CN217808167U - Machine room-less elevator car with small bottom pit and small top layer - Google Patents

Abstract

The utility model discloses a machine room-less elevator car with a small bottom pit and a small top floor, comprising a car body, the upper surface of the car body is fixedly connected with an upper horizontal support beam, and the side surface of the upper horizontal support beam is fixed A slider is connected, the outer surface of the slider is slidably connected with a guide rail, the right surface of the slider is provided with a lifting device, the side surface of the car body is fixedly connected with a buffer device, and the number of the buffer device is Two and distributed left and right. In the utility model, by designing the lifting device, by reducing the height of the first rolling wheel, the overall height of the car is reduced, and at the same time, the contact area between the lifting rope and the first rolling wheel is increased, thereby increasing the frictional force, and by designing the buffer device , to shorten the length of the buffer device protruding from the car body, and the vertical lifting rod can be quickly shortened during installation to increase the convenience of installation.

Description

Machine room-less elevator car with small bottom pit and small top floor

technical field

The utility model relates to the field of elevators, in particular to a machine room-less elevator car with a small bottom pit and a small top floor.

Background technique

Elevator is a kind of vertical elevator powered by electric motor, equipped with box-shaped gondola, which is used for multi-storey buildings to take people or carry goods. There is also a step type, and the tread plate is installed on the crawler belt to run continuously, commonly known as an escalator or a moving walk. Fixed lifting equipment serving specified floors. A vertical lift has a car that runs between at least two vertical columns of rigid steel guide rails. The size and structure of the car are convenient for passengers to enter and exit or to load and unload goods. It is customary to use elevator as a general term for vertical transportation in buildings regardless of its driving mode. An elevator generally includes a car, a car frame, an elevator shaft, a machine room, hoisting machinery, ropes and counterweights. A car frame surrounds the car and may include two vertical supports and two horizontal supports. According to the speed, it can be divided into low-speed elevators, fast elevators and high-speed elevators.

For example, the car elevator introduced in the patent No. CN214359665U can make adaptive adjustments to the position of the support during installation through the connection between the ball joint screw and the support, so as to cope with the low production and installation accuracy of elevator products. problem, but there are still flaws:

Some existing machine room-less elevator cars with small pits and small top floors have the following defects:

1. At present, the length of the elevator car is long, which affects the installation;

2. The current buffer mechanism will increase the length of the car.

Utility model content

The purpose of this utility model is in order to solve the shortcoming that exists in the prior art, and the machine-room-less elevator car of the small pit small top floor that proposes.

In order to achieve the above object, the utility model adopts the following technical scheme: comprising a car body, the upper surface of the car body is fixedly connected with an upper horizontal support beam, and the side surface of the upper horizontal support beam is fixedly connected with a sliding block, the outer surface of the slider is slidably connected with a guide rail, and the right surface of the slider is provided with a lifting device;

A buffer device is fixedly connected to the side surface of the car body, and the number of the buffer devices is two and distributed left and right.

As a further description of the above technical solution:

The lifting device includes a first scroll wheel, a second scroll wheel, a lifting rope, a pole and a fixed block, and the fixed block is fixedly connected with the side surface of the slide block.

As a further description of the above technical solution:

The right surface of the fixed block is fixedly connected with the lifting rope, the pole is fixedly connected with the upper horizontal support beam, the first rolling wheel is rotatably connected with the upper horizontal support beam, and the second rolling wheel is connected with the upper horizontal support beam. The side horizontal support beams are swivelly connected.

As a further description of the above technical solution:

A lateral rod is fixedly connected to the lower surface of the slider, and a telescopic rod is fixedly connected to the side surface of the lateral rod.

As a further description of the above technical solution:

The inside of the car body is provided with a box door, and the box door is fixedly connected with the output end of the telescopic rod.

As a further description of the above technical solution:

The lower surface of the car body is fixedly connected with a lower horizontal support beam, and the lower horizontal support beam is fixedly connected with the slider.

As a further description of the above technical solution:

The buffer device includes a buffer sleeve, a spring, a valve, a first sliding block, a second sliding block, a vertical lifting rod and a limit ring, and the buffer sleeve is fixedly connected to the car body.

As a further description of the above technical solution:

The top inner wall of the buffer sleeve is fixedly connected to the spring, the lower surface of the spring is fixedly connected to the first sliding block, the second sliding block is slidingly connected to the buffer sleeve, and the lower surface of the second sliding block is connected to the buffer sleeve. The vertical lifting rod is fixedly connected, the inner surface of the buffer sleeve is fixedly connected with the limit ring, and the valve is located on the side surface of the buffer sleeve.

The utility model has the following beneficial effects:

1. Compared with the prior art, the machine room-less elevator car with a small bottom pit and a small top floor, through the design of the lifting device, reduces the height of the first rolling wheel, reduces the overall height of the car, and increases the number of lifting ropes and the second wheel at the same time. A contact area between rolling wheels, thereby increasing friction.

2. Compared with the existing technology, the machine room-less elevator car with a small bottom pit and a small top floor, through the design of the buffer device, the length of the buffer device protruding from the car body is shortened, and the vertical lifting rod can be shortened quickly during installation so that Increase the convenience of installation.

Description of drawings

Fig. 1 is the internal structure schematic diagram of the machine-room-less elevator car of the little bottom pit little top floor that the utility model proposes;

Figure 2 is an enlarged schematic view of the structure at A in Figure 1;

Fig. 3 is the enlarged schematic view of the structure at B in Fig. 1;

Fig. 4 is a schematic diagram of the overall structure of a machine room-less elevator car with a small pit and a small roof proposed by the utility model.

illustration:

1. Car body; 2. Lower horizontal support beam; 3. Upper horizontal support beam; 4. First rolling wheel; 5. Second rolling wheel; 6. Lifting rope; 7. Guide rail; 8. Slider ; The second sliding block; 19, the vertical lifting rod; 20, the limit ring; 21, the buffer device.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Referring to Figures 1-4, the machine room-less elevator car with a small bottom pit and a small top floor provided by the utility model includes a car body 1, and the upper surface of the car body 1 is fixedly connected with an upper horizontal support beam 3 for throwing the car. The main body 1 is fixed, and the side surface of the upper horizontal support beam 3 is fixedly connected with a slider 8 for maintaining the sliding direction. The lower surface of the slider 8 is fixedly connected with a lateral rod 9, and the side surface of the lateral rod 9 is fixed. A telescopic rod 10 is connected to control the opening and closing of the box door 13. The outer surface of the slider 8 is slidingly connected with the guide rail 7. The right surface of the slider 8 is provided with a lifting device for pulling the height of the car body 1. Lifting device comprises first scroll wheel 4, second scroll wheel 5, lifting rope 6, pole 12 and fixed block 11, and fixed block 11 is fixedly connected with the side surface of slide block 8, and the right surface of fixed block 11 and lifting The rope 6 is fixedly connected, the pole 12 is fixedly connected with the upper horizontal support beam 3 , the first scroll wheel 4 is rotationally connected with the upper horizontal support beam 3 , and the second scroll wheel 5 is rotationally connected with the upper horizontal support beam 3 .

The inside of the car body 1 is provided with a box door 13, which is fixedly connected to the output end of the telescopic rod 10, and the lower surface of the car body 1 is fixedly connected with a lower horizontal support beam 2, which is connected to the sliding The block 8 is fixedly connected, and the side surface of the car body 1 is fixedly connected with a buffer device 21, which is used to protect the personnel inside the car body 1 when a fall occurs. The number of buffer devices 21 is two and distributed left and right. The device 21 includes a buffer sleeve 14, a spring 15, a valve 16, a first sliding block 17, a second sliding block 18, a vertical lifting rod 19 and a limit ring 20, the buffer sleeve 14 is fixedly connected to the car body 1, The top inner wall of the buffer sleeve 14 is fixedly connected to the spring 15, the lower surface of the spring 15 is fixedly connected to the first sliding block 17, and the second sliding block 18 is slidingly connected to the buffer sleeve 14. When the valve 16 is closed, the two sliding blocks There will be a closed cavity, and the gas inside is compressed, so as to have the ability of buffering. The lower surface of the second sliding block 18 is fixedly connected with the vertical lifting rod 19, and the inner surface of the buffer sleeve 14 is fixedly connected with the stop ring 20. The valve 16 is located on the side surface of the buffer sleeve 14, and the valve 16 is used to quickly slide the position of the vertical lifting rod 19 during the installation process, thereby facilitating installation.

Working principle: by pulling the right end of the lifting rope 6, the lifting of the car body 1 is controlled, and the first rolling wheel 4 located on the side of the car body 1 increases friction, reduces the space required for the upper part, and opens the valve 16 during installation , push the vertical lifting rod 19 upwards, and then close the valve 16, the length of the vertical lifting rod 19 on the lower side of the lower horizontal support beam 2 can be shortened, which is convenient for installation. After the installation is completed, slide the vertical lifting rod 19 downwards and then close the valve 16. When the elevator falls, the cavity between the two sliding blocks is compressed, and the energy is absorbed by the contraction of the spring 15.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model, All should be included within the protection scope of the present utility model.

Claims (8)

1. The machine-room-less elevator car of a small bottom pit and a small top floor, comprising a car body (1), characterized in that: the upper surface of the car body (1) is fixedly connected with an upper horizontal support beam (3), so The side surface of the upper horizontal support beam (3) is fixedly connected with a slider (8), the outer surface of the slider (8) is slidably connected with a guide rail (7), and the right surface of the slider (8) is provided with have a lifting device; A buffer device (21) is fixedly connected to the side surface of the car body (1), and the number of the buffer devices (21) is two and distributed left and right. 2. The machine room-less elevator car with a small bottom pit and a small top floor according to claim 1, characterized in that: the lifting device comprises a first rolling wheel (4), a second rolling wheel (5), a lifting rope ( 6), the support rod (12) and the fixed block (11), and the fixed block (11) is fixedly connected with the side surface of the slider (8). 3. The machine room-less elevator car with a small bottom pit and a small top floor according to claim 2, characterized in that: the right surface of the fixed block (11) is fixedly connected with the lifting rope (6), and the pole ( 12) It is fixedly connected with the upper horizontal support beam (3), the first rolling wheel (4) is rotationally connected with the upper horizontal support beam (3), and the second rolling wheel (5) is connected with the upper horizontal support beam (3) Rotate connection. 4. The machine room-less elevator car with a small bottom pit and a small top floor according to claim 1, characterized in that: the lower surface of the slider (8) is fixedly connected with a lateral rod (9), and the lateral rod The side surface of (9) is fixedly connected with expansion rod (10). 5. The machine-room-less elevator car with a small bottom pit and a small top floor according to claim 1, characterized in that: the inside of the car body (1) is provided with a box door (13), and the box door (13) It is fixedly connected with the output end of telescopic rod (10). 6. The machine room-less elevator car with a small bottom pit and a small top floor according to claim 1, characterized in that: the lower surface of the car body (1) is fixedly connected with a lower horizontal support beam (2), the The lower horizontal support beam (2) is fixedly connected with the slide block (8). 7. The machine room-less elevator car with a small bottom pit and a small top floor according to claim 1, characterized in that: the buffer device (21) comprises a buffer sleeve (14), a spring (15), a valve (16), The first sliding block (17), the second sliding block (18), the vertical lifting rod (19) and the limit ring (20), the buffer sleeve (14) is fixedly connected with the car body (1). 8. The machine room-less elevator car with a small bottom pit and a small top floor according to claim 7, characterized in that: the top inner wall of the buffer sleeve (14) is fixedly connected to the spring (15), and the spring (15) The lower surface of the second sliding block (17) is fixedly connected with the first sliding block (17), the second sliding block (18) is slidingly connected with the buffer sleeve (14), and the lower surface of the second sliding block (18) is connected with the vertical lifting rod ( 19) Fixed connection, the inner surface of the buffer sleeve (14) is fixedly connected with the limit ring (20), and the valve (16) is located on the side surface of the buffer sleeve (14).

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