Counter-locking bolt formed by splicing metal sheets

Abstract

The utility model discloses a pair-locking bolt in a metal sheet splicing form, a bolt rod is formed by mutually and vertically splicing two rod body sheets, and two ends of each rod body sheet are respectively provided with a splicing sheet; the bolt head is formed by bending a first wafer and a second wafer, the first wafer is provided with an insertion hole matched with the insertion piece, the edge of the second wafer is provided with a plurality of partition grooves, the area clamped by the adjacent partition grooves forms a bent part, the bent part can be bent to form a spherical surface shape, the second wafer is bent to be attached to the first wafer, and therefore the bolt head can be fixed to the first wafer. And the spherical bolt head is formed. According to the utility model, the bolt rod and the bolt head are formed by splicing the metal sheets and can be integrated on one metal sheet, so that the manufacturing process and the product package are simplified. And moreover, different patterns can be conveniently manufactured on the surface of the bolt head through etching, laser and other processes, the process is simple, the cost is low, and personalized customization is easy to realize.

Description

TECHNICAL FIELD

[0001] The utility model relates to locking device technical field, concretely relates to a pair of lock bolt of metal sheet assembly form. BACKGROUND

[0002] The pair of lock bolt locking device is used for connecting two or more components. In the folding fan product, the tail end of each fan unit (fan bone) is connected together through the pair of lock bolt, so that the opening or closing of the fan is realized.

[0003] In the existing folding fan product, the pair of lock bolt usually adopts the solid structure, is applied to the metal assembly process product, and has the following defects:

[0004] First, the components of the metal assembly process product are in the form of metal sheet, are integrated on a piece of metal sheet material, cannot integrate the pair of lock bolt of solid structure, the supporting production pair of lock bolt is complex, and the overall packaging of the product is also not convenient.

[0005] Second, the surface pattern of the pair of lock bolt is complex in manufacturing process, is high in cost, and is not convenient for random customization. INVENTION CONTENTS

[0006] In view of the above defects, the technical problem to be solved by the utility model is to provide a pair of lock bolt of metal sheet assembly form, to solve the problems of the pair of lock bolt and the surface pattern of the pair of lock bolt in the prior art, which are complex in manufacturing process and high in cost.

[0007] Therefore, the application provides a pair of lock bolt of metal sheet assembly form, which comprises a bolt rod and a bolt head arranged at both ends of the bolt rod, the bolt rod is composed of two pieces of rod body sheet materials that are perpendicularly inserted into each other, and both ends of the rod body sheet material are respectively provided with an insertion piece; the bolt head is formed by bending a first circular sheet and a second circular sheet, the edges of the first circular sheet and the second circular sheet are connected through a strip-shaped connecting part; the first circular sheet is provided with an insertion hole matched with the insertion piece, the insertion piece is inserted into the insertion hole and is fixed by bending, the edges of the second circular sheet are provided with a plurality of radial division grooves, the area clamped by adjacent division grooves forms a bending part, the bending part can be bent to form a spherical surface, and the second circular sheet is bent to be attached to the first circular sheet to form the bolt head with a spherical surface.

[0008] Based on the above technical scheme, the bolt rod and the bolt head in the application are both composed of metal sheet materials and can be integrated on a piece of metal sheet material, so that the manufacturing process and product packaging are simplified. Moreover, the bolt head is formed by bending the sheet material, and different patterns can be easily made on the planar sheet material through etching, laser and other processes, so that the pattern manufacturing process is simple, the cost is low, and the demand for individual customization can be easily realized.

[0009] In the technical scheme, preferably, the rod body sheet is in a strip shape as a whole, two ends of the rod body sheet are respectively provided with notches, two side walls of the notches form the insertion pieces, a middle part of the rod body sheet is provided with an insertion slot, one end of the insertion slot is communicated with the notches, and the two rod body sheets are inserted into each other through the insertion slot to form the bolt rod. The insertion is easy to operate, and after the insertion pieces are bent and fixed, the structure is reliable.

[0010] In the technical scheme, preferably, the diameter of the second circular sheet is greater than that of the first circular sheet. It is easier to bend to form a spherical shape.

[0011] In the technical scheme, preferably, the split groove is a V-shaped groove, and an opening end of the V-shaped groove is communicated with the edge of the second circular sheet. The bending parts are seamlessly connected in the circumferential direction, and the whole is beautiful and convenient to bend and form.

[0012] In the technical scheme, preferably, the number of the V-shaped grooves is four.

[0013] In the technical scheme, preferably, the material of the rod body sheet and the bolt head is brass or stainless steel.

[0014] According to the technical scheme, the metal sheet assembled counter lock bolt provided by the utility model solves the problems of complex manufacturing process and high cost of the surface pattern of the counter lock bolt in the prior art. Compared with the prior art, the utility model has the following beneficial effects:

[0015] The bolt rod and the bolt head are both assembled by metal sheets, can be integrated on one metal sheet, and simplify the manufacturing process and product packaging. Moreover, different patterns can be conveniently made on the surface of the bolt head through etching, laser and other processes, the process is simple, the cost is low, and personalized customization is easy to realize. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical schemes in the prior art, the following will briefly introduce and describe the drawings needed to be used in the description of the embodiments of the utility model or the prior art. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0017] Figure 1 The schematic diagram of the metal sheet assembled counter lock bolt provided by the utility model is shown in the figure.

[0018] Figure 2 The exploded structural schematic diagram of the metal sheet assembled counter lock bolt is shown in the figure. Figure 1

[0019] ​Figure 3 is a schematic view of the rod body sheet in the utility model;

[0020] Figure 4 is a schematic view of the bolt head sheet in the utility model;

[0021] Figure 5 is a schematic view of the bolt rod assembly in the utility model;

[0022] Figure 6 is a schematic view of the bolt rod and the first circular sheet assembly in the utility model;

[0023] Figure 7 is a schematic view of the bending part bent into an arc shape in the utility model;

[0024] Figure 8 is a schematic view of the bolt rod and the first circular sheet fixed in the utility model;

[0025] Figure 9 、 Figure 10 is a schematic view of the bolt head formed into a spherical shape in the utility model.

[0026] Figures 1-10 In the utility model, the corresponding relationship of the parts is as follows:

[0027] The bolt rod 10, the bolt head 20;

[0028] The rod body sheet 11, the notch 12, the insertion sheet 13, the insertion slot 14;

[0029] The first circular sheet 21, the second circular sheet 22, the strip-shaped connecting part 23, the insertion hole 24, the V-shaped slot 25, the bending part 26. DETAILED DESCRIPTION

[0030] The technical solutions of the embodiments of the utility model will be described clearly and completely in combination with the drawings of the embodiments of the utility model. Obviously, the following described embodiments are only some of the embodiments of the utility model, but not all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] In order to make the technical solutions and the embodiments of the utility model clearer and more understandable, the following introduces several preferred specific embodiments for realizing the technical solutions of the utility model.

[0032] It should be noted that the orientation words such as "inner, outer", "front, back" and "left, right" in this paper are described based on the product use state as the reference object. Obviously, the use of the corresponding orientation words does not constitute a limitation on the protection scope of the scheme.

[0033] AsFigure 1 、 Figure 2 As shown in FIG. 1 and FIG. 2, the utility model provides a kind of counter locking bolt of metal sheet assembly form, including bolt shank 10 and the bolt head 20 being set in the both ends of bolt shank 10.

[0034] Bolt shank 10 is mutually perpendicular and is inserted by two pieces of stem sheet material 11.It is as shown in FIG. 3, stem sheet material 11 is overall strip-shaped, and is equipped with notch 12 at two ends respectively, and the two side walls of notch 12 form insertion piece 13, and the middle part of stem sheet material 11 is equipped with insertion slot 14, and one end of insertion slot 14 is communicated with notch 12.Two pieces of stem sheet material 11 can be mutually inserted by insertion slot 14 to form bolt shank 10. Figure 3 As shown in FIG. 4, bolt head 20 is initially sheet-shaped, that is, bolt head sheet material is formed by first circular sheet 21 and second circular sheet 22, and the edge of first circular sheet 21 and second circular sheet 22 is connected by strip-shaped connecting portion 23.

[0035] Figure 4 As shown in FIG. 5, four strip-shaped insertion holes 24 are arranged on first circular sheet 21 in circumferential direction, and four insertion holes 24 are respectively matched with four insertion pieces 13, and insertion piece 13 is inserted into insertion hole 24 and is fixed by bending.

[0036] The diameter of second circular sheet 22 is greater than that of first circular sheet 21, and a plurality of radial division grooves are formed in the edge of second circular sheet 22, and the area between adjacent division grooves forms bending portion. In the embodiment, the division groove is V-shaped groove 25, the opening end of V-shaped groove 25 is communicated with the edge of second circular sheet 22, and the area between adjacent V-shaped grooves 25 forms bending portion 26. The bending portion 26 can be bent to form a spherical surface, and the second circular sheet 22 is bent and attached to the first circular sheet 21 to form a spherical bolt head 20. The number of V-shaped grooves 25 can be three or more, for example, four V-shaped grooves 25 are provided in the embodiment.

[0037] In the application, the bolt head 20 is formed by bending sheet material. Since different patterns can be easily made on the plane sheet material by etching, laser and other processes, the pattern making process is simple, low in cost and easy to realize personalized customization.

[0038] The utility model provides a kind of counter locking bolt of metal sheet assembly form, and the assembly process is as follows:

[0039] As shown in FIG. 6, two pieces of stem sheet material 11 are mutually inserted by insertion slot 14 to form bolt shank 10.

[0040] As shown in FIG. 7, the edge of first circular sheet 21 and second circular sheet 22 is connected by strip-shaped connecting portion 23, and the edge of second circular sheet 22 is bent to form a spherical surface. Figure 5 As shown in FIG. 8, the edge of second circular sheet 22 is bent to form a spherical surface, and the second circular sheet 22 is bent and attached to the first circular sheet 21 to form a spherical bolt head 20.

[0041] Figure 6 ​​As shown, the insertion tabs 13 at both ends of the bolt rod 10 are inserted into the insertion holes 24 on the first disc 21, and one end needs to be assembled after insertion into the product when assembled with the product.

[0042] Third step, as shown in the figure, the insertion tabs 13 are respectively bent 90 degrees and attached to the first disc 21, so that the bolt rod 10 is fixed with the first disc 21. Figure 8

[0043] Fourth step, as shown in the figure, the bent portions 26 are respectively bent into arc shapes, and the adjacent V-shaped grooves 25 are attached to form a spherical surface. Figure 7

[0044] Fifth step, as shown in the figure, Figure 9 Figure 10 The second disc 22 is bent 180 degrees, the outer edge of the bent portion 26 is attached to the first disc 21, forming a cavity, covering the insertion tabs 13, and forming a spherical bolt head 20.

[0045] Compared with the prior art, the metal sheet assembled counter locking bolt has the following advantages:

[0046] First, the bolt rod and the bolt head of the counter locking bolt are both assembled from metal sheets, which can be integrated on a metal sheet, simplifying the manufacturing process and product packaging.

[0047] Second, the bolt head is formed by bending the sheet, and different patterns can be easily made on the flat sheet by etching, laser, etc. Therefore, the pattern manufacturing process is simple, the cost is low, and individual customization is easy to achieve.

[0048] Finally, it should be noted that the terms "include", "contain" or any other variation thereof used in this text are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment. Without more limitations, the element defined by the statement "includes one…" does not exclude the presence of another identical element in the process, method, article or equipment including the element.

[0049] The utility model is not limited to the above best embodiment, anyone should know that the structural change made under the inspiration of the utility model, any technical solution with the same or similar to the utility model falls within the protection scope of the utility model.​​​

Claims

1. A pair of locking bolts in the form of sheet metal assembly, comprising a bolt shank and a bolt head arranged at both ends of the bolt shank, characterized in that: the bolt shank is composed of two pieces of shank sheet materials which are perpendicularly assembled with each other, both ends of the shank sheet materials are respectively provided with an insertion piece; the bolt head is formed by bending a first circular sheet and a second circular sheet, edges of the first circular sheet and the second circular sheet are connected through a strip-shaped connecting part; the first circular sheet is provided with an insertion hole which is matched with the insertion piece, the insertion piece is inserted into the insertion hole and is fixed by bending, edges of the second circular sheet are provided with a plurality of radial division grooves, adjacent division grooves form a bending part, the bending part can be bent to form a spherical surface, the second circular sheet is bent to be matched with the first circular sheet, and the bolt head with a spherical surface is formed.

2. A pair of locking bolts in the form of sheet metal assembled according to claim 1, characterized in that the shank sheet material is in the form of a long strip as a whole, both ends of the shank sheet material are respectively provided with a notch, two side walls of the notch form the insertion piece, a middle part of the shank sheet material is provided with an insertion slot, one end of the insertion slot is communicated with the notch, and two pieces of the shank sheet materials are inserted into each other through the insertion slot to form the bolt shank.

3. A pair of locking bolts in the form of sheet metal assembled according to claim 1, characterized in that the diameter of the second circular sheet is greater than that of the first circular sheet.

4. A pair of locking bolts in the form of sheet metal assembled according to claim 1, characterized in that the division groove is a V-shaped groove, and an opening end of the V-shaped groove is communicated with the edge of the second circular sheet.

5. A pair of locking bolts in the form of sheet metal assembled according to claim 4, characterized in that the number of the V-shaped grooves is four.

6. A pair of locking bolts in the form of sheet metal assembled according to claim 1, characterized in that the material of the shank sheet material and the bolt head is brass or stainless steel.

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