JPH1154210A - Connector-connection structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the half-fitting of a connector. SOLUTION: An assembly is provided with a female connector 2, another assembly is provided with a connector frame 4, the connector frame is provided with a spring piece 29 and a connector stop part 24, a male connector 5 is provided with an engagingly lock part 34 with respect to a spring piece, and the female connector has an unlock part 41a which is pushed and connected to the spring piece. The female connector has a housing cut-out part 42 with respect to the engagingly lock part 34. In addition, it is effective that a detection hole positioned on a same axis with it being completely engaged with the male and female connectors may be provided, and a detection rod capable of advancing the detection hole may be provided at an auxiliary machine on another assembly side. In addition, at the opening rim of a bracket of the assembly, a holding arm having an engagingly lock part is provided, an engagement part against the engagingly lock part is provided at the male connector, the female connector has an unlock part for pushing and connecting to the holding arm, and the auxiliary machine can be stroked in a connector engagement direction with it, being in completely assembled with the assembly at a time when the female connector is completely engaged with the male connector.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector connection structure in which, for example, a male connector on a door trim side is engaged with a female connector on a door inner panel and released from the door trim side.

[0002]

2. Description of the Related Art FIG. 12 shows an example of a conventional connector connection structure (Japanese Utility Model Laid-Open No. 5-19014). This structure is based on the door inner panel 86 and the door trim 8 of the automobile.
7 and wiring harnesses 88 and 89, respectively, and assembling the door trim 87 to the door inner panel 86, and at the same time, connectors 90 and 9 of the respective wire harnesses 88 and 89.
1 are connected to each other.

[0003] Each connector 90, 91 has a bracket 92,
It is fixed to the door inner panel 86 and the door trim 87 via bolts 93 and the like. By connecting the two connectors 90 and 91, for example, a switch unit (not shown) on the door trim 87 side and each accessory (not shown) on the door inner panel 86 side are connected.

[0004]

However, in the above-mentioned conventional structure, when the handle of the door trim 87 is pulled by closing the door or the like, the door trim 87 is pulled together with the connector 91 toward the passenger compartment, and the connector trim is pulled. There is a problem that the fitting of 90 and 91 is likely to be incomplete (semi-fitting).
In addition, when the door trim 87 is assembled to the door inner panel 86, the fitting state of the connectors 90 and 91 cannot be visually checked, so that it is difficult to know even if the connector 91 is incompletely fitted. There has been a problem that it is difficult to perform the matching, and the accuracy of the fitting is lacking.

Incidentally, in order to prevent half-fitting of the connectors, both connectors can be forcibly fitted by screwing bolts and nuts (not shown). In this case, for example, a bolt hole is formed in the door trim 87. It has to be opened, which causes a problem that the appearance deteriorates.

The present invention has been made in view of the above points, and for example, even when the door trim is pulled in the detaching direction together with the connector, the fitting of the connector is not incomplete, and the fitting of the connector is incomplete. It is an object of the present invention to provide a connector connection structure capable of reliably detecting the abnormality even in a case where the connector is connected, and ensuring that the connectors are fitted to each other.

[0007]

In order to achieve the above object, the present invention provides a method for manufacturing a vehicle, comprising the steps of:
A connector frame is provided on the other assembly, a spring piece is provided on the connector frame, a locking projection for the spring piece is provided on the male connector, and the female connector presses against the spring piece for unlocking. A connector connection structure having a portion is adopted (claim 1). A structure in which a male connector stop is provided in the connector frame is also possible (claim 2). Further, a structure in which an accommodation cutout portion for the locking projection is formed in the female connector is also possible (claim 3). A structure in which an inclined guide surface is formed on each front opening side of the connector frame and the female connector is also effective (claim 4). A structure in which locking means is provided on the male connector and the female connector is also possible (claim 5). Further, in the structure according to any one of claims 1 to 4, a detection hole positioned on the same axis in a completely fitted state of the male connector and the female connector is provided in the male connector and the female connector. A structure is also effective in which a detection rod which is able to enter into the accessory is provided on the accessory on the other assembly side (claim 6). In a connector connection structure in which an accessory can be attached to the assembly, a male connector is provided on a bracket of the assembly, and a female connector of the accessory is connected to the male connector. On the opening edge, a holding arm having a locking portion is provided, an engaging portion for the locking portion is provided on the male connector, and the female connector has a locking release portion for pressing against the holding arm, When the female connector is completely fitted to the male connector, a connector connection structure is adopted in which the accessory is incompletely assembled to the assembly and can be stroked in the connector fitting direction (claim 7). A structure is also possible in which a spring piece contacting the male connector at the opening edge is provided in the 90 ° direction of the holding arm (claim 8). Further, in the structure of claim 1 or 7, it is possible that the locking release portion is a housing wall of the female connector (claim 9).

The main operation based on the above configuration will be described below. In the configuration of the first aspect, the male connector is fitted to the female connector by joining the two assembled bodies to each other. The spring piece is deflected by being pressed outward at the unlocking portion of the female connector,
The lock is released and the male connector is released from the connector frame. Further, in the configuration of claim 6, after the two assembled bodies are joined to each other, by attaching an auxiliary machine, the detection rod penetrates from the detection hole of the female connector to the detection hole of the male connector. Both connectors are locked by the detection rod. In the configuration of the seventh aspect, the male connector is completely fitted to the female connector while being held by the holding arm. afterwards,
The unlocking portion of the female connector pushes the holding arm outward, spreads the female connector together with the male connector in the connector fitting direction, and completes the assembly of the accessory.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 and 2 show a first embodiment of a connector connection structure according to the present invention. FIG.
, A waiting female connector 2 is fixed to a door inner panel (one assembled body) 1, a connector frame 4 is fixed to a door trim (the other assembled body) 3, and a male connector 5 is It is provided movably in the connector 2 direction.

In this embodiment, the female connector 2 is directly attached to a power window motor unit 6, which is one of the auxiliary machines.
The motor unit (auxiliary device) 6 is embedded in the door inner panel 1, and the female connector 2 projects from the door inner panel 1 toward the door trim 3. The door inner panel 1 is further provided with auxiliary equipment such as a speaker 7 and a door lock unit 8, and the auxiliary equipments 7 and 8 are respectively provided with standby connectors 9 and
Continue to 10.

A plurality of electric wires 11 are led out from the male connector 5 on the door trim 3 side to form a branch line 13 of a wire harness 12 on the door trim side. Wire harness 1
2 main line 14 is a switch unit 15 on the front side of the door trim.
And one end of the main line 14 continues to the external connection portion 16,
The other branch lines are connected to the courtesy lamp 17 and the male connecting portions 18 and 19 for the standby connectors 9 and 10. The male-side connection portions 18 and 19 have terminal conductors exposed on the surface of the flexible plate 20. The male connection portions 18 and 19
A connector frame 4 and a movable male connector 5
Of course, it is also possible to constitute with.

In FIG. 2, the connector frame 4 is formed of a synthetic resin into a substantially rectangular cylindrical shape, and has a mounting portion 22 for the door trim 3 outside the rear end. Mounting part 22
Is fixed to the door trim 3 by, for example, engaging a resin clip (not shown) integral with the door trim 3 in the engagement hole 23. At the rear end of the connector frame 4, left and right stop walls (male connector stop portions) 24 for contact with the male connector 5 are provided. In the center of the stop wall 24, a slit hole 25 for leading out the electric wire is formed.

A slit hole 27 for inserting an electric wire is formed in the center of the upper wall 26 of the connector frame 4 in the front-rear direction. A pair of leaf spring-like spring pieces 29, 29 for temporarily holding the connector are formed on the inner side surfaces of both side walls 28 of the connector frame 4 so as to project from the front to the rear. The spring piece 29 rises from the front opening 30 of the connector frame 4 to bend and extend rearward, and has a locking surface 29a for the male connector 5 at the rear end (free end). The front opening 30 is formed with a tapered inclined guide surface 31 for the mating female connector 2. A similar spring piece (not shown) may be provided on the lower wall of the connector frame 28 to stably support the male connector 5.

The male connector 5 comprises a male connector housing 32 made of synthetic resin and female terminals (not shown) in the housing 32. The female terminal is connected to the electric wire 11. At the center in the height direction of both side walls 33 of the male connector housing 32, a locking projection (locking portion) 3 for the spring piece 29 is provided.
4 are formed. The locking portion is a concave portion (not shown)
It may be. The locking projection 34 has a spring piece 29 at the front end.
Has a contact surface 34a perpendicular to the locking surface 29a, and a tapered sliding contact surface 34b that contacts the curved surface 29b of the spring piece 29 on the rear side. The spring piece 29 has a flexure amount equal to or greater than the height of the locking projection 34.

On the upper wall 35 of the male connector housing 32, a lock projection (lock means) 36 having a substantially isosceles triangular longitudinal section with respect to the female connector 2 is formed. The lock projection 36 has a tapered guide inclined surface 36a on the front side. The lock protrusion 36 is located to face the upper slit hole 27 of the connector frame 4.

The female connector 2 has a female connector housing 38 made of synthetic resin and a connector fitting chamber 39 of the housing 38.
And a male terminal 40 protruding inward. Both side walls 41 of the female connector housing 38 function as unlocking walls for the spring piece 29. In this example, the front end portions 41a of both side walls 41 serve as the unlocking portions. A pair of cutouts (housing cutouts) 42 capable of housing the respective locking projections 34 of the male connector 5 are formed at the center in the height direction of the side walls 41. The bottom surface 42 a of the notch 42 faces the contact surface 34 a of the locking projection 34. The plate thickness of the bottom portion 42 a is set to be the same as or slightly thicker than the height of the locking projection 34.

A tapered inclined guide surface 43 for the male connector 5 is formed inside the front opening 46 from the inside of the bottom portion 42a to the front end of the female connector housing 38. Note that the width of the notch 42 may be slightly larger than the width of the spring piece 29 so that the spring piece 29 can enter the notch 42, and the outer corner 42b of the bottom 42a may be an unlocking part. The upper wall 44 of the female connector housing 38 has a rectangular engagement hole (lock means) for the lock projection 36.
45 are formed.

FIGS. 3A and 3B show the operation of the connector connection structure (connector connection method). First, FIG.
As shown in (a), the male connector 5 is temporarily held in the connector frame 4 on the door trim 3 side. That is, as shown by the arrow A in FIG.
By inserting into the inside, the locking projection 34 gets over the spring piece 29, and the tip 29 a of the spring piece 29 comes into contact with the contact surface 34 a of the locking projection 34. The male connector 5 is movably supported by each spring piece 29 and is housed inside the connector frame 4.

In this state, the door trim 3 is assembled to the door inner panel 1 (FIG. 1). The female connector 2 on the door inner panel side is guided by the inclined guide surface 31 and inserted into the connector frame 4. At the same time, while the front end of the male connector 5 is being centered on the inclined guide surface 43, FIG.
It is inserted into the female connector 2 as shown in FIG.

Accordingly, the male connector 5 and the female connector 2
And the lock projection 36 (FIG. 2) is engaged with the engagement hole 45. Thereafter, the notch 42 pushes and expands the spring piece 29, so that the locking projection 34 is slightly separated from the spring piece 29, and the rear end of the connector abuts against the stop wall 24. The spring piece 29 is pushed outward by both side walls (an unlocking wall or a housing wall) 41 of the female connector housing 38 to be bent, and the locking projection 3
Separated from 4. The bottom surface 42a of the cutout portion 42 is
4 without any gap.

The male connector 5 is released from the connector frame 4 by releasing the spring piece 29 from the locking projection 34. Further, the locking projection 34 does not protrude outside the release wall 41. Thereby, when the door is closed, the door trim 3
When the connector frame 4 is bent toward the passenger compartment and a gap is formed between the door inner panel 1 and the door trim 3, only the connector frame 4 moves integrally with the door trim 3 and the spring piece 2
9 smoothly passes along the outer surface of the release wall 41 and the outer surface of the locking projection 34 without being caught.
The force in the detaching direction does not act on the male connector 5 and the male connector 5
Is prevented from half-fitting or disengagement. This is because the male connector 5 is separated from the connector frame 4, is integrated with the female connector 2, and is in line with the accessory (unit) 6 (FIG. 1). The above structure can be applied to parts other than the door inner panel and the door trim.

FIGS. 4 to 6 show a second embodiment of the connector connection structure according to the present invention. This structure is characterized in that the fitting state of the connector can be detected in addition to the structure substantially the same as the structure of the first embodiment. The same parts as those in the previous example are denoted by the same reference numerals, and detailed description is omitted.

FIG. 4 differs from the previous example only in the detection hole 47 provided in the upper wall 35 of the male connector 5 ', and does not have the lock projection 36 (FIG. 2). The detection hole 47 also serves as a lock hole. When the connector is fitted, the detection hole 47 is positioned just below the detection hole 45 ′ of the mating female connector housing 2. The detection hole 47 is formed in a rectangular shape in this example, and may penetrate the male connector housing 32 'vertically.

As shown in FIG. 5, a detection hole 45 'of the female connector 2 and a detection hole 47 of the male connector 5' are provided in the switch unit 15 '(auxiliary machine) assembled to the bulging portion 48 of the door trim 3.
Is provided. As in the previous example, the female connector 2 is provided integrally with the auxiliary machine 6 on the door inner panel 1 side, and the male connector 5 'is temporarily held on the connector frame 4 on the door trim 3 side. The engagement with the piece 29 (FIG. 4) is released and the connector 29 is released from the connector frame 4. The detection rod 49 of the switch unit 15 ′ is inserted into the detection hole 47 from the detection hole 45 ′ in this connector fully fitted state. Accordingly, the switch unit 15 'can be assembled to the bulging portion 48. Since the detection hole 47 is rectangular, the columnar detection rod 49 is smoothly inserted into the detection hole 47 without abutting.

If the connectors 2 and 5 'are half-fitted, the tip of the detection rod 49 enters the engagement hole 45 but abuts against the upper wall 35 of the male connector housing 32'. The switch unit 15 'does not enter the detection hole 47 and is not assembled.

When the detecting rod 49 penetrates into the detecting hole 45 'and the detecting hole 47, the male connector 5' is locked to the female connector 2 and the male connector 5 'is prevented from coming off. Even if the door trim 3 is pulled toward the passenger compartment, the detection rod 49 couples (locks) the female connector 2 and the male connector 5 ', so that the male connector 5' does not come off. Of course, the male connector 5 'is free from the connector frame 4. In addition, since the detection rod 49 connects the door inner panel 1 and the door trim 3 via the connectors 2 and 5 ', the bending of the door trim 3 is also prevented.

As shown in FIGS. 6 (a) and 6 (b), the detection rod 49 may be hung from the decorative panel 50 on the upper part of the switch unit 15 '. Alternatively, as shown in FIG.
5 'may be provided on the back cover 51. A female connector 52 is provided on the back cover 51, and the female connector 52 can be connected to the harness 11 'from the male connector 5'.

According to the second embodiment, the detection rod 49 confirms the complete fitting of the connectors 2 and 5 ', and at the same time, prevents the detachment of the connector 5'. Further, since the connector 5 'can be locked with the detection rod 49 by assembling the switch unit 15', there is no need to make a bolt hole in the door trim unlike a conventional screwed connector, and the appearance of the vehicle is improved.

FIGS. 7 to 11 show a third embodiment of the connector connection structure according to the present invention. This structure is shown in FIG.
As shown in FIG. 8, when the switch unit (accessory) 55 is assembled to the bulging portion 57 of the door trim (assembly) 56, the female connector 58 on the switch unit 55 side and the door trim 56
The male connector 59 on the wire harness side can be automatically connected. This structure is an application of Japanese Patent Application No. 7-304390 previously proposed by the present applicant.

The switch unit 55 is inserted into the bulging portion 57 from the opening 61 of the upper wall 60 of the bulging portion 57. The female connector 58 protrudes from the bottom wall 62 (FIG. 9) of the switch unit 55. An L-shaped bracket 63 is provided inside the door trim 56, an opening 65 for inserting a connector is provided on a bottom wall 64 of the bracket 63, and an elastic holding arm 6 for holding the connector obliquely downward from the opening edge.
6 and a spring piece 67 (FIG. 9) are provided. The male connector 59 is temporarily held in the opening 65 by an elastic holding arm 66 and a spring piece 67.

On the bottom wall 64 of the bracket 63, an L-shaped stop plate 68 for the male connector 59 is formed so as to hang down. The stop plate 68 is not essential. Bracket 63
Is formed of metal or synthetic resin, and the holding arm 66, the spring piece 67, and the stop plate 68 are formed integrally with the bracket 63. The male connector housing 69 is provided with a lock projection 70 (FIG. 7), and the female connector housing 71 is provided with an engagement hole 72 for the lock projection 70.

As shown in FIGS. 9 and 10, at the opening edge of the bracket 63, a pair of elastic holding arms 66, 66 are provided to face left and right, and a pair of spring pieces 67, 67 are provided to face front and rear. I have. Each holding arm 66 and spring piece 6
7 is curved inward. Further, a pair of the stop plates 68 are provided at left and right diagonal positions.

The holding arm 67 has a locking projection 7
Three. An engagement hole 75 for the locking projection 73 is formed in the lower half side wall 74 of the male connector housing 69. The male connector 59 is prevented from falling off by the locking projection 73. The spring piece 67 only contacts the side wall 76 of the male connector housing 69, and does not lock. The male connector 59 is supported by the spring piece 67 and the holding arm 66 so as to be movable back and forth and left and right within the opening 65, and play is corrected.
In addition, a centering action is performed on the female connector 58.

On the bottom wall 64 of the bracket 63, a slit hole 77 (FIG. 10) for harness insertion is cut out. A harness (a plurality of electric wires) 78 led out from the male connector 59 is inserted into the opening 65 from the slit hole 77,
Next, the male connector 59 is inserted into the opening 65 from above. In the male connector 59, the electric wire 78 is connected to a female terminal (not shown).
And the female terminal is connected to the male terminal 79 on the female connector 58 side. A tapered inclined guide surface 80 is formed inside the front end of the female connector housing 71 to facilitate picking up the male connector housing 69. Both side walls (housing walls) 82 of the male connector housing 69 act as unlocking walls for the holding arm 66.

FIGS. 11A to 11C show the operation of the connector connection structure (connector connection method). First,
As shown in FIG. 11A, the male connector 59 is temporarily held on the bracket 63 by the locking projection 73 of the holding arm 66. 68 is a stop plate. Next, when the switch unit 55 (FIG. 7) is assembled to the door trim 56, the female connector 58 is completely fitted to the male connector 59 as shown in FIG. The lock projection 70 is easily engaged with the engagement hole 72 by the inclined surface 70a. The front end of the female connector housing 71 is located immediately adjacent to the holding arm 66.

However, when the connectors 58 and 59 are completely fitted, the switch unit 55 has not been completely assembled yet, and can still stroke downward. The position and the like of the flange (decorative plate) 81 of the switch unit 55 are thus set. Therefore, in FIG. 11B, the female connector 58 moves further downward together with the male connector 59.

As a result, the holding arm 66 is pushed by the front end (unlocked portion) 82a of the female connector housing 71 and opens outward as shown in FIG.
5, the locking is released, the male connector 59 is released from the bracket 63, and both connectors 58, 59 move downward integrally. Next, the decorative plate 81 abuts on the upper wall 60 of the bulging portion 57 of the door trim 56 (FIG. 7), and, for example, a not-shown locking clip or the like engages with the hole of the upper wall 60, and the switch unit 55 It is fixed (assembly of the switch unit is completed). The lower end of the male connector 59 abuts against the stop plate 68, and the male connector 59 is doubly locked.

According to the present embodiment, after the connectors 58 and 59 are completely fitted, the switch unit 55 is further stroked to complete the assembly, so that the fitting of the connectors 58 and 59 due to insufficient pushing of the switch unit 55 is performed. No failure occurs, and the complete fitting of the connectors 58 and 59 is confirmed by the feeling of the operator, and half-fitting of the connector is reliably prevented.

[0039]

As described above, according to the first aspect of the present invention, when the connector is fitted, the engagement between the spring piece and the engagement portion is released, and the male connector is released from the connector frame. Even if a pulling force acts on the other assembly, no force in the detaching direction acts on the male connector, thereby preventing the connector from coming off (half-fitting). Claim 2
According to the described invention, the fitting of the two connectors is ensured by the male connector contacting the male connector stop. According to the third aspect of the present invention, when the connector is fitted, the locking portion (locking projection) is accommodated in the accommodation cutout and does not protrude outward. When the frame moves in the detaching direction, the spring piece does not get caught on the locking portion, so that smooth movement is possible, and
The effect increases. According to the fourth aspect of the present invention,
The female connector is smoothly guided into the connector frame along one inclined guide surface, and the male connector is smoothly inserted into the female connector along the other inclined guide surface. According to the fifth aspect of the present invention, the connector is locked simultaneously with the mating of the connector, and the male connector is completely independent of the connector frame, so that the effect of the first aspect is enhanced. According to the sixth aspect of the present invention, when the connector is half-fitted, the detection rod does not enter the detection hole of the male connector and the auxiliary equipment cannot be assembled, so that the fitting abnormality is reliably detected. Is done. Further, after the connectors are completely fitted, both connectors are locked by the detection rod, and half-fitting is prevented. According to the seventh aspect of the present invention, the locking of the holding arm is released after the two connectors are completely fitted, and the accessory moves integrally with the female connector in the attaching direction. Is completed,
The two connectors are securely fitted, and it is confirmed that the connectors are completely fitted by assembling the auxiliary equipment, thereby preventing half-fitting of the connectors. According to the eighth aspect of the present invention, since the male connector is movably supported by the holding arm and the spring piece in, for example, four directions, that is, front, rear, right and left, positioning of the connector is surely performed when the connector is fitted. According to the ninth aspect of the present invention, the female connector, that is, the connection structure can be made compact because the housing wall also serves as the locking release portion.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing the entirety of a first embodiment of a connector connection structure according to the present invention.

FIG. 2 is an exploded perspective view showing a main part of the same.

FIGS. 3A and 3B are cross-sectional views showing the operation.

FIG. 4 is an exploded perspective view showing a second embodiment of the connector connection structure.

FIG. 5 is a vertical sectional view showing the assembled state.

FIG. 6A is a perspective view showing a switch unit, and FIG. 6B is a perspective view showing an inverted state.

FIG. 7 is a longitudinal sectional view showing a third embodiment of the connector connection structure before assembly.

FIG. 8 is a vertical sectional view showing the assembled state.

FIG. 9 is an exploded perspective view showing a main part of the connector connection structure.

FIG. 10 is a perspective view showing a bracket.

11 (a) to 11 (c) are longitudinal sectional views showing the operation.

FIG. 12 is an exploded perspective view showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door inner panel (assembly) 2,58 Female connector 3,56 Door trim (assembly) 4 Connector frame 5,5 ', 59 Male connector 15', 55 Switch unit (Auxiliary equipment) 24 Stop wall (Male connector) Stop part) 29, 67 Spring piece 31, 43 Inclined guide surface 34 Locking projection (locking part) 36 Locking projection (locking means) 41, 82 Side wall (housing wall) 41a Lock release part 42 Housing notch part 45 Engagement Holes (locking means) 47, 45 'Detection hole 49 Detection rod 63 Bracket 66 Holding arm 73 Locking projection (locking portion) 75 Engagement hole (engaging portion) 82a Lock release portion

Claims (9)

[Claims] 1. A female connector is provided on one of the assembled bodies,
A connector frame is provided on the other assembly, a spring piece is provided on the connector frame, a locking portion for the spring piece is provided on the male connector, and the female connector presses against the spring piece to release the lock. A connector connection structure having a portion. 2. The connector connection structure according to claim 1, wherein a male connector stop is provided on the connector frame. 3. The connector connection structure according to claim 1, wherein the female connector has a cutout for accommodating the locking portion. 4. The connector connection structure according to claim 1, wherein an inclined guide surface is formed on each front opening side of the connector frame and the female connector. 5. The connector connection structure according to claim 1, wherein locking means is provided on the male connector and the female connector. 6. The male connector and the female connector are provided with detection holes located on the same axis in a completely fitted state of the male connector and the female connector, and the detection rod capable of entering each detection hole is provided on the other end. The connector connection structure according to any one of claims 1 to 4, wherein the connector connection structure is provided on an auxiliary machine on the side of the assembly. 7. A connector connection structure in which an accessory can be attached to an assembly, a male connector is provided on a bracket of the assembly, and a female connector of the accessory is connected to the male connector. A holding arm having a locking portion is provided on an opening edge of the bracket, an engaging portion for the locking portion is provided on the male connector, and the female connector has a locking releasing portion for pressing the holding arm. The connector connection structure, wherein when the female connector is completely fitted to the male connector, the accessory is incompletely assembled to the assembly and can be stroked in the connector fitting direction. 8. The connector connection structure according to claim 7, wherein a spring piece contacting the male connector at the opening edge is provided in a 90 ° direction of the holding arm. 9. The connector connection structure according to claim 1, wherein the unlocking portion is a housing wall of the female connector.