JP3014765U - Home elevator - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a home elevator configured as a home elevator that is space-saving, safe, and inexpensive to install. [Structure] A motor 2 is fixedly installed at the bottom of a car 1, and a pinion 3 is coupled to both ends of a rotary shaft 3a connected to the motor 2, and a fixed space is vertically provided on both sides of the elevator space S of the car 1. The rack 4 and the pinion 3 that are supported and retained
The car 1 is moved up and down by meshing with and.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a simple and safe home elevator suitable for being installed and used in a house.

[0002]

[Prior art]

 In recent years, there is a tendency to build not only two-story houses but also three-story houses or more. Demand for household elevators is increasing because of the convenience of raising and lowering elderly people, sick people, etc. to the upper floors. ing.

By the way, as a conventional elevator drive structure, a rope type or hydraulic type is generally used.

The rope type elevator structure is a system in which a machine room such as a rope hoisting machine and a control panel is provided above the elevator hoisting space, and a car suspended by a rope is hoisted by the rope tow of the hoisting machine. Is.

Further, the hydraulic elevator structure is a system in which an oil pressure jack is installed on the ground in the elevator ascending / descending space, the car is supported by the hydraulic jack, and the car is moved up and down by driving the hydraulic jack. .

[0006]

[Problems to be solved by the device]

 However, in the rope type elevator structure, a dedicated space for installing a machine room such as a hoisting machine and a control panel is required above the elevator space of the car, so it is necessary to install a building on the rooftop. , Was trying to secure space for this.

Further, in this method, since the entire weight of the car is applied to the machine room, the supporting strength of the machine room is required, and the design for the strength is required.

Further, since the entire weight of the car is also applied to the rope supporting portion on the car side, a robust structure that secures the strength of the car is required.

Furthermore, in this method, there is a risk of cutting due to aging of the rope, and maintenance was required to adjust the elongation of the rope.

On the other hand, in the hydraulic elevator structure, it is necessary to dig deep underground for installing the hydraulic jack, and the installation space for the hydraulic unit must be secured. The strength of the foundation was required.

Further, in this method, it is necessary to change the oil of the hydraulic unit, and maintenance for that is required.

[0012] Furthermore, the conventional elevator car has a rectangular shape, and a space for accommodating the open doors is required at both ends of the opening. It had the drawback of narrowing the frontage.

As described above, when a conventional elevator is installed in a house, various inconveniences occur in terms of supporting strength, scale, maintenance, etc. of a building.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a home elevator configured as a home elevator configured to be space-saving, safe, and inexpensive to install. To aim.

[0015]

[Means for Solving the Problems]

 In order to achieve the above object, the home elevator of the present invention has a motor fixedly mounted on the bottom of a car, and a pinion connected to both ends of a rotating shaft connected to the motor. It is characterized in that the car is moved up and down by meshing with the pinion, which is supported at a constant interval in the vertical direction, and the pinion.

Further, the pinion is housed in the groove of the groove-shaped guide rail fixedly provided on both sides of the elevator space of the car, and the rack and the pinion fixedly provided inside the one side flange of the guide rail. And a disk fixed to the outer end surface of the pinion and having a predetermined radius is rolled along the inner side of the guide rail to limit the approach distance of the pinion to the rack. The cage is fixed by the sandwiching member fixedly mounted on the car side to slidably sandwich the flange on the other side of the guide rail via the guide member, and at the same time, the cage is steady. It is preferable that the member is moved and adjusted with respect to its fixed position so that the distance between the pinion and the rack is limited.

Further, two curved plates forming a semicircle are bolted to each other on both sides thereof, and a top plate and a bottom plate are attached to the upper and lower sides of a cylindrical body formed by combining them, and these top plate and bottom plate are attached. The cylindrical cage is preferably formed by bolting together and.

Further, an opening is provided on a side surface of the cylindrical car, and a door for opening and closing the opening is an arc-shaped door formed by an arc plate along the outer circumference of the cylindrical car. A pulley provided on at least the upper part of the arc-shaped door is guided in a state of being suspended by a guide rail fixed along the outer periphery of at least the upper part of the cylindrical car, and provided on the upper part of the cylindrical car. It is preferable that an end portion of an arm connected to the generated motor via a gear mechanism is fixed to an upper portion of the arc-shaped door.

Further, a first rotary gear slidably fitted to a drive shaft connected to a motor shaft of a motor for opening and closing the arcuate door drives the drive via a disc spring. The shaft is preferably connected to the shaft.

[0020]

In the above structure, the pinion is rotated by the motor fixed to the bottom of the car, and the pinion is meshed with the racks that are vertically supported on both sides of the elevator space of the car. Can be raised and lowered.

Further, the disk having a predetermined radius fixed to the end of the rotation shaft of the pinion is rolled along the inside of the guide rail, so that the approach distance of the pinion with respect to the rack is limited.

On the other hand, the holding member fixed to the car side slidably holds the flange on the other side of the guide rail via the sliding member, so that the steadying of the car is achieved. The pinching member is moved and adjusted with respect to its fixed position, so that the distance between the pinion and the rack is limited, and together with the function of limiting the approach distance of the pinion described above, the pinion and the rack are properly adjusted. The meshed state is maintained.

In the car, two curved plates are bolted to each other on both sides to form a cylinder, and a top plate and a bottom plate attached above and below the cylinder are bolted to each other. Therefore, it is formed into a cylindrical shape.

Further, an opening is provided on a side surface of the cylindrical car, and pulleys provided at upper and lower positions of an arc-shaped door for opening and closing the opening are fixed along the outer periphery of the top plate of the cylindrical car. Guided along the guide rail, the end of the arm, which is connected to the motor on the top of the cylindrical car via the gear mechanism, is fixed to the top of the arc-shaped door. The arc-shaped door is opened and closed.

Further, a first rotary gear, which is slidably fitted to a drive shaft connected to a shaft of a motor that opens and closes the arc-shaped door, is connected to the drive shaft via a disc spring. As a result, the rotational force of the motor shaft is transmitted by the frictional force of the disc spring on the first rotary gear, but when an external force acts on the arc-shaped door and the frictional force of the disc spring is exceeded, both Does not open and close the arc-shaped door due to sliding movement.

[0026]

【Example】

 Hereinafter, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is an overall perspective view showing a supported state of a home elevator according to the present invention. FIG. 2 is a side view of the home elevator of FIG. FIG. 3 is a bottom view of the home elevator of FIG. FIG. 4 is a cross-sectional view showing a state in which the home-home elevator of FIG. 1 is cut in the middle. FIG. 5 is a top view of the home elevator of FIG. FIG. 6 is a cross-sectional explanatory view of a gear mechanism provided in the home elevator of FIG. However, the cross-sectional situation of FIG. 6 is shown in a situation different from the actual arrangement for the sake of easy understanding. FIG. 7 is an explanatory view showing the actual arrangement and meshing relationship of the gear mechanism of FIG. FIG. 8 is a perspective view showing a state in which two curved plates are combined to form an arc-shaped car according to the present invention. FIG. 9 is a vertical sectional view of an arc-shaped car according to the present invention.

In FIG. 1, lower ends of groove-shaped guide rails 5 and 5 are fixed to both sides of an H-shaped base member 30 fixed to a predetermined foundation of a building, and their upper ends are not shown. By being fixed to a member similar to the base member 30 or to an appropriate place of a building, both guide rails 5 and 5 are vertically supported with a constant interval.

The car 1 of the present embodiment is formed in a cylindrical shape, as will be described later, and moves up and down the elevating space S between the guide rails 5, 5.

However, in the reinforced concrete structure, it is possible to form a cylindrical space as the elevating space S of the cylindrical car 1, but it is difficult to form such a cylindrical space in wooden construction. Therefore, a rectangular space in which the cylindrical car 1 can move up and down may be formed as the lifting space S. 2 to 5, a rectangular two-dot chain line 50 drawn on the outer side of the arc-shaped car 1 shows a linear structure of the elevating space S of the building.

In FIG. 3, brackets 32, 32 are fixedly installed at both ends of the diameter of the bottom plate 13 of the cylindrical car 1, and the rotary shaft 3 a is mounted in the shaft holes of these brackets 32, 32 via a bearing member 33. It is rotatably arranged, and pinions 3, 3 are fixedly provided at both ends of the rotating shaft 3a.

Further, the electric motor 2 is fixed to the bottom plate 13 of the cylindrical car 1, the sprocket 34a is fixed to the motor shaft 2a, and the sprocket 34a is fixed to the rotating shaft 3a. By being connected with the chain 35, the driving force of the electric motor 2 is transmitted as the rotational force of the pinions 3, 3.

Since the pinions 3, 3 and the racks 4, 4 at both ends of the rotary shaft 3a have the same meshing structure, both will be described.

The pinion 3 is housed in the groove of the above-mentioned groove type guide rail 5, and the pinion 3 is meshed with the rack 4 fixed along the inside of the one side flange 5 a of the guide rail 5. By driving the electric motor 2 to rotate, the cylindrical car 1 can be moved up and down along the racks 4, 4 on both sides.

A disc 6 having a diameter slightly larger than the diameter of the pinion 3 is coaxially fixed to the outer end surface of the pinion 3. The disk 6 rolls along the inner surface of the flange 5a of the guide rail 5, and the approach distance between the pinion 3 and the rack 4 is limited by the radius of the disk 6.

Further, in the vicinity of the pinion 3, one angle member 37 is fixed along the support base 36 fixed in the vertical direction of the cylindrical car 1, and another angle member 38 is attached to the outside thereof. The holding member 7 of the present invention is constructed by adjusting the distance between the member 37 and the member 37 by tightening the bolt 39a. After the position of the angle member 38 is adjusted with respect to the other angle member 37, the bolt 39b penetrates the elongated hole (not shown) of the angle member 38 and is screwed to the support base 36 so as to be fixed to the support base 36. It is a combined configuration.

Further, guide members 8 and 8 made of cast nylon, which are rich in slidability, are fixed along the inner sides of both the angle members 37 and 38, and the guide members 8 and 8 are provided in the gaps between the guide members 8 and 8. The flange 5b on one side of the rail 5 is clamped.

With such a configuration, as the cylindrical car 1 is moved up and down with the guide members 8, 8 sandwiching the one-side flange 5b of the guide rail 5, lateral shake of the cylindrical car 1 is prevented and By adjusting the position of the angle member 38 on one side, the distance between the pinion 3 and the rack 4 is limited, which prevents the pinion 3 from coming off the rack 4. The pinion 3 and the rack 4 can be kept in an appropriate meshed state together with the disengagement prevention mechanism and the limitation of the approach distance by the disc 6.

The method of producing the cylindrical car 1 will be described below. As shown in FIG. 8, the flanges 11a are formed along the longitudinal directions on both sides of each of the two curved plates 11 forming a semicircle. The two curved plates 11 and 11 are joined together by their flanges 11a and 11a, and are joined by welding or fixing means 11b such as bolts.

Further, a circular top plate 12 and a circular bottom plate 13 that are slightly larger than the outer circumference of the cylindrical body composed of the above-mentioned two curved plates 11 and 11 are formed, and grooves 12a and 13a are formed near the respective peripheral edges. By drilling, the upper and lower ends of a cylindrical body composed of two curved plates 11, 11 are fitted into these grooves 12a, 13a, and a plurality of top plate 12 and bottom plate 13 are provided on the outer periphery of the cylindrical body. The points are connected to each other with long screws 14, 14 ... And both ends of each screw 14 are fastened with nuts 14a.

An opening 20 is formed on the side surface of the cylindrical car 1 as shown in FIG. 1, and two arc-shaped doors 21 and 21 are provided at the opening / closing position of the opening 20. There is.

Each of the arcuate doors 21 is formed by an arcuate plate curved in a shape along the outer periphery of the cylindrical car 1 as shown in FIG. 4, and as shown in FIG. With respect to the guide rail 25 fixed to the outer periphery of the top plate 12 of the cylindrical car 1, the pulleys 24, 24 attached to two or more positions at the upper end of each arc-shaped door 21 guide the guide rail 25. It is attached so that it is sandwiched from above and below. An arc groove 15 is formed near the outer periphery of the bottom plate 13, and the lower end of the arc door 21 is slidably fitted in the arc groove 15.

With such a configuration, the arc-shaped door 21 is suspended from the upper pulley 24 along the arc-shaped guide rail 25, and the motor 26 and the gear for opening and closing the door, which will be described later, are provided. The mechanism 27 allows opening and closing in opposite directions. Further, the guide rail 25 is sandwiched between the upper and lower pulleys 24 to prevent the arc-shaped door 21 from coming off, and the lower end of the arc-shaped door 21 is slidable in the arc groove 15 of the bottom plate 13. By fitting, the arc-shaped door 21 is prevented from swinging.

In FIG. 4 and FIG. 5, the two arc-shaped doors 21 and 21 are in a closed state for convenience of description, but in reality, they are at the same distance from each other as described above. It only opens and closes.

The opening / closing drive mechanism for the arcuate door 21 is configured as follows. In FIG. 6, two support discs 42, 42 are provided at approximately the center of the upper surface of the top plate 12 of the cylindrical car 1 with a vertical space therebetween, and the gear mechanism 27 is arranged between the support discs 42, 42. The electric motor 26 is fixedly mounted on the upper surface of the upper support board 42 at a position slightly deviated from the center of the top plate 12, and the motor shaft 26a is vertically hung between the support boards 42 and 42. It is connected to a drive shaft 43 that is rotatably pivoted.

A collar 44 is projectingly provided on the outer periphery of the upper portion of the drive shaft 43, and a male screw 43 a is cut on the lower outer periphery of the drive shaft 43. The male screw 43 a is adjusted by a ring member 45 through an adjusting nut. Toe 46 is screwed. Further, a first rotary gear G1 is slidably fitted to the drive shaft 43 between the collar 44 and the ring member 45.

Further, concave grooves 47 and 47 are formed in the upper and lower ends of the first rotary gear G1 along the peripheral portion of the drive shaft 43, and the disc springs 29 and 47 are formed in the upper and lower concave grooves 47 and 47, respectively. 29 is fitted.

With such a configuration, a disc spring type torque limiter is configured, and by tightening the adjusting nut 46, the upper and lower disc springs 29, 29 are pressed upward via the ring member 45, and the upper disc spring Since 29 is held by the collar 44, the upper and lower disc springs 29, 29 increase the frictional force with the first rotating gear G1 and are connected to each other, and the torque of the electric motor 26 is changed to the first rotating state. It is transmitted to the gear G1.

As shown in FIG. 5, the gear mechanism 27 includes a total of three rotary shafts and five rotary gears including the drive shaft 43 and the first rotary gear G1. Is connected to the two sets of arms 28, 28.

That is, an auxiliary shaft 49 is rotatably supported near the drive shaft 43 between the support plates 42, 42, and the auxiliary shaft 49 is vertically rotated by a key 49 a for a second rotation. The gear G2 and the third rotating gear G3 are fixed.

Further, a main shaft 51 is fixedly installed between the support plates 42, 42 at the center of the top plate 12, and a fourth rotary gear G4 and a fifth rotary gear G5 are provided above and below the main shaft 51. The bearings 52 are independently rotatable via the bearings 52.

As shown in FIG. 7, among these rotary gears G1 to G5, the first rotary gear G1 is meshed with the second rotary gear G2 and the fourth rotary gear G4, and the third rotary gear G3. And the fifth rotary gear G5 are meshed with each other.

However, in order to make the drawing easier to understand, in FIG. 6, the position of the auxiliary shaft 49 is changed and the first rotary gear G1 and the fourth rotary gear G4 are shown to be separated from each other. Actually, as shown in FIG. 7, the first rotary gear 1 and the fourth rotary gear G4 are in the above-described relationship in mesh with each other.

With such a configuration, when the drive shaft 43 is rotated clockwise, for example, by the rotational drive of the electric motor 26, the engaging force of the disc springs 29, 29 causes the first rotary gear G 1 to rotate clockwise. The second rotary gear G 2 and the third rotary gear G 3 which are rotated and are axially supported by the auxiliary shaft 49 are rotated counterclockwise while the fourth rotary gear G 1 is meshed with the first rotary gear G 1. The rotating gear G4 rotates in the counterclockwise direction.

Further, the fifth rotary gear G5 meshed with the third rotary gear G3 is rotated clockwise, and as a result, the fourth rotary gear G4 and the fifth rotary gear G5 are rotated by the rotation of the first rotary gear G1. The rolling gears G5 will rotate in opposite directions.

Then, the arms 28 are connected to the upper end surfaces of the fourth rotary gear G4 and the fifth rotary gear G5 by positioning bolts 56 or pins arranged at two places, and the arms 28 are joined along the top plate 12. Further, the two sets of arms 28, 28 are extended in the horizontal direction, and by the forward and reverse rotations of the electric motor 26, the two sets of arms 28, 28 can rotate about the main shaft 51 of the top plate 12 simultaneously and in opposite directions.

As shown in FIG. 5, each of the arms 28, 28 has two arms 28 a, 28 a extending to the upper end of each arc-shaped door 21 and fixedly connected to the upper end of each door. The forward and reverse rotations of the electric motor 26 rotate the respective arms 28, 28 in opposite directions, whereby the arcuate door 21 opens and closes in a symmetrical operation.

As described above, the drive shaft 43 and the first rotary gear G1 are connected via the disc springs 29 and 29, and the friction force is adjusted by the tightening force of the adjusting nut 46. However, the mutual coupling force can be strengthened or weakened, and when some external force is applied to the arc-shaped door 21 to cause sliding friction between the two, the rotary gear G1 rotates in the idle direction with respect to the drive shaft 43. This is a safety device for opening and closing the door in the state.

In FIG. 2, the door 53 provided outside the arc-shaped door is a side-opening door provided between the ceiling or the beam member 54 and the floor 55 of the building, and is used when the elevator is moved up and down. It is preferable to provide it to prevent the risk of

Further, in the above-mentioned embodiment, the car 1 has a cylindrical shape, but it is also possible to have a rectangular car.

Further, the stop position when the elevator is moved up and down, the stop position of the door opening and closing, and the like are detected by a limit switch (not shown), and a control panel provided in the room moves to a predetermined floor, automatically stops or It is possible to apply a well-known technique when implementing the home elevator of the present invention by appropriately configuring automatic door opening and closing.

[0062]

[Effect of device]

 As described above, according to the home elevator of the present invention, the mechanism for raising and lowering is configured by the meshing of the pinion and the rack, which is completely different from the conventional rope type or hydraulic type elevator. There is no need to secure the machine room space in the elevator, the machine room support strength, the car side rope support strength, etc., and there is no risk of cutting due to aging of the rope. Maintenance is also unnecessary.

In addition, even when compared with a hydraulic elevator structure, it is not necessary to dig underground to install a hydraulic jack, secure a space for installing a hydraulic unit, or replace oil in the hydraulic unit. The invented home elevator requires a minimum space for the space for raising and lowering the car, and can greatly reduce various maintenance.

Also, with the cylindrical cage of the present invention, the cage can be easily and inexpensively manufactured, is lightweight, and can be easily disassembled and assembled.

Further, by making the car cylindrical, an arc-shaped door can be formed, which allows the door to be housed when the car is closed along the circumference of the arc-shaped car. Compared with the above, the frontage of the door can be formed wider, and visually, a design suitable for a home elevator can be obtained.

Further, in the present invention, since a mechanism for maintaining an appropriate meshing state between the pinion and the rack is configured, a safer home elevator can be configured, and the opening / closing mechanism of the arc-shaped door is a dish. Since it is configured to be transmitted by frictional force using a spring, safety measures are taken when opening and closing the door, making it an optimal home elevator.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing a supported state of a home elevator according to the present invention.

FIG. 2 is a side view of the home elevator of FIG.

FIG. 3 is a bottom view of the home elevator of FIG.

4 is a cross-sectional view showing a state in which the home / home elevator of FIG. 1 is cut in the middle thereof.

5 is a top view of the home elevator of FIG. 1. FIG.

6 is a cross-sectional explanatory view of a gear mechanism provided in the home elevator of FIG. However, the cross-sectional situation of FIG. 6 is shown in a situation different from the actual arrangement for the sake of easy understanding.

7 is an explanatory view showing an actual arrangement and meshing relationship of the gear mechanism of FIG.

FIG. 8 is a perspective view showing a state in which two curved plates are combined to form an arc-shaped car according to the present invention.

FIG. 9 is a vertical sectional view of an arc-shaped car according to the present invention.

[Explanation of sign]

 DESCRIPTION OF SYMBOLS 1 ... Car (arc-shaped car) 2 ... Motor for raising / lowering 3 ... Pinion 3a ... Rotating shaft, 4 ... Rack 5 ... Groove guide rail 5a ... One side flange 6 ... Disk 7 ... Clamping member (two angle members 37 , 38) 8 ... Guide member 11 ... Curved plate 12 ... Top plate 13 ... Bottom plate 14 ... Bolt 20 ... Opening 21 ... Arc door 24 ... Pulley 25 ... Guide rail 26 ... Door opening / closing motor 26a ... Motor shaft 27 ... Gear mechanism 28 ... Arm 29 ... Disc spring 43 ... Drive shaft 49 ... Auxiliary shaft 51 ... Main shaft G1 ... First rotary gear G2 ... Second rotary gear G3 ... Third rotary gear G4 ... Fourth rotary gear G5 … Fifth rotating gear S… Lifting space

Claims (5)

[Scope of utility model registration request] 1. A motor (2) is fixedly mounted on the bottom of a car (1), and a pinion (3) is connected to both ends of a rotary shaft (3a) connected to the motor (2). ), The car (1) is moved up and down by meshing the rack (4) supported on both sides of the up-and-down space (S) at a constant interval in the up-down direction with the pinion (3). Home elevator. 2. The pinion (3) is housed in the groove of a groove-shaped guide rail (5) fixedly provided on both sides of the elevator space (S) of the car (1), and the guide rail (5) is The rack (4) fixed to the inside of the flange (5a) on one side is meshed with the pinion (3), and a disk (6) fixed to the outer end surface of the pinion (3) has a predetermined radius. ) Is rolled along the inside of the guide rail (5) to limit the approach distance of the pinion (3) to the rack (4), while being fixed to the car (1) side. The holding member (7) slidably holds the flange (5b) on the other side of the guide rail (5) through the guide member (8), whereby a steady rest of the car (1) is achieved. At the same time, the holding member (7) faces the fixed position. 2. The home elevator according to claim 1, wherein the distance by which the pinion (3) is separated from the rack (4) is limited by the movement adjustment. 3. Two curved plates (11) forming a semicircle are bolted to each other on both sides, and a top plate (12) and a bottom plate (13) are attached above and below the cylindrical body thus formed. ,
The home elevator according to claim 1, wherein the top plate (12) and the bottom plate (13) are bolted to each other to form a cylindrical car (1). 4. An opening (20) is provided on a side surface of the cylindrical car (1), and a door for opening and closing the opening (20) is formed by an arc plate along an outer circumference of the cylindrical car (1). And the arc-shaped door (21)
The pulley (24) provided at least on the upper part of 1) is guided while being suspended from a guide rail (25) fixed along the outer periphery of the upper part of the cylindrical car (1), and An end of an arm (28) connected to a motor (26) provided on the upper portion of the cylindrical car (1) through a gear mechanism (27) is fixedly provided on the upper portion of the arc-shaped door (21). The home elevator according to claim 3, wherein 5. A first shaft slidably fitted to a drive shaft (43) connected to a motor shaft (26a) of a motor (26) for opening and closing the arcuate door (21). 5. The home elevator according to claim 4, wherein said rotary gear (G1) is connected to said drive shaft (43) via a disc spring (29).