CN211718593U - Structure for quickly adjusting coaxiality of group frames - Google Patents
Structure for quickly adjusting coaxiality of group frames Download PDFInfo
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- CN211718593U CN211718593U CN201922482354.5U CN201922482354U CN211718593U CN 211718593 U CN211718593 U CN 211718593U CN 201922482354 U CN201922482354 U CN 201922482354U CN 211718593 U CN211718593 U CN 211718593U
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Abstract
The utility model discloses a structure for quickly adjusting the coaxiality of a group frame, which comprises a fixed cylinder, wherein a cylinder cavity is arranged in the fixed cylinder, a group frame is placed in the cylinder cavity, at least three pore cavities distributed along the circumferential direction are arranged on the group frame, screws for connecting the group frame to the fixed cylinder are arranged in the pore cavities in a penetrating way, the screws are sleeved with springs for pushing the group frame against the fixed cylinder, the group frame is also provided with a group frame cavity for placing lenses, the screws are locked on the fixed cylinder and then are extruded and deformed to ensure that the group frame is flatly attached to the bearing surface of the cylinder cavity, a gap is reserved between the pore cavities and the screws, on one hand, the group frame is tightly attached to the fixed cylinder under the elastic action of the springs, on the other hand, the group frame is unlikely to be locked and can not move, the group frame can be pushed to move along the radial direction of the group frame when the coaxiality of the group frame and the fixed cylinder are, the coaxiality of the group frame is quickly adjusted, the operation is convenient, and the increasingly-improved specification requirement and optical design performance of optics are realized.
Description
[ technical field ]
The utility model relates to a structure of quick adjustment crowd's frame axiality.
[ background art ]
With the rapid development of high and new technologies, the security optical zoom lens is widely applied. In order to meet the market demand, more and more lenses use large chips with high resolution, and zoom lenses are applied to different environments in different fields, so that the design difficulty of the lenses is higher and higher, the technical requirements of each group are higher and higher, and the requirements on product molding, process manufacturing and the like are also higher and higher.
The coaxiality deviation of the group frame and the fixed cylinder is one of the most main factors influencing the performance of the optical lens, the coaxiality refers to the degree that the central axis of the group frame is consistent with the central axis of the fixed cylinder, if the coaxiality is high, the optical performance of the lens is good, and if the coaxiality is low, the optical performance is poor.
In the existing production and manufacturing technology, the group frame is clamped by a manipulator, the group frame is pressed on the front surface of the manipulator to be abutted against a fixed cylinder, meanwhile, the manipulator applies radial acting force to the group frame to enable the central axis of the group frame to be coaxial with the central axis of the fixed cylinder as much as possible, and after the coaxiality of the group frame and the fixed cylinder is adjusted, the group frame is fixed on the fixed cylinder in a gluing or screw connection mode and the like. However, the existing production and manufacturing technology has the following problems and disadvantages: the device structure of adjusting the frame axiality of crowd is complicated, and the adjustment process technology is complicated, and manufacturing cost is high, has the restriction to the multiplying power of adjusting the frame axiality of crowd moreover, and if the light angle is big, the tool can't avoid, has the risk of vignetting, influences product quality.
The utility model discloses it is based on above problem produces.
[ contents of utility model ]
The utility model aims at prior art not enough, a structure of quick adjustment crowd's frame axiality is proposed, make the crowd's frame top lean on a solid fixed cylinder through the spring between crowd's frame and the screw, on the one hand the crowd's frame receives the spring elastic action and hugs closely on a solid fixed cylinder, on the other hand crowd's frame is unlikely to by the lock death and unable removal, consequently when adjusting the axiality of crowd's frame and solid fixed cylinder, can push away the crowd's frame along crowd's frame radial direction and remove, make the axis of crowd's frame coincide as far as possible with the axis of solid fixed cylinder, realize the axiality of quick adjustment crowd's frame and solid fixed cylinder.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a structure of quick adjustment crowd's frame axiality which characterized in that includes a fixed section of thick bamboo 1, be provided with a barrel cavity 11 in the fixed section of thick bamboo 1, crowd's frame 2 has been placed in the barrel cavity 11, be equipped with at least three vestibule 21 that distributes along the circumferencial direction on the crowd's frame 2, wear to be equipped with in the vestibule 21 and connect crowd's frame 2 screw 4 on fixed section of thick bamboo 1, screw 4 covers and is equipped with the spring 3 that leans on crowd's frame 2 top on fixed section of thick bamboo 1, still be provided with the crowd's frame chamber 22 that is used for placing the lens in.
The structure of quick adjustment crowd frame axiality as above, its characterized in that screw 4 is including preceding screw body 41, back screw body 42, screw cap 43, the diameter of screw cap 43 is greater than the diameter of back screw body 42, the diameter of back screw body 42 is greater than the diameter of preceding screw body 41.
The structure for rapidly adjusting the coaxiality of the group frames is characterized in that the bore 21 comprises a front bore 211 and a rear bore 212 communicated with the front bore 211, the diameter of the front bore 211 is larger than that of the rear screw body 42, and the diameter of the rear bore 212 is larger than that of the front bore 211.
The structure for quickly adjusting the coaxiality of the group frame is characterized in that the fixed cylinder 1 is provided with a screw hole 12 matched with the front screw rod body 41, the screw 4 is sleeved with the spring 3 and then penetrates through the hole cavity 21 to be screwed into the screw hole 12, and the spring 3 is extruded and deformed by the screw 4 to prop the group frame 2 against the fixed cylinder 1.
The structure for rapidly adjusting the coaxiality of the group frame is characterized in that the group frame 2 is provided with three pore cavities 21 which are uniformly distributed along the circumferential direction, and the group frame 2 abuts against the fixed cylinder 1 through three screws 4 and three springs 3.
The utility model has the advantages that:
1. the group frame is tightly attached to the fixed cylinder under the action of the elastic force of the spring, so that the group frame cannot be locked and cannot move, the manipulator device does not need to press the group frame from the front side, the central axis of the group frame can be coincided with the central axis of the fixed cylinder only by moving the group frame in the radial direction, the coaxiality of the mirror frame can be quickly adjusted, and the operation is flexible and simple;
2. the utility model has simple structure, convenient operation, less time consumption, great production yield of the elevator, capacity improvement, and avoidance of the disadvantages of high cost and complex operation brought by the previous manipulator device and image recognition operation;
3. the manipulator device for adjusting the coaxiality of the group frame of the utility model has simple structure, greatly simplifies the adjusting process, and greatly reduces the production cost and the manufacturing procedure;
4. the utility model avoids the defects of tolerance inclination accumulated by a plurality of groups of frames, being far away from the optical design value and being difficult to realize the optical design target;
5. the moving direction of the coaxiality of the group frame of the utility model regulated by the mechanical hand device is only the radial direction of the group frame, and the mechanical hand device does not need to press the group frame along the front surface of the optical axis direction, so that the jig cannot be avoided due to large light angle, and the application range of the coaxiality of the group frame is more extensive;
6. the utility model has no requirement on the multiplying power for adjusting the coaxiality of the group frames, indirectly reduces the difficulty of optical design, simplifies the structure and reduces the cost;
7. the optical design device can meet the increasingly-improved specification requirement of optics and the optical design performance, and make up the defects of the existing production and product technology;
8. the utility model discloses a crowd's frame axiality is adjusted, can assist the improvement of the optical design degree of difficulty, concentrates on a design with sensitive item, finally promotes the wholeness ability of product design.
[ description of the drawings ]
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a plan view of the cluster frame attached to the fixed cylinder;
FIG. 3 is a cross-sectional view of FIG. 2;
FIG. 4 is an exploded view of FIG. 3;
fig. 5 is a plan view of the group frame.
[ detailed description of the invention ]
The following description is further detailed with reference to the accompanying drawings and embodiments of the present invention:
as shown in fig. 1-5, a structure for rapidly adjusting the coaxiality of a group frame includes a fixed cylinder 1, a cylinder cavity 11 is provided in the fixed cylinder 1, a group frame 2 is placed in the cylinder cavity 11, at least three hole cavities 21 distributed along the circumferential direction are provided on the group frame 2, a screw 4 for connecting the group frame 2 to the fixed cylinder 1 is inserted in the hole cavity 21, a spring 3 for abutting the group frame 2 against the fixed cylinder 1 is sleeved on the screw 4, and a group frame cavity 22 for placing a lens is further provided in the group frame 2. After the screw 4 is locked on the fixed cylinder 1, the spring 3 is extruded and deformed by the screw 4 to enable the bearing surfaces of the group frame 2 and the cylinder cavity 11 to be flat, a gap is reserved between the cavity 21 and the screw 4, on one hand, the group frame 2 is tightly attached to the fixed cylinder 1 under the action of the elastic force of the spring 3, on the other hand, the group frame 2 cannot be locked and cannot move, therefore, when the coaxiality of the group frame 2 and the fixed cylinder 1 is adjusted, the group frame 2 can be pushed to move along the radial direction of the group frame 2, the central axis of the group frame 2 is overlapped with the central axis of the fixed cylinder 1 as much as possible, the coaxiality of the group frame 2 and the fixed cylinder 1 is adjusted rapidly, the operation is convenient, the specification requirements of increasing optics and the optical design performance are met, and the defects of the existing production and product technology are. Because the movement direction of adjusting the coaxiality of the group frame 2 is only the radial direction of the group frame 2, the manipulator device does not need to press the group frame 2 from the front surface, so that the jig can be avoided when the light angle is large, and the application range of adjusting the coaxiality of the group frame 2 is wider.
As shown in fig. 3-4, the screw 4 includes a front screw body 41, a rear screw body 42, and a screw cap 43, wherein the diameter of the screw cap 43 is larger than the diameter of the rear screw body 42, and the diameter of the rear screw body 42 is larger than the diameter of the front screw body 41. The screw 4 is fixed on the fixed cylinder 1 after passing through the hole cavity 21, so that the group frame 2 is connected on the fixed cylinder 1.
As shown in fig. 3-4, the bore 21 includes a front bore 211 and a rear bore 212 communicating with the front bore 211, the front bore 211 having a diameter larger than the rear screw body 42, and the rear bore 212 having a diameter larger than the front bore 211.
As shown in fig. 3-4, the fixing cylinder 1 is provided with a screw hole 12 matching with the front screw rod body 41, the screw 4 is sleeved with the spring 3 and then passes through the hole cavity 21 to be screwed into the screw hole 12, the front screw body 41 is completely screwed into the screw hole 12 to enable the rear screw body 42 to be abutted against the fixed cylinder 1, a gap is reserved between the rear screw body 42 and the hole cavity 21, the spring 3 is positioned in the gap between the rear screw body 42 and the rear hole cavity 212, the spring 3 is pressed by the screw 4 to deform and then pushes the group frame 2 against the fixed cylinder 1, on one hand, the group frame 2 is tightly attached to the fixed cylinder 1 under the action of the elastic force of the spring 3, on the other hand, the group frame 2 is not locked and can not move, when the coaxiality of the group frame 2 and the fixed cylinder 1 is adjusted, the group frame 2 can be pushed to move along the radial direction of the group frame 2, so that the central axis of the group frame 2 and the central axis of the fixed cylinder 1 are superposed as much as possible, and the coaxiality of the group frame 2 can be quickly adjusted. Meanwhile, for the coaxiality adjustment of the multiple groups of frames, the coaxiality of each group of frames and the fixed cylinder 1 can be adjusted in sequence, and the defects that the tolerance inclination accumulated by the multiple groups of frames is far away from an optical design value and the optical design target is difficult to achieve are overcome. The novel structure has no requirement on the multiplying power for adjusting the coaxiality of the group frame 2, indirectly reduces the difficulty of optical design, and simplifies the structure.
As shown in fig. 2-5, three holes 21 are uniformly distributed along the circumferential direction on the group frame 2, and the group frame 2 is abutted against the fixed cylinder 1 through three screws 4 and three springs 3. The group frame 2 is suppressed by the three springs 3, so that the group frame 2 is kept flatly attached to the bearing surface of the barrel cavity 11 when the manipulator device moves the group frame 2, the group frame 2 is not inclined, the operation is simple and convenient, the consumed time is short, the production yield of the elevator can be greatly improved, and the productivity is improved.
Claims (5)
1. The utility model provides a structure of quick adjustment crowd's frame axiality which characterized in that: including a fixed cylinder (1), be provided with a barrel chamber (11) in a fixed cylinder (1), group frame (2) have been placed in barrel chamber (11), be equipped with at least three vestibule (21) that distribute along the circumferencial direction on group frame (2), wear to be equipped with screw (4) of connecting group frame (2) on a fixed cylinder (1) in vestibule (21), screw (4) cover is equipped with and leans on spring (3) on a fixed cylinder (1) with group frame (2) top, group frame (2) still are provided with group frame chamber (22) that are used for placing the lens.
2. The structure for rapidly adjusting the coaxiality of the group frames according to claim 1, wherein: screw (4) including preceding screw body (41), back screw body (42), screw cap (43), the diameter of screw cap (43) is greater than the diameter of back screw body (42), the diameter of back screw body (42) is greater than the diameter of preceding screw body (41).
3. The structure for rapidly adjusting the coaxiality of the group frames according to claim 1, wherein: the bore (21) comprises a front bore (211) and a rear bore (212) communicated with the front bore (211), the diameter of the front bore (211) is larger than that of the rear screw body (42), and the diameter of the rear bore (212) is larger than that of the front bore (211).
4. The structure for rapidly adjusting the coaxiality of the group frames as claimed in claim 2, wherein: the fixing barrel is characterized in that a screw hole (12) matched with the front screw rod body (41) is formed in the fixing barrel (1), the screw (4) penetrates through the hole cavity (21) and is screwed into the screw hole (12) after being sleeved with the spring (3), and the spring (3) is extruded and deformed by the screw (4) to enable the group frame (2) to be abutted against the fixing barrel (1).
5. The structure for rapidly adjusting the coaxiality of the group frames according to claim 1, wherein: the group frame (2) is provided with three pore cavities (21) which are uniformly distributed along the circumferential direction, and the group frame (2) is propped against the fixed cylinder (1) through three screws (4) and three springs (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482354.5U CN211718593U (en) | 2019-12-30 | 2019-12-30 | Structure for quickly adjusting coaxiality of group frames |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922482354.5U CN211718593U (en) | 2019-12-30 | 2019-12-30 | Structure for quickly adjusting coaxiality of group frames |
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| Publication Number | Publication Date |
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| CN211718593U true CN211718593U (en) | 2020-10-20 |
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| CN201922482354.5U Active CN211718593U (en) | 2019-12-30 | 2019-12-30 | Structure for quickly adjusting coaxiality of group frames |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077623A (en) * | 2019-12-30 | 2020-04-28 | 中山联合光电科技股份有限公司 | Structure for quickly adjusting coaxiality of group frames |
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2019
- 2019-12-30 CN CN201922482354.5U patent/CN211718593U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077623A (en) * | 2019-12-30 | 2020-04-28 | 中山联合光电科技股份有限公司 | Structure for quickly adjusting coaxiality of group frames |
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