CN220998811U

CN220998811U - Automatic safety alarm device for home elevator

Info

Publication number: CN220998811U
Application number: CN202323038397.7U
Authority: CN
Inventors: 谭新俊; 诸扬杰; 陈宇轩
Original assignee: Changde Binzhi Internet Technology Co ltd
Current assignee: Changde Binzhi Internet Technology Co ltd
Priority date: 2023-11-10
Filing date: 2023-11-10
Publication date: 2024-05-24
Anticipated expiration: 2033-11-10

Abstract

The utility model relates to the technical field of elevator alarm, in particular to a safety automatic alarm device of a home elevator, which comprises a lift car, wherein sliding blocks are arranged on the left side plate and the right side plate of the lift car, the sliding blocks are in sliding connection with a lift sliding rail fixed on the wall of a well, the safety automatic alarm device also comprises an overweight alarm assembly arranged in the lift car, the overweight alarm assembly comprises a bottom plate arranged in the lift car in a sliding manner, the bottom plate is connected with the bottom of the lift car through a supporting structure, and when the pressure of the bottom plate exceeds a normal value, the bottom plate can trigger an overweight switch arranged at the bottom of the lift car; the descending overspeed early warning mechanism is arranged in a placement cavity formed in the lift car and comprises a linkage trigger component and a locking component, when the lift car ascends rapidly, the bottom plate descends to drive the trigger component to act, an alarm switch arranged in the placement cavity is opened, and the locking component acts to lock the position of the lift car; the unlocking component is arranged in the placement cavity and matched with the triggering component, and can release the alarm switch.

Description

Automatic safety alarm device for home elevator

Technical Field

The utility model relates to the technical field of elevator alarm, in particular to a safety automatic alarm device for a home elevator.

Background

In modern urban buildings, elevators are standard configurations of modern buildings, the elevators provide convenience for users and bring certain potential safety hazards to the users, so that each elevator is provided with a safety alarm device which is communicated with a computer, and when an accident occurs in the elevator, the safety alarm devices become guarantees for rescuing trapped people.

The control panel of the existing elevator safety alarm device is exposed outside, when a passenger takes an elevator, the exposed control panel is easily touched by the passenger or is mistakenly touched, so that the safety alarm device is started, an error signal is transmitted to a worker, the warning effect of the safety alarm device for the worker is reduced due to multiple mistaken touches, the passenger and the worker ignore alarm prompts, hidden danger is buried for life safety of the passenger, and meanwhile, the exposed safety alarm control panel is extremely easily damaged, so that the service life of the safety alarm device is reduced.

Disclosure of utility model

The utility model aims to provide a home elevator safety automatic alarm device to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

The automatic safety alarm device for household elevator comprises a car, wherein the left and right side plates of the car are fixedly provided with sliding blocks which are in sliding connection with elevator guide rails fixedly arranged on the wall of a well,

The car is characterized by further comprising an overweight alarm assembly arranged in the car, the overweight alarm assembly comprises a bottom plate which is arranged in the car in a sliding manner, the bottom plate is connected with the bottom of the car through a supporting structure, and when the pressure of the bottom plate exceeds a normal value, the bottom plate can trigger an overweight switch arranged at the bottom of the car;

The overspeed early warning device comprises a trigger assembly and a locking assembly, wherein the trigger assembly is connected with a bottom plate, and when the elevator car ascends rapidly, the bottom plate descends to drive the trigger assembly to act, an alarm switch arranged in the placement chamber is opened, and the locking assembly acts to lock the position of the elevator car;

The unlocking component is arranged in the placing cavity and matched with the triggering component, and can release the alarm switch.

As a further scheme of the utility model: the supporting structure comprises supporting springs connected with the bottom plate and the bottom of the car, wherein the supporting springs are at least provided with two groups, and the supporting springs are uniformly distributed on the bottom plate.

As still further aspects of the utility model: the trigger assembly is provided with two sets of along the length direction symmetry of bottom plate, every group trigger assembly all is in including sliding the slide bar that sets up on the bottom plate, the slide bar is followed the width direction symmetry of bottom plate is provided with two sets of, just the slide bar is kept away from overweight switch's one end is fixed to be provided with the balancing weight, slide on the slide bar is provided with first spring and second spring, the one end of first spring with the bottom plate butt, the other end with the balancing weight butt, the one end of second spring with the bottom plate butt, the other end with the gasket butt that the slide bar tip formed.

As still further aspects of the utility model: the locking assembly is symmetrically arranged in two groups along the length direction of the bottom plate, each group of locking assembly comprises a fixing plate fixedly arranged on the sliding rod, the fixing plates are symmetrically arranged in two groups along the width direction of the bottom plate, one side, away from the balancing weight, of each fixing plate is slidably provided with a movable plate, one end, away from the balancing weight, of each movable plate is provided with an elastic abdication structure, and the elastic abdication structure is matched with a locking groove formed in the elevator guide rail.

As still further aspects of the utility model: the elastic abdication structure comprises a fixed rod arranged on the movable plate, wherein one end of the fixed rod, which is far away from the movable plate, penetrates through the side wall of the car, a sleeve barrel is arranged in a sliding manner, one end of the sleeve barrel, which is far away from the fixed rod, is fixedly provided with a locking block, a compression spring is arranged in the sleeve barrel in a sliding manner, one end of the compression spring is in butt joint with the fixed rod, and the other end of the compression spring is in butt joint with the bottom of the sleeve barrel.

As still further aspects of the utility model: the locking groove comprises a wedge-shaped groove, the wedge-shaped groove is matched with the locking block, and a plurality of groups of locking grooves are formed in the axial direction of the elevator guide rail at equal intervals.

As still further aspects of the utility model: the unlocking assembly comprises a U-shaped connecting rod which is arranged in the placing cavity in a sliding mode, two ends of the U-shaped connecting rod are fixedly provided with inserting rods, reset springs are arranged on the inserting rods in a sliding mode, one ends of the reset springs are in butt joint with the U-shaped connecting rod, the other ends of the reset springs are in butt joint with movable sleeves which are arranged on the inserting rods in a sliding mode, and one ends, away from the reset springs, of the movable sleeves are fixedly provided with positioning blocks.

Compared with the prior art, the utility model has the beneficial effects that:

Through setting up overweight alarm assembly, after personnel surpass nuclear load weight in the car, can carry out the overweight suggestion of pronunciation to remind the passenger in the car, voluntarily carry out the personnel abatement;

Meanwhile, the descending overspeed early warning assembly is arranged in the car placement cavity, so that passengers can be prevented from touching by mistake, when the control module is out of control and the car descends at a high speed, the car is forced to stop, and a voice prompt is sent to remind the passengers to quickly withdraw the car, and unknown people are warned to avoid using the car;

And the locking assembly can lock the car when the traction rope of the car breaks, so that the car can stop after a layer of continuous falling, and the possibility of injury of passengers in the car is reduced.

Drawings

Fig. 1 is a schematic diagram of an embodiment of an automatic safety alarm for home elevators.

Fig. 2 is a schematic structural view of a car side plate slider in an embodiment of a home elevator safety automatic alarm device.

Fig. 3 is a schematic structural view of a connection between a supporting structure and a base plate in an embodiment of an automatic safety alarm device for home elevators.

Fig. 4 is a schematic structural view of a supporting structure in an embodiment of a home elevator safety automatic alarm device.

Fig. 5 is a schematic structural view of a base plate in an embodiment of a home elevator safety automatic alarm device.

Fig. 6 is a schematic view of a structure of a home elevator safety automatic alarm device in an embodiment of the home elevator installation chamber.

Fig. 7 is a schematic structural diagram of a stall warning mechanism in an embodiment of an automatic safety alarm for home elevators

Fig. 8 is a schematic structural view of a trigger assembly in one embodiment of a home elevator safety automatic alarm device.

Fig. 9 is a schematic structural view of a locking assembly in one embodiment of a home elevator safety automatic alarm device.

Fig. 10 is a schematic structural view of an unlocking component in an embodiment of a home elevator safety automatic alarm device.

Fig. 11 is a schematic structural view of a locking groove in an embodiment of a home elevator safety automatic alarm device.

In the figure: 1. a car; 101. a slide block; 102. placing a chamber; 103. an alarm switch; 2. a bottom plate; 201. sleeving a plate; 202. pressing the blocks; 3. a plug board; 4. a sleeve joint shell; 5. a control box; 6. a support spring; 7. an overweight switch; 8. a U-shaped connecting rod; 801. a lifting plate; 9. a trigger lever; 10. a connecting frame; 11. balancing weight; 12. a first spring; 13. a second spring; 14. a slide bar; 15. a fixing plate; 1501. a clamping rod; 16. a moving plate; 1601. a chute; 17. a fixed rod; 18. a compression spring; 19. a sleeve joint cylinder; 20. a locking block; 21. inserting a connecting rod; 22. a return spring; 23. moving the sleeve; 24. a positioning block; 25. an elevator guide rail; 2501. wedge-shaped grooves.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In addition, an element in the present disclosure may be referred to as being "fixed" or "disposed" on another element or being directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 11, an automatic safety alarm device for home elevators comprises a car 1, wherein sliding blocks 101 are fixedly arranged on the left and right side plates of the car 1, the sliding blocks 101 are in sliding connection with elevator guide rails 25 fixedly arranged on the wall of a hoistway,

The car also comprises an overweight alarm assembly arranged in the car 1, wherein the overweight alarm assembly comprises a bottom plate 2 which is arranged in the car 1 in a sliding way, the bottom plate 2 is connected with the bottom of the car 1 through a supporting structure, and when the pressure of the bottom plate 2 exceeds a normal value, the bottom plate 2 can trigger an overweight switch 7 arranged at the bottom of the car 1;

The supporting structure comprises supporting springs 6 connected with the bottom plate 2 and the bottom of the car 1, wherein at least two groups of supporting springs 6 are arranged, and the supporting springs 6 are uniformly distributed on the bottom plate 2;

Preferably, referring to fig. 1, 2, 3, 4 and 5, the supporting springs 6 are provided with four groups and are uniformly distributed on the bottom plate 2, specifically, the bottom plate 2 is fixedly provided with a sleeving plate 201, the sleeving plate 201 is slidably arranged on the sleeving plate 3 fixed at the bottom of the car 1, so that the bottom plate 2 can only move along the vertical direction of the car 1, in an initial state, the supporting springs 6 are in a compressed state, the bottom plate 2 is pushed to be far away from the bottom of the car 1, after passengers enter the car 1, the bottom plate 2 can further compress the supporting springs 6 downwards, at this time, a pressing block 202 fixedly arranged on the bottom plate 2 is gradually close to the overweight switch 7 until the passengers in the car 1 exceed the nuclear load weight, then the pressing block 202 is pressed against the overweight switch 7 for voice overweight prompting, so as to remind passengers in the car 1, the bottom plate 2 ascends, the pressing block 202 is gradually separated from the overweight switch 7 until the pressure born by the bottom plate 2 descends to the nuclear overweight weight, the pressing block 202 is completely separated from the overweight switch 7, then the pressing block 202 is closed, and then the normally closed switch is controlled to descend in the process of the movement of the car 2, and the movement is triggered in the process of the movement of the overweight switch is controlled to descend, and the movement of the overweight switch 7 is controlled in the descending process.

Referring to fig. 1, 2, 6, 7, 8, 9, 10 and 11, the automatic safety alarm device for home elevators further comprises a descending overspeed early warning mechanism, which is arranged in a placement chamber 102 formed in the car 1 and comprises a trigger component and a locking component which are arranged in a linkage manner, wherein the trigger component is connected with the bottom plate 2, when the car 1 ascends rapidly, the bottom plate 2 descends to drive the trigger component to act, an alarm switch 103 arranged in the placement chamber 102 is opened, and the locking component acts to lock the position of the car 1;

The trigger assembly is symmetrically provided with two groups along the length direction of the bottom plate 2, each group of trigger assembly comprises a sliding rod 14 which is arranged on the bottom plate 2 in a sliding manner, the sliding rods 14 are symmetrically provided with two groups along the width direction of the bottom plate 2, one end of each sliding rod 14, which is far away from the overweight switch 7, is fixedly provided with a balancing weight 11, each sliding rod 14 is provided with a first spring 12 and a second spring 13 in a sliding manner, one end of each first spring 12 is abutted with the bottom plate 2, the other end of each first spring is abutted with the balancing weight 11, one end of each second spring 13 is abutted with the bottom plate 2, and the other end of each second spring is abutted with a gasket formed at the end of each sliding rod 14;

For the expansion, referring to fig. 1, 2, 7 and 8, the sleeve-joint shell 4 is fixedly arranged on the left side plate and the right side plate in the car 1, the triggering component is arranged in the sleeve-joint shell 4, the triggering component can be protected, the first spring 12 and the second spring 13 are in a compressed state, the two groups of springs are mutually matched, the bottom plate 2 can be stabilized in the middle section of the slide bar 14, in the running process of the elevator, the first spring 12 and the second spring 13 interact, the bottom plate 2 can be always kept in a balanced state in the middle section of the slide bar 14, so that the locking component is controlled to act, and in addition, the locking component is controlled to fix the position of the car 1 when the elevator descends at overspeed.

The locking components are symmetrically arranged in two groups along the length direction of the bottom plate 2, each group of locking components comprises a fixed plate 15 fixedly arranged on the sliding rod 14, the fixed plates 15 are symmetrically arranged in two groups along the width direction of the bottom plate 2, one side, far away from the balancing weight 11, of each fixed plate 15 is slidably provided with a movable plate 16, one end, far away from the balancing weight 11, of each movable plate 16 is provided with an elastic abdication structure, and the elastic abdication structure is matched with a locking groove formed in the elevator guide rail 25;

Referring to fig. 7, 8, 9 and 10, specifically, the fixing plate 15 is provided with a clamping rod 1501, the clamping rod 1501 is slidably disposed in a chute 1601 formed on the moving plate 16, the two groups of moving plates 16 disposed along the width direction of the bottom plate 2 are fixedly connected through a connecting frame 10, the connecting frame 10 is configured into a "ii" structure, and includes a vertical rod fixedly connected with the two groups of moving plates 16, one end of the vertical rod away from the moving plates 16 is connected through a locking rod, particularly, referring to fig. 6 and 7, a triggering rod 9 is fixedly disposed on the locking rod near one side of the alarm switch 103;

the elastic abdication structure comprises a fixed rod 17 arranged on the movable plate 16, one end of the fixed rod 17, which is far away from the movable plate 16, penetrates through the side wall of the car 1, a sleeve barrel 19 is slidably arranged, a locking block 20 is fixedly arranged at one end of the sleeve barrel 19, which is far away from the fixed rod 17, a compression spring 18 is slidably arranged in the sleeve barrel 19, one end of the compression spring 18 is abutted with the fixed rod 17, and the other end of the compression spring is abutted with the bottom of the sleeve barrel 19;

The locking groove comprises a wedge-shaped groove 2501, the wedge-shaped groove 2501 is matched with the locking block 20, and a plurality of groups are equidistantly arranged along the axial direction of the elevator guide rail 25;

In the initial state, the moving plate 16 is close to the sliding rod 14, at this moment, the clamping rod 1501 is located at the middle end of the chute 1601, when a passenger in the elevator moves, the bottom plate 2 moves up and down, so that the sliding rod 14 moves up and down relative to the bottom plate 2, and further the moving plate 16 is driven to move away from or close to the sliding rod 14, and during the rising process of the bottom plate 2, the moving plate 16 and the side wall of the chute 1601 squeeze, so that the locking block 20 is forced to move towards one end of the elevator guide rail 25, and during the running process, the arc-shaped surface of the locking block 20 is in contact with the guide inclined surface of the wedge-shaped groove 2501 to squeeze, so that the locking block 20 is forced to move towards the moving plate 16, and further the compression spring 18 compresses, so as to ensure that the locking block 20 is not combined with the wedge-shaped groove 2501, and the car 1 is forced to stop;

However, when the elevator control module is out of control, when the car 1 drops rapidly, the bottom plate 2 is in a weightlessness state, and rises vertically relative to the car 1, at this time, the first spring 12 and the second spring 13 cooperate with each other to drive the slide bar 14 to rise, the moving plate 16 drives the locking block 20 to approach the elevator guide rail 25 and contact with the elevator guide rail 25, at this time, the compression amount of the compression spring 18 reaches the maximum, the car 1 continues to drop, friction is generated between the locking block 20 and the elevator guide rail 25, the car 1 can drop, until the locking block 20 approaches the wedge groove 2501, the compression spring 18 releases elastic potential energy when the arc surface of the locking block 20 contacts with the guide inclined surface of the wedge groove 2501, the locking block 20 is combined with the wedge groove 2501 after the arc surface crosses the guide inclined surface, the position of the car 1 can be locked, passengers in the car 1 can be prevented from continuing to drop, and meanwhile, when the car 1 is broken, the car 1 can be locked, and the car 1 can be stopped continuously.

Referring to fig. 1, 2, 6, 7 and 10, an automatic safety alarm device for home elevators further includes an unlocking component, which is disposed in the placement chamber 102 and cooperates with the triggering component to release the alarm switch 103;

The unlocking assembly comprises a U-shaped connecting rod 8 which is arranged in the placing cavity 102 in a sliding manner, two ends of the U-shaped connecting rod 8 are fixedly provided with a plug rod 21, a return spring 22 is arranged on the plug rod 21 in a sliding manner, one end of the return spring 22 is abutted with the U-shaped connecting rod 8, the other end of the return spring is abutted with a movable sleeve 23 which is arranged on the plug rod 21 in a sliding manner, and one end, far away from the return spring 22, of the movable sleeve 23 is fixedly provided with a positioning block 24;

Specifically, please refer to fig. 1, 2, 10, the fixed lifting plate 801 that is provided with in middle section of above-mentioned U type connecting rod 8, lifting plate 801 is connected with the fixed electronic lift pole (not shown in the figure) that sets up in car 1, and electronic telescopic handle and lifting plate 801 are arranged in car 1 in the control box 5 that sets up, in order to prevent the passenger from touching by mistake, in the initial condition, electronic telescopic handle promotes lifting plate 801 and U type connecting rod 8 and is close to bottom plate 2, set up the inclined plane and the locking lever contact of being "right trapezoid" structure locating piece 24 this moment, when car 1 falls out of control, movable plate 16 can drive the locking lever and be close to alarm switch 103, at this moment locking lever and locating piece 24 produce the extrusion, promote locating piece 24 to be close to U type connecting rod 8 until locating piece 24 crosses the locking lever, reset spring 22 releases elastic potential energy, promote locating piece 24 and keep away from U type connecting rod 8, the vertical face and the locking lever contact this moment, can make the locking lever be close to alarm switch 103 all the time, the trigger lever 9 that fixes on the locking lever can press the switch 103 and the U type connecting rod is close to bottom plate 2, when setting up to the control box 1 out of control box 1 and the control is not to take place, and the alarm is not known when the lift car 1 is moved away from the control plate 1, and the personnel is not to take place to take precautions and the alarm, and the alarm can take place when the maintenance personnel is not to take off the control lift out and stop, and repair car 1 and stop, and take care of the control personnel and stop, and take care of the control and stop 1 and stop can be normal and stop, and stop case and stop is left and stop, and when the control is left and the control.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides a home use elevator security automatic alarm device, includes car (1), fixedly provided with slider (101) on the left and right sides board of car (1), slider (101) and fixed elevator guide rail (25) sliding connection who sets up on the well wall, its characterized in that:

The car is characterized by further comprising an overweight alarm assembly arranged in the car (1), wherein the overweight alarm assembly comprises a bottom plate (2) arranged in the car (1) in a sliding manner, the bottom plate (2) is connected with the bottom of the car (1) through a supporting structure, and when the pressure of the bottom plate (2) exceeds a normal value, the bottom plate (2) can trigger an overweight switch (7) arranged at the bottom of the car (1);

The descending overspeed early warning mechanism is arranged in a placement cavity (102) formed in the car (1) and comprises a trigger assembly and a locking assembly which are arranged in a linkage manner, the trigger assembly is connected with the bottom plate (2), when the car (1) ascends rapidly, the bottom plate (2) descends, the trigger assembly can be driven to act, an alarm switch (103) arranged in the placement cavity (102) is opened, and the locking assembly acts and can lock the position of the car (1);

And the unlocking component is arranged in the placing cavity (102) and matched with the triggering component, and can release the alarm switch (103).

2. The home elevator safety automatic alarm device according to claim 1, characterized in that the supporting structure comprises supporting springs (6) connecting the bottom plate (2) and the bottom of the car (1), the supporting springs (6) are provided with at least two groups, and the supporting springs (6) are evenly distributed on the bottom plate (2).

3. The automatic home elevator safety alarm device according to claim 1, wherein the trigger assembly is symmetrically provided with two groups along the length direction of the bottom plate (2), each group of trigger assemblies comprises a sliding rod (14) which is slidably arranged on the bottom plate (2), the sliding rods (14) are symmetrically provided with two groups along the width direction of the bottom plate (2), one end of each sliding rod (14) away from the overweight switch (7) is fixedly provided with a balancing weight (11), a first spring (12) and a second spring (13) are slidably arranged on each sliding rod (14), one end of each first spring (12) is abutted with the bottom plate (2), the other end of each first spring is abutted with the corresponding balancing weight (11), and one end of each second spring (13) is abutted with the bottom plate (2), and the other end of each second spring is abutted with a gasket formed at the end of each sliding rod (14).

4. A home elevator safety automatic alarm device according to claim 3, characterized in that the locking assembly is symmetrically provided with two groups along the length direction of the bottom plate (2), each group of locking assembly comprises a fixing plate (15) fixedly arranged on the sliding rod (14), the fixing plates (15) are symmetrically provided with two groups along the width direction of the bottom plate (2), one side of the fixing plates (15) far away from the balancing weight (11) is slidably provided with a movable plate (16), one end of the movable plate (16) far away from the balancing weight (11) is provided with an elastic yielding structure, and the elastic yielding structure is matched with a locking groove formed in the elevator guide rail (25).

5. The home elevator safety automatic alarm device according to claim 4, wherein the elastic yielding structure comprises a fixed rod (17) arranged on the movable plate (16), one end of the fixed rod (17) away from the movable plate (16) penetrates through the side wall of the car (1), a sleeve barrel (19) is slidably arranged, one end of the sleeve barrel (19) away from the fixed rod (17) is fixedly provided with a locking block (20), a compression spring (18) is slidably arranged in the sleeve barrel (19), one end of the compression spring (18) is abutted with the fixed rod (17), and the other end of the compression spring is abutted with the bottom of the sleeve barrel (19).

6. The home elevator safety automatic alarm device according to claim 5, characterized in that the locking groove comprises a wedge groove (2501), the wedge groove (2501) is adapted to the locking block (20) and is provided with a plurality of groups equidistantly along the axial direction of the elevator guide rail (25).

7. The home elevator safety automatic alarm device according to claim 2, wherein the unlocking component comprises a U-shaped connecting rod (8) slidably arranged in the placement cavity (102), two ends of the U-shaped connecting rod (8) are fixedly provided with inserting rods (21), a return spring (22) is slidably arranged on the inserting rods (21), one end of the return spring (22) is abutted with the U-shaped connecting rod (8), the other end of the return spring is abutted with a movable sleeve (23) slidably arranged on the inserting rods (21), and one end, far away from the return spring (22), of the movable sleeve (23) is fixedly provided with a positioning block (24).