Device for covering elevator sill groove

By designing a device to cover the elevator sill groove, the movement of the spring box and the spiral spring is used to cover the sill groove, solving the problem of debris falling into the elevator, reducing the failure rate, and improving customer satisfaction.

CN223522129UActive Publication Date: 2025-11-07FUJIAN SPECIAL EQUIP TESTING RES INST
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Patent Information

Application Number
CN202423250123.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-07
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Debris can easily fall into the sill below the elevator door, leading to a high elevator failure rate, especially in new buildings undergoing renovations, resulting in numerous user complaints.

Method used

Design a device for covering elevator sill grooves, comprising a housing, a cover plate, a spring box and a flat spiral spring, which uses the extension and contraction of the spring to cover the sill grooves and prevent debris from falling in. It includes a combination of flexible and rigid covering materials to ensure that the materials cover the sill grooves when the elevator door is open and retract when it is closed.

Benefits of technology

It effectively prevents debris from entering the sill groove, reduces elevator failure rate, and improves customer satisfaction.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of elevator parts, in particular to a device for covering an elevator sill groove, which comprises a shell, a cover plate for sealing the shell, a spring box arranged in the shell and a spring cover for sealing the spring box, a split limiting column used for limiting a flat spiral spring is arranged in the shell and penetrates through the bottom of the spring box, the flat spiral spring is placed in the spring box, and the fixed end of the flat spiral spring is limited in the split limiting column. The movable end of the flat spiral spring penetrates through the spring cover and is fixedly provided with a covering material; the covering material penetrates through the shell, and the other end of the covering material is used for being fixed below a sill groove. The floor chopping groove can be covered, so that when a client uses the elevator, large sundries cannot fall into the floor chopping groove, faults are reduced, the fault complaint rate of the elevator is reduced, and the satisfaction degree of the client in using the elevator is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to elevator parts technical field, concretely relates to a device for covering elevator sill groove. BACKGROUND

[0002] The car sill under the elevator door is prone to falling into sundries as a guide device, which can seriously hinder the normal closing and opening of the elevator door and cause elevator failure. Especially in the first few years of new building elevator use, when users decorate and load, sundries accumulate in the elevator sill, and the use unit does not clean up in time, which often leads to a high failure rate when the elevator is first put into use, and more user complaints. SUMMARY

[0003] The utility model aims at providing a device for covering elevator sill groove to prevent sundries from falling into the sill.

[0004] The utility model provides the following technical scheme:

[0005] The utility model provides a device for covering elevator sill groove, which comprises a shell, a cover plate for closing the shell, a spring box placed in the shell, and a spring cover for closing the spring box; the shell has a split limiting column for limiting a planar spiral spring, and the split limiting column penetrates the bottom of the spring box; a planar spiral spring is placed in the spring box, and the fixed end of the planar spiral spring is limited in the split limiting column; the movable end of the planar spiral spring is provided with a covering material; the covering material penetrates the shell, and the other end of the covering material is fixed under the sill groove.

[0006] Further, the covering material comprises flexible covering material and rigid covering material, the flexible covering material is wound around the outer wall of the spring box, and one end of the flexible covering material is fixed with the movable end of the planar spiral spring; the other end of the flexible covering material is fixed with the rigid covering material, and the other end of the rigid covering material is fixed under the sill groove.

[0007] Further, the bottom of the spring box is provided with a through hole for penetrating the split limiting column.

[0008] Further, the spring cover is provided with a plurality of convex holes, and the spring box is provided with a plurality of convex blocks matched with the convex holes.

[0009] Further, an opening is formed in the wall of the spring box for penetrating the planar spiral spring.

[0010] Further, a notch is formed in the plane wall of the shell for penetrating the covering material.

[0011] Compared with the prior art, in practical application, the utility model discloses can be along with elevator door opening, plane vortex spring locking, and the covering material is pulled out and covers the trench, when elevator door closes, plane vortex spring restores, and covering material is retrieved, the utility model discloses can cover the trench, makes elevator when customer uses, and big sundries can not fall into the trench, thereby reducing the occurrence of failure, reducing elevator failure complaint rate, improve customer elevator use satisfaction. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is the structure schematic diagram of the utility model.

[0013] Figure 2 It is the structure schematic diagram when the utility model removes the cover plate.

[0014] Figure 3 It is the shell structure schematic diagram.

[0015] Figure 4 It is the spring box structure schematic diagram.

[0016] Figure 5 It is the spring cover structure schematic diagram.

[0017] Figure 6 It is the plane vortex spring structure schematic diagram.

[0018] Figure 7 It is the covering material structure schematic diagram.

[0019] Figure 8 It is the practical application principle schematic diagram.

[0020] Figure 9 It is the enlarged schematic diagram of A.

[0021] In the drawing, 00-elevator door;01- threshold;02- when elevator door is completely opened, the elevator door recess close to the elevator room;1- shell;11- notch;2- cover plate;3- spring box;31- opening;32- through hole;33- convex block;4- spring cover;41- convex hole;5- fork limiting column;6- plane vortex spring;61- fixed end;62- movable end;7- covering material;71- flexible covering material;72- rigid covering material. DETAILED DESCRIPTION

[0022] The utility model will be further explained in connection with the drawings.

[0023] Reference Figures 1-6In an embodiment of the utility model, a device for covering the threshold groove of elevator, including shell 1, the cover plate 2 for closing the shell 1, the spring box 3 placed in the shell 1 and the spring cover 4 for closing the spring box 3, the shell 1 has a split limiting column 5 for limiting flat spiral spring 6, and the split limiting column 5 penetrates the bottom of spring box 3, the spring box 3 places a flat spiral spring 6, the fixed end of flat spiral spring 6 is limited in split limiting column 5, the movable end 62 of flat spiral spring 6 is provided with spring cover 3, and covering material 7 is fixed, covering material 7 is provided with shell 1, and the other end of covering material 7 is used to be fixed in the threshold 01 groove, please continue to read Figure 8 And Figure 9 In practical application, the utility model is placed in the recess 02 of one side of elevator door (the side close to the elevator room after the elevator door is completely opened), and the covering material 7 pulled out is close to and parallel to the above threshold 01 groove, and the fixed end of covering material 7 is fixed to the side wall at the threshold groove below the shell when the elevator door is completely closed, so that when the elevator door is opened, the flat spiral spring is locked, and the covering material is pulled out to cover the threshold groove, when the elevator door is closed, the flat spiral spring restores, and the covering material is retracted (similar to a tape measure).

[0024] Refer to 2、 Figure 4 And Figure 7 In an embodiment of the utility model, the covering material 7 includes flexible covering material 71 and rigid covering material 72, the flexible covering material 71 is wound and sleeved on the outer wall of the spring box 3, and one end of the flexible covering material 71 is fixed with the movable end 62 of the flat spiral spring 6, the other end of the flexible covering material 71 is fixed with the rigid covering material 72, and the other end of the rigid covering material 72 is fixed at the threshold 01 groove, refer to Figure 8 And Figure 9 When the elevator door is opened, the flat spiral spring is locked, and the flexible covering material is pulled out to cover the threshold groove, when the elevator door is closed, the flat spiral spring restores, and the flexible covering material is retracted.

[0025] In the above embodiment, the rigid covering material 72 is a U-shaped plate, which is locked at the threshold groove, refer to Figure 8 And Figure 9 When the elevator door is completely closed, one wall of the U-shaped plate is located between the elevator door and the threshold groove, so as to avoid the flexible material from touching the elevator door and causing friction damage, thereby prolonging the service life of the utility model.

[0026] In the above embodiment, the width of the covering material is greater than the width of the threshold groove, so as to prevent sundries from falling into the threshold.

[0027] Refer to Figure 4In an embodiment of the utility model, the bottom of spring box 3 is equipped with through hole 32 for the split limiting column 5.

[0028] Refer to Figure 4 And Figure 5 In an embodiment of the utility model, spring cover 4 is equipped with multiple convex holes 41, spring box 3 is equipped with multiple convex blocks 33 matched with convex holes 41.

[0029] Refer to Figure 4 In an embodiment of the utility model, the wall of spring box 4 is equipped with an opening 31 for the flat spiral spring 6.

[0030] Refer to Figure 3 And Figure 9 In an embodiment of the utility model, the flat wall of shell 1 is equipped with a gap 11 for the covering material 7; in actual application, when shell 1 is placed in recess 02, gap 11 is opposite the gap between recess and threshold below recess, to ensure that covering material 7 does not directly contact and rub with elevator door after being pulled out.

[0031] Principle: with the opening of elevator door, flat spiral spring is locked, and flexible covering material is pulled out to cover the threshold; when elevator door is closed, flat spiral spring returns to normal, and flexible covering material is retracted.

[0032] The embodiment of the utility model is given for example and description, although the embodiment of the utility model has been shown and described above, it is understood that the above embodiment is exemplary, and can not be understood as the limitation of the utility model, and the ordinary skilled person in the art can change, modify, replace and transform the above embodiment within the scope of the utility model.

Claims

1. A device for covering an elevator sill slot, characterized by: The utility model discloses a spring box and a spring cover for enclosing the spring box, a split limiting column for limiting a flat spiral spring in the shell is arranged in the shell, and the split limiting column penetrates the bottom of the spring box, a flat spiral spring is arranged in the spring box, and the fixed end of the flat spiral spring is limited in the split limiting column, the movable end of the flat spiral spring penetrates the spring cover, and the movable end is fixed with a covering material, the covering material penetrates the shell, and the other end of the covering material is fixed under a sill groove.

2. A device for covering an elevator sill slot according to claim 1, characterized in that: The covering material includes flexible covering material and rigid covering material, the flexible covering material is wrapped around the outer wall of the spring box, one end of the flexible covering material is fixed with the movable end of the flat spiral spring, the other end of the flexible covering material is fixed with the rigid covering material, and the other end of the rigid covering material is fixed under the sill groove.

3. A device for covering an elevator sill slot according to claim 1, characterized in that: The bottom of the spring box is provided with a through hole for penetrating the split limiting column.

4. A device for covering an elevator sill slot according to claim 1, characterized in that: The spring cover is provided with a plurality of convex holes, and the spring box is provided with a plurality of convex blocks matched with the convex holes.

5. A device for covering an elevator sill slot according to claim 1, characterized in that: An opening for penetrating the flat spiral spring is arranged on the wall of the spring box.

6. A device for covering an elevator sill slot according to claim 1, characterized in that: A notch for penetrating the covering material is arranged on the flat wall of the shell.