Optical lens structure convenient to assemble
By designing a combination of sleeve, sealant sleeve and head rubber pad in the optical lens structure, the problem of dust entering caused by disassembly of the lens barrel when replacing the sealant sleeve in the prior art is solved, and the convenience of replacing the sealant sleeve and the long-term stability of the lens are achieved.
Patent Information
- Application Number
- CN202420749458.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-04-12
AI Technical Summary
Existing optical lenses need to be removed when replacing the sealant sleeve, causing dust to enter the lens barrel and affecting the performance of the lens.
An optical lens structure including a sleeve, a sealant sleeve and a head rubber pad is designed. The sleeve is removed at one end of the fixing cylinder by the sleeve, the sealant sleeve is replaced, and the sleeve is sleeved back to the fixing cylinder after replacement, and the sealant sleeve is tightly pressed against the clamp through the head rubber pad to avoid dismantling the lens barrel.
It realizes the replacement of the sealant sleeve without removing the lens barrel, avoiding dust entering the lens barrel and extending the service life of the lens.
Smart Images
Figure CN222636356U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical lens structures, in particular to an optical lens structure which is easy to assemble. Background Art
[0002] With the rapid development of high-tech, security optical lenses have been widely used, and IR filters are widely used in the day and night switching of optical lenses. In order to adapt to market demand, more and more lenses need to use large chips with high resolution, and optical lenses also need to be used in different fields and environments, resulting in the back-end IR filters becoming larger and larger accordingly. The current optical lenses are all connected to the pure lens part composed of all lenses by the ICR switching structure. In the current situation where the IR sheets are getting bigger and bigger and the number of switches is increasing, the longer and larger ICR switching structure will gradually become useless and unable to meet the increasingly stringent requirements of current customers.
[0003] When the prior art is used, when replacing the lens, the lens barrel is rotated to move the buckle on the top of the mounting barrel out, the lens barrel is written down, a suitable lens is selected for replacement, and the selected lens is inserted into the mounting barrel, and the buckle is locked inside the mounting barrel.
[0004] However, in actual use, a sealing sleeve needs to be installed at one end of the lens barrel to prevent dust from entering the lens barrel through the gap. However, after long-term use, it needs to be replaced frequently, and the lens needs to be disassembled for replacement, which can easily cause dust to enter the lens barrel during replacement, thereby affecting the lens. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides an optical lens structure that is easy to assemble, which solves the problem that, in actual use, a sealing rubber sleeve needs to be installed at one end of the lens barrel to prevent dust from entering the lens barrel through the gap. However, after long-term use, the lens needs to be replaced frequently, and the lens needs to be disassembled for replacement, which can easily cause dust to enter the lens barrel during replacement, thereby affecting the lens.
[0006] To achieve the above-mentioned purpose, the utility model is implemented through the following technical solutions: an optical lens structure that is easy to assemble, including a lens, a mounting tube is installed on the outer wall of the lens, a fixed tube is installed on the outer wall of the mounting tube, a sealing structure is installed on one end of the fixed tube, the sealing structure includes a sleeve, a sealing rubber sleeve, a top rubber pad and a card block, the outer wall of the card block is fixedly connected to the inner wall of the fixed tube, the bottom of the card block is tightly pressed against the sealing rubber sleeve, the outer wall of the sealing rubber sleeve is tightly pressed against the inner wall of the fixed tube, the inner wall of the sealing rubber sleeve is sleeved on the outer wall of the mounting tube, the bottom of the sealing rubber sleeve is tightly pressed against the top rubber pad, the bottom of the top rubber pad is fixedly connected to the sleeve, and the inner wall of the sleeve is threadedly connected to the outer wall of the fixed tube.
[0007] Preferably, one end of the installation tube extending into the interior of the fixing tube is pressed against a waterproof rubber pad, the top of the waterproof rubber pad is fixedly connected to a top plate, and the outer wall of the top plate is fixedly connected to the inner wall of the fixing tube.
[0008] Preferably, a mounting plate is fixedly connected to one side of the mounting tube extending into the interior of the fixed tube, a slot is provided at the bottom of the mounting plate, a protruding block is inserted into the inner wall of the slot, and a bent plate is fixedly connected to the bottom of the protruding block.
[0009] Preferably, the inner wall of the fixed cylinder is fixedly connected to the fixed plate, the top of the fixed plate is pressed against a spring, the top of the spring is pressed against the bottom of the bent plate, the outer wall of the bent plate is inserted into the inner wall of the fixed plate, and the bent plate extends to one end of the outer wall of the fixed plate and is fixedly connected to a limiting block.
[0010] Preferably, a slideway is provided on the inner wall of the fixed cylinder, a slider is slidably engaged with the inner wall of the slideway, and an outer wall of the slider is fixedly connected to the outer wall of the bent plate.
[0011] Beneficial Effects
[0012] The utility model provides an optical lens structure that is easy to assemble. It has the following beneficial effects: the optical lens structure that is easy to assemble is provided with the following beneficial effects: the sleeve, the sealing rubber sleeve and the top rubber pad are matched, and when the sealing rubber sleeve is replaced, the sleeve is removed from one end of the fixed tube, and the sealing rubber sleeve is replaced, and after the replacement, the sleeve is sleeved on one end of the fixed tube and rotated, so that the top rubber pad presses the sealing rubber sleeve against the block, thereby avoiding the need to disassemble the lens tube, and solving the problem in the prior art that the lens tube needs to be disassembled before the sealing rubber sleeve is replaced, thereby causing dust to enter and affect the lens.
[0013] Through the cooperation of the spring, the bent plate and the protruding block, when replacing the lens, the mounting tube is rotated to move the protruding block in the card slot at the bottom of the mounting plate at one end of the mounting tube, and the mounting tube is pulled out for replacement. After the replacement is completed, the mounting tube is inserted into the fixed tube, and the fixed tube is rotated so that the protruding block is inserted into the card slot under the compression of the spring, thereby fixing the lens and speeding up the replacement speed. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the appearance of the utility model;
[0016] Figure 3 for Figure 1 A schematic diagram of the structure of the mounting cylinder, the fixing cylinder and the fixing plate;
[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the middle bending plate, fixed cylinder and spring.
[0018] In the figure: 1, lens, 2, mounting tube, 3, fixing tube, 4, top plate, 5, fixing plate, 6, bending plate, 7, sleeve, 8, spring, 9, sealing rubber sleeve, 10, top rubber pad, 11, clamping block, 12, limiting block, 13, slideway, 14, slider, 15, waterproof rubber pad, 16, protruding block, 17, slot, 18, mounting plate. DETAILED DESCRIPTION
[0019] 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.
[0020] However, in actual use, a sealing sleeve needs to be installed at one end of the lens barrel to prevent dust from entering the lens barrel through the gap. However, after long-term use, it needs to be replaced frequently, and the lens needs to be disassembled for replacement, which can easily cause dust to enter the lens barrel during replacement, thereby affecting the lens.
[0021] In view of this, the utility model provides an optical lens structure that is easy to assemble, which solves the problem that in actual use, a sealing sleeve needs to be installed at one end of the lens barrel to prevent dust from entering the lens barrel through the gap. However, after long-term use, it needs to be replaced frequently, and the lens needs to be disassembled for replacement, which can easily cause dust to enter the lens barrel during replacement, thereby affecting the lens.
[0022] By those skilled in the art, the components in this case are connected in sequence. The specific connection and operation sequence should refer to the following working principle. The detailed connection means are well-known technologies in the art. The following mainly introduces the working principle and process.
[0023] Embodiment 1: By Figure 1-4 It can be known that an optical lens structure that is easy to assemble includes a lens 1, a mounting tube 2 is installed on the outer wall of the lens 1, a fixed tube 3 is installed on the outer wall of the mounting tube 2, a sealing structure is installed on one end of the fixed tube 3, the sealing structure includes a sleeve 7, a sealing rubber sleeve 9, a top rubber pad 10 and a clamping block 11, the outer wall of the clamping block 11 is fixedly connected to the inner wall of the fixed tube 3, the bottom of the clamping block 11 is tightly pressed against the sealing rubber sleeve 9, the outer wall of the sealing rubber sleeve 9 is tightly pressed against the inner wall of the fixed tube 3, the sealing rubber sleeve 9 is used to prevent moisture and dust from entering, and the material of the sealing rubber sleeve 9 is rubber material, the inner wall of the sealing rubber sleeve 9 is sleeved on the outer wall of the mounting tube 2, the bottom of the sealing rubber sleeve 9 is tightly pressed against the top rubber pad 10, the bottom of the top rubber pad 10 is fixedly connected to the sleeve 7, and the inner wall of the sleeve 7 is threadedly connected to the outer wall of the fixed tube 3;
[0024] In the specific implementation process, it is worth pointing out that, under the cooperation of the sleeve 7, the sealing rubber sleeve 9 and the top rubber pad 10, when replacing the sealing rubber sleeve 9, the sleeve 7 is removed from one end of the fixed cylinder 3, and the sealing rubber sleeve 9 is replaced. After the replacement, the sleeve 7 is sleeved on one end of the fixed cylinder 3 and rotated, so that the top rubber pad 10 presses the sealing rubber sleeve 9 and the clamping block 11 tightly, thereby avoiding the disassembly of the lens for replacement, resulting in dust entering;
[0025] It is worth noting that the housing 3 described in this embodiment is only a part of the traditional lens structure housing. The housing 3 should also include a zoom ring, a focus ring, a distance scale, etc., so as to achieve the purpose of focusing by coordinating multiple lenses. The present application document does not improve the rest of the housing 3 (including but not limited to the zoom ring, the focus ring, the distance scale, etc.), so it is not described in detail. The specific model of the housing 3 is not limited, and it only needs to meet the use requirements;
[0026] Furthermore, one end of the installation tube 2 extending into the interior of the fixing tube 3 is pressed against a waterproof rubber pad 15, which is used to block moisture. The waterproof rubber pad 15 is made of silicone. The top of the waterproof rubber pad 15 is fixedly connected to a top plate 4, and the outer wall of the top plate 4 is fixedly connected to the inner wall of the fixing tube 3.
[0027] In the specific implementation process, it is worth pointing out that, under the cooperation of the installation tube 2, the waterproof rubber pad 15 and the top plate 4, the waterproof rubber pad 15 is installed between the installation tube 2 and the top plate 4 to prevent moisture from entering;
[0028] Furthermore, a mounting plate 18 is fixedly connected to one side of the mounting tube 2 extending into the interior of the fixing tube 3, a card slot 17 is provided at the bottom of the mounting plate 18, a protruding block 16 is inserted into the inner wall of the card slot 17, and a bent plate 6 is fixedly connected to the bottom of the protruding block 16;
[0029] In the specific implementation process, it is worth pointing out that, with the cooperation of the mounting plate 18, the protruding block 16 and the bent plate 6, the mounting cylinder 2 is inserted into the interior of the fixed cylinder 3, and the mounting cylinder 2 is rotated so that the protruding block 16 is inserted into the card slot 17 at the bottom of the mounting plate 18, and the mounting cylinder 2 is fixed inside the fixed cylinder 3;
[0030] Specifically, when using the optical lens structure that is easy to assemble, when replacing the lens, the mounting tube 2 is inserted into the interior of the fixed tube 3, and the mounting tube 2 is rotated so that the protruding block 16 is inserted into the card slot 17 at the bottom of the mounting plate 18, and the mounting tube 2 is fixed inside the fixed tube 3. When disassembling, the mounting tube 2 is rotated in the opposite direction to move the protruding block 16 out from the bottom of the mounting plate 18, and the lens is removed. When replacing the sealing rubber sleeve 9, the sleeve 7 is removed and the sealing rubber sleeve 9 is replaced. After replacement, the sleeve 7 is installed on the fixed tube 3 so that the top rubber pad 10 presses the sealing rubber sleeve 9 against the card block 11, making it more convenient to replace.
[0031] Embodiment 2: By Figure 1-4 It can be seen that the inner wall of the fixed cylinder 3 is fixedly connected to the fixed plate 5, the top of the fixed plate 5 is pressed against a spring 8, the top of the spring 8 is pressed against the bottom of the bent plate 6, the outer wall of the bent plate 6 is plugged into the inner wall of the fixed plate 5, and one end of the bent plate 6 extending to the outer wall of the fixed plate 5 is fixedly connected to the limiting block 12;
[0032] In the specific implementation process, it is worth pointing out that, under the cooperation of the bent plate 6, the spring 8 and the stopper 12, under the extrusion of the spring 8, the bent plate 6 drives the protruding block 16 to be inserted into the bottom of the mounting plate 18, and the mounting tube 2 is fixed, and when the bent plate 6 moves, it will move inside the fixed plate 5, and after the movement is released, the bent plate 6 will be prevented from moving under the action of the stopper 12;
[0033] Furthermore, a slideway 13 is provided on the inner wall of the fixed cylinder 3, a slider 14 is slidably engaged with the inner wall of the slideway 13, and an outer wall of the slider 14 is fixedly connected to the outer wall of the bent plate 6;
[0034] In the specific implementation process, it is worth pointing out that, with the cooperation of the slideway 13, the slider 14 and the bent plate 6, when the bent plate 6 moves, the slider 14 will be driven to move inside the slideway 13, so that the bent plate 6 is more stable when moving;
[0035] Specifically, based on the above embodiment, when replacing the lens, the mounting tube 2 is inserted into the interior of the fixed tube 3, and the mounting tube 2 is rotated. The pressure of the spring 8 is used to insert the protruding block 16 into the bottom of the mounting plate 18 to fix the mounting tube 2, making it more convenient to install.
[0036] 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".
[0037] 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.
[0038] 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. An optical lens structure that is easy to assemble, comprising a lens (1), characterized in that: The outer wall of the lens (1) is installed with a mounting tube (2), the outer wall of the mounting tube (2) is installed with a fixing tube (3), and one end of the fixing tube (3) is installed with a sealing structure; The sealing structure comprises a sleeve (7), a sealing rubber sleeve (9), a top rubber pad (10) and a clamping block (11); The outer wall of the clamping block (11) is fixedly connected to the inner wall of the fixed tube (3); the bottom of the clamping block (11) is tightly pressed against a sealing rubber sleeve (9); the outer wall of the sealing rubber sleeve (9) is tightly pressed against the inner wall of the fixed tube (3); the inner wall of the sealing rubber sleeve (9) is sleeved on the outer wall of the mounting tube (2); the bottom of the sealing rubber sleeve (9) is tightly pressed against a top rubber pad (10); the bottom of the top rubber pad (10) is fixedly connected to a sleeve (7); the inner wall of the sleeve (7) is threadedly connected to the outer wall of the fixed tube (3).
2. The optical lens structure that is easy to assemble according to claim 1, characterized in that: One end of the installation tube (2) extending into the interior of the fixing tube (3) is pressed against a waterproof rubber pad (15), the top of the waterproof rubber pad (15) is fixedly connected to a top plate (4), and the outer wall of the top plate (4) is fixedly connected to the inner wall of the fixing tube (3).
3. The optical lens structure that is easy to assemble according to claim 1, characterized in that: A mounting plate (18) is fixedly connected to one side of the mounting tube (2) extending into the interior of the fixing tube (3); a slot (17) is provided at the bottom of the mounting plate (18); a protruding block (16) is inserted into the inner wall of the slot (17); and a bent plate (6) is fixedly connected to the bottom of the protruding block (16).
4. The optical lens structure that is easy to assemble according to claim 1, characterized in that: The inner wall of the fixed cylinder (3) is fixedly connected to the fixed plate (5), the top of the fixed plate (5) is pressed against a spring (8), the top of the spring (8) is pressed against the bottom of the bent plate (6), the outer wall of the bent plate (6) is plugged into the inner wall of the fixed plate (5), and one end of the bent plate (6) extending to the outer wall of the fixed plate (5) is fixedly connected to a limiting block (12).
5. The optical lens structure that is easy to assemble according to claim 1, characterized in that: The inner wall of the fixed cylinder (3) is provided with a slideway (13), the inner wall of the slideway (13) is slidably engaged with a slider (14), and the outer wall of the slider (14) is fixedly connected to the outer wall of the bent plate (6).