JP5436159B2 - Three-way elevator - Google Patents

Description

  The present invention relates to an elevator three-way frame provided around an elevator doorway.

  2. Description of the Related Art Conventionally, there is known an elevator three-way frame in which an upper frame disposed at an upper part of an elevator doorway and a vertical frame disposed at a side portion of the elevator doorway are connected by a contact plate. The backing plate is fixed to the upper frame and the vertical frame across the boundary between the upper frame and the vertical frame in a state where the upper frame is placed on the vertical frame. The upper frame and the vertical frame have a plate-shaped reinforcing member and a design member provided at an edge of the reinforcing member on the elevator doorway side. The design member is provided on the reinforcement member by inserting the edge of the reinforcement member into a groove provided on the design member (see, for example, Patent Document 1).

Japanese Patent Laid-Open No. 2000-211183

  In the conventional three-way frame of an elevator, when the upper frame is attached to the vertical frame, the lower surface of the upper frame is brought into contact with the upper end surface of the vertical frame, and the upper frame with respect to the vertical frame in each of the width direction and the depth direction of the elevator entrance / exit Although it is necessary to adjust the position, since the bottom surface of the upper frame and the upper end surface of the vertical frame are both flat, it is difficult to understand the reference of the position of the upper frame with respect to the vertical frame. The adjustment work takes time and effort. Therefore, it takes time to manufacture the three-way frame of the elevator.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to obtain an elevator three-way frame that can be easily manufactured.

The three-way frame of the elevator according to the present invention includes a vertical frame main body including a vertical frame front plate portion and a vertical frame locking portion provided on the back surface of the vertical frame front plate portion, and a vertical frame avoiding the vertical frame locking portion. A vertical frame reinforcing member including a vertical frame reinforcing back plate portion provided on the back surface of the front plate portion, and a vertical frame disposed on a side portion of the elevator doorway, and an upper frame front plate portion and an upper frame front plate An upper frame including an upper frame main body including an upper frame engaging portion provided on the back surface of the upper portion, and an upper frame reinforcing back plate portion provided on the rear surface of the upper frame front plate portion while avoiding the upper frame engaging portion. and a reinforcing member, is placed on top of the elevator doorway, with an upper frame attached to the upper end of the vertical frame, a upper frame reinforcing backing plate section, frontage outwardly of the elevator doorway than the upper frame table plate portion The upper frame has a protruding part that protrudes toward the rear surface of the vertical frame front plate part, and the protruding part engages with the vertical frame locking part in the height direction of the elevator doorway. In a state where the upper frame engaging portion is engaged with the vertical frame locking section for frontage direction of the elevator doorway, it is attached to the vertical frame.

Further, the three-way frame of the elevator according to the present invention avoids the vertical frame main body including the vertical frame front plate portion and the vertical frame locking portion provided on the back surface of the vertical frame front plate portion, and the vertical frame locking portion. A vertical frame reinforcing member including a vertical frame reinforcing back plate portion provided on the back surface of the vertical frame front plate portion, and a vertical frame disposed on a side portion of the elevator doorway, and an upper frame front plate portion and an upper frame An upper frame main body including an upper frame engaging portion provided on the back surface of the front plate portion, and an upper frame reinforcing back plate portion provided on the back surface of the upper frame front plate portion while avoiding the upper frame engaging portion. An upper frame reinforcing member, disposed at the upper part of the elevator doorway, provided with an upper frame attached to the upper end of the vertical frame, and the vertical frame reinforcing back plate part projects upward from the vertical frame front plate part The upper frame has a protruding part, the back surface of the upper frame front plate part contacts the protruding part, the upper frame locking part engages with the vertical frame locking part in the height direction of the elevator doorway, and the elevator doorway In a state where the upper frame engaging portion is engaged with the protrusion for the frontage direction, it is attached to the vertical frame.

  In the three-way frame of the elevator according to the present invention, the upper frame reinforcing back plate part has a protruding part that protrudes in the direction of the entrance of the elevator from the upper frame front plate part, and the upper frame has a vertical frame surface. A state in which the back surface of the plate portion is in contact, the protruding portion engages with the vertical frame locking portion in the height direction of the elevator doorway, and the upper frame locking portion engages with the vertical frame locking portion in the opening direction of the elevator doorway Thus, since it is attached to the vertical frame, it is possible to easily position the upper frame with respect to the vertical frame in each of the height direction, the frontage direction, and the depth direction of the elevator doorway. Therefore, the position of the upper frame with respect to the vertical frame can be easily adjusted, and the three-way frame can be easily manufactured.

  In the three-way frame of the elevator according to the present invention, the back frame portion for reinforcing the vertical frame has a protruding portion that protrudes upward from the upper frame surface plate portion, and the upper frame has a protruding portion on the back surface of the upper frame surface plate portion. The upper frame locking portion engages with the vertical frame locking portion in the height direction of the elevator doorway, and the upper frame locking portion engages with the protruding portion in the opening direction of the elevator doorway. Therefore, it is possible to easily position the upper frame with respect to the vertical frame in each of the height direction, the frontage direction, and the depth direction of the elevator doorway. Therefore, the position of the upper frame with respect to the vertical frame can be easily adjusted, and the three-way frame can be easily manufactured.

It is a front view which shows the three-way frame of the elevator by Embodiment 1 of this invention. It is sectional drawing along the II-II line of FIG. It is sectional drawing along the III-III line of FIG. It is an enlarged view which shows the IV section of FIG. It is a front view which shows the vertical frame of FIG. It is a top view which shows the vertical frame of FIG. It is a front view which shows the upper frame of FIG. It is a side view which shows the upper frame of FIG. It is sectional drawing along the IX-IX line of FIG. It is a front view which shows the fixing metal fitting of FIG. It is a side view which shows the fixing metal fitting of FIG. It is an enlarged view which shows the XII part of FIG. It is sectional drawing along the XIII-XIII line of FIG.

Embodiment 1 FIG.
1 is a front view showing a three-way frame of an elevator according to Embodiment 1 of the present invention. 2 is a cross-sectional view taken along line II-II in FIG. 1, and FIG. 3 is a cross-sectional view taken along line III-III in FIG. In addition, in FIG. 1, the three-way frame when it sees from the landing side is shown. In the figure, a landing doorway 1 that is an elevator doorway is formed by a building wall 2 (FIGS. 2 and 3). The surface of the building wall 2 that forms the hall entrance 1 is a predetermined design surface (for example, a stone-finished surface) 2a. As shown in FIG. 1, a sill 3 along the frontage direction (width direction) of the landing entrance 1 is disposed at the lower part of the landing entrance 1. The upper surface of the threshold 3 is located on the same plane as the floor of the hall.

  A three-way frame 4 is disposed around the hall entrance 1. The three-way frame 4 is attached to the building wall 2 from the landing side. The three-way frame 4 includes a pair of vertical frames 5 disposed on the side of the landing doorway 1, an upper frame 6 disposed on the top of the landing doorway 1 and attached to the upper end of each vertical frame 5, and each vertical frame 5. A pair of frame fixing devices 7 for fixing the upper frame 6 to the upper end portion of the frame 5 and a pair of sill fixing devices 8 for fixing the lower end portion of each vertical frame 5 to the sill 3 are provided. Each vertical frame 5 is arranged along the height direction of the hall entrance 1 and the upper frame 6 is arranged along the frontage direction of the hall entrance 1.

  FIG. 4 is an enlarged view showing a portion IV in FIG. 5 is a front view showing the vertical frame 5 of FIG. 4, and FIG. 6 is a top view showing the vertical frame 5 of FIG. In the figure, the vertical frame 5 has a vertical frame main body 9 along the length direction of the vertical frame 5 and a vertical frame reinforcing member 10 attached to the vertical frame main body 9 and reinforcing the vertical frame main body 9. .

  As shown in FIG. 6, the vertical frame main body 9 includes a plate-shaped vertical frame front plate portion 11 disposed on the hoistway side of the building wall 2 with the back surface facing the building wall 2, and the vertical frame front plate portion 11. Provided on the back surface, provided on the back surface of the vertical frame front plate portion 11, and the vertical frame folded portion (vertical frame locking portion) 12 disposed between the back surface of the vertical frame front plate portion 11 and the building wall 2, A vertical frame vertical portion 13 that protrudes vertically from the vertical frame front plate portion 11 while avoiding the building wall 2 is provided. The vertical frame front plate part 11, the vertical frame folded part 12 and the vertical frame vertical part 13 are formed by bending a single steel plate.

  The vertical frame front plate portion 11 is disposed perpendicular to the depth direction of the hall entrance 1 (a direction perpendicular to both the height direction and the frontage direction of the hall entrance 1). The vertical frame folding part 12 is disposed along the height direction of the hall entrance 1. The vertical frame vertical portion 13 is arranged along the height direction of the hall entrance 1 in a state perpendicular to the vertical frame front plate portion 11.

  The vertical frame turn-back portion 12 is disposed along the vertical frame front plate portion 11 at a position closer to the landing entrance 1 than the vertical frame reinforcing member 10. Moreover, the vertical frame folding | returning part 12 has the opposing part 12a which opposes the back surface of the vertical frame surface board part 11 through a clearance gap, and the connection part 12b which connects between the opposing part 12a and the vertical frame surface board part 11. FIG. ing. The facing part 12 a contacts the building wall 2. The connection part 12b connects between the edge part of the vertical frame surface board part 11 and the opposing part 12a by the side close | similar to the landing doorway 1 each. Accordingly, the connecting portion 12 b is exposed at the landing entrance 1. As shown in FIG. 6, the vertical frame main body 9 is arranged so that the position of the exposed surface of the connecting portion 12 b is flush with the design surface 2 a.

  A step 11 a is provided at a portion of the vertical frame front plate portion 11 on the landing entrance 1 side. The vertical frame turn-back portion 12 is provided only in a portion below the step 11 a of the vertical frame front plate portion 11. Therefore, the position of the upper end part of the vertical frame folding | returning part 12 is a position lower than the upper end part of the vertical frame surface board part 11, as shown in FIG.

  As shown in FIG. 6, the vertical frame reinforcing member 10 includes a vertical frame reinforcing back plate portion 14 that is overlapped on the back surface of the vertical frame front plate portion 11 while avoiding the vertical frame folded portion 12, and a vertical frame reinforcing back plate. The vertical frame reinforcing vertical portion 15 provided in the portion 14 and superimposed on the vertical frame vertical portion 13, and the vertical frame reinforcing mounting portion provided in the vertical frame reinforcing vertical portion 15 and disposed so as to avoid the building wall 2. 16. The vertical frame reinforcing back plate part 14, the vertical frame reinforcing vertical part 15 and the vertical frame reinforcing mounting part 16 are formed by bending a single steel plate.

  As shown in FIG. 5, the position of the upper end portion of the vertical frame reinforcing member 10 is lower than the upper end portion of the vertical frame front plate portion 11 and higher than the upper end portion of the vertical frame folded portion 12. Yes. The vertical frame reinforcing back plate portion 14 is overlapped with the vertical frame front plate portion 11 while avoiding a predetermined region located above the vertical frame folded portion 12 in the upper back surface of the vertical frame front plate portion 11. Yes. The thickness of the vertical frame reinforcing back plate portion 14 is smaller than the protruding amount of the vertical frame folded portion 12 from the back surface of the vertical frame front plate portion 11. In this example, the dimension between the hoistway side surface of the vertical frame front plate portion 11 and the surface of the facing portion 12a on the building wall 2 side is about 6 mm or 9 mm.

  The vertical frame reinforcing member 10 is bonded to the vertical frame main body 9 via an adhesive. The vertical frame reinforcing member 10 is coupled to the vertical frame main body 9 by rivets 17. As shown in FIG. 5, the rivet 17 is passed through the vertical frame vertical portion 13 and the vertical frame reinforcing vertical portion 15.

  A plurality of through holes (not shown) penetrating the vertical frame vertical portion 13 and the vertical frame reinforcing vertical portion 15 are provided at the upper end portion of the vertical frame 5. As shown in FIG. 5, a plurality of (two in this example) nuts (weld nuts) 18 are fixed to the vertical frame vertical portion 13 in accordance with the positions of the respective through holes. The nuts 18 are arranged away from each other in the longitudinal direction of the vertical frame 5.

  7 is a front view showing the upper frame 6 of FIG. 4, and FIG. 8 is a side view showing the upper frame 6 of FIG. The upper frame 6 includes an upper frame main body 19 along the length direction of the upper frame 6, and an upper frame reinforcing member 20 that is attached to the upper frame main body 19 and reinforces the upper frame main body 19.

  As shown in FIG. 8, the upper frame main body 19 includes a plate-like upper frame front plate portion 21 disposed on the hoistway side of the building wall 2 with the back surface facing the building wall 2, and the upper frame front plate portion 21. Provided on the back surface, provided on the back surface of the upper frame front plate portion 21 and the upper frame folded portion (upper frame locking portion) 22 disposed between the rear surface of the upper frame front plate portion 21 and the building wall 2, The upper frame vertical part 23 which protrudes perpendicularly | vertically from the upper frame surface board part 21 avoiding the building wall 2 is provided. The upper frame front plate portion 21, the upper frame folded portion 22 and the upper frame vertical portion 23 are formed by bending a single steel plate.

  The upper frame front plate portion 21 is disposed perpendicular to the depth direction of the hall entrance 1. The upper frame folding part 22 is arranged at the lower part of the upper frame front plate part 21 along the frontage direction of the hall entrance 1. The upper frame vertical portion 23 is arranged on the upper portion of the upper frame front plate portion 21 along the frontage direction of the landing entrance 1 in a state perpendicular to the upper frame front plate portion 21.

  The upper frame turn-back portion 22 is disposed along the upper frame front plate portion 21 at a position closer to the landing doorway 1 than the upper frame reinforcing member 20 (downward). The upper frame turn-back portion 22 includes a facing portion 22a that faces the back surface of the upper frame front plate portion 21 via a gap, and a connecting portion 22b that connects the facing portion 22a and the upper frame front plate portion 21. ing. The facing portion 22 a contacts the building wall 2. The connecting portion 22b connects the end portions of the upper frame front plate portion 21 and the facing portion 22a on the side close to the landing entrance 1. Accordingly, the connecting portion 22b is exposed at the landing entrance 1. As shown in FIG. 8, the upper frame body 19 is arranged such that the position of the exposed surface of the connecting portion 22b is flush with the design surface 2a.

  The lengths of the upper frame front plate portion 21 and the upper frame folded portion 22 are the same as shown in FIG. The length of the upper frame vertical portion 23 is longer than the length of each of the upper frame front plate portion 21 and the upper frame folded portion 22. Therefore, the upper frame vertical portion 23 protrudes outward in the length direction of the upper frame 6 from each of the upper frame front plate portion 21 and the upper frame folded portion 22.

  The upper frame reinforcing member 20 is provided on the upper frame reinforcing back plate portion 24 and the upper frame reinforcing back plate portion 24 which are overlapped on the back surface of the upper frame front plate portion 21 so as to avoid the upper frame folded-back portion 22, And an upper frame reinforcing vertical portion 25 superimposed on the frame vertical portion 23. The upper frame reinforcing back plate portion 24 and the upper frame reinforcing vertical portion 25 are formed by bending a single steel plate.

  The length of the upper frame reinforcing vertical portion 25 is the same as the length of the upper frame vertical portion 23 as shown in FIG. The length of the upper frame reinforcing back plate portion 24 is shorter than the length of the upper frame vertical portion 23 and longer than the length of the upper frame front plate portion 21. Therefore, the upper frame reinforcing back plate portion 24 has a protruding portion 24 a that protrudes outward in the entrance direction of the hall entrance 1 from the upper frame front plate portion 21. As shown in FIG. 8, the thickness of the upper frame reinforcing back plate portion 24 is smaller than the protruding amount of the upper frame folded portion 22 from the back surface of the upper frame front plate portion 21. In this example, the dimension between the hoistway side surface of the upper frame front plate portion 21 and the surface of the facing portion 22a on the building wall 2 side is about 6 mm or 9 mm.

  A plurality (two in this example) of stud bolts 26 are fixed perpendicularly to the upper frame reinforcing back plate portion 24 at the end in the length direction of the upper frame reinforcing back plate portion 24. The stud bolts 26 are arranged apart from each other in the height direction of the hall entrance 1.

  The upper frame reinforcing member 20 is bonded to the upper frame main body 19 via an adhesive. The upper frame reinforcing member 20 is coupled to the upper frame main body 19 by rivets 27. As shown in FIG. 8, the rivet 27 is passed through the upper frame vertical portion 23 and the upper frame reinforcing vertical portion 25.

  In addition, a through-hole penetrating the upper frame vertical portion 23 and the upper frame reinforcing vertical portion 25 is provided at an end portion in the length direction of the upper frame 6. A nut (POP nut) 28 is fixed to the lower surface of the upper frame reinforcing vertical portion 25 according to the position of the through hole. On the upper surface of the upper frame vertical portion 23, a fitting for a door device for moving a door that opens and closes the hall entrance 1 is attached using a nut 28.

  9 is a cross-sectional view taken along line IX-IX in FIG. As shown in FIGS. 4 and 9, in the upper frame 6, the protruding portion 24 a comes into contact with the back surface of the vertical frame front plate portion 11, and the protruding portion 24 a is engaged with the vertical frame folded portion 12 in the height direction of the landing entrance 1. In addition, the upper frame folded portion 22 is attached to the vertical frame 5 in a state where the upper frame folded portion 22 is engaged with the vertical frame folded portion 12 in the frontage direction of the landing entrance 1.

  In the state in which the upper frame 6 is attached to the vertical frame 5, as shown in FIG. It occurs between the frame front plate portion 21 and between the vertical frame reinforcing back plate portion 14 and the upper frame reinforcing back plate portion 24.

  The frame fixing device 7 that fixes the upper frame 6 to the vertical frame 5 includes a fixing bracket 30 that is fixed to each of the vertical frame 5 and the upper frame 6. The fixing metal fitting 30 is provided in a plate-like vertical frame side fixing portion 30a that is overlapped with the vertical frame reinforcing vertical portion 15, and a plate-like portion that is provided on the vertical frame side fixing portion 30a and is overlapped with the upper frame reinforcing back plate portion 24. And an upper frame side fixing portion 30b. The upper frame side fixing portion 30b is provided perpendicular to the vertical frame side fixing portion 30a. Therefore, the cross-sectional shape of the fixture 30 is L-shaped by the vertical frame side fixing portion 30a and the upper frame side fixing portion 30b.

  Here, FIG. 10 is a front view showing the fixing metal fitting 30 of FIG. 9, and FIG. 11 is a side view showing the fixing metal fitting 30 of FIG. The vertical frame side fixing portion 30a is provided with a plurality of (two in this example) vertical frame side long holes 31 along a direction perpendicular to the upper frame side fixing portion 30b. The upper frame side fixing portion 30b is provided with a plurality (two in this example) of upper frame side long holes 32 along a direction perpendicular to the vertical frame side fixing portion 30a.

  As shown in FIGS. 4 and 9, the vertical frame side fixing portion 30 a has bolts 33 passed through the vertical frame side long holes 31, respectively, in the through holes of the vertical frame reinforcing vertical portion 15 and the vertical frame vertical portion 13. Is fixed to the vertical frame 5 by being screwed into the nuts 18. The upper frame side fixing portion 30 b is fixed to the upper frame 6 by screwing a nut 34 into the stud bolt 26 passed through each upper frame side long hole 32.

  The position of the vertical frame side fixing portion 30 a with respect to the vertical frame 5 can be adjusted in the direction along the vertical frame side long hole 31. The upper frame side fixing portion 30 b can be adjusted in position with respect to the upper frame 6 in the direction along the upper frame side long hole 32. Thereby, the fixing bracket 30 can adjust the position with respect to the vertical frame 5 in the opening direction of the landing doorway 1 and can adjust the position with respect to the upper frame 6 in the depth direction of the landing doorway 1.

  The upper frame 6 is fixed to the vertical frame 5 by fixing the fixing bracket 30 to each of the vertical frame 5 and the upper frame 6. The position of the upper frame 6 with respect to the vertical frame 5 is fixed by fixing the upper frame 6 with respect to the vertical frame 5.

  FIG. 12 is an enlarged view showing the XII portion of FIG. FIG. 13 is a cross-sectional view taken along line XIII-XIII in FIG. A notch 35 is provided at the lower end of the vertical frame reinforcing back plate 14. The cutout portion 35 is provided in a portion of the vertical frame reinforcing back plate portion 14 on the vertical frame turn-up portion 12 side. A reinforcing plate 36 having a part inserted into the notch 35 is fixed to the back surface of the lower end portion of the vertical frame front plate portion 11. As shown in FIG. 13, the reinforcing plate 36 is inserted into a gap between the facing portion 12 a and the vertical frame front plate portion 11.

  At the lower end of the vertical frame 5, a plurality of through holes (not shown) penetrating the vertical frame reinforcing attachment portion 16, and a plurality fixed to the vertical frame reinforcing attachment portion 16 in accordance with the position of each through hole. (In this example, two) nuts (POP nuts) 37 are provided. The nuts 37 are arranged away from each other in the longitudinal direction of the vertical frame 5.

  The sill 3 is provided with a sill step portion 3 a along the length direction of the sill 3. A plurality (two in this example) of stud bolts 38 are fixed perpendicularly to the side surface of the sill 3 on the side surface (vertical surface) of the sill 3 positioned above the sill step portion 3a. Accordingly, each stud bolt 38 is disposed along the depth direction of the hall entrance 1. The stud bolts 38 are arranged away from each other in the length direction of the sill 3 (the entrance direction of the landing entrance 1). The lower end portion of the vertical frame 5 is placed on the threshold level difference portion 3a.

  The sill fixing device 8 that fixes the vertical frame 5 to the sill 3 includes a fixing bracket 39 that is fixed to each of the sill 3 and the vertical frame 5. The fixing bracket 39 includes a plate-like sill side fixing portion 39a that is overlapped on the side surface of the sill 3, and a vertical frame side fixing portion 39b that is provided on the sill side fixing portion 39a and overlaps the vertical frame reinforcing attachment portion 16. doing. The vertical frame side fixing portion 39b is provided perpendicular to the sill side fixing portion 39a.

  The sill side fixing portion 39a is provided with a plurality (two in this example) of sill side bolt through holes. The vertical frame side fixing portion 39b is provided with a plurality of (two in this example) vertical frame side bolt through holes. Each sill side bolt through hole and each vertical frame side bolt through hole are round holes.

  The sill side fixing portion 39a is fixed to the sill 3 by screwing the nut 40 into the stud bolt 38 passed through each sill side bolt through hole. The vertical frame side fixing portion 39b is configured such that the bolt 41 passed through each vertical frame side bolt through hole is passed through the through-hole of the vertical frame reinforcing attachment portion 16 and screwed into each nut 37, whereby the vertical frame 5 Fixed to. The vertical frame 5 is fixed to the sill 3 by fixing the fixing bracket 39 to each of the sill 3 and the vertical frame 5.

  In such an elevator three-way frame, the upper frame reinforcing back plate part 24 has a protruding part 24a that protrudes in the direction of the front entrance of the landing doorway 1 from the upper frame front plate part 21, and the upper frame 6 has a protruding part. 24a is in contact with the back surface of the vertical frame front plate portion 11, the projecting portion 24a is engaged with the vertical frame folding portion 12 in the height direction of the hall entrance 1 and the upper frame folding portion 22 is vertical in the front direction of the hall entrance 1 Since it is attached to the vertical frame 5 while being engaged with the frame folding portion 12, the upper frame 6 can be easily positioned with respect to the vertical frame 5 in each of the height direction, the frontage direction, and the depth direction of the landing entrance 1 It can be carried out. Therefore, the position of the upper frame 6 with respect to the vertical frame 5 can be easily adjusted, and the three-way frame 4 can be easily manufactured. Moreover, since the accuracy of the position of the upper frame 6 with respect to the vertical frame 5 is also improved, the upper frame 6 is less likely to be displaced with respect to the vertical frame 5, and the design of the three-way frame 4 can be improved.

  In addition, the frame fixing device 7 includes a fixing bracket 30 that can adjust the position with respect to the upper frame 6 in the opening direction of the landing doorway 1 and can adjust the position with respect to the vertical frame 5 in the depth direction of the landing doorway 1. Therefore, when the upper frame 6 and the vertical frame 5 are combined, even if there is a dimensional error in the vertical frame 5 and the upper frame 6, the position of the fixing bracket 30 with respect to each of the vertical frame 5 and the upper frame 6. The upper frame 6 can be easily fixed to the vertical frame 5.

  Further, the notch 35 is provided in the vertical frame reinforcing back plate part 14, and the reinforcing plate 36 partially inserted into the notch 35 is attached to the back surface of the vertical frame front plate part 11. Further reinforcement of 5 can be performed. Thereby, when a cart etc. collide with the vertical frame folding | returning part 12, for example, a deformation | transformation (for example, bending, a twist, etc.) of the vertical frame main body 9 can be suppressed. Further, by providing the notch portion 35 in the vertical frame reinforcing back plate portion 14, the exposed range of the back surface of the vertical frame front plate portion 11 is widened, so that the reinforcing plate 36 can be easily attached to the back surface of the vertical frame front plate portion 11. The vertical frame 5 can be easily reinforced.

  Further, since the sill fixing device 8 fixes the vertical frame reinforcing member 10 to the sill 3, it is possible to avoid the vertical frame body 9 being directly fixed to the sill 3 by the sill fixing device 8. Thereby, when the vertical frame 5 receives external force, a deformation | transformation of the vertical frame main body 9 can be suppressed.

  Further, the protruding amount of the vertical frame turn-back portion 12 from the back surface of the vertical frame front plate portion 11 and the protruding amount of the upper frame turn-back portion 22 from the back surface of the upper frame front plate portion 21 are the vertical frame reinforcing back plate portion 14. The upper frame reinforcing back plate portion 14 and the upper frame reinforcing back plate portion 24 have the vertical frame folded portion 12 and the upper frame folded portion 22, respectively. It can prevent that it protrudes to the back side rather than. Therefore, when the three-sided frame 4 is installed by bringing the vertical frame folded portion 12 and the upper frame folded portion 22 into contact with the building wall 2, the vertical frame reinforcing back plate portion 14 and the upper frame reinforcing back plate portion 24 are provided with the building wall 2. It is possible to prevent the three-way frame 4 from being unable to be installed when hitting. Further, since it is not necessary to cut the building wall 2 so that the vertical frame reinforcing back plate part 14 and the upper frame reinforcing back plate part 24 do not hit the building wall 2, the installation work of the three-sided frame 4 is further facilitated. Can be.

  Further, the vertical frame reinforcing member 10 is fixed to the vertical frame main body 9 in a state where the vertical frame reinforcing back plate portion 14 is overlapped with the vertical frame front plate portion 11, and the upper frame reinforcing back plate portion 24 is set to the upper frame front plate. Since the upper frame reinforcing member 20 is fixed to the upper frame main body 19 in a state of being overlapped with the portion 21, it is possible to eliminate the conventional structure in which the edge of the reinforcing member is inserted into the groove of the design member. Therefore, the vertical frame reinforcing member 10 can be more reliably bonded to the vertical frame main body 9 by the adhesive, and the upper frame reinforcing member 20 can be more reliably bonded to the upper frame main body 19 by the adhesive.

  That is, in the conventional structure, even if an adhesive is applied to the edge of the reinforcing member and inserted into the groove of the design member, the adhesive is scraped off from the reinforcing member at the slot of the design member, and the design member However, in this embodiment, since the structure for inserting the reinforcing member into the groove of the design member can be eliminated, the vertical frame main body 9 and the upper frame main body 19 can be connected to each other. The vertical frame reinforcing member 10 and the upper frame reinforcing member 20 can be bonded to each other more reliably with an adhesive.

  In the above example, each sill side bolt through hole and each vertical frame side bolt through hole provided in the fixing bracket 39 of the sill fixing device 8 are round holes. It is good also as a long hole along the direction perpendicular | vertical with respect to the vertical frame side fixing | fixed part 39b, and it is good also as a long hole along the direction perpendicular | vertical with respect to the sill side fixing | fixed part 39a. In this way, the position of the fixing bracket 39 with respect to the sill 3 can be adjusted in the opening direction of the landing entrance 1 and the position of the fixing bracket 39 with respect to the vertical frame 5 can be adjusted in the depth direction of the landing entrance 1. Can be.

Further, in the above example, the upper frame reinforcing back plate portion 24 has a protruding portion 24 a that protrudes toward the entrance / exit 1 from the upper frame front plate portion 21. The protruding portion 24a comes into contact with the back surface of the vertical frame front plate portion 11, but the vertical frame reinforcing back plate portion 14 has a protruding portion protruding upward from the vertical frame front plate portion 11, You may make it the back surface of the upper frame surface board part 21 contact the protrusion part of the back board part 14 for vertical frame reinforcement. In this case, the upper frame reinforcing back plate portion 24 is overlapped while avoiding a predetermined area located below the upper frame front plate portion 21 in the back surface of the upper frame front plate portion 21. Further, a predetermined region on the back surface of the upper frame front plate portion 21 is in contact with the protruding portion of the vertical frame reinforcing back plate portion 14. Further, in the upper frame 6, the back surface of the upper frame front plate portion 21 is in contact with the protruding portion of the vertical frame reinforcing back plate portion 14, and the upper frame folded portion 22 is arranged in the height direction of the landing doorway 1. And the upper frame folded portion 22 is attached to the vertical frame 5 in a state where the upper frame folded portion 22 is engaged with the protruding portion of the vertical frame reinforcing back plate portion 14 in the opening direction of the landing entrance 1.
That is, the vertical frame main body 9 and the vertical frame reinforcing back plate portion 14, and the upper frame main body 19 and the upper frame reinforcing back plate portion 24 may be replaced between the vertical frame 5 and the upper frame 6. .
Even in this way, it is possible to easily position the upper frame 6 with respect to the vertical frame 5 in each of the height direction, the frontage direction, and the depth direction of the hall entrance 1. Therefore, the three-way frame 4 can be easily manufactured. Moreover, since the accuracy of the position of the upper frame 6 with respect to the vertical frame 5 is also improved, the design of the three-way frame 4 can be improved.

  Further, in the above example, the vertical frame reinforcing member 10 is fixed to the vertical frame main body 9 with the adhesive and the rivets 17. However, the vertical frame reinforcing member 10 may be fixed to the vertical frame main body 9 only with the rivets 17. . Further, the vertical frame reinforcing member 10 may be fixed to the vertical frame main body 9 by welding.

  In the above example, the upper frame reinforcing member 20 is fixed to the vertical frame body 9 with the adhesive and the rivets 27. However, the vertical frame reinforcing member 10 may be fixed to the vertical frame body 9 only with the rivets 27. . Further, the vertical frame reinforcing member 10 may be fixed to the vertical frame main body 9 by welding.

  1 landing doorway (elevator doorway), 4 three-sided frame, 5 vertical frame, 6 upper frame, 7 frame fixing device, 8 sill fixing device, 9 vertical frame body, 10 vertical frame reinforcing member, 11 vertical frame surface plate, 12 Vertical frame folding part (vertical frame locking part), 14 Vertical frame reinforcing back plate part, 19 Upper frame body, 20 Upper frame reinforcing member, 21 Upper frame front plate part, 22 Upper frame folding part (upper frame locking part) Part), 24 Back plate part for upper frame reinforcement, 24a Projection part, 30 Fixing bracket, 35 Notch part, 36 Reinforcement plate.

Claims (6)

A vertical frame main body including a vertical frame front plate portion and a vertical frame locking portion provided on the back surface of the vertical frame front plate portion, and provided on the back surface of the vertical frame front plate portion avoiding the vertical frame locking portion. A vertical frame reinforcing member including a vertical frame reinforcing back plate portion, provided on the side of the elevator doorway, and on the upper frame front plate portion and the back surface of the upper frame front plate portion. An upper frame main body including an upper frame engaging portion, and an upper frame reinforcing member including an upper frame reinforcing back plate provided on the back surface of the upper frame front plate portion avoiding the upper frame engaging portion. And an upper frame that is disposed at an upper part of the elevator entrance and that is attached to an upper end portion of the vertical frame,
The upper frame reinforcing back plate portion has a protruding portion that protrudes outward in the frontage direction of the elevator doorway from the upper frame front plate portion,
In the upper frame, the protruding portion contacts the back surface of the vertical frame front plate portion, the protruding portion engages with the vertical frame locking portion in the height direction of the elevator doorway, and the entrance direction of the elevator doorway A three-way frame of an elevator, wherein the upper frame locking portion is attached to the vertical frame in a state where the upper frame locking portion is engaged with the vertical frame locking portion. A vertical frame main body including a vertical frame front plate portion and a vertical frame locking portion provided on the back surface of the vertical frame front plate portion, and provided on the back surface of the vertical frame front plate portion avoiding the vertical frame locking portion. A vertical frame reinforcing member including a vertical frame reinforcing back plate portion, provided on the side of the elevator doorway, and on the upper frame front plate portion and the back surface of the upper frame front plate portion. An upper frame main body including an upper frame engaging portion, and an upper frame reinforcing member including an upper frame reinforcing back plate provided on the back surface of the upper frame front plate portion avoiding the upper frame engaging portion. And an upper frame that is disposed at an upper part of the elevator entrance and that is attached to an upper end portion of the vertical frame,
The vertical frame reinforcing back plate part has a protruding part protruding upward from the vertical frame front plate part ,
In the upper frame, the back surface of the upper frame front plate portion is in contact with the protruding portion, the upper frame locking portion engages with the vertical frame locking portion in the height direction of the elevator doorway, and the elevator doorway A three-way frame for an elevator, which is attached to the vertical frame in a state where the upper frame engaging portion is engaged with the protruding portion in the frontage direction.   A fixing bracket that can adjust the position relative to the upper frame in the entrance direction of the elevator doorway and that can adjust the position relative to the vertical frame in the depth direction of the elevator doorway; and the fixing bracket is connected to the vertical frame and the upper frame The three-way frame for an elevator according to claim 1 or 2, further comprising a frame fixing device for fixing the position of the upper frame with respect to the vertical frame by fixing to the frame. The vertical frame reinforcing member is provided with a notch,
The three-sided frame for an elevator according to claim 1 or 2, further comprising a reinforcing plate attached to the back surface of the vertical frame front plate portion and partially inserted into the cutout portion.   The three-way frame for an elevator according to claim 1 or 2, further comprising a sill fixing device for fixing the vertical frame reinforcing member to a sill provided at a lower portion of the elevator doorway. The vertical frame locking portion is disposed along the vertical frame front plate portion at a position closer to the elevator doorway than the vertical frame reinforcing back plate portion,
The upper frame locking portion is disposed along the upper frame front plate portion at a position closer to the elevator doorway than the upper frame reinforcing back plate portion,
The amount of protrusion of the vertical frame engaging portion from the back surface of the vertical frame front plate portion and the amount of protrusion of the upper frame engaging portion from the back surface of the upper frame front plate portion are the vertical frame reinforcing back plate portion. The three-way frame for an elevator according to claim 1 or 2, wherein the three-side frame of the elevator according to claim 1 or 2, wherein the thickness is larger than each thickness of the upper frame reinforcing back plate.

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