Elevator landing door structure

Abstract

The elevator landing door structure is characterized in that an upper sealing head is arranged at the top of a landing door plate, and a strip-shaped groove extending in the width direction of the landing door plate is formed in the top face of the upper sealing head; the clamping type nut is contained in the strip-shaped groove and arranged in a sliding mode in the width direction of the landing door plate. The clamping type nut comprises a seat body and a nut main body arranged on the seat body; a threaded hole is formed in the nut main body; sliding grooves are formed in the two opposite sides of the base body. The seat body is clamped on the edges of the two sides of the strip-shaped groove through the sliding grooves; the lower sealing head is arranged at the bottom of the landing door plate, and a kidney-shaped hole extending in the thickness direction of the landing door plate is formed in the lower sealing head; and the door guide shoe is locked on the lower sealing head through a bolt assembly inserted into the waist-shaped hole. By adjusting the position of the clamping type nut and the position of the door guide shoe, connection requirements of landing door devices and sill grooves of different types of elevators can be met, the transformation period of the landing door of the elevator is short, time and labor are saved, the transformation requirements of the landing door of the elevator are effectively met, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of elevators, in particular to an elevator landing door structure. Background Art

[0002] As a key livelihood project developed by the state, the renovation of old urban communities has been in the process of development and exploration. In the "Guiding Opinions on Comprehensively Promoting the Renovation of Old Urban Communities" issued by the General Office of the State Council, it is clearly stated that by the end of the "14th Five-Year Plan", combined with the actual situation of each region, it is planned to basically complete the renovation tasks of urban old communities built before the end of 2000. In a lifting elevator, the landing door device is connected to the upper part of the landing door panel by bolts. In different types of elevators, the connection positions of the above bolts in the width direction of the landing door are different. Also, in a lifting elevator, the lower door guide shoes of the landing door panel are connected and matched with the sill. In different types of elevators, the front and rear positions of the sill groove relative to the landing door panel are different, and the positions of the corresponding door guide shoes are different. During the on-site renovation of the elevator landing door, for different types of elevators, the landing door panel needs to be measured on-site and customized non-standard to meet the connection requirements of the landing door device and the sill groove, resulting in a long renovation time, time-consuming and laborious, and it is difficult to meet the renovation requirements of the elevator landing door. Summary of the Utility Model

[0003] Aiming at the above existing technical problems, the purpose of the utility model is to propose an elevator landing door structure, by adjusting the position of the clamp nut and the position of the door guide shoes, so as to be able to adapt to the connection requirements of the landing door devices and sill grooves of different types of elevators. The renovation cycle of the elevator landing door is short, time-saving and labor-saving, effectively meeting the renovation requirements of the elevator landing door, and having strong practicability.

[0004] The technical solution of the utility model is realized as follows: an elevator landing door structure, including a landing door panel, an upper head, a lower head, a clamp nut, a door guide shoe, and a bolt assembly;

[0005] The upper head is arranged at the top of the landing door panel, and a strip-shaped groove extending along the width direction of the landing door panel is provided on the top surface of the upper head;

[0006] A number of the clamp nuts are accommodated in the strip-shaped groove and are slidably arranged along the width direction of the landing door panel; the clamp nut includes a seat body and a nut body arranged on the seat body; a threaded hole is provided on the nut body; sliding grooves are provided on the opposite sides of the seat body; the seat body is clamped on the two side edges of the strip-shaped groove through the sliding grooves;

[0007] The lower head is arranged at the bottom of the landing door panel, and kidney-shaped holes extending along the thickness direction of the landing door panel are provided on the lower head; a number of the kidney-shaped holes are arranged at intervals along the width direction of the landing door panel;

[0008] The door guide shoe is locked to the lower end cover through a bolt assembly inserted into the kidney-shaped hole.

[0009] Furthermore, the upper end cover includes a first plate body and a second plate body arranged in an upper and lower stacked manner; the first plate body and the second plate body are connected by welding; the strip-shaped groove penetrates through the first plate body and the second plate body up and down.

[0010] Furthermore, the lower end cover includes a third plate body and a fourth plate body arranged in an upper and lower stacked manner; the third plate body and the fourth plate body are connected by welding; the strip-shaped groove penetrates through the third plate body and the fourth plate body up and down.

[0011] Furthermore, the door guide shoe includes a guide shoe plate and a door slider arranged on the guide shoe plate.

[0012] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0013] By the combined use of the clamp nut and the strip-shaped groove in the utility model, the clamp nut can slide in the strip-shaped groove so as to adjust the position of the clamp nut in the width direction of the landing door panel, and further can adapt to the connection requirements of landing door devices of different types of elevators. By the combined use of the kidney-shaped hole, the position of the door guide shoe in the thickness direction of the landing door can be adjusted, and further can adapt to the connection requirements of the sill groove of different types of elevators. Through the above structural design, the landing door panel does not need on-site measurement and non-standard customization, the transformation period of the elevator landing door is short, time and labor are saved, the transformation requirements of the elevator landing door are effectively met, and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The technical solution of the utility model will be further described below with reference to the drawings:

[0015] Figure 1 is a three-dimensional structural schematic diagram of the overall structure of the utility model;

[0016] Figure 2 is Figure 1 the enlarged view at A in

[0017] Figure 3 is Figure 1 the enlarged view at B in

[0018] Figure 4 is a cross-sectional structural schematic diagram of the upper end cover of the utility model;

[0019] Figure 5 is a cross-sectional structural schematic diagram of the lower end cover of the utility model;

[0020] Wherein: 1. Layer door panel; 11. Reinforcing rib; 2. Upper head; 21. First plate body; 22. Second plate body; 3. Lower head; 31. Third plate body; 32. Fourth plate body; 4. Strip-shaped groove; 5. Clip nut; 51. Seat body; 511. Sliding groove; 52. Nut body; 521. Threaded hole; 6. Waist-shaped hole; 7. Door guide shoe; 71. Guide shoe plate; 72. Door slider; 8. Bolt assembly. Detailed implementation mode

[0021] The following will elaborate on the preferred embodiments of the present invention in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0022] As Figures 1-5 Shown is an elevator landing door structure according to this embodiment. The elevator landing door structure includes a layer door panel 1, an upper head 2, a lower head 3, a clip nut 5, a door guide shoe 7, and a bolt assembly 8. The layer door panel 1 is a plate-like structure, formed by sheet metal bending, and reinforcing ribs 11 are welded to its back surface to strengthen the strength of the entire layer door panel 1. The aforementioned upper head 2 is fixedly installed at the top of the layer door panel 1. The landing door device of the elevator is connected to the upper head 2 to be able to drive the layer door panel 1 to move. A strip-shaped groove 4 extending in the width direction of the layer door panel 1 is machined on the top surface of the upper head 2. A plurality of clip nuts 5 are accommodated in the strip-shaped groove 4 and are arranged to slide along the width direction of the layer door panel 1. In this embodiment, the clip nut 5 is a conventional component of the prior art. Among them, the clip nut 5 includes a seat body 51 and a nut body 52 installed on the seat body 51. A threaded hole 521 penetrating up and down is machined on the nut body 52. Sliding grooves 511 are machined on the opposite sides of the seat body 51. The seat body 51 is clamped to the two side edges of the strip-shaped groove 4 through the sliding grooves 511 to be able to move back and forth on the upper head 2. The number of the above-mentioned clip nuts 5 corresponds to the bolt connection positions on the landing door device.

[0023] During specific connection, the clip nut 5 is slid to a position corresponding to the bolt on the landing door device, and the bolt is threadedly connected to the clip nut 5 to connect the upper head 2 and the landing door device.

[0024] In this embodiment, the aforementioned upper head 2 includes a first plate body 21 and a second plate body 22 arranged in an up-and-down stacked manner. The first plate body 21 and the second plate body 22 are welded together to improve the strength of the overall structure. The aforementioned strip-shaped groove 4 penetrates through the first plate body 21 and the second plate body 22 up and down.

[0025] In this embodiment, the aforementioned lower head 3 is fixedly welded to the bottom of the landing door panel 1. A kidney-shaped hole 6 extending in the thickness direction of the landing door panel 1 is machined on the lower head 3. A plurality of kidney-shaped holes 6 are arranged at intervals in the width direction of the landing door panel 1. Among them, the aforementioned lower head 3 includes a third plate body 31 and a fourth plate body 32 arranged in an upper and lower stacked manner. The third plate body 31 and the fourth plate body 32 are welded together to improve the strength of the overall structure. The aforementioned strip-shaped groove 4 penetrates through the third plate body 31 and the fourth plate body 32 up and down.

[0026] The door guide shoe 7 is a conventional component of the prior art, and it forms a sliding fit with the sill groove of the elevator. The door guide shoe 7 includes a guide shoe plate 71 and a door slider 72 installed on the guide shoe plate 71. The aforementioned door guide shoe 7 is arranged corresponding to the kidney-shaped hole 6, and the door guide shoe 7 is locked to the lower head 3 through a bolt assembly 8 inserted into the kidney-shaped hole 6. By adjusting the position of the screw assembly in the kidney-shaped hole 6, the position of the door guide shoe 7 relative to the landing door panel 1 in the thickness direction of the landing door panel 1 can be adjusted, and then the door guide shoe 7 can be corresponded to sill grooves at different positions. The aforementioned guide shoe plate 71 is an eccentric structure, and the position can be adjusted within a large range to adapt to the assembly requirements of sill grooves of different types of elevators.

[0027] During specific use, the snap nut 5 slides in the strip-shaped groove 4, so that the position of the snap nut 5 in the width direction of the landing door panel 1 can be adjusted, and then the snap nut 5 can be corresponded to the bolts on the landing door devices of different types of elevators, and then the connection requirements of landing door devices of different types of elevators can be adapted. By the combined use of the kidney-shaped hole 6, the position of the door guide shoe 7 in the thickness direction of the landing door can be adjusted, and then the connection requirements of sill grooves of different types of elevators can be adapted. Through the above structural design, the landing door panel 1 does not need on-site measurement and non-standard customization, the transformation period of the elevator landing door is short, time and labor are saved, the transformation requirements of the elevator landing door are effectively met, and the practicability is strong.

[0028] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. All equivalent structural or equivalent process transformations made by using the content of the specification of the present invention, or directly or indirectly applied in other related technical fields, are equally included in the patent protection scope of the present invention.

Claims

1. An elevator landing door structure, comprising a landing door panel, an upper head, a lower head, a clip nut, a door guide shoe, and a bolt assembly; characterized in that: The upper head is arranged on the top of the layer door plate, and a strip groove extending along the width direction of the layer door plate is arranged on the top surface of the upper head; A plurality of the clip nuts are accommodated in the strip grooves and are slidably arranged along the width direction of the layer door panel; the clip nuts include a seat body and a nut body arranged on the seat body; the nut body is provided with a threaded hole; two opposite sides of the seat body are provided with sliding grooves; the seat body is clamped on the two side edges of the strip groove through the sliding grooves; The lower sealing head is arranged at the bottom of the layer door plate, and a waist-shaped hole extending along the thickness direction of the layer door plate is provided on the lower sealing head; a plurality of waist-shaped holes are arranged at intervals along the width direction of the layer door plate; The door guide shoe is locked on the lower head by a bolt assembly inserted into the waist-shaped hole.

2. An elevator landing door structure according to claim 1, characterized in that: The upper head comprises a first plate body and a second plate body stacked up and down; the first plate body and the second plate body are welded and connected; the strip groove passes through the first plate body and the second plate body up and down.

3. An elevator landing door structure according to claim 1, characterized in that: The lower head comprises a third plate body and a fourth plate body which are stacked up and down; the third plate body and the fourth plate body are connected by welding; and the strip groove passes through the third plate body and the fourth plate body up and down.

4. The elevator landing door structure according to claim 1, characterized in that: The door guide shoe comprises a guide shoe plate and a door sliding block arranged on the guide shoe plate.

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