Door frame reinforcing structure

Abstract

The door frame reinforcing structure comprises a door frame body, a reinforcing plate and a connecting piece, the door frame body comprises a bottom frame and side frames symmetrically arranged on the two sides of the bottom frame, the side frames are formed by bending metal plates and extend in the vertical direction, and the side frames are each provided with a first assembly section and a second assembly section in the width direction of the side frames; an assembling groove extending in the vertical direction is defined by the first assembling section, the multiple connecting pieces are assembled in the assembling groove at intervals, clamping holes are formed in the connecting pieces, and inner pushing clamping pins matched with the clamping holes are formed in the first assembling section in a cutting mode; the reinforcing plates correspond to the connecting pieces one to one, the reinforcing plates stretch across the assembling grooves, first welding points welded to the second assembling sections are arranged at the front ends of the reinforcing plates, and second welding points welded to the connecting pieces are arranged in the middles of the reinforcing plates. According to the door frame reinforcing structure disclosed by the utility model, the connecting piece is arranged, so that the welding mode of the reinforcing plate is optimized, the strength of the door frame is enhanced, and the difficulty and the cost of subsequent edge covering operation are reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to door frame technical field, concretely relates to a door frame reinforcing structure. BACKGROUND

[0002] Door frame is the frame structure for installing in wall body and assembling door leaf, and the existing door frame is mostly formed by bending metal plate, and because the size of door frame in height direction is large, the structural strength of metal plate is limited, in order to improve the structural strength of door frame, usually a plurality of reinforcing plates are installed in the height direction of door frame, and the reinforcing plate is mostly assembled on the door frame by welding, in order to ensure the connection stability, the reinforcing plate and the door frame are welded by multiple points, and the front and rear sections of the reinforcing plate are provided with welding points, which can cause the assembly gap between the door frame baffle and the reinforcing plate to disappear, and when the door frame is subsequently edge covered, the edge covering material cannot be continuously inserted into the assembly gap, and reprocessing is required, so the operation is difficult. SUMMARY

[0003] The utility model provides a door frame reinforcing structure in order to solve the problem of increasing the difficulty of subsequent edge covering operation in the prior art door frame reinforcing structure, and the utility model discloses the following technical scheme:

[0004] A door frame reinforcing structure, comprising a door frame body, a reinforcing plate and a connecting piece, the door frame body comprises a bottom frame and side frames symmetrically arranged on both sides of the bottom frame, the side frame is formed by bending a metal plate and extends vertically, the side frame is segmented in the width direction and comprises a first assembly section and a second assembly section, the first assembly section defines an assembly groove extending vertically, a plurality of connecting pieces are spaced apart and arranged in the assembly groove in the vertical direction, a clamping hole is formed in the connecting piece, and an inner push clamping pin matched with the clamping hole is formed on the first assembly section by cutting; the reinforcing plate and the connecting piece correspond to each other, the reinforcing plate spans the assembly groove, the front end of the reinforcing plate is provided with a first welding point welded with the second assembly section, and the middle part of the reinforcing plate is provided with a second welding point welded with the connecting piece.

[0005] Preferably, the first assembly section comprises a first flat wall and first and second bent walls located on both sides of the first flat wall, and the first bent wall comprises an outward turning edge perpendicular to the first flat wall and an inward turning edge parallel to the first flat wall.

[0006] Preferably, the inner push clamping pin is formed on the inward turning edge, and the inner push clamping pin comprises an upper clamping strip and a lower clamping strip arranged in a vertical direction, and the upper and lower clamping strips are formed by cutting along a U-shaped cutting slot.

[0007] Preferably, the two U-shaped cutting slots are continuously arranged and connected to form a rectangular cutting slot, and the upper and lower clamping strips are bent and inserted into the clamping hole under the action of an inner pushing force.

[0008] Preferably, the reinforcing plate extends horizontally, and the tail end of the reinforcing plate is flush with the outer turning edge.

[0009] Preferably, the connecting piece is formed by bending a metal sheet, and includes a U-shaped main piece, and a first outward wing and a second outward wing formed on both sides of the U-shaped main piece, and the clamping hole is formed in the first outward wing.

[0010] Preferably, the first outward wing extends towards the outer turning edge and abuts against the inner turning edge, and the bottom wall of the U-shaped main piece abuts against the first flat wall.

[0011] Preferably, the second outward wing abuts against the reinforcing plate, and the second welding point is welded on the second outward wing.

[0012] Preferably, the second assembly section includes a second flat wall and a front blocking wall vertically arranged on the front side of the second flat wall, and the second flat wall is parallel to the first flat wall and connected by a second bending wall.

[0013] Preferably, the second flat wall abuts against the reinforcing plate, and the first welding point is welded on the second flat wall.

[0014] Compared with the prior art, the utility model has the following technical effects: the welding position of the reinforcing plate is changed by arranging the connecting piece, the connection stability of the reinforcing plate and the door frame body is ensured, the reinforcing plate tail end is prevented from being welded with the door frame body, the subsequent edge covering operation difficulty and cost are reduced, the connecting piece structure and assembly position are reasonable, the structure of the door frame body is adapted, the compactness of the overall structure is ensured, and the structural strength of the door frame is further improved; the connecting piece is buckled and fixed with the door frame body, the inner push pin is directly cut and formed on the door frame body, operation is convenient, and cost is low; the welding point position is reasonable, the assembly stability of the reinforcing plate and the connecting piece is ensured, and the structural strength of the door frame is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is an assembly schematic view of the side frame, the connecting piece and the reinforcing plate in the utility model;

[0017] Figure 3 It is a structural schematic view of the side frame in the utility model;

[0018] Figure 4 It is a structural schematic view of the connecting piece in the utility model;

[0019] Marked in the figure: bottom frame 10; side frame 20; first assembly section 21; first flat wall 211; first bent wall 212; outward turning side 2121; inward turning side 2122; upper clamping strip 2123; lower clamping strip 2124; rectangular cutting seam 2125; second bent wall 213; second assembly section 22; second flat wall 221; front blocking wall 222; connecting piece 30; U-shaped main body piece 31; first outward turning wing 32; clamping hole 321; second outward turning wing 33; reinforcing plate 40; first welding point 41; second welding point 42; door leaf 50 DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the embodiments shown in the drawings:

[0021] Referring to Figure 1 The utility model discloses a door frame reinforcing structure, including door frame body, reinforcing plate 40 and connecting piece 30, the door frame body includes bottom frame 10 and the side frame 20 symmetrically arranged at the both sides of bottom frame 10, and the door leaf 50 is assembled in the door frame body, the side frame 20 is bent and is formed by metal sheet material, and extends along vertical direction.

[0022] Referring to Figures 2-4 The side frame 20 is segmented in the width direction and includes the first assembly section 21 and the second assembly section 22, the first assembly section 21 is limited to one assembly groove extending along vertical direction, and three connecting pieces 30 are spaced apart and assembled in the assembly groove along vertical direction, the clamping hole 321 is formed in the connecting piece 30, and the inner push clamping pin matched with the clamping hole 321 is cut and formed on the first assembly section 21, the reinforcing plate 40 is one-to-one corresponding with the connecting piece 30, and also three reinforcing plates 40 are arranged, the reinforcing plate 40 spans the assembly groove, the front end of reinforcing plate 40 is equipped with the first welding point 41 welded with the second assembly section 22, and the middle part of reinforcing plate 40 is equipped with the second welding point 42 welded with the connecting piece 30. By setting the connecting piece, the welding position of the reinforcing plate is changed, that is to say, the connecting stability of the reinforcing plate and the door frame body is ensured, the reinforcing plate tail end and the door frame body are avoided from being welded, the subsequent edge covering operation difficulty and cost are reduced.

[0023] The first assembly section 21 comprises a first flat wall 211, and a first bent wall 212 and a second bent wall 213 located on both sides of the first flat wall 211; the first bent wall 212 comprises an outward turning side 2121 perpendicular to the first flat wall 211, and an inward turning side 2122 parallel to the first flat wall 211; a push-in clamping pin is formed on the inward turning side 2122, and the push-in clamping pin comprises an upper clamping strip 2123 and a lower clamping strip 2124 distributed upward and downward, and the upper clamping strip 2123 and the lower clamping strip 2124 are cut and formed along a U-shaped cutting seam; in order to facilitate cutting and forming and subsequent pushing in, two U-shaped cutting seams are continuously arranged and connected into a rectangular cutting seam 2125, and after the connecting piece 30 is assembled in place, the upper clamping strip 2123 and the lower clamping strip 2124 are simultaneously pushed in by using a tool, and under the action of the pushing-in force, the upper clamping strip 2123 and the lower clamping strip 2124 are bent and extended into the clamping hole 321, the clamping of the connecting piece 30 and the door frame body is completed, the operation is convenient, and the cost is low. The reinforcing plate extends in a horizontal direction, the tail end of the reinforcing plate is flush with the outward turning side, and subsequent edge covering operation is facilitated.

[0024] The connecting piece 30 is bent and formed from a metal sheet, and comprises a U-shaped main body sheet 31, and a first outward turning wing 32 and a second outward turning wing 33 formed on both sides of the U-shaped main body sheet 31, and the clamping hole 321 is arranged in the first outward turning wing 32; the first outward turning wing 32 extends towards the outward turning side 2121 and abuts against the inward turning side 2122; the bottom wall of the U-shaped main body sheet 31 abuts against the first flat wall 211; the second outward turning wing 33 abuts against the reinforcing plate 40, and the second welding point 42 is welded on the second outward turning wing 33. The connecting piece 30 adopts the above structure, can reasonably utilize the assembly space in the assembly groove, makes the whole door frame structure more compact, and can further strengthen the structural strength of the whole door frame.

[0025] The second assembly section 22 comprises a second flat wall 221, and a front blocking wall 222 vertically arranged on the front side of the second flat wall 221; the second flat wall 221 is parallel to the first flat wall 211 and connected through the second bent wall 213; the second flat wall 221 abuts against the reinforcing plate 40, and the first welding point 41 is welded on the second flat wall 221; the reinforcing plate 40 extends along the width direction of the side frame 20, and two welding points are arranged and welded on the door frame body and the connecting piece 30 respectively, the welding positions are reasonably arranged, the assembly stability of the reinforcing plate 40 and the connecting piece 30 is ensured, and the structural strength of the whole door frame is effectively improved.

[0026] 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.

[0027] 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 door frame reinforcing structure characterized by, The door frame body comprises a bottom frame and side frames symmetrically arranged on both sides of the bottom frame, the side frame is formed by bending a metal plate and extends vertically, the side frame is segmented in the width direction and comprises a first assembly section and a second assembly section, the first assembly section defines an assembly slot extending vertically, a plurality of connecting pieces are arranged in the assembly slot in the vertical direction, a clamping hole is formed in the connecting piece, an inner push clamping pin matched with the clamping hole is formed on the first assembly section by cutting, the reinforcing plate corresponds to the connecting piece one by one, the reinforcing plate spans the assembly slot, the front end of the reinforcing plate is provided with a first welding point welded with the second assembly section, and the middle part of the reinforcing plate is provided with a second welding point welded with the connecting piece.

2. A door frame reinforcement structure according to claim 1, wherein The first assembly section comprises a first flat wall and first and second bent walls located on both sides of the first flat wall, the first bent wall comprises an outward turning edge perpendicular to the first flat wall and an inward turning edge parallel to the first flat wall.

3. A door frame reinforcement structure according to claim 2, wherein The inner push clamping pin is formed on the inward turning edge, the inner push clamping pin comprises an upper clamping strip and a lower clamping strip distributed above and below, and the upper and lower clamping strips are cut and formed along a U-shaped cutting slot.

4. A door frame reinforcing structure according to claim 3, wherein Two U-shaped cutting slots are continuously arranged and connected to form a rectangular cutting slot, and the upper and lower clamping strips are bent and inserted into the clamping hole under the action of an inner pushing force.

5. A door frame reinforcing structure according to claim 2, wherein The reinforcing plate extends horizontally, and the tail end of the reinforcing plate is flush with the outward turning edge.

6. A door frame reinforcement structure according to any one of claims 2 to 5, wherein The connecting piece is formed by bending a metal sheet, comprises a U-shaped main body sheet and first and second outward turning wings formed on both sides of the U-shaped main body sheet, and the clamping hole is formed in the first outward turning wing.

7. A door frame reinforcing structure according to claim 6, wherein The first outward turning wing extends towards the outward turning edge and abuts against the inward turning edge, and the bottom wall of the U-shaped main body sheet abuts against the first flat wall.

8. A door frame reinforcing structure according to claim 7, wherein The second outward turning wing abuts against the reinforcing plate, and the second welding point is welded on the second outward turning wing.

9. A door frame reinforcing structure according to claim 2, wherein The second assembly section comprises a second flat wall and a front blocking wall vertically arranged on the front side of the second flat wall, the second flat wall is parallel to the first flat wall, and the two are connected through the second bent wall.

10. A door frame reinforcing structure according to claim 9, wherein The second flat wall abuts against the reinforcing plate, and the first welding point is welded on the second flat wall.

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