JP2018113224A - Coaxial connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coaxial connector in which termination of coaxial cable is simple.SOLUTION: A coaxial connector 10 includes a first contact 1, a first housing 3, and a shell 5. The first contact 1 has a pair of contact pieces 11s, 11s, and a piecing terminal 12 projecting a spear-shaped first press contact blade 12p. The first housing 3 has a circular disk part 32 and a square part 33. The circular disk part 32 has a second housing chamber 322 for housing the first contact 1. The square part 33 has an introduction hole 33h communicating with the second housing chamber 322, and capable of introducing the terminal of a coaxial cable Cb. Furthermore, the circular disk part 32 has a first lid housing 31 projecting a cam piece 31c from the inner wall. The cam piece 31c can move the first contact 1 by abutting on the piecing terminal 12 from a state where the tip of the first press contact blade 12p is placed to face the apical surface of the coaxial cable Cb, to a state where the first press contact blade 12p pieces the center conductor Wc.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a coaxial connector. In particular, the present invention relates to a coaxial connector having a piercing contact having a piercing terminal that can be pressure-contacted with a central conductor of the coaxial cable, and the coaxial cable terminal processing is simple.

  By connecting a coaxial connector fixed to the end of the coaxial cable to a receptacle mounted on the printed circuit board, a high frequency signal can be transmitted from the coaxial cable to the printed circuit board. Alternatively, a high frequency signal can be transmitted from the printed board to the coaxial cable.

  Generally, a coaxial cable is composed of a circular center conductor, a dielectric material such as a fluorine resin surrounding the periphery of the center conductor, an outer conductor such as a braided wire surrounding the periphery of the dielectric, and an insulating sheath covering and protecting the outer conductor. doing.

  For example, a contact having a piercing terminal that can be pressure-contacted with the center conductor, an insulating housing that holds the contact, covers the housing while being electrically insulated from the contact, and can fix the end of the coaxial cable. A coaxial connector configured by a conductive shell having a cable clamp at an end is disclosed (for example, see Patent Document 1).

JP-A-2006-25019

  FIG. 27 is a perspective view showing a configuration of a coaxial connector according to the prior art, and is a state diagram in which terminals of a coaxial cable are connected. FIG. 28 is a right side view showing the configuration of the coaxial connector according to the prior art, and is a state diagram in which the ends of the coaxial cable are connected. Note that FIG. 27 and FIG. 28 of the present application correspond to FIG. 1 and FIG.

  FIG. 29 is a longitudinal sectional view showing a configuration of a coaxial connector according to the prior art, and is a state diagram in which terminals of a coaxial cable are connected. FIG. 30 is a perspective view showing a configuration of a conventional coaxial connector, and is a state diagram before connecting the end of the coaxial cable to the coaxial connector. Note that FIG. 29 and FIG. 30 of the present application correspond to FIG. 7 and FIG.

  FIG. 31 is a right side view showing the configuration of the coaxial connector according to the prior art, and is a state diagram before connecting the end of the coaxial cable to the coaxial connector. FIG. 32 is a right side view showing the configuration of the coaxial connector according to the prior art, and is a state diagram before connecting the end of the coaxial cable to the coaxial connector. In addition, FIG. 31 and FIG. 32 of this application are corresponded to FIG. 10 and FIG.

  FIG. 33 is a perspective view showing a configuration of a contact provided in a coaxial connector according to the prior art. FIG. 34 is a perspective view showing a configuration of a housing provided in a coaxial connector according to the prior art. FIG. 35 is a perspective view showing a configuration of an example of a coaxial cable applied to a coaxial connector according to a conventional technique. 33 to 35 of the present application correspond to FIGS. 13 to 15 of Patent Document 1.

  FIG. 36 is a perspective view showing a configuration of a coaxial connector according to the prior art, and is a state diagram in which a terminal of a coaxial cable is connected to the coaxial connector. FIG. 37 is a perspective view showing a configuration of a mating connector connected to a coaxial connector according to the prior art. Note that FIG. 36 and FIG. 37 of the present application correspond to FIG. 16 and FIG.

  FIG. 38 is a perspective view showing a state in which the coaxial connector and the mating connector according to the prior art are connected. FIG. 38 is a longitudinal sectional view showing a state where the coaxial connector and the mating connector according to the prior art are connected. 38 and 39 of the present application correspond to FIGS. 19 and 20 of Patent Document 1.

  Referring to FIGS. 27 to 39, the coaxial connector 9 according to the prior art can connect the end of the coaxial cable Cb. The coaxial connector 9 includes a piercing contact 91, a front circular rear housing 92, and a conductive shell 93. The housing 92 has a band plate-like pressing piece 92a. The shell 93 has a cable clamp 931.

  Referring to FIG. 29, the contact 91 can electrically connect a cylindrical center contact 81 (mating contact) disposed at the center of the receptacle 8 described later and the coaxial cable Cb (see FIG. 37).

  Referring to FIG. 33, the contact 91 includes a connection terminal 911 and a bowl-shaped piercing terminal 912. The connection terminal 911 has a top plate 9t formed in a substantially rectangular shape and a pair of contact pieces 9s and 9s. The pair of contact pieces 9 s and 9 s are curved from both sides of the top plate 9 t and open at the tip end side in a Ω shape. The pair of contact pieces 9s and 9s can introduce a center contact 81 disposed in the center portion of the receptacle 8 described later (see FIG. 37).

  Referring to FIG. 33, the pair of contact pieces 9s and 9s have a pair of contact points 91s and 91s arranged at the front ends of the contact pieces 9s and 9s. The pair of contacts 91s and 91s can contact the outer periphery of the center contact 81 (not shown) (see FIG. 37).

  Referring to FIG. 33, the piercing terminal 912 extends in a band shape from the rear end portion of the top plate 9t and is inverted toward the front end portion of the top plate 9t. And the piercing terminal 912 protrudes from the front-end | tip part the hook-shaped press-contacting blade 91p. Further, a pair of steps 91d. 91d is formed.

  33 to 36, when the end of the coaxial cable Cb is moved toward the press contact blade 91p with the contact 91 held in the housing 92 (see FIG. 30), the press contact blade 91p is moved to the coaxial cable Cb. The provided central conductor Wc can be pierced to contact the central conductor Wc (see FIG. 36).

  Referring to FIG. 23, the housing 92 has a disc portion 921 and a rectangular portion 922. The disc portion 921 has a presser piece 92a erected from the end thereof. The pressing piece 92a presses the piercing terminal 912 from the opposite side to the protruding direction of the press contact blade 91p (see FIG. 30). A part of the rectangular portion 922 protrudes from the disc portion 921 in the outer circumferential direction. The disc part 921 has the 1st storage chamber h1 in the center part (refer FIG. 29).

  Referring to FIG. 29, in the first storage chamber h1, a center contact 81 disposed at the center of the receptacle 8 can be introduced freely (see FIG. 35), and one surface of the housing 92 is opened in a rectangular shape. And in the 1st storage chamber h1, a pair of contact piece 9s * 9s is arrange | positioned inside.

  Referring to FIG. 30 or FIG. 34, the housing 92 opens the second storage chamber h2 in a rectangular shape on the other surface. Part of the second storage chamber h2 communicates with the first storage chamber h1. Referring to FIG. 29 or FIG. 30, the contact 91 can be introduced into the second storage chamber h2 from the protruding direction of the contact piece 9s. Moreover, the terminal of the coaxial cable Cb can be introduced into the second storage chamber h2.

  Referring to FIG. 30 or FIG. 34, the rectangular portion 922 has a bowl-shaped groove 92d formed in the bottom surface. The groove 22d communicates with the second storage chamber h2. The end of the coaxial cable Cb can be introduced into the groove 92d. (See FIG. 36). More specifically, the terminal-treated dielectric Di can be accommodated in the second accommodation chamber h2 and the groove 92d (see FIG. 35 or FIG. 36).

  30 to 32, the shell 93 includes a cylindrical portion 932 and a pair of extending pieces 933 and 933. The cylindrical portion 932 can accommodate the disk portion 921 of the housing 92 from the same direction as the direction in which the pair of contact pieces 9s and 9s protrudes toward one surface of the cylindrical portion 932 (see FIG. 30 or FIG. 36). ).

  Referring to FIG. 30 or FIG. 36, in the pair of extending pieces 933 and 933, a part of the outer periphery of the cylindrical portion 932 continuously extends substantially in parallel. And a square part 922 can be accommodated in a pair of extension piece 933 * 933 (refer FIGS. 4-7).

  Referring to FIG. 30 or FIG. 36, the extending piece 933 protrudes a hook-shaped piercing protrusion 93 p in the centrifugal direction of the cylindrical portion 932. In a state where the center conductor Wc of the coaxial cable Cb is pierced into the pressure contact blade 91p (see FIG. 36), the pair of piercing protrusions 93p and 93p can pierce the outer conductor Wb (see FIG. 36). And the extension piece 933 and the external conductor Wb can be conducted, and the shell 93 and the external conductor Wb can be electrically connected.

  30 to FIG. 31, the cable clamp 931 has a bottom plate piece 93b. One end of the bottom plate piece 93b is connected to a part of the cylindrical portion 932 by a hinge 93h so as to be freely bent. Also, by bending the hinge 93h. The other end side of the bottom plate piece 93b can close the other surface of the cylindrical portion 932 (see FIG. 27 or FIG. 28). Thereby, the terminal of the coaxial cable Cb can be shielded.

  30 to 31, the cable clamp 931 includes a pair of crimp barrels 93 c and 93 c and a pair of insulation grips 93 i and 93 i. The pair of crimp barrels 93c and 93c can crimp the pair of extending pieces 933 and 933 (see FIG. 27 or FIG. 28). And the state which the bottom plate piece 93b of the cable clamp 931 closed the other surface of the cylindrical part 932 can be maintained.

  27 or 28, the pair of insulation grips 93i and 93i can press the insulating sheath Wi. The pair of insulation grips 93i and 93i can fix the coaxial connector 10 to the end of the coaxial cable Cb.

  Referring to FIG. 35, the coaxial connector 9 according to the prior art connects the ends of the coaxial cable Cb. The coaxial cable Cb includes a circular center conductor Wc made of a stranded wire, a dielectric Di such as a fluorine-based resin surrounding the periphery of the center conductor Wc, an external conductor Wb such as a braided wire surrounding the periphery of the dielectric Di, and an external conductor. An insulating sheath Wi that covers and protects Wb is formed. In the coaxial cable Cb shown in FIG. 35, the outer conductor Wb and the insulating sheath Wi are peeled off in advance with a predetermined peeling length L from the end face of the coaxial cable Cb. That is, the coaxial cable Cb is subjected to terminal processing.

  Next, the structure of the receptacle to which the coaxial connector according to the prior art is connected will be described. Referring to FIGS. 37 to 39, the receptacle 8 according to the prior art includes a cylindrical center contact 81, a cylindrical outer contact 82, and a housing 83 made of a dielectric.

  Referring to FIG. 37 or FIG. 39, the center contact 81 includes a cylindrical main body portion 81b and a lead portion 81r. The main body 81b has a tip end closed in a hemispherical shape and is hollow inside. The lead portion 81r extends in a strip shape from the bottom wall of the main body portion 81b in the outer peripheral direction. The lead portion 81r can be solder-bonded to the signal line of the printed circuit board (not shown).

  Referring to FIG. 37 or FIG. 39, the external contact 82 includes a cylindrical portion 82r and a plurality of flange portions 82f. The cylindrical portion 82r has an upper surface opened. Further, the cylindrical portion 82r has the main body 81b coaxially disposed inside so as to surround the main body 81b of the center contact 81. The flange portion 82f extends in a strip shape in three directions from the bottom wall of the cylindrical portion 82r. The plurality of flanges 82f can be solder-bonded to the ground pattern of a printed circuit board (not shown).

  Referring to FIG. 37, the housing 83 is formed in a rectangular plate shape. The housing 83 fixes the center contact 81 and the external contact 82 by integrally forming the center contact 81 and the external contact 82. Inside the cylindrical portion 82r, a housing 83 is provided so as to electrically insulate the center contact 81 and the external contact 82 from each other.

  38 or 39, when the coaxial connector 9 is connected to the receptacle 8, the center conductor Wc existing in the coaxial cable Cb can be connected to the center contact 81, and the outer conductor Wb present in the coaxial cable Cb is connected to the outer contact 82. Can be connected. A high frequency signal can be transmitted from the coaxial cable Cb to the printed circuit board 8p, and a high frequency signal can be transmitted from the printed circuit board 8p to the coaxial cable Cb.

  As described above, the coaxial connector according to the related art electrically connects the coaxial cable and the printed circuit board using a pair of coaxial connectors and a receptacle.

  In the conventional coaxial connector, the piercing terminal is pierced into the central conductor of the coaxial cable to electrically connect the contact and the central conductor, and a pair of piercing protrusions arranged at the end of the shell are inserted into the outer conductor of the coaxial cable. Thus, the terminal processing of the coaxial cable can be simplified by configuring so that the shell and the external conductor can be electrically connected.

  However, the coaxial connector according to the related art has a problem that it is not easy to pierce the piercing terminal into the central conductor and at the same time pierce the pair of piercing protrusions into the outer conductor. Further, the coaxial connector according to the prior art includes a coaxial cable peeling step in which the outer conductor and the insulating sheath are previously peeled from the end face of the coaxial cable with a predetermined peeling length. By devising the structure of the coaxial connector, there is a demand for a coaxial connector that can easily process the end of the coaxial cable. The above can be said to be the subject of the present invention.

  The present invention has been made in view of such problems, and an object of the present invention is to provide a coaxial connector that can be easily connected to a coaxial cable and can be easily processed at the end of the coaxial cable.

  The inventors of the present invention have a housing in which an end portion of a coaxial cable having a distal end surface substantially orthogonal to the axial direction is held at an end portion, a piercing terminal that is placed in the center portion of the housing and can be pierced into a central conductor of the coaxial cable. A coaxial connector is configured by a shell having a contact that is movable toward the distal end surface of the coaxial cable, and a cable clamp that holds the housing and can close the opening of the housing, and the housing includes a lid that covers the contact It is considered that the end treatment of the coaxial cable can be simplified by arranging a cam piece that moves the piercing terminal toward the center conductor of the coaxial cable while the housing is provided and the lid housing is tilted toward the contact. Based on this, the inventors have invented the following new coaxial connector.

  (1) A coaxial connector according to the present invention has a center conductor, a dielectric surrounding the center conductor, an outer conductor covering the dielectric, and an insulating sheath covering the outer conductor, and is substantially orthogonal to the axial direction. A coaxial connector for connecting the end of a coaxial cable with a distal end surface, curved from both sides of a substantially rectangular top plate, allowing the mating contact to be introduced into the interior and opening the distal end side in a Ω shape A connecting terminal having a pair of contact pieces, and a piercing terminal in which a hook-shaped first press-contact blade that can pierce the center portion of the front end surface of the coaxial cable and contact the center conductor is disposed at the end portion of the top plate A first contact having a first receiving chamber having a first housing chamber in which one surface is opened so that a counterpart contact can be introduced freely and a pair of the contact pieces are disposed therein, and a part from the disc portion Protruded in the outer circumferential direction And a part of which communicates with the first storage chamber, the first contact can be introduced from the protruding direction of the contact piece, and the top plate is mounted on the bottom surface so that the first contact is movable. A first housing having a rear circular shape that opens the second storage chamber placed on the other surface, and the disc portion can be accommodated toward one surface from the same direction as the pair of contact pieces projecting And a conductive shell having a pair of extending pieces in which a part of the outer periphery of the cylindrical portion continuously extends substantially in parallel and can accommodate the rectangular portion therein, and the first housing. Has a strip-shaped first lid housing in which one end portion is flexibly connected to a part of the disc portion, and the other end side can close the second storage chamber, and the shell has one end portion. A part of the cylindrical portion is connected to bendable, and the other end side is connected to the first lid housing. A cable clamp having a bottom plate piece capable of closing the other surface of the cylindrical portion is interlocked, and the rectangular portion communicates with the second housing chamber and has an introduction hole through which the end of the coaxial cable can be freely introduced. In the first lid housing, when the second housing chamber of the first housing is closed, the first press contact blade is moved from a state where the tip end of the first press contact blade faces the tip end surface of the coaxial cable. A cam piece for moving the first contact protrudes from the inner wall in contact with the piercing terminal in a state of piercing the central conductor.

  (2) A coaxial connector according to the present invention includes a central conductor, a dielectric surrounding the central conductor, an outer conductor covering the dielectric, and an insulating sheath covering the outer conductor, and is substantially orthogonal to the axial direction. A coaxial connector for connecting the end of a coaxial cable with a distal end surface, curved from both sides of a substantially rectangular top plate, allowing the mating contact to be introduced into the interior and opening the distal end side in a Ω shape And a connecting terminal having a pair of contact pieces, and a hook-shaped second press contact blade that can pierce the center portion of the front end surface of the coaxial cable and come into contact with the center conductor is disposed at the end portion of the top plate, A second contact having a piercing terminal with which the second press contact blade is swingable, and a disc having a third storage chamber in which one surface is opened so that the mating contact can be introduced and the pair of contact pieces are disposed inside. Or this disc A part of the rectangular part protrudes in the outer peripheral direction, a part of the rectangular part communicates with the third storage chamber, and the second contact can be introduced from the protruding direction of the contact piece. A second housing having a front circular rear shape with a fourth housing chamber fixed to the bottom surface opened on the other surface, and the disk portion facing one surface from the same direction as the pair of contact pieces projecting. A cylindrical portion that can be accommodated, a part of the outer periphery of the cylindrical portion continuously extending substantially in parallel, and a conductive shell having a pair of extending pieces that can accommodate the rectangular portion therein. The two housings have a second lid housing in the form of a band plate, one end part of which is flexibly connected to a part of the disk part, and the other end part of which can close the fourth storage chamber. Part is connected to a part of the cylindrical part so as to be bendable, and the other end side is connected to the second lid housing. A cable clamp having a bottom plate piece that can close the other surface of the cylindrical portion in conjunction with uzing, and the rectangular portion communicates with the fourth housing chamber and allows an end of the coaxial cable to be freely introduced. And the second lid housing has the second pressure contact from a state in which the tip of the second pressure contact blade is opposed to the tip surface of the coaxial cable in a state where the fourth housing chamber of the second housing is closed. A cam piece for moving the second press contact blade protrudes from the inner wall in contact with the opposite surface of the second press contact blade in a state where the blade pierces the central conductor.

  (3) The cable clamp includes a pair of crimp barrels capable of crimping the rectangular portion via a pair of extending pieces, and a pair of insulation grips capable of crimping the insulating sheath. It is preferable that the strip grip is formed on the inner wall by piercing the insulating sheath from the outer peripheral direction so as to contact the outer conductor.

  A coaxial connector according to the present invention includes a housing in which an end of a coaxial cable having a tip surface substantially orthogonal to the axial direction is held at the end, and a piercing terminal that is placed in the center of the housing and can be pierced into the central conductor of the coaxial cable And a shell having a cable clamp capable of holding the housing and closing the opening of the housing, and the housing is provided with a lid housing that covers the contact The lid housing is provided with a cam piece that moves the piercing terminal toward the central conductor of the coaxial cable while being tilted toward the contact, so that the end treatment of the coaxial cable can be simplified.

It is a perspective view which shows the structure of the coaxial connector by 1st Embodiment of this invention, and is a state figure before connecting the terminal of a coaxial cable to a coaxial connector. It is a perspective view which shows the structure of the coaxial connector by 1st Embodiment, and sees the state before connecting the terminal of a coaxial cable to a coaxial connector from the direction different from FIG. It is a perspective exploded view showing the composition of the coaxial connector by a 1st embodiment. It is a front view which shows the structure of the coaxial connector by 1st Embodiment. It is a rear view which shows the structure of the coaxial connector by 1st Embodiment. It is a right view which shows the structure of the coaxial connector by 1st Embodiment. It is a top view which shows the structure of the coaxial connector by 1st Embodiment. It is a bottom view which shows the structure of the coaxial connector by 1st Embodiment. FIG. 9A is a perspective view illustrating a configuration of a first contact provided in the coaxial connector according to the first embodiment, FIG. 9A is a state diagram of the first contact viewed from the back side, and FIG. 9B is a first contact. It is the state figure which looked at from the front side. FIGS. 10A and 10B are diagrams showing a configuration of a first contact provided in the coaxial connector according to the first embodiment, FIG. 10A is a plan view of the first contact, FIG. 10B is a front view of the first contact, FIG. FIG. 10C is a right side view of the first contact, FIG. 10D is a rear view of the first contact, and FIG. 10E is a bottom view of the first contact. FIG. 11A is a perspective view illustrating a configuration of a first housing provided in the coaxial connector according to the first embodiment, FIG. 11A is a state view of the first housing viewed from the upper surface side, and FIG. 11B is a first housing. It is the state figure which looked at from the lower surface side. FIGS. 11A and 11B are diagrams showing a configuration of a first housing provided in the coaxial connector according to the first embodiment, FIG. 11A is a plan view of the first housing, FIG. 11B is a front view of the first housing, and FIG. FIG. 11C is a right side view of the first housing, FIG. 11D is a rear view of the first housing, and FIG. 11E is a bottom view of the first housing. It is a figure which shows the structure of the shell with which the coaxial connector by 1st Embodiment is equipped, FIG. 13 (A) is a top view of a shell, FIG.13 (B) is a front view of a shell, FIG.13 (C) is a shell. FIG. 13D is a rear view of the shell, and FIG. 13E is a bottom view of the shell. It is a perspective view which shows the structure of the coaxial connector by 1st Embodiment, and is the state figure which the cam piece provided in the 1st lid housing inclined. It is the perspective view which shows the structure of the coaxial connector by 1st Embodiment, and is the figure which looked at the state which the cable clamp clamped the coaxial cable from the upper surface side. It is the perspective view which shows the structure of the coaxial connector by 1st Embodiment, and is the figure which looked at the state which the cable clamp clamped the coaxial cable from the lower surface side. It is a bottom view which shows the structure of the coaxial connector by 1st Embodiment, and is a state figure which the cable clamp clamped the coaxial cable. It is a top view which shows the structure of the coaxial connector by 1st Embodiment, and is a state figure which the cable clamp clamped the coaxial cable. It is a perspective view which shows the state which the coaxial connector by 1st Embodiment and the other party connector connected. It is a perspective view which shows the structure of the coaxial connector by 1st Embodiment, and is the state figure which arrange | positioned the other party connector facing. It is the perspective view which shows the structure of the coaxial connector by 1st Embodiment, and is the figure which looked at the state which has arrange | positioned the other party connector facing from the lower surface side. It is a longitudinal cross-sectional view which shows the structure of the coaxial connector by 1st Embodiment, and is a state figure which opened the 1st lid housing and the shell. It is a longitudinal section showing the composition of the coaxial connector by a 1st embodiment, and is the state figure which closed the 1st lid housing. It is a longitudinal section showing the composition of the coaxial connector by a 1st embodiment, and is the state figure which closed the 1st lid housing and shell. It is a perspective sectional view showing the composition of the coaxial connector by a 2nd embodiment of the present invention, and is the state figure which opened the 2nd lid housing. FIG. 26A is a perspective cross-sectional view showing the configuration of the coaxial connector according to the second embodiment, FIG. 26A is a state diagram in which the second lid housing is closed, and FIG. 26B is a main portion of FIG. FIG. It is a perspective view which shows the structure of the coaxial connector by a prior art, and is the state figure which connected the terminal of the coaxial cable. It is a right view which shows the structure of the coaxial connector by a prior art, and is the state figure which connected the terminal of the coaxial cable. It is a longitudinal cross-sectional view which shows the structure of the coaxial connector by a prior art, and is the state figure which connected the terminal of the coaxial cable. It is a perspective view which shows the structure of the coaxial connector by a prior art, and is a state figure before connecting the terminal of a coaxial cable to a coaxial connector. It is a right view which shows the structure of the coaxial connector by a prior art, and is a state figure before connecting the terminal of a coaxial cable to a coaxial connector. It is a right view which shows the structure of the coaxial connector by a prior art, and is a state figure before connecting the terminal of a coaxial cable to a coaxial connector. It is a perspective view which shows the structure of the contact with which the coaxial connector by a prior art is equipped. It is a perspective view which shows the structure of the housing with which the coaxial connector by a prior art is equipped. It is a perspective view which shows the structure of an example of the coaxial cable applied to the coaxial connector by a prior art. It is a perspective view which shows the structure of the coaxial connector by a prior art, and is the state figure which connected the terminal of the coaxial cable to the coaxial connector. It is a perspective view which shows the structure of the other party connector connected to the coaxial connector by a prior art. It is a perspective view which shows the state which the coaxial connector and the other party connector by a prior art connected. It is a longitudinal cross-sectional view which shows the state which the coaxial connector and the other party connector by a prior art connected.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
[First Embodiment]
(Configuration of coaxial connector)
First, the configuration of the coaxial connector according to the first embodiment of the present invention will be described.

  FIG. 1 is a perspective view showing the configuration of the coaxial connector according to the first embodiment of the present invention, and is a state diagram before connecting the end of the coaxial cable to the coaxial connector.

  FIG. 2 is a perspective view showing the configuration of the coaxial connector according to the first embodiment. The state before the end of the coaxial cable is connected to the coaxial connector is viewed from a direction different from FIG.

  FIG. 3 is an exploded perspective view showing the configuration of the coaxial connector according to the first embodiment. FIG. 4 is a front view showing the configuration of the coaxial connector according to the first embodiment. FIG. 5 is a rear view showing the configuration of the coaxial connector according to the first embodiment.

  FIG. 6 is a right side view showing the configuration of the coaxial connector according to the first embodiment. FIG. 7 is a plan view showing the configuration of the coaxial connector according to the first embodiment. FIG. 8 is a bottom view showing the configuration of the coaxial connector according to the first embodiment.

  FIG. 9 is a perspective view showing the configuration of the first contact provided in the coaxial connector according to the first embodiment. FIG. 9A is a state view of the first contact viewed from the back side, and FIG. It is the state figure which looked at the 1st contact from the front side.

  10A and 10B are diagrams showing the configuration of the first contact provided in the coaxial connector according to the first embodiment. FIG. 10A is a plan view of the first contact, and FIG. 10B is a front view of the first contact. FIG. 10C is a right side view of the first contact, FIG. 10D is a rear view of the first contact, and FIG. 10E is a bottom view of the first contact.

  FIG. 11 is a perspective view showing the configuration of the first housing provided in the coaxial connector according to the first embodiment. FIG. 11A is a state view of the first housing viewed from the upper surface side, and FIG. FIG. 3 is a state diagram when the first housing is viewed from the lower surface side.

  12A and 12B are diagrams showing the configuration of the first housing provided in the coaxial connector according to the first embodiment. FIG. 11A is a plan view of the first housing, and FIG. 11B is a front view of the first housing. FIG. 11 (C) is a right side view of the first housing, FIG. 11 (D) is a rear view of the first housing, and FIG. 11 (E) is a bottom view of the first housing.

  13A and 13B are diagrams showing the configuration of the shell provided in the coaxial connector according to the first embodiment. FIG. 13A is a plan view of the shell, FIG. 13B is a front view of the shell, and FIG. ) Is a right side view of the shell, FIG. 13D is a rear view of the shell, and FIG. 13E is a bottom view of the shell.

  FIG. 14 is a perspective view illustrating the configuration of the coaxial connector according to the first embodiment, and is a state diagram in which a cam piece provided on the first lid housing is tilted.

  FIG. 15 is a perspective view showing the configuration of the coaxial connector according to the first embodiment, and is a view of a state in which the cable clamp clamps the coaxial cable as viewed from the upper surface side. FIG. 16 is a perspective view showing the configuration of the coaxial connector according to the first embodiment, and is a view of the state where the cable clamp clamps the coaxial cable as viewed from the lower surface side.

  FIG. 17 is a bottom view showing the configuration of the coaxial connector according to the first embodiment, in which the cable clamp clamps the coaxial cable. FIG. 18 is a plan view showing the configuration of the coaxial connector according to the first embodiment, in which the cable clamp clamps the coaxial cable.

  FIG. 19 is a perspective view showing a state where the coaxial connector and the mating connector according to the first embodiment are connected. FIG. 20 is a perspective view showing the configuration of the coaxial connector according to the first embodiment, and is a state diagram in which the mating connector is arranged to face. FIG. 21 is a perspective view illustrating the configuration of the coaxial connector according to the first embodiment, and is a view of the state in which the mating connector is disposed facing the lower surface side.

  FIG. 22 is a longitudinal sectional view showing the configuration of the coaxial connector according to the first embodiment, and is a state diagram in which the first lid housing and the shell are opened.

  FIG. 23 is a longitudinal sectional view showing the configuration of the coaxial connector according to the first embodiment, and is a state diagram in which the first lid housing and the shell are opened.

  FIG. 24 is a longitudinal sectional view showing the configuration of the coaxial connector according to the first embodiment, and is a state diagram in which the first lid housing and the shell are closed.

  In addition, since the effect | action of the component which attached | subjected the code | symbol same as the code | symbol used by the prior art is the same, description may be abbreviate | omitted below.

(overall structure)
1 to 24, the coaxial connector 10 according to the first embodiment of the present invention can connect the end of the coaxial cable Cb. The coaxial cable Cb includes a central conductor Wc, a dielectric Di surrounding the central conductor Wc, an external conductor Wb such as a braided wire covering the dielectric Di, and an insulating sheath Wi covering the external conductor Wb. Further, the coaxial cable Cb forms a distal end surface that is substantially orthogonal to the axial direction.

  Referring to FIGS. 1 to 24, the coaxial connector 10 includes a piercing-type first contact 1, a first housing 3 having a front circular rear shape, and a conductive shell 5. The first housing 3 has a strip-shaped first lid housing 31. The shell 5 has a cable clamp 51.

  Referring to FIG. 10 or FIG. 19 to FIG. 21, the first contact 1 can electrically connect a coaxial cable Cb and a cylindrical center contact 81 (mating contact) disposed at the center of the receptacle 8.

  Referring to FIG. 9 or FIG. 10, the first contact 1 includes a connection terminal 11 and a piercing terminal 12. The connection terminal 11 has a top plate 11t formed in a substantially rectangular shape and a pair of contact pieces 11s and 11s. The pair of contact pieces 11 s and 11 s are curved from both sides of the top plate 11 t and open at the tip end side in a Ω shape. The pair of contact pieces 11s and 11s can introduce the center contact 81 into the inside (see FIG. 20).

  Referring to FIG. 9 or FIG. 10, the pair of contact pieces 11 s and 11 s have a pair of contact points 111 and 111 arranged to face each other at the tip ends of the contact pieces 11 s and 11 s. The pair of contacts 111 and 111 can contact the outer periphery of the center contact 81 (see FIG. 20).

  Referring to FIG. 9 or FIG. 10, the piercing terminal 12 has an upright piece 12s that stands up from the front end of the top plate 11t. Further, the piercing terminal 12 has a bowl-shaped first press contact blade 12p. The first press contact blade 12p protrudes from the tip of the upright piece 12s to the side opposite to the top plate 11t. Further, a pair of steps 12d. 12d is formed.

  Referring to FIG. 22, when the first contact 1 is moved toward the tip surface of the coaxial cable Cb from the state where the tip of the first pressure contact blade 12 p is opposed to the tip surface of the coaxial cable Cb, the first pressure contact blade 12 p is moved. Can be inserted into the central conductor Wc (see FIG. 23). And the piercing terminal 12 can contact the center conductor Wc.

  Referring to FIG. 9 or FIG. 10, the first contact 1 is preferably made of a conductive metal plate, and a piercing contact having a desired shape is obtained by punching the conductive metal plate. be able to. The first contact 1 is preferably made of a copper alloy, but is not limited to a copper alloy.

  Referring to FIG. 11 or FIG. 12, the first housing 3 has a disc portion 32 and a rectangular portion 33. A part of the rectangular portion 33 protrudes from the disc portion 32 in the outer circumferential direction. The disc part 32 has the 1st accommodating chamber 321 in the center part (refer FIG. 11 (B) or FIG.12 (E)).

  Referring to FIG. 4 or FIG. 21, the first housing chamber 321 has a rectangular opening on one surface of the first housing 3 so that the center contact 81 can be introduced. And in the 1st storage chamber 321, a pair of contact piece 11s * 11s is arrange | positioned inside (refer FIG. 4 or FIG. 21).

  Further, referring to FIGS. 1 to 3 and FIG. 11A or FIG. 12A, the disc portion 32 has a rectangular opening on the other surface of the second storage chamber 322. Part of the second storage chamber 322 communicates with the first storage chamber 321.

  Referring to FIG. 3, the first contact 1 can be introduced into the second storage chamber 322 from the protruding direction of the pair of contact pieces 11 s and 11 s. Then, the top plate 11t can be placed on the bottom surface of the second storage chamber 322. With reference to FIG. 22 or FIG. 23, in the state where the first contact 1 is accommodated in the second accommodation chamber 322, only the movement of the first press contact blade 12 p is restricted.

  Referring to FIG. 3 or FIG. 11 (A) and FIG. 12 (B), the rectangular portion 33 opens the introduction hole 33h. The end of the coaxial cable Cb can be introduced into the introduction hole 33h (see FIGS. 1 to 3). The introduction hole 33h communicates with the second storage chamber 322.

  With reference to FIG. 1 to FIG. 3 or FIG. 11, the first lid housing 31 is connected at one end thereof to a part of the disc portion 32 by a hinge 31 h so as to be bent. The first lid housing 31 can close the second storage chamber 322 on the other end side (see FIG. 14).

  Referring to FIG. 1 to FIG. 8 or FIG. 13, the shell 5 has a cylindrical portion 52 and a pair of extending pieces 53 and 53. The cylindrical portion 52 can accommodate the disc portion 32 from the same direction as the direction in which the pair of contact pieces 11s and 11s protrudes toward one surface of the cylindrical portion 52 (see FIGS. 1 to 3).

  Referring to FIG. 1 to FIG. 3 or FIG. 13, in the pair of extending pieces 53, 53, a part of the outer periphery of the cylindrical portion 52 continuously extends substantially in parallel. And a square part 33 can be accommodated in a pair of extended piece 53 * 53 (refer FIGS. 1-3).

  1 to 8 or 13, the cable clamp 51 has a bottom plate piece 511. One end portion of the bottom plate piece 511 is connected to a part of the cylindrical portion 52 by a hinge 51h so as to be freely bent. Further, the other end side of the bottom plate piece 511 can be interlocked with the first lid housing 31 to close the other surface of the shell 5 (see FIG. 15 or FIG. 24).

  Referring to FIG. 1 to FIG. 3 and FIG. 11 (A) or FIG. 12, the first lid housing 31 projects a cam piece 31c from the inner wall. In a state where the first lid housing 31 closes the second housing chamber 322 of the first housing 3 (see FIG. 23), the cam piece 31c has the tip of the first press contact blade 12p disposed to face the tip surface of the coaxial cable Cb. From the state (see FIG. 23), the first contact 1 can be moved by abutting against the piercing terminal 12 in a state where the first press contact blade 12p pierces the central conductor Wc (see FIG. 24).

  Referring to FIGS. 1 to 24, the coaxial connector 10 is mounted on the first housing 3 holding the end of the coaxial cable Cb having a distal end surface substantially orthogonal to the axial direction at the end, and the center of the first housing 3. The piercing terminal 12 is piercable into the central conductor Wc of the coaxial cable Cb, and holds the first contact 1 and the first housing 3 that are movable toward the distal end surface of the coaxial cable Cb. A shell 5 having a cable clamp 51 that can close the opening of the housing 3 is provided. The first housing 3 is provided with a first lid housing 31 that covers the first contact 1. The first lid housing 31 has a first contact 1. The cam piece 31c for moving the piercing terminal 12 toward the central conductor Wc of the coaxial cable Cb in a state of being inclined toward the It can terminate it of the coaxial cable Cb easily.

(Configuration of first housing and first lid housing)
Next, configurations of the first housing 3 and the first lid housing 31 according to the embodiment will be described. Referring to FIG. 11 or FIG. 12, the first housing 3 and the first lid housing 31 are preferably made of an insulating synthetic resin, and the first lid having a desired shape is formed by molding the insulating synthetic resin. The first housing 3 with the housing 31 can be obtained.

  Referring to FIG. 3 or FIG. 11 and FIG. 2, the top plate 11 t can be placed on the bottom surface of the second storage chamber 322. With reference to FIG. 22 or FIG. 23, in a state where the top plate 11t is placed on the bottom surface of the second storage chamber 322, the first press contact blade 12p is restricted only to move forward and backward.

  Referring to FIG. 12, the first housing 3 has a pair of stop walls 32 w and 32 w formed in the inner part of the introduction hole 33 h. The insertion length of the coaxial cable Cb can be defined by introducing the end of the coaxial cable Cb into the introduction hole 33h and abutting the front end surface of the coaxial cable Cb on the pair of stop walls 32w and 32w.

(Configuration of shell and cable clamp)
Next, the configuration of the shell 5 and the cable clamp 51 according to the embodiment will be described. Referring to FIGS. 1 to 8 and 13, shell 5 and cable clamp 51 are made of a conductive metal plate, and are formed by processing a development plate having conductivity processed into a predetermined outer shape. It is preferable to obtain the shell 5 with the cable clamp 51 having the shape of

  With reference to FIGS. 1 to 8 and 13, it is preferable that the shell 5 is formed by bending a conductive developing plate to form the cylindrical portion 52 and the pair of extending pieces 53 and 53. The cable clamp 51 is preferably bent and formed with a pair of crimp barrels 51c and 51c and a pair of insulation grips 51i and 51i opened. Furthermore, it is preferable to form a belt-like blade 51b on the inner wall of the pair of insulation grips 51i and 51i.

  1 to 8 and 13, the pair of crimp barrels 51c and 51c can crimp the rectangular portion 33 through the pair of extending pieces 53 and 53 (see FIG. 15 or FIG. 16). Thereby, the bottom plate piece 511 can be interlocked with the first lid housing 31 to maintain a state in which the other surface of the shell 5 is closed.

  1 to 8 and 13, the pair of insulation grips 51i and 51i can press the insulating sheath Wi. And a pair of insulation grip 51i * 51i can fix the coaxial connector 10 to the terminal of the coaxial cable Cb.

  1 to 8 and 13, when the pair of insulation grips 51i and 51i are pressure-bonded to the end of the coaxial cable Cb, the blade 51b can pierce the insulating sheath Wi, and the blade 51b can contact the outer conductor Wb. . Then, the shell 5 and the external conductor Wb can be electrically connected.

(Operation of coaxial connector)
Next, the operation and effect of the coaxial connector 10 according to the first embodiment will be described while explaining the assembly order of the coaxial connector 10 according to the first embodiment.

  First, referring to FIG. 3, the first contact 1 is inserted into the first housing 3. Next, referring to FIG. 3, the first housing 3 with the first contact 1 is inserted into the shell 5 from one surface of the shell 5 (see FIG. 1 or FIG. 2). Thereby, the shell 5 can hold the first housing 3 with the first contact 1.

  Next, referring to FIG. 3, the end of the coaxial cable Cb is inserted into the introduction hole 33h of the first contact 1 (see FIG. 22). Next, as shown in FIG. 22, the cable clamp 51 is bent toward the other surface of the shell 5 from the state where the cable clamp 51 stands with respect to the cylindrical portion 52 of the shell 5 (see FIG. 24). .

  Next, referring to FIG. 24, in a state where the bottom plate piece 511 of the cable clamp 51 closes the other surface of the shell 5, the cam piece 31 c of the first lid housing 31 moves the first contact 1, The tip of the first press contact blade 12p can be pierced into the central conductor Wc of the coaxial cable Cb. Thereby, the 1st contact 1 and the center conductor Wc of the coaxial cable Cb can be electrically connected.

  Next, referring to FIG. 1 to FIG. 8 and FIG. 13, the pair of insulation grips 51 i and 51 i are crimped to the end of the coaxial cable Cb, so that the blade 51 b pierces the insulating sheath Wi and the blade 51 b is externally attached. It can contact the conductor Wb. Then, the shell 5 and the external conductor Wb can be electrically connected. Then, a series of assembly work is completed.

  Referring to FIGS. 1 to 24, the coaxial connector 10 is mounted on the first housing 3 holding the end of the coaxial cable Cb having a distal end surface substantially orthogonal to the axial direction at the end, and the center of the first housing 3. The piercing terminal 12 is piercable into the central conductor Wc of the coaxial cable Cb, and holds the first contact 1 and the first housing 3 that are movable toward the distal end surface of the coaxial cable Cb. A shell 5 having a cable clamp 51 that can close the opening of the housing 3 is provided. The first housing 3 is provided with a first lid housing 31 that covers the first contact 1. The first lid housing 31 has a first contact 1. The cam piece 31c for moving the piercing terminal 12 toward the central conductor Wc of the coaxial cable Cb in a state of being inclined toward the It can terminate it of the coaxial cable Cb easily.

[Second Embodiment]
(Configuration of coaxial connector)
Next, the configuration of the coaxial connector according to the second embodiment of the present invention will be described.

  FIG. 25 is a perspective sectional view showing the configuration of the coaxial connector according to the second embodiment of the present invention, in which the second lid housing is opened.

  FIG. 26 is a perspective cross-sectional view showing the configuration of the coaxial connector according to the second embodiment. FIG. 26A is a state diagram in which the second lid housing is closed, and FIG. 26B is FIG. It is the figure which expanded the principal part. 25 and 26, the illustration of the shell 5 is omitted.

  Referring to FIG. 25 or FIG. 26, the coaxial connector 20 according to the second embodiment of the present invention can connect the end of the coaxial cable Cb. The coaxial cable Cb includes a central conductor Wc, a dielectric Di surrounding the central conductor Wc, an external conductor Wb such as a braided wire covering the dielectric Di, and an insulating sheath Wi covering the external conductor Wb. Further, the coaxial cable Cb forms a distal end surface that is substantially orthogonal to the axial direction.

  Referring to FIG. 25 or FIG. 26, the coaxial connector 20 includes a second contact 2 of a piercing type, a second housing 4 having a front circular rear shape, and a conductive shell 5. The second housing 4 has a strip-shaped second lid housing 41. The shell 5 has a cable clamp 51.

  Referring to FIG. 25 or FIG. 26, the second contact 2 can electrically connect the cylindrical center contact 81 disposed at the center of the receptacle 8 and the coaxial cable Cb (see FIG. 20).

  Referring to FIG. 25 or FIG. 26, the second contact 2 includes a connection terminal 21 and a piercing terminal 22. The connection terminal 21 has a top plate 21t formed in a substantially rectangular shape and a pair of contact pieces 21s and 21s. The pair of contact pieces 21 s and 21 s are curved from both sides of the top plate 21 t and open at the tip end side in a Ω shape. The pair of contact pieces 21s and 21s can introduce the center contact 81 inside (see FIG. 20).

  Referring to FIG. 25 or FIG. 26, the piercing terminal 22 has an upright piece 22s that stands up from the front end of the top plate 21t. The piercing terminal 22 has a bowl-shaped second press contact blade 22p. The second press contact blade 22p protrudes from the tip of the upright piece 22s to the side opposite to the top plate 21t. The second press contact blade 22p is configured to be swingable.

  Referring to FIG. 25, when the second press contact blade 22p is pressed from the opposite surface of the second press contact blade 22p from the state where the end of the second press contact blade 22p is disposed opposite the front end surface of the coaxial cable Cb, the second press contact blade 22p can be pierced into the central conductor Wc (see FIG. 26). And the piercing terminal 22 can contact the center conductor Wc.

  Referring to FIG. 25 or FIG. 26, the second housing 4 has a disc part 42 and a square part 43. A part of the rectangular portion 43 protrudes from the disc portion 42 in the outer circumferential direction. The disc part 42 has the 3rd storage chamber 421 in the center part.

  Referring to FIG. 25 or FIG. 26, the third housing chamber 421 has a rectangular opening on one surface of the second housing 4 so that the center contact 81 can be introduced (see FIG. 20). And in the 3rd storage chamber 421, a pair of contact piece 21s * 21s is arrange | positioned inside.

  In addition, referring to FIG. 25 or FIG. 26, the disc portion 42 opens the fourth storage chamber 422 in a rectangular shape on the other surface. Part of the fourth storage chamber 422 is in communication with the third storage chamber 421.

  Referring to FIG. 25, the second contact 2 can be introduced into the fourth storage chamber 422 from the protruding direction of the pair of contact pieces 21 s and 21 s. Then, the top plate 21t can be placed on the bottom surface of the fourth storage chamber 422. In a state where the second contact 2 is housed in the fourth housing chamber 422, the second press contact blade 22p is disposed so as to be swingable.

  Referring to FIG. 25 or FIG. 26, the rectangular portion 43 opens the introduction hole 43h. The end of the coaxial cable Cb can be introduced into the introduction hole 43h. Further, the introduction hole 43h communicates with the fourth storage chamber 422.

  Referring to FIG. 26A, one end of the second lid housing 41 is connected to a part of the disk portion 42 by a hinge 41h so as to be bent. The second lid housing 41 can close the fourth storage chamber 422 on the other end side.

  Referring to FIG. 13, the other end of the bottom plate piece 511 of the cable clamp 51 can be interlocked with the second lid housing 41 to close the other surface of the shell 5.

  Referring to FIG. 25 or FIG. 26, the second lid housing 41 projects the cam piece 41c from the inner wall. In a state where the second lid housing 41 closes the fourth housing chamber 422 of the second housing 4 (see FIG. 26A), the cam piece 41c has the tip of the second press contact blade 22p and the tip surface of the coaxial cable Cb. From the state of being opposed (see FIG. 25), the second press contact blade 22p is in contact with the opposite surface of the second press contact blade 22p from the state where the second press contact blade 22p pierces the center conductor Wc (see FIG. 26B). 22p can be moved.

(Operation of coaxial connector)
Next, operations and effects of the coaxial connector 20 according to the second embodiment will be described. With reference to FIGS. 1 to 24 and FIG. 25 or 26, the coaxial connector 20 includes a second housing 4 that holds a terminal end of a coaxial cable Cb having a distal end surface substantially orthogonal to the axial direction at the end, A second contact 2 mounted on the central portion of the second housing 4 and having a piercing terminal 22 which can be pierced into the central conductor Wc of the coaxial cable Cb and movable toward the front end surface of the coaxial cable Cb; 2 is provided with a shell 5 having a cable clamp 51 capable of holding the housing 4 and closing the opening of the second housing 4. The second housing 4 is provided with a second lid housing 41 covering the second contact 2. In the lid housing 41, the second press contact blade 22p is moved toward the center conductor Wc of the coaxial cable Cb in a state of being inclined toward the second contact 2. Since that are arranged cam piece 41c, it can terminate it of the coaxial cable Cb easily.

DESCRIPTION OF SYMBOLS 1 1st contact 3 1st housing 5 Shell 10 Coaxial cable 11 Connection terminal 11s * 11s A pair of contact piece 11t Top plate 12 Piercing terminal 12p 1st press contact blade 31 1st lid housing 31c Cam piece 32 Disc part 33 Rectangular part 33h Introduction hole 51 Cable clamp 52 Cylindrical portion 53/53 A pair of extending pieces 321 First accommodating chamber 322 Second accommodating chamber 511 Bottom plate piece Cb Coaxial cable Di Dielectric Wb External conductor Wc Center conductor Wi Insulating sheath

Claims (3)

A coaxial cable end having a central conductor, a dielectric surrounding the central conductor, an outer conductor covering the dielectric, and an insulating sheath covering the outer conductor, and having a distal end surface substantially orthogonal to the axial direction. A coaxial connector for connection,
A connection terminal having a pair of contact pieces that are curved from both sides of the top plate formed in a substantially rectangular shape and can be introduced into the mating contact inside thereof, with the distal end side opened in an Ω-shape, and the distal end surface of the coaxial cable A first contact having a piercing terminal in which a hook-shaped first press-contact blade that can contact the center conductor is disposed at an end of the top plate,
A disk part having a first accommodating chamber in which one surface is opened so that the mating contact can be freely introduced and a pair of the contact pieces are disposed therein, and a square part of which protrudes from the disk part in the outer circumferential direction. And a part of which communicates with the first storage chamber, the first contact can be introduced from the protruding direction of the contact piece, and the top plate is placed on the bottom surface so that the first contact is movable. A first housing with a front circular rear shape that opens the second storage chamber on the other surface;
A cylindrical part capable of accommodating the disk part from the same direction as the direction in which the pair of contact pieces protrudes toward one surface, and a part of the outer periphery of the cylindrical part continuously extends in substantially parallel to the rectangular shape. A conductive shell having a pair of extending pieces capable of accommodating the part therein,
The first housing has a strip-shaped first lid housing in which one end portion is flexibly connected to a part of the disc portion, and the other end side can close the second storage chamber,
The shell includes a cable clamp having a bottom plate piece, one end of which is flexibly connected to a part of the cylindrical portion, and the other end of the shell is interlocked with the first lid housing to close the other surface of the cylindrical portion. Have
The rectangular portion communicates with the second storage chamber, and has an introduction hole through which a coaxial cable end can be introduced.
In the state where the second housing chamber of the first housing is closed, the first lid housing moves the center of the first press contact blade from the state in which the tip of the first press contact blade faces the tip surface of the coaxial cable. A coaxial connector in which a cam piece for moving the first contact protrudes from an inner wall in contact with the piercing terminal so as to pierce the conductor. A coaxial cable end having a central conductor, a dielectric surrounding the central conductor, an outer conductor covering the dielectric, and an insulating sheath covering the outer conductor, and having a distal end surface substantially orthogonal to the axial direction. A coaxial connector for connection,
A connection terminal having a pair of contact pieces that are curved from both sides of the top plate formed in a substantially rectangular shape and can be introduced into the mating contact inside thereof, with the distal end side opened in an Ω-shape, and the distal end surface of the coaxial cable A second contact that has a piercing terminal that is swingable at the end of the top plate, and has a hook-shaped second press contact blade that can contact the center conductor.
A disk part having a third accommodating chamber in which one surface is opened so that the mating contact can be freely introduced and a pair of the contact pieces are arranged inside, and a square partly projecting from the disk part in the outer circumferential direction A fourth storage chamber having a portion, a part communicating with the third storage chamber, the second contact being introduced from the protruding direction of the contact piece, and a top plate of the second contact being fixed to the bottom surface A second housing having a front circular rear shape opened on the other surface;
A cylindrical part capable of accommodating the disk part from the same direction as the direction in which the pair of contact pieces protrudes toward one surface, and a part of the outer periphery of the cylindrical part continuously extends in substantially parallel to the rectangular shape. A conductive shell having a pair of extending pieces capable of accommodating the part therein,
The second housing has a band-shaped second lid housing in which one end portion is flexibly connected to a part of the disc portion, and the other end side can close the fourth storage chamber,
The shell is a cable clamp having a bottom plate piece, one end portion of which is flexibly connected to a part of the cylindrical portion, and the other end portion is interlocked with the second lid housing to close the other surface of the cylindrical portion. Have
The rectangular portion communicates with the fourth storage chamber and has an introduction hole through which a coaxial cable end can be freely introduced;
In the second lid housing, when the fourth housing chamber of the second housing is closed, the second press contact blade is centered from the state in which the tip of the second press contact blade is opposed to the tip surface of the coaxial cable. A coaxial connector that protrudes from an inner wall of a cam piece that moves against the opposite surface of the second press contact blade in a state of piercing a conductor and moves the second press contact blade. The cable clamp is
A pair of crimp barrels capable of crimping the rectangular portion via the pair of extending pieces;
A pair of insulation grips capable of crimping the insulating sheath,
3. The coaxial connector according to claim 1, wherein the insulation grip has a strip-shaped blade formed on an inner wall that can pierce the insulating sheath from an outer peripheral direction and contact the outer conductor.

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