Steel door inserting hole forming structure

Abstract

The utility model discloses a steel door jack opening structure which comprises a door plate, a bolt is assembled in the door plate in a sliding mode, and a wrench for controlling the bolt to be inserted downwards and lifted upwards is assembled on a side plate of the door plate. A plurality of fan-shaped guide petals are cut and formed on a bottom plate of the door plate, the fan-shaped guide petals are cut and formed along cutting seams, the multiple fan-shaped guide petals have the same circle center and are spliced into a disc, and connecting parts connected with the bottom plate are formed on the arc-shaped edges of the fan-shaped guide petals; the plurality of fan-shaped guide petals can be turned upwards by 90 degrees under the action of upward thrust and give way to form an insertion hole, the insertion hole is coaxial with the plug pin, and the fan-shaped guide petals which are turned upwards are uniformly erected in the circumferential direction of the insertion hole to guide sliding of the plug pin. According to the scheme, the fan-shaped guide petals can guide sliding of the plug pin, the matching degree of the plug pin and the inserting hole is improved, the fan-shaped guide petals are cut and formed on the bottom plate and are directly formed by excess materials with the inserting hole, the excess materials are fully utilized, and cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steel door technical field, concretely relates to a steel door bolt hole opening structure. BACKGROUND

[0002] In order to improve the anti-theft effect of steel door, the steel door is equipped with the bolt that can be inserted into the door frame, the bottom plate of the door body is provided with the insertion hole for the bolt, and the side plate of the door body is equipped with the wrench for controlling the bolt to be inserted and lifted, but the bottom plate is a sheet structure, and the thickness is limited, when the bolt is in and out of the insertion hole, the matching precision of the bolt and the insertion hole cannot be guaranteed, the smoothness of the bolt insertion is affected, and the insertion hole structure is easily damaged, which affects the service life of the steel door. SUMMARY

[0003] The utility model provides a steel door bolt hole opening structure in order to solve the problem of the matching precision of the bolt and the insertion hole in prior art, and the utility model discloses the following technical scheme:

[0004] A steel door bolt hole opening structure, which comprises a door plate, and a bolt is slidably assembled in the door plate, a plurality of fan-shaped guide petals are cut and formed on the bottom plate of the door plate, the fan-shaped guide petals are all cut and formed along cutting seams, the plurality of fan-shaped guide petals have a same center and are combined into a disc, and the arc-shaped edge of the fan-shaped guide petal is formed with a connecting portion connected with the bottom plate, the plurality of fan-shaped guide petals can be turned up by 90 degrees under the action of an upward thrust and leave a space for an insertion hole, the insertion hole is coaxial with the bolt, and the turned-up fan-shaped guide petals are uniformly erected around the insertion hole to guide the sliding of the bolt.

[0005] Preferably, the fan-shaped guide petals are four, the cutting seams include two straight cutting seams and four arc-shaped cutting seams, and the two straight cutting seams are perpendicular to each other and have a same center.

[0006] Preferably, the straight edges of the four fan-shaped guide petals are cut and formed along the two straight cutting seams.

[0007] Preferably, the connecting portion is arranged at the middle part of the arc-shaped edge, and the arc-shaped edge is separated into two half-arc edges by the connecting portion.

[0008] Preferably, two arc-shaped cutting seams are symmetrically distributed at the two ends of each straight cutting seam, each arc-shaped cutting seam is divided into two half-arc seams by the straight cutting seam, and each half-arc edge is cut and formed along the corresponding half-arc seam.

[0009] Preferably, each arc-shaped cutting seam is provided with an outward expansion cutting seam away from the fan-shaped guide petal at the two ends, and the two outward expansion cutting seams are parallel to each other.

[0010] As preferred, the connecting part is a connecting sheet cut and formed along two adjacent outer expansion cut seams.

[0011] As preferred, the aperture of the insertion hole matches the outer diameter of the bolt.

[0012] Compared with the prior art, the utility model has the following technical effects: the present scheme optimizes the opening structure of the insertion hole, the fan-shaped guiding petal can guide the lowering and lifting action of the bolt, and the cooperation degree of the bolt and the insertion hole is improved; the fan-shaped guiding petal is cut and formed on the bottom plate, is directly formed by the excess material for opening the insertion hole, the excess material is fully utilized, cost is saved, and the insertion hole and the fan-shaped guiding petal are synchronously formed, so that the forming is convenient; the connecting sheet cut and formed by the outer expansion cut seam improves the structural strength of the fan-shaped guiding petal, and can ensure that the fan-shaped guiding petal is turned up in place, and the guiding effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the utility model;

[0014] Figure 2 It is a structural schematic view of the utility model after the fan-shaped guiding petal is turned up;

[0015] Figure 3 It is a structural schematic view of the utility model before the fan-shaped guiding petal is turned up;

[0016] Figure 4 It is a structural schematic view of the fan-shaped guiding petal in the utility model;

[0017] Figure 5 It is a structural schematic view of the cut seam in the utility model;

[0018] Marked in the drawing: door plate 10; bottom plate 11; bolt 12; wrench 13; insertion hole 14; fan-shaped guiding petal 20; arc-shaped edge 21; half-arc edge 211; right-angle edge 22; connecting sheet 23; straight-line cut seam 31; arc-line cut seam; half-arc seam 321; outer expansion cut seam 33. DETAILED DESCRIPTION

[0019] The utility model will be further described in connection with the embodiments shown in the drawings:

[0020] Referring to Figures 1-5 The embodiment discloses a steel door insertion hole opening structure, which comprises a door plate 10, the bolt 12 is slidably assembled in the door plate 10, and the wrench 13 for controlling the lowering and lifting of the bolt 12 is assembled on the side plate of the door plate 10.

[0021] The bottom plate 11 of the door plate 10 is a metal plate, and a plurality of fan-shaped guide petals 20 are cut and formed on the bottom plate 11, and the fan-shaped guide petals 20 are all cut and formed along cutting seams, and four fan-shaped guide petals 20 are arranged in the embodiment, the four fan-shaped guide petals 20 have the same center and are combined into a disc, and the arc-shaped edges 21 of the fan-shaped guide petals 20 are formed with connecting portions connected with the bottom plate 11.

[0022] The four fan-shaped guide petals 20 can be turned up by 90 degrees under the action of the upward thrust and leave a jack 14, the jack 14 is coaxial with the bolt 12, and the turned-up fan-shaped guide petals 20 are uniformly erected around the jack 14 to guide the sliding of the bolt 12; the jack 14 is circular, and the hole diameter of the jack 14 matches the outer diameter of the bolt 12. The jack 14 adopts the above-mentioned opening structure, the fan-shaped guide petals 20 can guide the downward insertion and upward lifting action of the bolt 12, and the matching degree of the bolt 12 and the jack 14 is improved; and the fan-shaped guide petals 20 are cut and formed on the bottom plate 11, which is directly formed by the excess material of the jack 14, fully utilizes the excess material, saves the cost, and the jack 14 and the fan-shaped guide petals 20 are synchronously formed, which is convenient to form and does not need to additionally add a guide structure.

[0023] The cutting seam includes two straight cutting seams 31 and four arc-shaped cutting seams 32; the two straight cutting seams 31 are perpendicular and intersect at the same center; the right-angle edges 22 of the four fan-shaped guide petals 20 are cut and formed along the two straight cutting seams 31; the connecting portions are arranged at the middle portions of the arc-shaped edges 21, the arc-shaped edges 21 are separated into two half-arc edges 211 by the connecting portions; two arc-shaped cutting seams 32 are symmetrically distributed at both ends of each straight cutting seam 31, each arc-shaped cutting seam 32 is divided into two half-arc seams 321 by the straight cutting seam 31, and each half-arc edge 211 is cut and formed along the corresponding half-arc seam 321. The cutting seam adopts the above-mentioned distribution mode, which is convenient for forming the fan-shaped guide petals 20 and can guarantee the structural strength of the fan-shaped guide petals 20.

[0024] Both ends of each arc-shaped cutting seam 32 are provided with outward expansion cutting seams 33 away from the fan-shaped guide petals 20, and the adjacent two outward expansion cutting seams 33 are parallel to each other; the connecting portion is a connecting piece 23 cut and formed along the adjacent two outward expansion cutting seams 33. The connecting piece 23 cut and formed by the outward expansion cutting seam improves the structural strength of the fan-shaped guide petals 20 and can guarantee that the fan-shaped guide petals 20 are turned up in place and kept in the erected position, and guarantees the guiding effect.

[0025] It should be understood that in the claims, the specification and the drawings of the present application, all the "comprising" should be understood as open-ended, that is, its meaning is equivalent to "at least containing", and should not be understood as a closed meaning, that is, its meaning should not be understood as "only containing". The terms "first", "second" are only used for description purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0026] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and the changes, modifications, additions or replacements made by the skilled in the art within the essential scope of the present application should be covered within the protection scope of the present application.

Claims

1. A steel door pocket opening structure, characterized by, The door panel comprises a bottom plate, a plurality of sector-shaped guiding petals are cut and formed on the bottom plate, the sector-shaped guiding petals are cut and formed along cutting seams, the sector-shaped guiding petals have a same center and are combined into a disc, arc-shaped edges of the sector-shaped guiding petals are formed with connecting portions connected with the bottom plate, the sector-shaped guiding petals can be turned up by 90 degrees under the action of an upward thrust and leave a plug hole, a bolt is slidingly assembled in the door panel, the plug hole is coaxial with the bolt, and the turned-up sector-shaped guiding petals are uniformly erected around the plug hole to guide the sliding of the bolt.

2. The steel door pocket opening structure according to claim 1, wherein, The four sector-shaped guiding petals are provided, the cutting seams comprise two straight cutting seams and four arc-shaped cutting seams, and the two straight cutting seams are perpendicular to each other and have a same center with the center of the disc.

3. The steel door pocket opening structure according to claim 2, wherein, The straight edges of the four sector-shaped guiding petals are cut and formed along the two straight cutting seams.

4. The steel door pocket opening structure according to claim 3, wherein, The connecting portions are arranged at the middle portions of the arc-shaped edges, and the arc-shaped edges are separated into two half-arc edges by the connecting portions.

5. The steel door pocket opening structure according to claim 4, wherein, Two arc-shaped cutting seams are symmetrically distributed at two ends of each straight cutting seam, each arc-shaped cutting seam is divided into two half-arc seams by the straight cutting seam, and each half-arc edge is cut and formed along the corresponding half-arc seam.

6. A steel door pocket opening structure according to any one of claims 2-5, characterized in that, Two outward expanding cutting seams are arranged at two ends of each arc-shaped cutting seam and away from the sector-shaped guiding petal, and the two outward expanding cutting seams are parallel to each other.

7. The steel door pocket opening structure according to claim 6, wherein The connecting portion is a connecting sheet cut and formed along the two outward expanding cutting seams.

8. The steel door pocket opening structure according to claim 1, wherein, The hole diameter of the plug hole matches the outer diameter of the bolt.

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