Lens assembly, lens, and image pickup apparatus

Abstract

The utility model discloses a lens assembly. The lens assembly comprises an outer frame skeleton, a bayonet support member, a bayonet and an appearance member. The bayonet supporting piece is mounted on the outer frame skeleton; the bayonet is mounted at one end, away from the outer frame skeleton, of the bayonet supporting piece and used for connecting a camera body; and the outer part covers the peripheries of the outer frame skeleton, the bayonet supporting part and the bayonet, and is detachably connected with the bayonet supporting part. According to the technical scheme, through the structural design, the appearance part is only connected with the bayonet supporting part during installation, the correlation amount during installation of the appearance part is reduced, and compared with a traditional appearance part installation mode, the camera body is connected with the lens through the bayonet, so that the installation efficiency is improved. And after the image quality of the lens is adjusted to be qualified, an outer part can be mounted without a bayonet dismounting step, so that the continuous stability of the image quality is ensured. The utility model also provides a lens and an image pickup device.

Description

Technical Field

[0001] The present application relates to the field of photographic technology, and in particular to a lens assembly, a lens and an image pickup device. Background Art

[0002] Nowadays, with the improvement of social and economic strength and people's pursuit of spiritual entertainment, consumers have joined the field of photography one after another. At the same time, consumer groups such as photography enthusiasts have continuously increased their requirements for high-quality image shooting with camera lenses.

[0003] In order to meet the many demands of the photography market, many optoelectronic companies in the manufacturing industry have naturally innovated more different and sophisticated optical designs. Among them, there is an optical design where the lens group needs to be adjusted to tilt or eccentric at the back focus. After adjusting the tilt of the lens group to the lens image quality is qualified, the appearance parts need to be installed to complete the finished product. However, in the existing mechanical structure, the appearance parts are generally installed by first screwing the lens group frame with screws, and then screwing the rear bayonet with the appearance parts or the lens group frame with screws; installing the appearance parts requires first removing the bayonet, and then installing the appearance parts; removing the bayonet in this step will cause the image quality to change or even be poor, affecting the image quality of the lens. Utility Model Content

[0004] The present application provides a lens assembly, a lens and an image pickup device, aiming to solve the problem of poor image quality caused by the need to disassemble the bayonet when installing the appearance part in the structure of the prior art.

[0005] To achieve the above objectives, the present application proposes a lens assembly, which includes:

[0006] External frame skeleton;

[0007] A bayonet support, mounted on the outer frame;

[0008] A bayonet, mounted on an end of the bayonet support away from the outer frame, the bayonet being used to connect to a camera body;

[0009] The appearance part is covered on the outer frame skeleton, the bayonet support part and the periphery of the bayonet, and forms a detachable connection with the bayonet support part.

[0010] In some embodiments, a first snap-fitting portion is disposed on the inner side wall of the appearance member, a second snap-fitting portion is disposed on the outer side of the bayonet support member, and the appearance member and the bayonet support member form a snap-fitting connection through the cooperation between the first snap-fitting portion and the second snap-fitting portion.

[0011] In some embodiments, the first engaging portion includes an engaging groove formed around the inner side wall of the appearance member, and an avoidance groove is provided on the side wall of the engaging groove; the second engaging portion includes an engaging block formed on the outer side of the bayonet support member;

[0012] Wherein, during the assembly process of the appearance part, the engaging block enters the engaging groove through the avoidance groove, and after the appearance part is rotated, the engaging block is embedded in the engaging groove.

[0013] In some embodiments, at least two of the engaging blocks are disposed on the outer side of the bayonet support, and the engaging blocks are arranged at equal intervals; and the avoidance grooves are arranged corresponding to the engaging blocks.

[0014] In some embodiments, a first locking portion is provided on the bayonet support, and a second locking portion is provided on the appearance member, and the appearance member and the bayonet support are locked by the cooperation between the first locking portion and the second locking portion.

[0015] In some embodiments, the first locking portion cooperates with the second locking portion to form a screw locking structure, which is locked by screws.

[0016] In some embodiments, the lens assembly further includes a tilt adjustment group, which is connected to the central area of ​​the outer frame through a plurality of tilt adjustment components; the tilt adjustment group includes:

[0017] Lens group frame;

[0018] The tilt-sensitive lens is mounted on the lens group frame.

[0019] In some embodiments, the tilt adjustment component includes an eccentric shaft, and the eccentric shaft is connected to the lens group frame.

[0020] The present application also provides a lens, which includes the lens assembly as described above.

[0021] The present application also provides an image pickup device, which includes a camera body and the lens as described above, wherein the lens is detachably connected to the camera body.

[0022] The technical solution of the present application proposes a lens assembly, which includes an outer frame skeleton, a bayonet support, a bayonet and an appearance part; the bayonet support is installed on the outer frame skeleton; the bayonet is installed at one end of the bayonet support away from the outer frame skeleton, and is used to connect to the camera body; the appearance part cover is arranged on the periphery of the outer frame skeleton and the bayonet support, and forms a detachable connection with the bayonet support. The technical solution of the present application adopts the above structural design, so that the appearance part is only connected to the bayonet support when installed, reducing the related amount when installing the appearance part, and then compared with the traditional appearance part installation method, after the lens is connected to the camera body through the bayonet, the appearance part can be installed without involving the disassembly step of the bayonet after adjusting the lens image quality to meet the requirements, thereby ensuring the continuous stability of the image quality. The present application also provides a lens and an image pickup device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative work, among which:

[0024] Figure 1 This is a schematic diagram of the exploded structure of a lens assembly according to an embodiment of the present application;

[0025] Figure 2 This is a schematic diagram of the assembly structure of a lens assembly according to an embodiment of the present application;

[0026] Figure 3 This is a schematic diagram of the structure of a bayonet support member in one embodiment of the present application;

[0027] Figure 4 Schematic diagram of the structure of the appearance component in one embodiment of the present application. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0029] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0030] It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0031] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0032] See also Figure 1 as well as Figure 2 As shown, the present application proposes a lens assembly 100, which includes an outer frame skeleton 10, a bayonet support 20, a bayonet 30 and an appearance component 40; the bayonet support 20 is installed on the outer frame skeleton 10; the bayonet 30 is installed at one end of the bayonet support 20 away from the outer frame skeleton 10, and the bayonet 30 is used to connect to the camera body; the appearance component 40 is covered on the periphery of the outer frame skeleton 10, the bayonet support 20 and the bayonet 30, and forms a detachable connection with the bayonet support 20.

[0033] Among them, the outer frame skeleton 10, as an important component of the lens, surrounds and protects the optical part of the lens, and can provide the necessary support and stability for the lens, and can also be used to install various lens accessories. Furthermore, the technical solution of the present application is based on the outer frame skeleton 10 to set the bayonet support 20. Generally speaking, the outer frame skeleton 10 is similar to a long cylindrical structure. The bayonet support 20 is set at the end of the outer frame skeleton 10 for connecting the camera body. The bayonet support 20 corresponds to the cylindrical port setting of the outer frame skeleton 10, that is, a ring-shaped setting.

[0034] As the name implies, the bayonet support 20 can be used to install the bayonet 30, which is a camera bayonet, so the camera body can be connected through the bayonet 30. In some embodiments, the bayonet 30 can be one of EF bayonet, E bayonet, DL bayonet, Z bayonet, RF bayonet, PL bayonet, L bayonet, F bayonet, A bayonet, K bayonet and X bayonet. The bayonet 30 and the bayonet support 20 can be locked by screws.

[0035] The design and manufacturing quality of the appearance part 40 have a great impact on the overall appearance and texture of the lens. A good appearance part 40 can make the lens look more exquisite and high-end, meeting the needs of some professional or high-end users. At the same time, the appearance part 40 can also increase the anti-slip and anti-fingerprint properties of the lens through special coating, plating and other technologies, thereby improving the user experience. Therefore, in the manufacture of lenses, the design and manufacture of the appearance part 40 is also one of the very important links.

[0036] The appearance part 40 in the technical solution of the present application is covered on the periphery of the outer frame skeleton 10, the bayonet support part 20 and the bayonet 30. When installed, a detachable connection is formed between the appearance part 40 and the bayonet support part 20, and only a connection is formed with the bayonet support part 20, thereby reducing the relevant amount of installation of the appearance part 40. Compared with the traditional installation method of the appearance part 40, after the lens is connected to the camera body through the bayonet 30 and the lens image quality is adjusted to be qualified, the appearance part 40 can be installed without the need to disassemble the bayonet 30. Therefore, the operation steps are reduced by transferring the installation object of the appearance part 40, thereby ensuring the continuous stability of the image quality.

[0037] See also Figure 3 and Figure 4 As shown, in some embodiments, a first snap-fitting portion 41 is provided on the inner side wall of the appearance part 40, and a second snap-fitting portion 21 is provided on the outer side of the bayonet support part 20, and the appearance part 40 and the bayonet support part 20 form a snap-fit ​​connection through the cooperation between the first snap-fitting portion 41 and the second snap-fitting portion 21.

[0038] In this embodiment, in order to facilitate the stability and detachability of the appearance member 40 after installation, a snap connection is set between the appearance member 40 and the bayonet support member 20. In the process of the appearance member 40 being sleeved on the outer frame 10 and moving from one end of the outer frame 10 provided with the bayonet support member 20 and the bayonet 30 to the middle thereof, the first snap-fitting portion 41 provided on the inner side wall of the appearance member 40 and the second snap-fitting portion 21 provided on the outer side of the bayonet support member 20 complete docking. The appearance member 40 can be covered on the periphery of the outer frame 10, the bayonet support member 20 and the bayonet 30.

[0039] See also Figure 3 and Figure 4 As shown, in some embodiments, the first engaging portion 41 includes an engaging groove 411 formed around the inner side wall of the appearance part 40, and an avoidance groove 412 is opened on the side wall of the engaging groove 411; the second engaging portion 21 includes an engaging block formed on the outside of the bayonet support 20; wherein, during the assembly process of the appearance part 40, the engaging block enters the engaging groove 411 through the avoidance groove 412, and after the appearance part 40 is rotated, the engaging block is embedded in the engaging groove 411.

[0040] Among them, because the bayonet support 20 is arranged at the end of the outer frame skeleton 10, the appearance member 40 is connected with the bayonet support 20 and is covered on the periphery of the outer frame skeleton 10, so the first clamping portion 41 is arranged close to one end of the appearance member 40.

[0041] In the process of the appearance member 40 moving toward the outer frame skeleton 10, the avoidance groove 412 needs to be aligned with the snap block so that the snap block can further enter the snap groove 411. A method of aligning the avoidance groove 412 with the snap block is: when not aligned, the user can continuously apply a force to move the appearance member 40 toward the outer frame skeleton 10, and at the same time drive the appearance member 40 to rotate. In this process, if the snap block is aligned with the avoidance groove 412, then under the action of the force, the snap block can move along the avoidance groove 412 and finally enter the snap groove 411. At this time, the snap block may also detach from the snap groove 411, causing the appearance member 40 to separate from the bayonet support member 20. Therefore, after the snap block enters the snap groove 411, the appearance member 40 needs to be further rotated so that the snap block is embedded between the opposite side walls of the snap groove 411, and the appearance member 40 and the bayonet support member 20 are connected.

[0042] Furthermore, at least two engaging blocks are disposed on the outer side of the bayonet support 20 , and the engaging blocks are arranged at equal intervals; the avoidance grooves 412 are arranged corresponding to the engaging blocks.

[0043] Among them, when there are at least two engaging blocks arranged on the outer side of the bayonet support 20 and the engaging blocks are arranged at equal intervals, after the engaging blocks are engaged in the engaging grooves 411, the stability of the connection between the appearance member 40 and the bayonet support 20 can be improved. Exemplarily, when there are two engaging blocks, the two engaging blocks are arranged on opposite sides of the bayonet support 20; when there are three engaging blocks, the angle between the line connecting two adjacent engaging blocks and the center point of the bayonet support 20 is 120°.

[0044] See also Figure 3 and Figure 4 As shown, in some embodiments, a first locking portion 22 is provided on the bayonet support 20, and a second locking portion 42 is provided on the appearance member 40, and the appearance member 40 and the bayonet support 20 are locked by the cooperation between the first locking portion 22 and the second locking portion 42.

[0045] In this embodiment, after the snap-fit ​​connection is formed between the appearance part 40 and the bayonet support part 20, the appearance part 40 and the bayonet support part 20 can be locked by the cooperation between the first locking part 22 and the second locking part 42 to prevent the rotation between the appearance part 40 and the bayonet support part 20 causing separation, so as to form a more stable connection.

[0046] In some embodiments, the first locking portion 22 cooperates with the second locking portion 42 to form a screw locking structure, which is locked by screws, that is, the first locking portion 22 and the second locking portion 42 are both threaded holes, and the first locking portion 22 and the second locking portion 42 can be screwed to fix the appearance member 40 to the bayonet support member 20. In some other embodiments, the first locking portion 22 cooperates with the second locking portion 42 to form a limit stop structure, and the limit stop structure only needs to meet the requirements that the first locking portion 22 and the second locking portion 42 cooperate to prevent the appearance member 40 from rotating.

[0047] The first locking portion 22 and the second locking portion 42 can cooperate with each other to form multiple groups to improve the locking stability.

[0048] See also Figure 1 and Figure 2 As shown, in some embodiments, the lens assembly 100 also includes a tilt adjustment group 50, which is connected to the central area of ​​the outer frame skeleton 10 through a plurality of adjustment tilt components 60; the tilt adjustment group 50 includes a lens group frame 51 and a tilt sensitive lens 52, and the tilt sensitive lens 52 is installed on the lens group frame 51.

[0049] In this embodiment, the lens tilt is adjusted by adjusting the tilting component 60 to achieve good image quality requirements of the lens. Among them, because the installation of the appearance component 40 is only related to the bayonet support component 20, there is no connection between the appearance component 40 and the tilt adjustment group 50, so the installation of the appearance component 40 has no effect on the adjustment of the tilt adjustment group 50.

[0050] Furthermore, the tilt adjustment component 60 includes an eccentric shaft, and the eccentric shaft is connected to the lens group frame 51 .

[0051] In summary, the present application provides a lens assembly 100 , which can eliminate the situation in which the conventional bayonet 30 needs to be disassembled to affect the image quality by installing the appearance component 40 on the bayonet support component 20 .

[0052] The present application also provides a lens, which includes the lens assembly 100 as described above.

[0053] The lens adopts all technical solutions of all embodiments of the above-mentioned lens assembly 100, and therefore has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be described one by one here.

[0054] The present application also provides an image pickup device, which includes a camera body and the above lens. The image pickup device adopts all technical solutions of all embodiments of the above lens, and thus has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here. Among them, the lens is detachably connected to the camera body.

[0055] The above description is only a partial or preferred embodiment of the present application. Neither the text nor the drawings can limit the scope of protection of the present application. All equivalent structural changes made using the contents of the present application specification and drawings under the overall concept of the present application, or direct / indirect application in other related technical fields are included in the scope of protection of the present application.

Claims

1. A lens assembly, characterized in that: include: External frame skeleton; A bayonet support, mounted on the outer frame; A bayonet, mounted on an end of the bayonet support away from the outer frame, the bayonet being used to connect to a camera body; The appearance part is covered on the outer frame skeleton, the bayonet support part and the periphery of the bayonet, and forms a detachable connection with the bayonet support part.

2. The lens assembly according to claim 1, characterized in that: The inner side wall of the appearance part is provided with a first clamping part, the outer side of the bayonet support part is provided with a second clamping part, and the appearance part and the bayonet support part are connected by clamping through the cooperation between the first clamping part and the second clamping part.

3. The lens assembly according to claim 2, characterized in that: The first engaging portion includes an engaging groove formed around the inner side wall of the appearance member, and an avoidance groove is provided on the side wall of the engaging groove; the second engaging portion includes an engaging block formed on the outer side of the bayonet support member; Wherein, during the assembly process of the appearance part, the engaging block enters the engaging groove through the avoidance groove, and after the appearance part is rotated, the engaging block is embedded in the engaging groove.

4. The lens assembly according to claim 3, characterized in that: At least two of the engaging blocks are arranged on the outer side of the bayonet support, and the engaging blocks are arranged at equal intervals; and the avoidance grooves are arranged corresponding to the engaging blocks.

5. The lens assembly according to any one of claims 1 to 4, characterized in that: The bayonet support is provided with a first locking portion, and the appearance member is provided with a second locking portion. The appearance member and the bayonet support are locked by the cooperation between the first locking portion and the second locking portion.

6. The lens assembly according to claim 5, characterized in that: The first locking portion cooperates with the second locking portion to form a screw locking structure, which is locked by screws.

7. The lens assembly according to claim 1, characterized in that: The lens assembly further includes a tilt adjustment group, which is connected to the central area of ​​the outer frame through a plurality of tilt adjustment components; the tilt adjustment group includes: Lens group frame; The tilt-sensitive lens is mounted on the lens group frame.

8. The lens assembly according to claim 7, characterized in that: The tilt adjustment component includes an eccentric shaft, and the eccentric shaft is connected to the lens group frame.

9. A lens, characterized in that: The lens comprises a lens assembly as described in any one of claims 1-8.

10. An image pickup device, characterized in that: The image pickup device includes a camera body and the lens as claimed in claim 9, wherein the lens is detachably connected to the camera body.

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