CN211060041U - Focusing structure and zooming spotlight - Google Patents
Focusing structure and zooming spotlight Download PDFInfo
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- CN211060041U CN211060041U CN201921737426.XU CN201921737426U CN211060041U CN 211060041 U CN211060041 U CN 211060041U CN 201921737426 U CN201921737426 U CN 201921737426U CN 211060041 U CN211060041 U CN 211060041U
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Abstract
The utility model belongs to the technical field of the lamps and lanterns illumination, especially, relate to a focusing structure and shot-light zooms, wherein, the focusing structure includes solid fixed cylinder and focusing subassembly, gu fixed cylinder is connected with the light source, and set up two at least length direction in its section of thick bamboo wall and be the bar hole of fore-and-aft direction, the focusing subassembly includes connecting cylinder and two at least connecting pieces, the connecting cylinder cup joint in gu fixed cylinder and with lens fixed connection, each connecting piece passes a bar hole respectively, and all be connected with the connecting cylinder, and the back-and-forth movement of a relatively fixed cylinder, the connecting piece is contradicted with the long limit pore wall elasticity in bar hole. The utility model provides a new focusing structure that can focus light source and lens interval.
Description
Technical Field
The utility model belongs to the technical field of the lamps and lanterns illumination, especially, relate to a focusing structure and spotlight zooms.
Background
The spotlight zooms includes the light source, lens and focusing structure, lens and light source are relative setting around respectively, focusing structure includes the fixed cylinder with light source relatively fixed and cup joints with the fixed cylinder and with lens fixed connection and with the fixed cylinder and rotates the section of thick bamboo with fixed cylinder spiro union complex, based on this, when the light focus position behind the lens of the light that takes place of needs adjustment light source, the user can drive and rotate section of thick bamboo and fixed cylinder relative rotation, because rotate section of thick bamboo and fixed cylinder spiro union complex, it moves forward or backward for the fixed cylinder to rotate the section of thick bamboo, because lens fixed connection rotates the section of thick bamboo again, interval along with the increase or reduce in the front and back direction between light source and the lens, thereby realize the light focus position behind the lens of the light that the adjustment light source took place.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel focusing structure.
The utility model discloses a realize like this:
the utility model provides a focusing structure, uses with lens, light source cooperation, wherein, lens with the light source is relative around respectively, focusing structure includes fixed section of thick bamboo and focusing subassembly, fixed section of thick bamboo with the light source is connected to set up two at least length direction in its section of thick bamboo wall and be the bar hole of fore-and-aft direction, the focusing subassembly includes connecting cylinder and two at least connecting pieces, the connecting cylinder cup joint in the fixed section of thick bamboo and with lens fixed connection, each the connecting piece passes one respectively the bar hole, and all with the connecting cylinder is connected, and can be relative the fixed section of thick bamboo back-and-forth movement, the connecting piece with the long limit pore wall elasticity in bar hole is contradicted.
Optionally, the focusing structure includes at least two resistance rings made of an elastic material, each of the resistance rings is respectively sleeved outside one of the connectors, an inner annular surface of each of the resistance rings elastically abuts against an outer wall surface of the corresponding connector, and an outer annular surface of each of the resistance rings elastically abuts against a hole wall of the corresponding strip-shaped hole.
Optionally, the connecting members are made of an elastic material, and each connecting member is integrally and structurally arranged with the corresponding resistance ring.
Optionally, the focusing structure includes at least two resistance rings made of an elastic material, each resistance ring is disposed on a hole wall of the bar-shaped hole, each connecting piece passes through one resistance ring, and the resistance rings elastically abut against the connecting pieces.
Optionally, the focusing assembly further comprises a pushing barrel, the pushing barrel is sleeved with the fixing barrel, and the pushing barrel is connected with the connecting barrel through the connecting piece.
Optionally, the connecting cylinder comprises a connecting cylinder body and at least two connecting arms which are formed by extending forwards from a cylinder opening at the front side of the connecting cylinder body or by extending forwards from a cylinder at the rear side of the connecting cylinder body, and the connecting arms are respectively connected with one connecting piece;
the pushing cylinder is provided with an annular clamping groove which is circumferentially arranged on the wall surface of the inner cylinder, and the connecting piece comprises a body part which is positioned in the strip-shaped hole and a protruding part which extends out of the fixed cylinder and is arranged in the annular clamping groove.
Optionally, a groove width of the ring-shaped clamping groove is equal to a length of the protruding portion in the front-rear direction.
Optionally, the strip-shaped holes are arranged at equal intervals in the circumferential direction.
Optionally, the connector is detachably connected to the connector barrel.
The utility model also provides a spotlight zooms, including light source, lens and as above focusing structure.
When the space between the lens and the light source needs to be reduced, a user can directly apply backward focusing external force to each connecting piece and indirectly transmit the backward focusing external force to the connecting cylinder, and the hole wall of each resistance ring and the corresponding strip-shaped hole is overcome to have larger static friction force, so that the connecting cylinder moves backward relative to the fixed cylinder, the space between the lens and the light source is reduced, when the space between the lens and the light source needs to be enlarged, the user can directly apply forward focusing external force to each connecting piece and indirectly transmit the forward focusing external force to the connecting cylinder, and each resistance ring and the corresponding connecting piece have larger static friction force, so that the connecting cylinder moves forward relative to the fixed cylinder, and the space between the lens and the light source is enlarged.
From the above, based on the utility model discloses a focusing function can be realized to the structure, and structural different with current structure, for prior art, the utility model provides a new focusing structure.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic overall structure diagram of a focusing structure according to a first embodiment of the present invention when applied to a zoom spotlight;
fig. 2 is a perspective cross-sectional view of a focusing structure provided in the first embodiment of the present invention when applied to a zoom spotlight;
FIG. 3 is an enlarged schematic view of A in FIG. 2;
fig. 4 is an exploded view of a focusing structure according to an embodiment of the present invention when applied to a zoom spotlight;
fig. 5 is a perspective cross-sectional view of a focusing structure according to a first embodiment of the present invention when applied to a zoom spotlight;
FIG. 6 is an enlarged schematic view of A in FIG. 5;
fig. 7 is an exploded view of a focusing structure according to an embodiment of the present invention when applied to a zoom spotlight.
The reference numbers illustrate:
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Example one
Referring to fig. 1 to 4, an embodiment of the present invention provides a focusing structure, which is used in cooperation with a lens 300 and a light source 400, wherein the lens 300 and the light source 400 are respectively disposed in front and rear directions; the focusing structure, the lens 300 and the light source 400 together form a core component of the zoom spotlight.
The focusing structure includes a fixed barrel 100 and a focusing assembly 200.
Specifically, the fixed cylinder 100 extends in the front-back direction, the fixed cylinder 100 is fixedly connected with the light source 400, and the fixed cylinder 100 is provided with at least two strip-shaped holes 101 with the length direction in the front-back direction on the cylinder wall; the fixed cylinder 100 and the light source 400 can be fixedly connected in a direct connection mode, or in an indirect connection mode through an intermediate piece; the fixing cylinder 100 may be made of a plastic material, such as PC, or a metal material, such as stainless steel.
The focusing assembly 200 includes a connector barrel 210 and at least two connectors 220.
Wherein, the connecting cylinder 210 is sleeved in the fixed cylinder 100 and fixedly connected with the lens 300; the connecting barrel 210 and the lens 300 can be fixedly connected in a direct connection mode, or in an indirect connection mode through an intermediate piece; the connector barrel 210 may be made of a plastic material, such as PC, or a metal material, such as stainless steel. Each connector 220 passes through a strip-shaped hole 101, is connected with the connecting cylinder 210, and can move back and forth relative to the fixed cylinder 100. Under the effect that does not have the external force, based on connecting piece 220 and the long limit pore wall elasticity of bar hole 101 contradicts, have great stiction between connecting piece 220 and the long limit pore wall of bar hole 101, this stiction can restrict connecting cylinder 210 and fixed section of thick bamboo 100 relative movement, and this restriction is including restriction connecting cylinder 210 and fixed section of thick bamboo 100 relative movement in the front and back direction.
Based on the structural design of the utility model, when the interval between lens 300 and light source 400 is dwindled to needs, the user can directly apply the focusing external force backward to each connecting piece 220, and indirectly transmit to connecting cylinder 210, and overcome the static friction force between the long limit pore wall of connecting piece 220 and bar hole 101, and thus, connecting cylinder 210 moves backward for solid fixed cylinder 100, thereby the interval between lens 300 and light source 400 has been dwindled, and when the interval between lens 300 and light source 400 needs to be enlarged, the user can directly apply the focusing external force that can move forward to each connecting piece 220, and indirectly transmit to connecting cylinder 210, and the static friction force between each resistance ring 230 and the connecting piece 220 that corresponds, and thus, connecting cylinder 210 moves forward for solid fixed cylinder 100, thereby the interval between lens 300 and light source 400 has been enlarged.
From the above, based on the utility model discloses a focusing function can be realized to the structure, and structural different with current structure, for prior art, the utility model provides a new focusing structure.
In addition, it should be noted that, based on the structural design of the present invention, the fixing cylinder 100 may not be limited to the circular cylinder structure, but may also adopt a cylinder structure with a cross section of other shapes, such as a square cylinder structure, a triangular cylinder structure, etc., so that the fixing cylinder 100 may have more various shape structures.
Please refer to fig. 1 to 3, in the embodiment of the present invention, the focusing structure includes at least two resistance rings 230 made of elastic material, each resistance ring 230 is respectively sleeved outside a connecting piece 220, an inner annular surface of the resistance ring 230 elastically abuts against an outer wall surface of the connecting piece 220, and an outer annular surface elastically abuts against a hole wall of the bar-shaped hole 101, each resistance ring 230 and a hole wall of the corresponding bar-shaped hole 101 have a large static friction force, so that, under the action of no external force, the relative movement between the connecting cylinder 210 and the fixing cylinder 100 can be limited based on the action of the resistance ring 230, and the limitation includes the limitation of the relative movement between the connecting cylinder 210 and the fixing cylinder 100 in the front-back direction.
When the distance between the lens 300 and the light source 400 needs to be reduced, a user can directly apply backward focusing external force to each connecting piece 220 and indirectly transmit the backward focusing external force to the connecting cylinder 210, and overcome the static friction force between each resistance ring 230 and the hole wall of the corresponding strip-shaped hole 101, so that the connecting cylinder 210 moves backward relative to the fixed cylinder 100, thereby reducing the distance between the lens 300 and the light source 400, and when the distance between the lens 300 and the light source 400 needs to be enlarged, the user can directly apply forward focusing external force to each connecting piece 220 and indirectly transmit the forward focusing external force to the connecting cylinder 210, and the static friction force between each resistance ring 230 and the corresponding connecting piece 220, so that the connecting cylinder 210 moves forward relative to the fixed cylinder 100, thereby enlarging the distance between the lens 300 and the light source 400.
In other embodiments of the present invention, the connecting members 220 are made of elastic material, and each connecting member 220 is integrally and structurally disposed with the corresponding resistance ring 230. Based on the structural arrangement, the connecting piece 220 and the resistance ring 230 can be formed in one step in the production process without being divided into two production steps, which is beneficial to reducing the production cost.
Referring to fig. 1 to 4, in an embodiment of the present invention, the focusing assembly 200 further includes a pushing cylinder 240, the pushing cylinder 240 is sleeved outside the fixed cylinder 100, and the pushing cylinder 240 is connected to the connecting cylinder 210 through a connecting member 220; the pushing cylinder 240 may be made of a plastic material, such as PC, or a metal material, such as stainless steel.
Based on this structural design, in the use, at first, the user can not need to realize the effort to each connecting piece 220 respectively, only needs to apply an solitary effort to pushing a section of thick bamboo 240, can focus, has simplified user's regulation operation, and secondly, also convenient to use person grips, and convenient to use person applys the effort.
It should be noted that, in the specific implementation, the pushing cylinder 240 covers the strip-shaped hole 101 to prevent the strip-shaped hole 101 from being exposed, so that firstly, external dust and the like can be prevented from entering the fixing from the strip-shaped hole 101, and secondly, the zooming structure can have better appearance uniformity.
Further, referring to fig. 2 to 4, the connecting cylinder 210 includes a connecting cylinder body 211 and at least two connecting arms 212 formed by extending forward from a front cylinder opening of the connecting cylinder body 211 or extending forward from a rear cylinder opening of the connecting cylinder body 211, and the connecting arms 212 are respectively connected with a connecting member 220; the pushing cylinder 240 has a circumferential annular groove 2401 formed on an inner wall surface thereof, and the connecting element 220 includes a body portion located in the bar-shaped hole 101 and a protruding portion protruding out of the fixed cylinder 100 and inserted into the annular groove 2401.
Based on this structure, in the assembling process, and after the connecting member 220 has been assembled to the fixed cylinder 100, first, the pushing cylinder 240 is sleeved to the fixed cylinder 100, secondly, since the link 220 is coupled to the connection arm 212, a worker applies a downward pressing force to the link 220, the pressing force indirectly acts on the connecting arm 212, and elastically deforms the connecting arm 212, and the protruding part is positioned in the bar-shaped hole 101, at this time, the protruding part and the pushing cylinder 240 do not interfere with each other in the front-back direction any more, the pushing cylinder 240 can move to the circular clamping groove 2401 to be arranged corresponding to the protruding part, at this time, since no pressing force acts indirectly on the connecting support arm 212, the connecting support arm 212 will generate elastic recovery, therefore, the protruding part is extended out of the strip-shaped hole 101 and is placed in the annular clamping groove 2401, the assembly of the zooming structure is completed, the whole assembly process is simple and convenient, and the assembly efficiency is improved.
In addition, based on the structural design, the pushing cylinder 240 is of a single structure, the structure is simple, the production and the manufacturing are convenient, and the production and the manufacturing cost are reduced.
Further, in the embodiment of the present invention, the width of the notch of the ring groove 2401 is equal to the length of the protruding portion in the front-rear direction. Based on this structural design, the displacement of the connecting member 220 and the pushing cylinder 240 in the front-rear direction can be avoided.
In the embodiment of the present invention, the pushing cylinder 240 is provided with a guiding slope 241 at the cylinder side deviating from the assembling direction thereof.
Referring to fig. 4, in the present invention, the strip holes 101 are circumferentially arranged at equal intervals, and at least three strip holes 101 are provided.
Referring to fig. 2 to 4, in the present invention, the connecting member 220 is detachably connected to the connecting cylinder 210. Based on this structural design, the connector 220 can be directly connected to the connector barrel 210 after the connector barrel 210 is assembled to the fixed barrel 100, so that the structural design of the fixed barrel 100 can be simplified and the fixed barrel 100 can have a one-piece structure.
Specifically, in the present embodiment, the connection member 220 is detachably connected to the connection cylinder 210 by a screw 250.
Example two
Referring to fig. 5 to 7, the second embodiment of the present invention is different in that the focusing structure includes at least two resistance rings 230 made of elastic material, each resistance ring 230 is annularly disposed on the hole wall of the bar-shaped hole 101, each connecting member 220 respectively passes through one resistance ring 230, the resistance rings 230 elastically abut against the connecting members 220, the length of the inner ring of the resistance ring 230 in the front-back direction is greater than the length of the connecting members 220 in the front-back direction, each resistance ring 230 and the corresponding connecting member 220 have a large static friction force, and thus, under the effect of no external force, the connection cylinder 210 and the fixing cylinder 100 can be limited from moving relative to each other based on the effect of the resistance rings 230, and the limitation includes limiting the connection cylinder 210 and the fixing cylinder 100 from moving relative to each other in the front-back direction.
When it is required to reduce the distance between the lens 300 and the light source 400, a user may directly apply a backward focusing external force to each of the connection members 220 and indirectly transmit the force to the connection barrel 210, and overcome a static friction force between each of the resistance rings 230 and the corresponding connection member 220, such that the connection barrel 210 moves backward with respect to the fixed barrel 100, thereby reducing the distance between the lens 300 and the light source 400, and when it is required to expand the distance between the lens 300 and the light source 400, a user may directly apply a forward focusing external force to each of the connection members 220 and indirectly transmit the force to the connection barrel 210, and a static friction force between each of the resistance rings 230 and the corresponding connection member 220, such that the connection barrel 210 moves forward with respect to the fixed barrel 100, thereby expanding the distance between the lens 300 and the light source 400.
EXAMPLE III
The utility model also provides a shot-light zooms, this shot-light zooms includes light source 400, lens 300 and focusing structure, and the concrete structure of this focusing structure refers to above-mentioned embodiment, because this shot-light zooms has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought equally, no longer gives unnecessary detail here.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a focusing structure, uses with lens, light source cooperation, wherein, lens with the light source is relative setting from beginning to end respectively, its characterized in that, focusing structure includes fixed section of thick bamboo and focusing subassembly, fixed section of thick bamboo with the light source is connected to set up two at least length direction in its section of thick bamboo wall and be the bar hole of fore-and-aft direction, the focusing subassembly includes connecting cylinder and two at least connecting pieces, the connecting cylinder cup joint in the fixed section of thick bamboo and with lens fixed connection, each the connecting piece passes one respectively the bar hole, and all with the connecting cylinder is connected, and can be relative the fixed section of thick bamboo back-and-forth movement, the connecting piece with long limit pore wall elasticity in bar hole is contradicted.
2. The focusing structure of claim 1, wherein the focusing structure comprises at least two resistance rings made of elastic material, each resistance ring is sleeved outside one of the connecting pieces, an inner annular surface of each resistance ring elastically abuts against an outer wall surface of each connecting piece, and an outer annular surface of each resistance ring elastically abuts against a hole wall of the strip-shaped hole.
3. The focusing structure of claim 2, wherein said connecting members are made of an elastic material, and each of said connecting members is integrally provided with a corresponding one of said resistance rings.
4. The focusing structure of claim 1, wherein the focusing structure comprises at least two resistance rings made of elastic material, each resistance ring is arranged on the hole wall of the strip-shaped hole, each connecting piece passes through one resistance ring, and the resistance rings elastically abut against the connecting pieces.
5. The focusing structure of claim 1, wherein the focusing assembly further comprises a pushing barrel sleeved outside the fixed barrel, the pushing barrel being connected with the connecting barrel through the connecting piece.
6. The focusing structure according to claim 5, wherein said connecting cylinder comprises a cylinder connecting body and at least two connecting arms formed by extending forward from a front cylinder opening of said cylinder connecting body or extending backward from a rear cylinder opening of said cylinder connecting body, said connecting arms being connected to one of said connecting members, respectively;
the pushing cylinder is provided with an annular clamping groove which is circumferentially arranged on the wall surface of the inner cylinder, and the connecting piece comprises a body part which is positioned in the strip-shaped hole and a protruding part which extends out of the fixed cylinder and is arranged in the annular clamping groove.
7. The focusing structure of claim 6, wherein the groove width of the annular groove is equal to the length of the boss in the front-rear direction.
8. The focusing structure according to any one of claims 1 to 7, wherein the strip-shaped holes are arranged at equal intervals in the circumferential direction.
9. A focusing construction according to any of claims 1 to 7 wherein the connector is removably connected to the connector barrel.
10. A variable focus spotlight comprising a light source, a lens and a focusing structure as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921737426.XU CN211060041U (en) | 2019-10-16 | 2019-10-16 | Focusing structure and zooming spotlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921737426.XU CN211060041U (en) | 2019-10-16 | 2019-10-16 | Focusing structure and zooming spotlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211060041U true CN211060041U (en) | 2020-07-21 |
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ID=71587693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921737426.XU Active CN211060041U (en) | 2019-10-16 | 2019-10-16 | Focusing structure and zooming spotlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211060041U (en) |
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2019
- 2019-10-16 CN CN201921737426.XU patent/CN211060041U/en active Active
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