CN210424895U

CN210424895U - Focusing device and lamp

Info

Publication number: CN210424895U
Application number: CN201921201448.4U
Authority: CN
Inventors: 马强; 庄国盛
Original assignee: Guangdong Yiyingzhuang Million Film Technology Co Ltd
Current assignee: Guangdong Yiyingzhuang Million Film Technology Co Ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-04-28
Anticipated expiration: 2029-07-26

Abstract

The utility model relates to the field of lighting technology, a focusing device and lamps and lanterns are disclosed, the utility model discloses an embodiment includes drive arrangement, connecting piece, light source and refraction piece, and the refraction piece is located the light-emitting side of light source, and has the clearance between refraction piece and the light source, and the one end of connecting piece is connected with drive arrangement's output, and the other end is connected with the refraction piece, and drive arrangement passes through the removal of connecting piece drive refraction piece, changes the size in clearance to play the effect of focusing.

Description

Focusing device and lamp

Technical Field

The utility model relates to the field of lighting technology, especially, relate to a focusing device and lamps and lanterns.

Background

The lighting device is a device which is visible everywhere, but most of the lighting devices are fixed in focal length, which makes one lighting device not capable of satisfying the use of different scenes and not flexible enough.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a focusing device and lamp can adjust lighting equipment's focus.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a focusing device, including drive arrangement, connecting piece, light source and refraction piece, the refraction piece sets up in the light-emitting side of light source, and has the clearance between refraction piece and the light source, and the one end of connecting piece is connected with drive arrangement's output, and the other end of connecting piece is connected with the refraction piece, and drive arrangement passes through the removal of connecting piece drive refraction piece, changes the size in clearance.

As the improvement of the technical scheme, the connecting piece comprises a screw rod, a first nut and a first gear, one end of the screw rod is in threaded connection with the first nut, the other end of the screw rod is fixedly connected with the refraction piece, an internal gear is arranged at the center of the first gear and is connected with the output end of the driving device, the first nut comprises a second gear, and the first gear is meshed with the second gear.

As a further improvement of the technical scheme, the gear box further comprises a knob, wherein a second nut is arranged on the screw rod and is connected with the screw rod in a matched mode, a third gear is arranged on the second nut, a fourth gear is connected to the knob, and the third gear is meshed with the fourth gear.

As a further improvement of the above solution, the second nut is arranged adjacent to the refractive element with respect to the first nut.

As a further improvement of the technical scheme, the light source and the refraction piece are arranged along the radial direction of the screw rod.

A lamp is also provided, including a focusing apparatus.

As the improvement of the technical scheme, the focusing device further comprises a shell, the focusing device is located in the shell, the refraction piece is located on the shell, and the refraction piece can be communicated with the outside.

As a further improvement of the above technical solution, a knob on the focusing device extends outward through the housing.

As a further improvement of the technical scheme, the device further comprises a switch device, wherein a switch is arranged on the switch device, and the switch device is detachably connected with the shell.

As a further improvement of the above technical solution, the switching device is connected with a heat dissipation device.

The utility model has the advantages that: because the refraction piece is connected with the driving device through the connecting piece, the distance between the refraction piece and the light source can be adjusted through the driving of the driving device, and therefore the effect of adjusting the focal length is achieved.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a side view of an embodiment of the present invention (with part of the housing omitted);

FIG. 2 is a schematic view of another angle of FIG. 1;

fig. 3 is a schematic view of a lamp mechanism according to an embodiment of the present invention.

Reference numerals: the light source device comprises a shell 100, a driving device 110, a connecting piece 120, a first gear 121, a first nut 122, a screw 123, a second gear 124, a switch device 300, a switch 310, a light source 400, a refraction element 500, a knob 600, a second nut 700, a third gear 800 and a fourth gear 900

Detailed Description

The conception, specific structure and technical effects of the present invention will be described clearly and completely with reference to the accompanying drawings and embodiments, so as to fully understand the objects, aspects and effects of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly fixed or connected to the other feature or indirectly fixed or connected to the other feature. Furthermore, the description of the upper, lower, left, right, front, rear, etc. used in the present invention is only relative to the mutual position relationship of the components of the present invention in the drawings.

Furthermore, unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any combination of one or more of the associated listed items.

The embodiment of the utility model discloses a focusing device, refer to fig. 1 and fig. 2, fig. 1 is the utility model discloses a side view (omitting partial casing 100) of an embodiment, fig. 2 is the schematic structure of another angle of fig. 1, including light source 400 in this implementation, refraction piece 500, drive arrangement 110 and connecting piece 120, light source 400 and the adjacent setting of refraction piece 500, and have the clearance between the two, the one end of connecting piece 120 is connected with drive arrangement 110's output, the other end is connected with refraction piece 500, drive connecting piece 120 through drive arrangement 110, connecting piece 120 drives refraction piece 500 and does the motion towards or keep away from light source 400, change the size of interval between the two, play the effect that can adjust the focus of the light that light source 400 sent.

As an embodiment, the connecting member 120 includes a first nut 122, a first gear 121 and a screw 123, the light source 400 and the refractive element 500 are both disposed along a radial direction of the screw 123, one end of the screw 123 is connected with the first nut 122 in a matching manner, the other end of the screw 123 is connected with the refractive element 500, an internal gear (not shown) is disposed in the center of the first gear 121, the internal gear is connected with an output end of the driving device 110 in a matching manner, and the first gear 121 is connected with a second gear 124 on the nut in a matching manner. When the driving device 110 starts to work, the first gear 121 is driven to rotate through the matching of the output end of the driving device 110 and the internal gear, the first nut 122 starts to rotate through the matching of the first gear 121 and the second gear 124, the screw 123 realizes the movement along the radial direction of the screw 123 through the matching of the first nut 122 and the screw 123, the refraction member 500 which is arranged along the radial direction of the screw 123 and connected with the screw 123 moves along the radial direction of the screw 123, the gap between the refraction member 500 and the light source 400 is adjusted, and the focal length is adjusted.

Referring to fig. 2, as a supplement to the above technical solution, a second nut 700 is further connected to the screw 123, the second nut 700 is disposed adjacent to the light source 400, the second nut 700 is connected to the screw 123 in a matching manner, a third gear 800 is disposed on an outer circumference of the second nut 700, a knob 600 is further connected to the focusing device, a fourth gear 900 is connected to one side of the knob 600 adjacent to the screw 123, and by matching the third gear 800 and the fourth gear 900, the third gear 800 can be driven to rotate by the fourth gear 900 through twisting of the knob 600, so that the second nut 700 is driven to rotate, the screw 123 moves in a radial direction thereof, and a distance between the refraction member 500 and the light source 400 is adjusted.

With reference to fig. 1, fig. 2 and fig. 3, the utility model also discloses a lamp, this lamp includes casing 100, light source 400, connecting piece 120, drive arrangement 110 and light source 400 all are located in the middle of casing 100, knob 600 among the focusing device passes casing 100 and extends to casing 100 outward for the function of manual focusing can be realized to knob 600 through adjusting on being located casing 100, refraction piece 500 is located casing 100, and is linked together with the outside of casing 100, the light that light source 400 sent passes through refraction piece 500, shine to the outside of casing 100.

The embodiment of the utility model discloses a still include switching device 300, switching device 300 is connected with casing 100 detachable, and switching device 300 can be fixed in on casing 100, is installed in a preset position with casing 100 and the inside components and parts of casing 100 together, and switching device 300 also can be installed with the components and parts in casing 100 and casing 100 separately, has switch 310 on switching device 300, and this switch 310 can control opening of drive arrangement 110 and stop.

The switch device 300 is further provided with a heat dissipation fan, the heat dissipation fan is located on the switch device 300, and the inside of the switch device 300 is communicated with the outside through the heat dissipation fan.

In the above embodiment, the first gear 121, the second gear 124, the third gear 800, and the fourth gear 900 are all bevel gears.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a focusing device, its characterized in that, includes drive arrangement, connecting piece, light source and refraction piece, the refraction piece set up in the light-emitting side of light source, just the refraction piece with the clearance has between the light source, the one end of connecting piece with drive arrangement's output is connected, the other end of connecting piece with the refraction piece is connected, drive arrangement passes through the connecting piece drive the refraction piece removes, changes the size in clearance.

2. The focusing device of claim 1, wherein the connecting member comprises a screw rod, a first nut and a first gear, one end of the screw rod is connected with the first nut through a thread, the other end of the screw rod is fixedly connected with the refraction member, an internal gear is arranged at the center of the first gear and connected with the output end of the driving device, the first nut comprises a second gear, and the first gear is meshed with the second gear.

3. The focusing device of claim 2, further comprising a knob, wherein a second nut is disposed on the screw, the second nut is connected with the screw in a matching manner, a third gear is disposed on the second nut, a fourth gear is connected with the knob, and the third gear is meshed with the fourth gear.

4. The focusing apparatus of claim 3, wherein the second nut is disposed adjacent the refractive member opposite the first nut.

5. The focusing apparatus of claim 2, wherein the light source and the refractive member are both disposed in a radial direction of the screw.

6. A luminaire comprising the focusing apparatus of any of claims 1 to 5.

7. The lamp of claim 6, further comprising a housing, wherein the focusing device is located in the housing, the refracting element is located on the housing, and the refracting element is capable of communicating with the outside.

8. The light fixture of claim 7, wherein a knob on the focus mount extends outwardly through the housing.

9. The light fixture of claim 7, further comprising a switch device, wherein the switch device is provided with a switch, and the switch device is detachably connected to the housing.

10. A light fixture as recited in claim 9, wherein a heat sink is coupled to the switching device.