CN109888562B

CN109888562B - High-frequency connector

Info

Publication number: CN109888562B
Application number: CN201910262054.8A
Authority: CN
Inventors: 李铁生; 潘世暖; 陈琼南; 袁双峰; 沈学平; 王耀文; 易四海; 金龙
Original assignee: Dongguan Luxshare Technology Co Ltd
Current assignee: Dongguan Luxshare Technology Co Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2021-06-08
Anticipated expiration: 2039-04-02
Also published as: CN109888562A

Abstract

The invention relates to the technical field of high-frequency connectors, and discloses a high-frequency connector which comprises a circuit board, a cable connected to the tail part of the circuit board, an upper shell and a lower shell, wherein the upper shell and the lower shell are coated on the outer sides of the circuit board and part of the cable; the positioning bolt is configured to fixedly connect the upper housing and the lower housing. Restrain the piece and fix last casing and casing down, the location bolt is fixed last casing and casing down once more on the basis that the piece links firmly of restraining, can strengthen the connection of restraining the piece to last casing and casing down fixed. The upper shell and the lower shell are fixedly connected by adopting the restraint piece and the positioning bolt, the upper shell and the lower shell are firmly fixed, and the upper shell and the lower shell cannot be burst by an internal lead.

Description

High-frequency connector

Technical Field

The invention relates to the technical field of high-frequency connectors, in particular to a high-frequency connector.

Background

The plug of the common high-frequency data line comprises an upper iron shell, a lower iron shell, a circuit board, a bolt locking mechanism and a cable, wherein the upper iron shell and the lower iron shell jointly enclose to form an accommodating cavity, the accommodating cavity is used for accommodating the circuit board and the part of the cable connected with the circuit board, the cable is composed of a plurality of conductor sets, and each conductor set at least comprises a pair of core wires (conductors) and an insulating layer coated outside the core wires.

The cable used by the general standard QSFP has eight sets of conductor sets, each set of conductor set includes a pair of core wires (conductors) and a pair of ground wires (conductors), and each core wire is coated with an insulating layer, so that the general standard QSFP has 32 conductors, and it can be seen that the conductor density on the cross section of the accommodation chamber is very high.

When the data line is expected to transmit more high frequency signals or increase the frequency of the transmitted signals, the most common means is to change the diameter of the conductor or increase the number of high speed transmission channels for upgrading, and these upgrading means will change the size of the cable, or increase the number of core wires, ground wires, or both of them in the cable. However, in order to be able to mate with the pre-upgrade device, with backward compatible applications, the cable upgraded plug needs to have the same cross-sectional dimensions or an apparent size that does not significantly increase. Resulting in an increased density of conductors within the receiving cavity of the plug, these wires will burst and expand the upper and lower housings.

Therefore, a high frequency connector is needed to solve the above technical problems.

Disclosure of Invention

The invention aims to provide a high-frequency connector, wherein an upper shell and a lower shell can be firmly fixed.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a high-frequency connector, including the circuit board, connect in cable and the casing of circuit board, the casing includes last casing and lower casing of looks lock, go up the casing with lower casing forms an accommodation space, circuit board part accept in the accommodation space, the front end of circuit board expose in the accommodation space sets up, is configured as and docks with the butting connector, high-frequency connector still includes: a restraint fixed to upper and lower sides of the housing and configured to fix the upper housing and the lower housing; the positioning bolt penetrates through the upper shell and the lower shell and is configured to fixedly connect the upper shell and the lower shell.

Preferably, the free end of the restraint member is provided with a fixing portion, and the fixing portion is fixed on the upper shell or the lower shell.

Preferably, the left side and the right side of the upper housing are provided with a first accommodating groove or a first accommodating hole, and two side wall portions of the restraint member are accommodated in the first accommodating groove or the first accommodating hole; or the left side and the right side of the upper shell are provided with a first accommodating groove and a first accommodating hole, and two side wall parts of the restraint piece are accommodated in the first accommodating groove and the first accommodating hole; two sides of the lower shell are respectively provided with a second accommodating groove or a second accommodating hole, and two side wall parts of the restraint piece are accommodated in the second accommodating grooves or the second accommodating holes; or both sides of the lower shell are provided with a second accommodating groove and a second accommodating hole, and the two side wall parts of the restraint piece are accommodated in the second accommodating groove and the second accommodating hole.

Preferably, a first accommodating groove for accommodating the bottom wall of the restraint piece is formed in the upper surface of the upper shell, and a second accommodating groove for accommodating the fixing part is formed in the lower surface of the lower shell; or a first accommodating groove for accommodating the bottom wall of the restraint piece is arranged on the lower surface of the lower shell, and a second accommodating groove for accommodating the fixing part is arranged on the upper surface of the upper shell.

Preferably, the positioning bolt is a positioning bolt, the upper shell and the lower shell are both provided with fixing holes, and the positioning bolt is in interference fit with the fixing holes.

Preferably, the high-frequency connector further comprises a latch disposed at a rear portion of the upper housing and the lower housing, and a lever member connected to a rear portion of the latch.

Preferably, go up the casing with be provided with the joint groove on the lateral wall of the left and right sides of casing down, all be provided with on two lateral walls of bolt-lock stretch into in the joint arch of joint inslot, the joint arch can follow in the joint inslot the length direction of going up the casing slides.

Preferably, the left side wall and the right side wall of the upper shell or the lower shell are both provided with buffer grooves, elastic pieces are arranged in the buffer grooves, the bolt lock is provided with abutting protrusions extending into the buffer grooves, and two ends of each elastic piece abut against one end, far away from the circuit board, of the buffer groove and the abutting protrusions respectively.

Preferably, still include the bunch pipe, the cable includes many wires, the one end of wire weld in the circuit board, wire portion tie in the bunch pipe, bunch pipe part accept in go up the casing with in the inferior valve body, another part expose in go up the casing with the casing sets down.

Preferably, the outer side of the end part of the wiring pipe close to one end of the circuit board is wrapped with a metal foil.

The invention has the beneficial effects that: restrain the piece and carry out fixed connection to last casing and casing down, the location is tied and is fixed last casing and casing down once more on the basis of restraining piece fixed connection, can strengthen the connection of restraining the piece to last casing and casing down fixed. The upper shell and the lower shell are fixedly connected by adopting the restraint piece and the positioning bolt, the upper shell and the lower shell are firmly fixed, and the upper shell and the lower shell cannot be burst by an internal lead.

Drawings

FIG. 1 is a schematic view of a high frequency connector according to the present invention;

FIG. 2 is a schematic view of another high frequency connector according to the present invention;

FIG. 3 is a schematic structural diagram of the high frequency connector provided in the present invention (excluding the restraining member, the latch and the pulling bar member);

FIG. 4 is a schematic structural view of a high frequency connector provided by the present invention (excluding the latch and the lever member);

fig. 5 is a schematic structural view of the high-frequency connector provided by the present invention (excluding the lower housing, the latch and the lever member);

FIG. 6 is a schematic view of a restraint according to the present invention;

FIG. 7 is a partial structural schematic view of a lower housing provided in accordance with the present invention;

FIG. 8 is a schematic structural view of a lower case provided by the present invention;

FIG. 9 is a schematic view of a portion of the structure of the upper housing provided by the present invention;

FIG. 10 is a schematic structural view of a lower case provided by the present invention;

fig. 11 is a schematic structural diagram of the latch according to the present invention.

In the figure: 1. a circuit board; 2. a cable;

3. an upper housing; 31. a first accommodation hole; 32. a first receiving groove; 33. a clamping groove; 34. a buffer tank; 35. a second fixing hole;

4. a lower housing; 411. a second accommodating groove; 412. a second accommodation hole; 42. a second receiving groove; 421. a fixed protrusion; 43. a first fixing hole;

5. a restraint member; 51. a fixed part; 6. positioning bolts; 7. a latch; 71. an abutment projection; 72. clamping the bulges;

8. a pull rod member; 9. a wire bundling pipe; 91. a metal foil; 10. an elastic member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are used only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements to be referred to must have specific orientations, be constructed in specific orientations, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

When the data line is expected to transmit more high frequency signals or increase the frequency of the transmitted signals, the most common means is to change the diameter of the conductor or increase the number of high speed transmission channels for upgrading, and the upgrading means changes the size of the cable, or increases the number of core wires, the number of ground wires, or both of them in the cable. However, in order to be able to mate with the pre-upgrade device, with backward compatible applications, the cable upgraded plug needs to have the same cross-sectional dimensions or an apparent size that does not significantly increase. As a result, the density of the conductors in the receiving cavity of the plug increases, and the wires will burst and expand the upper and lower shells, thereby requiring a relatively firm fixation of the upper and lower shells.

In order to solve the above problem, as shown in fig. 1 to 5, the present embodiment discloses a high frequency connector, which includes a circuit board 1, a cable 2 and a housing, wherein the wires in the cable 2 are soldered to the tail portion of the circuit board 1. The upper shell 3 and the lower shell 4 of the shell are buckled with each other to form an accommodating space, the circuit board 1 is partially accommodated in the accommodating space, and the front end of the circuit board is exposed out of the accommodating space and is configured to be in butt joint with the butting connector. One end of the cable 2 connected with the circuit board 1 is also accommodated in the accommodating space. Conductor density of the cross section of the accommodating space for accommodating the cable 2 formed by the upper shell 3 and the lower shell 4 is higher than that of the existing conductor density, the upper shell 3 and the lower shell 4 need to be fixed more firmly, and the cable explosion of the upper shell 3 and the lower shell 4 in the accommodating space is avoided. The part of the cable 2 refers to the end connected to the circuit board 1. The front end of the circuit board 1 is provided with a plurality of contact fingers, and when the circuit board is matched with electronic equipment in an inserting mode, the contact fingers are contacted with an interface on the electronic equipment so as to communicate the high-frequency connector with the electronic equipment.

The high-frequency connector further comprises restraint pieces 5 and positioning bolts 6, wherein the restraint pieces 5 are fixed on the upper side and the lower side of the shell and are configured to be fixedly connected with the upper shell 3 and the lower shell 4. The restraint 5 is U-shaped (see fig. 6), preferably, the bottom of the restraint 5 in this embodiment is pressed against the upper surface of the upper housing 3, and two free ends of the restraint 5 are fixed on the lower housing 4, so as to fixedly connect the upper housing 3 and the lower housing 4. In other embodiments, the bottom of the restraint member 5 can also be pressed against the lower surface of the lower housing 4, and the two free ends of the restraint member 5 are fixed on the upper housing 3 to realize the fixed connection of the upper housing 3 and the lower housing 4. The positioning bolt 6 is inserted through the upper housing 3 and the lower housing 4, and is configured to fixedly connect the upper housing 3 and the lower housing 4.

Specifically, the left and right sides of the upper housing 3 are provided with a first accommodating groove or a first accommodating hole, and the two side wall portions of the restraint piece 5 are accommodated in the first accommodating groove or the first accommodating hole; or the left and right sides of the upper shell 3 are provided with a first accommodating groove and a first accommodating hole, and the two side wall parts of the restraint piece 5 are accommodated in the first accommodating groove and the first accommodating hole. Preferably, in the present embodiment, the upper housing 3 is provided with first receiving holes 31 on both left and right sides, and the two side wall portions of the restraint 5 are inserted into the first receiving holes 31.

Two sides of the lower shell 4 are respectively provided with a second accommodating groove or a second accommodating hole, and two side wall parts of the restraint piece 5 are accommodated in the second accommodating grooves or the second accommodating holes; or both sides of the lower shell 4 are provided with a second accommodating groove and a second accommodating hole, and the two side wall parts of the restraint piece 5 are accommodated in the second accommodating groove and the second accommodating hole. Preferably, in the present embodiment, the second receiving groove 411 and the second receiving hole 412 are disposed on both sides of the lower housing 4, two sidewall portions of the restraint member 5 are received in the second receiving groove 411 and the second receiving hole 412, and the second receiving groove 411 is located on a side close to the upper housing 3. The first receiving hole 31, the second receiving hole 411 and the second receiving hole 412 are engaged to limit the position of the restraint member 5, so that the restraint member 5 is not displaced by sliding.

A fixing portion 51 is provided at a free end of the restraint 5, the fixing portion 51 is fixed to the upper case 3 or the lower case 4, and preferably, the fixing portion 51 is fixed to the lower case 4 in this embodiment.

Specifically, a first accommodating groove for accommodating the bottom wall of the restraint member 5 is formed on the upper surface of the upper housing 3, and a second accommodating groove for accommodating the fixing portion 51 is formed on the lower surface of the lower housing 4; or a first receiving groove for receiving the bottom wall of the restraint member 5 is formed on the lower surface of the lower case 4, and a second receiving groove for receiving the fixing portion 51 is formed on the upper surface of the upper case 3. Since the bottom wall of the retainer 5 is pressed against the upper housing 3 in this embodiment, the first receiving groove 32 is disposed on the upper surface of the upper housing 3 (specifically, refer to fig. 9), and the second receiving groove 42 is disposed on the lower surface of the lower housing 4 (specifically, refer to fig. 7). Specifically, the first receiving groove 32 communicates with the first receiving holes 31 on the left and right sides, and in other embodiments, the first receiving groove 32 may also be disposed through the left and right sides of the upper housing 3.

The lower case 4 is provided with a second receiving groove 42 on both left and right sides of the lower surface, and the bottom surface of the second receiving groove 42 is provided with a fixing protrusion 421 at a position close to both left and right sides of the lower case 4, as shown in fig. 7.

The fixing portion 51 is bent inward toward the free end of the sidewall, and is formed by an barb or other protruding deformation, so that the fixing portion 51 is engaged with the second receiving groove 42. In this embodiment, the fixing portion 51 is bent inward, and the end portion is bent inward again, so that the end portion is limited by the fixing protrusion 421 and is not easy to slip off from the second receiving groove 42.

In other embodiments, the width of the second receiving groove 42 near the edge of the lower housing 4 is smaller than the width of the second receiving groove far from the edge, and the fixing portion 51 is correspondingly disposed, i.e. the fixing portion 51 has an inverted trapezoid shape. The fixing portion 51 is bent and then clamped in the second receiving groove 42, and the fixing portion 51 is clamped in the second receiving groove 42 because the width of the edge portion close to the lower case 4 is smaller than the width of the edge portion far away from the edge portion.

The upper casing 3 and the lower casing 4 are made of metal, and the upper casing 3 and the lower casing 4 in the embodiment are both iron shells. All be provided with the fixed orifices on last casing 3 and the casing 4 down, set up to be first fixed orifices 43 on last casing 3, set up to be second fixed orifices 35 on casing 4 down. First fixing holes 43 are provided on both side walls of the lower case 4, with particular reference to fig. 7 and 8. Both side walls of the upper case 3 are provided with second fixing holes 35 corresponding to the first fixing holes 43, referring to fig. 10 in particular. As shown in fig. 2, 4 and 5, the positioning bolt 6 is inserted into the first fixing hole 43 and the second fixing hole 35, and is in interference fit with both the first fixing hole 43 and the second fixing hole 35. The positioning bolt 6 in this embodiment is a screw, the first fixing hole 43 is a through hole, and the screw is screwed into the first fixing hole 43 and then screwed into the second fixing hole 35 from the first fixing hole 43, so as to position and fix the upper housing 3 and the lower housing 4. And then the restraint 5 is riveted and fixed for reinforcement again. The outer diameter of the screw is larger than the inner diameter of the first fixing hole 43 and the second fixing hole 35, and the screw and the first fixing hole 43 and the second fixing hole 35 are in interference positioning, namely in interference fit, in a spiral turning and reaming mode. The positioning pegs 6 may also be rivets or the like in other embodiments.

Two lateral walls of going up casing 3 all are provided with spacing arch, all are provided with on two lateral walls of casing 4 down with spacing protruding matched with spacing groove, go up casing 3 and casing 4 cooperation spacing groove when buckling down and carry out preliminary spacing, are convenient for restrain the installation of piece 5 and pilot pin 6.

Optionally, as shown in fig. 1 and 2, the high-frequency connector further includes a latch 7 and a pull rod 8, the latch 7 slides on the rear portions of the upper housing 3 and the lower housing 4, and the latch 7 can slide along the length direction of the upper housing 3. The pull rod piece 8 is connected to the tail of the bolt lock 7, and a pull ring is arranged at the tail of the pull rod piece 8.

Specifically, referring to fig. 8 and 10, the upper housing 3 and the lower housing 4 are provided with grooves on both left and right sides thereof for accommodating both side walls of the latch 7. Be provided with joint groove 33 on the lateral wall of the left and right sides of going up casing 3 and lower casing 4, the opening in joint groove 33 is located the lateral wall of recess. Clamping protrusions 72 (specifically, as shown in fig. 11) extending into the clamping grooves 33 are disposed on the left and right sides of the two side walls of the bolt lock 7, the width of the clamping protrusions 72 is smaller than the length of the clamping grooves 33, and the clamping protrusions 72 can slide in the clamping grooves 33 along the length direction of the upper housing 3.

In this embodiment, the buffer grooves 34 are disposed on both the left and right side walls of the upper case 3, and in other embodiments, the buffer grooves 34 may also be disposed on the lower case 4. The elastic member 10 is disposed in the buffer slot 34, and referring to fig. 3 and 5, the latch 7 is disposed with an abutting protrusion 71 (specifically, as shown in fig. 11) extending into the buffer slot 34, and both ends of the elastic member 10 abut against one end of the buffer slot 34 away from the circuit board 1 and the abutting protrusion 71, respectively. When the high-frequency connector is inserted into a computer or other electronic equipment and needs to be pulled out, the fastening ring is pulled out, the bolt lock 7 slides backwards relative to the upper shell 3, the elastic piece 10 is compressed, the upper shell 3 and the lower shell 4 drive the circuit board 1 to be pulled out, the circuit board 1 cannot be pulled out by a large force when moving outwards at first due to the buffering of the elastic piece 10, and the contact finger on the circuit board 1 can be effectively protected.

Optionally, as shown in fig. 5, the high-frequency connector further includes a wire harness 9, the cable 2 includes a plurality of wires, one ends of the wires are welded to the circuit board 1, a portion of the wires is bound in the wire harness 9, a portion of the wire harness 9 is accommodated in the upper housing 3 and the lower housing 4, and another portion of the wire harness 9 is exposed from the upper housing 3 and the lower housing 4. The outer side of the end portion of the bundle pipe 9 near one end of the circuit board 1 is covered with a metal foil 91. In this embodiment, the copper foil is used, and the metal foil 91 covers the cable 2 to form a shielding layer, so that the loss of signals transmitted by the wires is reduced. The metal foil 91 is enclosed in the upper case 3 and the lower case 4, so that the metal foil 91 is not easily damaged.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The high-frequency connector is characterized by comprising a circuit board (1), a cable (2) connected to the circuit board (1) and a shell, wherein the shell comprises an upper shell (3) and a lower shell (4) which are buckled with each other, the upper shell (3) and the lower shell (4) form an accommodating space, the circuit board (1) is partially accommodated in the accommodating space, the front end of the circuit board (1) is exposed out of the accommodating space and is configured to be in butt joint with a butt joint connector, and the high-frequency connector further comprises:

the restraint piece (5) is U-shaped, and the restraint piece (5) comprises a bottom wall, two side walls and a fixing part (51), wherein the two side walls are bent upwards from two ends of the bottom wall, and the fixing part is bent and extended from one end, far away from the bottom wall, of each side wall;

a first accommodating groove is formed in the upper surface of the upper shell (3), and the bottom wall is arranged in the first accommodating groove;

first accommodating holes are formed in the left side and the right side of the upper shell (3), second accommodating holes communicated with the first accommodating holes are formed in the two sides of the lower shell (4), and the side walls penetrate through the first accommodating holes and the second accommodating holes;

be provided with on the lower surface of lower casing (4) fixedly the second accepting groove of fixed part (51), be provided with fixed arch (421) on the bottom surface of second accepting groove (42), fixed part (51) are the inside bending's of the free end of lateral wall buckling, and the tip is inwards bent once more, and the tip quilt fixed arch (421) joint is spacing.

2. The high-frequency connector according to claim 1, further comprising a positioning bolt (6), wherein the positioning bolt (6) is inserted into the upper housing (3) and the lower housing (4) and configured to fixedly connect the upper housing (3) and the lower housing (4).

3. The high-frequency connector according to claim 2, wherein fixing holes are provided in the upper housing (3) and the lower housing (4), and the positioning pins (6) are in interference fit with the fixing holes.

4. The high-frequency connector according to claim 1, further comprising a latch (7) and a lever member (8), wherein the latch (7) is provided at a rear portion of the upper housing (3) and the lower housing (4), and the lever member (8) is connected to a rear portion of the latch (7).

5. The high-frequency connector according to claim 4, wherein clamping grooves (33) are formed in the side walls of the left side and the right side of the upper housing (3) and the lower housing (4), clamping protrusions (72) extending into the clamping grooves (33) are formed in both side walls of the bolt lock (7), and the clamping protrusions (72) can slide in the clamping grooves (33) along the length direction of the upper housing (3).

6. The high-frequency connector according to claim 5, wherein a buffer groove (34) is provided on each of left and right sidewalls of the upper housing (3) or the lower housing (4), an elastic member (10) is provided in the buffer groove (34), an abutting protrusion (71) extending into the buffer groove (34) is provided on the latch (7), and both ends of the elastic member (10) abut against one end of the buffer groove (34) away from the circuit board (1) and the abutting protrusion (71), respectively.

7. The high-frequency connector according to claim 1, further comprising a harness tube (9), wherein the cable (2) comprises a plurality of wires, one end of each wire is welded to the circuit board (1), the wire is partially bound in the harness tube (9), the harness tube (9) is partially accommodated in the upper shell (3) and the lower shell (4), and the other part of the harness tube is exposed from the upper shell (3) and the lower shell (4).

8. The high-frequency connector according to claim 7, wherein an outer side of an end portion of the bundle tube (9) near one end of the circuit board (1) is coated with a metal foil (91).