JPH1074561A - Lever type connector - Google Patents

Abstract

PROBLEM TO BE SOLVED: To change the direction of mounting a housing cover and prevent counter-insertion. SOLUTION: A counter-insertion preventing strip 24 is provided on a female connector housing 20 to be protruded from a housing storage port 31a in the condition that a housing cover 30 is mounted in the non-reversible direction. The housing cover 30 has a through hole formed to protrude the counter- insertion preventing strip 24 when it is mounted in the reversible direction. On the other hand, a counter-insertion preventing strip receiving groove 16 is formed in a male connector housing 10 to be engageable with the counter- insertion preventing strip 24. In this way, when the housing cover 30 is mounted in the non-reversible or reversible direction, the counter-insertion preventing strip 24 is engaged with the counter-insertion preventing strip receiving groove 16 in a regularly inserted condition to allow counter-insertion prevention between both female and male connectors M, F.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a lever-type connector having a lever on a housing cover.

[0002]

2. Description of the Related Art Some connectors are provided with a lever for facilitating connection. For example, in the lever-type connector shown in FIG. 9, the lever 1 is mounted on a housing cover 3 that covers the female connector housing 2, and the lever 1 can be engaged with a rack 5 formed on the male connector housing 4. The main teeth 6 are notched. When the lever 1 is rotated while the teeth 6 and the rack 5 are engaged with each other, the male and female connector housings 2 and 4 move in the coupling direction with each other.

[0003] The housing cover 3 has a housing accommodating opening 7 which is opened on the right side in the figure, and accommodates the female connector housing 2 through the housing accommodating opening 7. A rear portion (a back portion in the figure) of the housing accommodating port 7 is an electric wire outlet 8 so that a plurality of electric wires drawn from the female connector housing 2 are drawn out of the female connector housing 2 in a bundled state. Has become.

[0004]

However, in the above configuration, the housing cover 3 can be attached to the female connector housing 2 only from the left direction (upper left direction in FIG. 9) due to the relationship between the teeth 6 and the rack 5. It has become. Therefore, when the housing cover 3 is mounted, the electric wire outlet 8
Was always arranged on the right side when viewed from the front, reducing the degree of freedom in routing the wires.

On the other hand, if the housing cover is configured to be attached to the female connector housing from either the left or right direction, the wire outlet can be selectively arranged on either the left or right side. The degree of freedom in work can be increased. However, if the configuration is such that the housing cover can be mounted from either the left or right direction, it is necessary to enable the connection of the male and female connectors even if the housing cover is mounted in either direction.
Inevitably, reverse insertion between the male and female connectors is allowed. The present invention has been made in view of the above circumstances, and has as its object the purpose of mounting a lever on a housing cover, in which the mounting direction of the housing cover can be changed and reverse insertion into a mating connector can also be prevented. To provide a simple lever-type connector.

[0006]

In order to achieve the above object, a lever-type connector according to the present invention is provided on one of male and female connector housings which can be connected to each other, to cover the connector housing and draw out an electric wire. In a lever type connector having a configuration in which a housing cover having an electric wire outlet on one side is mounted, and a lever is attached to the housing cover to move the male and female connector housings in a coupling direction by a rotating operation. A cam groove is formed which engages with an engagement pin formed in the mating connector housing and moves the engagement pin in the coupling direction of the male and female connector housings by a cam action based on a rotation operation of the lever. A connector housing in which the engaging pin and the insertion opening of the cam groove for the engaging pin are respectively provided. The connector cover is disposed on a center line in a direction orthogonal to the coupling direction of the male and female connector housings, and the housing cover is inverted with respect to the connector housing in a direction in which both side surfaces facing the rotation axis direction of the lever are inverted and not inverted. The connector housing is provided with a reverse insertion prevention portion and a reverse insertion prevention receiving portion that can be engaged with each other in the coupled state, and the housing cover includes It is characterized in that a through-hole for exposing the reverse insertion prevention portion and engaging with the reverse insertion prevention receiving portion when mounting in the inverted direction or the non-inverted direction is formed.

[0007]

According to the present invention, the lever is attached to the housing cover. The insertion opening for the engaging pin in the cam groove of the lever is arranged on a center line in a direction orthogonal to the connecting direction of the male and female connector housings in the connector housing.
That is, even if the housing cover is mounted on the connector housing in a direction in which both sides facing the rotation axis direction of the lever are reversed, the position of the insertion opening of the cam groove does not change. Therefore,
Since the housing cover can be attached to the connector housing in both inverting and non-inverting directions on opposite sides of the lever in the rotation axis direction of the lever, the position of the wire outlet can be selectively changed, As a result, the degree of freedom of wiring is increased, and the wire routing work can be performed efficiently.

Further, a through hole is formed in the housing cover so that the reverse insertion preventing portion and the reverse insertion preventing receiving portion are engaged when the male and female connectors are connected, regardless of whether the housing cover is mounted in the inverted or non-inverted direction. Can be combined. Therefore, even in a configuration in which the mounting of the housing cover can be performed in either the inverted or non-inverted direction, it is possible to prevent reverse insertion in the male and female connectors.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of a lever-type connector according to the present invention will be described below with reference to FIGS. As shown in FIG. 1, the lever-type connector of the present invention includes a male connector M mounted on a board (not shown),
And a female connector F having a lever 40 and the like.

(Male Connector) The male connector M is shown in FIG.
As shown on the left side of FIG. 1, a male connector housing 10 formed in a flat rectangular parallelepiped in the horizontal direction (from the lower left to the upper right in FIG. 1) is provided, and the female connector housing 2 is provided therein.
An accommodation chamber 11 for accommodating 0 is formed. The male connector housing 10 has a plurality of male terminal fittings 12 attached thereto.
One end of the projection 2 projects into the accommodation chamber 11, and the other end is bent substantially at a right angle so as to be soldered to the substrate. In the accommodating chamber 11, guide protrusions 14 are provided at four corners thereof so as to form guide grooves 13 between left and right side walls (a front side wall and a rear side wall in FIG. 1). . Further, a pair of engagement pins 15 are formed in the housing chamber 11 so as to protrude from the bottom surface and the ceiling surface (only the engagement pins 15 formed on the bottom surface are shown in FIG. 1). This engagement pin 15
Are disposed on the center line in the lateral direction (the direction perpendicular to the connecting direction of the male and female connector housings according to the present invention). In addition, a reverse insertion preventing piece receiving groove 1 is provided on the left inner wall surface in the front view of the accommodation chamber 11 from the opening edge to the back side.
6 is formed, and a reverse insertion preventing piece 24 described later fits in the same.

(Female Connector) The female connector F is shown in FIG.
As shown in the right side of FIG. 2 and in FIG. 2, a female connector housing 20 formed in a flat rectangular parallelepiped in the lateral direction (from the lower right to the upper left) and a housing cover 30 covering the female connector housing 20 and having a lever 40 attached thereto. It is composed.

Inside the female connector housing 20,
The cavities 21 for assembling the female terminal fittings 50 (see FIG. 8) are provided side by side, and the fitting surfaces (the front surface of the hand in FIG. 2)
Terminal insertion opening 21a for inserting male terminal fitting 12 into
Is formed. On both upper and lower surfaces of the female connector housing 20, retainer insertion grooves 22 are respectively formed by cutting out between both left and right edges. As shown in FIG. 8, each of the cavities 21 is formed in each of the retainer insertion grooves 22. The stabilizer 51 of the female terminal fitting 50 which is assembled and in the primary locked state is arranged.

An engagement projection 23 is formed on the upper surface of the female connector housing 20 at the right rear corner and on the lower surface at the left rear corner. A reverse insertion preventing piece 24 is provided on the right side of the female connector housing 20 in a front view. Further, protrusions 25 are provided on both upper and lower sides of the reverse insertion preventing piece 24 and on the side opposite to the side on which the reverse insertion preventing piece 24 is provided.
Is provided.

The housing cover 30 has a flat box shape, and its inside is a housing accommodating chamber 31 for accommodating the female connector housing 20. The right side of the housing cover 30 is open when viewed from the front. Housing opening 3 for inserting the housing into housing housing chamber 31
1a. Retainer ridges 32 are formed on the ceiling surface and the bottom surface of the housing accommodating chamber 31 so as to face from the housing accommodating opening 31a toward the back, and when the female connector housing 20 is inserted into the housing accommodating chamber 31, The stabilizers 51 which fit into the respective retainer insertion grooves 22 and protrude therefrom are respectively locked. Further, the housing accommodating port 3 of the retainer ridge 32 is
The end on the 1a side is cut off diagonally to form a pressing surface 32a. When locking the stabilizer 51, if the female terminal fitting 50 is in a half-inserted state, the female terminal fitting 50 is pressed to a proper assembling position. I am trying to do it.

The left and right side edges of the upper and lower surfaces of the housing cover 30 have front portions (front portions in FIG. 2) projecting up and down to form prying prevention pieces 33, respectively. 13 to prevent prying when the male and female connector housings 10, 20 are connected. A lock piece 34 is formed at the right end of the upper surface of the housing cover 30 so that the lock piece 34 can be bent and deformed, and the lock piece 34 has a lock hole 34 that can be engaged with the engagement projection 23.
a is formed. An engagement groove 35 that can engage with the engagement protrusion 23 is also formed on the bottom surface of the housing cover 30 facing the lock piece 34. Then, when the housing cover 30 is mounted in a non-reversed orientation described later,
The engagement protrusion 23 on the upper surface side engages with the lock hole 34a, and the engagement protrusion 23 on the lower surface side engages with the engagement groove 35. When the housing cover 30 is mounted in an inverted direction described later, the engaging protrusion 23 on the upper surface side is
5 and the engagement protrusion 23 on the lower surface side engages with the lock hole 34a.

On both upper and lower surfaces of the housing cover 30, holding projections 36 and 37 are formed at a left edge portion and a right rear end portion, respectively. Further, as shown in FIG. 3, a square through hole 62 corresponding to the reverse insertion preventing piece 24 is formed on the left side surface of the housing cover 30 when viewed from the front (the right side surface when viewed from the front when inverted). It is pierced and its through hole 62
Square holes 6 corresponding to the respective projections 25
1 is perforated. When the housing cover 30 is mounted in the reverse direction, the female connector housing 2
0, the projections 25 formed on the right side of the front view are respectively inserted into the square holes 61, and the reverse insertion preventing pieces 2 are inserted through the through holes 62.
4 can be made to protrude.

A rear portion (a back side portion in FIG. 2) of the housing accommodating opening 31a is an electric wire outlet 31b, and the electric wires 52 drawn out from the respective cavities 21 are bundled in this state. It is drawn from. A terminal insertion port 2 of the female connector housing 20 is provided on the front surface of the housing cover 30 (the front surface of the hand in FIG. 2).
A plurality of terminal insertion ports 39 are formed corresponding to 1a.

On the lever 40, leg portions 41 are disposed opposite to each other on both left and right sides (upper and lower sides in FIG. 1), and are attached so as to sandwich the upper and lower surfaces of the housing cover 30. That is, mounting holes 41a are drilled at positions opposing each other at lower ends of both leg pieces 41 of the lever 40, and mounting pins 38 are formed on both upper and lower surfaces of the housing cover 30 so as to protrude. The lever 40 is mounted by being fitted into the mounting pin 38.
Further, holding holes 42 and 43 are drilled at positions opposing each other at the upper end of each leg 41, and the lever 40 is brought into a standby position (see FIG. 4) by engaging the holding hole 42 and the holding protrusion 36. 6), and the lever 40 is held at the coupling position (the position shown in FIG. 7) by the engagement of the holding hole 43 and the holding projection 37.

A cam groove 44 is formed in each leg 41 of the lever 40. The cam groove 44 is recessed so as to draw an arc downward (rightward in FIG. 2) from the front end of the lever 40 at the standby position, and the mounting hole 41a is gradually formed from the front end to the rear end. Is set to approach. The front end of the cam groove 44 is opened at the edge of the lever 40 to form an insertion port 44a, into which the engaging pin 15 of the male connector housing 10 can be inserted. . The position of the insertion port 44a is on a center line with respect to a lateral direction of the female connector housing 20 (a direction orthogonal to a connecting direction of the male and female connector housings in the present invention) when the lever 40 is attached to the housing cover 30. It is set to be arranged in. That is, the housing cover 3
Even when the female connector housing 20 is turned upside down and mounted in the female connector housing 20 (reversed mounting described later), the position of the insertion port 44a is at the center of the horizontal side as viewed from the mating surface side of the female connector housing 20. The position is a position that does not differ from the case where the device is mounted without being turned upside down (the device is mounted in a non-reversed direction described later).

(Mounting of the housing cover in the non-inverted direction) To mount the housing cover 30 in the non-inverted direction, as shown in FIG. 2, hold the housing cover 30 to the female connector housing 20 to the left. And the housing receiving port 31a is oriented toward the female connector housing 20. Then, the housing accommodation port 31a
The housing cover 30 is fitted from the left so that the female connector housing 20 is inserted into the housing.

When the engagement projection 23 formed on the upper surface of the engagement projection 23 of the female connector housing 20 is engaged with the lock hole 34a, the female connector housing 20 is moved into the housing accommodating chamber 31. Is held within. In this state, the projections 25 formed on the left side surface of the female connector housing 20 in front view are fitted into the square holes 61 of the housing cover 30, respectively, and the female connector housing 20
Each of the projections 25 and the reverse insertion preventing piece 24 formed on the right side surface in front view protrude from the housing accommodating opening 31a. The electric wire outlet 31b is disposed on the right side when viewed from the front, and the electric wires 52 drawn from the female connector housing 20 are drawn rightward therefrom in a bundled state.

(Mounting the housing cover in the inverted direction)
To mount the housing cover 30 in the inverted direction,
As shown in FIG. 3, the housing cover 30 is turned upside down and brought to the right side of the female connector housing 20. Thereafter, the housing cover 30 is fitted from the right side so that the female connector housing 20 is inserted into the housing accommodating opening 31a of the housing cover 30.

When the engaging projection 23 formed on the lower surface of the female connector housing 20 is engaged with the lock hole 34a, the female connector housing 20 is held in the housing chamber 31. In this state, on the left side of the female connector housing 20 as viewed from the front, each projection 25 projects from the housing accommodating opening 31a, and on the right side of the female connector housing 20 as viewed from the front, each projection 25 fits into the square hole 61. In addition, the reverse insertion preventing piece 24 is
Protruding outward through. The electric wire outlet 31b is disposed on the left side when viewed from the front, and the electric wires 52 are pulled out to the left from the bundled state.

(Joining operation of the male and female connectors when the housing cover is mounted in the non-inverted orientation) The coupling operation of the female connector F and the male connector M with the housing cover 30 mounted in the non-inverted orientation will be briefly described. First, with the lever 40 held at the standby position, the female connector F is fitted into the accommodation chamber 11 of the male connector M (see FIG. 6).
At this time, as shown in FIG. 4, the projections 25 protruding from the housing accommodating opening 31a on the right side of the female connector F when viewed from the front engage with the inner wall surface of the accommodation chamber 11, and the female connector F
Is positioned at a position where the insertion opening 44a of the cam groove 44 fits into the engagement pin 15. The reverse insertion preventing piece 24 fits into the reverse insertion preventing piece receiving groove 16 of the male connector housing 10. When the lever 40 is turned to the right (the direction of the arrow in FIG. 6), the engagement pin 15 is guided to the rear end side along the cam groove 44 as the lever 40 is turned. . Thereby, the male and female connector housing 1
0 and 20 move in the connecting direction, and when the turning position of the lever 40 becomes the connecting position, the male and female connector housings 10 and
20 are completely fitted to each other to be connected (see FIG. 7).

(Joining operation of the male and female connectors when the housing cover is mounted in the non-inverted orientation) The coupling operation between the female connector F and the male connector M with the housing cover 30 mounted in the inverted orientation is described with reference to FIG. The direction of rotation is opposite (left direction) when mounted in the non-reversed direction.
The other operations are the same. However, when the female connector F is fitted into the housing chamber 11 of the male connector M, the female connector F projects from the housing accommodating opening 31a of the housing cover 30 on the left side of the female connector F when viewed from the front as shown in FIG. Each of the projections 25 engages with the inner wall surface of the accommodation chamber 11, and the female connector F
It will be positioned to a position where it fits.

(Effects of this embodiment) As described above, in this embodiment, the housing cover 3
0 can be attached to the female connector housing 20 in the non-inverted / inverted direction, and as a result, the electric wire 52 can be pulled out from either side, so that the degree of freedom of the wiring is increased and the electric wire routing work can be performed. It can be performed efficiently.

Further, a through hole 62 is formed in the housing cover 30 so that the housing cover 30 can be turned upside down.
The reverse insertion preventing piece 24 and the reverse insertion preventing piece receiving groove 16 can be engaged when the male and female connectors M and F are connected, regardless of the mounting direction. Therefore,
Even if the housing cover 30 can be mounted in either the inverted or non-inverted direction, reverse insertion between the male and female connectors M and F can be prevented.

The present invention is not limited to the above-described embodiment, but can be modified as follows, for example, and these embodiments also belong to the technical scope of the present invention. (1) In the above embodiment, the female connector housing 2
0 is formed with a reverse insertion preventing piece 24, and the male connector housing 10 has a reverse insertion preventing piece receiving groove 1 engageable with the male connector housing 10.
Although the reverse insertion preventing piece 6 is formed, the reverse insertion preventing piece may be formed on the male connector housing to protrude, and the reverse insertion preventing piece receiving groove may be formed on the female connector housing.
In this case as well, the reverse insertion preventing piece engages with the reverse insertion preventing piece receiving groove via the through hole formed in the housing cover. In addition, the present invention can be implemented with various modifications without departing from the scope.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the entirety of the present embodiment.

FIG. 2 is an exploded perspective view showing mounting of a housing cover in a non-inverted direction.

FIG. 3 is an exploded perspective view showing mounting of the housing cover in an inverted direction.

FIG. 4 is a front sectional view showing a combined state of the male and female connectors with the housing cover mounted in a non-reversed orientation.

FIG. 5 is a front cross-sectional view showing a combined state of the male and female connectors with the housing cover mounted in an inverted direction.

FIG. 6 is a top view showing the lever (the housing cover is mounted in a non-inverted direction) in a standby position.

FIG. 7 is a top view showing the lever (the housing cover is mounted in the non-inverted direction) at the coupling position.

FIG. 8 is a side sectional view of the female connector.

FIG. 9 is an exploded perspective view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 ... Male connector housing 15 ... Engagement pin 16 ... Reverse insertion prevention piece receiving groove (reverse insertion prevention receiving part) 20 ... Female connector housing 24 ... Reverse insertion prevention piece (reverse insertion prevention part) 30 ... Housing cover 31b ... Wire outlet 44 ... Cam groove 44a ... Insert 40 ... Lever 52 ... Wire 62 ... Through hole

Claims (1)

[Claims] A housing cover is provided on one side of a mutually connectable male and female connector housing and has a wire outlet on one side for covering the connector housing and drawing out wires. A lever-type connector having a lever for moving the male and female connector housings in a coupling direction by a moving operation, wherein the lever is engaged with an engagement pin formed on a mating connector housing; A cam groove for moving the engagement pin in the coupling direction of the male and female connector housings is formed by a cam action based on a rotation operation of the lever, and an insertion hole for the engagement pin and the cam groove for the engagement pin is formed. Is the connection between the male and female connector housings in the connector housing provided with each. The housing cover is disposed on a center line in a direction orthogonal to the direction, and the housing cover is mounted in a reversing direction for reversing a position of both side surfaces of the connector housing opposed to the rotation axis direction of the lever and a non-reversing direction for not reversing. In addition, the male and female connector housings are provided with a reverse insertion prevention portion and a reverse insertion prevention receiving portion that can be engaged with each other in a connected state, and the housing cover includes:
A lever-type connector, wherein a through-hole for exposing the reverse insertion prevention portion and engaging with the reverse insertion prevention receiving portion is formed at the time of mounting in an inverted or non-inverted direction.