JP2016054052A - Mounting structure for cover - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting structure for a cover, by which the state can be maintained where the cover is surely fixed to a housing while suppressing deformation of the cover without enlarging the mounting structure.SOLUTION: A cover 23 includes an upper plate 23a covering an upper portion of a wiring part 21b of a housing 21 and a side plate 23b extending from the upper plate 23a along a side portion of the wiring part 21b. The wiring part 21b includes wire connection bus bars 41A and 41B including a pair of press-contact blades 46 which are conducted and connected with a core wire of a wire 13 by pressing and inserting the wire 13 therein. The wire 13 is pulled out after passing from a connection part with the press-contact blades 46 through a gap between the side portion of the wiring part 21b and the side plate 23b of the cover 23. In the housing 21, a plurality of engaging grooves 63 are formed in a mounting direction of the cover 23 to the housing 21. In the cover 23, a plurality of engaging projections 73 are formed in the mounting direction. The engaging grooves 63 and the engaging projections 73 are engaged with each other in the mounting direction.SELECTED DRAWING: Figure 3

Description

  The present invention relates to an attachment structure for a cover attached to a housing.

  An LED for illumination and a bus bar for wiring to which the LED is connected are housed in a housing, and the core wire of the electric wire and the bus bar are made conductive by pressing and inserting the electric wire into a pair of press contact blades provided on the bus bar, There is known an illumination unit in which an LED is turned on when power is supplied from the electric wire to the LED (for example, see Patent Document 1). The illumination unit includes a cover that covers the housing from above and covers a connection portion between the press contact blade and the electric wire.

JP 2007-149762 A

  The lighting unit has a structure in which the electric wire is bent downward and held by a cover placed on the housing. In such a cover mounting structure, when the electric wire is pulled, the pulling force acts on the side plate of the cover, the side plate may be deformed, and the cover may be detached from the housing. Therefore, a strong lock structure for fixing the cover to the housing has to be provided, and an increase in size cannot be avoided.

  The present invention has been made in view of the above-described circumstances, and an object of the present invention is to provide a cover that can be maintained in a state in which the cover is securely fixed to the housing by suppressing deformation of the cover without causing an increase in size. It is to provide a mounting structure.

In order to achieve the above-described object, the cover mounting structure according to the present invention is characterized by the following (1) to (4).
(1) A cover mounting structure that is mounted on a housing having a wiring portion to which an electric wire is connected and covers the wiring portion,
The cover includes an upper plate that covers an upper portion of the wiring portion of the housing, and a side plate that extends from the upper plate along a side portion of the wiring portion,
The wiring portion of the housing includes a bus bar having a pair of press contact blades that are conductively connected to the core wire of the electric wire when the electric wire is pressed and inserted,
The electric wire is drawn to the outside through the space between the side part of the wiring part and the side plate of the cover from the connection point with the press contact blade,
The housing is formed with a plurality of engaging grooves along the mounting direction of the cover with respect to the housing.
The cover is formed with a plurality of engaging ridges along the mounting direction,
The cover mounting structure, wherein the engagement groove and the engagement protrusion are engaged with each other in the mounting direction.
(2) The engagement groove is opened in a direction orthogonal to the wiring direction of the electric wire, and the engagement protrusion is protruded in a direction orthogonal to the wiring direction of the electric wire. The cover mounting structure according to (1).
(3) The housing has an illumination part provided with a light source, and the cover has a notch part in which the illumination part side of the housing is arranged,
A lens cover that covers the illumination unit is attached to the housing,
The cover mounting structure according to (1) or (2), wherein the lens cover is in contact with a side plate of the cover on the side of the notch.
(4) The upper plate of the cover is provided with a pressing protrusion for pressing the electric wire connected to the pressing blade toward the pressing insertion side to the pressing blade. (1) to (3 The cover mounting structure according to any one of the above.

In the cover mounting structure of (1) above, by connecting the cover to the wiring portion of the housing, it is possible to protect the connection portion of the electric wire in the press contact blade. When the cover is attached to the wiring portion of the housing, the plurality of engaging grooves of the housing and the plurality of engaging protrusions of the cover are engaged in the mounting direction along the mounting direction of the cover with respect to the housing. Therefore, in a state where the cover is mounted on the housing, even if the electric wire connected to the press contact blade of the wiring portion is pulled and the tensile force acts on the side plate of the cover, the deformation of the side plate is suppressed, and the cover is removed from the housing. Dropping is prevented. Thereby, compared with the structure which provides the strong lock mechanism which fixes a cover and a housing, it can maintain the state which fixed the cover to the housing, suppressing the deformation | transformation of a cover, without causing enlargement.
Moreover, the deformation | transformation of the side plate of a cover is suppressed, and the electric wire is maintained in the state hold | maintained with the wiring part and cover of the housing. Thereby, application of the load to the connection location of a press-contact blade and an electric wire is prevented, and a favorable connection state is maintained.
In the cover mounting structure of (2) above, the engaging groove opened in the direction orthogonal to the wiring direction of the electric wire and the engaging protrusion protruding in the direction orthogonal to the wiring direction of the electric wire are engaged. Therefore, even when the electric wire is pulled along the wiring direction, the engagement state between the engagement groove and the engagement protrusion can be more reliably maintained.
In the cover mounting structure of (3) above, the lens cover is in contact with the side plate having the notch portion of the cover. Thereby, the side plate whose strength has been reduced by having the notch is reinforced by the lens cover, and deformation when the electric wire is pulled is suppressed.
In the cover mounting structure of (4) above, by attaching the cover to the wiring portion of the housing, the electric wire is pressed to the pressing insertion side to the press contact blade by the pressing protrusion of the upper plate of the cover. Thereby, the connection state of the electric wire to the press contact blade can be more reliably maintained.

  According to the present invention, it is possible to provide a cover mounting structure capable of suppressing the deformation of the cover without causing an increase in size and maintaining the cover securely fixed to the housing.

  The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through a mode for carrying out the invention described below (hereinafter referred to as “embodiment”) with reference to the accompanying drawings. .

FIG. 1 is a view showing an illumination unit to which a cover is attached by the cover attachment structure according to the present embodiment, and FIGS. 1 (a) and 1 (b) are perspective views as seen from different directions. is there. 2A and 2B are diagrams showing an illumination unit to which a cover is attached by the cover attachment structure according to the present embodiment. FIG. 2A is a plan view, FIG. 2B is a side view, and FIG. ) Is a side view seen from the rear end side. FIG. 3 is an exploded perspective view of the lighting unit. FIG. 4 is a plan view of the housing. FIG. 5 is an exploded perspective view of the housing. FIG. 6 is a schematic circuit diagram of the lighting unit. FIG. 7 is a partial cross-sectional view along the longitudinal direction of the lighting unit. FIG. 8 is a cross-sectional view taken along line AA in FIG. FIG. 9 is a perspective view seen from the back side of the cover. FIG. 10 is a cross-sectional view taken along the line BB in FIG. FIG. 11 is a diagram showing the procedure for assembling the lighting unit, and FIGS. 11A and 11B are perspective views of the housing. FIG. 12 is a perspective view of the housing showing the procedure for assembling the lighting unit. FIG. 13 is a perspective view of the housing showing the procedure for assembling the lighting unit. FIGS. 14A and 14B are diagrams showing how to connect the electric wires to the lighting unit, in which FIG. 14A is a perspective view and FIG. 14B is a plan view. FIG. 15 is a perspective view of the illumination unit showing the procedure for assembling the illumination unit.

Hereinafter, an example of an embodiment according to the present invention will be described with reference to the drawings.
FIG. 1 is a view showing an illumination unit to which a cover is attached by the cover attachment structure according to the present embodiment, and FIGS. 1 (a) and 1 (b) are perspective views as seen from different directions. is there. 2A and 2B are diagrams showing an illumination unit to which a cover is attached by the cover attachment structure according to the present embodiment. FIG. 2A is a plan view, FIG. 2B is a side view, and FIG. ) Is a side view seen from the rear end side. FIG. 3 is an exploded perspective view of the lighting unit. FIG. 4 is a plan view of the housing. FIG. 5 is an exploded perspective view of the housing. FIG. 6 is a schematic circuit diagram of the lighting unit. FIG. 7 is a partial cross-sectional view along the longitudinal direction of the lighting unit. FIG. 8 is a cross-sectional view taken along line AA in FIG. FIG. 9 is a perspective view seen from the back side of the cover. FIG. 10 is a cross-sectional view taken along the line BB in FIG.

  As shown in FIGS. 1A and 1B and FIGS. 2A to 2C, the cover mounting structure according to the present embodiment is applied to the lighting unit 10. The illumination unit 10 is used as an interior lamp that illuminates the interior of a car, for example. The illumination unit 10 includes a light irradiation unit 11 and a wire lead-out unit 12. An electric wire 13 is drawn from the electric wire drawing portion 12, and light is emitted from the light irradiation portion 11 when power is supplied from the electric wire 13.

  As shown in FIG. 3, the lighting unit 10 includes a housing 21, a lens cover 22, and a cover 23. The lens cover 22 is assembled from the end opposite to the wire lead-out portion 12 with respect to the housing 21 to constitute the light irradiation portion 11. The cover 23 is assembled to the housing 21 from the upper side and covers the connection portion of the electric wire 13 in the housing 21.

  As shown in FIGS. 4 and 5, the housing 21 includes an illumination part 21 a and a wiring part 21 b. The housing 21 is formed from an insulating resin material. The housing 21 includes component connection bus bars 31A and 31B and electric wire connection bus bars (bus bars) 41A and 41B.

  In the housing 21, component connection bus bar housing grooves 32 </ b> A and 32 </ b> B are formed on the illumination portion 21 a side on the upper surface side. Component connection bus bars 31A and 31B are accommodated in the component connection bus bar accommodating grooves 32A and 32B, and the component connection bus bars 31A and 31B are arranged in parallel in the housing 21. The housing 21 is formed with wire connection bus bar accommodating grooves 42A and 42B on the wiring portion 21b side on the upper surface side. Wire connection bus bars 41A and 41B are housed in the wire connection bus bar housing grooves 42A and 42B, and the wire connection bus bars 41A and 41B are arranged in parallel in the housing 21.

  The component connection bus bars 31 </ b> A and 31 </ b> B are made of a conductive metal material, and have a component holding terminal portion 33 on one end side and a component connection portion 34 on the other end side. The component holding terminal portion 33 is formed with a component clamping groove 35 that opens to the end side. The component clamping groove 35 is formed between the fixed piece 35a and a spring piece 35b provided at a position opposite to the fixed piece 35a. In the component holding terminal portion 33, an LED 51 and a diode 52, which will be described later, inserted into the component clamping groove 35 are clamped between the fixed piece 35a and the spring piece 35b, and are electrically connected. The component connection portion 34 is formed with a component connection groove 36 that opens downward. The component connection groove 36 is formed between the fixed piece 36a and a spring piece 36b provided at a position opposite to the fixed piece 36a. In the component connecting portion 34, a resistor 53, which will be described later, inserted into the component connecting groove 36 is sandwiched between the fixed piece 36a and the spring piece 36b and is conductively connected.

  The electric wire connection bus bars 41A and 41B are made of a conductive metal material and have a bus bar body 40 formed in a flat plate shape having a rectangular shape in plan view. A component connecting portion 43 is provided on one end side of the bus bar main body 40, and an electric wire connecting portion 44 is provided on the other end side of the bus bar main body 40. The component connection portion 43 is provided with a component connection groove 45 that opens downward. The component connection groove 45 is formed between the fixed piece 45a and a spring piece 45b provided at a position opposite to the fixed piece 45a. In the component connecting portion 43, a resistor 53, which will be described later, inserted into the component connecting groove 45 is sandwiched between the fixed piece 45a and the spring piece 45b to conduct conduction.

  The electric wire connecting portion 44 is provided with two electric wire connecting grooves 47 that open upward. The wire connection groove 47 is formed from a pair of press contact blades 46 protruding upward, and the space between these press contact blades 46 is the wire connection groove 47. The bus bar main body 40 is formed with a press-fit piece 48 extending downward at the other end. The press-fitting piece 48 is formed with locking projections 48a projecting outward on both sides at the lower end thereof. The wire connection bus bars 41A and 41B have different lengths from the bus bar main body 40, whereby the wire connection grooves 47 of the wire connection bus bars 41A and 41B are long in the state of being accommodated in the wire connection bus bar accommodation grooves 42A and 42B. It is arranged at a position shifted in the direction. Further, the component connection grooves 45 of the wire connection bus bars 41A and 41B are arranged at positions where the positions in the longitudinal direction coincide with the component connection grooves 36 of the component connection bus bars 31A and 31B.

  The housing 21 includes an LED (light source) 51, a diode 52, and a resistor 53. The LED 51 and the diode 52 are fitted in the component holding grooves 35 formed in the component holding terminal portions 33 of the component connection bus bars 31A and 31B and are electrically connected to the component connection bus bars 31A and 31B. The resistor 53 is fitted in the component connection grooves 35 and 45 of the component connection bus bar 31A and the wire connection bus bar 41A, and is electrically connected to the component connection bus bar 31A and the wire connection bus bar 41A. Further, the resistor 53 is fitted in the component connection grooves 35 and 45 of the component connection bus bar 31B and the wire connection bus bar 41B, and is electrically connected to the component connection bus bar 31B and the wire connection bus bar 41B. Thereby, in the lighting unit 10, as shown in FIG. 6, the LED 51 and the diode 52 are connected in parallel to the component connection bus bars 31A and 31B, and between the component connection bus bar 31A and the wire connection bus bar 41A and between the component connection bus bar 31B and A resistor 53 is connected in series with the wire connection bus bar 41B.

  As shown in FIG. 3, a lens cover 22 is put on the illumination portion 21 a of the housing 21 from one end side. The lens cover 22 is formed from an insulating resin material. The lens cover 22 is formed in a box shape having an opening on the housing 21 side, and a lens portion 22a formed of a translucent resin or the like is provided on the upper surface side thereof. As shown in FIG. 7, the LED 51 of the housing 21 is disposed at a position facing the lens portion 22 a of the lens cover 22 attached to the housing 21. Thereby, the light emitted from the LED 51 is irradiated to the outside through the lens portion 22 a of the lens cover 22.

  As shown in FIG. 8, the electric wire 13 is connected to the wiring portion 21 b of the housing 21. The electric wire 13 is an insulated electric wire in which the outer periphery of the core wire made of a conductor is covered with a resin outer cover, and is pressed and inserted into the electric wire connecting groove 47 of the electric wire connecting portion 44 of each of the electric wire connecting bus bars 41A and 41B. Thereby, the outer sheath of the electric wire 13 is torn by the press contact blade 46 that forms the wire connection groove 47, and the inner core wire is electrically connected to the press contact blade 46.

  As shown in FIG. 3, a cover 23 is attached to the wiring portion 21 b of the housing 21 from the upper side. As shown in FIG. 4, in the housing 21 to which the cover 23 is attached, an electric wire escape recess 61 is formed on both sides of the wiring portion 21b. An engaging claw 62 is formed at the end of the housing 21 opposite to the illumination part 21a.

  Further, in the housing 21, four engagement grooves 63 are formed at the four corners of the wiring portion 21 b along the vertical direction that is the mounting direction of the cover 23 with respect to the housing 21 in the mounting direction. These engagement grooves 63 are opened in a direction orthogonal to the wiring direction of the electric wires 13 connected and wired to the electric wire connection portion 44.

  As shown in FIG. 9, the cover 23 is formed in a box shape with an opening on the housing 21 and is attached to the wiring portion 21 b of the housing 21. The cover 23 is formed from an insulating resin material. The cover 23 includes an upper plate 23a that covers an upper portion of the wiring portion 21b of the housing 21, and a side plate 23b that extends from the upper plate 23a along the side portion of the wiring portion 21b. The cover 23 is formed with a notch 71 in one of the side plates 23b so as not to interfere with the illumination part 21a side of the housing 21. Further, the cover 23 is formed with an engagement hole 72 that engages with the engagement claw 62 of the housing 21 on the side plate 23b on the side opposite to the formation side of the notch 71.

  The cover 23 is formed with four engaging ridges 73 along the mounting direction at the four corners along the vertical direction that is the mounting direction of the cover 23 with respect to the housing 21. These engaging protrusions 73 protrude in a direction orthogonal to the wiring direction of the electric wire 13 connected and wired to the electric wire connecting portion 44, and are engaging grooves formed in the wiring portion 21 b of the housing 21. 63 is engageable.

  Further, the upper plate 23 a of the cover 23 is provided with a pressing protrusion 74 along the wiring direction of the electric wire 13 on the surface on the mounting direction side. These pressing protrusions 74 press the electric wire 13 toward the pressing insertion side to the press contact blade 46 by attaching the cover 23 to the wiring portion 21 b of the housing 21.

  The cover 23 is placed on the wiring part 21b of the housing 21 with the notch 71 facing the illumination part 21a. Thereby, the wiring part 21b to which the electric wire 13 of the housing 21 is connected is covered with the cover 23. Further, when the cover 23 is put on the wiring portion 21 b of the housing 21, the engagement claw 62 of the housing 21 is engaged with the engagement hole 72 of the cover 23. As a result, the cover 23 is locked to the housing 21 and is prevented from falling off.

  Further, by attaching the cover 23 to the wiring portion 21 b of the housing 21, the electric wire 13 is pressed toward the pressing insertion side to the press contact blade 46. The electric wire 13 connected to the wiring part 21b is bent, guided downward along the side surface of the wiring part 21b, passed between the escape recess 61 of the wiring part 21b and the cover 23, and drawn to the outside.

  Further, as shown in FIG. 10, when the cover 23 is attached to the wiring portion 21 b of the housing 21, the engagement protrusion 73 of the cover 23 that protrudes in a direction orthogonal to the wiring direction of the electric wire 13 corresponds to the wiring direction of the electric wire 13. Engage with the engaging groove 63 of the housing 21 opening in the orthogonal direction over the mounting direction. Accordingly, even when the cover 23 is attached to the housing 21, even if the electric wire 13 is pulled and the pulling force acts on the side plate 23 b of the cover 23, the deformation of the side plate 23 b is suppressed, and the cover 23 is detached from the housing 21. Is prevented.

  Next, the case where the said lighting unit 10 is assembled and the electric wire 13 is connected is demonstrated.

  FIG. 11 is a diagram showing the procedure for assembling the lighting unit, and FIGS. 11A and 11B are perspective views of the housing. FIG. 12 is a perspective view of the housing showing the procedure for assembling the lighting unit. FIG. 13 is a perspective view of the housing showing the procedure for assembling the lighting unit. FIGS. 14A and 14B are diagrams showing how to connect the electric wires to the lighting unit, in which FIG. 14A is a perspective view and FIG. 14B is a plan view. FIG. 15 is a perspective view of the illumination unit showing the procedure for assembling the illumination unit.

  As shown in FIG. 11A, the component connection bus bars 31A and 31B are accommodated in the component connection bus bar accommodating grooves 32A and 32B of the housing 21, respectively. Further, as shown in FIG. 11 (b), the wire connection bus bars 41 </ b> A and 41 </ b> B are accommodated in the wire connection bus bar accommodation grooves 42 </ b> A and 42 </ b> B of the housing 21.

  As shown in FIG. 12, from the back side of the housing 21, a resistor 53 is fitted into the component connection grooves 35 and 45 of the component connection bus bar 31A and the wire connection bus bar 41A, and the component connection groove 35 of the component connection bus bar 31B and the wire connection bus bar 41B. , 45 are fitted with resistors 53. Further, the LED 51 and the diode 52 are fitted into the component holding grooves 35 formed in the component holding terminal portions 33 of the component connection bus bars 31A and 31B.

  As shown in FIG. 13, a lens cover 22 is attached to the illumination portion 21 a of the housing 21 from one end side of the housing 21. Thereby, the lens portion 22a of the lens cover 22 is disposed at a position facing the LED 51.

  As shown to Fig.14 (a), the electric wire 13 is arrange | positioned in the electric wire connection groove | channel 47 of each electric wire connection part 44 of 41 A of electric wire connection bus bars and 41B. In this state, as shown in FIG. 14 (b), the electric wire 13 is pressed and inserted into the electric wire connecting groove 47 of the electric wire connecting portion 44 with the plate-like press contact punch P. Then, the outer sheath of the electric wire 13 is torn by the press contact blade 46 that forms the wire connection groove 47, and the inner core wire is electrically connected to the press contact blade 46.

  As shown in FIG. 15, the cover 23 is placed on the wiring portion 21 b of the housing 21 with the notch 71 facing the illumination portion 21 a side with respect to the wiring portion 21 b of the housing 21, and the engagement hole 72 of the cover 23. The engaging claws 62 of the housing 21 are engaged with each other. As a result, the cover 23 is attached to the wiring portion 21 b of the housing 21. As described above, when the cover 23 is attached to the wiring portion 21 b of the housing 21, the lens cover 22 is brought into contact with the side plate 23 b in which the notch portion 71 of the cover 23 is formed.

  The lighting unit 10 assembled as described above and connected to the electric wire 13 is attached to the ceiling of the vehicle with the lens portion 22a side of the lens cover 22 facing downward, for example. The illumination unit 10 is supplied with power from the electric wire 13 so that the LED 51 is turned on, and the light emitted from the LED 51 is irradiated into the vehicle through the lens portion 22 a of the lens cover 22.

  As described above, according to the cover mounting structure according to the present embodiment, by attaching the cover 23 to the wiring part 21 b of the housing 21, the connection location of the electric wire 13 in the press contact blade 46 can be protected. When the cover 23 is attached to the wiring portion 21 b of the housing 21, the plurality of engagement grooves 63 of the housing 21 and the plurality of engagement protrusions 73 of the cover 23 are formed along the mounting direction of the cover 23 with respect to the housing 21. Engaged across the mounting direction. Accordingly, even when the cover 23 is mounted on the housing 21, even if the electric wire 13 connected to the press contact blade 46 of the wiring portion 21 b is pulled and the tensile force acts on the side plate 23 b of the cover 23, the side plate 23 b is deformed. The cover 23 is prevented from falling off from the housing 21. As a result, as compared with a structure in which a strong locking mechanism for fixing the cover 23 and the housing 21 is provided, the cover 23 is prevented from being deformed and the cover 23 is securely fixed to the housing 21 without causing an increase in size. be able to.

  Further, since the deformation of the side plate 23 b of the cover 23 is suppressed, the electric wire 13 is maintained in a state of being held by the wiring portion 21 b of the housing 21 and the cover 23. Thereby, application of the load to the connection location of the press-contact blade 46 and the electric wire 13 is prevented, and a favorable connection state is maintained.

  Moreover, since the engagement groove | channel 63 opened toward the direction orthogonal to the wiring direction of the electric wire 13 and the engagement protrusion 73 protruded toward the direction orthogonal to the wiring direction of the electric wire 13 are engaged. Even if the electric wire 13 is pulled along the wiring direction, the engagement state between the engagement groove 63 and the engagement protrusion 73 can be more reliably maintained.

  In addition, the lens cover 22 is in contact with the side plate 23 b having the notch 71 of the cover 23. Thereby, the side plate 23b whose strength has been reduced by having the notch portion 71 is reinforced by the lens cover 22, and deformation when the electric wire 13 is pulled is suppressed.

  The upper plate 23 a of the cover 23 is provided with a pressing protrusion 74 that presses the electric wire 13 connected to the pressing blade 46 toward the pressing insertion side to the pressing blade 46. Therefore, by attaching the cover 23 to the wiring part 21 b of the housing 21, the electric wire 13 is pressed by the pressing protrusion 74 toward the pressing insertion side to the press contact blade 46. Thereby, the connection state of the electric wire 13 to the press contact blade 46 can be maintained more reliably.

  In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved.

Here, the features of the above-described embodiment of the cover mounting structure according to the present invention will be summarized and listed in the following (1) to (4), respectively.
(1) An attachment structure of a cover (23) that is attached to a housing (21) having a wiring portion (21b) to which an electric wire (13) is connected and covers the wiring portion (21b),
The cover (23) includes an upper plate (23a) that covers an upper portion of the wiring portion (21b) of the housing (21), and extends from the upper plate (23a) along a side portion of the wiring portion (21b). An existing side plate (23b),
The wiring portion (21b) of the housing (21) includes a bus bar (wire connection) having a pair of press contact blades (46) that are electrically connected to the core wire of the wire (13) when the wire (13) is pressed and inserted. Bus bar 41A, 41B),
The electric wire (13) is drawn to the outside through a space between a side part of the wiring part (21b) and a side plate (23b) of the cover (23) from a connection point with the press contact blade (46),
The housing (21) is formed with a plurality of engaging grooves (63) along the mounting direction of the cover (23) with respect to the housing (21).
The cover (23) is formed with a plurality of engaging protrusions (73) along the mounting direction,
The cover mounting structure, wherein the engagement groove (63) and the engagement protrusion (73) are engaged with each other in the mounting direction.
(2) The engagement groove (63) is opened in a direction orthogonal to the wiring direction of the electric wire (13), and the engagement protrusion (73) is orthogonal to the wiring direction of the electric wire (13). The cover mounting structure according to (1), wherein the cover mounting structure is protruded toward the direction of the cover.
(3) The housing (21) has an illumination part (21a) provided with a light source (LED 51), and the cover (23) is arranged on the illumination part (21a) side of the housing (21). Having a notch 71,
The housing 21 is provided with a lens cover (22) that covers the illumination part (21a).
The cover according to (1) or (2), wherein the lens cover (22) is in contact with a side plate (23b) on the cutout portion (71) side of the cover (23). Mounting structure.
(4) On the upper plate (23a) of the cover (23), a pressing projection (for pressing the electric wire (13) connected to the press contact blade (46) toward the press insertion side to the press contact blade (46). 74) is provided. The cover mounting structure according to any one of (1) to (3).

13: Electric wire 21: Housing 21a: Illumination part 21b: Wiring part 22: Lens cover 23: Cover 23a: Upper plate 23b: Side plate 41A, 41B: Electric wire connection bus bar (bus bar)
46: Pressure contact blade 51: LED (light source)
63: engaging groove 71: notch 73: engaging protrusion 74: pressing protrusion

Claims (4)

A cover mounting structure that is mounted on a housing having a wiring portion to which an electric wire is connected and covers the wiring portion,
The cover includes an upper plate that covers an upper portion of the wiring portion of the housing, and a side plate that extends from the upper plate along a side portion of the wiring portion,
The wiring portion of the housing includes a bus bar having a pair of press contact blades that are conductively connected to the core wire of the electric wire when the electric wire is pressed and inserted,
The electric wire is drawn to the outside through the space between the side part of the wiring part and the side plate of the cover from the connection point with the press contact blade,
The housing is formed with a plurality of engaging grooves along the mounting direction of the cover with respect to the housing.
The cover is formed with a plurality of engaging ridges along the mounting direction,
The cover mounting structure, wherein the engagement groove and the engagement protrusion are engaged with each other in the mounting direction. The engagement groove is opened in a direction orthogonal to the wiring direction of the electric wire, and the engagement protrusion protrudes in a direction orthogonal to the wiring direction of the electric wire. The cover mounting structure according to Item 1. The housing has an illumination part provided with a light source, and the cover has a notch part in which the illumination part side of the housing is arranged,
A lens cover that covers the illumination unit is attached to the housing,
The cover mounting structure according to claim 1, wherein the lens cover is in contact with a side plate of the cover on the side of the notch. The pressing plate for pressing the electric wire connected to the press contact blade toward the press insertion side to the press contact blade is provided on the upper plate of the cover. The cover mounting structure according to claim 1.

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