CN202177006U

CN202177006U - LED (Light-Emitting Diode) lamp with lamp post with adjustable height

Info

Publication number: CN202177006U
Application number: CN2011202823344U
Authority: CN
Inventors: 金崇斌; 李伟波; 林万炯
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-04-29
Filing date: 2011-07-30
Publication date: 2012-03-28
Anticipated expiration: 2021-07-30

Abstract

The utility model discloses a LED (Light-Emitting Diode) lamp with a lamp post with adjustable height. The LED lamp comprises a lamp post and a lamp body and is characterized in that an installing component is arranged on the lamp rod; the lamp rod comprises a fixing plate, a clamping block seat and a clamping block cover; concave cavities are arranged on two opposite inner side walls of a square hole of the clamping block seat; an elastic device is arranged in the concave cavity; the fixing plate is sleeved out of the clamping block seat and is provided with a through hole; the through hole is provided with a first step surface along the peripheral direction; the clamping block seat is axially limited on the first step surface of the fixing plate, is accommodated into the clamping block cover and is fixedly connected with the clamping block cover; and the top of the clamp block cover pushes against the bottom of the fixing plate. When the lamp post is adjusted, the lamp post is only pulled upward or pressed downward to move, thereby being very simple and convenient to operate; the clamping block is in plane contact with the lamp post, so that the contact area is large, and the contact reliability is ensured; and moreover, the spring arranged in the clamping block ensures that the lamp post can be reliably positioned relative to the installing component when the lamp post does not move.

Description

The adjustable LED lamp of pole height

Technical field

The utility model relates to a kind of light fixture, the adjustable LED lamp of particularly a kind of pole height.

Background technology

Usually, how the adjusting of light fixture height realizes that through regulating lamp stand length this just need be designed to Collapsible structure with lamp stand; And for the fixing light fixture of some lamp stand length; In case after installing and fixing, just can't adjust pole height again, bring some inconvenience to the user.

For the height that can realize the regular length lamp stand is regulated; Improve the use flexibility of light fixture; The applicant is a kind of light fixture the patent of invention " the adjustable vertical rod formula of a kind of pole height LED light fixture " of CN201010511316.9 discloses first to file like application number; Include lamp holder, lamp stand, mounting seat and conduction element, it is characterized in that: also include the cutting ferrule, adapter sleeve and the rotary axle box that are set on the lamp stand; Cutting ferrule includes adapter sleeve and elastic chuck, and elastic chuck includes a plurality of ability elasticity and draws the pawl lobe that is frustum in; The upper inside wall of adapter sleeve is formed with the internal conical surface of the pawl lobe elasticity gathering that makes elastic chuck, and the inwall bottom of adapter sleeve is provided with internal thread; Rotary axle box includes first sleeve and arresting disc; The outer wall that first jacket casing is located at first sleeve outside the adapter sleeve is provided with the external screw thread that can be threaded with the adapter sleeve realization; The middle part of mounting seat has been recessed to form annular cavity downwards, and arresting disc is placed in this annular cavity.

Lamp stand in the above-mentioned patent can realize with respect to the moving up and down of mounting seat through the fit structure of cutting ferrule, adapter sleeve and rotary axle box, thereby realizes the adjusting of pole height, still; In the above-mentioned patent; The adjustment of each pole height must will be turned on adapter sleeve earlier, otherwise lamp stand can't move freely, under the less situation of installing space; Sometimes finger can't extend into the position of adapter sleeve, at this moment just can't carry out the adjusting of pole height; In addition, the pole height adjusting device of above-mentioned patent only is applicable to the lamp stand of circular cross-section, and is just inapplicable for the special construction lamp stand that the cross section is square.

The utility model content

The utility model technical problem to be solved is to provide a kind of to be particularly suitable for the square cross section lamp stand and to assemble the adjustable LED lamp of pole height simple, that adjusting is convenient to 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 LED lamp of a kind of pole height; Include lamp stand that cross section is square and be installed in the lamp body on this lamp stand; It is characterized in that: also be provided with installation component on the said lamp stand, said installation component includes fixed head, clamps block and clamp lid; Wherein, said clamping block offer can with the said lamp stand square hole of inserting mutually, the square hole of this clamping block is wherein two relative and offer cavity respectively on the madial wall established, is provided with the elastic device that can be all the time be tight against mutually with the sidewall of said lamp stand in the said cavity; Said fixed head is sheathed on outside the said clamping block; The center of said fixed head has through hole; This through hole is along circumferentially being provided with the first step face; Said clamping block axial limiting is on the first step face of said fixed head, and said clamping block is placed within the said clamp lid and is fixedly linked, and the top of said clamp lid and the bottom of said fixed head offset.

As preferably, described elastic device can adopt following structure: described elastic device includes spring and clamp, and said clamp is arranged in the said cavity; One side of said clamp and the sidewall of said lamp stand offset; The opposite side of this clamp is formed with the chamber of indent, and the centre of this chamber has projection, and said spring housing is located on the said projection; One end of this spring and the bottom of said chamber offset, and the other end of this spring and the bottom of said cavity offset.So spring and clamp form elastic damping device, because the effect of spring, lamp stand can slide with respect to installation component, can prevent again to drop from installation component, uses and regulates all very convenient.

Assembling for ease; Be convenient to installation component is fixedly connected on the installed surface; As preferably, said installation component also includes trim and bottom, and said trim is provided with internal thread; The outer peripheral face of said fixed head is provided with the second step face, said trim be sheathed on outside the said fixed head and axial limiting on the second step face of said fixed head; Said bottom is sheathed on outside the said clamp lid, offers the installing hole that is used to the face of being connected and installed on this bottom, and the periphery of this bottom is provided with the external screw thread that can link to each other with said trim internal thread.

In order to improve connection reliability and compactness, preferred as further, the bottom surface of said bottom also offers annular groove, is provided with elastic component in the said annular groove.

In order to prevent that lamp stand from pulling out fully from installation component, as preferably, the bottom of lamp stand also is provided with the spacing position-stopping plate that offsets in bottom that can cover with clamp.So, in the process that lamp stand upwards stretches, when position-stopping plate offsets with the clamp lid, lamp stand realization axial limiting.

The adjustable LED lamp of a kind of pole height; Include lamp stand that cross section is square and be installed in the lamp body on this lamp stand; It is characterized in that: also be provided with installation component on the said lamp stand; For further simplified structure, preferred as another kind, this installation component also can adopt following structure to realize: said installation component includes catch and clamps block; Wherein, Said clamping block offer can with the said lamp stand square hole of inserting mutually; The square hole of this clamping block wherein offers cavity respectively on two madial walls relatively established; Be provided with the elastic device that can be all the time be tight against mutually with the sidewall of said lamp stand in the said cavity, said catch is arranged at the bottom of said cavity.

Described elastic device includes spring and clamp; Said clamp is arranged in the said cavity, and a side of said clamp and the sidewall of said lamp stand offset, and the opposite side of this clamp is formed with the chamber of indent; The centre of this chamber has projection; Said spring housing is located on the said projection, and an end of this spring and the bottom of said chamber offset, and the other end of this spring and the bottom of said cavity offset.So spring and clamp form elastic damping device, because the effect of spring, lamp stand can slide with respect to installation component, can prevent again to drop from installation component, uses and regulates all very convenient.

Catch can directly be fixedly connected on the bottom that clamps block through screw or bolt; Perhaps be bonded in the bottom that clamps block, installation and removal for ease, and simplify mounting structure; As preferably; The lateral wall of said clamping block offers along circumferential arrangement and the draw-in groove that supplies said catch to insert in a side of corresponding each said cavity, and said catch one end is circular arc and is inserted in this draw-in groove, and the upper surface of said catch also is provided with the salient point that can be tight against mutually with the bottom of said clamp.So, in elastic device is installed to the cavity that clamps block after, catch is inserted draw-in groove; Can prevent that elastic device from dropping from cavity, and, because catch is provided with salient point; Can be tight against mutually with clamp after making catch insert draw-in groove, guarantee catch and connection reliability.

For the rotation that realizes lamp stand is regulated; As preferably, said installation component also includes mount pad, and said mount pad is sheathed on outside the said clamping block rotationally; Annular top cover is formed on the top of this mount pad; Offer the installing hole of the face of being connected and installed on the said annular top cover, be formed with step surface in the annular on the inner hole wall of said annular top cover, the bottom of this mount pad forms and the integrated sleeve of said annular top cover; The top of said clamping block radially outwards forms and can offset with step surface in the said annular and realize the annular boss of the downward axial limiting of this clamping block; The bottom of said clamping block is provided with at least one and can offsets with the bottom of said mount pad and realize that this clamping block upward axis is to spacing elasticity card base.So lamp stand can be realized moving vertically with respect to clamping block, under the elastic force effect of elastic device, lamp stand can drive again and clamp block and realize the rotation with respect to mount pad together.

In order to prevent lamp stand rocking with respect to mount pad; And improve the feel that lamp stand rotates; Preferred as further, the lateral wall of said clamping block is provided with the elastic collar that is connected with said clamping block close-fitting along circumferentially also offering annular groove in the said annular groove.So; When lamp stand rotates; The lateral wall that clamps block is not the madial wall contact friction of direct and mount pad, but realizes rotating contact through elastic collar, and one side can reduce contact friction force; Improve and rotate feel, but also can guarantee to clamp concentricity and the rotary balance property between block and the mount pad.

In order to improve aesthetic property, and convenient the installation connect, as preferably; Said installation component also includes trim; Said trim is withheld and is connected on the said annular top cover, and the external diameter of the internal diameter size of this trim and the annular top cover of said mount pad is suitable.

The adjusting of lamp holder light angle for ease; As preferably; Said lamp holder is movably articulated on the said lamp stand, and the hinged end of said lamp stand is formed with first lug, offers first screwed hole on said first lug; Correspondingly; The hinged end of said lamp body is formed with second lug that can offset with the sidewall of said first lug, offers first through hole that aligns with said first screwed hole on said second lug, is movably hinged with backing-up screw realization within first through hole and links to each other through being arranged in said first screwed hole between said first lug and second lug; And; On said lamp stand, also offer second screwed hole that connects with said first screwed hole, the axial direction of the axis direction of said second screwed hole and said first screwed hole is perpendicular, is equipped with the inconsistent trip bolt of screw thread of ability and said backing-up screw in this second screwed hole.So; Trip bolt can further increase the installation reliability of backing-up screw; Prevent backing-up screw at lamp body with respect to lamp stand loosening in the rotation process and deviating from back and forth, and then improved the reliability of positioning after lamp holder rotates, prolonged the service life of light fixture hinged place.

In order to improve the connection reliability of jam nut, prevent that lamp body from rotating back and forth that to make in the process that backing-up screw takes place loosening, as preferably; Said first through hole is a shoulder hole, and said backing-up screw includes stub end and screw rod, wherein; The screw head of said backing-up screw penetrates the miner diameter end of said first through hole; The stub end of this backing-up screw is placed in the bigger diameter end of said first through hole, and, also be arranged with the elastomer that prevents that this backing-up screw from outwards sliding on the said backing-up screw; The cascaded surface of a said elastomeric side and said first through hole offsets, and the stub end of this elastomeric opposite side and said backing-up screw offsets.

In order to guarantee the effect of elastic compression, said elastomer can be an independent elastomeric element, also can be the combination of a plurality of elastomeric elements; Preferred as further; Said elastomer includes flat shim and disk gasket, and wherein, a side of said flat shim and the cascaded surface of said first through hole offset; The little head end of said disk gasket offsets with the opposite side of this flat shim, and the stub end of said disk gasket and the stub end of said backing-up screw offset.

Compared with prior art, the advantage of the utility model is: lamp stand can carry out moving up and down of position height with respect to installation component, thereby has realized the free adjustment of the position height of non-stretching structure lamp stand, and is convenient for users to use; Secondly, during adjusting, only need upwards draw lamp stand or just can realize moving of lamp stand to pressing down lamp stand, operation is very simple and convenient; In addition; The installation component of the utility model is particularly suitable for the lamp stand that the cross section is square; It between clamp and the lamp stand plane contact; Not only contact area is big, and has guaranteed that the reliability of contact, the spring that is provided with in the clamp have guaranteed that then lamp stand can reliably locate with respect to installation component when not moving.

Description of drawings

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

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

Fig. 3 is the installation component of the utility model embodiment one and the cutaway view of lamp stand assembly structure.

Fig. 4 is the lamp body of the utility model embodiment one and the cutaway view of lamp stand syndeton.

Fig. 5 is the installation component three-dimensional exploded view of the utility model embodiment two.

Fig. 6 is the sectional arrangement drawing of the installation component of the utility model embodiment two.

Fig. 7 is the installation component assembled front view of the utility model embodiment two.

The specific embodiment

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

Embodiment one, like Fig. 1～shown in Figure 4:

The LED lamp of present embodiment includes lamp stand 1, lamp body 2 and lamp holder 3, wherein, the fixing vertical rod of non-telescoping and length that lamp stand 1 adopts, and the cross section of lamp stand 1 is square, and lamp holder 3 is installed on the lamp body 2, is provided with led chip in the lamp holder 3.

In order to realize the free adjustment of lamp stand 1 position height, also be provided with the installation component that can move with respect to this lamp stand 1 on the lamp stand 1 of present embodiment, this installation component includes fixed head 7, clamps block 8 and clamp lid 86; Wherein, clamp block 8 offer can with lamp stand 1 square hole 81 of inserting mutually, wherein two relative and offer a cavity 82 respectively on the madial wall established in the square hole 81 of this clamping block 8; The bottom of each cavity 82 is uncovered, and, be provided with spring 83 and clamp 84 in each cavity 82; During installation; Spring 83 is packed into from the bottom open-mouth of cavity 82 with clamp 84, and a side of clamp 84 is and the corresponding plane of sidewall of lamp stand 1 that the opposite side of clamp 84 is formed with and clamps the chamber 841 of the cavity 82 corresponding indents of block 8; And; Form projection 842 in the middle of the chamber 841, spring 83 is sheathed on the projection 842, and an end of spring 83 and the inwall of cavity 82 offset; The bottom of the other end of spring 83 and chamber 841 offsets, and the elastic force that spring 83 produces can guarantee that plane one side of clamp 84 can be tight against with the sidewall of lamp stand 1 all the time mutually;

Clamp block 8 and be placed within the clamp lid 86, and, be fixedly linked through screw between clamping block 8 and the clamp lid 86; The top and the fixed head 7 of clamp lid 86 offset; At this, clamp lid 86 can play the effect of protection clamp 84 and spring 83, prevents that clamp 84 and spring 83 from dropping out; On the other hand; Owing to after being fixedly connected between clamp lid 86 and the clamping block 8, can play the effect that grips plate 7, make fixed head 7, clamping block 8 and clamp cover 86 threes and be connected to one;

Fixed head 7 is sheathed on and clamps outside the block 8; The center of fixed head 7 offers through hole 73; This through hole 73 is along circumferentially being provided with first step face 71, and the top that clamps block 8 is along the flange that circumferentially has evagination, and the flanged shaft that clamps block 8 is to being limited on the first step face 71.

For ease the installation component assembling is connected on the installed surface; Installation component also includes trim 5 and bottom 6; Trim 5 is sheathed on outside the fixed head 7, and the periphery wall of fixed head 7 is provided with second step face 72, and the inner top surface axial limiting of trim 5 is on second step face 72; And trim 5 also is provided with internal thread;

Bottom 6 is set in outside the clamp lid 86; Also offer the installing hole 61 that can supply screw to pass on the bottom 6; The periphery of bottom 6 is provided with the external screw thread that can link to each other with trim 5 internal threads; The inner bottom surface of bottom 6 offers annular groove 62, is provided with the elastic component 9 of the usefulness that is tightly connected in the annular groove 62, and the elastic component 9 of present embodiment is a rubber ring.

During installation; The bottom 6 usefulness screws that will have rubber ring earlier are fixed on the installed surface; Then the fixed head that is connected to one 7, clamp lid 86 and clamping block 8 are placed on the bottom 6 together, tighten with trim 5 and bottom 6 at last, accomplish the assembling of installation component.

Pull out fully in installation component in order to prevent lamp stand 1; Also be provided with one in the bottom of lamp stand 1 and can cover the position-stopping plate 13 that 86 bottom offsets with clamp; When position-stopping plate 13 propped up the bottom of clamp lid 86, at this moment, lamp stand 1 can't continue upwards to pull out with respect to installation component; Thereby realize the axial limiting of lamp stand 1, prevent that lamp stand 1 from pulling out fully from installation component with respect to installation component.

In order to be convenient to the adjusting of light angle; Between the lamp body 2 of present embodiment and the lamp stand 1 for being movably hinged; The hinged end of lamp stand 1 is formed with two first lugs 11 that are provided with at interval; Offer first screwed hole 111 on each first lug 11, correspondingly, the hinged end of lamp body 2 also is formed with the second corresponding hinged respectively lug 21 of first lug 11 on two abilities and the lamp stand 1; Offer first through hole 211 that aligns with the first corresponding screwed hole 111 on second lug 21, be movably hinged with backing-up screw 4 realizations within first through hole 211 and link to each other through being arranged in first screwed hole 111 between every group of corresponding first lug 11 that links to each other and second lug 21.

In order to prevent vertically loosening of backing-up screw 4 in the use; Also offer second screwed hole 12 that connects with first screwed hole 111 in the front of lamp stand 1; The axial direction of the axis direction of this second screwed hole 12 and first screwed hole 111 is perpendicular; Be equipped with the inconsistent trip bolt of screw thread of ability and backing-up screw 4 in second screwed hole 12, referring to Fig. 4.

In order further to improve the connection reliability of backing-up screw 4, first through hole 211 is designed to shoulder hole, and backing-up screw 4 includes stub end and screw rod; Wherein, the screw head of backing-up screw 4 penetrates the miner diameter end of screwed hole 111, and the stub end of backing-up screw 4 is placed in the bigger diameter end of first through hole 211; And, also being arranged with the elastomer that prevents that this backing-up screw 4 from outwards sliding on the backing-up screw 4, elastomer preferably adopts the combination of flat shim 41 and disk gasket 42; One side of flat shim 41 and the cascaded surface of first through hole 211 offset; The little head end of disk gasket 42 offsets with the opposite side of this flat shim 41, and the stub end of the stub end of disk gasket 42 and backing-up screw 4 offsets, when screwing backing-up screw 4; Disk gasket 42 is strutted and is produced an inside pretension, prevents that better backing-up screw 4 is loosening.

The layout of lead for ease, lamp stand 1 also offers axis hole 14 vertically, and the lead in the lamp holder 3 can penetrate into the axis hole 14 from the gap 15 between two first lugs 111 of lamp stand 1; For fear of pulling apart lead, also be provided with line ball parts 16 in the bottom of lamp stand 1, penetrate the winding that axis hole 14 interior leads pass through line ball parts 16 from lamp holder 3, can realize the fixing of lead effectively.

Embodiment two, shown in Fig. 5～7:

The same lamp stand 1, lamp body 2 and the lamp holder 3 of also including of the LED lamp of present embodiment with embodiment; Lamp stand 1 is provided with installation component; Wherein the lamp body 2 of present embodiment, lamp holder 3 and syndeton between the two are identical with the structure of embodiment one, do not give unnecessary details at this.

Present embodiment two and embodiment one difference are the structure of installation component, and the installation component of present embodiment includes trim 5 ', mount pad 6 ', catch 7 ' and clamps block 8 ';

Wherein, Clamp block 8 ' and be tubular, this clampings block 8 ' offer vertically can with lamp stand 1 square hole 81 ' of inserting mutually, clamping block 8 ' is wherein two relative and offer cavity 82 ' respectively on the madial wall established square hole 81 '; The bottom of cavity 82 ' is uncovered; Spring 83 ' and clamp 84 ' are installed in the cavity 82 ', and a side of clamp 84 ' can offset with the sidewall of lamp stand 1, and the opposite side of this clamp 84 ' is formed with the chamber 841 ' of indent; The centre of chamber 841 ' has projection 842 '; Spring 83 ' is set on the projection 842 ', and an end of this spring 83 ' and the bottom of chamber 841 ' offset, and the other end of this spring 83 ' and the bottom of cavity 82 ' offset;

Clamp block 8 ' and respectively offer arc-shaped slot 85 ' along circumferential arrangement at the lateral wall of corresponding each cavity 82 ' one side; Can plug fixedly catch 7 ' in the arc-shaped slot 85 '; The suitable arc-shaped structure of radian of formation of catch 7 ' one end and arc-shaped slot 85 '; And the upper surface of catch 7 ' also is provided with at least one salient point 71 ';

During installation; Earlier with spring 83 ' and cavity 82 ' bottom uncovered put into this cavity 82 ' of clamp 84 ' from clamping block 8 '; Then catch 7 ' is inserted respectively in the corresponding draw-in groove 85 ', just in time be positioned at the bottom of clamp 84 ' behind catch 7 ' the insertion draw-in groove 85 ', prevent that spring 83 ' and clamp 84 ' from dropping out from cavity 82 ' bottom; And; The salient point 71 ' of catch 7 ' can be tight against with the bottom of clamp 84 ' mutually, guarantees the reliability of positioning of clamp 84 ' in cavity 82 ', prevents clamp 84 ' rocking in cavity 82 '.

The mount pad 6 ' of present embodiment is sheathed on rotationally and clamps outside the block 8 '; This mount pad 6 ' integral body is tubular; Annular top cover 61 ' is formed on the top of mount pad 6 ', and annular top cover 61 ' plays the effect of mounting cover, and its upper edge circumference offers the installing hole 611 ' of the face of being connected and installed; Also be formed with the interior step surface 612 ' of annular on the inner hole wall of annular top cover 61 ', the bottom of this mount pad 6 ' is formed with and annular top cover 61 ' integrated sleeve 62 '; The top that clamps block 8 ' radially outwards forms annular boss 86 ', and the bottom that clamps block 8 ' then is provided with two elasticity card bases 87 '; During installation; Clamp block 8 ' and insert from top to down in the mount pad 6 ', elasticity card base 87 ' is squeezed and tightens up in mount pad 6 ', when step surface 612 ' offsets in annular boss that clamps block 8 ' top 86 ' and the annular; Clamp block 8 ' and realize downward axial limiting; At this moment, two elasticity card bases 87 ' that clamp block 8 ' stretch out in outside the mount pad 6 ' and with mount pad 6 ' bottom and offset, and clamp block 8 ' and realize axial limiting upwards.

So; Lamp stand 1 can be realized moving up and down vertically with respect to clamping block 8 '; And; Under the effect of spring 83 ' and clamp 84 ', lamp stand 1 again can with clamp block 8 ' and be rotated with respect to mount pad 6 ' together, thereby realized the dual regulation of adjusting and rotation direction highly up and down of lamp stand.Because the mount pad 6 ' of present embodiment has adopted telescoping structure; Can the clamping block 8 ' integral body that be built-in with spring 83 ', clamp 84 ' and catch 7 ' be packed in the mount pad 6 '; Make mount pad 6 ' and clamping block 8 ' assembled in advance to become one structure; When the user in use; As long as lamp stand is directly inserted in the square hole 81 ' that is contained in the clamping block 8 ' in the mount pad 6 ', then mount pad 6 ' is fixed on promptly to accomplish on the suitable installed surface and installs, installation process is convenient simple; If need to change lamp holder or maintenance lamp body, then can directly lamp stand be extracted in the square hole 81 ' that clamps block 8 ', need not to remove and install assembly, easy and simple to handle laborsaving.

In order to improve the reliability of rotation; And strengthen the feel of rotating, the lateral wall that clamps block 8 ' offers at least one annular groove 88 ' along circumferential also compartment of terrain, is provided with elastic collar 9 ' in the annular groove 88 '; This elastic collar 9 ' is connected for close-fitting with clamping between the block 8 '; When lamp stand drive clamping block 8 ' rotates together, contact through elastic collar 9 ' between clamping block 8 ' and the mount pad 6 ', can effectively prevent to clamp block 8 ' rocking in mount pad 6 '; And, can have and rotate feel preferably guaranteeing in relative rotation simultaneously.

The trim 5 ' of present embodiment has the internal diameter size suitable with the external diameter of the annular top cover 61 ' of mount pad 6 ', and convenient for installation and removal, trim 5 ' is connected on the annular top cover 61 ' for directly withholding.

Claims

1. adjustable LED lamp of pole height; Include the lamp stand (1) that cross section is square and be installed in the lamp body (2) on this lamp stand (1); It is characterized in that: said lamp stand also is provided with installation component on (1), and said installation component includes fixed head (7), clamps block (8) and clamp lid (86);

Wherein, Said clamping block (8) offer can with said lamp stand (1) square hole of inserting (81) mutually; The square hole (81) of this clamping block (8) wherein offers cavity (82) respectively on two madial walls relatively established, is provided with the elastic device that can be all the time be tight against mutually with the sidewall of said lamp stand (1) in the said cavity (82);

Said fixed head (7) is sheathed on outside the said clamping block (8); The center of said fixed head (7) has through hole (73); This through hole (73) is along circumferentially being provided with first step face (71); Said clamping block (8) axial limiting is on the first step face (71) of said fixed head (7), and said clamping block (8) is placed within the said clamp lid (86) and is fixedly linked, and the top of said clamp lid (86) and the bottom of said fixed head (7) offset.

2. the adjustable LED lamp of pole height according to claim 1; It is characterized in that: described elastic device includes spring (83) and clamp (84); Said clamp (84) is arranged in the said cavity (82), and the sidewall of a side of said clamp (84) and said lamp stand (1) offsets, and the opposite side of this clamp (84) is formed with the chamber (841) of indent; The centre of this chamber (841) has projection (842); Said spring (83) is set on the said projection (842), and the bottom of end of this spring (83) and said chamber (841) offsets, and the bottom of the other end of this spring (83) and said cavity (82) offsets.

3. the adjustable LED lamp of pole height according to claim 1; It is characterized in that: said installation component also includes trim (5) and bottom (6); Said trim (5) is provided with internal thread; The outer peripheral face of said fixed head (7) is provided with second step face (72), said trim (5) be sheathed on outside the said fixed head (7) and axial limiting on the second step face (72) of said fixed head (7); Said bottom (6) is sheathed on outside the said clamp lid (86), offers the installing hole (61) that is used to the face of being connected and installed on this bottom (6), and the periphery of this bottom (6) is provided with the external screw thread that can link to each other with said trim (5) internal thread.

4. the adjustable LED lamp of pole height according to claim 3 is characterized in that: the bottom surface of said bottom (6) also offers annular groove (62), is provided with elastic component (9) in the said annular groove (62).

5. the adjustable LED lamp of pole height according to claim 1 is characterized in that: the bottom of said lamp stand (1) also is provided with the spacing position-stopping plate that offsets in bottom (13) of an ability and clamp lid (86).

6. adjustable LED lamp of pole height; Include the lamp stand (1) that cross section is square and be installed in the lamp body (2) on this lamp stand (1); It is characterized in that: said lamp stand also is provided with installation component on (1), and said installation component includes catch (7 ') and clamps block (8 ');

Wherein, Said clamping block (8 ') offer can with said lamp stand (1) square hole (81 ') of inserting mutually; The square hole (81 ') of this clamping block (8 ') wherein offers cavity (82 ') respectively on two madial walls relatively established; Be provided with the elastic device that can be all the time be tight against mutually with the sidewall of said lamp stand (1) in the said cavity (82 '), said catch (7 ') is arranged at the bottom of said cavity (82 ').

7. the adjustable LED lamp of pole height according to claim 6; It is characterized in that: described elastic device includes spring (83 ') and clamp (84 '); Said clamp (84 ') is arranged in the said cavity (82 '), and the sidewall of a side of said clamp (84 ') and said lamp stand (1) offsets, and the opposite side of this clamp (84 ') is formed with the chamber (841 ') of indent; The centre of this chamber (841 ') has projection (842 '); Said spring (83 ') is set on the said projection (842 '), and an end of this spring (83 ') and the bottom of said chamber (841 ') offset, and the bottom of the other end of this spring (83 ') and said cavity (82 ') offsets.

8. the adjustable LED lamp of pole height according to claim 7; It is characterized in that: the lateral wall of said clamping block (8 ') offers along circumferential arrangement and the draw-in groove (85 ') that supplies said catch (7 ') to insert in a side of corresponding each said cavity (82 '); Said catch (71 ') end is circular arc and is inserted in this draw-in groove (85 '), and the upper surface of said catch (7 ') also is provided with the salient point (71 ') that can be tight against mutually with the bottom of said clamp (84 ').

9. the adjustable LED lamp of pole height according to claim 6; It is characterized in that: said installation component also includes mount pad (6 '); Said mount pad (6 ') is sheathed on outside the said clamping block (8 ') rotationally; Annular top cover (61 ') is formed on the top of this mount pad (6 '); Offer the installing hole (611 ') of the face of being connected and installed on the said annular top cover (61 '), be formed with step surface (612 ') in the annular on the inner hole wall of said annular top cover (61 '), the bottom of this mount pad (6 ') forms and the integrated sleeve of said annular top cover (62 '); The top of said clamping block (8 ') radially outwards forms and can offset with step surface (612 ') in the said annular and realize this clamping block (8 ') annular boss (86 ') of axial limiting downwards; The bottom of said clamping block (8 ') is provided with at least one and can offsets with the bottom of said mount pad (6 ') and realize the upwards elasticity card base (87 ') of axial limiting of this clamping block (8 ').

10. the adjustable LED lamp of pole height according to claim 9; It is characterized in that: the lateral wall of said clamping block (8 ') is provided with the elastic collar (9 ') that is connected with said clamping block close-fitting along circumferentially also offering annular groove (88 ') in the said annular groove (88 ').

11. the adjustable LED lamp of pole height according to claim 9; It is characterized in that: said installation component also includes trim (5 '); Said trim (5 ') is withheld and is connected on the said annular top cover (61 '); And the external diameter of the internal diameter size of this trim (5 ') and the annular top cover (61 ') of said mount pad (6 ') is suitable.

12. according to the adjustable LED lamp of the described pole height of arbitrary claim in the claim 1～11; It is characterized in that: said lamp holder (3) is movably articulated on the said lamp stand (1); The hinged end of said lamp stand (1) is formed with first lug (11); Offer first screwed hole (111) on said first lug (11); Correspondingly; The hinged end of said lamp body (2) is formed with second lug (21) that can offset with the sidewall of said first lug (11), offers first through hole (211) that aligns with said first screwed hole (111) on said second lug (21), is movably hinged with backing-up screw (4) realization within first through hole (211) and links to each other through being arranged in said first screwed hole (111) between said first lug (11) and second lug (21); And; On said lamp stand (1), also offer second screwed hole (12) that connects with said first screwed hole (111), the axial direction of the axis direction of said second screwed hole (12) and said first screwed hole (111) is perpendicular, is equipped with the inconsistent trip bolt of screw thread of ability and said backing-up screw (4) in this second screwed hole (12).

13. the adjustable LED lamp of pole height according to claim 12; It is characterized in that: said first through hole (211) is a shoulder hole, and said backing-up screw (4) includes stub end and screw rod, wherein; The screw head of said backing-up screw (4) penetrates the miner diameter end of said screwed hole (111); The stub end of this backing-up screw (4) is placed in the bigger diameter end of said first through hole (211), and, also be arranged with the elastomer that prevents that this backing-up screw (4) from outwards sliding on the said backing-up screw (4); The cascaded surface of a said elastomeric side and said first through hole (211) offsets, and the stub end of this elastomeric opposite side and said backing-up screw (4) offsets.

14. the adjustable LED lamp of pole height according to claim 13; It is characterized in that: said elastomer includes flat shim (41) and disk gasket (42); Wherein, The cascaded surface of one side of said flat shim (41) and said first through hole (211) offsets, and the opposite side of the little head end of said disk gasket (42) and this flat shim (41) offsets, and the stub end of the stub end of said disk gasket (42) and said backing-up screw (4) offsets.