CN201866669U

CN201866669U - Upright post type LED lamp provided with height-adjustable lamp post

Info

Publication number: CN201866669U
Application number: CN2010205667574U
Authority: CN
Inventors: 金崇斌; 林万炯
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-15
Filing date: 2010-10-15
Publication date: 2011-06-15
Anticipated expiration: 2020-10-15

Abstract

An upright post type LED lamp provided with a height-adjustable lamp post includes a lamp holder, the lamp post, a mounting base and a conduction piece, and is characterized by further including a clamping sleeve, a fastening sleeve and a rotating shaft sleeve, which are arranged on the lamp post in a sleeved manner; the clamping sleeve includes a connecting sleeve and an elastic clamping head, and the elastic clamping head includes a plurality of claws which can be elastically collapsed to form a frustum; an inner conical surface is formed at the upper part of the inner wall of the fastening sleeve, and enables the claws of the elastic clamping head to be elastically collapsed, and internal screw threads are arranged at the lower part of the inner wall of the fastening sleeve; and the rotating shaft sleeve includes a first sleeve and an arresting disc, the first sleeve is sleeved outside the connecting sleeve, external screw threads capable of realizing threaded connection with the fastening sleeve are arranged on the outer wall of the first sleeve, the middle of the mounting base is sunken downwards to form an annular concave cavity, and the arresting disc is accommodated in the concave cavity. Compared with the prior art, the upright post type LED lamp has a simple structure and is convenient to mount; moreover, during the use, the lamp post can be fixed or moved freely by rotating the fastening sleeve, so that the operation is simple, the adjustment is convenient, and the LED lamp is more convenient to use for a user.

Description

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

Technical field

The utility model relates to a kind of light fixture, particularly relates 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, 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 screw togather, one client link of another opening end and fall way, 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 relevant position in the Lamp cup concave volume, screw togather transparency cover, finishing corresponding internal electrical connects, 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 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

But technical problem to be solved in the utility model is to provide a kind of pole height free adjustment and vertical rod formula LED light fixture simple to operate 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 adjustable vertical rod formula of this pole height LED light fixture, it includes lamp holder, lamp stand, mounting seat and conduction element, wherein, described lamp holder is arranged at an end of described lamp stand, described conduction element is arranged at the other end of described lamp stand, be electrically connected by the lead that is arranged within the described lamp stand between described lamp holder and the conduction element, described mounting seat offers centre bore, described lamp stand is arranged in the described centre bore, it is characterized in that: described LED light fixture also includes the cutting ferrule that is set on the described lamp stand, adapter sleeve and rotary axle box;

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

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

Described rotary axle box includes first sleeve and takes shape in the arresting disc of this first cover tube bottom, described first jacket casing is located at outside the described adapter sleeve, and, the outer wall of this first sleeve is provided with the external screw thread that can be threaded with described adapter sleeve realization, the middle part of described mounting seat has been recessed to form annular cavity downwards, and described 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, described rotary axle box also includes second sleeve that takes shape in described arresting disc bottom and can supply described fluorescent tube to pass, described second sleeve is arranged in the centre bore of described mounting seat, the bottom of described second sleeve is provided with external screw thread and is connected with nut, also be arranged with spring on described second sleeve, one end of described spring and the bottom of described mounting seat offset, and the other end of this spring and described 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 screws 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, 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 pulling force effect 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 is subjected to a downward pressure effect, because nut is fixedlyed connected with second sleeve, whole rotary axle box can be subjected to a downward pulling force effect 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 pulling force effect 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, as further preferred, described mounting seat offers C shape rotation slot in annular cavity bottom, the arresting disc bottom of described rotary axle box is provided with and can be placed in the described rotation slot and along the projection of this rotation slot rotation location.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 described 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 described mounting seat as preferably, described trim offers through hole, has the free gap between the arresting disc periphery of the hole wall of this through hole and described rotary axle box.

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

Compared with prior art, advantage of the present utility model is: lamp stand is provided with cutting ferrule, this cutting ferrule has the pawl lobe that can elasticity draws in, and cutting ferrule cooperates adapter sleeve, rotary axle box to use simultaneously, and adapter sleeve is relatively rotated after axle sleeve screws, 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 allow 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 utility model embodiment.

Fig. 2 be the utility model embodiment the light fixture perspective view two.

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

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

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

Fig. 6 is the mounting seat structural representation of the utility model embodiment.

Fig. 7 is the elastic chuck structural representation of the utility model embodiment.

Fig. 8 is the adapter sleeve structural representation of the utility model embodiment.

The specific embodiment

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

As Fig. 1～shown in Figure 8, be specific embodiment of the utility model, the light fixture of present embodiment is a kind of vertical rod formula LED lamp, this LED lamp includes lamp holder 1, hollow lamp stand 2, circular mounting seat 3 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 by 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 are by the line ball shell, the top cover that is positioned at the cableties within the line ball shell and is connected on the line ball shell is formed, and 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 by 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, 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 is along circumferentially also offering a plurality of installing holes 33 that can supply securing members such as screw or bolt to pass, for attractive in appearance, can also be connected with medallion lid 34 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, trim 34 inwalls also can be provided with internal thread, the periphery of mounting seat 3 then is provided with external screw thread, be fixedly connected in together by 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 energy 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, first sleeve 91 be plugged in again within the adapter sleeve 8 and and adapter sleeve 8 be threaded, the annular cavity 31 of arresting disc 93 sizes and mounting seat 3 is 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, one end of spring 95 and the bottom of mounting seat 3 offset, 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 be subjected to 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 to installed surface (as desktop by securing members such as screw or bolts, the head of a bed etc.) on, then trim 34 is assembled on the mounting seat 3 surface coverage of mounting seat 3 is lived, 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, mounting seat 3 is fixed with respect to the axial location of lamp stand 2, when adapter sleeve 8 does not screw with first sleeve 91 of rotary axle box 9, lamp stand 2 is with respect to cutting ferrule 7, adapter sleeve 8 and rotary axle box 9 can be up and down, the height of regulating lamp stand 2 is behind suitable position, adapter sleeve 71 parts of cutting ferrule 7 are inserted in first sleeve 91 of rotary axle box 9, again adapter sleeve 8 is sheathed on outside first sleeve 91 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, four pawl lobes 721 of elastic chuck 72 are tightly embraced lamp stand 2, make 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 is subjected to 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, when rotating lamp stand 2, arresting disc 93 can drive projection 931 and move and realize the rotation location 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 to adjust 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, described lamp holder (1) is arranged at an end of described lamp stand (2), described conduction element (4) is arranged at the other end of described lamp stand (2), be electrically connected by the lead (5) that is arranged within the described lamp stand (2) between described lamp holder (1) and the conduction element (4), described mounting seat (3) offers centre bore (32), described lamp stand (2) is arranged in the described centre bore (32), it is characterized in that: described LED light fixture also includes the cutting ferrule (7) that is set on the described lamp stand (2), adapter sleeve (8) and rotary axle box (9);

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

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

Described rotary axle box (9) includes first sleeve (91) and takes shape in the arresting disc (93) of this first sleeve (91) bottom, described first sleeve (91) is sheathed on outside the described adapter sleeve (71), and, the outer wall of this first sleeve (91) is provided with the external screw thread that can be threaded with described adapter sleeve (8) realization, the middle part of described mounting seat (3) has been recessed to form annular cavity (31) downwards, and described arresting disc (93) is placed in this annular cavity (31).

2. the adjustable vertical rod formula of pole height according to claim 1 LED light fixture, it is characterized in that: described rotary axle box (9) also includes second sleeve (92) that takes shape in described arresting disc (93) bottom and can supply described fluorescent tube to pass, described second sleeve (92) is arranged in the centre bore (32) of described mounting seat (3), the bottom of described second sleeve (92) is provided with external screw thread and is connected with nut (94), also be arranged with spring (95) on described second sleeve (92), the bottom of one end of described spring (95) and described mounting seat (3) offsets, and the other end of this spring (95) and described nut (94) offset.

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

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

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

6. according to claim 1 or the adjustable vertical rod formula of 2 or 3 described pole height LED light fixture, it is characterized in that: described lamp stand (2) also is fixed with line ball parts (6) at the other end that is provided with described conduction element (4), and described lead (5) stretches out in outside the described lamp stand (2) through described line ball parts (6).