CN213265298U - Integrally bent elevator door and elevator door system - Google Patents

Abstract

The application provides an integrally bent elevator door, which comprises a door panel, wherein a door slider and an anti-drop hook which are matched with a sill are fixed at the bottom of the door panel, the door panel is integrally processed by adopting plates and comprises a rectangular main body panel and reinforcing folding edges which are positioned at the periphery of the main body panel, the reinforcing folding edges are respectively bent for two times by 90 degrees to form flat folding parts which are parallel to the main body panel, each flat folding part is positioned at the back of the main body panel and extends towards the center of the main body panel, each flat folding part is an intersection area at a vertex angle position adjacent to the main body panel, and the intersection areas of two adjacent flat folding parts are mutually superposed and connected through a fastener; at least two stress release ports are formed in the edge part of each flat folding part, and a folding part which is further bent and extended from the edge part is arranged between every two adjacent stress release ports; the door sliding block and the anti-drop hook are respectively and fixedly connected to the flat folding part positioned at the bottom side of the main body panel. The application provides an elevator door and elevator door system of whole bent type, processing is simple and convenient, and intensity is high.

Description

Integrally bent elevator door and elevator door system

Technical Field

The application relates to the technical field of elevators, in particular to an elevator door and an elevator door system which are integrally bent.

Background

A common elevator door panel is shown in fig. 1, and comprises a door panel main body 101, and an upper seal head 102 and a lower seal head 103 which are respectively installed at the upper end and the lower end of the door panel main body 101, wherein the upper seal head 102 and the lower seal head 103 are connected in a welding manner when the door panel main body 101 is coated with a steel plate; when the door panel main body 101 is made of stainless steel, the upper end enclosure 102 and the lower end enclosure 103 are connected in a bonding mode of double-sided adhesive tape or glue. When the upper end enclosure 102 and the lower end enclosure 103 are connected in a welding mode, welding processes are increased, the workload is large, and if welding is not firm, welding is easy to fall off due to stress, so that the end enclosures fall off; when the upper end enclosure 102 and the lower end enclosure 103 are connected by double-sided adhesive tape or glue, the upper end enclosure and the lower end enclosure are easy to fall off after a long time, and the hidden trouble of uneven gluing exists, so that the falling risk exists. When the head falls off, passengers can fall down the shaft along with the door panel to cause casualty accidents.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, this application provides an elevator door of whole bending type, and processing is simple and convenient, and intensity is high.

The application provides an elevator door of whole bending type, including the door plant, the bottom of door plant is fixed with and is colluded with sill matched with door slider and anticreep, the door plant adopts panel integrated into one piece and includes the main part panel of rectangle and is in the enhancement hem around the main part panel, the main part panel has relative front and back, each strengthens the hem and forms the parallel flat folding portion with the main part panel after bending twice 90 degrees respectively, each flat folding portion is in the back of main part panel and extends towards the center of main part panel, each flat folding portion is in the apex angle position of neighbouring main part panel as the intersection region, the intersection region of two adjacent flat folding portions superposes each other and links to each other through the fastener;

at least two stress release ports are formed in the edge part of each flat folding part, which faces to one side of the center of the main body panel, and a back folding part which is further bent and extended from the edge part is arranged between every two adjacent stress release ports;

the door sliding block and the anti-drop hook are respectively and fixedly connected to the flat folding part positioned at the bottom side of the main body panel.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, in the reinforced edge fold at the bottom side of the main body panel, the folded back portion is attached to the flat folded portion side by side, and the folded back portion is located at one side of the flat folded portion facing the main body panel; the folded part is vertical to the flat folded part in the rest reinforced folded edges, and the folded part extends from the edge of the flat folded part to one side of the main body panel.

Optionally, in the reinforcing hem of main part panel bottom side, the inflection portion is leaned on side by side with the flat portion of turning over and is formed double-deck portion, door slider and anticreep hook are fixed connection respectively to double-deck portion as accessory part, and the connected mode of each accessory part is:

in the reinforced folding edge at the bottom side of the main body panel, an avoiding window is arranged at the position of the bottom surface of the door panel, and the accessory part penetrates through the avoiding window and is attached and fixed to one side of the double-layer part facing the main body panel; or

The auxiliary component extends from the bottom surface of the door panel to one side of the double-layer part back to the main body panel and is bent upwards to be attached to the double-layer part.

Optionally, a reinforcing rib is fixed to the back of the main body panel, the reinforcing rib extends along the height direction of the door panel, connecting pieces are respectively arranged at two ends of the reinforcing rib, and each connecting piece is welded on the flat folding portion of the corresponding side reinforcing folding edge in a flat lap joint mode.

Optionally, the cross section of the reinforcing rib includes:

a U-shaped portion opened toward a rear surface of the body panel;

and the leaning parts are formed by turning the two sides of the opening of the U-shaped part back to back, and each leaning part is leaned against the back surface of the main body panel and is fixed by welding flux and/or bonding.

Optionally, one of the abutting parts is provided with an operation opening at a position adjacent to the top side or the bottom side of the main body panel.

Optionally, each flat folding portion is provided with two stress release ports respectively, and the stress release ports are respectively adjacent to the intersection area of each end of the corresponding flat folding portion.

The application also provides an elevator door system, which comprises a sill, a sill bracket fixed on the sill, and an elevator door sliding along the sill, wherein the elevator door adopts the integrally bent elevator door;

the sill comprises a base and an upper shell which are mutually buckled, the local part of the upper shell sinks to form a guide groove, and a door sliding block on the elevator door is placed into the guide groove and is in sliding fit with the guide groove;

the side wall of the guide groove is provided with a clamping tongue, and the anti-falling hook on the elevator door is placed in the guide groove and is in limit fit with the clamping tongue.

Optionally, the sinking portion of the upper shell abuts against the bottom wall of the base.

Optionally, one side of the latch is connected with the top surface of the upper shell, the top surface of the latch is approximately flush, and the other side of the latch is bent towards the bottom of the guide groove.

Optionally, the sill support is detachably fixed to the base, the sill support is an L-shaped plate, two arms of the L-shaped sill support are respectively a long arm and a short arm, strip-shaped mounting holes are formed in the long arm and the short arm, and a bent portion of the L-shaped sill support is provided with a reinforcing rib which is recessed towards the inner side of the bent portion.

The application provides an elevator door and elevator door system of whole bent type, processing is simple and convenient, and intensity is high.

Drawings

Fig. 1 is a schematic structural view of an elevator door in the prior art;

fig. 2 is a schematic structural view of an embodiment of the integrally bent elevator door of the present application;

fig. 3 is a schematic structural view of a contact portion between the integrally bent elevator door and the sill according to the present application;

FIG. 4 is an enlarged view of area A of FIG. 2;

fig. 5 is a schematic structural view of the bottom of the integrally bent elevator door according to the present application;

fig. 6 is a schematic structural view of a door slider in an embodiment of the integrally bent elevator door of the present application;

fig. 7 is a schematic structural view of a slider bracket in an embodiment of the integrally bent elevator door of the present application;

fig. 8 is a schematic structural view of an anti-trip mechanism in an embodiment of the integrally bent elevator door of the present application;

fig. 9 is a schematic structural view of a reinforcing rib in an embodiment of the integrally bent elevator door of the present application;

fig. 10 is a cross-sectional view of a reinforcing rib in an embodiment of the integrally bent elevator door of the present application;

fig. 11 is a schematic structural view of a sill in an embodiment of the integrally bent elevator door system of the present application;

fig. 12 is a partial view of the sill of fig. 11 at a viewing angle;

fig. 13 is a partial view of the sill of fig. 11 at another viewing angle;

fig. 14 is a schematic structural view of a sill support in an embodiment of the integrally bent elevator door system of the present application.

The reference numerals in the figures are illustrated as follows:

1. a sill; 11. a base; 12. an upper shell; 13. a guide groove; 14. a latch; 15. welding a nut; 16. fastening screws; 17. a bracket mounting groove; 171. a swelling part; 18. a small door pocket mounting hole; 101. a door panel main body; 102. an upper end enclosure; 103. a lower end enclosure; 2. a door slider; 21. a slider bracket; 22. a depending wall; 23. a horizontal wall; 24. an upper depending wall; 3. the hook is prevented from falling off; 31. an upper mounting portion; 32. a horizontal portion; 33. a hook portion; 34. a notch; 4. a main body panel; 5. reinforcing and folding edges; 51. a flat folding part; 52. a stress relief port; 53. a folded-back portion; 54. avoiding the window; 55. a tooling hole; 56. hanging plate holes; 57. a guide rope hole; 6. a fastener; 7. reinforcing ribs; 71. connecting sheets; 72. a U-shaped portion; 73. an attachment portion; 74. an operation port; 8. a sill support; 81. a long arm; 82. a short arm; 83. reinforcing and ribbing; 84. a long mounting hole; 85. a short mounting hole; 86. and reinforcing the flanging.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 2, 3 and 4, in an embodiment, the integrally bent elevator door includes a door plate, a door slider 2 and an anti-drop hook 3 are fixed at the bottom of the door plate, the door plate is integrally formed by a plate material and includes a rectangular main panel 4 and a reinforcing flange 5 around the main panel 4. The main body panel 4 has opposite front and back surfaces, each reinforcing folded edge 5 is bent twice by 90 degrees to form a flat folded portion 51 parallel to the main body panel 4, each flat folded portion 51 is located on the back surface of the main body panel 4 and extends towards the center of the main body panel 4, each flat folded portion 51 is an intersection area at a vertex angle position adjacent to the main body panel 4, and the intersection areas of two adjacent flat folded portions 51 are mutually superposed and connected through a fastening piece 6.

At least two stress release openings 52 are opened at the edge part of each flat folding part 51 facing the center side of the main body panel 4, and a folding part 53 further bent and extended from the edge part is provided between two adjacent stress release openings 52. The door slider 2 and the anti-drop hook 3 are respectively fixedly connected to the flat folding portion 51 at the bottom side of the main body panel 4.

The existing end socket and the main body panel 4 are of split structures and need to be connected through fasteners or adhesives, so that the falling risk is caused. This embodiment is bent with the upper and lower marginal part of main part panel 4 and is formed strengthening hem 5, replaces the head of separating separately, and door slider 2 and anticreep collude 3 and are directly connected with main part panel 4's hem, and joint strength is showing and is improving, is difficult for droing. The step of installing the end socket is omitted in the product assembling process, and the processing process is simpler and more convenient.

In the embodiment, the flat folding parts 51 are further locked with each other at four corners of the door panel through the fasteners 6 and connected into a ring structure, so that the independent flat folding parts 51 are prevented from springing back after being bent. When the flat folded portion 51 on either side is deformed concavely toward the main body panel 4, it is necessary to overcome the deformation resistance of the remaining flat folded portions 51 at the same time. Because each reinforcing folding edge 5 is integrally connected with the main body panel 4, the annular structure enclosed by each reinforcing folding edge 5 is not easy to be distorted and deformed along the extending direction of the main body panel 4. By providing the stress relief opening 52, when the edge of the flat folded portion 51 is folded to form the folded back portion 53, the deformation of the flat folded portion 51 can be reduced, and the flatness of the back surface of the body panel 4 can be ensured.

Specifically, in one embodiment, as shown in fig. 4, the fastening member 6 is a self-tapping screw, and when assembling, only a force needs to be applied to one side of the back surface of the flat folding portion 51 to lock each reinforcing flange 5, which is convenient to operate. To further ensure the flatness of the flat folded portion 51, the position of the fold line between the folded back portion 53 and the flat folded portion 51 is not lower than the bottom of the stress relief opening 52 in the depth direction of the stress relief opening 52. The elevator door can be a car door or a landing door, and the reinforced folding edge 5 at the top of the elevator door is provided with a tooling hole 55, a hanging plate hole 56 and a guide rope hole 57.

As shown in fig. 3 and 4, in one embodiment, in the reinforcing flange 5 at the bottom side of the main body panel 4, the folded back portion 53 abuts against the flat folded portion 51 side by side, and the folded back portion 53 is located at the side of the flat folded portion 51 facing the main body panel 4; the folded-back portion 53 is perpendicular to the flat folded portion 51 in the remaining reinforcing flange 5, and the folded-back portion 53 extends from the edge of the flat folded portion 51 toward the side of the body panel 4.

The enhancement hem 5 that is located the horizontal both sides of main part panel 4 does not have other connection structure, sets up the inflection portion 53 of horizontal both sides and extends towards main part panel 4, and when the door plant warp along thickness direction, inflection portion 53 will offset spacingly with main part panel 4, plays the effect of back strengthening rib.

The enhancement hem 5 that is located the bottom side of main body panel 4 need hold the effect as traditional head and connect door slider 2 and anticreep and collude 3, and the mode that leans on through inflection portion 53 and flat portion 51 is equivalent to having increased the thickness of flat portion 51, makes flat portion 51 be difficult to take place distortion, is favorable to keeping the cooperation precision of door slider 2 and sill 1.

As shown in fig. 3 and 5, in an embodiment, in the reinforcing flange 5 on the bottom side of the main body panel 4, the folded portion 53 abuts against the flat folded portion 51 side by side to form a double-layer portion, and the door slider 2 and the anti-drop hook 3 are respectively fixedly connected to the double-layer portion as accessory components, and the accessory components are connected in a manner that:

in the first connection mode, an escape window 54 is provided at a portion of the reinforcing flange 5 on the bottom side of the main body panel 4, which is located on the bottom surface of the door panel, and the accessory member is inserted through the escape window 54 and is attached and fixed to the side of the double-layer portion facing the main body panel. Specifically, in an embodiment, as shown in fig. 3, 6, and 7, a slider bracket 21 is connected to the top of the door slider 2, the slider bracket 21 extends upward from the top of the door slider 2 to form a hanging wall 22 penetrating through the bypass window 54, the hanging wall 22 extends horizontally toward the folded portion 51 through the top of the bypass window 54 to form a horizontal wall 23, and the horizontal wall 23 extends upward near the double-layer portion to form an upper hanging wall 24 attached to the double-layer portion. The door slider 2 is made of plastic and extends along the length direction of the sill 1, and along the length direction, the middle part of the door slider 2 is wide (the width direction is consistent with the thickness direction of the main body panel 4) and the two ends are narrow. The top of the door slider 2 is provided with a slot matched with the drooping wall 22, and the drooping wall 22 is provided with a mounting hole for fixing with the door slider 2. The upper depending wall 24 is provided with mounting holes for fixing with the double-layered portion.

In the second connection mode, the auxiliary component extends from the bottom surface of the door panel to the side of the double-layer part facing away from the main body panel 4, and bends upwards to be attached to the double-layer part. Specifically, in an embodiment, as shown in fig. 3 and 8, the anti-drop hook 3 has an upper mounting portion 31 attached to the back surface of the double-layer portion and extending downward, the upper mounting portion 31 has a mounting hole for fixing to the double-layer portion, the bottom of the upper mounting portion 31 extends horizontally after passing around the corner portion of the reinforcing flange 5 to form a horizontal portion 32 attached to the bottom surface of the reinforcing flange 5, and the horizontal portion 32 extends downward at the middle portion near the thickness direction of the elevator door to form a hook portion 33 entering the inside of the sill 1.

In order to further increase the strength of the elevator door to adapt to a larger door width, in an embodiment, as shown in fig. 2, a reinforcing rib 7 is fixed on the back surface of the main body panel 4, the reinforcing rib 7 extends along the height direction of the door panel, two ends of the reinforcing rib 7 are respectively provided with a connecting piece 71, and each connecting piece 71 is welded on the flat folding part 51 of the corresponding side reinforcing folding edge 5 in a flat lap joint mode. In one embodiment, the reinforcing rib 7 is located in the middle of the main body panel 4 in the length direction of the sill 1, and the horizontal position of the anti-drop hook 3 corresponds to the reinforcing rib 7. As shown in fig. 8, the upper mounting portion 31 is provided with a notch 34 that avoids the connecting piece 71.

Specifically, in one embodiment, as shown in fig. 9 and 10, the cross section of the reinforcing bar 7 includes a U-shaped portion 72 and an abutting portion 73. The U-shaped portion 72 opens toward the back surface of the body panel 4. The abutments 73 are formed by the two sides of the U-shaped opening turned back on the other side, and each abutment 73 abuts against the rear side of the body panel 4 and is fixed by soldering and/or gluing.

To facilitate the installation of the reinforcing bar 7, in one embodiment, as shown in fig. 2 and 9, an abutting portion 73 is provided with an operation opening 74 at a portion adjacent to the top side or the bottom side of the body panel 4. The operation opening 74 enables a gap to be reserved between the top end and/or the bottom end of the reinforcing rib 7 and the reinforcing flange 5 on the corresponding side, space is provided for a welding head or a bonding tool to extend into the reinforcing rib, and the influence on the overall strength of the elevator door is small.

As shown in fig. 1 and 3, the present application further provides an elevator door system, in an embodiment, the elevator door system includes a sill 1, a sill bracket 8 fixed to the sill 1, and an elevator door sliding along the sill 1, wherein the elevator door is an integrally bent elevator door in the above embodiments.

The sill 1 comprises a base 11 and an upper shell 12 which are buckled with each other, the upper shell 12 can be made of aluminum, part of the upper shell 12 sinks to form a guide groove 13, and a door sliding block 2 on the elevator door is placed into the guide groove 13 and is in sliding fit with the guide groove 13. The lateral wall of the guide groove 13 is provided with a clamping tongue 14, and the anti-falling hook 3 on the elevator door is arranged in the guide groove 13 and is in limit fit with the clamping tongue 14 to prevent the anti-falling hook 3 from being upwards pulled out of the guide groove 13.

In order to prevent the sinking portion from being displaced and deformed in the thickness direction of the body panel 4, the sinking portion of the upper case 12 abuts against the bottom wall of the base 11. Specifically, the top surface of the sill support 8 is a horizontal plane, the bottom wall of the base 11 is attached to and fixed to the top surface of the sill support 8, and the sinking portion of the upper case 12 is attached to and fixed to the top surface of the bottom wall of the base 11. Specifically, as shown in fig. 3 and 10, in one embodiment, one side of the latch 14 is connected to the top surface of the upper shell 12 and the top surface is substantially flush, and the other side is bent toward the bottom of the guide groove 13.

As shown in fig. 12, 13, and 14, in an embodiment, the sill support 8 is detachably fixed to the base 11, the sill support 8 is an L-shaped plate, two arms of the L-shape are a long arm 81 and a short arm 82, strip-shaped mounting holes (a long mounting hole 84 and a short mounting hole 85, respectively) are formed in both the long arm 81 and the short arm 82, and a reinforcing rib 83 recessed inward of the bend is provided at a bent portion of the L-shape.

In one embodiment, as shown in fig. 11, the bottom wall of the base 11 is provided with a weld nut 15 and a fastening screw 16. The welded nut 15 and the fastening screw 16 can be connected to the sill bracket 8, and when the short mounting hole 85 of the sill bracket 8 is connected to the fastening screw 16, the space of the hall door of the sill 1 is small. When the short installation hole 85 is coupled with the weld nut 15 by means of a bolt, the hall door space of the doorsill 1 can be relatively more adjusted. When the short mounting hole 85 and the long mounting hole 84 are interchanged, the adjustable hoistway door space of the sill 1 can be adjusted to be larger, and the adjustable hoistway door space is suitable for more irregular elevator hoistways. The opposite sides of the long arm 81 and the short arm 82 are provided with reinforcing flanges 86. The integrative stamping forming of sill support 8 can be used to batch production, and intensity is high, and is with low costs, and it is convenient to install.

A toe guard is generally required to be installed on the front side of the sill 1, the cross section of the base 11 is in a U shape with an upward opening, a bracket installation groove 17 is formed in one side wall of the U shape, an expansion part 171 is arranged at one end of the bracket installation groove 17, a bolt head plug is placed into the bracket installation groove 17 from the expansion part 171 at one end when the bracket is installed, then the bolt head plug is moved to the other end, the bolt does not need to be screwed, and the labor hour and space requirements of installation and adjustment are reduced. The back side of the sill 1 is provided with a small door pocket mounting hole 18.

The utility model provides an elevator door and lift-cabin door system considers the part of bending on the four sides of make full use of door plant when the design, with the functional design of the upper and lower head of former door plant bend the board both sides from top to bottom, eliminated the risk that the common door product head in market drops and brings to the design is special to the door slider of this kind of door plant. The door panel is formed by a plurality of parts, and the door panel can be manufactured by one-step forming after the design. Moreover, the existence of each folded edge of the door panel improves the integral rigidity of the door panel and increases the strength of the door panel.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. The integrally bent elevator door comprises a door panel, wherein the bottom of the door panel is fixedly provided with a door slider and an anti-falling hook which are matched with a sill, and the door panel is integrally processed by adopting a plate material and comprises a rectangular main body panel and reinforcing folded edges which are positioned on the periphery of the main body panel, the main body panel is provided with a front surface and a back surface which are opposite, the reinforcing folded edges are bent twice by 90 degrees respectively to form flat folded parts which are parallel to the main body panel, each flat folded part is positioned on the back surface of the main body panel and extends towards the center of the main body panel, each flat folded part is an intersection area at a top corner position adjacent to the main body panel, and the intersection areas of two adjacent flat folded parts are mutually superposed and connected through a fastener;

at least two stress release ports are formed in the edge part of each flat folding part, which faces to one side of the center of the main body panel, and a back folding part which is further bent and extended from the edge part is arranged between every two adjacent stress release ports;

the door sliding block and the anti-drop hook are respectively and fixedly connected to the flat folding part positioned at the bottom side of the main body panel.

2. The integrally bent elevator door according to claim 1, wherein the folded-back portion is attached to the flat folded portion side by side in the reinforced folded edge at the bottom side of the main body panel, and the folded-back portion is located at a side of the flat folded portion facing the main body panel; the folded part is vertical to the flat folded part in the rest reinforced folded edges, and the folded part extends from the edge of the flat folded part to one side of the main body panel.

3. The integrally bending elevator door according to claim 1, wherein the folded portion and the folded portion are attached side by side to form a double portion in the reinforced folded portion at the bottom side of the main body panel, the door slider and the anti-drop hook are used as auxiliary components and are respectively and fixedly connected to the double portion, and the connection manner of each auxiliary component is as follows:

in the reinforced folding edge at the bottom side of the main body panel, an avoiding window is arranged at the position of the bottom surface of the door panel, and the accessory part penetrates through the avoiding window and is attached and fixed to one side of the double-layer part facing the main body panel; or

The auxiliary component extends from the bottom surface of the door panel to one side of the double-layer part back to the main body panel and is bent upwards to be attached to the double-layer part.

4. The integrally bending elevator door according to claim 1, wherein a reinforcing rib is fixed to a back surface of the main body panel, the reinforcing rib extends along a height direction of the door panel, two ends of the reinforcing rib are respectively provided with a connecting piece, and each connecting piece is welded on a flat folding portion of the corresponding side reinforcing folding edge in a flat lap joint manner.

5. The integrally bent elevator door according to claim 4, wherein said reinforcing rib has a cross section comprising:

a U-shaped portion opened toward a rear surface of the body panel;

and the leaning parts are formed by turning the two sides of the opening of the U-shaped part back to back, and each leaning part is leaned against the back surface of the main body panel and is fixed by welding flux and/or bonding.

6. The integrally bent elevator door according to claim 5, wherein one of said abutting portions has an operating opening at a portion adjacent to a top side or a bottom side of said body panel.

7. An elevator door system, comprising a sill, a sill bracket fixed on the sill, and an elevator door sliding along the sill, wherein the elevator door is an integrally bent elevator door as claimed in any one of claims 1 to 6;

the sill comprises a base and an upper shell which are mutually buckled, the local part of the upper shell sinks to form a guide groove, and a door sliding block on the elevator door is placed into the guide groove and is in sliding fit with the guide groove;

the side wall of the guide groove is provided with a clamping tongue, and the anti-falling hook on the elevator door is placed in the guide groove and is in limit fit with the clamping tongue.

8. The elevator door system of claim 7, wherein the sunken section of the upper shell abuts the bottom wall of the base.

9. The elevator door system according to claim 7, wherein the latch has one side connected to the top surface of the upper case and the top surface is substantially flush, and the other side bent toward the bottom of the guide groove.

10. The elevator door system according to claim 7, wherein the sill support is detachably fixed to the base, the sill support is an L-shaped plate, two arms of the L-shape are respectively a long arm and a short arm, strip-shaped mounting holes are formed in the long arm and the short arm, and a reinforcing rib recessed inward in a bent portion of the L-shape is provided.

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