TWI854752B - Transmission structure - Google Patents

Abstract

The present invention discloses a transmission structure including a cable, a first connector with a first circuit board, a second connector with a second circuit board, and an adapter. The adapter includes a first insulating member and a plurality of conductive elements fixed to the first insulating member. The plurality of conductive elements includes a first conductive end, a second conductive end and a third conductive end. The first conductive end is in contact with the cable. The second conductive end is electrically connected to the first circuit board. The third conductive end is electrically connected to the second circuit board. In the transmission structure disclosed in the present invention, one cable is able to transmit power and/or data to multiple connectors through the adapter.

Description

Transmission structure

The present invention relates to a transmission structure, belonging to the field of data transmission technology.

The relevant transmission structure usually includes a cable, a USB male connector connected to one end of the aforementioned cable, and a certain type of connector connected to the other end of the aforementioned cable. The aforementioned certain type of connector may include a Lightning end connector, a Type-C end connector, a Micro-B end connector, etc. From its structure, it can be seen that this transmission structure can only connect devices with a specific interface type. When two or more devices need to be connected at the same time, or when devices with different interface types need to be connected, one transmission structure cannot meet the needs.

This invention claims the priority of the Chinese patent application with application date of March 8, 2023, application number 2023102476789, and invention creation name “Transmission Structure”, all contents of which are incorporated into this invention by reference.

The object of the present invention is to provide a transmission structure with multiple connection terminals. The transmission structure can transmit data and/or power to multiple devices at the same time.

To achieve the above-mentioned purpose, the present invention adopts the following technical solution: a transmission structure, which includes: a cable; a first connector having a first circuit board; a second connector having a second circuit board; and an adapter, the adapter including a first insulating member and a plurality of conductive elements fixed to the first insulating member, the plurality of conductive elements including a first conductive end, a second conductive end and a third conductive end; the first conductive end is in contact with and connected to the cable, the second conductive end is electrically connected to the first circuit board, and the third conductive end is electrically connected to the second circuit board.

As a further improved technical solution of the present invention, the aforementioned first insulating component is an injection molded component.

As a further improved technical solution of the present invention, the aforementioned adapter includes a conductive sheet; the aforementioned conductive sheet includes a first group of conductive sheets and a second group of conductive sheets; one end of the aforementioned first group of conductive sheets is the aforementioned first conductive end, and the other end of the aforementioned first group of conductive sheets is the aforementioned second conductive end; one end of the aforementioned second group of conductive sheets is the aforementioned third conductive end, and the other end of the aforementioned second group of conductive sheets is fixedly connected to the corresponding conductive sheet in the aforementioned first group of conductive sheets.

As a further improved technical solution of the present invention, the second conductive end is contacted and connected to the first pad of the first circuit board, and/or the third conductive end is contacted and connected to the second pad of the second circuit board.

As a further improved technical solution of the present invention, the first insulating member has a first outer surface and a first limiting protrusion; the first limiting protrusion protrudes outward from the first outer surface, and the first limiting protrusion defines a first docking space; the first circuit board is partially located in the first docking space.

As a further improved technical solution of the present invention, the aforementioned first limiting protrusion includes a first protrusion and a second protrusion arranged relatively to each other; the aforementioned first protrusion and the aforementioned second protrusion both have a "U"-shaped groove, and the notch of the aforementioned "U"-shaped groove of the aforementioned first protrusion is opposite to the notch of the aforementioned "U"-shaped groove of the aforementioned second protrusion.

As a further improved technical solution of the present invention, the first limiting protrusion further includes a third protrusion and a fourth protrusion; the third protrusion and the fourth protrusion are both located between the first protrusion and the second protrusion, and the third protrusion and the fourth protrusion are respectively located on both sides of the first circuit board.

As a further improved technical solution of the present invention, the first insulating member has a second outer surface and a fourth outer surface; the fourth outer surface extends perpendicularly to the second outer surface, and a groove is formed on the fourth outer surface, and the first conductive end extending outward from the second outer surface is accommodated in the groove.

As a further improved technical solution of the present invention, the first insulating member has a third outer surface and a second limiting protrusion; the second limiting protrusion protrudes outward from the third outer surface, and the second limiting protrusion defines a second docking space; the second circuit board is partially located in the second docking space.

As a further improved technical solution of the present invention, it also includes a protective shell; the protective shell covers the periphery of the adapter, part of the first connector and part of the second connector.

As a further improved technical solution of the present invention, the aforementioned protective shell is clamped on the first shielding shell of the aforementioned first connector, and/or, the aforementioned protective shell is clamped on the second shielding shell of the aforementioned second connector.

As a further improved technical solution of the present invention, it also includes a second insulating member; the second insulating member fills the space between the protective shell and the first connector, the second connector and the adapter; and the second insulating member covers part of the cable, part of the first connector, part of the second connector, at least part of the protective shell and the adapter, thereby connecting the cable, the first connector, the second connector, the protective shell and the adapter into one body.

As a further improved technical solution of the present invention, it also includes an insulating outer shell; the aforementioned insulating outer shell is coated on the periphery of the aforementioned second insulating component.

Compared with the prior art, in the transmission structure disclosed by the present invention, one cable is connected to a plurality of connectors via an adapter, so that one transmission structure can be connected to a plurality of devices.

The following will be described in detail with reference to the drawings for exemplary embodiments of the present invention. If there are multiple embodiments, the features of these embodiments can be combined with each other without conflict. When the description involves drawings, unless otherwise stated, the same numbers in different drawings represent the same or similar elements. The contents described in the following exemplary embodiments do not represent all embodiments consistent with the present invention; on the contrary, they are only examples of devices, products and/or methods described in the scope of the patent application of the present invention and consistent with some aspects of the present invention.

The terms used in the present invention are only for the purpose of describing specific embodiments and are not intended to limit the scope of protection of the present invention. The singular forms "a", "above", or "the" used in the specification and patent application of the present invention are also intended to include plural forms, unless the context clearly indicates other meanings.

It should be understood that the words used in the specification and patent application of the present invention, such as "first", "second" and similar words, do not indicate any order, quantity or importance, but are only used to distinguish the names of features. Similarly, "one" or "an" and similar words do not indicate quantitative limitations, but indicate the existence of at least one. Unless otherwise specified, the words "front", "back", "upper", "lower" and similar words appearing in the present invention are only for the convenience of explanation, and are not limited to a specific position or a spatial orientation. "Include" or "comprising" and similar words are an open-ended expression, meaning that the elements appearing before "include" or "comprising" cover the elements and their equivalents appearing after "include" or "comprising", which does not exclude that the elements appearing before "include" or "comprising" may also include other elements. If "plurality" appears in the present invention, its meaning refers to two and more than two.

In the figure, the A1-A1 direction, the A2-A2 direction, and the A3-A3 direction are perpendicular to each other. For ease of understanding, hereinafter, the A1-A1 direction will be described as the left-right direction, the A2-A2 direction will be described as the front-back direction, and the A3-A3 direction will be described as the up-down direction.

The present invention discloses a transmission structure 100. In the embodiment of the figure, the transmission structure 100 includes a cable 1, a first connector 2, a second connector 3 and an adapter 4.

Please refer to Figure 2 and Figure 3. The aforementioned cable 1 is a USB cable. One end of the aforementioned cable 1 is connected to a USB male connector (not shown), and the other end is connected to the aforementioned first connector 2 and the aforementioned second connector 3 via the aforementioned adapter 4.

The aforementioned cable 1 includes four cables, namely a positive power cable, a negative power cable, a first data cable, and a second data cable. This is publicly known information and will not be described in detail.

It should be understood that in other embodiments of the present invention, the aforementioned cable 1 may also be a cable of other specifications as long as it can be compatible with the connector.

Please refer mainly to Figures 1 to 5 and Figures 10 to 12. In the illustrated embodiment, the aforementioned first connector 2 is a connector with a Lightning end. The aforementioned second connector 3 is a connector with a Type-C end. Since both the Lightning connector and the Type-C connector are known connectors in the art, in order to better understand the present invention, the first connector 2 and the second connector 3 in the illustrated embodiment will be briefly introduced below.

12 , the first connector 2 includes a first shielding shell 21 , a through hole 22 penetrating the first shielding shell 21 , a contact assembly 23 disposed in the through hole 22 , and a first circuit board 24 electrically connected to a contact 232 in the contact assembly 23 .

The first shielding shell 21 includes a first surface 211 and a second surface 212. The first surface 211 and the second surface 212 are arranged opposite to each other. The through hole 22 penetrates the first shielding shell 21 along the A3-A3 direction, and further, a first opening 2111 is formed on the first surface 211, and a second opening 2121 is formed on the second surface 212. The first shielding shell 21 also has a docking groove (not shown). The docking groove extends along the A1-A1 direction. The docking groove penetrates the end surface of the first shielding shell 21 close to the first circuit board 24.

The first shielding shell 21 further includes a flange portion 213. Along the A1-A1 direction, one end of the first surface 211 and the second surface 212 extends to the flange portion 213, and the other end extends to the end of the transmission structure 100.

There are two contact assemblies 23, each of which includes a support member 231 and contacts 232 that are evenly arranged and partially exposed from the support member 231. The support member 231 provides support and an insulating environment for the contacts 232.

At the end position near the first shielding shell 21, one of the contact components 23 is installed in the first opening 2111. After installation, one end of the contact 232 in the contact component 23 is exposed to the outside air, and the other end faces the second opening 2121. Another contact component 23 is installed in the second opening 2121. After installation, one end of the contact 232 of the contact component 23 is exposed to the outside air, and the other end faces the first opening 2111.

The first circuit board 24 includes a first substrate 241, a first pad 242 disposed at one end of the first substrate 241, and a second pad (not shown) disposed at the opposite end of the first substrate 241. The first pad 242 and the second pad may be electrically connected to each other, for example, by traces formed on the first substrate 241.

The first circuit board 24 extends into the first shielding shell 21 through the docking groove. The opposite end of the first substrate 241 is located between the two contact assemblies 23. The contact 232 is welded to the second pad.

The first connector 2 further includes an electronic device portion 25. The electronic device portion 25 includes an electronic device electrically connected to the first circuit board 24 and a protective sealing material wrapped around the electronic device.

Please refer to Figures 10 and 11. The second connector 3 includes a second shielding shell 31, an insulating shell 32 received in a cavity of the second shielding shell 31, a conductive terminal 33 disposed in the cavity of the insulating shell 32, and a second circuit board 34 electrically connected to one end of the conductive terminal 33.

Similarly, the second circuit board 34 has a second substrate 341, a third pad 342 disposed at one end of the second substrate 341, and a fourth pad (not shown) disposed at the opposite end of the second substrate 341. The third pad 342 and the fourth pad may be electrically connected to each other, for example, by a trace formed on the second substrate 341.

10 , one end of the conductive terminal 33 is welded to the fourth pad.

Please refer to Figure 6 to Figure 9. The adapter 4 includes a first insulating member 41 and a conductive sheet 42.

The conductive sheet 42 includes a first group of conductive sheets 421 and a second group of conductive sheets 422. In the illustrated embodiment, the first group of conductive sheets 421 includes four conductive sheets extending substantially along the A1-A1 direction: a first conductive sheet 4211, a second conductive sheet 4212, a third conductive sheet 4213, and a fourth conductive sheet 4214.

In the illustrated embodiment, the first conductive sheet 4211 and the fourth conductive sheet 4214 located on the outside are connected to the positive power cable and the negative power cable, respectively. The third conductive sheet 4213 and the fourth conductive sheet 4214 located on the inside are connected to the first data cable and the second data cable, respectively.

The second group of conductive sheets 422 includes two conductive sheets extending substantially along the direction A2 - A2 : a fifth conductive sheet 4221 and a sixth conductive sheet 4222 .

In the illustrated embodiment, one end of the fifth conductive sheet 4221 is fixedly connected to the first conductive sheet 4211 to connect to the positive electrode of the power source. The other end of the fifth conductive sheet 4221 extends outward along the A2-A2 direction. In one embodiment of the present invention, the first conductive sheet 4211 and the fifth conductive sheet 4221 are integrally formed by cutting and bending a metal sheet.

One end of the sixth conductive strip 4222 is fixedly connected to the fourth conductive strip 4214 to connect to the negative electrode of the power source. The other end of the sixth conductive strip 4222 extends outward along the A2-A2 direction. In one embodiment of the present invention, the fourth conductive strip 4214 and the sixth conductive strip 4222 are integrally formed by cutting and bending a metal sheet.

In other embodiments of the present invention, the first conductive sheet 4211 and the fifth conductive sheet 4221 as well as the fourth conductive sheet 4214 and the sixth conductive sheet 4222 may also be fixed to each other by other methods, such as welding.

As shown in FIG. 8 , the sixth conductive sheet 4222 has an elevated section 4222a, an avoidance section 4222b, a fallback section 4222c, and an extended section 4222d that are connected to each other.

The elevated section 4222a extends along the A3-A3 direction, so that the avoidance section 4222b can extend above the first conductive sheet 4211, the second conductive sheet 4212, the third conductive sheet 4213 and the fourth conductive sheet 4214 to avoid short circuit or signal crosstalk due to contact with these conductive sheets.

The aforementioned falling section 4222c extends along the aforementioned A3-A3 direction so that the position of the aforementioned extending section 4222d and the aforementioned second connector 3 can be adapted in the A3-A3 direction (refer to FIG. 3 ).

It should be understood that in some embodiments, the aforementioned fallback section 4222c may not exist.

In the illustrated embodiment, the sixth conductive sheet 4222 further includes a connecting section 4222e extending between the falling section 4222c and the extending section 4222d. Similarly, in some embodiments, the connecting section 4222e may not exist. The existence of the falling section 4222c and the connecting section 4222e depends on the following factors: the positional relationship between the second connector 3 and the adapter 4, the position of the first set of conductive sheets 421 in the adapter 4, and the directions of the elevated section 4222a and the avoidance section 4222b.

The arrangement of the sixth conductive sheet 4222 provides the following inspiration: to avoid contact between conductive sheets, the conductive sheets can be separated in a three-dimensional space. This makes the structure of the adapter 4 more compact.

In the illustrated embodiment, the conductive sheet 42 is made of a metal sheet. The metal sheet is easy to bend, so that the matching position between the connector (the first connector 2 and the second connector 3) and the adapter 4 is easy to adjust.

The first insulating member 41 is an injection molded member, which is formed by injection molding. The first insulating member 41 after molding wraps a portion of the conductive sheet 42.

8 and 9 , the first insulating member 41 has a second outer surface 411 , a first outer surface 412 opposite to the second outer surface 411 , and a third outer surface 413 extending perpendicularly to the second outer surface 411 and the first outer surface 412 .

8 and 6 , one end of the first group of conductive sheets 421 extends out of the second outer surface 411 to form a first conductive end 4215 having a certain length.

The first insulating member 41 further includes a fourth outer surface 414, see Figures 8 and 9. The fourth outer surface 414 extends perpendicularly to the second outer surface 411. The fourth outer surface 414 is recessed downward to form a first groove 4141, a second groove 4142, a third groove 4143 and a fourth groove 4144 spaced apart from each other.

The four first conductive ends 4215 are respectively received in the first groove 4141, the second groove 4142, the third groove 4143 and the fourth groove 4144. The upper surfaces of the four first conductive ends 4215 are exposed to the outside air. The four cables in the cable 1 are respectively welded and fixed to the upper surfaces of the four first conductive ends 4215. Then, data or power is connected to the adapter 4.

The other end of the first set of conductive sheets 421 extends out of the first outer surface 412 to form a second conductive end 4216 with a certain length, see FIG. 6 and FIG. 8 .

As shown in FIG6 , each of the second conductive ends 4216 includes a first extension section 4216a, a first bent section 4216b, and a first free end 4216c. The first extension section 4216a extends outward from the first outer surface 412. The first bent section 4216b extends between the first extension section 4216a and the first free end 4216c. The first free end 4216c is connected to the first pad 242 of the first circuit board 24 via the first bent section 4216b.

In an embodiment of the present invention, the second conductive end 4216 is pressed against the first pad 242 by its own elastic force, thereby achieving electrical connection between the second conductive end 4216 and the first pad 242. In this embodiment, the manufacturing of the transmission structure 100 can be simplified to a certain extent.

In another embodiment of the present invention, the second conductive terminal 4216 is welded to the first pad 242, thereby realizing electrical connection between the second conductive terminal 4216 and the first pad 242. See Figures 4 and 5. In this embodiment, the connection between the second conductive terminal 4216 and the first pad 242 is more stable.

In this article, the aforementioned elastic pressure connection and welding connection are both contact connections (or direct connections).

As mentioned above, one end of the second group of conductive sheets 422 is fixedly connected to the corresponding conductive sheet in the first group of conductive sheets 421. Please refer mainly to Figures 4 to 6. The other end of the second group of conductive sheets 422 extends out of the third outer surface 413 to form a third conductive end 4223 with a certain length. The third conductive end 4223 includes a second extension section 4223a, a second bent section 4223b and a second free end 4223c. The second extension section 4223a extends outward from the third outer surface 413. The second bent section 4223b extends between the second extension section 4223a and the second free end 4223c. The second free end 4223c is connected to the third solder pad 342 of the second circuit board 34.

It should be understood that, for the fifth conductive sheet 4221, the third conductive end 4223 is a portion of the fifth conductive sheet 4221. For the sixth conductive sheet 4222, the third conductive end 4223 is at least a portion of the extending section 4222d.

In one embodiment of the present invention, the third conductive end 4223 is pressed against the third pad 342 by its own elastic force, thereby achieving electrical connection between the third conductive end 4223 and the third pad 342. It should be understood that in this embodiment, the manufacturing process of the transmission structure 100 will be relatively simplified.

In another embodiment of the present invention, the third conductive terminal 4223 is welded to the third pad 342, thereby realizing electrical connection between the third conductive terminal 4223 and the third pad 342. It should be understood that in this case, the connection between the third conductive terminal 4223 and the third pad 342 is more stable.

In the illustrated embodiment, the first group of conductive sheets 421 includes four conductive sheets, which are adapted to the aforementioned cable 1 and the aforementioned first connector 2. The aforementioned second group of conductive sheets 422 includes two conductive sheets, which are adapted to the second connector 3.

In other embodiments of the present invention, the first connector 2 may also be other types of connectors, such as a connector with a Type-C terminal, a connector with a Micro-B terminal, etc. When other types of connectors are used, it is only necessary to select the number and type of the conductive sheets 42 protruding from the first insulating member 41 according to the type of connector.

Similarly, in other embodiments of the present invention, the second connector 3 may also be other types of connectors, such as a connector with a Lightning end, a connector with a Micro-B end, etc. When other types of connectors are used, it is only necessary to select the number and type of the conductive sheets 42 protruding from the first insulating member 41 according to the type of connector.

See FIG. 9 . The first insulating member 41 further includes a first limiting protrusion 415 . The first limiting protrusion 415 protrudes outward from the first outer surface 412 . The first limiting protrusion 415 defines a first mating space 416 . The first circuit board 24 of the first connector 2 is partially located in the first mating space 416 .

When the transmission structure 100 is manufactured, the first circuit board 24 is partially inserted into the first docking space 416. The first limiting protrusion 415 can play a role of guiding and positioning. Specifically, the first limiting protrusion 415 can achieve positioning in the A2-A2 direction and the A3-A3 direction; the first outer surface 412 can achieve positioning in the A1-A1 direction.

In the illustrated embodiment, the first limiting protrusion 415 includes a first protrusion 4151 and a second protrusion 4152 that are arranged opposite to each other. The first protrusion 4151 and the second protrusion 4152 both have a "U"-shaped groove. Moreover, the "U"-shaped groove of the first protrusion 4151 and the "U"-shaped groove of the second protrusion 4152 are arranged opposite to each other (i.e., the notches are opposite to each other).

The first limiting protrusion 415 further includes a third protrusion 4153 and a fourth protrusion 4154 .

There are two third protrusions 4153 . The two third protrusions 4153 are distributed between the first protrusion 4151 and the second protrusion 4152 along the A2-A2 direction. The lower surface of the third protrusion 4153 faces the upper surface of the first circuit board 24 .

There are three fourth protrusions 4154 . The three fourth protrusions 4154 are distributed between the first protrusion 4151 and the second protrusion 4152 along the A2-A2 direction. The upper surface of the fourth protrusion 4154 faces the lower surface of the first circuit board 24 .

In order to facilitate the insertion of the first circuit board 24 into the first docking space 416 , each protrusion in the first limiting protrusion 415 may be chamfered.

The first insulating member 41 further includes a second limiting protrusion 417. The second limiting protrusion 417 protrudes outward from the third outer surface 413. The second limiting protrusion 417 defines a second mating space 418. The second circuit board 34 of the second connector 3 is partially located in the second mating space 418.

When the transmission structure 100 is manufactured, the second circuit board 34 is partially inserted into the second docking space 418. The second limiting protrusion 417 can play a guiding and positioning role. Specifically, the second limiting protrusion 417 can achieve positioning in the A2-A2 direction and the A3-A3 direction; the third outer surface 413 can achieve positioning in the A1-A1 direction.

In the illustrated embodiment, the second position-limiting protrusion 417 includes a fifth protrusion 4171 and a sixth protrusion 4172 that are disposed opposite to each other. The fifth protrusion 4171 and the sixth protrusion 4172 both have a "U"-shaped groove. Moreover, the "U"-shaped groove of the fifth protrusion 4171 and the "U"-shaped groove of the sixth protrusion 4172 are disposed opposite to each other.

The aforementioned second limiting protrusion 417 further includes a seventh protrusion 4173 and an eighth protrusion 4174 .

The seventh protrusion 4173 is provided in one piece. The seventh protrusion 4173 is located between the fifth protrusion 4171 and the sixth protrusion 4172. The lower surface of the seventh protrusion 4173 faces the upper surface of the second circuit board 34.

The eighth protrusion 4174 extends between the fifth protrusion 4171 and the sixth protrusion 4172, and both ends of the eighth protrusion 4174 are respectively connected to the fifth protrusion 4171 and the sixth protrusion 4172. The upper surface of the eighth protrusion 4174 faces the lower surface of the second circuit board 34.

In order to facilitate the insertion of the second circuit board 34 into the second docking space 418 , each protrusion in the second limiting protrusions 417 may be chamfered.

The first insulating member 41 provides fixed support, buffer protection (especially when the first insulating member 41 has a certain elasticity) and an insulating environment for the conductive sheet. The adapter 4 made of the first insulating member 41 and the conductive sheet 42, especially the conductive sheet 42 with elasticity (such as the conductive sheet 42 made of metal), has high transmission quality, good environmental adaptability, is not easily damaged by external forces, and has relatively low manufacturing costs.

The adapter 4 is directly connected to the first circuit board 24 and the second circuit board 34 via the conductive sheet 42. Compared with the connection using cables, this connection method has higher transmission quality and a more compact structure.

In the aforementioned embodiments of the present invention, a cable 1 connects two connectors: a first connector 2 and a second connector 3. In other embodiments of the present invention, a cable 1 may also connect multiple (here more than two) connectors. For example: the aforementioned transmission structure 100 further includes a third connector. The aforementioned third connector is located on the opposite side of the aforementioned second connector 3. Correspondingly, the aforementioned conductive sheet 42 further includes a third group of conductive sheets. One end of the aforementioned third group of conductive sheets is fixedly connected to the corresponding conductive sheets in the aforementioned first group of conductive sheets 421. The other end of the aforementioned third group of conductive sheets extends out of the aforementioned first insulating member 41 and is electrically connected to the aforementioned third connector.

When viewed along the A3-A3 direction, the first circuit board 24 and the second circuit board 34 may be located in the same plane or in different planes. It can also be expressed as: when viewed along the A3-A3 direction, the first connector 2 and the second connector 3 may be located in the same plane or in different planes.

In the embodiment shown in the foregoing text, the first limiting protrusion 415 and the second limiting protrusion 417 are located on different outer surfaces. In other embodiments of the present invention, the first limiting protrusion 415 and the second limiting protrusion 417 may also be located on the same outer surface.

When the first limiting protrusion 415 and the second limiting protrusion 417 are located on different outer surfaces, the overall structure will generally be more compact.

Please refer mainly to Figure 2, Figure 3 and Figure 14 to Figure 17. The transmission structure 100 further includes a protective shell 5.

In the illustrated embodiment, the protective housing 5 is a split protective housing, which includes a first housing 51, a second housing 52, a third housing 53 and a fourth housing 54.

The first shell 51 and the second shell 52 are interlocked with each other to cover the adapter 4 and a part of the outer side of the first connector 2. The third shell 53 and the fourth shell 54 are interlocked with each other to cover the adapter 4 and a part of the outer side of the second connector 3.

The first housing 51 includes a first main body 511 with a U-shaped cross section and a first abutting portion 512 with a U-shaped cross section. It should be understood that the U-shaped cross section here means that the main body of the first main body 511 is roughly U-shaped, and the main body of the first abutting portion 512 is roughly U-shaped.

The first abutting portion 512 is connected to one end of the first main body portion 511. The inner wall of the first abutting portion 512 abuts against the outer wall of the flange portion 213 of the first shielding shell 21, thereby achieving grounding.

The first housing 51 further includes a first positioning protrusion 513 , a first abutting portion 514 and a first positioning groove 515 .

The first positioning protrusion 513 is located in the middle area of the first housing 51. The first positioning protrusion 513 protrudes from the first main body 511 toward the second housing 52.

The first positioning groove 515 is also located in the middle area of the first housing 51. The first positioning groove 515 is recessed from the first main body 511 toward a direction away from the second housing 52.

The first positioning protrusion 513 and the first positioning groove 515 are respectively located at two opposite arms of the “U”-shaped first main body 511 .

The first abutting portion 514 is located at the other end of the first housing 51. That is, it is located at the end of the first main body 511 opposite to the first abutting portion 512. The first abutting portion 514 is a sheet-like member protruding from the first main body 511. The sheet-like member extends inward from the first main body 511 and then toward the second housing 52. The inward direction is the direction toward the inside of the first housing 51, and can also be described as the direction toward the cable 1 surrounded by the first housing 51.

The second housing 52 includes a second main body portion 521 and a second abutting portion 522 both of which have a U-shaped cross section.

Similarly, the “U”-shaped cross section here means that the main part of the second main part 521 is roughly “U”-shaped, and the main part of the second abutting part 522 is roughly “U”-shaped.

The second contact portion 522 is connected to one end of the second main body portion 521. The inner wall of the second contact portion 522 contacts the outer wall of the flange portion 213. The second housing 52 is thus grounded.

The second housing 52 further includes a second positioning protrusion 523 , a second abutting portion 524 and a second positioning groove 525 .

The second positioning protrusion 523 is located in the middle area of the second housing 52. The second positioning protrusion 523 protrudes from the second main body 521 toward the first housing 51.

The second positioning groove 525 is also located in the middle area of the second housing 52. The second positioning groove 525 is recessed from the second main body 521 in a direction away from the first housing 51.

The second positioning protrusion 523 and the second positioning groove 525 are respectively located at two opposite arms of the “U”-shaped second main body 521 .

The first positioning protrusion 513 matches with the second positioning groove 525. The first positioning groove 515 matches with the second positioning protrusion 523.

After the first housing 51 and the second housing 52 are buckled together, the first positioning protrusion 513 is located in the second positioning groove 525. The second positioning protrusion 523 is located in the first positioning groove 515.

The second abutting portion 524 is located at the other end of the second housing 52. That is, it is located at the end of the second main body 521 opposite to the second abutting portion 522. The second abutting portion 524 is a sheet-like member protruding from the second main body 521. The sheet-like member extends inward from the second main body 521 and then toward the first housing 51. The inward direction is the direction toward the inside of the second housing 52, and can also be described as the direction toward the cable 1 surrounded by the second housing 52.

The first shell 51 and the second shell 52 are buckled together to form a bottomless barrel. The inner walls of the first abutting portion 512 and the second abutting portion 522 abut against the flange 213 of the first shielding shell 21. Since the height of the first insulating member 41 and the electronic device portion 25 is higher than the height of the flange 213 in the illustrated embodiment, the cross-section of the abutting portion (the first abutting portion 512 and the second abutting portion 522) is smaller than the cross-section of the main body (the first main body 511 and the second main body 521). Furthermore, the abutting portion (the first abutting portion 512 and the second abutting portion 522) is in a state of being buckled on the flange 213.

After the first shell 51 and the second shell 52 are buckled, the first docking portion 514 and the second docking portion 524 are located on opposite sides. That is, after buckling, the first docking portion 514 extends into the second main body 521. Optionally, the outer wall surface of the first docking portion 514 abuts against the inner wall surface of the second main body 521. The second docking portion 524 extends into the first main body 511. Optionally, the outer avoidance surface of the second docking portion 524 abuts against the inner wall surface of the first main body 511.

In addition, the second housing 52 further has a first escape opening 526. When the first housing 51 and the second housing 52 are engaged with each other along the A2-A2 direction, the second connector 3 passes through the first escape opening 526.

The third housing 53 includes a third main body 531 and a third abutting portion 532 both of which have a U-shaped cross section. It should be understood that the U-shaped cross section here means that the main body of the third main body 531 is roughly U-shaped, and the main body of the third abutting portion 532 is roughly U-shaped.

The third abutting portion 532 is connected to one end of the third main body portion 531 . The inner wall of the third abutting portion 532 abuts against the outer wall of the second shielding shell 31 .

The third housing 53 further includes a third positioning protrusion 533 and a second avoiding opening 534 .

The third positioning protrusion 533 is located in the middle area of the third housing 53. The third positioning protrusion 533 extends from the third main body portion 531 toward the fourth housing 54.

There are two third positioning protrusions 533. The two third positioning protrusions 533 are respectively located at two opposite arms of the third main body 531 in the "U" shape.

The second avoidance opening 534 opens a portion of the third housing 53 along the A1-A1 direction. The second avoidance opening 534 extends along the A2-A2 direction and passes through the other end of the third main body 531. The "other end" here refers to the end of the third main body 531 opposite to the third abutting portion 532.

The fourth housing 54 includes a fourth main body 541 and a fourth abutting portion 542, both of which have a U-shaped cross section. It should be understood that the U-shaped cross section here means that the main body of the fourth main body 541 is roughly U-shaped, and the main body of the fourth abutting portion 542 is roughly U-shaped.

The fourth abutting portion 542 is connected to one end of the fourth main body portion 541 . The inner wall of the fourth abutting portion 542 abuts against the outer wall of the second shielding shell 31 .

The fourth housing 54 further includes a third positioning groove 543 and a third avoiding opening 544 .

The third positioning groove 543 is located in the middle area of the fourth housing 54. The third positioning groove 543 is recessed from the fourth main body portion 541 toward a direction away from the third housing 53.

There are two third positioning grooves 543. The two third positioning grooves 543 are respectively located at two opposite arms of the “U”-shaped fourth main body 541.

The third avoidance opening 544 opens a portion of the fourth housing 54 along the A1-A1 direction. The third avoidance opening 544 extends along the A2-A2 direction and passes through the other end of the fourth main body 541. The "other end" here refers to the end of the fourth main body 541 opposite to the fourth abutting portion 542.

The third shell 53 and the fourth shell 54 are buckled together to form a bottomless barrel with a tail. The inner walls of the third abutting portion 532 and the fourth abutting portion 542 abut against the outer wall of the second shielding shell 31. Similarly, since the height of the first insulating member 41 is higher than the height of the second shielding shell 31 in the illustrated embodiment, the cross-section of the abutting portion (the third abutting portion 532 and the fourth abutting portion 542) is smaller than the cross-section of the main body (the third main body 531 and the fourth main body 541). Furthermore, the abutting portion (the third abutting portion 532 and the fourth abutting portion 542) is in a state of being buckled to the second shielding shell 31.

The third housing 53 and the fourth housing 54 are grounded by abutting against the second shielding housing 31 .

When the third housing 53 and the fourth housing 54 are buckled, the third positioning protrusion 533 and the third positioning groove 543 are matched and engaged. The ends of the third housing 53 and the fourth housing 54 away from the second connector 3 are abutted against the outer walls of the first housing 51 and the second housing 52.

The protective shell 5 can play the role of grounding, shielding and supporting. In addition, the protective shell 5 of the present invention is more delicate in design, easy to install and has a good clamping effect.

The transmission structure 100 further includes a second insulating member 6. In the illustrated embodiment, the second insulating member 6 is also an injection molded part. Please refer to FIG. 14, FIG. 15 and FIG. 18. The second insulating member 6 is filled between the protective shell 5 and the first connector 2, the second connector 3 and the adapter 4. Moreover, the second insulating member 6 covers a portion of the cable 1, a portion of the first connector 2, a portion of the second connector 3, at least a portion of the protective shell 5 and the adapter 4, thereby connecting the cable 1, the first connector 2, the second connector 3, the protective shell 5 and the adapter 4 into one body.

The second insulating member 6 provides force buffering, reinforcement function and insulating environment for part of the cable 1, part of the first connector 2, part of the second connector 3, the adapter 4 and their connection points.

1 , the transmission structure 100 further includes an insulating shell 7. The insulating shell 7 is coated on the outside of the second insulating member 6 to further protect the cable 1, the first connector 2, the second connector 3 and the adapter 4.

The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. The understanding of the present invention should be based on the technical personnel in the relevant technical field. Although this specification has described the present invention in detail with reference to the aforementioned embodiments, ordinary technical personnel in the relevant technical field should understand that the technical personnel in the relevant technical field can still modify or replace the present invention with equivalents, and all technical solutions and improvements thereof that do not deviate from the spirit and scope of the present invention should be covered within the scope of the patent application of the present invention.

1: Cable 100: Transmission structure 2: First connector 21: First shielding shell 211: First surface 2111: First opening 212: Second surface 2121: Second opening 213: Flange 22: Through hole 23: Contact assembly 231: Supporting member 232: Contact 24: First circuit board 241: First substrate 242: First solder pad 25: Electronic device part 3: Second connector 31: Second shielding shell 32: Insulating shell 33: Conductive terminal 34: Second circuit board 341: Second substrate 342: Third solder pad 4: Adapter 41: first insulating member 411: second outer surface 412: first outer surface 413: third outer surface 414: fourth outer surface 4141: first groove 4142: second groove 4143: third groove 4144: fourth groove 415: first limiting protrusion 4151: first protrusion 4152: second protrusion 4153: third protrusion 4154: fourth protrusion 416: first docking space 417: second limiting protrusion 4171: fifth protrusion 4172: sixth protrusion 4173: seventh protrusion 4174: eighth protrusion 418: second docking space 42: conductive sheet 421: first group of conductive sheets 4211: first conductive sheet 4212: Second conductive sheet 4213: Third conductive sheet 4214: Fourth conductive sheet 4215: First conductive terminal 4216: Second conductive terminal 4216a: First extension section 4216b: First bending section 4216c: First free end 422: Second set of conductive sheets 4221: Fifth conductive sheet 4222: Sixth conductive sheet 4222a: Elevated section 4222b: Avoiding section 4222c: Falling section 4222d: Extension section 4222e: Connecting section 4223: Third conductive terminal 4223a: Second extension section 4223b: Second bending section 4223c: Second free end 5: Protective shell 51: First shell 511: first main body 512: first abutment 513: first positioning protrusion 514: first docking part 515: first positioning groove 52: second shell 521: second main body 522: second abutment 523: second positioning protrusion 524: second docking part 525: second positioning groove 526: first avoidance opening 53: third shell 531: third main body 532: third abutment 533: third positioning protrusion 534: second avoidance opening 54: fourth shell 541: fourth main body 542: fourth abutment 543: third positioning groove 544: third avoidance opening 6: second insulating member 7: insulating shell A1-A1: left and right direction A2-A2: front and rear direction A3-A3: up and down direction

FIG. 1 is a three-dimensional schematic diagram of a schematic implementation of the transmission structure of the present invention. FIG. 2 is a three-dimensional exploded schematic diagram of a schematic implementation of the transmission structure of the present invention at one angle. FIG. 3 is a three-dimensional exploded schematic diagram of a schematic implementation of the transmission structure of the present invention at another angle. FIG. 4 is a three-dimensional schematic diagram of a partial structure (cable, first connector, second connector and adapter) at one angle. FIG. 5 is a three-dimensional schematic diagram of a partial structure (cable, first connector, second connector and adapter) at another angle. FIG. 6 is a three-dimensional schematic diagram of the adapter at one angle. FIG. 7 is a three-dimensional schematic diagram of the adapter at another angle. FIG. 8 is a three-dimensional exploded schematic diagram of the adapter. FIG. 9 is a front view of the first insulating member and a three-dimensional schematic diagram at multiple angles. Figure 10 is a three-dimensional schematic diagram of the second connector at one angle. Figure 11 is a three-dimensional schematic diagram of the second connector at another angle. Figure 12 is a three-dimensional schematic diagram of the first connector at one angle. Figure 13 is a three-dimensional schematic diagram of the first connector at another angle. Figure 14 is a three-dimensional schematic diagram of a partial structure (cable, first connector, second connector, adapter and protective shell) at one angle. Figure 15 is a three-dimensional schematic diagram of a partial structure (cable, first connector, second connector, adapter and protective shell) at another angle. Figure 16 is a three-dimensional schematic diagram and a three-dimensional exploded schematic diagram of the protective shell at one angle. Figure 17 is a three-dimensional schematic diagram and a three-dimensional exploded schematic diagram of the protective shell at another angle. Figure 18 is a three-dimensional schematic diagram of a partial structure (the structure remaining after the insulating outer shell of the transmission structure is removed in the schematic implementation of the transmission structure of the present invention).

1: Cable

100: Transmission structure

2: First connector

3: Second connector

7: Insulated shell

A1-A1: Left and right direction

A2-A2: front and back direction

Claims (12)

A transmission structure, characterized in that it includes: a cable; a first connector having a first circuit board; a second connector having a second circuit board; and an adapter, wherein the adapter includes a first insulating member and a plurality of conductive elements fixed to the first insulating member, wherein the plurality of conductive elements include a first conductive end, a second conductive end, and a third conductive end; the first conductive end is electrically connected to the cable, the second conductive end is electrically connected to the first circuit board, and the third conductive end is electrically connected to the second circuit board; the adapter includes a conductive sheet; the conductive sheet includes a first group of conductive sheets and a second group of conductive sheets; one end of the first group of conductive sheets is the first conductive end, and the other end of the first group of conductive sheets is the second conductive end; one end of the second group of conductive sheets is the third conductive end, and the other end of the second group of conductive sheets is fixedly connected to the corresponding conductive sheet in the first group of conductive sheets. The transmission structure as described in claim 1, wherein the first insulating component is an injection molded component. The transmission structure as described in claim 1, wherein: the second conductive end is contact-connected with the first pad of the first circuit board, and/or the third conductive end is contact-connected with the third pad of the second circuit board. A transmission structure, characterized in that it includes: a cable; a first connector having a first circuit board; a second connector having a second circuit board; and an adapter, wherein the adapter includes a first insulating member and a plurality of conductive elements fixed to the first insulating member, wherein the plurality of conductive elements include a first conductive end, a second conductive end, and a third conductive end; the first conductive end is electrically connected to the cable, the second conductive end is electrically connected to the first circuit board, and the third conductive end is electrically connected to the second circuit board; the first insulating member has a first outer surface and a first limiting protrusion; the first limiting protrusion protrudes outward from the first outer surface, and the first limiting protrusion defines a first docking space; the first circuit board is partially located in the first docking space. The transmission structure as described in claim 4, wherein: the aforementioned first limiting protrusion includes a first protrusion and a second protrusion arranged opposite to each other; the aforementioned first protrusion and the aforementioned second protrusion both have a "U"-shaped groove, and the notch of the aforementioned "U"-shaped groove of the aforementioned first protrusion is opposite to the notch of the aforementioned "U"-shaped groove of the aforementioned second protrusion. The transmission structure as described in claim 5, wherein: the aforementioned first limiting protrusion further includes a third protrusion and a fourth protrusion; the aforementioned third protrusion and the aforementioned fourth protrusion are both located between the aforementioned first protrusion and the aforementioned second protrusion, and the aforementioned third protrusion and the aforementioned fourth protrusion are respectively located on both sides of the aforementioned first circuit board. A transmission structure, characterized in that it includes: a cable; a first connector having a first circuit board; a second connector having a second circuit board; and an adapter, wherein the adapter includes a first insulating member and a plurality of conductive elements fixed to the first insulating member, wherein the plurality of conductive elements include a first conductive end, a second conductive end, and a third conductive end; the first conductive end is electrically connected to the cable, the second conductive end is electrically connected to the first circuit board, and the third conductive end is electrically connected to the second circuit board; the first insulating member has a second outer surface and a fourth outer surface; the fourth outer surface extends perpendicularly to the second outer surface, and a groove is formed on the fourth outer surface, and the first conductive end extending outward from the second outer surface is accommodated in the groove. A transmission structure, characterized in that it includes: a cable; a first connector having a first circuit board; a second connector having a second circuit board; and an adapter, wherein the adapter includes a first insulating member and a plurality of conductive elements fixed to the first insulating member, wherein the plurality of conductive elements include a first conductive end, a second conductive end, and a third conductive end; the first conductive end is electrically connected to the cable, the second conductive end is electrically connected to the first circuit board, and the third conductive end is electrically connected to the second circuit board; the first insulating member has a third outer surface and a second limiting protrusion; the second limiting protrusion protrudes outward from the third outer surface, and the second limiting protrusion defines a second docking space; the second circuit board is partially located in the second docking space. The transmission structure as described in claim 8, further comprising a protective shell; the protective shell shields the periphery of the adapter, part of the first connector, and part of the second connector. The transmission structure as described in claim 9, wherein: the aforementioned protective shell is clamped on the first shielding shell of the aforementioned first connector, and/or, the aforementioned protective shell is clamped on the second shielding shell of the aforementioned second connector. The transmission structure as described in claim 9, further comprising a second insulating member; the second insulating member is filled between the protective casing and the first connector, the second connector and the adapter; and the second insulating member covers part of the cable, part of the first connector, part of the second connector, at least part of the protective casing and the adapter, thereby connecting the cable, the first connector, the second connector, the protective casing and the adapter into one body. The transmission structure as described in claim 11, further comprising an insulating outer shell; the insulating outer shell is wrapped around the outer periphery of the second insulating member.