CN101839454B - Bulb installation structure - Google Patents
Bulb installation structure Download PDFInfo
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- CN101839454B CN101839454B CN2010101365298A CN201010136529A CN101839454B CN 101839454 B CN101839454 B CN 101839454B CN 2010101365298 A CN2010101365298 A CN 2010101365298A CN 201010136529 A CN201010136529 A CN 201010136529A CN 101839454 B CN101839454 B CN 101839454B
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- axis direction
- elastomeric element
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Abstract
The present invention provides a bulb installation structure, wherein the bulb is installed to a preset position relatively to a reflector through a simple structure with high precision. The bulb installation structure (100) is provided with a lamp stand fixture part (8) for holding an inserted discharging bulb (10). The lamp stand fixture part (8) comprises the following components: a wire spring (42) which is provided at an inlet of a bulb insertion hole (6b) of the reflector (6), a supporting part (44) which supports an end (42a) of the wire spring (42), and a clamping part (46) which can clamp an end (42b) of the wire spring (42) openly. The lamp stand fixture part (8) determines the position relationship among the wire spring (42), the supporting part (44) and the clamping part (46) through a following mode: at a state that the end (42b) of the wire spring (42) is clamped by the clamping part (46), the wire spring (42) pushes the side part of the discharging bulb (10) in a crossing direction that is crossed with the optical axis direction, and simultaneously the flange part (30) of the discharging bulb (10) is pushed in the optical axis direction, thus fixing the discharging bulb (10) in the crossing direction and the optical axis direction.
Description
Technical field
The present invention relates to the bulb installation structure of the lamps apparatus for vehicle that automobile etc. uses.
Background technology
Usually in lamps apparatus for vehicle such as head lamp and fog lamp, remain on the assigned position in the tubular patchhole that the reflector bottom forms to bulb.The patchhole inlet that the maintenance of this bulb is utilized in reflector is integral with reflector or carries out with the bulb retainer of split setting.
Existing bulb retainer is as being used for possessing wired spring to inserting mouthful bulb that inserts to the fixing bulb fixator of reflector.For example know to possess to the technology that the line spring adopts as the bulb fixator: the rotary shaft that extends to the direction vertical in the lower end of inserting mouthful with optical axis direction with have from the line spring (with reference to patent documentation 1) of rotary shaft to two arms of the direction extension vertical with the rotating shaft direction of principal axis.This prior art makes the rotary shaft of line spring be inserted in the bulb back side of inserting mouth to being pressed into around the direction rotation of axle and arm, thus, fixes bulb to bulb to reflector to optical axis direction the place ahead application of force.
Patent documentation 1: the spy opens flat 9-270201 communique
But in lamps apparatus for vehicle in order to give full play to the performance of bulb; In other words in order to give full play to the luminous intensity distribution performance of light fixture; Then hope not only the fixing relative reflector of bulb in the position of optical axis direction, and on the direction vertical, also to be fixed on assigned position to the relative reflector of bulb with optical axis direction.
To this; In the prior art; Since utilize the line spring the back side of bulb to optical axis direction the place ahead application of force, so can make the positioning accuracy of optical axis direction high, but see that from the viewpoint that improves the lamp distribution performance more just there is the leeway of improvement the location of then vertical with optical axis direction direction.As the method that positions bulb to the direction vertical with optical axis direction, considering has such method: through inserting wedge members with the gap of bulb to patchhole bulb to the side of inserting mouthful push next on the direction vertical with optical axis direction fixing bulb.But at this moment as the bulb fixator and owing to being other wedge members, so the problem that has increase part number and structure to complicate with the line spring.
Summary of the invention
The present invention is that the inventor develops based on this understanding, and its purpose is to provide a kind of technology, just is installed to assigned position to the relative reflector of bulb accurately with easy structure.
In order to solve above-mentioned problem; The bulb installation structure of the present invention's one form is installed to assigned position to the relative reflector of bulb; This reflector is formed with the patchhole of the tubular that inserts bulb in the bottom; Wherein, Possesses the bulb maintaining part that keeps the bulb that inserts; This bulb maintaining part comprises: be arranged on the roughly wire of patchhole inlet elastomeric element, support the distolateral support of this elastomeric element one, can open the fastener that ends another distolateral card of this elastomeric element, the bulb maintaining part determines the position relation of elastomeric element, support and fastener as follows: under another distolateral state that is ended by the fastener card of this elastomeric element, elastomeric element from the sidepiece of the outstanding bulb of patchhole to crisscross the pushing of intersecting with optical axis direction; Push the flange part of bulb to optical axis direction simultaneously, fix the crisscross and optical axis direction of bulb thus.
According to this form, can just be installed to assigned position to the relative reflector of bulb accurately with easy structure.
In above-mentioned form, elastomeric element also can be that fulcrum has tension force ground and reels to bulb sidepiece and flange part another is distolaterally ended by the fastener card with the support.So then can just be installed to assigned position to the relative reflector of bulb accurately with easy operation.
In above-mentioned form, the scope that elastomeric element and bulb sidepiece join also can be below the half cycle of bulb sidepiece.Thus, can improve the crisscross positioning accuracy of discharge bulb.
In above-mentioned form, at least one of support and fastener also relatively the bearing surface of the flange part of bulb and elastomeric element stagger in optical axis direction the place ahead.Thus, can improve the positioning accuracy of the optical axis direction of discharge bulb.
In above-mentioned form, elastomeric element also can be provided with the conductive part with the starter cover conducting of discharge bulb.Thus, owing to just make one-piece type discharge bulb of starter and the conducting of starter cover with easy structure, so can deal with noise via the starter cover.
According to the present invention, can just be installed to assigned position to the relative reflector of bulb accurately with easy structure.
Description of drawings
Fig. 1 is the summary vertical sectional view that possesses the lamps apparatus for vehicle of embodiment 1 bulb installation structure;
Fig. 2 is the exploded perspective view of seeing from the left back top of embodiment 1 bulb installation structure;
Fig. 3 is the summary back view of bulb installation structure;
Fig. 4 (A) is the summary back view of bulb installation structure, and Fig. 4 (B) is the approximate three-dimensional map of seeing from the left back top of bulb installation structure;
Fig. 5 (A) is the summary left side view of bulb installation structure, and Fig. 5 (B) is the local summary right side view of bulb installation structure;
Fig. 6 (A) is the summary back view of embodiment 2 bulb installation structures, and Fig. 6 (B) is the approximate three-dimensional map of seeing from the left back top of bulb installation structure;
Fig. 7 (A) is the approximate three-dimensional map of seeing from the left back top of embodiment 3 bulb installation structures, and Fig. 7 (B) is the summary left side view of bulb installation structure;
Fig. 8 (A) is the approximate three-dimensional map of seeing from the right back below of variation bulb installation structure, and Fig. 8 (B) is the summary right side view of bulb installation structure.
Symbol description
X optical axis 6 reflector 6b bulb insertion holes 8 lamp socket jig portions
8a bulb insertion hole 10 discharge bulb 10a bulb body 10b base portion
30 flange parts, 36 large-diameter portions, 42 line spring 42a, 42b end
42c bend 42c1 optical axis direction force section 42c2 rake 44 supports
44a bolster 44a1 shaft head 44b pressing plate 46 fasteners
50a covers 100 bulb installation structures
The specific embodiment
Below, Yi Bian with reference to accompanying drawing suitable embodiments of the invention are described on one side.Same or equal structural detail, parts and the processing that each accompanying drawing is represented then paid prosign and suitably omitted the explanation of repetition.Embodiment does not limit invention but illustration, and all characteristics that embodiment recorded and narrated and combination thereof might not be the restrictions to the essence of invention.
(embodiment 1)
Fig. 1 is the summary vertical sectional view that possesses the lamps apparatus for vehicle of embodiment 1 bulb installation structure.Following the direction of illumination of light fixture (left side of Fig. 1) as light fixture the place ahead, explain its opposition side (right side of Fig. 1) as the light fixture rear.Be called the right side light fixture right side, be called the light fixture left side to the left side towards light fixture the place ahead.Fig. 1 representes to see from the light fixture left side section of the lamps apparatus for vehicle 1 that the vertical plane of involved lamp optical axis X dissects.
As shown in Figure 1, lamps apparatus for vehicle 1 possesses the lamp main body 2 of opening forwards, and diffuser 4 is installed on this lamp main body 2, covers and form lamp house 3 to its front opening part.Lamp main body 2 tilts to be provided with versatilely reflector 6 relatively in lamp house 3.Be exactly that reflector 6 utilizes by the adjustment screw rod 2a of lamp main body 2 free rotary ground supportings, axle 2b, make leveling driver 2c that a 2b moves forward and backward and not shown rotating fulcrum portion and supported by lamp main body 2 specifically.When the optical axis X to light fixture initially adjusts, utilize the rotation of adjustment screw rod 2a, the optical axis X that causes in the inclination of proofreading and correct by vehicle utilize the driving of leveling driver 2c when tilting and make reflector 6 relatively lamp main body 2 suitably inclinations move.
In lamp socket jig portion 8, be formed with the bulb insertion hole 8a as the tubular at center with optical axis X, discharge bulb 10 passes bulb insertion hole 8a and bulb insertion hole 6b and can load and unload ground reflector 6 installations relatively from the light fixture rear.Discharge bulb 10 utilizes lamp socket jig portion 8 and is maintained at the assigned position in the bulb insertion hole 6b of reflector 6.It is to make the optical axis of discharge bulb 10 consistent with optical axis X that this assigned position is set to, and makes the focal position consistent location of the illuminating part and the reflector 6 of discharge bulb 10.
The central authorities and be to be formed with peristome 16 at the rear portion of lamp main body 2 with bulb insertion hole 6b, position that 8a is corresponding, make discharge bulb 10 to the loading and unloading of reflector 6 with after the power supply lamp socket stated can be to the loading and unloading of discharge bulb 10 via peristome 16 enforcements.Peristome 16 is by 18 shutoff of the cover that can load and unload.
Be provided with lamp circuit unit 20 in the bottom of lamp house 3, the lamp circuit of lamp circuit unit 20 is connected by electric wire 24 with power supply lamp socket 22 to discharge bulb 10 supply capabilities.Power supply lamp socket 22 can be installed in the base portion 10b of discharge bulb 10 with loading and unloading, can be from lamp circuit unit 20 to discharge bulb 10 supply capabilities through the base portion 10b of lamp socket 22 to discharge bulb 10 that supply power is installed.
Specify the bulb installation structure of embodiment 1 below.Fig. 2 is the exploded perspective view of seeing from the left back top of embodiment 1 bulb installation structure.Fig. 3 is the summary back view of bulb installation structure.Fig. 4 (A) is the summary back view of bulb installation structure, and Fig. 4 (B) is the approximate three-dimensional map of seeing from the left back top of bulb installation structure.Fig. 5 (A) is the summary left side view of bulb installation structure, and Fig. 5 (B) is the local summary right side view of bulb installation structure.Fig. 2 is the figure of line spring 42 when being in open state, and Fig. 3 is the figure of line spring 42 when being in card and ending state.Line spring 42 when middle of Fig. 4 (A) and Fig. 4 (B) are in open state is represented with black thick dashed line.And in Fig. 4 (A), omitted the diagram of pressing plate 44b in order to describe.
The structure of discharge bulb 10 at first is described.As shown in Figure 2, discharge bulb 10 includes the base portion 10b of bulb body 10a and supporting bulb body 10a.Be formed with flange part 30 at base portion 10b.Be formed with in the upper end of flange part 30 and be used for carrying out the notch part 32 of discharge bulb 10 location around optical axis X, and a little more rely on the notch part 34 that the right side is formed with discharge bulb specification identification usefulness in upper end than flange part 30.Be formed with under the state that is inserted into discharge bulb 10 bulb insertion hole 6b, 8a from the outstanding large-diameter portion 36 of bulb insertion hole 8a at base portion 10b.Large-diameter portion 36 have be used for being electrically connected with power supply lamp socket 22 and from the lamp circuit unit 20 electric power supplied with to the lamp holder 38 of bulb body 10a transmission.
The structure of lamp socket jig portion 8 then is described.As shown in Figures 2 and 3, lamp socket jig portion 8 is set at the bulb insertion hole 6b inlet of reflector 6, includes: body 40, line spring 42 (elastomeric element), support 44, fastener 46 and spring press section 48.Lamp socket jig portion 8 concerns with the position of following structures shape line spring 42, support 44 and fastener 46: the end of online spring 42 is by under the fastener 46 cards state only; Line spring 42 from the sidepiece of the outstanding discharge bulb 10 of bulb insertion hole 8a to crisscross the pushing of intersecting with optical axis direction; Push the flange part of discharge bulb 10 30 to optical axis direction simultaneously, fix the crisscross and optical axis direction of discharge bulb 10 thus.Below be elaborated.
The bulb mount pad 40a of lamp socket jig portion 8 comprises: circumferentia 40b, positioning convex portion 40c, location perisporium 40d, alignment pin 40e and identification pin 40f.Be inserted into discharge bulb 10 under the state of bulb insertion hole 8a, the light fixture front side tabular surface of circumferentia 40b and flange part 30 is relative.Positioning convex portion 40c is with the optical axis X triangle protuberance that to be the center form at circumferentia 40b by equal angles (120 °) at interval, through carrying out the location of the optical axis direction of discharge bulb 10 with flange part 30 butts of discharge bulb 10.Present embodiment is provided with three positioning convex portion 40c.The shape of positioning convex portion 40c, be provided with that number, configuration are then not special to be limited.
The bend 42c generally inner peripheral surface along bulb insertion hole 8a top is crooked.Shown in Fig. 2, Fig. 4 (A), Fig. 4 (B), when being configured to online spring 42 and being in open state, the curvature of large-diameter portion 36 sides of the ratio of curvature discharge bulb 10 that bend 42c is inboard is little.And shown in Fig. 3, Fig. 5 (A), Fig. 5 (B), bend 42c comprises: and two optical axis direction force section 42c1 of the light fixture rear side tabular surface butt of flange part 30 and the rake 42c2 that between two optical axis direction force section 42c1, tilts to prolong to the light fixture rear side from the light fixture rear side tabular surface of flange part 30.
Fastener 46 possesses base portion 46a and card claw stop 46b.Base portion 46a is at the lower end side of body 40 and the plate-shaped member that is installed in its side and extends to the left and right directions of light fixture.There is the outstanding card claw stop 46b that is provided with above the opposition side end of area side in base portion 46a body 40 in the end of left and right directions.Outstanding and front end has roughly circular-arc medial surface to the extension of light fixture the place ahead to card claw stop 46b from the last face up of base portion 46a.Come restraining line spring 42 to change through being in the medial surface butt of end 42b and card claw stop 46b that card ends the line spring 42 of state to open state.Therefore, see that line spring 42 is ended by fastener 46 cards in the lower left of body 40 from the light fixture rear.
When making end 42b from fastener 46 disengagements, line spring 42 utilizes the elastic force of self, is that fulcrum makes end 42b rotate to the direction of leaving from fastener 46 with support 44, and becomes open state.Under open state, the optical axis direction force section 42c1 of line spring 42 leaves to the light fixture rear from the light fixture rear side tabular surface of flange part 30, and rake 42c2 leaves from the side of large-diameter portion 36.Be fulcrum when rotating in order to become open state with support 44 when being in line spring 42 that card ends state, at assigned position, the bend side press surface 48b butt of bend 42c and spring press section 48, limit excessive rotation.
At this, line spring 42 is when being in card and ending state, because strain and the medial surface of bend 42c becomes along the state of large-diameter portion 36 edgewise bends of discharge bulb 10.As shown in Figure 3, set line spring 42 for: line spring 42 is become not inserting discharge bulb 10 under the situation that card ends state, the medial surface of bend 42c from the inner peripheral surface of bulb insertion hole 8a through inboard.Therefore, be inserted into bulb insertion hole 6b, 8a at discharge bulb 10, and line spring 42 is when becoming card and ending state, the side of large-diameter portion 36 becomes by to the direction of intersecting with optical axis (among Fig. 3 downward) application of force.Thus, can carry out the crisscross location of discharge bulb 10.
The large-diameter portion 36 of the bend 42c coiling discharge bulb 10 that extends from support 44 of line spring 42 and being ended by fastener 46 cards.At this moment, the large-diameter portion 36 of line spring 42 and the base portion 10b scope of joining is below the half cycle of large-diameter portion 36 sidepieces.Therefore, line spring 42 is pushed the power of large-diameter portion 36 sides and is not disperseed, active force that can be bigger in addition to discharge bulb 10, but also can fix on certain orientation to application of force direction to discharge bulb 10.Thus, can improve the crisscross positioning accuracy of discharge bulb.
Because when line spring 42 becomes card only during state; The light fixture rear side tabular surface butt of the optical axis direction force section 42c1 of bend 42c and flange part 30, thus the light fixture front side tabular surface that can make flange part 30 stably with the positioning convex portion 40c butt of bulb mount pad 40a.Thus, can improve the positioning accuracy of discharge bulb 10 optical axis directions.
And shown in Fig. 5 (A), being in end 42b and the card claw stop 46b of fastener 46 that card ends the line spring 42 of state is the position butts that stagger to light fixture the place ahead a little at the light fixture rear side tabular surface than flange part 30.That is, fastener 46 opposing flanges portions 30 stagger in optical axis direction the place ahead with the bearing surface of the optical axis direction force section 42c1 of bend 42c.And shown in Fig. 5 (B), end 42a reels to bolster 44a to the position of staggering in light fixture the place ahead at the light fixture rear side tabular surface than flange part 30 a little.That is, support 44 opposing flanges portions 30 stagger in optical axis direction the place ahead with the bearing surface of the optical axis direction force section 42c1 of bend 42c.Therefore, optical axis direction force section 42c1 can be with stronger active force flange part 30 to light fixture the place ahead application of force.Thus, can improve the positioning accuracy of discharge bulb 10 optical axis directions more.
Not only support 44 and fastener 46 the two situation about staggering to optical axis direction the place ahead, and also can the be improved effect of positional precision of some situation about staggering to optical axis direction the place ahead of support 44 and fastener 46.Support 44 and fastener 46 the two stagger or only somely stagger, under only some situation about staggering, be to stagger which of support 44 and fastener 46 then can suitably select according to the positioning accuracy and the design conditions of necessity.At this; When distance from the bearing surface of flange part 30 and line spring 42 to the optical axis direction of support 44 as a, distance during as b from the bearing surface of flange part 30 and line spring 42 to the optical axis direction of fastener 46, than bearing surface in light fixture the place ahead then distance for just, than bearing surface at the light fixture rear then distance be to bear.At this moment, in order to improve the positioning accuracy of discharge bulb 10 at optical axis direction, preferably from the bearing surface to the support 44 apart from a and from the bearing surface to the fastener 46 distance b satisfy the relation of a+b＞0.And support 44 also can stagger on optical axis direction with fastener 46 each other.
At first as shown in Figure 2, the end 42b of online spring 42 inserts discharge bulb 10 under the state of fastener 46 disengagings from the light fixture rear towards bulb insertion hole 8a and bulb insertion hole 6b.At this moment, be make respectively that notch part 32 engages with the alignment pin 40e of lamp socket jig portion 8, notch part 34 engage with identification pin 40f ground the flange part 30 of discharge bulb 10 to 8 insertions of lamp socket jig portion.What carry out discharge bulb 10 thus is the location of the direction of rotation at center with optical axis X.Flange part 30 its light fixture front side tabular surfaces through discharge bulb 10 and the positioning convex portion 40c butt of bulb mount pad 40a carry out the location of optical axis direction.Flange part 30 is maintained at its outer peripheral face and the relative position of perisporium 40d, location.Line spring 42 is supported 44 supportings of portion under the state that does not receive external force.
Then shown in Fig. 4 (A), making the line spring 42 (representing with black thick dashed line) that is in open state is that fulcrum rotates to the arrow A direction with support 44.When line spring 42 turns to assigned position, the end side press surface 48a butt of end 42a and spring press section 48.Under the state of the end 42a of online spring 42 and end side press surface 48a butt during further rotational line spring 42, bend 42c strain, the side butt of rake 42c2 and large-diameter portion 36.So the side of large-diameter portion 36 is tilted the 42c2 of portion and pushes from the top, flange part 30 quilts of discharge bulb 10 are the application of force downwards.Thus, the outer peripheral face of flange part 30 have active force and with the location division 40d3 butt of location perisporium 40d.Consequently discharge bulb 10 is by intersection (vertically) the direction hi-Fix to its optical axis direction.
Along with the side butt of rake 42c2 and large-diameter portion 36, and the light fixture rear side tabular surface butt of optical axis direction force section 42c1 and flange part 30.As the end of line spring 42 42b during near fastener 46, the light fixture rear side tabular surface of flange part 30 is pushed from the light fixture rear by optical axis direction force section 42c1, and the flange part 30 of discharge bulb 10 is by to light fixture the place ahead application of force.Thus, the light fixture front side tabular surface of flange part 30 have active force and with the positioning convex portion 40c butt that forms at circumferentia 40b.Consequently discharge bulb 10 quilts are to its optical axis direction hi-Fix.
Like this, online spring 42 is that the end 42b of line spring 42 was tangled by the card claw stop 46b of fastener 46 after fulcrum had the sidepiece and flange part 30 of tension force ground coiling discharge bulb 10 with support 44, and discharge bulb 10 is to the installation of lamp socket jig portion 8.
If the action of blanket above description architecture then is: in the bulb installation structure 100 of present embodiment; One end of online spring 42 is supported portion 44 supporting and under the state that the other end is ended by fastener 46 cards; Line spring 42 to crisscross the pushing of intersecting with optical axis direction, and is pushed large-diameter portion 36 sides of discharge bulb 10 to the flange part of discharge bulb 10 30 to optical axis direction.Therefore, according to the bulb installation structure 100 of present embodiment, only utilize line spring 42 just can carry out hi-Fix to discharge bulb 10 crisscross with optical axis direction.Thus, do not increase part number ground and just can be installed to assigned position to the relative reflector of discharge bulb accurately with easy structure.
(embodiment 2)
The bulb installation structure of embodiment 2 is provided with anti-principal vertical line spring at fastener and crooks on the point with locking surface different with embodiment 1.Present embodiment below is described.Other structures of structure and bulb installation structure of lamps apparatus for vehicle and discharge bulb that can be suitable for the present embodiment bulb installation structure are then identical with embodiment 1, for then paying identical symbol and suitably omit its explanation with embodiment 1 identical structure.
Fig. 6 (A) is the summary back view of embodiment 2 bulb installation structures, and Fig. 6 (B) is the approximate three-dimensional map of seeing from the left back top of bulb installation structure.
Shown in Fig. 6 (A) and Fig. 6 (B), the bulb installation structure 100 of present embodiment possesses the lamp socket jig portion 8 of the patchhole inlet that is set at reflector 6.Lamp socket jig portion 8 includes: body 40, line spring 42 (elastomeric element), support 44, fastener 46 and spring press section 48.
The fastener 46 of present embodiment possesses base portion 46a, card claw stop 46b and the 46c of locking surface portion.Base portion 46a is at the lower end side of body 40 and the plate-shaped member that is installed in its side and extends to the left and right directions of light fixture.The outstanding card claw stop 46b that is provided with above the opposition side end that has area side of base portion 46a body 40 in the end of left and right directions.Outstanding and front end has roughly circular-arc medial surface to the extension of light fixture the place ahead to card claw stop 46b from the last face up of base portion 46a.Come restraining line spring 42 to change through being in the medial surface butt of end 42b and card claw stop 46b that card ends the line spring 42 of state to open state.The outstanding 46c of locking surface portion that is provided with on the end of base portion 46a.(left side among Fig. 4 (A)) side of the 46c of locking surface portion is continuous with card claw stop 46b, and the end 42a direction of another (right side among Fig. 4 (A)) lateral plate tool directed line spring 42 extend with reflector 6 opposite planar.The 46c of this locking surface portion be in part butt near the card claw stop 46b of line spring 42 that card ends state.
To this, fastener 46 possesses the 46c of locking surface portion in the present embodiment, and is in the card claw stop 46b part butt nearby that card ends the line spring 42 of state.Therefore, can suppress this part crooks to the optical axis direction rear.Thus, can carry out discharge bulb 10 more reliably in optical axis direction and crisscross location.
If the action of blanket above description architecture then is: in the bulb installation structure 100 of present embodiment, fastener 46 possesses the 46c of locking surface portion that extends and contact with line spring 42 to the end of line spring 42 42a side, is fulcrum and quilt is crooked to suppress line spring 42 with fastener 46.Therefore, according to present embodiment, on the basis of embodiment 1 effect, can carry out the optical axis direction of discharge bulb 10 and the effect of crisscross location more reliably in addition.
(embodiment 3)
The structure of the discharge bulb that bulb installation structure was suitable for of embodiment 3 is different with embodiment 1 and 2.Present embodiment below is described.The structure of lamps apparatus for vehicle structure and bulb installation structure that can be suitable for the present embodiment bulb installation structure is identical with embodiment 1, for then paying identical symbol and suitably omit its explanation with embodiment 1 identical structure.
In recent years, the starter circuit and the bulb of the discharge of handlebar control discharge bulb are provided with the all-in-one-piece situation.Fig. 7 (A) is the approximate three-dimensional map of seeing from the left back top of embodiment 3 bulb installation structures, and Fig. 7 (B) is the summary left side view of bulb installation structure.The discharge bulb 10 of present embodiment is installed in the starter circuit 50 that is used to control its discharge the rear end of discharge bulb 10.The situation of this discharge bulb 10 is; Make the line spring around the axle rotation of extending with the optical axis vertical direction and the line spring in this existing structure that push at the back side of discharge bulb 10; The line spring rotates and the obstacle of the application of force because starter circuit 50 becomes, so can not position installation accurately possessing the discharge bulb 10 relative reflectors 6 that starter circuit 50 is arranged.
But the bulb installation structure of above-mentioned each embodiment is the line spring to be centered on to the bolster with the extension of optical axis parallel direction rotate, and the structure of discharge bulb 10 to the optical axis direction and the crisscross application of force.Thus, the rear end face of lamp socket jig portion 8 and the space between the starter circuit 50 can make the line spring rotate and with discharge bulb 10 butts.Therefore, even in the rear end of discharge bulb 10 starter circuit 50 is set, starter circuit 50 can not become the obstacle of the rotation of line spring and the application of force yet.Therefore, through adopting the bulb installation structure of above-mentioned each embodiment,, also can be installed to assigned position accurately with the relative reflector 6 of easy structure even possess the discharge bulb 10 of starter circuit 50.
The line spring 42 of present embodiment also can be provided with not shown plate-shaped springs (conductive part).Plate-shaped springs via lamp socket jig portion 8 with reflector 6 conductings.Discharge bulb 10 contacts with the electric conductivity cover 50a (starter cover) of starter circuit 50 through leaf spring, when the cover 50a of starter circuit 50 becomes ground wire, then can also interdict the noise that produces at bulb body 10a through cover 50a.Consequently just can deal with noise via cover 50a with easy structure.
The present invention is not limited to the foregoing description, also can make up each embodiment, or carry out the distortion of various design alterations etc. according to insider's knowledge, and its combination or the embodiment that is out of shape are also comprised by scope of the present invention.By all having the embodiment and the variation effect separately of combination with above-mentioned each embodiment and the new embodiment that combination produced of following variation between each above-mentioned embodiment.
(variation 1)
Shown in Fig. 5 (B); The line spring 42 of reeling to support 44 among above-mentioned each embodiment is to be configured in the light fixture front side to a part of extending to end 42a side from support 44, being configured in the light fixture rear side and intersecting to the part of bend 42c side extension from support 44.To this; Present embodiment is then shown in Fig. 8 (A) and Fig. 8 (B); The line spring 42 of reeling to support 44 is to be configured in the light fixture rear side to a part of extending to end 42a side from support 44, being configured in the light fixture front side and intersecting to the part of bend 42c side extension from support 44.Thus, the effect of pushing the part of extending to bend 42c side to light fixture the place ahead to the part of end 42a side extension from support 44 is arranged.Therefore, the power that line spring 42 is pushed discharge bulb 10 can be strengthened, the positioning accuracy of discharge bulb 10 can be improved more.
(other variation)
As lamps apparatus for vehicle head lamp has been described among above-mentioned each embodiment, even but other light fixtures such as fog lamp then can access the action effect same with each embodiment through adopting with the same structure of each embodiment.
Claims (5)
1. a bulb installation structure is installed to assigned position to the relative reflector of bulb, and this reflector is formed with the patchhole of the tubular that inserts bulb in the bottom, it is characterized in that,
Possesses the bulb maintaining part that keeps the bulb that inserts; This bulb maintaining part comprises: be arranged on the roughly wire of said patchhole inlet elastomeric element, support the distolateral support of this elastomeric element one, can open the fastener that ends another distolateral card of this elastomeric element
Said bulb maintaining part determines the position relation of said elastomeric element, said support and said fastener as follows: under another distolateral state that is ended by the fastener card of elastomeric element; Elastomeric element from the sidepiece of the outstanding bulb of patchhole to crisscross the pushing of intersecting with optical axis direction; Push the flange part of bulb to optical axis direction simultaneously; Fix the crisscross and optical axis direction of bulb thus
The flange part of at least one relative bulb of said support and said fastener and the bearing surface of elastomeric element stagger in optical axis direction the place ahead.
2. bulb installation structure as claimed in claim 1 is characterized in that, said elastomeric element is that fulcrum has tension force ground and reels to bulb sidepiece and flange part another is distolaterally ended by said fastener card with said support.
3. according to claim 1 or claim 2 bulb installation structure is characterized in that the scope that said elastomeric element and bulb sidepiece join is below the half cycle of bulb sidepiece.
4. according to claim 1 or claim 2 bulb installation structure is characterized in that, said elastomeric element is provided with the conductive part with the starter cover conducting of discharge bulb.
5. bulb installation structure as claimed in claim 3 is characterized in that, said elastomeric element is provided with the conductive part with the starter cover conducting of discharge bulb.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP061731/09 | 2009-03-13 | ||
| JP2009061731A JP2010218769A (en) | 2009-03-13 | 2009-03-13 | Bulb installing structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101839454A CN101839454A (en) | 2010-09-22 |
| CN101839454B true CN101839454B (en) | 2012-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101365298A Expired - Fee Related CN101839454B (en) | 2009-03-13 | 2010-03-12 | Bulb installation structure |
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| JP (1) | JP2010218769A (en) |
| CN (1) | CN101839454B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5830294B2 (en) * | 2011-07-29 | 2015-12-09 | スタンレー電気株式会社 | Vehicle headlamp |
| CN102410501B (en) * | 2011-09-20 | 2013-06-12 | 东风汽车有限公司 | Fog lamp shade mounting structure |
| JP6091069B2 (en) * | 2012-03-23 | 2017-03-08 | 株式会社小糸製作所 | Vehicle lighting |
| CN102889536B (en) * | 2012-10-19 | 2015-01-07 | 南宁燎旺车灯有限责任公司 | Universal projection lower-beam headlamp |
| DE102013104187A1 (en) * | 2013-04-25 | 2014-10-30 | Hella Kgaa Hueck & Co. | Method for arranging a retaining ring on a reflector |
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| JP3133670B2 (en) * | 1996-01-17 | 2001-02-13 | 株式会社小糸製作所 | Valve fixing device for vehicle lighting |
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| EP0926432A2 (en) * | 1997-12-18 | 1999-06-30 | Hella KG Hueck & Co. | Socket assembly for a lamp of a vehicle headlamp |
| JP2001171423A (en) * | 1999-12-20 | 2001-06-26 | Stanley Electric Co Ltd | Assembling structure of headlight |
| CN1307203A (en) * | 2000-01-31 | 2001-08-08 | 株式会社小糸制作所 | Vehicle headlight |
| JP2004362994A (en) * | 2003-06-05 | 2004-12-24 | Ichikoh Ind Ltd | Vehicular lamp |
| JP2005056683A (en) * | 2003-08-05 | 2005-03-03 | Car Mate Mfg Co Ltd | Supporting structure of lamp |
| US7316492B2 (en) * | 2004-03-31 | 2008-01-08 | Koito Manufacturing Co., Ltd. | Vehicle headlamp |
| AT500854B1 (en) * | 2004-11-26 | 2006-04-15 | Zizala Lichtsysteme Gmbh | HOLDING DEVICE FOR A LIGHT SOURCE IN ONE VERSION |
| JP2008204932A (en) * | 2007-01-26 | 2008-09-04 | Matsushita Electric Works Ltd | Lamp socket device, and luminaire equipped with it |
| CN201093295Y (en) * | 2007-09-25 | 2008-07-30 | 比亚迪股份有限公司 | Car light mounting stand with angle regulation and lamp for vehicles containing the mounting stand |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2010218769A (en) | 2010-09-30 |
| CN101839454A (en) | 2010-09-22 |
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