Lens assembly

Abstract

The embodiment of the utility model discloses a lens assembly, which is characterized in that a stop structure is arranged on the opposite side of a lens seat or a mounting seat, and a first connecting area and a second connecting area of an elastic part are respectively connected with the mounting seat and the lens seat. Therefore, by utilizing the first stop part and the second stop part which are arranged at an interval, the limiting precision of the stop structure on the lens seat and the mounting seat is improved. And on the other hand, the elastic body is arranged between the first stop part and the second stop part, so that when the lens seat inclines towards one side of the elastic part, the inclination amplitude of the lens seat can be reduced, and excessive wear of the first stop part or the second stop part is avoided. And meanwhile, abnormal deformation of the elastic body can be avoided. And the service lives of the elastic part, the lens seat and the mounting seat are ensured.

Description

Technical Field

[0001] This utility model relates to the field of camera technology, and in particular to a lens assembly. Background Technology

[0002] In a lens assembly, a spring plate is positioned between the lens mount and the base, suspending the lens mount from the base via the spring plate. This serves to secure the lens mount, drive it to reset, and provide cushioning and shock absorption. However, it's difficult to guarantee that the lens mount will always move along the lens axis, potentially causing it to tilt when it contacts the base via the limiting structure. This can lead to wear on the limiting structure, the lens mount, or the base, as well as abnormal deformation of the spring plate. Ensuring the positional accuracy of the lens mount when it contacts the base becomes a problem that needs to be solved. Utility Model Content

[0003] In view of this, the present invention provides a lens assembly in which a stop structure is disposed on the opposite side of the lens mount and the mounting base, and a first stop and a second stop are respectively disposed on both sides of the elastic body. Thus, when the lens mount abuts against the mounting base via the stop structure, the first stop and the second stop work together to prevent excessive tilting of the lens mount, thereby ensuring the relative positional accuracy of the lens mount and the mounting base.

[0004] The lens assembly of this utility model embodiment includes:

[0005] Mounting base;

[0006] Lens mount;

[0007] The elastic portion includes a first connecting region, a second connecting region, and an elastic body, the elastic body being connected between the first connecting region and the second connecting region. The first connecting region is connected to the mounting base, and the second connecting region is connected to the lens mount and extends in a bent manner.

[0008] A stop structure is provided on the lens mount and / or the mounting base. The stop structure includes a plurality of first stop portions and a plurality of second stop portions. The plurality of first stop portions and the plurality of second stop portions are provided in a one-to-one correspondence. The first stop portions and the second stop portions protrude toward the opposite side of the lens mount and the mounting base, and the first stop portions and the corresponding second stop portions are located on both sides of the elastic body.

[0009] Furthermore, the protrusion height of the second stop is greater than the protrusion height of the first stop, and the difference between the protrusion heights of the second stop and the first stop is within a predetermined range.

[0010] Furthermore, the difference in the protrusion height between the second stop and the first stop is C, where 0mm < C ≤ 0.0387mm.

[0011] Furthermore, the lens mount has a first contact position and a second contact position;

[0012] At the first contact position, the lens mount and the mounting base abut against each other through the second stop portion, and the first stop portion is spaced apart from the lens mount or the mounting base;

[0013] At the second contact position, the lens mount and the mounting base abut against each other through the first stop and the second stop.

[0014] Furthermore, the elastomer includes a first connecting end and a second connecting end, wherein the first connecting end is connected to the first connecting region, and the second connecting end is connected to the second connecting region;

[0015] The first stop portion is closer to the first connecting end than the second stop portion.

[0016] Furthermore, the first connecting end is connected to the side of the first connecting area near the first stop portion;

[0017] The second stop portion is located on the side of the first connecting area away from the first stop portion, and the second connecting area is disposed adjacent to the second stop portion.

[0018] Furthermore, the mounting base has a first surface, on which a first connecting boss is provided;

[0019] The first connection area is disposed on the platform of the first connection boss, and at least a portion of the elastic body is opposite to and spaced apart from the first surface.

[0020] Furthermore, in the direction in which the lens mount is projected onto the mounting base, at least a portion of the first stop and at least a portion of the second stop coincide with the edge region of the lens mount, and the first connecting area is offset from the lens mount.

[0021] Furthermore, the lens mount has a second surface facing the first surface, and the second surface is provided with a second connecting boss;

[0022] The second connection area is disposed on the platform of the second connection boss, and at least a portion of the elastic body is opposite to and spaced apart from the second surface.

[0023] Furthermore, the first connecting area is a sheet-like structure, and the protrusion height of the first stop and the second stop is greater than the thickness of the sheet-like structure;

[0024] When the elastic part is in a free state, the first connecting area corresponds to the side of the first stop part and the side of the second stop part.

[0025] Furthermore, the elastomer includes a first connecting end and a second connecting end, wherein the first connecting end is connected to the first connecting region, and the second connecting end is connected to the second connecting region;

[0026] The first connecting area has a first side edge, which is located on the side of the first connecting area near the lens mount and at the edge of the first connecting boss, and the first connecting end is connected to the first side edge.

[0027] Furthermore, the first side edge includes a clearance section and a connecting section in the length direction. The clearance section is located on the platform of the first connecting boss, and the connecting section is close to the edge of the first connecting boss and connected to the first connecting end relative to the clearance section.

[0028] The first stop is disposed adjacent to the connecting section, and the second stop is disposed adjacent to the clearance section.

[0029] Furthermore, the first stop portion includes a first stop boss, and the first stop boss has a first stop surface;

[0030] The second stop portion includes a second stop boss, and the second stop boss has a second stop surface;

[0031] The area of ​​the first stop surface is greater than the area of ​​the second stop surface.

[0032] Furthermore, the straight line connecting the first stop surface and the second stop surface on the side away from the lens mount passes through the first connecting end and is located on the side of the first side edge near the lens mount.

[0033] Furthermore, the first stop boss and the second stop boss are disposed on the mounting base, and the first stop boss and the second stop boss protrude toward the lens mount, and the edge of the platform of the second stop boss is provided with rounded corners.

[0034] Furthermore, the second stop portion also includes a third stop boss;

[0035] The first stop protrusion and the second stop protrusion are disposed on the lens mount, and the first stop protrusion and the second stop protrusion protrude toward the mounting base. The third stop protrusion is disposed on the mounting base, and the third stop protrusion protrudes toward the mounting base and corresponds to the second stop protrusion. The edge of the table surface of the second stop protrusion and / or the third stop protrusion is provided with rounded corners.

[0036] Furthermore, there are multiple first stop portions and multiple second stop portions, and the first stop portions and the second stop portions form a stop unit;

[0037] The number of elastic parts is multiple, and each elastic part includes multiple elastic units that correspond one-to-one with the multiple stop units. Each elastic unit includes a first connecting area, a second connecting area, and the elastic body, and the multiple elastic units are located on the side of the multiple elastic parts that are far apart from each other.

[0038] Furthermore, the number of elastic parts is two, and the two elastic parts are arranged opposite to each other. Each elastic part includes a connecting body, and the two ends of the connecting body are connected to two second connecting areas.

[0039] The elastic portion includes two elastic units, and two first stop portions corresponding to the same elastic portion are located on the side where the two elastic units are close to each other.

[0040] Furthermore, the stop structure also includes:

[0041] Two third stop portions are disposed on the lens mount and / or the mounting base, the third stop portions protrude toward the opposite side of the lens mount and the mounting base, and the protrusion height of the third stop portions is the same as that of the second stop portions;

[0042] The two third stop portions are respectively disposed corresponding to the two elastic portions, and the third stop portions are located between the corresponding two first stop portions.

[0043] Furthermore, the stop structure also includes:

[0044] Two rotation limiting parts are respectively provided corresponding to the two third stop parts. The rotation limiting parts are provided on the lens mount and / or the mounting base and protrude toward the opposite side of the lens mount and the mounting base. The side of the rotation limiting part is at least partially opposite to the side of the third stop part.

[0045] In this embodiment of the lens assembly, a stop structure is disposed on the opposite side of the lens mount or mounting base, and the first and second connecting areas of the elastic portion are respectively connected to the mounting base and the lens mount. Thus, by utilizing the spaced-apart first and second stop portions, the limiting accuracy of the stop structure on the lens mount and mounting base is improved. Furthermore, by placing the elastic body between the first and second stop portions, when the lens mount tilts towards one side of the elastic portion, the tilting amplitude of the lens mount can be reduced, preventing excessive wear on the first or second stop portion. Simultaneously, abnormal deformation of the elastic body is also prevented. This ensures the service life of the elastic portion, lens mount, and mounting base. Attached Figure Description

[0046] The above and other objects, features and advantages of the present invention will become clearer from the following description of embodiments of the present invention with reference to the accompanying drawings, in which:

[0047] Figure 1 This is a schematic diagram of one side of the lens assembly provided in the first embodiment of the present invention;

[0048] Figure 2 This is a schematic diagram of the other side of the lens assembly provided in the first embodiment of the present invention;

[0049] Figure 3 This is a schematic diagram of another side of the lens assembly provided in the first embodiment of this utility model;

[0050] Figure 4 This is a schematic diagram of one side of the lens assembly provided in the second embodiment of the present invention;

[0051] Figure 5 This is a schematic diagram of the other side of the lens assembly provided in the second embodiment of the present invention;

[0052] Figure 6 This is a partial structural schematic diagram of the lens assembly provided in the second embodiment of the present utility model;

[0053] Figure 7 This is an exploded view of the lens assembly provided in the first embodiment of the present invention;

[0054] Figure 8 yes Figure 3 Enlarged view of point A in the middle;

[0055] Figure 9 This is an exploded view of the lens assembly provided in the second embodiment of the present invention;

[0056] Figure 10 yes Figure 5 Enlarged view of point B in the middle;

[0057] Figure 11 This is a dimensional schematic diagram of the stop structure provided in the first embodiment of this utility model;

[0058] Figure 12 This is a dimensional schematic diagram of the stop structure provided in the second embodiment of this utility model;

[0059] Figure 13 This is a schematic diagram of the movement state of the lens assembly according to an embodiment of the present utility model;

[0060] Figure 14 This is a cross-sectional schematic diagram of the lens assembly provided in the first embodiment of this utility model;

[0061] Figure 15This is a schematic diagram of the elastic part and mounting base provided in the first embodiment of this utility model;

[0062] Figure 16 This is a structural schematic diagram of the elastic part and one side of the mounting base provided in the second embodiment of this utility model;

[0063] Figure 17 This is a schematic diagram of the structure of the elastic part and the other side of the mounting base provided in the second embodiment of this utility model;

[0064] Figure 18 This is a schematic diagram showing the positional relationship between the elastic part and the mounting base provided in the first embodiment of this utility model;

[0065] Figure 19 This is a partial schematic diagram of the elastic part provided in the first embodiment of the present invention;

[0066] Figure 20 This is a schematic diagram showing the positional relationship between the elastic part and the lens mount provided in the second embodiment of this utility model;

[0067] Figure 21 This is a partial schematic diagram of the elastic part provided in the second embodiment of the present invention.

[0068] Explanation of reference numerals in the attached figures:

[0069] 1-Stop structure;

[0070] 11-First stop; 12-Second stop; 13-Third stop; 14-Rotation limit;

[0071] 2-Elastic part;

[0072] 21-First connecting area; 211-First side edge; 212-Avoidance section; 213-Connecting section;

[0073] 22-Second connection area;

[0074] 23-Elastomer; 231-First connecting end; 232-Second connecting end;

[0075] 24-Connector;

[0076] 3-Lens mount;

[0077] 31 - Second face; 32 - Second connecting boss;

[0078] 4-Mounting base;

[0079] 41-First side; 42-First connecting boss; 421-First side surface;

[0080] 51-First stop boss; 511-First stop surface;

[0081] 52-Second stop boss; 521-Second stop surface;

[0082] 53-Third stop boss;

[0083] 6- Connect the straight lines;

[0084] 7-Coil. Detailed Implementation

[0085] The present invention will now be described based on embodiments, but it is not limited to these embodiments. In the following detailed description of the present invention, certain specific details are described in detail. Those skilled in the art will fully understand the present invention even without these details. To avoid obscuring the essence of the present invention, well-known methods, processes, flows, elements, and circuits are not described in detail.

[0086] Furthermore, those skilled in the art should understand that the accompanying drawings provided herein are for illustrative purposes only and are not necessarily drawn to scale.

[0087] Unless the context explicitly requires it, words such as "including" or "contains" throughout the application should be interpreted as including rather than exclusive or exhaustive; that is, meaning "including but not limited to".

[0088] In the description of this utility model, it should be understood that the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Furthermore, in the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0089] Unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0090] For ease of explanation, spatially related terms such as “inside,” “outside,” “below,” “below,” “lower,” “above,” “upper,” etc., are used herein to describe the relationship between one element or feature illustrated in the figure and another. It will be understood that spatially related terms may be intended to encompass different orientations of the device in use or operation besides those depicted in the figure. For example, if the device in the figure is flipped, an element described as “below” or “below” another element or feature would then be positioned “above” that other element or feature. Thus, the exemplified term “below” can encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially related descriptive terms used herein should be interpreted accordingly.

[0091] Figures 1-3 This is a schematic diagram of the lens assembly provided in the first embodiment. Figures 4-6 This is a schematic diagram of the lens assembly provided in the second embodiment.

[0092] In some implementations, such as Figures 1-6 As shown, the lens assembly in this embodiment includes a stop structure 1, an elastic part 2, a lens mount 3, a mounting base 4, and a coil 7. The coil 7 is disposed on the lens mount 3. The stop structure 1 is disposed on the lens mount 3 and / or the mounting base 4, and the stop structure 1 is located on opposite sides of the lens mount 3 and the mounting base 4. When the lens mount 3 and the mounting base 4 approach each other, the stop structure 1 is used to limit the relative position between the lens mount 3 and the mounting base 4.

[0093] Furthermore, the lens assembly also includes a lens and a magnetic component. The lens is mounted in the mounting hole of the lens mount 3. The magnetic field generated when the coil 7 is energized can act on the magnetic component, thereby using the magnetic component to move the lens.

[0094] Figure 7 This is an exploded view of the lens assembly provided in the first embodiment. Figure 8 yes Figure 3 Enlarged diagram of point A in the middle. Figure 9 This is an exploded view of the lens assembly provided in the second embodiment. Figure 10 yes Figure 5 Enlarged diagram of point B in the middle.

[0095] Further reference Figures 7-10 As shown, the elastic part 2 includes a first connecting area 21, a second connecting area 22 and an elastic body 23. The elastic body 23 is connected between the first connecting area 21 and the second connecting area 22. The first connecting area 21 is connected to the mounting base 4 and the second connecting area 22 is connected to the lens mount 3.

[0096] Optionally, the first connecting area 21 and the second connecting area 22 can be fixed to the outer surfaces of the mounting base 4 and the lens mount 3, respectively. For example, they can be fixed by means of adhesive or welding. Alternatively, using an insert molding process, the first connecting area 21 and the second connecting area 22 can be disposed as inserts on the inner sides of the mounting base 4 and the lens mount 3, respectively.

[0097] Specifically, the second connecting area 22 is fixed to the lens mount 3 and the first connecting area 21 is fixed to the mounting base 4 with adhesive, and then the first connecting area 21 and the mounting base 4 are fixed again by welding.

[0098] Further reference Figures 1-10 As shown, the stop structure 1 includes a first stop portion 11 and a second stop portion 12. The first stop portion 11 and the second stop portion 12 are arranged in pairs, and the first stop portion 11 and the second stop portion 12 protrude toward the opposite side of the lens mount 3 and the mounting base 4, and the first stop portion 11 and the second stop portion 12 are located on both sides of the elastic body 23.

[0099] Specifically, when the magnetic force of the magnetic component disappears, under the action of the restoring elastic force of the elastic body 23, the lens mount 3 will approach the mounting base 4 until the lens mount 3 collides with the mounting base 4 through the stop structure 1. Then, the lens mount 3 will separate from the mounting base 4 again, so that the lens mount 3 is suspended above the mounting base 4. In this form, there is a certain gap between the lens mount 3 and the mounting base 4.

[0100] Optionally, the first stop 11 and the second stop 12 are simultaneously disposed on the mounting base 4, such that the first stop 11 and the second stop 12 both protrude toward the lens mount 3. This reduces the overall weight of the lens mount 3 and improves the response speed of the lens mount 3 when the magnetic assembly drives the lens mount 3 to move.

[0101] Optionally, the first stop 11 and the second stop 12 are simultaneously disposed on the lens mount 3, such that the first stop 11 and the second stop 12 both protrude toward the mounting base 4. This improves the overall mechanical strength of the lens mount 3.

[0102] Optionally, the first stop 11 is disposed on the lens mount 3, and the second stop 12 is disposed on the mounting base 4. Alternatively, the first stop 11 is disposed on the mounting base 4, and the second stop 12 is disposed on the lens mount 3. This allows those skilled in the art to control the center of gravity of the lens mount 3 through the stop structure 1, ensuring the movement accuracy of the lens mount 3.

[0103] Specifically, the stop structure 1 is injection molded together with the lens mount 3 and / or the mounting base 4. The injection molding material can be an engineering plastic (e.g., ET530). This ensures that the stop structure 1 has a certain degree of wear resistance.

[0104] In summary, in this embodiment, the lens assembly has the stop structure 1 positioned on the opposite side of the lens mount 3 or the mounting base 4, and the first connecting area 21 and the second connecting area 22 of the elastic part 2 are connected to the mounting base 4 and the lens mount 3, respectively. Thus, by utilizing the spaced first stop 11 and second stop 12, the limiting accuracy of the stop structure 1 on the lens mount 3 and the mounting base 4 is improved. On the other hand, by placing the elastic body 23 between the first stop 11 and the second stop 12, when the lens mount 3 tilts towards the side of the elastic part 2, the tilting amplitude of the lens mount 3 can be reduced, preventing excessive wear on the first stop 11 or the second stop 12. Simultaneously, abnormal deformation of the elastic body 23 can also be prevented. This ensures the service life of the elastic part 2, the lens mount 3, and the mounting base 4.

[0105] Figure 11 This is a schematic diagram of the dimensions of the stop structure 1 provided in the first embodiment. Figure 12 This is a schematic diagram of the dimensions of the stop structure 1 provided in the second embodiment. Figure 13 This is a schematic diagram of the movement of the lens assembly.

[0106] Specifically, such as Figure 11 As shown, the first stop 11 and the second stop 12 protrude from the mounting base 4. The height of the first stop 11 is dimension A1, and the height of the second stop 12 is dimension A2. The lens mount 3 in the figure is suspended above the mounting base 4, that is, the lens mount 3 is in a stationary state. The lens mount 3 has a second surface 31 that mates with the stop structure 1. In this configuration, the distances from the first stop 11 and the second stop 12 to the second surface 31 are dimensions L1 and L2, respectively.

[0107] Specifically, such as Figure 12 As shown, a first stop 11 protrudes from the lens mount 3, and a second stop 12 is simultaneously disposed on both the lens mount 3 and the mounting base 4. The height of the first stop 11 is dimension A1, and the height of the second stop 12 is dimension A2. The second stop 12 includes a second stop boss 52 and a second stop boss 52, with height dimensions A21 and A22 respectively. That is, the sum of dimensions A21 and A22 equals dimension A2.

[0108] Specifically, such as Figure 13As shown, states I and II correspond to the first embodiment described above. State III corresponds to the second embodiment described above. In states I and III, the lens mount 3 contacts the stop structure 1 along or approximately along the lens axis. In this configuration, the second stop portion 12 abuts against the lens mount 3 (the second stop boss 52 abuts against the second stop boss 52), while the first stop portion 11 remains spaced from the lens mount 3 or the mounting base 4. Furthermore, the enlarged view of state III shows the state of the edges of the second stop boss 52 and the third stop boss 53 after the lens mount 3 is tilted. In state II, the lens mount 3 tilts after contacting the second stop portion 12, causing a portion of the second surface 31 to abut against the first stop portion 11. That is, the lens mount 3 experiences a secondary collision with the stop structure 1.

[0109] In state I, the lens mount 3 flips along one edge of the second stop protrusion 52, with a flip radius of approximately R1. In state III, the lens mount 3 flips along the edges of the second stop protrusion 52 and the third stop protrusion 53, with a flip radius of approximately R2. As can be seen from the figure, the height difference between the first stop protrusion 51 and the second stop protrusion 52 in state I is greater than that in state III. Therefore, R1 is greater than R2. Consequently, when the stop structure 1 experiences a secondary collision, the tilt amplitude in state I is greater than that in state III.

[0110] In some implementations, such as Figures 11-12 As shown, the protrusion height of the second stop portion 12 is configured to be greater than the protrusion height of the first stop portion 11, and the difference between the protrusion heights of the second stop portion 12 and the first stop portion 11 is within a predetermined range. That is, dimension A2 is greater than dimension A1.

[0111] Therefore, in this embodiment, the first stop 11 and the second stop 12 are configured with different heights to reduce the occurrence of situations where the lens mount 3 or mounting base 4 simultaneously contacts the first stop 11 and the second stop 12, that is, to reduce the contact area between the stop structure 1 and the lens mount 3 or mounting base 4. This helps those skilled in the art to control the relative distance between the lens mount 3 and the mounting base 4 using the stop structure 1. At the same time, it also reduces wear on the stop structure 1.

[0112] In some implementations, such as Figures 11-13 As shown, the lens mount 3 has a first contact position and a second contact position.

[0113] It is easy to understand that the elastic deformation of the elastic part 2 has uncontrollable factors. That is, in some cases, the lens mount 3 can move along the axial direction. But in other cases, the deformation generated by the elastic body 23 causes the lens mount 3 to randomly flip without direction.

[0114] In this embodiment, when the movement trajectory of the lens mount 3 is relatively stable, it will contact the mounting base 4 at the first contact position and then move away from the mounting base 4 after contact. During this process, the lens mount 3 and the mounting base 4 abut against each other through the second stop 12, and the first stop 11 is spaced apart from the lens mount 3 or the mounting base 4. When the movement trajectory of the lens mount 3 is unstable (for example, the speed of the lens mount 3 is too fast or the elastic part 2 undergoes unstable deformation due to its own defects), the lens mount 3 will first contact the second stop 12, then tilt, and contact the first stop 11 at the second contact position. In this form, the lens mount 3 and the mounting base 4 abut against each other through the first stop 11 and the second stop 12, and after contact, the lens mount 3 and the mounting base 4 move away from each other.

[0115] Optionally, the second surface 31 is a plane, with dimension A2 larger than dimension A1, such that dimension L2 is larger than dimension L1. The second surface 31 is perpendicular or approximately perpendicular to the direction of movement of the lens mount 3. Taking the stop structure 1 installed on the mounting base 4 as an example, as... Figure 11 and Figure 13 As shown, in this embodiment, when the movement trajectory of the lens mount 3 is stable, the second stop 12 limits the lens mount 3, reducing the contact area between the lens mount 3 and the stop structure 1. This improves the limiting accuracy. Furthermore, it reduces wear between the lens mount 3 and the stop structure 1. On the other hand, when the movement trajectory of the lens mount 3 is unstable, the lens mount 3 tilts after contacting the second stop 12. In this case, the first stop 11, with a height smaller than the second stop 12, limits the lens mount 3, preventing excessive tilting and also limiting the deformation of the elastic body 23. Figure 13 As shown in region IIa, the first stop 11 can also prevent the edge of the second stop 12 from being excessively worn, which would cause the top surface of the second stop 12 to tilt.

[0116] In some implementations, such as Figures 11-12 As shown, the difference in height between the second stop portion 12 and the first stop portion 11 is C. Where 0mm < C ≤ 0.0387mm. That is, the value of dimension A2 minus dimension A1 is greater than 0mm and less than or equal to 0.0387mm. Optionally, C can be configured as 0.01mm.

[0117] It is easy to understand that in this embodiment, considering the influence of the tolerances generated by the stop structure 1, lens mount 3, and mounting base 4 on the height difference between the first stop part 11 and the second stop part 12, the standard deviation of the dimensions of the lens mount 3, mounting base 4, and stop structure 1 is controlled within 3σ, so that the lens assembly can meet the height difference requirement between the first stop part 11 and the second stop part 12 in 99.7% of cases.

[0118] Figure 14This is a cross-sectional schematic diagram of the lens assembly provided in the first embodiment. Figure 15 This is a schematic diagram of the structure of the elastic part 2 and the mounting base 4 provided in the first embodiment. Figure 16 and Figure 17 This is a schematic diagram of the structure of the elastic part 2 and the mounting base 4 provided in the second embodiment. Figure 18 This is a schematic diagram showing the positional relationship between the elastic part 2 and the mounting base 4 provided in the first embodiment. Figure 19 This is a partial schematic diagram of the elastic part 2 provided in the first embodiment. Figure 20 This is a schematic diagram showing the positional relationship between the elastic part 2 and the lens mount 3 provided in the second embodiment. Figure 21 This is a partial schematic diagram of the elastic part 2 provided in the second embodiment. The top surface of the first stop part 11 in each figure is drawn with a cross-sectional line to distinguish it from the second stop part 12 and the third stop part 13.

[0119] In some implementations, such as Figures 14-21 As shown, the elastomer 23 includes a first connecting end 231 and a second connecting end 232. The first connecting end 231 is connected to the first connecting region 21, and the second connecting end 232 is connected to the second connecting region 22. The stop structure 1 is configured such that the first stop portion 11 is closer to the first connecting end 231 than the second stop portion 12.

[0120] Specifically, the elastic body 23 is a strip-shaped structure, extending from the first connecting region 21 to the second connecting region 22. In this embodiment, during the up-and-down movement of the lens mount 3, when the elastic part 2 undergoes elastic deformation, the deformation amplitude near the first connecting end 231 in the extending direction of the elastic body 23 is smaller than the deformation amplitude in the middle region of the elastic body 23. This results in less bending deformation along the thickness direction of the strip-shaped structure in the region near the first connecting end 231, and more circumferential torsional deformation along the extending direction of the strip-shaped structure.

[0121] Therefore, the second stop 12 is positioned away from the first connecting end 231. When the lens mount 3 moves radially along the lens or flips away from the first stop 11, the second stop 12 can preferentially limit its movement, ensuring the contact area between the second stop 12 and the lens mount 3. Meanwhile, the first stop 11, adjacent to the first connecting end 231, can effectively limit the rotation range of the lens mount 3 when it flips.

[0122] In some implementations, such as Figures 14-21 As shown, the first connecting end 231 is connected to the side of the first connecting area 21 closer to the first stop portion 11. The second stop portion 12 is located on the side of the first connecting area 21 away from the first stop portion 11, and the second connecting area 22 is disposed adjacent to the second stop portion 12.

[0123] Specifically, in the axial cross-sectional direction of the lens, the second stop portion 12 is offset from the second connecting area 22. In this embodiment, the second connecting area 22 moves to its maximum extent under the drive of the lens mount 3. Offsetting the second connecting area 22 from the second stop portion 12 can prevent the second connecting area 22 from contacting the second stop portion 12. At the same time, when the second connecting area 22 drives the lens mount 3 to move, the contact area between the second stop portion 12 and the lens mount 3 can also be guaranteed.

[0124] In some implementations, such as Figure 16 As shown, the mounting base 4 has a first surface 41, and a first connecting boss 42 protrudes from the first surface 41. A first connecting area 21 is disposed on the platform of the first connecting boss 42, and at least a portion of the elastic body 23 is opposite to and spaced apart from the first surface 41. Specifically, the first connecting boss 42 is located at the edge of the mounting base 4. In this embodiment, when the elastic body 23 bends and deforms, it can avoid contact between the elastic body 23 and the mounting base 4, and ensure that the elastic part 2 has sufficient deformation space.

[0125] In some implementations, such as Figures 1-6 As shown, in the direction of projection of the lens mount 3 onto the mounting base 4, at least a portion of the first stop portion 11 and at least a portion of the second stop portion 12 coincide with the edge region of the lens mount 3, and the first connecting area 21 is offset from the lens mount 3.

[0126] In this embodiment, the first connecting area 21 extends laterally towards the lens mount 3 and is exposed on the outer side of the lens mount 3. This facilitates the assembly of the lens mount 3, the mounting base 4, and the elastic part 2 by the operator. For example, the second connecting area 22 is first fixedly connected to the lens mount 3, and then the elastic part 2 and the lens mount 3 are placed on the edge of the mounting base 4 via the first connecting area 21. Finally, the first connecting area 21 is bonded or welded to the mounting base 4.

[0127] In some implementations, such as Figure 5 , Figure 9 and Figure 14 As shown, the lens mount 3 has a second surface 31 facing the first surface 41, and a second connecting boss 32 protrudes from the second surface 31. A second connecting area 22 is disposed on the platform of the second connecting boss 32, and at least a portion of the elastic body 23 is positioned opposite and spaced apart from the second surface 31. In this embodiment, the area between the first surface 41 and the second surface 31 forms a deformation space to allow the elastic body 23 to bend and deform, thus preventing the elastic body 23 from colliding with the lens mount 3 or the mounting base 4.

[0128] Furthermore, such as Figure 8As shown, the first connecting area 21 has a sheet-like structure, and the protrusion height of the first stop 11 and the second stop 12 is greater than the thickness of the sheet-like structure. When the elastic part 2 is in a free state, the side surface of the first connecting area 21 corresponds to the side surface of the first stop 11 and the second stop 12. This prevents the lens mount 3 from directly contacting the first connecting area 21 and causing compression of the first connecting area 21.

[0129] In some implementations, such as Figures 18-21 As shown, the elastomer 23 includes a first connecting end 231 and a second connecting end 232. The first connecting end 231 is connected to the first connecting region 21, and the second connecting end 232 is connected to the second connecting region 22. The first connecting region 21 has a first side edge 211, which is located on the side of the first connecting region 21 closer to the lens mount 3. The first side edge 211 is located at the edge of the first connecting boss 42, and the first connecting end 231 is connected to the first side edge 211. This avoids contact between the first connecting end 231 and the top of the first connecting boss 42, and prevents collisions between the first connecting end 231 and the first connecting boss 42 when the strip structure bends and deforms.

[0130] In some implementations, such as Figures 18-19 As shown, the first side edge 211 includes a clearance section 212 and a connecting section 213 in the length direction. The clearance section 212 is located on the platform of the first connecting boss 42, and the connecting section 213 is located relative to the clearance section 212, close to the edge of the first connecting boss 42, and connected to the first connecting end 231. The first stop portion 11 is disposed adjacent to the connecting section 213, and the second stop portion 12 is disposed adjacent to the clearance section 212.

[0131] Optionally, the connecting segment 213 is aligned with the edge of the platform of the first connecting boss 42, or the connecting segment 213 is configured to be aligned with the first side surface 421 of the first connecting boss 42. The first side surface 421 faces the central region of the mounting base 4 and is connected to the first surface 41.

[0132] Therefore, the avoidance section 212 can prevent the edge of the lens mount 3 from being scratched by the first connecting area 21, causing the material detached from the lens mount 3 to form dust adhering to the lens assembly and affecting the imaging effect of the lens assembly. On the other hand, by spacing the first connecting end 231 from the first connecting protrusion 42, interference between the deformation of the elastic body 23 and the first connecting protrusion 42 is prevented. At the same time, the first stop part 11 is arranged adjacent to the connecting section 213 to minimize the possibility that the lens mount 3 will come into contact with the first connecting area 21 after tilting.

[0133] In some implementations, such as Figures 14-17As shown, the first stop portion 11 includes a first stop boss 51, which has a first stop surface 511. The second stop portion 12 includes a second stop boss 52, which has a second stop surface 521. The area of ​​the first stop surface 511 is larger than the area of ​​the second stop surface 521.

[0134] In this embodiment, the area of ​​the first stop surface 511 is relatively small, which can reduce wear between the first stop surface 511 and the lens mount 3 or mounting base 4. Furthermore, with Figure 13 For example, when the lens mount 3 contacts the first stop portion 11, only a portion of the first stop portion 11 contacts the lens mount 3. Therefore, in this embodiment, the area of ​​the first stop surface 511 is reduced, which can reduce the overall weight of the lens assembly and make it easier for those skilled in the art to control the height of the first stop portion 11.

[0135] In some implementations, such as Figures 18-21 As shown, the connecting line 6 between the first stop surface 511 and the second stop surface 521 on the side away from the lens mount 3 passes through the first connecting end 231 and is located on the side of the first side edge 211 near the lens mount 3.

[0136] Specifically, the connecting line 6 is located on the side of the connecting segment 213 closest to the lens mount 3. In this embodiment, the connecting line 6 is a virtual line segment, formed by connecting the sidewalls of the first stop portion 11 and the second stop portion 12 on the side opposite to the fixing hole. When the lens mount 3 flips toward the first connecting boss 42, the edge of the first connecting area 21 is prevented from being lifted from the top of the first connecting boss 42 by the lens mount 3. This ensures a stable connection between the first connecting area 21 and the first connecting boss 42. In addition, it can further limit the deformation range between the first connecting end 231 and the first side edge 211, avoiding fatigue damage at the connection position between the first connecting end 231 and the first side edge 211.

[0137] In some implementations, such as Figures 1-3 and Figure 11 As shown, the first stop protrusion 51 and the second stop protrusion 52 are disposed on the mounting base 4, and the first stop protrusion 51 and the second stop protrusion 52 protrude toward the lens mount 3. In this embodiment, the first stop protrusion 51 and the second stop protrusion 52 are used to cooperate with the second surface 31 to limit the displacement of the lens mount 3. At the same time, it reduces the weight of the lens mount 3.

[0138] In some implementations, such as Figures 4-6 and Figure 12As shown, the second stop portion 12 also includes a third stop protrusion 53. The first stop protrusion 51 and the second stop protrusion 52 are disposed on the lens mount 3, and the first stop protrusion 51 and the second stop protrusion 52 protrude toward the mounting base 4. The third stop protrusion 53 is disposed on the mounting base 4, and the third stop protrusion 53 protrudes toward the mounting base 4 and corresponds to the second stop protrusion.

[0139] In this embodiment, the height of the second stop portion 12 is the sum of the heights of the second stop boss 52 and the third stop boss 53. This reduces the height difference between the second stop boss 52 and the third stop boss 53, thus reducing the rotation radius of the lens mount 3 (e.g., ...). Figure 13 (As shown in R1 and R3 in the figure), thereby reducing the tilt angle of the lens mount 3.

[0140] Furthermore, the top edges of the first stop boss 51, the second stop boss 52, and the third stop boss 53 are rounded. Figure 13 Taking state II as an example, when the lens mount 3 tilts, it can roll along the rounded corners until it comes into contact with the first stop 11. This reduces friction between the lens mount 3 and the second stop 12. Figure 13 Taking the intermediate state III as an example, when the lens mount 3 is tilted, the rounded corner of the second stop boss 52 can roll along the rounded corner of the third stop boss 53, further reducing the wear of the stop structure 1.

[0141] In some implementations, such as Figures 15-17 As shown, there are multiple first stop portions 11 and multiple second stop portions 12, and the first stop portions 11 and multiple second stop portions 12 form a stop unit. There are multiple elastic portions 2, each elastic portion 2 including multiple elastic units corresponding to the multiple stop units. Each elastic unit includes a first connecting area 21, a second connecting area 22, and an elastic body 23, and the multiple elastic units are located on the side of the multiple elastic portions 2 that are far apart from each other. In this embodiment, multiple elastic units cooperate with the corresponding multiple stop units to simultaneously limit the movement of the lens mount 3 in all directions.

[0142] In some implementations, such as Figures 7-10 As shown, there are two elastic parts 2. The two elastic parts 2 are arranged opposite each other. Each elastic part 2 includes a connecting body 24, and two second connecting areas 22 are connected to both ends of the connecting body 24. Further referencing... Figure 15 and Figure 17 As shown, the elastic part 2 includes two elastic units, and two first stop parts 11 corresponding to the same elastic part 2 are located on the side where the two elastic units are close to each other. Thus, this embodiment limits the rotation range of the lens mount 3 along the arrangement direction of the two elastic parts 2, ensuring the consistency of the deformation of the two elastic parts 2.

[0143] In some implementations, such as Figure 7 , Figure 9 and Figure 13 As shown, the stop structure 1 also includes two third stop portions 13. The two third stop portions 13 are disposed on the lens mount 3 and / or the mounting base 4, and protrude towards the opposite side of the lens mount 3 and the mounting base 4, with the protrusion height of the third stop portions 13 being the same as that of the second stop portions 12. The two third stop portions 13 are respectively disposed corresponding to the two elastic portions 2, and the third stop portions 13 are located between the corresponding two first stop portions 11.

[0144] Optionally, such as Figure 7 and Figure 15 As shown, the top surface height of the two third stop portions 13 is the same as the top surface height of the second stop portion 12. This ensures stable contact between the lens mount 3 and the stop structure 1, reducing the occurrence of tilting.

[0145] Further reference Figure 7 and Figure 9 As shown, the stop structure 1 also includes two rotation limiting parts 14. The two rotation limiting parts 14 are respectively disposed corresponding to the two third stop parts 13. The rotation limiting parts 14 are disposed on the lens mount 3 and / or mounting base 4 and protrude towards the opposite sides of the lens mount 3 and mounting base 4. The side surface of the rotation limiting part 14 is at least partially opposite to the side surface of the third stop part 13. In this embodiment, the rotation limiting part 14 is used to cooperate with the third stop part 13 to limit the rotation range of the lens mount 3.

[0146] Specifically, such as Figure 7 As shown, two rotation limiting parts 14 are provided on the lens mount 3. When the first stop part 11 and the second stop part 12 simultaneously abut against the lens mount 3, the end face of the rotation limiting part 14 remains spaced from the mounting base 4. This ensures that the side of the rotation limiting part 14 can abut against the side of the third stop part 13, thereby limiting the rotation range of the lens mount 3.

[0147] The above description is merely a preferred embodiment of this utility model and is not intended to limit the scope of this utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principle of this utility model should be included within the protection scope of this utility model.

Claims

1. A lens assembly, characterized by, The lens assembly comprises: a mounting seat (4); a lens seat (3); an elastic part (2) comprising a first connecting area (21), a second connecting area (22) and an elastic body (23), the elastic body (23) being connected between the first connecting area (21) and the second connecting area (22) and extending in a curved manner, the first connecting area (21) being connected with the mounting seat (4), and the second connecting area (22) being connected with the lens seat (3); and a stop structure (1) provided on the lens seat (3) and / or the mounting seat (4), the stop structure (1) comprising a plurality of first stop portions (11) and a plurality of second stop portions (12), the plurality of first stop portions (11) and the plurality of second stop portions (12) being provided in one-to-one correspondence, the first stop portions (11) and the second stop portions (12) being protruded towards opposite sides of the lens seat (3) and the mounting seat (4), and the first stop portions (11) and the corresponding second stop portions (12) being located on both sides of the elastic body (23).

2. The lens assembly of claim 1, wherein, The protruding height of the second stop portions (12) is greater than the protruding height of the first stop portions (11), and the difference between the protruding height of the second stop portions (12) and the protruding height of the first stop portions (11) is within a predetermined range.

3. The lens assembly of claim 2, wherein, The difference between the protruding height of the second stop portions (12) and the protruding height of the first stop portions (11) is C, wherein 0mm < C ≤ 0.0387mm.

4. The lens assembly of claim 2, wherein, The lens seat (3) has a first contact position and a second contact position; At the first contact position, the lens seat (3) and the mounting seat (4) abut against each other through the second stop portions (12), and the first stop portions (11) are in a spaced state with the lens seat (3) or the mounting seat (4); At the second contact position, the lens seat (3) and the mounting seat (4) abut against each other through the first stop portions (11) and the second stop portions (12).

5. The lens assembly of claim 2, wherein, The elastic body (23) comprises a first connecting end (231) and a second connecting end (232), the first connecting end (231) being connected with the first connecting area (21), and the second connecting end (232) being connected with the second connecting area (22); The first stop portions (11) are closer to the first connecting end (231) relative to the second stop portions (12).

6. The lens assembly of claim 5, wherein, The first connecting end (231) is connected to a side of the first connecting area (21) close to the first stop portions (11); The second stop portions (12) are located on a side of the first connecting area (21) away from the first stop portions (11), and the second connecting area (22) is provided adjacent to the second stop portions (12).

7. The lens assembly of claim 2, wherein, The mounting seat (4) has a first face (41), and the first face (41) is provided with a first connecting boss (42); The first connecting area (21) is provided on a top surface of the first connecting boss (42), and at least part of the elastic body (23) is oppositely and spacedly provided relative to the first face (41).

8. The lens assembly according to claim 7, wherein, The first stop portion (11) and the second stop portion (12) are coincided with the edge area of the lens seat (3) in the direction of the mounting seat (4) projection, and the first connecting area (21) is staggered with the lens seat (3).

9. The lens assembly of claim 7, wherein, The lens seat (3) has a second surface (31) facing the first surface (41), and the second surface (31) is convexly provided with a second connecting boss (32); The second connecting area (22) is arranged on the mesa of the second connecting boss (32), and at least part of the elastic body (23) is arranged opposite and spaced apart from the second surface (31).

10. The lens assembly of claim 7, wherein, The first connecting area (21) is a sheet structure, and the protrusion height of the first stop portion (11) and the second stop portion (12) is greater than the thickness of the sheet structure; In the free state of the elastic part (2), the first connecting area (21) corresponds to the side surface of the first stop portion (11) and the side surface of the second stop portion (12).

11. The lens assembly of claim 7, wherein, The elastic body (23) includes a first connecting end (231) and a second connecting end (232), the first connecting end (231) is connected with the first connecting area (21), and the second connecting end (232) is connected with the second connecting area (22); The first connecting area (21) has a first side edge (211) located on the side of the first connecting area (21) close to the lens seat (3) and at the edge of the first connecting boss (42), and the first connecting end (231) is connected with the first side edge (211).

12. The lens assembly according to claim 11, wherein, The first side edge (211) includes an avoiding section (212) and a connecting section (213) in the length direction, the avoiding section (212) is located on the mesa of the first connecting boss (42), and the connecting section (213) is close to the edge of the first connecting boss (42) relative to the avoiding section (212) and connected with the first connecting end (231); The first stop portion (11) is arranged adjacent to the connecting section (213), and the second stop portion (12) is arranged adjacent to the avoiding section (212).

13. The lens assembly of claim 11, wherein, The first stop portion (11) includes a first stop boss (51) having a first stop surface (511); The second stop portion (12) includes a second stop boss (52) having a second stop surface (521); The area of the first stop surface (511) is greater than the area of the second stop surface (521).

14. The lens assembly according to claim 13, wherein, The connecting straight line (6) away from the lens seat (3) side of the first stop surface (511) and the second stop surface (521) passes through the first connecting end (231) and is located on the side of the first side edge (211) close to the lens seat (3).

15. The lens assembly according to claim 13, wherein, The first stop boss (51) and the second stop boss (52) are arranged on the mounting seat (4), and the first stop boss (51) and the second stop boss (52) protrude towards the lens seat (3), and the edge of the platform of the second stop boss (52) is provided with a round corner.

16. The lens assembly according to claim 13, wherein, The second stop portion (12) further comprises a third stop boss (53); The first stop boss (51) and the second stop boss (52) are arranged on the lens seat (3), and the first stop boss (51) and the second stop boss (52) protrude towards the mounting seat (4), the third stop boss (53) is arranged on the mounting seat (4), the third stop boss (53) protrudes towards the lens seat (3) and corresponds to the second stop boss (52), and the edge of the platform of the second stop boss (52) and / or the third stop boss (53) is provided with a round corner.

17. The lens assembly of claim 1, wherein, The number of the first stop portion (11) and the second stop portion (12) is multiple, and the first stop portion (11) and the second stop portion (12) form a stop unit. The number of the elastic portion (2) is multiple, the elastic portion (2) comprises multiple elastic units corresponding to multiple stop units, the elastic unit comprises the first connecting area (21), the second connecting area (22) and the elastic body (23), and multiple elastic units are located on one side of multiple elastic portions (2) away from each other.

18. The lens assembly according to claim 17, wherein, The number of the elastic portion (2) is two, the two elastic portions (2) are oppositely arranged, and the elastic portion (2) comprises a connecting body (24), two ends of the connecting body (24) are connected with two second connecting areas (22). The elastic portion (2) comprises two elastic units, and two first stop portions (11) corresponding to the same elastic portion (2) are located on one side of the two elastic units close to each other.

19. The lens assembly according to claim 18, wherein, The stop structure (1) further comprises: Two third stop portions (13) are arranged on the lens seat (3) and / or the mounting seat (4), the third stop portion (13) protrudes towards the opposite side of the lens seat (3) and the mounting seat (4), and the protruding height of the third stop portion (13) is the same as that of the second stop portion (12); Two third stop portions (13) are arranged corresponding to two elastic portions (2) respectively, and the third stop portion (13) is located between the corresponding two first stop portions (11).

20. The lens assembly according to claim 19, wherein, The stop structure (1) further comprises: Two rotation limiting portions (14) are arranged corresponding to two third stop portions (13) respectively, the rotation limiting portion (14) is arranged on the lens seat (3) and / or the mounting seat (4) and protrudes towards the opposite side of the lens seat (3) and the mounting seat (4), and the side surface of the rotation limiting portion (14) at least partially opposes the side surface of the third stop portion (13).

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