JP2011258324A - Connector fitting jig, method of fitting connector, and connector fitting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connector fitting jig capable of fitting connectors together in place of a lever which is mounted in a connector housing conventionally.SOLUTION: A connector fitting jig 1 for fitting a first connector 7 having a female-type connector housing 70 to a second connector 8 having a male-type connector housing 80 includes: a pair of handles 2, 3 provided with grip parts 20, 30 at each side of terminals 2a, 3a respectively and mounted in a freely rotatable manner by a spindle 11; a hook part 61 extending from another terminal 2b of the handle 2 and hooked on the female-type connector housing 70; and a press part 50 which is linked to another terminal 3b of the other handle 3 for pressing the male-type connector housing 80 to a side of the female-type connector housing 70 by bringing the pair of grip parts 20, 30 close to each other while hooking the hook part 61 on the female-type connector housing 70.

Description

  The present invention relates to a connector fitting jig for fitting connectors together, a connector fitting method using the connector fitting jig, and a connector fitting structure using the connector fitting method.

  FIG. 16 is a perspective view showing a conventional connector fitting structure. The connector fitting structure 300 shown in the figure is a fitting structure of a first connector 307 provided in the electrical connection box 309 and a second connector 308 fitted into the first connector 307.

  The electrical junction box 309 is mounted on the automobile and distributes power from the power source to various electronic devices and transmits signals between the electronic devices.

  The first connector 307 is a connector having a plurality of terminals electrically connected to the substrate of the electrical connection box 309 and a female connector housing 370 that accommodates the plurality of terminals.

  The second connector 308 is rotatably attached to a plurality of terminals electrically connected to the respective wires 310 of the wire harness, a male connector housing 380 that accommodates the plurality of terminals, and the male connector housing 380. And a lever 301.

  In such a connector fitting structure 300, when fitting the first connector 307 and the second connector 308, a part of the male connector housing 380 is inserted into the female connector housing 370, and the lever One end of 301 is hooked on female connector housing 370, and the other end of lever 301 is rotated toward female connector housing 370, thereby fitting first connector 307 and second connector 308 together. . The lever 301 is housed in the female connector housing 370 by being rotated.

  In this way, when fitting multiple connectors together, use a lever to reduce the insertion force when the connectors are fitted together and to prevent half-fitting between the connectors. There was a case of fitting (see, for example, Patent Document 1).

JP 2010-073457 A

  However, when the lever 301 is attached to the male connector housing 380 as in the connector fitting structure 300 described above, there are the following problems. That is, the second connector 308 is enlarged by the amount of the lever 301, and the second connector 308, that is, the female connector housing 370 that accommodates the male connector housing 380 and the lever 301 is also enlarged. There was a problem. In addition, there is a problem that costs such as material costs and mold costs for manufacturing the lever 301 are required. Further, since it is necessary to assemble the lever 301 to the male connector housing 380, there is a problem that the lead time in manufacturing the second connector 308 becomes long. Further, when the automobile is scrapped, the lever 301 has to be removed from the male connector housing 380 for resource recycling, and there is a problem that it takes time to disassemble.

  Therefore, the present invention provides a connector fitting jig capable of fitting connectors together instead of a lever conventionally attached to a connector housing, a connector fitting method using the connector fitting jig, and the connector An object of the present invention is to provide a connector fitting structure using this fitting method.

  In order to achieve the above object, the invention described in claim 1 is a connector fitting jig for fitting a first connector having a female connector housing and a second connector having a male connector housing. Each of which is provided with a grip portion on one end side, and a pair of handles rotatably attached to each other by a support shaft, and extending from the other end portion of one of the handles, to the female connector housing The male part is connected with the hook part to be hooked and the other end part of the other handle, and the pair of gripping parts are brought close to each other with the hook part hooked to the female connector housing. And a pressing portion that presses the connector housing toward the female connector housing side. It is.

  According to a second aspect of the present invention, in the first aspect of the invention, the one handle is formed in a linearly extending rod shape, and the longitudinal direction of the one handle and the pressing portion are the male part. The direction of pressing the connector housing of the mold is parallel to the direction.

  The invention described in claim 3 is the invention described in claim 1 or 2, wherein the pressing portion that presses the protruding portion protruding from the side wall of the male connector housing is the male connector. A pair of biting prevention walls provided in a pair along the width direction of the housing and positioned between the plurality of electric wires connected to the second connector are arranged in the width direction of the male connector housing. And an interval between the pair of pressing portions is formed larger than an interval between the pair of biting prevention walls.

  In order to achieve the above object, a fourth aspect of the present invention provides a first connector having a female connector housing and a second connector having a male connector housing. A connector fitting method for fitting using the connector fitting jig according to claim 1, wherein a part of the male connector housing is inserted into the female connector housing, and the hooking portion is inserted. Is hooked on the hooked portion of the female connector housing, the pair of gripping portions are brought close to each other, and the male connector housing is pressed toward the female connector housing by the pressing portion. A connector fitting method characterized by fitting a first connector and the second connector.

  In order to achieve the above object, the invention described in claim 5 is a connector fitting structure characterized in that the first connector and the second connector are fitted by the fitting method according to claim 4. It is.

  According to the first aspect of the present invention, a grip portion is provided on one end side, and a pair of handles that are rotatably attached to each other by a support shaft, and extending from the other end portion of one of the handles. The pair of grips are connected to each other in a state where the hook is hooked to the female connector housing and is connected to the other end of the other handle, and the hook is hooked to the female connector housing. And a pressing portion that presses the male connector housing toward the female connector housing by being brought close to the first connector and the second connector. The first connector and the second connector can be fitted in place of the lever that is conventionally attached to the connector housing. It is possible to provide a connector fitting jig capable. Further, since the connector fitting jig can be used any number of times, it is possible to reduce the environmental load.

  According to the invention described in claim 2, the one handle is formed in a linearly extending rod shape, and the longitudinal direction of the one handle and the direction in which the pressing portion presses the male connector housing. Are parallel to each other, so that even when other parts are arranged around the female connector housing, the pair of male connectors is positioned at a position where the male connector housing is positioned between the female connector housing and the female connector housing. Therefore, a connector fitting jig that can be used even in a limited work space can be provided.

  According to the invention described in claim 3, the pressing portions that press the protruding portion protruding from the side wall of the male connector housing are paired with each other along the width direction of the male connector housing. A pair of biting prevention walls provided between and positioned between the plurality of electric wires connected to the second connector are provided opposite to each other along the width direction of the male connector housing; and Since the gap between the pair of pressing portions is formed larger than the gap between the pair of biting prevention walls, the electric wire can be prevented from being bitten when the pressing portion presses the protruding portion. .

  According to the invention described in claim 4, a part of the male connector housing is inserted into the female connector housing, and the hook portion is hooked on the hooked portion of the female connector housing. The first connector and the second connector are fitted together by bringing the pair of gripping portions close to each other and pressing the male connector housing toward the female connector housing with the pressing portion. The first connector and the second connector can be reliably fitted with a smaller force with the lever principle of the connector fitting jig. Further, by using the connector fitting jig, a constant work quality can be maintained regardless of the skill level of the worker.

  According to the invention described in claim 5, since the first connector and the second connector are fitted by the fitting method according to claim 4, it is possible to eliminate the lever that has been conventionally attached to the connector housing. Therefore, it is possible to reduce the size of the first connector and the second connector, reduce material costs and manufacturing costs, and improve resource recyclability by shortening the time for disassembling the second connector.

It is a perspective view which shows the connector fitting jig concerning one embodiment of this invention, and is a figure which shows the state in which a pair of holding part was located in the position which mutually separated. FIG. 2 is a top view of the connector fitting jig shown in FIG. 1. FIG. 2 is a side view of the connector fitting jig shown in FIG. 1. FIG. 2 is a front view of the connector fitting jig shown in FIG. 1. FIG. 2 is a perspective view showing a state in which a pair of gripping portions of the connector fitting jig shown in FIG. 1 are brought close to each other. FIG. 6 is a top view of the connector fitting jig shown in FIG. 5. FIG. 6 is a side view of the connector fitting jig shown in FIG. 5. FIG. 6 is a front view of the connector fitting jig shown in FIG. 5. It is a perspective view which shows the 1st connector and 2nd connector which are mutually fitted by the connector fitting jig | tool shown by FIG. FIG. 10 is a perspective view showing a first connector and a second connector shown in FIG. 9. It is a perspective view which shows the state by which the hook part of the connector fitting jig | tool shown by FIG. 1 was hooked by the to-be-hooked part of the 1st connector shown by FIG. It is sectional drawing along the AA line in FIG. The pressing portion of the connector fitting jig shown in FIG. 11 presses the second connector shown in FIG. 11 toward the first connector, and the first connector and the second connector are fitted together. It is a perspective view shown. It is sectional drawing along the BB line in FIG. It is the perspective view which looked at the jig | tool for connector fitting shown by FIG. 13 from the other direction. It is a perspective view which shows the fitting structure of the conventional connector, and is a figure which shows the 1st connector provided in the electrical junction box, and the 2nd connector with a lever fitted by this 1st connector.

  "Connector fitting jig 1" according to an embodiment of the present invention, "connector fitting method" using the connector fitting jig 1, and "connector fitting" using the connector fitting method The “structure 100” will be described with reference to FIGS.

  The “connector fitting jig 1” is a jig for fitting the first connector 7 provided in the electrical connection box 9 and the second connector 8 provided at the end of the wire harness. That is, the “connector fitting method” is a method of fitting the first connector 7 and the second connector 8 using the connector fitting jig 1. The “connector fitting structure 100” is a fitting structure of the first connector 7 and the second connector 8 that are fitted to each other by a fitting method using the connector fitting jig 1.

  The electrical junction box 9 shown in FIG. 9 is mounted on an automobile and distributes power from a power source to various electronic devices and transmits signals between the electronic devices. In addition, in FIG. 10 to FIG. 15, illustration of the electrical junction box 9 is omitted.

  As shown in FIGS. 9 to 15, the first connector 7 includes a plurality of terminals electrically connected to a substrate accommodated in the housing of the electrical connection box 9, and a female connector that accommodates the plurality of terminals. A connector having a housing. The plurality of terminals are male terminals provided with a male connection portion. The plurality of terminals are insert-molded in the female connector housing 70 and then electrically connected to the substrate by flow soldering or reflow soldering. For this reason, the female connector housing 70 is made of a heat-resistant resin that can withstand the heat during the flow soldering or the reflow soldering. 9 to 15 do not show the terminals.

  As shown in FIG. 10, the female connector housing 70 is formed in a box shape provided with a rectangular bottom wall and a plurality of side walls 71 erected from the outer edge of the bottom wall. The terminals are insert-molded in the female connector housing 70 so as to penetrate the bottom wall.

  Further, as shown in FIG. 11, the female connector housing 70 is engaged with a pair of hooked portions 72 to be hooked with hooks 61 to be described later of the connector fitting jig 1, and the male connector housing 80. Four locking arms 73 are provided.

  The pair of hooked portions 72 protrude from the outer surfaces of the pair of side walls 71 facing each other along the width direction of the female connector housing 70, that is, the arrow Y direction in FIG.

  As shown in FIG. 10, the four locking arms 73 are respectively arranged at the four corners inside the female connector housing 70. The locking arm 73 includes a cantilever plate-like arm portion 74 and a protrusion 75 provided at the tip of the arm portion 74. The arm portion 74 is provided by cutting a U-shaped slit in the side wall 71 and forms a part of the side wall 71.

  Further, in the connector fitting structure 100, two female connector housings 70 are integrally formed with each other in an arrangement along the longitudinal direction of the female connector housing 70.

  As shown in FIGS. 9 to 15, the second connector 8 includes a plurality of terminals electrically connected to the electric wires 10 of the wire harness, and a male connector housing 80 that accommodates the plurality of terminals. It is a connector which has. The plurality of terminals are female terminals provided with female connection parts capable of accommodating male connection parts provided on the terminals of the first connector 7 described above.

  The male connector housing 80 is formed in a rectangular parallelepiped shape. Further, as shown in FIG. 10, the male connector housing 80 includes four protrusions 82, which are pressed by a later-described pressing portion 50 of the connector fitting jig 1, and the female connector housing 70 described above. Four locking projections 83 that are locked to the locking arm 73 are provided.

  The protrusions 82 protrude from the pair of side walls 81 facing each other along the width direction of the male connector housing 80, that is, the arrow Y direction in FIG. Two protrusions 82 are provided on each side wall 81, and are arranged along the longitudinal direction of the male connector housing 80.

  The four locking projections 83 protrude from a pair of side walls 81 facing each other along the width direction of the male connector housing 80, that is, the arrow Y direction in FIG. Two locking projections 83 are provided on each side wall 81.

  In the first connector 7 and the second connector 8, the male connector housing 80 is inserted into the female connector housing 70 along the direction of the arrow X in FIG. When the stop arm 73 is engaged with each other, the male connection portion provided at the terminal of the first connector 7 is inserted inside the female connection portion provided at the terminal of the second connector 8 and is mutually connected. Electrically connected.

  In the present invention, the male connector housing 80 is inserted into the female connector housing 70 so that the locking projection 83 and the locking arm 73 are locked to each other. 2 connectors 8 are mated ”.

  As shown in FIGS. 1 to 8, the connector fitting jig 1 is provided with gripping portions 20 and 30 on the one end portions 2 a and 3 a, respectively, and is attached to a pair of shafts 11 so as to be rotatable with respect to each other. Handles 2, 3, spring 4 that urges the pair of gripping parts 20, 30 away from each other, fixing part 6 extending from the other end 2 b of one handle 2, and other handle 3 And a moving part 5 connected to the end part 3b.

  The one handle 2 is formed in a bar shape extending linearly. The other handle 3 is formed in a rectangular shape with a central portion 3c bent. Further, the support shaft 11 is attached to a portion of the one handle 2 on the other end 2 b side and a portion on the other end 3 b side of the bent central portion 3 c of the other handle 3. Moreover, the said holding parts 20 and 30 are parts which an operator holds. The handles 2 and 3 are provided with spring attachment portions 21 and 31 for attaching both ends of the spring 4, respectively.

  As shown in FIGS. 11 and 12, the fixing portion 6 includes a plate-like plate portion 62 connected to the other end portion 2 b of one handle 2, and both end portions of the plate portion 62 along the arrow Y direction. To the opposite side of the handle 2, that is, in the direction of the arrow X, and a pair of biting prevention walls 60 erected and a pair of ends of the pair of biting prevention walls 60 extending away from the plate part 62. A hook 61 is provided.

  The plate part 62 is provided with a through hole 65 through which the moving part 5 passes.

  As shown in FIG. 11, the pair of biting prevention walls 60 are provided to face each other along the width direction of the male connector housing 80, that is, the arrow Y direction. The pair of biting prevention walls 60 positions the plurality of electric wires 10 electrically connected to the terminals of the second connector 8 between each other. Also, as shown in FIGS. 4 to 8, the pair of biting prevention walls 60 is formed with a pair of concave grooves 63 formed in a concave shape from the mutually facing surfaces 60a and extending in the arrow X direction, and each concave shape. A pair of cutout grooves 64 that are further recessed from the bottom of the groove 63 and penetrate the opposite side of the surface 60a are provided.

  The pair of hook portions 61 are formed in an L shape, and are respectively hooked on a pair of hooked portions 72 of a female connector housing 70 as shown in FIGS. 11, 13, and 15.

  The moving part 5 includes a connecting part 52 that is rotatably connected to the other end 3b of the other handle 3 by a support shaft 12, and a second connecting part that is connected to the connecting part 52 and extends in a plate shape in the arrow Y direction. 51 and a pair of pressing portions 50 that press the male connector housing 80 toward the female connector housing 70 are provided.

  As shown in FIG. 12, the pair of pressing portions 50 includes a pair of transmission arms 53 erected on both sides of the second connecting portion 51 in the arrow Y direction on the opposite side of the connecting portion 52, and a pair of transmitting arms. 53, a pair of slide portions 54 that are convexly formed on the side away from each of the end portions away from the second connection portion 51, and a pair of contacts that are rotatably connected to each of the pair of slide portions 54 by the support shaft 13. And a contact portion 55.

  The pair of transmission arms 53 are passed through the through holes 65 of the plate portion 62 described above. As shown in FIGS. 3 and 7, the pair of transmission arms 53 moves in a direction substantially equal to the arrow X direction when the grip portion 30 is brought close to the grip portion 20, and the grip portion 30 is moved from the grip portion 20. By being separated, it moves in the direction almost opposite to the arrow X direction.

  The pair of slide portions 54 move in the pair of notch grooves 64 in the direction of the arrow X and the opposite direction in conjunction with the pair of transmission arms 53. The notch groove 64 is formed to have a width slightly larger than the width of the slide portion 54 and extends along the arrow X direction. That is, the pair of cutout grooves 64 regulates the movement of the pair of pressing portions 50.

  The pair of contact portions 55 are formed in a square plate shape. The pair of abutment portions 55 are arranged so that the grip portion 30 is brought close to the grip portion 20 in a state where the pair of hook portions 61 are hooked on the pair of hooked portions 72 of the female connector housing 70, as shown in FIG. As shown, the outer edge abuts on the outer peripheral surface of the protrusion 82 of the male connector housing 80 and presses the protrusion 82 toward the female connector housing 70. Further, as described above, the contact portion 55 is rotatably connected to the slide portion 54 by the support shaft 13, and therefore always comes into contact with the two projecting portions 82.

  In the present invention, the connector fitting jig 1 is formed so that the longitudinal direction of one handle 2 is parallel to the direction in which the pressing portion 50 presses the male connector housing 80. Even if other parts are arranged around the female connector housing 70 (in this embodiment, other female connector housings are adjacent to the female connector housing 70). 70), the pair of gripping portions 20 and 30 can be operated at a position where the male connector housing 80 is positioned between the female connector housing 70, and even in a limited work space. The connector fitting jig 1 can be used.

  Further, in the present invention, as shown in FIG. 4, the interval m1 between the pair of pressing portions 50 facing each other along the width direction of the male connector housing 80, that is, the arrow Y direction, is the male connector housing. It is formed larger than the interval m2 between the pair of biting prevention walls 60 facing each other along the width direction 80, that is, the arrow Y direction. The “interval m1 between the pair of pressing portions 50” refers to an interval between the pair of contact portions 55. The “interval m2 between the pair of biting prevention walls 60” refers to the gap between the surfaces 60a of the pair of biting prevention walls 60 facing each other.

  That is, in the present invention, when the pair of pressing portions 50 move, the wires 10 are connected between the pair of biting prevention walls 60 so as not to bite the plurality of wires 10 connected to the second connector 8. The electric wire 10 is brought close to the center of the male connector housing 80 in the width direction. Further, the pair of contact portions 55 are disposed in the pair of concave grooves 63 of the pair of biting prevention walls 60 so that the pair of contact portions 55 is more than the surfaces 60 a of the pair of biting prevention walls 60 facing each other. By not protruding, the electric wire 10 is prevented from being bitten. As a result of such a purpose, the distance m1 between the pair of pressing portions 50 is larger than the distance m2 between the pair of biting prevention walls 60.

  Next, a connector fitting method for fitting the first connector 7 and the second connector 8 using the connector fitting jig 1 described above will be described.

  First, as shown in FIGS. 10 to 12, a part of the male connector housing 80 is inserted into the female connector housing 70, and the pair of hooks 61 are hooked on the pair of hooks 72. At this time, the plurality of electric wires 10 connected to the second connector 8 are positioned between the pair of biting prevention walls 60.

  Then, the pair of gripping parts 20 and 30 are gripped simultaneously so that the gripping part 30 approaches the gripping part 20. Accordingly, as shown in FIGS. 13 to 15, the contact portions 55 of the pair of pressing portions 50 press the protrusions 82 of the male connector housing 80 toward the female connector housing 70. The first connector 7 and the second connector 8 are fitted.

  As described above, according to the connector fitting method of the present invention, the first connector 7 and the second connector 8 can be reliably fitted with a smaller force than the lever principle of the connector fitting jig 1. Further, by using the connector fitting jig 1, a constant work quality can be maintained regardless of the skill level of the worker.

  Further, in the connector fitting structure 100 in which the first connector 7 and the second connector 8 are fitted by the fitting method described above, the lever (see FIG. 16) that is conventionally attached to the connector housing is eliminated. be able to. Therefore, the size of the first connector 7 and the second connector 8 can be reduced by the amount of the lever. In addition, the number of terminals can be increased instead of downsizing the first connector 7 and the second connector 8. Further, by eliminating the lever, the material cost and manufacturing cost of the lever itself can be reduced, and the material cost can be reduced by downsizing the female connector housing 70. In particular, since the female connector housing 70 is made of an expensive heat-resistant resin, the cost reduction effect due to its miniaturization is great. Further, by eliminating the lever, it is possible to shorten the time for disassembling the second connector 8 when the automobile is scrapped, and to improve resource recyclability.

  Further, since the connector fitting jig 1 can be used any number of times, it is possible to reduce the environmental load.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 Connector fitting jig | tool 2,3 Handle 7 1st connector 8 2nd connector 11 Support shaft 20,30 Grip part 50 Pressing part 60 Biting prevention wall 61 Hook part 70 Female connector housing 72 Hook part 80 Male type Connector housing 82 Projection part 100 Connector fitting structure

Claims (5)

A connector fitting jig for fitting a first connector having a female connector housing and a second connector having a male connector housing,
A pair of handles each provided with a gripping portion on one end side and attached to each other by a support shaft,
A hook extending from the other end of the one handle and hooked to the female connector housing;
The male connector housing is connected to the other end portion of the other handle, and the pair of gripping portions are brought close to each other in a state where the hook portion is hooked on the female connector housing. A connector fitting jig, comprising: a pressing portion that presses against the connector housing side of the mold. The one handle is formed in a bar shape extending linearly, and a longitudinal direction of the one handle is parallel to a direction in which the pressing portion presses the male connector housing. Item 2. The connector fitting jig according to Item 1. A pair of the pressing portions for pressing the protruding portion protruding from the side wall of the male connector housing are provided opposite to each other along the width direction of the male connector housing,
A pair of biting prevention walls for positioning a plurality of electric wires connected to the second connector between each other are provided opposite to each other along the width direction of the male connector housing; and
The connector fitting jig according to claim 1 or 2, wherein an interval between the pair of pressing portions is formed larger than an interval between the pair of biting prevention walls. The first connector having a female connector housing and the second connector having a male connector housing are fitted using the connector fitting jig according to any one of claims 1 to 3. A connector mating method,
A part of the male connector housing is inserted into the female connector housing, the hooking portion is hooked on the hooked portion of the female connector housing, and the pair of gripping portions are brought close to each other. A connector fitting method, wherein the first connector and the second connector are fitted by pressing the male connector housing toward the female connector housing with a pressing portion.   A connector fitting structure, wherein the first connector and the second connector are fitted by the fitting method according to claim 4.

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