Stainless steel plate with good flatness after riveting and elevator operation box

Abstract

The stainless steel plate comprises a steel plate body, a plurality of riveting holes are formed in the steel plate body, a stress groove is formed in the peripheral side of one end of each riveting hole, and the stress grooves are formed in the side wall of the steel plate body. The stress groove is formed outside the riveting hole, and pressure generated in the process that the riveting piece is riveted in the riveting hole can be released through the stress groove, so that after the steel plate is riveted, the flatness near the riveting hole is better than that when riveting is conducted without the stress groove. The elevator operation box comprises a shell which is made of the stainless steel plate, and the flatness of the shell is better.

Description

Technical Field

[0001] The utility model relates to the technical field of steel plate riveting technology, in particular to a stainless steel plate with good flatness after riveting and an elevator operating box. Background Art

[0002] When riveting screws or studs on stainless steel plates used to make elevator control boxes, riveting holes are pre-opened on the steel plates. When the screws or studs are riveted into the riveting holes, the steel plates around the riveting holes will be severely deformed and their flatness will be affected, which will affect the subsequent processing technology of the steel plates. Utility Model Content

[0003] The utility model provides a stainless steel plate with good flatness after riveting and an elevator operating box. The pressure generated by riveting can be released, and the flatness of the steel plate is better after riveting.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A stainless steel plate with good flatness after riveting comprises a steel plate body, a plurality of riveting holes are arranged on the steel plate body, a stress groove is arranged on the outer peripheral side of one end of the riveting hole, and the stress groove is arranged on the side wall of the steel plate body.

[0006] Preferably, the stress groove comprises an annular groove, the annular groove and the riveting hole are coaxially arranged, and the minor diameter of the annular groove is larger than the hole diameter of the riveting hole.

[0007] Preferably, the difference between the minor diameter of the annular groove and the diameter of the riveting hole is in the range of 0.5 mm to 1 mm.

[0008] Preferably, the stress groove comprises at least two arc grooves, any two of the arc grooves are arranged at intervals, and the plurality of arc grooves are evenly distributed on the outer peripheral side of the riveting hole.

[0009] Preferably, the difference between the minor diameter of the arc-shaped groove and the diameter of the riveting hole is in the range of 0.5 mm to 1 mm.

[0010] Preferably, the stress groove is arranged on the side wall protruding after the riveting piece is riveted.

[0011] Preferably, stress grooves are provided on the outer peripheral sides of both ends of the riveting hole.

[0012] An elevator operating box comprises an outer shell, wherein the outer shell is made of the above-mentioned stainless steel plate.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] By arranging a stress groove outside the riveting hole, the pressure generated during the riveting of the riveting part in the riveting hole can be released through the stress groove, so that after the steel plate is riveted, the flatness near the riveting hole is better than when there is no stress groove for riveting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is an overall schematic diagram of a steel plate in an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the distribution of arc grooves and riveting holes in an embodiment of the utility model;

[0018] Figure 3 This is a schematic diagram of the distribution of annular grooves and riveting holes in an embodiment of the present utility model.

[0019] Description of reference numerals:

[0020] 1. Steel plate body; 2. Riveting hole; 3. Stress groove; 31. Arc groove; 32. Annular groove. DETAILED DESCRIPTION

[0021] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0023] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0024] like Figure 1 As shown, the embodiment of the utility model provides a stainless steel plate with good flatness after riveting, including a steel plate body 1, and a plurality of riveting holes 2 are arranged on the steel plate body 1. In order to solve the problem in the prior art that after the end of the riveting piece is riveted into the riveting hole 2, the stress cannot be released during riveting, and the existing stress will cause the steel plate body 1 near the riveting hole 2 to deform, a stress groove 3 is arranged at one end of the riveting hole 2, and the stress groove 3 is opened on the side wall of the steel plate body 1, so that when the riveting piece is riveted into the riveting hole 2, the side wall of the riveting hole 2 will be squeezed, and its squeezing stress will force a part of the steel plate entity to move radially toward the stress groove 3 and occupy part of the space of the stress groove 3, so that the additional space occupied by the riveted piece in the riveting hole is replaced by the groove space of the stress groove 3 and the steel plate is carried, so as to achieve the purpose of releasing the riveting stress, so that the steel plate near the riveting hole 2 will not be seriously deformed after riveting, and the flatness is basically unchanged compared with before riveting, and the flatness after riveting is still very high, which will not affect the subsequent processing technology of the steel plate.

[0025] Specifically, in this embodiment, if Figure 2 As shown, the stress groove 3 includes at least two arc grooves 31, the arc groove 31 is coaxially arranged with the riveting hole 2, and the plurality of arc grooves 31 are evenly distributed on the outer peripheral side of the riveting hole 2, so that in the process of riveting the riveting part in the riveting hole 2, the stress on the side wall of the riveting hole 2 will force a part of the steel plate to be transferred to the arc groove 31 in the radial direction, occupying part of the space in the arc groove 31, and the radial stress generated by riveting is released radially into the arc groove 31 at the corresponding position on the outer peripheral side; and any two arc grooves 31 are arranged at intervals, thereby ensuring the connection strength of the end of the riveting hole; specifically, the number of the arc grooves 31 is two, and the two arc grooves 31 are symmetrically arranged about the axis of the riveting hole.

[0026] In another embodiment, if Figure 3As shown, the stress groove 3 includes an annular groove 32, which is coaxially arranged with the riveting hole 2, and the minor diameter of the annular groove 32 is larger than the aperture of the riveting hole 2. Therefore, in the process of riveting the riveted part in the riveting hole 2, the stress on the side wall of the riveting hole 2 will force a part of the steel plate to be transferred radially to the annular groove 32, occupying part of the space in the annular groove 32, and the radial stress generated by the riveting is released radially to the annular groove 32 at the corresponding position on the outer peripheral side, so that the stress is released more thoroughly.

[0027] Specifically, the difference between the minor diameter of the arc groove 31 and the diameter of the riveting hole 2 ranges from 0.5 mm to 1 mm. In this embodiment, the minimum radius of the arc groove 31 is 2.5 mm, the radius of the riveting hole 2 is 1.6 mm, and the difference between the two is 0.9 mm.

[0028] In this embodiment, the riveted part is riveted on the riveting hole 2, with the end portion located inside the riveting hole 2 and the remaining portion located outside the riveting hole 2. The stress groove 3 is installed on the protruding side wall of the riveted part. Because the side wall on which the stress groove is installed is generally the inner wall of the steel plate after being processed into a component, after the component is installed, the stress groove 3 will not be seen, and the appearance of the product is better.

[0029] Of course, in another embodiment, stress grooves 3 are provided on the outer peripheral sides of both ends of the riveting hole 2. When the end of the riveting piece fills the entire riveting hole 2, the pressure generated during the riveting process will be released more completely, and the flatness near the riveting hole 2 will be better.

[0030] An elevator operating box comprises an outer shell, which is made of the above-mentioned stainless steel plate. During the manufacturing process of the outer shell, its manufacturing process will not be affected, and the outer shell of the entire elevator operating box will have better flatness and better aesthetics.

[0031] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A stainless steel plate with good flatness after riveting, characterized in that: It comprises a steel plate body, on which a plurality of riveting holes are arranged, and a stress groove is arranged on the outer side of one end of the riveting hole, and the stress groove is arranged on the side wall of the steel plate body.

2. The stainless steel plate according to claim 1, characterized in that: The stress groove includes at least two arc grooves, the arc groove is coaxially arranged with the riveting hole, and a plurality of the arc grooves are evenly distributed on the outer peripheral side of the riveting hole, and any two of the arc grooves are spaced apart.

3. The stainless steel plate according to claim 2, characterized in that: The difference between the minor diameter of the arc groove and the diameter of the riveting hole is in the range of 0.5 mm to 1 mm.

4. The stainless steel plate according to claim 1, characterized in that: The stress groove comprises an annular groove, the annular groove and the riveting hole are coaxially arranged, and the minor diameter of the annular groove is larger than the diameter of the riveting hole.

5. The stainless steel plate according to claim 4, characterized in that: The difference between the minor diameter of the annular groove and the diameter of the riveting hole is in the range of 0.5 mm to 1 mm.

6. The stainless steel plate according to claim 1, characterized in that: The stress groove is arranged on the side wall protruding after the riveting piece is riveted.

7. The stainless steel plate according to claim 1, characterized in that: Stress grooves are arranged on the outer peripheral sides of both ends of the riveting hole.

8. An elevator control box, characterized in that: It comprises an outer shell, and the outer shell is made of the stainless steel plate according to any one of claims 1-7.

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