Wear-resistant optical lens

Abstract

The utility model discloses a wear-resistant optical lens, which comprises a lens body, one side of the lens body is provided with a fixing part, the other side of the lens body is provided with a telescopic part, one end of the telescopic part far away from the fixing part is provided with a lens body, and the outside of the fixing part is provided with a first outer protective tube. A second outer protection tube is arranged outside the telescopic part, the second outer protection tube is connected with the first outer protection tube in a matched mode, a dustproof sealing ring is arranged at the end, away from the lens body, of the second outer protection tube, and the dustproof sealing ring is connected with the first outer protection tube in a matched mode. The utility model relates to the technical field of optical lenses, and solves the problems that in the prior art, in daily use of an optical lens, due to friction between the optical lens and dust, grit or other objects, the surfaces of a lens shell and a lens are possibly scratched and abraded, so that the stability and the imaging quality of the lens are influenced, and the service life of the optical lens is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of optical lenses, in particular to a wear-resistant optical lens. Background Art

[0002] Optical lenses are essential components in machine vision systems and are widely used in both consumer and industrial markets. In the consumer market, optical lenses are mainly used in professional camera lenses, mobile phone camera module lenses, security monitoring lenses, vehicle-mounted lenses, and AR / VR device lenses; in the industrial field, optical lenses are mainly used in machine vision, such as mechanical parts measurement, plastic parts measurement, glass and pharmaceutical container measurement, and electronic component measurement. In the prior art, in the daily use of optical lenses, due to friction with dust, gravel or other objects, scratches and wear may occur on the lens housing and lens surface, thereby affecting the stability and imaging quality of the lens, especially in some harsh environments, such as construction sites, workshops or deserts, etc., the wear problem of the lens is more serious, affecting the service life of the optical lens. Summary of the invention

[0003] In view of the deficiencies in the prior art, the utility model provides a wear-resistant optical lens, which solves the problem in the prior art that, during daily use of the optical lens, friction with dust, gravel or other objects may cause scratches and wear on the lens housing and lens surface, thereby affecting the stability and imaging quality of the lens and affecting the service life of the optical lens.

[0004] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: a wear-resistant optical lens, comprising a lens body, a fixed part is provided on one side of the lens body, a telescopic part is provided on the other side of the lens body, a lens body is provided on the end of the telescopic part away from the fixed part, a first outer protective tube is provided on the outside of the fixed part, a second outer protective tube is provided on the outside of the telescopic part, the second outer protective tube is cooperatively connected with the first outer protective tube, a dustproof sealing ring is provided on the end of the second outer protective tube away from the lens body, the dustproof sealing ring is cooperatively connected with the first outer protective tube, an external thread is provided on the outer wall of the telescopic part away from the fixed part, a fixed frame is provided on the side of the telescopic part away from the fixed part, the fixed frame is threadedly connected with the telescopic part through an external thread, a protective lens is provided inside the fixed frame, and a tempered glass film is provided on the side of the protective lens away from the lens body.

[0005] Preferably, a limiting ring is provided on the side of the protective lens away from the lens body of the fixed frame, the outer wall of the protective lens is cooperated with a first sealing ring, the first sealing ring is tightly pressed against the limiting ring, the inner wall of the fixed frame is threadedly connected with a fixing ring, the fixing ring is tightly pressed against the first sealing ring, and a second sealing ring is provided on the side of the fixing ring away from the first sealing ring, the second sealing ring is tightly pressed against the telescopic part.

[0006] Preferably, the outer wall of the fixed part is sleeved with a first silicone sleeve, which is cooperatively connected to the first outer protective tube, and the outer wall of the telescopic part is sleeved with a second silicone sleeve, which is cooperatively connected to the second outer protective tube.

[0007] Preferably, a bonding layer is provided on a side of the tempered glass film close to the protective lens, an anti-scratch coating is provided on a side of the tempered glass film away from the protective lens, and an anti-fog coating is provided on a side of the anti-scratch coating away from the protective lens.

[0008] Preferably, a sealing buffer edge is provided on a side of the first silicone sleeve away from the telescopic portion, and the sealing buffer edge is cooperatively connected with the first outer protective tube.

[0009] Preferably, the outer wall of the second outer protective tube is provided with convex strips at equal intervals.

[0010] The utility model provides a wear-resistant optical lens. The utility model has the following beneficial effects: the wear-resistant optical lens, through the cooperation among the lens body, the fixing part, the telescopic part, the lens body, the first outer protective tube, the second outer protective tube, the external thread, the fixing frame, the protective lens, the tempered glass film and the dustproof sealing ring, by coating the first outer protective tube and the second outer protective tube with better wear resistance on the outside of the lens body, the first outer protective tube and the second outer protective tube completely cover the outer shell of the lens body and keep it sealed, and the lens body is covered and protected by the protective lens, and the outer part of the protective lens is covered with the tempered glass film, so as to ensure the imaging quality of the optical lens, and at the same time effectively protect the lens body from external damage, and provide effective safety protection during the use of the lens, and can isolate dust, gravel or other objects from the main body of the optical lens, reduce the probability of dust, gravel or other objects contacting the optical lens, thereby improving the wear resistance of the optical lens, and can improve the service life of the optical lens, so as to ensure the stable use of the optical lens in harsh environments.

[0011] Through the cooperation among the fixed frame, the protective lens, the limiting ring, the first sealing ring, the fixed ring and the second sealing ring, the edge of the protective lens is covered by the first sealing ring, and the fixing ring is screwed into the interior of the fixed frame so that the fixing ring presses the first sealing ring and the limiting ring together, thereby maintaining a seal between the fixed frame and the protective lens, and when the fixed frame and the lens body are fixed, the lens body and the second sealing ring are pressed together to maintain a seal between the lens body and the protective lens, thereby preventing dust or water vapor from entering the space between the lens body and the protective lens, thereby ensuring the imaging quality of the optical lens, thereby providing more stable protection for the lens body. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a schematic diagram of the structure of the protective lens, tempered glass film and anti-scratch coating in the utility model;

[0014] Figure 3 for Figure 1 A partial enlarged view of the middle A area;

[0015] Figure 4 for Figure 1 A partial enlarged view of the middle B area;

[0016] Figure 5 for Figure 1 A partial enlarged view of the middle C area.

[0017] In the figure: 1. lens body, 2. fixing part, 3. telescopic part, 4. lens body, 5. first outer protective tube, 6. second outer protective tube, 7. external thread, 8. fixing frame, 9. protective lens, 10. tempered glass film, 11. limiting ring, 12. first sealing ring, 13. fixing ring, 14. second sealing ring, 15. first silicone sleeve, 16. second silicone sleeve, 17. bonding layer, 18. anti-scratch coating, 19. anti-fog coating, 20. sealing buffer edge, 21. convex strip, 22. dustproof sealing ring. DETAILED DESCRIPTION

[0018] 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 in 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.

[0019] In the prior art, during daily use of optical lenses, friction with dust, gravel or other objects may cause scratches and wear on the lens housing and lens surface, thereby affecting the stability and imaging quality of the lens and affecting the service life of the optical lens.

[0020] In view of this, the utility model provides a wear-resistant optical lens, which cooperates among a lens body, a fixing part, a telescopic part, a lens body, a first outer protective tube, a second outer protective tube, an external thread, a fixing frame, a protective lens, a tempered glass film and a dustproof sealing ring. By covering the outside of the lens body with the first outer protective tube and the second outer protective tube having better wear resistance, the first outer protective tube and the second outer protective tube completely cover the outer shell of the lens body and keep it sealed, and the lens body is covered and protected by the protective lens, and the outside of the protective lens is covered with a tempered glass film to ensure the imaging quality of the optical lens, and at the same time can effectively protect the lens body from external damage, provide effective safety protection during the use of the lens, isolate dust, gravel or other objects from the main body of the optical lens, reduce the probability of dust, gravel or other objects contacting the optical lens, thereby improving the wear resistance of the optical lens, ensuring the stable use of the optical lens in harsh environments, and increasing the service life of the optical lens.

[0021] Through the personnel in this field, all the electrical components in this case are connected to their corresponding power supplies through wires, and appropriate controllers and encoders should be selected according to actual conditions to meet the control requirements. The specific connection and control sequence should refer to the following working principle, and the electrical connection between the electrical components is completed in the order of working in sequence. The detailed connection means are well-known technologies in this field. The following mainly introduces the working principles and processes, and no longer explains the electrical control.

[0022] Depend on Figure 1-5It can be known that a wear-resistant optical lens comprises a lens body 1, wherein the lens body 1 is the body of the optical lens, a fixing part 2 is arranged on one side of the lens body 1, the fixing part 2 is the fixing end of the optical lens, and is connected and fixed to a lens mounting body, a telescopic part 3 is arranged on the other side of the lens body 1, the telescopic part 3 is the rotation adjustment end of the optical lens, and is used to telescopically adjust the focal length of the lens, a lens body 4 is arranged at one end of the telescopic part 3 away from the fixing part 2, and the lens body 4 is the lens outside the optical lens, a first outer protective tube 5 is arranged outside the fixing part 2, a second outer protective tube 6 is arranged outside the telescopic part 3, the second outer protective tube 6 is connected with the first outer protective tube 5, and a dustproof sealing ring 22 is arranged at one end of the second outer protective tube 6 away from the lens body 4, and the dustproof sealing ring 22 The telescopic part 3 is connected with the first outer protective tube 5, and an outer wall of the side away from the fixed part 2 is provided with an external thread 7, and a fixed frame 8 is provided on the side away from the fixed part 2 of the telescopic part 3. The fixed frame 8 is threadedly connected with the telescopic part 3 through the external thread 7. A protective lens 9 is provided inside the fixed frame 8. The protective lens 9 is made of optical glass, has high light transmittance and impact resistance, ensures imaging quality, and can effectively protect the lens body 4 from external damage. A tempered glass film 10 is provided on the side away from the lens body 4. The tempered glass film 10 is made of tempered glass, and compressive stress is formed on the glass surface by chemical or physical methods. When subjected to external force, the surface stress is first offset, so that the tempered glass film 10 has the properties of impact resistance, drop resistance, wear resistance, etc.;

[0023] In the specific implementation process, it is worth pointing out that the lens body 1 is the body of the optical lens, wherein the fixed part 2 is the fixed end of the optical lens, and is connected and fixed to the lens mounting body, the telescopic part 3 is the rotation adjustment end of the optical lens, and is used to telescopically adjust the focal length of the lens, and the lens body 4 is the lens on the outside of the optical lens. Through the cooperation between the lens body 1, the fixed part 2, the telescopic part 3, the first outer protective tube 5, the second outer protective tube 6 and the dustproof sealing ring 22, the first outer protective tube 5 and the second outer protective tube 6 are made of metal, polytetrafluoroethylene or fiber composite materials with good wear resistance, and are respectively coated on the outside of the fixed part 2 and the telescopic part 3, providing effective protection for the lens body 1 to prevent the shell structure of the lens body 1 from being impacted and damaged by the outside. Injury, providing additional safety protection during the use of the lens, improving the wear resistance of the optical lens, at the same time, the second outer protective tube 6 extends away from the side of the lens body 4 to the outside of the first outer protective tube 5, and a dustproof sealing ring 22 is installed at the end. When the lens is telescopic and focusing, the second outer protective tube 6 completely covers the first outer protective tube 5 and keeps it sealed, avoiding gaps between the first outer protective tube 5 and the second outer protective tube 6, preventing dust and impurities from contacting the lens body 1, and ensuring the integrity of the protection. Through the cooperation between the telescopic part 3, the external thread 7, the fixed frame 8, the protective lens 9 and the tempered glass film 10, by screwing the fixed frame 8 into the end of the telescopic part 3, the protective lens 9 is fixed to the lens body 1 and covers the lens body 4. When subjected to friction or impact, The protective lens 9 provides effective protection for the lens body 4. The protective lens 9 is made of optical glass, has high light transmittance and impact resistance, ensures imaging quality, and can effectively protect the lens body 4 from external damage. The exterior of the protective lens 9 is covered with a tempered glass film 10. The tempered glass film 10 is made of tempered glass, and compressive stress is formed on the glass surface by chemical or physical methods. When subjected to external force, the surface stress is first offset, so that the tempered glass film 10 has the properties of impact resistance, drop resistance, and wear resistance. When the tempered glass film 10 is severely worn, it can be replaced to reduce the maintenance cost of the optical lens. Through the lens body 1, the fixing part 2, the telescopic part 3, the lens body 4, the first outer protective tube 5, the second outer protective tube 6, the external thread 7, and the fixing frame 8. The protective lens 9, the tempered glass film 10 and the dustproof sealing ring 22 cooperate with each other. By covering the outside of the lens body 1 with the first outer protective tube 5 and the second outer protective tube 6 with better wear resistance, the first outer protective tube 5 and the second outer protective tube 6 completely cover the outer shell of the lens body 1 and keep it sealed, and the lens body 4 is covered and protected by the protective lens 9, and the outside of the protective lens 9 is covered with the tempered glass film 10, so as to ensure the imaging quality of the optical lens, and at the same time effectively protect the lens body 4 from external damage, provide effective safety protection during the use of the lens, isolate dust, gravel or other objects from the main body of the optical lens, reduce the probability of dust, gravel or other objects contacting the optical lens, and improve the wear resistance of the optical lens.Ensure the stable use of optical lenses in harsh environments and increase the service life of optical lenses;

[0024] Furthermore, a limiting ring 11 is provided on the side of the fixing frame 8 located away from the lens body 4 of the protective lens 9, a first sealing ring 12 is cooperatively connected to the outer wall of the protective lens 9, the first sealing ring 12 is tightly abutted against the limiting ring 11, a fixing ring 13 is threadedly connected to the inner wall of the fixing frame 8, the fixing ring 13 is tightly abutted against the first sealing ring 12, a second sealing ring 14 is provided on the side of the fixing ring 13 away from the first sealing ring 12, the second sealing ring 14 is tightly abutted against the telescopic portion 3;

[0025] In the specific implementation process, it is worth pointing out that, through the cooperation among the fixing frame 8, the protective lens 9, the limiting ring 11, the first sealing ring 12, the fixing ring 13 and the second sealing ring 14, the edge of the protective lens 9 is covered by the first sealing ring 12, and the fixing ring 13 is screwed into the interior of the fixing frame 8, so that the fixing ring 13 presses the first sealing ring 12 and the limiting ring 11 tightly, thereby realizing stable fixation of the protective lens 9 and maintaining a seal between the fixing frame 8 and the protective lens 9. When the fixing frame 8 and the lens body 1 are fixed, the lens body 1 and the second sealing ring 14 are pressed tightly, and the lens body 4 and the protective lens 9 are kept sealed, thereby ensuring stable protection of the lens body 4, and preventing dust or water vapor from entering the space between the lens body 4 and the protective lens 9, thereby ensuring the imaging quality of the optical lens;

[0026] Furthermore, the outer wall of the fixed part 2 is sleeved with a first silicone sleeve 15, which is cooperatively connected with the first outer protective tube 5, and the outer wall of the telescopic part 3 is sleeved with a second silicone sleeve 16, which is cooperatively connected with the second outer protective tube 6;

[0027] In the specific implementation process, it is worth pointing out that the first silicone sleeve 15 is used to fix the first outer protective tube 5 to the outside of the fixed part 2 and keep the fixed part 2 and the first outer protective tube 5 sealed, and the second silicone sleeve 16 is used to fix the second outer protective tube 6 to the outside of the telescopic part 3 and keep the telescopic part 3 and the second outer protective tube 6 sealed. Through the cooperation among the fixed part 2, the telescopic part 3, the first outer protective tube 5, the second outer protective tube 6, the first silicone sleeve 15 and the second silicone sleeve 16, the first silicone sleeve 15 and the second silicone sleeve 16 have good elasticity and impact resistance, and the first outer protective tube 5 and the second outer protective tube 6 are fixed and sealed to the lens body 1 to prevent dust or impurities from directly contacting the optical lens. At the same time, when the optical lens is impacted, it can effectively alleviate the impact of external impact on the optical lens, providing an additional layer of protection for the optical lens;

[0028] Furthermore, a bonding layer 17 is provided on the side of the tempered glass film 10 close to the protective lens 9, and the bonding layer 17 is used to bond and fix the tempered glass film 10 to the protective lens 9. A scratch-resistant coating 18 is provided on the side of the tempered glass film 10 away from the protective lens 9, and the scratch-resistant coating 18 is used to improve the anti-scratch and anti-damage properties of the tempered glass film 10. An anti-fog coating 19 is provided on the side of the anti-scratch coating 18 away from the protective lens 9, and the anti-fog coating 19 is used to ensure clear imaging of the optical lens in special environments.

[0029] In the specific implementation process, it is worth pointing out that the bonding layer 17 is used to bond and fix the tempered glass film 10 to the protective lens 9, and the surface of the tempered glass film 10 is specially treated to form an anti-scratch coating 18 to enhance its anti-scratch and anti-damage properties. By applying a special nano material coating on the surface of the tempered glass film 10 to form an anti-fog coating 19, the tempered glass film 10 has anti-fog and self-cleaning properties, ensuring clear imaging of the optical lens in special environments;

[0030] Furthermore, a sealing buffer edge 20 is provided on one side of the first silicone sleeve 15 away from the telescopic portion 3. The sealing buffer edge 20 is used to isolate the first outer protective tube 5 from the lens mounting body, and the sealing buffer edge 20 is cooperatively connected with the first outer protective tube 5.

[0031] In the specific implementation process, it is worth pointing out that the sealing buffer edge 20 is integrally formed with the first silicone sleeve 15, and is used to isolate the first outer protective tube 5 from the lens mounting body, reduce the conduction of impact force when the first outer protective tube 5 is impacted, and prevent friction between the first outer protective tube 5 and the lens mounting body.

[0032] Furthermore, the outer wall of the second outer protective tube 6 is provided with convex strips 21 at equal intervals, and the convex strips 21 are used to increase the friction force of the second outer protective tube 6;

[0033] In the specific implementation process, it is worth pointing out that when the optical lens is rotated to focus, the convex strip 21 is used to increase the friction of the second outer protective tube 6 and improve the rotation convenience of the second outer protective tube 6 and the telescopic part 3.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0035] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant optical lens, comprising a lens body (1), characterized in that: A fixed portion (2) is provided on one side of the lens body (1), a telescopic portion (3) is provided on the other side of the lens body (1), a lens body (4) is provided at one end of the telescopic portion (3) away from the fixed portion (2), a first outer protective tube (5) is provided outside the fixed portion (2), a second outer protective tube (6) is provided outside the telescopic portion (3), the second outer protective tube (6) is connected to the first outer protective tube (5), and a dustproof seal is provided at one end of the second outer protective tube (6) away from the lens body (4). The first outer protective tube (5) is provided with a dustproof sealing ring (22), the dustproof sealing ring (22) is cooperatively connected with the first outer protective tube (5), the outer wall of the telescopic part (3) on the side away from the fixed part (2) is provided with an external thread (7), the telescopic part (3) on the side away from the fixed part (2) is provided with a fixing frame (8), the fixing frame (8) is threadedly connected with the telescopic part (3) through the external thread (7), a protective lens (9) is provided inside the fixing frame (8), and a tempered glass film (10) is provided on the side of the protective lens (9) away from the lens body (4).

2. The wear-resistant optical lens according to claim 1, characterized in that: The fixing frame (8) is provided with a limiting ring (11) on the side of the protective lens (9) away from the lens body (4); the outer wall of the protective lens (9) is connected with a first sealing ring (12), the first sealing ring (12) and the limiting ring (11) are tightly pressed against each other; the inner wall of the fixing frame (8) is threadedly connected with a fixing ring (13), the fixing ring (13) and the first sealing ring (12) are tightly pressed against each other; a second sealing ring (14) is provided on the side of the fixing ring (13) away from the first sealing ring (12), the second sealing ring (14) and the telescopic part (3) are tightly pressed against each other.

3. The wear-resistant optical lens according to claim 1, characterized in that: The outer wall of the fixed part (2) is sleeved with a first silicone sleeve (15), and the first silicone sleeve (15) is cooperatively connected to the first outer protective tube (5). The outer wall of the telescopic part (3) is sleeved with a second silicone sleeve (16), and the second silicone sleeve (16) is cooperatively connected to the second outer protective tube (6).

4. The wear-resistant optical lens according to claim 1, characterized in that: A bonding layer (17) is provided on the side of the tempered glass film (10) close to the protective lens (9), an anti-scratch coating (18) is provided on the side of the tempered glass film (10) away from the protective lens (9), and an anti-fog coating (19) is provided on the side of the anti-scratch coating (18) away from the protective lens (9).

5. The wear-resistant optical lens according to claim 3, characterized in that: A sealing buffer edge (20) is provided on a side of the first silicone sleeve (15) away from the telescopic portion (3), and the sealing buffer edge (20) is cooperatively connected to the first outer protective tube (5).

6. The wear-resistant optical lens according to claim 1, characterized in that: The outer wall of the second outer protective tube (6) is provided with convex strips (21) at equal intervals.

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