CN110858020A - Detachable lens, assembling method thereof and optical imaging device - Google Patents

Detachable lens, assembling method thereof and optical imaging device Download PDF

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Publication number
CN110858020A
CN110858020A CN201810958786.6A CN201810958786A CN110858020A CN 110858020 A CN110858020 A CN 110858020A CN 201810958786 A CN201810958786 A CN 201810958786A CN 110858020 A CN110858020 A CN 110858020A
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CN
China
Prior art keywords
lens
detachable
main body
lens barrel
assembly method
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Pending
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CN201810958786.6A
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Chinese (zh)
Inventor
陈航洋
李引锋
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Ningbo Sunny Automotive Optech Co Ltd
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Ningbo Sunny Automotive Optech Co Ltd
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Priority to CN201810958786.6A priority Critical patent/CN110858020A/en
Publication of CN110858020A publication Critical patent/CN110858020A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00Details of cameras or camera bodies; Accessories therefor
    • G03B17/02Bodies

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lens Barrels (AREA)

Abstract

The present invention provides a detachable lens, including: the lens unit comprises a detachable lens and a lens group, wherein the lens unit comprises a lens barrel main body, the lens group is installed inside the lens barrel main body, and the detachable lens can be detachably kept in an optical path of the lens group. The invention also discloses an assembling method and an optical imaging device.

Description

Detachable lens, assembling method thereof and optical imaging device
Technical Field
The present invention relates to the field of lenses, and in particular, to a detachable lens, an assembling method thereof, and an optical imaging apparatus.
Background
Optical imaging devices are widely used in various fields, for example, in the automotive field, they can be used as main hardware parts of a reverse image system and a driving recording system. Especially for an autonomous driving automobile, the application of the optical imaging device can enable the autonomous driving vehicle to monitor the surrounding environment in real time during the driving process, so that the autonomous driving vehicle can safely drive in a very complex traffic environment. That is, the optical imaging device has a very important meaning for ensuring safe driving of the autonomously driven vehicle, and the lens is an important component in the optical imaging device, and therefore, the reliability of the lens is self-evident to the driving safety of the autonomously driven vehicle.
In general, a lens of an optical imaging device mounted to a vehicle may be exposed to the outside of the vehicle, so that light of an external environment can directly and nondestructively enter the inside of the optical imaging device through the lens. However, the vehicle often causes small stones for paving the road or other hard debris rolling down on the road to "splash" due to its own weight and driving speed, and once these small stones or hard debris splash onto the bare lens, cracks or even chips are easily formed on the outermost lens constituting the lens, and once the lens is damaged, the imaging quality of the optical imaging device is inevitably seriously affected. Generally, a lens barrel includes a lens and a plurality of lenses assembled to the lens barrel, the lenses are accommodated in the lens barrel and are not detachable, and when the outermost lens of the lens barrel is damaged, the entire lens barrel needs to be replaced to ensure the imaging quality of the optical imaging apparatus, which results in high maintenance cost of the optical imaging apparatus.
Disclosure of Invention
A primary advantage of the present invention is to provide a detachable lens, an assembling method thereof, and an optical imaging apparatus, in which an outer lens of a detachable lens portion can be detached, thereby facilitating replacement of a damaged lens.
Another advantage of the present invention is to provide a detachable lens, an assembling method thereof and an optical imaging apparatus, in which an outer lens of the detachable lens can be detached, so that optical performance of the entire detachable lens can be ensured by replacing a damaged outer lens.
Another advantage of the present invention is to provide a detachable lens, an assembling method thereof and an optical imaging apparatus, wherein the detachable lens is detachably assembled, so that only the outer lens needs to be replaced in the following process, thereby reducing the maintenance cost and the use cost of the detachable lens.
Another advantage of the present invention is to provide a detachable lens, an assembling method thereof, and an optical imaging apparatus, wherein the assembling method can be detachably assembled in various embodiments.
Another advantage of the present invention is to provide a detachable lens, an assembling method thereof and an optical imaging apparatus, wherein the lens barrel of the detachable lens can stably maintain the inner lens from being damaged while the damaged outer lens of the detachable lens is detached, so that the inner lens is not affected during the detachment process, thereby ensuring the stability of the detachable lens.
Another advantage of the present invention is to provide a detachable lens barrel, a method of assembling the detachable lens barrel and an optical imaging apparatus, wherein the detachable lens barrel includes a lens unit and a lens barrel unit, wherein the lens unit includes a detachable lens and a lens group, wherein the lens barrel unit positionally accommodates the lens group, and the lens barrel unit is detachably divided into two parts, such that when the detachable lens of the lens unit is damaged, the lens barrel unit is detachably divided into two parts, such that the detachable lens can be easily replaced.
Another advantage of the present invention is to provide a detachable lens, a method of assembling the same, and an optical imaging apparatus, wherein the assembling member includes a mounting portion and a lens barrel body, and the mounting portion and the detachable lens are integrally assembled, thereby facilitating the assembling process and the disassembling process and facilitating the high efficiency of production.
Another advantage of the present invention is to provide a detachable lens, a method for assembling the same, and an optical imaging apparatus, wherein the optical imaging apparatus employs the detachable lens, and when a detachable lens of the detachable lens is damaged, the use cost of the optical imaging apparatus is reduced by replacing the detachable lens.
Additional advantages and features of the invention will be set forth in the detailed description which follows and in part will be apparent from the description, or may be learned by practice of the invention as set forth hereinafter.
According to an aspect of the present invention, there is provided a detachable lens including:
a lens unit, wherein the lens unit comprises a detachable lens and a lens group; and
a lens barrel unit, wherein the lens barrel unit includes a barrel body, wherein the lens group is mounted inside the barrel body, wherein the detachable lens is detachably retained in an optical path of the lens group.
The detachable lens according to an embodiment of the present invention, wherein the lens barrel unit includes a mount portion, wherein the detachable lens is detachably held by the mount portion to an optical path of the lens group.
According to an embodiment of the present invention, the detachable lens, wherein the mount portion and the lens barrel main body are screw-coupled to each other.
According to an embodiment of the present invention, the detachable lens, wherein the mount portion and the lens barrel body are screw-coupled to each other.
According to an embodiment of the present invention, the detachable lens barrel includes a lens barrel body, a mount portion, and a lens barrel mount.
The detachable lens according to an embodiment of the present invention further includes a sealing member, wherein the sealing member is disposed between the mount portion and the lens barrel main body.
According to an embodiment of the present invention, the detachable lens, wherein the sealing member is captively received by the lens barrel body.
According to an embodiment of the present invention, the removable lens, wherein the sealing member is fixed to the mount portion by glue.
The detachable lens according to an embodiment of the present invention, wherein the detachable lens, the seal, and the mount portion are assembled as one body.
The detachable lens according to an embodiment of the invention further includes at least one pressing member, wherein the pressing member is connected to the lens barrel main body in a positioning manner and limits the lens group.
The detachable lens according to an embodiment of the present invention, wherein the pressing member is screwed to the lens barrel main body in a screwed manner.
According to an embodiment of the present invention, the detachable lens barrel includes a lens barrel body, a pressing member, and a pressing member.
According to an embodiment of the present invention, the detachable lens is fixed to the mounting portion by glue.
According to an aspect of the present invention, the present invention further provides an optical imaging apparatus, comprising:
an imaging subject; and
a removable lens, comprising:
a lens unit, wherein the lens unit comprises a detachable lens and a lens group; and
a lens barrel unit, wherein the lens barrel unit includes a barrel body, wherein the lens group is mounted inside the barrel body, wherein the detachable lens is detachably retained in an optical path of the lens group, wherein the detachable lens is retained in a photosensitive path of the imaging body.
According to one aspect of the present invention, there is further provided an assembly method comprising the steps of:
a mounting part is detachably covered on a lens cone main body, and a detachable lens is detachably limited on a light inlet of the lens cone main body.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
the mount portion is covered with the lens barrel main body in a downward screwing manner.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
the mount portion is covered with the lens barrel main body in a snap-fit manner.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
the mounting part is covered on the lens cone main body in a buckling mode, and then the mounting part is locked to be covered on the lens cone main body through mutual rotation at a certain angle.
The assembly method according to an embodiment of the invention wherein the assembly method further comprises the steps of:
and covering the mounting part on the lens cone main body and connecting the mounting part through a screw so as to limit the detachable lens on the light inlet of the lens cone main body.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
assembling the detachable lens and the mounting part into a whole; and
and covering the mounting part on the lens barrel main body.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
and placing the detachable lens into an accommodating space of the mounting part from a window of the mounting part and limiting the detachable lens.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
will the detachable lens certainly put into from a mounting port of installation department the accommodation space is spacing.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
holding the detachable lens at the light inlet of the lens barrel main body; and
the mounting part and the lens barrel body are assembled into a whole.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
covering the mount portion on the barrel main body; and
and placing the detachable lens into the accommodating space of the mounting part from the window.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
assembling the lens barrel main body and the lens group into a whole; and
the mounting part and the lens barrel body are assembled into a whole.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
assembling the mounting part and the lens barrel main body into a whole; and
and placing the lens group into an assembly space of the lens barrel main body from a light outlet of the lens barrel main body.
The assembling method according to an embodiment of the invention, wherein the step of assembling the lens barrel body and the lens group into a whole specifically includes the following steps: and
and placing the lens group into the assembling space of the lens barrel body from the light outlet of the lens barrel body.
The assembling method according to an embodiment of the invention, wherein the step of assembling the lens barrel body and the lens group into a whole specifically includes the following steps:
and placing the lens group into the assembling space of the lens barrel body from the light inlet of the lens barrel body.
The assembling method according to an embodiment of the invention, wherein the step of assembling the lens barrel body and the lens group into a whole specifically includes the following steps:
and respectively placing the lens group into the assembling space of the lens barrel body from the light outlet and the light outlet of the lens barrel body.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
placing a sealing element in a sealing groove of the lens cone main body and keeping the sealing element at the light inlet of the lens cone main body; and
the mounting part and the lens barrel body are assembled into a whole.
According to an embodiment of the present invention, the step of placing a sealing member in a sealing groove of the lens barrel body and holding the sealing member at the light inlet of the lens barrel body further includes the following steps:
and fixing the sealing element glue on the mounting part and keeping the sealing element glue on the mounting opening of the mounting part.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
at least one pressing piece is kept at the light inlet of the lens cone main body and is connected to the connecting wall in a positioning mode; and
the mounting part and the lens barrel body are assembled into a whole.
According to an embodiment of the present invention, the step of holding a pressing member at the light inlet of the lens barrel body and positionally connecting the pressing member to the connecting wall includes the following steps:
and the pressing piece is kept at the light inlet of the lens cone body and is fixed on the connecting wall by glue.
According to an embodiment of the present invention, the step of holding a pressing member at the light inlet of the lens barrel body and positionally connecting the pressing member to the connecting wall includes the following steps:
the pressing member is held at the light entrance of the lens barrel body and is screw-coupled to the coupling wall.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
will the detachable lens with the installation department is fixed through glue each other.
The assembly method according to an embodiment of the invention, wherein the assembly method further comprises the steps of:
will the lens can be dismantled, the sealing member and the installation department is fixed through glue each other.
Further objects and advantages of the invention will be fully apparent from the ensuing description and drawings.
These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the claims.
Drawings
Fig. 1 is a schematic cross-sectional view of a first preferred embodiment according to the present invention.
Fig. 2 is an exploded schematic view of a first preferred embodiment according to the present invention.
Fig. 3 and 4 are schematic views of assembly steps according to a first preferred embodiment of the present invention.
Fig. 5 is a schematic cross-sectional view of a second preferred embodiment according to the present invention.
Fig. 6A and 6B are schematic views of an assembly step according to a second preferred embodiment of the present invention.
Fig. 7 is a cross-sectional view of a third preferred embodiment according to the present invention.
Fig. 8 is a schematic view of an assembly step according to a third preferred embodiment of the present invention.
Fig. 9 is a sectional view of a fourth preferred embodiment according to the present invention.
Fig. 10A and 10B are schematic views of an assembly step according to a fourth preferred embodiment of the present invention.
Fig. 11A and 11B are application diagrams according to a fourth preferred embodiment of the present invention.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents, and other technical solutions without departing from the spirit and scope of the invention.
It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for ease of description and simplicity of description, and do not indicate or imply that the referenced devices or components must be in a particular orientation, constructed and operated in a particular orientation, and thus the above terms are not to be construed as limiting the present invention.
It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.
Referring to fig. 1 and 2 of the drawings of the present specification, a detachable lens 100 according to a first preferred embodiment of the present invention is disclosed and illustrated in the following description, wherein the detachable lens 100 includes a lens unit 10 and a lens barrel unit 20, wherein the lens unit 10 includes a detachable lens 11 and a lens group 12, wherein the lens barrel unit 20 includes a barrel body 21, wherein the lens group 12 is assembled inside the barrel body 21, and the detachable lens 11 is detachably held in an optical path of the lens group 12. When the detachable lens 11 of the lens unit 10 of the detachable lens 100 is damaged by being touched, only the detachable lens 11 may be replaced, and in this way, the optical performance of the entire detachable lens 100 can be ensured.
The lens barrel main body 21 has an assembly space 211, and a light inlet 212 and a light outlet 213 communicating with the assembly space 211, wherein each lens of the lens group 12 is assembled in the assembly space 211 of the lens barrel main body 21, and the detachable lens 11 is detachably retained in the light inlet 212 of the lens barrel main body 21. The lens group 12 is accommodated in the assembly space 211. More specifically, the light beam reflected by the object is projected from the light outlet 213 through the detachable lens 100 and the lens assembly 12. When the object-oriented detachable lens 11 is damaged by being touched by an external object, the optical performance of the detachable lens 11 can be ensured by detaching the detachable lens 11. The removable lens 11 is removably retained in the optical path of the lens set 12. It should be noted that the optical axes of the detachable lens 11 and the lens group 12 are collinear.
Preferably, the lens barrel unit 20 includes a mounting portion 22, wherein the mounting portion 22 and the lens barrel body 21 are detachably assembled to the lens unit 11. Preferably, the mounting portion 22 fixes the detachable lens 11 and is detachably assembled with the lens group 12. When the detachable lens 11 is damaged, the mounting portion 22 and the barrel main body 21 can be detachably replaced, so that when the detachable lens 11 of the detachable lens 100 is damaged, the detachable lens 100 does not need to be integrally replaced, and only the detachable lens 11 needs to be detached to ensure the optical performance of the detachable lens 100.
Preferably, the mounting portion 22 has a receiving space 221, a window 222 and a mounting opening 223 communicating with the receiving space 221, wherein the detachable lens 11 is limited in the receiving space 221. Preferably, the lens barrel main body 21 extends into the accommodating space 221 from the mounting opening 223 and is held in the mounting opening 223.
Preferably, the mount portion 22 and the barrel main body 21 are screw-coupled to each other such that the mount portion 22 and the barrel main body 21 are detachable by screws.
Preferably, the mounting portion 22 covers the lens barrel main body 21 and is held by the light inlet 212 of the lens barrel main body 21.
The lens barrel body 21 includes a bearing member 214, wherein the bearing member 214 defines the assembling space 211. Further, the lens group 12 is accommodated in a limited manner by the bearing member 214, the detachable lens 11 is limited by the mounting portion 22, and the bearing member 214 and the mounting portion 22 are detachably assembled to keep the optical axes of the detachable lens 11 and the lens group 12 in the same straight line.
The mounting portion 22 includes a retaining member 224, and the mounting portion 22 has the accommodating space 221, wherein the retaining member 224 defines the accommodating space 221. The holding member 224 is detachably assembled with the carrying member 214, and detachably fixes the detachable lens 11 and the lens group 12.
Preferably, the retaining member 224 has at least two positioning through holes 2241, and the carrier member 214 has at least two positioning holes 2141, wherein each of the positioning through holes 2241 and the corresponding positioning hole 2141 can be matched to correspond, so that when each of the positioning through holes 2241 of the retaining member 224 is aligned with the corresponding positioning hole 2141 of the carrier member 214, the retaining member 224 and the carrier member 214 are fastened by at least two screws, so that the retaining member 224 and the carrier member 214 can be detachably connected to accommodate the lens unit 10.
The positioning through holes 2241 of the retaining member 224 and the positioning holes 2141 of the bearing member 214 are matched, and the number of the positioning through holes 2241 and the corresponding positioning holes 2141 is not limited, and may be implemented as three or more.
Preferably, the retaining member 224 includes a stopper end 2242 and a retaining wall 2243, wherein the stopper end 2242 and the retaining wall 2243 are assembled as a whole, wherein the stopper end 2242 defines the window 2221. Preferably, the position-limiting end 2242 limits the detachable lens 11, and the retaining wall 2243 and the bearing member 214 are screwed together.
The supporting member 214 includes a connecting wall 2142 and a receiving portion 2143, wherein the connecting wall 2142 and the receiving portion 2143 are integrally assembled. The connecting wall 2142 defines the positioning hole 2141, wherein the connecting wall 2142 and the retaining wall 2243 are screw-coupled to each other such that the carrier member 214 and the retaining member 224 are detachably coupled.
Through the mounting portion 22 the positioning through hole 2241 aligns the positioning hole 2141 of the barrel main body 21, each of the screws detachably connects the mounting portion 22 and the barrel main body 21.
Preferably, the mounting portion 22 and the detachable lens 11 are integrally assembled, and the detachable lens 11 positioned by the mounting portion 22 is covered on the lens group 12 to keep the detachable lens 11 arranged on the optical path of the lens group 12 by integrally assembling the mounting portion 22 and the detachable lens 11 by means of glue.
Preferably, the detachable lens 100 further includes a sealing element 30, wherein the sealing element 30 is disposed between the mounting portion 22 and the lens barrel body 21, so as to seal a gap between the mounting portion 22 and the detachable lens 11 and a gap defined by the mounting portion 22 and the lens barrel body 21, so as to prevent foreign matters such as dust from entering an optical path between the detachable lens 11 and the lens group 12 between the mounting portion 22 and the lens barrel body 21 to affect the optical path of the light beam, thereby improving the light transmission efficiency of the detachable lens 100 and further improving the definition of the detachable lens 100.
The sealing member 30 can be retained by the lens barrel unit 20 and fit into the exposed gap formed by the lens barrel unit 20 and the lens unit 10 during the assembling process, so that the sealing member 30 can better prevent dust from obstructing the optical path between the detachable lens 11 and the lens group 12.
Preferably, the bearing member 214 has a close groove 2144, wherein the close groove 2144 is formed on the end surface of the connecting wall 2142. The sealing groove 2144 is configured to receive the sealing element 30, and the sealing element 30, the bearing member 214, and the retaining member 224 are tightly assembled.
Preferably, the detachable lens 100 includes a pressing member 40, wherein the pressing member 40 is disposed at the light inlet 212 of the lens barrel main body 21 and is assembled with the lens barrel main body 21 in a positioning manner.
Referring to fig. 2, the pressing member 40 may be implemented as an annular body, and the outer side of the pressing member 40 may be matched with the connecting wall 2142, so that the pressing member 40 may be accommodated in the assembling space 211 by being positioned by the connecting wall 2142 and disposed at the light inlet 212 of the lens barrel main body 21, so that the lens barrel main body 21 and the pressing member 40 may be firmly connected to limit the lens group 12. The position of the lens group 12 is stably limited without affecting the optical path of the lens group 12, so that damage caused by vibration or displacement of the lens group 12 in the process of disassembling and assembling the detachable lens 11 or using the detachable lens is prevented.
Alternatively, the pressing member 40 may be implemented as at least two pressing members, each of which may be implemented as a bar or a block, and the pressing members may be securely connected to the connecting wall 2142, so that the pressing members are positioned by the connecting wall 2142 and limit the lens group 12 accommodated inside the lens barrel body 21, thereby preventing damage caused by vibration or displacement of the lens group 12. For example, when the detachable lens 11 is replaced, the assembly relationship between the lens group 12 and the barrel main body 22 is not changed. When the pressing member is implemented in a bar shape or a block shape, the pressing member is preferably fixedly connected to the connecting wall 2142 by glue, so that the pressing member presses the lens group 12 point-press type or line-press type. Preferably, the point-press type means that the pressing piece is small relative to the lens group 12 and presses or limits a point of the lens group 12. Preferably, the line-pressing type means that the pressing member is in a line shape relative to the lens group 12 and presses or limits the lens group 12. Dot and line compression are relative terms.
More preferably, at least two of the compression members are uniformly arranged inside the connecting wall 2142, so that the lens group 12 is uniformly compressed by the compression members disposed therearound.
It will be understood and appreciated by those skilled in the art that the number, form and material of the compression members 40 are not limited in the present invention. The number of the pressing members 40 may be implemented as two, three, or more than three, and the shape of the pressing members 40 may be various, wherein the thickness and form of the pressing members 40 are varied according to the requirements of the lens group 12 and the lens barrel unit 20.
The pressing member 40 is detachably connected to the connection wall 2142, and allows the pressing member 40 to be received in the assembly space 211. The pressing member 40 presses the lens group 12 and is stably held at the light inlet 212.
Preferably, the pressing member 40 has an external thread 41, and the bearing member 214 includes an internal thread 2145, wherein the internal thread 2145 is formed on the inner side of the connecting wall 2142. The external threads 41 and the internal threads 2145 are matched, so that the pressing member 40 can be stably held at the light inlet 212 defined by the connecting wall 2142 for pressing the lens group 12.
Preferably, the pressing member 40 is detachably connected to the inner side of the connecting wall 2142 in a screwing manner, so that the pressing member 40 limits one end of the lens group 12 to ensure that the lens group 12 can be stably accommodated in the assembling space 211 without damage during the disassembly of the detachable lens 100.
Referring to fig. 3 and 4 of the drawings in the specification, the present invention shows an assembling method of a first preferred embodiment, wherein fig. 3 shows that the lens barrel main body 21, the lens group 12 and the pressing member 40 are assembled into a whole, and fig. 4 shows that the lens barrel main body 21, the lens group 12 and the pressing member 40 are assembled into a whole and then the detachable lens and the holding member 11 are assembled.
It should be noted that the assembly of the lens barrel main body 21, the lens group 12 and the pressing member 40 is to be an integral part, so that the subsequent assembly process is more convenient, the assembly efficiency is improved, when the detachable lens 11 is damaged, the lens barrel main body 21, the lens group 12 and the pressing member 40 can still be kept stable, and the optical performance of the detachable lens 1 can be realized by replacing the detachable lens 11 with a new one.
It should be noted that the lens group 12 and the barrel body 21 may be mounted in various ways.
Alternatively, the lens group 12 and the barrel body 21 may be mounted in such a manner that the lenses 12 are sequentially inserted into the barrel body 21 from the light inlet 212 of the barrel body 21, and a plurality of spacers may be used to maintain the interval between adjacent lenses and reduce the friction between adjacent lenses. Alternatively, the lens group 12 and the barrel body 21 may be mounted in such a manner that the lenses 12 are sequentially inserted into the barrel body 21 from the light outlet 213 of the barrel body 21, and a plurality of spacers may be used to maintain the interval between the adjacent lenses and reduce the friction between the adjacent lenses.
Alternatively, the lens group 12 may be inserted into the assembly space 211 from both ends of the light inlet 212 and the light outlet 213 of the lens barrel main body 21, respectively, and the light outlet 213 of the lens group 12 is limited to the lens group 12. Further, the pressing member 40 is screwed into the connecting wall 2142 and is held at the light inlet 212, so that the lens group 12 is stably held in the assembling space 213.
Optionally, the sealing member 30 is received in the sealing groove 2144 of the bearing part 214, and is used for limitedly receiving the detachable lens 11 by the bearing member 214, and connecting the retaining member 224 and the bearing part 214 by screws, so that the detachable lens 11 can be conveniently detached when damaged.
Referring to fig. 4 of the drawings, the mounting portion 22 and the detachable lens 11 are integrally assembled. The mounting portion 22 and the detachable lens 11 are covered on the bearing member 214 and detachably connected by a screw.
Preferably, in the present invention, the assembly of the detachable lens 11 and the mounting portion 22 into a whole may include two assembling methods, including: first, the detachable lens 11 is placed into the accommodating space 221 of the mounting portion 22 from the window 222 of the mounting portion 22. Second, the detachable lens 11 is inserted into the accommodating space 221 of the mounting portion 22 from the mounting opening 223 of the mounting portion 22.
Further, the detachable lens 11 is limited to the mounting portion 22.
Preferably, the removable lens 11 is glue-fixed to the mounting portion 22.
Optionally, the seal 30 is assembled integrally with the mounting portion 22.
Optionally, the detachable lens 11 may be snapped into the accommodating space 221 of the mounting portion 22 through the window 222 of the mounting portion 22, and fixed by dispensing.
Optionally, the detachable lens 11 can be inserted into the accommodating space 221 from the mounting opening 223 of the mounting portion 22, and the orientation of the detachable lens 11 is predetermined.
Alternatively, the detachable lens 11 and the mounting portion 22 are respectively assembled to the barrel main body 21 in sequence.
Alternatively, the detachable lens 11 may be disposed at the light inlet 212 of the lens barrel main body 21, and the mounting portion 22 is covered on the detachable lens 11 and the lens barrel main body 21 and is screwed to limit the detachable lens 11.
Preferably, the sealing member 30 is retained by the barrel body 21.
Preferably, the pressing member 40 is positionally connected to the lens barrel main body 21.
Optionally, the lens barrel body 21 and the lens group 12 may be assembled into a whole, wherein the assembling of the lens barrel body 21 and the lens group 12 into a whole includes the following ways: first, the lens group 12 is inserted into the assembly space 211 of the lens barrel body 21 from the light inlet 212 of the lens barrel body 21; secondly, the lens group 12 is placed into the assembly space 211 of the lens barrel body 21 from the light outlet 213 of the lens barrel body 21 and is limited; thirdly, the lens group 12 is sequentially inserted into the assembly space 211 of the lens barrel body 21 from the lens barrel body 21 through the light inlet 212 and the light outlet 213, respectively, and then is limited.
Preferably, the third method for assembling the lens barrel body 21 and the lens group 12 integrally includes: the pressing member 40 can be connected to the connecting wall 2142 of the lens barrel main body 21 in a positioned manner. The pressing member 40 may also be used to press the lens group 12 when the lens group 12 is inserted into the barrel body 21 from the light inlet 212, so as to prevent the lens group 12 from deviating during vibration and the like, thereby preventing the optical performance of the lens group 12 from being affected.
It should be noted that the sealing member 30 is locked in the sealing groove 2144 of the bearing member 214, and the mounting portion 22 and the detachable lens 11 are covered on the bearing member 214 and detachably connected by a screw.
Referring to fig. 3, the bearing member 214 is supported by a fixture 50, and the fixture 50 is held at the light inlet 212 of the lens barrel main body 21, and the lens group 12 is placed into the assembly space 211 from the light outlet 213, so that the lens group 12 is stably accommodated in the assembly space 211 of the lens barrel main body 21.
Further, the pressing member 40 is positioned on the connecting wall 2142 in a screwed-in manner, and presses the lens group 12, so as to prevent the lens group 12 from shifting due to vibration of the lens group 12 during the process of assembling and disassembling the detachable lens 100.
The lens barrel main body 21 and the lens group 12 are assembled into a whole, and the lens barrel main body 21 and the detachable lens 11 are assembled into a whole.
Alternatively, the detachable lens 11 and the mounting portion 22 are separately provided to the barrel main body 21. It is worth mentioning that the separate mounting means that the detachable lens 11 and the mounting portion 22 are respectively mounted to the barrel main body 21 in sequence.
More preferably, the detachable lens 11 and the mounting portion 22 are assembled together, and then the lens unit 12 and the barrel body 21 are assembled together.
According to another aspect of the present invention, the present invention further provides an assembling method, wherein the assembling method comprises the steps of:
(A) assembling the lens barrel main body 21 and the lens group 12 into a whole;
(B) covering the mount 22 on the barrel body 21 and holding the detachable lens 11 at the light entrance 212; and
(C) at least two screws are adopted to detachably connect the two.
Preferably, the assembly method comprises, between the steps (B) and (C), the steps of:
(D) the sealing member 30 is disposed between the mount portion 22 and the barrel main body 21 to prevent dust from entering an optical path between the detachable lens 11 and the lens group 12.
Preferably, the step (B) of the assembling method further comprises the steps of:
(B1) the detachable lens is assembled with the mounting portion 22.
Preferably, said step (B1) of the assembly method further comprises the steps of:
(B2) the detachable lens and the mounting portion 22 are fixed together by glue.
Preferably, the step (C) of the assembling method further comprises the steps of:
by the pressing piece 40 being arranged between the mounting portion 22 and the lens group 12, the lens group 12 is fastened to the mounting portion 22, and the lens group 12 is prevented from vibrating during the assembling and disassembling process.
Preferably, the step (D) of the assembling method further comprises the steps of:
the sealing member 30 is received in the sealing groove 2144 of the bearing part 214 of the lens barrel main body 22, so that the sealing member 30 prevents dust from entering an optical path between the detachable lens 11 and the lens group 12 during the assembling and disassembling process.
Preferably, the step (B) of the assembling method further comprises the steps of:
the pressing member 40, the barrel body 21, and the lens group 12 are assembled integrally.
Referring to fig. 5 of the drawings in the specification, the present invention shows the detachable lens 100 of the second preferred embodiment, which is different from the first preferred embodiment in that the method of mounting the lens barrel main body 21 and the mount portion 22 and the implementation of the pressing member 40 are different and become new embodiments. The barrel body 21 and the mount portion 22 are screwed.
Further, the bearing member 214 of the lens barrel body 21 includes a first connecting thread 2141, wherein the first connecting thread 2141 is disposed on the outer side of the connecting wall 2142. The retaining member 224 includes a second connecting screw 2241, wherein the second connecting screw 2241 is disposed on the inner side of the retaining wall 2243, and the bearing member 214 is fittingly covered by the retaining member 224, such that the bearing member 214 is screw-coupled to each other by the first screw 2141 and the second screw 2241 of the retaining member 224.
Preferably, the mounting portion 22 is screwed to the barrel main body 21 in a downward-screwing manner, so that the mounting portion 22 positions the detachable lens 11 in an optical path of the lens group 12 in a limited manner.
Preferably, the detachable lens 100 includes the pressing member 40, the pressing member 40 is fixed on the inner side of the connecting wall 2142 by a glue 200, and the pressing member 40 is further glued on the connecting wall 2142 by the glue 200 and is positioned at the light inlet 212, and limits the lens group 12, so that the pressing member 40 ensures that the lens group 12 is stably limited without damage during the process of detaching the detachable lens 11.
Referring to fig. 6A and 6B of the drawings of the specification, an assembling method of the detachable lens 100 of the second preferred embodiment is explained in detail, wherein the assembling method includes the steps of:
(i) assembling the lens barrel main body 21 and the lens group 12 into a whole; and
(j) the mounting portion 22 is covered on the lens barrel main body 21 in a manner of screwing in the following manner, and the detachable lens 11 is limited at the light inlet 212 of the lens barrel main body 21.
Optionally, step (j) of the assembly method further comprises the steps of:
(j.1) assembling the mounting portion 22 and the detachable lens 11 as a single unit.
Optionally, step (j) of the assembly method further comprises the steps of:
(j.2) glue-fixing the mounting portion 22 and the detachable lens 11 into one body.
Preferably, the method further comprises the steps of, between step (i) and step (j):
(k) the sealing member 30 is disposed between the mount portion 22 and the barrel main body 21 to prevent dust from entering an optical path between the detachable lens 11 and the lens group 12.
Preferably, said step (i) of said assembly method further comprises the steps of:
by the pressing member 40 being disposed between the lens barrel body 21 and the lens group 12, the lens group 12 is fastened to the mounting portion 22, and each lens group 12 is prevented from vibrating during the assembling and disassembling process.
Preferably, the step (k) of the assembling method further comprises the steps of:
the sealing member 30 is received in the sealing groove 2144 of the lens barrel main body 21, so that the sealing member 30 prevents dust from entering an optical path between the detachable lens 11 and the lens group 12 during the assembling and disassembling process.
Preferably, step (i) of the assembly method further comprises the steps of:
(i.1) the pressing member 40, the lens barrel body 21, and the lens group 12 are assembled integrally.
Preferably, step (i) of the assembly method further comprises the steps of:
the pressing member 40, the barrel body 21, and the lens group 12 are assembled integrally.
Preferably, step (i) of the assembly method further comprises the steps of:
the pressing member 40, the sealing member 30, the lens barrel body 21, and the lens group 12 are assembled as a single body.
Preferably, step (i) of the assembly method further comprises the steps of:
(i.2) the pressing member 40, the seal member 30, the barrel main body 21, and the lens group 12 are assembled integrally.
Optionally, step (i.1) of the assembly method further comprises the steps of:
placing the lens group 12 into the assembling space of the lens barrel main body 21 from the light inlet 212 of the lens barrel main body 21; and
the pressing member 40 is tightly connected to the lens barrel main body 21 and limits the lens group 12.
Optionally, step (i.1) of the assembly method further comprises the steps of:
placing the lens group 12 into the assembling space of the lens barrel main body 21 from the light outlet 213 of the lens barrel main body 21; and
the pressing member 40 is tightly connected to the lens barrel main body 21 and limits the lens group 12.
Optionally, step (i.1) of the assembly method further comprises the steps of:
placing the lens group 12 into the assembly space of the lens barrel main body 21 in sequence from the light inlet 212 and the light outlet 213 of the lens barrel main body 21; and
the lens group 12 for limiting the light exit 213 end of the lens barrel main body 21 is configured to tightly connect the pressing member 40 to the lens barrel main body 21, and is retained at the light entrance 212 of the lens barrel main body 21, so as to limit the lens group 12.
Optionally, step (i.2) of the assembly method further comprises the steps of:
placing the lens group 12 into the assembling space of the lens barrel main body 21 from the light inlet 212 of the lens barrel main body 21;
tightly connecting the pressing member 40 to the lens barrel main body 21 and limiting the lens group 12; and
the pressing member 40 is disposed in the fit groove 2144 of the lens barrel main body 21.
Optionally, step (i.1) of the assembly method further comprises the steps of:
placing the lens group 12 into the assembly space of the lens barrel main body 21 in sequence from the light inlet 212 and the light outlet 213 of the lens barrel main body 21;
the lens group 12 for limiting the light exit 213 end of the lens barrel main body 21, the pressing member 40 is tightly connected to the lens barrel main body 21, and is retained at the light entrance 212 of the lens barrel main body 21, so as to limit the lens group 12; and
the pressing member 40 is disposed in the fit groove 2144 of the lens barrel main body 21.
Optionally, step (j) of the assembly method further comprises the steps of:
the detachable lens 11 and the mounting portion 22 are separately provided to the barrel main body 21.
It is worth mentioning that the separate mounting means that the detachable lens 11 and the mounting portion 22 are respectively mounted to the barrel main body 21 in sequence. Further, the detachable lens 11 is placed at the light inlet 212 of the lens barrel main body 21 and is limited by the connecting wall 2142 of the lens barrel main body 21, so that the detachable lens 11 can be stably placed on the lens barrel main body 21; and
the mounting portion 22 is screwed to the lens barrel main body 21, and the detachable lens 11 is clamped between the mounting portion 22 and the lens barrel main body 21.
More preferably, step (j.2) of the assembly method further comprises the steps of:
(j.21) assembling the detachable lens 11 and the mounting portion 22 into one; and
(j.22) the lens barrel body 21 and the lens group 12 are assembled together.
More preferably, step (j.21) of the assembly method further comprises the steps of:
the detachable lens 11 is placed in the accommodating space 212 of the mounting portion 22 from the window 222 of the mounting portion 22, and then assembled with the lens barrel main body 21 and the lens group 12.
More preferably, step (j.21) of the assembly method further comprises the steps of:
the detachable lens 11 is inserted into the accommodating space 212 of the mounting portion 22 from the mounting opening 223 of the mounting portion 22, and then assembled with the barrel body 21 and the lens group 12.
Optionally, the assembly method may also be implemented to include the steps of:
(T) cover the mounting portion 22 to the barrel body 21 in a manner of screwing in the following manner and limit the detachable lens 11 to the light inlet 212 of the barrel body 21.
Step (T) of the assembly method further comprises the steps of:
(t.1) assembling the detachable lens 11 and the mounting portion 22 into a single body; and
(t.2) covering the mount portion 22 to the barrel body 21 in a downward screwing manner.
Further, step (t.1) of the assembly method comprises the steps of:
(t.11) placing the detachable lens 11 into the accommodating space 221 of the mounting portion 22 from the window 222 of the mounting portion 22 and limiting.
Preferably, step (t.11) of the assembly method comprises the steps of:
the detachable lens 11 is placed into the accommodating space 221 of the mounting portion 22 from the window 222 of the mounting portion 22 and fixed by glue.
Further, step (t.11) of the assembly method comprises the steps of:
the detachable lens 11 is placed into the accommodating space 221 of the mounting portion 22 from the mounting opening 223 of the mounting portion 22 and is limited.
Optionally, step (T) of the assembly method further comprises the steps of:
the light inlet 212 for holding the detachable lens 11 to the mounting portion 22; and
the mount 22 is screwed to the barrel body 21.
Optionally, step (T) of the assembly method further comprises the steps of:
covering the mount 22 to the barrel body 21 in a manner to be screwed; and
the detachable lens 11 is placed into the accommodating space 221 of the mounting portion 22 through the window 222.
Optionally, the assembling method further comprises, before step (T), the steps of:
(t.01) assembling the lens barrel body 21 and the lens group 12 integrally.
Further, the assembling method further comprises, after the step (t.01), the steps of:
the sealing member 30 is placed in the mating groove 2144 of the lens barrel main body 21 and held in the light entrance 212 of the lens barrel main body 21.
Optionally, the assembling method further comprises, before step (T), the steps of:
glue-fixing the sealing member 30 to the mounting portion 22 and holding the sealing member in the mounting opening 223 of the mounting portion 22; and
the mount portion 22 is detachably mounted to the barrel main body 21.
Optionally, the assembling method further comprises, after step (t.01), the steps of:
the pressing member 40 is held in the light inlet 212 of the lens barrel main body 21 and is positionally connected to the connecting wall 2142. Still further, the assembling method further comprises, before the step (T), the steps of:
the pressing member 40 is held in the light inlet 212 of the lens barrel body 21 and fixed to the connecting wall 2142 by glue.
Optionally, the assembling method further comprises, before step (T), the steps of:
the pressing member 40 is held at the light inlet 212 of the lens barrel body 21 and is threadedly coupled to the coupling wall 2142.
Optionally, the assembling method further comprises the following steps at step (T):
detachably attaching the attachment portion 22 to the barrel main body 21; and
the lens group 12 is inserted into the assembly space 211 of the lens barrel body 21 from the light outlet 213 of the lens barrel body 21. Referring to fig. 7 of the drawings accompanying the specification, the detachable lens 100 according to the third preferred embodiment of the present invention is disclosed and explained, which is different from the first preferred embodiment in that the lens barrel main body 21 and the mount portion 22 are assembled in a different manner to become a new embodiment.
The barrel body 21 and the mount portion 22 are snappingly connected. Preferably, the mounting portion 22 is press-covered on the lens barrel main body 21 in a press-fitting manner, so that the mounting portion 22 keeps the detachable lens 11 being accommodated in the light inlet 212 of the lens barrel main body 21 in a limited manner, and further the detachable lens 11 is detachably disposed in the optical path of the lens group 12.
Optionally, the lens barrel body 21 is pressed against the mounting portion 22, and the lens barrel body 21 and the mounting portion 22 are relatively rotated by a certain angle to lock the lens barrel body 21 and the mounting portion 22.
Preferably, the bearing member 214 includes at least one first blocking member 2141, wherein the retaining member 224 includes at least one second blocking member 2241, wherein each of the first blocking members 2141 can be matched with one of the second blocking members 2241, when the first blocking member 2141 and the second blocking member 2241 are matched with each other, the lens barrel main body 21 and the mounting portion 22 can be detachably assembled.
The first locking member 2141 and the second locking member 2241 can be connected with each other by a snap-fit manner, so that the detachable lens 11 and the lens set 12 can be detachably assembled and located on the same central axis.
Preferably, the first blocking member 2141 is implemented as at least one groove 2141, and the second blocking member 2241 is implemented as at least one protrusion 2241, and the protrusion 2241 is fittingly received in the groove 2141 in a blocking manner, so that the first blocking member 2141 and the second blocking member 2241 are engaged with each other and connect the lens barrel main body 21 and the mounting portion 22.
Alternatively, the first blocking members 2141 are implemented as two grooves 2141, and the second blocking members 2241 are implemented as two protrusions 2241, wherein each of the grooves 2141 is formed at an outer wall of the connection wall 2142, and each of the protrusions 2241 is formed at an inner wall of the holding wall 2243. Preferably, each of the protrusions 2241 is disposed on two symmetrical sides of the connecting wall 2142, and each of the protrusions 2241 can be snapped into the corresponding position of the groove 2141, so that the bearing part 214 and the retaining member 224 are uniformly stressed during use and disassembly.
Optionally every the arch 2241 has certain elasticity, makes when the lens barrel main part 21 with the installation department 22 assembles in an organic whole, extracts hard when the installation department 22, every the arch 2241 deformation and break away from the recess 2141 makes the lens barrel main part 21 with the installation department 22 separation, and then can by the installation department 22 is spacing can dismantle lens 11.
It is worth mentioning that the second blocking member 2241 may be implemented as two grooves, and the first blocking member 2141 may be implemented as two protrusions, wherein each of the grooves is formed at the inner side of the retaining wall 2243, and each of the protrusions is formed at the outer wall of the connecting wall 2142, so that each of the protrusions is blocked by the corresponding groove.
Preferably, each of the protrusions has a certain deformation capability and can be stably maintained in the corresponding groove, but when the mount portion 22 is forcibly pulled out, each of the protrusions is deformed so that the mount portion 22 and the barrel body 21 are detachably separated.
Alternatively, the first blocking member 2141 is implemented as an annular groove and the second blocking member 2241 is implemented as three protrusions, wherein the annular groove is formed on the inner wall of the retaining wall 2243, and each protrusion is formed on the outer wall of the connecting wall 2142 at equal intervals. Preferably, each protrusion is disposed at an equal division position of the connecting wall 2142, and each protrusion can be snapped into the corresponding groove, so that the lens barrel body 21 and the mounting portion 22 are uniformly stressed during use and disassembly. Preferably, the annular groove includes three positioning catches, which are formed in the annular groove and correspond to positions of each corresponding protrusion, so that when the protrusion is inserted downwardly into the annular groove, it is rotated by a certain angle and can be caught by the positioning catches.
Alternatively, the positioning latch may be implemented as a ledge having a movable positioning member, and when the protrusion is screwed into the inner end of the positioning latch and is restricted by the positioning latch, the protrusion is locked by the annular groove, so that the mount portion 22 and the barrel main body 21 are lockably detached.
Optionally, the second locking member 2241 is implemented differently to be a new embodiment, wherein the second locking member 2241 is implemented as two locking through holes, and each first locking member 2141 is implemented as two protrusions. The screens through-hole form in keep wall 2243 and intercommunication accommodation space 221 and outside air, and every the arch is formed at connect wall 2142's outer wall for the withhold installation department 22 accessible every the arch is located the correspondence by the card the screens through-hole and connect spacingly installation department 22 with lens barrel main part 21.
Each protrusion can be buckled with the corresponding clamping through hole in a limiting mode, further, the protrusion has certain deformation capacity, and the lens barrel main body 21 and the mounting portion 22 can be separated from each other by pressing the protrusion limited in the clamping through hole.
It should be understood and well known to those skilled in the art that the number of the first blocking member 2141 and the second blocking member 2241 is not limited in the present invention, and the number of the first blocking member 2141 and the second blocking member 2241 may not correspond.
The present invention further provides another method of assembly, as illustrated in figures 7 and 8 of the accompanying drawings, wherein the method of assembly comprises the steps of: (n) assembling the lens barrel body 21 and the lens group 12 integrally; and
(o) covering the mount 22 to the barrel body 21 in a snap-in manner, and holding the detachable lens 11 to the light inlet 212 of the barrel body 21.
Preferably, the step (n) of the assembly method further comprises the steps of:
(m) assembling the mounting portion 22 and the detachable lens 11 as one body. Optionally, the removable lens 11 is enclosed by the mounting portion 22 and the removable lens 11.
Optionally, the detachable lens 11 is detachably performed, preferably, the assembling method further comprises the following steps between the step (n) and the step (o):
(p) the seal 30 is provided between the mount portion 22 and the barrel main body 21 to prevent dust from entering an optical path between the detachable lens 11 and the lens group 12.
Optionally, the step (o) of the assembling method further comprises the steps of:
(o.1) covering the mount part 22 on the barrel body 21 in a manner of being pulled down; and
(o.2) engaging the mount section 22 and the barrel body 21 with each other in a relatively rotatable manner.
Referring to fig. 9 of the drawings, the present invention shows a fourth preferred embodiment of the detachable lens 100 and the assembling method thereof, wherein the assembling method of the detachable lens 100 is different to a new embodiment, wherein the sealing member 30 is limitedly disposed on the holding member 224.
Referring to fig. 9 to 10B, the seal 30, the detachable lens 11, and the mounting portion 22 of the detachable lens 100 are integrally assembled.
Furthermore, the pressing member 40, the lens group 12 and the lens barrel unit 21 are assembled into a whole, and then the two are combined, so that the assembly production efficiency is improved.
Optionally, the pressing member 40, the sealing member 30 and the lens barrel unit 21 are assembled into a whole, and then detachably assembled with the mounting portion 22, and then the lens group 12 is respectively placed into the light outlet 213 of the lens barrel unit 21 in the assembling space 211 of the lens barrel unit 21, and the detachable lens 11 is placed into the accommodating space 221 of the mounting portion 22 through the window of the mounting portion 22, so as to realize the assembly of the lens unit 10, and meanwhile, such assembling manner also reduces the collision of the lens unit 10 in the complex assembling process, and improves the safety of the lens unit 10.
Preferably, the sealing member 30 is integrally adhered to the opening of the holding member 224 and the detachable lens 11 by the glue 200, so that the opening between the holding member 224 and the detachable lens 11 is blocked by the sealing member 30 to prevent the entry of impurities such as dust, and further, the sealing member 30 always blocks the opening between the detachable lens 11 and the lens group 12 during the process of mounting the detachable lens 11 on the lens group 12, which effectively ensures the cleanness of the optical path between the detachable lens 11 and the lens group 12 during the assembly process, unlike the first preferred embodiment, the sealing member 30 is not limited by the holding member 214, but is connected to the detachable lens 11 in a positioning manner.
Referring to fig. 10A, the mounting portion 22 is fixed, and the detachable lens 11 is placed into the accommodating space 221 through the mounting opening 223 and held in the window 222. Preferably, the detachable lens 11 and the mounting portion 22 are fixed by the glue 200.
The sealing member 30 is fixedly attached to the open lower ends of the removable lens 11 and the mounting portion 22 by glue. In other words, the seal 30, the detachable lens 11 and the mounting portion 22 are assembled integrally.
Optionally, the mounting portion 22 is fixed, and the detachable lens 11 can be placed into the accommodating space 221 through the window 222 and be limited by the detachable lens 11.
Optionally, the mounting portion 22 is mounted on the barrel body 21, and then the detachable lens 11 is placed into the accommodating space 221 through a window of the mounting portion 22, so that the detachable lens 11 is limited. Alternatively, the lens barrel main body 22 and the lens group 12 may be assembled into a whole, or the lens barrel main body 21 may be inserted into the assembly space 221 of the lens barrel main body 21 from the light outlet 213 of the lens barrel main body 21 after the assembly of the mount 22 and the lens barrel main body 21 is completed. Referring to fig. 10B, the assembled sealing member 30, the detachable lens 11 and the mounting portion 22 are then covered downward on the barrel main body 21.
Further, the positioning through hole 2241 of each lens barrel body 21 and the corresponding positioning hole 2141 of the lens barrel body 21 are aligned and locked by a screw.
The method of assembling as opposed to the first preferred embodiment, wherein said step (a) is modified by: (A) the seal 30, the retaining member 224 and the removable lens 11 are assembled as one piece.
Referring to an optical imaging apparatus shown in fig. 11A, the present invention shows an optical imaging apparatus, wherein the optical imaging apparatus can be implemented as an imaging apparatus. The imaging device comprises the detachable lens 100 and an imaging main body 60, wherein reflected light beams are reflected by an external object and transmitted through the detachable lens 100 to the imaging main body 60, the reflected light beams are received by the imaging main body 60 and converted into electric signals, and the received electric signals are processed to obtain information such as height and depth of the surface of the object, so as to generate a picture.
Preferably, the imaging subject 60 includes a photosensitive chip 61, and the photosensitive chip 61 can be implemented as a CCD chip or a CMOS chip. In addition, the imaging body 60 may further include other necessary components such as a circuit board.
Preferably, when the detachable lens 100 is disposed on a movable object such as an automobile to detect an external environment, the detachable lens 100 is exposed to the outside, and a small stone is rolled by the automobile running at a high speed on a water road, so that the detachable lens 100 is located in a dangerous environment, and when the detachable lens 100 is hit by the small stone and damaged, the optical performance of the detachable lens 100 can be ensured by replacing the outermost detachable lens 11, thereby reducing the maintenance cost and the use cost of the detachable lens 100.
Alternatively, the detachable lens 100 may be applied to a projection apparatus, so that the image light in the projection apparatus is transmitted through the detachable lens 100 to clearly zoom in the image carried by the image light so that the light beam is projected on the image plane and clearly received by the user.
Referring to FIG. 11B, the present invention illustrates an optical imaging device, wherein the optical imaging device can be implemented as a projection device. The projection device includes a projection part 70, a DMD chip 80 and the detachable lens 100, wherein the projection part 70 projects the collimated and homogenized light beam, the light beam provided by the projection part 70 is reflected and imaged by the DMD chip 80, and the light beam reflected and imaged by the DMD chip 80 is transmitted by the detachable lens 100 to be projected to the outside and projected to a projection surface.
It should be noted that the projection Device employs a digital light processing technology to digitally process the predetermined image signal and then project the light, wherein the DMD Chip 80 is a digital micro mirror Device Chip (digital micro mirror Device Chip).
Preferably, the projecting part 70 includes a projecting element 71 and an optical lens set 72, wherein the projecting element 71 projects the light beam, and the light beam projected by the projecting element 71 is collimated and homogenized by the optical lens set 72 and projects the light beam to the DMD chip 80.
It will be understood and appreciated by those skilled in the art that the optical lens set 72 includes at least one or more of a collimating lens, a filter, a compensating lens, a fly eye, a relay lens, a mirror, and a triple prism, wherein embodiments of the optical lens set 72 are not limited in any way in the present disclosure.
It is worth mentioning that the projection effect requirement of the projection device is very high, the cost of the optical lens is high, and the detachable lens 100 can be detached, so that the cost of integrally replacing the lens when the outermost lens is damaged due to external factors is prevented, and the maintenance cost and the use cost of the projection device are reduced.
It will be appreciated by persons skilled in the art that the embodiments of the invention described above and shown in the drawings are given by way of example only and are not limiting of the invention. The objects of the invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the examples, and any variations or modifications of the embodiments of the present invention may be made without departing from the principles.

Claims (28)

1. A removable lens, comprising:
a lens unit, wherein the lens unit comprises a detachable lens and a lens group; and
a lens barrel unit, wherein the lens barrel unit includes a barrel body, wherein the lens group is mounted inside the barrel body, wherein the detachable lens is detachably retained in an optical path of the lens group.
2. The detachable lens according to claim 1, wherein the lens barrel unit includes a mount portion, wherein the detachable lens is detachably held by the mount portion to an optical path of the lens group.
3. The detachable lens according to claim 2, wherein the mount portion and the barrel body are screw-coupled to each other.
4. The detachable lens according to claim 2, wherein the mount portion and the barrel body are screw-coupled to each other.
5. The detachable lens according to claim 2, wherein the mount portion and the barrel body are connected to each other in a locked manner.
6. The detachable lens according to any one of claims 1 to 5, further comprising a seal member, wherein the seal member is provided between the mount portion and the lens barrel main body.
7. The detachable lens according to claim 6, wherein the sealing member is captively received by the barrel body.
8. A removable lens according to claim 6, wherein the seal is fixed to the mount by glue.
9. The detachable lens according to claims 6 to 8, wherein the detachable lens, the seal, and the mount portion are assembled integrally.
10. The detachable lens according to any one of claims 1 to 9, wherein the detachable lens further comprises at least one pressing member, wherein the pressing member is connected to the lens barrel body in a positioning manner and limits the lens group.
11. The detachable lens according to claim 10, wherein the pressing member is screw-coupled to the lens barrel main body in a screwing manner.
12. The detachable lens according to claim 10, wherein the pressing member is fixed to the lens barrel main body by glue.
13. A detachable lens according to any one of claims 1 to 12, wherein said detachable lens is fixed to said mounting portion by glue.
14. An optical imaging apparatus, comprising:
an imaging subject; and
the detachable lens according to any one of claims 1 to 13, wherein the detachable lens is held in a photosensitive path of the imaging subject.
15. An assembly method, comprising the steps of:
a mounting part is detachably covered on a lens cone main body, and a detachable lens is detachably limited on a light inlet of the lens cone main body.
16. The assembly method of claim 15, wherein the assembly method further comprises the steps of:
the mount portion is covered with the lens barrel main body in a downward screwing manner.
17. The assembly method of claim 15, wherein the assembly method further comprises the steps of:
the mount portion is covered with the lens barrel main body in a snap-fit manner.
18. The assembly method of claim 15, wherein the assembly method further comprises the steps of:
the mounting part is covered on the lens cone main body in a buckling mode, and then the mounting part is locked to be covered on the lens cone main body through mutual rotation at a certain angle.
19. The assembly method of claim 15 wherein the assembly method further comprises the steps of:
and covering the mounting part on the lens cone main body and connecting the mounting part through a screw so as to limit the detachable lens on the light inlet of the lens cone main body.
20. The assembly method according to any one of claims 15 to 19, wherein the assembly method further comprises the steps of:
assembling the detachable lens and the mounting part into a whole; and
and covering the mounting part on the lens barrel main body.
21. The assembly method according to any one of claims 15 to 19, wherein the assembly method further comprises the steps of:
holding the detachable lens at the light inlet of the lens barrel main body; and
and the mounting part is detachably mounted on the lens cone main body and limits the detachable lens.
22. The assembly method according to any one of claims 15 to 21, wherein the assembly method further comprises the steps of:
assembling the lens barrel main body and the lens group into a whole; and
the mount portion is detachably mounted to the lens barrel body.
23. The assembly method according to claims 15 to 22, wherein the assembly method further comprises the steps of:
placing a sealing element in a sealing groove of the lens cone main body and keeping the sealing element at the light inlet of the lens cone main body; and
the mounting part and the lens barrel body are assembled into a whole.
24. The assembly method according to claims 15 to 22, wherein the assembly method further comprises the steps of:
and fixing the sealing element glue on the mounting part and keeping the sealing element glue at the lower end of the mounting part.
25. The assembly method according to claims 15 to 24, wherein the assembly method further comprises the steps of:
at least one pressing piece is connected to the lens barrel main body in a positioning mode and is kept at the light inlet of the lens barrel main body; and
the mount portion is mounted to the lens barrel body and assembled integrally.
26. The assembling method according to claim 25, wherein the step of positionally connecting the pressing member to the lens barrel body and holding the pressing member to the light entrance of the lens barrel body specifically includes the steps of:
and fixing the pressing piece to the lens barrel main body by glue and keeping the pressing piece at the light inlet of the lens barrel main body.
27. The assembling method according to claim 25, wherein the step of positionally connecting the pressing member to the lens barrel body and holding the pressing member to the light entrance of the lens barrel body specifically includes the steps of:
the pressing member is screwed to the lens barrel body and held at the light entrance of the lens barrel body.
28. The assembly method according to any one of claims 15 to 27, wherein the assembly method further comprises the steps of:
and assembling the detachable lens, the sealing piece and the mounting part into a whole through glue.
CN201810958786.6A 2018-08-22 2018-08-22 Detachable lens, assembling method thereof and optical imaging device Pending CN110858020A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810958786.6A CN110858020A (en) 2018-08-22 2018-08-22 Detachable lens, assembling method thereof and optical imaging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810958786.6A CN110858020A (en) 2018-08-22 2018-08-22 Detachable lens, assembling method thereof and optical imaging device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112600957A (en) * 2020-12-09 2021-04-02 Oppo广东移动通信有限公司 Electronic device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103955045A (en) * 2014-05-22 2014-07-30 中山联合光电科技有限公司 Optical system with replaceable lens set and operation lens of replaceable lens set
CN206292448U (en) * 2016-10-25 2017-06-30 深圳迈瑞生物医疗电子股份有限公司 The neat varifocal optical system of hard mirror camera
CN206362988U (en) * 2017-01-17 2017-07-28 天津汇盟科技有限公司 A kind of high-precision camera lens
CN107511661A (en) * 2017-09-21 2017-12-26 中山市友力自动化科技有限公司 Optical lens assembling apparatus and assembling method
CN207528999U (en) * 2017-12-12 2018-06-22 上海帛视光电科技有限公司 A kind of attachment lens
CN207529000U (en) * 2017-12-12 2018-06-22 上海帛视光电科技有限公司 A kind of auxiliary lens device of mobile equipment
CN108345158A (en) * 2018-03-26 2018-07-31 张峰铜 A kind of polarizing film lens cap
CN207752209U (en) * 2018-02-02 2018-08-21 恩希通讯配件有限公司 A kind of precision camera head protecting ring

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103955045A (en) * 2014-05-22 2014-07-30 中山联合光电科技有限公司 Optical system with replaceable lens set and operation lens of replaceable lens set
CN206292448U (en) * 2016-10-25 2017-06-30 深圳迈瑞生物医疗电子股份有限公司 The neat varifocal optical system of hard mirror camera
CN206362988U (en) * 2017-01-17 2017-07-28 天津汇盟科技有限公司 A kind of high-precision camera lens
CN107511661A (en) * 2017-09-21 2017-12-26 中山市友力自动化科技有限公司 Optical lens assembling apparatus and assembling method
CN207528999U (en) * 2017-12-12 2018-06-22 上海帛视光电科技有限公司 A kind of attachment lens
CN207529000U (en) * 2017-12-12 2018-06-22 上海帛视光电科技有限公司 A kind of auxiliary lens device of mobile equipment
CN207752209U (en) * 2018-02-02 2018-08-21 恩希通讯配件有限公司 A kind of precision camera head protecting ring
CN108345158A (en) * 2018-03-26 2018-07-31 张峰铜 A kind of polarizing film lens cap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112600957A (en) * 2020-12-09 2021-04-02 Oppo广东移动通信有限公司 Electronic device

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