JP2012109046A - L-shaped coaxial connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an L-shaped coaxial connector which can hold a coaxial cable without the need to apply an excessive caulking force to a caulking/holding part.SOLUTION: The L-shaped coaxial plug connector 100 comprises a central contact 10 to which the center conductor 111 of a coaxial cable 110 is connected, a holding insulation part 22 which holds the central contact 10, and a metal shell 30 having guide pieces 31a and 31b. The metal shell 30 has caulking/holding parts 35a and 35b which are formed to surround the periphery of the holding insulation part 22 and are caulked each other to hold the holding insulation part 22 and the guide pieces 31a and 31b. The caulking/holding parts 35a and 35b have a configuration to grip each other when a rectangular opening 35c and a rectangular protrusion 35d are fitted.

Description

  The present invention relates to an L-type coaxial connector used for mobile devices such as mobile phones and notebook computers.

  Conventionally, an L-shaped coaxial connector is known in which a coaxial cable is drawn in a direction orthogonal to a direction in which the connector is attached to and detached from the mating connector (for example, see Patent Document 1). This type of L-shaped coaxial connector has a center contact for holding the center conductor of the coaxial cable, an insulator covering the center contact, and a metal shell connected to the cylindrical terminal of the mating connector. The metal shell is formed with a pair of caulking holding portions that hold the central conductor of the coaxial cable together with the insulator.

  As a shape of a conventional caulking holding portion, a shape as shown in FIG. 10 is known. FIG. 10 is a cross-sectional view of the vicinity of the location where the central conductor of the coaxial cable is held in a conventional L-shaped coaxial connector, and shows three configuration examples (a) to (c).

  First, the conventional L-shaped coaxial connector shown in FIG. 10A is connected to a central contact 2 that holds a central conductor 1 of a coaxial cable, an insulator 3 that covers the central contact 2, and a cylindrical terminal of a mating connector. And a pair of caulking holding portions 4 a and 4 b formed on the metal shell 4 and holding the periphery of the insulator 3.

  Next, the conventional L-shaped coaxial connector shown in FIG. 10B includes a central conductor coating 6 that surrounds the outer peripheral surface of the central conductor 5 of the coaxial cable, an insulator 7 that holds the central conductor coating 6, and a mating connector. A metal shell 8 connected to the cylindrical terminal, and a pair of caulking holding portions 8 a and 8 b formed on the metal shell 8 and holding the periphery of the insulator 7. Here, as shown in FIG. 10 (b1), the caulking holding portions 8a and 8b are each bent in advance in an L shape before caulking.

  Next, the conventional L-shaped coaxial connector shown in FIG. 10C has a metal shell 9 having a shape different from that shown in FIG. The parts 9a and 9b are each processed in advance into a shape along the side surface of the insulator 7 before caulking.

  In FIGS. 10B and 10C, illustration of the center contact holding the center conductor 5 is omitted.

Japanese Patent No. 4481161

  However, in the conventional L-shaped coaxial connector, the caulking holding part is formed integrally with a metal shell produced by press-molding a single metal plate, so that it is not caulking unless an excessive caulking force is applied to the caulking holding part. Later, springback occurred, and there was a problem that the shape after crimping shown in FIG. 10 could not be obtained. As a result, the conventional L-shaped coaxial connector has a problem that a problem may occur in the coaxial cable due to an excessive caulking force in consideration of springback.

  Specifically, in the case shown in FIG. 10A, an excessive caulking force is applied to the caulking holding portions 4a and 4b, thereby causing poor contact between the central conductor 1 and the central contact 2 of the coaxial cable. There was a problem that there was something. 10B and 10C, an excessive caulking force is applied to the caulking holding portions 8a and 8b, so that the center conductor 5 of the coaxial cable is disconnected or the center conductor is covered (dielectric). There was a problem that 6 damage might occur.

  The present invention has been made to solve the conventional problems, and an object of the present invention is to provide an L-type coaxial connector that can hold a coaxial cable without applying an excessive caulking force to the caulking holding portion. .

  The L-type coaxial connector according to the present invention is an L-type coaxial connector in which a coaxial cable is drawn out in a direction intersecting with an attaching / detaching direction with a mating connector, and a center contact portion and a coaxial cable contacting a center terminal of the mating connector A central contact connected to a central conductor connecting portion to which the central conductor is electrically connected, a main body insulating portion provided with a through-hole through which the central contact portion passes in the attaching / detaching direction with the mating connector, and the center An insulating body having a holding insulating portion for holding a conductor connecting portion, and a cut in the attaching / detaching direction along the outer periphery of the main body insulating portion to form a cylindrical terminal of the mating connector; Covering the back surface showing the surface opposite to the mating connector side of the main body insulating portion, which is sequentially formed through the contacting cylindrical contact portion and the connecting portion connected to the cylindrical contact portion. With lid A pair of caulking holding portions formed so as to surround the holding insulating portion and holding the holding insulating portion by caulking each other, and a metal shell integrally formed from a single metal plate, And the metal shell is bent so that the lid portion covers the back surface of the main body insulating portion with the connecting portion as a bending position, and the pair of caulking holding portions each have a holding mechanism for holding each other. .

  The present invention can provide an L-shaped coaxial connector having an effect that a coaxial cable can be held without applying an excessive caulking force to the caulking holding portion.

It is a perspective view of the L type coaxial plug connector in a 1st embodiment of the present invention. FIG. 3 is a plan view, a side view, and a cross-sectional view of an L-shaped coaxial plug connector in the first embodiment of the present invention. It is a perspective view of the center contact of the L type coaxial plug connector in a 1st embodiment of the present invention. It is a perspective view of the insulator of the L type coaxial plug connector in a 1st embodiment of the present invention. It is a perspective view of the metal shell of the L type coaxial plug connector in a 1st embodiment of the present invention. FIG. 3 is an assembly explanatory diagram of a center contact, an insulator, and a metal shell in the L-shaped coaxial plug connector according to the first embodiment of the present invention. It is a perspective view which shows the state before crimping in the L-shaped coaxial plug connector in 1st Embodiment of this invention. It is a top view of the L type coaxial plug connector in a 2nd embodiment of the present invention. It is a top view of the L type coaxial plug connector in a 3rd embodiment of the present invention. It is sectional drawing of the conventional L-shaped coaxial connector.

  Hereinafter, embodiments of the present invention will be described. An example in which the L-type coaxial connector according to the present invention is applied to the plug side (hereinafter referred to as “L-type coaxial plug connector”) will be described as an example.

(First embodiment)
First, the structure of 1st Embodiment of this invention is demonstrated, referring each figure of FIGS. 1-7 suitably. Here, FIG. 1 is a perspective view of the L-shaped coaxial plug connector 100 in the present embodiment, FIG. 2 is a plan view, a side view, and a sectional view of the L-shaped coaxial plug connector 100, and FIG. 4 is a perspective view of the insulator 20, FIG. 5 is a perspective view of the metal shell 30, FIG. 6 is an assembly explanatory view of the center contact 10, the insulator 20, and the metal shell 30, and FIG. It is a perspective view which shows the state of.

  As shown in FIG. 1, the L-shaped coaxial plug connector 100 according to the present embodiment has a configuration in which a coaxial cable 110 is drawn out in a direction perpendicular to the attachment / detachment direction with respect to a receptacle connector 120 as a mating connector. The L-type coaxial plug connector 100 constitutes an L-type coaxial connector according to the present invention.

  The receptacle connector 120 includes a center terminal 121, a cylindrical terminal 122, a substrate 123, and terminals 121a and 122a. The terminal 121 a is connected to the center terminal 121, and the terminal 122 a is connected to the cylindrical terminal 122. The receptacle connector 120 is fixed to the printed board by soldering the terminals 121a and 122a to predetermined lands on a printed board (not shown).

  As shown in FIG. 2, the L-type coaxial plug connector 100 includes a center contact 10, an insulator 20, and a metal shell 30.

  As shown in FIG. 3, the center contact 10 includes a center contact portion 11 and a center conductor connection portion 12, and the center contact portion 11 and the center conductor connection portion 12 are connected in an L shape. The center contact portion 11 contacts the center terminal 121 of the receptacle connector 120 shown in FIG. The center conductor connecting portion 12 has a grip portion 12a for gripping the center conductor 111 of the coaxial cable 110, and as shown in FIG. 2E, which is a cross-sectional view taken along the line CC in FIG. 2C, the grip portion 12a. By holding the center conductor 111, the center contact 10 and the center conductor 111 are electrically connected.

  As shown in FIG. 4, the insulator 20 includes a main body insulating portion 21, a holding insulating portion 22, and a cover plate 23.

  The main body insulating portion 21 has a through hole 21a through which the center contact portion 11 of the center contact 10 passes in the direction of attachment to and detachment from the receptacle connector 120, and an opening stopper that holds opening stoppers 31c and 31d provided in the metal shell 30 described later. A piece holding portion 21b and a back surface 21c are formed.

  The holding insulating portion 22 is formed with a groove portion 22a, guide piece arrangement surfaces 22b and 22c, a back surface 22d, guide piece receiving portions 22e and 22f, and a pair of bent pieces 22g and 22h.

  The center conductor connecting portion 12 of the center contact 10 is disposed in the groove portion 22a. Guide pieces 31a and 31b provided on a metal shell 30 described later are arranged on the guide piece arrangement surfaces 22b and 22c, respectively. The guide piece receiving portions 22e and 22f are configured to receive guide pieces 31a and 31b, which will be described later, respectively. The pair of bent pieces 22g and 22h are bent when caulking holding portions 35a and 35b provided on the metal shell 30 described later, and press the grip portion 12a of the center contact 10.

  As shown in FIGS. 1 and 5, the metal shell 30 includes a cylindrical contact portion 31, a connecting portion 32, a lid portion 33, an engaging means 34, a caulking holding means 35, an outer conductor fixing portion 36, and an outer jacket fixing portion 37. Have The metal shell 30 is formed by punching a single metal plate (for example, an adjacent bronze plate) by pressing and bending it.

  The cylindrical contact portion 31 is processed into a shape bent in a cylindrical shape along the outer periphery of the main body insulating portion 21. Moreover, the cylindrical contact part 31 has the cut 31e along the attachment / detachment direction, and contacts the cylindrical terminal 122 of the receptacle connector 120. FIG. In addition, the cylindrical contact portion 31 is a pair of guide pieces 31a formed by being cut and raised toward the drawing direction of the coaxial cable 110 symmetrically with respect to the cut 31e from the end face 31f side opposite to the receptacle connector 120 side. And 31b. The cylindrical contact portion 31 has a pair of locking pieces 31 c and 31 d that protrude in the attaching / detaching direction within a region smaller than the outer peripheral diameter of the cylindrical contact portion 31.

  When the insulator 20 is incorporated in the metal shell 30, the opening stoppers 31c and 31d are held and fixed by the opening stopper holding part 21b formed on the main body insulating part 21 of the insulator 20. As a result, the stopper piece holding portion 21b prevents the inner diameter of the cylindrical contact portion 31 of the metal shell 30 from expanding, so that the fitting force between the L-type coaxial plug connector 100 and the receptacle connector 120 may be reduced. Is prevented.

  The connecting portion 32 is formed on the end surface 31f side of the cylindrical contact portion 31 on the side facing the cut 31e. When the metal shell 30 is bent 90 degrees with the connecting portion 32 being the bending position, the shape shown in FIG. 1 is obtained.

  The lid portion 33 is formed so as to cover the back surface 21 c of the main body insulating portion 21 when the metal shell 30 is bent 90 degrees at the connecting portion 32.

  The engaging means 34 has a pair of arm-shaped engaging portions 34a and 34b. The engaging portions 34a and 34b have triangular pyramidal projections 34c and 34d, respectively. When the metal shell 30 is bent 90 degrees at the connecting portion 32, the engaging portions 34a and 34b are engaged with the pair of guide pieces 31a and 31b by the protrusions 34c and 34d, respectively. With this configuration, the pair of engaging portions 34 a and 34 b can prevent the angle formed by the A surface and the B surface of the metal shell 30 from exceeding approximately 90 degrees due to the spring back of the metal shell 30.

  Note that the shapes of the protrusions 34c and 34d are not limited to the triangular pyramid shape, but may be any shape as long as the engaging portions 34a and 34b are engaged with the guide pieces 31a and 31b, respectively. Further, the engaging portions 34a and 34b may include engaging means in place of the protrusions 34c and 34d, respectively. As the engaging means, for example, a configuration in which the dimension between the inner surfaces of the engaging parts 34a and 34b is made smaller than the dimension between the outer surfaces of the guide pieces 31a and 31b, and both are engaged by press-fitting, or the engaging part 34a. The surface where the guide piece 31a is in contact with each other and the surface where the engaging portion 34b and the guide piece 31b are in contact with each other are roughened to increase the frictional resistance between them and engage them.

  As shown in FIG. 2D, which is a cross-sectional view taken along the line CC in FIG. 2B, the caulking holding means 35 is a pair of arm-shaped caulking holding portions 35a and 35b bent into an L shape. It is configured. The caulking holding portions 35a and 35b are formed so as to surround the holding insulating portion 22, and are held together to hold the holding insulating portion 22 and the guide pieces 31a and 31b.

  A rectangular opening 35c is formed at the tip of the caulking holding portion 35a. A convex portion 35e is formed on the root side of the caulking holding portion 35a. Similarly, a rectangular projection 35d is formed at the tip of the caulking holding portion 35b. A convex portion 35f is formed on the root side of the caulking holding portion 35b. Here, the opening 35c and the protrusion 35d are formed to have a size to be fitted to each other. With this configuration, when the caulking holding portions 35a and 35b are caulked, the opening 35c and the projection 35d are fitted, and the caulking holding portions 35a and 35b are configured to grip each other. The opening 35c and the protrusion 35d constitute a gripping mechanism according to the present invention.

  The outer conductor fixing part 36 is formed so as to surround the outer conductor 113 of the coaxial cable 110, and the outer conductor 113 is fixed by caulking the outer conductor fixing part 36. As a result, the outer conductor 113 of the coaxial cable 110 and the cylindrical contact portion 31 are electrically connected.

  The outer jacket fixing part 37 is formed so as to surround the outer periphery of the outer jacket 114 of the coaxial cable 110, and the outer jacket fixing section 37 is caulked to fix the outer jacket 114.

  Next, the assembled state of the center contact 10, the insulator 20, and the metal shell 30 is shown in FIG. As shown in FIG. 6, the center conductor connecting portion 12 of the center contact 10 is disposed in the groove portion 22 a of the insulator 20. The center contact portion 11 of the center contact 10 is inserted into the through hole 21a of the main body insulating portion 21 (see FIG. 2A).

  The main body insulating portion 21 is inserted into the cylindrical contact portion 31 of the metal shell 30. The guide piece 31a formed on the cylindrical contact portion 31 of the metal shell 30 is arranged on the guide piece arrangement surface 22b (see FIG. 4) of the holding insulating portion 22, and the tip of the guide piece 31a is guided to the guide piece receiving portion 22e. Is receiving. Similarly, although not shown, the other guide piece 31b is arranged on the guide piece arrangement surface 22c of the holding insulating portion 22, and the guide piece receiving portion 22f receives the tip of the guide piece 31b.

  Next, the metal shell 30 is bent 90 degrees at the connecting portion 32, and the state before caulking is shown in FIG. As shown in FIG. 7, when the metal shell 30 is bent 90 degrees at the connecting portion 32, the pair of engaging portions 34a and 34b are engaged with the pair of guide pieces 31a and 31b, respectively. As a result, the angle formed between the A surface and the B surface of the metal shell 30 shown in FIG. 2A is maintained at approximately 90 degrees.

  Next, the assembly process of the L-shaped coaxial plug connector 100 will be described with reference to FIGS.

  First, the main body insulating portion 21 of the insulator 20 is inserted into the cylindrical contact portion 31 of the metal shell 30 with the cover plate 23 of the insulator 20 facing the lid portion 33 side of the metal shell 30. At this time, the guide pieces 31 a and 31 b formed in the cylindrical contact portion 31 are arranged on the guide piece arrangement surfaces 22 b and 22 c of the holding insulating portion 22, respectively.

  Subsequently, the center contact portion 11 of the center contact 10 is inserted into the through hole 21 a of the main body insulating portion 21, and the center conductor connecting portion 12 of the center contact 10 is disposed in the groove portion 22 a of the holding insulating portion 22.

  Thereafter, the metal shell 30 is bent 90 degrees at the connecting portion 32, and as shown in FIG. 7, the pair of engaging portions 34a and 34b are engaged with and fixedly held by the pair of guide pieces 31a and 31b, respectively. At this time, the cover plate 23 is in a state of pressing the center conductor connecting portion 12 (see FIG. 2A).

  Next, the center conductor 111 exposed from the center conductor coating 112 at one end of the coaxial cable 110 is inserted into the pair of gripping portions 12a to obtain the state shown in FIG.

  Then, the outer conductor 113 and the outer jacket 114 of the coaxial cable 110 are fixed by caulking the outer conductor fixing portion 36 and the outer jacket fixing portion 37, respectively.

  Further, the caulking holding portions 35a and 35b are bent and raised inward from each other so that the caulking holding portions 35a and 35b surround the holding insulating portion 22, and the opening 35c and the protrusion 35d are caulked and fitted. At this time, the convex portions 35e and 35f press the bent pieces 22g and 22h of the holding insulating portion 22, respectively. When the caulking holding portions 35a and 35b are fitted to each other by caulking, the caulking holding portions 35a and 35b grip each other (see FIG. 2C). In this caulking step, it is only necessary to apply a caulking force for fitting the caulking holding portions 35a and 35b to each other, and an excessive caulking force is not required as in the prior art.

  As described above, according to the L-shaped coaxial plug connector 100 in the present embodiment, the pair of caulking holding portions 35a and 35b includes the opening 35c and the protrusion 35d, respectively, and the opening 35c and the protrusion 35d are fitted to each other. By doing so, since the caulking holding portions 35a and 35b are configured to hold each other, the coaxial cable 110 can be held without applying an excessive caulking force to the caulking holding portions 35a and 35b.

  Therefore, the L-type coaxial plug connector 100 according to the present embodiment has a contact failure between the center conductor 111 and the center contact 10 of the coaxial cable 110, breakage of the center conductor 111, and damage to the center conductor coating 112, which have occurred in the past by caulking. Etc. can be prevented.

  In addition, since the L-shaped coaxial plug connector 100 according to the present embodiment is configured so that the locking stopper holding portion 21b holds and fixes the locking stoppers 31c and 31d, the inner diameter of the cylindrical contact portion 31 of the metal shell 30 is increased. This can be prevented. As a result, the L-type coaxial plug connector 100 can prevent the fitting force between the L-type coaxial plug connector 100 and the receptacle connector 120 from decreasing.

  Furthermore, since the L-shaped coaxial plug connector 100 according to the present embodiment is configured so that the pair of engaging portions 34a and 34b engage and fix the pair of guide pieces 31a and 31b, respectively, The effect of springback can be suppressed. As a result, the L-type coaxial plug connector 100 realizes an improvement in workability of fixing the coaxial cable 110 to the metal shell 30 and a configuration (lower profile) that reduces the height when mounted on the receptacle connector 120. can do.

  In the above-described embodiment, the L-type coaxial plug connector 100 in which the L-type coaxial connector according to the present invention is applied to the plug side has been described as an example. However, the present invention is not limited to this, and the receptacle. The same effect can be obtained with an L-shaped coaxial receptacle connector applied to the side.

  In the above-described embodiment, the shape before caulking of the caulking holding portions 35a and 35b has been described with the type shown in FIG. Instead of this, the type shown in FIG.

(Second Embodiment)
Next, a second embodiment of the present invention will be described. As shown in FIG. 8, the L-shaped coaxial plug connector 200 in this embodiment includes a caulking holding means 41 instead of the caulking holding means 35 of the first embodiment. Therefore, the same components as those in the first embodiment are denoted by the same reference numerals, and redundant description is omitted.

  The caulking holding means 41 is composed of a pair of arm-shaped caulking holding parts 41a and 41b. The caulking holding portions 41a and 41b are formed so as to surround the holding insulating portion 22, and are held together to hold the holding insulating portion 22 and the guide pieces 31a and 31b. In addition, as the shape before caulking of the caulking holding portions 41a and 41b, the type shown in FIG. 10 (b1), which is an explanatory view of a conventional example, is preferable.

  A concave portion 41c having a narrow opening width on the tip side is formed at the tip of the caulking holding portion 41a. At the tip of the caulking holding portion 41b, a convex portion 41d with a narrowed base is formed. With this configuration, when the caulking holding portions 41a and 41b are caulked, the concave portion 41c and the convex portion 41d are caught, and the caulking holding portions 41a and 41b are gripped with each other. Here, the concave portion 41c and the convex portion 41d constitute a gripping mechanism according to the present invention.

  As described above, according to the L-shaped coaxial plug connector 200 in the present embodiment, the pair of caulking holding portions 41a and 41b includes the concave portion 41c and the convex portion 41d, respectively, and the concave portion 41c and the convex portion 41d. Since the caulking holders 41a and 41b are configured to grip each other by being caught, the coaxial cable 110 can be held without applying an excessive caulking force to the caulking holders 41a and 41b.

(Third embodiment)
Next, a third embodiment of the present invention will be described. As shown in FIG. 9, the L-shaped coaxial plug connector 300 in this embodiment includes a caulking holding means 51 instead of the caulking holding means 35 in the first embodiment. Therefore, the same components as those in the first embodiment are denoted by the same reference numerals, and redundant description is omitted.

  The caulking holding means 51 includes a pair of arm-shaped caulking holding parts 51a and 51b. The caulking holding portions 51a and 51b are formed so as to surround the holding insulating portion 22 by overlapping the tip side of the caulking holding portion 51b on the tip side of the caulking holding portion 51a. Further, the caulking holding parts 51a and 51b are caulked to hold the holding insulating part 22 and the guide pieces 31a and 31b. Note that the shape before caulking of the caulking holding portions 51a and 51b is preferably the type shown in FIG.

  A rectangular through hole 51c is formed on the tip side of the caulking holding portion 51a. A claw portion 51d that is hooked on the inner wall of the through hole 51c is formed on the distal end side of the caulking holding portion 51b. With this configuration, when the caulking holding portions 51a and 51b are caulked, the claw portion 51d is caught on the inner wall of the through hole 51c, and the caulking holding portions 51a and 51b are gripped with each other. Here, the through-hole 51c and the claw portion 51d constitute a gripping mechanism according to the present invention.

  The shape of the through hole 51c is not limited to a rectangular shape, and may be a circle, an ellipse, a triangle, or the like.

  As described above, according to the L-shaped coaxial plug connector 300 in the present embodiment, the pair of caulking holding portions 51a and 51b includes the through hole 51c and the claw portion 51d on the distal end side, respectively, and is formed on the inner wall of the through hole 51c. Since the caulking holding portions 51a and 51b grip each other when the claw portion 51d is hooked, the coaxial cable 110 can be held without applying an excessive caulking force to the caulking holding portions 51a and 51b.

  As described above, the L-shaped coaxial connector according to the present invention has an effect that the coaxial cable can be held without applying an excessive caulking force to the caulking holding portion, and mobile devices such as a mobile phone and a laptop computer. It is useful as an L-shaped coaxial connector used in

DESCRIPTION OF SYMBOLS 10 Center contact 11 Center contact part 12 Center conductor connection part 20 Insulator 21 Main body insulation part 21a Through-hole 21b Unlocking piece holding part 21c Back surface 22 Holding insulation part 22b, 22c Guide piece arrangement surface 30 Metal shell 31 Cylindrical contact part 31a , 31b Guide piece 31c, 31d Opening stop piece 31e Cut 32 Connection part 33 Lid part 34a, 34b Engagement part 34c, 34d Protrusion 35a, 35b, 41a, 41b, 51a, 51b Caulking holding part 35c Opening part (gripping mechanism)
35d Protrusion (gripping mechanism)
41c concave part (gripping mechanism)
41d Convex part (gripping mechanism)
51c Through hole (gripping mechanism)
51d Claw (gripping mechanism)
100, 200, 300 L type coaxial plug connector (L type coaxial connector)
110 Coaxial cable 111 Center conductor 120 Receptacle connector (mating connector)
121 center terminal 122 cylindrical terminal

Claims (7)

An L-shaped coaxial connector in which a coaxial cable is drawn out in a direction intersecting with a direction of attachment / detachment with a mating connector
A center contact in which a center contact portion that contacts a center terminal of the mating connector and a center conductor connection portion to which a center conductor of a coaxial cable is electrically connected;
An insulator having a main body insulating portion provided with a through-hole through which the center contact portion passes in the attaching / detaching direction with the mating connector, and a holding insulating portion for holding the center conductor connecting portion;
A cylindrical contact portion that is bent along the outer periphery of the main body insulating portion and has a cut along the attachment / detachment direction and contacts the cylindrical terminal of the mating connector, and is connected to the cylindrical contact portion. A lid part covering the back surface showing the surface opposite to the mating connector side of the main body insulating part, which is sequentially formed through the provided connecting part, and is formed so as to surround the periphery of the holding insulating part. A pair of caulking holding parts that hold the holding insulating part by being caulked to each other, and a metal shell integrally formed from a single metal plate,
The metal shell is bent so that the lid portion covers the back surface of the main body insulating portion with the connecting portion as a bending position,
The pair of caulking holding portions are L-shaped coaxial connectors each having a gripping mechanism for gripping each other.   The gripping mechanism includes a rectangular opening formed at one end of the pair of caulking holding portions and a rectangular opening formed at the other end of the pair of caulking holding portions and fitted into the opening. The L-shaped coaxial connector according to claim 1, further comprising a protrusion having a shape.   The gripping mechanism is hooked to the convex portion with a narrow neck formed at one end of the pair of caulking holding portions and the convex portion formed at the other tip of the pair of caulking holding portions. The L-shaped coaxial connector according to claim 1, comprising a concave portion.   The gripping mechanism includes a through hole formed in one end of the pair of caulking holding portions and penetrating in the attaching / detaching direction, and the other end of the pair of caulking holding portions stacked on the tip of the one caulking holding portion. The L-shaped coaxial connector according to claim 1, further comprising a claw portion that is formed on the inner wall of the through hole and is hooked on the inner wall. The cylindrical contact portion has a guide piece formed toward the drawing direction of the coaxial cable, and an opening stopper piece protruding in the attaching / detaching direction within a region of the outer peripheral diameter of the cylindrical contact portion,
The main body insulating portion has an opening stopper holding portion for holding the opening stopper piece,
The holding insulating part has a guide piece arrangement surface on which the guide piece is arranged,
5. The pair of caulking holding portions holds the guide piece so as to surround the holding insulating portion in a state where the guide piece is disposed on a side surface of the holding insulating portion. An L-shaped coaxial connector according to claim 1.   The L-shaped coaxial connector according to claim 5, wherein the metal shell has an engaging portion that is engaged with the guide piece between the lid portion and the pair of caulking holding portions. The center conductor connection portion has a grip portion for gripping the center conductor of the coaxial cable,
The holding insulating part has a pair of bent pieces that are pressed and bent by the pair of caulking holding parts,
The pair of bent pieces press the gripping part when the pair of caulking holding parts are crimped to each other, and cause the center conductor of the coaxial cable to be gripped by the gripping part. The L-shaped coaxial connector according to any one of the above.

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