JP3488049B2 - Slide mating type connector - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention reciprocally slides a slide member in the fitting / removing (fitting / disengaging) direction of a multipolar female and male connector housing, and rotates the slide member with a small operating force. The present invention relates to a slide fitting type connector in which both connector housings are easily fitted and removed by the lever action of a lever.

[0002]

2. Description of the Related Art For example, as a lever type connector utilizing a lever action, there is one shown in FIGS. 4 (a) and 4 (b).
The lever-type connector 1 includes a multipolar female connector housing 2, and a frame support portion 3 of the female connector housing 2 is formed with a slide groove 4. A slide shaft 6 is provided slidably in the slide groove 4 protruding from one end of a frame-shaped lever 5. In the frame-shaped lever 5, a pair of male connector housings 7, 7 to be inserted into and removed from the female connector housing 2 are rotatably supported via a support shaft 8.

Then, the lever operating portion 9 projecting above the other end of the lever 5 is operated in the vertical direction, and the lever 5 is rotated about the sliding shaft 6 as a fulcrum so that the two connector housings 2 and 7 are connected to each other. It is designed to be inserted and removed from each other.
A similar technique regarding the lever-type connector 1 is disclosed in Japanese Utility Model Laid-Open No. 6-79080.

[0004]

However, in the conventional lever type connector 1, for example, the work of fitting the male connector housing 7 to the female connector housing 2 is performed in a narrow mounting space where the female connector housing 2 cannot be seen. In this case, the work of aligning the slide shaft 6 serving as a fulcrum of the lever 5 with the slide groove 4 of the frame support portion 3 of the female connector housing 2 and inserting and engaging the slide shaft 6 is a groping work and requires skill. The work of fitting the housings 2 and 7 was complicated. In particular, when the two connector housings 2 and 7 are fitted together, a two-step work of temporary fitting of the two connector housings 2 and 7 and pressing operation of the lever operating portion 9 is required, and the lever 5 needs to be changed. It was Further, since the sliding shaft 6 and the lever operating portion 9 are projected to both ends of the lever 5 supporting the male connector housing 7, the size of the entire connector is increased. Further, the sliding shaft 6 of the lever 5 is disengaged from the sliding groove 4 of the frame support portion 3 due to an external load force or the like, and the sliding shaft 6 protruding to both ends of the lever 5.
There is a risk that the lever operation part 9 may be damaged.

Therefore, the present invention has been made to solve the above-mentioned problems, and by simply sliding the slide member in the fitting / removing direction with a small operating force, the lever contained in the slide member can leverage the lever. It is an object of the present invention to provide a small-sized slide fitting type connector which has a good operability and can be easily fitted into and removed from both connector housings.

[0006]

According to a first aspect of the present invention, a slide member is reciprocally slidably provided on one of the male and female connector housings, and the base of the lever is rotated by the reciprocating motion of the slide member. The end portion is rotatably supported via a support shaft, the middle portion of the lever is linked to the action point portion of the one connector housing, and the tip end side of the lever when the connector housing is fitted and removed. engaging the engaging fulcrum portion with the engaging portion of the second connector housing, said slide member a sliding fit connector provided reciprocally slide in the removal direction fitting of the two connector housings, the engagement portion To the other connector
It is provided on the inner wall of the hood portion of the housing, and the engagement fulcrum portion of the lever is provided on the engagement portion side and the action point portion side with respect to the line connecting the base end portion and the action point portion. It has a feature.

In this slide fitting type connector, the lever fulcrum portion is provided on the engagement portion side and the action point portion side, so that the lever ratio can be increased and the male and female can be operated with a smaller operating force. Both connector housings can be inserted and removed.

Further, by providing the engagement fulcrum portion on the engagement portion side, the engagement fulcrum portion can be engaged with the engagement portion at an early stage of the operation of fitting the male and female connector housings. As a result, the male and female connector housings can be fitted by the lever from an early stage of the work of fitting the male and female connector housings, and the male and female connector housings can be fitted with a smaller operating force. Also, the engagement fulcrum of the lever is engaged
The engaging part on the inner wall of the hood part of the connector housing.
Erected to project from the other connector housing.
Since there are no parts to be used, miniaturization is possible.

The invention according to claim 2 is directed to the invention according to claim 1.
A slide-fitting type connector , wherein the lever comprises a pair of lever main bodies arranged between both side walls of one connector housing and an inner wall of the slide member, and these lever main bodies are provided on both sides of one connector housing. It is characterized in that it is slidably engaged with a support pin protruding from the wall.

In this slide-fitting type connector, the engaging fulcrums at the tips of the pair of lever bodies are engaged with the engaging portions of the other connector housing, so that the slide member is moved to the other connector housing side. When it is slid, the lever body rotates around the engagement fulcrum portion, and one connector housing is fitted into the other connector housing.

Further, by moving the slide member away from the other connector housing from the state where the male and female connector housings are engaged with each other, the lever main body is rotated about the engaging fulcrum portion in the opposite direction. One connector housing can be detached from the other connector housing.

A third aspect of the present invention is the slide fitting type connector according to the first or second aspect, wherein a long hole is formed in a middle portion of the lever, and the long hole is formed in the one connector housing. is characterized in that the slidably engaging the support pin as the force output portion.

In this slide-fitting type connector, a long hole is provided in the middle of the lever, and a support pin is engaged in the long hole, so that the lever engages with the fulcrum when the male and female connector housings are fitted and removed. It is possible to rotate without resistance when rotating around the center, and it is possible to further reduce the operation force for fitting and detaching.

[0014]

[0015]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described below with reference to the drawings.

FIGS. 1 and 2 show a slide fitting type connector 10 of this embodiment, and FIGS. 3A and 3B show a state in which male and female connector housings are being fitted.

As shown in FIGS. 1 and 2, the slide-fitting type connector 10 has a rectangular tubular hood portion 2 from the rear wall 21.
A plurality of male terminals 29 are provided in the inside of the rear wall 2 and the rear wall 2
A female connector housing (other connector housing) 20 made of synthetic resin, the back side of which is fixed to the substrate 11
And the hood portion 22 of the female connector housing 20.
A quadrangular cylindrical slide cover (slide member) 30 made of synthetic resin that fits the hood portion 22 so that the hood portion 22 can be slidably moved back and forth, and a synthetic resin movably supported in the slide cover 30 so as to be reciprocally slidably moved. A rectangular parallelepiped pair of male connector housings (one connector housing)
40 and both side walls 4 of this male connector housing 40
3 and 44 and the inner wall of the slide cover 30 are rocked (rotated) by the reciprocating sliding movement of the slide cover 30, and by the lever action, the female connector housing 20 on the fixed side is moved to each male side on the movable side. Type connector housing 40
And a lever 50 made of a synthetic resin for inserting and removing (fitting and releasing).

The hood portion 22 of the female connector housing 20 is provided with an arcuate notch 23 at the center thereof. Further, on one side of the cutout portion 23, support protrusions 24 as engaging portions are formed on the inner surfaces of the hood portion 22 which face each other (however, only one support protrusion 24 is shown in FIG. 1). The support protrusion 24 is formed with an arcuate recess 25 that opens toward the notch 23, and the inner surface of the recess 25 serves as an engagement surface 25a with which the tip of the lever 50 engages. A slide cover 30 is reciprocally slidable outside the female connector housing 20.

The slide cover 30 is formed of a synthetic resin in a rectangular tube shape, is slidably mounted on the male connector housing 40, and has a female shape when the connector housings 20 and 40 are fitted and removed. The connector housing 20 is slidable outside the hood portion 22.
On the rear end side of the outer peripheral surface of the square cylindrical slide cover 30, a collar-shaped operation portion 31 is integrally formed to project.

Further, one side wall 3 of the slide cover 30.
3, an arc-shaped support portion 34 is provided so as to project. A base end portion 51 of a lever 50, which will be described later, is attached to the support portion 34 by a support shaft 3
It is rotatably supported by 8.

Further, both side walls 3 of the slide cover 30
Protrusions 35, 35 are provided on the tip end sides of 2, 33. The stopper portions 4 projecting from both sides of the rear end portion of the male connector housing 40 are provided on the protrusions 35, 35.
1, 41 abut. This prevents the male connector housing 40 from coming off the slide cover 30 to the front.

The male connector housing 40 is formed of synthetic resin into a substantially rectangular parallelepiped shape, and a plurality of terminal accommodating chambers 42 are formed between front and rear surfaces thereof. In each terminal accommodating chamber 42, both connector housings 20,
When the connectors 40 are fitted together, they are electrically connected to the male terminals 29 of the female connector housing 20 so that both connector housings 2
A female terminal (not shown) in which electrical communication between 0 and 40 is achieved is accommodated. A wire harness (not shown) is connected to each of the female terminals. In addition, at the central portions of the side walls 43 and 44 of the male connector housing 40, a columnar support pin (action point portion) 4 serving as an action point of the lever 50 is provided.
Reference numerals 5 and 45 are formed by integral molding, press fitting, or the like.

As shown in FIG. 2, the lever 50 includes a pair of lever main bodies 52, which are disposed between the outer walls 43 and 44 of the male connector housing 40 and the inner walls 36 and 37 of the slide cover 30, respectively. It consists of 52. Lever body 5
2 is formed in a substantially rectangular plate shape, and has a base end portion 51 on one side.
A circular hole 53 is formed in the central portion of the. This round hole 5
3, the support shaft 38 provided on the support portion 34 of the slide cover 30
The lever 50 is rotatably supported by the support portion 34 by inserting the. Note that a round hole may be provided in the support portion 34 and a support shaft may be provided in the base end portion 51.

A long hole (action point receiving portion) 54 is formed in the middle of the lever 50. In this long hole 54,
The support pins 45, 45 of the male connector housing 40 are slidably engaged. Further, a protruding engagement fulcrum portion 55 is formed on the tip end side of the lever 50. The engagement fulcrum portion 55 is located on the support projection 24 side and on the long hole 54 side with respect to the line connecting the base end portion 51 and the long hole 54, and the length between the long hole 54 and the engagement fulcrum portion 55 is long. The periphery 56 of the hole 54 is formed long. Further, the length from the base end portion 51 to the elongated hole 54 is formed longer than the length from the elongated hole 54 to the engagement fulcrum portion 55. Further, the long hole 54 of the lever 50 is
It is located inside the slide cover 30 with respect to the line connecting the tip ends of the side walls 32 and 33 of the slide cover 30. Therefore, only the engagement fulcrum 55 of the lever 50 projects from the slide cover 30. Therefore, when the male connector housing 40 and the female connector housing 20 are fitted to each other, the engaging fulcrum portion 55 is recessed in the support protrusion 24 before the slide cover 30 is externally fitted to the outside of the hood portion 22. Engage with section 25.

The slide fitting type connector 1 of the above embodiment
According to 0, before fitting (separated state) of the female connector housing 20 and the male connector housings 40 shown in FIGS.
Reference numeral 2 denotes a support shaft 38 of the slide cover 30 and support pins 45, 45 of the male connector housing 40 disposed between the inner walls 36, 37 of the slide cover 30 and the side walls 43, 44 of the male connector housing 40. , Engagement fulcrums 55, 5
Only 5 protrudes from the inside of the slide cover 30. In the following description, the operation of the lever body 52 on one side will be described and the operation of the lever body 52 on the other side will be omitted.

From this state, as shown in FIG.
Hood part 22 of female connector housing 20 on the fixed side
After the front end side of the slide cover 30 including the male connector housing 40 is fitted and tentatively fitted to the outside of the connector, the slide cover 30 is fitted in the fitting direction of both connector housings 20 and 40 (see FIG. 3A). When pressed and pushed in the direction indicated by the arrow A), the engagement fulcrum portion 55 of the lever body 52 is inserted into and engaged with the recess 25 of the support projection 24 to form a fulcrum portion.

Further, when the slide cover 30 is pushed in the fitting direction, the lever 50 is pushed as shown in FIG. 3 (b).
Lever action (lever action using the round hole 53 of the base end portion 51 of the lever body 52 as a force point, the support pin 45 of the male connector housing 40 as an action point, and the engagement fulcrum portion 55 of the lever body 52 as a fulcrum point) The male connector housings 40 are drawn into the inside of the hood portion 22 of the female connector housing 20 so that the two connector housings 20 and 40 are fitted to each other.

When the slide cover 30 is pulled out in the direction opposite to the fitting direction to release the fitted state, the engaging fulcrum portion 55 inserted / engaged in the recess 25 serves as a fulcrum and slides. Along with the pulling-out operation of the cover 30, a lever action of the lever main body 52 (the round hole 53 of the base end portion 51 of the lever main body 52 is the force point, the support pin 45 of the male connector housing 40 is the action point, and the rear side of the lever 50). Lever mechanism with the tip portion 55 of the
40 Mutual separation.

As described above, according to the slide fitting type connector 10 of the present embodiment, the lever 50 included in the slide cover 30 can be leveraged by simply sliding the slide cover 30 in the fitting / removing direction with a small operating force. This makes it possible to easily engage and disengage both connector housings 20 and 40, and improve operability.

Further, in the present embodiment, the slide cover 3
Since the lever main body 52 is arranged so that only the engaging fulcrum portion 55 of the lever main body 52 protrudes from 0, when the male connector housing 40 and the female connector housing 20 are fitted, the lever main body 52 is engaged. Since the fulcrum portion 55 is inserted / engaged with the recessed portion 25 of the support protrusion 24 in the initial stage, the lever main body 5
The lever action by 2 can be used from an early stage of the fitting operation. As a result, operability can be further improved.

Further, in this embodiment, the lever main body 52
Since the engagement fulcrum portion 55 of is provided on the elongated hole 54 side on the support projection 24 side with respect to the line connecting the base end portion 51 and the elongated hole 54 which is the action point portion, the periphery 56 of the elongated hole 54 is formed. The width dimension can be increased, and the circumference 5 of the long hole 54 of the lever main body 52 can be increased.
The strength of 6 can be improved.

Further, in this embodiment, since the elongated hole 54 is located inside the slide cover 30, that is, the position of the support pin 45 is located inside the slide cover 30, the male connector housing is formed. It is possible to position the support pin 45 on the tip side of the hood portion 22 even when the female connector housing 40 and the female connector housing 20 are completely fitted together. As a result, the notch 23 into which the support pin 45 is inserted can be made small, and the strength of the hood 22 does not decrease. It is also possible to eliminate the notch 23.

Further, since the lever ratio is improved by bringing the engagement fulcrum portion 55 closer to the elongated hole 54, the lever 50 is acted as a lever when the female connector housing 20 and the male connector housing 40 are fitted to each other. It can be used efficiently and the operating force can be further reduced.

[0034]

As described above, according to the invention of claim 1, the engaging fulcrum portion of the lever is provided on the engaging portion side and the action point portion side, so that the engaging fulcrum portion acts. Since the point portion side is approached, the lever ratio can be increased and the male and female connector housings can be inserted and removed with a smaller operating force.

Further, by providing the engagement fulcrum portion on the engagement portion side, the engagement fulcrum portion can be engaged with the engagement portion before the male and female connector housings are fitted, and the male and female connector housings can be obtained. The male and female connector housings can be fitted by the lever from an early stage of the fitting work, and can be fitted with a smaller operating force.

Further, by providing the engagement fulcrum portion on the side of the action point portion, the lever ratio can be increased, the lever action by the lever can be efficiently used, and the operating force can be further reduced. You can Further, since the engaging portion with which the engaging fulcrum portion is engaged is provided in the hood portion of the connector housing, there is no portion protruding from the other connector housing, and the size can be reduced.

According to the second aspect of the present invention, the engagement fulcrum portions of the distal end portions of the pair of lever bodies are engaged with the locking portions of the other connector housing, respectively, so that one connector housing is connected to the other connector housing. It can be pressed against the housing without being biased. Further, when the male and female connector housings are engaged with each other, the slide members are moved away from the other connector housing, whereby the pair of lever bodies rotate about the engaging fulcrums in the opposite direction. Since one connector housing is separated from the other connector housing, one connector housing can be pulled out from the other connector housing without being biased.

According to the third aspect of the present invention, a long hole is provided in the middle of the lever, and the support pin is engaged in the long hole. It is possible to rotate without resistance when rotating around the portion, and it is possible to reduce the operation force for fitting and detaching.

[0039]

Further, in the present embodiment, the slide cover 3
From 0, only the engaging fulcrum portion 55 of the lever main body 52 projects outward, so that the exposed portion of the lever 50 itself to the outside is reduced, and the lever 50 slides.
It can be protected with 0.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a state before fitting of a slide fitting type connector according to an embodiment of the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3A is a cross-sectional view showing a state where the female and male connector housings are being fitted to each other, and FIG. 3B is a cross-sectional view showing the end of the fitting.

4A is an explanatory view showing a lever type connector of a conventional example, and FIG. 4B is a perspective view of a lever side of the lever type connector.

[Explanation of symbols]

10 Slide-fitting type connector 20 Female connector housing (other connector housing) 24 Supporting protrusion (engaging part) 30 Slide cover (slide member) 38 Spindle 40 Male connector housing (one connector housing) 45 Support Pin 50 Lever 51 Base end 55 Engagement fulcrum

─────────────────────────────────────────────────── --- Continuation of front page (56) References JP-A-6-231831 (JP, A) JP-A-7-142120 (JP, A) JP-A-8-78090 (JP, A) Actual development Sho-58- 148886 (JP, U) Registered utility model 3016242 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) H01R 13/629

Claims (3)

(57) [Claims] 1. A slide member is reciprocally slidably provided on one of both male and female connector housings, and a base end portion of a lever which is rotated by the reciprocating motion of the slide member is freely rotatable on a support shaft. And the middle part of the lever is linked to the action point part of the one connector housing, and the engaging fulcrum part on the tip end side of the lever is inserted into and removed from the one connector housing. engaged with the engaging portion, wherein the slide member to a slide mating connector which is provided in a freely reciprocating sliding de direction fitting of the two connector housings, before the engagement portion
Provided on the inner wall of the hood of the other connector housing,
A slide fitting connector, wherein the engagement fulcrum portion of the lever is provided on the engagement portion side and on the action point portion side of a line connecting the base end portion and the action point portion. 2. The slide fitting type connector according to claim 1, wherein the lever is arranged between both side walls of one connector housing and an inner wall of the slide member. A slide-fitting type connector, characterized in that these lever bodies are slidably engaged with support pins protruding from both side walls of one connector housing. 3. The slide fitting according to claim 1 or 2.
A case-type connector to form a long hole in the middle portion of the lever, characterized in that the long hole and slidably engaging the support pin as the force output portion of the one connector housing slides Mating type connector.