CN220642159U

CN220642159U - Safety blocking device for home elevator

Info

Publication number: CN220642159U
Application number: CN202320981590.5U
Authority: CN
Inventors: 纪向阳
Original assignee: Apslelevator Suzhou Co ltd
Current assignee: Apslelevator Suzhou Co ltd
Priority date: 2023-04-26
Filing date: 2023-04-26
Publication date: 2024-03-22
Anticipated expiration: 2033-04-26

Abstract

The utility model belongs to the technical field of elevator overhaul, and particularly relates to a safety blocking device for a household elevator, which solves the problems of poor safety and low overhaul efficiency in the prior art.

Description

Safety blocking device for home elevator

Technical Field

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

Background

At present, with the progress of science and technology, home elevators are becoming more popular, because the pit of a home elevator with limited space is generally shallower, when the elevator is required to be overhauled at the bottom of a car, the elevator is required to be lifted between a first floor and a second floor, and at the moment, if the elevator has accidents such as misoperation or disconnection of a steel wire rope, personnel overhauling at the bottom of the car can face personal risks, so that a protection device is arranged at the pit for protecting staff.

The authorized bulletin number in the prior art is: CN214780046U, entitled: a home use elevator safety protection device, safety protection device sets up in the well, and the well includes to heavy lateral wall, car lateral wall and connects two connection lateral walls to heavy lateral wall and car lateral wall, and safety protection device includes two supporting mechanism that are used for supporting the elevator car between one deck and two-layer, and two supporting mechanism arrange respectively on two connection lateral walls. The application has the effects of reducing the occupation of pit space and improving the overhaul efficiency of working personnel.

Although the utility model uses the device to protect the safety of staff at the pit bottom, the utility model does not set up the corresponding device, in order to prevent the sudden elevator from going upward and causing injury to staff, so there is the problem of poor safety, in addition, the existing elevator roof guard rail is all integrally fixed by using the screw, especially the heavy guard rail, both dismantlement and installation are very tedious to influence the maintenance efficiency, so there is the problem of inefficiency.

Disclosure of Invention

The utility model aims to provide a safety blocking device for a home elevator, which solves the problems of poor safety and low maintenance efficiency.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a safety blocking device for home use elevator, includes the elevator box, the inside rotation of elevator box installs two screws that are symmetrical arrangement, two one side of screw is all through screw fixedly connected with second bevel gear, the inside sliding fit of elevator box has two second connecting rods that are symmetrical arrangement, screw thread installs the inside of second connecting rod, two one side of second connecting rod is all through screw fixedly connected with first connecting rod, two one side of first connecting rod is all through screw fixedly connected with blocking piece, the internally mounted of elevator box has the motor, the output of motor is connected with the drive shaft through the shaft coupling, fixed cover is equipped with first bevel gear on the outer peripheral face of drive shaft, two second bevel gear all with first bevel gear meshing is connected.

Preferably, the top of the elevator box body is fixedly connected with four supporting columns which are symmetrically arranged through screws, each two supporting columns are fixedly connected with a guardrail through screws, and one guardrail is movably hinged with a safety door.

Preferably, a first square groove is formed in the elevator box body, and the first bevel gear is rotatably arranged in the first square groove.

Preferably, threaded holes are formed in the two second connecting rods, and the threaded rods are in threaded connection with the threaded holes.

Preferably, a second square groove is formed in the elevator box body, and the two screws are rotatably installed in the second square groove.

Preferably, the elevator car body is internally provided with two first sliding grooves which are symmetrically arranged, the second connecting rod is slidably connected in the first sliding grooves, the elevator car body is internally provided with two second sliding grooves which are symmetrically arranged, and the blocking block is slidably connected in the second sliding grooves.

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

1. according to the utility model, through the arrangement of the structures such as the blocking blocks and the screw rods, the elevator is required to be lifted and lowered simultaneously on the elevator during the maintenance of the elevator, so that the driving shaft is driven to rotate by the motor, the first bevel gear is fixed on the driving shaft and rotates together, the two second bevel gears meshed with the first bevel gear rotate together to drive the screw rods to rotate, and simultaneously, the two second connecting rods on the screw rods respectively move leftwards and rightwards to drive the two blocking blocks to move until the two blocking blocks are clamped in the elevator shaft to be fixed, thereby achieving the maintenance, and solving the problem of insufficient safety.

2. According to the utility model, through the arrangement of structures such as the support columns and the guardrails, the existing guardrails are integrated, namely, the existing guardrails are heavy and cannot be matched with elevators with different sizes, so that the split type guardrails are used, the four support columns are fixedly connected to the elevator box body through screws, the guardrails with proper sizes are selected to be fixed on the four support columns, and finally, the safety door is installed, so that safety maintenance can be performed on the elevator roof, the efficiency of installing the guardrails is improved, the storage efficiency of workers is also improved, and the problem of low maintenance efficiency is solved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of the present utility model;

fig. 3 is an enlarged view of the utility model at a.

In the figure: 1. an elevator cage; 2. a support column; 3. a blocking piece; 4. a first link; 5. a safety door; 6. guard bars; 7. a second chute; 8. a drive shaft; 9. a first bevel gear; 10. a second bevel gear; 11. a second link; 12. a screw; 13. a first square groove; 14. a threaded hole; 16. a second square groove; 17. and a first chute.

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.

Referring to fig. 1-3, a safety blocking device for a home elevator comprises an elevator box body 1, wherein two symmetrically arranged screw rods 12 are rotatably installed in the elevator box body 1, one sides of the two screw rods 12 are fixedly connected with a second bevel gear 10 through screws, the inside of the elevator box body 1 is slidably provided with two symmetrically arranged second connecting rods 11, the screw rods 12 are threadedly installed in the second connecting rods 11, one sides of the two second connecting rods 11 are fixedly connected with a first connecting rod 4 through screws, one sides of the two first connecting rods 4 are fixedly connected with a blocking block 3 through screws, a motor is installed in the elevator box body 1, the output end of the motor is connected with a driving shaft 8 through a coupling, a first bevel gear 9 is fixedly sleeved on the outer peripheral surface of the driving shaft 8, the two second bevel gears 10 are in meshed connection with the first bevel gear 9, and the elevator is in the same danger of ascending and descending through the arrangement of the blocking block 3 and the screw rods 12 and the like.

Referring to fig. 1, four supporting columns 2 which are symmetrically arranged are fixedly connected to the top of an elevator box body 1 through screws, a guardrail 6 is fixedly connected between every two supporting columns 2 through screws, a safety door 5 is movably hinged to one guardrail 6, and the safety door is arranged on the elevator box body through the arrangement of the supporting columns 2, the guardrail 6 is integrated, namely, the elevator box body 1 is heavy and cannot be matched with elevators with different sizes, so that the split type guardrail 6 is used, the four supporting columns 2 are fixedly connected to the elevator box body 1 through screws firstly, the guardrail 6 with the proper size is fixed to the four supporting columns 2, and finally, the safety door 5 is installed to carry out safe maintenance on the elevator roof, so that the efficiency of installing the guardrail 6 is improved, meanwhile, the efficiency of accommodating workers is also improved, and the problem of low maintenance efficiency is solved.

Referring to fig. 3, a first square groove 13 is formed in the elevator housing 1, and a first bevel gear 9 is rotatably installed in the first square groove 13.

Referring to fig. 3, threaded holes 14 are formed in the two second connecting rods 11, and the screw 12 is screwed into the threaded holes 14.

Referring to fig. 3, a second square groove 16 is formed in the elevator housing 1, and two screws 12 are rotatably installed in the second square groove 16.

Referring to fig. 2, two first sliding grooves 17 which are symmetrically arranged are formed in the elevator box 1, the second connecting rod 11 is slidably connected in the first sliding grooves 17, two second sliding grooves 7 which are symmetrically arranged are formed in the elevator box 1, and the blocking block 3 is slidably connected in the second sliding grooves 7.

The specific implementation process of the utility model is as follows: when the elevator needs to be overhauled, a motor connected to the driving shaft 8 is started, the motor drives the driving shaft 8 to rotate, the first bevel gear 9 rotates together because of being fixed on the driving shaft 8, the two second bevel gears 10 meshed with the first bevel gear 9 rotate together, the screw 12 is further driven to rotate, meanwhile, the two second connecting rods 11 on the screw 12 move leftwards and rightwards respectively, the two blocking blocks 3 are driven to move leftwards and rightwards respectively, the overhauling operation can be started until the fixing is completed in an elevator shaft, the problem of insufficient safety is solved, the motor is electrified to rotate reversely after the overhauling is completed, at the moment, the driving shaft 8 rotates to drive the first bevel gear 9, the first bevel gear 9 drives the two second bevel gears 10 to rotate, at the moment, the screw 12 rotates together to drive the two second connecting rods 11 on the screw 12 to move together to the middle, the two blocking blocks 3 are driven to reset, and the elevator can normally run.

In addition, when the elevator top is required to be overhauled, four support columns 2 are fixedly connected to the elevator box body 1 through screws, the guardrails 6 with proper sizes are selected to be fixed to the four support columns 2, and finally the safety door 5 is installed to safely overhaul the elevator top, so that the guardrails 6 and the movement of workers are limited, the disassembly and the installation of the workers are also convenient, and the problem of low efficiency is solved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Safety blocking device for home use elevator, comprising an elevator housing (1), characterized in that: the elevator is characterized in that two symmetrically arranged screws (12) are rotatably arranged in the elevator box body (1), one sides of the two screws (12) are fixedly connected with a second bevel gear (10) through screws, two symmetrically arranged second connecting rods (11) are slidably arranged in the elevator box body (1), the screws (12) are threadedly arranged in the second connecting rods (11), one sides of the two second connecting rods (11) are fixedly connected with a first connecting rod (4) through screws, and one sides of the two first connecting rods (4) are fixedly connected with a blocking block (3) through screws;

a motor is arranged in the elevator box body (1), the output end of the motor is connected with a driving shaft (8) through a coupler, a first bevel gear (9) is fixedly sleeved on the peripheral surface of the driving shaft (8), and two second bevel gears (10) are meshed with the first bevel gear (9);

four supporting columns (2) which are symmetrically arranged are fixedly connected to the top of the elevator box body (1) through screws, a guardrail (6) is fixedly connected between every two supporting columns (2) through screws, and a safety door (5) is movably hinged to one guardrail (6).

2. The safety barrier for home elevators according to claim 1, wherein: the elevator is characterized in that a first square groove (13) is formed in the elevator box body (1), and the first bevel gear (9) is rotatably arranged in the first square groove (13).

3. The safety barrier for home elevators according to claim 1, wherein: threaded holes (14) are formed in the second connecting rods (11), and the threaded rods (12) are in threaded connection with the interiors of the threaded holes (14).

4. The safety barrier for home elevators according to claim 1, wherein: the elevator is characterized in that a second square groove (16) is formed in the elevator box body (1), and the two screws (12) are rotatably installed in the second square groove (16).

5. The safety barrier for home elevators according to claim 1, wherein: two first sliding grooves (17) which are symmetrically arranged are formed in the elevator box body (1), the second connecting rods (11) are connected with the first sliding grooves (17) in a sliding mode, two second sliding grooves (7) which are symmetrically arranged are formed in the elevator box body (1), and the blocking blocks (3) are connected with the second sliding grooves (7) in a sliding mode.