JPH0945384A - Pressure contact connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the size of the constitution. SOLUTION: In a terminal 20, two pressure contact edges 21 and 22 different in height are juxtaposed on a straight line in the axial direction of a pressure contact electric wire 40, and are arranged in a stairs shape, and the terminal 20 is held in a housing 10 being a first case by turning the pressure contact direction upward. On the other hand, in a cover 30 as a second case to cover this housing 10, when a trunk line electric wire 41 and a branch line electric wire 42 are housed in response to the pressure contact edges 21 and 22 arranged in a stairs shape in this terminal 20, they are housed in a stairs shape by being opposed to the respective pressure contact edges 21 and 22 while superposing them on each other by interposing a shelf board between the respective electric wires 41 and 42. When the cover 30 and the housing 10 are opposed to each other and are united together, the stairs-shaped pressure contact edges 21 and 22 are pressed against the opposing stairs-shaped branch line electric wire 42 and trunk line electric wire 41, and are connected in pressure contact to respective ones. At this time, though the pressure contact edges are pressed against the superposed electric wires, since they are placed on the shelf board, they can be orderly connected in pressure contact.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pressure contact connector, and more particularly to a pressure contact connector that holds a plurality of pressure contact blades by opening them in the same direction.

[0002]

2. Description of the Related Art Conventionally, in this type of press-connecting connector, a slit-like press-connecting blade is formed in parallel on a terminal made of a flat metal plate, and two press-connecting wires arranged in parallel are orthogonally connected for press-connecting. There is. Here, the respective pressure contact blades are formed at the same height, and when a plurality of sets of electric wires are pressure contact connected, they are arranged side by side in a row.

[0003]

In the above-described conventional press-connecting connector, the electric wires to be press-connecting are arranged in a row in the lateral direction, so that the wire as a whole has to be wide.

The present invention has been made in view of the above problems, and an object thereof is to provide a press-connecting connector which can be made more compact.

[0005]

In order to achieve the above object, the invention according to claim 1 provides a terminal in which a plurality of press contact blades having different heights are arranged in a straight line in the axial direction of the press contact electric wire and arranged in a stepwise manner. A first case having an opening on one surface and accommodating the terminal with the pressure contact direction facing the opening direction, and a plurality of pressure contacts that can cover the opening of the first case and that are arranged in a step shape in the terminal When accommodating a plurality of pressure contact electric wires corresponding to the blades, a shelf is interposed between the electric wires so that the electric wires are overlapped with each other, and a second case which faces the respective pressure contact blades and accommodates them in a stepwise manner is provided. is there.

The invention according to claim 2 is the same as claim 1.
In the press-connecting connector according to [4], the shelf plate is formed separately from the second case.

[0007]

In the invention according to claim 1 configured as described above, a plurality of press-connecting electric wires are housed in a stepwise manner while the shelf plate is interposed in the second case, and the second case is It can be combined with the first case. The terminal is provided with pressure contact blades which are linearly overlapped with each other in the axial direction of the pressure contact electric wire while having different heights in a stepwise manner, and are held in the first case. When the second case and the first case are combined together, the press contact blades and the press contact electric wires are pressed against each other with their stair surfaces facing each other, and press connected. Here, since each press-contact wire is supported by the second case via the shelf plate, the support is not unstable due to the elasticity of other overlapping press-connect wires, and when the press-contact blades are pressed against each other. It is firmly supported and pressure connected.

Further, in the invention according to claim 2 configured as described above, since the shelf plate is separate from the second case, the shelf is provided after the press-connecting electric wires are accommodated in the second case. By mounting a plate and further accommodating a pressure contact electric wire thereon, the shelf plate is interposed between both electric wires.

[0009]

As described above, according to the present invention, a plurality of press-connecting electric wires are overlapped with each other to narrow the widthwise direction, and the shelf-board is interposed and held so that the press-fitting electric wires are pressed against each other. Thus, it is possible to provide a press-connecting connector that enables accurate press-connecting when it is performed. Further, according to the invention of claim 2, since the shelf plate can be attached and detached, it can be easily accommodated from the lower electric wire, and the workability can be improved.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings. 1 is a perspective view showing a press-connecting connector according to an embodiment of the present invention. A housing 10 as a first case shown in FIG. 2 accommodates four terminals 20, and a second case shown in FIG. A casing 50 is formed which is united with the cover 30 as a case and penetrated by the pressure contact electric wire 40. In the figure, the terminal 20 has slit-shaped notches 21a and 22a formed at both ends of a metal strip material toward the opposite ends to form a pressure contact blade 2
1 and 22, the press contact blades 21 and 22 are formed by bending the press contact blades 21 and 22 at right angles in the same direction with different lengths, and the press contact blades 21 and 22 having different heights are exactly the shafts of the press contact electric wires. They are arranged in a straight line in the direction and arranged in a staircase.

In this embodiment, two pressure contact blades 21 and 22 having different heights are formed by folding back both ends of the strip plate material. However, a plurality of pressure contact blades having different heights are arranged in the axial direction of the pressure contact electric wire. The terminals 20 may be arranged in a straight line, and the overlapping terminals 20 may be formed by another method such as forming a larger number of press contact blades as shown in FIGS. 4 and 5. The housing 10 has two support walls 12 and 13 which are vertically arranged adjacent to each other on a plate-shaped substrate 11,
Each support wall 12, 13 has four notches 12a, 13
a is formed. Each notch 12a, 13a is provided with a groove 12a1, 13a1 corresponding to the thickness of the terminal 20 on the inner surface facing each other so as to sandwich and support the front and rear pressure contact blades 21, 22 of the terminal 20. Of course,
Both support walls 1 corresponding to the pressure contact blades 21 and 22 having different heights
2, 13 also have different heights, and when the terminal 20 is accommodated, the upper ends of the press contact blades 21, 22 and the support walls 12, 1
The upper end of 3 is aligned. A mounting table 14 for mounting the press-connecting electric wires is provided on the front side of the support wall 12 alongside the support wall 12 corresponding to each notch 12a.

In the present embodiment, the notches 12a and 13a are formed in the support walls 12 and 13 which are orthogonal to the press contact direction to accommodate the terminal 20, but the terminal 20 is not limited to such a configuration and any type of structure can be used. The terminal 20 may be accommodated by a method. Further, since the support walls 12, 13 and the like are formed upright on the substrate 11, the housing 10 does not have a housing shape, but the press-connecting wire should be pressed at least when the terminal 20 is housed. In order to enable the above, it is sufficient that the surface that coincides with the opening direction of the press contact blade is open. The cover 30 has a shape capable of covering the upper surface, both side surfaces and the rear surface of the housing 10.
Four electric wire lead-out grooves 31a are formed in the rear wall 31 so as to face the cutout portions 13a of the support wall 13. Also,
The inner ceiling 32 of the cover 30 is formed with four electric wire grooves 32a which are recessed in an arc shape corresponding to the four pressure contact electric wires. On the other hand, the inner peripheral side surfaces 33, 33 have shelf plate supporting grooves 33a, 33a formed in parallel with the inner peripheral ceiling surface 32 from the front side, and are parallel to the inner peripheral ceiling surface 32 from the front side of the cover 30. A plate-shaped shelf board 34 can be mounted. A trunk wire 41, which is a pressure-bonded electric wire 40, can be accommodated between the inner peripheral ceiling surface 32 and the shelf board 34, and a surface of the shelf board 34 opposite to the inner peripheral ceiling surface 32 has four edges. Book branch line electric wire 4
Two pairs of ribs 34a capable of holding 2 are formed. The shelf plate 34 is mounted at a position facing the pressure contact blade 21 on the lower side when the cover 30 is mounted on the housing 10,
The tip of the branch line electric wire 42 is held at the position. Therefore, the tip of the branch line electric wire 42 which does not penetrate the cover 30 is superposed on the main line electric wire 41 which penetrates the cover 30, and the tip position gradually shifts rearward as it is superposed, just, It is arranged in a staircase.

In the present embodiment, the cover 30 covers the upper surface, both side surfaces, and the rear surface from above the housing 10, but can be appropriately modified depending on the shape of the housing 10 side, and at least. It is sufficient that the opening portion of the housing 10 can be covered from the opening direction of the press contact blade 21 in the terminal 20 housed in the housing 10. In addition, after accommodating the trunk wire 41, the shelf board 34 is mounted in the shelf support grooves 33a, 33a, and the ribs 34a of the shelf board 34 hold the branch wire 42, whereby the trunk wire 41 and the branch wire 42 Although it is designed to be superposed and supported, it is also possible to fix the shelf plate 34 in advance so that the main wire 41 can be inserted therethrough. However, by allowing the shelf plate 34 to be retrofitted in this manner, the work of mounting the press-connecting electric wire 40 becomes easy.

A ridge 15 and a groove 35 are formed on the side surfaces of the housing 10 and the cover 30 so as to be parallel to the merging direction, and guide the rectilinear movement during merging. Further, in this embodiment, one shelf plate 34 is used, but the number of pressure contact electric wires 40 to be superposed and supported changes according to the number of pressure contact blades formed on one terminal 20, and The number of shelf boards 34 may be increased according to the above. For example, as shown in FIG. 5, when four pressure contact blades are formed on the terminal 20 in a stepwise manner, the pressure contact wire 40 also requires three branch line wires 42 in addition to the main wire 41. The shelf plate 34 is interposed for each of the three branch line electric wires 42. Also at this time, the ends of the branch line electric wires 42 are arranged in a staircase pattern corresponding to the terminals 20, and the shelf plate 34 is also arranged in a shelf plate pattern to face each pressure contact blade.

Next, the operation of the present embodiment having the above configuration will be described. In the housing 10, the support wall 12,
The terminal 20 is housed in the four notches 12a and 13a formed in the housing 13, and as shown in FIG.
After accommodating according to 1a, shelf plate support grooves 33a, 33a
The shelf plate 34 is slid and attached from the opening side of the branch line electric wire 42 so that the end portion is located on the shelf plate 34.
Is held by each rib 34a. From this state, as shown in FIG. 6, the side of the housing 10 is turned upside down and the cover 3
Insert into 0. As described above, the pressure contact blades 21 and 22 having different heights are held in a stepwise manner on the housing 10 side, and the branch wire 42 is also held in a stepwise manner on the cover 30 side with respect to the main wire 41. Therefore, the pressure contact blades 21 on the lower side are pressed against the branch line electric wires 42 placed on the shelf plate 34 with the step portions facing each other, and the pressure contact blades 22 on the higher side are attached to the inner peripheral ceiling surface 32 of the cover 30. It will be pressed down by the mounted mains electric wire 41, and each will be pressure-welded and connected as shown in FIG.

At this time, since the main wire 41 is supported on the inner peripheral ceiling surface on the back side, the press-connecting blade 22 is pressed and connected without any problem when pressed down.
In the above, if there is no shelf plate 34 when the pressing blade 21 is pressed, it will be pressed against the superposed main wire 41. If the main electric wire 41 is held on the base, even if the press contact blade 21 is pressed against the branch electric wire 42, the main electric wire 41 may be bent and absorb the pressing force, so that the press contact connection may not be performed properly. However, by interposing the shelf plate 34 between the pressure-bonded electric wires 40 to be overlapped with each other, the pressure-bonded connection can be performed properly as shown in FIG. 7. In the case of the terminal 20 in which the four pressure contact blades shown in FIGS. 4 and 5 are formed in a stepped shape, four pressure contact wires 40
The respective pressure contact blades are pressure contacted and connected to each other as shown in FIG.

As described above, in the terminal 20, the two pressure contact blades 21 and 22 having different heights are arranged in a straight line in the axial direction of the pressure contact electric wire 40 and arranged in a stepwise manner. It is held by the housing 10 which is the first case. On the other hand, in the cover 30 as the second case that covers the housing 10, in order to accommodate the main wire 41 and the branch wire 42 in correspondence with the pressure contact blades 21 and 22 arranged in a step shape in the terminal 20, While pressing the shelf plate 34 between 41 and 42 and superimposing them, the respective pressure contact blades 21 and
The cover 3 is housed in a staircase facing the 2
0 and the housing 10 are made to face each other and combined, the stepwise branch line electric wire 42 in which the stepwise pressure contact blades 21 and 22 face each other.
And the main wire 41 are pressed and connected by pressure welding. At this time, the pressure contact blades are pressed against the superposed electric wires, but since they are placed on the shelf plate 34, they can be properly pressure contact connected.

[Brief description of drawings]

FIG. 1 is a perspective view of a press-connecting connector according to an embodiment of the present invention.

FIG. 2 is an exploded perspective view of a housing of the same pressure contact connector.

FIG. 3 is an exploded perspective view of a cover of the press-connecting connector.

FIG. 4 is a development view of a terminal according to a modified example.

FIG. 5 is a perspective view showing an assembled state of the terminal.

FIG. 6 is a perspective view of an assembling process of the press contact connector.

FIG. 7 is a partial cross-sectional view of the same pressure contact connector when the assembling is completed.

FIG. 8 is a partial cross-sectional view of a press-connecting connector according to a modification when the assembling is completed.

[Explanation of symbols]

 10 ... Housing 12, 13 ... Supporting wall 20 ... Terminal 21, 22 ... Pressing blade 30 ... Cover 33, 33 ... Inner peripheral both side surfaces 33a, 33a ... Shelf plate supporting groove 34 ... Shelf plate 40 ... Pressing electric wire

Claims (2)

[Claims] 1. A terminal in which a plurality of pressure contact blades having different heights are arranged in a straight line in the axial direction of the pressure contact electric wire and arranged in a stepwise manner; The first case to be accommodated and the opening of the first case can be covered, and when accommodating a plurality of pressure-welded wires corresponding to the plurality of step-shaped pressure-contact blades of the terminal, a shelf is provided between the wires. A press-connecting connector, comprising: a second case that is stacked with a plate interposed therebetween and that is faced to each press-connecting blade and accommodates in a stepwise manner. 2. The press-connecting connector according to claim 1, wherein the shelf plate is formed separately from the second case.