JP5823718B2 - Housing and joint connector - Google Patents

Description

  The present invention relates to a housing in which a plurality of terminal accommodating chambers into which crimp terminals are inserted, and a joint connector including the housing and the crimp terminals.

  Conventionally, as a joint connector for electrically connecting the crimp terminals respectively inserted into a plurality of terminal accommodating chambers provided in the housing, it has been described in, for example, Japanese Patent Application Laid-Open No. 2010-129189 (Patent Document 1). Joint connectors have been proposed.

  In this joint connector, a crimp terminal is brought into contact with a bus bar of a male terminal provided in the housing by inserting a female crimp terminal into each terminal accommodating chamber, and the crimp terminals are electrically connected to each other. It is.

  FIG. 5 is a view showing a joint connector described in Patent Document 1. As shown in FIG. As shown in FIG. 5, the joint connector 100 includes a crimp terminal 102 to which a conductor of the electric wire 101 is crimped, a housing 112 having a plurality of terminal accommodating chambers 111 into which the crimp terminals 102 are respectively inserted, and a housing 112. The bus bar 113 is integrally formed.

  The crimp terminal 102 is provided with a terminal portion 103 that comes into contact with the bus bar 113 and a crimping portion 104 that crimps the electric wire 101.

Each terminal accommodating chamber 111 of the housing 112 is provided with a partition wall 114 that partitions between the two terminal accommodating chambers 111 adjacent to each other in the width direction orthogonal to the insertion direction of the crimp terminal 102.

  The bus bar 113 attached to the base portion 115 of the housing 112 is provided with a contact portion 116 that is electrically connected to the terminal portion 103 of the crimp terminal 102 inserted into the terminal accommodating chamber 111.

  When the crimp terminals are electrically connected to each other, the crimp terminals 102 are inserted into the respective terminal accommodating chambers 111, the terminal portions 103 of the crimp terminals 102 are brought into contact with the contact portions 116 of the bus bars 113, and the bus bars 113 are interposed therebetween. Connect the crimping terminals electrically.

JP 2010-129189 A

  In the conventional joint connector 100 described above, the crimp terminals are electrically connected via the bus bar 113 attached to the housing 112. For this reason, a space for mounting the bus bar 113 on the housing 112 must be secured, and there is a problem that it is difficult to downsize the housing 112 and the joint connector 100.

  Further, the conventional joint connector 100 described above requires components for attaching the bus bar 113 to the housing 112, the number of components of the housing 112 and the joint connector 100 is large, the number of processes for managing the components is increased, and the manufacturing cost is increased. There was a problem that became high.

  Therefore, the present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a housing and a joint connector that can be reduced in size and reduced in manufacturing cost. It is in.

  In order to achieve the above object, the housing of the present invention described in claim 1 is a joint in which a plurality of terminal accommodating chambers into which crimp terminals are inserted are formed at intervals in the width direction perpendicular to the insertion direction of the crimp terminals. A housing of the connector, wherein a slit is formed along the insertion direction from the insertion port of the crimp terminal on the partition wall that partitions between the two terminal accommodating chambers adjacent in the width direction. It is characterized by the terminal engaging part which contacts each other of the two crimp terminals inserted in the two terminal accommodating chambers partitioned by the partition wall being positioned.

The housing of the present invention as set forth in claim 1, also the respective terminal accommodating chambers are arranged stepwise shifting the position in the height direction orthogonal to the insertion direction and the width direction, each of the terminals A step portion corresponding to the stepped step of the storage chamber is formed on the outer peripheral surface. Furthermore, the housing of the present invention described in claim 2 is the housing according to claim 1 , wherein the terminal engaging portion of the two crimp terminals that contact each other is the terminal engaging portion of one of the crimp terminals. The terminal engagement portions of the other crimp terminal are engaged with each other by clamping.

A joint connector according to a third aspect of the present invention is a joint connector comprising the housing according to the first or second aspect and a plurality of crimp terminals respectively inserted into the terminal accommodating chambers of the housing. Each of the crimp terminals has a first engagement portion formed at one end in the width direction and a second engagement portion engageable with the first engagement portion at the other end. The first engaging portion and the second engaging portion formed on two crimp terminals inserted respectively in two adjacent terminal accommodating chambers are disposed in the slit and contact each other.

  According to the housing of the present invention described in claim 1, since the slit is formed in the partition wall that partitions between the two adjacent terminal accommodating chambers, the two crimp terminals inserted respectively in the two terminal accommodating chambers are directly connected. Can be connected.

  Further, since the two crimp terminals can be directly connected without using the bus bar, it is not necessary to secure a space for attaching the bus bar to the housing, and the housing can be downsized.

  Furthermore, since two crimp terminals can be directly connected without using a bus bar, the number of component parts for mounting the bus bar on the housing is reduced, thereby reducing the process of managing the component parts and reducing the manufacturing cost. Can be lowered.

  Therefore, it is possible to provide a housing that can be reduced in size and reduced in manufacturing cost.

  According to the housing of the present invention as set forth in claim 2, since the step portion is formed on the outer peripheral surface corresponding to the step of each terminal accommodating chamber arranged in a staircase shape, the electric wire is fixed to the outer peripheral surface. In this case, the adhesion can be improved.

According to the joint connector of the present invention as set forth in claim 3 , the slit includes the first engagement portion and the second engagement portion formed on the two crimp terminals respectively inserted into the two adjacent terminal accommodating chambers. Are arranged so that the crimp terminals come into contact with each other. For this reason, a joint connector which does not require a bus bar can be realized.

  Therefore, it is possible to provide a joint connector that can be reduced in size and reduced in manufacturing cost.

It is a perspective view which shows the housing of the joint connector which concerns on embodiment of this invention. It is a perspective view showing a joint connector concerning an embodiment of the present invention. It is a plane which shows the case where the housing which concerns on embodiment of this invention is fixed to the wire harness. It is a perspective view which shows the crimp terminal which concerns on embodiment of this invention. It is sectional drawing which shows the connection of the crimp terminals which concern on embodiment of this invention. It is a figure which shows the conventional joint connector.

  Hereinafter, a joint connector and a housing according to an embodiment of the present invention will be described with reference to the drawings. First, with reference to FIG.1 and FIG.2, the joint connector and housing which concern on embodiment of this invention are demonstrated in detail.

  FIG. 1 is a perspective view showing a housing of a joint connector according to an embodiment of the present invention. FIG. 2 is a perspective view showing the joint connector according to the embodiment of the present invention.

  The housing according to the embodiment of the present invention is a joint connector housing in which a plurality of terminal accommodating chambers into which crimp terminals that are electrically connected to other crimp terminals are inserted are formed at intervals.

  As shown in FIG.1 and FIG.2, the joint connector 1 is substantially comprised from the housing 11 shape | molded by resin, and the crimp terminal 21 (refer FIG. 2).

  The housing 11 includes a plurality of terminal accommodating chambers 12 into which the crimp terminals 21 to which the electric wires 41 are crimped are respectively inserted, and two terminals adjacent in the width direction Y (see FIG. 2) perpendicular to the insertion direction X of the crimp terminals 21. A partition wall 13 for partitioning the storage chambers 12 is substantially configured.

  A plurality of terminal accommodating chambers 12 are formed at intervals in the width direction Y (see FIG. 2) perpendicular to the insertion direction X of the crimp terminal 21. Further, the terminal accommodating chambers 12 are arranged in a staircase shape 14 (see FIG. 1) while being shifted in the height direction Z (see FIG. 2) perpendicular to the insertion direction X and the width direction Y of the crimp terminal 21. .

  A slit 16 is formed in the partition wall 13 along the insertion direction X (see FIG. 2) from the insertion port 15 of the crimp terminal 21. In the slit 16, the terminal engaging portions 22 (see FIG. 4 described later) of the two crimping terminals 21 respectively inserted into the two terminal accommodating chambers partitioned by the partition wall 13 are positioned.

  Thus, since the slit 16 is formed in the partition wall 13 which partitions between the two adjacent terminal accommodating chambers 12, the two crimp terminals 21 respectively inserted into the two terminal accommodating chambers 12 can be directly connected. it can.

  In addition, since two crimp terminals can be directly connected without using a bus bar, there is no need to secure a space for mounting the bus bar on the housing 11, and the housing 11 and the joint connector 1 can be downsized. Can do.

  Furthermore, since the two crimp terminals can be directly connected without using the bus bar, the number of components for attaching the bus bar to the housing 11 is reduced, thereby reducing the process of managing the components, and the manufacturing cost. Can be lowered.

  Therefore, the housing and the joint connector 1 that can be reduced in size and reduced in manufacturing cost can be provided.

  Next, the shape of the outer peripheral surface of the housing according to the embodiment of the present invention will be described in detail with reference to FIG. FIG. 3 is a plan view showing a case where the housing according to the embodiment of the present invention is fixed to the wire harness.

  As described above, the terminal accommodating chambers 12 are arranged in the staircase shape 14 while being displaced in the height direction Z orthogonal to the insertion direction X and the width direction Y of the crimp terminal 21. As shown in FIG. 3, a stepped portion 18 corresponding to the stepped step 14 of each terminal accommodating chamber 12 is formed on the outer peripheral surface 17 of the housing 11.

  When the joint connector 1 (see FIG. 2) is fixed to the trunk line of the wire harness 42 by forming the step portion 18 corresponding to the stepped step 14 on the outer peripheral surface 17 of the housing 11, the step portion 18 of the housing 11 It is possible to contact the wire harness 42.

  Thus, since the wire harness 42 can be contact | abutted to the level | step-difference part 18, the contact area and frictional force of the wire harness 42 can be increased compared with the housing and joint connector in which the level | step-difference part 18 is not formed. it can.

  Moreover, the adhesive force at the time of fixing the joint connector 1 (refer FIG. 2) to the trunk line of the wire harness 42 with a tape etc. is improved, and the wire harness 42 also suppresses the sliding of the joint connector 1 in the circumferential direction of a trunk line. Can do.

  Next, a crimp terminal according to an embodiment of the present invention will be described with reference to FIG. FIG. 4 is a perspective view showing a crimp terminal according to an embodiment of the present invention.

  The crimp terminal according to the embodiment of the present invention is a crimp terminal inserted into each terminal accommodating chamber 12 (see FIGS. 1 to 3) of the housing 11 described above.

  As shown in FIG. 4, the crimp terminal 21 includes a terminal engaging portion 22 that contacts another crimp terminal, a conductor crimping portion 23 that crimps and crimps a conductor of an electric wire 41 (see FIG. 2), and an electric wire 41. And a covering caulking portion 24 for caulking the covering.

  The terminal engaging portion 22 is formed with a first engaging portion 26 at one end 25 in the width direction Y (see FIG. 2) orthogonal to the insertion direction X into each terminal accommodating chamber 12, and at the other end 27 the first engaging portion 26. A second engaging portion 28 that can be engaged with the engaging portion 26 is formed. Details of the first engaging portion 26 and the second engaging portion 28 will be described later.

  A box portion 29 is formed at the tip of the terminal engaging portion 22. For this reason, when the crimp terminal 21 is inserted into each terminal accommodating chamber 12 (see FIGS. 1 to 3), the box portion 29 comes into contact with the inner wall of the terminal accommodating chamber 12 and the crimp terminal 21 moves (insertion direction X and width). The movement in the direction perpendicular to the direction Y (see FIG. 2)) is restricted.

  In addition, a bent portion 30 is formed at one end 25 of the terminal engaging portion 22 and is bent downward in the insertion direction X (see FIG. 2) into each terminal accommodating chamber 12, and a bead 31 is formed at the other end 27. Is formed. For this reason, it is possible to ensure strength against pressure in a direction orthogonal to the insertion direction X.

  The conductor caulking portion 23 and the covering caulking portion 24 are provided with bottom walls 32 and 33 for positioning the core wire of the electric wire 41 (see FIG. 2) and caulking pieces erected by bending from the bottom walls 32 and 33. 34 and 35 are formed.

  Then, the crimping pieces 34 and 35 are bent, and are crimped and fixed so as to wrap around the electric wires 41 positioned on the bottom walls 32 and 33 (see FIG. 2).

  The crimp terminal 21 is formed by bending a single metal plate having conductivity. Therefore, the terminal engaging part 22 (the first engaging part 26, the second engaging part 28, the box part 29, etc.) can be formed at the same time when the crimping pieces 34, 35 are bent.

  Next, with reference to FIG. 5, the 1st engaging part and 2nd engaging part which were formed in the terminal engaging part are demonstrated in detail. FIG. 5 is a cross-sectional view showing the connection between the crimp terminals according to the embodiment of the present invention.

  In the crimp terminal according to the embodiment of the present invention, the first engagement portion engages with the second engagement portion formed on the other crimp terminal, so that the two crimp terminals are electrically connected to each other. The

  As shown in FIG. 5, the first engaging portion 26 is a female type (a pair of elastic piece types) that obtains an electrical connection by sandwiching a second engaging portion 28 formed on another crimp terminal. Is formed.

  Further, the second engagement portion 28 is formed in a male shape (plate shape) that is electrically connected by being sandwiched between the first engagement portions 26 of other crimp terminals.

  Therefore, as shown in FIG. 5, the first engagement portion 26 elastically sandwiches the second engagement portion 28 formed on the other crimp terminal, thereby the first engagement portion 26. Engages with the second engagement portion 28 of the other crimp terminal. The second engagement portion 28 is elastically held by the first engagement portion 26 formed on another crimp terminal. Thereby, two crimping terminals are electrically connected.

  When the crimp terminals 21 formed as described above are inserted into the two adjacent terminal accommodating chambers 12, the first engagement portion 26 and the second engagement portion formed in the two crimp terminals 21. 28 are arranged in the slit 16 and contact each other (see FIG. 2). For this reason, the joint connector 1 which does not require a bus bar is realizable.

  Thus, the terminal engagement part 22 of the crimp terminal 21 has the first engagement part 26 that functions as a female terminal on one end 25 side, and the second engagement that functions as a male terminal on the other end 27 side. A portion 28 is formed (see FIG. 4).

  For this reason, two crimping terminals can be electrically connected reliably without using a bus bar, and the crimping terminals 21 can be connected continuously in any number of poles.

  Further, since the first engaging portion 26 has elasticity and sandwiches the second engaging portion 28 of another crimp terminal, the first engaging portion 26 securely holds the second engaging portion 28. Thus, the yield ratio can be greatly improved with respect to the manufacture of the joint connector 1 (see FIG. 2).

  In the crimp terminal 21 described above, the height A of the first engaging portion 26 and the height B of the second engaging portion 28 are formed at the same height (see FIG. 4).

  For this reason, when the crimp terminals are connected to each other, the positions are shifted in the height direction Z (see FIG. 2) perpendicular to the insertion direction X and the width direction Y of the crimp terminals 21 into the terminal accommodating chambers 12. In other words, the lower surfaces of the second engaging portions 28 of the connected crimp terminals 21 are connected with a shift in the height direction (see the straight line O in FIG. 5).

  For this reason, a plurality of crimp terminals 21 can be inserted into each terminal accommodating chamber 12 (see FIGS. 1 to 3) arranged in the stepped shape 14 so that the crimp terminals can be electrically connected.

  Further, as described above, the crimp terminal 21 is first engaged with the one end 25 in the width direction Y (see FIG. 2) perpendicular to the insertion direction X into each terminal accommodating chamber 12 (see FIGS. 1 to 3). A portion 26 is formed, and a second engagement portion 28 is formed at the other end 27. For this reason, the crimp terminals can be directly connected to each other by inserting the crimp terminals 21 into the respective terminal accommodating chambers 12 from the insertion port 15.

  Further, the first engagement portion 26 can be inserted into the terminal accommodating chamber 12 even when engaged with the second engagement portion 28 of another crimp terminal.

  Thus, according to the crimp terminal 21 described above, the first engagement portion 26 is formed at one end, and the second engagement portion 28 that can be engaged with the first engagement portion 26 at the other end. Is formed. For this reason, when the first engaging portion 26 engages the second engaging portion 28 of another crimp terminal, the two crimp terminals can be directly connected without using a bus bar.

  Further, since the two crimp terminals can be directly connected without using the bus bar, it is not necessary to secure a space for attaching the bus bar to the housing 11, and the joint connector 1 can be downsized.

  Furthermore, since the two crimp terminals can be directly connected without using the bus bar, the number of components for attaching the bus bar to the housing 11 is reduced, thereby reducing the process of managing the components, and the manufacturing cost. Can be lowered.

  As described above, the housing 11 according to the embodiment of the present invention has a joint in which a plurality of terminal accommodating chambers 12 into which the crimp terminals 21 are inserted are formed at intervals in the width direction Y perpendicular to the insertion direction X of the crimp terminals 21. In the housing 11 of the connector 1, a slit 16 is formed along the insertion direction X from the insertion port 15 of the crimp terminal 21 in the partition wall 13 that partitions between the two terminal accommodating chambers 12 adjacent in the width direction Y. The slit 16 is configured such that the terminal engagement portions 22 of the two crimp terminals 21 inserted into the two terminal accommodating chambers 12 partitioned by the partition wall 13 are in contact with each other.

  Further, in the housing 11 according to the embodiment of the present invention, each terminal accommodating chamber 12 is arranged in a stepped shape 14 with its position shifted in the height direction Z orthogonal to the insertion direction X and the width direction Y. A stepped portion 18 corresponding to the stepped step 14 of the storage chamber 12 is formed on the outer peripheral surface 17.

  Furthermore, the joint connector 1 according to the embodiment of the present invention is a joint connector 1 including a plurality of crimp terminals 21 inserted into the respective terminal accommodating chambers 12 of the housing 11, and each crimp terminal 21 has a width direction. A first engaging portion 26 is formed at one end 25 of Y, and a second engaging portion 28 that can be engaged with the first engaging portion 26 is formed at the other end 27, and two adjacent terminals A first engagement portion 26 and a second engagement portion 28 formed on the two crimp terminals 21 respectively inserted into the storage chamber 12 are disposed in the slit 16 and come into contact with each other.

  And according to the housing 11 which concerns on embodiment of this invention, since the slit 16 is formed in the partition wall 13 which partitions off between the two adjacent terminal accommodating chambers 12, it inserted in the two terminal accommodating chambers 12, respectively. Two crimp terminals 21 can be directly connected.

  Further, since the two crimp terminals can be directly connected without using the bus bar, it is not necessary to secure a space for attaching the bus bar to the housing 11, and the housing 11 can be downsized.

  Furthermore, since the two crimp terminals can be directly connected without using the bus bar, the number of components for attaching the bus bar to the housing 11 is reduced, thereby reducing the process of managing the components, and the manufacturing cost. Can be lowered.

  Therefore, it is possible to provide the housing 11 that can be reduced in size and reduced in manufacturing cost.

  Moreover, according to the housing 11 which concerns on embodiment of this invention, since the level | step-difference part 18 is formed in the outer peripheral surface 17 corresponding to the level | step difference of each terminal storage chamber 12 arrange | positioned at step shape 14, outer peripheral surface When the electric wire is fixed to 17, the adhesion can be improved.

  Furthermore, according to the joint connector 1 according to the embodiment of the present invention, the slit 16 has the first engagement portion 26 formed on the two crimp terminals 21 inserted in the two adjacent terminal accommodating chambers 12 and the first engagement portion 26. Two engaging portions 28 are arranged so that the crimp terminals are in contact with each other. For this reason, the joint connector 1 which does not require a bus bar is realizable.

  Therefore, it is possible to provide the joint connector 1 that can be reduced in size and reduced in manufacturing cost.

  The housing and the joint connector of the present invention have been described based on the illustrated embodiment. However, the present invention is not limited to this, and the configuration of each part is replaced with an arbitrary configuration having the same function. be able to.

  For example, the first engagement portion of the crimp terminal according to the present invention is not limited to the shape of the first engagement portion 26 of the crimp terminal 21 shown in the above-described embodiment of the present invention, and the slit 16 of the housing 11. However, the configuration can be changed as appropriate as long as it is connected to the second engaging portion 28.

  The present invention is extremely useful for downsizing the housing and the joint connector and reducing the manufacturing cost by reducing the number of components.

DESCRIPTION OF SYMBOLS 1 Joint connector 11 Housing 12 Terminal accommodating chamber 13 Partition wall 14 Step shape 15 Insertion port 16 Slit 17 Outer peripheral surface 18 Step part 21 Crimp terminal 22 Terminal engaging part 23 Conductor caulking part 24 Covering caulking part 26 First engagement Part 28 Second engaging part 41 Electric wire 42 Wire harness

Claims (3)

A joint connector housing in which a plurality of terminal accommodating chambers into which crimp terminals are inserted is formed at intervals in a width direction orthogonal to the insertion direction of the crimp terminals,
A slit is formed along the insertion direction from the insertion port of the crimp terminal on the partition wall that partitions between the two terminal accommodation chambers adjacent in the width direction,
The slit is configured such that the terminal engaging portions that come into contact with each other of the two crimp terminals inserted into the two terminal accommodating chambers partitioned by the partition wall are located ,
The terminal accommodating chambers are arranged in a stepped manner with the positions shifted in the height direction orthogonal to the insertion direction and the width direction, and a stepped portion corresponding to the stepped step in each terminal accommodating chamber has an outer periphery. A housing formed on a surface . The housing of claim 1,
The housing is characterized in that the terminal engagement portions of the two crimp terminals that come into contact with each other are engaged with each other by sandwiching the terminal engagement portion of one crimp terminal with the terminal engagement portion of the other crimp terminal . And Haujin grayed according to claim 1 or claim 2, a joint connector and a plurality of crimp terminals to be inserted into the respective terminal receiving chambers of the housing,
Each crimp terminal has a first engagement portion formed at one end in the width direction, and a second engagement portion engageable with the first engagement portion at the other end. The first engaging portion and the second engaging portion formed on the two crimp terminals respectively inserted into the two matching terminal accommodating chambers are arranged in the slit and come into contact with each other.
A joint connector characterized by that.

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