TWM590811U - Signal protection device and cable connector - Google Patents

Abstract

This creation provides a cable connector installed on a cable, which includes a signal protection device, an outer tube, and a transmission component; and the signal protection device includes an inner tube and a signal protection module; and the inner tube is derived from the A port group of the outer tube is arranged inside, so that a metal guide rod of the inner tube is located in the outer tube; and the signal protection module is installed in the other port of the outer tube, so that the inner tube The metal guide rod is passed through the signal protection module; and the transmission component is installed inside from the other port of the outer tube, so that a conductive member is electrically connected to the metal guide rod of the inner tube to allow a transmission The piece can be revealed; therefore, it can achieve the modularization and miniaturization of the assembly, and then achieve the technical characteristics and purposes of this creation.

Description

Signal protection device and cable connector

This creation is related to signal protection technology, in particular to a signal protection device installed on a cable and a cable connector using the signal protection device.

According to the press, the practical application level of electronic communication devices or components in modern life is quite wide, such as the signal devices used to receive TV signals; however, when the circuits of their electronic products are exchanging signals, they may be subject to external or internal power. Influence, which in turn causes signal interference. For this reason, some designers are devoted to how to effectively isolate external noise or shield interference caused by power instability.

There are many ways to isolate external noise or shield the influence of power. Among them, the most common is the installation of capacitive components or inductive components such as inductive components in the device, as in the case of Republic of China Patent Announcement No. TWM553048U (below The reference number refers to the "capacitor module of the communication element" disclosed in the embodiment listed in the aforementioned patent case, which includes an inner electrode separator 11, a capacitor 12, an outer electrode separator 13 and an insulation Glue 14; and the inner electrode separator 11 has a base 111 and a tapered convex portion 112 extending integrally from one side of the base 111, and is provided with a through hole 115 penetrating through both sides of the base 111; and the capacitor 12 has a through hole 121 to provide a sleeve through which the tapered convex portion 112 of the inner electrode separator 11 passes; and the outer electrode separator 13 is used to accommodate the inner electrode separator 11 and the capacitor 12, and the outer electrode The separator 13 is provided with a through hole 131 and has an abutting ring portion 132, so that the capacitor 12 is restricted to both the abutting ring portion 132 of the outer electrode separator 13 and the base 111 of the inner electrode separator 11 Between the parts; and the insulating glue 14 is used to seal the inner electrode separator 11, the capacitor 12 and the outer electrode Between the separation members 13, the capacitor 12 can be firmly fixed in the inner electrode separator 11 and the outer electrode separator 13, thereby forming a modular capacitor module 1.

According to the above, if the capacitor module 1 is applied to a device such as a coaxial cable or an amplifier to isolate external noise, a capacitor module 1 can be connected in series with an iron core element 3 and assembled in a housing In the body 4; although the capacitor module 1 can achieve the technical effect of parts reduction and modularization; however, when assembling each capacitor module 1 in the outer shell 4, one must sequentially set one The iron core element 3 will indirectly reduce the effectiveness of isolating noises of the overall device due to being limited by the volume of the outer casing 4.

In summary, for this reason, as to how to make good use of the limited volume and improve the function of isolating noise, etc., this is really the purpose of this creation.

In view of the foregoing, this creative department provides a signal protection device for installation in a cable, which has modular and miniaturized design, double protection design and customized assembly components to effectively suppress external impurities Interference phenomena such as signal or high voltage surge.

In order to achieve the above purpose, this invention provides a signal protection device, which includes an inner tube and a signal protection module.

The inner tube has a first end and a second end corresponding to the first end and a closed surface. The outer wall of the inner tube near the first end has an external thread section; and from the inner tube The center and the periphery of the closed surface of the second end protrude to form a metal guide rod.

The signal protection module includes a tubular blocking member, a ring inductor, at least one capacitor, a set of fittings, and a conductive member, and the ring inductor, the set member, and the conductive member are individually sleeved on The metal guide rod of the inner tube.

The inner peripheral wall of the tubular barrier has a plurality of radially recessed fitting parts, which are used to be locked on the inner tube.

The set piece is provided with a perforation and at least one set of holes, and the perforation is used to set the metal guide rod of the inner tube, and the at least one set of holes is connected to the metal guide rod of the perforation and the inner tube; The at least one capacitor is accommodated in the at least one set of holes of the assembly, and is electrically connected to the metal guide rod of the inner tube.

The conductive member is a metal conductive ring and is disposed between one side of the ring inductor and the assembly member; and the conductive member is provided with a through hole corresponding to the through hole of the assembly member; and the The conductive member has at least one protruding pressing piece and at least one protruding connecting piece, so that the ring inductor passes through the other side of the at least one capacitor accommodated in the at least one set of holes of the assembly An electrical connection is formed with the at least one pressing piece pressed by the conductive member.

The creation department also provides a cable connector, which includes a signal protection device disclosed above and an outer tube, and the signal protection device is set in the outer tube.

Preferably, the cable connector further includes a transmission module, which is set in the outer tube and electrically connected to the other side of the ring inductor of the signal protection module of the signal protection device.

1. 1A, 1B, 1C‧‧‧ cable joint

10‧‧‧Signal protection device

20‧‧‧Outer tube

21‧‧‧ Internal thread section

23‧‧‧The first accommodating department

231‧‧‧fitting section

24‧‧‧ shoulder

25‧‧‧Second accommodating department

26‧‧‧Limiting Department

30, 30A, 30B, 30C ‧‧‧ inner tube

301‧‧‧The first end

302‧‧‧The second end

31‧‧‧ External thread section

33‧‧‧tooth

35, 35A, 35B, 35C ‧‧‧ metal guide rod

351‧‧‧Card Design Department

37‧‧‧Annular bump

40、40A‧‧‧Signal protection module

41‧‧‧Tubular barrier

411‧‧‧tooth

413‧‧‧fitting part

42, 42A, 42B, 42C ‧‧‧ ring inductor

421‧‧‧Opening

43, 43A, 43B, 43C

44, 44A, 44B, 44C

441‧‧‧Perforation

443‧‧‧Sleeve

447‧‧‧Limiting Department

45, 45A, 45B, 45C ‧‧‧ conductive parts

451‧‧‧Perforation

453‧‧‧Compression

455‧‧‧Guide piece

457‧‧‧Design card

50‧‧‧Transmission components

51‧‧‧ circuit board

53‧‧‧Conductive parts

531‧‧‧Perforation

533‧‧‧Positioning

55‧‧‧Transmission

FIG. 1 is a perspective schematic view of the first preferred embodiment of the creation.

FIG. 2 is a schematic exploded and perspective view of the components of FIG. 1.

FIG. 3 is a schematic cross-sectional view and a perspective view taken along line 3-3 of FIG.

FIG. 4 is a schematic partial cross-sectional view of FIG. 1 from another angle.

FIG. 5 is a schematic cross-sectional view of the second preferred embodiment of the creation.

FIG. 6 is a schematic cross-sectional view of a third preferred embodiment of this creation.

7 is a schematic cross-sectional view of the fourth preferred embodiment of the present creation.

The several preferred embodiments listed below and the accompanying drawings are used to illustrate the technical content and features of this creation, such as "up", "down", and "left" mentioned in the content of this specification. , "Right", "inner", "outer", "top" or "bottom" and other directional adjectives, which are only descriptive terms based on the normal direction of use, not intended to limit the creation The intention of applying for the scope of patent, and the ordering terms such as "No. 1", "No. 2", "No. 3" or "No. 4" mentioned in the content of the patent specification of this case are only used to identify the description of the component Sexual terms are not intended to limit the technical features claimed by this creation or the scope of patent applications, which will be described here.

Please refer to FIGS. 1 to 4, which is a signal protection device 10 for installing on a cable disclosed in the first preferred embodiment of the present invention, and a cable connector 1 using the signal protection device 10 , and the cable The connector 1 includes: a signal protection device 10 , an outer tube 20, and a transmission component 50 . The signal protection device 10 includes: an inner tube 30 and a signal protection module 40 .

The inner peripheral wall of one end of the outer tube 20 has an internally threaded section 21 , and the inner peripheral wall of the other end thereof has a first accommodating portion 23 and a second accommodating portion 25 radially recessed; and the first accommodating portion The placing portion 23 has a plurality of radially fitting and spaced plural fitting sections 231 , and the radial dimension of the first accommodating portion 23 is greater than the radial dimension of the second accommodating portion 25 to form a shoulder 24 , And is gradually tapered from the second accommodating portion 25 toward the direction of the internal thread section 21 to form a push-out limiting portion 26 .

The inner tube 30 has a first end 301 and a second end 302 corresponding to the first end 301 and a closed surface. The outer wall of the inner tube 30 near the first end 301 has an external thread section 31 , The outer peripheral wall of the inner tube 30 near the second end 302 has a plurality of radially protruding teeth 33 , and the teeth 33 are spaced apart; and from the second end 302 of the inner tube 30 The center and the periphery of the closed surface are respectively projected to form a metal guide rod 35 and an annular projection 37 , wherein the end near the metal guide rod 35 is recessed radially in the direction of the body to form a locking portion 351 .

Please refer to FIG. 2 again, and the signal protection module 40 includes a tubular blocking member 41 , a ring inductor 42 , two capacitors 43 , a set of setting members 44 and a conductive member 45 .

The outer wall of the tubular barrier 41 has a plurality of radially convex teeth 411 , and the teeth 411 are spaced apart; and the inner wall of the tubular barrier 41 has a plurality of radially concave fitting portion 413, fitting portion 413 and such system corresponding to match those of the teeth 30 of the inner tube portion 33. It is worth mentioning that the tubular barrier 41 is made of plastic material and thus has the function of preventing electrical interference.

The ring inductor 42 has an opening 421 and the two capacitors 43 are all non-polar multilayer ceramic capacitors. It is worth mentioning that the inductance value (or inductance value) of the ring inductor 42 matches the capacitance value (or capacitive reactance value) of the two capacitors 43 to improve the overall isolation of the signal protection module 40 from the outside world The effect of noise interference, thereby preventing the electrical damage caused by external high-voltage surges to other internal electronic components.

The assembly member 44 is ring-shaped and has a through hole 441 , and the assembly member 44 is made of plastic material and thus has the technical effect of preventing electrical interference. In addition, the assembly member 44 is provided with two sets of holes 443 , and the opening directions of the two sets of holes 443 are all intersected with the opening direction of the through hole 441 , and are respectively connected to the through hole 441 , wherein, the The two capacitors 43 are respectively accommodated in the positions of the two sets of holes 443 of the assembly member 44 , and make an electrical end of any of the capacitors 43 electrically connected to the metal guide rod 35 of the inner tube 30 . In addition, the body of the assembly member 44 is concavely provided with two limiting portions 447 , and the two limiting portions 447 are arranged alternately with the two sets of holes 441 . The set 44 of the signal protection module 40 disclosed in the first preferred embodiment of the present invention is an example in which the two sets of holes 443 are in the same axial opening direction and perpendicular to the opening of the through hole 441 The direction in which the two limiting portions 447 are recessed is the same as the through hole 441 . It is worth mentioning that the set of fittings 44 can also only penetrate a set of holes 443 and only recess a limiting portion 447 .

Please refer to FIG. 2 to FIG. 4, and the conductive member 45 based almost ring-shaped metal conductive ring has a through hole 451, and corresponding to the group is provided for perforating 44. 441; and from the periphery of the conductive member 45 toward The direction of the second end 302 of the inner tube 30 is respectively projected to form two pressing pieces 453 , two guide pieces 455 and two clamping pieces 457 , and the pressing pieces 453 and the guide pieces 455 and the fixing pieces 457 are arranged at intervals around the through hole 451 . Wherein, the conductive member 45 is disposed between one side of the ring inductor 42 and the assembly member 44 , so that the two pressing pieces 453 of the conductive member 45 are respectively pressed on the other electrical end of the two capacitors 43 And allow one side of the ring inductor 42 to form an electrical connection between the two pressing pieces 453 of the conductive member 45 and the two capacitors 43 . In addition, the two clamping pieces 457 of the conductive member 45 respectively correspond to the positions of the two limiting portions 447 of the assembly member 44 . In addition, any of the conductive member 45 of the guide tab 455 a system for abutting the inner circumferential wall of the outer tube 20 to form an electrical connection, preferably, the conductive member 45 according to any one of the guide tab 455 line The limiting position abuts on the position of the limiting portion 26 on the inner peripheral wall of the outer tube 20 . It is worth mentioning that the conductive member 45 can also only protrude a pressing piece 453 , a guiding piece 455 and a clamping piece 457 respectively .

Please refer to FIG. 2 again, and the transmission component 50 includes a circuit substrate 51 , a conductive member 53 and a transmission member 55 ; and the circuit substrate 51 is electrically connected to the conductive member 53 and the transmission member 55 respectively . The conductive member 53 is electrically connected to one side of the circuit board 51 , and the conductive member 53 is generally C-shaped to form a through hole 531 ; and the conductive member 53 corresponds to the other side of the circuit board 51 The body is protruded to form five positioning protrusions 533 , and the positioning protrusions 533 are all spaced apart from each other; and it is worth mentioning that the conductive member 53 is elastic and only one positioning protrusion 533 can be provided . The transmission element 55 is a tubular metal guide core and is electrically connected to the other side of the circuit substrate 51 to transmit the signal to the outside.

Based on the technical characteristics of the components disclosed in the above first preferred embodiment, when assembling the signal protection device 10 and the cable connector 1 using the signal protection device 10 , etc., please refer to FIG. 2 to FIG. 4. That is, the tubular barrier 41 of the signal protection module 40 is first sleeved on the inner tube 30 so that the tubular barrier 41 is locked to the teeth of the inner tube 30 by the fitting parts 413 33 . Then, the assembly member 44 of the signal protection module 40 is sleeved on the metal guide rod 35 of the inner tube 30 through the perforation 441, and the sleeve 44 is sleeved in the two sets of holes 443 of the assembly member 44 The electric end of the two capacitors 43 is electrically connected to the metal guide rod 35 of the inner tube 30 , and the side of the assembly 44 is abutted against the annular protrusion 37 of the inner tube 30 to create a buffering technique effect. Next, the conductive member 45 of the signal protection module 40 is sleeved on the metal guide rod 35 of the inner tube 30 through the perforation 451 , so that the two pressing pieces 453 of the conductive member 45 are respectively pressed on the two capacitors 43 The other electrical end, and the two clamping pieces 457 of the conductive member 45 are respectively locked and fixed to the two limiting portions 447 of the assembly member 44 . Then, the ring inductor 42 is sleeved on the metal guide rod 35 of the inner tube 30 through the opening 421 so that one side of the ring inductor 42 can pass through the two pressed pieces 453 and the two capacitors of the conductive member 45 43 forms an electrical connection.

To carry on, then, the inner tube 30 together with the tubular barrier 41 of the signal protection module 40 , the ring inductor 42 , the assembly member 44 and the conductive member 45 together from the outer tube 20 The first accommodating portion 23 of the inner peripheral wall is arranged inside in the direction of the internal thread section 21 , so that the teeth portions 411 of the tubular barrier 41 of the signal protection module 40 are fitted and locked in the outer tube 20 The plurality of fitting sections 231 of the first accommodating portion 23 , and the tubular barrier 41 of the signal protection module 40 is locked at the position of the second accommodating portion 25 of the outer tube 20 , and At the same time, it is blocked by the shoulder 24 of the outer tube 20 . At this time, the metal guide rod 35 of the inner tube 30 is located inside the outer tube 20 , and the outer threaded section 31 of the inner tube 30 is exposed, and in addition, the signal protection module 40 is electrically conductive Any one of the guide pieces 455 of the member 45 abuts and is limited to the position of the limiting portion 26 on the inner peripheral wall of the outer tube 20 .

To carry on, then, the transmission component 50 is installed from the port of the outer tube 20 having the internal threaded section 21 , so that the conductive member 53 of the transmission component 50 is sleeved on the inner tube 30 through the perforation 531 The metal guide rod 35 forms an electrical connection, and allows the transmission member 55 of the transmission assembly 50 to be exposed at the port of the internal thread section 21 of the outer tube 20 ; preferably, the conductive member 53 of the transmission assembly 50 The locking portion 351 of the metal guide rod 35 of the inner tube 30 is clamped, so that the positioning protrusions 533 of the conductive member 53 of the transmission component 50 can closely abut against the ring shape of the signal protection module 40 The other side of the inductor 42 allows the signal to be transmitted to the outside through the transmission element 55 of the transmission element 50 .

In summary, after the technical characteristics and assembly process of the signal protection device 10 and its components disclosed in the first preferred embodiment of the present invention, which are installed on the cable, the desired technical effect lies in :

First, the signal protection device 10 with modular and miniaturized design. Please refer to FIG. 2 to FIG. 4 again, which means that the outer tube 20 of the signal protection device 10 disclosed in this creation does have its volume limit in the actual product application specifications, so it is designed through modularization and miniaturization The signal protection device 10 can effectively increase the maximum tolerance value of isolated noise in a limited volume space. In detail, when interference from external noises or high-voltage surges occurs, it can be electrically conducted through the external threaded section 31 of the inner tube 30 to the signal protection mode electrically connected to the metal guide rod 35 any of the group 44 group 40 of the guiding member a to the capacitor 43, and then, and then through the conductive member according to any 45 of one of the conductive tab 455 is electrically conducted to the outer tube inner peripheral wall 20, therefore, based by having the mold The assembled signal protection module 40 and its components can effectively suppress interference phenomena such as external noise or high voltage surge.

Second, the signal protection device 10 with double protection design. Please refer to FIG. 3 and FIG. 4 again, that is, when interference from external noise or high voltage surge, etc., except through the outer peripheral surface of the metal guide rod 35 of the inner tube 30, it is electrically conducted to the signal protection 44 in any of the modules 40 a group member disposed outside of the capacitor 43, the signal any more protected by the conductive member 40 of the module 45, a guide tab and the electrically conductive inner to the outer tube 20 of the 455 Peripheral wall, in this way, in addition to effectively avoiding the damage from the external noise or high voltage surge and other components caused by the circuit board 51 of the transmission component 50 or the transmission member 55 and other components, the dual protection design of the The signal protection module 40 can strengthen the suppression of external noise or high voltage surge and other interference phenomena.

Third, it has a structure to fix the signal protection device 10 and prevent falling off. Please refer to FIG. 3 and FIG. 4 again, that is, after the assembly of the inner tube 30 , the signal protection module 40 , the outer tube 20, and the transmission component 50 of the signal protection device 10 is completed, the outer The outer wall of the tube 20 near the first accommodating portion 23 is deformed radially toward the outer threaded section 31 of the inner tube 30 until it is caught by the tubular barrier 41 of the signal protection module 40 , which makes the signal The components of the inner tube 30 and the signal protection module 40 of the protection device 10 can be fixed to avoid falling off.

Please refer to FIG. 5, which is another cable connector 1A used for installation in a cable disclosed in the second preferred embodiment of the present invention. Its main structure is the same as the first preferred embodiment disclosed above, but different The reason is that the number of the set member 44A and the conductive member 45A of the signal protection module 40A is 2, and the other set member 44A and the other conductive member 45A are sleeved on the ring inductor 42A On the other side, opposite to the set of setting members 44A and the one conductive member 45A ; similarly, any set of setting members 44A are respectively accommodated in the two capacitors 43A , and any one of the capacitors 43A An electrical end is electrically connected to the metal guide rod 35A of the inner tube 30A .

Please refer to FIG. 6, which is another cable connector 1B for installation in a cable disclosed in the third preferred embodiment of the present invention. Its main structure is the same as the first and second preferred embodiments disclosed above, and The difference is that the number of the signal protection modules is two, and they are sequentially sleeved on the positions of the metal guide bars 35B of the inner tube 30B , so that the ring inductor 42B of any of the signal protection modules , provided that the group member 44B is formed like member 45B and the conductive member disposed staggered spacing; Likewise, any of the protection module of the set of signal provided based member 44B accommodated in the two respective capacitor 43B, and any of the capacitor An electrical end of 43B is electrically connected to the metal guide rod 35B of the inner tube 30B .

Please refer to FIG. 7, which is another cable connector 1C for installation in a cable disclosed in the fourth preferred embodiment of the present invention. Its main structure is the same as the first, second, and third preferred implementations disclosed above. For example, the difference is that the number of the signal protection modules is two, and the set of the setting member 44C and the conductive member 45C are additionally provided on the other side of the ring inductor 42C . Wherein, the signal protection modules are sequentially sleeved on the position of the metal guide rod 35C of the inner tube 30C , so that any of the ring inductor 42C of the signal protection module, the assembly member 44C and the conductive member 45C and other components are formed in a staggered arrangement; similarly, the set 44C of any of the signal protection modules is separately accommodated in the two capacitors 43C , and an electrical end of any of the capacitors 43C is electrically connected The metal guide rod 35C of the inner tube 30C .

Based on the technical features of the components disclosed in the second, third, and fourth preferred embodiments, the desired technical effect is that different inductance values (or Impedance value) after matching different capacitance values (or capacitive reactance values), the preset frequency point and the tolerance value of the isolated noise will be used to select at least one or a plurality of ring inductors for assembly, except for In addition to effectively improving the applicability of the organization, it can better meet the practical needs of customized design.

Finally, it must be reiterated that anyone with ordinary knowledge in the technical field to which this creation belongs should be able to clearly understand that these detailed descriptions and the embodiments listed in this creation are only suitable for explaining the structure, method, process, etc. of this creation and The intended effect, not the scope used to limit the scope of the patent application for this creation, other equivalent elements, components, objects, structures, devices, methods or processes should be replaced or changed by the patent application scope of this case. Covered.

20‧‧‧Outer tube

23‧‧‧The first accommodating department

24‧‧‧ shoulder

25‧‧‧Second accommodating department

26‧‧‧Limiting Department

30‧‧‧Inner tube

35‧‧‧Metal guide

351‧‧‧Card Design Department

42‧‧‧Toroidal inductor

43‧‧‧Capacitance

44‧‧‧ Assembly

443‧‧‧Sleeve

453‧‧‧Compression

455‧‧‧Guide piece

457‧‧‧Design card

533‧‧‧Positioning

Claims (10)

A signal protection device, comprising: an inner tube having a first end and a second end corresponding to the first end and being a closed surface, the outer wall of the inner tube near the first end having an external thread Segment; and the center and the periphery of the closed surface of the second end of the inner tube project to form a metal guide rod; and a signal protection module, which includes a tubular barrier, a ring inductor, at least one capacitor, a set of equipment And a conductive member, and the ring inductor, the assembly member and the conductive member are individually sleeved on the metal guide rod of the inner tube; and the inner peripheral wall of the tubular barrier member has a plurality of radially recessed fittings Part for latching on the inner tube; and the assembly piece is provided with a perforation and at least one set of holes, and the perforation is used to set a metal guide rod of the inner tube, the at least one set of holes is in communication In the perforation and the metal guide rod of the inner tube; and the at least one capacitor is accommodated in the at least one set of holes in the assembly, and is electrically connected to the metal guide rod of the inner tube; and the conductive member It is a metal conductive ring and is arranged between one side of the ring inductor and the components of the assembly; and the conductive element is provided with a perforation corresponding to the perforation of the assembly; and the conductive element has The at least one protruding pressing piece and the at least one protruding contact piece make the ring inductor pass through the other side of the at least one capacitor accommodated in the at least one set of holes of the assembly and are electrically conductive The at least one pressed piece of the piece is pressed to form an electrical connection. The signal protection device as described in item 1 of the patent application range, wherein the outer peripheral wall close to the second end of the inner tube has a plurality of radially protruding and spaced plural tooth portions for locking on the signal protection module The fitting parts of the tubular barrier. The signal protection device as described in item 2 of the patent application scope, wherein the closed surface of the second end of the inner tube protrudes to form an annular convex wall, and the annular convex ring is provided on the metal guide rod so that One side of the ring-shaped convex is closely attached to the assembly of the signal protection module. The signal protection device as described in item 1 of the patent application scope, wherein the closed surface of the second end of the inner tube protrudes to form an annular convex wall, and the annular convex ring is provided on the metal guide rod so that One side of the ring-shaped convex is closely attached to the assembly of the signal protection module. The signal protection device according to any one of the items 1 to 4 of the patent application range, wherein the opening direction of the at least one set of holes of the set of fittings intersects the opening direction of the perforation. A cable connector, comprising: a signal protection device as described in any one of claims 1 to 4; and an outer tube, the inner peripheral wall of one end of which has an internal threaded section, and the inner peripheral wall of the other end A first accommodating portion and a second accommodating portion with radial recesses; and the radial dimension of the first accommodating portion is larger than the radial dimension of the second accommodating portion to form a shoulder, and From the second accommodating part towards the direction of the internal thread segment to form a push-out limiting part; wherein, the inner tube of the signal protection device faces from the first accommodating part of the outer tube The direction of the internal thread segment is set, and the metal guide rod of the inner tube is located inside the outer tube, so that the tubular barrier of the signal protection module is locked on the first accommodating portion of the outer tube and locked It stops at the second accommodating part of the outer tube and is blocked by the shoulder of the outer tube; and the at least one connecting piece of the conductive part of the signal protection module is abutted and limited to be located in the outer tube The limiting portion of the peripheral wall also forms an electrical connection. The cable connector as described in item 6 of the patent application scope further includes a transmission component, which is arranged from the inner thread section of the outer tube toward the first accommodating portion; and the transmission component includes a circuit substrate , A flexible conductive member and a transmission member; the circuit board is electrically connected to the conductive Component and the transmission component; and the conductive component is electrically connected to one side of the circuit substrate, and the conductive component has a through hole formed to cover the metal guide rod of the inner tube of the signal protection module The electrical connection; and the body of the conductive member corresponding to the other side of the circuit board protrudes to form at least one positioning protrusion for abutting against the other side of the ring inductor of the signal protection module. The cable connector as described in item 7 of the patent application scope, wherein the end of the metal guide rod near the inner tube is recessed radially toward the body to form a locking portion, which is used to allow the transmission component to The conductive member is clamped so that the at least one positioning protrusion of the conductive member of the transmission component closely abuts the other side of the ring inductor of the signal protection module. The cable connector as described in item 8 of the patent application scope, wherein the inner peripheral wall of the first accommodating portion of the outer tube is deformed radially toward the outer threaded section of the inner tube until it is caught by the signal protection The tubular barrier of the signal protection module of the device. The cable connector as described in item 9 of the patent application scope, wherein the inner peripheral wall of the first accommodating portion of the outer tube has a plurality of radially extending and spaced plural fitting sections; the signal protection module of the signal protection device The outer peripheral wall of the tubular blocking member of the group has a plurality of radially protruding and spaced teeth; and when the inner tube of the signal protection device is directed from the first accommodating portion of the inner peripheral wall of the outer tube toward the inner thread The direction of the segments is set so that the teeth of the tubular blocking member of the signal protection module are fitted and snap-fitted at the positions of the plurality of fitting segments of the first accommodating portion of the outer tube.

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