JP2007141571A - Multiple coaxial connector - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To facilitate manufacturing, and to prevent breakage and the like of a hermetic seal in assembly. <P>SOLUTION: A hermetic seal assembly 55, comprising a first conductor 61, a second conductor 59 arranged outside the first conductor 61, a third conductor 56 arranged outside the second conductor 59, a first hermetic seal 60 for sealing an area between the first conductor 61 and the second conductor 59, and a second hermetic seal 58 for sealing an area between the second conductor 59 and the third conductor 56, is arranged in an axial intermediate part in an outer shell 2; first conductors 45, 45 mutually connected to the first conductor 61, and second conductors 20, 20 mutually connected to the second conductor 59 are arranged respectively in parts on both sides of the hermetic seal assembly 55 inside the outer shell 56; and the third conductor 56 is integrally jointed with the outer shell 2 through soldering. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a multi-coaxial connector, and more particularly to a multi-coaxial connector that is used in communication systems, broadcasting equipment, measuring instruments, and the like and is effective in removing radio interference such as external noise and crosstalk.

Connectors used in communication systems, broadcasting equipment, measuring equipment, etc. are required to remove radio interference such as external noise and crosstalk, and in order to meet those demands, a further layer between the central conductor and the external conductor is required. Triple coaxial connectors with internal conductors have been developed and are available on the market. In recent years, the triple coaxial connector having such a configuration tends to be applied to devices that require airtightness such as an electron microscope (see Patent Document 1).
Japanese Patent Laid-Open No. 9-7705

  However, the triple coaxial connector has the same outer diameter as a general high-frequency coaxial connector, and the internal structure is complicated. Therefore, it takes a lot of time and effort to increase the airtightness, resulting in high product costs. .

  The present invention has been made in view of the conventional problems as described above, and can easily increase the airtightness even with a triple or more coaxial connector, which is easy to manufacture and reduces the cost as a product. An object of the present invention is to provide a multi-coaxial connector that can be used.

In order to solve the above problems, the present invention employs the following means.
That is, in the invention according to claim 1, the first conductor, the second conductor disposed outside the first conductor, and the outside of the second conductor are disposed in the intermediate portion in the axial direction inside the outer shell. A hermetic seal comprising a third conductor, a first hermetic seal that seals between the first conductor and the second conductor, and a second hermetic seal that seals between the second conductor and the third conductor. A first conductor interconnected with the first conductor and a second conductor interconnected with the second conductor are provided on both sides of the hermetic seal assembly inside the outer shell. The third conductor is integrally joined to the outer shell by soldering.

 According to the multiplex coaxial connector according to the present invention, the hermetic seal assembly is provided in the axial intermediate portion inside the outer shell, and the hermetic seal assembly is integrally joined to the outer shell by soldering, The first conductor provided on both sides of the hermetic seal assembly is connected to the first conductor of the hermetic seal assembly, and the second conductor is connected to the second conductor. Further, the hermetic seal assembly is sealed between the first conductor and the second conductor by a first hermetic seal, and between the second conductor and the third conductor by a second hermetic seal, Since the three conductors are integrally joined to the outer shell by soldering, the inside of the outer shell can be made airtight.

  The invention according to claim 2 is the multiple coaxial connector according to claim 1, wherein a connection portion between the first conductor of the hermetic seal assembly and the first conductor on both sides of the hermetic seal assembly is provided. A spring force in the radial direction is applied, and a spring force in the radial direction is applied to a connection portion between the second conductor of the hermetic seal assembly and the second conductor on both sides of the hermetic seal assembly. It is characterized by.

 According to the multiple coaxial connector of the present invention, the first conductor of the hermetic seal assembly and the first conductors on both sides thereof are connected to each other, and the second conductor and the second conductors on both sides thereof are connected to each other. Even if a slight misalignment occurs between the conductors, the misalignment of the shaft can be absorbed by the spring force of the connecting portion, so the first hermetic seal and the second hermetic seal of the hermetic seal assembly. Can be prevented from being damaged.

As described above, according to the multiple coaxial connector of the present invention, the third conductor of the hermetic seal assembly including the first conductor, the second conductor, the third conductor, the first hermetic seal, and the second hermetic seal is provided. By integrally joining the outer shell by soldering, the inside of the outer shell can be made airtight. Therefore, the work of creating an airtight state is facilitated, and the cost as a product can be reduced.
Further, a spring force is applied to the connecting portion between the first conductor of the hermetic seal assembly and the first conductors on both sides thereof, and the connecting portion between the second conductor of the hermetic seal assembly and the second conductors on both sides thereof is applied. Since the spring force is applied, when the first conductor of the hermetic seal assembly and the first conductors on both sides thereof are connected to each other, and the second conductor and the second conductors on both sides thereof are connected to each other, Even if some axial misalignment occurs between the conductors, the axial misalignment can be absorbed by the spring force of the connecting portion, so that the first hermetic seal and the second hermetic seal of the hermetic seal assembly are provided. It can be prevented from being damaged.

Hereinafter, embodiments of the present invention shown in the drawings will be described.
1 to 4 show a first embodiment of a multiple coaxial connector according to the present invention. 1 is an overall longitudinal sectional view, FIG. 2 is an enlarged view of a left end portion of FIG. 1, FIG. 3 is an enlarged view of a central portion of FIG. 1, and FIG. 4 is an enlarged view of a right end portion of FIG.

  In other words, the multiplex coaxial connector 1 is a so-called triple coaxial connector applied to a communication system, a broadcasting device, a measuring instrument, and the like. As shown in FIG. 1, an external shell 2 that is an external conductor, and an external shell 2 The first assembly 15 and the second assembly 75 are provided inside, and a hermetic seal assembly 55 is provided between the first assembly 15 and the second assembly 75.

As shown in FIG. 1, the outer shell 2 is a substantially cylindrical first outer shell 3 made of a metal such as stainless steel, and an approximately made of metal such as stainless steel connected to the right end portion of the first outer shell 3 in the drawing. It is comprised from the cylindrical 2nd outer shell 65. FIG.
In the following description, the left side in the figure is left and the right side in the figure is right.

  As shown in FIG. 1, a flange 4 projecting annularly outward in the radial direction is integrally provided at the central portion in the longitudinal direction of the outer peripheral surface of the first outer shell 3. An annular groove 5 is provided, and an O-ring 6 is inserted into the groove 5.

  As shown in FIG. 1, the inner peripheral surface of the first outer shell 3 extends from the left end to the right end from the first small diameter portion 7, the second small diameter portion 8 having a smaller diameter than the first small diameter portion 7, and the first small diameter portion 7. The first medium diameter portion 9 having a large diameter, the second medium diameter portion 10 having a larger diameter than the first medium diameter portion 9, and the large diameter portion 11 having a larger diameter than the second medium diameter portion 10 are formed in five stages. The outer peripheral side of the first assembly 15 is fixed to the second small diameter portion 8, the outer peripheral side of the hermetic seal assembly 55 is fixed to the first medium diameter portion 9, and the outer peripheral side of the second outer shell 65 is fixed to the large diameter portion 11. Has been.

 As shown in FIG. 2, the first assembly 15 includes a substantially cylindrical outer insulator 16 made of an insulating material such as a resin fitted to the second small diameter portion 8 on the inner peripheral side of the first outer shell 3. From a substantially cylindrical inner shell 20 made of a conductive material that is a second conductor fitted to the inner peripheral side of the outer insulator 16, and an insulating material such as a resin fitted to the inner peripheral side of the inner shell 20 The substantially cylindrical inner insulator 30 and a rod-shaped socket contact 45 made of a conductive material as a first conductor fitted to the inner peripheral side of the inner insulator 30 are configured.

 As shown in FIG. 2, the outer insulator 16 has a substantially cylindrical shape, and the outer peripheral side is fitted to the second small diameter portion 8 of the first outer shell 3, so that the first outer shell 3 and the outer insulator are fitted. 16 is fixed to the inner peripheral side of the first outer shell 3 by an annular bush 19 fitted between the first outer shell 3 and the outer bush 16. The inner peripheral surface of the outer insulator 16 is formed in two stages, a small diameter portion 17 and a large diameter portion 18 larger in diameter than the small diameter portion 17 from the left end to the right end. An inner shell 20 is fitted on the circumferential side.

 As shown in FIG. 2, the inner shell 20 has a substantially cylindrical shape formed of a metal such as stainless steel, and the outer peripheral surface has a larger diameter than the small diameter portion 21 and the small diameter portion 21 from the left end to the right end. The large diameter portion 22 is formed in two stages, the small diameter portion 21 is fitted to the small diameter portion 17 on the inner peripheral side of the outer insulator 16, and the large diameter portion 22 is the large diameter portion on the inner peripheral side of the outer insulator 16. 18 is fitted.

 The inner peripheral surface of the inner shell 20 is formed in three steps from the left end to the right end: a medium diameter portion 23, a small diameter portion 24 having a smaller diameter than the medium diameter portion 23, and a large diameter portion 25 having a larger diameter than the medium diameter portion 23. The small-diameter portion 24 is formed in a tapered surface that expands from the right end to the left end, and an annular projecting portion 26 that projects radially inward is integrally provided at the boundary between the small-diameter portion 24 and the medium-diameter portion 23. .

 The right end of the inner shell 20 is provided with cuts 27 at a plurality of locations in the circumferential direction, and the cuts 27 add a spring force radially inward to the right end of the inner shell 20. Thus, the inner shell 59 and the inner shell 20 of the hermetic seal assembly 55 described later are joined together.

 As shown in FIG. 2, the inner insulator 30 is composed of two insulators, a first cylindrical inner insulator 31 and a second inner insulator 37, and the first inner insulator 31 and the second inner insulator 37. A socket contact 45 that is a first conductor is fitted on the inner peripheral side of the insulating body 37.

 The outer peripheral surface of the first inner insulator 31 is formed in two steps of a small diameter portion 32 and a large diameter portion 33 larger in diameter than the small diameter portion 32 from the left end to the right end, and the large diameter portion 33 is formed on the inner peripheral side of the inner shell 20. The inner shell 20 is fixed to the inner peripheral side of the inner shell 20 by fitting the base portion of the small diameter portion 32 to the inner peripheral side of the protruding portion 26.

 The inner peripheral surface of the first inner insulator 31 has three stages from the left end to the right end: a small diameter portion 34, a medium diameter portion 35 larger in diameter than the small diameter portion 34, and a large diameter portion 36 larger in diameter than the medium diameter portion 35. A socket contact 45 described later is fitted to the inner peripheral side of the first inner insulator 31 and the inner peripheral side of the second inner insulator 37 described later.

 The second inner insulator 37 has a substantially cylindrical shape whose left end is connected to the right end of the first inner insulator 31, and the outer peripheral surface of the second inner insulator 37 extends from the left end to the right end. A large-diameter portion 38 having the same diameter as the large-diameter portion 33 of the first inner insulator 31 is formed in two steps, a smaller-diameter portion 39 than the large-diameter portion 38, and at the boundary between the large-diameter portion 38 and the small-diameter portion 39 An annular protrusion 40 projecting outward in the radial direction is integrally provided, and a stepped portion 41 that is one step lower is provided at the left end of the large diameter portion 38 over the entire circumference. The inner peripheral surface of the second inner insulator 37 is formed to have the same inner diameter throughout.

 The second inner insulator 37 has a left end portion at the right end portion of the first inner insulator 31 by fitting the step portion 41 at the left end portion to the large diameter portion 36 on the inner peripheral side of the first inner insulator 31. They are connected together. A small diameter portion 39 on the outer peripheral side of the second inner insulator 37 is engaged with a left end portion of an inner shell 59 of a hermetic seal assembly 55 to be described later in a state where its tip is in contact with a side surface of the protruding portion 40. Yes.

  As shown in FIG. 2, the socket contact 45 has a rod shape made of a conductive material, and is integrally provided with a projecting portion 46 projecting radially outward in a central portion in the longitudinal direction. A first socket part 47 is provided on the left part of the protruding part 46, and a second socket part 50 is provided on the right part of the protruding part 46.

  The first socket portion 47 of the socket contact 45 is provided with fitting holes 48 having a predetermined depth, and cuts 49 penetrating outside the fitting holes 48 are provided at a plurality of locations in the circumferential direction. A spring force inward in the radial direction is applied to the first socket portion 47 by 49.

  The second socket portion 50 of the socket contact 45 is provided with fitting holes 51 having a predetermined depth, and incisions 52 penetrating the inside and outside of the fitting holes 51 are provided at a plurality of locations in the circumferential direction. The second socket portion 50 is given a spring force radially inward by 52.

  The socket contact 45 is configured such that the first socket portion 47 is fitted to the inner diameter portion 35 on the inner peripheral side of the first inner insulator 31, the protruding portion 46 is engaged in the larger diameter portion 36, and the second socket portion 50 is engaged. Is fixed to the inner peripheral side of the first inner insulator 31 and the second inner insulator 37 by fitting them to the inner peripheral side of the second inner insulator 37. In this case, the protrusion 46 of the socket contact 45 is sandwiched between the side surface of the large-diameter portion 36 of the first inner insulator 31 and the left end surface of the second inner insulator 37, whereby the socket contact 45 is The first inner insulator 31 and the second inner insulator 37 are fixed at predetermined positions on the inner peripheral side.

  As shown in FIG. 3, the hermetic seal assembly 55 includes a substantially cylindrical outer shell 56 made of a conductive material and a substantially cylindrical inner shell made of a conductive material that is a second conductor provided inside the outer shell 56. 59, a rod-shaped lead 61 made of a conductive material as a first conductor provided at the center of the inner shell 59, and a second lead provided between the outer shell 56 and the inner shell 59 to seal between them. It comprises a hermetic seal 58 and a first hermetic seal 60 provided between the inner shell 59 and the lead 61 and sealing between them.

  The hermetic seal assembly 55 forms two types of cylindrical hermetic seals 58 and 60 having different diameters by compressing and molding various glass powders and ceramic powders using a mold as a molding material. Hermetic seals 58 and 60 are attached to a carbon jig so as to form a concentric circle, a lead 61 is provided at the center of the inner hermetic seal 60, and the inner part between the inner hermetic seal 60 and the outer hermetic seal seal 58 is provided. A shell 59 is provided, an outer shell 56 is provided outside the outer hermetic seal 58, and sintering is performed using a furnace in this state to form a shape as shown in FIG. The hermetic seal assembly 55 is not limited to such a manufacturing method, and may be formed by other manufacturing methods.

 As shown in FIG. 3, the hermetic seal assembly 55 is provided at the right end portion of the outer shell 56 by fitting the outer peripheral side of the outer shell 56 to the first middle diameter portion 9 on the inner peripheral side of the first outer shell 3. An annular flange 57 projecting outward in the radial direction is brought into contact with the side surface of the second medium diameter portion 10, and the outer shell 56 and the first outer shell 3 are joined together by soldering in this state. By doing so, it attaches to the inner peripheral side of the first outer shell 3 in an airtight state.

 In this case, the left end of the inner shell 59 of the hermetic seal assembly 55 is engaged with the small-diameter portion 39 on the outer peripheral side of the second inner insulator 37 on the inner peripheral side of the first outer shell 3, and the right end is on the second end. The outer shell 65 is engaged with the small-diameter portion 39 on the outer peripheral side of the second inner insulator 37 on the inner peripheral side of the outer shell 65. The left and right end faces are sandwiched. In this state, the step 62 provided at the left and right ends of the inner shell 59 on the outer peripheral side, the right end of the inner shell 20 on the first outer shell 3 side, the second outer shell 65 side in the step 62 The left end portions of the inner shells 20 are fitted, whereby the inner shells 20 and 20 are electrically connected to each other via the inner shell 59 of the hermetic seal assembly 55.

 Further, the left and right ends of the lead 61 of the hermetic seal assembly 55 are sockets that are the inside of the second socket portion 50 of the socket contact 45 on the first outer shell 3 side and the first conductor of the second outer shell 65 described later. The sockets 45 are respectively fitted into the second socket portions 50 of the contacts 45, whereby the socket contacts 45 and 45 are electrically connected via the leads 61.

  As shown in FIG. 1, the outer peripheral surface of the second outer shell 65 is formed in two steps from a left end to a right end, a large diameter portion 66 and a small diameter portion 67 smaller in diameter than the large diameter portion 66. The right end portion of the first outer shell 3 is fitted to the boundary between the large diameter portion 66 and the small diameter portion 67 of the second outer shell 65 in a state of being fitted to the large diameter portion 11 on the inner peripheral surface of the first outer shell 3. By caulking, the left end portion of the second outer shell 65 is connected to the right end portion of the first outer shell 3.

  The inner peripheral surface of the second outer shell 65 is formed in three steps from the left end to the right end: a large diameter portion 68, a small diameter portion 69 smaller in diameter than the large diameter portion 68, and a medium diameter portion 70 larger in diameter than the small diameter portion 69. In addition, a projecting portion 71 projecting annularly inward in the radial direction is integrally provided at a boundary portion between the medium diameter portion 70 and the small diameter portion 69.

 As shown in FIG. 4, a second assembly 75 is provided on the inner peripheral side of the second outer shell 65. The second assembly 75 includes a substantially cylindrical outer insulator 76 fitted to the inner peripheral side of the second outer shell 65 and an inner portion that is a second conductor fitted to the inner peripheral side of the outer insulator 76. The shell 20, the inner insulator 30 fitted to the inner peripheral side of the inner shell 20, and a socket contact 45 that is a first conductor fitted to the inner peripheral side of the inner insulator 30 are configured.

 The outer peripheral surface of the outer insulator 76 is formed in two steps, a large diameter portion 77 and a small diameter portion 78 having a smaller diameter than the large diameter portion 77 from the left end to the right end, and the left end portion of the large diameter portion 77 is a step portion that is one step lower. 79. The inner peripheral surface of the outer insulator 76 is formed in two steps from the left end to the right end: a large diameter portion 80 and a small diameter portion 81 having a smaller diameter than the large diameter portion 80. The outer insulator 76 has a large-diameter portion 77 on the outer peripheral side fitted to the large-diameter portion 68 on the inner peripheral side of the second outer shell 65, and a small-diameter portion 78 is fitted to the small-diameter portion 69. It is fixed to the inner peripheral side of the shell 65. In this case, the outer insulator 76 is fixed at a predetermined position on the inner peripheral side of the second outer shell 65 by bringing the right end surface of the outer insulator 76 into contact with the side surface of the protruding portion 71 of the second outer shell 65. ing.

 The inner shell 20 provided on the inner peripheral side of the outer insulator 76, the inner insulator 30 provided on the inner peripheral side of the inner shell 20, and the socket contact 45 provided on the inner peripheral side of the inner insulator 30 are the first outer shell. 3 have the same configuration as those provided inside 3, the same reference numerals are assigned and detailed description thereof is omitted.

  As shown in FIGS. 1 and 4, the second outer shell 65 is connected to the first outer shell 3 in a state where the second assembly 75 is provided on the inner peripheral side of the second outer shell 65. The inner shell 20 of the outer shell 65 is electrically connected to the inner shell 20 of the first outer shell 3 via the inner shell 59 of the hermetic seal assembly 55, and the socket contact 45 is connected via the lead 61 of the hermetic seal assembly 55. And electrically connected to the socket contact 45 of the first outer shell 3.

  In the multiple coaxial connector 1 according to the present embodiment configured as described above, the hermetic is provided between the first assembly 15 on the first outer shell 3 side and the second assembly 75 on the second outer shell 65 side. The hermetic assembly 55 is used to electrically connect the first assembly 15 and the second assembly 75 with the seal assembly 55 interposed therebetween, and the outer shell 56 of the hermetic assembly 55 is connected to the first outer shell. Since the hermetic assembly 55 and the first outer shell 3 are integrally bonded to the inner peripheral side of the outer peripheral member 3 by soldering, the hermetic assembly 55 can be improved. Therefore, it is possible to prevent leakage of fluid such as gas.

 A joint between the inner shell 20 of the first assembly 15 and the inner shell 59 of the hermetic seal assembly 55; a joint between the inner shell 20 of the second assembly 75 and the inner shell 59 of the hermetic seal assembly 55; The joint between the socket contact 45 of the first assembly 15 and the lead 61 of the hermetic seal assembly 55 and the joint of the socket contact 45 of the second assembly 75 and the lead 61 of the hermetic seal assembly 55 are respectively provided with springs. Since a force is applied, it is possible to absorb an impact or the like generated when the first assembly 15 and the second assembly 75 are connected via the hermetic seal assembly 55. Therefore, it is possible to prevent the hermetic seals 58 and 60 of the hermetic seal assembly 55 from being damaged during the assembly, and a predetermined sealing performance can be reliably obtained.

  FIG. 5 shows a second embodiment of the multi-coaxial connector according to the present invention. This multi-coaxial connector 1 is a so-called receptacle-type triple coaxial connector, and is a right end portion of the first outer shell 3. The second assembly 75 having the same configuration as that of the first embodiment is attached to the first and second bushes 85 through the bush 85, and the other configurations are the same as those shown in the first embodiment.

 The bush 85 has a substantially cylindrical shape made of a metal such as stainless steel, and the first outer shell 3 is fitted with the outer peripheral side fitted into the large-diameter portion 11 on the inner peripheral side of the first outer shell 3. The right end portion of the first outer shell 3 is fixed to the inner peripheral side of the first outer shell 3 by caulking the right end portion thereof to the right end surface of the bush 85.

  The inner peripheral surface of the bush 85 is formed in two stages, a large diameter portion 86 and a small diameter portion 87 having a smaller diameter than the large diameter portion 86 from the left end to the right end, and the large diameter portion 86 has an outer periphery of the inner shell 20 that is an internal conductor. The large-diameter portion 22 on the side is fitted, and the small-diameter portion 21 on the outer peripheral side of the inner shell 20 is fitted to the small-diameter portion 87.

  A first insulator 31 and a second insulator 37 having the same configuration as that of the first embodiment are fitted to the inner peripheral side of the inner shell 20, and the inside of the first insulator 31 and the second insulator 37 is fitted. A pin contact 88 as a first conductor is fitted on the peripheral side. In the pin contact 88, the right end portion of the lead 61 of the hermetic seal assembly 55 is fitted to a socket portion 89 provided at the left end portion, and the socket contact 45 and the lead 61 of the first assembly 15 of the first outer shell 3 are interposed therebetween. Are electrically joined. A pin joint 90 is provided at the right end of the pin contact 88, and a lead wire is joined to the pin joint 90 by soldering.

  Even in the multiplex coaxial connector 1 according to the present embodiment configured as described above, the first assembly 15 and the second outer shell 3 of the first outer shell 3 are similar to those shown in the first embodiment. A hermetic seal assembly 55 is interposed between the second assembly 75 of the outer shell 65 to electrically connect the first assembly 15 and the second assembly 75 by the hermetic assembly 55; Since the outer shell 56 of the hermetic assembly 55 is integrally joined to the inner peripheral side of the first outer shell 3 by soldering, the hermeticity between the hermetic assembly 55 and the first outer shell 3 can be improved. it can. Therefore, it is possible to prevent leakage of fluid such as gas.

 A joint between the inner shell 20 of the first assembly 15 and the inner shell 59 of the hermetic seal assembly 55; a joint between the inner shell 20 of the second assembly 75 and the inner shell 59 of the hermetic seal assembly 55; The joint between the socket contact 45 of the first assembly 15 and the lead 61 of the hermetic seal assembly 55 and the joint of the pin contact 88 of the second assembly 75 and the lead 61 of the hermetic seal assembly 55 are respectively provided with springs. Since a force is applied, it is possible to absorb an impact or the like generated when the first assembly 15 and the second assembly 75 are connected via the hermetic seal assembly 55. Therefore, it is possible to prevent the hermetic seals 58 and 60 of the hermetic seal assembly 55 from being damaged during the assembly, and a predetermined sealing performance can be reliably obtained.

 In each of the above embodiments, the case where the present invention is applied to a triple coaxial connector has been described. However, the present invention may be applied to a quadruple or more coaxial connector, and in this case, the same function and effect are provided. It plays.

1 is a longitudinal sectional view showing the entirety of a first embodiment of a connector according to the present invention. It is an enlarged view of the left end part of FIG. It is an enlarged view of the center part of FIG. It is an enlarged view of the right end part of FIG. It is the longitudinal cross-sectional view which showed the whole 2nd Embodiment of the connector by this invention.

Explanation of symbols

1 Multiplex coaxial connector 2 Outer conductor (outer shell)
3 First outer shell 4, 57 Flange 5 Groove 6 O-ring 7 First small diameter portion 8 Second small diameter portion 9 First medium diameter portion 10 Second medium diameter portion 11, 18 Large diameter portion 17 Small diameter portion 15 First assembly 16 Outer insulator 19, 85 Bush 20 Second conductor (inner shell)
21, 24 Small-diameter portion 22, 25 Large-diameter portion 23, 35, 70 Medium-diameter portion 26, 40, 46, 71 Protruding portion 27 Notch 30 Inner insulator 31 First inner insulator 37 Second inner insulator 32, 34, 39 Small diameter part 33, 36, 38 Large diameter part 41, 62, 79 Step 45 First conductor (socket contact)
47 First socket part 48, 51 Fitting hole 49, 52 Notch 50 Second socket part 55 Hermetic seal assembly 56 External shell 58 Second hermetic seal 59 Second conductor (inner shell)
60 Second hermetic seal 61 Lead 65 Second outer shell 66 Large diameter portion 67 Small diameter portion 68 Large diameter portion 69 Small diameter portion 75 Second assembly 77, 80, 86 Large diameter portion 78, 81, 87 Small diameter portion 76 Outer insulator 88 1st conductor (pin contact)
89 Socket part 90 Pin joint

Claims (2)

A first conductor, a second conductor arranged outside the first conductor, a third conductor arranged outside the second conductor, the first conductor and the intermediate portion in the axial direction inside the outer shell A hermetic seal assembly comprising a first hermetic seal for sealing between the second conductor and a second hermetic seal for sealing between the second conductor and the third conductor;
A first conductor interconnected with the first conductor and a second conductor interconnected with the second conductor are provided on both sides of the hermetic seal assembly inside the outer shell, respectively, The multiple coaxial connector, wherein the conductor is integrally joined to the outer shell by soldering. A radial spring force is applied to a connection portion between the first conductor of the hermetic seal assembly and the first conductor on both sides of the hermetic seal assembly, and the second conductor of the hermetic seal assembly 2. The multiplex coaxial connector according to claim 1, wherein a spring force in a radial direction is applied to a connection portion with the second conductor on both sides of the hermetic seal assembly.

Images