WO2016026201A1 - Transmission line assembly - Google Patents

Abstract

A transmission line assembly comprises a transmission line (200), and comprises a first connector (110) and a second connector (120) separately connected to two ends of the transmission line. The first connector comprises a first plug portion (112) and a first transition portion (114) where the first plug portion is mounted. The second connector comprises a second plug portion (122) and a second transition portion (124) where the second plug portion is mounted. One end of the transmission line is connected to the first transition portion, and the other end is connected to the second transition portion. The transmission line assembly also comprises a third connector (130). The third connector is slidably sleeved on the transmission line by means of a first connecting line assembly (310). The third connector comprises a third plug portion (132) which is different from the first plug portion in shape, and a third transition portion (134) where the third plug portion is mounted. One end of the third transition portion connected to the first connector is provided with a first adapter (116). The first adapter matches the first plug portion in shape. The transmission line assembly is suitable for communication connection among a variety of electronic devices.

Description

 Specification Name of Invention: A Transmission Line Component

 Technical field

 [0001] The present invention relates to the field of electronic product accessories, and more particularly to a transmission line assembly.

 Background technique

 [0002] In today's rapidly evolving information technology, although various wireless transmission methods have emerged, the wired transmission method using transmission line transmission cannot be completely replaced. Wired transmission is the communication of two electronic devices or electronic devices connected to a power source via a transmission cable. Transmission lines currently on the market usually have only two connectors, and the two connectors are connected by a transmission line for connecting two electronic devices. The types of connectors are very singular, and only two types of devices can be connected one-to-one. Once the device model at one end changes, the transmission line assembly will not work and you will need to find a new transmission line assembly. For example, Apple's iPhone 4S and iPhone

 The 5s data interface is different. Users have to equip the iPhone 4S and iPhone 5s with corresponding transmission lines.

 [0003] Therefore, there is a need for a transmission line assembly that can accommodate a variety of interface types.

 Problem solution

 Technical solution

[0004] It is an object of the present invention to provide a transmission line assembly that can accommodate a variety of interface types. To this end, the present invention provides a transmission line assembly including a transmission line, a first connector and a second connector respectively connected to both ends of the transmission line, the first connector having a first plug portion and for mounting the first plug portion a first transition portion; the second joint has a second plug portion and a second transition portion for mounting the second plug portion, the transmission line is connected to the first transition portion at one end and to the other end portion The second transition portion, the transmission line assembly further includes a third joint, the third joint is connected to the transmission line by a first connecting line assembly, and the first connecting line assembly includes a sleeve disposed on the transmission line a connecting loop sleeve and a first connecting line connecting one end of the first connecting loop sleeve and the other end to the third joint, the third joint being slidably sleeved on the first connecting wire assembly a transmission line, the third joint includes a third plug portion different in shape from the first plug portion and a third transition portion for mounting the third plug portion The third transition portion is configured to be connected to one end of the first joint to be provided with a first adapter, and the shape of the first adapter matches the shape of the first plug portion.

 [0005] As a preferred solution, the transmission line assembly further includes a fourth connector, the fourth connector is connected to the transmission line by a second connection line assembly, and the second connection line assembly includes a sleeve disposed on the transmission line a second connecting ring sleeve and a second connecting line connecting one end of the second connecting ring sleeve and the other end to the fourth joint, wherein the fourth joint is slidably sleeved on the second connecting line a transmission line, the fourth joint includes a fourth plug portion different in shape from the second plug portion, and a fourth transition portion for mounting the fourth plug portion, the fourth transition portion for connecting to the One end of the second joint is provided with a second adapter, and the shape of the second adapter matches the shape of the second plug portion.

 [0006] As a preferred solution, the transmission line assembly further includes a sixth connector, the sixth connector is connected to the first connection line through a fourth connection line assembly, and the fourth connection line assembly includes a sleeve a fourth connecting ring sleeve of the first connecting line and a fourth connecting line connecting one end of the fourth connecting ring sleeve and the other end to the sixth joint, the sixth joint being slidable by the fourth connecting line assembly Nesting on the first connecting line, the sixth joint includes a sixth plug portion different in shape from the first plug portion, and a sixth transition portion for mounting the sixth plug portion, the a sixth transition portion for connecting to one end of the first joint is provided with a fourth adapter, and the shape of the fourth adapter matches the shape of the first plug portion

[0007] As a preferred solution, the transmission line assembly further includes a seventh connector, the seventh connector is connected to the transmission line through a fifth connection line assembly, and the fifth connection line assembly includes a sleeve disposed on the transmission line a fifth connecting ring sleeve and a fifth connecting line connecting one end of the fifth connecting ring sleeve and the other end to the seventh joint, the seventh joint being slidably sleeved on the fifth connecting line assembly a transmission line, the seventh joint includes a seventh plug portion different in shape from the first plug portion and a seventh transition portion for mounting the seventh plug portion, the seventh transition portion for connecting to the One end of the first joint is provided with a retracted or convex fifth adapter, and the shape of the fifth adapter matches the shape of the first plug portion

[0008] As a preferred solution, the fifth connecting ring sleeve is fixedly connected to the first connecting ring sleeve as a whole, or is the same connecting ring sleeve.

[0009] As a preferred solution, the fifth connecting line component is located in the same plane as the first connecting line component. [0010] As a preferred solution, the transmission line assembly further includes an eighth joint, the eighth joint being connected to the first connecting line assembly through a sixth connecting wire assembly, the sixth connecting wire assembly being slidably Nested in the first connecting wire assembly, the eighth joint includes an eighth plug portion different in shape from the first plug portion, and an eighth transition portion for mounting the eighth plug portion, the The eighth transition portion is configured to be connected to one end of the first joint to be provided with a recessed or convex sixth joint, and the shape of the sixth joint is matched with the shape of the first plug portion.

 [0011] As a preferred solution, the transmission line assembly further includes a ninth joint connected to the fifth connecting line assembly through a seventh connecting line assembly, the seventh connecting line assembly slidably Nested in the fifth connecting wire assembly, the ninth joint includes a ninth plug portion different in shape from the first plug portion and the eighth plug portion, and a ninth portion for mounting the ninth plug portion a transition portion, the ninth transition portion is configured to be connected to one end of the first joint and provided with a recessed or convex seventh joint, the shape of the seventh joint and the shape of the first plug portion Match.

 [0012] As a preferred solution, the transmission line assembly or the first connection line of the first connection line assembly is slidably connected with a plurality of additional connectors through the additional connection line assembly, the additional connector including a transition portion and a shape In the different plug portions, the transition portion of the additional joint is provided with an adapter portion that matches the shape of the first plug portion and/or the second plug portion.

 [0013] As a preferred solution, the transition portion of the first connecting wire assembly and the third joint is injection molded into one piece.

 [0014] By implementing the present invention, a transmission line assembly that can be adapted to a variety of electronic devices for communication connection can be obtained.

 Brief description of the drawing

 DRAWINGS

 [0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings to be used in the embodiments or the prior art description will be briefly described below, and obviously, in the following description The drawings are only some of the embodiments of the present invention, and those skilled in the art can obtain other drawings based on these drawings without any creative work.

 1 is a schematic structural view of a first embodiment of the present invention;

 2 is a schematic structural view of a second embodiment of the present invention;

3 is a schematic structural view of a third embodiment of the present invention; 4 is a schematic structural view of a fourth embodiment of the present invention;

 [0020] FIG. 5 is a schematic structural view of a fifth embodiment of the present invention;

 6 is a schematic structural view of a sixth embodiment of the present invention;

 7 is a schematic structural view of a seventh embodiment of the present invention;

 Figure 8 is a schematic illustration of an additional joint used in accordance with one embodiment of the present invention;

 9 is a schematic view of the boundary of the joint shown in FIG. 8.

Embodiments of the invention

 [0025] Referring to FIG. 1, a first embodiment of the present invention provides a transmission line assembly including a first connector 110, a second connector 120, a third connector 130, and a transmission line 200. The two ends of the transmission line 200 are respectively connected to the first connector 110 and Second joint 120. Specifically, the first joint 110 has a first plug portion 112 and a first transition portion 114, the first plug portion 112 is mounted to the first end of the first transition portion 114; the second joint 120 has a second plug portion 122 and The second transition portion 124 is mounted on the first end of the second transition portion 124. One end of the transmission line 200 is connected to the second end of the first transition portion 114, and the other end is connected to the second end of the second transition portion 124. . The third connector 130 is connected to the transmission line 200 through the first connection line assembly 310. The first connection line assembly 310 includes a first connection collar 310a sleeved on the transmission line and one end connected to the first connection collar 310a. One end of the third connection 130 is connected to the first connection line 310b, and the third connection 130 is slidably sleeved on the transmission line 200 through the first connection line assembly 310. The third joint 130 includes a third plug portion 132 different in shape from the first plug portion 11 2 and a third transition portion 134 for mounting the third plug portion 132 for connecting to the first joint 110 One end is provided with a recessed or convex first adapter 116, and the shape of the first adapter 116 matches the shape of the first plug portion 112. When the first connector 110 and the second connector 120 are respectively connected to the first electronic device and the second electronic device 吋, directly connected by a transmission line; when it is required to replace the first connector 110 使用 with the third connector 130, the first connector The portion 112 is inserted into the first adapter 116 to form an electrical connection between the first connector 110 and the third connector 130. Thereby, the third connector 130 is connected to the first electronic device, the second connector 120 is connected to the second electronic device, and the communication connection between the first electronic device and the second electronic device is realized through the transmission line 200.

Referring to FIG. 2, a second embodiment of the present invention provides a transmission line assembly, which differs from the first embodiment in that the transmission line assembly has a first connector 110, a second connector 120, a third connector 130, and a transmission line 200 in addition to the first embodiment. In addition, a fourth connector 140 is further connected to the transmission line 20 0 through the second connection line assembly 320. The second connection line assembly 320 includes a second connection collar 320a sleeved on the transmission line and one end connected to the The second connecting sleeve 320a is connected to the second connecting line 320b of the fourth joint 140, and the fourth joint 140 is slidably sleeved on the transmission line 200 through the second connecting line 320b. The fourth joint 140 includes The second plug portion 122 has a fourth plug portion 142 having a different shape and a fourth transition portion 144 for mounting the fourth plug portion 142. The fourth transition portion 144 is configured to be connected to the second joint 120 at one end and provided with a recess or outer The convex second adapter 126 has a shape that matches the shape of the second plug portion 122. With such a structure, the second connector 140 can be used to replace the second connector 120 to the second electronic device. To do this, the second connector portion 122 needs to be inserted into the second connector 126 of the fourth connector 140 to make the second connector. The joint 120 and the fourth joint 140 form an electrical connection. Similarly, in this embodiment, the first joint 110 may be replaced with the third joint 130 in the manner of the first embodiment.

Referring to FIG. 3, a third embodiment of the present invention provides a transmission line assembly, which differs from the second embodiment in that the transmission line assembly has a first joint 110, a second joint 120, a third joint 130, a fourth joint 14 0 and Outside the transmission line 200, there is also a sixth connector 160. The sixth connector 160 is connected to the second connector assembly 320 via the fourth connector assembly 340, and the fourth connector assembly 340 includes a fourth connector disposed on the second connector 320b. The ring sleeve 340a is connected to the fourth connecting ring sleeve 340a at one end and the fourth connecting line 340b of the sixth joint 160 at the other end. The sixth joint 160 is slidably sleeved on the second connecting line assembly 340 by the fourth connecting line assembly 340. The wire connector 320 includes a sixth plug portion 162 different in shape from the second plug portion 122 and the fourth plug portion 142, and a sixth transition portion 164 for mounting the sixth plug portion 162. The transition portion 164 is for connecting to one end of the second joint 120 and is provided with a recessed or convex fourth joint 146. The shape of the fourth joint 146 matches the shape of the second plug portion 122. With such a structure, the sixth connector 160 can be connected to the second connector 120 to be connected to the second electronic device. To perform such replacement, the second connector portion 12 2 needs to be inserted into the third connector of the sixth connector 160. The second joint 120 and the sixth joint 160 form an electrical connection. Similarly, in the present embodiment, the first joint 110 and the second joint 120 may be replaced with reference to the first embodiment and/or the second embodiment. In the embodiment shown in FIG. 4, another alternative to the above-described manner is to match the shape of the fourth adapter 146 with the shape of the fourth plug portion 142, and insert the second rotation at the second plug portion 122. After the connector 126, the fourth plug portion 142 is inserted into the fourth adapter 146 to form an indirect electrical connection between the sixth connector 160 and the second connector 120, and then the sixth connector 160 is connected to Second electronic device. It should be consciously, based on the concept of the present embodiment, the sixth joint 160 may be slidably coupled to the connecting line 310b of the first connecting wire assembly through the connecting ring sleeve 340a of its connecting wire assembly, and finally, the sixth joint 160 The adapter preferably mates with the first joint 110.

 Referring to FIG. 4, a fourth embodiment of the present invention provides a transmission line assembly, which differs from the first embodiment in that the transmission line assembly further includes a seventh joint 170, and the seventh joint 170 is connected to the seventh connection line assembly 350 through The transmission line 200, the fifth connection line assembly 350 includes a fifth connection collar 350a sleeved on the transmission line 200, and a fifth connection line 350b having one end connected to the fifth connection collar 350a and the other end connected to the seventh joint 170, The seventh joint 170 is slidably sleeved on the transmission line 200 through the fifth connecting wire assembly 350. The seventh joint 170 includes a seventh plug portion 172 different in shape from the first plug portion 112 and the third plug portion 132 and is used for A transition portion 174 of the seventh plug portion 172 is mounted, and the seventh transition portion 174 is configured to be connected to one end of the first joint and provided with a recessed or convex fifth adapter 156. The shape of the fifth adapter 156 and the first plug The shape of the portion 112 matches. As with the principle of the above embodiment, with this solution, the first plug portion 112 is inserted into the fifth adapter 156, so that the first connector 110 and the seventh connector 170 form an electrical connection, and the seventh connector 170 is connected to the first electronic device. . In this embodiment, the connecting ring sleeve 310a of the connecting wire assembly of the third joint 130 is adjacent to the connecting ring sleeve 350a of the connecting wire assembly of the seventh joint 170, and is independent of each other, that is, the connecting ring sleeve 310a and the connecting ring The sleeves 350 can slide sideways to fit together or can slide away from each other.

[0029] Referring to FIG. 5, a fifth embodiment of the present invention provides a transmission line assembly. The main difference between this embodiment and the fourth embodiment is that the seventh connector 170 is directly connected to the first connection ring through the fifth connection line 350b. 310a, the seventh joint 170 is slidably sleeved on the transmission line 200 through the fifth connecting line 350b and the first connecting loop 310a. In an alternative, the connecting collar 310a of the seventh joint 170 can be independent of the connecting collar ₃ l _{0a of the} third joint 130, and the connecting loop 310a connecting sleeve 310a is fixedly coupled together. Preferably, the connecting wire assembly of the seventh joint 170 and the connecting wire assembly of the third joint 130 are located in the same plane; preferably, the fifth connecting wire assembly and the third connecting wire assembly are integrally formed by injection molding.

Referring to FIG. 6, a sixth embodiment of the present invention provides a transmission line assembly, which is different from the fourth embodiment in that the transmission line assembly further includes an eighth joint 180, and the eighth joint 180 is connected to the sixth connection line assembly 360 through the sixth connection line assembly 360. The first connecting wire assembly 310, the sixth connecting wire assembly 360 is slidably sleeved on the first connecting wire assembly 310, and the eighth joint 180 includes the shape of the first plug portion 112, the third plug portion 132, and the seventh plug portion 172. The eighth plug portion 182 and the eighth transition portion 184 for mounting the eighth plug portion 182, the eighth transition portion 18 4 is provided with an indented or convex sixth adapter 166 at one end for connection to the first joint 110, the sixth adapter 166 having a shape that matches the shape of the first plug portion 112. In the same manner as the above embodiment, with this solution, the first plug portion 112 is inserted into the sixth adapter 166, so that the first connector 110 and the eighth connector 180 form an electrical connection, and the eighth connector 180 is connected to the first electronic device. .

 Referring to FIG. 7, a seventh embodiment of the present invention provides a transmission line assembly, which differs from the sixth embodiment in that the transmission line assembly further includes a ninth joint 190, and the ninth joint 190 is connected to the seventh connection line assembly 370 through The fifth connecting wire assembly 350 is slidably sleeved on the fifth connecting wire assembly 350. The ninth joint 190 includes a first plug portion 112, a third plug portion 132, and a seventh plug portion 172. a ninth plug portion 192 having a different shape of the eighth plug portion and a ninth transition portion 194 for mounting the ninth plug portion 192, and the ninth transition portion 194 is provided with an indentation or an outer end for connecting to the first joint 110 The convex seventh adapter 176 and the seventh adapter 176 have a shape that matches the shape of the first plug portion 112. In the same manner as the above embodiment, with this solution, the first plug portion 112 is inserted into the seventh adapter 176, so that the first connector 110 and the ninth connector 190 form an electrical connection, and the ninth connector 190 is replaced by the first connector 110. Into the first electronic device.

 [0032] It can be seen from the above embodiments that the transmission line assembly provided by the present invention can be slidably connected to a plurality of connectors on the cable or the first connecting wire assembly 310 and the second connecting wire assembly 320 through the additional connecting wire assembly, and all of the connectors include a transition. And the plug portion, the shape of the plug portion is different, the plug portion has a plug portion at one end, and the other end has a joint connected to the first plug portion 112 or the second plug portion 122, the shape of the adapter and the first plug portion The shape of 112 and/or second plug portion 122 is matched. In order to more conveniently select a suitable plug, the joints 130, 140, 150, 160, 170, 180, 190, etc. can be detachably connected to the transmission line 200 or the cable assembly so that a joint is not required. It can be removed to simplify the structure of the transmission line components. Preferably, the outer casing of the transition portion of each joint is intended to form a unitary piece of the corresponding connecting wire assembly by injection molding. For example, the outer casing of the transition portion 134 of the third joint 130 is integrally formed with its connecting wire assembly 310 in an injection molded manner.

[0033] A preferred implementation of the present invention will now be described with the seventh joint 170 as an example. Referring to FIGS. 8 and 9, the seventh joint includes a seventh plug portion 172 and a transition portion 174 for mounting the seventh plug portion 172, and the seventh transition portion 174 is provided with an indentation or a convex portion at one end connected to the other joint. The fifth adapter 156. The seventh joint is slidably coupled to the other connecting line or the transmission line through the connecting wire 350b and the end sleeve 350a (refer to FIG. 4). In this embodiment, the plug portion 172 and the adapter 156 are integrated to achieve a communication connection. Over The ferry portion 174 includes an upper casing 174a and a lower casing 174b, both of which are pressed together by ultrasonic waves. Preferably, the upper casing 1 74a has a connecting post 178a protruding toward the lower casing 174b, and the lower casing 174b has a corresponding receiving hole. After ultrasonic pressing, the butted edges of the upper casing 174a and the lower casing 174b are pressed together. The connecting post 178a and the receiving hole 178b are also connected. Further, the upper case 174a and the lower case 174b have notches 176a and 176b, respectively, and the notches 176a and 176b are opposed to each other and form a through hole for the connection line 350b to pass therethrough. The inner end of the connecting wire 350b has a bump 350c which is previously placed into the inner cavity formed by the upper casing 174a and the lower casing 174b. The size of the bump 350c is larger than the size of the through hole to prevent the bump 350c from coming off the above. Transition portion 174. In the manufacturing process, the plug 172 and its adapter 156, the connecting wire 350b having the bump 350c are first mounted between the two housings 174a, 17 4b, and then the two housings 174a, 174b are ultrasonically pressed. Thereby, the joint 170 as shown in Fig. 8 or Fig. 4 is obtained.

 The above is a further detailed description of the present invention in conjunction with the specific preferred embodiments. It is not intended that the specific embodiments of the invention are limited to the description. It will be apparent to those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the invention.

Claims

Claim  [Claim 1] A transmission line assembly comprising a transmission line, a first connector and a second connector respectively connected to both ends of the transmission line, the first connector having a first plug portion and a mounting portion for mounting the first plug portion a first transition portion; the second joint has a second plug portion and a second transition portion for mounting the second plug portion, the transmission line is connected at one end to the first transition portion, and the other end is connected to the a second transition portion, wherein the transmission line assembly further includes a third connector, the third connector is connected to the transmission line by a first connection line assembly, and the first connection line assembly includes a sleeve disposed on the transmission line a first connecting loop sleeve and a first connecting line connecting one end of the first connecting loop sleeve and the other end to the third joint, the third joint being slidably sleeved by the first connecting wire assembly In the transmission line, the third joint includes a third plug portion different in shape from the first plug portion and a third transition portion for mounting the third plug portion, and the third transition portion is used A first adapter is provided at one end connected to the first joint, and the shape of the first adapter matches the shape of the first plug portion.  [Claim 2] The transmission line assembly of claim 1, wherein the transmission line assembly further comprises a fourth connector, the fourth connector being connected to the transmission line by a second connection line assembly, the second The connecting wire assembly includes a second connecting ring sleeve sleeved on the transmission line and a second connecting line connecting one end of the second connecting ring sleeve and the other end to the fourth joint, the fourth joint passing through the second a connecting wire slidably sleeved on the transmission line, the fourth joint includes a fourth plug portion different in shape from the second plug portion, and a fourth transition portion for mounting the fourth plug portion, A fourth transition portion is provided at one end of the second joint for providing a second adapter, and the shape of the second adapter matches the shape of the second plug portion. [Claim 3] The transmission line assembly according to claim 1, wherein the transmission line assembly further includes a sixth joint, the sixth joint being connected to the first connecting line by a fourth connecting wire assembly, The fourth connecting wire assembly includes a fourth connecting ring sleeve sleeved on the first connecting line and one end connected to the fourth connecting ring sleeve and the other end connected to the sixth a fourth connecting line of the joint, the sixth joint is slidably sleeved on the first connecting line by a fourth connecting line assembly, and the sixth joint includes a sixth plug different in shape from the first plug portion And a sixth transition portion for mounting the sixth plug portion, wherein the sixth transition portion is configured to be connected to one end of the first joint to be provided with a fourth adapter, and the shape of the fourth adapter is The shapes of the first plug portions match.  [Claim 4] The transmission line assembly of claim 1, wherein the transmission line assembly further comprises a seventh connector, the seventh connector being connected to the transmission line by a fifth connection line assembly, the fifth The connecting wire assembly includes a fifth connecting ring sleeve sleeved on the transmission line and a fifth connecting line connecting one end of the fifth connecting ring sleeve and the other end to the seventh joint, the seventh joint passing through the fifth connection The wire assembly is slidably sleeved on the transmission line, and the seventh joint includes a seventh plug portion different in shape from the first plug portion and a seventh transition portion for mounting the seventh plug portion, The seventh transition portion is configured to be connected to one end of the first joint to be provided with a retracted or convex fifth adapter, and the shape of the fifth adapter matches the shape of the first plug portion.  [Claim 5] The transmission line assembly according to claim 4, wherein the fifth connecting ring sleeve is fixedly connected to the first connecting ring sleeve as a whole, or is the same connecting ring sleeve.  [Claim 6] The transmission line assembly according to claim 5, wherein the fifth connection line assembly is located in the same plane as the first connection line assembly.  [Claim 7] The transmission line assembly of claim 5, wherein the transmission line assembly further comprises an eighth connector, the eighth connector being connected to the first connection line assembly by a sixth connection line assembly, The sixth connecting wire assembly is slidably sleeved on the first connecting wire assembly, the eighth joint includes an eighth plug portion different in shape from the first plug portion, and the eighth plug is mounted The eighth transition portion of the portion, the eighth transition portion is configured to be connected to one end of the first joint and is provided with a sixth adapter having a recessed or convex shape, and the shape of the sixth joint is the first The shape of the plug portion matches. [Claim 8] The transmission line assembly according to claim 7, wherein the transmission line assembly further includes a ninth joint, and the ninth joint is connected to the fifth connection line assembly through a seventh connection line assembly, The seventh connecting wire assembly is slidably sleeved on the fifth connection a wiring assembly, the ninth joint includes a ninth plug portion different from a shape of the first plug portion and the eighth plug portion, and a ninth transition portion for mounting the ninth plug portion, the ninth transition One end of the portion for connecting to the first joint is provided with a recessed or convex seventh joint, and the shape of the seventh joint matches the shape of the first plug portion.  [Claim 9] The transmission line assembly of claim 1 wherein:  The transition portion of the third joint includes an upper shell and a lower shell connected together, and the abutting portion of the upper shell and the lower shell respectively has an upper notch and a lower notch, and the upper notch and the lower notch together form a through hole;  The first connecting line penetrates into the cavity formed by the upper shell and the lower shell through the through hole, and a portion of the first connecting line located in the cavity has a bump, and the size of the bump A through hole is formed larger than the upper notch and the lower notch to prevent the first connecting line from coming off the transition portion of the third joint. [Claim 10] The transmission line assembly according to claim 9, wherein the upper casing has a connecting post facing the lower casing, and the lower casing has a corresponding receiving hole; the upper casing and the lower casing After being pressed, the abutting faces of the upper case and the lower case are pressed together, and the connecting post is connected to the corresponding receiving hole.