CN104456467A - Lifting bar structure for lamps and projection lamp with same - Google Patents
Lifting bar structure for lamps and projection lamp with same Download PDFInfo
- Publication number
- CN104456467A CN104456467A CN201310423221.5A CN201310423221A CN104456467A CN 104456467 A CN104456467 A CN 104456467A CN 201310423221 A CN201310423221 A CN 201310423221A CN 104456467 A CN104456467 A CN 104456467A
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- China
- Prior art keywords
- elevating lever
- screens
- groove
- guide pillar
- movable guide
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/22—Adjustable mountings telescopic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/104—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening using feather joints, e.g. tongues and grooves, with or without friction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
- F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
- F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
A lifting bar structure for lamps comprises a first lifting bar, a second lifting bar, a connecting ring, a plurality of moving guide posts and a plurality of return elastic member; the first lifting bar is provided with a plurality of elongated guide slots and a plurality of first fastening slots; the second lifting bar is in a hollow structure; the open end of the second lifting bar slidably sleeves the first lifting bar; the second lifting bar is provided with a plurality of fastening holes close to the open end; the connecting ring sleeves the open end of the second lifting bar; the inner periphery of the connecting ring is provided with a plurality of mounting holes; the moving guide posts are mounted at open ends of the mounting holes; the connecting ring is rotatable in relation to the first lifting bar, so that the moving guide posts are selectively fit to the elongated guide slots and the first fastening slots; the moving guide posts can slide in the elongated guide slots along the extension direction of the elongated guide slots and can be fastened to the first fastening slots; the return elastic members are mounted in the mounting hole correspondingly and are abutted to the moving guide posts. The lifting bar structure is convenient to raise and lower; the invention further provides a projection lamp with the lifting bar structure.
Description
[technical field]
The present invention relates to a kind of supporting construction of light fixture, particularly relate to a kind of lifting rod structure of light fixture and adopt the Projecting Lamp of this lifting rod structure.
[background technology]
Existing lamp lifting rod is generally full Manual structure, with snap close locking after being stretched by elevating lever, opens snap close, compare and waste time and energy during decline during rising with hand.
[summary of the invention]
In view of above-mentioned condition, be necessary to provide a kind of lifting rod structure being elevated conveniently light fixture.
A lifting rod structure for light fixture, it comprises:
Be provided with the first elevating lever of multiple long guide groove and multiple first screens groove, the axis that described multiple long guide groove is all parallel to described first elevating lever extends, and arranges at equal intervals around the outer wall of described first elevating lever; Described multiple first screens groove is arranged in two first rings around the outer wall of described first elevating lever respectively, each described first screens slot is between adjacent two described long guide grooves, multiple first screens grooves of described two first rings are arranged near the two ends of described long guide groove respectively, and multiple first screens grooves of each described first ring are arranged all at equal intervals;
For the second elevating lever of hollow rod shape structure, one openend of described second elevating lever is set on the first elevating lever, and relative to described first elevating lever slidably, described second elevating lever is provided with multiple screens hole near described openend, equidistantly arranges along the circumference of described second elevating lever in described multiple screens hole;
Be set in the connecting ring on the described openend of described second elevating lever, the inner peripheral of described connecting ring is provided with multiple installing hole, and described multiple installing hole is arranged at equal intervals along the circumference of described connecting ring;
Be arranged on the multiple movable guide pillar of the openend of described multiple installing hole respectively, each described movable guide pillar along described installing hole in described installing hole axially slidably, described connecting ring and described first elevating lever opposed rotatable, described movable guide pillar is optionally matched with described long guide groove and described first screens groove, in described long guide groove along the bearing of trend of described long guide groove slidably, described movable guide pillar and described first screens groove can fasten described movable guide pillar; And
Be arranged on the multiple return springs in described multiple installing hole respectively, described return springs abuts with described movable guide pillar, for providing an elastic-restoring force to described movable guide pillar;
Wherein, when described connecting ring and described first be elevated relatively rotate to the described movable guide pillar position corresponding with described long guide groove time, described first elevating lever can freely be elevated in described second elevating lever; When described connecting ring and described first be elevated relatively rotate to the described movable guide pillar position corresponding with described first screens groove time, described first elevating lever is fixed relative to described second elevating lever.
Second elevating lever of the lifting rod structure of above-mentioned light fixture is set on the first elevating lever rotationally, when being rotationally connected ring or the first elevating lever until movable guide pillar slips in the long guide groove of the first elevating lever, the first elevating lever can be freely elevated relative to the second elevating lever; When being rotationally connected ring or the first elevating lever until when movable guide pillar slips into the first screens groove of the first elevating lever, first elevating lever is fixed relative to the second elevating lever, therefore, the lifting rod structure of above-mentioned light fixture is rotationally connected ring or the first elevating lever and liftable and location, and its lifting more for convenience.
Wherein in an embodiment, the described openend of described second elevating lever is provided with stopper slot, and described stopper slot extends along the circumference of described second elevating lever, and around described second elevating lever one week; The bottom of described stopper slot is run through in described screens hole; Described connecting ring is set in described stopper slot, and rotatable relative to described second elevating lever; Described second elevating lever is non-to be set on described first elevating lever rotationally.
Wherein in an embodiment, the outer wall of described first elevating lever is oval, the inwall of described second elevating lever is oval, and the major axis of the outer wall of described first elevating lever and minor axis are equal with the major axis of the inwall of described second elevating lever and minor axis respectively, make that described second elevating lever is non-to be set on described first elevating lever rotationally;
The quantity in described screens hole equals the quantity of described first screens groove and the quantity sum of described long guide groove, and described multiple screens hole is arranged with described multiple first screens groove and described long guide groove one_to_one corresponding respectively;
The quantity of described first screens groove and the quantity of described long guide groove are all more than or equal to the quantity of described multiple movable guide pillar, described connecting ring rotates relative to described second elevating lever, described multiple movable guide pillar is fastened with described multiple first screens groove respectively, or matches with described multiple long guide groove.
Wherein in an embodiment, described connecting ring is set on described second elevating lever regularly; Described first elevating lever is circular, and the inwall of described second elevating lever is circular, and described second elevating lever is set on described first elevating lever rotationally;
The quantity of described movable guide pillar equals the quantity in described screens hole, and described multiple movable guide pillar is respectively correspondingly through described multiple screens hole;
The quantity of described first screens groove and the quantity of described long guide groove are all more than or equal to the quantity of described multiple movable guide pillar, described first elevating lever rotates relative to described second elevating lever, described multiple movable guide pillar is fastened with described multiple first screens groove respectively, or matches with described multiple long guide groove.
Wherein in an embodiment, described first elevating lever is also provided with multiple second screens groove, described multiple screens groove is multiple second ring around the outer wall arrangement of described first elevating lever, described multiple first ring is between described two first rings, each described second screens slot is between adjacent two described long guide grooves, and multiple second screens grooves of each described second ring are arranged all at equal intervals;
Rotate described first elevating lever or described connecting ring, described movable guide pillar is optionally matched with described long guide groove and described second screens groove; When described connecting ring or described first lifting turn to the described movable guide pillar position corresponding with described second screens groove, described first elevating lever is fixed relative to described second elevating lever.
Wherein in an embodiment, each described second screens groove and each described first screens groove all equal with the spacing of adjacent two described long guide grooves.
Wherein in an embodiment, the free end of described movable guide pillar is provided with the bearing surface of arc or wedge shape, the axis that described bearing surface is parallel to described second elevating lever is arranged, when described first elevating lever and described connecting ring relatively rotate, described long guide groove be positioned at the sidewall of the axis of described first elevating lever or described first screens slot in the axis of described first elevating lever sidewall along described bearing surface slidably, thus movable guide pillar is skidded off in described long guide groove or described first screens groove.
Wherein in an embodiment, described long guide groove is positioned at the sidewall of the axis of described first elevating lever and described first screens slot is arc or wedge shape in the sidewall of the axis of described first elevating lever, when described first elevating lever and described connecting ring relatively rotate, the free end of described movable guide pillar be positioned at along described long guide groove the sidewall of the axis of described first elevating lever or described first screens slot in the axis of described first elevating lever sidewall slidably, thus movable guide pillar is skidded off in described long guide groove or described first screens groove.
Wherein in an embodiment, described connecting ring comprises inner ring and is set in described interior outside upper outer shroud;
The outer peripheral edge of described inner ring is provided with alignment grooves, and described alignment grooves extends along the circumference of described inner ring, and around described inner ring one week;
The inner peripheral of described outer shroud is provided with contraposition flange, and described contraposition flange extends along the circumference of described outer shroud, and around the inner peripheral one week of described outer shroud;
Described contraposition flange and described alignment grooves interference fit, make described inner ring and described outer shroud removably connect;
Described installing hole runs through the bottom of described alignment grooves and described contraposition flange.
Meanwhile, the present invention also provides a kind of Projecting Lamp adopting above-mentioned lifting rod structure.
A kind of Projecting Lamp, it comprises:
Above-mentioned lifting rod structure;
Be arranged on the U-shaped support of described first elevating lever away from one end of described second elevating lever, described U-shaped support is rotatable around the end of described first elevating lever; And
Lamp holder between two support arms being arranged on described U-shaped support, described lamp holder is removably connected by the free end of two support arms of threaded fastener and described U-shaped support, and when unclamping described threaded fastener, described lamp holder is dynamic relative to described U-shaped bracket-rotatable.
[accompanying drawing explanation]
Fig. 1 is the assembly drawing of the lifting rod structure of the light fixture of embodiment of the present invention;
Fig. 2 is the exploded view of the lifting rod structure of the light fixture shown in Fig. 1;
Fig. 3 is the structural representation of the connecting ring of the lifting rod structure of the light fixture shown in Fig. 1;
Fig. 4 is the top view of the connecting ring shown in Fig. 3;
Fig. 5 is the fragmentary axial cross-section of the connecting ring shown in Fig. 3;
Fig. 6 is the fragmentary axial cross-section of the lifting rod structure of the light fixture shown in Fig. 1;
Fig. 7 is the top view of the lifting rod structure of the light fixture shown in Fig. 1.
[detailed description of the invention]
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Preferred embodiment of the present invention is given in accompanying drawing.But the present invention can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present invention more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement are just for illustrative purposes.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1 and Fig. 2, the lifting rod structure 100 of the light fixture of embodiment of the present invention, comprise the first elevating lever 110, second elevating lever 120, connecting ring 130, multiple movable guide pillars 140 and multiple return springs 150(as shown in Figure 5).First elevating lever 110 is liftable in the second elevating lever 120, and multiple movable guide pillar 140 and multiple return springs 150 are arranged on connecting ring 130, for locating the first elevating lever 110.Connecting ring 130 and the first elevating lever 110 opposed rotatable, namely, connecting ring 130 is not rotatable relative to the second elevating lever 120, first elevating lever 110 is rotatable relative to the second elevating lever 120, or, connecting ring 130 is rotatable relative to the second elevating lever 120, first elevating lever 110 is not rotatable relative to the second elevating lever 120, specifically in the illustrated embodiment in which, first elevating lever 110 rotatable relative to the second elevating lever 120 for connecting ring 130 is not rotatably described relative to the second elevating lever 120.
First elevating lever 110 is provided with multiple long guide groove 111 and multiple first screens groove 113.The axis that multiple long guide groove 111 is all parallel to the first elevating lever 110 extends, and arranges at equal intervals around the outer wall of the first elevating lever 110.Multiple first screens groove 113 is arranged in two first rings respectively around the outer wall of the first elevating lever 110.Each first screens groove 113 is between adjacent two long guide grooves 111.Multiple first screens grooves 113 of two first rings are arranged near the two ends of long guide groove 111 respectively, and multiple first screens grooves 113 of each first ring are arranged all at equal intervals.First elevating lever 110 can be hollow rod shape structure for solid hopkinson bar.
Second elevating lever 120 is hollow rod shape structure.One openend of the second elevating lever 120 is set on the first elevating lever 110, and relative to the first elevating lever 110 slidably.Second elevating lever 120 is provided with multiple screens hole 121 near openend.Equidistantly arrange along the circumference of the second elevating lever 120 in multiple screens hole 121.
Specifically in the illustrated embodiment in which, the outer wall of the first elevating lever 110 is oval, the inwall of the second elevating lever 120 is oval, and the major axis of the outer wall of the first elevating lever 110 and minor axis are equal with the major axis of the inwall of the second elevating lever 120 and minor axis respectively, make that the second elevating lever 120 is non-to be set on the first elevating lever 110 rotationally.Because the first elevating lever 110 and the second elevating lever 120 are ellipse, thus without the need to arranging independent spline structure, the first elevating lever 110 can be stoped relative to the second elevating lever 120, and its structure is comparatively simple.
Further, the quantity in screens hole 121 equals the quantity of the first screens groove 113 and the quantity sum of long guide groove 111, and multiple screens hole 121 is arranged with multiple first screens groove 113 and long guide groove 111 one_to_one corresponding respectively.
See also Fig. 3 to Fig. 5, connecting ring 130 is set on the openend of the second elevating lever 120.The inner peripheral of connecting ring 130 is provided with multiple installing hole 132, and multiple installing hole 132 is arranged at equal intervals along the circumference of connecting ring 130.It is concrete that the openend of the second elevating lever 120 is provided with stopper slot 123, and stopper slot 123 extends along the circumference of the second elevating lever 120 in the illustrated embodiment in which, and around the second elevating lever 120 1 weeks.The bottom of stopper slot 123 is run through in screens hole 121.Connecting ring 130 is set in stopper slot 123, and rotatable relative to the second elevating lever 120.Second elevating lever 120 is non-to be set on the first elevating lever 110 rotationally.
Further, connecting ring 130 comprises inner ring 131 and is set in interior outside upper outer shroud 133.The outer peripheral edge of inner ring 131 is provided with alignment grooves 131a, and alignment grooves 131a extends along the circumference of inner ring 131, and around inner ring 131 1 weeks.The inner peripheral of outer shroud 133 is provided with contraposition flange 133a, and contraposition flange 133a extends along the circumference of outer shroud 133, and around the inner peripheral one week of outer shroud 133.Contraposition flange 133a and alignment grooves 131a interference fit, make inner ring 131 and outer shroud 133 removably connect.Installing hole 132 runs through bottom and the contraposition flange 133a of alignment grooves 131a.
Because the inner ring 131 of connecting ring 130 is removably connected by alignment grooves 131a and contraposition flange 133a with outer shroud 133, its assembling more for convenience, is convenient to replacing activity guide pillar 140 and return springs 150.
Multiple movable guide pillar 140 is arranged on the openend of multiple installing hole 132 respectively, each movable guide pillar 140 along installing hole 132 in installing hole 132 axially slidably.When connecting ring 130 and the first elevating lever 110 relatively rotate, movable guide pillar 140 is optionally matched with long guide groove 111 and the first screens groove 113, in long guide groove 111 along the bearing of trend of long guide groove 111 slidably, movable guide pillar 140 and the first screens groove 113 can fasten movable guide pillar 140.
Specifically in the illustrated embodiment in which, the quantity of the first screens groove 113 and the quantity of long guide groove 111 are all more than or equal to the quantity of multiple movable guide pillar 140, connecting ring 130 rotates relative to the second elevating lever 120, multiple movable guide pillar 140 is fastened with multiple first screens groove 113 respectively, or matches with multiple long guide groove 111.
Further, in the illustrated embodiment in which, the free end of movable guide pillar 140 is provided with the bearing surface 141 of arc or wedge shape, the axis that bearing surface 141 is parallel to the second elevating lever 120 is arranged, when first elevating lever 110 relatively rotates with connecting ring 130, long guide groove 111 is positioned at the sidewall of the axis of the first elevating lever 110 or the first screens groove 113 is positioned at the sidewall of the axis of the first elevating lever 110 along bearing surface 141 slidably, thus movable guide pillar 140 is skidded off in long guide groove 111 or the first screens groove 113.
Free end due to movable guide pillar 140 is provided with the bearing surface 141 of the axis setting being parallel to the second elevating lever 120, bearing surface 141 is arc or wedge shape, the circumference of movable guide pillar 140 relatively easily along the first elevating lever 110 in the long guide groove 111 of the first elevating lever 110 or the first screens groove 113 is skidded off, and the circumference being difficult to the first elevating lever 110 skid off.
In other embodiments, long guide groove 111 is positioned at the sidewall that the sidewall of the axis of the first elevating lever 110 and the first screens groove 113 be positioned at the axis of the first elevating lever 110 and is arc or wedge shape, when first elevating lever 110 relatively rotates with connecting ring 130, the free end of movable guide pillar 140 is positioned at the sidewall of the axis of the first elevating lever 110 along long guide groove 111 or the first screens groove 113 is positioned at the sidewall of the axis of the first elevating lever 110 slidably, thus movable guide pillar 140 is skidded off in long guide groove 111 or the first screens groove 113.
Arc or wedge shape is because long guide groove 111 is positioned at the sidewall that the sidewall of the axis of the first elevating lever 110 and the first screens groove 113 be positioned at the axis of the first elevating lever 110, the circumference of movable guide pillar 140 relatively easily along the first elevating lever 110 in the long guide groove 111 of the first elevating lever 110 or the first screens groove 113 is skidded off, and the circumference being difficult to the first elevating lever 110 skid off.
Multiple return springs 150 is arranged in multiple installing holes 132 of connecting ring 130 respectively.Return springs 150 abuts with movable guide pillar 140, for providing an elastic-restoring force to movable guide pillar 140.Specifically in the illustrated embodiment in which, the end face of the stiff end of movable guide pillar 140 is provided with axially extended first slot 143 along movable guide pillar 140, the bottom of the installing hole 132 of connecting ring 130 is provided with the second slot 134, and the two ends of return springs 150 are held in the first slot 143 and the second slot 134 respectively.Return springs 150 can be Compress Spring, elastic rubber column etc.
See also 6 and Fig. 7, when connecting ring 130 and first be elevated relatively rotate to movable guide pillar 140 position corresponding with long guide groove 111 time, the first elevating lever 110 can freely be elevated in the second elevating lever 120.When connecting ring 130 and first be elevated relatively rotate to movable guide pillar 140 position corresponding with the first screens groove 113 time, the first elevating lever 110 is fixed relative to the second elevating lever 120.
Further, the first elevating lever 110 is also provided with multiple second screens groove (not shown).Multiple screens groove is multiple second ring around the outer wall arrangement of the first elevating lever 110, and multiple first ring is between two first rings.Each second screens slot is between adjacent two long guide grooves 111, and multiple second screens grooves of each second ring are arranged all at equal intervals.Rotate the first elevating lever 110 or connecting ring 130, movable guide pillar 140 is optionally matched with long guide groove 111 and the second screens groove; When connecting ring 130 or the first lifting turn to movable guide pillar 140 position corresponding with the second screens groove, the first elevating lever 110 is fixing relative to the second elevating lever 120.
Because the movable guide pillar 140 on connecting ring 130 fastens with multiple second screens grooves at the middle part being positioned at the first elevating lever 110, first elevating lever 110 is rested on multiple height and position relative to the second elevating lever 120 Absorbable organic halogens, thus the first elevating lever 110 can be increased to different height.
Further, each second screens groove and each first screens groove 113 are all equal with the spacing of adjacent two long guide grooves 111.Because each second screens groove and each first screens groove 113 are all positioned at the middle of adjacent two long guide grooves 111, multiple first screens groove 113 is arranged at equal intervals with multiple long guide groove 111, multiple second screens groove is also arranged at equal intervals with multiple long guide groove 111, make the first elevating lever 110 or connecting ring 130 all rotate identical distance at every turn, location and the unblock of the first elevating lever 110 can be realized, and sound out repeatedly without the need to repeatedly groping.
It should be noted that, when connecting ring 130 is not rotatable relative to the second elevating lever 120, when first elevating lever 110 is rotatable relative to the second elevating lever 120, connecting ring 130 is set on the second elevating lever 120 regularly, first elevating lever 110 is circular, the inwall of the second elevating lever 120 is circular, and the second elevating lever 120 is set on the first elevating lever 110 rotationally.The quantity of movable guide pillar 140 equals the quantity in screens hole 121, and multiple movable guide pillar 140 is respectively correspondingly through multiple screens hole 121.The quantity of the first screens groove 113 and the quantity of long guide groove 111 are all more than or equal to the quantity of multiple movable guide pillar 140, first elevating lever 110 rotates relative to the second elevating lever 120, multiple movable guide pillar 140 is fastened with multiple first screens groove 113 respectively, or matches with multiple long guide groove 111.
In addition, lifting rod structure 100 also comprises multiple the first elevating lever 110 and the second elevating lever 120 be socketed successively, makes the length of lifting rod structure 100 by more piece first elevating lever 110 and the second elevating lever 120 telescopic adjustment.
When needing the length regulating lifting rod structure 100, be rotationally connected ring 130 or the first elevating lever 110 until the movable guide pillar 140 in connecting ring 130 is corresponding with the long guide groove 111 of the first elevating lever 110, when movable guide pillar 140 in connecting ring 130 is slided in the long guide groove 111 of the first elevating lever 110, the first elevating lever 110 can freely be elevated.When the first elevating lever 110 raises or drops to maximum position, be rotationally connected ring 130 or the first elevating lever 110, movable guide pillar 140 in connecting ring 130 can be flexible under the effect of the spring of return springs 150, when connecting ring 130 or the first elevating lever 110 turn to first screens groove 113 place of connecting ring 130 inner guiding post between the long guide groove 111 of the first elevating lever 110, the location of the first elevating lever 110 can be realized.Be rotated further connecting ring 130 or the first elevating lever 110 and can realize again the flexible of the first elevating lever 110, again rotate and can fix.
Second elevating lever 120 of the lifting rod structure 100 of above-mentioned light fixture is set on the first elevating lever 110 rotationally, when being rotationally connected ring 130 or the first elevating lever 110 until movable guide pillar 140 slips in the long guide groove 111 of the first elevating lever 110, the first elevating lever 110 can be freely elevated relative to the second elevating lever 120; When being rotationally connected ring 130 or the first elevating lever 110 until when movable guide pillar 140 slips into the first screens groove 113 of the first elevating lever 110, first elevating lever 110 is fixed relative to the second elevating lever 120, therefore, the lifting rod structure 100 of above-mentioned light fixture is rotationally connected ring 130 or the first elevating lever 110 i.e. liftable and location, and its lifting more for convenience.
Above-mentioned lifting rod structure 100 can be applied on different light fixtures, such as, and Projecting Lamp, Traffic alarm light, field emergency lamp etc.Specifically in the present embodiment, be described for Projecting Lamp.
A kind of Projecting Lamp, it comprises lifting rod structure 100, U-shaped support and lamp holder.U-shaped support installing is in the first elevating lever 110 one end away from the second elevating lever 120, and U-shaped support is rotatable around the end of the first elevating lever 110.
Lamp holder is arranged between two support arms of U-shaped support.Lamp holder is removably connected by the free end of two support arms of threaded fastener and U-shaped support, and when unclamping threaded fastener, lamp holder is dynamic relative to U-shaped bracket-rotatable.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a lifting rod structure for light fixture, is characterized in that, comprising:
Be provided with the first elevating lever of multiple long guide groove and multiple first screens groove, the axis that described multiple long guide groove is all parallel to described first elevating lever extends, and arranges at equal intervals around the outer wall of described first elevating lever; Described multiple first screens groove is arranged in two first rings around the outer wall of described first elevating lever respectively, each described first screens slot is between adjacent two described long guide grooves, multiple first screens grooves of described two first rings are arranged near the two ends of described long guide groove respectively, and multiple first screens grooves of each described first ring are arranged all at equal intervals;
For the second elevating lever of hollow rod shape structure, one openend of described second elevating lever is set on the first elevating lever, and relative to described first elevating lever slidably, described second elevating lever is provided with multiple screens hole near described openend, equidistantly arranges along the circumference of described second elevating lever in described multiple screens hole;
Be set in the connecting ring on the described openend of described second elevating lever, the inner peripheral of described connecting ring is provided with multiple installing hole, and described multiple installing hole is arranged at equal intervals along the circumference of described connecting ring;
Be arranged on the multiple movable guide pillar of the openend of described multiple installing hole respectively, each described movable guide pillar along described installing hole in described installing hole axially slidably, described connecting ring and described first elevating lever opposed rotatable, described movable guide pillar is optionally matched with described long guide groove and described first screens groove, in described long guide groove along the bearing of trend of described long guide groove slidably, described movable guide pillar and described first screens groove can fasten described movable guide pillar; And
Be arranged on the multiple return springs in described multiple installing hole respectively, described return springs abuts with described movable guide pillar, for providing an elastic-restoring force to described movable guide pillar;
Wherein, when described connecting ring and described first be elevated relatively rotate to the described movable guide pillar position corresponding with described long guide groove time, described first elevating lever can freely be elevated in described second elevating lever; When described connecting ring and described first be elevated relatively rotate to the described movable guide pillar position corresponding with described first screens groove time, described first elevating lever is fixed relative to described second elevating lever.
2. the lifting rod structure of light fixture as claimed in claim 1, it is characterized in that, the described openend of described second elevating lever is provided with stopper slot, and described stopper slot extends along the circumference of described second elevating lever, and around described second elevating lever one week; The bottom of described stopper slot is run through in described screens hole; Described connecting ring is set in described stopper slot, and rotatable relative to described second elevating lever; Described second elevating lever is non-to be set on described first elevating lever rotationally.
3. the lifting rod structure of light fixture as claimed in claim 2, it is characterized in that, the outer wall of described first elevating lever is oval, the inwall of described second elevating lever is oval, and the major axis of the outer wall of described first elevating lever and minor axis are equal with the major axis of the inwall of described second elevating lever and minor axis respectively, make that described second elevating lever is non-to be set on described first elevating lever rotationally;
The quantity in described screens hole equals the quantity of described first screens groove and the quantity sum of described long guide groove, and described multiple screens hole is arranged with described multiple first screens groove and described long guide groove one_to_one corresponding respectively;
The quantity of described first screens groove and the quantity of described long guide groove are all more than or equal to the quantity of described multiple movable guide pillar, described connecting ring rotates relative to described second elevating lever, described multiple movable guide pillar is fastened with described multiple first screens groove respectively, or matches with described multiple long guide groove.
4. the lifting rod structure of light fixture as claimed in claim 1, it is characterized in that, described connecting ring is set on described second elevating lever regularly; Described first elevating lever is circular, and the inwall of described second elevating lever is circular, and described second elevating lever is set on described first elevating lever rotationally;
The quantity of described movable guide pillar equals the quantity in described screens hole, and described multiple movable guide pillar is respectively correspondingly through described multiple screens hole;
The quantity of described first screens groove and the quantity of described long guide groove are all more than or equal to the quantity of described multiple movable guide pillar, described first elevating lever rotates relative to described second elevating lever, described multiple movable guide pillar is fastened with described multiple first screens groove respectively, or matches with described multiple long guide groove.
5. the lifting rod structure of light fixture as claimed in claim 1, it is characterized in that, described first elevating lever is also provided with multiple second screens groove, described multiple screens groove is multiple second ring around the outer wall arrangement of described first elevating lever, described multiple first ring is between described two first rings, each described second screens slot is between adjacent two described long guide grooves, and multiple second screens grooves of each described second ring are arranged all at equal intervals;
Rotate described first elevating lever or described connecting ring, described movable guide pillar is optionally matched with described long guide groove and described second screens groove; When described connecting ring or described first lifting turn to the described movable guide pillar position corresponding with described second screens groove, described first elevating lever is fixed relative to described second elevating lever.
6. the lifting rod structure of light fixture as claimed in claim 5, is characterized in that, each described second screens groove and each described first screens groove all equal with the spacing of adjacent two described long guide grooves.
7. the lifting rod structure of light fixture as claimed in claim 1, it is characterized in that, the free end of described movable guide pillar is provided with the bearing surface of arc or wedge shape, the axis that described bearing surface is parallel to described second elevating lever is arranged, when described first elevating lever and described connecting ring relatively rotate, described long guide groove be positioned at the sidewall of the axis of described first elevating lever or described first screens slot in the axis of described first elevating lever sidewall along described bearing surface slidably, thus movable guide pillar is skidded off in described long guide groove or described first screens groove.
8. the lifting rod structure of light fixture as claimed in claim 1, it is characterized in that, described long guide groove is positioned at the sidewall of the axis of described first elevating lever and described first screens slot is arc or wedge shape in the sidewall of the axis of described first elevating lever, when described first elevating lever and described connecting ring relatively rotate, the free end of described movable guide pillar be positioned at along described long guide groove the sidewall of the axis of described first elevating lever or described first screens slot in the axis of described first elevating lever sidewall slidably, thus movable guide pillar is skidded off in described long guide groove or described first screens groove.
9. the lifting rod structure of light fixture as claimed in claim 1, it is characterized in that, described connecting ring comprises inner ring and is set in described interior outside upper outer shroud;
The outer peripheral edge of described inner ring is provided with alignment grooves, and described alignment grooves extends along the circumference of described inner ring, and around described inner ring one week;
The inner peripheral of described outer shroud is provided with contraposition flange, and described contraposition flange extends along the circumference of described outer shroud, and around the inner peripheral one week of described outer shroud;
Described contraposition flange and described alignment grooves interference fit, make described inner ring and described outer shroud removably connect;
Described installing hole runs through the bottom of described alignment grooves and described contraposition flange.
10. a Projecting Lamp, is characterized in that, comprising:
Lifting rod structure as described in any one of claim 1 ~ 9;
Be arranged on the U-shaped support of described first elevating lever away from one end of described second elevating lever, described U-shaped support is rotatable around the end of described first elevating lever; And
Lamp holder between two support arms being arranged on described U-shaped support, described lamp holder is removably connected by the free end of two support arms of threaded fastener and described U-shaped support, and when unclamping described threaded fastener, described lamp holder is dynamic relative to described U-shaped bracket-rotatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423221.5A CN104456467B (en) | 2013-09-16 | 2013-09-16 | The lifting rod structure of lamps and lanterns and the Projecting Lamp for using the lifting rod structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310423221.5A CN104456467B (en) | 2013-09-16 | 2013-09-16 | The lifting rod structure of lamps and lanterns and the Projecting Lamp for using the lifting rod structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104456467A true CN104456467A (en) | 2015-03-25 |
| CN104456467B CN104456467B (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310423221.5A Active CN104456467B (en) | 2013-09-16 | 2013-09-16 | The lifting rod structure of lamps and lanterns and the Projecting Lamp for using the lifting rod structure |
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| Country | Link |
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| CN (1) | CN104456467B (en) |
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| Publication number | Publication date |
|---|---|
| CN104456467B (en) | 2018-11-27 |
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