JP2005243584A - Coaxial connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a coaxial connector in which deformation of a connector member and a lock mechanism is prevented.
SOLUTION: A connector member 35 comprising a center contact 36, a cylindrical external contact 39 provided around an insulating member 37 around the center contact 36, and a guide member 32 comprising a conductive cylindrical body. The connector member 35 is housed and fixed in the guide member 32 at the connection end with the other connector 20, and preferably the connector member 35 is connected with the other connector 20. There coaxial connector, characterized in that it is fixed retracted a predetermined distance from the opening tip 33 ₁ of the guide member 32.
[Selection] Figure 6

Description

  The present invention relates to a coaxial connector, and more particularly to a coaxial connector that prevents deformation of a connector member and a lock mechanism.

  A coaxial connector is usually composed of a pair of connectors. Among these, one connector is inserted and connected to the other connector, and is generally called a jack connector (hereinafter referred to as a jack). The other connector is called a plug connector (hereinafter referred to as a plug). And when both are combined, the locking mechanism is attached so that it may not come off. (For example, refer to Patent Document 1 below.)

FIG. 8 is a cross-sectional view showing a coaxial connector described in Patent Document 1 below.
The coaxial connector 50 </ b> A includes a plug 50 and a jack 55. Among these, the plug 50 includes a cylindrical housing 51 formed of a conductor and a plug contact 53 supported and fixed by an insulating member 52 in the housing 51. The cylindrical housing 51 has a concave shape on the outer peripheral surface. groove 51 ₁ is formed. The plug 50 is attached to the circuit board 54.
Also, the jack 55 includes a housing 56 formed of a conductor, the jack contacts 58 fixedly supported in the insulator 57 _1, 57 ₂ within the housing 56, connection connected to the shield wire of the coaxial cable 60 and a section ₅₉ 1, 59 _2.
Of these, the housing 56 is constituted by a cylindrical sleeve, provided with equally spaced slits 56 ₀ to the outer peripheral wall of the sleeve has a respective strip 56 ₁ which is divided elastic in these slits 56 ₀ , protrusions are formed on the tip of the strip 56 _1.

The plug 50 and the jack 55 are coupled by inserting the jack 55 into the plug 50 attached to the circuit board 54. This insertion, and Jack contact 58 and plug contact 53 are electrically connected to each other, the housing 56 of the jack 55 is also fitted into the housing 51 of the plug 50, the outer circumference of the strip 56 ₁ housing 51 of the housing 56 It is electrically connected in elastic contact with the surface. Each strip 56 _first projections into locking engagement with the recessed groove 51 ₁ of the housing 51.

Another type of coaxial connector is also known. FIG. 9 shows a known coaxial connector, FIG. 9A is an enlarged cross-sectional view of the connecting portion of the jack and the plug before being connected, and FIG. 9B is a cross-sectional view of the connected state. In FIGS. 9A and 9B, the center contact in the jack is omitted.
As shown in FIG. 9A, the coaxial connector 60 includes a jack 61 and a plug 64, and is characterized by a configuration in which connector members 65 and 66 of the plug 64 protrude from the housing 67. Incidentally, Jack 61, step portion 63 ₁ is formed in the inner part of the housing 62 through holes 63 are formed, the locking projection 66 ₁ of the connector member 66 of the plug 64 in the engaging step portion 63 ₁ It is designed to be engaged.
Plugging 64 into the jack 61, as shown in FIG. 9 (b), the connector member 65, 66 of the plug 64 is inserted into the through hole 63 of the jack 61, the locking projection 66 ₁ of the connector member 66 It engaged in the engaging step portion 63 ₁ of the jack 61. At the same time, the housing 67 of the plug 64 and the housing 62 of the jack 61 are also connected.

Japanese Patent Laid-Open No. 6-243938 (FIGS. 3 and 4, paragraphs [0006] to [0007])

However, since these coaxial connectors all have a connector member exposed to the outside, an object or the like collides with the connector member and is easily deformed by an unexpected external force.
When such deformation occurs in the connector member, the electrical connection of the outer conductor becomes unstable, and a sufficient shielding effect as a coaxial connector cannot be obtained, resulting in adversely affecting transmission characteristics.

  In view of the above-mentioned problems, the inventors have studied various connector structures that do not cause deformation of the connector end portion against unexpected external force, and as a result, protect the contact portion exposed at the connector end portion with the guide member. Thus, the inventors have found that the above problems can be solved, and have reached the present invention.

  That is, an object of the present invention is to provide a coaxial connector that prevents deformation of a connector member and a lock mechanism.

The coaxial connector of the invention according to claim 1 of the present application is a connector member comprising a center contact and a cylindrical external contact provided around the center contact via an insulator,
A guide member made of a conductive cylindrical body;
The connector member is characterized in that a connection end with another connector is housed and fixed in the guide member.

  The invention according to claim 2 of the present application relates to the coaxial connector according to claim 1, characterized in that the center contact of the connector member does not protrude from a tip position of the cylindrical external contact.

  The invention according to claim 3 of the present application relates to the coaxial connector according to claim 1, wherein the center contact of the connector member protrudes from a tip position of the cylindrical external contact.

  The invention according to claim 4 of the present application relates to the coaxial connector according to any one of claims 1 to 3, wherein the connector member has a connection end with the other connector at a predetermined distance from the opening tip of the guide member. It is retracted and fixed.

  The invention according to claim 5 of the present application relates to the coaxial connector according to claim 4, wherein the predetermined distance is not less than ½ of the diameter of the guide member.

  The invention according to claim 6 of the present application relates to the coaxial connector according to any one of claims 1 to 5, wherein the center contact of the connector member has a cylindrical tip portion and is spaced at a predetermined interval in the outer circumferential direction. A plurality of slits along the longitudinal axis direction are formed, and the strip segmented by the slits is an elastic body or has a pin shape.

  The invention according to claim 7 of the present application relates to the coaxial connector according to any one of claims 1 to 6, wherein the cylindrical external contact of the connector member has a longitudinal axis at a predetermined interval in the outer circumferential direction. A plurality of slits are formed along the direction, and the strips divided by the slits are elastic bodies.

  The invention according to claim 8 of the present application relates to the coaxial connector according to claim 6 or 7, characterized in that a locking projection is formed at the tip of the strip.

  The invention of the coaxial connector according to claim 9 of the present application includes a connector member including a center contact and a cylindrical external contact provided around the center contact via an insulator. It is couple | bonded with the coaxial connector as described in any one of these.

  According to the first aspect of the present invention, since the connecting end portion of the connector member is accommodated in the guide member, an object or the like does not collide with the connector member. As a result, since an object or the like does not collide with the connector member and is not deformed, a favorable coupling connection with another connector is possible. Moreover, since the guide member can be used as an external connection separately from the connection of the connector member, a sufficient shielding effect can be exhibited as a coaxial connector.

  According to the second and third aspects of the invention, the guide member protects the connection end portion of the connector member regardless of the shape of the connector member, and can be applied to various connector structures.

  According to the fourth aspect of the invention, in addition to the effect of the first aspect, the connection end of the connector member is retracted from the opening end of the cylindrical body of the guide member by a predetermined distance, so that the object or the like is less likely to collide. Thus, the connector member can be further protected.

  According to the invention of claim 5, even if another connector is erroneously inserted from an oblique direction, it does not collide with the connector member, and deformation of the connector member due to so-called twisting can be prevented.

  According to the invention of claim 6, the center contact has elasticity having a plurality of slits or is pin-shaped, and since the center contact is protected by the guide member, it can be easily connected to other connectors. Possible structures can be obtained.

  According to the invention of claim 7, by providing a plurality of slits in the external contact, the external contact can be given elasticity, and the connection with other connectors becomes good. Further, since the slits are provided, the external contacts that are likely to be deformed by an external force can be protected by the guide member, and the coaxial connector can be formed without fear of deformation.

  According to the eighth aspect of the present invention, the locking projection can be protected by providing the locking projection as a locking member at the end of the strip of the external contact.

  According to the ninth aspect of the present invention, the contact and the locking mechanism are prevented from being deformed by an unexpected external force, so that the center contact is well connected by the connection between the center contact and the external contact and the connection of the guide member. At the same time, a sufficient shield effect can be obtained and a connector connection with good transmission characteristics can be realized.

  Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings. However, the embodiment described below exemplifies a coaxial connector for embodying the technical idea of the present invention, and is not intended to limit the present invention to these. Claims The other embodiments included in are equally applicable.

  FIG. 1 is a side view showing a coupling state of coaxial connectors according to one embodiment of the present invention, and FIG. 2 is an enlarged perspective view in a state where one connector (jack connector) of the coaxial connector of FIG. 3 is an exploded perspective view in which the connector of FIG. 2 is exploded, FIG. 4 is an enlarged perspective view of the other connector (plug connector) of the coaxial connector in FIG. 1, and FIG. 5 is an exploded perspective view in which the connector of FIG. is there.

The coaxial connector 10 of the present invention includes a jack connector 20 (hereinafter simply referred to as a jack) and a plug connector 30 (hereinafter simply referred to as a plug). Jack 20, as shown in FIGS. 2 and 3, a housing 22 made of a conductor having a through-hole 21 in the center, and the insulating member 26 having a through-hole 26 ₁ in the center is inserted into the through hole 21 consists center contact 27 which is inserted into the through hole 26 ₁ of the insulating member 26. The housing 22 includes a connecting portion I to the plug 30 and a mounting portion II to the circuit board 40, and is integrally formed by metal processing or the like with a good conductive material such as brass or phosphor bronze. The through hole 21 passes through the coupling part I and the mounting part II.

The mounting portion II includes a block body 23 having a substantially rectangular parallelepiped shape, and the block body 23 is formed with flanges 23 ₁ and 23 ₂ projecting outward on both side wall surfaces. Each flange 23 ₁ , 23 ₂ is formed of a plate-like body having a predetermined width and thickness. By providing the flanges 23 ₁ and 23 ₂ made of a plate-like body, the mounting and fixing of the jack 20 to the circuit board 40 are facilitated. That is, as shown in FIG. 2, if a notch 42 having a width that allows the block body 23 to be inserted is formed in the circuit board 40, when the block body 23 is inserted into the notch 42, each flange 23. The plate-like surfaces ₁ and 23 ₂ are in contact with the surface of the circuit board 40. The plate-like surfaces of the flanges 23 ₁ and 23 ₂ and the conductor of the circuit board 40 are integrated by solder connection.

Further, the coupling portion I includes a circular external contact 24 and protrudes outward from the end surface of the block body 23. The external contact 24 is formed so that its outer diameter is slightly smaller than the diameter of the through hole 33 of the plug 30. The opening 21 ₁ of the through hole 21 is slightly larger than the outer diameter of the tubular member 39 _{and second} plug 30. A center contact 27 is positioned and fixed in the through hole 21 via an insulating member 26. The positioning and fixing is performed by forming a step portion (not shown) on the inner peripheral wall of the through hole 21. Further, locking protrusions 21 ₀ is formed close to the distal end opening 21 ₁ of the through hole 21. (See FIG. 6). The locking protrusion 21 ₀ is locked with the locking projections 39 ₃ of the plug 30 to be described later.

The insulating member 26 is for insulating the housing 22 and the center contact 27 in the through-hole 21, the through-hole 26 ₁ in which the center contact 27 is inserted is formed in the center portion.
The length of the insulating member 26 is a length for fixing the terminal portion of the center contact 27. The insulating member 26 is preferably formed of an insulating material having elasticity.

Center contact 27 includes a connecting portion 28 comprising a thin tube 28 ₁ having an opening sized to center contact 36 of the plug 30 at one end is inserted, a terminal portion 29 connected to the conductor of the circuit board 40 at the other end, these there are made from the fixed portion 29 ₁ which is fixed to the insulating member 26 between, it is integrally formed of a material comprising a good conductor.
Tubule 28 _{1 0} a plurality of slits 28 are formed along the longitudinal axis at predetermined intervals in the outer circumferential direction in the outer peripheral wall. By forming the slits 28 _0, the connection between the plug 30 an elastic force is applied the better.

In assembling the jack 20, first, the insulating member 26 is inserted into the through hole 21 of the housing 22 almost to the center. Since a step portion or the like (not shown) is provided at the center of the through hole 26, positioning and fixing can be easily performed. The insulating member 26 is inserted into the through hole 21 of the housing 22, after positioning, the center contact 27 is inserted into the through hole 26 ₁ of the insulating member 26 is positioned and fixed by the fixing unit 29 ₁ in the through-hole 26 ₁ .
At that time, the center contact 27 has its tip is positioned and fixed in the through hole 21 of the outer contact 24 in a state retracted behind from the front end opening portion 21 of the _external contact 24.

As shown in FIGS. 4 and 5, the plug 30 includes a right-angled housing 31 having a through-hole 33 inside, and a connector member 35 mounted in the through-hole 33.
The connector member 35 includes a center contact 36, an external contact 39 provided concentrically with the center contact 36, and an insulating member 37 that insulates the center contact 36 and the external contact 39.
The housing 31 is bent at a right angle, has a coupling part III with the jack 20 at one end and a coupling part IV with the coaxial cable at the other end, and is integrally formed of a good conductor such as brass. The through-hole 33 penetrates each coupling part III, IV.
Coupling unit III has a function to guide the insertion of the jack 20 protects the connector member 35 is formed of a cylindrical body 32 ₀ having a predetermined length. Hereinafter, the cylindrical member 32 ₀ of the guide member 32. The guide member 32 has a through hole 33 that is slightly larger than the outer diameter of the jack 20, and when the jack 20 is inserted, the guide member 32 comes into contact with the external contact 24 of the jack 20 and is electrically connected thereto. .

  The coupling portion II with the coaxial cable is composed of a relatively long cylindrical body 34, and a through hole (not shown) through which the coaxial cable 42 can be inserted is formed at the center, and is coaxial with the connector member 35 in the through hole. The cable 42 is connected.

Center contact 36 includes a pin-shaped connecting portions 36 ₁ to be inserted into the center contact 27 of the jack 20, the terminal 36 ₂ of the center conductor of the coaxial cable 42 is connected to the other end, formed therebetween positioning It consists projection 36 ₃ is formed integrally with good-material.

The insulating member 37 includes a cylindrical body 37 having an outer diameter slightly smaller than the diameter of the through hole 33 and a predetermined length, and is formed of an insulating material. The insulating member 37 has a through hole 38 into which the center contact 36 is inserted at the center. Also, on one end face of the insulating member 37, the end surface surrounds the through hole 38 is cylindrical projections 37 ₁ of smaller diameter than the outer shape of the insulating member 37 that protrudes outward a predetermined length is formed. The projection 37 ₁ is fitted into the recess of the external contact 39.

External contact 39 is made of a cylindrical body having a predetermined length and diameter, slightly smaller than the opening 33 ₁ of the through hole 33, the first cylindrical member 39 having an outer diameter in contact with the inner wall surface of the opening 33 _{1 1} When made the second cylindrical member 39 ₂ having a slightly smaller outer diameter than the inner diameter of the opening 21 ₁ of the first tubular member 39 ₁ of the outer diameter than the small and jack 20 are integrally formed with good-material .
First, second tubular member ₃₉ 1, 39 ₂ has a predetermined length in the longitudinal axis direction, of which the second cylindrical member 39 ₂ is formed longer than the first tubular member 39 ₁ , Which is connected to the jack 20. On the back surface of the first tubular member 39 _1, recesses (not shown) is formed.
The second cylindrical member 39 ₂ is in its outer peripheral wall, is formed with a plurality of slits 39 ₀ along the longitudinal axis at predetermined intervals in the outer peripheral direction is divided into strips of a predetermined width. These strips are elastic pieces. The distal end of the strip, the locking projections 39 ₃ projecting outward is formed.
Thus, when the jack 20 is inserted into the plug 30, each strip of the second tubular member 39 _{and second} plug 30, through the opening 21 of the jack 20, for engagement with the protrusion 21 ₀ in the opening, Has a retaining effect.

Upon assembly of the plug 30, first the external contacts 39, by inserting the projection 37 ₁ of the insulating member 37 in a recess of the outer contact 39, by combining the insulating member 37 and the outer contact 39, the through hole 38 of the insulating member 37 The center contact 36 is inserted into the connector member 35 and assembled. Then, insert this assembled connector member 35 into the guide member 32 of the cylindrical body 32 ₀ through hole 33, positioned and fixed in the through hole 33. This positioning and fixing is performed by providing a step portion or the like (not shown) in the through hole.
Then, insert the coaxial cable 42 from the tubular body 34, the connecting center conductor of the coaxial cable 42 to the connecting portion 36 ₂ of the center contact 36, and connect the shield wire of the coaxial cable 42 to the tubular member 34 fixed To do.

After assembling the jack 20 and the plug 30, as shown in FIG. 1, the jack 20 is inserted into the plug 30 for electrical connection and mechanical connection. At that time, as things like the connector member 35 of the plug 30 do not collide, keep accommodate the connector member 35 into the cylindrical member 32 ₀ of the guide member 32.
That is, the distal end portion of the connector member 35 is positioned and fixed in the through hole 33 so as not to protrude out of the distal opening 33 ₁ of the guide member 32. At that time, the connector member 35 may but be positioned and fixed its tip by positioning the portion close to the tip opening 33 ₁ of the guide member 32 in the through hole 33, for reasons described in detail below, distal end part is from the distal end opening 33 ₁ of the guide member 32, preferably fixed in the retracted position to the back by a predetermined distance.

  6 shows a connecting portion between the jack and the plug, and FIG. 6A is an enlarged cross-sectional view of the connecting portion of the jack (the central contact is omitted in this figure), FIG. 6B. FIG. 6C is an enlarged cross-sectional view showing a state where the connecting portion of the plug is enlarged, and FIG.

Connector member 35, as shown in FIG. 6 (b), from the distal end opening 32 ₁ of the guide member 32 to the interior of the through-hole 33 retracted a predetermined distance is positioned and fixed in the through hole 33.
The distance to retract the jack 20, is inserted incorrectly obliquely, in order to tip of the jack 20 is prevented from colliding with the connector member 35, the opening 33 ₁ in the diameter of the guide member 32 one half or more It is preferable to set. The reason will be described below.
When the external contact 24 of the jack 20 is different from the normal insertion, are inserted obliquely accidentally, as shown in FIG. 6 (c), the connector becomes tip 24 ₀ of the external contacts 24 of the jack 20 is obliquely member 35 To approach. In this case, the distance B in the longitudinal direction of the distal end portion 24 ₀ of the jack 20 enters into the guide member 32, most longer when the tip section 24 ₀ is positioned on the axial line of the guide member 32. Then, changes the the inserted angle of the jack 20, tip 24 ₀ deviates from the axial line, the distance B decreases gradually.

Therefore, even if the jack 20 is inserted from any angle to the guide member 32, in order to tip 24 ₀ of the external contact 24 does not collide with the tip portion 39 ₀ of the external contacts 39 of the connector member 35 is retracted a distance It is only necessary to set A to be equal to or greater than the maximum value B _max of the penetration distance of the jack 30.
That is, assuming that the outer diameter of the cylindrical body of the jack 20 is D and the opening diameter of the guide member 32 of the plug is C, these relationships can be expressed as follows.
C ≧ D, B _max : C = 1: 2, A> B
Incidentally, B is the distance the distal end portion 24 ₀ of the jack cylindrical body is inserted into the opening 33 _1.
As a result, if the distance A is set so that A ≧ C / 2, the jack does not collide with the connector member of the plug at the time of coupling.

According to the coaxial connector of the first embodiment, since the connector member of the plug is accommodated in the guide member and does not protrude outside, an obstacle or the like does not collide with the connector member, and the connector member is deformed or damaged. Can be prevented.
Further, by retracting the connector member a predetermined distance from the cylindrical guide, it is possible to prevent deformation caused by the jack being erroneously inserted from an oblique direction, that is, deformation or damage caused by so-called prying.

  In the plug of Example 1 shown in FIG. 6B, the center contact is accommodated in the cylindrical body of the external contact, but the tip of the center contact may protrude from the tip of the external contact. Therefore, as a second embodiment, a coaxial connector having a different contact portion shape in which the tip of the center contact of the plug protrudes from the tip of the external contact will be described below. However, the coaxial connector of the present embodiment has the same configuration as the first embodiment except that the shape of the contact portion of the plug is different from that of the first embodiment. A description will be omitted by giving a reference numeral, and duplication of description will be avoided.

  7A and 7B show a plug connecting portion constituting the coaxial connector of the second embodiment, FIG. 7A is an enlarged cross-sectional view of the plug connecting portion, and FIG. 7B is an oblique view of the jack on the plug. It is an expanded sectional view which shows the state inserted.

As shown in FIG. 7A, the joint portion of the plug 30A, which is a coaxial connector according to the second embodiment, includes a guide member 32 and a connector member 35 ′, and a cylindrical guide having a through hole 33. A cylindrical connector member 35 ′ provided concentrically within the member 32 is provided. A connector member 35 ′ of the plug 30 A is composed of a cylindrical center contact 36 ′ having a predetermined length and an external contact 39 attached to the center contact 36 ′ via an insulator. front end portion of the center contact 36 'from the tip 39 ₀ protrude a predetermined length.

Such connector member 35 'is used in such case, especially for accurate positioning during connector, center contact 36 of the elongate' the tip portion of the projects from the distal end portion 39 ₀ of the external connector 39, Deformation due to external force is likely to occur. Once the tip of the center contact 36 'is deformed, accurate positioning becomes difficult, and in the worst case, the connector itself cannot be connected and becomes useless. Therefore, the guide member 32 is provided up to a position covering the tip of the center contact 36 'to protect the center contact 36' from external force.

Furthermore, the plug 30A of Fig. 7 (a), the guide 'retracted distance A in the longitudinal axis direction to the tip portion of the center contact 36' from the opening 33 ₁ of the member 32 center contact 36 the guide member 32 to the distal end portion of the preferably of providing a position retracted from the opening 33 _1. This is because, for example, as shown in FIG. 7B, when the jack 20 inserted into the plug 30A is inserted obliquely, it hits the tip of the center contact 36 ′ and the center contact 36 ′ is not deformed. The distance A to be retracted is as follows, assuming that the diameter of the through hole 33 of the guide member 32 is C and the penetration distance of the jack 20 into the guide member 32 is B (the maximum value is B _max ). Make sure the relationship holds.
A> B, B _max : C = 1: 2
That is, by setting A ≧ C / 2, even when the jack 20 is inserted into the guide member 32 at an angle, the jack 20 does not come into contact with the center contact 36 ′. Can be prevented.

FIG. 1 is a side view showing a coupling state of coaxial connectors according to one embodiment of the present invention, FIG. 2 is an enlarged perspective view in a state where one connector (jack connector) of the coaxial connector of FIG. 1 is mounted on a circuit board; FIG. 3 is an exploded perspective view of the connector of FIG. 4 is an enlarged external perspective view of the other connector (plug connector) of the coaxial connector of FIG. FIG. 5 is an exploded perspective view of the connector of FIG. 6 shows a connection portion between the jack and the plug, FIG. 6A is an enlarged sectional view of the connection portion of the jack, FIG. 6B is an enlarged sectional view of the connection portion of the plug, and FIG. ) Is an enlarged cross-sectional view showing a state where the jack is inserted diagonally, 7A and 7B show a plug connecting portion constituting the coaxial connector of the second embodiment, FIG. 7A is an enlarged cross-sectional view of the plug connecting portion, and FIG. 7B is an oblique view of the jack on the plug. An enlarged sectional view showing the inserted state, FIG. 8 is a cross-sectional view showing a coaxial connector described in Patent Document 1, 9A and 9B show a known coaxial connector, FIG. 9A is an enlarged cross-sectional view of a connecting portion of a jack and a plug before being connected, and FIG. 9B is a cross-sectional view of the connected state.

Explanation of symbols

10 Coaxial connector 20 Jack (connector)
21 Through-hole 22 Housing 24 External contact 26 Insulating member 27 Center contact 30 Plug (connector)
31 Housing 32 Guide member 33 Through-hole 34 Tubular body 35 Connector member 36 Center contact 37 Insulating member 38 Through-hole 39 External contact 40 Circuit board

Claims (9)

A connector member comprising a center contact and a cylindrical external contact provided around the center contact via an insulator;
A guide member made of a conductive cylindrical body;
The coaxial connector is characterized in that the connector member is housed and fixed in the guide member at a connection end with another connector.   The coaxial connector according to claim 1, wherein the center contact of the connector member does not protrude from a tip position of the cylindrical external contact.   The coaxial connector according to claim 1, wherein the center contact of the connector member protrudes from a tip position of the cylindrical external contact.   4. The coaxial according to claim 1, wherein the connector member has a connection end portion to the other connector that is retracted and fixed a predetermined distance from the opening tip of the guide member. 5. connector.   The coaxial connector according to claim 4, wherein the predetermined distance is ½ or more of a diameter of the guide member.   The central contact of the connector member has a cylindrical tip, and a plurality of slits are formed along the longitudinal axis at predetermined intervals in the outer circumferential direction. The coaxial connector according to claim 1, wherein the coaxial connector has a pin shape.   The cylindrical external contact of the connector member is formed with a plurality of slits along the longitudinal axis direction at predetermined intervals in the outer circumferential direction, and the strips separated by the slits are elastic bodies. The coaxial connector according to any one of claims 1 to 6, wherein:   The coaxial connector according to claim 6 or 7, wherein a locking projection is formed at a tip of the strip.   A connector member comprising a center contact and a cylindrical external contact provided around the center contact via an insulator is provided, and is coupled to the coaxial connector according to any one of claims 1 to 8. A coaxial connector characterized by that.

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