JP2005314016A - Domestic elevator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a domestic elevator to communicate the downstairs with the upstairs in a house so as to realize excellent workability and operability. <P>SOLUTION: A hoistway 2 is constituted by connecting a first part 3 facing a first floor space, a second part 4 facing a ceiling part between the first floor and the second floor, and a third part 5 facing a second floor space to each other. A fourth guide roller 22 is provided on a door end side end of an inner door 18 for an entrance formed in an elevating/lowering body 17. Sixth and seventh guide pieces 8d, 11d, 15d, 8a, 11a, 15a to move and guide the fourth guide roller 22 when the inner door 18 is a closed posture are formed on the first, second and third parts 3, 4, 5. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention belongs to the technical field of home elevators that can be easily installed in houses, particularly existing multi-storey houses such as two-story and three-story houses.

  In recent years, it has been advocated to provide a comfortable living environment by installing a home elevator in a general house so that elderly people and people with disabilities can freely move between the downstairs and upstairs. Yes. By the way, such a home elevator is configured to include a hoistway provided in communication with each floor, and an elevating body that moves up and down the hoistway. An inner door and an outer door are provided, and the inner door and the outer door must be opened and closed when getting on and off the lifting body.

Conventionally, a locking mechanism is provided on the outer door provided in the hoistway, and the locking means is linked to the lifting body. In the process in which the lifting body moves up and down, the outer door is locked in a closed position. Along with being located at a preset stop position, it has been proposed to unlock the locking means so that the outer door can be operated from the closed position to the open position.
JP-A-6-87588 JP-A-11-240682

By the way, the said conventional elevator is the structure which locks an outer door at the time of raising / lowering of a raising / lowering body, and there is no description which locks the inner door which has closed the raising / lowering body.
On the other hand, unlocking the locking means provided on the outer door is based on the fact that the lifting body is located at a preset stop position. The lock is released by engaging the combined member with an engaged member provided on the outer door. For this reason, when the elevating body is moved up and down, it is a condition for the inner door itself to be locked in a closed posture, which is a condition for reliably operating the locking means. The upper and lower ends of the inner door come into contact with the engaged member of the outer door during the up and down movement, and normal vertical up and down movement is impaired, so that the engagement member and the engaged member are not engaged. In this case, there is a problem that the lock means of the outer door cannot be unlocked. On the other hand, in the case of a configuration that locks the inner door, when the lifting body stops and tries to open with the outer door, the inner door must be unlocked separately, which is inferior in operability. There are problems to be solved by the present invention.

The present invention was created in view of the above-described circumstances in order to solve these problems, and the invention of claim 1 provides a home elevator that connects a downstairs and an upstairs in a house. In a domestic elevator composed of a box-like hoistway communicating with the lower floor and the upper floor and a hoisting body that moves up and down in the hoistway, the inner door for the entrance provided in the hoisting body includes: Locking means is provided for locking the inner door in a closed posture when moving up and down in the hoistway.
And by doing in this way, the inner door which closes a raising / lowering body is maintained in a closed attitude | position at the time of the raising / lowering motion of a raising / lowering body, and an inner door does not shift | deviate with respect to a raising / lowering body.
According to a second aspect of the present invention, in the first aspect, the locking means includes a locking roller provided at a door tip of the inner door, and a locking guide piece provided in the hoistway so that the roller can travel. By doing so, the configuration of the locking means can be simplified.
According to a third aspect of the present invention, in the second aspect of the present invention, the locking means is configured to release the lock of the inner door by facing the notch portion formed in the locking guide piece by the locking roller. In this way, the inner door can be unlocked automatically, and a separate release member is not required, thereby simplifying the configuration and reducing the number of parts.
According to a fourth aspect of the present invention, in the first, second or third aspect, the elevating body is provided with guide rollers at the four corners, and these guide rollers are configured to travel on guide pieces provided in the hoistway. By doing so, the posture of the elevating body is maintained, and it is possible to further avoid the positional deviation of the inner door, and also contribute to the downsizing of the elevator.

By setting it as invention of Claim 1, the inner door which closes a raising / lowering body is maintained in a closed attitude | position at the time of the raising / lowering motion of a raising / lowering body, and it can prevent the position shift of the inner door with respect to a raising / lowering body.
According to the invention of claim 2, the configuration of the locking means can be simplified.
According to the invention of claim 3, the lock of the inner door can be automatically released, the configuration can be simplified, and the number of parts can be reduced.
According to the invention of claim 4, the posture of the elevating body is maintained, and the positional deviation of the inner door can be further avoided, and further downsizing can be achieved.

Next, an embodiment of the present invention will be described based on the drawings of FIGS.
In the drawings, reference numeral 1 denotes a home elevator provided in, for example, a entrance hall in a two-story residential room, and the elevator 1 has a compact configuration of two occupants. The hoistway 2 that constitutes the elevator 1 is formed in a rectangular shape that is long in the vertical direction where the part from the first floor to the second floor ceiling communicates, and in the space on the first floor (downstairs space) in order from the lower side. The first part 3 that faces, the second part 4 that faces the ceiling space between the first floor and the second floor, and the third part 5 that faces the space on the second floor (floor space) are configured to be freely divided. . And about the 1st, 3rd site | parts 3 and 5, it has the structure which utilizes the wall surface of a housing (house) as one side surface, and covers three sides with a face plate.

  The first part 3 that faces the first floor space includes a lower piece 3a that is parallel to the first floor, and a pair of left and right side pieces that extend upward from the left and right edges of the lower piece 3a. And a plurality of rear piece portions 3d for connecting the rear end edges of the left and right side piece portions 3b and 3c with a gap therebetween. And the outer door 6 is provided in the front-end edge part of right-and-left side piece part 3b, 3c, but as for this outer door 6, the right side edge part is supported by the front-end edge part of the right-side piece part 3c via the hinge 6a. And it is comprised so that the left side edge part of the outer door 6 may be opened and closed in the front-back direction. Here, the vertical lengths of the left and right side pieces 3b and 3c are set shorter than the length from the standard first floor to the first floor, and the lower piece 3a is placed on the first floor. When installed and fixed on the floor surface, the upper edge portions of the left and right side pieces 3b and 3c are dimensioned so as to be positioned at the same level as or lower than the first floor ceiling surface.

The pair of left and right side pieces 3b and 3c are each composed of a panel body 7 made of a glass plate or the like, and a pair of front and rear vertical frame members 8 and 9 connected to front and rear edge portions of the panel body 7. It is comprised so that it can install in the exposed state as it is as a cosmetic body. The pair of front and rear vertical frame members (hereinafter referred to as the front frame member and the rear frame member) 8 and 9 are formed of a rectangular tube-shaped aluminum mold member facing in the vertical direction. The first and second guide pieces 9a and 9b are integrally formed on the inner side surface of the rear vertical frame member 9 located on the left and right, and are configured by a pair of front and rear protruding pieces protruding inward. Further, a third guide piece 9c constituted by a projecting piece extending rearward is integrally formed at the projecting tip of the second guide piece 9b located behind the rear vertical frame member 9.
On the other hand, the left and right front vertical frame members 8 are fourth and fifth guide pieces constituted by projecting pieces extending rearward from the base end portion and the distal end portion of the projecting piece 8a formed to project inward. 8b and 8c are integrally formed. Further, a sixth guide piece 8d is integrally formed on the front frame member 8 of the left side piece 3b by a protruding piece protruding inward from the front end edge.
In addition, 3e is an upper and lower frame member connected to the upper and lower sides of the left and right side piece panel body 7.

On the other hand, the second part 4 is a front panel that connects a pair of left and right left and right side pieces 4a and 4b connected to the first part left and right side pieces 3b and 3c, and the front edge of the left and right side pieces 4a and 4b. And a body 4c. The vertical length of the front panel body 4c is equal to or longer than the standard ceiling height minus the vertical length of the first part 3 and is longer than the standard ceiling height. The length obtained by subtracting the vertical length of one part 3 and the length from the first-floor ceiling surface to the second-floor floor surface, that is, the length equal to or shorter than the height of the first-floor ceiling portion The dimension is set.
Also, the second part left and right side pieces 4a, 4b are connected to the panel body 10 and the front and rear end edges of the panel body 10, respectively, and are paired with a pair of front and rear made of a rectangular tubular aluminum mold facing in the vertical direction. It is comprised including the vertical frame materials 11 and 12, and this structure is the same as that of said 1st site | part left-right side piece part 3b, 3c. The vertical length of the panel body 10 is the same as that of the front panel body 4c, and is equal to or longer than the length dimension obtained by subtracting the vertical length of the first portion 3 from the standard ceiling height. The length is set to be equal to or shorter than the length obtained by subtracting the vertical length of the first portion 3 from the typical ceiling height and the height of the first floor ceiling portion. Furthermore, the vertical lengths of the front and rear vertical frame members 11 and 12 are longer than the vertical lengths of the panel bodies 4c and 10, and are set to be longer than the vertical length (height) of the ceiling portion. The upper end portions of the vertical frame members 11 and 12 are provided so as to protrude upward from the upper edge portions of the panel bodies 4c and 10. The front and rear vertical frame members 11 and 12 are made of the same aluminum mold material as the front and rear vertical frame members 8 and 9 of the first portion 3. The projection piece 11a and the first to sixth guide pieces 12a, 12b, 12c, 11b, 11c, 11d in a state of being continuous (communication) in the vertical direction with the sixth guide pieces 9a, 9b, 9c, 8b, 8c, 8d. Are formed respectively.

  The third part 5 facing the space on the second floor has a pair of left and right side pieces 5a and 5b connected to the second part right and left side pieces 4a and 4b, and rear end edges of the left and right side pieces 5a and 5b. And a plurality of rear piece portions 5c that connect the portions with a gap therebetween. And the outer door 6 is provided in the front edge part of right-and-left side piece part 5a, 5b, This outer door 6 is the structure similar to the outer door 6 provided in said 1st site | part 3, Comprising: Right edge The portion is pivotally supported by the right piece 5b via a hinge 6a, and is configured to open and close in the front-rear direction with the left edge as a door tip. Here, the vertical lengths of the left and right side pieces 5a and 5b are set to be shorter than the length from the standard second floor to the second floor, and the upper ends of the left and right side pieces 5a and 5b. It is comprised so that the space which arrange | positions the drive box 13 mentioned later may be ensured between a part and a 2nd-floor ceiling surface.

The pair of left and right side pieces 5a and 5b have substantially the same configuration as the first and second portions 3 and 4, respectively, and a panel body 14 composed of a glass plate or the like, and the panel The front and rear end edges of the body 14 are connected to each other, and are provided with a pair of front and rear vertical frame members 15 and 16 made of a rectangular tube-shaped aluminum mold facing in the vertical direction. These front and rear vertical frame members 15 and 16 are the same as the vertical frame members 8, 9, 11 and 12 constituting the first and second portions 3 and 4, respectively. The first to sixth guide pieces 9a, 9b, 9c, 8b, 8c, 8d, 12a, 12b, 12c, 11b, 11c, 11d in the first to sixth guide pieces 9a, 9b, 9c, 12d Sixth guide pieces 16a, 16b, 16c, 15b, 15c, 15d are respectively formed.
Here, the longitudinal frame members 8, 9, 11, 12, 15, 16 constituting the first, second, and third portions 3, 4, 5 are respectively guide pieces 8 b, 8 c, 8 d, 9 a. 9b, 9c, 11b, 11c, 11d12a, 12b, 12c, 15b, 15c, 15d, 16a, 16b, and 16c are formed integrally. However, each guide piece needs to be formed integrally. It is not necessarily required, and a configuration may be adopted in which each separately prepared guide piece is fixed to the frame member by means such as screws.
Reference numeral 5d denotes upper and lower frame members arranged above and below the left and right side pieces 5a and 5b.

  On the other hand, 17 is a lifting body (elevator cage) formed in a box shape that moves up and down in the hoistway 2, and the lifting body 17 includes upper and lower pieces 17a and 17b, and left and right side pieces 17c and 17d, Furthermore, it is configured to be surrounded by the rear piece 17e. Each of these pieces 17a, 17b, 17c, 17d, and 17e is set to a size that is close to and opposed to the inner surfaces of the first, second, and third portions 3, 4, and 5 constituting the hoistway 2, respectively. . And the connection part of the rear side piece part 17e and the rear end edge part of the right and left side piece parts 17c, 17d, that is, the two left and right corners located at the rear of the elevating body 17 are bent in an R shape. They are integrally connected by a connecting frame member 17f. Moreover, the front frame material 17g is provided in the front edge part of the right-and-left side piece parts 17c and 17d, respectively, The front side piece of the raising / lowering body 17 is comprised by the right side front frame material 17g among these front frame materials 17g. The right edge of the inner door 18 is connected via a plurality of hinges 18a in the vertical direction, and the left edge of the inner door 18 swings in the front-rear direction with respect to the right edge as a lifting body. 17 is set to open and close.

Now, on the outer surface of the inner door 18 (side surface of the hoistway 17), an engagement receiving portion 18b is provided in the middle in the vertical direction. The engagement receiving portion 18b is constituted by a first plate 18c along the inner door 18 and a second plate 18d having a U-shape in plan view, and between the first and second plates 18c and 18d. A long fitting hole 18e is formed in the left-right direction. In addition, 18f is a guide which protrudes in an inclined shape outward from the upper and lower edges of the first plate 18c.
On the other hand, on the inner side surface of the outer door 6 that can be freely opened and closed in the first and third parts 3 and 5, connecting pins 6b are provided in the middle part in the vertical direction, respectively. The inner door 18 is configured to be removably inserted into the fitting hole 18e. Each of the connecting pins 6b is integrally provided with a lower end portion or an upper end portion on a bracket 6c fixed to the outer surface of the outer door 6 of the first and third portions 3 and 5, respectively. The connecting pin 6b provided on the outer door 6 has a sharp tip end facing upward, and the connecting pin 6b provided on the outer door 6 of the third portion 5 is provided with the sharp tip facing downward. It has been.
And these connection pins 6b are arranged such that the tip of the connection pin 6b of the first part 3 is connected to the engagement receiving portion 18b of the inner door 18 immediately before the elevating body 17 descends from the floor and reaches the first floor stop position. The fitting hole 18e is set so as to be loosely fitted from below. Further, when ascending from the downstairs, immediately before reaching the stop position on the second floor, the tip of the connecting pin 6b of the third part 5 is fitted into the fitting hole 18e of the engagement receiving portion 18b of the inner door 18 in a loose fit from above. Are set to match. In this way, the inner door 18 and the outer door 6 are connected by fitting the connecting pin 6b into the fitting hole 18e on the lifting body 17 side at the stop position on the first and second floors of the lifting body 17. When the inner door 18 or the outer door 6 is gripped and opened and swinged when the inner door 18 or the outer door 6 is held, the doors 18 and 6 are relatively displaced as the connecting pin 6b moves in the left-right direction in the fitting hole 18e. However, it is set to swing integrally.

Furthermore, the connecting frame member 17f disposed at the left and right corners located behind the lifting body 17 has support shafts 19a that are located at a plurality of locations in the vertical direction and project outward in the horizontal direction. A first guide roller 19 that is guided by the first, second, and third guide pieces 9a, 9b, 12a, 12b, 16a, and 16b of 3, 4, and 5 is rotatably provided. Further, the connecting frame member 17f has support shafts 20a that are located at a plurality of locations in the vertical direction and project in the front-rear direction (rear), and are guided by the third guide pieces 9c, 12c, and 16c. 20 is rotatably provided. Further, the front end surfaces of the left and right front frame members 17g have support shafts 21a that are located at a plurality of locations in the vertical direction and project forward, and the fourth and fifth guide pieces 8b, 8c, 11b, 11c, and 15b. , 15c, a third guide roller 21 guided rotatably is provided. Thereby, when the elevating body 17 is viewed in plan, the first to third guide rollers 19, 20, and 21 are arranged at four corner portions (each corner portion) of the elevating body 17, respectively. The first to third guide rollers 19, 20, and 21 are first to fifth guide pieces 9a, 9b, 9c, 8b, 8c, 12a, 12b, 12c, 11b, 11c, 16a, 16b, 16c, 15b, By receiving the movement guidance by 15c, the lifting and lowering body 17 is controlled to move up and down in the hoistway 2 in a state where movement in the front-rear direction is restricted (stabilized) and movement in the left-right direction is regulated (stabilized). It is set to be.
Incidentally, in the present embodiment, the third guide roller 21 is guided by the fourth and fifth guide pieces 8b, 8c, 11b, 11c, 15b, and 15c. In order to restrict the left and right movement of the third guide roller 21, the fourth guide pieces 8 b, 11 b, and 15 b can be provided, and the fifth guide pieces 8 c, 11 c, and 15 c are not necessarily provided.

Further, a fourth guide roller (corresponding to the locking roller of the present invention) 22 having support shafts 22a that are located at a plurality of positions in the vertical direction and project to the left is provided on the door front end surface of the inner door 18 of the lifting body 2. Is rotatably provided. The fourth guide roller 22 includes seventh guide pieces 8a, 11a, 15a formed by the sixth guide pieces 8d, 11d, 15d formed in the hoistway 2 and the tip portions of the projecting pieces 8a, 11a, 15a. The sixth and seventh guide pieces 8d, 11d, 15d, 8a, 11a, and 15a correspond to the locking guide pieces of the present invention. . The fourth guide roller 22 receives the movement guidance of the sixth and seventh guide pieces 8d, 11d, 15d, 8a, 11a, and 15a, thereby restricting the swinging of the inner door 18 in the front-rear direction (opening / closing direction). As a result, the inner door 18 is not accidentally opened or closed, and the elevating body 17 can be moved up and down while the inner door 18 is maintained in a preset closing posture. Is set to
Further, the sixth guide pieces 8d and 15d of the first and third portions 3 and 5 are positioned at portions facing the fourth guide roller 22 when the elevating body 17 stops at a predetermined stop position on the first floor or the second floor. Thus, a notch C is formed and set so as to allow the inner door 18 to swing forward. As a result, the inner door 18 of the elevating body 17 receives the movement guidance of the sixth and seventh guide pieces 8d, 8a, 11a, 11d, 15a, and 15d as described above when the elevating body 17 moves up and down. Thus, the open swing is restricted, and when the lifting body 17 reaches a predetermined stop position on the first floor or the second floor, the opening swing is allowed to be forwarded. This corresponds to a locking means for holding the inner door 18 in a closed posture at the same time as raising and lowering.

The home elevator 1 forms an opening in the ceiling between the first floor and the second floor, and the lower part of the first part 3 constituting the hoistway 2 in the elevator installation part (installation part) on the first floor 3a is fixed to the casing, the left and right side pieces 3b and 3c are fixed to the lower piece 3a and the casing floor, and the rear piece 3d is fixed in a state where the left and right side pieces 3b and 3c are connected, and The first part 3 is incorporated into the housing by fixing the rear piece 3d to the housing. Subsequently, the second part 4 is incorporated from the opening opened in the ceiling, and finally the third part 5 is incorporated from the second floor, but the connection between the first part 3 and the second part 4, the second part 4 and the first part The connection with the three parts 5 is made through a connecting piece 23.
That is, the vertical frame members 11 and 12 disposed before and after the second portion 4 are formed in a rectangular tube shape as described above, and are connected in advance above and below the four rectangular tube holes 11e and 12d for convenience. The lower end portion and the upper end portion of the piece 23 are fitted and fixed, respectively, and the connecting piece 23 protrudes from the upper and lower end edge portions of the vertical frame members 11 and 12. And the 2nd site | part 4 to which the connection piece 23 was fixed is integrated from the ceiling part side, However, At this time, the connection piece 23 which protrudes below is the vertical frame material 8 arrange | positioned before and behind the 1st site | part 3. , 9 are inserted into the respective cylindrical holes 8e, 9d in a state of being fitted, and the lower end portion of the inserted connecting piece 23 is fixed to the first part vertical frame members 8, 9, so that the second part 4 and the first part It is comprised so that connection fixation with the site | part 3 may be made.
In the present embodiment, the connecting piece 23 is configured to be fixed in advance to the second part 4 side and connected to the first and third parts 3 and 5. However, the connecting piece 23 is fixed in advance. Any of the first, second, and third portions 3, 4, and 5 may be performed.

  In the state where the second part 4 is incorporated, the elevating body 17 is installed in the hoistway 2 and the third part 5 is incorporated. The third part 5 is formed by the left and right side pieces 5a, 5b. The upper end of the connecting piece 23 protruding upward from the upper end edge of the second part vertical frame member 11, 12 is incorporated in the lower end portion of the rectangular tube holes 15 e, 16 d of the front and rear vertical frame members 15, 16. The second portion 4 and the third portion 5 are connected and fixed by fixing the upper end portion of the connecting piece 23 to the third portion vertical frame members 15 and 16. Subsequently, the third part rear piece 5c is connected, the outer door 6 is assembled into the first and third parts 3 and 5, and the drive box 13 is assembled above the third part 5 from the drive box 13. By connecting the extending belt body 13 a to the upper piece 17 a of the elevating body 17, the elevator 1 is set.

Incidentally, the height (length) dimension between the first-floor floor and the second-floor floor is different for each house, but in this embodiment, the length of the hoistway 2 to the second-floor floor in each house is adjusted. Is adjusted by adjusting the length of the second portion 4, and the third portion 5 incorporated from the second floor and the second floor surface are reliably aligned. Thereby, the connection part of the 2nd site | part 4 and the 3rd site | part 5 is made not to be exposed from a 2nd floor surface, and it can be set as the elevator 1 with high design property. Moreover, the connection part of said 2nd, 3rd site | parts 4 and 5 is prevented from falling too much from a 2nd floor, and opening and closing of the inner door 18 provided in the 3rd site | part 5 is not impaired.
And the length adjustment of the 2nd site | part 4 is comprised so that it may adjust by cut | disconnecting the front-and-back vertical frame materials 11 and 12 site | part which protrudes upward rather than each upper edge part of the front panel body 4c and the panel body 10 suitably. Thus, the length of the hoistway 2 can be easily adjusted, and can be easily handled on site.
The drive box 13 is configured to move the lifting body 17 up and down by causing a winding device around which the belt body 13a connected to the lifting body 17 is wound, and winding and unwinding the winding device. Necessary members such as the drive device are accommodated and are arranged between the third portion 5 and the second floor ceiling surface. The drive box 13 and the third part 5 are connected to each other by using the connecting piece 23 inserted into the upper ends of the front and rear vertical frame members 15 and 16 of the third part 5 so that the compactness can be achieved. Has been.

  Then, in the state where the hoistway 2 is incorporated and the hoistway 17 is housed in the hoistway 2, the first and second vertical frame members 8, 9, 11, 12, 15, and 16 constituting the hoistway 2 are integrally formed in advance. The first to sixth guide pieces 9a, 9b, 9c, 12a, 12b, 12c, 16a, 16b, 16c, 8b, 8c, 8d, 11b, 11c, 11d, 15b, 15c, 15d are aligned in the vertical direction. It is in a state and is set so as to form a long guide surface extending from the first to third parts 3, 4, 5. And the elevating body 17 has the first to fifth guide pieces 9a, 12a, 16a, 9b, 12b, the outer peripheral surfaces of the first to third guide rollers 19, 20, 21 provided at the four corners. 16b, 9c, 12c, 16c, 8b, 11b, 15b, 8c, 11c, and 15c are assembled in contact with the guide surfaces, respectively, and the fourth guide roller 22 has sixth and seventh guide pieces 8d, 11d, 15d, 8a, 11a, and 15a are assembled in contact with the guide surfaces. As a result, the elevating body 17 is subjected to the back-and-forth motion stabilization and the lateral motion stabilization by the first to third guide rollers 19, 20, and 21 and the inner door by the fourth guide roller 22 as described above. The hoistway 2 is set so as to move up and down in a state of receiving 18 opening restriction action.

  Furthermore, the guide surfaces of the first to sixth guide pieces 9a, 12a, 16a, 9b, 12b, 16b, 9c, 12c, 16c, 8b, 11b, 15b, 8c, 11c, 15c, 8d, 11d, 15d The cushioning material 24 made of a resin rubber material is integrally provided in the longitudinal direction. Here, the buffer material 24 does not necessarily need to be a long body extending over the entire length in the vertical direction of the hoistway 2, and can be provided in the longitudinal direction from the viewpoint of ease of assembly. In this case, the divided connecting portions (joints) of the cushioning material 24 and the connecting portions (joints) between the guide surfaces are provided so as to be misaligned. Thereby, each guide piece 9a and 12a, 12a and 16a, 9b and 12b, 12b and 16b, 9c and 12c, 12c and 16c, 8b and 11b, 11c and 15b, 8c and 11c, 11c and 15c, 11d and 11d, Even if the guide surface becomes unsmooth based on some positional deviation in the connecting portion between 11d and 15d, the connecting portion is covered with the cushioning material 24 to become a smooth surface, and the first to fourth guide rollers 19, The movement guides 20, 21, and 22 are configured to be quiet and smooth. Incidentally, the connecting portion between the cushioning materials 24 is such that the cushioning material 24 is not made of metal, and the smoothness deterioration due to some positional deviation does not generate a large noise and does not impair the quietness. Can be. Further, when the cushioning material 24 is divided and provided in the longitudinal direction, when the cushioning material 24 is worn out, the cushioning material 24 can be partially replaced according to the worn portion instead of being replaced. To improve the performance.

In the present embodiment configured as described, the elevator 1 winds and unwinds the belt body 13a based on the operation of an operating tool (not shown), whereby the lifting body 17 moves up and down in the hoistway 2. In this case, the hoistway 2 is divided into the first, second, and third parts 4, 5 and 6, and the first floor or the second floor. It can be built in and does not require large-scale roof construction from the second floor ceiling to the roof. As a result, it can be easily and inexpensively installed in an existing house in a short time.
In addition, in this structure, the inner door 18 for opening and closing the elevating body 17 is provided with a fourth guide roller 22 as a locking guide roller constituting a locking means at the end on the door end side, while the hoistway 2 Sixth and seventh guide pieces 8d, 11d, 15d, 8a, 11a, and 15a are formed, and at predetermined stop positions on the first floor and the second floor, forward through a notch C formed in the sixth guide pieces 8d and 15d. Although the swinging is allowed, when the lifting / lowering body 17 moves up and down, the fourth guide roller 22 receives the movement guidance by the sixth and seventh guide pieces 8d, 11d, 15d, 8a, 11a, and 15a, and opens and closes. The movement is regulated and the closed posture is maintained. As a result, there is no problem that the position of the inner door 18 is displaced when the elevating body 17 moves up and down, so that the engagement receiving portion 18b on the inner door 18 (elevating body 17) side and the outer door 6 ( The engagement / disengagement (withdrawal / removal) operation with the connecting pin 6b on the hoistway 2) side is performed reliably, and the integral opening / closing operation of the inner door 18 and the outer door 6 can be performed reliably.

  And in this thing, the locking means which locks the inner door 18 is the 6th, 7th guide piece 8d, 11d formed in the guide roller 22 for locking, and the front-and-rear vertical frame members 8, 9, 11, 12, 15, 16. 15d, 8a, 11a, and 15a, the sixth and seventh guide pieces 8d, 11d, 15d, 8a, 11a, and 15a are required to move and guide the lifting body 17 from the first to the first. The five guide pieces 9a, 9b, 9c, 8b, 8c, 12a, 12b, 12c, 11b, 11c, 16a, 16b, 16c, 15b, and 15c can be integrally formed to simplify the configuration.

  In addition, in order to release the opening / closing swing of the inner door 18, the notch portion C is simply formed in the sixth guide pieces 87 d and 15 d of the first and third portions 3 and 5. Therefore, it is not necessary to separately provide a member for releasing the lock means, and the configuration can be simplified and the number of parts can be reduced. Moreover, when the inner door 18 is unlocked, the lifting and lowering body 17 is automatically released when it reaches a predetermined position, so that it is not necessary to perform the releasing operation one by one, and the operability is excellent.

  Moreover, in this case, the first to third guide rollers 19, 20, 21 are provided at the four corners of the lifting body 17, and the first to fifth guide pieces 9 a, 12 a, 16 a, 9 b provided on the hoistway 2 side. , 12b, 16b, 9c, 12c, 16c, 8b, 11b, 15b, 8c, 11c, 15c, and the vertical movement of the lifting body 17 is supported at the four corners. It is not necessary to increase the rigidity of the elevating body 2 by being distributed, and each guide piece 9a, 12a, 16a, 9b, 12b, 16b, 9c, 12c, 16c, 8b, 11b, 15b, 8c, 11c, It is not necessary to make the 15c (guide body) particularly sturdy, and the elevator 1 can be made compact. In addition, the lifting body 17 can easily correct the posture of the lifting body 17 with respect to the hoistway 2 by supporting the four corners, can realize stable and smooth vertical up-and-down movement with little vibration, and the displacement of the inner door 18 can be shifted. Further avoidance is made, and the engagement operation with the outer door 6 can be performed more reliably.

  Moreover, in this thing, since the 1st and 2nd guide rollers 19 and 20 from which the protrusion direction of the spindles 19a and 20a each differ are provided in the back two places among the four corners of the raising / lowering body 17, raising / lowering is carried out. The body 17 is moved up and down in a state in which the movement in the left and right directions and the left and right directions is restricted, so that stability and smoothness can be further improved.

Of course, the present invention is not limited to the above-described embodiment, and a first guide roller having a support shaft facing in the left-right direction and a second shaft having a support shaft facing in the front-rear direction are provided on the elevating body. The guide roller is provided at any one of the four corners of the lifting body, so that the lifting body can be moved and guided in a positioning manner. For example, FIGS. 11A, 11B, and 11C. It can be configured as shown in FIG.
As for the raising / lowering body 25 of 2nd Embodiment shown to FIG. 11 (A), the 1st, 2nd guide rollers 26 and 27 are provided in all the four corner parts. In this case, if the guide piece provided on the hoistway side for guiding the movement of the guide rollers 26 and 27 guides only one side in the left-right direction or the front-rear direction of each roller so as to be left-right symmetrical. Thus, it is possible to perform the steadying of the lifting body 25 in the left-right direction and the front-rear direction.
The lifting body 28 of the third embodiment shown in FIG. 11B is provided with first and second guide rollers 29 and 30 at two corners on the right side among the four corners. In this case, a pair of left and right guide pieces for guiding the left and right sides of each roller is provided for the second guide roller 30 having a longitudinal support shaft that is provided as a pair of guide rollers 29 and 30. This makes it possible to prevent the lifting / lowering body 28 from swinging in the left-right direction.
Furthermore, the raising / lowering body 31 of 4th Embodiment shown to FIG. 11 (C) is the structure by which the 1st, 2nd guide rollers 32 and 33 are provided only in the corner located in the left side back among four corners. It has become. In this case, by providing guide pieces for guiding the left and right side portions of the first and second guide rollers 32 and 33 provided at the left rear corner, the lifting and lowering body 31 can be prevented from shaking in the left and right direction and the front and rear direction. Thus, in any case, when the elevating bodies 25, 28, and 31 are moved up and down, the back and forth of the back and forth direction is formed instead of the left and right direction, and stable and smooth. It can be activated.

1A and 1B are a front view and a side view, respectively, of a home elevator. It is a schematic perspective view of a household elevator. It is a disassembled perspective view of a hoistway. It is a plane sectional view of a household elevator. It is a principal part expanded plan sectional view of a household elevator. It is a principal part expanded plan sectional view of a household elevator. FIGS. 7A and 7B are a perspective view and a main part enlarged plan sectional view of a main part of a home elevator, respectively. It is a principal part plane sectional view in the state where the inner and outer doors of a household elevator were closed. It is a principal part plane sectional view in the state where the inner and outer doors of a household elevator were opened. It is AA sectional drawing of FIG. FIGS. 11A, 11B, and 11C are plan views of patterned lift bodies in the second, third, and fourth embodiments, respectively.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Elevator 2 Hoistway 3 First part 3b Left side part 4 Second part 4a Left side part 5 Third part 5b Right side part 6 Outer door 7 Panel body 8 Front vertical frame material 8a Projection piece 8b Fourth guide piece 9 Rear Vertical frame member 9a First guide piece 11 Front vertical frame member 12 Rear vertical frame member 12b Second guide piece 13 Drive box 15 Front vertical frame member 15c Fifth guide piece 16c Third guide piece 17 Lifting body 18 Inner door 19 First Guide roller 23 Connecting piece 24 Buffer material

Claims (4)

  In a home elevator comprising a box-like hoistway that communicates between the lower floor and the upper floor, and a hoistway that moves up and down in the hoistway. An elevator for home use in which an inner door for the entrance / exit provided in the lifting body is provided with a locking means for locking the inner door in a closed posture when moving up and down in the hoistway.   2. The household elevator according to claim 1, wherein the lock means includes a lock roller provided at a door tip of the inner door and a lock guide piece provided in a hoistway so that the roller can run.   3. The household elevator according to claim 2, wherein the lock means is configured to release the lock of the inner door by facing the notch portion formed in the lock guide piece by the lock roller.   4. The household elevator according to claim 1, 2 or 3, wherein the elevating body is provided with guide rollers at four corners, and these guide rollers are configured to travel on guide pieces provided on the hoistway.

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