JP2015225834A - connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enlarge the shape of a rib provided in a hood part without enlarging a size of a tool engagement part in a connector equipped with the tool engagement part and the cylindrical hood part.SOLUTION: Disclosed is a connector 1 including: a prismatic tool engagement part 7; a hood part 9 which, when viewed from the extension direction of a center axis C1 of the tool engagement part 7, is arranged in the inside of the tool engagement part 7 and formed in a cylindrical shape of polygonal pillar in which the angle number of the outer periphery 13 is less than that of the tool engagement part 7; and ribs 11 which, when viewed from the extension direction of the center axis C1 of the tool engagement part 7, is provided in a side part 25 of a hood part 9 in the inside of the tool engagement part 7.

Description

  The present invention relates to a connector, and more particularly to a connector provided with a polygonal columnar tool engaging portion and a cylindrical hood portion.

  Conventionally, a male connector 305 having a hexagonal columnar tool engaging portion (fastening portion) 301 having a short height and a cylindrical hood portion 303 as shown in FIG. 12 is known.

  The male connector 305 is provided with a male screw portion. Although not shown, the male screw portion protrudes from the right end of the one shown in FIG. 12, for example. Then, the male screw part is screwed into a female screw part provided on a cylinder head of an engine (not shown) by being rotated by a tool engaged with the tool engaging part 301, and the male connector 305 is installed on the thin head. It has come to be.

  For example, Patent Literature 1 and Patent Literature 2 can be listed as patent literatures relating to conventional connectors.

US Patent Application Publication No. 2010 / 003841A1 Japanese Patent Application No. 2012-280784

  By the way, in the male connector 305, when trying to enlarge the shape of the gap matching rib 307 provided on the outer periphery of the hood portion 303, as shown in FIG. 13, the size of the tool engaging portion 301 (two-surface width B11). There is a problem that the size of the external shape of the male connector 305 increases.

  As described above, the male connector 305 is installed on the cylinder head because the tool engaging portion 301 needs to be engaged with the tool, and the installation space of the male connector 305 is limited. It is difficult to increase

  The present invention has been made in view of the above problems, and in a connector having a tool engaging portion and a cylindrical hood portion, ribs provided on the hood portion without increasing the size of the tool engaging portion. It aims at providing the connector which can enlarge a shape.

  The invention according to claim 1 is located inside the tool engaging portion when viewed from the extending direction of the center axis of the tool engaging portion having a polygonal column shape and the tool engaging portion. A hood formed in a cylindrical shape with a polygonal column fewer than the number of corners of the tool engaging portion, and the inside of the tool engaging portion when viewed from the extending direction of the central axis of the tool engaging portion And a rib provided on a side portion of the hood portion.

  According to a second aspect of the present invention, in the connector according to the first aspect, the tool engaging portion is formed in a hexagonal column shape, the hood portion is formed in a triangular column shape, and the tool engagement is performed. When viewed from the extending direction of the central axis of the part, each of the deflection angles of the first group of three corners arranged every other of the six corners of the tool engaging portion, and the hood This is a connector in which each of the deflection angles at the three corners on the outer periphery of the part coincides.

  According to a third aspect of the present invention, in the connector according to the first or second aspect, the hood portion is disposed inside the tool engaging portion when viewed from the extending direction of the central axis of the tool engaging portion. It is a connector which is provided in the outer periphery and has a protrusion part which constitutes a locking part to which the locked part of the mating connector is locked when the mating connector is joined.

  The invention according to claim 4 is located on the inner side of the tool engaging portion when viewed from the extending direction of the center axis of the tool engaging portion and the polygonal column-shaped tool engaging portion, and the number of outer peripheral corners. And a hood portion formed in a cylindrical shape with a polygonal column smaller than the number of corners of the tool engaging portion, and the tool engaging portion when viewed from the extending direction of the central axis of the tool engaging portion A rib provided on a side portion of the hood portion on the inner side of the hood portion, and a counterpart side provided on the outer periphery of the hood portion on the inner side of the tool engagement portion when viewed from the extending direction of the central axis of the tool engagement portion The connector includes at least one of protrusions constituting a locking portion to which a locked portion of the mating connector is locked when the connector is joined.

  According to the present invention, there is an effect that it is possible to provide a connector capable of increasing the shape of a rib provided in the hood portion without increasing the size of the tool engaging portion.

It is a front view of the male connector concerning the embodiment of the present invention. It is II arrow directional view in FIG. It is a front view of the male connector which concerns on a modification. It is IV-IV sectional drawing in FIG. It is an enlarged view of the V section in FIG. It is sectional drawing which shows the state which installed the female connector in the male connector which concerns on a modification. It is a perspective view of the housing of a female connector. It is a VIII arrow line view in FIG. It is IX-IX sectional drawing in FIG. FIG. 8 is a view taken in the direction of arrow X in FIG. 7. It is a figure which shows the use condition of the male connector which concerns on embodiment of this invention. It is a figure which shows the conventional connector. It is a figure which shows the connector which concerns on a reference example. It is a figure which shows the connector which concerns on a reference example.

  A connector (for example, male connector) 1 according to an embodiment of the present invention has a combustion pressure sensor element (not shown) as an integral unit, for example, as shown in FIG. 5 is used by being fastened by, for example, screwing, and includes a tool engaging portion (fastening portion) 7, a hood portion 9, and a rib 11 as shown in FIGS. 1 and 2. Has been. In addition, the tool engaging part 7 is comprised with the metal, the hood part 9 and the rib 11 are comprised with the synthetic resin provided with insulation, and the hood part 9 and the rib 11 are integrally molded. .

  The tool engaging portion 7 is used when the male connector 1 is fastened to the connector installation body 5 and is formed in a polygonal column shape (regular polygonal column shape) with which a tool (not shown) is engaged. .

  The hood portion 9 is provided integrally with the tool engaging portion 7 on one side in the extending direction of the central axis C1 of the tool engaging portion 7. When viewed from the extending direction of the central axis C1 of the tool engaging portion 7, as shown in FIG. 1, the hood portion 9 is located inside the tool engaging portion 7, and the number of corners of the outer periphery 13 is the tool. It is formed in a cylindrical shape having a smaller number of polygonal columns (regular polygonal columns) than the number of corners of the outer periphery 15 of the engaging portion 7.

  The central axis of the hood portion 9 coincides with the central axis C1 of the tool engaging portion 7. In addition, the number of corners on the inner periphery of the hood portion 9 is also equal to the number of each outer periphery, and the declination of each corner portion 19 (19A, 19B, 19C) on the outer periphery 13 of the hood portion 9 and the hood portion 9 The declination angles of the corners 21 (21A, 21B, 21C) of the inner circumference 17 coincide with each other.

That is, the central axis C1 when the extending direction between the central axis C1 of the hood portion 9 and the central axis C1 of the tool engaging portion 7 is viewed is the origin of polar coordinates, and each corner portion 19 (19A of the outer periphery 13 of the hood portion 9 is 19A. , 19B, 19C) of the predetermined one corner 19A is 0 °, each of the moving radius r _fo of each corner 19 (19A, 19B, 19C) of the outer periphery 13 of the hood 9 is The angle θ _fo of each corner portion 19 (19A, 19B, 19C) of the outer periphery 13 of the hood portion 9 is θ _fo = (360 ° / n _fo ) × m _fo . ing. However, n _fo is a natural number larger than 3, and m _fo is 0, 1,... (N _fo −1). In addition, the moving radius r _fi (where r _fi <r _fo ) of each corner 21 (21A, 21B, 21C) of the inner periphery 17 of the hood 9 is equal to each other. Each of the deflection angles θ _fi of the corners 21 (21A, 21B, 21C) of the inner periphery 17 is equal to each of the deflection angles θ _fo . Thereby, the thickness of the food | hood part 9 is substantially constant.

In addition, the radiuses r _to (where r _fo <r _to ) of the corners 23 (23A, 23B, 23C, 23D, 23E, and 23F) of the outer periphery 15 of the tool engaging portion 7 are equal to each other. The angle θ _to of each corner 23 (23A, 23B, 23C, 23D, 23E, 23F) on the outer periphery 15 of the tool engaging portion 7 is θ _to = (360 ° / n _to ) × m. _to . However, n _to is a natural number larger than n _fo , and m _to is 0, 1,... (N _to −1).

Further, as will be described in detail later, the deflection angle θ _fo of at least one of the corner portions 19 (19A, 19B, 19C) of the outer periphery 13 of the hood portion 9 and the outer periphery 15 of the tool engaging portion 7 each corner 23 (23A, 23B, 23C, 23D, 23E, 23F) it is desirable to match each other and at least one deflection angle _theta-to corner of.

  Further, when viewed from the extending direction of the central axis C1 of the tool engaging portion 7, the tool engaging portion 7 is formed in a regular hexagonal shape, but the outer periphery 13 of the hood portion 9 is formed in a substantially equilateral triangular shape, for example. It is not formed into a perfect equilateral triangle.

  That is, each side portion 25 of the hood portion 9 is formed in an outwardly convex arc shape (an arc shape having a large radius that can be regarded as a substantially straight line). Each side 25 may be linear. Each corner portion 19 of the hood portion 9 is not sharp but is rounded in an arc shape.

  Further, the rib 11 is the side portion 25 (25A, 25B, 25C) of the outer periphery 13 of the hood portion 9 when viewed from the extending direction of the central axis C1 of the tool engaging portion 7 and the tool engaging portion 7. Are provided on the side portions facing (opposing) predetermined corner portions 23B, 23C, and 23F. More specifically, the rib 11 is provided inside the tool engaging portion 7 when viewed from the extending direction of the central axis C1 of the tool engaging portion 7, and the side portions 25 are adjacent to each other. It extends between the parts 19. Specifically, the rib 11A is provided on the side portion 25A having the smallest distance from the corner portion 23B, and the rib 11B is provided on the side portion 25B having the smallest distance from the corner portion 23D. 11C is provided on the side portion 25C having the smallest distance from the corner portion 23F.

  When viewed from the extending direction of the central axis C1 of the tool engaging portion 7, the rib 11 protrudes outward from the outer periphery of the hood portion 9 (on the side away from the central axis C1 of the hood portion 9) as shown in FIG. ing. Further, the rib 11 is provided from the side 25 of the outer periphery 13 of the hood 9 to the corner 23 of the tool engaging portion 7 (the corner of the outer periphery 15 facing the side 25) 23. It has been.

  For example, the first rib 11A is provided from the side portion 25A to the corner portion 23B, and the second rib 11B is provided from the side portion 25B to the corner portion 23D. The eye ribs 11C are provided from the side 25C to the corner 23F.

  However, it does not necessarily need to be provided in this way. For example, when viewed from the extending direction of the central axis C <b> 1 of the tool engaging portion 7, at least a part of the ribs 11 among the ribs 11 is the side portion 25 of the outer periphery 13 of the hood portion 9 as shown in FIG. 3. May be provided over a place away from the corner 23 of the tool engaging portion 7.

  For example, the first rib 11A is provided over a part away from the side part 25A from the corner part 23B, and the second rib 11B is provided over a part away from the side part 25B from the corner part 23D. A third rib 11C may be provided from the side 25C to the corner 23F.

  1 and 3, the ribs 11 are provided on all the side portions 25 of the outer periphery 13 of the hood portion 9, but it is not always necessary to be configured in this manner. The rib 11 may be provided on at least one of the side portions 25 of the outer periphery 13 of 9.

  The male connector 1 will be further described. As described above, the tool engaging portion 7 of the male connector 1 is formed in a hexagonal column shape, and the hood portion 9 is formed in a triangular column shape.

  Further, when viewed from the extending direction of the central axis C1 of the tool engaging portion 7, the tool engaging portion 7 is formed in a regular hexagonal shape as shown in FIGS. Is generally formed in a regular triangle shape, and as described above, it is not formed in a complete regular triangle shape.

  When viewed from the extending direction of the central axis C1 of the tool engaging portion 7, three corners of the first group are arranged every other one of the six corner portions 23 (23A to 23F) of the tool engaging portion 7. The respective deflection angles 0 °, 120 °, 240 ° of the portions 23A, 23C, 23E and the respective deflection angles of the three corner portions 19A, 19B, 19C of the outer periphery 13 of the hood portion 9 coincide with each other. (Each declination angle is 0 °, 120 °, and 240 °).

  The rib 11 is provided at an intermediate portion (for example, the central portion) of each of the side portions 25 (for example, the three side portions 25A, 25B, 25C) of the outer periphery 13 of the hood portion 9. The rib 11 (11A, 11B, 11C) is provided over the three corner portions 23B, 23D, 23F of the second group other than the first group of the tool engaging portion 7.

That is, the deflection angles θ _to of the respective corners 23 of the outer periphery 15 of the tool engaging portion 7 are θ _to = 0 °, 60 °, 120 °, 180 °, 240 °, 300 °, and the hood The declination angles θ _fo of the corner portions 19 of the outer periphery 13 of the portion 9 are 0 °, 120 °, and 240 °, respectively. Each argument _theta-to ribs 11, 60 °, has become 180 °, 300 °.

  As described above, the ribs 11A and 11B may be separated from the corners 23B and 23D (see FIG. 3).

  Further, when viewed from the extending direction of the central axis C1 of the tool engaging portion 7, as shown in FIG. 1 and the like, the deflection angles of the three corner portions 23A, 23C, 23E of the first group of the tool engaging portion 7 are shown. Each of the three corners 19A, 19B, 19C of the outer periphery 13 of the hood portion 9 coincides with each other, but the corner portion 23A is outside the corner portion 19A (from the center axis C1). The corner 23C is located outside the corner 19B (the side away from the central axis C1), and the corner 23E is located outside the corner 19C (from the central axis C1). Located on the far side).

  Further, when viewed from the extending direction of the central axis C1 of the tool engaging portion 7, as shown in FIG. 1 and the like, the arc of each corner portion 19 rounded in the arc shape of the outer periphery 13 of the hood portion 9 is the tool engagement. It is in contact with the pair of side portions 39 of the joint portion 7 or very slightly apart. That is, the arc of the corner 19A is close to the side 39F and the side 39A, the arc of the corner 19B is close to the side 39B and the side 39C, and the arc of the corner 19C is the side. It is close to 39D and side 39E.

  Although not shown, the tool engaging portion is formed in an octagonal column shape, the hood portion is formed in a square columnar cylindrical shape, and when viewed from the extending direction of the central axis of the tool engaging portion, Each of the deflection angles of the four corner portions of the first group and every other deflection angle of the four corner portions of the outer periphery of the hood portion, which are arranged every other one of the eight corner portions of the tool engaging portion. Are aligned with each other, and the ribs are arranged at the four corners of the second group other than the first group of the tool engaging portion from the middle portion of the outer peripheral side portion (for example, each of the four side portions) of the hood portion. It may be provided over the part.

  Furthermore, the tool engaging part is formed in an even-numbered columnar shape such as a 10-sided columnar shape, and the hood part is formed in a cylindrical shape with a columnar shape at a half corner of the tool engaging part. Deviations between the corners of the first group arranged at every other corner of the corner and the corners of the outer periphery of the hood coincide with each other, and the rib is the hood. It may be provided from the intermediate part of each side part of the outer periphery to the corners of the second group other than the first group of the tool engaging parts.

  By the way, as shown in FIG. 6 etc., the other connector (for example, female connector) 27 is joined to the male connector 1.

  The hood portion 9 of the male connector 1 is provided with a protruding portion 29 as shown in FIG. The protruding portion 29 is provided on the outer periphery 13 of the hood portion 9 inside the tool engaging portion 7 when viewed from the extending direction of the central axis C1 of the tool engaging portion 7. It protrudes to the side away from C1. Moreover, the protrusion part 29 comprises the latching | locking part 33 with which the to-be-latched part 31 of the female connector 27 is latched, when the female connector 27 is joined, as shown in FIG.

  Then, when the female connector 27 is joined to the male connector 1, the locked portion 31 of the female connector 27 gets over the protruding portion 29, so that the locked portion 31 is locked to the locking portion 33 and the male connector 1. The female connector 27 is configured to be joined.

  More specifically, as shown in FIG. 4 and the like, the hood portion 9 includes a cylindrical seal installation portion 35 and a cylindrical terminal installation portion 37 in which a male terminal 43 is provided. The seal installation part 35 is located on one side of the terminal installation part 37 in the extending direction of the central axis, and the tool engaging part 7 is located on the other side of the terminal installation part 37 in the extending direction of the central axis. . The central axis of the terminal installation part 37, the central axis of the seal installation part 35, and the central axis C1 of the tool engaging part 7 are coincident with each other.

  The outer diameter (outer shape) of the cylindrical seal installation portion 35 and the outer diameter (outer shape) of the cylindrical terminal installation portion 37 are substantially equal to each other. The inner diameter (outer shape) of the cylindrical seal installation portion 35 is larger than the inner diameter (inner shape) of the cylindrical terminal installation portion 37.

  For example, when the protrusion 29 is viewed from the extending direction of the central axis C1 of the tool engagement portion 7, as shown in FIG. 3, the protrusion 19 is formed from the corner 19B of the hood portion 9 to the corner 23C of the tool engagement portion 7. It is provided over the place.

  Further, the locking portion 33 is configured to include a recess 41. The recess 41 is for increasing the catch height H (see FIGS. 5 and 6) of the locked portion 31 of the female connector 27, and is provided on the outer periphery of the terminal installation portion 37 adjacent to the protruding portion 29. And is recessed toward the side closer to the central axis C1 of the tool engaging portion 7. When viewed from the extending direction of the central axis C1 of the tool engaging portion 7, the deflection angle of the protruding portion 29 and the deflection angle of the concave portion 41 are equal to each other, and the central axis C1 of the tool engaging portion 7 is extended. In the direction, the recess 41 is located closer to the tool engagement portion 7 than the protrusion 29.

  In FIG. 6, not only the recessed portion 41 but also the protruding portion 29 is provided on the outer periphery of the terminal installation portion 37 in the extending direction with respect to the central axis C <b> 1 of the tool engaging portion 7. You may provide in the installation part 35, and you may provide over the seal | sticker installation part 35 and the terminal installation part 37. FIG.

  The outer diameter (outer shape) of the cylindrical seal installation part 35 and the outer diameter (outer shape) of the cylindrical terminal installation part 37 are substantially equal to each other, and the inner diameter of the cylindrical terminal installation part 37 is cylindrical. By being smaller than the inner diameter of the seal installation portion 35, the thickness of the cylinder of the cylindrical terminal installation portion 37 is thicker than the thickness of the seal installation portion 35, and the thickness at the location where the recess 41 is provided. Even if it is the thickness W1, it is thicker than the thickness of the seal installation part 35.

  The female connector 27 includes a female terminal main body (mating terminal main body; inner housing) 45, a female terminal 47, a packing (seal) 49, and a cylindrical housing (outer housing) 51, as shown in FIG. ing. The housing 51 is provided with a cantilevered elastic arm 53. The female connector 27 is joined to the male connector 1 from the opposite side of the tool engaging portion 7 in the extending direction of the central axis C1 of the tool engaging portion 7. When the female connector 27 is joined to the male connector 1, the male connector 1 (a part of the seal installation portion 35 and the terminal installation portion 37) enters the inside of the housing 51 of the female connector 27. At this time, the extending direction of the central axis C1 of the male connector 1 (the central axis of the terminal installation portion 37) and the extending direction of the central axis of the housing 51 of the female connector 27 coincide with each other.

  The elastic arm 53 extends in the extending direction of the central axis C <b> 1 of the male connector 1 so as to constitute a part of the meat portion of the cylindrical housing 51. A part of the locked portion 31 provided at the distal end portion of the elastic arm 53 protrudes inside the cylindrical housing 51 (on the central axis C1 side).

  Here, the extending direction of the central axis C <b> 1 of the male connector 1 and the extending direction of the central axis of the housing 51 coincide with each other, and the base end of the elastic arm 53 is positioned on the side opposite to the tool engaging portion 7. The female connector 27 is located on the opposite side of the tool engagement portion 7 with the hood portion 9 in between so that the tip of the elastic arm 53 is located on the tool engagement portion 7 side, and is separated from the male connector 1. The state is set to the assembly preparation state.

  When the female connector 27 is moved to the tool engaging portion 7 side in this assembly preparation state, first, the locked portion 31 comes into contact with the protruding portion 29 at the tip of the elastic arm 53, and the locked portion 31 is protruded. The elastic arm 53 is elastically deformed outward and bent.

  When the female connector 27 is further moved to the tool engaging portion 7 side, the locked portion 31 gets over the protruding portion 29 and reaches the concave portion 41, and the elastic arm 53 is restored to the male connector 1 of the female connector 27. The joining is completed.

  In a state where the female connector 27 is joined to the male connector 1, as shown in FIG. 6 and the like, the female terminal main body 45 enters the hood portion 9, and the male terminal 43 of the male connector 1 and the female terminal 47 of the female connector 27. Are connected to each other, and an annular packing 49 is inserted between the female terminal main body portion 45 and the seal installation portion 35 so that the male terminal 43 and the female terminal 47 are sealed.

  Further, in a state where the female connector 27 is joined to the male connector 1, the locked portion 31 enters the concave portion 41, and is a projecting portion side end surface of the concave portion 41 (a boundary surface between the projecting portion 29 and the concave portion 41, and a tool engagement). The base end side end surface of the locked portion 31 (the portion of the locked portion 31 protruding inside the elastic arm 53 and the cylindrical housing 51) on a surface orthogonal to the central axis C <b> 1 of the joint portion 7. , A surface orthogonal to the central axis C1 of the tool engaging portion 7). The height dimension (dimension in a predetermined direction orthogonal to the central axis of the tool engaging portion) H of the surfaces in contact with each other is the height of the protrusion 29 and the depth of the recess 41. It is the sum (the depth from the top of the protrusion 29 to the bottom of the recess 41).

  Further, as shown in FIG. 8 and the like, a groove (elongated recess) 59 extending in the centrifugal direction of the central axis of the housing 51 is formed on the inner periphery of the housing 51, and the female connector 27 is joined to the male connector 1. In this case, the rib 11 is inserted into the groove 59, and the female connector 27 is guided so that the gap is matched.

  Next, installation work of the connectors 1 and 27 will be described.

  First, the male connector 1 is installed on the cylinder head of the engine 3. This installation is performed by engaging a tool (not shown) with the tool engaging portion 7 of the male connector 1, rotating the male connector 1 and screwing it into the cylinder head.

  Next, the assembly preparation state described above is set, and in this assembly preparation state, the female connector 27 is moved to the tool engaging portion 7 side until the locked portion 31 moves over the protruding portion 29 and reaches the recess 41. Then, the joining of the female connector 27 to the male connector 1 is completed, the male terminal 43 and the female terminal 47 are connected, and sealing is performed by the packing 49.

  According to the male connector 1, when viewed from the extending direction of the central axis C1 of the tool engaging portion 7, the hood portion 9 is located inside the tool engaging portion 7, and the number of corners of the hood portion 9 is the tool engagement. The number of corners of the hood portion 9 is smaller than that of the portion 7, and the rib 11 is provided on the side portion 25 of the outer periphery of the hood portion 9 inside the tool engaging portion 7. The rib 11 provided in the hood portion 9 can be enlarged without increasing the size of the tool engaging portion 7 by effectively utilizing the space between the tool engaging portion 7 and the corner portion 23 of the tool engaging portion 7.

  In addition, since it is not necessary to increase the size of the tool engaging portion 7, the tool (fastening jig) that has been conventionally used can be directly engaged (externally fitted) with the male connector 1.

  According to the male connector 1, the tool engaging portion 7 is formed in a hexagonal column shape, the hood portion 9 is formed in a triangular columnar cylindrical shape, and the extending direction of the central axis C <b> 1 of the tool engaging portion 7. From the six corners 23 of the tool engaging portion 7, each of the first group of three corners 23 </ b> A, 23 </ b> C, 23 </ b> E and the outer periphery 13 of the hood portion 9. Since the declination angles with the three corner portions 19A, 19B, and 19C coincide with each other, each corner portion 23B of the second group of the tool engaging portion 7 from each central portion of each side portion 25 of the hood portion 9 is obtained. , 23D, and 23F, and the rib 11 is provided in a well-balanced manner with the highest protrusion height of the rib 11 (the protrusion height in the direction away from the center axis C1 of the tool engaging portion 7). be able to.

  Further, according to the male connector 1, the female connector 27 is joined to the outer periphery 13 of the hood portion 9 inside the tool engaging portion 7 when viewed from the extending direction of the central axis C1 of the tool engaging portion 7. Since it has the protrusion part 29 which comprises the latching | locking part 33 with which the to-be-latched part 31 of the female connector 27 is latched sometimes, the latching allowance with the female connector 27 is ensured, and a fitting state is maintained reliably. be able to.

  That is, as shown in FIG. 6, with the female connector 27 joined to the male connector 1, the locked portion 31 enters the concave portion 41, and the protruding portion side end surface 55 of the concave portion 41 has the locked portion 31. The proximal end surface 57 is in contact. Since the dimension H in the height direction of the surfaces that are in contact with each other is the sum of the protruding height of the protruding portion 29 and the depth of the recessed portion 41, the protruding portion can be formed without increasing the depth of the recessed portion 41. The locking allowance can be increased by 29 protrusion heights. Thereby, it is not necessary to reduce the wall thickness W1 of the tube of the terminal installation portion 37 of the hood portion 9, and it is possible to suppress the strength of the hood portion 9 from being lowered.

  On the other hand, in the thing shown in FIG. 14 which concerns on a reference example, since the latching | locking part 33 is comprised only by the recessed part 41, without providing the protrusion part 29 in the hood part 9, the thickness of 9 hood part cylinders W11 is thinner.

  The male connector 1 described above is provided on one side of the tool engaging portion and a polygonal columnar tool engaging portion with which the tool is engaged, and when viewed from the extending direction of the central axis of the tool engaging portion. A hood portion that is positioned inside the tool engaging portion and formed in a cylindrical shape with a polygonal column shape having a smaller number of outer peripheral angles than that of the tool engaging portion, and the tool engaging portion When viewed from the extending direction of the central axis of the tool, the inner side of the tool engaging portion is a side portion of the outer periphery of the hood portion and faces a predetermined corner portion of each corner portion of the tool engaging portion. When the mating connector is joined on the outer periphery of the hood portion inside the tool engaging portion when viewed from the extending direction of the center axis of the tool engaging portion, the rib provided on the side portion At least one of the protrusions constituting the locking portion to which the locked portion of the mating connector is locked It is an example of Bei connector.

1 Connector (male connector)
7 Tool engagement portion 9 Hood portion 11 Rib 13 Outer periphery of hood portion 19A, 19B, 19C Corner portion of hood portion 23A, 23C, 23E Three corner portions of first group of tool engagement portion 25 Side of outer periphery of hood portion Part 27 Mating connector (female connector)
29 Protruding part 31 Locked part 33 Locking part C1 Center axis

Claims (4)

A polygonal columnar tool engaging portion;
When viewed from the extending direction of the central axis of the tool engaging portion, it is located inside the tool engaging portion, and has a cylindrical shape with a polygonal column whose outer periphery has fewer corners than the tool engaging portion. Formed hood,
A rib provided on a side of the hood portion inside the tool engaging portion when viewed from the extending direction of the central axis of the tool engaging portion;
A connector comprising: The connector according to claim 1,
The tool engaging portion is formed in a hexagonal column shape,
The hood is formed in a triangular prism shape,
When viewed from the extending direction of the central axis of the tool engaging portion, each of the deflection angles of the first group of three corner portions arranged every other one of the six corner portions of the tool engaging portion. And the respective deviation angles of the three corners on the outer periphery of the hood portion are coincident with each other. The connector according to claim 1 or 2,
When viewed from the extending direction of the central axis of the tool engaging portion, provided on the outer periphery of the hood portion inside the tool engaging portion, and when the mating connector is joined, the mating connector is locked A connector having a protruding portion constituting a locking portion to which the portion is locked. A polygonal columnar tool engaging portion;
When viewed from the direction of extension of the central axis of the tool engaging portion, it is located inside the tool engaging portion, and has a cylindrical shape with a polygonal column having a smaller number of corners on the outer periphery than that of the tool engaging portion. Formed hood,
A rib provided on a side portion of the hood portion inside the tool engaging portion when viewed from the extending direction of the central axis of the tool engaging portion, and a central axis of the tool engaging portion A locking portion provided on the outer periphery of the hood portion inside the tool engaging portion when viewed from the extending direction and to which the locked portion of the mating connector is locked when the mating connector is joined. A connector comprising at least one of projecting portions.

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