CN215479082U

CN215479082U - Elevator with shock attenuation sedan-chair bottom

Info

Publication number: CN215479082U
Application number: CN202121824956.5U
Authority: CN
Inventors: 邵英豪; 陈旭; 冯波
Original assignee: Zhejiang Dansen Smart Home Technology Co ltd
Current assignee: Zhejiang Dansen Smart Home Technology Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-01-11
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses an elevator with a damping car bottom, which comprises a car wall and a car bottom, wherein the car wall is fixed on the car bottom, a car bottom plate is arranged on the car bottom, the car bottom plate is in sliding connection with a car arm, a fixing mechanism and a damping mechanism are arranged between the car bottom plate and the car bottom, the fixing mechanism comprises a driving motor positioned on the car bottom and a fixing barrel fixed on the bottom surface of the car bottom plate, a lead screw is arranged on a main shaft of the driving motor, a plurality of nuts are in threaded connection with the lead screw, the nuts are in sliding connection with the car bottom, a first wedge-shaped surface is arranged on the nuts, a wedge-shaped block is in sliding connection with the fixing barrel, a second wedge-shaped surface corresponding to the first wedge-shaped surface is arranged on the wedge-shaped block, the first wedge-shaped surface is in contact with the second wedge-shaped surface, a return spring is arranged in the fixing barrel, two ends of the return spring are respectively connected with the wedge-shaped block and the car bottom plate, so that the damping is provided when the elevator is in operation, and the elevator is supported on the car bottom plate by the wedge-shaped block to prevent the elevator from shaking, the riding experience of passengers is improved.

Description

Elevator with shock attenuation sedan-chair bottom

Technical Field

The utility model belongs to the field of elevator structures, and particularly relates to an elevator with a damping car bottom.

Background

The car is a box-shaped space used by elevators to carry and transport people and materials. The lift car is generally composed of main parts such as a car bottom, a car wall, a car roof, a car door and the like, is a car body part of the lift for carrying passengers or goods and other loads, the car bottom is a part arranged at the bottom of the car of the elevator and used for bearing, when the elevator runs, the whole car can generate vibration, the riding comfort level of passengers in the car can be influenced when the vibration is transmitted to the car bottom, so that the existing elevator car bottom is provided with a damping mechanism for reducing the vibration on the car bottom, most of the existing damping mechanisms use damping rubber or damping springs, although a certain shock-absorbing effect can be provided when the elevator is in operation, when people or goods get in or out of the elevator, the stopped elevator car can shake or rock due to the walking of people, and particularly when the elevator needs to stop at a floor for multiple times during ascending or descending, the riding experience of passengers in the elevator is influenced by frequent people entering and exiting.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the elevator with the damping car bottom, which can provide damping when the elevator runs, prevent the elevator from shaking when the elevator stops and improve the riding experience of passengers.

In order to achieve the purpose, the utility model provides the following technical scheme: an elevator with a damping car bottom comprises a car wall and a car bottom, wherein the car wall is fixed on the car bottom, a car bottom plate is arranged on the car bottom, the car bottom plate is connected with the car arm in a sliding way, a fixing mechanism and a damping mechanism are arranged between the car bottom plate and the car bottom, the fixing mechanism comprises a driving motor positioned on the car bottom and a fixing cylinder fixed on the bottom surface of the bottom plate of the car, a lead screw is arranged on a main shaft of the driving motor, the screw rod is in threaded connection with a plurality of nuts, the nuts are in sliding connection with the car bottom, a first wedge-shaped surface is arranged on each nut, the fixed cylinder is internally connected with a wedge block in a sliding way, the wedge block is provided with a second wedge surface corresponding to the first wedge surface, the first wedge surface is abutted against the second wedge surface, be provided with reset spring in the fixed cylinder, wedge and car bottom plate are connected respectively at reset spring's both ends.

Further, damper includes the fixed block, be provided with the shock attenuation groove on the fixed block, sliding connection has the shock attenuation pole in the shock attenuation groove, the bottom surface fixed connection of shock attenuation pole and car bottom plate, be provided with damping spring on the shock attenuation pole, fixed block and car bottom plate are connected respectively to damping spring's both ends.

Further, the side all around of car floor is provided with flexible groove, flexible inslot is provided with a pearl and expanding spring, a pearl and flexible groove sliding connection push up, the bottom surface in pearl and flexible groove is connected respectively to expanding spring's both ends, it is inconsistent with the sedan-chair wall to push up the pearl.

Further, be provided with the first top briquetting that extends towards bottom car plate on the wedge, be provided with the second top briquetting that corresponds first top briquetting on the bottom car plate, reset spring cover is located on first top briquetting and the second top briquetting, be provided with the locating piece on the first top briquetting, be provided with the constant head tank that corresponds the locating piece on the second top briquetting.

Furthermore, a plurality of reinforcing ribs are arranged between the fixed cylinder and the car bottom plate.

Furthermore, a plurality of supporting blocks are arranged on the car bottom, and the screw rod penetrates through the supporting blocks and is rotatably connected with the supporting blocks.

And a damping rubber gasket is arranged between the fixed block and the car platform.

Compared with the prior art, the utility model has the beneficial effects that: when the elevator operates, the damping mechanism between accessible car bottom plate and the sedan-chair bottom carries out the shock attenuation, when the elevator stops, starts driving motor, makes first roof pressure piece on the wedge inconsistent with the second roof pressure piece on the car bottom plate to it is fixed between the car bottom plate and the sedan-chair bottom to make the car bottom plate produce when personnel or goods business turn over car and rock, influences the interior personnel of car and take experience.

Drawings

Fig. 1 is a schematic structural view of an elevator having a shock-absorbing platform according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is an enlarged view of a portion B in fig. 1.

Reference numerals: 1. a car wall; 2. a car bottom; 3. a car floor; 4. a fixing mechanism; 401. a drive motor; 402. a fixed cylinder; 403. a screw rod; 404. a nut; 405. a first wedge-shaped face; 406. a wedge block; 407. a second wedge-shaped face; 408. a return spring; 409. a first top pressing block; 410. a second top pressing block; 411. positioning blocks; 412. positioning a groove; 413. reinforcing ribs; 414. a support block; 5. a damping mechanism; 501. a fixed block; 502. a damping groove; 503. a shock-absorbing lever; 504. a damping spring; 505. a shock-absorbing rubber gasket; 6. a telescopic groove; 7. a top bead; 8. a telescoping spring.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.

The present invention is further explained with reference to fig. 1 to 4.

An elevator with a damping car bottom comprises a car wall 1 and a car bottom 2, wherein the car wall 1 is fixed on the car bottom 2, a car bottom plate 3 is arranged on the car bottom 2, the car bottom plate 3 is in sliding connection with a car arm, a fixing mechanism 4 and a damping mechanism 5 are arranged between the car bottom plate 3 and the car bottom 2, the fixing mechanism 4 comprises a driving motor 401 positioned on the car bottom 2 and a fixing cylinder 402 fixed on the bottom surface of the car bottom plate 3, a lead screw 403 is arranged on a main shaft of the driving motor 401, a plurality of nuts 404 are in threaded connection on the lead screw 403, the nuts 404 are in sliding connection with the car bottom 2, a first wedge surface 405 is arranged on the nuts 404, a wedge block 406 is in sliding connection with the fixing cylinder 402, a second wedge surface 407 corresponding to the first wedge surface 405 is arranged on the wedge block 406, the first wedge surface 405 is abutted to the second wedge surface 407, a reset spring 408 is arranged in the fixing cylinder 402, the two ends of the return spring 408 are connected to the wedge block 406 and the car floor 3, respectively.

As shown in fig. 1 to 4, passengers stand on a car floor 3 of a platform 2, and when the elevator is operated, the car floor 3 can be damped by the damping mechanism 5 between the car floor 3 and the car floor 2, and when the elevator stops on the floor, between the opening of the car door, the driving motor 401 is started to drive the screw 403 to rotate, and simultaneously, the screw 404 on the screw 403 is enabled to move, so that the wedge block 406 is moved upwards in the fixed barrel 402 towards the car floor 3, by the first wedge surface 405 on the nut 404 cooperating with the second wedge surface 407 on the wedge block 406, until the top surface of the wedge block 406 abuts against the bottom surface of the car floor 3, namely, the car floor 3 is supported by the wedge block 406, the car floor 3 and the car floor 2 are relatively fixed, when people get in and out of the car, the situation that the car shakes due to the damping mechanism 5 to affect the riding experience of passengers riding in the car is avoided.

When the car door is closed, the driving motor 401 is rotated in the reverse direction to move the nut 404 in the reverse direction, so that the wedge block 406 descends under the elastic force of the return spring 408 and is always abutted against the nut 404 in the descending process, and the car bottom plate 3 is fixed next time.

As shown in fig. 3, the damping mechanism 5 preferably in this embodiment includes a fixed block 501, a damping groove 502 is provided on the fixed block 501, a damping rod 503 is slidably connected in the damping groove 502, the damping rod 503 is fixedly connected to the bottom surface of the car floor 3, a damping spring 504 is provided on the damping rod 503, two ends of the damping spring 504 are respectively connected to the fixed block 501 and the car floor 3, that is, when the wedge block 406 is separated from the car floor 3, the damping rod 503 can slide on the damping groove 502 of the fixed block 501, and the damping between the car floor 3 and the car floor 2 can be realized by the elastic force of the damping spring 504.

As shown in fig. 4, what this embodiment is preferred is provided with flexible groove 6 on the side all around of car floor 3, be provided with a pearl 7 and expanding spring 8 in the flexible groove 6, top pearl 7 and flexible groove 6 sliding connection, the bottom surface of a pearl 7 and flexible groove 6 is connected respectively at expanding spring 8's both ends, top pearl 7 offsets with sedan-chair wall 1, when elevator operation produced vibrations, can make car floor 3 slide on sedan-chair wall 1 through a pearl 7, realizes car floor 3's stability, and can absorb the horizontal vibrations that produce on sedan-chair wall 1 through expanding spring 8 to improve car floor 3's shock attenuation effect.

As shown in fig. 2, it is preferable in this embodiment that a first top pressing block 409 extending toward the car floor 3 is provided on the wedge block 406, a second top pressing block 410 corresponding to the first top pressing block 409 is provided on the car floor 3, the reset spring 408 is sleeved on the first top pressing block 409 and the second top pressing block 410, a positioning block 411 is provided on the first top pressing block 409, a positioning groove 412 corresponding to the positioning block 411 is provided on the second top pressing block 410, when the elevator stops, the first top pressing block 409 is abutted to the second top pressing block 410, and the positioning block 411 is extended into the positioning groove 412, so as to improve the fixing effect on the car floor 3.

As shown in fig. 2, in the present embodiment, a plurality of ribs 413 are preferably disposed between the fixed cylinder 402 and the car floor 3, so as to improve the fixing effect and the supporting effect on the fixed cylinder 402, and prevent the fixed cylinder 402 from bending and changing phase when the wedge block 406 slides in the fixed cylinder 402.

As shown in fig. 1, a plurality of supporting blocks 414 are preferably disposed on the platform 2, and the screw 403 passes through the supporting blocks 414 and is rotatably connected with the supporting blocks 414, that is, the screw 403 is supported by the supporting blocks 414, so as to improve the rotating effect of the screw 403.

As shown in fig. 3, a rubber gasket 505 is preferably disposed between the fixing block 501 and the car platform 2 in this embodiment, that is, the rubber gasket 505 is used to pre-damp the vibration generated by the fixing block 501 on the car platform 2, so as to improve the damping effect on the car platform 3.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. The utility model provides an elevator with shock attenuation sedan-chair bottom, includes the sedan-chair wall and the sedan-chair bottom, and the sedan-chair wall is fixed on the sedan-chair bottom, its characterized in that: be provided with car bottom plate on the sedan-chair bottom, car bottom plate and sedan-chair arm sliding connection, be provided with fixed establishment and damper between the car bottom plate and the sedan-chair bottom, fixed establishment is including being located the driving motor on the sedan-chair bottom and being fixed in the solid fixed cylinder on the car bottom surface, is provided with the lead screw on driving motor's the main shaft, threaded connection has a plurality of nuts on the lead screw, sliding connection at the bottom of nut and the sedan-chair, be provided with first wedge on the nut, sliding connection has the wedge in the solid fixed cylinder, be provided with the second wedge that corresponds first wedge on the wedge, first wedge and second wedge are inconsistent, be provided with reset spring in the solid fixed cylinder, wedge and car bottom plate are connected respectively at reset spring's both ends.

2. The elevator with the shock absorbing platform as set forth in claim 1, wherein: the damping mechanism comprises a fixed block, a damping groove is formed in the fixed block, a damping rod is connected in the damping groove in a sliding mode, the damping rod is fixedly connected with the bottom surface of the car bottom plate, a damping spring is arranged on the damping rod, and the two ends of the damping spring are connected with the fixed block and the car bottom plate respectively.

3. The elevator with the shock absorbing platform as set forth in claim 2, wherein: the car bottom plate is characterized in that telescopic grooves are formed in the side faces of the periphery of the car bottom plate, top beads and telescopic springs are arranged in the telescopic grooves, the top beads are connected with the telescopic grooves in a sliding mode, the two ends of each telescopic spring are connected with the bottom faces of the top beads and the telescopic grooves respectively, and the top beads are abutted to car walls.

4. The elevator with the shock absorbing platform as set forth in claim 3, wherein: be provided with the first top briquetting that extends towards bottom car plate on the wedge, be provided with the second top briquetting that corresponds first top briquetting on the bottom car plate, reset spring cover is located on first top briquetting and the second top briquetting, be provided with the locating piece on the first top briquetting, be provided with the constant head tank that corresponds the locating piece on the second top briquetting.

5. The elevator with the shock absorbing platform as set forth in claim 4, wherein: a plurality of reinforcing ribs are arranged between the fixed cylinder and the car bottom plate.

6. The elevator with the shock absorbing platform as set forth in claim 5, wherein: the support blocks are arranged on the car bottom, and the screw rods penetrate through the support blocks and are rotatably connected with the support blocks.

7. The elevator with the shock absorbing platform as set forth in claim 6, wherein: and a damping rubber gasket is arranged between the fixed block and the car bottom.