Platform steel belt type household elevator with shock absorption structure

Abstract

The utility model relates to the technical field of shock absorption of household elevators, and discloses a platform type steel belt type household elevator with a shock absorption structure, which comprises an elevator shaft, a power distribution room arranged on the upper side of the elevator shaft, a lift car slidably connected in the elevator shaft and a sliding frame fixedly connected in the elevator shaft, an out-of-control protection mechanism is arranged in the power distribution room, the damping and shaking reducing mechanism comprises ejector pins, the ejector pins are fixedly connected to the lower surface of the lift car, a rack is fixedly connected to the left side of the interior of the sliding frame, a toothed plate is fixedly connected to the interior of the other side of the sliding frame, and the rack and the inner side of the toothed plate are connected with a toothed bar in an engaged mode; the shock absorption and shake reduction structure is used for reducing vibration generated in the operation process of the lift car, meanwhile, the inertia of the lift car can be reduced at the braking moment of the lift car, the dizziness feeling of a user is reduced, and the out-of-control protection mechanism is used for preventing the situation that due to the fact that an elevator is not overhauled in time, the lift car freely falls, and huge harm is brought to people.

Description

TECHNICAL FIELD

[0001] The utility model relates to domestic elevator shock absorbing technical field, concretely is a platform type steel belt type domestic elevator with shock absorbing structure. BACKGROUND

[0002] The platform type steel belt type domestic elevator is mainly composed of a driving device, a guide rail system, a car, a control system and a safety device. The car usually adopts a steel structure frame, and is matched with glass or stainless steel plate as the car wall, which is not only beautiful but also firm. The elevator of this type is driven by a motor, and the driving device is fixed at the top or bottom of the shaft, and the car is pulled along the fixed guide rail by the traction rope. One end of the traction rope is connected to the car, and the other end is connected to the counterweight through the traction wheel, forming a balance system to ensure smooth operation of the elevator.

[0003] Elevators are very common in life. After being used for a period of time, the car frame will be worn, which will cause the car frame to be uneven and easily cause the car to shake. The car will produce a great sense of shaking at the moment of stopping after reaching a certain floor, which will make people feel dizzy. Moreover, due to the long service life of the elevator, it is not timely to maintain, and the elevator car often has the phenomenon of free fall. Because of the extremely fast falling speed, it is very easy to cause great life safety hazards to users. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a platform type steel belt type domestic elevator with shock absorbing structure to solve the problems in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a platform type steel belt type domestic elevator with shock absorbing structure, including elevator shaft, distribution room arranged on the upper side of the elevator shaft, car connected with the inside of the elevator shaft in a sliding mode and sliding frame fixedly connected in the inside of the elevator shaft, shock absorbing and shaking reducing mechanism arranged in the car, and out-of-control protection mechanism arranged in the distribution room.

[0006] The out-of-control protection mechanism comprises a driving assembly and an emergency protection assembly, and the emergency protection assembly is arranged on one side of the driving assembly.

[0007] The damping and shaking reduction mechanism comprises a thimble, the thimble is fixedly connected to the lower surface of the car, a rack is fixedly connected to the inside of the left side of the sliding frame, a toothed plate is fixedly connected to the inside of the other side of the sliding frame, a toothed rod is meshingly connected to the inside of the rack and the toothed plate, a hanging cylinder is rotatably connected to the outer wall of the toothed rod, the toothed rod extends through the two ends of the hanging cylinder to the inside of the hanging cylinder, a hanging ring is fixedly connected to the upper side of the hanging cylinder, a partition plate is fixedly connected to the upper surface of the hanging ring, a spring is fixedly connected between the partition plate and the bottom of the car, an elastic member is sleeved on the inner side of the outer wall of the toothed rod, an inclined disc is fixedly connected to the inner side of the toothed rod, an elastic member is fixedly connected between the inclined disc and the hanging cylinder, and a friction strip that cooperates with the inclined disc is arranged at the bottom of the thimble.

[0008] Preferably, the thimble and the inclined disc are provided with a cutout, so that the inclination of the contact surface of the thimble is the same as that of the inclined disc.

[0009] Preferably, a gap exists between the two ends of the inclined disc and the sliding frame.

[0010] Preferably, the driving assembly comprises a base, the base is fixedly connected to the inside of the power distribution room, a motor is fixedly connected to the inside of the base, a lead screw is fixedly connected to the output end of the motor, a rotary table is fixedly connected to the inside of the power distribution room, a threaded gear is rotatably connected to the inside of the rotary table, a cable reel is fixedly connected to one side of the threaded gear, a cable is arranged on the outer wall of the cable reel, and the car is fixedly connected to one end of the cable and a counterweight structure is fixedly connected to the other end of the cable.

[0011] Preferably, the emergency protection assembly comprises a rotating roller, the rotating roller is fixedly connected to one side of the cable reel, a sleeve seat is fixedly connected to the inside of the power distribution room, the rotating roller is rotatably connected to the inside of the sleeve seat, an engaging tooth is fixedly connected to the inside of the sleeve seat, a tapered block is slidably connected to the inside of the rotating roller, and a deformation member is fixedly connected between the tapered block and the rotating roller.

[0012] Preferably, a notch and an opening are arranged in the inside of the rotating roller.

[0013] Preferably, a ring-shaped notch is arranged in the inside of the sleeve seat.

[0014] Compared with the prior art, the platform type steel belt household elevator with the damping structure has the following beneficial effects:

[0015] 1. The damping and shaking reduction structure is used for reducing the vibration generated during the operation of the car, and can reduce the inertia of the car at the moment of braking, thereby reducing the dizziness of the user. Specifically, the thimble is also stressed at the moment when the car generates inertia, the thimble reduces the rotating speed of the toothed rod by using the friction strip, the thimble pushes away the toothed rod by inertia after the toothed rod is limited to rotate by the thimble, the toothed rod is squeezed and abuts against the sliding frame in the elevator shaft through the two ends, the friction force is increased, and the car can quickly reduce the shaking feeling.

[0016] 2. The out-of-control protection mechanism is used for preventing elevator from causing great harm to people due to free falling of the elevator car caused by failure to timely maintenance, and specifically, the high rotating speed of the cable drum drives the cone block to rapidly rotate during free falling of the car, the cone block is engaged with the meshing teeth through centrifugal force, and the purpose of speed control and slow descent is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.

[0018] Figure 1 It is a structural schematic diagram of the present application;

[0019] Figure 2 It is an exploded structural schematic diagram of the present application;

[0020] Figure 3 It is a sectional structural schematic diagram of the present application;

[0021] Figure 4 It is a structural schematic diagram of the thimble in the present application;

[0022] Figure 5 It is a structural schematic diagram of the cone block in the present application.

[0023] In the drawings: 1, elevator shaft; 2, power distribution room; 3, car; 4, shock absorbing and swing reducing mechanism; 401, thimble; 402, rack; 403, toothed plate; 404, toothed rod; 405, hanging cylinder; 406, hanging ring; 407, partition plate; 408, spring; 409, elastic member; 410, swash plate; 411, friction strip; 5, out-of-control protection mechanism; 51, driving assembly; 501, machine base; 502, motor; 503, screw rod; 504, rotating table; 505, threaded tooth; 506, cable drum; 507, cable; 52, emergency protection assembly; 521, rotating roller; 522, sleeve seat; 523, meshing tooth; 524, cone block; 525, deformation member; 6, sliding frame. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings of the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] In the utility model, unless another definite provision and limitation, the terms "mount", "connect", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can be indirectly connected through intermediate medium, can be the communication or the interaction of two elements of two elements inside.For the ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0026] Embodiment one:

[0027] Please refer to Figures 1-5 The utility model provides a technical scheme: a platform type steel belt household elevator with shock absorbing structure, including elevator shaft 1, the distribution room 2 of elevator shaft 1 upper side setting, the car 3 of sliding connection inside elevator shaft 1 and the fixed connection of slide 6 inside elevator shaft 1, the inside of car 3 is provided with shock absorbing and shaking reducing mechanism 4, and the inside of distribution room 2 is provided with out-of-control protection mechanism 5;

[0028] Out-of-control protection mechanism 5 includes drive assembly 51 and emergency protection assembly 52, and emergency protection assembly 52 is arranged on one side of drive assembly 51.

[0029] Shock absorbing and shaking reducing mechanism 4 includes thimble 401, thimble 401 is fixedly connected on the lower surface of car 3, slide 6 is fixedly connected with rack 402 on the left side in the inside, slide 6 is fixedly connected with toothed plate 403 on the other side in the inside, rack 402 and toothed plate 403 inside are engagedly connected with toothed rod 404, toothed rod 404 outer wall is rotatably connected with hanging cylinder 405, and toothed rod 404 extends to the inside of hanging cylinder 405 through both ends of hanging cylinder 405, hanging ring 406 is fixedly connected on the upper surface of hanging ring 406, and the upper surface of hanging ring 406 is fixedly connected with partition plate 407, and partition plate 407 is fixedly connected with spring 408 between the bottom of car 3, spring 408 is sleeved with elastic member 409 on the inner side of toothed rod 404, and inclined disc 410 is fixedly connected with elastic member 409 between inclined disc 410 and hanging cylinder 405, the bottom of thimble 401 is provided with friction strip 411 matched with inclined disc 410, the inertia of elevator is generated in the braking moment, and toothed rod 404 is in the suspended state first time and is not affected by inertia, thimble 401 is contacted with friction strip 411 by toothed rod 404, the rotating speed of toothed rod 404 is reduced, thimble 401 is extruded to both sides in the middle of toothed rod 404 under the impetus of the inertia of car 3, toothed rod 404 is pushed and contacted with the inner wall of slide 6, the friction of toothed rod 404 is increased, and car 3 can be rapidly and stably.

[0030] Further, the notch is formed on thimble 401 and inclined disc 410, so that the inclination of the contact surface of the two is the same.

[0031] Further, there is a gap between the oblique plate 410 and the sliding frame 6.

[0032] Embodiment two:

[0033] Please refer to Figures 1-5 , and combine embodiment one, further get,

[0034] The driving assembly 51 comprises a base 501 fixedly connected inside the power distribution room 2, a motor 502 fixedly connected inside the base 501, a lead screw 503 fixedly connected at the output end of the motor 502, a rotary table 504 fixedly connected inside the power distribution room 2, a threaded tooth 505 rotatably connected inside the rotary table 504, a cable reel 506 fixedly connected on one side of the threaded tooth 505, a cable 507 provided on the outer wall of the cable reel 506, and a counterweight structure fixedly connected at one end of the cable and at the other end of the car 3.

[0035] Further, the emergency protection assembly 52 comprises a rotating roller 521 fixedly connected on one side of the cable reel 506, a sleeve 522 fixedly connected inside the power distribution room 2, the rotating roller 521 rotatably connected inside the sleeve 522, a meshing tooth 523 fixedly connected inside the sleeve 522, a tapered block 524 slidably connected inside the rotating roller 521, and a deformation piece 525 fixedly connected between the tapered block 524 and the rotating roller 521. During the free fall of the elevator in failure, the tapered block 524 is slid and approaches the meshing tooth 523 and is in contact with the meshing tooth 523 by the centrifugal force provided by the rotating roller 521, so as to control the descending speed of the car 3 and prevent the car 3 from moving too fast to cause harm to people.

[0036] Further, the rotating roller 521 is provided with a notch and an opening inside.

[0037] Further, the sleeve 522 is provided with a ring-shaped notch inside.

[0038] In actual operation, when the device is used, the vibration generated by the car 3 is absorbed by the spring 408, the top pin 401 is driven to cooperate with the inclined disc 410 by the inertia at the moment of car 3 braking, the inclined disc 410 is difficult to rotate due to speed reduction, the top pin 401 pushes away the tooth rod 404 and is attached to the inner wall of the slide rail by using inertia, further increasing the friction of the tooth rod 404, the tooth rod 404 supports the car 3 to quickly reduce the inertia of the car 3, avoids the car 3 from shaking due to inertia to make people feel dizzy, during the free fall of the car 3, the taper block 524 is engaged with the meshing tooth 523 by the weight and centrifugal force generated during high-speed rotation, the taper block 524 and the meshing tooth 523 collide to absorb a large amount of force, preventing the car 3 from causing harm to the user during rapid free fall. It should be noted that in this text, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "including a..." does not exclude the presence of other identical elements in the process, method, article or equipment including the element.

Claims

1. A platform-type steel belt home elevator with a vibration reduction structure, comprising an elevator shaft (1), a power distribution room (2) arranged on the upper side of the elevator shaft (1), a car (3) slidably connected to the interior of the elevator shaft (1), and a slide (6) fixedly connected to the interior of the elevator shaft (1), characterized in that: A shock-absorbing and sway-reducing mechanism (4) is provided inside the car (3), and a loss-of-control protection mechanism (5) is provided inside the power distribution room (2); The out-of-control protection mechanism (5) comprises a driving component (51) and an emergency protection component (52), wherein the emergency protection component (52) is arranged on one side of the driving component (51); The shock-absorbing and sway-reducing mechanism (4) includes a thimble (401), the thimble (401) is fixedly connected to the lower surface of the car (3), a rack (402) is fixedly connected to the left side of the interior of the slide (6), a toothed plate (403) is fixedly connected to the interior of the other side of the slide (6), the rack (402) is meshed with the inner side of the toothed plate (403) and is connected to a toothed rod (404), the outer wall of the toothed rod (404) is rotatably connected to a hanging cylinder (405), the toothed rod (404) passes through both ends of the hanging cylinder (405) and extends to the interior of the hanging cylinder (405), and the hanging cylinder (405) is fixedly connected to the inner side of the toothed plate (403). 5) A hanging ring (406) is fixedly connected to the upper side, a partition (407) is fixedly connected to the upper surface of the hanging ring (406), a spring (408) is fixedly connected between the partition (407) and the bottom of the car (3), an elastic member (409) is sleeved on the inner and outer walls of the gear rod (404), a swash plate (410) is fixedly connected to the inner side of the gear rod (404), an elastic member (409) is fixedly connected between the swash plate (410) and the hanging cylinder (405), and a friction strip (411) is provided at the bottom of the ejector pin (401) to cooperate with the swash plate (410).

2. A platform-type steel belt home elevator with a vibration reduction structure according to claim 1, characterized in that: The ejector pin (401) and the swash plate (410) are provided with cutouts so that the contact surfaces thereof have the same inclination.

3. The platform-type steel belt home elevator with a vibration reduction structure according to claim 1, characterized in that: There is a gap between the two ends of the swash plate (410) and the slide (6).

4. A platform-type steel belt home elevator with a vibration reduction structure according to claim 1, characterized in that: The drive assembly (51) comprises a base (501), the base (501) being fixedly connected to the inside of the power distribution room (2), a motor (502) being fixedly connected to the inside of the base (501), a screw rod (503) being fixedly connected to the output end of the motor (502), a turntable (504) being fixedly connected to the inside of the power distribution room (2), a threaded tooth (505) being rotatably connected to the inside of the turntable (504), a cable drum (506) being fixedly connected to one side of the threaded tooth (505), a cable (507) being provided on the outer wall of the cable drum (506), one end of the cable being fixedly connected to the car (3) and the other end being fixedly connected to the counterweight structure.

5. The platform-type steel belt home elevator with a vibration reduction structure according to claim 1, characterized in that: The emergency protection component (52) includes a roller (521), the roller (521) is fixedly connected to one side of the cable drum (506), a sleeve (522) is fixedly connected inside the power distribution room (2), the roller (521) is rotatably connected inside the sleeve (522), the sleeve (522) is fixedly connected with meshing teeth (523), the roller (521) is slidably connected with a cone block (524), and a deformable member (525) is fixedly connected between the cone block (524) and the roller (521).

6. A platform-type steel belt home elevator with a vibration reduction structure according to claim 5, characterized in that: The roller (521) is provided with a slot and an opening inside.

7. The platform-type steel belt home elevator with a vibration reduction structure according to claim 5, characterized in that: An annular notch is provided inside the sleeve (522).

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