CN213019134U - Focusing mechanism of stage lamp - Google Patents
Focusing mechanism of stage lamp Download PDFInfo
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- CN213019134U CN213019134U CN202021679006.3U CN202021679006U CN213019134U CN 213019134 U CN213019134 U CN 213019134U CN 202021679006 U CN202021679006 U CN 202021679006U CN 213019134 U CN213019134 U CN 213019134U
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Abstract
A focusing mechanism of a stage lamp relates to the technical field of stage lamps, and comprises a fixed support, wherein an imaging mirror is arranged at the top of the fixed support; the bottom of the focusing column is provided with a focusing mirror; the inner wall of the bottom of the focusing knob is provided with at least one group of square grooves, the outer side of the top of the focusing column is provided with at least one group of clamping columns, and the focusing knob is matched with the clamping columns of the focusing column through the square grooves, so that the focusing column is moved up and down by rotating the focusing knob, and the focusing knob is kept on the same horizontal plane all the time; the focusing mechanism of the stage lamp can adjust the distance between the imaging lens and the focusing lens by rotating the focusing knob, so that the focusing operation of the stage lamp is completed, the adjustment is convenient, meanwhile, the whole volume of the stage lamp is smaller, the stage lamp is integrally more compact, focusing failure rate of the stage lamp is low, and focusing failure cannot occur due to the fact that the focusing mechanism is not used for a long time.
Description
Technical Field
The invention relates to the technical field of stage lamps, in particular to a focusing mechanism of a stage lamp.
Background
Stage lighting is also called stage lighting, is called lighting for short, and is one of the means of stage art modeling. The stage lighting equipment (such as lighting lamps, slide projectors, control systems and the like) and technical means are used, along with the development of the scenario, the environment and the rendering atmosphere are displayed according to the light color and the change thereof, the central characters are highlighted, the space sense and the time sense of the stage are created, the external image of the stage performance is shaped, and necessary lighting effects (such as wind, rain, cloud, water and lightning) are provided. Stage lighting is an important component of the presentation space. The method is an artistic creation which carries out omnibearing visual environment light design on characters and required specific scenes according to the development of plots and purposefully reproduces design intentions to audiences in a visual image mode. The space modeling of characters and plots is comprehensively and systematically considered, modeling rules are strictly followed, and means are used. Stage lights generally require focusing to cause the stage lights to emit clear and appropriate light.
Present stage lamp focusing mode all removes through motor direct drive focusing mirror or imaging mirror usually, and then reaches the purpose of focusing, and this kind of drive mode is though comparatively convenient, but because needs motor and actuating mechanism's intercombination, makes the volume of the lamp of shaking the head great, and fixed place a bit, stage lamp focusing's number of times is less, and if do not focus the activity for a long time, probably leads to the card to die because its inside bearing of motor or impeller rust.
In view of these problems, how to provide a focusing mechanism of a stage lamp, which can be manually focused, is convenient to focus, and has a small overall size, is a technical problem to be solved by those skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: a focusing mechanism of a stage lamp comprises a fixed bracket;
the focusing knob is positioned in the center of the fixed support and penetrates through the fixed support, and the top of the focusing knob is provided with an imaging mirror;
the focusing column is positioned in the focusing knob and is connected with the focusing knob in a clamping way, and the bottom of the focusing column is provided with a focusing mirror;
the top of the positioning shell is connected with the bottom of the fixed bracket, the bottom of the positioning shell is connected with the focusing column through threads, the focusing column can move up and down,
the middle part of focusing knob with the fixed bolster junction is equipped with outside extension and is the annular boss of circle, and be equipped with on the fixed bolster with annular boss inlay card mutually and stops focusing knob down the caulking groove A of removal, be equipped with at least a set of square groove on focusing knob's the bottom inner wall, the top outside of focusing post is equipped with at least a set of card post, focusing knob pass through the square groove with the card post of focusing post cooperatees, causes rotatory focusing knob to cause the focusing post to keep when reciprocating focusing knob is in on same horizontal plane all the time.
Further, the bottom of location shell is equipped with the cylindricality boss to the outside extension of location shell bottom, and the cylindricality boss of inside extension, and cylindricality boss inner wall is equipped with screw thread strip A, the middle part of focusing post is equipped with screw thread strip B, screw thread strip A with screw thread strip B matches each other.
Further, the outer diameter of the column-shaped boss is equal to the inner diameter of the positioning shell.
Furthermore, at least one group of positioning blocks is arranged on the side part, close to the fixing support, of the positioning shell, positioning holes B are formed in the middle of each group of positioning blocks, at least one group of positioning holes A are formed in the bottom of the fixing support, and the positioning holes A and the positioning holes B are equal in number and are aligned with each other.
Further say that, the bottom of focusing post outwards extends and is equipped with the cylinder, the inner wall of cylinder is equipped with to the sunken annular caulking groove B that is in the cylinder outside, is equipped with the spacing post that sets up around the cylinder inner wall of at least a set of on the caulking groove B.
Preferably, the top of the focusing knob is provided with anti-slip lines.
Preferably, both ends of the thread strip a have arc surfaces, respectively.
Compared with the prior art, the invention can complete the adjustment of the distance between the imaging lens and the focusing lens by rotating the focusing knob outside the stage lamp, thereby completing the focusing operation of the stage lamp, and has convenient adjustment, smaller integral volume of the stage lamp, more compact integral stage lamp, no incapability of focusing caused by not using a focusing mechanism for a long time, and less failure rate of the stage lamp in focusing failure.
Drawings
FIG. 1 is a schematic structural view of a focusing mechanism of the stage lamp of the present invention;
FIG. 2 is an exploded view of the focusing mechanism of the stage lamp of the present invention;
FIG. 3 is a schematic structural view of a focusing knob of the focusing mechanism of the stage lamp according to the present invention;
FIG. 4 is a schematic structural view of a fixing bracket of the focusing mechanism of the stage lamp of the present invention;
FIG. 5 is a schematic structural view of a focusing post of the focusing mechanism of the stage lamp of the present invention;
FIG. 6 is a schematic structural view of a positioning housing of the focusing mechanism of the stage lamp of the present invention;
fig. 7 is a partial enlarged view of fig. 6 at a;
FIG. 8 is an exploded view of the focusing knob, the focusing post and the focusing mirror of the focusing mechanism of the stage lamp of the present invention;
fig. 9 is a cross-sectional view of the focusing mechanism of the stage lamp of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, a focusing mechanism of a stage lamp comprises a fixed bracket 1;
the focusing knob 2 is positioned in the center of the fixed support 1 and penetrates through the fixed support 1, and the top of the focusing knob 2 is provided with an imaging lens 5;
the focusing column 4 is positioned in the focusing knob 2, is clamped and connected with the focusing knob 2, and is provided with a focusing mirror 6 at the bottom;
the top of the positioning shell 3 is connected with the bottom of the fixed bracket 1, the bottom of the positioning shell is connected with the focusing column 4 in a threaded manner, the focusing column 4 can move up and down,
as shown in fig. 3-5 and 9, a connection between the middle of the focusing knob 2 and the fixing support 1 is provided with an annular boss 32 extending outward and having a ring shape, the fixing support 1 is provided with an embedded groove a12 embedded with the annular boss 32 and preventing the focusing knob 2 from moving downward, the inner wall of the bottom of the focusing knob 2 is provided with at least one set of square groove 21, the outer side of the top of the focusing column 4 is provided with at least one set of clamping columns 41, and the focusing knob 2 is matched with the clamping columns 41 of the focusing column 4 through the square groove 21, so that the focusing knob 2 is rotated to move up and down while the focusing column 4 is kept on the same horizontal plane all the time.
As shown in fig. 5-6, the bottom of the positioning shell 3 is provided with a column-shaped boss 32 extending outwards towards the bottom of the positioning shell 3, the column-shaped boss 32 extends inwards, the inner wall of the column-shaped boss 32 is provided with a thread strip a321, the middle part of the focusing column 4 is provided with a thread strip B42, and the thread strip a321 and the thread strip B42 are matched with each other. Through the matching of the thread strips A321 and B42, the focusing column 4 can be caused to move upwards or downwards during the rotation of the focusing column 4.
The outer diameter of the cylindrical boss 32 is equal to the inner diameter of the positioning shell 3.
As shown in fig. 4 and 6, at least one set of positioning blocks 31 is disposed on a side portion of the positioning shell 3 close to the fixing bracket 1, a positioning hole B311 is disposed in a middle portion of each set of positioning blocks 31, at least one set of positioning holes a13 is disposed at a bottom portion of the fixing bracket 1, and the number of the positioning holes a13 and the number of the positioning holes B311 are equal and aligned with each other. Through the cooperation of locating hole A13 and locating hole B311, pass the screw in proper order through locating hole B311 and locating hole A13, and then fix locating shell 3 in the bottom of fixed bolster 1, prevent to lead to the removal of locating shell 3 when focusing post 4 upwards or moves down.
As shown in fig. 5 and 8, a cylinder 43 extends outwards from the bottom of the focusing post 4, an annular caulking groove B431 which is recessed towards the outer side of the cylinder 43 is formed in the inner wall of the cylinder 43, and at least one set of limiting posts 432 which are arranged around the inner wall of the cylinder 43 are arranged on the caulking groove B431. Can effectively must fix focusing mirror 6, cause focusing mirror 6 to reciprocate the in-process at focusing post 4 and be difficult to drop from focusing post 4 bottom.
As shown in FIG. 3, the top of the focusing knob 2 is provided with an anti-slip pattern 23. Preventing the focusing knob 2 from slipping off when rotated.
As shown in fig. 7, both ends of the thread bar a321 have arc surfaces 3211, respectively. So that the focusing post 4 is smoother when rotating.
The specific implementation mode is as follows: the user can be outside at stage lamp with the hand direct rotation focusing knob 2, because focusing knob 2 is inside to be equipped with the square groove 21 with the mutual matching of card post 41 of focusing post 4, so drive through the rotation of focusing knob 2, screw thread strip B42 on the focusing knob 2 and the screw thread strip A321 phase-match on the location shell 3 simultaneously, cause focusing post 4 in rotatory, still can make it upwards or move down, and then the distance of the focusing mirror 6 of the imaging lens 5 of change installation at focusing knob 2 top and focusing post 4 bottom, realize the effect of focusing, the focusing is stable and does not need the control of motor.
The invention can complete the adjustment of the distance between the imaging lens 5 and the focusing lens 6 by rotating the focusing knob 2 outside the stage lamp, thereby completing the focusing operation of the stage lamp, and has convenient adjustment, smaller integral volume of the stage lamp, more compact integral stage lamp, no incapability of focusing caused by not using a focusing mechanism for a long time, and less failure rate of focusing failure of the stage lamp.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.
Claims (7)
1. A focusing mechanism of a stage lamp comprises a fixed bracket (1);
the focusing knob (2) is positioned in the center of the fixed support (1) and penetrates through the fixed support (1), and the top of the focusing knob is provided with an imaging mirror (5);
the focusing column (4) is positioned in the focusing knob (2), is clamped and connected with the focusing knob (2), and is provided with a focusing mirror (6) at the bottom;
the top of the positioning shell (3) is connected with the bottom of the fixed bracket (1), the bottom of the positioning shell is in threaded connection with the focusing column (4) and can enable the focusing column (4) to move up and down,
the novel focusing device is characterized in that the middle of the focusing knob (2) is provided with an annular boss (22) which extends outwards and is in an annular shape at the joint of the fixing support (1), the fixing support (1) is provided with an embedded groove A (12) which is embedded with the annular boss (22) and prevents the focusing knob (2) from moving downwards, at least one group of square grooves (21) are formed in the inner wall of the bottom of the focusing knob (2), at least one group of clamping columns (41) are arranged on the outer side of the top of the focusing column (4), the focusing knob (2) is matched with the clamping columns (41) of the focusing column (4) through the square grooves (21), and the focusing knob (2) is kept on the same horizontal plane all the time when the focusing column (4) moves up and down due to the rotation of the focusing knob (2).
2. The stage lamp focusing mechanism of claim 1, wherein: the bottom of location shell (3) is equipped with to the cylindricality boss (32) of the outside extension of location shell (3) bottom, and inside cylindricality boss (32) that extend, and cylindricality boss (32) inner wall is equipped with screw thread strip A (321), the middle part of focusing post (4) is equipped with screw thread strip B (42), screw thread strip A (321) with screw thread strip B (42) match each other.
3. The stage lamp focusing mechanism of claim 2, wherein: the outer diameter of the cylindrical boss (32) is equal to the inner diameter of the positioning shell (3).
4. The stage lamp focusing mechanism of claim 1, wherein: the side part of the positioning shell (3) close to the fixing support (1) is provided with at least one group of positioning blocks (31), the middle part of each group of positioning blocks (31) is provided with a positioning hole B (311), the bottom of the fixing support (1) is provided with at least one group of positioning holes A (13), and the positioning holes A (13) and the positioning holes B (311) are equal in number and are aligned with each other.
5. The stage lamp focusing mechanism of claim 1, wherein: the bottom of focusing post (4) outwards extends and is equipped with cylinder (43), the inner wall of cylinder (43) is equipped with to cylinder (43) outside sunken be annular caulking groove B (431), is equipped with at least a set of spacing post (432) that set up around cylinder (43) inner wall on caulking groove B (431).
6. A stage lamp focusing mechanism according to any one of claims 1 to 5, wherein: the top of the focusing knob (2) is provided with anti-skid grains (23).
7. A stage lamp focusing mechanism as claimed in claim 2 or 3, wherein: both ends of the thread strip A (321) are respectively provided with an arc surface (3211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021679006.3U CN213019134U (en) | 2020-08-12 | 2020-08-12 | Focusing mechanism of stage lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021679006.3U CN213019134U (en) | 2020-08-12 | 2020-08-12 | Focusing mechanism of stage lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213019134U true CN213019134U (en) | 2021-04-20 |
Family
ID=75465512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021679006.3U Active CN213019134U (en) | 2020-08-12 | 2020-08-12 | Focusing mechanism of stage lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213019134U (en) |
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2020
- 2020-08-12 CN CN202021679006.3U patent/CN213019134U/en active Active
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