CN222068349U - Multilayer focusing structure - Google Patents
Multilayer focusing structure Download PDFInfo
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- CN222068349U CN222068349U CN202420859516.0U CN202420859516U CN222068349U CN 222068349 U CN222068349 U CN 222068349U CN 202420859516 U CN202420859516 U CN 202420859516U CN 222068349 U CN222068349 U CN 222068349U
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- guide rod
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- lens assembly
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- guide
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- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 241001465382 Physalis alkekengi Species 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
本实用新型涉及灯具技术领域，公开了一种多层调焦结构，外圈透镜组件内设有与内圈透镜组件滑动配合的内腔，导杆组件包括第一导杆和第二导杆，第一导杆的上端与内圈透镜组件连接，第二导杆的上端与外圈透镜组件连接，第一导杆的下端与第二导杆的下端均能穿设过底座，第一导杆上或第二导杆上设有与第二导杆或者第一导杆滑动配合的滑槽，内圈驱动器与外圈驱动器均设置在底座上，内圈驱动器的输出端与内圈透镜组件的底部连接，外圈驱动器的输出端与外圈透镜组件的底部连接；本实用新型中的第一导杆与第二导杆相互限位，保证内圈透镜组件与外圈透镜组件稳定地上下升降，避免调焦时出现卡顿与抖动，保证了内圈透镜组件与外圈透镜组件的光斑同心度。
The utility model relates to the technical field of lamps and lanterns, and discloses a multi-layer focusing structure. An inner cavity which is slidably matched with an inner ring lens assembly is provided in an outer ring lens assembly. The guide rod assembly comprises a first guide rod and a second guide rod. The upper end of the first guide rod is connected with the inner ring lens assembly, the upper end of the second guide rod is connected with the outer ring lens assembly, the lower end of the first guide rod and the lower end of the second guide rod can both pass through a base. A sliding groove which is slidably matched with the second guide rod or the first guide rod is provided on the first guide rod or the second guide rod. The inner ring driver and the outer ring driver are both arranged on the base. The output end of the inner ring driver is connected with the bottom of the inner ring lens assembly, and the output end of the outer ring driver is connected with the bottom of the outer ring lens assembly. The first guide rod and the second guide rod in the utility model limit each other, so as to ensure that the inner ring lens assembly and the outer ring lens assembly can be stably lifted up and down, avoid jamming and shaking during focusing, and ensure the concentricity of the light spot of the inner ring lens assembly and the outer ring lens assembly.
Description
Technical Field
The utility model relates to the technical field of lamps, in particular to a multilayer focusing structure.
Background
In the stage lighting field, in order to shape stage lighting with special effect, the distance of the light beam is usually required to be adjusted to achieve the best light effect, the distance of the light beam is adjusted by driving the lens to move through the motor to realize focusing, and meanwhile, the lens can be lifted up and down by being guided by the guide rod, but the motor can shake in work to a large extent, so that light spots irradiated by the lamp shake along with the light spots, and the actual use effect of the lamp is seriously affected.
Disclosure of utility model
The utility model aims to provide a multilayer focusing structure for preventing clamping and shaking during focusing, wherein an inner ring lens assembly and an outer ring lens assembly stably lift up and down.
In order to achieve the above object, the present utility model provides a multi-layer focusing structure, which comprises a base, an inner ring lens assembly, an outer ring lens assembly, a guide rod assembly, an inner ring driver and an outer ring driver, wherein an inner cavity which is in sliding fit with the inner ring lens assembly is arranged in the outer ring lens assembly, the guide rod assembly comprises a first guide rod and a second guide rod, the upper end of the first guide rod is connected with the inner ring lens assembly, the upper end of the second guide rod is connected with the outer ring lens assembly, the lower end of the first guide rod and the lower end of the second guide rod can penetrate through the base, a sliding groove which is in sliding fit with the second guide rod or the first guide rod is arranged on the first guide rod, the inner ring driver and the outer ring driver are both arranged on the base, the output end of the inner ring driver is connected with the bottom of the inner ring lens assembly and can drive the inner ring lens assembly to move up and down, and the output end of the outer ring driver is connected with the bottom of the outer ring lens assembly and can drive the outer ring lens assembly to move up and down.
As a preferable scheme of the utility model, the first guide rod is a cylindrical guide rod, the side wall of the second guide rod is provided with the chute in an arc notch shape, and the side wall of the cylindrical guide rod is matched with the chute in shape.
As a preferable scheme of the utility model, the guide rod assembly comprises a shaft sleeve fixing frame arranged on the base and a shaft sleeve arranged in the shaft sleeve fixing frame, and the shaft sleeve is provided with a matching cavity in sliding fit with the first guide rod and the second guide rod.
As a preferable aspect of the present utility model, the first guide bar is located at a side near the center of the base, and the second guide bar is located at a side far from the center of the base.
As a preferable scheme of the utility model, the guide rod assembly comprises four groups, and the first guide rods of the four groups of guide rod assemblies are uniformly connected to the inner ring lens assembly at intervals.
As a preferable scheme of the utility model, the inner ring driver and the outer ring driver are both screw rod motors.
As a preferable scheme of the utility model, the inner ring driver is arranged on the base through a shock-insulating rubber screw, and the outer ring driver is arranged on the base through a shock-insulating rubber screw.
As a preferable scheme of the utility model, two inner ring drivers are arranged, and the two inner ring drivers are symmetrically connected to the periphery of the inner ring lens assembly; the outer ring drivers are arranged in three, and the three outer ring drivers are uniformly connected to the periphery of the outer ring lens assembly at intervals.
Compared with the prior art, the multilayer focusing structure provided by the embodiment of the utility model has the beneficial effects that:
According to the utility model, the inner ring lens assembly and the outer ring lens assembly realize independent up-and-down lifting movement through the inner ring driver and the outer ring driver, when the inner ring lens assembly and the outer ring lens assembly are in lifting movement, the first guide rod and the second guide rod are in sliding fit through the sliding groove, the sliding groove plays a role in limiting the first guide rod and the second guide rod, the inner ring lens assembly and the outer ring lens assembly are ensured to stably lift up and down, the phenomenon of clamping and shaking during focusing is avoided, and meanwhile, a light spot generated by the inner ring lens assembly and a light spot generated by the outer ring lens assembly are in the same center, so that the concentricity of the light spot is ensured.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a multi-layer focusing structure provided by the present utility model;
FIG. 2 is a schematic diagram of a separation structure of an inner ring lens assembly and an outer ring lens assembly according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a multi-layer focusing structure provided by the present utility model;
FIG. 4 is a layout of a guide bar assembly provided by the present utility model;
FIG. 5 is a schematic view of a second guide bar according to the present utility model;
In the figure, a base 1; an inner ring lens assembly 2; an outer ring lens assembly 3; a guide rod assembly 4; a first guide bar 41; a second guide bar 42; a chute 421; a sleeve 43; a sleeve mount 44; an inner ring driver 5; an outer ring driver 6; and a shock-insulating rubber screw 7.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 5, a multi-layer focusing structure according to a preferred embodiment of the present utility model includes a base 1, an inner ring lens assembly 2, an outer ring lens assembly 3, a guide rod assembly 4, an inner ring driver 5 and an outer ring driver 6, wherein an inner cavity slidably matching with the inner ring lens assembly 2 is provided in the outer ring lens assembly 3, the guide rod assembly 4 includes a first guide rod 41 and a second guide rod 42, an upper end of the first guide rod 41 is connected with the inner ring lens assembly 2, an upper end of the second guide rod 42 is connected with the outer ring lens assembly 3, a lower end of the first guide rod 41 and a lower end of the second guide rod 42 can both pass through the base 1, a chute 421 slidably matching with the second guide rod 42 or the first guide rod 41 is provided on the first guide rod 41, the inner ring driver 5 and the outer ring driver 6 are both provided on the base 1, an output end of the inner ring driver 5 is connected with a bottom of the inner ring lens assembly 2 and can drive the lower end of the outer ring lens assembly 6 and can drive the lower end of the outer ring lens assembly 3 to move.
According to the utility model, the inner ring lens assembly 2 and the outer ring lens assembly 3 realize independent up-and-down lifting movement through the inner ring driver 5 and the outer ring driver 6, when the inner ring lens assembly 2 and the outer ring lens assembly 3 are in lifting movement, the first guide rod 41 and the second guide rod 42 are in sliding fit through the sliding groove 421, the sliding groove 421 plays a role in limiting the first guide rod 41 and the second guide rod 42, the inner ring lens assembly 2 and the outer ring lens assembly 3 are ensured to stably lift up and down, the occurrence of clamping and shaking during focusing is avoided, and meanwhile, the light spots generated by the inner ring lens assembly 2 and the light spots generated by the outer ring lens assembly 3 are in the same center, so that the concentricity of the light spots is ensured.
As shown in fig. 4 to 5, in this embodiment, the first guide rod 41 is a cylindrical guide rod, the side wall of the second guide rod 42 is provided with an arc-shaped notch-shaped chute 421, the side wall of the cylindrical guide rod is in shape fit with the chute 421, the first guide rod 41 and the second guide rod 42 are convenient to process, when the first guide rod 41 or/and the second guide rod 42 is lifted, the first guide rod 41 and the chute 421 of the second guide rod 42 are limited, the sliding fit is high, and the lifting stability of the inner ring lens assembly 2 and the outer ring lens assembly 3 is further improved.
Illustratively, the guide rod assembly 4 includes a shaft sleeve fixing frame 44 disposed on the base 1 and a shaft sleeve 43 disposed in the shaft sleeve fixing frame 44, the shaft sleeve 43 is provided with a matching cavity slidably matched with the first guide rod 41 and the second guide rod 42, the first guide rod 41 and the second guide rod 42 slide up and down in the same shaft sleeve 43, and the shaft sleeve 43 not only plays a limiting role on the first guide rod 41 and the second guide rod 42, so that the first guide rod 41 and the second guide rod 42 can be lifted up and down more stably, and installation accumulation tolerance can be reduced.
Illustratively, the first guide bar 41 is located on a side closer to the center of the base 1, and the second guide bar 42 is located on a side farther from the center of the base 1, and the structure guide bar structure is optimized such that; the guide rod assemblies 4 comprise four groups, and the first guide rods 41 of the four groups of guide rod assemblies 4 are uniformly connected to the inner ring lens assembly 2 at intervals, namely the second guide rods 42 of the four groups of guide rod assemblies 4 are uniformly connected to the outer ring lens assembly 3 at intervals, so that the guide effect on the inner ring lens assembly 2 and the outer ring lens assembly 3 can be uniformly achieved.
Illustratively, the inner ring driver 5 and the outer ring driver 6 are both through screw motors, and can perform long-stroke focusing operation.
The inner ring driver 5 is installed on the base 1 through the shock insulation rubber screws 7, the outer ring driver 6 is installed on the base 1 through the shock insulation rubber screws 7, vibration of the inner ring driver 5 and the outer ring driver 6 during operation is effectively relieved, and stability of the whole multi-layer focusing structure during operation is improved.
In this embodiment, two inner ring drivers 5 are provided, and the two inner ring drivers 5 are symmetrically connected to the outer periphery of the inner ring lens assembly 2; the outer ring driver 6 is provided with three, and three outer ring drivers 6 are evenly connected with the periphery of the outer ring lens assembly 3 at intervals, different numbers of drivers are arranged according to the sizes of different outer diameters, so that the cost can be saved, and the outer ring lens assembly 3 with the large outer diameter is additionally provided with one outer ring driver 6, so that the outer ring lens assembly 3 is ensured to be more stable to lift.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical scope of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.
Claims (8)
1. The utility model provides a multilayer focusing structure, its characterized in that includes base, inner circle lens subassembly, outer lane lens subassembly, guide arm subassembly, inner circle driver and outer lane driver, be equipped with in the outer lane lens subassembly with inner circle lens subassembly sliding fit's inner chamber, the guide arm subassembly includes first guide arm and second guide arm, the upper end of first guide arm with the inner circle lens subassembly is connected, the upper end of second guide arm with outer lane lens subassembly is connected, the lower extreme of first guide arm with the lower extreme of second guide arm homoenergetic is worn to establish the base, be equipped with on the first guide arm or on the second guide arm with second guide arm or first guide arm sliding fit's spout, the inner circle driver with outer lane driver all sets up on the base, the output of inner circle driver with the bottom of inner circle lens subassembly is connected and can drive the inner circle lens subassembly reciprocates, the output of outer lane driver with the bottom of outer circle lens subassembly is connected and can drive the lens subassembly reciprocates.
2. The multi-layer focusing structure of claim 1, wherein the first guide rod is a cylindrical guide rod, the side wall of the second guide rod is provided with the chute in the shape of an arc gap, and the side wall of the cylindrical guide rod is matched with the chute in shape.
3. The multi-layered focusing structure of claim 2, wherein the guide bar assembly comprises a sleeve holder provided on the base and a sleeve provided in the sleeve holder, the sleeve being provided with a fitting cavity slidably fitted with the first guide bar and the second guide bar.
4. The multi-layered focusing structure of claim 1, wherein the first guide bar is located on a side closer to a center of the base, and the second guide bar is located on a side farther from the center of the base.
5. The multi-layered focusing structure of claim 4, wherein the guide bar assembly comprises four sets, and first guide bars of the four sets of the guide bar assemblies are uniformly spaced apart from the inner ring lens assembly.
6. The multi-layered focusing structure of claim 1, wherein the inner ring driver and the outer ring driver are both lead screw motors.
7. The multi-layered focus mount of claim 1, wherein the inner ring driver is mounted to the base by a shock-absorbing rubber screw and the outer ring driver is mounted to the base by a shock-absorbing rubber screw.
8. The multi-layered focusing structure according to claim 1, wherein two of the inner ring drivers are symmetrically connected to the outer circumference of the inner ring lens assembly; the outer ring drivers are arranged in three, and the three outer ring drivers are uniformly connected to the periphery of the outer ring lens assembly at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420859516.0U CN222068349U (en) | 2024-04-23 | 2024-04-23 | Multilayer focusing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420859516.0U CN222068349U (en) | 2024-04-23 | 2024-04-23 | Multilayer focusing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222068349U true CN222068349U (en) | 2024-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420859516.0U Active CN222068349U (en) | 2024-04-23 | 2024-04-23 | Multilayer focusing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222068349U (en) |
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- 2024-04-23 CN CN202420859516.0U patent/CN222068349U/en active Active
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