CN220232202U - Focusing structure for camera lens - Google Patents
Focusing structure for camera lens Download PDFInfo
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- CN220232202U CN220232202U CN202321585142.XU CN202321585142U CN220232202U CN 220232202 U CN220232202 U CN 220232202U CN 202321585142 U CN202321585142 U CN 202321585142U CN 220232202 U CN220232202 U CN 220232202U
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- camera lens
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- adjusting cylinder
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- 230000000149 penetrating effect Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 6
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 6
- 241001330002 Bambuseae Species 0.000 abstract 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 6
- 239000011425 bamboo Substances 0.000 abstract 6
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000004308 accommodation Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000004438 eyesight Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The utility model provides a focusing structure for a camera lens, comprising: the focusing cylinder, the fixing cylinder and the adjusting cylinder are sleeved in sequence from inside to outside and are coaxially arranged; the focusing cylinder is connected with the camera lens; the adjusting cylinder is configured to drive the focusing cylinder to reciprocate along the axial direction when the adjusting cylinder rotates; the focusing structure further includes: a guide connection assembly; the guide connection assembly includes: an annular groove formed by inwards recessing the outer side wall of the top of the fixed cylinder; and the sliding block penetrates through the adjusting cylinder and is arranged in the annular groove. In this application, the slider configuration is in the annular groove for when adjusting the section of thick bamboo rotatory, not receive any blocking, the slider can be in the annular groove smooth movement, can play the effect of a support to fixed section of thick bamboo in addition through the setting of slider in the direction coupling assembling, is connected fixed section of thick bamboo and adjusting the section of thick bamboo, makes fixed section of thick bamboo and adjusting the section of thick bamboo and can not take place relative displacement in its axial direction, has improved the stability of whole focusing structure.
Description
Technical Field
The utility model relates to the technical field of camera lens focusing. And more particularly, to a focusing structure for a camera lens.
Background
At present, the vision detection industry is stronger and stronger, particularly the detection requirements of mobile phone screens, flat panel screens and the like are higher and higher, meanwhile, the requirements of screen manufacturers on vision detection are wider and wider, and the detection precision is more and more severe. In the focusing process of the existing camera, when the lens stretches, the general production stability is poor, the shake is large, the focusing precision is low, and the camera lens is not suitable for high-precision focusing.
Disclosure of Invention
In view of the above, the present utility model provides a focusing structure for a camera lens to solve the problem of poor stability of the camera lens in the prior art during focusing.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a focusing structure for a camera lens, comprising:
the focusing cylinder, the fixing cylinder and the adjusting cylinder are sleeved in sequence from inside to outside and are coaxially arranged;
the focusing cylinder is connected with the camera lens;
the adjusting cylinder is configured to drive the focusing cylinder to reciprocate along the axial direction when the adjusting cylinder rotates;
the focusing structure further includes: a guide connection assembly;
the guide connection assembly includes: an annular groove formed by inwards recessing the outer side wall of the top of the fixed cylinder;
and the sliding block penetrates through the adjusting cylinder and is arranged in the annular groove.
In addition, preferably, one end of the sliding block, which is far away from the adjusting cylinder, is clamped in the annular groove;
the adjusting cylinder can drive the sliding block to reciprocate in the annular groove.
Furthermore, it is preferable that the adjustment cylinder comprises a spiral groove surrounding and penetrating a side wall thereof;
the outer side wall of the focusing cylinder comprises a convex block penetrating through the fixing cylinder into the spiral groove;
the adjustment cylinder is configured such that when it rotates, the helical groove pushes the tab to move in an axial direction of the focusing cylinder to move the focusing cylinder.
In addition, preferably, the side wall of the fixed cylinder comprises an elongated hole for accommodating the lug; the extending direction of the strip hole is the same as the axial direction of the fixed cylinder;
when the adjusting cylinder rotates, the spiral groove pushes the lug to move in the strip-shaped hole.
Furthermore, preferably, the focusing structure further includes: the top and the bottom are open shells;
the shell is sleeved on the outer side of the adjusting cylinder.
Furthermore, preferably, the outer side wall of the adjustment cylinder is provided with a driving structure for driving the adjustment cylinder to rotate.
Furthermore, preferably, the driving structure includes: the rotor component is sleeved on the outer side wall of the adjusting cylinder and used for driving the adjusting cylinder to rotate; and
and the stator assembly is sleeved on the outer side wall of the first rotor assembly.
Furthermore, preferably, the outer side wall of the adjusting cylinder is also provided with a bearing;
the bearing is located below the drive structure.
Furthermore, preferably, the focusing structure further includes: and the first cover plate is covered between the top of the shell and the top of the adjusting cylinder.
Furthermore, preferably, the focusing structure further includes: the limiting piece is connected with the outer side wall of the adjusting cylinder;
the limiter is configured to limit movement of the bearing to an exterior of the housing.
In addition, preferably, the outer side wall of the bottom of the adjusting cylinder is inwards recessed to form an annular limiting groove;
the limiting piece comprises a limiting block;
the stopper is configured to move in the annular stopper groove when the adjustment cylinder rotates.
The beneficial effects of the utility model are as follows:
according to the focusing structure for the camera lens, the sliding block is arranged in the annular groove, so that the sliding block can smoothly move in the annular groove without being blocked when the adjusting cylinder rotates, and the fixed cylinder can be connected with the adjusting cylinder through the arrangement of the sliding block in the guide connecting assembly, so that the fixed cylinder and the adjusting cylinder cannot relatively displace in the axial direction of the fixed cylinder, and the stability of the whole focusing structure is improved.
Drawings
The following describes the embodiments of the present utility model in further detail with reference to the drawings.
Fig. 1 is a cross-sectional view of a focusing structure for a focusing structure of a camera lens according to an embodiment of the present utility model.
Fig. 2 is a side view of a focusing structure for a focusing structure of a camera lens according to an embodiment of the present utility model.
Fig. 3 is a schematic overall structure diagram of a focusing barrel, a fixing barrel and an adjusting barrel of a focusing structure for a camera lens according to an embodiment of the present utility model.
Fig. 4 is a schematic diagram showing an overall structure of a focusing cylinder, a fixing cylinder and an adjusting cylinder of a focusing structure for a camera lens according to an embodiment of the present utility model.
Fig. 5 is a schematic diagram showing an overall structure of a focusing cylinder, a fixing cylinder and an adjusting cylinder of a focusing structure for a camera lens according to an embodiment of the present utility model.
Fig. 6 is a schematic diagram of a focusing structure for a camera lens according to an embodiment of the present utility model, before the focusing barrel, the fixing barrel, and the adjusting barrel are assembled.
Detailed Description
Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
In order to solve the problems in the prior art, the present application provides a focusing structure for a camera lens, as shown in fig. 1-6, including: a focusing cylinder 21, a fixed cylinder 22 and an adjusting cylinder 23 which are sleeved in sequence from inside to outside and are coaxially arranged; the focusing cylinder 21 is connected with a camera lens; the adjustment cylinder 23 is configured to drive the focusing cylinder 21 to reciprocate in the axial direction thereof when it rotates; the focusing structure further includes: a guide connection assembly; the guide connection assembly includes: an annular groove 221 formed to be recessed inward around the top outer side wall of the fixed cylinder 22; a slider 231 penetrating the adjustment cylinder 23 and disposed in the annular groove 221.
In the above embodiment of the present application, the slider 231 is configured in the annular groove 221, so that when the adjustment cylinder 23 rotates, the slider 231 can move smoothly in the annular groove 221 without being blocked, and the fixing cylinder 22 can be supported by the guiding connection assembly through the arrangement of the slider 231, so that the fixing cylinder 22 is connected with the adjustment cylinder 23, and the fixing cylinder 22 and the adjustment cylinder 23 cannot be relatively displaced in the axial direction thereof, thereby improving the stability of the whole focusing structure.
In one embodiment, an end of the slider 231 away from the adjusting cylinder 23 is clamped in the annular groove 221; the adjusting cylinder 23 can drive the sliding block 231 to reciprocate in the annular groove 221. Therefore, the sliding block 231 cannot be separated from the annular groove 221, the fixed cylinder 22 cannot move downwards relative to the adjusting cylinder 23, the sliding block 231 and the fixed cylinder are always integrated, the adjusting cylinder 23 can rotate stably, and the stability of a focusing structure is further improved.
In one embodiment, the adjustment cylinder 23 includes a helical groove 234 encircling and extending through a sidewall thereof; the outer side wall of the focusing cylinder 21 comprises a convex block 211 penetrating the fixed cylinder 22 into the spiral groove 234; the adjustment cylinder 23 is configured such that when it rotates, the spiral groove 234 pushes the boss 211 to move in the axial direction of the focusing cylinder 21 to move the focusing cylinder 21. Since the position of the adjusting cylinder 23 in the axial direction is always unchanged, when the adjusting cylinder 23 rotates, the spiral groove 234 rotates, the side wall of the spiral groove 234 pushes the protruding block 211 to move, and since the protruding block 211 is fixed on the outer side wall of the focusing cylinder 21, the focusing cylinder 21 can move in the axial direction and can drive the camera lens to move, so that focusing of the camera is realized.
In one embodiment, the sidewall of the fixed cylinder 22 includes an elongated hole 222 for receiving the protrusion 211; the extending direction of the strip hole 222 is the same as the axial direction of the fixed cylinder 22; when the adjustment cylinder 23 is rotated, the spiral groove 234 pushes the boss 211 to move in the elongated hole 222. The elongated hole 222 is provided with a guiding function for the protruding block 211 during moving, so that the focusing cylinder 21 can move in a preset direction and cannot rotate in the moving process, the moving stability of the focusing cylinder 21 is guaranteed, and the stability of the whole focusing structure is further improved.
Specifically, the number of the protrusions 211 is two, and the number of the spiral grooves 234 and the elongated holes 222 is two which are arranged in parallel; the two protruding blocks 211 respectively pass through the corresponding strip holes 222 and are respectively arranged in the corresponding spiral grooves 234; both the spiral grooves 234 and the elongated holes 222 are offset; the distance between the two ends of the two elongated holes 222 that are close to each other is equal to the distance between the two ends of the two spiral grooves 234 that are close to each other, and the difference in height between the two ends of the two elongated holes 222 that are close to each other is equal to the difference in height between the two ends of the two spiral grooves 234. In this way, when the two protrusions 211 are moved to the two ends of the two elongated holes 222, which are close to each other, the two protrusions are also moved to the two ends of the two spiral grooves 234, which are close to each other, so that the degree of engagement is high.
In a specific embodiment, the focusing structure further comprises: a housing 28 having an open top and bottom; the outer shell 28 is sleeved on the outer side of the adjusting cylinder 23. Thus, the adjusting cylinder 23, the fixing cylinder 22 and the focusing cylinder 21 are all positioned in the inner cavity of the shell 28, and the three can be protected from external impact.
In one embodiment, the outer side wall of the adjustment cylinder 23 is provided with a driving structure for driving the adjustment cylinder to rotate. Here, the driving structure is preferably a frameless motor, and may be other driving structures without affecting the use effect of the present utility model.
In one embodiment, the driving structure includes: a rotor assembly 261 sleeved on the outer side wall of the adjusting cylinder 23 and used for driving the adjusting cylinder 23 to rotate; and a stator assembly 262 sleeved on the outer side wall of the rotor assembly 261. The adjustment cylinder 23 is rotated about its axial direction under the drive of the mover assembly 261. The connection mode that rotor subassembly 261 and stator subassembly 262 overlap in proper order has reduced the occupation space of drive structure, makes whole focusing structure miniaturized more, and stability is stronger when the rotation of drive adjustment cylinder 23 moreover.
Specifically, when the driving structure drives the adjustment cylinder 23 to rotate, the adjustment cylinder 23 drives the focusing cylinder 21 to reciprocate along the axial direction thereof, so that the focusing cylinder 21 drives the camera lens to move, thereby realizing focusing of the camera. The driving structure in the focusing structure has the advantages of small volume, light weight, high installation precision, no need of periodic maintenance, low system inertia of the driving structure, high bandwidth and high comprehensive performance; by virtue of smaller occupied space, larger torque density and lighter weight, the overall performance of the focusing structure is greatly improved, and the stability is stronger in the focusing process of the camera lens. The camera adjusting device provided by the application can not only enable the adjusting cylinder 23 in the focusing structure to stably rotate when focusing, but also prevent lens shake in the focusing process.
In one embodiment, an annular boss 232 is formed by protruding the outer side wall of the adjusting cylinder 23 outwards; a first accommodating space 24 is formed between the top surface of the annular boss 232 and the outer side wall of the adjusting cylinder 23; the first accommodation space 24 is provided with the above-described driving structure for driving the rotation of the regulating cylinder 23.
Specifically, the first accommodating space 24 is formed between the housing 28, the adjusting cylinder 23 and the top of the annular boss 232, and the housing 28 can also prevent the driving structure from being affected by the outside, so as to have a protection function. The annular boss 232 on the outer side wall of the adjusting cylinder 23 can prevent the driving structure in the first accommodating space 24 from deviating during operation, and the adjusting cylinder 23 is stably rotated, so that the rotating stability of the adjusting cylinder 23 is improved.
In a specific embodiment, the outer side wall of the adjusting cylinder 23 is further provided with a bearing 27; the bearing 27 is located below the drive structure. The cooperation of the bearing 27 and the driving structure makes the adjusting cylinder 23 smoother in the rotation process, the resistance is greatly reduced, and the rotation stability of the adjusting cylinder 23 is further improved. Specifically, a second accommodating space 25 is formed between the bottom surface of the annular boss 232 and the outer side wall of the adjusting cylinder 23; the second accommodating space 25 is provided with the bearing 27 sleeved on the outer side wall of the adjusting cylinder 23. The outer side wall of the adjusting cylinder 23 is divided into a first accommodation space 24 and a second accommodation space 25 by an annular boss 232, so that the driving structure in the first accommodation space 24 and the bearing 27 in the second accommodation space 25 do not influence each other during operation, and neither do deviation nor collision occur.
In a specific embodiment, the focusing structure further comprises: a first cover plate 281 covering between the top of the housing 28 and the top of the regulating cylinder 23; that is, the first cover plate 281 covers the top of the first accommodating space 24. The first accommodation space 24 is formed between the first cover plate 281, the top of the annular boss 232, the housing 28 and the outer side wall of the adjusting cylinder 23, and the first cover plate 281 can prevent the driving structure in the first accommodation space 24 from separating from the first accommodation space 24, and also protect the driving structure.
In a specific embodiment, the focusing structure further comprises: a stopper 29 connected to the outer side wall of the adjustment cylinder 23; the stopper 29 is configured to restrict the movement of the bearing 27 to the outside of the housing 28, that is, to restrict the movement of the bearing 27 to the outside of the second accommodation space 25. The bearing 27 is located between the limiting member 29, the bottom surface of the annular boss 232, the outer side wall of the adjusting cylinder 23 and the housing 28, namely, in the second accommodating space 25, so that the bearing 27 cannot move to the outer side of the second accommodating space 25 when rotating, and the focusing structure 2 can be ensured to be normally used.
In a specific embodiment, an annular limiting groove (not shown in the figure) is formed by recessing the bottom outer side wall of the adjusting cylinder 23 inwards; the limiting member 29 includes a limiting block (not shown); the stopper is configured to move in the annular stopper groove when the regulating cylinder 23 rotates. The use of the annular limiting groove and the limiting piece 29 can not only prevent the rotation of the adjusting cylinder 23 from being affected, but also limit the bearing 27 from moving outside the second accommodating space 25; further, a second cover plate 282 is disposed between the side wall of the housing 28 and the limiting member 29. The second cover plate 282 covers the bottom of the second accommodating space 25, so that the bearing 27 is encapsulated in the second accommodating space 25 and is not impacted by external components, thereby protecting the bearing 27 from normal operation.
It should be understood that the foregoing examples of the present utility model are provided merely for clearly illustrating the present utility model and are not intended to limit the embodiments of the present utility model, and that various other changes and modifications may be made therein by one skilled in the art without departing from the spirit and scope of the present utility model as defined by the appended claims.
Claims (10)
1. A focusing structure for a camera lens, comprising:
the focusing cylinder, the fixing cylinder and the adjusting cylinder are sleeved in sequence from inside to outside and are coaxially arranged;
the focusing cylinder is connected with the camera lens;
the adjusting cylinder is configured to drive the focusing cylinder to reciprocate along the axial direction when the adjusting cylinder rotates;
the focusing structure further includes: a guide connection assembly;
the guide connection assembly includes: an annular groove formed by inwards recessing the outer side wall of the top of the fixed cylinder;
and the sliding block penetrates through the adjusting cylinder and is arranged in the annular groove.
2. The focusing structure for a camera lens according to claim 1, wherein an end of the slider, which is away from the adjustment cylinder, is caught in the annular groove;
the adjusting cylinder can drive the sliding block to reciprocate in the annular groove.
3. The focusing structure for a camera lens of claim 1, wherein the adjustment cylinder includes a spiral groove surrounding and penetrating a sidewall thereof;
the outer side wall of the focusing cylinder comprises a convex block penetrating through the fixing cylinder into the spiral groove;
the adjustment cylinder is configured such that when it rotates, the helical groove pushes the tab to move in an axial direction of the focusing cylinder to move the focusing cylinder.
4. A focusing structure for a camera lens as claimed in claim 3, wherein the side wall of the fixed barrel includes an elongated hole for accommodating the bump; the extending direction of the strip hole is the same as the axial direction of the fixed cylinder;
when the adjusting cylinder rotates, the spiral groove pushes the lug to move in the strip-shaped hole.
5. The focusing structure for a camera lens of claim 1, further comprising: the top and the bottom are open shells;
the shell is sleeved on the outer side of the adjusting cylinder.
6. The focusing structure for a camera lens as claimed in claim 5, wherein an outer sidewall of the adjustment cylinder is provided with a driving structure for driving the adjustment cylinder to rotate.
7. The focusing structure for a camera lens of claim 6, wherein the driving structure comprises: the rotor component is sleeved on the outer side wall of the adjusting cylinder and used for driving the adjusting cylinder to rotate; and
and the stator assembly is sleeved on the outer side wall of the rotor assembly.
8. The focusing structure for a camera lens according to claim 6, wherein an outer side wall of the adjustment cylinder is further provided with a bearing;
the bearing is located below the drive structure.
9. The focusing structure for a camera lens of claim 5, further comprising: and the first cover plate is covered between the top of the shell and the top of the adjusting cylinder.
10. The focusing structure for a camera lens of claim 8, further comprising: the limiting piece is connected with the outer side wall of the adjusting cylinder;
the limiter is configured to limit movement of the bearing to an exterior of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321585142.XU CN220232202U (en) | 2023-06-19 | 2023-06-19 | Focusing structure for camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321585142.XU CN220232202U (en) | 2023-06-19 | 2023-06-19 | Focusing structure for camera lens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220232202U true CN220232202U (en) | 2023-12-22 |
Family
ID=89176103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321585142.XU Active CN220232202U (en) | 2023-06-19 | 2023-06-19 | Focusing structure for camera lens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220232202U (en) |
-
2023
- 2023-06-19 CN CN202321585142.XU patent/CN220232202U/en active Active
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