CN210624194U

CN210624194U - Lamp holder structure and lighting lamp

Info

Publication number: CN210624194U
Application number: CN201921653076.9U
Authority: CN
Inventors: 曹亮亮; 黄雨欣
Original assignee: Xiamen Eco Lighting Co Ltd
Current assignee: Xiamen Eco Lighting Co Ltd; Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-05-26
Anticipated expiration: 2029-09-30

Abstract

The utility model provides a lamp holder structure and illumination lamps and lanterns, the lamp holder structure includes: a light source driving member for driving the light source; the sleeve is provided with a line hole; the metal piece is provided with a cylindrical inner cavity and is rotationally connected relative to the sleeve by taking the axis of the sleeve as a rotating shaft; and the metal ring is arranged in the cylindrical inner cavity and has elasticity, the metal ring is abutted against the inner wall of the metal piece under the action of the elasticity of the metal ring, and one end of the metal ring penetrates through the wire hole and is electrically connected with the light source driving piece. The utility model provides a lamp holder structure and illumination lamps and lanterns, metalwork installation when fixed to the lamps and lanterns mount pad on, can make the relative metalwork of sleeve rotate, drive light source driving piece and lighting assembly and rotate, adjust lighting assembly's light emitting area to required position, and the becket together rotates along with the sleeve, nevertheless the becket all the time with metalwork looks butt for light source driving piece, becket and metalwork switch on all the time.

Description

Lamp holder structure and lighting lamp

Technical Field

The utility model belongs to the technical field of lamps and lanterns, more specifically say, relate to a lamp holder structure and illumination lamps and lanterns.

Background

The lighting lamp is widely applied to daily life, such as classrooms, office places, outdoor street lamps, spot lamps and the like. Some lighting fixtures are not full angle lighting fixtures, but are directional lighting fixtures. When the directional light-emitting lamp is installed on the lamp installation seat, the light emitting direction is fixed, the requirement on the machining precision of the installation structure is high, if the precision of the installation structure is low, and when a large installation tolerance occurs, the light emitting direction of the lamp possibly deviates from the designed direction, and the lighting requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lamp holder structure to solve the directional luminous lamps and lanterns that exist among the prior art and install behind the mount pad, the luminous direction of lamps and lanterns probably deviates from the technical problem of design direction.

In order to achieve the above object, the utility model adopts the following technical scheme: there is provided a lamp cap structure including:

a light source driving part for driving the light source;

the sleeve is provided with a line hole;

the metal piece is provided with a cylindrical inner cavity and is in rotary connection relative to the sleeve by taking the axis of the sleeve as a rotary shaft; and

the metal ring is arranged in the cylindrical inner cavity and has elasticity, the metal ring is abutted against the inner wall of the metal piece under the action of the elasticity of the metal ring, and one end of the metal ring penetrates through the wire hole and is electrically connected to the light source driving piece.

Further, the metal ring comprises an arc-shaped portion and an extension portion connected with the arc-shaped portion, the arc-shaped portion abuts against the inner wall of the metal piece, the extension portion penetrates through the wire hole, and the extension portion is formed by extending the end portion of the arc-shaped portion towards the axis direction of the cylindrical inner cavity.

Further, the metal piece is barrel-shaped, and the end of the metal piece has an opening through which the sleeve enters the cylindrical inner cavity.

Furthermore, the lamp holder structure further comprises a connecting piece used for connecting the metal piece and the sleeve, a first connecting hole is formed in one side, opposite to the opening, of the metal piece, a second connecting hole is formed in the end portion of the sleeve, and the connecting piece penetrates through the first connecting hole and is connected into the second connecting hole.

Further, the tip of telescopic is equipped with first spacing portion along the protruding axial direction, the metalwork orientation the inside extension of first connecting hole is formed with be used for with the spacing second spacing portion of first spacing portion cooperation.

Further, the lamp holder structure further comprises a lamp holder pad arranged at the first connecting hole, the diameter of the lamp holder pad is larger than that of the first connecting hole, and a gasket hole for the connecting piece to penetrate through is formed in the lamp holder pad.

Furthermore, an annular groove used for avoiding the first limiting part is formed in one side, facing the sleeve, of the lamp holder pad.

Furthermore, one end, close to the opening of the metal piece, of the sleeve is provided with an annular step, and the line hole penetrates through the annular step along a direction parallel to the axis of the sleeve.

Further, the light source driving part comprises a driving shell and a driving plate arranged in the driving shell, one end, penetrating through the wire hole, of the metal ring is fixed on the driving plate, the driving shell, the sleeve and the metal part are sequentially arranged in the axial direction of the sleeve, and the driving shell is fixedly connected with the sleeve.

The utility model also provides an illumination lamps and lanterns, including foretell lamp holder structure.

The utility model provides a lamp holder structure and illumination lamps and lanterns's beneficial effect lies in: compared with the prior art, the utility model discloses the lamp holder structure includes light source driving piece, sleeve, metalwork and becket, and the metalwork uses telescopic axis direction to rotate as the relative sleeve of pivot and connects, and the becket butt passes the sleeve in the inner wall of metalwork and the one end of becket and is connected with the light source driving piece electricity. Therefore, when the metal piece is installed and fixed on the lamp installation seat, the sleeve can rotate relative to the metal piece to drive the light source driving piece and the lighting assembly to rotate, and the light emitting surface of the lighting assembly is adjusted to a required position. When the sleeve rotates relative to the metal piece, the end of the metal ring penetrates through the sleeve, the metal ring rotates along with the sleeve, the metal ring is always abutted against the metal piece, the light source driving piece, the metal ring and the metal piece are always conducted, and the lighting assembly can still be conducted with the metal piece after the sleeve and the lighting assembly are rotationally adjusted to a certain angle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a three-dimensional structure diagram of a lamp cap structure provided in an embodiment of the present invention;

fig. 2 is a first explosion structure diagram of a lamp holder structure according to an embodiment of the present invention;

fig. 3 is an explosion structure diagram of a lamp holder structure according to an embodiment of the present invention;

fig. 4 is a perspective structural view of a sleeve according to an embodiment of the present invention;

fig. 5 is a perspective structural view of a lighting fixture according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-lamp holder structure; 11-a light source driver; 111-a drive housing; 112-a drive plate; 12-a sleeve; 121-a second connection hole; 122-a first limiting part; 123-annular step; a 124-wire hole; 13-a metal ring; 131-an arcuate portion; 132-an extension; 14-a metal part; 141-a first connection hole; 142-a second limiting part; 15-lamp head pad; 151-shim holes; 152-sink tank; 16-a connector; 2-lighting assembly.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 2, a lamp cap structure 1 according to an embodiment of the present invention will now be described. In one of the embodiments, the lamp cap structure 1 comprises a light source driver 11, a sleeve 12, a metal piece 14 and a metal ring 13. The light source driving unit 11 is used to drive the light source to emit light. The sleeve 12 and the metal member 14 can rotate relative to each other about the axis of the sleeve 12. The metal piece 14 has a cylindrical inner cavity, and the metal ring 13 is disposed inside the metal piece 14, i.e., disposed in the cylindrical inner cavity. The metal ring 13 has elasticity and is installed in the metal part 14 in a certain pre-pressed state, so that the metal ring 13 is always abutted against the inner wall of the metal part 14 under the action of the elasticity, namely the metal ring 13 is always conducted with the metal part 14. One end of the metal ring 13 passes through the wire hole 124 of the sleeve 12 to be electrically connected with the light source driver 11, so that the light source driver 11, the metal ring 13 and the metal member 14 are conducted. Wherein the end of the metal ring 13 is disposed off-set from the axis of the sleeve 12 so as to rotate with the rotation of the sleeve 12. When the metal member 14 is mounted to the lamp mount, the light source driver 11 is connected to the power supply of the lamp mount through the metal ring 13 and the metal member 14. If the irradiation direction of the light source needs to be adjusted, the sleeve 12 and the light source driving member 11 are rotated relative to the metal member 14 to adjust the light emitting direction of the light source. When the sleeve 12 rotates, the metal piece 14 and the lamp mounting seat are kept stationary, the end of the metal ring 13 penetrates through the wire hole 124, the sleeve 12 drives the metal ring 13 to rotate in the cylindrical inner cavity, and in the rotating process, the metal ring 13 is always attached to the inner wall of the metal piece 14 to keep the light source driving piece 11 communicated with a power supply of the lamp mounting seat.

The lamp holder structure 1 in the above embodiment includes a light source driving part 11, a sleeve 12, a metal part 14 and a metal ring 13, wherein the metal part 14 is rotatably connected to the sleeve 12 by using an axial direction of the sleeve 12 as a rotation axis, the metal ring 13 abuts against an inner wall of the metal part 14, and one end of the metal ring 13 penetrates through the sleeve 12 and is electrically connected to the light source driving part 11. Thus, when the metal member 14 is fixed to the lamp mounting base, the sleeve 12 can rotate relative to the metal member 14 to drive the light source driving member 11 and the lighting assembly 2 to rotate, so as to adjust the light emitting surface of the lighting assembly 2 to a desired position. When the sleeve 12 rotates relative to the metal member 14, the end of the metal ring 13 penetrates through the sleeve 12, so that the metal ring 13 rotates together with the sleeve 12, but the metal ring 13 is always abutted against the metal member 14, so that the light source driving member 11, the metal ring 13 and the metal member 14 are always conducted, and the lighting assembly 2 can still be conducted with the metal member 14 after the sleeve 12 and the lighting assembly 2 are rotationally adjusted by a certain angle.

Referring to fig. 2, in one embodiment, the metal ring 13 includes an arc portion 131 and an extension portion 132, the arc portion 131 and the extension portion 132 are connected to each other, the arc portion 131 is disposed along the inner wall of the metal member 14 and abuts against the inner wall of the metal member 14, the extension portion 132 is disposed through the wire hole 124, and the extension portion 132 is formed by extending the end portion of the arc portion 131 toward the axial direction of the cylindrical inner cavity. The extension 132 is disposed offset from the axis of the sleeve 12 so that the sleeve 12 rotates along its axis to rotate the metal ring 13. The extension 132 may be fixedly attached to the sleeve 12 even if the extension 132 is disposed along the axis of the sleeve 12 to rotate with the sleeve 12. More specifically, the sleeve 12 is a plastic member and is injection molded, and during the injection molding, the extension portion 132 of the metal ring 13 is injection molded and fixed in the extension portion 132.

Optionally, the wire aperture 124 is disposed through the sleeve 12 in a direction parallel to the axis of the sleeve 12, and correspondingly, the extension 132 is also disposed to extend in the direction of the axis of the sleeve 12 to facilitate die-molding of the wire aperture 124. The axis of the wire aperture 124 is disposed parallel to the axis of the sleeve 12, such that the extension 132 is offset from the axis of the sleeve 12, thereby making it easier for the extension 132 to rotate with the sleeve 12.

Optionally, the arc portion 131 is in a ring shape with a gap, and a central angle corresponding to the arc portion 131 is greater than 180 °, so that a contact area with the metal piece 14 is increased, and the arc portion can be ensured to be kept in contact with the metal piece 14 during rotation.

Referring to fig. 2, in one embodiment of the lamp cap structure 1, the metal member 14 is barrel-shaped, that is, the metal member 14 has a bottom portion and a circumferential portion, the bottom portion and the circumferential portion constitute a barrel-shaped metal member 14 with an opening, an inner cavity of the barrel-shaped metal member 14 is a cylindrical inner cavity, the metal ring 13 abuts against an inner wall of the circumferential portion, and the sleeve 12 enters the inner portion of the metal member 14 through the opening. The end of the sleeve 12 may contact or be spaced from the bottom of the metal 14 with a gap, and the circumference wraps around the circumference of the sleeve 12. The end of the sleeve 12 extends into the metal member 14 to allow the sleeve 12 to contact the metal member 14 to facilitate the rotational coupling of the sleeve 12 and the metal member 14. Optionally, the outer periphery of the metal part 14 is provided with an external thread, and is in threaded connection with the lamp mounting seat, and the metal part 14 and the lamp mounting seat are in contact to realize electrical connection therebetween.

Referring to fig. 2 and 3, in one embodiment of the lamp holder structure 1, the lamp holder structure 1 further includes a connecting member 16 for connecting the metal member 14 and the sleeve 12, and the connecting member 16 connects the metal member 14 and the sleeve 12 to each other and enables the metal member 14 and the sleeve 12 to rotate relative to each other. Specifically, the side of the metal member 14 opposite to the opening is provided with a first connection hole 141, that is, the bottom of the metal member 14 is provided with a first connection hole 141, the end of the sleeve 12 is provided with a second connection hole 121, and the connecting member 16 passes through the first connection hole 141 and is connected to the second connection hole 121. The arrangement of the connecting member 16 restricts the relative movement of the metal member 14 and the sleeve 12 in the axial direction of the two, but the metal member 14 and the sleeve 12 can still be rotated relatively in the circumferential direction to adjust the light emitting direction of the light source. Connecting piece 16 can be selected for the screw member, and first connecting hole 141 is the through-hole, and second connecting hole 121 is the screw hole, and when the screw member connected metalwork 14 and sleeve 12, the screw member was screwed up to metalwork 14 and sleeve 12 can not rock each other when there was no external force, can the rotation each other when having external force, through the elasticity that screw member control metalwork 14 and sleeve 12 are connected, and is simple and convenient, the installation of being convenient for moreover.

In another embodiment of the burner structure 1, the inner surface of the metal piece 14 has a first annular portion and the outer surface of the sleeve 12 has a second annular portion, the first and second annular portions cooperating to enable the metal piece 14 to rotate relative to the sleeve 12. The first annular part is an annular bulge, and the second annular part is an annular groove; or the first annular part is an annular groove, and the second annular part is an annular bulge.

Referring to fig. 3 and 4, in one embodiment of the lamp head structure 1, the connecting member 16 passes through the first connecting hole 141 of the metal member 14 and is connected to the second connecting hole 121 of the sleeve 12, so as to connect the metal member 14 and the sleeve 12. A first limiting portion 122 is convexly disposed at an end of the sleeve 12 along the axial direction, and a second limiting portion 142, which is matched with the first limiting portion 122 for limiting, is disposed on the metal member 14. When the sleeve 12 rotates relative to the metal member 14, the first limiting portion 122 also rotates relative to the second limiting portion 142, and when the first limiting portion 122 rotates to contact with the second limiting portion 142, the sleeve 12 cannot rotate continuously, so that the sleeve 12 is limited to rotate 360 degrees, and the sleeve 12 is prevented from driving the light source to turn over. The second position-limiting portion 142 is formed by extending the metal piece 14 toward the inside of the first connection hole 141, and radially extends into the first connection hole 141 for abutting against the protruding first position-limiting portion 122. Correspondingly, the first position-limiting portion 122 axially passes through the first connection hole 141, and is abutted against the first position-limiting portion 122.

Referring to fig. 3, in one embodiment of the lamp head structure 1, the lamp head structure 1 further includes a lamp head pad 15 disposed at the first connection hole 141, and the lamp head pad 15 is disposed on the metal member 14 at the first connection hole 141. The base pad 15 is formed with a pad hole 151 for the connection member 16 to pass through, and the connection member 16 passes through the pad hole 151, the first connection hole 141 and the second connection hole 121 in sequence. The diameter of the cap cushion 15 needs to be larger than that of the first connection hole 141, so that the cap cushion 15 can cover the end of the metal member 14. Because when adjusting the luminous angle of light source, need rotatory sleeve 12, connecting piece 16 is rotatory along with sleeve 12 also, then connecting piece 16 can rub each other with the surface of metalwork 14, the setting up of lamp holder pad 15 makes the surface of metalwork 14 all with the surface contact of lamp holder pad 15, lamp holder pad 15 can not rotate along with sleeve 12 or rotate along with sleeve 12 small angle when sleeve 12 rotates, then the surface of metalwork 14 can not be rubbed by lamp holder pad 15, the friction of metalwork 14 and the head of connecting piece 16 shifts to the friction of lamp holder pad 15 and the head of connecting piece 16, avoid wearing and tearing metalwork 14. Moreover, when the second position-limiting portion 142 is disposed inside the first connection hole 141, the inner diameter of the first connection hole 141 is larger than the head diameter of the connection member 16, and the first connection hole 141 needs to be covered by the lamp pad 15. The lamp head pad 15 can be a plastic pad, and the plastic pad has low cost.

In one embodiment of the lamp holder structure 1, an annular groove is formed on a side of the lamp holder pad 15 facing the sleeve 12, and the annular groove is used for avoiding the first limiting portion 122, so as to prevent the lamp holder pad 15 from interfering with the first limiting portion 122, and enable the sleeve 12 to rotate freely relative to the lamp holder pad 15. Optionally, a sunken groove 152 is formed in a side of the lamp holder pad 15 facing the connecting member 16, the sunken groove 152 is used for accommodating a head of the connecting member 16, so that the head of the connecting member 16 is embedded into the sunken groove 152, that is, an edge of the head of the connecting member 16 is hidden in the sunken groove 152, and the sunken groove 152 has a positioning effect on the head of the connecting member 16 and can also reduce the length of the lamp holder structure 1 in the axial direction.

Referring to fig. 4, in one embodiment of the lamp holder structure 1, an annular step 123 is disposed at one end of the sleeve 12 close to the opening of the metal member 14, and an annular surface of the annular step 123 contacts an inner wall of the metal member 14, so that a surface of the sleeve 12 not provided with the annular step 123 does not contact the metal member 14, that is, only an end of the sleeve 12 and the annular step 123 contact the metal member 14, so as to reduce a contact area between the sleeve 12 and the metal member 14 as much as possible, so that the sleeve 12 is more easily rotated relative to the metal member 14, and wear of the surface of the sleeve 12 and the inner wall of the metal member 14 can be reduced.

Alternatively, the wire hole 124 is provided through the annular step 123, and then the wire hole 124 is opened at the edge of the sleeve 12 and is provided to be offset from the central axis of the sleeve 12, so that the arc portion 131 and the extension portion 132 of the metal ring 13 are directly connected without providing a radially extending connecting section connecting the arc portion 131 and the extension portion 132. The offset placement of the extension 132 from the axis of the arcuate segment increases the moment of the extension 132 when the sleeve 12 is rotated, making it easier for the metal ring 13 to rotate. Further, the arc portion 131 of the metal ring 13 is disposed close to the annular step 123, and the distance that the end of the extension portion 132 close to the arc portion 131 extends out of the annular step 123 is short, so that when the sleeve 12 rotates, the moment applied to the metal ring 13 is large, and the metal ring 13 can rotate with a small rotating force. The wire aperture 124 may be disposed in a direction parallel to the axis of the sleeve 12 to facilitate die-forming of the wire aperture 124.

Referring to fig. 2, in one embodiment of the lamp head structure 1, the light source driving member 11 includes a driving housing 111 and a driving board 112, the driving board 112 is disposed inside the driving housing 111, and the driving housing 111 is fixedly connected to the sleeve 12. Alternatively, the drive housing 111 and the sleeve 12 are fixedly connected by screws. The drive plate 112 is secured directly within the drive housing 111 by screws or is clamped between the drive housing 111 and the sleeve 12. One end of the metal ring 13 passing through the wire hole 124 is fixed to the driving board 112, so that the end of the metal ring 13 is fixedly connected to both the driving board 112 and the driving board 112, so that when the sleeve 12 and the light source driving part 11 rotate, the metal ring 13 also rotates. Optionally, the metal ring 13 is welded to the drive plate 112 through one end of the wire aperture 124.

In the above embodiment, the driving shell 111, the sleeve 12, and the metal member 14 are sequentially arranged along the axial direction of the sleeve 12, so that the driving shell 111, the sleeve 12, and the metal member 14 are sequentially and axially mounted, thereby reducing the difficulty in mounting the driving shell 111, the sleeve 12, and the metal member 14, and making the mounting manner of the lamp holder structure 1 simpler and more convenient.

Referring to fig. 5, the present invention further provides an illumination device, which includes the lamp cap structure 1 in any of the above embodiments.

The utility model provides an illumination lamp has adopted foretell lamp holder structure 1, and arbitrary lighting components 2 that can arrange use, and lamp holder structure 1 includes light source driving piece 11, sleeve 12, metalwork 14 and becket 13, and metalwork 14 uses the axis direction of sleeve 12 to rotate as the relative sleeve 12 of pivot and connect, and becket 13 butt passes sleeve 12 and light source driving piece 11 electricity in the inner wall of metalwork 14 and becket 13's one end and is connected. Thus, when the metal member 14 is fixed to the lamp mounting base, the sleeve 12 can rotate relative to the metal member 14 to drive the light source driving member 11 and the lighting assembly 2 to rotate, so as to adjust the light emitting surface of the lighting assembly 2 to a desired position. When the sleeve 12 rotates relative to the metal member 14, the end of the metal ring 13 penetrates through the sleeve 12, so that the metal ring 13 rotates together with the sleeve 12, but the metal ring 13 is always abutted against the metal member 14, so that the light source driving member 11, the metal ring 13 and the metal member 14 are always conducted, and the lighting assembly 2 can still be conducted with the metal member 14 after the sleeve 12 and the lighting assembly 2 are rotationally adjusted by a certain angle.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. Lamp holder structure, its characterized in that includes:

a light source driving part for driving the light source;

the sleeve is provided with a line hole;

2. The lamphead structure of claim 1, wherein: the metal ring comprises an arc-shaped part and an extension part connected with the arc-shaped part, the arc-shaped part abuts against the inner wall of the metal piece, the extension part penetrates through the wire hole, and the extension part is formed by extending the end part of the arc-shaped part towards the axis direction of the cylindrical inner cavity.

3. The lamphead structure of claim 1, wherein: the metal piece is barrel-shaped, and the end of the metal piece is provided with an opening for the sleeve to enter the cylindrical inner cavity.

4. A lamphead structure as claimed in claim 3, characterized in that: the lamp holder structure further comprises a connecting piece used for connecting the metal piece and the sleeve, a first connecting hole is formed in one side, opposite to the opening, of the metal piece, a second connecting hole is formed in the end portion of the sleeve, and the connecting piece penetrates through the first connecting hole and is connected into the second connecting hole.

5. The lamphead structure of claim 4, wherein: the end part of the sleeve is convexly provided with a first limiting part along the axial direction, and the metal piece extends towards the inside of the first connecting hole to form a second limiting part which is used for being matched and limited with the first limiting part.

6. The lamphead structure of claim 5, wherein: the lamp cap structure further comprises a lamp cap pad arranged at the first connecting hole, the diameter of the lamp cap pad is larger than that of the first connecting hole, and a gasket hole for the connecting piece to penetrate through is formed in the lamp cap pad.

7. The lamphead structure of claim 6, wherein: an annular groove used for avoiding the first limiting part is formed in one side, facing the sleeve, of the lamp cap pad.

8. A lamphead structure as claimed in claim 3, characterized in that: the sleeve is close to the opening one end of metalwork is provided with annular step, the line hole along being on a parallel with the direction of sleeve axis runs through annular step sets up.

9. The lamp cap structure according to any one of claims 1 to 8, wherein: the light source driving part comprises a driving shell and a driving plate arranged in the driving shell, the metal ring penetrates through one end of the wire hole and is fixed on the driving plate, the driving shell, the sleeve and the metal piece are sequentially arranged in the axial direction of the sleeve, and the driving shell is fixedly connected with the sleeve.

10. Illumination lamps and lanterns, its characterized in that: comprising a lamp cap structure as claimed in any one of the claims 1-9.