TW202005416A - Fixing structure and neck strap thereof - Google Patents

Abstract

A neck strap including at least one flexible circuit board, at least two fixing structures, a positioning element, a protecting layer, and a supporting element is provided. The at least two fixing structures are disposed on two opposite ends of the at least one flexible circuit board and has a housing. The positioning element is disposed in the housing and a through groove is formed between the housing and the positioning element. The protecting layer is at least partially sleeved around the supporting element, the at least one flexible circuit board, and the at least two fixing structures. The supporting element is disposed through the positioning element.

Description

Fixing structure and neck hanging strap body with same

The invention relates to a fixing structure and a neck strap with it, and in particular to a neck strap with reduced volume.

At present, most of the earphone neck hanging wires or wires of other electronic products on the market are buried in the rubber layer (RUBBER) with multiple sets of core wires, such as single core wires or multiple core wires, and each group of core wires must ensure that they are not in contact with each other. To avoid current short circuit. The existing method is to coat the outer periphery of each group of core wires with insulating material. However, the existing method of covering the core wire has the following disadvantages: 1. When the number of the core wire is large, the volume of the wire increases, which makes the cable management space in the electronic product insufficient and affects the assembly, and even changes the appearance of the electronic product to accommodate Wire. 2. The core wire needs to be coupled to the electronic product by welding, but the welding method has the disadvantages of long working hours and high probability of heavy industry.

The invention provides a fixing structure and a neck hanging belt body with the same, which can achieve the purposes of reducing volume, saving manufacturing time and reducing the probability of heavy industry.

A fixing structure of a neck-hanging belt body of the present invention includes a housing, and has an internal space, and the limiting member is disposed in the internal space of the housing. The penetration groove is formed in the internal space. An extension groove is formed between the limiting member and the housing for at least one flexible circuit board to penetrate.

In an embodiment of the present invention, the above-mentioned housing includes an upper cover and a lower cover. The upper cover and the lower cover are snap-fitted to each other, and an extension groove is formed between the limiting member and the lower cover.

In an embodiment of the present invention, the above-mentioned limiting member has a through hole for the support member to pass through and the support member is suspended in the housing, so that the support member is spaced apart from at least one flexible circuit board.

In an embodiment of the invention, the above-mentioned support member includes a memory metal.

In an embodiment of the invention, the above-mentioned limiting member is made of nylon.

In an embodiment of the present invention, the radial section of the above-mentioned extending groove defines a length toward both sides of the casing, and a width toward both ends of the casing, wherein the size of the length is greater than the width.

The neck strap of the present invention includes at least one flexible circuit board. At least two fixing structures are arranged at opposite ends of at least one flexible circuit board, and each fixing structure includes: the housing has an internal space; and a penetration groove is formed in the internal space for the at least one flexible circuit board to penetrate. The limiting member is disposed in the internal space of the housing, wherein the limiting member and the extending groove are arranged in parallel; the protective layer at least partially covers the limiting member, at least one flexible circuit board, and at least two fixing structures. The support member is threaded on the limit member.

In an embodiment of the present invention, the above-mentioned housing includes an upper cover and a lower cover. The upper cover and the lower cover are snap-fitted to each other. The stopper and the lower cover form a penetration groove, and the protective layer is wrapped on the opposite of the upper cover and the lower cover. Outside.

In an embodiment of the present invention, the above-mentioned limiting member has a through hole for the support member to pass through and the support member is suspended in the housing, so that the support member is spaced apart from at least one flexible circuit board.

In an embodiment of the invention, the above-mentioned protective layer is made of rubber, and is made through a hot pressing process and low-temperature vulcanization.

Based on the above, the neck strap of the present invention uses at least one flexible circuit board to replace the existing core wire. Due to the thinness of the flexible circuit board and the small space requirement, the overall volume of the neck strap is greatly reduced. When the neck strap is installed inside the electronic product, the appearance and cable management space of the electronic product are not affected. In addition, the flexible circuit board can adopt a plug-in coupling method, without using the existing wire welding method, and has the effect of saving man-hours and reducing the probability of heavy industry.

In order to make the above-mentioned features and advantages of the present invention more obvious and understandable, the embodiments are specifically described below in conjunction with the accompanying drawings for detailed description as follows.

FIG. 1A is a schematic top view of a neck strap according to an embodiment of the invention. FIG. 1B is a perspective view of the neck strap of FIG. 1A with the protective layer removed. FIG. 1C is a schematic diagram of the component assembly of the neck strap of FIG. 1A. FIG. 1D is an exploded view of the components of the neck strap of FIG. 1C. FIG. 1E is a schematic diagram of the deformation of the neck strap of FIG. 1A. 1A to 1C, the neck strap 100 of the present invention is suitable for being configured in a neck strap structure of a headset or other types of electronic products, and used as a transmission path for electrical signals. The neck strap 100 includes at least one flexible circuit board 110, a plurality of fixing structures 130, a limiting member 120, a protective layer 140, and a supporting member 150. The flexible circuit board 110 is made of a flexible material such as polyimide (PI) as a substrate, and has the characteristics of light weight, thin thickness, softness, and flexibility, and the flexible circuit board 110 transmits yellow light and etching The manufacturing process enables the copper foil on the substrate to form a desired circuit pattern, which is advantageous for miniaturizing the neck strap 100. In this embodiment, please refer to FIG. 1C and FIG. 1D together. A plurality of fixing structures 130 (two in FIG. 1A) are respectively disposed at opposite ends of at least one flexible circuit board 110.

In short, the two fixing structures 130 are adjacent to both ends of the at least one flexible circuit board 110. Each fixing structure 130 includes a housing 131 and a penetration groove G. The housing 131 has an internal space IS. In detail, the housing 131 includes an upper cover 131a and a lower cover 131b. The upper cover 131a and the lower cover 131b are engaged with each other and hold at least one flexible circuit board 110. The stopper 120 is disposed in the internal space IS of the housing 131. The limiting member 120 and the extending groove G are arranged in parallel with at least one flexible circuit board 110, and the extending member G and the casing 131 form an extending groove G. In this embodiment, the limiting member 120 is spaced in parallel with at least one flexible circuit board 110. In detail, the stopper 120 is made of fiber material or nylon material, for example, and has the characteristics of high temperature resistance and easy bending. In other embodiments, the limiter can also be attached to at least one flexible circuit board in parallel, depending on the manufacturing process and structural requirements.

Further, the radial cross-section of the extending groove G defines a length LA toward both sides of the casing, and a width SA toward both ends of the casing, wherein the length LA has a larger size than the width SA.

Please refer to FIG. 1D and FIG. 1E. In this embodiment, the limiting member 120 is penetrated through the two fixing structures 130, and the limiting member 120 and the two lower covers 131b form a penetration groove G for providing at least one flexibility The circuit board 110 penetrates and is limited to the housing 131. The limiting member 120 has a perforation P and has a guiding effect. In addition, the limiting member 120 of this embodiment is made of fiber material or nylon material, for example, and has the characteristics of high temperature resistance and easy bending.

The protective layer 140 is disposed outside the fixing structure 130 and covers part of the upper cover 131a and the lower cover 131b. The protective layer 140 at least partially covers the two housings 131 of the two fixing structures 130, the limiting member 120 and at least one flexible circuit board 110. Wherein, the two ends of the at least one flexible circuit board 110 protrude from the plurality of fixing structures 130 and the protective layer 140 respectively. In detail, there is a gap between the protective layer 140 and at least one flexible circuit board 110. In addition, the protective layer 140 is made of, for example, a rubber material and has the characteristics of easy bending, and is made through a hot pressing process and low-temperature vulcanization. After the hot pressing process, the protective layer 140 can be closely adhered to a plurality of fixing structures 130, limited The bit 132 and at least one flexible circuit board 110.

Further, the protective layer 140 further includes a plurality of fixing blocks 141, and is filled in the internal space IS of each housing 131. Each fixing block 141 is used to partially cover the limiting member 120 and is connected to the upper cover 131 a and the lower cover 132 a of the casing 131. In addition, the fixing block 141 is made of rubber, for example, and is made through a hot pressing process and low-temperature vulcanization. In short, the fixing block 141 is used to position the at least one flexible circuit board 110 and the limiting member 120 in the housing 131 of each fixing structure 130.

The supporting member 150 is penetrated through the through hole P of the limiting member 120 to guide the supporting member 150 to penetrate through the limiting member 120, and the supporting member 150 is suspended in the housing 131 so that the supporting member 150 is spaced apart by at least one flex Sexual circuit board 110. In addition, the supporting member 150 is, for example, a memory metal. Memory metal is an alloy material that can eliminate the deformation that occurs at a lower temperature after heating and return to the original shape before deformation. In this embodiment, the memory metal can be freely bent at a specific temperature (for example, normal temperature), thereby deforming at least one flexible circuit board 110, the limiting member 120, and the protective layer 140, as shown in the arc shape of FIG. 1E Appearance or other specific shapes.

Further, since the supporting member 150 is suspended in the housing 131, when the supporting member 150 penetrates through the through hole P of the limiting member 120 and bends, it is easier to drive the flexible circuit board 110, the supporting member 150 and the protective layer 140 produces a corresponding deformation.

In this embodiment, the number of the aforementioned at least one flexible circuit board 110 is two. In other embodiments, there may be at least one flexible circuit board. This number increases or decreases depending on the functional requirements of the electronic product. . The two flexible circuit boards 110 are respectively used to transmit different electrical signals. The neck strap 100 includes two adhesive layers 160 respectively disposed on the corresponding two flexible circuit boards 110. The two flexible circuit boards 110 are stacked on each other and connected as a whole through one of the adhesive layers 160. Further, the two ends of each flexible circuit board 110 respectively include two plug-in portions 111, and each plug-in portion 111 protrudes out of the corresponding fixing structure 130 and is suitable for electrically coupling to a corresponding electronic connector of an external electronic product or Electronic slot.

The manufacturing method of the neck strap of the present invention is described below. FIG. 2A to FIG. 2H are schematic diagrams of the manufacturing process of the neck strap of FIG. 1A.

Referring to FIGS. 2A and 2B, the limiting member 120 is made of fiber material or nylon material, and the auxiliary member 200 is inserted into the limiting member 120. Two flexible circuit boards 110 are manufactured by yellow light and etching process. Referring to FIG. 2C, a first adhesive layer 160 is attached to one of the flexible circuit boards 110. 2D, another flexible circuit board 110 is disposed on the first adhesive layer 160, the two flexible circuit boards 110 are stacked and connected to each other, and the second flexible layer 160 is attached to the other flexible circuit board 160 . Referring to FIG. 2E, the limiting member 120 that has penetrated into the auxiliary member 200 is disposed in parallel above the other flexible circuit board 160. Or, the limiting member 120 that has penetrated into the auxiliary member 200 is directly attached to the second adhesive layer 160 and connected to another flexible circuit board 160.

Next, referring to FIG. 2F and FIGS. 1B and 1D, a plurality of fixing structures 130 are respectively disposed outside the limiter 120 and the two flexible circuit boards 110 to accommodate the positioning limiter 120 and the opposite sides of the two flexible circuit boards 110 Both ends. In detail, the upper cover 131a and the lower cover 131b of each fixing structure 130 are engaged with each other and form an internal space IS for the flexible circuit board 110 and the limiting member 120 to penetrate and accommodate therein.

Referring to FIG. 2G, the rubber that has undergone the low-temperature vulcanization process as the protective layer 140 is disposed outside the plurality of fixing structures 130, and at least partially covers the limiter 120, the two flexible circuit boards 110, and each fixing structure 130. At the same time, the fixing block 141 of the protective layer 140 is filled in the internal space IS of the casing 131 and connected to the upper cover 131a and the lower cover 132a of the casing 131. The fixing block 141 is used to partially cover the limiter 120 and each flexible Circuit board 110. Wherein, the two ends of the auxiliary member 200 protrude outside the protective layer 140, the two ends of each flexible circuit board 110 respectively protrude outside the plurality of fixing structures 130, and the auxiliary member 200 is used to avoid the limiting member 120 and the two The flexible circuit board 110 and the protective layer 140 are deformed. In detail, the limiter 120, the two flexible circuit boards 110 and the protective layer 140 are maintained by the auxiliary member 200 to maintain a straight appearance.

Referring to FIG. 2G, the neck strap body 100 equipped with the auxiliary member 200 is sent to an external heating mold for the hot pressing process, and both ends of the auxiliary member 200 are used to be fixed in the heating mold to avoid the neck strap body An offset of 100. The protective layer 140 is hot-pressed by heating the mold, so that the protective layer 140 is deformed by heat and closely adhered to the plurality of fixing structures 130, the limiting member 120, and the two flexible circuit boards 110.

Please refer to FIG. 2H and FIG. 2A. After the auxiliary member 200 is extracted from the limiting member 120, the limiting member 120 has a perforation P. At this time, the neck strap 100 has been shown to be in a state where it can be flexibly deformed. With reference to FIGS. 1C and 1E, the supporting member 150 is, for example, a memory metal pierced through the through hole P of the limiting member 120 to guide the supporting member 150 to penetrate into the limiting member 120 and make the two ends of the supporting member 150 protrude It extends beyond the multiple fixed structures 130. Further, an external force is applied to the supporting member 150 to bend the neck strap 100 to form a neck strap shape, which is suitable for neck strap headphones. So far, the production of the neck strap 100 has been completed. In other embodiments, the memory metal can be deformed into a circle, a square, or any other shape at room temperature, so that the neck strap can be applied to various electronic products.

In summary, the neck strap of the present invention uses at least one flexible circuit board to replace the existing core wire. Due to the thinness of the flexible circuit board and the small space requirement, the overall volume of the neck strap is greatly increased reduce. When the neck strap is installed inside the electronic product, the appearance of the electronic product and the space for cable management are not affected. In addition, the flexible circuit board can adopt a plug-in coupling method, without using the existing core wire welding method, and has the effect of saving man-hours and reducing the probability of heavy industry.

Further, the neck strap body of the present invention includes a stopper for accommodating and guiding the installation of the memory metal, so that the neck strap body can be freely bent at a specific temperature and converted into a desired appearance shape, which can be applied For different electronic products.

Although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Any person with ordinary knowledge in the technical field can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of protection of the present invention shall be subject to the scope defined in the appended patent application.

100‧‧‧Neck hanging strap body 110‧‧‧Flexible circuit board 111‧‧‧Plug-in part 120‧‧‧‧Restriction member 130‧‧‧Fixed structure 131‧‧‧Case 131a‧‧‧Top cover 131b‧‧ ‧Lower cover 140‧‧‧Protection layer 141‧‧‧Fixed block 150‧‧‧Support 160 160‧‧‧ Adhesive layer 200‧‧‧Auxiliary part P‧‧‧Perforation G‧‧‧Length extension slot LA‧‧‧Length SA‧‧‧Width

FIG. 1A is a schematic top view of a neck strap according to an embodiment of the invention. FIG. 1B is a perspective view of the neck strap of FIG. 1A with the protective layer removed. FIG. 1C is a schematic diagram of the component assembly of the neck strap of FIG. 1A. FIG. 1D is an exploded view of the components of the neck strap of FIG. 1C. FIG. 1E is a schematic diagram of the deformation of the neck strap of FIG. 1A. 2A to 2H are schematic diagrams of the manufacturing process of the neck strap of FIG. 1A.

100‧‧‧Neck hanging strap body

110‧‧‧flexible circuit board

120‧‧‧Limiting parts

130‧‧‧Fixed structure

140‧‧‧Protective layer

150‧‧‧Support

Claims (13)

A fixing structure for a neck strap includes: a housing having an internal space, and a stopper disposed in the internal space of the housing; and a penetration groove formed in the internal space; wherein The extending groove is formed between the limiting member and the housing for the at least one flexible circuit board to penetrate. The fixing structure of the neck-hanging strap body as described in item 1 of the patent application scope, wherein the housing includes an upper cover and a lower cover, the upper cover and the lower cover are snap-fitted to each other, and the limiter is formed between the lower cover The piercing groove. The fixing structure of the neck strap as described in Item 1 of the patent application scope, wherein the limiting member has a perforation for a support member to pass through and the support member is suspended in the housing to space the support member from The at least one flexible circuit board. The fixing structure of the neck strap as described in Item 3 of the patent application range, wherein the support member includes a memory metal. The fixing structure of the neck strap as described in item 1 of the patent application scope, wherein the limiting member is made of nylon. The fixing structure of the neck strap according to item 1 of the patent application scope, wherein the radial section of the penetration groove defines a length toward both sides of the casing, and a width toward both ends of the casing, wherein the length Is larger than the width. A neck strap body includes: at least one flexible circuit board; at least two fixing structures disposed at opposite ends of the at least one flexible circuit board, and each fixing structure includes: a housing having an internal space; And a penetration groove formed in the internal space for the at least one flexible circuit board to penetrate; a limiter disposed in the internal space of the housing, wherein the limiter and the penetration groove In a parallel configuration; a protective layer at least partially covers the limiting member, the at least one flexible circuit board and the at least two fixing structures; and a support member penetrates the limiting member. According to the neck strap of claim 7, the support member includes a memory metal. According to the neck strap of claim 7, the casing includes an upper cover and a lower cover, the upper cover and the lower cover are snap-fitted to each other, the limiting member and the lower cover form the penetration groove, And the protective layer covers the opposite outer sides of the upper cover and the lower cover. The neck strap as described in Item 7 of the patent application range, wherein the limiting member has a perforation for the support member to pass through and the support member is suspended in the housing so that the support member is spaced from the at least one Flexible circuit board. The neck strap as described in item 7 of the patent application scope, wherein the protective layer is made of rubber and is made by a hot pressing process and low temperature vulcanization. The neck strap body as described in item 7 of the patent application scope, wherein the radial section of the penetration groove defines a length toward both sides of the shell and a width toward both ends of the shell, wherein the size of the length is greater than The size of the width. The neck strap as described in item 7 of the patent application scope, wherein the limiting member is made of nylon.

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