CN212080033U

CN212080033U - Vibration/noise reduction device of movable cover plate of home elevator

Info

Publication number: CN212080033U
Application number: CN202020383884.4U
Authority: CN
Inventors: 马长宝
Original assignee: Beijing Fudeweiye Elevator Maintenance Co ltd
Current assignee: Beijing Fudeweiye Elevator Maintenance Co ltd
Priority date: 2020-03-24
Filing date: 2020-03-24
Publication date: 2020-12-04
Anticipated expiration: 2030-03-24

Abstract

The utility model relates to the technical field of elevator equipment, a vibration/noise reduction device of a movable cover plate of a household elevator is disclosed, which comprises a first vibration damping piece arranged between an elevator car top and the movable cover plate and a second vibration damping piece arranged between the movable cover plate and a floor slab, wherein the first vibration damping piece comprises a positioning seat arranged on the elevator car top, a moving rod connected on the positioning seat in a sliding way, a vibration damping block fixed above the moving rod and a vibration damping spring sleeved outside the moving rod, the middle part of the positioning seat is provided with a moving hole extending along the vertical direction, and the moving rod is arranged in the moving hole in a sliding way and can not be completely separated from the positioning seat; the shock absorption block comprises a jacking block and a rubber cap sleeved on the outer side of the jacking block, a limiting groove for the shock absorption block to extend into is formed in the lower end face of the movable cover plate, and the second shock absorption piece comprises an elastic damping plate fixed on the movable cover plate. The utility model discloses have the vibration noise when effectively reducing the removable cover motion, the user high effect of comfort when taking.

Description

Vibration/noise reduction device of movable cover plate of home elevator

Technical Field

The utility model belongs to the technical field of elevator equipment's technique and specifically relates to a vibration/noise reduction device of removable cover of home use elevator is related to.

Background

An elevator is a vertical elevator powered by an electric motor, equipped with a box-like car for carrying passengers or cargo in a multi-story building, and plays a very important role in the modern society as a vertical transportation means. With the improvement of the living standard of people and the pursuit of high-income people on the living quality, the market of the household elevator is gradually increased.

As shown in fig. 1, since the hoistway-less home elevator has no special hoistway, the home elevator runs between two floors, so that the floor 3 between the floors necessarily has a hole 31, and in order to prevent people from accidentally falling from the hole 31, a movable cover plate 2 is usually disposed on the floor 3. The movable cover plate 2 can move up and down along with the household elevator. When the home use elevator goes upward, the elevator car top 1 collides with the movable cover plate 2 and jacks up the movable cover plate 2, and when the home use elevator goes downward, the movable cover plate 2 can be located on the floor plate 3 and separated from the elevator.

However, when the household elevator runs, the movable cover plate can generate vibration noise in the process of contacting with the elevator car roof and the floor, so that the comfort of a user in riding is reduced, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exist, the utility model aims at providing a vibration/noise reduction device of domestic elevator's removable cover, it has the vibration noise when effectively reducing the removable cover motion, the high effect of comfort when the user takes.

The above object of the present invention can be achieved by the following technical solutions: a damping and noise reducing device of a movable cover plate of a household elevator comprises a first damping piece arranged between an elevator car top and the movable cover plate and a second damping piece arranged between the movable cover plate and a floor slab, wherein the first damping piece comprises a positioning seat arranged on the elevator car top, a moving rod connected to the positioning seat in a sliding mode, a damping block fixed above the moving rod and a damping spring sleeved on the outer side of the moving rod, a moving hole extending in the vertical direction is formed in the middle of the positioning seat, and the moving rod is arranged in the moving hole in a sliding mode and cannot be completely separated from the positioning seat; the snubber block includes jacking piece and the cover and establishes the rubber cap in the jacking piece outside, removable cover's lower terminal surface is equipped with the spacing groove that supplies the snubber block to stretch into, the second shock attenuation piece is including fixing the elastic damping board at removable cover lower extreme face.

Through adopting above-mentioned technical scheme, when domestic elevator went upward, the snubber block of elevator sedan-chair top stretched into the spacing groove and upwards jack-up with removable cover, and when the snubber block contacted with removable cover, the rubber cap had reduced both contact collisions and the noise that produces, played the effect of once buffering and falling the noise. Meanwhile, the movable rod slides to one side close to the elevator car top along the sliding hole, the damping spring is compressed and deformed, and the secondary buffering effect is achieved, so that the vibration noise generated when the elevator car top is in contact with the movable cover plate is further reduced, and the comfort level of a user is improved. The spacing groove can supply the upper end of snubber block to stretch into, and then restricts the relative removable cover horizontal migration of elevator cab top, has improved the stability of removable cover when elevator cab top drives removable cover and goes upward. When the household elevator goes down, after the elevator car roof is separated from the movable cover plate, the two ends of the movable cover plate are respectively abutted to the upper side of the floor slab, the elastic damping plate can effectively reduce vibration noise generated when the movable cover plate is in contact with the floor slab, the movable cover plate can be prevented from being violently collided with the floor slab, and the service life of the movable cover plate is prolonged.

The utility model discloses further set up to: two inner walls opposite to the moving hole are respectively provided with a guide groove extending along the vertical direction, two side walls opposite to the moving rod are respectively fixed with a guide block, and the two guide blocks are respectively connected in the two guide grooves in a sliding manner.

Through adopting above-mentioned technical scheme, when the carriage release lever was along the vertical removal in removal hole, two guide blocks slided along two guide ways respectively, and guide block and guide way cooperation not only play the effect of direction when the carriage release lever slides, still can restrict carriage release lever and positioning seat and separate completely. After the elevator car roof is separated from the movable cover plate, the damping spring can drive the damping block and the moving rod to automatically reset, and the elevator car roof is convenient to use next time.

The utility model discloses further set up to: and a return spring is fixed on the inner wall of the lower side of the guide groove, and the upper end of the return spring is fixedly connected with a guide block close to the return spring.

Through adopting above-mentioned technical scheme, can compress reset spring when the guide block moves down along the guide way and make its deformation, reset spring plays the effect of buffering once more on the one hand, has further reduced the vibration noise that produces when the elevator operation, and still disperseing damping spring's atress is favorable to reseing of snubber block and carriage release lever, has prolonged damping spring's life.

The utility model discloses further set up to: the lower terminal surface of jacking piece is equipped with annular fastening groove, integrated into one piece has the clamping ring on the rubber cap, works as when the rubber cap cover is tightly outside jacking piece, the clamping ring is arranged in the fastening groove.

Through adopting above-mentioned technical scheme, the rubber cap cover tightly in the outside of jacking piece, during the tight loop deformation imbeds fastening groove for the rubber cap is more difficult to separate with the jacking piece, has improved the joint strength of rubber cap and jacking piece.

The utility model discloses further set up to: the outer wall of the rubber cap is fixedly provided with a connecting rod, and one end of the connecting rod, which is far away from the rubber cap, is fixedly provided with a stop block with the diameter larger than that of the connecting rod.

Through adopting above-mentioned technical scheme, long-term back of using, the rubber cap can be because of the too much influence its shock attenuation effect of accumulated deformation, and the usable connecting rod of people drives the rubber cap and removes to one side of keeping away from the jacking piece this moment, and then makes rubber cap and jacking piece form the gap that supplies the finger to stretch into, makes things convenient for the staff to stretch into in order realizing tearing open of rubber cap and trade, and the dog slippage when can restricting people's hand pulling connecting rod.

The utility model discloses further set up to: and a connecting block is fixed at one end of the positioning seat close to the elevator car top, and a connecting bolt in threaded connection with the elevator car top is arranged in the connecting block in a penetrating manner.

Through adopting above-mentioned technical scheme, the positioning seat can be dismantled with the elevator cab, and people's removable new positioning seat of trading when damping spring or reset spring's elasticity reduces, and then the noise reduction effect when guaranteeing the elevator operation.

The utility model discloses further set up to: and a vacuum sucker penetrating through the elastic damping plate is fixed on the lower side of the movable cover plate.

Through adopting above-mentioned technical scheme, when removable cover whereabouts and with the floor contact, vacuum chuck can adsorb on the floor under removable cover's action of gravity for removable cover is difficult for floor removal relatively, has improved removable cover's stability, is favorable to snubber block and spacing groove to align.

The utility model discloses further set up to: an arc block positioned right below the vacuum chuck is fixed on the upper side of the floor slab, and the end face, away from the floor slab, of the arc block is a convex arc face; when the vacuum sucker is sucked with the floor slab, the arc-shaped block is positioned in a gap formed by the vacuum sucker and the floor slab.

Through adopting above-mentioned technical scheme, when removable cover received the exogenic action, the arc piece was located vacuum chuck and can restrict the displacement range of removable cover and floor, has further improved removable cover's stability.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when the household elevator goes upwards, the damping block extends into the limiting groove and jacks the movable cover plate upwards, the rubber cap plays a role in primary damping and noise reduction, the damping spring plays a role in secondary damping, and vibration noise generated when the elevator car top is in contact with the movable cover plate is effectively reduced; when the household elevator goes downwards, after the elevator car roof is separated from the movable cover plate, the elastic damping plate on the movable cover plate is abutted to the floor slab and plays a role in buffering and damping, vibration noise generated when the movable cover plate is in contact with the floor slab is reduced, and the riding comfort of a user is high;

2. when the movable rod slides along the movable hole, the guide block moves along the guide groove, and the movable rod can be limited to be separated from the positioning seat while guiding; the return spring has upward acting force on the guide block, so that the automatic return of the movable rod and the damping block is facilitated;

3. when the movable cover plate is in contact with the floor slab, the vacuum chuck is adsorbed on the floor slab and positioned outside the arc-shaped block, so that the stability of the movable cover plate is improved.

Drawings

FIG. 1 is a schematic structural view showing the relationship among the positions of a floor slab, a movable cover plate and an elevator car roof in the background art;

FIG. 2 is a schematic sectional view of the present embodiment;

fig. 3 is an exploded view of the first shock absorbing member in this embodiment.

Reference numerals: 1. an elevator car roof; 2. a removable cover plate; 21. a limiting groove; 22. a vacuum chuck; 3. a floor slab; 31. a hole; 32. an arc-shaped block; 321. a convex arc surface; 4. a first damper; 41. positioning seats; 411. connecting blocks; 412. a connecting bolt; 413. moving the hole; 414. a guide groove; 415. a return spring; 42. a travel bar; 421. a guide block; 43. a damper block; 431. jacking blocks; 432. a rubber cap; 433. a fastening groove; 434. a fastening ring; 435. a connecting rod; 436. a stopper; 44. a damping spring; 5. a second damping member; 51. an elastic damping plate; 511. and a through hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiment discloses a vibration/noise reduction device for a movable cover plate of a home elevator, and as shown in fig. 2 and 3, the vibration/noise reduction device comprises a plurality of groups of first vibration absorbing members 4 arranged between an elevator car roof 1 and the movable cover plate 2 and a plurality of groups of second vibration absorbing members 5 arranged between the movable cover plate 2 and a floor plate 3, wherein the plurality of groups of first vibration absorbing members 4 are distributed along the length direction of the elevator car roof 1. The middle part of the floor slab 3 is provided with a hole 31, the lift car roof 1 can be lifted through the hole 31, and two ends of the movable cover plate 2 are respectively positioned at two sides of the hole 31.

As shown in fig. 2 and 3, the first damper 4 includes a positioning seat 41, a moving rod 42 slidably connected to the positioning seat 41, a damper block 43 fixed on the upper side of the moving rod 42, and a damper spring 44 sleeved outside the moving rod 42, a connecting block 411 is fixed on the lower end surface of the positioning seat 41, and a plurality of connecting bolts 412 threadedly connected to the elevator car roof 1 penetrate through the connecting block 411. The middle part of the positioning seat 41 is provided with a moving hole 413 extending along the vertical direction, the cross section of the moving hole 413 is square, the moving rod 42 is arranged in the moving hole 413 in a sliding manner, the upper end of the damping spring 44 is abutted against the damping block 43, and the lower end of the damping spring is abutted against the positioning seat 41. The lower end face of the movable cover plate 2 is provided with a plurality of limiting grooves 21, and the number of the limiting grooves 21 is equal to that of the first damping pieces 4 and is respectively positioned right above each damping block 43. When the home use elevator goes upward, the damping block 43 stretches into the limiting groove 21 and lifts the movable cover plate 2 upwards, the movable rod 42 is stressed to compress the damping spring 44 to deform the damping spring, the damping spring 44 plays a role in buffering and damping, and the vibration noise generated when the elevator car top 1 is in contact with the movable cover plate 2 is reduced.

As shown in fig. 2 and 3, a guide groove 414 extending in the vertical direction is respectively formed on the left and right inner walls of the moving hole 413, the upper inner wall of the guide groove 414 is located on the lower side of the upper end surface of the positioning seat 41, a return spring 415 is fixed on the lower inner wall of the guide groove 414, a guide block 421 is fixed on each of the left and right side walls of the moving rod 42, the two guide blocks 421 are respectively slidably connected in the two guide grooves 414, and the upper end of the return spring 415 is fixedly connected to the guide block 421 close thereto. When the moving rod 42 moves vertically along the moving hole 413, the two guide blocks 421 move along the two guide grooves 414 respectively and compress the return springs 415 connected with the two guide grooves 414, and when the elevator car roof 1 is separated from the movable cover plate 2, the guide blocks 421 can be driven to move upwards by the elastic force of the return springs 415, so that the automatic resetting of the damping blocks 43 and the moving rod 42 is facilitated.

As shown in fig. 2 and 3, the damping block 43 includes a jacking block 431 and a rubber cap 432 sleeved outside the jacking block 431, the jacking block 431 is in a circular truncated cone shape with a small top and a large bottom, an annular fastening groove 433 is formed in the edge of the lower end face of the jacking block 431, a fastening ring 434 is integrally formed at the lower end of the rubber cap 432, and when the rubber cap 432 is tightly sleeved outside the jacking block 431, the fastening ring 434 is located in the fastening groove 433 and can limit the separation of the rubber cap 432 from the jacking block 431, so that the connection strength between the rubber cap 432 and the jacking block 431 is improved.

As shown in fig. 2 and 3, a connecting rod 435 is fixed on the outer wall of the rubber cap 432, a stopper 436 is fixed on one end of the connecting rod 435 away from the rubber cap 432, and the cross-sectional area of the stopper 436 is larger than that of the connecting rod 435. When the elasticity of the rubber cap 432 is weakened after long-term use, people can drive the rubber cap 432 to deform by pulling the connecting rod 435, so that the rubber cap 432 can be conveniently detached and replaced by people.

As shown in fig. 2, the second shock absorbing member 5 includes an elastic damping plate 51 fixed on the lower end surface of the movable cover plate 2, two rows of vacuum suction cups 22 are fixed on the lower side of the movable cover plate 2, the two rows of vacuum suction cups 22 are respectively close to the left and right ends of the movable cover plate 2, and a through hole 511 for the vacuum suction cup 22 to pass through is formed on the elastic damping plate 51. Two rows of arc blocks 32 respectively arranged at two sides of the hole 31 are fixed on the upper end surface of the floor slab 3, each arc block 32 is respectively positioned under the vacuum sucker 22, and the upper end surface of each arc block 32 is a convex arc surface 321. When the home use elevator goes down, the both ends of removable cover 2 butt respectively in floor 3's both ends, and elastic damping board 51 plays the effect of buffering, and vacuum chuck 22 adsorbs in floor 3 top and is located the outside of arc piece 32, plays spacing effect when removable cover 2 receives external force to promote, has improved removable cover 2's stability, is favorable to snubber block 43 and spacing groove 21 to align.

The working principle of the embodiment is as follows: when the home use elevator goes upward, the damping block 43 stretches into the limiting groove 21 and upwards jacks the movable cover plate 2, the rubber cap 432 plays a role in primary damping, the damping spring 44 plays a role in secondary damping, and the vibration noise generated when the elevator car top 1 is in contact with the movable cover plate 2 is effectively reduced. When the household elevator goes down, the elevator car top 1 is separated from the movable cover plate 2, the elastic damping plate 51 on the movable cover plate 2 is abutted to the floor plate 3 and plays a role in buffering and damping, vibration noise generated when the movable cover plate 2 is in contact with the floor plate 3 is reduced, and the comfort level for a user to take is high.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, any modification, equivalent replacement, or improvement made within the design concept of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a domestic elevator's removable cover's vibration/noise reduction device which characterized in that: the elevator car roof damping device comprises a first damping piece (4) arranged between an elevator car roof (1) and a movable cover plate (2) and a second damping piece (5) arranged between the movable cover plate (2) and a floor (3), wherein the first damping piece (4) comprises a positioning seat (41) arranged on the elevator car roof (1), a moving rod (42) connected to the positioning seat (41) in a sliding manner, a damping block (43) fixed above the moving rod (42) and a damping spring (44) sleeved on the outer side of the moving rod (42), a moving hole (413) extending in the vertical direction is formed in the middle of the positioning seat (41), and the moving rod (42) is arranged in the moving hole (413) in a sliding manner and cannot be completely separated from the positioning seat (41); the damping block (43) comprises a jacking block (431) and a rubber cap (432) sleeved on the outer side of the jacking block (431), a limiting groove (21) for the damping block (43) to extend into is formed in the lower end face of the movable cover plate (2), and the second damping piece (5) comprises an elastic damping plate (51) fixed on the lower end face of the movable cover plate (2).

2. The vibration/noise reduction device of a movable cover plate of a home elevator according to claim 1, wherein: two opposite inner walls of the moving hole (413) are respectively provided with a guide groove (414) extending along the vertical direction, two opposite side walls of the moving rod (42) are respectively fixed with a guide block (421), and the two guide blocks (421) are respectively connected in the two guide grooves (414) in a sliding manner.

3. The vibration/noise reduction device of a movable cover plate of a home elevator according to claim 2, wherein: a return spring (415) is fixed on the inner wall of the lower side of the guide groove (414), and the upper end of the return spring (415) is fixedly connected with a guide block (421) close to the return spring.

4. The vibration/noise reduction device of a movable cover plate of a home elevator according to claim 1, wherein: the lower terminal surface of jacking piece (431) is equipped with annular fastening groove (433), integrated into one piece has fastening ring (434) on rubber cap (432), works as rubber cap (432) cover tightly outside jacking piece (431), fastening ring (434) are located fastening groove (433).

5. The vibration/noise reduction device of a movable cover plate of a home elevator according to claim 4, wherein: a connecting rod (435) is fixed on the outer wall of the rubber cap (432), and a stop block (436) with the diameter larger than that of the connecting rod (435) is fixed at one end, far away from the rubber cap (432), of the connecting rod (435).

6. The vibration/noise reduction device of a movable cover plate of a home elevator according to claim 5, wherein: one end of the positioning seat (41) close to the elevator car top (1) is fixedly provided with a connecting block (411), and a connecting bolt (412) in threaded connection with the elevator car top (1) penetrates through the connecting block (411).

7. The vibration/noise reduction device of a movable cover plate of a home elevator according to claim 1, wherein: and a vacuum sucker (22) which penetrates through the elastic damping plate (51) is fixed on the lower side of the movable cover plate (2).

8. The vibration/noise reduction device of a movable cover plate of a home elevator according to claim 7, wherein: an arc block (32) positioned right below the vacuum suction cup (22) is fixed on the upper side of the floor (3), and the end face, far away from the floor (3), of the arc block (32) is a convex arc face (321); when the vacuum sucker (22) is sucked with the floor (3), the arc-shaped block (32) is positioned in a gap formed by the vacuum sucker (22) and the floor (3).