LIGHT UNIT Detailed Description of the Invention Technical Field The present invention relates to a light unit for a vehicle such as a motorcycle. Related Technology With a vehicle such as a motorcycle, in order to improve the maintainability of a light unit it is sometimes manufactured within a unitary structure having a plurality of lights. For example, in the patent document 1, a rear light unit provided with a tail light and a plate light are fixed to the vehicle body using connecting elements such as screws. Patent Document 1 Japanese Patent No. 2980279 Problems to be Solved with the Invention However, with the above described unit of the prior technology, although the taillight can be detached when removing the connecting element, these screws, at the moment of detaching them, are necessary hold and support the outer surface of the end of the rear light unit. Particularly in the case of a structure where the light unit is pulled out from the body of the vehicle, it is necessary to apply force in the direction in which the light unit is pulled, but if the area where the light unit it is rounded, it is difficult to apply this force due to slippage and the removal of a light unit consumes man hours. This invention, therefore, provides a light unit that improves ease of maintenance by providing an indentation to hold a light cover. Elements for Solving Problems In order to achieve the objective described above, an invention related to Claim 1 is the light unit (e.g., the back light unit 30 in the embodiments described below), comprising a focus (for example, a rear light bulb 34, a rear intermittent bulb 35 or a pair plate light bulb 36 in the embodiments), being a light emitting body and a light cover (or the example of a light cover) 80, 90 in the embodiments) to cover the focus, where a gripping indentation (e.g., the gripping indentation in the embodiments) is provided in the light cover. With this type of structure, it is possible to hold the light unit using the grip indentation and apply force to the light unit. In the invention of Claim 2 is the invention of Claim 1 with the gripping indentation opening opening downwards and is provided at an end portion of the light cover (e.g., light cover 90) in the shapes of realization With this type of structure it is possible not to incapacitate the external appearance of the grip identification, and it is possible to facilitate the fastening of the light unit. The invention of Claim 3 is the invention of Claim 1 or Claim 2, wherein at least one surrounding part of the gripping indentation in the light cover has a deep color. With this type of structure, it is possible to prevent the surrounding part of the gripping indentation from appearing transparent. The invention of Claim 4 is the invention of any one of Claims 1 to 3, wherein a secure part (e.g., secure projection 56 of the embodiments), which allows attachment and removal of the base. through insertion and removal of a vehicle body (e.g., bracket 28 in the embodiments) provided in the base. With this type of structure, it is possible to push inward and pull out the light unit while holding the light unit using the holding indentation and to insert and remove the secure section of the base inside and from the body of the vehicle. EMBODIMENTS OF THE INVENTION The embodiments of the light unit of the present invention will now be described with reference from Figure 1 to Figure 11. Figure 1 is a side elevation of a motorcycle-type motorcycle provided with a power unit. back light as the light unit of this invention, and Figure 2 is a rear view of the same unit. In the description below, the directions front, rear, right, left, up and down are viewed from the point of view of a driver. A front wheel 2 of a motorcycle 1 is supported axially to a lower end and a front fork 3, and the front fork 3 is pivotably pivotably in a head tube 6 of a vehicle structure 5, through a rod. handle 4. A handle 7 is fixed to an upper end of the head tube 6, and the periphery of the handle 7 is covered by a handle cover 9, except for the handles 8, 9 at both ends. A headlight unit 10 integrated by a headlight and front right and front left turn signal intermittent (not shown) that are disposed in a front part of the handle cover 9. The structure of the vehicle 5 is composed of a down tube 11 which is extends downwardly from the head tube 6, a lower tube 14 forming a lower floor 13 together with a step floor 12 extending rearwardly from a lower end of the down tube 11 and a rear tube 15 which is formed by bending a section of the rear end of the lower tube 14 diagonally upwards. The head tube 6 and the down tube 11 are covered from the rear by a leg shield set from a front end of the step floor 12, and covered from the front by a front cover 17. A lower part of the front cover 17 extends outward in order to cover the front wheel 2, and a front bumper 18 is formed by a lower part of the front cover 17 and a lower part of the leg shield. The rear tube 15 is made of an inclined section 15a that extends di agonally upwards from the rear end of the lower tube 14 and a horizontal section 15b extending substantially horizontally back from the inclined section 15a, and is covered by a cover rear 21 connected to a rear end of the step floor 12. A seat 22 is disposed on an upper part of the rear cover 21. The seat 22 has a front end pivoted in a rear cover 21, and a top opening of a rear compartment 21. storage (not shown) disposed within the rear cover 21 that opens and closes. A front part of the power unit
24 is pivoted at a rear end of the lower tube 14, so that it has the ability to swing up and down. The power unit 24 is integrally formed with a motor and a power transmission, and a rear wheel 25 is connected to the propelling shaft at the rear of the power unit 24. "A rear cushion 26 is disposed between the power unit power 24 and the horizontal section 15b of the rear tube 15. A rear light unit 30 is disposed at a rear end of the rear cover 21. The rear light unit 20 can be fixed so that it can be removed to a bracket 28 extending diagonally fixed upward to a rear end of the horizontal section 15b of the rear tube 15. Here, the bracket 28 is part of the vehicle body of the motorcycle 1. A rear bumper 27 is provided on the lower rear side of the rear cover 21, below the rear light unit 30, and a circulation plate 29 is fixed to the rear bumper 27. Next, the rear light unit 30 will be described in greater detail. ura 3 is a front view of the rear light unit 20 seen from the rear of the motorcycle 1, and Figure 4 is a rear view of the rear light unit 20 seen from the front of the motorcycle 1. The unit rear light 20 is a unitary device manufactured by integrating the tail light 31, the right and left 32 flashers ,. 32 and a plate light 33, with a rear light 31 arranged in an upper center part, the rear turn signals arranged on the right side and the left side of the rear light 31, and the light of the plate 31 is disposed on one side lower of the taillight 31. The taillight 31 of this embodiment also acts as a brake light, and the two are discriminated by varying the brightness when turned on as a taillight and the brightness when turned on as a Brake light. As shown in Figure 3, the visual appearance of the front part of the rear light unit 30 is such that the part where the rear light 31 and the rear turn signals 32, 32 are arranged is wider in the vertical direction in a central part, with the vertical thickness narrower in the lateral direction to form almost a fan shape, while the part where the light of the plate 33 is disposed is disposed substantially rectangularly is longer in the lateral direction. The part where the light of the plate 33 is arranged is narrower in the lateral direction than the part where the rear light 31 and the rear flashers 32, 32 are arranged. Also, as shown in Figure 1 and Figure 2, the part where the taillight 31 and the rear turn signals 32, 32 are arranged curved toward the front of the vehicle while extending sideways from the front of the vehicle. center. As shown in Figure 4 and Figure 5, the rear light unit 30 is composed mainly of the rear light bulb 34, as a light emitting body, the rear flasher bulbs 35, 35 and a plate light bulb. 36, a base 40 to support these foci 34-36, and two light covers 80, 90 to cover these foci 36-36. The base 40 is integrally made of a molded part of resin, and is provided with a base upper 42 constituting the formed part of the front part, a lower base 43 constituting substantially a rectangular part of the front part and a connecting wall section 41 for connecting the upper base 42 and the lower base 43. The upper base 42 forms a base section for the taillight 31 and the rear turn signals 32, 32. As shown in Figure 5 and Figure 6, one side of the upper base 42 is inclined so that it rises while extending backwards, and a section The cover n 44 provided with a light cover fastening slot 44a having a substantially U-shaped cross-cut opening towards the rear is formed in an outer peripheral portion of the rear side of the upper base 42. As shown in FIG. Figure 4 and Figure 5, an opening of the cylindrical wall section 45 rearward is provided in the center of the upper base 42 and an upper part and a lower part on the opening side of the cylindrical wall section 45 are attached to an inner side of the cover section 45. A front wall 47 has an insertion hole 46 formed in the front end of the cylindrical wall section 45 and a focus socket 71 for holding the rear light bulb 45 is fitted within this insertion hole. 46. In addition, the rear light lens 72 for blocking the rear opening of the cylindrical wall section 45 is fixed in a secured manner in an indentation 49 provided on an interior surface of the rear opening of the cylindrical wall section 45. The rear light lens 72 is formed of a semitransparent resin which is red in color, for example, and the specified lens cut is carried on the interior surface of the light lens. Se 72. As shown in Figure 4 and Figure 6, in the right and left symmetrical positions of either side of the section of the cylindrical wall 45 in the upper base 42, the cylindrical wall sections 51, 51 are provided with openings towards the rear side and the upper section and the lower section of the opening side of each of the cylindrical wall sections 51 are connected to the inner side of the cover section 44. A front wall 53 has a hole of insert 52 formed at a leading end of each of the cylindrical wall sections 51, and a focus socket 73 for holding the rear intermittent focus 35 which is fitted within this insertion hole 52. Also, a flashing light lens rear dome-shaped part 74 covers the rear flasher bulbs 35 are fixed in a secured manner to an annular stepped section 54 provided in the front wall 53 of each of the sections d cylindrical wall 51. The rear flasher lens 74 is made of a semi-transparent resin, for example, orange and the interior surfaces are subject to specified lens cuts. Also, as shown in Figure 4 and Figure 6, an L-shaped bracket 55 projecting forward and then curling downward is provided in the front wall 53 of each of the cylindrical wall sections 51, and A mushroom-shaped safety projection 56 projects with a downwardly sloping shaft toward the front of the front surface of the bracket 55. This safety projection 56 can not be inserted and removed from the washer (not shown) attached to it. a bracket 28 constituting part of a vehicle body previously described and through inserting the safety projection 56 into the washer and securing it it is possible to fix the rear light unit 30 to the bracket 28, while it is similarly possible to remove the light unit rear 30 of the bracket when pulling the safety projection 56 out of the washer. A light cover 80 for the rear light 31 and the rear turn signals 32 are fixed to the upper base 42 to cover the entire rear side of the upper base 42. An outer part 81 of the light cover 80 is curved forward , and a claw section 82 projecting forward is provided in a specific region of the outer part 81. The light cover 80 has the outer part 81 disposed on the outer side of the inner wall of the cover section 44 in the upper base 42, and the light cover 80 is fixed to the upper base 42 through inserting the claw section 82 into the indented slot 44a of the cover section 44 and connects the claw section 82 to the section of cover 44 using hot melt 57. Also, as shown in Figure 5, a downwardly projecting safety shield 83 and an indentation 84 is provided in the claw section 82 inserted into a connecting section for the cover section 44 and the connecting wall section 41 of the upper base 42, and by inserting the safety projection 83 into a lock hole 58 provided in the cover section 44, and inserting an upper part of the connecting wall section 41 into the indentation 84, the safety projection 83 is ensures the upper part of the connecting wall section 1. The light cover 80 is formed of a transparent resin, for example with a circular pattern 85 formed concentric with a specific region centered on an extension of the shaft of the rear light bulb 34 and circular patterns 86 formed concentric with a specific centered region on an axis extension of each of the rear intermittent bulbs 35. As shown in Figure 7, a pair of right and left cylindrical sections 58, 58 projecting toward in front are provided in the connection wall section 41, and the penetrating holes 58a through which the screws (not shown) are fixed to fix the connection. rear light 30 towards the brackets described above 28, are formed in each of the cylindrical sections 58. The lower base 43 constitutes a base section for the light of the plate 33, as shown in Figure 5, the Figure 7 and Figure 8 is provided with an upper wall section 61 extending rearwardly from a lower side of the connecting wall section 41, a vertical wall section 62 extending downward from a rearward end of the wall. the upper wall section
61, and a side wall section 63 extending downwardly from the sills of the left and right end of the upper wall section 61 and connecting to the left and right end sections of the vertical wall section.
62. A cover section 64 provided with an indented slot 64a for attachment of the U-shaped light cover that opens toward the rear is formed in the front end sections of the upper wall section 61 and the side wall section 63, and in a section of the lower end of the section of the vertical wall 62. An insertion hole 65 formed in the middle part of the section of the vertical wall 62 and a focus socket 75 for holding the plate light bulb. 36 is fitted within this insertion hole 65. As shown in Figure 7 and Figure 8, in the vertical wall section 62 the screw holes 66, 66 are provided in the symmetrical right and left positions in any of the sides of the through hole 65. As shown in Figure 5, Figure 7 and Figure 8, a light cover 90 of the plate light 33 is fixed to the lower base 43, covering the entire rear side of the base bottom 43. A section The exterior wall 91 of the light cover 90 has a substantially arched shape that protrudes outwardly and backward in plan view, as shown in Figure 8 and a peak shape when viewed from the side. , as shown in Figure 5, and a rear end of the section of the outer wall 91 projecting more toward the rear than the rear end section of the light cover 80 for the tail light 31 and the flashing lights rear 32. A partition wall 92 is provided in an inner rear part of the light cover 90, and a gripping indentation 93 opens to a lower side that is formed between the section of the outer wall 91 and the partition wall. 92. The cylindrical pedestals 94, 94 project forward from a rear inner surface of the outer wall section 91 is provided more towards the left and right outer sides 92, with an inner section of the light cover 90. The pedestals 94, 94 are disposed in the corresponding positions for the screw holes 66, 66 of the lower base 43, and the tip end surfaces of the pedestals 94, 94 run within the vertical wall section 62 of the lower base 43. The holes of the fixing screws 94a of the light cover are provided on each of the pedestals 94 on the surface of the end of the tip thereof. In the light cover 90, one section further in, in the direction of the thickness, than the two pedestals 94, 94, further forward than the partition wall 92 open to a lower side (reference to Figure 5), and the sides more to the right and to the left than this opening 95 are blocked by a lower wall section
96 (regency to Figure 7). The claw sections
97 are provided at a front end of an outer wall section 91 and a front end of the lower wall section 96, and the lens securing slots 98 towards the openings 95 are provided at the lower end of the partition wall 92 and a section of the edge of the lower wall section 96. The light cover 90 is formed of a transparent resin deeply dyed in order to appear black, for example. This light cover 90 has the claw sections 97 fitted within an indented groove 64a of the cover section 64 of the lower base 43, and a light cover 90 is fixed to the lower base 43 when screwing tight screws 99, 99 into the screw insertion holes 66, 66 from the front of the lower base 43 into the screw holes 94a, 94a of the pedestals 94, 94. The opening 95 of the light cover 90 is blocked using the lens of plate light 76. The plate light lens 76 is fixed by inserting an edge into the indented groove 64a of the cover section 64 provided at the lower end of the vertical wall section 62 of the lower base 43, and within the lens securing groove 98 provided in the partition wall 92 and the lower wall section 96 of the light cover 90. The light lens of the plate 76 is formed of transparent black resin , and it is as shown in Figure 5, the light of the focus of the light of the plate 36 passes through the lens of the plate light 76 and illuminates the circulation plate 29. In the rear light unit 30 configured in this way, when it is necessary to remove the rear light unit 30 from the vehicle body, first fix the screws that fit in the penetration holes of the base 40 are removed, and a hand is inserted into the indentation of gripping 93 of the cover of the light 90 so as to hold the section of the outer wall 91 of the light cover 90 and then the securing projection 56 of the base40 can simply be removed from the washer of the side bracket 28 of the body of the vehicle pulling it towards behind. Therefore, it is possible to simply remove the rear light unit 30 from the vehicle body with one hand and it is possible to subsequently transport the rear light unit 30 removed in that manner without any other necessary action. Also, when the rear light unit 30 is attached to the vehicle body, it is possible to similarly grip the section of the outer wall 91, fix it and simply perform the fixing by pushing the safety projection 56 into the bracket washer 28, and after it is possible to reliably secure the rear light unit 30 to the vehicle by inserting the fixing screws into the through holes 58a and screwing them into the screw holes of the brackets 28. As a result, ease of maintenance of the rear light unit 30 is improved signi fi cantly. Also, with this embodiment, since the gripping indentation 93 opens towards the bottom, the gripping indentation 93 can not be seen from the outside, and also, since the light cover 90 is dyed black it is possible avoid the indentation of grip 93 pretending to be transparent. Therefore, it is possible to prevent the gripping indentation 93 from being conspicuous which improves the design. With this embodiment, the gripping indentation 93 is provided so that it opens towards the bottom, but it is also possible to provide a gripping indentation 93 in order to open towards the upper side of the outer wall section 91. of the light cover 90, as shown in Figure 11, for example. The position where the gripping indentation is provided can also be elsewhere on the lateral end of the light cover 90. With the embodiment described above, the securing element (safety protrusion 56) to allow fixation and the removal of the light unit to and from the body of the vehicle is constructed as a male element, but it is also possible that the safety element of the light unit is a female element, with a male element on the side of the body of the vehicle fitted within this female element. Also, the above embodiment has been described by way of example adopted in the backlight unit, but the present invention can also be adopted in a headlight unit. The present invention is also not limited to a motorcycle and can be adopted in a three or four wheel vehicle. Effects of the Invention As described above, according to the invention of Claim 1, since it is possible to apply force through gripping to a light unit using a gripping indentation, it is easy to operate the light unit and It is easy to fix or remove the light unit, which significantly improves the ease of maintenance. According to the invention of Claim 2, it is possible to prevent the indentation of grip from incapacitating the external appearance, and it is possible to easily grasp the light unit. According to the invention of Claim 3, since it is possible to prevent the indentation of grip that seems transparent, it is possible to prevent the external appearance from becoming incapacitated. According to the invention of Claim 4, the light unit is pushed or pulled out while the handle of the light unit using the gripping indentation and the base lock section is adjusted inwardly or Remove from the vehicle body, which means that it is easy to fix or remove the light unit to and from the vehicle body. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a side elevation of a motorcycle provided with a light unit of the present invention. Figure 2 is a rear view of the motorcycle. Figure 3 is a front view of the light unit. Figure 4 is a rear view of the light unit. Figure 5 is a cross section along the line A-A in Figure 3. Figure 6 is a cross section along the Line B-- B of Figure 3. Figure 7 is a cross section along Line C-c of Figure 3. Figure 8 is a cross section along Line D-D of Figure 3. Figure 9 is a side elevation only one base viewed from the Z direction in Figure 3. Figure 10 is a side elevation of only one light cover viewed from the Z direction in Figure 3. Figure 11 is a cross section of a light cover of another embodiment. [Description of Numbers] 28 corbels (vehicle body) 30 backlight unit (light unit) 34 backlight bulb (bulb) 35 rear indicator bulb (bulb) 36 plate light bulb (bulb) 40 base 56 Insurance projection (insurance section)
80.90 light cover 93 indentation grip