JP2014029764A - Tool for connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a tool for connectors that enables easy position adjustment without requiring highly accurate position adjustment in fitting operation, and that enables easy fitting without causing damage to connectors.SOLUTION: A tool 10 for connectors that is used to fit a second connector into a first connector, comprises a holding member 11, a pressing member 13 and a pushing member 15. The holding member 11 is configured to be a partial structure including a holding protrusion 111 for holding the second connector, a control contact portion 114 with which a control portion 152 of the pushing member 15 is to be contact, attachment means for the pressing member 13, and opening and closing means; the pressing member 13 includes fixing means for the pushing member 15, a pressing portion 138 for pressing the second connector when connecting the second connector into the first connector, and attachment means for the holding member; and the pushing member 15 includes fixing means for the pressing member 13, and the control portion 152 with which the control contact portion 114 of the holding member 11 is to be connected. A pitched guide portion for guiding the second connector into the first connector to fit the connectors is provided on the holding protrusion 111.

Description

  The present invention relates to a tool for fitting a mating connector to a connector attached to a circuit board or the like.

  Electrical devices, electronic devices, and the like use connectors for external connection (signal exchange), and the connectors have mating counterparts that are paired with each other. For example, in order to connect a circuit board and an external device, a first connector attached to the circuit board and a second connector that is a mating partner of the first connector attached to the tip of the electric wire are fitted. Work is required. The connectors were fitted with the second connector by hand and fitted into the first connector (fitted).

  In recent years, connectors have been downsized due to demands from the market, etc., but with the downsizing of connectors, the workability of the above-described fitting work has deteriorated. For example, Patent Document 1 (FIG. 5) And paragraphs “0040” to “0044”, etc.).

JP 2006-004791 A

  However, when the second connector is fitted to the first connector using the tool of Patent Document 1, it is necessary to accurately match the second connector with a position where the second connector can be fitted to the first connector due to its structure. If the alignment is not performed accurately, the connectors cannot be fitted together, and if the connectors are fitted without being aligned, the connectors are damaged. Furthermore, the smaller the connector is, the more difficult it is to align and there is a problem in that the work efficiency deteriorates because smooth fitting work cannot be performed.

  Therefore, the present invention has been made in view of such conventional problems, and can be easily aligned without requiring highly accurate alignment during fitting work, and there is no damage between connectors. A connector tool that can be easily fitted is provided.

  An object of the present invention is to provide a connector tool used when fitting a second connector attached to an electric wire that is a mating partner to a first connector attached to a circuit board, as described in claim 1. A gripping member for gripping the second connector; a control abutting portion on which the control portion of the pressing member abuts; a gripping member having a split structure having means for attaching to the pressing member and an opening / closing means; and a means for mounting on the pressing member. A pressing member having a pressing portion that presses the second connector when fitting the second connector to the first connector and a mounting means for the gripping member, a mounting means for the pressing member, and a control of the gripping member A pressing member having a control part that contacts the contact part, and an inclined guide part that guides the first connector to the first connector when the second connector is fitted to the first connector. Provided, The pressing member is attached to the pressing member so as to be movable in the insertion / extraction direction of the second connector, and the pressing member is shaped according to the shape of the control contact portion of the gripping member, the shape of the control portion of the pressing member, and the pressing amount of the pressing member. Controlling the opening and closing of the gripping member, the gripping member is opened by pushing the pushing member, the second connector is pressed by the pressing portion of the pressing member, and the second connector is fitted to the first connector This can be achieved by a connector tool characterized by the following.

  The connector tool according to claim 2, wherein the opening and closing means of the gripping member is a mechanism that slides and opens with respect to the pressing member.

  The connector tool according to claim 3, wherein the opening / closing means of the gripping member is provided with a convex portion or a concave portion in the gripping member, and the concave portion or the convex portion is located at a position corresponding to the convex portion or the concave portion of the gripping member of the pressing member. The convex portion and the concave portion are fitted to each other, and are slid with respect to the pressing member to be opened and closed.At the same time, as the attaching means, the convex portion and the concave portion are fitted to each other so that the gripping member is The connector tool according to claim 2, wherein the connector tool is attached to a pressing member.

  The connector tool according to claim 4 is the connector tool according to claim 1, wherein the opening / closing means of the gripping member is a mechanism that rotates and opens / closes with respect to the pressing member.

  The connector tool according to claim 5, wherein the gripping protrusion of the gripping member is provided with a portion having a shape that matches the second connector in order to grip the second connector. It exists in the tool for connectors of any one of 1-4.

  6. The connector tool according to claim 6, wherein the means for attaching the pressing member to the pressing member is means for providing an inner space in the pressing member and mounting the pressing member in the inner space. It exists in the tool for connectors of any one of claim | item 1 -5.

  According to the present invention, by providing the inclined guide portion on the gripping protrusion of the gripping member of the connector tool, high-precision alignment can be performed when the connectors (first connector and second connector) are fitted together. Positioning can be performed easily without the need for connector damage, and the connectors can be easily fitted together. Further, since the opening and closing of the gripping member can be controlled by the shape of the control contact portion of the gripping member, the shape of the control portion of the pushing member, and the pushing amount of the pushing member, the gripping member may interfere with the connector during the fitting operation. In addition, by using a mechanism that automatically returns to the initial state after the work is completed, a connector tool that does not require the operation of returning to the initial position can be provided.

It is a top view in the state where a 2nd connector was grasped in a tool for connector (Embodiment 1) by the present invention. (Circuit board is omitted) It is the perspective view which expanded the tip vicinity of the tool for connectors of this Embodiment 1. It is center sectional drawing of the tool for connectors of this Embodiment 1, (a) represents an initial state, (b) represents the pushing state. It is the top view which represented a mode that a fitting operation | work was performed using the tool for connectors of this Embodiment 1 in order of (a), (b), (c), (d), (e). (Circuit board is omitted) It is a perspective view of the holding member of the one side divided | segmented into two of this Embodiment 1, (a), (b) is seen from another direction, respectively. FIG. 3 is a perspective view of a pressing member according to the first embodiment. It is a perspective view of the pushing member of this Embodiment 1. It is a top view in the state where the 2nd connector was grasped in the tool for connectors by a 2nd embodiment of the present invention (embodiment 2). (Circuit board is omitted) It is the perspective view which expanded the tip vicinity of the tool for connectors of this Embodiment 2. It is center sectional drawing of the tool for connectors of this Embodiment 2, (a) represents an initial state, (b) represents the pushing state. It is the top view which represented a mode that a fitting operation | work is performed using the tool for connectors of this Embodiment 2 in order of (a), (b), (c), (d). (Circuit board is omitted) It is a perspective view of the holding member of the one side divided | segmented into two of this Embodiment 2, (a), (b) is seen from another direction, respectively. It is a perspective view of the pressing member of this Embodiment 2. It is a perspective view of the pushing member of this Embodiment 2.

  Embodiments of the present invention will be described below based on the drawings.

(Embodiment 1)
1 to 7 show a connector tool 10 according to the first embodiment. The connector tool 10 includes a gripping member 11, a pressing member 13, and a pressing member 15 as main constituent members. Each will be described below.

  First, the grip member 11 will be described. The gripping member 11 is a metal and is manufactured by a known technique of cutting or casting. The material is appropriately selected in consideration of impact resistance, wear resistance, dimensional stability, workability, cost, and the like. In general, steel, stainless steel, copper alloy and the like can be mentioned. Also, plastic may be used, and the plastic is manufactured by known injection molding or cutting. This material is appropriately selected in consideration of impact resistance, wear resistance, dimensional stability, workability, cost, and the like. In general, mention may be made of polybutylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), polyphenylene sulfide (PPS), polyethylene (PE), and synthetic materials thereof. Can do.

  The gripping member 11 is divided into two as a split structure, and a pin hole 119 for inserting an external coil spring pin 118 used for connecting them to each other, and a slide movement attached to the pressing member 13 A sliding projection 116 for holding, a holding projection 111 for holding the second connector 32, a holding space 113 in which the second connector 32 is accommodated, and a control part of the pushing member 15 when fitting the connectors together And a control abutting portion 114 with which 152 abuts.

  Further, a part of the gripping member 11 is shaped so as to sandwich the pressing member 13. The gripping members 11 that are divided into two are entered into the slide recess 139 of the pressing member 13 on both inner sides of the pressing member 13. A slide convex portion 116 is provided so as to be slidable in the opening / closing direction. The concave portion and the convex portion may be arranged in reverse. The pin holes 119 into which the external coil spring pins 118 are inserted are provided on both surfaces of the gripping member 11 facing each other.

  In addition, the external coil spring 117 made of metal is engaged with the external coil spring pin 118 inserted into the pin hole 119 of each of the two divided gripping members 11, so that the two parts are divided. The gripping members 11 are always urged and integrated in a direction to close each other. In the first embodiment, as described above, the two divided gripping members 11 are always urged and integrated in a direction to close each other. However, any member can be used as long as the purpose can be achieved. I do not care.

  Further, the control contact portion 114 of the gripping member 11 is a portion where the control portion 152 of the pushing member 15 comes into contact when the pushing member 15 is pushed. The shape of the control portion 152 and the control contact portion Depending on the shape of 114 and the pushing state of the pushing member 15, the open / closed state of the grip member 11 divided into two can be changed.

  The gripping member 11 is provided with a gripping space 113 in which the second connector 32 is accommodated when the second connector 32 is gripped.

  Each of the two divided gripping members 11 is provided with a gripping projection 111 for gripping the second connector 32. The gripping protrusion 111 is provided with a fitting hole 115 having a size through which the first connector 31 can pass. The grip protrusion 111 is provided with a portion having a shape that matches the second connector 32 in order to securely grip the second connector 32. Since the shape of the second connector 32 in the first embodiment is substantially circular, an arc-shaped cutout is provided so as to match the shape.

  An inclined guide portion 112 is provided on the gripping protrusion 111 of each of the gripping members 11 divided into two. Since the guide portion 112 is inclined so as to guide the center of the second connector 32 toward the center of the first connector 31, the center of the second connector 32 is guided to the center of the first connector 31. Then, the second connector 32 can be aligned to a position where it can be properly fitted to the first connector 31. In other words, the role of the guide portion 112 is provided as an invitation so that when the second connector 32 is fitted to the first connector 31, it is easy to align the connectors. This is the portion that becomes the point (first point).

  Next, the pressing member 13 will be described. The pressing member 13 is a metal, and is manufactured by a known technique of cutting or casting. This material is appropriately selected in consideration of impact resistance, wear resistance, dimensional stability, workability, cost, and the like. In general, steel, stainless steel, copper alloy and the like can be mentioned. Also, plastic may be used, and the plastic is manufactured by known injection molding or cutting. This material is appropriately selected in consideration of impact resistance, wear resistance, dimensional stability, workability, cost, and the like. In general, mention may be made of polybutylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), polyphenylene sulfide (PPS), polyethylene (PE), and synthetic materials thereof. Can do.

  The pressing member 13 includes a rear part 131 having a substantially cylindrical shape, an intermediate part 132 having a substantially cylindrical shape having a diameter larger than that of the rear part 131, and a front part 133 having a substantially rectangular parallelepiped shape on a straight line.

  Further, the pressing member 13 has a structure that is mounted so as to be able to reciprocate in the internal space 153 of the pressing member 15, and the pressing portion 138 provided at the tip of the front portion 133 by being pressed by the pressing member 15 The second connector 32 is pressed to fit the connectors together. In addition, a slide recess 139 that is a part of a mechanism for preventing the gripping member 11 from interfering with the connector when the connectors are fitted to each other is provided.

  The rear portion 131 has a substantially cylindrical shape, and is formed in a size that allows the inner space 153 of the pushing member 15 to move smoothly. The rear surface 134 of the rear portion 131 is always urged outward from the internal space 153 by the internal coil spring 171. That is, the entire pressing member 13 is always urged outward from the inner space 153 of the pressing member 15.

  The intermediate portion 132 has a substantially cylindrical shape, and can move smoothly in the internal space 153 of the pressing member 15 and has a larger diameter than the rear portion 131 in order to press and press the pressing member 15. It is formed in a substantially cylindrical shape. A surface of the intermediate portion 132 that forms a step with the rear portion 131 is an intermediate portion rear surface 135, and a surface that forms a step with the front portion 133 is an intermediate portion front surface 136. In the initial state where the connector tool 10 is not used, the entire pressing member 13 is urged outward from the inner space 153 of the pressing member 15 by the internal coil spring 171, and the intermediate portion front surface 136 and the The third internal space surface 156 of the pushing member 15 is in contact (see FIG. 3A). As the pushing member 15 is pushed in, the intermediate portion rear surface 135 comes into contact with the second internal space surface 155 of the pushing member 15 (see FIG. 3B).

  The front portion 133 has a substantially rectangular parallelepiped shape, and is provided with a pressing portion 138 that presses the second connector 32 when the connectors are fitted to each other, and a slide concave portion 139 corresponding to the slide convex portion 116 of the gripping member 11. ing.

  The pressing portion 138 is provided at the tip of the front portion 133 and presses the second connector 32 when the connectors are fitted together. The shape of the pressing portion 138 may be a shape that can easily press the connector. In the first embodiment, the pressing portion 138 has a rectangular planar shape.

  The slide recess 139 is provided on both sides in the longitudinal direction in the vicinity of the tip of the front portion 133 so as to correspond to the slide protrusion 116 of the gripping member 11. The gripping member 11 can slide along the slide recess 139. Note that the concave portion and the convex portion may be arranged in reverse. The slide recess 139 is formed in a substantially V-shape on the front portion 133, and this is because when the second connector 32 is fitted to the first connector 31, the gripping member 11 is In order to make it easier to escape in a direction not interfering with the connector, it is formed in this way. In consideration of the shape and size of the connector, for example, it may be formed in a straight line or other shapes.

  Next, the pushing member 15 will be described. The pushing member 15 is a metal and is manufactured by a known technique of cutting or casting, and this material is appropriately selected in consideration of impact resistance, wear resistance, dimensional stability, workability, cost, and the like. In general, steel, stainless steel, copper alloy and the like can be mentioned. Also, plastic may be used, and the plastic is manufactured by known injection molding or cutting. This material is appropriately selected in consideration of impact resistance, wear resistance, dimensional stability, workability, cost, and the like. In general, mention may be made of polybutylene terephthalate (PBT), polyamide (66PA, 46PA), liquid crystal polymer (LCP), polycarbonate (PC), polyphenylene sulfide (PPS), polyethylene (PE), and synthetic materials thereof. Can do.

  The pushing member 15 includes a main body 151 having a substantially cylindrical shape, a control unit 152 that controls opening and closing of the gripping member 11, and an internal space 153 in the main body 151. The pressing member 13 is mounted in the inner space 153 so that the pressing member 13 can reciprocate. The pressing member 15 is pressed by the pressing member 15 to press the second connector 32 and to fit the connectors together. Can do.

  The main body 151 has a substantially cylindrical shape, and an internal space 153 in which the pressing member 13 is mounted is provided. A surface of the main body 151 opposite to the opening of the internal space 153 is defined as a first internal space surface 154, and a portion that faces and contacts the intermediate portion rear surface 135 of the pressing member 13 is a second internal space surface 155. A portion that faces and contacts the intermediate portion front surface 136 of the pressing member 13 is a third internal space surface 156.

  The control unit 152 has a substantially U shape that sandwiches the pressing member 13, and is generally tapered toward the tip. The control unit 152 has a function of opening and closing the gripping member 11 by contacting the control contact portion 114 of the gripping member 11, and can change the open / closed state according to the shape and the pushing amount.

  The internal space 153 is a space provided so that the pressing member 13 is movably mounted inside the pressing member 15, and the shape and size of the internal space 153 are such that the pressing member 13 can move smoothly. It shall be

  Further, the pushing member 15 has a structure that can be divided so that the pressing member 13 can be mounted in order to mount the pressing member 13 in the internal space 153 as described above.

  In addition, a metal coiled internal coil spring 171 is disposed in the internal space 153 between the first internal space surface 154 and the rear surface 134, and the internal coil spring 171 pushes the pressing member 13 into the push-in portion. The member 15 is biased outward from the internal space 153. In an initial state where the connector tool 10 is not used, the third internal space surface 156 and the intermediate portion front surface 136 are in contact with each other (see FIG. 3A). The second internal space surface 155 and the intermediate portion rear surface 135 come into contact with each other (see FIG. 3B).

  Next, a method of fitting the second connector 32 attached to the end of the electric wire with the first connector 31 attached to the circuit board using the connector tool 10 of the first embodiment will be described with reference to FIGS. And it demonstrates using FIG. However, the electric wire and the circuit board are not shown.

  First, in the initial state before using the connector tool 10, the pressing member 13 is moved by the internal coil spring 171 disposed in the internal space 153 of the pushing member 15 as shown in the sectional view of FIG. The intermediate portion front surface 136 of the pressing member 13 is held in contact with the third internal space surface 156 of the pressing member 15.

  In this initial state, the second connector 32 attached to the tip of the electric wire is inserted into the holding space 113 of the holding member 11 from the front side or the back side in FIG. 3 (in FIG. 4, it is inserted from the back side). ). When the second connector 32 is inserted into the holding space 113, the second connector 32 comes into contact with the holding protrusion 111. When further inserted, the gripping member 11 is opened, and the second connector 32 gets over the contact point of the gripping projection 111. Since the grip protrusion 111 is provided with a portion having a shape matching the second connector 32, the second connector 32 is held by the grip protrusion 111, and the grip member 11 returns to a closed state. . This completes the insertion of the second connector 32 into the holding space 113 as shown in FIG.

  Next, the second connector 32 is aligned with the first connector 31. The tip of the gripping member 11 of the connector tool 10 is brought closer to the first connector 31 attached on the circuit board. At this time, when the center of the second connector 32 is aligned with the center of the first connector 31, the first connector 31 can be fitted through the fitting hole 115 as it is. On the other hand, when the center of the second connector 32 is shifted from the center of the first connector 31, the guide portion 112 provided in an inclined shape on the gripping protrusion 111 of the gripping member 11 is fitted to the first connector 31. Contact the mating surface. As shown in FIG. 2, the guide portion 112 is inclined so as to guide the center of the second connector 32 toward the center of the first connector 31, so that the center of the second connector 32 is the first connector. It can be guided to the center of 31 and can be aligned to a position where the second connector 32 can be properly fitted to the first connector 31. When the connector tool 10 is pushed in, the first connector 31 passes through the fitting hole 115 and is lightly engaged with the second connector 32 as shown in FIG.

  When the connector tool 10 is further pushed in, only the pushing member 15 moves in the lower direction of the figure with respect to the pushing member 13. In the middle of the movement, as shown in FIG. 4C, the control unit 152 of the pushing member 15 contacts the control contact unit 114 of the gripping member 11.

  When the connector tool 10 is further pushed in, the gripping member 11 divided into two by the abutting action of the control portion 152 of the pushing member 15 and the control abutting portion 114 of the gripping member 11 is It slides in the opening direction along the slide recess 139 of the pressing member 13. When further pushed in, the second internal space surface 155 of the pushing member 15 comes into contact with the intermediate portion rear face 135 of the pushing member 13 as shown in the sectional view of FIG. At this time, the gripping member 11 is in a fully opened state, and the second connector 32 is released from the gripping of the gripping member 11 as shown in FIG.

  When the connector tool 10 is further pushed in, the second inner space surface 155 of the pushing member 15 is always in contact with the intermediate portion rear surface 135 of the pushing member 13, so the pushing member 15 and the pushing member 15 13 moves in the lower direction of the drawing while being synchronized, and the second connector 32 is pressed by the pressing portion 138 of the pressing member 13, and the second connector 32 is moved to the first as shown in FIG. The connector 31 is completely fitted. This is the end of the work.

  Further, in the connector tool 10 of the present invention, it is also a point (second point) that the connector and the gripping member 11 do not interfere with each other when the connector is fitted, and it is appropriate for the connector to be used. It is necessary to finely adjust the position and shape of each member so that the gripping member 11 opens at the timing.

  In addition, when the force pushed in the lower direction in the figure is released after the above-described operation is completed, the internal coil spring 171 and the external coil spring 117 return from the deformed state to the original state. All 10 members return to the initial state as shown in FIG. Thus, it is a point (third point) of the connector tool 10 of the present invention that the mechanism automatically returns to the initial state after the work is completed.

(Embodiment 2)
8 to 14 show a connector tool 20 according to the second embodiment. The connector tool 20 includes a gripping member 21, a pressing member 23, and a pressing member 25 as main constituent members. Each will be described below. The description of the materials of the gripping member 21, the pressing member 23, and the pressing member 25 is the same as that in the first embodiment, and will be omitted.

  First, the grip member 21 will be described. The gripping member 21 is divided into two as a split structure, and includes a pin hole 221 for inserting a rotation shaft pin 220 for rotatably mounting to the pressing member 23, and a second connector 32. A gripping protrusion 211 for gripping, a gripping space 213 in which the second connector 32 is accommodated, and a control contact portion 214 with which the control portion 252 of the push-in member 25 contacts when the connectors are fitted together.

  Further, a part of the gripping member 21 is shaped so as to sandwich the pressing member 23, and the pin hole 221 for inserting the rotating shaft pin 220 is provided on both opposing faces.

  The control contact portion 214 of the gripping member 21 is a portion where the control portion 252 of the push-in member 25 comes into contact, and depends on the shape of the control portion 252, the shape of the control contact portion 214, and the push-in state of the push-in member 25. The open / closed state of the two-divided gripping member 21 can be changed.

  The gripping member 21 is provided with a gripping space 213 in which the second connector 32 is accommodated when the second connector 32 is gripped.

  Each of the two divided gripping members 21 is provided with a gripping protrusion 211 that grips the second connector 32. The holding projection 211 is provided with a fitting hole 215 having a size through which the first connector 31 can pass. The gripping protrusion 211 is provided with a portion having a shape that matches the second connector 32 in order to securely grip the second connector 32. Since the shape of the second connector 32 in the second embodiment is substantially circular, an arc-shaped notch is provided so as to match it.

  An inclined guide portion 212 is provided on the gripping protrusion 211 of each of the gripping members 21 divided into two. Since the guide portion 212 is inclined so as to guide the center of the second connector 32 toward the center of the first connector 31, the center of the second connector 32 is guided to the center of the first connector 31. Then, the second connector 32 can be aligned to a position where it can be properly fitted to the first connector 31. That is, the role of the guide part 212 is provided as an invitation so that the second connector 32 can be easily fitted to the first connector 31 so that the connectors can be easily aligned. This is the portion that becomes the point (first point).

  Next, the pressing member 23 will be described. The pressing member 23 has a rear part 231 having a substantially cylindrical shape, an intermediate part 232 having a substantially cylindrical shape having a diameter larger than that of the rear part 231, and a front part 233 having a substantially rectangular parallelepiped shape on a straight line.

  Further, the pressing member 23 has a structure that is mounted so as to be able to reciprocate in the internal space 253 of the pressing member 25, and the pressing portion 238 provided at the tip of the front portion 233 is pressed by the pressing member 25. The second connector 32 is pressed to fit the connectors together.

  The rear portion 231 has a substantially cylindrical shape, and is formed in a size that allows the inner space 253 of the pushing member 25 to move smoothly. The rear surface 234 of the rear portion 231 is always urged outward from the internal space 253 by the internal coil spring 271. That is, the entire pressing member 23 is always urged outward from the inner space 253 of the pressing member 25.

  The intermediate portion 232 has a substantially cylindrical shape, and can move smoothly in the internal space 253 of the pushing member 25 and has a larger diameter than the rear portion 231 in order to make the pushing member 25 pressed and pressed. It is formed in a substantially cylindrical shape. A surface of the intermediate portion 232 that forms a step with the rear portion 231 is an intermediate portion rear surface 235, and a surface that forms a step with the front portion 233 is an intermediate portion front surface 236. In the initial state in which the connector tool 20 is not used, the entire pressing member 23 is urged outward from the inner space 253 of the pushing member 25 by the internal coil spring 271 (see FIG. 10A). ). As the pushing member 25 is pushed in, the intermediate portion rear surface 235 comes into contact with the second internal space surface 255 of the pushing member 15. (See FIG. 10 (b))

  The front portion 233 has a substantially rectangular parallelepiped shape, a pressing portion 238 that presses the second connector 32 when the connectors are fitted together, and a rotation shaft pin 220 for rotatably mounting the gripping member 21. A pin hole 240 for inserting the holding member 21 and a pressing protrusion 241 for setting the gripping member 21 to an appropriate initial position are provided.

  The pressing portion 238 is provided at the tip of the front portion 233 and presses the second connector 32 when the connectors are fitted together. The shape of the pressing portion 238 may be any shape that can easily press the connector. In the second embodiment, the pressing portion 238 has a rectangular planar shape.

  The pin hole 240 and the pressing protrusion 241 are related to the attachment of the gripping member 21. The pin hole 240 is provided at two locations near the tip of the front portion 233, and corresponds to each of the gripping members 21 divided into two. The position of the pin hole 240 and the position of the pin hole 221 of the gripping member 21 are matched and the rotation shaft pin 220 is inserted, so that the gripping member 21 is rotatably attached to the pressing member 23. It is done. In addition, the pressing protrusion 241 is provided as a pressing so that the gripping member 21 attached so as to be rotatable does not fall down inwardly to an appropriate initial position, and the front surface of the front portion 233 is provided. 237 is appropriately arranged.

  Next, the pushing member 25 will be described. The pushing member 25 includes a main body 251 having a substantially cylindrical shape, a control unit 252 that controls opening and closing of the gripping member 21, and an internal space 253 in the main body 251. The pressing member 23 is mounted in the inner space 253 so that the pressing member 23 can reciprocate, and the pressing member 23 is pressed by the pressing member 25 to press the second connector 32 and fit the connectors together. Can do.

  The main body 251 has a substantially cylindrical shape, and an internal space 253 in which the pressing member 23 is mounted is provided. A surface of the main body 251 opposite to the opening of the internal space 253 is defined as a first internal space surface 254, and a portion that faces and abuts the intermediate portion rear surface 235 of the pressing member 23 is a second internal space surface 255. And the location which opposes the intermediate part front surface 236 of the said press member 23 is made into the 3rd internal space surface 256. FIG.

  The control unit 252 has a substantially U shape that sandwiches the pressing member 23, one side facing the substantially U shape is generally tapered toward the tip, and the other side has a width toward the tip. It is a shape in which the width expands after being narrowed. The control unit 252 has a function of opening and closing the gripping member 21 by abutting against the control contact portion 214 of the gripping member 21, and can change the open / close state depending on the shape and the pushing amount. Further, the major reason for providing the above-mentioned widened portion is to return the gripping member 21 to the initial position after the fitting operation is finished. Also, as the pressing in the back direction when the second connector 32 is inserted into the gripping space 213, the gripping member 21 is in an appropriate initial position without falling too much inwardly like the pressing protrusion 241. It also has a role as a presser.

The internal space 253 is a space provided so that the pressing member 23 is movably mounted inside the pressing member 25, and the shape and size of the internal space 253 are such that the pressing member 23 can move smoothly. It shall be

  Further, the pushing member 25 has a structure that can be divided so that the pressing member 23 can be mounted in order to mount the pressing member 23 in the internal space 253 as described above.

  Further, a metal coiled internal coil spring 271 is disposed in the internal space 253 between the first internal space surface 254 and the rear surface 234, and the internal coil spring 271 pushes the pressing member 23 into the push-in portion. The member 25 is urged outward from the internal space 253. When the pushing member 25 is pushed in from the initial state where the connector tool 10 is not used (see FIG. 10A), the second internal space surface 255 and the intermediate portion rear surface 235 come into contact with each other (FIG. 10 ( b)).

  Next, a method for fitting the second connector 32 attached to the tip of the electric wire to the first connector 31 attached to the circuit board using the connector tool 20 of the second embodiment will be described with reference to FIGS. And it demonstrates using FIG. However, the electric wire and the circuit board are not shown.

  First, in the initial state before using the connector tool 20, the pressing member 23 is moved by the internal coil spring 271 disposed in the internal space 253 of the pushing member 25 as shown in the sectional view of FIG. It is held in a state of being urged downward in the figure.

  In this initial state, the second connector 32 attached to the tip of the electric wire is inserted into the gripping space 213 of the gripping member 21 from the back side in FIG. As the second connector 32 is inserted into the gripping space 213, the second connector 32 comes into contact with the gripping protrusion 211. When further inserted, the gripping member 21 opens, and the second connector 32 gets over the contact point of the gripping projection 211. Since the gripping projection 211 is provided with a portion that matches the second connector 32, the second connector 32 is held by the gripping projection 211, and the gripping member 21 returns to the closed state. . Thus, as shown in FIG. 11A, the insertion of the second connector 32 into the gripping space 213 is completed.

  Next, the second connector 32 is aligned with the first connector 31. The tip of the gripping member 21 of the connector tool 20 is brought closer to the first connector 31 attached on the circuit board. At this time, when the center of the second connector 32 is aligned with the center of the first connector 31, the first connector 31 can be fitted through the fitting hole 215 as it is. On the other hand, when the center of the second connector 32 is shifted from the center of the first connector 31, the guide portion 212 provided in an inclined manner on the gripping protrusion 211 of the gripping member 21 is fitted to the first connector 31. Contact the mating surface. As shown in FIG. 9, the guide portion 212 is inclined so as to guide the center of the second connector 32 toward the center of the first connector 31, so that the center of the second connector 32 is the first connector. It can be guided to the center of 31 and can be aligned to a position where the second connector 32 can be properly fitted to the first connector 31. When the connector tool 20 is pushed in, the first connector 31 passes through the fitting hole 215 and is lightly engaged with the second connector 32 as shown in FIG.

  When the connector tool 20 is further pushed in, the gripping member 21 divided into two is pinned by the abutting action of the control part 252 of the pushing member 25 and the control abutting part 214 of the gripping member 21. It rotates in the opening direction with the use hole 221 as the central axis. When further pushed, the second inner space surface 255 of the pushing member 25 comes into contact with the intermediate portion rear surface 235 of the pushing member 23 as shown in the sectional view of FIG. At this time, the gripping member 21 is in a fully opened state, and the second connector 32 is released from the gripping of the gripping member 21 as shown in FIG.

  When the connector tool 20 is further pushed in, the second inner space surface 255 of the pushing member 25 is always in contact with the intermediate portion rear surface 235 of the pushing member 23. Therefore, the pushing member 25 and the pushing member 23 moves in the downward direction in the figure while being synchronized, and the second connector 32 is pressed by the pressing portion 238 of the pressing member 23, and as shown in FIG. The connector 31 is completely fitted. This is the end of the work.

  In addition, in the connector tool 20 of the present invention, it is also a point (second point) that the connector and the gripping member 11 do not interfere with each other when the connector is fitted, which is appropriate for the connector to be used. Fine adjustment of the position and shape of each member is necessary so that the gripping member 21 opens at the timing.

  Further, when the force pushed in the lower direction in the figure is released after the above-described operation is completed, the internal coil spring 271 returns from the deformed state to the original state, and therefore all the members of the connector tool 10 are It returns to the initial state as shown in FIG. Thus, it is a point (third point) of the connector tool 10 of the present invention that the mechanism automatically returns to the initial state after the work is completed.

10, 20 Connector tool 11, 21 Grip member 111, 211 Grip protrusion 112, 212 Guide portion 113, 213 Grip space 114, 214 Control abutment portion 115, 215 Fitting hole 116 Slide convex portion 117 External coil spring 118 External coil Spring pin 119 Pin hole 220 Rotating shaft pin 221 Pin holes 13, 23 Press members 131, 231 Rear part 132, 232 Intermediate part 133, 233 Front part 134, 234 Rear surface 135, 235 Intermediate part rear surface 136, 236 Intermediate portion front surface 137, 237 Front surface 138, 238 Pressing portion 139 Slide recess 240 Pin hole 241 Pressing protrusions 15, 25 Pushing member 151, 251 Body portion 152, 252 Control portion 153, 253 Internal space 154, 254 First Internal space surface 155, 255 Second internal space surface 156 256 Third internal space surface 171 and 271 inside the coil spring 31 the first connector 32 Second connector

Claims (6)

In the connector tool used when fitting the second connector attached to the wire to be mated with the first connector attached to the circuit board,
A gripping member having a split structure having a gripping projection for gripping the second connector, a control abutting portion on which a control portion of the pushing member abuts, an attaching means to the pressing member, and an opening / closing means;
A pressing member having a pressing unit that presses the second connector when the mounting unit to the pressing member and the second connector are fitted to the first connector, and an attaching unit of the gripping member;
A pressing member having a mounting means for the pressing member and a control part that comes into contact with the control contact part of the gripping member,
An inclined guide portion that guides the first connector when the second connector is fitted to the first connector is provided on the gripping projection,
The pressing member is attached to the pressing member so as to be movable in the insertion / extraction direction of the second connector,
The opening and closing of the gripping member is controlled by the shape of the control contact portion of the gripping member, the shape of the control portion of the pressing member, and the pressing amount of the pressing member,
The connector tool, wherein the holding member is opened by pressing the pressing member, the second connector is pressed by a pressing portion of the pressing member, and the second connector is fitted to the first connector.   The connector tool according to claim 1, wherein the opening / closing means of the gripping member is a mechanism that slides on and off the pressing member.   The opening / closing means of the gripping member is provided with a convex portion or a concave portion on the gripping member, and provided with a concave portion or a convex portion at a position corresponding to the convex portion or the concave portion of the gripping member of the pressing member. Is a mechanism for sliding and opening / closing with respect to the pressing member, and the gripping member is attached to the pressing member by fitting the convex portion and the concave portion together as an attachment means. The connector tool according to claim 2.   The connector tool according to claim 1, wherein the opening / closing means of the gripping member is a mechanism that rotates and opens / closes with respect to the pressing member.   The gripping protrusion of the gripping member is provided with a portion having a shape that matches the second connector in order to grip the second connector. Connector tool.   The means for attaching the pressing member to the pressing member is a means for providing an inner space in the pressing member and mounting the pressing member in the inner space. The connector tool described.

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