JP5080313B2 - Lever fitting type connector - Google Patents

Description

  The present invention relates to a lever fitting connector.

  In order to reduce the insertion force when connecting the connector housings, a lever-fitting connector in which a lever is provided on one connector housing, and the connector housings can be engaged and disengaged by rotating the lever. Is disclosed, for example, in Patent Document 1 below.

The lever fitting type connector disclosed in the following Patent Document 1 has a structure that can regulate the turning of the lever in the detaching direction after turning the lever and fitting the connector housings together. Yes. Specifically, the housing side lock portion is formed on the connector housing, and the lever side lock portion is formed on the lever, and the engagement thereof can regulate the rotation of the lever in the separating direction. ing.
Japanese Patent Laid-Open No. 9-259971

  In the conventional lever fitting type connector, the rotation operation in the lever release direction is restricted by the engagement of the housing side lock portion and the lever side lock portion. However, since there is a loose fit in the lever rotation operation direction between the lever and the connector housing, the housing side lock part and the lever side lock part always come into contact with each other and become engaged. For example, when vibration is transmitted, the lever rattles in this operation direction, and the housing side lock portion and the lever side lock portion collide or leave. Therefore, there is a risk that the parts of the connector housing and the lever may be adversely affected by the play.

  Possible adverse effects include wear of the rotating shaft portion of the lever, wear, damage or abnormal noise due to repeated collisions of the housing side lock portion and the lever side lock portion.

  The present invention has been made in view of the above-described circumstances, and is a lever fitting capable of regulating a fitting backlash in a lever rotating operation direction in which the housing side lock portion and the lever side lock portion collide or leave. It is an object to provide a combined connector.

According to a first aspect of the present invention, there is provided a lever-fitting connector according to the first aspect of the present invention, wherein a lever is rotatably attached to one connector housing of a pair of connector housings to be phase-fitted. When one of the connector housings and the other connector housing are engaged and disengaged by moving the housing, the housing side lock formed on the one connector housing is engaged when the two connector housings are engaged. In the lever fitting type connector in which the rotation of the release direction of the lever is regulated by the engagement of the lever side lock part formed on the part and the lever,
In order to suppress the backlash in the lever rotation operation direction that occurs after the housing side lock portion and the lever side lock portion are engaged, a housing side backlash stop portion is formed on the one connector housing, and the lever is also Forming a lever side ratchet portion that engages with the housing side ratchet portion ;
Forming the housing-side rattling part and the lever-side rattling part at a position closer to the pivot axis of the lever than the housing-side locking part and the lever-side locking part;
In order to guide the driven pin formed in the other connector housing to the cam groove of the lever, a bridge portion is provided in the one connector housing, and the housing side rattling stop portion is formed inside the bridge portion, The lever side ratchet portion is formed above the edge of the lever that reaches the bridge portion .

According to the present invention having such a feature, when the levers are pivoted to engage the two connector housings, the housing side lock portion and the lever side lock portion are engaged with each other, and the housing side The backlash stop portion and the lever side backlash stop portion are also engaged. Due to the engagement between the housing side ratchet part and the lever side ratchet part, the occurrence of fitting play in the lever rotation operation direction in which the housing side lock part and the lever side lock part collide or leave is suppressed. The
Further, the housing-side backlash stopper and the lever-side backlash stopper are formed at positions where the shake of the fitting backlash is smaller than that of the housing side lock and the lever side lock. If it is a position where the shake of the fitting backlash is small, the housing side backlash stopper and the lever side backlash stopper can be formed small.
Further, by forming the housing side rattling stopper and the lever side rattling stopper small, it is possible to arrange and form them at the position of the bridge section. By disposing and forming at the position of the bridge portion, the engagement state between the housing side rattling portion and the lever side rattling portion is protected from the outside. That is, the engaged state is protected by the bridge portion.

A lever fitting type connector according to a second aspect of the present invention is the lever fitting type connector according to the first aspect , wherein the distance between the front end of the housing side ratchet portion in the bridge portion and the opening base end position of the bridge portion is provided. Is the dimension GS, and the projecting height of the driven pin with respect to the outer surface of the other connector housing is the dimension PT, the housing side rattling stop and the driven pin are formed so that GS <PT, or Assuming that the distance between the tips of the housing side rattling stoppers in the pair of bridge portions is a dimension GS ′ and the distance between the ends of the pair of driven pins is a dimension PT ′, GS ′ <PT ′ is established. A pair of the housing-side backlash stoppers and a pair of the driven pins are formed.

  According to the present invention having such a feature, when one of the housing side ratchet part and the driven pin gets over the other during fitting, a temporary locking state of both the connectors (both connector housings) is formed. Is done. By forming a temporary locking state of both connectors, the connector is prevented from dropping before the lever is operated. ADVANTAGE OF THE INVENTION According to this invention, the better usage form of the housing side backlash stop part is provided.

Lever fitting type connector of the present invention according to claim 3, in the lever fitting-type connector according to claim 2, abutting engagement with both leaving at contact portions between the driven pin and the housing-side backlash preventing portion In addition to forming a surface, a separation taper that is continuous with the contact locking surface is formed on one of the contact portions at the time of separation.

  According to the present invention having such a feature, a temporary locking state is formed by the contact locking surfaces, and when detaching, the detaching operation can be smoothly performed by the detaching taper.

A lever fitting type connector according to a fourth aspect of the present invention is the lever fitting type connector according to the second aspect , wherein the housing side ratchet portion and the driven pin are guided to one of the contact portions when fitted. It is characterized by forming a taper for use.

  According to the present invention having such a feature, at the time of fitting, either one of the housing side ratchet portion and the driven pin can smoothly get over the other.

A lever fitting type connector according to a fifth aspect of the present invention is the lever fitting type connector according to any one of the first to fourth aspects, wherein the housing side lock portion and the lever side lock portion are brought into contact with each other. The housing-side backlash stopper and the lever-side backlash stopper are arranged and formed so as to engage with each other at a position where they are not engaged.

  According to the present invention having such a feature, when the housing side ratchet portion and the lever side ratchet portion are engaged with each other, the occurrence of fitting play in the lever rotating operation direction is suppressed. And the lever side lock part do not abut. As a result, even if vibration is transmitted, for example, collision, wear or abnormal noise between the housing side lock portion and the lever side lock portion is prevented.

Lever fitting type connector of the present invention of claim 6 is the lever fitting-type connector according to any one of claims 1 to 5, to form the housing-side backlash preventing portion in a shape to be凹突electromotive At the same time, the lever side ratchet portion is formed in the shape of a convex projection that engages with the concave portion of the concave projection.

  According to the present invention having such a feature, the lever side ratchet portion that becomes a convex projection rides on the housing side ratchet portion that becomes a concave projection, and thereafter, the lever side ratchet stop in the concave portion of the housing side ratchet portion. When the portion is lowered, the housing side rattling stopper and the lever side rattling stopper are engaged with each other. According to the present invention, a better form of the housing side rattling stopper and the lever side rattling stopper is provided.

The lever fitting type connector of the present invention according to claim 7 is the lever fitting type connector according to claim 6 , wherein the lever side ratchet portion serving as the convex projection is provided on the housing side ratchet portion serving as the concave projection. A first taper surface that guides the lever in the riding direction is formed, and a second taper surface that continues to the first taper surface and guides the lever side rattling stop toward the recess is formed.

  According to the present invention having such a feature, the lever side ratchet portion that becomes the convex projection is guided by the first taper surface of the housing side ratchet portion that becomes the concave projection, and thereafter, it rides on the concave projection. Without being in this state, it is guided by the second taper surface and falls into the recess to be in an engaged state.

According to the first aspect of the present invention, the housing side rattling stopper and the lever side rattling stopper can be formed small, so that the housing side rattling stopper is positioned at the position of the bridge portion for guiding the driven pin. And the lever side rattling stop can be arranged and formed. According to the present invention, there is an effect that the engaged state can be protected by the bridge portion.

According to the second aspect of the present invention, it is possible to prevent the connector from falling off before operating the lever without newly forming a dedicated portion for temporarily locking both connectors. . According to the present invention, there is an effect that the housing side rattling stop can be effectively utilized.

According to the third aspect of the present invention, there is an effect that the detachment operation from the temporarily locked state can be performed smoothly.

According to the fourth aspect of the present invention, there is an effect that it is possible to smoothly perform the operation when guiding the driven pin to the cam groove of the lever at the time of fitting.

According to the present invention described in claim 5 , even if vibration is transmitted, there is an effect that collision and wear between the housing side lock portion and the lever side lock portion can be more reliably prevented.

According to the present invention described in claim 6, there is an effect that it is possible to form the engagement of the housing-side backlash preventing portion and the lever-side play prevention portion between凹突force and the convex protrusion.

According to the seventh aspect of the present invention, since the second taper surface that guides the lever side rattling stop portion toward the recess, the housing side rattle stopper portion and the lever side rattle stopper portion are reliably engaged. There is an effect that it can be formed.

  Hereinafter, description will be given with reference to the drawings. FIG. 1 is a view showing an embodiment of a lever fitting type connector according to the present invention. FIG. 1 (a) is a perspective view of a lever fitting type connector, FIG. 1 (b) is a perspective view of a connector housing, FIG. c) is a perspective view of the lever. 2 (a) is a front view of the lever fitting type connector, and FIG. 2 (b) is an enlarged view of the main part of FIG. 2 (a), showing the engagement state between the housing side rattling stopper and the lever side rattling stopper. FIG. 2C is an enlarged view of the housing side ratchet portion, and FIG. 2D is an enlarged view of the lever side ratchet portion. 3A is a front view of the lever fitting connector, and FIG. 3B is a cross-sectional view taken along line AA of FIG. 3A.

  In FIG. 1, the lever fitting type connector is configured so that the male connector and the female connector 1 can be fitted and detached by a turning operation of a lever 2 provided in the female connector 1.

  The male connector includes a male connector housing made of synthetic resin having insulation (corresponding to the other connector housing described in the claims), and a conductive terminal fitting accommodated in a terminal accommodating chamber of the male connector housing. It is configured with. A pair of driven pins project from the outer surfaces of the upper and lower walls of the male connector housing. The pair of driven pins is formed as a portion that is driven by the lever 2 when the female connector 1 is fitted and detached. A known male connector is used. In addition, since it is disclosed also in patent document 1 of the column of background art, further description shall be abbreviate | omitted.

  The female connector 1 is made of an insulating synthetic resin female connector housing 3 (corresponding to one connector housing described in the claims) and a synthetic resin made rotatably on the female connector housing 3. A lever 2, a conductive terminal fitting (not shown) accommodated in a terminal accommodating chamber of the female connector housing 3, and a front folder 4 engaged with the front portion to form the terminal accommodating chamber are provided. It is configured. In addition, the female connector 1 is provided with a waterproof packing (not shown) made of, for example, rubber in the female connector housing 3, and also has a function as a waterproof connector.

  Note that the configuration and structure inside the female connector housing 3 are basically the same as known ones, so detailed description thereof will be omitted here.

  1 to 3, in the female connector housing 3, a pair of shaft pins 5 (only the upper wall is shown) are formed so as to pivotally support the lever 2 at the center of the outer surface of the upper and lower walls. It has been done. Also, a pair of driven pin guide grooves for guiding the pair of driven pins of the male connector housing to the lever 2 and allowing the driven pins to move during fitting / removal are provided on the upper wall and the lower wall. 6 and a pair of bridge portions 7 shaped so as to cover a portion for guiding the pair of driven pins to the lever 2.

  A housing side lock portion 8 is formed on one side wall of the female connector housing 3. The housing-side lock portion 8 is formed as a portion where the lever-side lock portion 9 of the lever 2 is engaged with the female connector 1 in a state where the male connector is completely fitted. The housing-side lock portion 8 is formed to project from the rear portion of the side wall of the female connector housing 3. The housing side lock portion 8 and the lever side lock portion 9 have a function of restricting the turning operation of the lever 2 in the releasing direction when they are engaged.

  A part of the lever 2 reaches the inside of the bridge portion 7. Inside the bridge portion 7, a housing side ratchet portion 10 that is a main portion of the present invention is formed. The housing side backlash stopper 10 is formed in accordance with the position of the driven pin guide groove 6. Moreover, the housing side rattling stopper 10 is disposed and formed at a position where there is no hindrance to the movement of the driven pin. The housing side rattling stop 10 is formed in a concave protrusion shape. The housing side rattling stop 10 is formed in a shape as shown in the figure in which a recess 12 is present between two peaks 11. A tapered surface 13 is formed on one peak. The housing-side backlash stopper 10 is formed at a position closer to the shaft pin 5 than the housing-side lock 8. The housing side backlash stopper 10 is formed to be sufficiently smaller than the housing side lock 8.

  1 to 3, the lever 2 is formed in a portal shape having a pair of lever main bodies 14 and a lever operating portion 15 that connects the free ends of the pair of lever main bodies 14. Each lever body 14 is formed with a shaft hole 16 and a cam groove 17. The shaft hole 16 is formed as a portion that is pivotally supported by the shaft pin 5 of the female connector housing 3. When the shaft hole 16 is pivotally supported by the shaft pin 5, the lever 2 is rotatable with respect to the female connector housing 3. The cam groove 17 is formed so that one end thereof opens to the edge 18 of the lever main body 14, and the driven pin of the male connector housing advances and retreats through this opening. When the lever 2 is rotated and the driven pin moves toward the other end of the cam groove 17, the fitting proceeds, and when the driven pin moves from the other end of the cam groove 17 toward the one end, the disengagement proceeds. It has become.

  A lever side lock portion 9 is formed inside the lever operation portion 15. The lever-side lock portion 9 is formed as a portion that is hooked and engaged with the housing-side lock portion 8 of the female connector housing 2 in a state where the male connector is completely fitted to the female connector 1.

  The edge 18 of each lever body 14 is formed so as to reach the inside of the bridge portion 7 of the female connector housing 3. On the outer surface (upper side) of the edge portion 18, a lever side ratchet portion 19 that is a main portion of the present invention is formed. The lever side ratchet portion 19 is a portion that engages with the housing side ratchet portion 10 of the female connector housing 3, and is formed in a convex projection shape that falls into the recess 12. The lever side ratchet portion 19 is formed at a position closer to the shaft hole 16 than the lever side lock portion 9. The lever side rattling stop 19 is formed to be sufficiently smaller than the lever side lock 9. The lever side ratchet portion 19 is guided by the tapered surface 13 of the housing side ratchet portion 10 and rides on the top of the housing side ratchet portion 10, and then falls into the recess 12 and engages. Yes.

  The lever-side rattling stop 19 has a clearance S (see FIG. 3) between the lever-side locking portion 9 and the housing-side locking portion 8 in a state where the lever-side rattling stopper 19 and the housing-side rattling stopper 10 are engaged. Is formed at a position where a reference) occurs. If the lever-side ratchet 19 and the housing-side ratchet 10 are engaged with each other by being formed at such a position, even if vibration is transmitted, for example, the lever-side lock 9 There is no collision between the housing and the housing side lock portion 8, and there is no friction.

  In the above configuration, when the male connector housing is inserted into the female connector housing 3, the driven pin of the male connector housing is simultaneously inserted into the bridge portion 7 and the driven pin guide groove 6 of the female connector housing 2 and the lever 2. The cam groove 17 is guided. Thereafter, when the lever 2 is rotated in the fitting direction, the male connector housing is drawn into the female connector housing 3 to reach a completely fitted state. When the fully-fitted state is reached, the lever side lock portion 9 of the lever 2 engages with the housing side lock portion 8 of the female connector housing 3, thereby restricting the turning operation of the lever 2 in the disengagement direction. A fitting backlash in the lever rotating operation direction is structurally generated between the lever 2 and the female connector housing 3, but in the present invention, when the full fitting state is reached, the lever side of the lever 2 The backlash 19 is engaged with the housing side backstop 10 of the female connector housing 3 to suppress the fitting backlash.

  As described above with reference to FIGS. 1 to 3, according to the present invention, the housing side lock portion 8 and the lever side ratchet portion 19 are engaged with the housing side lock portion 8 and the lever side ratchet portion 19. Generation | occurrence | production of the fitting backlash of the lever rotation operation direction which collides or leaves | separates with the lock | rock part 9 can be suppressed. Further, it is possible to prevent wear of the rotating shaft portion (shaft pin 5 and shaft hole 16) of the lever 2, wear due to repeated collision of the housing side lock portion 8 and the lever side lock portion 9, damage, abnormal noise, and the like. .

  According to the present invention, the backlash of the lever 2 provided in the female connector 1 in the rotational operation direction is suppressed by the housing side backlash stopper 10 of the female connector housing 3 and the lever side backlash stopper 19 of the lever 2. It has the characteristics.

  Next, a modified example of the housing side rattling stop will be described with reference to FIG. FIG. 4A is an enlarged view showing a modified example of the housing side rattling portion, and FIG. 4B is an enlarged view of the first tapered surface and the second tapered surface of FIG.

  In FIG. 4, the housing side rattling stop 10 ′ is formed in a shape as shown in the figure in which a recess 12 exists between two peaks 11. A first taper surface 13 ′ and a second taper surface 13 ″ continuous with the first taper surface 13 ′ are formed on one peak portion. Guided by the first taper surface 13 'of the housing side ratchet portion 10' to be a concave projection, and then guided by the second taper surface 13 "without remaining on the concave projection. And is in an engaged state. The housing-side backlash stopper 10 ′ has the second tapered surface 13 ″ for guiding the lever-side backlash stopper 19 toward the recess 12, so that the engagement with the lever-side backlash stopper 19 can be surely formed. Can be done.

  Next, a better usage pattern of the housing side rattling stop 10 will be described with reference to FIGS. FIG. 5 is a view showing another embodiment of the lever fitting type connector of the present invention, FIG. 5 (a) is a perspective view showing a state before fitting, and FIG. 5 (b) is a temporarily locked state. FIG. 5C is a perspective view showing a state after completion of fitting. 6 (a) is a front view of the female connector housing, and FIG. 6 (b) is an enlarged view of B of FIG. 6 (a). Moreover, Fig.7 (a) is a side view of a male connector, FIG.7 (b) is the C view enlarged view of (a). 8 is a plan view showing a temporarily locked state, and FIG. 9 is a cross-sectional view taken along the line DD of FIG. FIG. 10A is an enlarged view of E in FIG. 9, and FIG. 10B is an enlarged view of F in FIG. In the following, description will be made based on the basically same configuration and structure as in the above embodiment, and therefore, the same reference numerals as those in the above embodiment will be given.

  In FIG. 5, the lever fitting type connector is configured so that the male connector 21 and the female connector 1 can be fitted / detached by rotating the lever 2 provided in the female connector 1. In the female connector housing 3 constituting the female connector 1, a pair of shaft pins 5, a pair of driven pin guide grooves 6 (see FIG. 6), a pair of bridge portions 7, and a housing side lock portion 8 are formed. Has been.

  In FIG. 6, a housing side rattling stop 10 is formed inside the bridge portion 7. The housing side rattling stop 10 has a recess 12 between two peaks 11, and a taper surface 13 is formed on one peak 11. The housing-side backlash stopper 10 is arranged and formed so that the distance between the tip and the position of the opening base end 7a of the bridge portion 7 is the dimension GS (the dimension GS will be described later). In addition, the housing side rattling stop 10 is formed with a contact locking surface and a guide taper (described later).

  In FIG. 5, the lever 2 is formed in a portal shape having a pair of lever main bodies 14 and a lever operating portion 15 that connects the free ends of the pair of lever main bodies 14. Each lever body 14 is formed with a shaft hole 16 and a cam groove 17. A lever side lock portion 9 is formed inside the lever operation portion 15. On the edge 18 of each lever main body 14, a convex protrusion-shaped lever side ratchet portion 19 is formed.

  5 and 7, the male connector housing 22 of the male connector 21 has a pair of driven pins 23 protruding from the outer surfaces of the upper and lower walls. The pair of driven pins 23 is formed as a portion that is driven by the lever 2 when the female connector 1 is fitted and detached. The pair of driven pins 23 is formed such that the protruding height of the male connector housing 22 with respect to the outer surface is the dimension PT. The relationship between the dimension PT of the pair of driven pins 23 and the dimension GS in FIG. 6 is such that GS <PT. In addition, the driven pin 23 is formed with a contact locking surface and a taper for separation (described later).

  In addition to the dimensional relationship in which GS <PT is satisfied, GS ′ <PT ′ may be satisfied with respect to the dimensions GS ′ and PT ′ as shown in FIGS. 6 (a) and 7 (a). (Assuming that the distance between the tips of the housing side rattling stoppers 10 in the pair of bridge portions 7 is a dimension GS ′ and the distance between the tips of the pair of driven pins 23 is a dimension PT ′, GS ′ <PT ′ May hold).

  In the above configuration, when the female connector 1 is inserted into the male connector 21 to be temporarily locked as shown in FIG. 5B, and then the lever 2 is rotated in the fitting direction, the female connector 1 becomes the male connector. As shown in FIG. 5 (c), the fully engaged state is reached. The difference from the above-described embodiment described with reference to FIG. 1 is that the connector is temporarily disconnected as shown in FIG. Hereinafter, the temporarily locked state will be described.

  The temporary locking state is formed as shown in FIGS. 5B, 8, and 9 when the housing side rattling stopper 10 in the bridge portion 7 gets over the driven pin 23. More specifically, the housing-side backlash stopper 10 and the driven pin 23 first come into contact with each other in overcoming the above. If the contact portion of the housing side rattling stop portion 10 and the driven pin 23 at this time is a contact portion during fitting, in this embodiment, the contact portion portion during fitting of the housing side rattling stop portion 10 as shown in FIG. The guide taper 10a is formed in the guide taper 10a. The guide taper 10a makes it easy to get over the above.

  Next, when the housing side rattling stopper 10 completely gets over the driven pin 23, the contact locking surface 10b of the housing side rattling stopper 10 and the contact locking surface 23a (surface contact) of the driven pin 23 are detected. And may be formed so as to be in line contact with each other, thereby forming a temporary locking state (the contact locking surface 10b of the housing side rattling stopper 10 and the contact of the driven pin 23) The locking surface 23a is disposed so as to wrap very slightly, and a temporary locking state is formed by this wrapping portion).

  The contact locking surfaces 10 b and 23 a are included in contact portions when the housing side rattling stop 10 and the driven pin 23 are separated. In this embodiment, with respect to the contact portion at the time of detachment, the detachable taper 23b continuous to the contact locking surface 23a is formed on the outer periphery of the tip of the driven pin 23, so that the female connector 1 is slightly connected to the male connector 21. By pulling with a large force, the temporarily locked state can be smoothly released.

  As described above with reference to FIGS. 5 to 10, a dedicated portion for temporarily locking both the female connector 1 and the male connector 21 by using the housing-side backlash stopper 10 is provided. Even if it is not newly formed, it is possible to prevent the connector from dropping off before the lever 2 is operated. In addition, since it is not necessary to newly form a dedicated portion, the structure can be simplified.

  In addition, the present invention can of course be modified in various ways within the scope not changing the gist of the present invention.

It is a figure which shows one Embodiment of the lever fitting type connector of this invention, (a) is a perspective view of a lever fitting type connector, (b) is a perspective view of a connector housing, (c) is a perspective view of a lever. . (A) is a front view of a lever fitting type connector, (b) is an enlarged view of a main part of (a), and is an enlarged view showing an engagement state between a housing side ratchet part and a lever side ratchet part, (c) Is an enlarged view of the housing side rattling stop, and (d) is an enlarged view of the lever side rattling stop. (A) is a front view of a lever fitting type connector, (b) is the sectional view on the AA line of (a). (A) is an enlarged view which shows the modification of a housing side backlash stop part, (b) is an enlarged view of the 1st taper surface and 2nd taper surface of (a). It is a figure which shows other embodiment of the lever fitting type connector of this invention, (a) is a perspective view which shows the state before fitting, (b) is a perspective view which shows a temporary latching state, (c) FIG. 5 is a perspective view showing a state after completion of fitting. (A) is a front view of a female connector housing, (b) is the B view enlarged view of (a). (A) is a side view of a male connector, (b) is the C view enlarged view of (a). It is a top view which shows a temporary latching state. It is the DD sectional view taken on the line of FIG. (A) is the E view enlarged view of FIG. 9, (b) is the F view enlarged view of (a).

Explanation of symbols

1 female connector 2 lever 3 female connector housing (one connector housing)
4 Front folder 5 Axis pin 6 Driven pin guide groove 7 Bridge portion 7a Opening base end 8 Housing side lock portion 9 Lever side lock portion 10, 10 'Housing side rattling stop portion 10a Guide taper 10b Contact locking surface 11 Mountain Part 12 Concave part 13 Tapered surface 13 '1st taper surface 13 "2nd taper surface 14 Lever body 15 Lever operation part 16 Shaft hole 17 Cam groove 18 Edge part 19 Lever side rattling stop 21 Male connector 22 Male connector housing (the other Connector housing)
23 Driven pin 23a Contact locking surface 23b Detaching taper

Claims (7)

A lever is rotatably attached to one connector housing of a pair of connector housings to be phase-fitted, and the lever can be rotated to engage and disengage both the one connector housing and the other connector housing. When the two connector housings are fitted, the lever-side lock portion formed on the one connector housing and the lever-side lock portion formed on the lever are engaged to rotate the lever. In the lever-fitting connector where movement is restricted,
In order to suppress the backlash in the lever rotation operation direction that occurs after the housing side lock portion and the lever side lock portion are engaged, a housing side backlash stop portion is formed on the one connector housing, and the lever is also Forming a lever side ratchet portion that engages with the housing side ratchet portion ;
Forming the housing-side rattling part and the lever-side rattling part at a position closer to the pivot axis of the lever than the housing-side locking part and the lever-side locking part;
In order to guide the driven pin formed in the other connector housing to the cam groove of the lever, a bridge portion is provided in the one connector housing, and the housing side rattling stop portion is formed inside the bridge portion, The lever fitting type connector , wherein the lever side ratchet portion is formed above the edge portion of the lever that reaches the bridge portion . In the lever fitting type connector according to claim 1,
When the distance between the distal end of the housing side ratchet portion in the bridge portion and the opening proximal end position of the bridge portion is a dimension GS, and the protruding height of the driven pin relative to the outer surface of the other connector housing is a dimension PT, The housing side ratchet portion and the driven pin are formed so that GS <PT is satisfied, or the distance between the tips of the housing side ratchet portions in the pair of bridge portions is a dimension GS ′, and a pair of Lever fitting characterized in that a pair of said housing side backlash stoppers and a pair of said driven pins are formed so that GS '<PT' is established, where the distance between the tips of said driven pins is defined as PT ' Combined connector. In the lever fitting type connector according to claim 2,
And forming a contact engaging surface on both leaving at contact portions between the driven pin and the housing-side backlash preventing portion, continuously the abutment engaging surface on one of the withdrawal time of contact portions A lever-fitting connector characterized by forming a release taper . In the lever fitting type connector according to claim 2 ,
A lever fitting type connector, characterized in that a guide taper is formed in one of the contact portions at the time of fitting between the housing side rattling stop and the driven pin . In the lever fitting type connector according to any one of claims 1 to 4,
The lever-fitting connector , wherein the housing-side backlash stopper and the lever-side backlash stopper are arranged and formed so as to engage with each other at a position where the housing side lock and the lever side lock are not brought into contact with each other. . In the lever fitting type connector according to any one of claims 1 to 5 ,
The lever-fitting connector is characterized in that the housing-side backlash stopper is formed in a shape that becomes a concave protrusion, and the lever-side backlash stopper is formed in a shape of a convex protrusion that engages with a concave portion of the concave protrusion . In the lever fitting type connector according to claim 6 ,
The housing-side backlash preventing portion to be pre-Symbol凹突force, to form a first tapered surface for guiding a direction rides the lever-side play preventing portion which becomes the convex protrusion, continuous to the first taper surface the lever A lever-fitting-type connector , wherein a second tapered surface that guides the side back-stop portion toward the concave portion is formed.

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