CN202065861U

CN202065861U - LED lamp with retractable lamp pole

Info

Publication number: CN202065861U
Application number: CN2011201427025U
Authority: CN
Inventors: 金崇斌; 林万炯
Original assignee: Individual
Current assignee: Ningbo Self Electronics Co Ltd
Priority date: 2011-04-29
Filing date: 2011-04-29
Publication date: 2011-12-07
Anticipated expiration: 2021-04-29

Abstract

An LED lamp with a retractable lamp pole, including a lamp pole, a lamp body and a lamp base, wherein, the lamp base is installed on the lamp body, and the lamp body is articulated on the lamp pole. It is characterized in that: The light pole includes an inner rod and an outer rod that are plugged together. A groove is opened on the side wall of the inner rod, and a shrapnel is embedded in the groove. The shrapnel has an elastic movable end that is turned outward. The elastic movable end is in close contact with the inner side wall of the outer rod. Compared with the prior art, the utility model has the advantage that the telescopic structure of the light pole is realized by the cooperation of the inner pole and the outer pole, and the elastic movable end of the shrapnel can always It is against the inner wall of the outer rod to prevent the loosening of the inner rod and the outer rod. At the same time, the convex point on the inner wall of the outer rod can be offset against the shrapnel in the groove of the inner rod, so as to ensure the axial limit after the inner and outer rods are pulled out from the outer rod. , This telescopic structure is simple in structure, convenient in installation, reliable in positioning, and very practical.

Description

The telescopic LED lamp of a kind of lamp stand

Technical field

The utility model relates to a kind of light fixture, the telescopic LED lamp of particularly a kind of lamp stand.

Background technology

The lamp stand of common vertical rod formula LED lamp all is that length is fixing, and the user can't regulate the high and low position of lamp effectively, uses very inconvenient.

In order to realize the adjustment of lamp holder high and low position, usually lamp stand is designed to telescopic structure.A lot of expansion link structures are arranged in the prior art, as the patent No. in the prior art is a kind of fitting structure that can realize length adjustment the Chinese utility model patent " Telescopic LED cup lamp lamp housing " of ZL200620022317.6 discloses, this light fixture comprises a Lamp cup concave volume, one transparency cover, the fit tube of one fall way and an end band mains supply interface, one opening end and the transparency cover of Lamp cup concave volume screws togather, a client link of another opening end and fall way, and the other end of fall way is not with the mains supply interface end to cooperate connection as plug-in type with fit tube.Though above-mentioned patent can realize the adjustment of LED lamp length by telescopic lamp housing, but, the stretching structure of above-mentioned patent only is suitable for the cup lamp that needs are installed lamp housing, and stretching structure is by the realization that cooperatively interacts of fall way and fit tube, structure is comparatively complicated, and for common vertical rod formula LED light fixture, it does not have lamp design, lamp holder is directly fixed in the vertical rod, and vertical rod and lamp socket are connected, in case after the lamp socket fixed installation, the height of vertical rod is just fixing, can't realize the free adjustment to the light fixture height.

The utility model content

Technical problem to be solved in the utility model is to provide a kind of retractable LED lamp of lamp stand simple, easy for installation and that can reliably locate that connects at above-mentioned prior art present situation.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: the telescopic LED lamp of a kind of lamp stand, include lamp stand, lamp body and lamp holder, wherein, described lamp holder is installed on the lamp body, described lamp body is movably articulated on the described lamp stand, it is characterized in that: described lamp stand includes the interior bar and the outer bar of pegging graft and cooperating, offer groove on the sidewall of bar in described, be embedded with shell fragment in the described groove, this shell fragment has the elasticity movable end that sticks up to turning up, and the madial wall of described elasticity movable end and described outer bar is tight against under elastic reaction mutually.

For bar in preventing is deviate from from outer bar fully, as preferably, also offer the groove of arranging vertically on the sidewall of bar in described, the madial wall of described outer bar is provided with and can moves and be limited in salient point on the described shell fragment along described groove.When the interior bar that has shell fragment slided in the bar outside, shell fragment remained the Elastic Contact of inside and outside bar; After interior bar was with respect to outer bar slip certain distance, salient point and shell fragment offseted, and at this moment, interior bar is with respect to outer bar axial limiting, and lamp stand reaches maximum and stretches out height.

Install for convenience, realize being movably hinged between lamp stand and the lamp body, as preferably, the hinged end of described lamp stand is formed with first lug, offer first screwed hole on described first lug, correspondingly, the hinged end of described lamp body be formed with can and second lug that offsets of the sidewall of described first lug, offer first through hole that aligns with described first screwed hole on described second lug, realize being movably hinged linking to each other with the backing-up screw within first through hole by being arranged in described first screwed hole between described first lug and second lug, and, on described lamp stand, also offer second screwed hole that connects with described first screwed hole, the axial direction of the axis direction of described second screwed hole and described first screwed hole is perpendicular, is equipped with the inconsistent trip bolt of screw thread of energy and described backing-up screw in this second screwed hole.

In order to improve the connection reliability of jam nut, preventing that lamp body from rotating back and forth in the process makes that loosening screw takes place loosening, as preferably, described first through hole is a shoulder hole, described backing-up screw includes stub end and screw rod, wherein, the screw head of described backing-up screw penetrates the miner diameter end of described first through hole, the stub end of this backing-up screw is placed in the bigger diameter end of described first through hole, and, also be arranged with the elastomer that prevents that this backing-up screw from outwards sliding on the described backing-up screw, the cascaded surface of a described elastomeric side and described first through hole offsets, and the stub end of this elastomeric opposite side and described backing-up screw offsets.So after backing-up screw screwed, elastomer can produce an expansive force that prevents that backing-up screw is loosening, effectively prevent getting loose of backing-up screw in the active procedure, simultaneously, trip bolt can press closer backing-up screw, further prevents getting loose of backing-up screw effectively.

In order to guarantee the effect of elastic compression, as further preferred, described elastomer includes flat shim and disk gasket, wherein, one side of described flat shim and the cascaded surface of described first through hole offset, the little head end of described disk gasket and the opposite side of this flat shim offset, and the stub end of described disk gasket and the stub end of described backing-up screw offset.During installation, must guarantee that the stub end of disk gasket and the stub end of backing-up screw offset, like this, when backing-up screw is tightened, could produce better anti-loosing effect.

Installing and fixing of light fixture as preferably, also is provided with mount pad on the described lamp stand for convenience.

Compared with prior art, advantage of the present utility model is: the mode that bar and outer bar cooperate in adopting realizes the Collapsible structure of lamp stand, in the moving process of interior bar with respect to outer bar, the elasticity movable end of shell fragment can offset with outer bar inwall all the time, and bar and outer bar is loosening in preventing; Simultaneously, the salient point on the outer bar inwall can offset with the shell fragment in the interior bar groove, thus the axial limiting after from outer bar, pulling out inside and outside guaranteeing, this stretching structure is simple in structure, easy for installation, and the location is reliable, and is very practical.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 is the three-dimensional exploded view of the utility model embodiment.

Fig. 3 is the partial sectional view of the utility model embodiment.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Present embodiment such as Fig. 1～shown in Figure 3, the light fixture of present embodiment is a kind of vertical rod formula LED lamp, this LED lamp includes lamp stand 1, lamp body 2 and lamp holder 3, wherein, be provided with led chip in the lamp holder 3, many lamp holders 3 are installed on the lamp body 2, the lamp stand 1 of present embodiment adopts telescopic structure, include interior bar 11 and outer bar 12 that mutual grafting cooperates, outer bar 12 is set in outside the interior bar 11, wherein, offer a groove 111 respectively on two sidewalls of establishing relatively of interior bar 11, be embedded with shell fragment 4 in the groove 111, these shell fragment 4 centers have the elasticity movable end 41 that sticks up to turning up, among the bar 12 time, elasticity movable end 41 is tight against mutually with the madial wall of outer bar 12 outside interior bar 11 is inserted into; In order to prevent in the telescopic process, interior bar 11 is deviate from from outer bar 12, also offer axial arranged groove 112 on the sidewall of interior bar 11, the madial wall of outer bar 12 is provided with the salient point 121 that can move along groove 112, thus this salient point 121 can with shell fragment 4 offset realize in the axial limiting of bar 11.

Between lamp body 2 and the lamp stand 1 for being movably hinged, wherein, the hinged end of interior bar 11 is formed with two first lugs 113 that are provided with at interval, offer first screwed hole 114 on each first lug 113, correspondingly, the hinged end of lamp body 2 also is formed with the second corresponding hinged respectively lug 21 of first lug 113 on two energy and the lamp stand 1, offer first through hole 22 that aligns with the first corresponding screwed hole 114 on second lug, realize being movably hinged linking to each other with the backing-up screw 5 within first through hole 22 by being arranged in first screwed hole 114 between corresponding one group of first lug 113 and second lug 21;

In order to prevent vertically loosening of backing-up screw 5 in the use, also offer second screwed hole 115 that connects with first screwed hole 114 in the front of lamp stand 1, the axial direction of the axis direction of this second screwed hole 115 and first screwed hole 114 is perpendicular, be equipped with the inconsistent trip bolt of screw thread of energy and backing-up screw 5 in second screwed hole 115, referring to Fig. 3;

In order further to improve the connection reliability of backing-up screw 5, first through hole 22 is designed to shoulder hole, backing-up screw 5 includes stub end and screw rod, wherein, the screw head of backing-up screw 5 passes the miner diameter end of first through hole 22, the stub end of backing-up screw 5 is placed in the bigger diameter end of first through hole 22, and, also be arranged with the elastomer that prevents that this backing-up screw 5 from outwards sliding on the backing-up screw 5, elastomer can be conventional pads or shell fragment, in order to improve connection reliability, preferably, elastomer includes flat shim 61 and disk gasket 62, and a side of flat shim 61 and the cascaded surface of first through hole 22 offset, and the little head end of disk gasket 62 and the opposite side of this flat shim 61 offset, the stub end of the stub end of disk gasket 62 and backing-up screw 5 offsets, when screwing backing-up screw 5, disk gasket 62 is strutted and is produced an expansive force, prevents that better backing-up screw 5 is loosening.

Layout for convenience of lead, interior bar 11 offers second through hole 116 vertically, lead in the lamp holder 3 can penetrate into from the gap 117 between two first lugs 113 of interior bar 11 second through hole 116, and lead is not exposed to the outside, makes lamp body more neat and artistic;

The fixed installation of LED lamp for convenience, the bottom of bar 12 is provided with a mount pad 7 outside, this mount pad 7 includes supporting base 71, deck 72, trim 73 and base 74, wherein, deck 72 is provided with perpendicular to supporting base 71, offers axis hole 122 on the sidewall of outer bar 12, and, the sidewall of deck 72 is provided with projection 721, also offers hole clipping 123 on the sidewall of outer bar 12; During installation, deck 72 and this supporting base 71 are fixedlyed connected by screw, deck 72 inserts in the axis hole 122, projection 721 embeds in the hole clipping 123, base 74 is fixed on the installed surface by screw in advance, the whole lamp that will be connected with supporting base 71 then is positioned on the base 74, in order to improve connection reliability, prevent to become flexible, between base 74 and supporting base 71, also be provided with sheet 75 and rubber ring 76, at last trim 73 is set in outside the supporting base 71, screws by being threaded between base 74 and the trim 73.

Claims

1. An LED lamp with a retractable light pole, comprising a light pole, a lamp body and a lamp holder, wherein the lamp holder is mounted on the lamp body, and the lamp body is articulated on the lamp pole, characterized in that: The light pole includes an inner pole and an outer pole that are plugged together, and a groove is opened on the side wall of the inner pole, and a shrapnel is embedded in the groove, and the shrapnel has an elastic movable end turned outward , the elastic movable end is in close contact with the inner side wall of the outer rod.

2. The LED lamp with retractable light pole according to claim 1, characterized in that: the side wall of the inner pole is also provided with grooves arranged in the axial direction, and the inner side wall of the outer pole is provided with grooves The protruding point which can move along the groove and is limited on the elastic sheet.

3. The LED lamp with a retractable light pole according to claim 1 or 2, wherein a first lug is formed on the hinged end of the light pole, and a first threaded hole is opened on the first lug Correspondingly, the hinged end of the lamp body is formed with a second lug capable of abutting against the side wall of the first lug, and the second lug is provided with a hole aligned with the first threaded hole. The first through hole, the first lug and the second lug are connected through an anti-loosening screw passing through the first threaded hole and the first through hole to realize a movable hinge connection, and, in the lamp The rod is also provided with a second threaded hole that communicates with the first threaded hole, the axial direction of the second threaded hole is perpendicular to the axial direction of the first threaded hole, and the second threaded hole penetrates A fastening screw that can interfere with the thread of the anti-loosening screw is provided.

4. The LED lamp with a retractable light pole according to claim 3, characterized in that: the first through hole is a stepped hole, and the anti-loosening screw includes a big end and a screw rod, wherein the anti-loosening screw The head of the screw rod penetrates the small diameter end of the first through hole, the big end of the locking screw is accommodated in the large diameter end of the first through hole, and the locking screw is also sleeved with a The elastic body of the anti-loosening screw slides outward, one side of the elastic body abuts against the stepped surface of the first through hole, and the other side of the elastic body abuts against the big end of the anti-loosening screw.

5. The LED lamp with retractable light pole according to claim 4, characterized in that: the elastic body includes a flat gasket and a disk-shaped gasket, wherein one side of the flat gasket and the second The stepped surface of a through hole abuts, the small end of the disc-shaped gasket abuts against the other side of the flat washer, and the big end of the disc-shaped washer abuts against the big end of the locking screw.

6. The LED lamp with a retractable light pole according to claim 5, characterized in that: the light pole is further provided with a mounting base.