CN207796930U - Lens focusing mechanism and lamps and lanterns - Google Patents
Lens focusing mechanism and lamps and lanterns Download PDFInfo
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- CN207796930U CN207796930U CN201721867735.XU CN201721867735U CN207796930U CN 207796930 U CN207796930 U CN 207796930U CN 201721867735 U CN201721867735 U CN 201721867735U CN 207796930 U CN207796930 U CN 207796930U
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- focusing
- lens
- sliding block
- fixed plate
- guide rail
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Abstract
The utility model discloses a kind of lens focusing mechanism and lamps and lanterns, wherein the lens focusing mechanism includes：Fixed plate, the second side that the fixed plate has first side and is oppositely arranged with first side；Motor, the motor are fixed on the first side of fixed plate；Transmission component, the second side for being installed on fixed plate, and motor provides driving force for transmission component；Focusing guide rail, the focusing guide rail are installed on the second side of fixed plate；Focusing sliding block, the focusing sliding block are movably installed on focusing guide rail, and sliding block of focusing is overlapped on transmission component, with the movement of transmission component edge focusing guide rail reciprocating motion；Lens, the lens are installed on focusing sliding block, and lens follow the movement of focusing sliding block and move.The technical solution of the utility model can realize the vertical shift of lens, improve the stability of lens focusing.
Description
Technical field
The utility model is related to lighting technical field more particularly to a kind of lens focusing mechanism and lamps and lanterns.
Background technology
In order to realize the focusing function of lamps and lanterns, focus adjusting mechanism is equipped in lamps and lanterns on the market.As shown in Figure 1, the focusing machine
Structure includes guide rod 11, screw sleeve 13, screw rod linear electric machine 12 and focusing lens 14,12 drive lens of screw rod linear electric machine, 14 edge
The direction of its screw shaft is focused, due to screw rod linear electric machine shaken during focusing it is larger so that lens are easy to tremble
It is dynamic, the problem for so causing the hot spot stability cast out bad.
In view of this, it is necessary to which current focusing structure is further improved in proposition.
Utility model content
To solve an above-mentioned at least technical problem, the main purpose of the utility model is to provide a kind of lens focusing mechanism.
To achieve the above object, the technical solution that the utility model uses for：A kind of lens focusing mechanism is provided, is wrapped
It includes：
Fixed plate, the second side that the fixed plate has first side and is oppositely arranged with first side；
Motor, the motor are fixed on the first side of fixed plate；
Transmission component, the second side for being installed on fixed plate, and motor provides driving force for transmission component；
Focusing guide rail, the focusing guide rail are installed on the second side of fixed plate；
Focusing sliding block, the focusing sliding block are movably installed on focusing guide rail, and sliding block of focusing is overlapped on transmission component,
To be moved back and forth along focusing guide rail with the movement of transmission component；
Lens, the lens are installed on focusing sliding block, and lens follow the movement of focusing sliding block and move.
Wherein, the transmission component includes synchronous driving wheel, synchronizing wheel and is set around in synchronous driving wheel and synchronizing wheel
Synchronous belt；
The motor driving synchronizes driving wheel rotation, and then passes through synchronous belt and drive synchronizing wheel rotation.
Wherein, the motor is stepper motor.
Wherein, further include the synchronous belt fastener being fixed on synchronous belt, the synchronous belt fastener is installed on focusing and slides
On block.
Wherein, the focusing sliding block is equipped with fixed block, and the lens and synchronous belt fastener are individually fixed in fixed block
On.
Wherein, the focusing guide rail is arranged along the length direction of fixed plate.
Wherein, the fixed plate is sheet metal component.
To achieve the above object, the technical solution that the utility model uses for：A kind of lamps and lanterns are provided, including above-mentioned
Lens focusing mechanism.
The technical solution of the utility model drives transmission mechanism movement by using stepper motor, and then passes through transmission mechanism
Band movable slider is moved along guide rail direction, specifically, when the positive counter-movement of stepper motor, can realize reciprocal fortune of the sliding block along guide rail
It is dynamic, in this way, the vertical focusing to lens can be realized with drive lens vertical shift, stepper motor movement can be reduced and shaken
It is dynamic, improve the stability of lens focusing.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of focus adjusting mechanism in the prior art；
Fig. 2 is the structural schematic diagram of one embodiment of the utility model lens focusing mechanism.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, shall fall within the protection scope of the present invention.
It is to be appreciated that the description of " first ", " second " etc. is used for description purposes only involved in the utility model, and cannot manage
Solution is instruction or implies its relative importance or implicitly indicates the quantity of indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.In addition, the skill between each embodiment
Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical solution
It will be understood that the combination of this technical solution is not present in conjunction with there is conflicting or cannot achieve when, also not in the utility model
It is required that protection domain within.
Fig. 2 is please referred to, in the utility model embodiment, the lens focusing mechanism, including：Fixed plate 20, motor, transmission
Component, focusing guide rail 51, focusing sliding block 52 and lens 40.Concrete structure is as follows：
Fixed plate 20, the second side that the fixed plate 20 has first side and is oppositely arranged with first side；
Motor, the motor are fixed on the first side of fixed plate 20；
Transmission component, the second side for being installed on fixed plate 20, and motor provides driving force for transmission component；
Focusing guide rail 51, the focusing guide rail 51 are installed on the second side of fixed plate 20；
Focusing sliding block 52, the focusing sliding block 52 are movably installed on focusing guide rail 51, and sliding block 52 of focusing is overlapped on biography
On dynamic component, to be moved back and forth along focusing guide rail 51 with the movement of transmission component；
Lens 40, the lens 40 are installed on focusing sliding block 52, and lens 40 follow the movement of focusing sliding block 52 and move
It is dynamic.
It is above-mentioned, it focuses sliding block 52 and lens 40 is located at the second side of fixed plate 20, which is specifically as follows
Sheet metal component.20 generally rectangular setting of fixed plate.Focusing guide rail 51 and focusing sliding block 52 form sliding equipment, with transmission group
Part is moved and is moved, and then 40 vertical and straight movement of drive lens, realizes the focusing to lens 40.
The technical solution of the utility model drives transmission mechanism movement by using stepper motor, and then passes through transmission mechanism
Band movable slider is moved along guide rail direction, specifically, when the positive counter-movement of stepper motor, can realize reciprocal fortune of the sliding block along guide rail
It is dynamic, in this way, the vertical focusing to lens 40 can be realized with 40 vertical shift of drive lens, stepper motor fortune can be reduced
It is dynamic to shake, improve the stability that lens 40 are focused.
In a specific embodiment, the transmission component includes synchronous driving wheel 33, synchronizing wheel 31 and is set around synchronization
Synchronous belt 32 on driving wheel 33 and synchronizing wheel 31；
The motor driving synchronizes driving wheel 33 and rotates, and then passes through synchronous belt 32 and synchronizing wheel 31 is driven to rotate.
Specifically, the motor is stepper motor, the shaft of stepper motor stretches out the second side of fixed plate 20, and synchronous
Driving wheel 33 is sleeved in shaft, in this way, synchronous driving wheel 33 can be driven positive by the positive and negative rotation of synchronous motor and reversed fortune
It is dynamic, and then 31 positive counter-movement of synchronizing wheel is driven by synchronous belt 32, realize the up and down motion of focusing sliding block 52.
Further include the synchronous belt fastener 34 being fixed on synchronous belt 32, the synchronous belt in a specific embodiment
Fastener 34 is installed on focusing sliding block 52.
Specifically, the synchronous belt fastener 34 can be the fixing buckle being clamped on synchronous belt 32, so that sliding block is with companion
It walks the movement of band 32 and moves.
In a specific embodiment, the focusing sliding block 52 is equipped with fixed block 41, and the lens 40 and synchronous belt are tight
Firmware 34 is individually fixed on fixed block 41.The fixed block 41 is conducive to the installation of lens 40 and synchronous belt fastener 34.
Wherein, the focusing guide rail 51 is arranged along the length direction of fixed plate 20.In this way, lens focusing mechanism can be made
Focusing range is larger, has preferably focusing performance.
In the embodiments of the present invention, the lamps and lanterns, including above-mentioned lens focusing mechanism, lens focusing mechanism it is specific
Mechanism please refers to the above embodiments, and details are not described herein again.Since the lamps and lanterns of this programme use above-mentioned lens focusing mechanism,
Therefore lamps and lanterns at least have the advantages that all and effect of lens focusing mechanism.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
Under every utility model in the utility model is conceived, equivalent structure made based on the specification and figures of the utility model
Transformation, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (8)
1. a kind of lens focusing mechanism, which is characterized in that the lens focusing mechanism includes：
Fixed plate, the second side that the fixed plate has first side and is oppositely arranged with first side；
Motor, the motor are fixed on the first side of fixed plate；
Transmission component is installed on the second side of fixed plate, and motor provides driving force for transmission component；
Focusing guide rail, the focusing guide rail are installed on the second side of fixed plate；
Focus sliding block, the focusing sliding block be movably installed in focusing guide rail on, and focusing sliding block be overlapped on transmission component, with
The movement of transmission component is moved back and forth along focusing guide rail；
Lens, the lens are installed on focusing sliding block, and lens follow the movement of focusing sliding block and move.
2. lens focusing mechanism as described in claim 1, which is characterized in that the transmission component includes synchronous driving wheel, same
Synchronous belt step wheel and be set around in synchronous driving wheel and synchronizing wheel；
The motor driving synchronizes driving wheel rotation, and then passes through synchronous belt and drive synchronizing wheel rotation.
3. lens focusing mechanism as claimed in claim 2, which is characterized in that the motor is stepper motor.
4. lens focusing mechanism as described in claim 1, which is characterized in that further include that the synchronous belt that is fixed on synchronous belt is tight
Firmware, the synchronous belt fastener are installed on focusing sliding block.
5. lens focusing mechanism as claimed in claim 4, which is characterized in that the focusing sliding block is equipped with fixed block, described
Lens and synchronous belt fastener are individually fixed on fixed block.
6. lens focusing mechanism as claimed in claim 5, which is characterized in that length direction of the focusing guide rail along fixed plate
Setting.
7. lens focusing mechanism as claimed in claim 6, which is characterized in that the fixed plate is sheet metal component.
8. a kind of lamps and lanterns, which is characterized in that the lamps and lanterns include lens focusing mechanism as described in any one of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721867735.XU CN207796930U (en) | 2017-12-26 | 2017-12-26 | Lens focusing mechanism and lamps and lanterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721867735.XU CN207796930U (en) | 2017-12-26 | 2017-12-26 | Lens focusing mechanism and lamps and lanterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207796930U true CN207796930U (en) | 2018-08-31 |
Family
ID=63280161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721867735.XU Active CN207796930U (en) | 2017-12-26 | 2017-12-26 | Lens focusing mechanism and lamps and lanterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207796930U (en) |
-
2017
- 2017-12-26 CN CN201721867735.XU patent/CN207796930U/en active Active
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