Lens module capable of preventing lens from being broken
By setting a tool retraction slot in the contact position of the metal outer frame of the lens module and controlling the force of the lens with a pressure buffer pad, the problem of breakage during lens installation is solved, reducing costs and improving installation safety.
Patent Information
- Application Number
- CN202421697860.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-17
AI Technical Summary
During the lens installation process, the lens is prone to breaking, resulting in high labor costs and material costs.
A lens module is designed, including a metal frame and a metal press ring. By setting a retracting slot at the contact position of the metal frame and the lens, and a pressure buffer pad is provided at the front end of the metal press ring to control the amount of the force applied to the lens to avoid breakage.
Effectively prevent lens breakage, reduce the probability of lens breakage, control the upper limit of lens stress, and reduce labor and material costs.
Smart Images
Figure CN222800926U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lighting, in particular to a lens module capable of preventing a lens from being broken. Background Art
[0002] At present, with the large-scale application of optical components, optical components are becoming more and more important in the entire system of the product. The optical elements in the optical components, such as lenses, are optical elements made of transparent materials through processing and have a partially spherical surface. Their proportion is also increasing. However, a large part of the installation method of the lens is still that the lens is in direct contact with the metal. In this installation form, in the entire assembly system, when the metal is pressed and fixed, the lens is also pressed. Under the same pressure, due to the material of the lens, the lens will be more prone to edge bursting, breakage and other phenomena.
[0003] In order to solve this technical problem, the prior art generally adopts a solution of increasing the hardness of the lens. However, since the lens is naturally limited by the material, it is impossible to significantly improve the hardness. Utility Model Content
[0004] The main purpose of the utility model is to provide a lens module that can prevent lens breakage, aiming to solve the problem of lens breakage during lens installation, as well as the problems of high labor costs and material costs caused by lens breakage.
[0005] To achieve the above object, the utility model provides a lens module capable of preventing a lens from being broken, comprising: a metal outer frame, a first optical lens, a first metal pressure ring, a second optical lens, a second metal pressure ring, a third optical lens and a third metal pressure ring which are sequentially arranged in the outer frame from front to back;
[0006] A first back-off groove is provided at the contact position between the metal outer frame and the first optical lens, a second back-off groove is provided at the contact position between the rear end of the first metal pressure ring and the second optical lens, and a third back-off groove is provided at the contact position between the rear end of the second metal pressure ring and the third optical lens.
[0007] A further technical solution of the utility model is that a first groove for accommodating a first pressure buffer pad is provided at the front end of the first metal pressure ring.
[0008] A further technical solution of the utility model is that the diameter of the first pressure buffer pad is slightly larger than the gap between the first optical lens and the first metal pressure ring.
[0009] A further technical solution of the utility model is that a second groove for accommodating a second pressure buffer pad is provided at the front end of the second metal pressure ring.
[0010] A further technical solution of the utility model is that the diameter of the second pressure buffer pad is slightly larger than the gap between the second optical lens and the second metal pressure ring.
[0011] A further technical solution of the utility model is that a third groove for accommodating a third pressure buffer pad is provided at the rear end of the second metal pressure ring, and the third groove is located at the rear side of the third backing groove.
[0012] A further technical solution of the utility model is that the diameter of the third pressure buffer pad is slightly larger than the gap between the third optical lens and the second metal pressure ring.
[0013] A further technical solution of the utility model is that the material of the first pressure buffer pad, the second pressure buffer pad and the third pressure buffer pad is a soft material.
[0014] The beneficial effects of the lens module of the utility model which can prevent the lens from being broken are:
[0015] 1. The utility model can effectively prevent the possibility of lens breakage and reduce the probability of lens breakage;
[0016] 2. The utility model makes the force of the soft material on the lens in a controllable and constant state through the contact between the metal outer frame and the metal pressure ring, and between the metal pressure rings;
[0017] 3. The upper limit of the force applied by the outermost pressure ring of the utility model in the entire installation system is controlled, and the magnitude of the force applied to the lens cannot be increased indefinitely;
[0018] 4. The utility model can reduce the problem of increased labor costs and material costs caused by lens breakage. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.
[0020] Figure 1 It is a structural schematic diagram of a preferred embodiment of the lens module of the utility model that can prevent the lens from breaking when no force is applied inside;
[0021] Figure 2 It is a structural schematic diagram of a preferred embodiment of the lens module of the utility model that can prevent the lens from breaking when it is subjected to internal force;
[0022] Figure 3This is a schematic diagram of the overall structure of a preferred embodiment of the lens module of the utility model that can prevent the lens from being broken;
[0023] Figure 4 This is a schematic diagram of the overall structure of a preferred embodiment of the lens module of the utility model that can prevent the lens from being broken without a metal outer frame;
[0024] Figure 5 This is a schematic diagram of the exploded structure of a preferred embodiment of the lens module of the utility model that can prevent the lens from breaking;
[0025] Figure 6 It is a schematic diagram of the overall structure of the metal frame;
[0026] Figure 7 It is the right side view of the metal frame;
[0027] Figure 8 yes Figure 7 Sectional view in the AA direction;
[0028] Fig. 9 yes Figure 8 The enlarged schematic diagram of the middle part B;
[0029] Fig.10 is a schematic diagram of the structure of the first metal pressure ring;
[0030] Fig.11 is a schematic structural diagram of the first metal pressure ring from another angle;
[0031] Fig.12 is a right side view of the first metal pressure ring;
[0032] Fig.13 yes Fig.12 Sectional view in the AA direction;
[0033] Fig.14 yes Fig.13 The enlarged schematic diagram of the middle part B;
[0034] Fig.15 yes Fig.13 The enlarged schematic diagram of the middle C part;
[0035] Fig.16 is a schematic diagram of the structure of the second metal pressure ring;
[0036] Fig.17 is a schematic structural diagram of the second metal pressure ring from another angle;
[0037] Fig.18 is a rear view of the second metal pressure ring;
[0038] Fig.19 yes Figure 8 Sectional view in the AA direction;
[0039] Fig. 20 yes Fig.19 The enlarged schematic diagram of the middle part B;
[0040] Fig.21 yes Fig.19 The enlarged schematic diagram of the middle C part;
[0041] Fig. 22 It is a schematic diagram of the structure of the third metal pressure ring.
[0042] Description of Figure Numbers:
[0043] Metal outer frame 1; first back-off groove 101; first optical lens 2; first metal pressure ring 3; second back-off groove 301; first groove 302; second optical lens 4; second metal pressure ring 5; third back-off groove 501; second groove 502; third groove 503; third optical lens 6; third metal pressure ring 7; first pressure buffer pad 8; second pressure buffer pad 9; third pressure buffer pad 10.
[0044] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION
[0045] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0046] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.
[0047] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.
[0048] In order to solve the problem of easy breakage of the lens during lens installation in the prior art, and the high labor and material costs caused by the problem, the utility model proposes a solution. The technical solution adopted by the utility model is mainly to add a knife back groove at the contact position between the metal frame and the lens, thereby avoiding the lens breakage caused by the excessively large knife tip radius.
[0049] When installing the lens, one side makes hard contact with the metal, and the other side makes soft contact with the soft material; when assembling multiple lenses, one side of the lens first makes hard contact with the metal, and the other side then makes soft contact with the metal to be installed through the soft material, thereby avoiding lens breakage during the assembly process.
[0050] Specifically, the present invention provides a lens module that can prevent the lens from breaking. Figures 1 to 22 A preferred embodiment of the lens module of the utility model that can prevent the lens from being broken includes a metal outer frame 1, and a first optical lens 2, a first metal pressure ring 3, a second optical lens 4, a second metal pressure ring 5, a third optical lens 6 and a third metal pressure ring 7 are arranged in the outer frame from front to back.
[0051] A first back-off groove 101 is provided at the contact position between the metal outer frame 1 and the first optical lens 2, a second back-off groove 301 is provided at the contact position between the rear end of the first metal pressure ring 3 and the second optical lens 4, and a third back-off groove 501 is provided at the contact position between the rear end of the second metal pressure ring 5 and the third optical lens 6.
[0052] This embodiment sets tool back grooves at the contact position between the metal outer frame 1 and the first optical lens 2, the contact position between the rear end of the first metal pressure ring 3 and the second optical lens 4, and the contact position between the rear end of the second metal pressure ring 5 and the third optical lens 6. This can avoid the situation in which the original surface contact of the first optical lens 2, the second optical lens 4, and the third optical lens 6 when they are put down is changed to line contact due to excessive tool tip radius during processing, resulting in the lenses being broken after being compressed. After the tool back grooves are added, the breakage of the lenses due to such reasons can be completely avoided, thereby solving the problem of high labor cost and material cost caused by lens breakage.
[0053] Furthermore, in this embodiment, a first groove 302 for accommodating the first pressure buffer pad 8 is formed at the front end of the first metal pressure ring 3 .
[0054] The diameter of the first pressure buffer pad 8 is slightly larger than the gap between the first optical lens 2 and the first metal pressure ring 3 .
[0055] In this embodiment, the first pressure buffer pad 8 can be made of soft material, such as rubber material.
[0056] The first pressure buffer pad 8 is located at a position where the metal outer frame 1 , the first optical lens 2 and the second metal pressure ring 5 are in contact with each other.
[0057] The size of the first pressure buffer pad 8 is slightly larger than the gap between the first metal pressure ring 3 and the first optical lens 2. When the first metal pressure ring 3 is in contact with the metal outer frame 1, the first pressure buffer pad 8 is compressed and deformed, and a clamping force is generated on the first optical lens 2 and the metal outer frame 1, so as to fix the first optical lens 2, and the clamping force is controllable. The upper limit of the force is controlled by the contact between the first metal pressure ring 3 and the metal outer frame 1, thereby reducing the probability of the first optical lens 2 being broken.
[0058] Furthermore, in this embodiment, a second groove 502 for accommodating the second pressure buffer pad 9 is formed at the front end of the second metal pressure ring 5 .
[0059] The diameter of the second pressure buffer pad 9 is slightly larger than the gap between the second optical lens 4 and the second metal pressure ring 5 .
[0060] In this embodiment, the second pressure buffer pad 9 can be made of soft material, such as rubber material.
[0061] The second pressure buffer pad 9 is located at a position where the first metal pressure ring 3 , the second optical lens 4 and the second metal pressure ring 5 are in contact with each other.
[0062] The size of the second pressure buffer pad 9 is slightly larger than the gap between the second metal pressure ring 5 and the second optical lens 4. When the second metal pressure ring 5 and the first metal pressure ring 3 are in contact with force, the second pressure buffer pad 9 is compressed and deformed, and a clamping force is generated on the second optical lens 4 and the first metal pressure ring 3, so as to fix the second optical lens 4, and the clamping force is controllable. The upper limit of the force is controlled by the contact between the second metal pressure ring 5 and the first metal pressure ring 3, thereby reducing the probability of the second optical lens 4 being broken.
[0063] Furthermore, in this embodiment, a third groove 503 for accommodating a third pressure buffer pad is formed at the rear end of the second metal pressure ring 5 , and the third groove 503 is located at the rear side of the third backing groove 501 .
[0064] The diameter of the third pressure buffer pad is slightly larger than the gap between the third optical lens 6 and the second metal pressure ring 5 .
[0065] In this embodiment, the third pressure buffer pad may be made of soft material, such as rubber material.
[0066] The third pressure buffer pad is located at a position where the second metal pressure ring 5 , the third optical lens 6 and the third metal pressure ring 7 are in contact.
[0067] The size of the third pressure buffer pad is slightly larger than the gap between the second metal pressure ring 5 and the third optical lens 6. When the third metal pressure ring 7 is in contact with the third optical lens 6, the third pressure buffer pad is deformed under pressure. The third metal pressure ring 7 generates a pressing force on the third optical lens 6 to fix the third optical lens 6. The upper limit of the force is controlled by the contact between the third metal pressure ring 7 and the second metal pressure ring 5, thereby reducing the probability of the third lens breaking.
[0068] The beneficial effects of the lens module of the utility model which can prevent the lens from being broken are:
[0069] 1. The utility model can effectively prevent the possibility of lens breakage and reduce the probability of lens breakage;
[0070] 2. The utility model makes the force of the soft material on the lens in a controllable and constant state through the contact between the metal outer frame and the metal pressure ring, and between the metal pressure rings;
[0071] 3. The upper limit of the force applied by the outermost pressure ring of the utility model in the entire installation system is controlled, and the magnitude of the force applied to the lens cannot be increased indefinitely;
[0072] 4. The utility model can reduce the problem of increased labor costs and material costs caused by lens breakage.
[0073] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the concept of the utility model, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.
Claims
1. A lens module capable of preventing lens breakage, characterized in that: include: A metal outer frame, and a first optical lens, a first metal pressure ring, a second optical lens, a second metal pressure ring, a third optical lens and a third metal pressure ring arranged in the outer frame in sequence from front to back; A first back-off groove is provided at the contact position between the metal outer frame and the first optical lens, a second back-off groove is provided at the contact position between the rear end of the first metal pressure ring and the second optical lens, and a third back-off groove is provided at the contact position between the rear end of the second metal pressure ring and the third optical lens.
2. The lens module capable of preventing lens breakage according to claim 1, characterized in that: The front end of the first metal pressure ring is provided with a first groove for accommodating the first pressure buffer pad.
3. The lens module capable of preventing lens breakage according to claim 2, characterized in that: A diameter of the first pressure buffer pad is larger than a gap between the first optical lens and the first metal pressure ring.
4. The lens module capable of preventing lens breakage according to claim 3, characterized in that: A second groove for accommodating a second pressure buffer pad is formed at the front end of the second metal pressure ring.
5. The lens module capable of preventing lens breakage according to claim 4, characterized in that: A diameter of the second pressure buffer pad is larger than a gap between the second optical lens and the second metal pressure ring.
6. The lens module capable of preventing lens breakage according to claim 5, characterized in that: A third groove for accommodating a third pressure buffer pad is formed at the rear end of the second metal pressure ring, and the third groove is located at the rear side of the third backing groove.
7. The lens module capable of preventing lens breakage according to claim 6, characterized in that: The diameter of the third pressure buffer pad is larger than the gap between the third optical lens and the second metal pressure ring.
8. The lens module capable of preventing lens breakage according to claim 7, characterized in that: The first pressure buffer pad, the second pressure buffer pad and the third pressure buffer pad are made of soft material.