JP5824288B2 - Lever type connector - Google Patents

Description

  The present invention relates to a lever-type connector that can be connected to each other with a low operation force by rotating a fitting operation lever provided in one connector housing.

FIG. 11 shows a lever-type connector disclosed in Patent Document 1 below.
The lever-type connector 100 includes a first connector housing 110, a second connector housing 120, and a fitting operation lever 130.

  The first connector housing 110 accommodates the first connection terminals and has fitting operation protrusions 111 on both upper and lower outer surfaces.

  The second connector housing 120 accommodates a second connection terminal that is conductively connected to the first connection terminal, and is fitted and connected to the first connector housing 110. An arrow X <b> 1 illustrated in FIG. 11 indicates a fitting connection direction of the first connector housing 110 with respect to the second connector housing 120. When the second connector housing 120 is fitted and connected to the first connector housing 110, the second connection terminal is in sliding contact with the first connection terminal, and the second connection terminal is the first connection terminal. Is connected to the connection terminal.

  The fitting operation lever 130 is rotatably mounted on the connector housing 120. The fitting operation lever 130 includes a pair of cam plates 131 disposed above and below the second connector housing 120, and an operation unit 132 that connects end portions of the pair of cam plates 131. The pair of cam plates 131 is coupled to the second connector housing 120 so as to be rotatable about the cam support shaft 133 as a rotation center.

  The pair of cam plates 131 are arranged corresponding to the arrangement of the fitting operation protrusions 111 in the first connector housing 110, and include a protrusion guide groove 135 into which the fitting operation protrusions 111 can enter. .

  When the fitting operation lever 130 is rotated in the direction of arrow A in FIG. 11 by operating the operation unit 132, the fitting operation protrusion 111 is moved from the start end 135 a to the end end 135 b of the protrusion guide groove 135 in accordance with the rotation operation. By pulling, the connector housings are connected to each other.

  In the case of the lever-type connector 100 of Patent Document 1, the turning operation of the fitting operation lever 130 in the fitting promotion direction (the direction of arrow A in FIG. 11) is completed, and the fitting operation protrusion 111 is formed into the protrusion guiding groove 135. When the connector housing moves to the end of the connector housing, the fitting between the connector housings becomes the deepest, and the connector housings reach a normal fitting completion position.

  In other words, during the fitting operation of the connector housing, the sliding contact between the first connection terminal and the second connection terminal moves in the fitting direction as the turning amount of the fitting operation lever increases. When the fitting operation projection 111 moves to the end of the projection guiding groove 135, the sliding contact is moved to the maximum in the fitting direction.

Japanese Patent Laid-Open No. 04-62773

  By the way, when the contact part of the 1st connection terminal and 2nd connection terminal which are in sliding contact is plated, the abrasion powder of plating generate | occur | produces by sliding contact.

  When the plating applied to the contact portions of the first connection terminal and the second connection terminal is plating of a tin alloy or pure tin, if a pressing load acts on the abrasion powder generated by the sliding contact, the whisker (needle-like) Single crystal) is likely to occur.

  The whisker is a whisker-like crystal product generated on the surface of the plating film, and is easily generated when plated with a tin alloy or pure tin. After the generation, the whisker may grow and cause a failure such as a short circuit. .

  In the case of the lever-type connector 100 of Patent Document 1, when the fitting between the connector housings by the rotation of the fitting operation lever is completed, the sliding contact between the first connection terminal and the second connection terminal is generated. Since it is in the state moved to the fitting direction as much as possible, the abrasion powder generated by the sliding of the sliding contact is gathered at the final arrival point of the sliding contact and is easily subjected to a pressing load from the sliding contact.

  For this reason, when the sliding contact is plated with a tin alloy or pure tin, whiskers are likely to occur, and there is a risk of failure due to whiskers.

  Accordingly, an object of the present invention is to solve the above-mentioned problems, and can connect and connect the connector housings with a small operating force, and suppress the occurrence of whiskers in the conductive connection portion between the connection terminals. An object of the present invention is to provide a lever-type connector that can prevent the occurrence of failure due to whiskers.

The above-described object of the present invention is achieved by the following configuration.
(1) a first connector housing that houses the first connection terminal and has a fitting operation protrusion;
A second connection terminal that is conductively connected to the first connection terminal is accommodated, and the second connection terminal is brought into sliding contact with the first connection terminal by being fitted and connected to the first connector housing. A second connector housing in which the second connection terminal is conductively connected to the first connection terminal;
The second connector housing is provided with a protrusion guiding groove that is rotatably mounted and into which the fitting operation protrusion can enter, and the fitting operation protrusion is terminated from the start end of the protrusion guiding groove by a turning operation. A mating operation lever that mates and connects the connector housings by
A lever-type connector comprising:
The protrusion guiding groove is
An introduction portion into which the fitting operation protrusion enters when the first connector housing and the second connector housing are brought into a fitting start position;
The connector housings are normally formed by pulling the fitting operation protrusion toward the terminal end side of the protrusion guiding groove by a rotation operation in the fitting promotion direction of the fitting operation lever formed continuously in the introduction portion. A fitting execution unit for fitting deeper than the fitting completion position;
The connector operation housing is formed continuously from the end of the fitting execution portion, and the fitting operation protrusion is pulled into the end side of the protrusion guiding groove by rotating the fitting operation lever in the fitting promotion direction. A mating return portion that returns the mating position to a normal mating completion position;
In a lever-type connector comprising:
The first connector housing is a board connector mounted on a printed circuit board;
The lever, wherein the second connector housing is a cable connector that houses a flat circuit body connected to the printed circuit board and holds a conductor pattern on the flat circuit body as the second connection terminal. Type connector.

  According to the configuration of (1) above, the connector housings are connected to each other by the turning operation of the fitting operation lever, and the connector operation housing has a small operation force by giving the fitting operation lever an insulator action. They can be fitted and connected to each other.

  According to the configuration of (1) above, when the fitting operation lever is turned in the fitting propulsion direction in order to fit and connect the first connector housing and the second connector housing, In a state in which the fitting operation projection of the connector housing is engaged with the fitting execution portion of the projection guiding groove, the first connection terminal and the second connection terminal are increased as the amount of rotation of the fitting operation lever increases. The sliding contact between them moves in the fitting direction. When the fitting operation protrusion reaches the end of the fitting execution portion, the connector housings are fitted deeper than the normal fitting completion position, and the sliding contact is moved to the maximum in the fitting direction. It becomes a state.

  Further, when the fitting operation lever is further rotated in the fitting promotion direction, the fitting operation protrusion moves on the fitting return portion of the protrusion guiding groove. When the fitting operation projection moves in the fitting return portion, the connector housings move in the fitting release direction in accordance with the amount of movement from the end of the fitting execution portion. When the fitting operation projection reaches the end of the fitting return portion, the fitting position between the connector housings is returned to the normal fitting completion position.

  That is, according to the configuration of (1), the sliding contact between the first connection terminal and the second connection terminal when the connector housings are fitted and connected by rotating the fitting operation lever. Is moved to the mating direction to the maximum extent and then returned to the opposite side to the mating direction to be positioned at a normal connection completion position.

  Therefore, when the mating connection between the connector housings is completed, the wear powder generated during the sliding operation of the sliding contact is pushed out to the position where the sliding contact has moved to the maximum mating direction. Since the contact is separated from the wear powder, no pressing load acts on the wear powder from the sliding contact.

  Therefore, even when the sliding contact is plated with a tin alloy or pure tin, it is possible to suppress the occurrence of whisker in the conductive connection portion between the connection terminals and prevent the occurrence of a failure due to the whisker.

According to the configuration of (1) , the lever-type connector is configured to engage and connect the cable connector and the board connector by rotating the fitting operation lever provided in the cable connector. The body is connected to the circuit on the printed circuit board, and the flat circuit body and the printed circuit board can be connected with a small operating force.

  Then, the first connection terminal accommodated in the board connector and the conductor pattern on the flat circuit body that is in sliding contact with the first connection terminal as the second connection terminal are plated with tin alloy or pure tin. Even in such a case, the occurrence of whiskers can be prevented by suppressing the occurrence of whiskers in the conductive connection part between the connection terminals.

  According to the lever type connector of the present invention, the connector housings are configured to be fitted and connected by rotating the fitting operation lever. They can be fitted and connected to each other.

  According to the lever type connector of the present invention, the sliding contact between the first connection terminal and the second connection terminal when the connector housings are fitted and connected by rotating the fitting operation lever. Is moved to the mating direction to the maximum extent and then returned to the opposite side to the mating direction to be positioned at a normal connection completion position.

  Therefore, when the mating connection between the connector housings is completed, the wear powder generated during the sliding operation of the sliding contact is pushed out to the position where the sliding contact has moved to the maximum mating direction. Since the contact is separated from the wear powder, no pressing load acts on the wear powder from the sliding contact.

  Therefore, even when the sliding contact is plated with a tin alloy or pure tin, it is possible to suppress the occurrence of whisker in the conductive connection portion between the connection terminals and prevent the occurrence of a failure due to the whisker.

It is a disassembled perspective view of 1st Embodiment of the lever-type connector which concerns on this invention. FIG. 3 is a perspective view of a state in which the first connector housing and the second connector housing of the lever-type connector shown in FIG. 1 are butted to the fitting start position. From the state shown in FIG. 2, the fitting operation lever is rotated in the fitting promotion direction, and the fitting operation protrusion is drawn to the end of the fitting execution portion of the protrusion guiding groove in the fitting operation lever. It is a perspective view. FIG. 4 is an explanatory diagram showing a positional relationship between the position of wear powder generated by sliding of the sliding contact and the position of the sliding contact in the fitted connection state shown in FIG. 3. The fitting operation lever is further rotated in the fitting promotion direction from the state shown in FIG. 3, and the fitting operation protrusion is drawn to the end of the fitting return portion of the protrusion guiding groove in the fitting operation lever. FIG. FIG. 6 is an explanatory diagram showing a positional relationship between the position of wear powder generated by sliding of the sliding contact and the position of the sliding contact in the fitted connection state shown in FIG. 5. It is explanatory drawing of the 1st connector housing and 2nd connector housing in 2nd Embodiment of the lever-type connector which concerns on this invention. It is operation | movement explanatory drawing of the fitting operation lever with which the 2nd connector housing shown in FIG. 7 was equipped. The connector housing when the fitting operation projection of the first connector housing shown in FIG. 7 is pulled to the end of the fitting execution portion of the projection guiding groove in the fitting operation lever by the turning operation of the fitting operation lever. It is explanatory drawing of a mutual fitting state. FIG. 10A is a schematic side view showing the positional relationship between the sliding contact and the wear powder when the fitting operation protrusion of the first connector housing shown in FIG. 7 is drawn to the end of the fitting return portion. FIG. 10B is a schematic plan view showing the positional relationship between the sliding contact and the wear powder shown in FIG. It is a disassembled perspective view of the conventional lever type connector.

  Hereinafter, a preferred embodiment of a lever connector according to the present invention will be described in detail with reference to the drawings.

[First Embodiment]
1 to 6 are explanatory views of a first embodiment of the lever type connector according to the present invention, FIG. 1 is an exploded perspective view of the lever type connector of the first embodiment of the present invention, and FIG. 2 is shown in FIG. FIG. 3 is a perspective view of the lever-type connector in which the first connector housing and the second connector housing are butted to the mating start position. FIG. 3 shows the mating operation lever from the state shown in FIG. FIG. 4 is a perspective view showing a state where the fitting operation protrusion is drawn to the end of the fitting execution portion of the protrusion guiding groove in the fitting operation lever, and FIG. 4 is the fitting connection state shown in FIG. FIG. 5 is an explanatory view showing the positional relationship between the position of the wear powder generated by sliding of the sliding contact and the position of the sliding contact, FIG. 5 is a state in which the fitting operation lever further moves in the fitting propulsion direction from the state shown in FIG. When the fitting return lever of the projection guiding groove in the fitting operation lever is rotated FIG. 6 is a perspective view showing a state in which the protrusion for fitting operation is drawn to the end, and FIG. 6 shows the position of wear powder generated by sliding of the sliding contact and the position of the sliding contact in the fitting connection state shown in FIG. It is explanatory drawing which shows these positional relationships.

  As shown in FIG. 1, the lever-type connector 1 of the first embodiment includes a first connector housing 10, a second connector housing 20, and a fitting operation lever 30.

  The first connector housing 10 has a structure in which the first connection terminal 40 is accommodated and the fitting operation protrusion 12 is provided on the upper outer surface 11. In the case of the present embodiment, the fitting operation protrusion 12 has a cylindrical shape.

  In the case of this embodiment, the first connector housing 10 is a board connector mounted on the printed circuit board 50, and the first connection terminal 40 is electrically connected to the circuit contact of the board by soldering or the like at the base end side. This is a board terminal.

  As shown in FIG. 1, the first connection terminal 40 includes an arm-shaped terminal main body 42 having a protruding sliding contact 41 and a clamping arm 43 parallel to the terminal main body 42. The first connection terminal 40 has a second connection terminal 61 (see FIG. 4) accommodated in the second connector housing 20, and is sandwiched between the sliding contact 41 and the sandwiching arm 43. The connection terminal 61 is conductively connected. An arrow B illustrated in FIG. 1 indicates a terminal insertion direction when the first connection terminal 40 is inserted and mounted in the first connector housing 10.

  The second connector housing 20 accommodates a second connection terminal 61 (see FIG. 4) that is conductively connected to the first connection terminal 40.

  In the case of the present embodiment, the second connector housing 20 is a cable connector that houses the flat circuit body 60 connected to the printed circuit board 50 and is fitted and connected to the first connector housing 10 and is called a slider. There is also.

  In the case of this embodiment, the second connection terminal 61 is a conductor pattern on the flat circuit body 60 accommodated in the second connector housing 20. Although not shown, the flat circuit body 60 is held by the second connector housing 20 with the conductor pattern as the second connection terminal 61 facing downward.

  When the first connector housing 10 and the second connector housing 20 are fitted and connected, the sliding contact 41 of the first connection terminal 40 is in sliding contact with the second connection terminal 61 which is a conductor pattern. Thus, the second connection terminal 61 is conductively connected to the first connection terminal 40.

  The fitting operation lever 30 includes a cam plate 33 coupled to the upper wall 21 of the second connector housing 20 so as to be rotatable about the cam support shaft 31, and a handle for rotating the cam plate 33. And an operation unit 34.

  The cam plate 33 is provided with a projection guiding groove 35 into which the fitting operation protrusion 12 can enter, and by pulling the fitting operation protrusion 12 from the start end 35a to the end end 35b of the protrusion guiding groove 35 by a turning operation, the connector housing Mating and connecting each other.

  In the case of the present embodiment, as shown in FIG. 2, the protrusion guiding groove 35 includes an introduction part 35a, a fitting execution part 35b, and a fitting return part 35c.

  As shown in FIG. 2, the introduction portion 35a is an entrance of a groove into which the fitting operation projection 12 enters when the first connector housing 10 and the second connector housing 20 are brought into a fitting start position. is there.

  The fitting execution part 35b is formed continuously with the introduction part 35a, and the fitting operation protrusion 12 is formed by the turning operation of the fitting operation lever 30 in the fitting promotion direction (the direction of arrow R1 in FIG. 2). Is pulled into the end of the groove. When the fitting operation portion 35b retracts the fitting operation projection 12 to the end portion of the fitting execution portion 35b as shown in FIG. 3, the fitting housing portion 35b causes the connector housings to be fitted deeper than the normal fitting completion position. .

  4 shows the position of the sliding contact 41 with respect to the second connection terminal 61 when the fitting operation projection 12 reaches the terminal end of the fitting execution portion 35b as shown in FIG. The position of the wear powder 71 generated by the sliding is shown.

  In a state where the fitting operation projection 12 reaches the terminal end of the fitting execution portion 35b, the sliding contact 41 is moved to the maximum in the fitting direction (the arrow X2 direction in FIG. 4). As shown in FIG. 4, the wear powder 71 generated by the sliding friction of the sliding contact 41 is pushed out to the arrival point of the sliding contact 41 and accumulated around the sliding contact 41.

  As shown in FIG. 3, the fitting return portion 35 c is formed continuously with the end of the fitting execution portion 35 b, and the fitting operation lever 30 is turned by a turning operation in the fitting promotion direction. The projection 12 is further drawn toward the end of the groove. The fitting return portion 35c moves the connector housings relative to each other in the fitting release direction in accordance with the turning operation of the fitting operation lever 30 in the fitting promotion direction, and as shown in FIG. When the fitting operation protrusion 12 is pulled to the end of 35c, the fitting position between the connector housings is returned to the normal fitting completion position.

  FIG. 6 shows the position of the sliding contact 41 with respect to the second connection terminal 61 when the fitting operation projection 12 reaches the terminal end of the fitting return portion 35c as shown in FIG. The position of the wear powder 71 generated by the sliding is shown.

  In a state in which the fitting operation projection 12 has reached the terminal end of the fitting return portion 35c, the sliding contact 41 is pulled back by a predetermined distance L1 from the maximum reaching point shown in FIG. . Therefore, as shown in FIG. 6, the sliding contact 41 is separated from the position where the wear powder 71 is accumulated, and is in a non-contact state with the wear powder 71.

  In the lever-type connector 1 of the first embodiment described above, the connector housings are fitted and connected by the turning operation of the fitting operation lever 30, and the fitting operation lever 30 has a lever action. The connector housings can be fitted and connected with a small operating force.

  In the lever connector 1 according to the first embodiment described above, the fitting operation lever 30 is moved in the fitting propulsion direction in order to fit and connect the first connector housing 10 and the second connector housing 20. When the fitting operation projection 12 of the first connector housing 10 is engaged with the fitting execution portion 35b of the projection guiding groove 35 when the turning operation is performed, the amount of rotation of the fitting operation lever 30 is increased. Accordingly, the sliding contact 41 between the first connection terminal 40 and the second connection terminal 61 moves in the fitting direction. When the fitting operation protrusion 12 reaches the end of the fitting execution portion 35b, the connector housings are fitted deeper than the normal fitting completion position, and the sliding contact 41 is as shown in FIG. It will be in the state which moved to the fitting direction to the maximum.

  When the fitting operation lever 30 is further rotated in the fitting promotion direction, the fitting operation protrusion 12 moves on the fitting return portion 35 c of the protrusion guiding groove 35. When the fitting operation projection 12 moves on the fitting return portion 35c, the connector housings move in the fitting release direction in accordance with the amount of movement from the end of the fitting execution portion 35b. When the fitting operation projection 12 reaches the end of the fitting return portion 35c, as shown in FIG. 6, the fitting position between the connector housings is returned to the normal fitting completion position.

  That is, in the lever-type connector 1 according to the first embodiment described above, when the connector housings are fitted and connected by the turning operation of the fitting operation lever 30, the first connection terminal 40 and the second connection terminal are connected. The sliding contact point 41 between the first contact point 61 and the first contact point 61 moves to the maximum in the fitting direction, then returns to the opposite side to the fitting direction, and is positioned at a proper connection completion position.

  For this reason, when the fitting connection between the connector housings is completed, the wear powder 71 generated during the sliding operation of the sliding contact 41 is pushed out to the position where the sliding contact 41 has moved to the maximum in the fitting direction. Since the sliding contact 41 is separated from the wear powder 71, no pressing load acts on the wear powder 71 from the sliding contact 41.

  Therefore, even when the sliding contact 41 is plated with a tin alloy or pure tin, it is possible to suppress the occurrence of whisker at the conductive connection portion between the connection terminals and to prevent the occurrence of a failure due to the whisker.

  Moreover, in the lever type connector 1 of 1st Embodiment demonstrated above, the lever type connector 1 is a cable by rotation operation of the fitting operation lever 30 with which the 2nd connector housing 20 which is a connector for cables was equipped. The connector for circuit board and the connector for circuit board are fitted and connected, and the flat circuit body 60 is connected to the circuit on the printed circuit board 50. The connection between the flat circuit body 60 and the printed circuit board 50 is achieved with a small operating force. be able to.

  The conductor pattern on the flat circuit body 60 that is in sliding contact with the first connection terminal 40 accommodated in the board connector or the second connection terminal 61 is tin alloy or pure tin. Even in the case of plating with, it is possible to suppress the occurrence of whiskers at the conductive connection portion between the connection terminals and prevent the occurrence of failures due to the whiskers.

[Second Embodiment]
FIGS. 7 to 10 are explanatory views of a second embodiment of the lever-type connector according to the present invention, and FIG. 7 is a first connector housing and a second connector constituting the lever-type connector of the second embodiment of the present invention. FIG. 8 is an explanatory view of the housing, FIG. 8 is an operation explanatory view of the fitting operation lever provided in the second connector housing shown in FIG. 7, and FIG. 9 is a fitting operation protrusion of the first connector housing shown in FIG. These are explanatory drawings of the fitting state between the connector housings when the fitting operation lever is retracted to the end of the fitting execution portion of the projection guiding groove in the fitting operation lever. FIG. 10A is a schematic diagram showing the positional relationship between the sliding contact and the wear powder when the fitting operation protrusion of the first connector housing shown in FIG. 7 is drawn to the end of the fitting return portion. FIG. 10B is a schematic plan view showing the positional relationship between the sliding contact and the wear powder shown in FIG.

  In the lever-type connector 1 </ b> A of the second embodiment, the arrangement of the fitting operation protrusions 12 is changed to both side surfaces of the first connector housing 10 as shown in FIG. 7. Further, the arrangement of the fitting operation lever 30 is also changed to the both side surfaces of the second connector housing 20 in accordance with the arrangement change of the fitting operation protrusion 12.

  Also in the case of the lever type connector 1A of the second embodiment, the protrusion guide groove 35 formed in the fitting operation lever 30 is fitted with the introduction portion 35a described in the first embodiment as shown in FIG. The execution part 35b and the fitting return part 35c are provided. When the fitting operation projection 12 reaches the end of the fitting execution portion 35b by the turning operation of the fitting operation lever 30, the sliding contact 41 moves in the fitting direction to the maximum as shown in FIG. The wear powder 71 generated by the sliding of the sliding contact 41 is accumulated around the sliding contact 41. Under this situation, when a pressing load acts on the wear powder 71 from the sliding contact 41, whisker W may be generated from the wear powder 71 as shown in FIG.

  In the case of this second embodiment, as shown in FIG. 7, in the fitting return portion 35c, the movement length of the fitting operation projection 12 up to the end is set to L2. By setting the moving length L2, when the fitting operation projection 12 is moved to the end of the fitting return portion 35c by the turning operation of the fitting operation lever 30, the sliding contact 41 is worn as shown in FIG. Since the sliding contact point 41 is brought into a non-contact state with respect to the wear powder 71 from the accumulation position of the powder 71 by L2, the generation of whiskers can be suppressed as in the case of the first embodiment. it can.

  In the case of the lever-type connector 1A of the second embodiment, the configuration other than the change in the arrangement of the fitting operation protrusions 12 and the fitting operation lever 30 may be the same as in the first embodiment. About a common structure, the same number as 1st Embodiment is attached | subjected and description is abbreviate | omitted.

  The lever-type connector of the present invention is not limited to the above-described embodiments, and appropriate modifications and improvements can be made.

  In particular, the arrangement of the fitting operation protrusions on the first connector housing and the arrangement of the fitting operation levers on the second connector housing can be appropriately changed according to the shape of the connector. The first connector housing is not limited to the board connector shown in the above embodiment, and the second connector housing is not limited to the cable connector shown in the above embodiment.

1,1A Lever type connector 10 First connector housing (board connector)
12 Protrusion for fitting operation 20 Second connector housing (connector for cable)
30 fitting operation lever 35 protrusion guide groove 35a introduction part 35b fitting execution part 35c fitting return part 40 first connection terminal (terminal for board)
61 Second connection terminal (conductor pattern)
71 Wear powder

Claims (1)

A first connector housing that houses the first connection terminal and has a fitting operation projection;
A second connection terminal that is conductively connected to the first connection terminal is accommodated, and the second connection terminal is brought into sliding contact with the first connection terminal by being fitted and connected to the first connector housing. A second connector housing in which the second connection terminal is conductively connected to the first connection terminal;
The second connector housing is provided with a protrusion guiding groove that is rotatably mounted and into which the fitting operation protrusion can enter, and the fitting operation protrusion is terminated from the start end of the protrusion guiding groove by a turning operation. A mating operation lever that mates and connects the connector housings by
A lever-type connector comprising:
The protrusion guiding groove is
An introduction portion into which the fitting operation protrusion enters when the first connector housing and the second connector housing are brought into a fitting start position;
The connector housings are normally formed by pulling the fitting operation protrusion toward the terminal end side of the protrusion guiding groove by a rotation operation in the fitting promotion direction of the fitting operation lever formed continuously in the introduction portion. A fitting execution unit for fitting deeper than the fitting completion position;
The connector operation housing is formed continuously from the end of the fitting execution portion, and the fitting operation protrusion is pulled into the end side of the protrusion guiding groove by rotating the fitting operation lever in the fitting promotion direction. A mating return portion that returns the mating position to a normal mating completion position;
In a lever-type connector comprising:
The first connector housing is a board connector mounted on a printed circuit board;
The lever, wherein the second connector housing is a cable connector that houses a flat circuit body connected to the printed circuit board and holds a conductor pattern on the flat circuit body as the second connection terminal. Type connector.

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