CN206803029U - A kind of optical system of screw drive structure and the application drive mechanism - Google Patents
A kind of optical system of screw drive structure and the application drive mechanism Download PDFInfo
- Publication number
- CN206803029U CN206803029U CN201720376663.2U CN201720376663U CN206803029U CN 206803029 U CN206803029 U CN 206803029U CN 201720376663 U CN201720376663 U CN 201720376663U CN 206803029 U CN206803029 U CN 206803029U
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- sliding members
- adjustment ring
- rotating adjustment
- drive structure
- screw drive
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Abstract
The utility model discloses the optical system of a kind of screw drive structure and the application drive mechanism.The screw drive structure includes sliding members, and it is set in the rotating adjustment ring of the sliding members outer ring, the rotating adjustment ring is set in the outside of the sliding members and is threadedly coupled with the sliding members, the rotating adjustment ring has internal thread, the sliding members has external screw thread, the sliding members includes several circumferentially spaced thread segments, the thread segment forms the external screw thread of at least one circle interruption, the internal thread and externally threaded tooth form are trapezoidal or rectangle, the rotating adjustment ring set can rotate relative to the sliding members, the sliding members is promoted to slide axially.Screw drive structure of the present utility model, using threaded connection between rotating adjustment ring and sliding members, and the tooth form of screw thread uses trapezoidal or rectangle so that has higher transmission efficiency, i.e. rotating adjustment ring rotates a circle, and sliding members just has longer rectilinear path.
Description
Technical field
The utility model belongs to lighting technical field, more particularly to a kind of screw drive structure and the application drive mechanism
Optical system.
Background technology
Shot-light is a kind of common lighting device, and light direct irradiation is dashed forward on the article to require emphasis with reaching emphasis
The effect gone out.There is the shot-light of some adjustable focus in the market, the focusing structure in it generally comprise be socketed in it is interior in light bulb
Sleeve and outer sleeve, light bulb are relatively fixed with outer sleeve, and inner sleeve can slide relative to outer sleeve.Entered using this focusing structure
Row focusing, beam angle from maximum angle is adjusted to minimum angles, it is necessary to rotating a few could realize that transmission efficiency is relatively low, operates
It is inconvenient.
Screw drive structure is a kind of structure that rotary motion is changed into linear motion, and it is a kind of normal in industrial circle
The application structure seen.Existing screw drive structure, it is divided into triangle thread, rectangular thread, ladder by its cross sectional shape (tooth form)
Shape screw thread, saw-tooth thread and other special shape screw threads.Trapezoidal thread is generally used for the transmission compared with heavy articles, in small volume
Industrial goods on, typically using triangle thread be used for connect.So far there are no trapezoidal thread is applied to the focusing of shot-light
Structure.
Utility model content
The purpose of this utility model is to solve the above problems, there is provided a kind of screw drive structure, transmission efficiency are higher.
To achieve the above object, the utility model provides a kind of screw drive structure, including sliding members and is set in institute
State the rotating adjustment ring of sliding members outer ring, the rotating adjustment ring be set in the outside of the sliding members and with the slip
Element is threadedly coupled, and the rotating adjustment ring has internal thread, and the sliding members has external screw thread, and the sliding members includes
Circumferentially spaced thread segment, the thread segment form the external screw thread of at least one circle interruption, the internal thread for several
It is trapezoidal or rectangle with externally threaded tooth form, the rotating adjustment ring set can rotate relative to the sliding members, described in promotion
Sliding members slides axially.
Further, the stroke of the sliding members is the internal thread or externally threaded 2-4 times.
Further, the internal thread or externally threaded tooth for 4mm, the rotating adjustment ring rotation away from turning around, the cunning
The stroke of dynamic element is 8mm.
Further, the internal thread or externally threaded tooth for 2mm, the rotating adjustment ring rotation away from turning around, the cunning
The stroke of dynamic element is 8mm.
Further, the screw drive structure also includes sliding groove structure, and the sliding members is in the sliding groove structure
Slide, the thread segment is threadedly coupled by the outside for extending chute on the inside of the chute with the rotating adjustment ring.
Further, order is progressive vertically or retreats for the position of several thread segments.
Further, the outside wall surface of the rotating adjustment ring is provided with rotating part.
To achieve the above object, the utility model provides a kind of optical system of the application screw drive structure, the light
System includes the first lens and first for being fixed on the luminescence component of the sliding members front end and the covering luminescence component
Lens keep certain distance and fixed second lens, promote sliding members to slide vertically by the rotating adjustment ring
It is dynamic, to adjust the beam angle of the optical system.
Further, first lens and the second lens for the adjustable range of the beam angle of luminescence component at 8 ° -40 °
Between.
Compared to prior art, screw drive structure of the present utility model, used between rotating adjustment ring and sliding members
Threaded connection, and the tooth form of screw thread uses trapezoidal or rectangle so that there is higher transmission efficiency, i.e. rotating adjustment ring rotates one
Circle, sliding members just have longer rectilinear path.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms one of the present utility model
Point, schematic description and description of the present utility model is used to explain the utility model, does not form to of the present utility model
Improper restriction.In the accompanying drawings：
Fig. 1 is the stereogram for the shot-light that the utility model embodiment provides；
The shot-light exploded view that the utility model embodiment that Fig. 2 is Fig. 1 provides；
The further exploded view for the shot-light that the utility model embodiment that Fig. 3 is Fig. 2 provides；
Fig. 4 is first position schematic diagram of the sliding members for the shot-light that the utility model embodiment provides in lamp body；
Fig. 5 is second place schematic diagram of the sliding members for the shot-light that the utility model embodiment provides in lamp body；
Fig. 6 is the optical cable of the light source module group for the shot-light that the utility model embodiment provides；
Fig. 7 is the further exploded view of Fig. 6 light source module group；
Fig. 8 is the schematic diagram of the sliding members in the shot-light that the utility model embodiment provides；
Fig. 9 is the schematic diagram of another angle of Fig. 8 sliding members；
Figure 10 is the side view of Fig. 8 sliding members；
Figure 11 is the sectional view of the line A-A along Fig. 1.
Embodiment
It is specific below in conjunction with the utility model to make the purpose of this utility model, technical scheme and advantage clearer
Technical solutions of the utility model are clearly and completely described for embodiment and corresponding accompanying drawing.Obviously, described embodiment
Only it is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, this area
The every other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to the utility model
The scope of protection.
As shown in Figure 1 to 11, present embodiments provide a kind of shot-light 100, including lamp body 1, be arranged in lamp body 1 and can
Along lamp body 1 in axial sliding light source module group, be fixed on the first lens 4 of the front end of lamp body 1, be set in the outer ring of lamp body 1 rotation adjust
Section ring 7 and the protecgulum 8 being connected with lamp body 1.Wherein, light source module group includes sliding members 2, is fixed on lighting on sliding members 2
Component 3 and the second lens 6 for being covered in the top of luminescence component 3.Specifically, rotating adjustment ring 7 is set in the outer of sliding members 2
Portion, it can rotate relative to lamp body 1, so as to promote sliding members 2 to be slid axially in lamp body 1, with adjust luminescence component 3 with
The distance between second lens 5, and then adjust the beam angle of shot-light 100.
As shown in figure 3, lamp body 1 is cylindrical shape, it is made up of metal material.If offered in the side wall of lamp body 1 along longitudinal direction
Dry chute 11, circumferentially-spaced arrangement of several chutes 11 along lamp body 1.Chute 11 runs through the side wall of lamp body 1.In this implementation
In example, the quantity of chute 11 is arranged to 4.
As shown in Fig. 4 and Figure 11, the shot-light 100 of the present embodiment also includes a support member 5, and support member 5 is connected to lamp body 1
Front end.Support member 5 is an annular ring, and it is made up of metal material, including several branch protruded by the outer surface of its side wall
The front end face 520 of bracer 51 and one, each support block 51 is connected in chute 11 and positioned at the front end of chute 11 respectively, for that will slide
The front end of groove 11 keeps softened state, promotes sliding members 2 successfully to be slided in chute 11.
As shown in Fig. 6, Fig. 7 and Figure 11, light source module group includes sliding members 2, the luminescence component being fixed on sliding members 2
3 and it is covered in the second lens 6 of the top of luminescence component 3.
As shown in Fig. 8 to Figure 10, sliding members 2 is circular block, and it is located at the inside of lamp body 1.Sliding members 2 includes pedestal
20, the front end of pedestal 20 is provided with a circular depressed part 21, and the wall outer surface of pedestal 20 is protruding with several sliding blocks 22, if
Dry outer surface circumferential array of the sliding block 22 along pedestal 20.Specifically, depressed part 21 is used to house luminescence component 3, depressed part 21
Bottom surface be provided with several first through hole 211 through pedestal 20, the side wall of depressed part 21 is provided with several grooves 212.
Sliding block 22 is strip, and sliding block 22 is located in chute 11 and can moved axially back and forth in the interior edge of chute 11, for example, sliding block 22 can be from figure
First position forward slip shown in 4 is to the second place as shown in Figure 5.In the present embodiment, the quantity of sliding block 22 is arranged to 4
It is individual.
Each sliding block 22 is provided with a thread segment, i.e., in the present embodiment, is provided with 4 thread segments, including along lamp
The first thread segment 221, the second thread segment 222, the 3rd thread segment 223 and the 4th thread segment 224 of the circumferentially-spaced arrangement of body 1.
Specifically, the thread segment that the structure of each thread segment is different, the first thread segment 221, the second thread segment 222, the 3rd thread segment 223
Order is progressive vertically or retreats with the 4th thread segment 224, forms a circle external screw thread 220, so that sliding members 2 and rotation
It is threadedly coupled between regulation ring 7.The tooth form section of screw thread is trapezoidal or rectangle.In the present embodiment, the stroke of sliding members 2 is set
Be set to 8mm, when screw thread tooth away from for 4mm when, the dextrorotation of rotating adjustment ring 7 is turned around, sliding members 2 be complete setting
8mm strokes, front end is slid into by rearmost end；When screw thread tooth away from for 2mm when, the dextrorotation of rotating adjustment ring 7 takes two turns, sliding
Dynamic element 2 is the 8mm strokes for completing setting, and front end is slid into by rearmost end.
As shown in Fig. 6, Fig. 7 and Figure 11, luminescence component 3 is contained in depressed part 21, and it includes substrate 31, is arranged on substrate 31
The luminescence unit 32 of side.Substrate 31 is provided with several the second through holes 311 for running through substrate 31.The shot-light 100 of the present embodiment
Also include screw 33, luminescence component 3 is connected simultaneously by screw 33 through the second through hole 311 and first through hole 211 with sliding members 2
Linkage.
Second lens 6 can link with sliding members 2.In the present embodiment, the second lens 6 are dome shape, and its outer surface is near
Several projections 410 are provided with lower end, the projection 410 is housed in groove 212, by the second consolidating on sliding members 2 of lens 6
It is fixed.
As in figs. 3 and 11, rotating adjustment ring 7 is cylindrical shape, and it is connected between protecgulum 8 and lamp body 1, specifically,
Rotating adjustment ring 7 is set in the periphery of lamp body 1 and its front end insertion protecgulum 8.The inwall of rotating adjustment ring 7 is provided with some circles
Screw thread 710, its outer wall are provided with rotating part 72.Internal thread 710 is threadedly coupled with external screw thread 220, can be manually rotated the band of rotating part 72
Dynamic rotating adjustment ring 7 turns clockwise, and promotes sliding block 21 to move forward, so as to shorten between the lens 4 of luminescence component 3 and first
Distance.Conversely, the rotate counterclockwise of rotating adjustment ring 7, sliding block 21 are moved rearwards, can extend between the lens 4 of luminescence component 3 and first
Distance.Rotating part 72 includes some vertical anti-slip tanks 721, plays the effect anti-skidding when holding rotation.
As shown in figs. 2 and 11, protecgulum 8 is cylindrical shape, and it is made up of metal material.The madial wall of protecgulum 8 is formed with one
Step 81 is enclosed, an annular locating surface 811 is formed with this.Protecgulum 8 is set in the periphery of the fore-end of rotating adjustment ring 7,
Specifically, its madial wall is bonded with the lateral wall of rotating adjustment ring 7, rotating adjustment ring 7 can rotate along the madial wall of protecgulum 8.
As shown in figs. 2 and 11, the first lens 4 are connected to fixed between support member 4 and protecgulum 7, in the present embodiment
In, the first lens 4 are circle.Specifically, the second lens 5 are connected to the front end face 420 of support member 4 and the locating surface 711 of protecgulum 4
Between.Second lens 5 are fixed relative to lamp body 1.By adjusting the distance between the second lens 6 and the second lens 5,
The beam angle for the light being finally emitted by the second lens 5 can be adjusted, obtains uniform hot spot.Also, use two lens pair
Luminescence unit 32 carries out luminous intensity distribution, has higher luminous efficiency.In the present embodiment, sliding members 2 drives the second lens 6 from most
Rear end slides into front end, the beam angle of shot-light 100 can be expanded into 36 ° from 10 °.In other interchangeable embodiments,
The adjustable range of beam angle can also be between 8 ° -40 °.
Shot-light of the present utility model, promote sliding members 2 to be slid axially in lamp body 1 by rotating adjustment ring 7, slide
The sliding distance of element 2 is no more than the length of lamp body 1 so that shot-light 100 has fixed profile, and positioning stablity.Shot-light 100
Interior screw drive structure, using threaded connection between rotating adjustment ring 7 and sliding members 2, and the tooth form of screw thread is using trapezoidal
Or rectangle so that there is higher transmission efficiency, i.e. rotating adjustment ring 7 rotates a circle, and sliding members just has longer linear rows
Journey.
Above-described instantiation, the purpose of this utility model, technical scheme and beneficial effect are carried out further
Describe in detail, should be understood that and the foregoing is only specific embodiment of the utility model, be not limited to this reality
It is all within the spirit and principles of the utility model with new, any modification, equivalent substitution and improvements done etc., it all should include
Within the scope of protection of the utility model.
Claims (9)
1. a kind of screw drive structure, it is characterised in that including sliding members and be set in the rotation of the sliding members outer ring
Regulation ring, the rotating adjustment ring are set in the outside of the sliding members and are threadedly coupled with the sliding members, the rotation
Turning regulation ring has internal thread, and the sliding members has external screw thread, and the sliding members is circumferentially spaced including several
The thread segment of arrangement, the thread segment form the external screw thread of at least one circle interruption, and the internal thread and externally threaded tooth form are ladder
Shape or rectangle, the rotating adjustment ring set can rotate relative to the sliding members, promote the sliding members to slide axially.
2. screw drive structure according to claim 1, it is characterised in that the stroke of the sliding members is the interior spiral shell
Line or externally threaded tooth away from 2-4 times.
3. screw drive structure according to claim 2, it is characterised in that the internal thread or externally threaded tooth away from for
4mm, the rotating adjustment ring rotation are turned around, and the stroke of the sliding members is 8mm.
4. screw drive structure according to claim 2, it is characterised in that the internal thread or externally threaded tooth away from for
2mm, the rotating adjustment ring rotation are turned around, and the stroke of the sliding members is 8mm.
5. screw drive structure according to claim 1, it is characterised in that the screw drive structure also includes chute knot
Structure, the sliding members slide in the sliding groove structure, and the thread segment is by extending the outer of chute on the inside of the chute
Side is threadedly coupled with the rotating adjustment ring.
6. screw drive structure according to claim 1, it is characterised in that the position of several thread segments is vertically
Sequentially progressive or retrogressing.
7. screw drive structure according to claim 1, it is characterised in that the outside wall surface of the rotating adjustment ring is provided with rotation
Transfer part.
A kind of 8. optical system of screw drive structure using any one of claim 1 to 7, it is characterised in that institute
State optical system include being fixed on the first lens of the luminescence component of the sliding members front end and the covering luminescence component, with
First lens keep certain distance and fixed second lens, and sliding members is promoted vertically by the rotating adjustment ring
Slide, to adjust the beam angle of the optical system.
9. the optical system of screw drive structure according to claim 8, it is characterised in that first lens and second
Lens for the beam angle of luminescence component adjustable range between 8 ° -40 °.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376663.2U CN206803029U (en) | 2017-04-11 | 2017-04-11 | A kind of optical system of screw drive structure and the application drive mechanism |
| PCT/CN2018/082386 WO2018188562A1 (en) | 2017-04-11 | 2018-04-09 | Thread transmission structure, optical system using transmission structure, and spotlight |
| US16/599,400 US11268677B2 (en) | 2017-04-11 | 2019-10-11 | Thread transmission structure, optical system and spotlight using the thread transmission structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720376663.2U CN206803029U (en) | 2017-04-11 | 2017-04-11 | A kind of optical system of screw drive structure and the application drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206803029U true CN206803029U (en) | 2017-12-26 |
Family
ID=60731926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720376663.2U Active CN206803029U (en) | 2017-04-11 | 2017-04-11 | A kind of optical system of screw drive structure and the application drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206803029U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188562A1 (en) * | 2017-04-11 | 2018-10-18 | 苏州欧普照明有限公司 | Thread transmission structure, optical system using transmission structure, and spotlight |
-
2017
- 2017-04-11 CN CN201720376663.2U patent/CN206803029U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018188562A1 (en) * | 2017-04-11 | 2018-10-18 | 苏州欧普照明有限公司 | Thread transmission structure, optical system using transmission structure, and spotlight |
| US11268677B2 (en) | 2017-04-11 | 2022-03-08 | Opple Lighting Co., Ltd. | Thread transmission structure, optical system and spotlight using the thread transmission structure |
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