Lens mounting tool and lens assembling component

Abstract

According to the lens installation tool and the lens assembly component, when the lens assembly component works, the lens installation tool sucks a lens through a suction structure at the end of a tool body and installs the lens at the installation end of a lens barrel, and the lens is transmitted in the axial direction through the lens installation tool; the lens installation condition which cannot be observed originally is visually reflected to the tool inspection structure, and the installation condition of the lens can be judged only by comparing the positions of the lens cone reference structure in the lens cone and the tool inspection structure in the lens installation tool. When the lens is incorrectly mounted, the mounting posture of the lens can be directly and conveniently changed by adjusting the lens mounting tool, so that the lens is positioned at a correct mounting position, and the mounting efficiency and the mounting accuracy of the lens are improved. According to the lens assembling component, the lens can be taken, assembled, adjusted and checked by matching the lens mounting tool with the lens cone, the lens mounting efficiency is improved, the structure is simple, the manufacturing cost is low, and the tool is simple and quick to operate.

Description

Technical Field

[0001] The utility model relates to the field of lens assembly, in particular to a lens installation tool and a lens assembly component. Background Art

[0002] In optical devices, lens installation involves handling, adjustment, and inspection. Particularly in manual mass production, these steps often require specialized tools and equipment to ensure correct lens installation. Because lenses play a critical role in various optical devices, such as cameras, microscopes, and lidar, their precise installation directly impacts the final performance of the product.

[0003] In the traditional lens installation process, each step typically requires specific tools. For example, lens adjustment requires different jigs for different lens shapes, while lens position verification requires the use of an altimeter. These steps not only lead to frequent tool changes but also are cumbersome, significantly reducing lens installation efficiency. Furthermore, during lens installation, a certain radial clearance must be maintained between the lens and the lens barrel to control the lens's positional accuracy. However, this clearance can easily cause the lens to tilt during installation, which is difficult to detect with the naked eye and can degrade the product's optical performance.

[0004] Therefore, the market currently still lacks a tool that can improve lens installation efficiency and installation accuracy. Utility Model Content

[0005] The utility model provides a lens installation tool and a lens assembly component, which are used for improving the installation efficiency and installation accuracy of the lens.

[0006] In order to solve the above problems, the utility model provides a lens installation tool, which is characterized in that it is configured to suck the lens and install the lens into the lens barrel, including: a tool body, which extends axially; a suction structure, which is located at the axial end of the tool body; and a tool inspection structure, which is located on the outer side wall of the tool body and is axially spaced from the suction structure, and is configured to check the installation condition of the lens.

[0007] The present utility model also provides a lens assembly component, comprising: a lens barrel, including a lens barrel reference structure and a mounting end spaced apart in the axial direction, the mounting end being configured to mount a lens; a lens mounting tool, configured to absorb the lens and mount the lens on the mounting end, the lens mounting tool comprising: a tool body, the tool body extending in the axial direction; a suction structure, located at the end of the tool body; a tool inspection structure, located on the outer side wall of the tool body and spaced apart from the suction structure in the axial direction, the tool inspection structure being configured to inspect the installation condition of the lens by comparison with the lens barrel reference structure.

[0008] Compared with the prior art, the technical solution of the utility model has the following advantages:

[0009] The lens installation tool provided by the present invention is configured to absorb a lens and install the lens into a lens barrel, comprising: a tool body, the tool body extending axially; a suction structure, located at the axial end of the tool body; a tool inspection structure, located on the outer side wall of the tool body and spaced axially from the suction structure, configured to inspect the installation condition of the lens. When installing the lens, the lens installation tool absorbs the lens through the suction structure at the axial end of the tool body. After the lens is installed into the lens barrel, the installation condition of the lens is judged through the tool inspection structure on the outer side wall of the tool body. When it is found that the lens is not installed properly, the installation posture of the lens can be directly and conveniently changed by adjusting the lens installation tool, so that the lens is in the correct installation position, which is conducive to improving the installation efficiency and installation accuracy of the lens. The present invention can realize the functions of taking, adjusting and inspecting the lens by only using the lens installation tool, which greatly improves the efficiency of lens installation. It has a simple structure, low manufacturing cost, and the tool is simple and quick to operate.

[0010] The present invention provides a lens assembly assembly comprising: a lens barrel, comprising a lens barrel reference structure and a mounting end spaced apart in an axial direction, the mounting end being configured to mount a lens; a lens mounting tool configured to absorb the lens and mount the lens on the mounting end, the lens mounting tool comprising: a tool body extending in an axial direction; a suction structure located at an end of the tool body; and a tool inspection structure located on an outer side wall of the tool body and spaced apart in an axial direction from the suction structure, the tool inspection structure being configured to inspect the mounting condition of the lens by comparing it with the lens barrel reference structure. When the lens assembly assembly is in operation, the lens mounting tool absorbs the lens through the suction structure at the end of the tool body and mounts the lens on the mounting end of the lens barrel. The lens is transferred axially by the lens mounting tool, so that the lens installation condition, which was originally invisible, is intuitively reflected on the tool inspection structure. The lens installation condition can be determined by simply comparing the positions of the lens barrel reference structure in the lens barrel and the tool inspection structure in the lens mounting tool. If the lens is found to be improperly installed, the lens installation posture can be directly and conveniently changed by adjusting the lens mounting tool to put the lens in the correct installation position, thereby improving the installation efficiency and installation accuracy of the lens. The utility model can realize the functions of taking, adjusting and inspecting the lens by using the lens installation tool in combination with the lens barrel, which greatly improves the efficiency of lens installation. It has a simple structure, low manufacturing cost and simple and quick tool operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without any creative work.

[0012] Figures 1 to 3 This is a schematic structural diagram of a first embodiment of the lens installation tool of the present invention;

[0013] Figure 4 This is a structural schematic diagram of a second embodiment of the lens installation tool of the present invention;

[0014] Figure 5 This is a schematic structural diagram of a third embodiment of the lens installation tool of the present invention;

[0015] Figures 6 to 10 This is a schematic structural diagram of a first embodiment of the lens assembly of the present invention;

[0016] Figures 11 to 12 This is a schematic structural diagram of a lens assembly according to a second embodiment of the present invention;

[0017] Figure 13 It is a structural schematic diagram of a lens assembly according to the third embodiment of the present invention. DETAILED DESCRIPTION

[0018] As can be seen from the background, existing LiDAR systems suffer from complex structures, difficulty in assembly and commissioning, and high costs. The optical system is essential for LiDAR, and its accuracy is closely related to the installation position and stability of its optical lenses. Therefore, during the assembly and production process of the optical system, the position of the optical lenses is typically adjusted multiple times to ensure product yield and accuracy.

[0019] In order to improve the installation efficiency and accuracy of the lens, the present invention provides a lens installation tool and a lens assembly component. The lens installation tool is provided with a suction structure for sucking in the lens at the end of the tool body, and a tool inspection structure is provided on the outer wall of the tool body and at a position axially spaced from the suction structure. With the help of the axial transmission of the lens installation tool, the lens installation status that was originally impossible to observe can be intuitively reflected on the tool inspection structure, and the installation status of the lens can be judged immediately and efficiently. When it is found that the lens is not installed properly, the installation posture of the lens can be directly and conveniently changed by adjusting the lens installation tool, and the lens can be quickly placed in the correct installation position, thereby improving the installation efficiency and accuracy of the lens. In addition, the lens assembly component of the present invention can realize the functions of taking, adjusting and inspecting the lens, greatly improving the efficiency of lens installation, and has a simple structure, low manufacturing cost, and simple and quick tool operation.

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] It should be noted that the orientations or positional relationships indicated in this specification are based on the orientations or positional relationships shown in the accompanying drawings and are only for the convenience and simplification of description, and do not indicate or imply that the device referred to must have a specific orientation or be constructed in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.

[0022] refer to Figures 1 to 3 The present invention provides a lens installation tool according to a first embodiment, which is configured to absorb a lens and install the lens into a lens barrel.

[0023] like Figure 1 and Figure 2 As shown, the lens installation tool 10 includes: a tool body 101a, which extends axially; a suction structure 102a, which is located at the axial end of the tool body 101a; and a tool inspection structure 103a, which is located on the outer wall of the tool body 101a and is axially spaced from the suction structure 102a, and is configured to inspect the installation condition of the lens.

[0024] When installing a lens, the lens installation tool 10 provided by the present invention uses a suction structure 102a at the axial end of the tool body 101a to absorb the lens. After the lens is installed in the lens barrel, the lens installation status is verified using a tool inspection structure 103a on the outer wall of the tool body 101a. If the lens is found to be improperly installed, the lens installation posture can be directly and conveniently changed by adjusting the lens installation tool 10 to correctly position the lens, thereby improving lens installation efficiency and accuracy.

[0025] Tool body 101a serves as the main body of lens installation tool 10. Tool body 101a extends axially to align with the axial structure of the lens barrel, enabling lens installation tool 10 to precisely align the lens during installation. Furthermore, the axial extension of tool body 101a also allows for the axial arrangement of suction structure 102a and tool inspection structure 103a.

[0026] like Figure 1 and Figure 2 As shown, Figure 2 It is a cross-sectional view along the axial direction of the tool body 101. The tool inspection structure 103a is located on the outer side wall of the tool body 101a. By being arranged axially spaced apart from the suction structure 102a, the installation condition of the lens can be checked after the lens is sucked and installed in the lens barrel.

[0027] In this embodiment, the tool inspection structure 103a is perpendicular to the axial direction of the tool body 101a. Since the tool inspection structure 103a is perpendicular to the axial direction of the tool body 101a, when the lens is installed, the vertically arranged tool inspection structure 103a can effectively detect any axial and radial deviation or tilt of the lens, thereby ensuring the accuracy and consistency of lens installation.

[0028] In this embodiment, the lens mounting tool 10 includes an annular structure 107a disposed on the sidewall of the tool body 101a. The tool inspection structure 103a includes the end surface of the annular structure 107a facing away from the suction structure 102a. The annular structure 107a is disposed on the sidewall of the tool body 101a, and the end surface of the annular structure 107a facing away from the suction structure 102a serves as the tool inspection structure 103a. Surface inspection provides greater reliability than point inspection.

[0029] like Figure 1 and Figure 2 As shown, the lens mounting tool 10 further includes a tool alignment structure 109a, which is located on the outer side wall of the tool body 101a and is spaced apart from the tool inspection structure 103a and the suction structure 102a in the axial direction.

[0030] When the lens installation tool 10 is installing the lens, the tool alignment structure 109a is used to keep the lens installation tool 10 in the correct position and posture relative to the lens barrel, so that the tool inspection structure 103a can accurately reflect the installation status of the lens, avoiding misjudgment or missed judgment due to deflection of the tool in the lens barrel.

[0031] In this embodiment, the tool alignment structure 109a includes a radially outer end portion 1091a, which has a curved surface with an arc transition. This curved surface improves the wear resistance and workability of the tool alignment structure 109a and facilitates the insertion and removal of the lens installation tool 10 from the lens barrel. In other embodiments, the radially outer end portion may further include a sidewall extending axially along the tool body.

[0032] Tool alignment structure 109a, through its radially outer end portion 1091a, limits the radial movement of lens installation tool 10, preventing radial displacement of lens installation tool 10 and ensuring accurate installation of the lens into the designated position within the lens barrel. Furthermore, tool alignment structure 109a allows for tilting or deflection of lens installation tool 10 in the event of improper lens installation, enabling tool inspection structure 103a to accurately reflect the lens's installation status and prevent misjudgments or missed detections.

[0033] As an example, the tool alignment structure 109a is a tool alignment protrusion.

[0034] The suction structure 102a is used to suck the lens and place the lens into the lens barrel, which can improve the assembly efficiency.

[0035] like Figure 1 and Figure 2 As shown, the suction structure 102a includes: a suction surface 1021a, located at the end surface of the axial end of the tool body 101a; a groove 1022a, which is recessed in the suction surface 1021a, and the groove 1022a is configured to form a negative pressure chamber 104a between the lens when sucking the lens.

[0036] When the lens needs to be sucked, the suction surface 1021a is tightly attached to the lens surface, and a negative pressure chamber 104a is formed between the groove 1022a and the lens. The negative pressure generated by the negative pressure generator draws air out of the negative pressure chamber 104a, forming a negative pressure environment, thereby firmly adsorbing the lens on the suction surface 1021a.

[0037] In this embodiment, suction surface 1021a is a curved surface configured for curved contact with the lens. This allows suction surface 1021a to closely adhere to the lens surface, providing a larger contact area. This improves suction reliability, facilitates a good seal, and ensures the effectiveness of negative pressure chamber 104a. Furthermore, because suction surface 1021a and the lens are in curved contact, the larger contact area reduces the risk of lens breakage due to uneven force. The curved suction surface also facilitates more precise control of lens position when adjusting the lens's posture.

[0038] In other embodiments, Figure 3 As shown, Figure 3 This is a cross-sectional view taken along the axial direction of tool body 101b. Suction surface 1021a is planar and configured to make at least partial surface contact with the edge of the lens. This contact forms negative pressure chamber 104a, allowing suction of the lens. Planar suction surface 1021a has a simple structure and is easily manufactured.

[0039] like Figure 2 As shown, it should be noted that the interior of the tool body 101a includes an air channel 105a, one end of which is connected to the groove 1022a, and the other end of the air channel 105a is connected to an external negative pressure generator. Specifically, the negative pressure generator includes an air pipe 106a, one end of which is connected to the negative pressure generator, and the other end of the air pipe 106a is connected to the air channel 105a.

[0040] One end of the air channel 105a within the tool body 101a is connected to the groove 1022a, and the other end is connected to an external negative pressure generator. The negative pressure generated by the external negative pressure generator is transmitted through the air channel 105a to the groove 1022a, forming a negative pressure chamber 104a between the lens and the groove 1022a, which securely attaches the lens to the suction surface 1021a. Furthermore, the provision of the air channel 105a enables the lens mounting tool 10 to be used in conjunction with the external negative pressure generator, forming a complete negative pressure system that provides continuous and stable suction and avoids potential damage to the lens caused by mechanical clamping methods.

[0041] It should be noted that the outer diameter of the tool inspection structure 103a is larger than the outer diameter of the tool alignment structure 109a, and the outer diameter of the tool alignment structure 109a is larger than the outer diameter of the suction structure 102a. The outer diameters of the tool inspection structure 103a, the tool alignment structure 109a, and the suction structure 102a are configured so that the lens installation tool 10 can insert the lens into the lens barrel.

[0042] refer to Figure 4 The present invention provides a second embodiment of a lens installation tool. The similarities between this embodiment and the first embodiment are not repeated here, and the differences are:

[0043] In this embodiment, the tool inspection structure 103b includes multiple planes spaced axially along the tool body 101b. After the lens installation tool 10 installs the lens in the lens barrel, it can perform installation inspections on multiple planes along the axial direction, improving installation accuracy and reducing misjudgments caused by single-plane inspections.

[0044] As an example, the lens mounting tool 10 includes a first step structure 108b arranged axially along the tool body 101b, and the first step structure 108b includes a plurality of tool step surfaces 1081b; the tool inspection structure 103b includes a plurality of tool step surfaces 1081b.

[0045] During the lens installation process, the provision of multiple tool step surfaces 1081b can accurately determine whether the lens is correctly installed, thereby avoiding poor installation caused by lens position offset or tilt, and improving installation accuracy and efficiency.

[0046] refer to Figure 5 The present invention provides a third embodiment of a lens installation tool. The similarities between this embodiment and the first embodiment are not repeated here, and the differences are:

[0047] The lens installation tool includes: a tool body 101c, which extends axially; a suction structure 102c, located at the axial end of the tool body 101c; a tool inspection structure 103c, located on the outer wall of the tool body 101c and axially spaced from the suction structure 102c, and configured to inspect the installation condition of the lens.

[0048] In this embodiment, the suction structure 102c includes a suction surface 1021c located at the axial end of the tool body 101c, configured to form a negative pressure chamber between the suction surface and the lens when the lens is being suctioned. When the lens is being suctioned, the suction surface 1021c tightly contacts the lens surface, forming a negative pressure chamber between the suction surface and the lens. The negative pressure generated by the negative pressure generator draws air from the negative pressure chamber, creating a negative pressure environment that securely holds the lens to the suction surface 1021c.

[0049] In this embodiment, suction surface 1021c is a curved surface configured for curved contact with the lens. This allows suction surface 1021c to closely adhere to the lens surface, providing a larger contact area. This improves suction reliability, facilitates a good seal, and ensures the effectiveness of the negative pressure chamber. Furthermore, because suction surface 1021c and the lens are in curved contact, the larger contact area reduces the risk of lens breakage due to uneven force. The curved suction surface also facilitates more precise control of lens position when adjusting the lens's posture.

[0050] In other embodiments, the suction surface 1021c is planar and configured to make at least partial surface contact with the edge of the lens. The suction surface 1021c forms a negative pressure chamber by contacting the edge of the lens, thereby achieving suction of the lens. The planar suction surface 1021c has a simple structure and is easy to manufacture.

[0051] It should be noted that the tool body 101c includes an air passage 105c, one end of which is connected to the suction surface 1021c, and the other end of which is connected to an external negative pressure generator (not shown). Specifically, the negative pressure generator includes an air tube (not shown), one end of which is connected to the negative pressure generator, and the other end of which is connected to the air passage 105c.

[0052] The negative pressure generated by the external negative pressure generator is transmitted to the suction surface 1021c through the air channel 105c, forming a negative pressure chamber between the lens and the suction surface 1021c, which securely attaches the lens to the suction surface 1021c. Furthermore, the provision of the air channel 105c enables the lens mounting tool 10 to be used in conjunction with the external negative pressure generator to form a complete negative pressure system, providing continuous and stable suction and preventing damage to the lens that may be caused by mechanical clamping methods.

[0053] refer to Figures 6 to 10 The present invention also provides a first embodiment of a lens assembly component.

[0054] like Figures 6 to 8 As shown, the lens assembly includes: a lens barrel 20, including a lens barrel reference structure 201a and a mounting end 202a spaced apart in the axial direction, the mounting end 202a being configured to mount a lens; a lens mounting tool 10, configured to absorb the lens and mount the lens on the mounting end 202a, the lens mounting tool 10 including: a tool body 101a, the tool body 101a extending in the axial direction; a suction structure 102a (such as Figure 1 tool inspection structure 103a, located on the outer side wall of the tool body 101a, and spaced axially from the suction structure 102a, the tool inspection structure 103a is configured to check the installation of the lens by comparison with the lens barrel reference structure 201a.

[0055] When the lens assembly is working, the lens installation tool 10 absorbs the lens through the suction structure 102a at the end of the tool body 101a and installs the lens on the installation end 202a of the lens barrel 20. The lens is transferred axially by the lens installation tool 10, so that the lens installation status that was originally impossible to observe is intuitively reflected on the tool inspection structure 103a. By simply comparing the positions of the lens barrel reference structure 201a in the lens barrel 20 and the tool inspection structure 103a in the lens installation tool 10, the installation status of the lens can be judged. If it is found that the lens is not installed properly, the installation posture of the lens can be directly and conveniently changed by adjusting the lens installation tool 10, so that the lens is in the correct installation position, which is conducive to improving the installation efficiency and installation accuracy of the lens. The utility model can realize the functions of taking, adjusting and inspecting the lens by using the lens installation tool 10 in conjunction with the lens barrel 20, greatly improving the efficiency of lens installation, and has a simple structure, low manufacturing cost, and simple and quick tool operation.

[0056] Figure 8 yes Figure 7 In the partial enlarged view at A in the middle, the lens barrel 20 further includes: a lens barrel limiting structure 203a, which is located on the inner side wall of the lens barrel 20 and is spaced apart from the lens barrel reference structure 201a and the mounting end 202a in the axial direction of the lens barrel 20; the lens mounting tool 10 further includes: a tool aligning structure 109a (such as Figure 8 As shown), it is located on the outer wall of the tool body 101a and is axially spaced from the tool inspection structure 103a and the suction structure 102a. The tool alignment structure 109a is configured to contact the lens barrel limiting structure 203a to limit the radial movement of the lens mounting tool 10.

[0057] The lens barrel limiting structure 203a is located on the inner side wall of the lens barrel 20, and is axially spaced from the lens barrel reference structure 201a and the mounting end 202a, so that the lens barrel limiting structure 203a can serve as a radial limit for the lens mounting tool 10. When the lens mounting tool 10 is inserted into the lens barrel 20, the lens barrel limiting structure 203a contacts the tool alignment structure 109a, limiting the radial position of the lens mounting tool 10 and preventing the lens mounting tool 10 from radially offsetting. In addition, the tool alignment structure 109a is located on the outer side wall of the lens mounting tool 10 body and is axially spaced from the tool inspection structure 103a and the suction structure 102a, so that the tool alignment structure 109a can contact and cooperate with the lens barrel limiting structure 203a to ensure the radial positioning of the lens mounting tool 10 in the lens barrel 20. When the lens installation tool 10 is assembled with the lens barrel 20 , the tool alignment structure 109 a contacts the lens barrel limiting structure 203 a , limiting the radial movement of the lens installation tool 10 , thereby ensuring the installation accuracy of the lens.

[0058] like Figure 9 As shown, Figure 9 yes Figure 8A partial enlarged view of the middle barrel retaining structure 203a and the tool alignment structure 109a. The barrel retaining structure 203a includes a radially inner end portion 2031a having a curved surface structure; the tool alignment structure 109a includes a radially outer end portion 1091a having a curved surface structure. The radially outer end portion 1091a is configured to form a line contact with the radially inner end portion 2031a when the lens is properly installed.

[0059] By making the lens barrel limiting structure 203a include a radial inner end portion 2031a, and the radial inner end portion 2031a has a curved surface structure, and the tool locating structure 109a includes a radial outer end portion 1091a, and the radial outer end portion 1091a also has a curved surface structure, the radial inner end portion 2031a and the radial outer end portion 1091a are theoretically in line contact when they are in axial contact, so that in the actual process of assembling the lens, the axial contact area between the lens mounting tool 10 and the lens barrel 20 is small, so that when the lens is correctly installed, the lens mounting tool 10 does not deflect in the lens barrel 20, so that the tool inspection structure 103a can accurately reflect the lens installation status.

[0060] In other embodiments, Figure 10 As shown, Figure 10 yes Figure 8 A partial enlarged view of the lens barrel limiting structure 203a and the tool alignment structure 109a. The tool alignment structure 109a includes a radially outer end portion 1091a, and the lens barrel limiting structure 203a includes a radially inner end portion 2031a. The radially outer end portion 1091a has a curved surface structure, and the radially inner end portion 2031a includes a sidewall extending axially along the lens barrel 20. The curved surface structure of the radially outer end portion 1091a is configured to at least partially form line contact with the sidewall of the radially inner end portion 2031a when the lens is properly installed. Alternatively, the radially inner end portion has a curved surface structure, and the radially outer end portion includes a sidewall extending axially along the tool body. The sidewall of the radially outer end portion is configured to at least partially form line contact with the curved surface structure of the radially inner end portion when the lens is properly installed. The curved surface structure of the radially inner end portion can minimize the impact on the movement of the lens installation tool within the lens barrel while ensuring the alignment function, and also facilitate the lens installation tool to enter and exit the lens barrel.

[0061] During the actual lens assembly process, the lens, the lens barrel limiting structure 203a, and the tool alignment structure 109a inherently have certain variable tolerances. When the radially outer end 1091a is a curved structure, by providing the radially inner end 2031a with a sidewall extending axially along the lens barrel 20, the radially outer end 1091a of the tool alignment structure 109a and the radially inner end 2031a of the lens barrel limiting structure 203a remain in line contact even when these tolerances exist. This line contact effectively limits radial movement of the lens installation tool 10 within the lens barrel 20, preventing it from deflecting within the lens barrel 20. When the lens is correctly installed, the line contact between the tool alignment structure 109a and the lens barrel limiting structure 203a ensures the positional accuracy of the tool inspection structure 103a, avoiding misjudgments due to tool deflection. When the lens is not installed correctly, the limiting effect fails, allowing the lens installation tool 10 to deflect. The tilt state of the tool inspection structure 103a will clearly indicate the abnormal installation of the lens, making it convenient for the operator to make timely adjustments.

[0062] It should be noted that ideally, the curved surface structure of the radially outer end portion 1091a is configured so that, when the lens is properly installed, it forms a complete line contact with the sidewall of the radially inner end portion 2031a. Alternatively, the sidewall of the radially outer end portion 1091a is configured so that, when the lens is properly installed, it forms a complete line contact with the curved surface structure of the radially inner end portion 2031a.

[0063] As an example, the lens barrel limiting structure 203a is a lens barrel limiting protrusion, and the tool aligning structure 109a is a tool aligning protrusion.

[0064] In this embodiment, the tool inspection structure 103a is configured to be lower than, higher than, or flush with the lens barrel reference structure 201a when the lens is correctly installed.

[0065] The axial position of the tool inspection structure 103a is precisely set so that when the lens is properly installed, it forms a specific height difference with the lens barrel reference structure 201a. This height difference takes into account the allowable axial displacement and tilt tolerance during the lens installation process. If the lens is not properly installed or is tilted, the corresponding lens installation tool 10 will rise or tilt axially, causing the tool inspection structure 103a to not have the pre-set "specific height difference" with the lens barrel reference structure 201a. By observing this change, it is possible to quickly determine whether the lens is properly installed.

[0066] As an example, when the lens is correctly installed, the tool inspection structure 103a is configured to be lower than the barrel reference structure 201a.

[0067] It should be noted that the axial distance between tool inspection structure 103a and lens barrel reference structure 201a is greater than or equal to the sum of the axial misalignment caused by the axial tolerance range and the tilt tolerance of the lens. For example, having considered the axial tolerance and the tilt tolerance of the lens, tool inspection structure 103a is designed to be 0.1 millimeter lower than lens barrel reference structure 201a. During the lens installation process, the operator finds that tool inspection structure 103a is all lower than lens barrel reference structure 201a in all directions by observing the relative position of tool inspection structure 103a and lens barrel reference structure 201a, and can judge that the lens has been correctly installed. If tool inspection structure 103a protrudes from lens barrel reference structure 201a in a certain direction, it means that the lens has tilt in this direction. If tool inspection structure 103a is overall higher than or flush with lens barrel reference structure 201a, it means that the lens is not installed in the axial direction.

[0068] It should be noted that if Figure 8 As shown, the lens barrel 20 includes an open end 204a for the lens to pass through, and the lens barrel reference structure 201a is located at the open end 204a. The lens installation tool 10 includes an annular structure 107a disposed on the side wall of the tool body 101a. The tool inspection structure 103a includes the end surface of the annular structure 107a facing away from the suction structure 102a. The open end 204a of the lens barrel 20 not only serves as the entrance for the lens to enter the lens barrel 20, but the lens barrel reference structure 201a located at this position also facilitates the lens installation tool 10 to quickly determine and adjust the lens installation position during the lens installation process.

[0069] An annular structure 107a is disposed on the sidewall of the tool body 101a of the lens installation tool 10. Its end surface, facing away from the suction structure 102a, serves as a tool inspection structure 103a. When the lens is attracted by the suction structure 102a and installed at the installation end 202a through the open end 204a, the tool inspection structure 103a approaches the lens barrel reference structure 201a at the open end 204a of the lens barrel 20. By observing the relative position between the tool inspection structure 103a and the lens barrel reference structure 201a, an operator can determine whether the lens is properly installed. If the tool inspection structure 103a and the lens barrel reference structure 201a reach a predetermined relative position, the lens is correctly installed; otherwise, the lens position needs to be adjusted.

[0070] Specifically, the lens barrel reference structure 201 a includes a plane, and the plane is the end surface of the opening end 204 a.

[0071] In this embodiment, the lens barrel reference structure 201 a is perpendicular to the axial direction of the lens barrel 20 , and the tool inspection structure 103 a is perpendicular to the axial direction of the tool body 101 a .

[0072] The lens barrel reference structure 201a is perpendicular to the axial direction of the lens barrel 20, providing a stable and reliable reference for measuring the installation depth and verticality of the lens within the lens barrel 20. The tool inspection structure 103a is perpendicular to the axial direction of the tool body 101a, ensuring that the tool inspection structure 103a can be compared with the lens barrel reference structure 201a during the lens installation process. Because the tool inspection structure 103a and the lens barrel reference structure 201a are both perpendicular to their respective axial directions, when the lens is properly installed, the tool inspection structure 103a and the lens barrel reference structure 201a will remain parallel in the axial direction or reach the designed height difference. If the lens is not fully installed or tilted, the position of the tool inspection structure 103a relative to the lens barrel reference structure 201a will change, such as causing a height difference or tilt angle, so that timely adjustments can be made.

[0073] refer to Figure 11 and Figure 12 The present invention also provides a second embodiment of the lens assembly. The similarities between this embodiment and the first embodiment are not repeated here, and the differences are:

[0074] The lens barrel reference structure 201b includes multiple planes. In this case, the tool inspection structure 103b needs to be adapted to the structure of the lens barrel reference structure 201b. However, it is sufficient to ensure that the lens barrel reference structure 201b and the tool inspection structure 103b have a certain judgment length in at least two orthogonal directions.

[0075] In this embodiment, combined with reference Figure 4 The lens mounting tool 10 includes a first step structure 108b arranged axially along the tool body 101b, and the first step structure 108b includes a plurality of tool step surfaces 1081b; the lens barrel 20 includes a second step structure 205b arranged axially along the lens barrel 20, and the second step structure 205b includes a plurality of lens barrel step surfaces 2051b, and the second step structure 205b has the same number of steps as the first step structure 108b; the tool inspection structure 103b includes a plurality of tool step surfaces 1081b, and the lens barrel reference structure 201b includes a plurality of lens barrel step surfaces 2051b, and the tool step surfaces 1081b correspond to the lens barrel step surfaces 2051b one-to-one, and the tool step surfaces 1081b are configured to be parallel to the lens barrel step surfaces 2051b when the lens is correctly installed.

[0076] The first step structure 108b extending axially along the tool body 101b in the lens mounting tool 10 includes a plurality of tool step surfaces 1081b, and the lens barrel 20 includes a second step structure 205b arranged axially along the lens barrel 20, and the second step structure 205b includes a plurality of lens barrel step surfaces 2051b. Because the tool step surfaces 1081b and the lens barrel step surfaces 2051b correspond one-to-one, the observable area during detection is increased, which is beneficial to improving the accuracy of detection. Moreover, the tool step surface 1081b corresponds to the lens barrel step surface 2051b one-to-one, and the appropriate tool step surface 1081b and lens barrel step surface 2051b can be selected for observation as needed, which improves the flexibility of inspection and facilitates timely discovery and correction of lens installation problems; in addition, the first step structure 108b utilizes the circumferential space of the tool body 101b, and the second step structure 205b utilizes the axial space of the lens barrel 20, avoiding the occupation of radial space and ensuring the compactness and applicability of the lens assembly component.

[0077] In this embodiment, the lens barrel reference structure 201b is located at the open end 204b; the lens barrel 20 includes at least one plane side wall 206b, which is parallel to the axis of the lens barrel 20, and the lens barrel step surface 2052b of the second step structure 205b is perpendicular to the plane side wall 206b.

[0078] Positioning the lens barrel reference structure 201b at the open end 204b facilitates direct observation of the relative positional relationship between the tool inspection structure 103b and the lens barrel reference structure 201b, allowing for quick determination of whether the lens is correctly installed. The lens barrel 20 includes at least one planar sidewall 206b, which is parallel to the axis of the lens barrel 20. This means that the planar sidewall 206b provides a reference surface that not only facilitates positioning and clamping of the lens barrel 20 during manufacturing and assembly, but also provides a vertical reference for the lens barrel step surface 2052b of the second stepped structure 205b. By ensuring that the lens barrel step surface 2052b is perpendicular to the planar sidewall 206b, the flatness and positional accuracy of the lens barrel step surface 2052b are ensured, ensuring that the tool inspection structure 103b of the lens installation tool 10 and the lens barrel reference structure 201b are accurately aligned during assembly, allowing for quick determination of the lens installation status.

[0079] In other embodiments, Figure 12 As shown, the lens barrel reference structure 201b is located between the opening end 204b and the mounting end 202b in the axial direction of the lens barrel 20, which provides a variety of installation positions for the lens barrel reference structure 201b, so that the reference structure can correspond to the tool inspection structure 103b of the lens mounting tool 10 during the lens mounting process.

[0080] refer to Figure 13The present invention further provides a third embodiment of a lens assembly. Similarities between this embodiment and the first embodiment are not described here in detail. The difference is that the lens barrel in the lens assembly does not include a lens barrel limiting structure, and the lens installation tool does not include a tool alignment structure.

[0081] like Figure 13 As shown, the lens assembly component includes: a lens barrel 20, including a lens barrel reference structure 201c and a mounting end 202c spaced apart in the axial direction, the mounting end 202c is configured to mount a lens; a lens mounting tool 10, configured to absorb the lens and mount the lens on the mounting end 202c, the lens mounting tool 10 includes: a tool body 101c, the tool body 101c extends in the axial direction; a suction structure 102c, located at the end of the tool body 101c; a tool inspection structure 103c, located on the outer side wall of the tool body 101c, and spaced apart from the suction structure 102c in the axial direction, the tool inspection structure 103c is configured to check the installation condition of the lens by comparison with the lens barrel reference structure 201c.

[0082] Although the embodiments of the present invention are disclosed above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention should be based on the scope defined by the claims.

Claims

1. A lens installation tool, characterized in that: The device is configured to absorb a lens and install the lens into a lens barrel, comprising: a tool body extending in an axial direction; A suction structure located at an axial end of the tool body; The tool inspection structure is located on the outer side wall of the tool body and is spaced apart from the suction structure in the axial direction, and is configured to inspect the installation condition of the lens.

2. The lens installation tool according to claim 1, wherein: The lens installation tool also includes: The tool aligning structure is located on the outer side wall of the tool body and is spaced apart from the tool checking structure and the suction structure in the axial direction.

3. The lens installation tool according to claim 2, wherein: The tool aligning structure includes: a radial outer end portion, wherein the radial outer end portion is a curved surface with an arc transition, or the radial outer end portion includes a side wall extending along the axial direction of the tool body.

4. The lens installation tool according to claim 1, wherein: The lens mounting tool includes an annular structure provided on a side wall of the tool body; The tool inspection structure includes an end surface of the annular structure facing away from the suction structure.

5. The lens installation tool according to claim 1, wherein: The tool inspection structure includes a plurality of planes spaced apart in the axial direction of the tool body.

6. The lens installation tool according to claim 5, wherein: The lens mounting tool comprises a first step structure arranged along the axial direction of the tool body, wherein the first step structure comprises a plurality of tool step surfaces; The tool inspection structure includes the plurality of tool step surfaces.

7. The lens installation tool according to claim 1, wherein: The suction structure comprises: A suction surface located at an end surface of the axial end of the tool body; A groove is concavely arranged on the suction surface, and the groove is configured to form a negative pressure cavity between the groove and the lens when the lens is sucked.

8. The lens installation tool according to claim 7, wherein: The suction surface is a curved surface configured to make curved contact with the lens; Alternatively, the suction surface is a plane and is configured to make at least partial surface contact with the edge of the lens.

9. The lens installation tool according to claim 7, wherein: The interior of the tool body includes an air channel, one end of the air channel is communicated with the groove, and the other end of the air channel is connected to an external negative pressure generator.

10. The lens installation tool according to claim 1, wherein: The tool inspection structure is perpendicular to the axial direction of the tool body.

11. A lens assembly, characterized in that: include: A lens barrel, comprising a lens barrel reference structure and a mounting end spaced apart in an axial direction, wherein the mounting end is configured to mount a lens; A lens mounting tool configured to absorb the lens and mount the lens on the mounting end, the lens mounting tool comprising: a tool body extending in an axial direction; a suction structure located at an end of the tool body; The tool inspection structure is located on the outer side wall of the tool body and is spaced apart from the suction structure in the axial direction. The tool inspection structure is configured to inspect the installation condition of the lens by comparing with the lens barrel reference structure.

12. The lens assembly according to claim 11, wherein: The lens barrel further comprises: a lens barrel limiting structure, which is located on the inner side wall of the lens barrel and is spaced apart from the lens barrel reference structure and the mounting end in the axial direction of the lens barrel; The lens mounting tool also includes: a tool alignment structure, located on the outer side wall of the tool body and axially spaced from the tool inspection structure and the suction structure, the tool alignment structure being configured to contact the lens barrel limiting structure to limit the radial movement of the lens mounting tool.

13. The lens assembly according to claim 12, wherein: The lens barrel limiting structure includes a radial inner end portion, and the radial inner end portion is a curved surface structure; The tool alignment structure includes a radially outer end portion, the radially outer end portion is a curved surface structure, and the radially outer end portion is configured to be in line contact with the radially inner end portion when the lens is correctly installed.

14. The lens assembly according to claim 12, wherein: The tool alignment structure includes a radially outer end portion, and the lens barrel limiting structure includes a radially inner end portion; The radially outer end portion has a curved surface structure, the radially inner end portion includes a sidewall extending axially along the lens barrel, and the curved surface structure of the radially outer end portion is configured to be in line contact with at least a portion of the sidewall of the radially inner end portion when the lens is correctly installed; or The radially inner end portion has a curved surface structure, and the radially outer end portion includes a side wall extending axially along the tool body. The side wall of the radially outer end portion is configured to be in at least partial linear contact with the curved surface structure of the radially inner end portion when the lens is correctly installed.

15. The lens assembly according to claim 11, wherein: The tool inspection structure is configured to be lower than, higher than, or flush with the lens barrel reference structure when the lens is correctly installed.

16. The lens assembly according to claim 11, wherein: The lens barrel includes an open end for the lens to pass through; The lens barrel reference structure is located at the opening end, or between the opening end and the mounting end in the axial direction of the lens barrel.

17. The lens assembly according to claim 16, wherein: The lens barrel reference structure includes a plane.

18. The lens assembly according to claim 16, wherein: The lens mounting tool comprises a first step structure arranged along the axial direction of the tool body, wherein the first step structure comprises a plurality of tool step surfaces; The lens barrel includes a second step structure arranged along the axial direction of the lens barrel, the second step structure includes a plurality of lens barrel step surfaces, and the second step structure has the same number of steps as the first step structure; the tool inspection structure includes the plurality of tool step surfaces, the lens barrel reference structure includes the plurality of lens barrel step surfaces, and the tool step surfaces correspond to the lens barrel step surfaces one by one, and the tool step surfaces are configured to be parallel to the lens barrel step surfaces when the lens is correctly installed.

19. The lens assembly according to claim 18, wherein: The lens barrel reference structure is located at the opening end; The lens barrel includes at least one plane side wall, the plane side wall is parallel to the lens barrel axis, and the lens barrel step surface of the second step structure is perpendicular to the plane side wall.

20. The lens assembly of claim 11, wherein: The lens barrel reference structure is perpendicular to the lens barrel axial direction, and the tool inspection structure is perpendicular to the tool body axial direction.

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