Packaging body based on mechanical design and space folding

Abstract

The invention discloses a packaging body based on mechanical design and space folding, belongs to the field of packaging, and provides a packaging body based on mechanical design and space folding in order to overcome the defects that most card bags sold in the market have the hidden danger of falling off, are high in manufacturing cost and are prone to deformation and wrinkling. The first cover and the second cover are folded and sewn to form a cavity; the winding belt is further provided with a first connecting hole, a second connecting hole and a third connecting hole, the third connecting hole is located in the lower portion of the winding belt, after the winding belt sequentially penetrates through the second belt penetrating hole and the first belt penetrating hole, the top end of the winding belt can extend upwards, and in the state, the winding belt penetrates through the second belt penetrating hole and the first belt penetrating hole. The first connecting hole and the second connecting hole are located in the two sides of the third connecting hole respectively. Risks of falling off and loosening can be greatly reduced, the manufacturing process is simple, and deformation and wrinkles are avoided after long-term use.

Description

Technical Field

[0001] The invention belongs to the field of packaging, in particular to the technology of packaging sheet objects. Background Art

[0002] With the development of smart technology, more and more "keys" are in the form of cards. For example, smart keys for new energy vehicles are often provided to car owners in the form of cards. Such cards need to be carried around and used frequently. In order to facilitate carrying, car owners often buy card bags, which are used to hold cards and can be connected to key rings or wristbands.

[0003] The first technical problem: most of the card holders sold on the market have the risk of falling off. For example, those connected by snaps have the risk of detachment; those connected by screws and nuts have the risk of nut falling off; those connected by melt pressing have the risk of loosening; and those connected by rope tying have the risk of loosening at the beginning.

[0004] The second technical problem is that the manufacturing of many types of card holders requires multiple steps, which is cumbersome and increases the manufacturing cost. The market needs a card holder that greatly reduces the risk of loosening and has a simple manufacturing process.

[0005] The third technical problem: Many card holders are prone to deformation and wrinkling after long-term use due to uneven force, and are no longer beautiful. Summary of the invention

[0006] In order to overcome the shortcomings of the prior art, the present invention proposes: a packaging body based on mechanical design and spatial folding, comprising a first cover, a second cover, the first cover, the second cover and the winding belt are made of the same piece of flexible material without splicing, and the first cover and the second cover are folded and sewn to form a cavity;

[0007] A second belt threading hole is provided on the upper part of the first cover.

[0008] The wrapping tape is located on the upper part of the second cover and is in the shape of a tape.

[0009] A first belt-through hole is provided at the upper part of the second cover and the lower part of the winding belt. After the first cover and the second cover are folded in half, the first belt-through hole and the second belt-through hole form a through hole for the winding belt to pass through.

[0010] The winding belt is also provided with a first connecting hole, a second connecting hole, and a third connecting hole. The third connecting hole is located at the lower part of the winding belt. After the winding belt passes through the second belt threading hole and the first belt threading hole in sequence, the top end of the winding belt can extend upward, and in this state, the first connecting hole and the second connecting hole are separated on both sides of the third connecting hole.

[0011] Furthermore, the widths of the first belt threading hole and the second belt threading hole are both smaller than the width of the winding belt, and the winding belt is provided with a limiting shaping groove. After the winding belt passes through the second belt threading hole and the first belt threading hole in sequence, the limiting shaping groove is used to embed the first cover and the second cover, and the first connecting hole and the second connecting hole are separated on both sides of the limiting shaping groove, and the distances between the first connecting hole and the second connecting hole and the limiting shaping groove are equal.

[0012] Furthermore, there are two limiting shaping grooves, which are located on both sides of the winding belt and are symmetrically arranged.

[0013] Furthermore, an extension piece is provided at the top of the first cover, and the extension piece and the first cover are formed from the same piece of flexible material without being spliced ​​together.

[0014] Furthermore, the extension piece is provided with a fourth connection hole, and the first connection hole, the second connection hole, the third connection hole, and the fourth connection hole penetrate through.

[0015] Furthermore, it also includes a metal ring for passing through the first connecting hole, the second connecting hole, the third connecting hole, and the fourth connecting hole.

[0016] Furthermore, after being folded in half, the shape formed by the seam line on the first cover or the second cover is L-shaped.

[0017] Furthermore, the distance from the first connecting hole to the limiting shaping groove is equal to the distance from the second connecting hole to the limiting shaping groove, and is also equal to the distance from the fourth connecting hole to the second belt threading hole.

[0018] The invention can greatly reduce the risk of falling off and loosening, has a simple manufacturing process, and does not deform or wrinkle after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 : Schematic diagram of the structure of the present invention.

[0020] Figure 2 , actual photos of the present invention.

[0021] Figure 3 , actual photos of the present invention.

[0022] Figure 4 , actual photos of the present invention.

[0023] Figure 5 , a partial photo of the actual object of the present invention.

[0024] In the figure: 1-first cover, 2-second cover, 3-winding belt, 4-first belt threading hole, 5-second belt threading hole, 6-first connecting hole, 7-second connecting hole, 8-third connecting hole, 9-sewing line, 10-folding line, 11-limiting shaping groove, 12-fourth connecting hole, 13-extension piece, 14-transition part. DETAILED DESCRIPTION

[0025] See attached Figure 1 , is a schematic diagram of the structure of the present invention. A packaging body based on mechanical design and spatial folding includes a first cover 1 and a second cover 2. The first cover 1, the second cover 2 and the winding belt 3 are made of the same piece of flexible material without splicing. In this embodiment, cowhide is used as the flexible material. The first cover 1 and the second cover 2 are folded and sewn to form a cavity, and this cavity is used to place cards.

[0026] A second belt hole 5 is provided on the upper part of the first cover 1 . The belt 3 is located on the upper part of the second cover 2 . The belt 3 is in a belt shape and can be wound around or curled.

[0027] A first belt threading hole 4 is provided at the upper part of the second cover 2 and the lower part of the winding belt 3. After the first cover 1 and the second cover 2 are folded in half, the first belt threading hole 4 and the second belt threading hole 5 form a through hole for the winding belt 3 to pass through. The so-called through hole can also be called: alignment.

[0028] The winding belt 3 is also provided with a first connecting hole 6, a second connecting hole 7, and a third connecting hole 8. The third connecting hole 8 is located at the lower part of the winding belt 3, and the first connecting hole 6 is located at the upper part of the winding belt 3. A second connecting hole 7 is provided between the first connecting hole 6 and the third connecting hole 8. After the winding belt 3 passes through the second belt threading hole 5 and the first belt threading hole 4 in sequence, the top end of the winding belt 3 can extend upward, and in this state, the first connecting hole 6 and the second connecting hole 7 are separated on both sides of the third connecting hole 8.

[0029] Furthermore, the widths of the first belt threading hole 4 and the second belt threading hole 5 are both smaller than the width of the winding belt 3, and the winding belt 3 is provided with a limiting shaping groove 11. After the winding belt 3 passes through the second belt threading hole 5 and the first belt threading hole 4 in sequence, the limiting shaping groove 11 is used to embed the first cover 1 and the second cover 2, and the first connecting hole 6 and the second connecting hole 7 are separated on both sides of the limiting shaping groove 11, and the first connecting hole 6 and the second connecting hole 7 are at equal distances from the limiting shaping groove 11.

[0030] Furthermore, there are two limiting shaping grooves 11 , which are located on both sides of the winding belt 3 and are symmetrically arranged.

[0031] If there is no limiting shaping groove 11, wrinkles will easily form on the winding belt 3 after passing through the first belt hole 4 and the second belt hole 5, and the distance between the winding belt 3 and the first belt hole 4 and the second belt hole 5 may change, which will easily lead to deformation of the first cover 1, the second cover 2 and the winding belt 3, which is not beautiful.

[0032] Furthermore, an extension piece 13 is provided at the top of the first cover 1, and the extension piece 13 is located above the second strap hole 5, and the extension piece 13 and the first cover 1 are made of the same piece of flexible material without splicing. The role or effect of the extension piece 13 is: the second strap hole 5 is close to the top of the first cover 1, so after a long time of use, there is a risk of breakage above the second strap hole 5. Therefore, providing an extension piece 13 can increase the strength and reduce the risk of breakage.

[0033] Furthermore, the extension piece 13 is provided with a fourth connection hole 12 , and the first connection hole 6 , the second connection hole 7 , the third connection hole 8 , and the fourth connection hole 12 pass through.

[0034] Further, it also includes a metal ring for passing through the first connection hole 6, the second connection hole 7, the third connection hole 8, and the fourth connection hole 12. With this metal ring, the opening of the device can be firmly locked, and the metal ring can be conveniently connected to a key bag or a key chain.

[0035] After being folded in half, the shape formed by the stitching line 9 on the first cover 1 or the second cover 2 is L-shaped. The card is usually rectangular, so the device only needs to stitch the L-shape to achieve the function of loading the card.

[0036] The metal ring directly hangs the second cover 2. If there is no fourth connection hole 12, the metal ring cannot directly hang the first cover 1. After long-term use, the first cover 1 will be deformed, especially around the second belt hole 5, forming wrinkles, which is not beautiful. Therefore, the fourth connection hole 12 plays an important role in keeping the device from deforming during long-term use.

[0037] The method of using the present invention is as follows: first, a sheet of flexible material, such as leather, is cut in one manufacturing process without splicing. It can be stamped or laser cut. Such a design greatly reduces the manufacturing process. Then, it is folded along the fold line 10. It should be noted that the fold line 10 is not an actual component of the present device. After folding, the two edges are sewn together so that the first cover 1 and the second cover 2 form a cavity for accommodating the card.

[0038] Next, let the end of the winding tape 3 extend into the second belt threading hole 5, and then pass through the first belt threading hole 4. Then, let the end of the winding tape 3 face upward. At this time, the first connecting hole 6, the second connecting hole 7, the third connecting hole 8, and the fourth connecting hole 12 are penetrated. Then, a metal ring is passed through the penetrated hole to complete the packaging of the card.

[0039] It should be noted that, further, the distance from the first connecting hole 6 to the limiting shaping groove 11 is equal to the distance from the second connecting hole 7 to the limiting shaping groove 11, and is also equal to the distance from the fourth connecting hole 12 to the second belt threading hole 5. It is very important that these three distances are equal. Because of this design, the force can be evenly applied, and the device can be used for a long time without deformation or wrinkles, thereby maintaining a good shape for a long time. The limiting shaping groove 11 is a gap set in the winding belt 3. The gap can clamp the first cover 1 and the second cover 2, and the winding belt 3 does not shift, making the winding belt 3 not easy to deform. If the winding belt 3 shifts, the first cover 1 and the second cover 2 are easily deformed under the action of friction, because the device is usually made of leather, and without the limiting shaping groove 11, it is difficult for the winding belt 3 to return to the appropriate position. It should be noted that the friction is generated by the winding belt 3 and the first belt threading hole 4 and the second belt threading hole 5. Because the device is made of the same piece of leather without any joints, it needs to be folded and sewn. For the convenience of explanation, the present application uses the expressions such as folding line 10 and sewing line 9. In fact, the folding line 10 and sewing line 9 are not components of the device. Those skilled in the art should know that a strong thread is needed to sew the first cover 1 and the second cover 2 along the sewing line 9.

[0040] The portion of the first cover 1 and the second cover 2 excluding the stitching line 9 is called the effective cover, or the area surrounded by the stitching line is called the effective cover, the wrapping belt 3 is located in the middle position of the effective cover of the second cover 2, the extension piece 13 is located in the middle position of the effective cover of the first cover 1, and the first connecting hole 6, the second connecting hole 7, the third connecting hole 8, and the first perforated belt are located in the same straight line, which is parallel to the folding line 10.

[0041] In order to make the wrapping tape 3 stronger and less likely to break from the second cover 2, a transition portion 14 may be provided. The width of the first and second threading holes 4 and 5 is the same and equal to the width of the wrapping tape 3 at the position where the limiting shaping groove 11 is located.

[0042] Figure 2 , Figure 3 , Figure 4 , Figure 5 All of them are photos of the real objects or photos of parts of the real objects of the present invention. Whether the above real photos are presented or not does not affect the protection scope of the present invention.

[0043] The present invention solves three technical problems at the same time: 1. The manufacturing process is simple, and only one stamping is required to complete the material preparation. 2. The risk of loosening is greatly reduced, and the card will not fall out in the device, and the device is easy to connect with a key ring or a wristband, and the device itself is not easy to fall off. 3. The rigorous mechanical design enables the device to be used for a long time without deformation or wrinkles, and maintains its beauty.

Claims

1. A packaging body based on mechanical design and spatial folding, comprising a first cover and a second cover, characterized in that: The first cover, the second cover and the winding belt are made of the same piece of flexible material without being spliced ​​together, and the first cover and the second cover are folded in half and sewn together to form a cavity; A second belt threading hole is provided on the upper part of the first cover. The wrapping tape is located on the upper part of the second cover and is in the shape of a tape. A first belt-through hole is provided at the upper part of the second cover and the lower part of the winding belt. After the first cover and the second cover are folded in half, the first belt-through hole and the second belt-through hole form a through hole for the winding belt to pass through. The winding belt is also provided with a first connecting hole, a second connecting hole, and a third connecting hole. The third connecting hole is located at the lower part of the winding belt. After the winding belt passes through the second belt threading hole and the first belt threading hole in sequence, the top end of the winding belt can extend upward, and in this state, the first connecting hole and the second connecting hole are separated on both sides of the third connecting hole.

2. A packaging body based on mechanical design and spatial folding as claimed in claim 1, characterized in that: The widths of the first belt threading hole and the second belt threading hole are both smaller than the width of the winding belt, and the winding belt is provided with a limiting shaping groove. After the winding belt passes through the second belt threading hole and the first belt threading hole in sequence, the limiting shaping groove is used to embed the first cover and the second cover. The first connecting hole and the second connecting hole are separated on both sides of the limiting shaping groove, and the first connecting hole and the second connecting hole are at equal distances from the limiting shaping groove.

3. A packaging body based on mechanical design and spatial folding as claimed in claim 2, characterized in that: The number of the limiting shaping grooves is two, and the two limiting shaping grooves are located on both sides of the winding belt and are symmetrically arranged.

4. The packaging body based on mechanical design and spatial folding as claimed in claim 1, characterized in that: An extension piece is also arranged at the top end of the first cover, and the extension piece and the first cover are formed from the same piece of flexible material without being spliced ​​together.

5. A packaging body based on mechanical design and spatial folding as claimed in claim 4, characterized in that: The extension piece is provided with a fourth connection hole, and the first connection hole, the second connection hole, the third connection hole and the fourth connection hole penetrate through.

6. The packaging body based on mechanical design and spatial folding as claimed in claim 1, characterized in that: It also includes a metal ring for passing through the first connecting hole, the second connecting hole, the third connecting hole, and the fourth connecting hole.

7. The packaging body based on mechanical design and spatial folding as claimed in claim 1, characterized in that: After being folded in half, the shape formed by the seam line on the first cover or the second cover is L-shaped.

8. The packaging body based on mechanical design and spatial folding as claimed in claim 5, characterized in that: The distance from the first connecting hole to the limiting shaping groove is equal to the distance from the second connecting hole to the limiting shaping groove, and is also equal to the distance from the fourth connecting hole to the second belt threading hole.

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