CN101949515B

CN101949515B - Upright post type LED lamp with adjustable-height lamp post

Info

Publication number: CN101949515B
Application number: CN201010511316A
Authority: CN
Inventors: 金崇斌; 林万炯
Original assignee: Individual
Current assignee: Ningbo Self Electronics Co Ltd
Priority date: 2010-10-15
Filing date: 2010-10-15
Publication date: 2012-09-05
Anticipated expiration: 2030-10-15
Also published as: WO2012048453A1; CN101949515A

Abstract

The invention discloses an upright post type LED lamp with an adjustable-height lamp post, which comprises a lamp head, a lamp post, a mounting base and a conducting piece, and is characterized by also comprising a clamping sleeve sleeved on the lamp post, a fastening sleeve and a rotating shaft sleeve, wherein the clamping sleeve comprises a connecting sleeve and an elastic chuck which comprises a plurality of frustum-shaped claw pieces capable of collecting elastically; an internal conical surface capable of collecting the claw pieces of the elastic chuck elastically is formed on the upper part of the inner wall of the fastening sleeve, and internal threads are formed on the lower part of the inner wall of the fastening sleeve; the rotating shaft sleeve comprises a first sleeve and a stopping disc, the first sleeve is sleeved outside the connecting sleeve, the outer wall of the first sleeve is provided with external threads for connection with the fastening sleeve; the middle part of the mounting base sinks down to form an annular concave cavity; and the stopping disc is accommodated in the annular concave cavity. Compared with the prior art, the upright post type LED lamp has the advantages that: the structure is simpler and the installation is more convenient; when the upright post type LED lamp is to be used, the fastening sleeve is rotated simply to fix the lamp post or allow the lamp post to move freely; the operation is simple; the adjustment is convenient; and the use by users is more convenient.

Description

The adjustable vertical rod formula of a kind of pole height LED light fixture

Technical field

The present invention relates to a kind of light fixture, particularly relate to the adjustable vertical rod formula of a kind of pole height LED light fixture.

Background technology

In the daily life; The lamp stand length of a lot of light fixtures is uncontrollable; In actual use, sometimes for in-plant illumination or expansion illumination zone, the height that just need suitably adjust lamp stand is to obtain best illuminating effect; But the lamp stand of regular length just can't be realized such adjusting, brings some inconvenience to the user.

In order to improve the use flexibility of light fixture; Make things convenient for the adjusting of light fixture; Be that the Chinese utility model patent " Telescopic LED cup lamp lamp housing " of ZL200620022317.6 discloses a kind of like this fitting structure that can realize length adjustment just like the patent No. in the prior art; This light fixture comprises a Lamp cup concave volume, a transparency cover, the fit tube of a 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.During use; LED assembly plate is anchored on the relevant position in the Lamp cup concave volume; Screw togather transparency cover, accomplish corresponding internal electrical and connect, thereby be assembled into the LED lamp; Cooperate the position that connect to carry out the adjustment of insertion depth with fit tube as plug-in type to fall way, just can change the length of LED lamp as required.Though above-mentioned patent can realize the adjustment of LED lamp length through telescopic lamp housing,, the stretching structure of above-mentioned patent only is suitable for the cup lamp that needs are installed lamp housing; And stretching structure is through the realization that cooperatively interacts of fall way and fit tube, and 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.

Summary of the invention

Technical problem to be solved by this invention is to above-mentioned prior art present situation but a kind of pole height free adjustment and vertical rod formula LED light fixture simple to operate to be provided.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: the adjustable vertical rod formula of this pole height LED light fixture; It includes lamp holder, lamp stand, mounting seat and conduction element; Wherein, said lamp holder is arranged at an end of said lamp stand, and said conduction element is arranged at the other end of said lamp stand; Be electrically connected through the lead that is arranged within the said lamp stand between said lamp holder and the conduction element; Said mounting seat offers centre bore, and said lamp stand is arranged in the said centre bore, it is characterized in that: described LED light fixture also includes cutting ferrule, adapter sleeve and the rotary axle box that is set on the said lamp stand;

Wherein, said cutting ferrule includes adapter sleeve and the elastic chuck that takes shape in this adapter sleeve top, and said elastic chuck includes a plurality of ability elasticity and draws the pawl lobe that is frustum in;

The upper inside wall of said adapter sleeve is formed with the internal conical surface of the pawl lobe elasticity gathering that can match and make said elastic chuck with said elastic chuck, and the inwall bottom of this adapter sleeve is provided with internal thread;

Said rotary axle box includes first sleeve and the arresting disc that takes shape in this first cover tube bottom; Said first jacket casing is located at outside the said adapter sleeve; And; The outer wall of this first sleeve is provided with the external screw thread that can be threaded with said adapter sleeve realization, and the middle part of said mounting seat has been recessed to form annular cavity downwards, and said arresting disc is placed in this annular cavity.

For after pole height is fixing; Can realize the rotation of lamp stand, so that regulate the lighting position of lamp holder, as preferably; Said rotary axle box also includes second sleeve that takes shape in said arresting disc bottom and can supply said fluorescent tube to pass; Said second sleeve is arranged in the centre bore of said mounting seat, and the bottom of said second sleeve is provided with external screw thread and is connected with nut, also is arranged with spring on said second sleeve; One end of said spring and the bottom of said mounting seat offset, and the other end of this spring and said nut offset.The effect of spring is in order to realize the axial location of mounting seat on lamp stand on the one hand; After adapter sleeve is screwed with respect to first sleeve of rotary axle box; Lamp stand position vertically is just fixing; The top of mounting seat and the arresting disc of rotary axle box offset, and the bottom and the spring of mounting seat offset, and have so just guaranteed the axial location of mounting seat; Spring can also make rotary axle box have a downward tension on the other hand, when nut after tighten the bottom of second sleeve, spring is in compressive state; At this moment, under the resilient force of spring, nut receives a downward pressure effect; Because nut is fixedly connected with second sleeve, whole rotary axle box can receive a downward tension and by being pressed on the mounting seat, so; When rotating lamp stand; Between the annular cavity of the arresting disc of rotary axle box and mounting seat, can be formed with the contact under certain elastic force effect, make lamp stand freely to rotate, and under the tension of spring; Arresting disc can guarantee again and the contacting of mounting seat all the time, makes lamp stand be difficult for play up and down.

In order to realize lamp holder rotation within the specific limits; Preferred as further; Said mounting seat offers C shape rotation slot in annular cavity bottom, the arresting disc bottom of said rotary axle box is provided with and can be placed in the said rotation slot and along the projection of this rotation slot positioning of rotating.So projection and rotation slot match, make the slewing area of lamp holder within the C of rotation slot shape angular range, realize the spacing of the lamp holder anglec of rotation.

For the ease of installing,, can circumferentially offer a plurality of installing holes on the edge, surface of said mounting seat as preferably.

In order to make outward appearance more attractive in appearance; Guarantee the normal rotation of lamp stand simultaneously,, also be connected with a trim on the said mounting seat as preferably; Said trim offers through hole, has the free gap between the arresting disc periphery of the hole wall of this through hole and said rotary axle box.

Said lamp stand also is fixed with the line ball parts at the other end that is provided with said conduction element, and said lead stretches out in outside the said lamp stand through said line ball parts.The line ball parts can be fastening with the lead that passes from lamp stand, improves the intensity that lead receives tractive, is not easy to be torn after making lead drawn

Compared with prior art, the invention has the advantages that: lamp stand is provided with cutting ferrule, and this cutting ferrule has the pawl lobe that can elasticity draws in; Simultaneously cutting ferrule cooperates adapter sleeve, rotary axle box to use, and adapter sleeve is relatively rotated after axle sleeve screws, and the pawl lobe of cutting ferrule is just tightly embraced lamp stand by gathering; Make that lamp stand is difficult for moving up and down, play the fixedly effect of pole height, after adapter sleeve unclamps; Lamp stand can be movable with respect to cutting ferrule, can realize the free adjustment of pole height; Because cutting ferrule, adapter sleeve and rotary axle box is simple in structure, easy for installation, and during use, as long as the turn adapter sleeve, just fixing lamp stand or let lamp stand move freely is simple to operate, easy to adjust, more user-friendly.

Description of drawings

Fig. 1 is one of light fixture perspective view of the embodiment of the invention.

Fig. 2 be the embodiment of the invention the light fixture perspective view two.

Fig. 3 is the partial sectional view (lamp stand adjusting device) of the embodiment of the invention.

Fig. 4 is the sectional perspective exploded view (lamp stand adjusting device) of the embodiment of the invention.

Fig. 5 is the rotary axle box structural representation of the embodiment of the invention.

Fig. 6 is the mounting seat structural representation of the embodiment of the invention.

Fig. 7 is the elastic chuck structural representation of the embodiment of the invention.

Fig. 8 is the adapter sleeve structural representation of the embodiment of the invention.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

Like Fig. 1～shown in Figure 8; Be specific embodiment of the present invention; The light fixture of present embodiment is a kind of vertical rod formula LED lamp, and this LED lamp includes the mounting seat 3 of lamp holder 1, hollow lamp stand 2, circle and can patch the conduction element 4 that is connected with supply socket, wherein; Lamp holder 1 can be connected an end of lamp stand 2 up and down rotationally; Conduction element 4 is arranged at the other end of lamp stand 2, be electrically connected through the lead 5 that is arranged within the lamp stand 2 between illuminator in the lamp holder 1 and the conduction element 4, and lamp stand 2 also is fixed with line ball parts 6 at the other end that is provided with conduction element 4; Line ball parts 6 by the line ball shell, be positioned at the cableties within the line ball shell and the top cover that is connected on the line ball shell is formed, lead 5 stretches out in outside the lamp stand 2 after line ball parts 6 compress gathering.In the syndeton of above-mentioned vertical rod formula LED lamp, the internal structure of lamp holder 1 is a prior art, is not the main inventive point of present embodiment, does not do at this and gives unnecessary details.

The main inventive point of present embodiment is that after the LED lamp was fixedly attached on the installed surface through mounting seat 3, the height of lamp stand 2 was can be freely regulated.

Wherein, the middle part of mounting seat 3 has been recessed to form annular cavity 31 downwards, and mounting seat 3 offers centre bore 32 in the center of annular cavity 31; Lamp stand 2 is arranged in the centre bore 32; The surface of mounting seat 3 for attractive in appearance, can also be connected with medallion lid 34 along circumferentially also offering a plurality of installing holes 33 that can supply securing members such as screw or bolt to pass on the mounting seat 3; Trim 34 can directly be placed on the mounting seat 3; Trim 34 is that to cover on mounting seat 3 lip-deep, and trim 34 inwalls also can be provided with internal thread, and the periphery of mounting seat 3 then is provided with external screw thread; Be fixedly connected in together through screw thread between trim 34 and the mounting seat 3, the top of this trim 34 also offers through hole 341;

Also be arranged with cutting ferrule 7, adapter sleeve 8 and rotary axle box 9 on the lamp stand 2; Wherein, cutting ferrule 7 includes integrated adapter sleeve 71 and elastic chuck 72, and elastic chuck 72 is positioned at the top of adapter sleeve 71; And elastic chuck 72 draws the pawl lobe 721 that is frustum in by four ability elasticity and forms; Adapter sleeve 8 is an axle sleeve structure; The upper inside wall of this adapter sleeve 8 is formed with the internal conical surface 81 of the pawl lobe 721 elasticity gathering that can match and make elastic chuck 72 with elastic chuck 72; The inwall bottom of adapter sleeve 8 is provided with internal thread 82, is formed with the technology groove 83 of screw thread processing at the middle part of adapter sleeve 8 inwalls; Rotary axle box 9 includes first sleeve 91, second sleeve 92 and arresting disc 93, and arresting disc 93 is between first sleeve 91 and second sleeve 92, and first sleeve 91, second sleeve 92 and arresting disc 93 are one-body molded;

Wherein, The outer wall of first sleeve 91 is provided with external screw thread; Adapter sleeve 71 can be plugged within first sleeve 91, and first sleeve 91 is plugged in again within the adapter sleeve 8 and is threaded with adapter sleeve 8, and arresting disc 93 annular cavities 31 big or small and mounting seat 3 are suitable; And have movable gap between through hole 341 inwalls of the outer circumference surface of arresting disc 93 and trim 34, the through hole 341 that arresting disc 93 passes trim 34 just in time can be placed within the annular cavity 31; The bottom of second sleeve 92 is provided with external screw thread and is connected with nut 94; On second sleeve 92, also be arranged with spring 95, an end of spring 95 and the bottom of mounting seat 3 offset, and the other end of spring 95 then offsets with nut 94; When nut 94 is tightened; Spring 95 is in compressive state, and 95 pairs of nuts 94 of spring have a downward reaction force, and then makes whole rotary axle box 9 receive a downward pulling force; Mounting seat 3 also offers C shape rotation slot 311 in annular cavity 31 bottoms, and rotary axle box 9 is provided with a projection 931 in the bottom of arresting disc 93, and this projection 931 can be placed in the rotation slot 311 and along these rotation slot 311 slippages.

During use, can mounting seat 3 be fixed on the installed surface (like desktop, the head of a bed etc.), then trim 34 be assembled on the mounting seat 3 surface coverage of mounting seat 3 is lived through securing members such as screw or bolts; The annular cavity 31 and arresting disc 93 bottoms of mounting seat 3 upper surfaces offset; The lower surface of mounting seat 3 and spring 95 offset, and mounting seat 3 is fixed with respect to the axial location of lamp stand 2, when adapter sleeve 8 is not screwed with first sleeve 91 of rotary axle box 9; Lamp stand 2 can be up and down with respect to cutting ferrule 7, adapter sleeve 8 and rotary axle box 9; The height of regulating lamp stand 2 inserts adapter sleeve 71 parts of cutting ferrule 7 in first sleeve 91 of rotary axle box 9 behind suitable position, is sheathed on adapter sleeve 8 outside first sleeve 91 again and screws; At this moment; The elastic chuck 72 of cutting ferrule 7 tightens up in the internal conical surface 81 of adapter sleeve 8, and four pawl lobes 721 of elastic chuck 72 are tightly embraced lamp stand 2, makes lamp stand 2 axial relative fixed and can not move up and down;

When needs are regulated the height of lamp stand 2; As long as adapter sleeve 8 is outwarded winding, at this moment, because elastic chuck 72 no longer receives the squeezing action of the internal conical surface 81 of adapter sleeve 8; The pawl lobe 721 of elastic chuck 72 unclamps lamp stand 2, and lamp stand 2 can move by easy on and off with respect to cutting ferrule 7, adapter sleeve 8.

The lamp stand 2 of present embodiment is after highly fixing; The projection 931 of arresting disc 93 is placed in the C shape rotation slot 311 of annular cavity 31, and when rotating lamp stand 2, arresting disc 93 can drive projection 931 and move and realize positioning of rotating along the rotation slot 311 of C shape; Therefore; The lamp stand 2 of present embodiment can free adjustment except highly, can also realize the plane rotation in highly fixing back, obtain suitable illumination direction with the adjustment lamp holder.

Claims

1. the adjustable vertical rod formula of pole height LED light fixture; It includes lamp holder (1), lamp stand (2), mounting seat (3) and conduction element (4); Wherein, said lamp holder (1) is arranged at an end of said lamp stand (2), and said conduction element (4) is arranged at the other end of said lamp stand (2); Be electrically connected through the lead (5) that is arranged within the said lamp stand (2) between said lamp holder (1) and the conduction element (4); Said mounting seat (3) offers centre bore (32), and said lamp stand (2) is arranged in the said centre bore (32), it is characterized in that: described LED light fixture also includes cutting ferrule (7), adapter sleeve (8) and the rotary axle box (9) that is set on the said lamp stand (2);

Wherein, said cutting ferrule (7) includes adapter sleeve (71) and takes shape in the elastic chuck (72) at this adapter sleeve (71) top, and said elastic chuck (72) includes a plurality of ability elasticity and draws the pawl lobe (721) that is frustum in;

The upper inside wall of said adapter sleeve (8) is formed with the internal conical surface (81) of pawl lobe (721) the elasticity gathering that can match and make said elastic chuck (72) with said elastic chuck (72), and the inwall bottom of this adapter sleeve (8) is provided with internal thread (82);

Said rotary axle box (9) includes first sleeve (91) and takes shape in the arresting disc (93) of this first sleeve (91) bottom; Said first sleeve (91) is sheathed on outside the said adapter sleeve (71); And; The outer wall of this first sleeve (91) is provided with the external screw thread that can be threaded with said adapter sleeve (8) realization, and the middle part of said mounting seat (3) has been recessed to form annular cavity (31) downwards, and said arresting disc (93) is placed in this annular cavity (31); Said rotary axle box (9) also includes second sleeve (92) that takes shape in said arresting disc (93) bottom and can supply said fluorescent tube to pass; Said second sleeve (92) is arranged in the centre bore (32) of said mounting seat (3); The bottom of said second sleeve (92) is provided with external screw thread and is connected with nut (94); Also be arranged with spring (95) on said second sleeve (92); The bottom of one end of said spring (95) and said mounting seat (3) offsets, and the other end of this spring (95) and said nut (94) offset.

2. the adjustable vertical rod formula of pole height according to claim 1 LED light fixture; It is characterized in that: said mounting seat (3) offers C shape rotation slot (311) in annular cavity (31) bottom, and arresting disc (93) bottom of said rotary axle box (9) is provided with and can be placed in the said rotation slot (311) and along the projection (931) of this rotation slot (311) positioning of rotating.

3. the adjustable vertical rod formula of pole height according to claim 1 and 2 LED light fixture is characterized in that: the surface of said mounting seat (3) is along circumferentially offering installing hole (33).

4. the adjustable vertical rod formula of pole height according to claim 3 LED light fixture; It is characterized in that: also be connected with a trim (34) on the said mounting seat (3); Said trim (34) offers through hole (341), has the free gap between arresting disc (93) periphery of hole wall of this through hole (341) and said rotary axle box.

5. the adjustable vertical rod formula of pole height according to claim 1 and 2 LED light fixture; It is characterized in that: said lamp stand (2) also is fixed with line ball parts (6) at the other end that is provided with said conduction element (4), and said lead (5) stretches out in outside the said lamp stand (2) through said line ball parts (6).