JP2549023B2 - Outer sleeve in multi-pole connector - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an outer cylinder formed by molding a plate member punched by punching a metal plate of a raw material into an outer cylinder sleeve to be an outer pole, and rolling the plate member into a cylindrical shape. The present invention relates to an improvement in an outer cylinder sleeve in a multipolar connector in which a sleeve is used.

[0002]

2. Description of the Related Art In the multipolar connector of the above-mentioned form, the outer pole sleeve formed by rolling a plate member punched from a metal plate into a tubular shape and molding the outer pole sleeve during use is The outer cylinder sleeve is formed by winding the metal plate member because it gradually expands due to the separation of the closing surfaces of the metal plate member that is formed, and the function as the outer pole is impaired. Means have been provided to prevent the diameter of the from expanding.

This means has been developed by the applicant of the present invention as disclosed in Japanese Patent Publication No. 2-35426, and in order to prevent the cord from coming out of the assembled multi-pole connector, It is a means utilizing a cord clamp connected to the outer sleeve.

That is, as shown in FIG. 1, an outer cylinder sleeve 1 is formed by forming a metal plate member punched by punching a metal plate of a raw material into a cylindrical shape and performing a rounding process. An engaging claw piece 1 having a width to be fitted into a fitting concave portion w of a peripheral edge of a C-shaped or O-shaped cord clamp 5 on the rear end side.
A plurality of 0s are provided in parallel in the circumferential direction, and the outer sleeve 1
The pole holding member 2 made of a plug-like insulating material that fits into the inner cavity of the outer cylinder sleeve 1 is held in the inner cavity of the outer cylinder sleeve 1 through the opening at the rear end thereof. A cord clamp 5 is inserted into each of the pole pieces 3 of the pole in a state in which the core wires 40 of the cord 4 are connected, and the cord clamp 5 is fitted to the outer periphery of the outer cover 4a of the cord 4 at the rear end of the outer cylinder sleeve 1. Of the engaging claw pieces 10 that are fitted to the opening of the cord and are formed at the edge of the opening, and the fitting recesses w that are formed at the outer peripheral edge of the cord clamp 5. With this connection, the cord clamp 5 is connected to the rear end portion of the outer cylinder sleeve 1.

At this time, one of the fitting recesses w formed between the fitting recesses w formed on the outer peripheral edge of the cord clamp 5 is a metal plate member. Butting surface 1 of the plate member of the outer sleeve 1 formed by rolling
With respect to a, the outer cylindrical sleeve 1 is positioned so as to extend in the circumferential direction of the outer cylindrical sleeve 1, so that the multipolar connector A is assembled as shown in FIG.
Means for preventing the opening from opening from the abutting surface 1a by means of the fitting recesses w formed on the outer peripheral edge of the cord clamp 5 and the engaging claw pieces 10 of the outer sleeve 1 fitted therein. Is.

[0006]

DISCLOSURE OF THE INVENTION The above-mentioned means is a cord clamp 5 which is fitted and connected to the rear end portion of the outer cylinder sleeve 1.
In the case where a C-shaped cord clamp having a cleavage surface z in a part in the circumferential direction is used, the cord clamp 5 is attached to the outer sleeve 1.
When the cord clamp 5 is fitted into the opening at the rear end and assembled, the cleavage surface z formed for assembling on the outer circumference of the outer cover 4a of the cord 4 is the engaging claw of the outer sleeve 1. Piece 1
Of the engaging grooves 12 formed between 0 ..., it is necessary to perform alignment so that the abutting surface 1a is not located in the engaging groove 12 in which it is located.

This is the abutting surface 1a in the engaging groove 12 between the engaging claw pieces 10 at the rear end of the outer sleeve 1.
When the cord clamp 5 is connected in a state in which the cleavage surface z of the cord clamp 5 is located in the engagement groove 12 in which the cord clamp 5 is located, the cord clamp 5 expands from the cleavage surface z together with the outer sleeve 1. Because it will be.

From this, therefore, when the C-shaped cord clamp 5 is used, this means is the outer cylinder sleeve 1.
When the cord clamp 5 is fitted to the cord clamp 5, the cord clamp 5 is aligned so that the cleavage surface z is not positioned in the engagement groove 12 having the abutting face 1a. The outer peripheral surface of the outer skin 4 a of the outer sleeve 4 a cannot be rotated with respect to the cord 4, and the pole holding member 2 fits with the guide 11 provided on the inner surface of the outer sleeve 1 to form a fitting groove portion. 20 is provided on the peripheral surface,
In the state where the pole holding member 2 is fitted, the pole holding member 2 and the outer cylinder sleeve 1 cannot be rotated together with the pole holding member 2, so provisional alignment of the fit between the pole holding member 2 and the outer cylinder sleeve 1 is performed. First, in that state, the cord clamp 5 is fastened to the cord 4 such that the split surface z of the cord clamp 5 is the abutting surface 1 of the outer sleeve 1.
It is predicted that it will not be aligned with a, and the pole holding member 2 will be fitted and inserted into the outer cylinder sleeve 1 in that state, so there may be a deviation during this operation, There is a problem that the assembly operation is troublesome.

Also, when the O-shaped cord clamp 5 without the cleavage surface z is used, the cord clamp 5 is located between the fitting recesses w formed side by side in the circumferential direction on the periphery of the cord clamp 5. One of the engaging protrusions y ... Enters between the abutment claw piece 10 and the engaging claw piece 10 which are arranged in parallel with each other with the abutting surface 1a of the outer sleeve 1 interposed therebetween.
Since a becomes wider, there arises a problem that an operation for locating the engaging protrusions y ... Is required to prevent such a situation.

The present invention has been made in order to solve this problem that has occurred in the conventional means, and the cord clamp 5 is assembled without considering the position of the abutting surface 1a of the outer sleeve 1, It is an object of the present invention to provide new means for preventing the outer sleeve 1 from expanding in the radial direction.

[0011]

In the present invention, as a means for achieving this object, a plate member punched from a metal plate having a spring property and having good electric conductivity is provided with its left and right side edges. A plurality of engaging claw pieces, which are formed by butting into a tubular shape and fit in a fitting concave portion w formed on the peripheral edge of the cord clamp, are provided at the edge of the opening on the rear end side in the circumferential direction. In the outer sleeve of the multipolar connector installed side by side, a pair of engaging claw pieces facing the abutting surface formed by abutting the left and right side edges of the plurality of engaging claw pieces, The present invention provides an outer cylinder sleeve for a multipolar connector, which is arranged and installed so that the side edges on the abutting surface side are aligned with the abutting surface.

[0012]

According to the means of the present invention configured as described above, the engaging claw pieces 10 provided in parallel in the circumferential direction are provided at the edge of the opening on the rear end side of the outer cylinder sleeve 1 formed by rolling a metal plate. A pair of abutment claw pieces 10, 10 facing the abutting surface 1a
However, when the metal plates of the material are rolled into a tubular shape, they are joined to each other and there is no space between them. One of the abutting portions y ... Enters between the pair of engaging claw pieces 10 and the engaging claw pieces 10, and pushes between them to expand the abutting surface 1a. , Assembling the cord clamp 5 is facilitated.

[0013]

Embodiments Next, embodiments will be described in detail with reference to the drawings. In the drawings, the same reference numerals are used for components having the same effects as those of the conventional means.

FIG. 3 is a perspective view of a multipolar connector A embodying the present invention during assembly. In FIG. 3, 1 is an outer sleeve, 2 is a pole holding member, 3 ... Indicates a cord clamp.

The outer cylinder sleeve 1 is formed by rolling a plate member a punched by punching a metal plate having a spring property and good electric conductivity into a predetermined shape as shown in FIG. And the left and right side edges b, b of the plate member a are butted against each other to form a butting surface 1 formed by the side edges b, b.
Although a is formed in the sleeve provided on the peripheral wall of the body, the engaging claw pieces 10 ... Provided on the edge of the opening on the rear end side (the right end side in FIG. 3) are the abutting surfaces 1a. The pair of engaging claw pieces 10, 10 that are close to each other are formed so that the side edges on one side are joined to each other.

That is, when the engaging claw pieces 10 ... Are formed on the rear end edge side of the plate member a which is punched from a metal plate after being formed into a predetermined shape, among the engaging claw pieces 10 ... , The engaging claw piece 1 that faces the left and right side edges b and b that are the abutting surfaces 1a
0 and 10 are the side edges on the outer edge side of the side edge b of the plate member a.
・ A pair of engaging claw pieces 10, 10 which are formed so as to be aligned with b and thereby come close to the abutting surface 1a when the plate member a is formed into a tubular shape are shown in FIG. As described above, the engaging claw pieces 10a are joined to each other on the abutting surface 1a to form one continuous engaging claw piece 10a.

In this case, the engaging claw piece 1 formed on the plate member a
0 of the engaging claw pieces 10, 10 formed at the positions facing the side edges b, b have a width d of the other engaging claw pieces 1.
The plate member a is formed so as to have a width D of 0 ...
When is formed into a tubular shape, the width of one engaging claw piece 10a formed by joining the engaging claw pieces 10 and 10 is equal to the width D of the other engaging claw pieces 10 ... It is effective to do so.

This allows the widths of the engaging grooves 12 formed between the engaging claw pieces 10 to be evenly arranged and equally distributed in the circumferential direction. The engaging protrusions y of the outer peripheral edge of the cord clamp 5 are fitted into the engaging grooves 12, and the cord clamp 5 is fitted and connected to the rear end of the outer sleeve 1. When you go
As described above, the split surface z of the cord clamp 5 is not aligned with the abutting surface 1a of the outer cylinder sleeve 1. The cord clamp 5 is randomly fitted to the rear end of the outer cylinder sleeve 1. Will be obtained at.

Next, in FIG. 8, the width of the pair of engaging claw pieces 10 and 10 provided at the position facing the abutting surface 1a is made the same as the width of the other engaging claw pieces 10. An example is shown in which the outer cylinder sleeves 1 are aligned and formed on the rear end edge.

In this embodiment, the abutting surface 1a
The width of the engaging claw piece 10a formed in a continuous state by the pair of engaging claw pieces 10 and 10 that are butted against each other on the upper side is 2 times the width of the other engaging claw pieces 10 ...
Double. Therefore, when the engaging grooves 12 formed between the engaging claw pieces 10 have the same width, the interval pitch of the engaging grooves 12 is the pair of engaging claw pieces 10.
Will spread at the part of one engaging claw piece 10a formed by joining, and the fitting protrusion y formed on the outer peripheral edge of the cord clamp 5 as shown in FIG.
Will be arranged and formed at the corresponding positions.

In this embodiment, the cord clamp 5
Is fitted to the rear end of the outer cylinder sleeve 1 and is connected, the wider fitting of the fitting recesses w ... Formed between the fitting protrusion y of the cord clamp 5. It is necessary to align the concave portions w so as to correspond to the two adjacent engaging claw pieces 10a. For the alignment, the fitting protrusions y of the cord clamp 5 are arranged on the outer sleeve. If it fits in the engaging groove 12 of No. 1, it means that it is done correctly, and if it does not fit, it will be in a state where alignment is not done correctly, so no special consideration is required and it is easy. Can be done.

Next, FIG. 10 shows another embodiment. In this embodiment, the outer cylinder sleeve 1 has a butting surface 1a of the engaging claw pieces 10 formed at the rear end portion thereof.
As shown in FIG. 6 or FIG. 8, the pair of engaging claw pieces 10 facing each other are joined to each other to form one engaging claw piece 10.
Although forming and arranging so as to form a is the same as that of the above-described embodiment, the cord clamp 5 fitted to the rear end portion of the outer cylinder sleeve 1 has no cleavage surface z. This is an example of O type.

The O-type cord clamp 5 includes a cord 4
In the state before use in which it is not fastened to the outer periphery of the outer skin 4a, the body 5a has an elliptical shape as shown in FIG.
A cord insertion hole 5b for inserting the central cord 4 is formed in a substantially circular shape, and the cord 4 is inserted through the cord insertion hole 5b, and the body 5a is crushed in the major axis direction. Then, as shown in FIG. 12, the central cord insertion hole 5b is crushed into an ellipse and caulked to the outer skin 4a of the cord 4, and at the same time, the body 5a is deformed into a substantially perfect circle and the rear sleeve 1 The shape corresponds to the end portion.

When the O-type cord clamp 5 is used, however, the cord clamp 5 is as shown in FIG.
Fitting protrusions y ... Installed on the outer peripheral edge thereof are formed to have the same width and are formed at positions equidistantly arranged in the circumferential direction, and are formed between the fitting protrusions y ... The engaging claw pieces 10 formed in the rear end of the outer sleeve 1 are formed on the abutting surface 1a as shown in FIG. 6 described above. One engaging claw piece 1 formed by a pair of engaging claw pieces 10 that are joined to each other
0a and the like are formed at positions equidistantly arranged in the circumferential direction, and the equidistant state corresponds to the cord clamp 5, the cord 4 is crimped to the outer periphery of the outer skin 4a. Connect the cord clamp 5 to the outer sleeve 1
The engaging claw pieces 10 at the rear end can be randomly fitted and connected.

Of the engaging claw pieces 10 formed at the rear end portion of the outer sleeve 1, a pair of engaging claw pieces 10, 10 joined on the abutting surface 1a are shown in FIG. As described above, the width of one engaging claw piece 10a formed by connecting them is different from the width of the other engaging claw pieces 10 ... When the fitting projections y ... And the fitting recesses w at the outer peripheral edge are formed so as to correspond thereto, the fitting projections y ... And the fitting recesses w. 10a and engaging groove 12 at the rear end of the outer sleeve 1
The state position where the fitting with the ... Is allowed is selected, and the fitting and connection are performed.

[0026]

As described above, the outer sleeve 1 of the multipolar connector according to the present invention is formed with the engaging claw piece 1 formed so as to be circumferentially juxtaposed to the edge of the opening at the rear end thereof.
0, a pair of engaging claw pieces 10, 10 facing each other with the abutting surface 1a sandwiched therebetween are joined together so as to form one engaging claw piece 10a on the abutting surface 1a. Since the side edge on the side of the surface 1a is formed at a position aligned with the abutting surface 1a, the abutting surface 1a of the outer sleeve 1 is engaged by a pair of engaging claw pieces 10, 10 which are joined to each other. The engaging groove 12 between the engaging claw pieces 10 is located in the engaging claw piece 10a in the state of the claw piece.
The cord clamp 5
Are fitted into the engaging grooves 12 between the engaging claw pieces 10 of the outer cylinder sleeve 1 so that the fitting protrusions y of the peripheral edge of the engaging claw pieces 10 ... As long as the engaging claw pieces 10 ... Are fitted into the fitting recesses w ... of the peripheral edge of the cord clamp 5, the engaging claw pieces 10a on which the abutting surface 1a of the outer sleeve 1 is located are attached to the cord clamp 5. The fitting protrusion y and the fitting protrusion y and the like are sandwiched between them, and the outer sleeve 1
The butting surface 1a of the above is held in a closed state. Therefore, according to the means of the present invention, the outer sleeve 1
The cord clamp 5 can be assembled without considering the position of the abutting surface 1a of the outer cylinder sleeve 1 to prevent the outer cylinder sleeve 1 from expanding in the radial direction.

[Brief description of drawings]

FIG. 1 is a perspective view of a conventional multipolar connector during assembly.

FIG. 2 is a perspective view showing a state in which an outer sleeve and a cord clamp of the multipolar connector are fitted and connected to each other.

FIG. 3 is a perspective view during assembly of a multipolar connector using an outer sleeve according to the present invention.

FIG. 4 is a perspective view showing a state in which an outer sleeve of the multipolar connector and a cord clamp are fitted and connected to each other.

FIG. 5 is a plan view of a plate member made of the material of the outer sleeve of the multipolar connector of the above.

FIG. 6 is a perspective view of an essential part of the outer cylinder sleeve in the same state as it is formed.

FIG. 7 is a rear view showing a state where the cord clamp of the outer sleeve is fitted with the same.

FIG. 8 is a perspective view of a main portion of another embodiment of the outer sleeve according to the present invention.

FIG. 9 is a rear view showing a state where the cord clamp of the outer sleeve is fitted with the same.

FIG. 10 is a perspective view during assembly of a multipolar connector in which an outer sleeve according to the present invention and an O-shaped cord clamp are combined.

FIG. 11 is a front view of the O-type cord clamp used for the multipolar connector in the same state before use.

FIG. 12 is a front view of the O-type cord clamp of the above, which is crimped.

[Explanation of symbols]

A: multi-pole connector, a: plate member, b: side edge, D:
Width, d Width, w ... Fitting recess, y ... Fitting projection, z
...... Cleaving surface, 1 ... Outer cylinder sleeve, 1a ... Butting surface, 10 ... Engaging claw piece, 10a ... Engaging claw piece, 11 ...
Guide, 12 ... Engagement groove, 2 ... Pole holding member, 20 ...
Mating groove, 3 ... pole piece, 4 ... cord, 4a ... outer skin,
40 ... core wire, 5 ... cord clamp, 5a ... body, 5b ... cord insertion hole.

Claims (3)

(57) [Claims] 1. A plate member a punched from the energization of good metal plate with spring properties against the side edges b · b of the left and right it was molded into a cylindrical shape, its Re rear end side of the mouth opening of the to the mouth edge, call
Width that fits into the fitting recess w formed on the periphery of the clamp 5
Of the plurality of engaging claw pieces 10, 10 ... In the outer sleeve 1 of the multipolar connector in which the plurality of engaging claw pieces 10 , 10 ... , A pair of engaging claw pieces 10, 10 facing the abutting surface 1a formed by abutting the left and right side edges b, b so that the side edges on the abutting surface 1a side are aligned with the abutting surface 1a. An outer cylinder sleeve in a multipolar connector characterized in that the outer sleeve is arranged and installed. 2. A metal plate having spring properties and good electrical conductivity is used for punching.
Butt the left and right side edges b and b of the removed plate member a
The outer cylinder sleeve 1 of the multi-pole connector formed by
In parallel with the edge of the opening on the rear end side in the circumferential direction.
Of the plurality of engaging claw pieces 10, 10 ...
Butt formed by abutting the left and right side edges b
A pair of engaging claw pieces 10 facing the mating surface 1a
The side edge on the side of the abutting surface 1a is the abutting surface 1
and So設coordinated to align in a, and a circumferential width of the pair of Kakarigotsumehen 10, 10 facing the abutting surfaces 1a, other Kakarigotsumehen 10, 10 ... width of An outer cylinder sleeve for a multi- pole connector formed in approximately one-half. [Claim 3] Strike from a metal plate with spring property and good electrical conductivity
Butt the left and right side edges b and b of the removed plate member a
The outer cylinder sleeve 1 of the multi-pole connector formed by
In parallel with the edge of the opening on the rear end side in the circumferential direction.
Of the plurality of engaging claw pieces 10, 10 ...
Butt formed by abutting the left and right side edges b
A pair of engaging claw pieces 10 facing the mating surface 1a
The side edge on the side of the abutting surface 1a is the abutting surface 1
are arranged so as to be aligned with a, and the circumferential width of the pair of engaging claw pieces 10, 10 facing the abutting surface 1a is approximately equal to the width of the other engaging claw pieces 10 , 10 . The engaging claw piece 10a is formed in half and the pair of engaging claw pieces 10 and 10 are continuously joined to each other.
An outer cylinder sleeve in a multipolar connector formed at positions equidistantly arranged with 0 in the circumferential direction.