause electric shock accidents, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a good elevator layer door lock device of protectiveness, through set up the insulating casing who takes the cooperation passageway on the electric appliance seat, both played the effect of isolation electric piece, prevent that the electric shock accident from taking place, promote barrier propterty, still ensure that the electric piece can be through electrically conductive piece electricity even, guarantee door lock device operating stability.

The utility model discloses a following mode realizes: the utility model provides an elevator layer door lock device that protectiveness is good, includes movable hook, fixed hook and electrical apparatus switch, electrical apparatus switch include with the electric seat of fixed hook rigid coupling and with the connector of movable hook rigid coupling, be equipped with the electric piece that sets up for separating each other in the electric seat, the movable hook is connected the locking with the fixed hook, so that the electric piece passes through the connector electricity and links, the electric seat includes insulating casing, be equipped with insulating cover and rigid coupling on the connector and cover electrically conductive, set up the cooperation passageway that supplies electrically conductive piece to plant on the insulating casing, cross over the cooperation passageway and cross-over connection electricity when electrically conductive piece passes through the cooperation passageway and is in when the electric piece, insulating cover shutoff the cooperation passageway and with insulating casing enclose to close the protection chamber that forms and external space isolation to make electrically conductive piece and electric piece hide in the protection intracavity. Through set up the insulating casing of taking the cooperation passageway on the electric appliance seat, insulating casing plays the effect of isolation electric piece and external space, prevents that electrified electric piece and adjacent part or assembly maintenance personnel from contacting and take place the electric shock accident, and existing effect prevents the electric shock accident and takes place, promotes barrier propterty and security performance, still ensures that the electric piece can be even through the electrically conductive piece that passes through the cooperation passageway, guarantees door lock device operating stability.

Preferably, the width of each area of the outer port of the matching channel is less than 12mm, so that the periphery of the outer port of the matching channel forms a limiting surrounding edge. The width of each area of the external port is limited to prevent the fingers of an assembly and maintenance worker from getting electric shock due to the fact that the fingers penetrate through the matching channels and contact with the electric sheet, and use safety is guaranteed. The limiting surrounding edge plays a role in blocking foreign objects from passing through the matching channel, and further prevents the situation that the power supply conducts outwards due to the fact that the fingers or the foreign parts are touched by mistake with the electric sheet, and the use safety is ensured.

Preferably, the movable hook moves horizontally and swings to realize opening and closing locking after approaching the fixed hook, so that the connector swings and switches between a conducting station matched with the electric appliance seat and a disengaging station separated from the electric appliance seat. The on-off of the electrical switch is related to the running state of the elevator, when the connector is located at the conductive station, the description layer door is closed, the car is located at the liftable running state, when the connector is located at the separation station, the description layer door is opened, and the car is located at the non-liftable static state, so that the running safety of the elevator is ensured.

Preferably, the mating channel comprises a main channel through which the connector passes, the connector being pivotable in a plane in which the axis of the main channel lies. The connector passes through the main channel, and in the process of passing through, the conductive piece can not contact with the inner side wall of the main channel, so that the conductive piece is ensured to be away from a gap between the connector and the outer port of the matching channel, the arc jumping is prevented, the passing resistance of the connector is effectively reduced, and the connector is ensured to be smoothly switched among different stations.

Preferably, the connector is arranged at the end part of the movable hook close to the fixed hook, the matching channel comprises an auxiliary channel for avoiding the movable hook, and the movable hook is matched and locked with the fixed hook after swinging to penetrate through the auxiliary channel, so that the connector is switched to the conductive station from the separation station. In order to ensure that the electric appliance seat can be matched and electrically connected with the connector, the electric appliance seat is arranged too close to the movable hook and is blocked on a swinging path of the movable hook, therefore, a secondary channel is arranged to play a role of avoiding the movable hook, and the movable hook can be ensured to smoothly swing and be connected and locked with the fixed hook.

Preferably, the mating channels are arranged along the connector swinging path such that a conductive member passes through the mating channels and electrically connects across the electrical pads. The movable hook can not contact with the inner side wall of the matching channel when swinging, and the smooth swinging of the movable hook is ensured.

Preferably, the electric sheet is in a long strip shape, a fixed end of the electric sheet is fixedly connected to the inner side wall of the insulating shell through a fastener and electrically connected with the outside through a lead, and an extending end of the electric sheet is suspended at the lower port of the matching channel, so that the electric sheet is electrically connected through a connector at a conductive station. The electric sheet extension end is positioned at the lower port of the main channel, so that the electric sheet extension end is not only convenient to be in conflict electric connection with the conductive piece passing through the main channel, but also can play a role in blocking foreign objects by utilizing the main channel, and the electric shock is prevented.

Preferably, the conductive piece is -shaped with a downward opening and comprises two vertical parts which are vertically arranged and can be in butt joint with the corresponding electric pieces and a transverse part which is bridged between the tops of the vertical parts, a partition board is arranged between the electric pieces, when the conductive piece is inserted into the matching channel, the vertical parts downwards penetrate through the two sides of the partition board and are in butt joint with the corresponding electric pieces, the conductive piece can be in butt joint with the corresponding electric pieces at the same time and can also avoid the partition board to ensure the opening and closing stability of the electric switch, and the partition board plays a role of isolating the electric pieces to prevent the failure of the electric switch caused by direct contact between the conductive piece and the corresponding electric piece.

Preferably, the projection of the electric sheets along the axial direction of the transverse part is positioned in the middle of the isolation plate, the arc jumping distance between the electric sheets is increased to play a role in preventing arc jumping, and the use stability and reliability of the electric switch are improved.

Preferably, the insulating shell is of a split structure and comprises a bottom shell fixedly connected with the power supply sheet and a top shell provided with a matching channel, and when the insulating shell is installed, the top shell covers the bottom shell from top to bottom so that the power supply sheet is hidden in the insulating shell. Top shell and drain pan rigid coupling can effectively wrap up the electric piece, promote barrier propterty, still increase assembly operation space through disassembling insulating casing, reduce the assembly degree of difficulty, promote assembly efficiency.

The utility model has the advantages that: through set up the insulating casing of taking the cooperation passageway on the electric appliance seat, insulating casing plays the effect of isolation electric piece and external space, prevents that electrified electric piece and adjacent part or assembly maintenance personnel from contacting and take place the electric shock accident, and existing effect prevents the electric shock accident and takes place, promotes barrier propterty and security performance, still ensures that the electric piece can be even through the electrically conductive piece that passes through the cooperation passageway, guarantees door lock device operating stability.

Drawings

Fig. 1 is a schematic structural view of the door lock device;

FIG. 2 is a partial schematic view showing a sectional structure of the door lock device;

FIG. 3 is a schematic structural view of the insulating housing;

FIG. 4 is a schematic view of the connector;

in the figure: 1. the movable hook 2, the fixed hook 3, the connector 4, the electric piece 5, the bottom shell 6, the top shell 7, the insulating cover 8, the conductive piece 9, the matching channel 10, the protection cavity 11, the limiting surrounding edge 12, the main channel 13, the auxiliary channel 14 and the isolation plate.

Detailed Description

The essential features of the invention will be further explained below with reference to the drawings and the detailed description of the invention.

As shown in fig. 1, the door lock device for the elevator landing door with good protection performance comprises a movable hook 1, a fixed hook 2 and an electrical switch, the electric switch comprises an electric appliance seat fixedly connected with a fixed hook 2 and a connector 3 fixedly connected with a movable hook 1, electric pieces 4 which are arranged separately are arranged in the electric appliance seat, the movable hook 1 is connected and locked with the fixed hook 2, so that the electric pieces 4 are electrically connected through the connector 3, the electric appliance base comprises an insulating shell, the connector 3 is provided with an insulating cover 7 and a conductive piece 8 fixedly connected on the insulating cover 7, the insulating shell is provided with a matching channel 9 for the conductive piece 8 to be inserted, when the conductive piece 8 passes through the matching channel 9 and is connected between the electric pieces 4 in a bridging and electric mode, the insulating cover 7 blocks the matching channel 9 and encloses with the insulating shell to form a protective cavity 10 isolated from the external space, so that the conductive piece 8 and the electric pieces 4 are hidden in the protective cavity 10.

In actual operation, when the layer door panel opens and closes, the door link plate links along with layer door panel synchronization. When the floor door panel moves towards each other and the movable hook 1 is close to the fixed hook 2, the movable hook 1 can swing to realize the switching of the connector 3 between the conductive station and the separation station, so that the starting and stopping state of the motor for lifting the car is controlled, and the running safety of the elevator is ensured. Specifically, when the movable hook 1 and the fixed hook 2 are interlocked, it is indicated that the landing door is closed, and at this time, the electric pieces 4 are conducted through the conductive pieces 8 (as shown in fig. 2), and the car can be driven by the motor to perform a lifting action; on the contrary, when the movable hook 1 is separated from the fixed hook 2, the landing door is opened, at the moment, the electric pieces 4 are disconnected, and the elevator car is in a static state because the motor cannot be started. The movable hook 1 horizontally moves and swings to realize opening and closing locking after approaching the fixed hook 2, so that the connector 3 swings and switches between a conductive station matched with the electric appliance seat and a separation station separated from the electric appliance seat.

In practice, the width of each region of the outer port of the mating channel 9 is less than 12mm, so that the periphery of the outer port of the mating channel 9 forms a limiting surrounding edge 11. The width through restriction cooperation passageway 9 plays and stops the condition that assembly maintenance personnel finger or external foreign matter got into the electric appliance seat, both prevented because of the outside foreign matter with the contact of electric piece 4 the condition of outside transmission power, effectively prevent in addition that the electric piece 4 from taking place the condition that the mistake touched the electricity even because of contacting simultaneously with external foreign matter between, effectively prevent again that the finger from misplugging and taking place the condition of electrocuting, ensure that door lock device operation safety, guarantee assembly maintenance personnel life safety. According to the GB4208-2008 shell protection level, the IP2X protection level needs to meet the following two points: 1. preventing access to the hazardous parts by fingers. The hinging test finger with the diameter of 12mm and the length of 80mm has enough clearance with the dangerous part; 2. preventing the entry of solid foreign matters. A spherical object with a diameter of 12.5 mm is not allowed to enter the shell completely. The width of each area of the outer port of the matching channel 9 is set below 12mm, so that the product is ensured to meet the requirement of GB4208-2008, and the safety protection performance and the use safety are effectively improved. In the measurement, the following method is adopted: firstly, randomly selecting points in the range of the outer port of the matching channel 9; then, radial lines are outwards arranged in four directions by taking the point as a center, so that intersection points are formed between two ends of each radial line and the periphery of the outer port of the matching channel 9 respectively; and finally, measuring the distance between the two intersection points of the radial line. Because the intersection points can identify the size of the object inserted into the matching channel 9 and play a role of preventing foreign objects from passing through the matching channel 9, the length of any radial line at any point meets the requirement of being less than 12mm, and the size of the matching channel 9 meets the requirement.

In practical operation, the insulating housing is a split structure and comprises a bottom shell 5 fixedly connected with the power supply sheet 4 and a top shell 6 provided with a matching channel 9, and when the insulating housing is installed, the top shell 6 covers the bottom shell 5 from top to bottom so as to hide the power supply sheet 4 in the insulating housing. The bottom shell 5 and the top shell 6 are separately machined and assembled to form the electric appliance base. When the installation, at first, with electric plate 4 rigid coupling on the top surface of drain pan 5, later, cover top shell 6 to on drain pan 5 to through the screw rigid coupling, guarantee the parcel protectiveness through reducing the gap between drain pan 5 and top shell 6, promote the security performance.

In actual operation, electric piece 4 is rectangular form, the rigid coupling end of electric piece 4 passes through the fastener rigid coupling and is in on insulation housing's the inside wall to link with external electricity through the wire, the end suspension that extends of electric piece 4 is in the lower port department of cooperation passageway 9, so that electric piece 4 links through the connector 3 electricity that is in electrically conductive station. The rigid coupling end of electric sheet 4 passes through the fastener rigid coupling and keeps away from cooperation channel 9 one side at the electric seat, and the end suspension that extends is in the lower port department of cooperation channel 9, and the end that extends has lift floating space, ensures that the end that extends realizes closely laminating connection under the effect of conducting strip 4 pushes down, promotes electric connection stability. The fastener is preferably a metal piece, one end of the lead is tightly connected with the electric piece 4 under the screwing and locking action of the fastener, the fastener not only plays a role in fixedly connecting the electric piece 4 with the lead, but also plays a role in transferring electric energy between the electric piece 4 and the lead, and the lead efficiency is improved. In addition, the fastener still can be for the insulating part, effectively prevents that the maintainer from taking place the probability of electrocuteeing when carrying out hot-line work, and at this moment, the fastener plays the effect of rigid coupling electric piece 4 and wire, ensures that wire and electric piece 4 closely contradict, promotes wire efficiency between the two, also should regard as the utility model discloses a specific embodiment.

In actual operation, the fastener can be the screw, still can be for structures such as buckle, as long as play the effect that the rigid coupling electricity links electric connection piece 4 and wire can, all should regard as the utility model discloses a specific embodiment.

In practice, the mating channel 9 comprises a main channel 12 (shown in fig. 3) through which the connector 3 passes, the connector 3 being able to oscillate in the plane of the axis of the main channel 12. The connector 3 is arranged at the end part, close to the fixed hook 2, of the movable hook 1, the matching channel 9 comprises an auxiliary channel 13 for avoiding the movable hook 1, and the movable hook 1 swings to penetrate through the auxiliary channel 13 and then is matched and locked with the fixed hook 2, so that the connector 3 is switched to a conductive station by being separated from the station swing. The mating channels 9 are arranged along the swinging path of the connector 3 so that the conductive elements 8 pass through the mating channels 9 and are electrically connected across the electrical contacts 4. The main channel 12 and the auxiliary channel 13 are communicated with each other, and are conveniently and integrally formed. In addition, the main channel 12 and the sub-channel 13 can be separated structures independent of each other, and all satisfy the requirement that the width of each region is less than 12mm, which should also be regarded as a specific embodiment of the present invention.

In practical operation, the upper limit of the width of each region of the fitting channel 9 can be 11mm, 10mm, etc., and can be reduced according to practical situations, and as long as the width is less than 12mm, the present invention should be regarded as a specific embodiment of the present invention.

In practical operation, the setting path of the main channel 12 is matched with the swing path of the conductive piece 8, the setting path of the auxiliary channel 13 is matched with the swing path of the movable hook 1, so that mutual interference between the main channel 12 and the conductive piece 8 and between the auxiliary channel 13 and the movable hook 1 is avoided, and the door lock device is ensured to operate smoothly.

In actual operation, the conductive member 8 is -shaped (as shown in fig. 4) with a downward opening, and comprises two vertical parts which are vertically arranged and can be abutted against and electrically connected with the corresponding electric pieces 4 and a transverse part which is bridged between the top ends of the vertical parts, a partition plate 14 is arranged between the electric pieces 4, when the conductive member 8 is inserted into the matching channel 9, the vertical parts penetrate downwards from two sides of the partition plate 14 and are abutted against and electrically connected with the corresponding electric pieces 4, the protective cavity 10 is an integral cavity, the partition plate 14 is arranged between the electric pieces 4, the probability of arc jump is reduced by increasing the space distance between the electric pieces 4, and further, the situation that the electric switch is mistakenly triggered due to the arc jump between the electric pieces 4 is prevented, and the elevator operation safety is ensured.

In practical operation, the projection of the electric strip 4 along the axis of the transverse portion is located in the middle of the isolation plate 14. The arrangement structure of the isolation plate 14 includes, but is not limited to, the following structures: in the first structure, the isolation plate 14 is formed by extending the bottom surface of the protection cavity 10, and the top edge of the isolation plate 14 is higher than the top edge of the electric sheet 4; in the second structure, the side wall of the protection cavity 10 of the isolation plate 14 is formed by extending, the bottom edge of the isolation plate 14 is lower than the bottom edge of the electric sheet 4, and the top edge is higher than the top edge of the electric sheet 4.

Claims (10)

1. The utility model provides an elevator layer door lock device that protectiveness is good, includes movable hook (1), fixed hook (2) and electrical apparatus switch, electrical apparatus switch include with the electric seat of fixed hook (2) rigid coupling and with connector (3) of movable hook (1) rigid coupling, be equipped with in the electric seat each other electric piece (4) that set up for separating, movable hook (1) are connected the locking with fixed hook (2), so that electric piece (4) are connected through connector (3) electricity, a serial communication port, electric seat includes insulating casing, be equipped with insulating cover (7) and electrically conductive piece (8) of rigid coupling on insulating cover (7) on connector (3), set up cooperation passageway (9) that supply electrically conductive piece (8) to plant on the insulating casing, when electrically conductive piece (8) pass through cooperation passageway (9) and cross-over connection electricity is in between electric piece (4), insulating cover (7) shutoff cooperation passageway (9) and with insulating casing enclose to close and form the cooperation passageway (9) that keep apart with external space A protective cavity (10) so that the conductive member (8) and the electric sheet (4) are hidden in the protective cavity (10).

2. A protective elevator landing door lock device according to claim 1, wherein the width of each region of the outer port of the mating channel (9) is less than 12mm, so that the outer port periphery of the mating channel (9) forms a limiting edge (11).

3. The door lock device for the elevator landing door with good protection as claimed in claim 2, wherein the movable hook (1) moves horizontally and swings to realize the open-close locking after approaching the fixed hook (2), so that the connector (3) swings to switch between the conducting station matched with the electric appliance base and the disengaging station separated from the electric appliance base.

4. A protective elevator landing door lock device according to claim 2, characterized in that the mating channel (9) comprises a main channel (12) through which the connector (3) passes, the connector (3) being pivotable in the plane of the axis of the main channel (12).

5. The elevator landing door lock device with good protection performance according to claim 4, wherein the connector (3) is arranged at the end part of the movable hook (1) close to the fixed hook (2), the matching channel (9) comprises a secondary channel (13) for avoiding the movable hook (1), and the movable hook (1) is matched and locked with the fixed hook (2) after swinging to pass through the secondary channel (13), so that the connector (3) is switched to a conductive station from a separation station swinging.

6. A protective elevator landing door lock assembly according to claim 2, wherein said mating channel (9) is arranged along the swinging path of said connector (3) such that an electrically conductive member (8) passes through the mating channel (9) and is electrically connected across said electrical contacts (4).

7. A door lock device for elevator landing door with good protection according to any of claims 3-6, characterized in that the electric plate (4) is in the shape of long strip, the fixed end of the electric plate (4) is fixed on the inner side wall of the insulating shell by a fastener and electrically connected with the outside by a lead, and the extended end of the electric plate (4) is suspended at the lower port of the matching channel (9) so that the electric plate (4) is electrically connected by the connector (3) at the conductive station.

8. The door lock device of elevator landing door with good protection as claimed in claim 7, wherein said conductive member (8) is shaped like with its opening facing downward, and comprises two vertical portions vertically arranged and electrically connected with the corresponding electric pieces (4) in an abutting manner, and a transverse portion bridging the top ends of the vertical portions, a partition plate (14) is provided between the electric pieces (4), and when the conductive member (8) is inserted into the matching channel (9), the vertical portions pass downward from both sides of the partition plate (14) and electrically connected with the corresponding electric pieces (4) in an abutting manner.

9. A well-protected elevator landing door lock arrangement according to claim 8, characterized in that the projection of the electric strip (4) in the direction of the transverse axis is located in the middle of the partition plate (14).

10. The door lock device for the elevator landing door with good protection performance according to claim 7, wherein the insulating housing is a split structure and comprises a bottom housing (5) fixedly connected with the power supply sheet (4) and a top housing (6) provided with a matching channel (9), and when the door lock device is installed, the top housing (6) covers the bottom housing (5) from top to bottom so that the power supply sheet (4) is hidden in the insulating housing.

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