CN106152063B

CN106152063B - Light source double-damping structure and lamp applying same

Info

Publication number: CN106152063B
Application number: CN201510190362.6A
Authority: CN
Inventors: 周明杰; 赵永春
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Shenzhen Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Shenzhen Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2015-04-21
Filing date: 2015-04-21
Publication date: 2020-07-14
Anticipated expiration: 2035-04-21
Also published as: CN106152063A

Abstract

The invention discloses a light source double damping structure and a lamp applied by the same, wherein the light source double damping structure comprises a shell, a bracket, a rotating shaft, a first damping component and a second damping component, the shell is used for mounting a light source, a ratchet wheel is arranged on the shell, the first damping component comprises a fixed seat, a first elastic piece and a positioning pin, the fixed seat is fixed on the bracket, and is provided with a sliding hole extending towards the peripheral side of the ratchet wheel, the positioning pin is connected in the sliding hole in a sliding way, one end of the positioning pin close to the ratchet wheel is propped against the peripheral side of the ratchet wheel, so as to position the ratchet wheel, the first elastic piece is compressed between the positioning pin and the fixed seat, the positioning pin is abutted against the elastic force of the ratchet wheel, and the second damping component is connected between the second end and the support to prevent the rotating shaft from rotating relative to the support.

Description

Light source double-damping structure and lamp applying same

Technical Field

The invention relates to a lighting device, in particular to a light source double-damping structure and a lamp using the same.

Background

The movable lamp is generally applied to stage lighting, square lighting, entertainment lighting and the like, so that the movable lamp needs to face the condition of frequently adjusting the light source irradiation direction so as to meet the irradiation direction of the movable lamp at multiple angles.

At present, many movable lamps are screwed and fixed by butterfly nuts, the nuts can be loosened after the lamps are used for a period of time, the projection direction of a lamp holder is changed, and the lamp holder needs to be adjusted and screwed again; in use, a user needs to adjust the irradiation direction, the existing operation mode is that the butterfly nuts on two sides need to be unscrewed respectively, the projection of the lamp holder is adjusted, then the user holds the lamp holder with one hand, and screws the butterfly nuts on two sides of the lamp holder with the other hand, so that the operation is complex, and the adjusting structure of the lamp is easy to damage.

Disclosure of Invention

The invention aims to provide a light source double-damping structure capable of conveniently adjusting the irradiation direction of a light source and a lamp applying the light source double-damping structure.

In order to solve the above technical problem, the present invention provides a light source double damping structure, wherein the light source double damping structure includes a housing, a bracket, a rotating shaft, a first damping assembly and a second damping assembly, the housing is used for mounting a light source, the housing is provided with a ratchet, the bracket is provided with a through hole corresponding to a geometric central axis of the ratchet, the rotating shaft includes a first end and a second end arranged opposite to the first end, the first end is fixedly connected to the ratchet and coaxially arranged with the ratchet, the second end passes through the through hole and is rotatably connected to the bracket, the first damping assembly includes a fixing seat, a first elastic member and a positioning pin, the fixing seat is fixed to the bracket and is provided with a sliding hole extending towards a peripheral side of the ratchet, the positioning pin is slidably connected to the sliding hole, and one end of the positioning pin, which is close to the ratchet, abuts against the peripheral side of the ratchet, the first elastic piece is compressed between the positioning pin and the fixed seat to provide elastic force for the positioning pin to support the ratchet wheel, and the second damping assembly is connected between the second end and the bracket to prevent the rotating shaft from rotating relative to the bracket.

The ratchet wheel is provided with a first locking hole, the side wall of the first locking hole is provided with a first pin hole, a first pin is arranged in the first pin hole, the first end is locked into the first locking hole, and the first pin is fixed to the first end.

The ratchet wheel comprises a plurality of arc-shaped grooves which are arranged on the periphery, the positioning pin is close to one end of the ratchet wheel and is provided with an arc-shaped boss, and the arc-shaped boss can be matched with the arc-shaped grooves.

The fixing seat comprises a supporting plate and a cover plate, the supporting plate is fixed on the support, the sliding hole penetrates through the supporting plate, the cover plate is fixedly connected with the supporting plate and covers one end, away from the ratchet, of the sliding hole, the first elastic piece is contained in the sliding hole, and one end, away from the ratchet, of the first elastic piece abuts against the cover plate.

The second damping assembly comprises a first friction plate and a second friction plate, the first friction plate and the second friction plate are sleeved at the second end, the first friction plate is fixedly connected with the support, and the second friction plate is fixedly connected with the rotating shaft.

The second damping assembly further comprises a second elastic piece and a locking piece, the locking piece is fixed at the second end, and the second elastic piece is compressed between the locking piece and the second friction plate to provide elastic force for the second friction plate to abut against the first friction plate.

Wherein, first end sets up the screw thread, first end threaded connection the ratchet.

Wherein, the second end sets up the screw thread, second end threaded connection the retaining member.

And a third friction plate is arranged between the support and the rotating shaft fixing part, and the rotating shaft is sleeved with the third friction plate and fixed on the support.

The invention provides a lamp, wherein the lamp comprises any one of the light source double damping structures, and further comprises a light source which is fixed in the shell.

According to the light source double-damping structure, the positioning pin of the first damping assembly is used for positioning the ratchet wheel, so that when the shell rotates relative to the support, positioning is achieved, the second damping assembly is used for providing resistance to the rotation of the shell relative to the support, so that when the shell rotates relative to the support, damping motion exists, the positioning pin is used for positioning the shell, the rotation angle of the shell on the support can be adjusted, namely the irradiation angle of a light source is adjusted, the light source double-damping structure is achieved, convenience and durability are achieved, and the requirement for multi-angle adjustment of the light source is met.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described 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 that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a light source double damping structure provided by the present invention;

FIG. 2 is an enlarged schematic view of portion II of the light source dual damping structure of FIG. 1;

fig. 3 is a schematic cross-sectional view along III-III of the light source dual damping structure of fig. 1.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1, fig. 2 and fig. 3, a dual damping structure 100 for a light source according to an embodiment of the present invention includes a housing 10, a bracket 20, a rotating shaft 30, a first damping element 40 and a second damping element 50. The shell 10 is used for mounting a light source, and the ratchet wheel 11 is arranged on the shell 10. The bracket 20 is provided with a through hole 21 corresponding to the geometric central axis of the ratchet wheel 11. The rotating shaft 30 comprises a first end 31 and a second end 32 opposite to the first end 31, wherein the first end 31 is fixedly connected with the ratchet wheel 11 and is coaxially arranged with the ratchet wheel 11. The second end 32 passes through the through hole 21 and is rotatably connected to the bracket 20. The first damping assembly 40 includes a fixing seat 41, a first elastic member 42 and a positioning pin 43, the fixing seat 41 is fixed to the bracket 20 and is provided with a sliding hole 41a extending toward the peripheral side of the ratchet wheel 11, the positioning pin 43 is slidably connected to the inside of the sliding hole 41a, and one end of the positioning pin 43 close to the ratchet wheel 11 abuts against the peripheral side of the ratchet wheel 11 to position the ratchet wheel 11. The first elastic member 42 is compressed between the positioning pin 43 and the fixing seat 41 to provide an elastic force for the positioning pin 43 to support the ratchet 11, and the second damping member 50 is connected between the second end 32 and the bracket 20 to prevent the rotating shaft 30 from rotating relative to the bracket 20.

Through the locating pin of first damping subassembly 40 is to ratchet 11's location, thereby make casing 10 is relative when support 20 rotates, realize the location, and utilize second damping subassembly 50 provides casing 10 is relative support 20 pivoted resistance, thereby casing 10 is relative when support 20 rotates, there is damping motion, and utilizes locating pin 43 is right the location of casing 10 can be realized adjust on the support 20 the turned angle of casing 10, adjust the angle of shining of light source promptly, realize the dual damping structure of light source, convenient and durable satisfies the requirement of light source multi-angle regulation.

In the present embodiment, the housing 10 is a disk-shaped housing 10, the housing 10 has a cavity 10a, a light source assembly (not shown) or a light source is disposed in the cavity 10a, it is understood that the light source assembly may be a combination of L ED (L bright emitting Diode) lamp and an aluminum substrate, the light source assembly may also be a combination of L ED lamps, specifically, the housing 10 has a circular box shape, the cavity 10a may be a circular groove, the light source or the light source assembly is fixed in the cavity 10a and emits light toward an open end of the cavity 10a, the housing 10 has two ratchet wheels 11, the two ratchet wheels 11 are fixed on a sidewall of the housing 10 and are disposed opposite to each other in a radial direction of the housing 10 and are disposed coaxially, in other embodiments, only one ratchet wheel 11 may be disposed on the housing.

In the present embodiment, the bracket 20 is a semicircular plate, and the bracket 20 includes two opposite free ends 20a and a base 22 fixed between the two free ends 20 a. The through holes 21 are disposed at the free end 20a, and the two through holes 21 are coaxially disposed. Utilize support 20 supports casing 10, the convenience the rotation of casing 10 reduces the volume of the dual damping structure 100 of light source, and makes the dual damping structure 100 of light source is convenient to be maintained. The free end 20a is provided with two screw holes 20b on the periphery of the through hole 21, and the screw holes 20b are connected with the fixed seat 41 through screws to fix the fixed seat 41. In other embodiments, a bearing may be disposed at the free end 20a to rotatably connect the rotating shaft 30, and the free end 20a may be a snap to fix the fixing seat 41.

In this embodiment, the light source dual damping structure 100 is provided with two rotating shafts 30, and the two rotating shafts 30 are respectively and correspondingly fixed on the two ratchet wheels 11 and correspondingly penetrate through the two through holes 21. The two rotating shafts 30 are arranged in the same direction. In other embodiments, if the housing is provided with one ratchet, the light source dual damping structure 100 may also be provided with one rotating shaft.

In this embodiment, the fixing seat 41 is screwed to the free end 20a of the bracket 20, and the extending direction of the sliding hole 41a is perpendicular to the axial direction of the rotating shaft 30 and extends along the radial direction of the ratchet wheel 11, so that the positioning pin 43 exerts a holding force on the radial direction of the ratchet wheel 11, and the resistance to the ratchet wheel 11 is larger, which is beneficial to positioning the ratchet wheel 11. In other embodiments, the extending direction of the sliding hole 41a may be inclined with respect to the radial direction of the ratchet 11, and the positioning pin may be replaced by a hook.

Further, the ratchet 11 is provided with a first locking hole 111, a first pin hole 112 is provided on a side wall of the first locking hole 111, a first pin 113 is provided in the first pin hole 112, the first end 31 is locked in the first locking hole 111, and the first pin 112 fixes the first end 31. After the first end 31 is accommodated in the first locking hole 111, the first pin 113 is installed in the first pin hole 112, and the first pin 113 generates a pressure perpendicular to the axial direction of the first end 31 on the sidewall of the first end 31, so as to prevent the first end 31 from generating an axial movement and rotating around the axial direction, that is, to fix the first end 31. After the first pin 113 is loosened in the first pin hole 112, the length of the first end 31 received in the first locking hole 111 can be adjusted, that is, the locking degree of the rotating shaft 30 by the rotating shaft fixing portion 11 can be adjusted. In other embodiments, a counter bore may be provided on a side wall of the first end 31, the counter bore corresponds to the first pin hole 112, and one end of the first pin 113 may be sunk into the counter bore.

Further, the ratchet 11 includes a plurality of arc grooves 112 arranged on the peripheral side, an arc protrusion 431 is disposed at one end of the positioning pin 43 close to the ratchet, and the arc protrusion 431 and the plurality of arc grooves 112 can be matched.

In this embodiment, the arc-shaped groove 112 is circumferentially disposed along the ratchet 11 and surrounds the rotating shaft 30, the boss 431 is hemispherical, when the boss 431 of the positioning pin 43 is engaged with one of the arc-shaped grooves 112, the positioning pin 43 is engaged with the arc-shaped groove 112, and since the positioning pin 43 can only slide in the radial direction of the ratchet 11, the ratchet 11 receives resistance in the rotating direction and stops rotating, thereby positioning the ratchet 11, and the housing 10 is fixed with respect to the bracket 20 along with the ratchet 11. In other embodiments, the ratchet 11 may be a plurality of triangular grooves arranged along the circumferential side, and the positioning pin may be tapered near one end of the ratchet.

Further, the fixing seat 41 includes a supporting plate 411 and a cover plate 412, the supporting plate 411 is fixed to the bracket 20, the sliding hole 41a penetrates through the supporting plate 411, the cover plate 412 is fixedly connected to the supporting plate 411 and covers an end of the sliding hole 41a away from the ratchet 11, the first elastic member 42 is accommodated in the sliding hole 41a, and an end of the first elastic member 42 away from the ratchet 11 abuts against the cover plate 412.

In this embodiment, the support plate 411 is a bent plate, the support plate 412 includes a first plate 411a and a second plate 411b, the first plate 411a is disposed opposite to the peripheral side of the ratchet 11, the sliding hole 41a penetrates the first plate 411a, and the second plate 411b is integrally disposed on the first plate 411a and screwed to the two screw holes 20b of the bracket 20. The cover plate 412 is engaged with the side of the support plate 41 facing away from the ratchet 11. In other embodiments, the supporting plate 411 may be replaced by a fixing block, and the fixing block is fixed on the side wall of the bracket near the ratchet.

In this embodiment, the first elastic member 42 is a rectangular spring, a flange 432 is disposed on the positioning pin 43 near the boss 431, and the first elastic member 42 is sleeved on the positioning pin 43 and compressed between the flange 432 and the cover plate 412. In other embodiments, the first elastic member may also be a rubber sleeve.

Further, the second damping assembly 50 includes a first friction plate 51 and a second friction plate 52, the first friction plate 51 and the second friction plate 52 are both sleeved at the second end 32, the first friction plate 51 is fixedly connected to the bracket 20, and the second friction plate 52 is fixedly connected to the rotating shaft 30.

In the present embodiment, the first friction plate 51 may be made of an asbestos material, or may be made of a metal material, an organic compound, or the like, which does not contain an asbestos material. The first friction plate 51 provides friction on the side thereof adjacent the second friction plate 52 to prevent the second friction plate 52 from rotating relative to the first friction plate 51. In other embodiments, the first friction plate 51 may be replaced by a fixed block, and a friction surface may be disposed on a surface of the fixed block adjacent to the second friction plate.

In this embodiment, the first friction plate 51 includes an annular sleeve portion and a fixing portion 512 fixed on the periphery of the sleeve portion, the sleeve portion (not labeled) is sleeved on the second end 32, and the fixing portion 512 is fixed on the bracket 20. The sleeving part surrounds the circumferential side of the second end 32, and when the second friction plate 52 rotates along with the second end 32, the second friction plate 52 slides relative to the sleeving part in the circumferential direction, so that the rotating shaft 30 rotates at any angle and is subjected to the friction force of the first friction plate 51. The fixing portion 512 may fix the first friction plate 51 to the bracket 20 by bonding, or fixing with screws, or fixing with rivets, so as to strengthen the radial locking force of the socket portion and prevent the socket portion from shearing.

The fixing portion 512 is provided with two screw holes 512a, the bracket 20 is provided with two screw holes 23 corresponding to the screw holes 512a, and the screw holes 23 are naked and connected with the two screws 23a to lock the fixing portion 512 a. In this embodiment, the fixing portion 512a is in the shape of a rectangular clamping plate, and two screw holes 512a are arranged in parallel along the length direction of the fixing portion 512, so as to enhance the stability of the first friction plate 51. In another embodiment, the fixing portion 51 may be bonded to the holder or may be engaged with the holder.

In the present embodiment, the second friction plate 52 is provided in the same manner as the first friction plate 51, except that the second friction plate 51 provides a frictional force on a side close to the first friction plate 52, and the second friction plate 52 is rotatable relative to the first friction plate 41 by an external force. In other embodiments, the second friction plate may also be a fixed block proxy, and a friction surface is disposed on a side of the fixed block close to the first friction plate.

In another embodiment, a third friction plate (not shown) may be disposed between the bracket 20 and the shaft fixing portion 11, and the third friction plate is sleeved on the shaft 30 and fixed to the bracket 20. The damping force between the bracket 20 and the housing 10 is increased by friction between the bracket 20 and the shaft fixing portion 11.

Further, the second damping assembly 50 further includes a second elastic member 53 and a locking member 54, the locking member 54 is fixed to the second end 32, and the second elastic member 53 is compressed between the locking member 54 and the second friction plate 52 to provide an elastic force of the second friction plate 52 against the first friction plate 51.

In this embodiment, the second elastic member 53 is compressed between the locking member 54 and the second friction plate 52, and the elastic force of the second elastic member 53 forces the second friction plate 52 to press against the first friction plate 51, so that a pressure is generated on the contact surface between the second friction plate 52 and the second friction plate 51, and thus, when the second friction plate 52 moves relative to the second friction plate 51, the second friction plate 52 and the first friction plate 51 both receive a large frictional force. The first friction plate 51 is utilized to fixedly connect the support 20, and the second friction plate 52 fixes the rotating shaft 30 and the casing 10, so that when the casing 10 rotates relative to the support 20, friction force exists, and therefore, after the casing 10 is adjusted to rotate by a preset angle, the casing 10 can be fixed relative to the support 20, and further adjustment of the light source irradiation angle is realized.

In this embodiment, the locking member 54 fixes an end of the second elastic member 53 away from the second friction plate 52, and the distance from the locking member 54 to the bracket 20 is adjusted, so that the elastic force of the second elastic member 54 can be adjusted, and the friction force between the first friction plate 51 and the second friction plate 52 can be adjusted, thereby facilitating adjustment of the damping coefficient between the bracket 20 and the housing 10.

In this embodiment, the locking member 54 is provided with a second locking hole 541, and the second end 32 is locked into the second locking hole 543. The second locking hole 541 may have the same structure as the first locking hole 111, and the distance between the locking member 54 and the bracket 20 may be adjusted, that is, the elastic force of the second elastic member 53 may be adjusted.

Further, the elastic member 53 includes a first butterfly spring 531 and a second butterfly spring 532 that are overlapped together, and both the first butterfly spring 531 and the second butterfly spring 532 are sleeved on the rotating shaft 30.

In this embodiment, the deformation directions of the first butterfly-shaped elastic piece 531 and the second butterfly-shaped elastic piece 532 are opposite, so that the elastic forces of the first butterfly-shaped elastic piece 531 and the second butterfly-shaped elastic piece 532 are superposed, the force of the second friction piece 52 against the first friction piece 51 is greater, the damping force between the shell 10 and the bracket 20 is increased, and the rotation angle of the shell 10 is more conveniently adjusted. In other embodiments, the elastic member may be replaced by a rectangular spring.

Further, the first end 31 is provided with threads, and the first end 31 is screwed with the housing 10. Specifically, first locking hole 111 is the screw hole, first end 31 screw in behind the first locking hole 111, realize the fixed of first end 31, through first pin 113 makes the locking of first end 31 is more firm.

Further, the second end 32 is threaded, and the second end 32 is threadedly coupled to the retaining member 54. In this embodiment, the locking member 54 is a nut, the second locking hole 541 is a threaded hole, and the second end 32 is screwed into the locking member 54, so as to fixedly connect the locking member 54 and the second end 32.

The invention also provides a lamp (not shown), which comprises the light source double damping structure 100 and a light source (not shown) fixed in the shell 10, wherein the light source can be an L ED lamp, a fluorescent lamp or a laser lamp, the light source is accommodated in the cavity 10a of the shell 10 and emits light towards the opening end of the cavity 10a, the shell 10 is adjusted to rotate relative to the bracket 20, so that the adjustment of the irradiation direction of the light source is realized, so that the multi-angle irradiation of the lamp is realized, the lamp can also comprise a moving structure, and the moving structure can be arranged on the bracket 20, so that the lamp can be conveniently moved, and the multi-field use of the lamp is met.

While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a double damping structure of light source, its characterized in that, the double damping structure of light source, including casing, support, pivot, first damping subassembly and second damping subassembly, the casing is used for installing the light source, be equipped with the ratchet on the casing, the support corresponds the geometric centre line of ratchet is equipped with the through-hole, the pivot includes first end, and relative the second end that first end set up, first end fixed connection ratchet, and with the coaxial setting of ratchet, the second end passes the through-hole, rotate to connect in the support, first damping subassembly includes fixing base, first elastic component and locating pin, the fixing base is fixed in the support to be equipped with towards the sliding hole of the week side extension of ratchet, locating pin sliding connection in the sliding hole, the locating pin is close to ratchet one end support hold in week side of ratchet, the first elastic piece is compressed between the positioning pin and the fixed seat to provide elastic force for the positioning pin to support against the ratchet wheel, and the second damping assembly is connected between the second end and the bracket to prevent the rotating shaft from rotating relative to the bracket; the second damping assembly comprises a first friction plate and a second friction plate, the first friction plate and the second friction plate are sleeved at the second end, the first friction plate is fixedly connected with the support, and the second friction plate is fixedly connected with the rotating shaft.

2. The light source double damping structure according to claim 1, wherein the ratchet wheel is provided with a first locking hole, a first pin hole is formed in a side wall of the first locking hole, a first pin is arranged in the first pin hole, the first end is locked in the first locking hole, and the first pin fixes the first end.

3. The dual damping structure of a light source as claimed in claim 2, wherein the ratchet comprises a plurality of arc-shaped grooves arranged around the ratchet, the positioning pin is provided with an arc-shaped boss near one end of the ratchet, and the arc-shaped boss is matched with the plurality of arc-shaped grooves.

4. The light source double-damping structure according to claim 3, wherein the fixing seat includes a supporting plate and a cover plate, the supporting plate is fixed to the bracket, the sliding hole penetrates through the supporting plate, the cover plate is fixedly connected to the supporting plate and covers one end of the sliding hole away from the ratchet wheel, the first elastic member is accommodated in the sliding hole, and one end of the first elastic member away from the ratchet wheel abuts against the cover plate.

5. The light source dual damping structure of claim 1, wherein the second damping assembly further comprises a second resilient member and a retaining member, the retaining member being secured to the second end, the second resilient member being compressed between the retaining member and the second friction plate to provide a resilient force of the second friction plate against the first friction plate.

6. The light source dual damping structure of claim 1, wherein the first end is threaded and the first end is threaded to the ratchet.

7. The light source dual damping structure of claim 5, wherein the second end is threaded and the retaining member is threadably engaged with the second end.

8. The dual damping structure of a light source as claimed in claim 1, wherein a third friction plate is disposed between the bracket and the fixing portion of the rotating shaft, and the third friction plate is sleeved on the rotating shaft and fixed to the bracket.

9. A lamp, characterized in that, the lamp claims 1 to 8 of the light source double damping structure, the lamp also includes a light source, the light source is fixed in the shell.