CN212255825U - Optical lens subassembly installation uide bushing - Google Patents
Optical lens subassembly installation uide bushing Download PDFInfo
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- CN212255825U CN212255825U CN202020740234.0U CN202020740234U CN212255825U CN 212255825 U CN212255825 U CN 212255825U CN 202020740234 U CN202020740234 U CN 202020740234U CN 212255825 U CN212255825 U CN 212255825U
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- optical lens
- round hole
- hole
- wall
- lens assembly
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Abstract
The utility model discloses an optics lens unit mount uide bushing, optics lens subassembly include barrel portion and first barrel portion, and the barrel portion axial is provided with first round hole, and the one end axial of first barrel portion is provided with second barrel portion, and second barrel portion is coaxial with first barrel portion, and second barrel portion axial inserts first round hole, and the clearance width between the outer peripheral face of second barrel portion and the inner wall of first round hole is 2-6 microns, and it includes the cover body, cover body axial is provided with the second round hole, and the clearance width between the outer peripheral face of barrel portion and the inner wall of second round hole is 50-80 microns, and the clearance width between the outer peripheral face of first barrel portion and the inner wall of second round hole is 50-80 microns. The utility model discloses an optical lens subassembly installation uide bushing plays the guide effect in the installation of optical lens subassembly, can make the easier first round hole of inserting of second cylinder portion of optical lens subassembly, improves the installation effectiveness of optical lens subassembly.
Description
Technical Field
The utility model relates to an optics lens unit mount uide bushing.
Background
The optical lens assembly is generally a relatively precise device, the mounting requirement of the optical lens assembly is high, the machining of each component part in the optical lens assembly is also precise, and the tolerance matching grade of each component part is high. For example, as shown in fig. 1 and 2, the optical lens assembly 10 includes a barrel 1 and a first cylindrical portion 3, the barrel 1 is axially provided with a first circular hole 2, one end of the first cylindrical portion 3 is axially provided with a protruding second cylindrical portion 4, the second cylindrical portion 4 is coaxial with the first cylindrical portion 3, the second cylindrical portion 4 is axially inserted into the first circular hole 2, and a gap width between an outer circumferential surface of the second cylindrical portion 4 and an inner wall of the first circular hole 2 is 2 to 6 micrometers. The tolerance fit grade between the second cylinder portion 4 and the inner wall of the first circular hole 2 is high, the clearance between the outer peripheral surface of the second cylinder portion 4 and the inner wall of the first circular hole 2 is small, so that the cylinder portion 1, the first cylinder portion 3 and the second cylinder portion 4 are difficult to install together, the second cylinder portion 4 is difficult to insert into the first circular hole 2 directly, the coincidence of the central axis of the second cylinder portion 4 and the central axis of the first circular hole 2 is difficult to ensure in operation, the second cylinder portion 4 is difficult to insert into the first circular hole 2 with a slight deviation, and the installation efficiency of the optical lens assembly is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the main technical problem who solves provides an optics lens unit mount uide bushing, and this uide bushing plays the guide effect in the installation of optics lens subassembly, can make the easier first round hole of inserting of second cylinder portion of optics lens subassembly, improves the installation effectiveness of optics lens subassembly.
In order to solve the technical problem, the utility model discloses a technical scheme be: an optical lens assembly mounting guide sleeve is provided for assisting in mounting an optical lens assembly, the optical lens assembly including a barrel portion and a first barrel portion, the cylinder body part is axially provided with a first round hole, one end of the first cylinder part is axially provided with a protruding second cylinder part, the second cylinder part is coaxial with the first cylinder part, the second cylinder part is axially inserted into the first round hole, the width of a gap between the outer peripheral surface of the second cylindrical part and the inner wall of the first round hole is 2-6 microns, the optical lens assembly mounting guide sleeve comprises a sleeve body, the sleeve body is axially provided with a second round hole, the width of the gap between the outer peripheral surface of the barrel part and the inner wall of the second round hole is 50-80 microns, the width of a gap between the outer peripheral surface of the first cylindrical portion and the inner wall of the second circular hole is 50-80 micrometers.
Preferably, the wall of the sleeve body is provided with a through hole.
Preferably, the central axis of the through hole is perpendicular to the central axis of the second circular hole.
Preferably, the through hole is a circular through hole.
Preferably, the number of the through holes is at least two, and the two through holes are uniformly distributed on the wall of the sleeve body.
The utility model has the advantages that: the optical lens assembly installation guide sleeve of the utility model plays a role in guiding and limiting during the installation of the optical lens assembly, the gap width between the outer peripheral surface of the cylinder part and the inner wall of the second round hole of the sleeve body in the optical lens assembly is 50-80 microns by arranging the guide sleeve body with precise processing, the gap width between the outer peripheral surface of the first cylinder part and the inner wall of the second round hole of the sleeve body is also 50-80 microns, the gap is larger than the gap between the outer peripheral surface of the second cylinder part and the inner wall of the first round hole, the cylinder part, the second cylinder part and the first cylinder part can be easily inserted into the second round hole of the sleeve body, meanwhile, the gap of 50-80 microns can not be too large, the limiting function is played on the positions of the cylinder part, the second cylinder part and the first cylinder part, and the large deviation can not occur on the cylinder part and the first cylinder part, the barrel part and the second cylinder part in the sleeve body and the first cylinder part are easy to find, the inner wall of the second round hole in the sleeve body plays a role in guiding when the second cylinder part is inserted into the first round hole in the barrel part, the optical lens assembly is installed in the sleeve body, the second cylinder part of the optical lens assembly can be easily inserted into the first round hole, and the installation efficiency of the optical lens assembly is improved.
Meanwhile, the wall of the sleeve body is provided with a through hole, and the through hole can prevent the optical lens assembly from generating gas resistance with the inner wall of the second round hole of the sleeve body. If not set up the through-hole, because the clearance between the outer peripheral face of the optical lens subassembly and the inner wall of the cover body second round hole is still than littleer, especially the one end of the cover body is sealed under the circumstances that the second round hole is the blind hole promptly, the air between the in-process optical lens subassembly that advances the cover body second round hole and the cover body second round hole is compressed at the optical lens subassembly stopper, produce gas resistance, hinder the optical lens subassembly to get into the cover body second round hole, be unfavorable for the optical lens subassembly stopper to advance the cover body, reduce the installation effectiveness, but set up the through-hole on the wall through the cover body, can release the gas resistance that the in-process that the optical lens subassembly stopper advances the cover body second round hole produced, reduce the downthehole atmospheric pressure of cover body second round hole, make the optical lens subassembly stopper more easily advance the cover body second.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is an exploded view of an optical lens assembly in an embodiment of an optical lens assembly mounting guide sleeve of the present invention;
fig. 2 is a schematic view of an optical lens assembly after installation in an embodiment of an optical lens assembly installation guide sleeve of the present invention;
FIG. 3 is a schematic structural view of the guiding sleeve for mounting the optical lens assembly of the present invention;
fig. 4 is a schematic view of an optical lens assembly mounting guide sleeve of the present invention in an embodiment for use with an optical lens assembly.
The parts in the drawings are numbered as follows: 1. barrel portion, 2, first round hole, 3, first barrel portion, 4, second barrel portion, 5, the cover body, 6, through-hole, 7, second round hole, 10, optical lens subassembly.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The embodiment of the utility model provides a:
referring to fig. 1 to 4, the optical lens assembly 10 includes a barrel 1 and a first column 3, the cylinder body part 1 is axially provided with a first round hole 2, one end of the first cylinder body part 3 is axially provided with a protruding second cylinder body part 4, the second cylindrical portion 4 is coaxial with the first cylindrical portion 3, the second cylindrical portion 4 is axially inserted into the first circular hole 2, the width of the gap between the outer peripheral surface of the second cylindrical part 4 and the inner wall of the first round hole 2 is 2-6 microns, the installation guide sleeve of the optical lens assembly of the utility model comprises a sleeve body 5, the sleeve body 5 is axially provided with a second round hole 7, the width of a gap between the outer peripheral surface of the barrel body part 1 and the inner wall of the second round hole 7 is 50-80 microns, the gap width between the outer peripheral surface of the first cylindrical portion 3 and the inner wall of the second circular hole 7 is 50 to 80 μm.
When assembling the optical lens assembly 10, the barrel 1 of the optical lens assembly 10 is inserted into the second circular hole 7 of the sleeve 5, because the width of the gap between the outer peripheral surface of the barrel 1 and the inner wall of the second circular hole 7 of the sleeve 5 is 80-200 μm, which is larger than the gap between the outer peripheral surface of the second barrel 4 and the inner wall of the first circular hole 2, the barrel 1 can be easily inserted into the second circular hole 7 of the sleeve, then the second barrel 4 and the first barrel 3 are inserted into the second circular hole 7 of the sleeve 5, and in this process, the second barrel 4 is aligned with the first circular hole 2, the second barrel 4 is inserted into the first circular hole 2, so that the barrel 1, the second barrel 4 and the first barrel 3 are assembled together.
The second round hole 7 of the sleeve body 5 plays a role in guiding and limiting in the installation of the optical lens assembly 10, the gap width between the outer peripheral surface of the barrel body 1 and the inner wall of the second round hole 7 of the sleeve body 5 in the optical lens assembly 10 is 50-80 microns by arranging the precisely processed guide sleeve body 5, the gap width between the outer peripheral surface of the first cylinder body 3 and the inner wall of the second round hole 7 of the sleeve body 5 is also 50-80 microns, the gap is larger than the gap between the outer peripheral surface of the second cylinder body 4 and the inner wall of the first round hole 2, the barrel body 1, the second cylinder body 4 and the first cylinder body 3 can be easily inserted into the second round hole 7 of the sleeve body 5, meanwhile, the gap of 50-80 microns cannot be too large, and the second round hole 7 of the sleeve body 5 plays a role in limiting on the positions of the barrel body 1, the second cylinder body 4 and the first cylinder body 3, make barrel 1 and first barrel 3 big deviation can not appear, barrel 1 and second barrel 4 and first barrel 3 are more easily looked for accurately in the cover body 5, the inner wall of the cover body 5 second round hole 7 of the in-process that inserts barrel 1 first round hole 2 at second barrel 4 plays the guide effect, the installation of optical lens subassembly is carried out in the cover body 5, the first round hole 2 of the easier insertion of second barrel 4 that can make optical lens subassembly 10 to improve the packaging efficiency of optical lens subassembly.
Preferably, the wall of the sleeve body 5 is provided with a through hole 6. The central axis of the through hole 6 is perpendicular to the central axis of the second round hole 7.
Preferably, the through hole 6 is a circular through hole. The number of the through holes 6 is at least two, and the two through holes 6 are uniformly distributed on the wall of the sleeve body 5.
The through hole 6 can prevent the generation of air resistance between the optical lens assembly 10 and the inner wall of the second circular hole 7 of the sleeve 5. If the through hole 6 is not provided, because the gap between the outer peripheral surface of the optical lens assembly 10 and the inner wall of the second circular hole 7 of the sleeve body 5 is still small, especially under the condition that one end of the sleeve body 5 is closed, i.e. the second circular hole 7 is a blind hole, the air between the optical lens assembly 10 and the second circular hole 7 of the sleeve body 5 is compressed in the process of plugging the optical lens assembly 10 into the second circular hole 7 of the sleeve body 5, so as to generate gas resistance, prevent the optical lens assembly 10 from entering the second circular hole 7 of the sleeve body 5, which is not beneficial for plugging the optical lens assembly 10 into the sleeve body 5, and reduce the installation efficiency, but through the through hole 6 provided on the wall of the sleeve body 5, the gas resistance generated in the process of plugging the optical lens assembly 10 into the second circular hole 7 of the sleeve body 5 can be released, the air pressure in the second circular hole 7 of the sleeve body 5 is reduced, ensuring the efficiency of the installation of the optical lens assembly 10.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all of which utilize the equivalent structure or equivalent flow transformation made by the content of the specification of the present invention, or directly or indirectly applied to other related technical fields, all included in the same way in the patent protection scope of the present invention.
Claims (5)
1. An optical lens assembly installation guide sleeve is used for assisting in installing an optical lens assembly, the optical lens assembly comprises a barrel part and a first column part, the cylinder body part is axially provided with a first round hole, one end of the first cylinder part is axially provided with a protruding second cylinder part, the second cylinder part is coaxial with the first cylinder part, the second cylinder part is axially inserted into the first round hole, the width of a gap between the outer peripheral surface of the second cylindrical part and the inner wall of the first round hole is 2-6 microns, is characterized by comprising a sleeve body, wherein the sleeve body is axially provided with a second round hole, the width of a gap between the outer peripheral surface of the cylinder body part and the inner wall of the second round hole is 50-80 microns, the width of a gap between the outer peripheral surface of the first cylindrical portion and the inner wall of the second circular hole is 50-80 micrometers.
2. The optical lens assembly mounting guide sleeve of claim 1, wherein the sleeve body has a through hole in a wall thereof.
3. The optical lens assembly mounting guide sleeve of claim 2, wherein a central axis of the through hole is perpendicular to a central axis of the second circular hole.
4. The optical lens assembly mounting guide sleeve of claim 2, wherein the through-hole is a circular through-hole.
5. The mounting guide sleeve for an optical lens assembly according to claim 2, wherein the number of the through holes is at least two, and the two through holes are uniformly distributed on the wall of the sleeve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020740234.0U CN212255825U (en) | 2020-05-08 | 2020-05-08 | Optical lens subassembly installation uide bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020740234.0U CN212255825U (en) | 2020-05-08 | 2020-05-08 | Optical lens subassembly installation uide bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212255825U true CN212255825U (en) | 2020-12-29 |
Family
ID=73998944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020740234.0U Active CN212255825U (en) | 2020-05-08 | 2020-05-08 | Optical lens subassembly installation uide bushing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212255825U (en) |
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2020
- 2020-05-08 CN CN202020740234.0U patent/CN212255825U/en active Active
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