JP6904829B2 - Vehicle sun visor - Google Patents

Description

The present invention relates to an illuminated vehicle sun visor located near the upper end of the front window of the front seat of the vehicle.

As a sun visor for a vehicle of this type, for example, there is one disclosed in Patent Document 1. As shown in FIG. 11, the vehicle sun visor 1 has a non-conductive support shaft (arm) 2 that rotatably holds the sun visor main body (not shown) and an attachment that attaches the support shaft 2 to the ceiling of the passenger compartment (not shown). It includes a bracket 5 and a connector 7 that is detachably attached to the mounting bracket 5 and has a pair of terminals 8 and 8 for power supply.

A pair of conductors 3 and 3 extending in parallel are provided inside the support shaft 2, and a pair of conductors 3 and 3 are provided on the closed upper surface of the end portion 2a on the mounting bracket 5 side thereof. Each columnar conductor end portion 3a as a contact portion of 3 is provided so as to project outward. The pair of columnar conductor end portions 3a and 3a are separated from each other with a space portion via a non-conductive intervening portion 2b projecting from the center of the upper surface of the end portion 2a of the support shaft 2.

Further, the end portion 2a side of the support shaft 2 is rotatably supported by the tubular support protrusion 5a of the mounting bracket 5, and the housing 7a of the connector 7 is assembled to the assembly recess 5b of the mounting bracket 5. It has become.

Then, when the support shaft 2 is rotated to the first position, the pair of columnar conductor end portions 3a and 3a protruding outward from the end portion 2a form the pair of terminals 8 and 8 for power supply. When the plate-shaped spring portions 8a as the contact portions are brought into contact with each other to be energized (ON), the lighting ready state of the illumination lamp of the sun visor main body is formed.

Further, when the support shaft 2 is rotated to the second position, a pair of columnar conductor end portions 3a and 3a protruding outward from the end portion 2a form a pair of terminals 8 and 8 for power supply. It is separated from each spring portion 8a and is in a non-energized (OFF) state.

Japanese Unexamined Patent Publication No. 2011-23559

However, in the conventional vehicle sun visor 1, since the tip of the plate-shaped spring portion 8a of the terminal 8 in contact with the columnar conductor end portion 3a of the support shaft 2 is a free end, the support shaft 2 has a free end. Even if the columnar conductor end 3a and the spring portion 8a of the terminal 8 come into contact with each other, the required contact load cannot be obtained, and the columnar conductor end 3a of the support shaft 2 is caused by vibration during traveling of the vehicle or the like. The spring portion 8a of the terminal 8 may be temporarily separated from the spring portion 8a, and the lighting lamp at the time of lighting may flicker.

Therefore, the present invention has been made to solve the above-mentioned problems, and an object of the present invention is to provide a vehicle sun visor capable of surely preventing flickering of an illumination lamp at the time of lighting.

The present invention is a non-conductive sun visor for a vehicle, which rotatably holds a sun visor main body having an illumination lamp and the sun visor main body, and is provided with a pair of conductor contact portions at a cylindrical end portion. A pair for power supply in which an arm, a mounting bracket for attaching the arm to the vehicle, and a spring portion as a contact portion that is detachably attached to the mounting bracket and elastically deforms are brought into contact with the contact portions of the pair of conductors. The mounting bracket is provided with an arm support portion that rotatably supports the cylindrical end side of the arm, and the contact portions of the pair of conductors are formed in a columnar shape. Then, the pair of columnar contact portions are provided on the upper surface of the cylindrical end portion of the arm exposed to the outside of the arm support portion at predetermined intervals, and between the pair of columnar contact portions of the housing of the connector. the phases biasing member provided at a position opposite to, and summarized in that a spring biasing unit for temporarily energized at both ends of each spring portion of the pair of terminals of the biasing member is provided respectively.

The vehicle sun visor of the present invention, on one side of the one piece side and the other with a spring biased portion of one of the spring biased portion arranged on both ends of the biasing member, transverse the sun visor body to restrict the rotation range of the arm when tilted to the first contact portion and is characterized in that provided respectively, further, the other side of one of the spring biased portion arranged on both ends of the urging member and the other piece side of the other of the spring biasing section, characterized in that a second contact portion for regulating the rotation range of the arm when tilted before the sun visor body, respectively.

According to the present invention, by the spring biasing section for temporarily energizing the respective spring portions of the pair of terminals on both ends of the urging member provided on the connector housing respectively provided, the arms of the cylindrical The contact pressure of each spring portion of the pair of terminals with respect to the contact portion can be increased, and flickering of the illumination lamp during lighting can be reliably prevented.

(A) is a perspective view showing a vehicle sun visor according to an embodiment of the present invention, and (b) is an enlarged perspective view of a Y portion in the figure (a). Is a perspective view showing a state before assembling the connector to the mounting bracket on which the arm of the sun visor for the vehicle is mounted. It is a perspective view which shows the state before attaching a pair of terminals to the housing of the said connector. (A) is a front view of the connector, and (b) is a cross-sectional view taken along the line XX in the figure (a). It is a perspective view which shows the main part in the state which attached the connector to the mounting bracket in the cross section. (A) is a perspective view showing the state in which the vehicle sun visor is stored on the ceiling side of the passenger compartment, (b) is a perspective view showing the state in which the vehicle sun visor is tilted in front of the front window, and (c) is the same. It is a top view which shows the main part of the sun visor for a vehicle in a state in a cross section. It is an enlarged plan view which shows the main part of the conduction state of the said vehicle sun visor in the cross section. (A) is a perspective view of the vehicle sun visor tilted to the side of the side window, and (b) is a plan view showing a main part of the vehicle sun visor in the same state in cross section. It is an enlarged plan view which shows the main part of the sun visor for a vehicle in a non-conducting state in a cross section. FIG. 5 is an enlarged plan view showing a cross section of a main part of the vehicle sun visor when switching from a non-conducting state to a conductive state. It is a perspective view around the mounting bracket of the conventional vehicle sun visor.

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

1 (a) is a perspective view showing a vehicle sun visor according to an embodiment of the present invention, FIG. 1 (b) is an enlarged perspective view of a Y portion in FIG. 1 (a), and FIG. 2 is a vehicle sun visor arm mounted. A perspective view showing a state before assembling the connector to the mounting bracket, FIG. 3 is a perspective view showing a state before mounting the pair of terminals on the housing of the connector, and FIG. 4A is a front view of the connector, FIG. (B) is a cross-sectional view taken along line XX in FIG. 4 (a), FIG. 5 is a perspective view showing a cross section of a main part of a state in which a connector is attached to a mounting bracket, and FIG. 6 (a) is a vehicle sun visor. 6 (b) is a perspective view showing a state in which the vehicle sun visor is tilted in front of the front window, and FIG. 6 (c) is a perspective view showing a state in which the vehicle sun visor is tilted in front of the front window. FIG. 7 is a plan view showing the main part of the vehicle sun visor in a cross section, FIG. 7 is an enlarged plan view showing the main part of the conduction state of the vehicle sun visor in a cross section, and FIG. 8 (b) is a plan view showing a main part of a vehicle sun visor in the same state in a cross section, FIG. 9 is an enlarged plan view showing a main part of a vehicle sun visor in a non-conducting state in a cross section, and FIG. It is an enlarged plan view which shows the main part at the time of switching from a non-conducting state of a sun visor to a conducting state in a cross section.

As shown in FIGS. 1, 2, 6, and 8, the vehicle sun visor 10 rotates a sun visor main body 11 having a vanity mirror (cosmetic mirror) 12 and a lighting lamp (electrical component) 13 and the sun visor main body 11. A non-conductive arm 20 that is movably held and has a pair of conductors 24, 24 at each contact portion 25 on a cylindrical end portion 21, and a mounting bracket that attaches this arm 20 to a roof trim (vehicle) R. A pair of terminals 50 for power supply in which 30 and a spring portion (contact portion) 52 that is detachably attached to the mounting bracket 30 and elastically deforms are brought into contact with each of the contact portions 25 of the pair of conductors 24 and 24. A connector 40 having, 50, and 50 are provided.

As shown in FIGS. 1 and 2, the arm 20 is formed in a cylindrical shape by a synthetic resin, and the cylindrical end portion 21 side in which the upper surface 21a is closed is inclined by a predetermined angle with respect to the arm body 20A side. It is formed. Inside the arm 20, a pair of conductors 24, 24 extending in parallel are arranged. The contact portion 25 exposed to the cylindrical end portion 21 side of the arm 20 of the pair of conductors 24 and 24 and located on each end portion side is formed in a cylindrical shape (hereinafter, "a pair of cylindrical contact portions"). 25, 25 "). That is, the cylindrical end 21 of the arm 20 is exposed to the outside of the arm support 31 of the mounting bracket 30, which will be described later, and a pair of cylindrical contacts located on each end side of the pair of conductors 24, 24. The portions 25, 25 stand vertically at the center on the upper surface 21a of the cylindrical end portion 21 with a predetermined interval T.

As shown in FIGS. 1 and 2, the mounting bracket 30 is made of synthetic resin, and in the center thereof, a circular inner peripheral surface 31a that rotatably supports the cylindrical end 21 side of the arm 20 is provided. A square cylindrical arm support portion 31 held diagonally is integrally projected. The cylindrical end 21 of the arm 20 is press-fitted into the inner peripheral surface 31a of the arm support portion 31, and a locking projection (not shown) protruding from the inner peripheral surface 31a is formed on the cylindrical end 21 of the arm 20. By entering the annular concave engaging groove and engaging with the annular flange portion (both not shown) formed on the annular engagement groove, the upper side of the cylindrical end portion 21 of the rotating arm 20 is moved. It is designed to project (exposed) outward from the arm support portion 31. That is, when the cylindrical end portion 21 side of the arm 20 is press-fitted into the circular inner peripheral surface 31a formed obliquely on the arm support portion 31 of the mounting bracket 30, the arm 20 protrudes from the inner peripheral surface 31a of the arm support portion 31. The locking projection enters the annular concave engaging groove of the arm 20 and is engaged with the annular flange portion, so that the cylindrical end portion 21 of the arm 20 is rotatably supported by the arm supporting portion 31. It has become so.

Further, as shown in FIG. 2, a recess 32 for assembling the connector is formed around the arm support portion 31 on the upper surface 30a of the mounting bracket 30. At the center of one of the mounting holes 35 of the recess 32 for assembling the connector, a locking claw portion 33 to which the locking piece portion 42a of the housing body 42 of the connector 40, which will be described later, is locked is integrally projected. be. Further, on both sides of the recess 32 for assembling the connector on the other side of the mounting hole 36, engagement holes 34 into which the locking piece portions 44b of the side walls 44 and 44 of the connector 40, which will be described later, are inserted are formed. .. That is, as shown in FIGS. 2 and 3, the pair of engaging holes 34, 34 provided in the recess 32 for assembling the connector of the mounting bracket 30 is provided on both side walls 44, 44 of the housing 41 of the connector 40. The pair of locking pieces 44b and 44b are inserted, the connector 40 is rotated, and the locking piece 42a of the housing body 42 of the connector 40 is locked to the locking claw 33 of the recess 32 for assembling the connector. By doing so, the connector 40 can be assembled to the upper surface 30a of the mounting bracket 30. The mounting bracket 30 is screwed to the roof trim R via a pair of mounting holes 35 and 36 with screws (not shown).

As shown in FIGS. 1 to 5, the housing 41 of the connector 40 is formed of a synthetic resin, and the housing main body 42 having an opening 43 in which the arm support portion 31 is fitted is formed in the center, and the housing main body 42. It is provided with a pair of side walls 44, 44 having L-shaped terminal accommodating chambers 44a on both sides.

A rectangular plate-shaped ceiling wall portion 45 is integrally projected between the pair of side walls 44, 44 above the housing body 42. An urging member 46 having an S-shaped cross section extending to the pair of columnar contact portions 25, 25 is integrated at a position facing each other between the pair of columnar contact portions 25, 25 on the bottom surface of the ceiling wall portion 45. It has a protruding shape. At both ends of the pair of cylindrical contact portion biases contribute to insulation between 25 and 25 member 46 biases the free end 52b side of the spring portion 52 of the pair of terminals 50 and 50 to temporarily Spring urging portions 47 and 48 are provided, respectively. As shown in FIGS. 4 and 5 and 10, one one piece side of the spring biasing portion 47 of the pair of spring loaded portion 47, the sun visor body 11 transverse (side window S side) A first contact portion 47a that regulates the rotation range of the arm 20 when tilted is provided, and the sun visor main body 11 is placed sideways (side window S side) on one side of the other spring urging portion 48. A first contact portion 48a that regulates the rotation range of the arm 20 when tilted is provided. Further, the rotation range of the arm 20 when the sun visor main body 11 is tilted forward (front window F side) is restricted on the other side of the spring urging portion 47 of one of the pair of spring urging portions 47, 48. the second contact portion 47b with are provided which, on the other piece side of the other of the spring biasing section 48, restricting the rotation range of the arm 20 when defeating sun visor body 11 before (front window F side) A second contact portion 48b is provided.

Further, as shown in FIGS. 1 to 5, a pair of holding grooves 49, 49 in which the base portion 52a side of each spring portion 52 of the pair of terminals 50, 50 is inserted and held on both sides of the ceiling wall portion 45 of the housing 41. Is formed up to the housing body 42 side.

As shown in FIG. 3, the pair of terminals 50, 50 for power supply have a box-shaped mating end connecting portion 51a at the tip, and the L-shaped terminal accommodating chamber 44a and the housing on the side wall 44 of the housing 41. A spring portion 52 that is integrally connected to the contact piece portion 51 housed in a terminal accommodating chamber (not shown) of the main body 42 and is formed in a U-shape by the base portion 52a and the free end 52b. And have. The directions of the spring portions 52 are staggered (opposite directions). Further, each spring portion 52 is formed so as to be elastically deformable, and has a function as a contact portion. When the pair of terminals 50, 50 are assembled to the housing 41, the base 52a side of the spring portion 52 of each terminal 50 is held in the holding groove 49 of the housing 41, and the free end 52b side is the housing 41. By being displaced to the base 52a side in advance by the pair of spring urging portions 47, 48 of the urging member 46, the spring portion 52 is supported in a state where the reaction force is increased.

The connector 40 is fitted to a connector (all not shown) connected to a power supply connecting electric wire on the roof trim R side. At the time of this fitting, the mating connection portion 51a of each contact piece portion 51 of the pair of terminals 50 and 50 of the connector 40 and the pair of terminals (not shown) of the connector on the roof trim R side are electrically connected to form a connector. Power is supplied to the pair of terminals 50, 50 of 40.

According to the vehicle sun visor 10 of the above embodiment, as shown in FIG. 6A, when the sun visor main body 11 is stored on the roof trim R side, and as shown in FIG. 6B, the sun visor main body When the 11 is tilted in front of the front window F, the pair of columnar contact portions 25, 25 erected on the upper surface 21a of the cylindrical end portion 21 serves as the contact portions of the pair of terminals 50, 50 for power supply. By contacting (conducting) each spring portion 52 of the above and turning on (ON), that is, the inside connecting the pair of conductors 24, 24 arranged in the arm 20 and the illumination lamp 13 of the sun visor main body 11. When the circuit is energized, the lighting ready state of the lighting lamp 13 of the sun visor main body 11 is formed. Then, in the state shown in FIG. 6B, when the slide cover (slide member) 14 having a switch mechanism (not shown) covering the vanity mirror 12 of the sun visor main body 11 is slid open, the switch mechanism is turned on. Then the lighting lamp 13 lights up.

At this time, as shown in FIGS. 6 (c) and 7, each spring as an elastically deformable contact portion of the pair of terminals 50, 50 that have been displaced in advance when assembled to the housing 41 of the connector 40. Since the free end 52b side of the portion 52 comes into contact with the pair of columnar contact portions 25, 25 of the cylindrical end portion 21 of the arm 20 and is further displaced, each of the pair of terminals 50, 50 is in the energized state. The contact pressure between the spring portion 52 and the pair of columnar contact portions 25, 25 is increased to stabilize the contact state, and the pair of columnar contact portions 25 of the cylindrical end portion 21 of the arm 20 is also affected by vibration during traveling of the vehicle. , 25 and the spring portions 52 of the pair of terminals 50, 50 of the connector 40 are not temporarily separated from each other, and flickering of the illumination lamp 13 at the time of lighting can be prevented.

Further, as shown in FIG. 8A, when the arm 20 is rotated from the arm support portion 31 of the mounting bracket 30 as a starting point and the sun visor main body 11 is tilted to the side of the side window S, the cylindrical end portion 21 The pair of columnar contact portions 25, 25 erected on the upper surface 21a of the above surface are separated from the spring portions 52 of the pair of terminals 50, 50 for power supply and become non-conducting, so that the internal circuit of the illumination lamp 13 is not connected. It is energized (OFF). At this time, as shown in FIG. 9, one of the pair of columnar contact portions 25, 25 (cylindrical contact portion 25 located on the lower side in the drawing of FIG. 9) urges the housing 41. Since it hits the first contact portions 47a and 48a of the spring urging portions 47 and 48 of the member 46, the rotation range of the arm 20 is restricted.

Then, from the state where the sun visor main body 11 shown in FIG. 8A is tilted to the side of the side window S, the arm 20 is rotated from the arm support portion 31 of the mounting bracket 30 to rotate the sun visor main body 11 of the front window F. When trying to tilt forward, as shown in FIG. 10, one of the pair of columnar contact portions 25, 25 (cylindrical contact portion 25 located on the lower side in the drawing of FIG. 10) is shown in FIG. Since it moves like the alternate long and short dash line and hits the second contact portions 47b and 48b of the spring urging portions 47 and 48 of the urging member 46 of the housing 41, the rotation range of the arm 20 is restricted.

As shown in FIGS. 7, 9, and 10, the arm 20 is rotated from the arm support portion 31 of the mounting bracket 30 as a starting point, and the pair of cylindrical contact portions 25, 25 of the cylindrical end portion 21 of the arm 20 is formed. By contacting or separating the spring portions 52 of the pair of terminals 50 and 50 of the connector 40 from each other, it is possible to easily and surely switch between the conductive state and the non-conducting state.

Further, due to the rotation of the arm 20, the free end 52b side of each spring portion 52 of the pair of terminals 50, 50 that has been displaced in advance comes into contact with the pair of columnar contact portions 25, 25 of the arm 20 and is further displaced. Since the spring reaction force of each of the spring portions 52 of the pair of terminals 50 and 50 is high, the contact load is large, and the pair of columnar contact portions 25 and 25 of the arm 20 and the connector 40 are affected by vibration during traveling of the vehicle. The spring portions 52 of the pair of terminals 50 and 50 are not temporarily separated from each other, and flickering of the illumination lamp 13 at the time of lighting can be easily and surely prevented.

According to the above embodiment, the sun visor main body is provided with an illumination lamp as an electrical component, but the sun visor main body may be provided with a small and thin liquid crystal monitor or the like as an electrical component.

Further, according to the above embodiment, since the sun visor main body is provided on the right side of the roof trim, the urging member for regulating the rotation range of the arm is formed in an S-shaped cross section, but the sun visor main body is provided on the left side of the roof trim. In this case, the urging member that regulates the rotation range of the arm may be formed in an inverted S-shaped cross section.

10 Sun visor for vehicles 11 Sun visor body 13 Lighting lamp (electrical components)
20 Arm 21 Cylindrical end 21a Top surface 24, 24 Pair of conductors 25, 25 Pair of columnar contacts 30 Mounting bracket 31 Arm support 40 Connector 41 Housing 46 Bias member 47 One spring urging part 47a, 48a 1st contact part 47b, 48b 2nd contact part 48 Other spring urging part 50, 50 Pair of terminals for power supply 52 Spring part (contact part)
R roof trim (vehicle)
T Predetermined interval

Claims (3)

The sun visor body with the lighting lamp and
A non-conductive arm that rotatably holds the sun visor body and is provided with a pair of conductor contact portions at the cylindrical ends.
A mounting bracket that attaches the arm to the vehicle,
A connector that is detachably assembled to the mounting bracket and has a pair of terminals for power supply in which a spring portion as a contact portion that elastically deforms is brought into contact with the contact portion of the pair of conductors is provided.
The mounting bracket is provided with an arm support portion that rotatably supports the cylindrical end side of the arm.
The contact portions of the pair of conductors are formed in a cylindrical shape, and the pair of columnar contact portions are provided on the upper surface of a cylindrical end portion of the arm exposed to the outside of the arm support portion at predetermined intervals. ,
An urging member is provided at positions facing each other between the pair of columnar contact portions of the housing of the connector.
Vehicle sun visor, characterized in that provided the pair of spring-biased portion to temporarily energizing the respective spring portions of the terminals respectively to both ends of the biasing member. The vehicle sun visor according to claim 1.
On one side of the one piece side and the other spring bias portion of one of the spring biased portion arranged on both ends of the biasing member, the rotation range of the arm when defeating the sun visor body in the transverse A sun visor for a vehicle, characterized in that each has a first contact portion that regulates the temperature. The vehicle sun visor according to claim 1.
On the other piece side of the other side and the other spring bias portion of one of the spring biased portion arranged on both ends of the biasing member, the rotation range of the arm when tilted before the sun visor body A sun visor for vehicles, characterized in that each has a second contact portion that regulates the temperature.

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