Drying structure for endoscope and endoscope
By designing the drying structure of the ring base, ring cover, spherical desiccant and annular semipermeable membrane in the endoscope, the problem of insufficient waterproof performance of the endoscope is solved, effectively adsorbing water vapor and preventing fine debris contamination is achieved, and imaging is improved Effect.
Patent Information
- Application Number
- CN202420842453.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-23
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-23
AI Technical Summary
The internal waterproofing performance of existing endoscopes is poor, resulting in a fog layer generated by the internal optical components, affecting the imaging performance.
Design a dry structure for endoscopes, including an annular base, an annular cover, a spherical desiccant and an annular semipermeable membrane, adsorbs the water vapor in the cavity through the spherical desiccant, and allows water molecules to pass through the annular semipermeable membrane for absorption, Prevent desiccant smear contamination.
Effectively adsorb the water vapor in the endoscopic cavity to ensure imaging performance, prevent the lens from being contaminated by fines, and improve the imaging effect.
Smart Images
Figure CN222319214U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of optical equipment, and in particular to a drying structure for an endoscope and an endoscope. Background Art
[0002] The optical endoscope is mainly composed of internal optical components and external structural parts. The external structural parts seal the internal optical components in the cavity by welding or gluing to prevent water vapor from entering and affecting the imaging performance of the endoscope.
[0003] However, in actual use, the internal optical components of the endoscope still produce fog. First, because the optical components are installed in the external structure, there is a certain amount of water vapor remaining; second, when the external structure is sealed, there is an extremely small gap at the sealing position. As time goes by, external water vapor will gradually enter the cavity through this gap.
[0004] As water vapor gradually accumulates inside the endoscope, it causes a fog layer to form on the internal optical components, thereby affecting the imaging performance of the endoscope. Utility Model Content
[0005] One of the purposes of the present application is to provide a drying structure for an endoscope and an endoscope, aiming to solve the problem of poor internal waterproof performance of existing endoscopes.
[0006] The technical solution of this application is:
[0007] A drying structure for an endoscope comprises a ring seat, a ring cover, a plurality of spherical desiccants and an annular semipermeable membrane; the ring seat, the ring cover and the annular semipermeable membrane are all annular and their center holes are coaxially arranged; an annular groove is provided on one surface of the ring seat, the annular groove is coaxially arranged with the center hole of the ring seat and is arranged around the center hole of the ring seat; a plurality of the spherical desiccants are arranged in the annular groove; the ring cover is arranged on the annular groove and is used to press the annular semipermeable membrane onto the ring seat; at least one strip opening is opened on the ring cover, and the strip opening is within the projection range of the annular groove; the annular semipermeable membrane covers and blocks the opening of the annular groove and can pass water molecules.
[0008] As a technical solution of the present application, the ring seat is in the shape of an annular groove and includes an integrally formed outer annular plate, an inner annular plate and an annular connecting plate; the inner annular plate is concentrically arranged with the outer annular plate and is located in the inner cavity of the outer annular plate, and the inner annular plate is arranged to form a center hole of the ring seat; the inner circumferential wall of the annular connecting plate is connected to one end circumferential wall of the inner annular plate, and the outer circumferential wall is connected to one end circumferential wall of the outer annular plate; the outer annular plate, the inner annular plate and the annular connecting plate are jointly arranged to form the annular groove.
[0009] As a technical solution of the present application, a plurality of first connecting holes are evenly spaced on the other end of the outer ring plate, and a plurality of second connecting holes are evenly spaced on the ring cover, and the first connecting holes are connected to the corresponding second connecting holes by pins.
[0010] As a technical solution of the present application, the first connecting hole and the second connecting hole are connected by interference fit of the pin, the depth of the first connecting hole is less than the length of the pin, and the sum of the depths of the first connecting hole and the second connecting hole is greater than the length of the pin.
[0011] As a technical solution of the present application, the pin is a cylindrical structure.
[0012] As a technical solution of the present application, the ring cover is connected to the ring seat by a plurality of pins and covers the annular groove; there are two strip openings that pass through opposite sides of the ring cover, and both of the strip openings extend in a direction parallel to the circumferential direction of the ring cover, and the inner diameter of the strip opening is larger than the inner diameter of the annular groove and smaller than the outer diameter of the annular groove.
[0013] As a technical solution of the present application, the inner diameter of the annular semipermeable membrane is equal to the inner diameter of the annular seat.
[0014] An endoscope comprises a shell, a fixing seat and the above-mentioned drying structure for the endoscope; the fixing seat is arranged in the shell, and comprises a first fixing cylinder, a second fixing cylinder and a third fixing cylinder which are connected in sequence, the first fixing cylinder and the third fixing cylinder are respectively connected to the two opposite outer side walls of the second fixing cylinder, and the diameter of the first fixing cylinder and the diameter of the third fixing cylinder are both smaller than the diameter of the second fixing cylinder; the drying structure for the endoscope is sleeved on the first fixing cylinder and bonded to the first fixing cylinder and the second fixing cylinder.
[0015] An endoscope comprises a shell, a fixing seat and the above-mentioned drying structure for the endoscope; the fixing seat is arranged in the shell, and comprises a first fixing cylinder, a second fixing cylinder and a third fixing cylinder which are connected in sequence, the first fixing cylinder and the third fixing cylinder are respectively connected to the two opposite outer side walls of the second fixing cylinder, and the diameter of the first fixing cylinder and the diameter of the third fixing cylinder are both smaller than the diameter of the second fixing cylinder, and a plurality of claws are evenly spaced on the second fixing cylinder; the drying structure for the endoscope is sleeved on the first fixing cylinder, and a plurality of the claws are clamped on the outer peripheral wall of the drying structure for the endoscope.
[0016] An endoscope comprises a shell, a fixing seat and the above-mentioned drying structure for endoscope; the fixing seat is arranged in the shell, and comprises a first fixing cylinder, a second fixing cylinder and a third fixing cylinder which are connected in sequence, the first fixing cylinder and the third fixing cylinder are respectively connected to the two opposite outer side walls of the second fixing cylinder, and the diameter of the first fixing cylinder and the diameter of the third fixing cylinder are both smaller than the diameter of the second fixing cylinder; the drying structure for endoscope is bonded to the inner peripheral wall of the shell.
[0017] Beneficial effects of this application:
[0018] In the drying structure for endoscope and the endoscope of the present application, a drying structure is added to the cavity of the endoscope, which can effectively absorb the water vapor in the cavity of the endoscope, thereby ensuring the imaging performance of the endoscope and effectively improving the imaging effect of the endoscope. At the same time, the drying structure is equipped with an annular semipermeable membrane, and water molecules can be absorbed by the desiccant through the annular semipermeable membrane, while the desiccant fine particles cannot pass through the annular semipermeable membrane, which can effectively prevent the lens from being contaminated by fine particles. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0020] Figure 1 A schematic diagram of a drying structure for an endoscope provided in the first embodiment of the present application;
[0021] Figure 2 A schematic diagram of a drying structure for an endoscope provided in the first embodiment of the present application from a first angle;
[0022] Figure 3 A second angle schematic diagram of the drying structure for an endoscope provided in the first embodiment of the present application;
[0023] Figure 4 A schematic diagram of an endoscope provided in accordance with a second embodiment of the present application;
[0024] Figure 5 A schematic diagram of a fixing base provided in the second embodiment of the present application;
[0025] Figure 6 A schematic diagram of a fixing base provided in the third embodiment of the present application;
[0026] Figure 7 Schematic diagram of an endoscope provided in the fourth embodiment of the present application.
[0027] Icons: 1-ring seat; 2-pin; 3-ring cover; 4-spherical desiccant; 5-annular semipermeable membrane; 6-inner circular ring plate; 7-annular groove; 8-outer circular ring plate; 9-annular connecting plate; 10-housing; 11-fixed seat; 12-first fixed cylinder; 13-second fixed cylinder; 14-third fixed cylinder; 15-claw. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.
[0029] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.
[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0031] In the description of the present application, it should be noted that the terms "upper", "lower", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0032] In addition, in the present application, unless otherwise clearly specified and limited, the first feature being above or below the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, the first feature being above, above, and above the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being below, below, and below the second feature includes the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0033] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0034] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "disposed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0035] First embodiment:
[0036] Please refer to Figure 1 , with reference Figures 2 to 3 The present application provides a drying structure for an endoscope, which mainly includes a ring seat 1, a plurality of pins 2, a ring cover 3, a plurality of spherical desiccants 4 and an annular semipermeable membrane 5; the ring seat 1, the ring cover 3 and the annular semipermeable membrane 5 are all annular and the center holes of the three are coaxially arranged; an annular groove 7 is provided on one surface of the ring seat 1, the annular groove 7 is coaxially arranged with the center hole of the ring seat 1, and is arranged around the center hole of the ring seat 1; a plurality of spherical desiccants 4 are arranged in the annular groove 7; the ring cover 3 is connected to the ring seat 1 through a plurality of pins 2, and is covered on the annular groove 7, and is used to press the annular semipermeable membrane 5 on the ring seat 1; at least one strip opening is opened on the ring cover 3, and the strip opening is within the projection range of the annular groove 7; the annular semipermeable membrane 5 covers and blocks the opening of the annular groove 7, and can pass water molecules.
[0037] Furthermore, the ring seat 1 is in the shape of an annular groove and includes an outer annular plate 8, an inner annular plate 6 and an annular connecting plate 9 which are integrally formed; the inner annular plate 6 is concentrically arranged with the outer annular plate 8, and the inner annular plate 6 is in the inner cavity of the outer annular plate 8, the thickness of the two are the same, and the inner annular plate 6 is arranged to form a central hole of the ring seat 1; the inner peripheral wall of the annular connecting plate 9 is connected to the peripheral wall of one end of the inner annular plate 6, and the outer peripheral wall is connected to the peripheral wall of one end of the outer annular plate 8, and its thickness is equal to the distance between the inner annular plate 6 and the outer annular plate 8; at the same time, the outer annular plate 8, the inner annular plate 6 and the annular connecting plate 9 together constitute an annular groove 7; in addition, the ring cover 3 is covered on the annular groove 7 by a plurality of pins 2; a plurality of spherical desiccants 4 are respectively stored in the annular groove 7 at intervals, which can effectively absorb the water vapor of the endoscope cavity, thereby ensuring the imaging performance of the endoscope, and can effectively improve the imaging effect of the endoscope.
[0038] It should be noted that a plurality of first connection holes are formed at equal intervals on the other end of the outer ring plate 8, and a plurality of second connection holes are formed at equal intervals on the ring cover 3, and the first connection holes are connected to the corresponding second connection holes by means of the pin 2. At the same time, the first connection holes and the second connection holes are interference fit by means of the pin 2, and the depth of the first connection hole is less than the length of the pin 2, and the sum of the depths of the first connection hole and the second connection hole is greater than the length of the pin 2. In addition, the pin 2 is a cylindrical structure.
[0039] Specifically, in this embodiment, the number of the first connecting hole, the second connecting hole and the pin 2 are all four; in other embodiments, the number of the first connecting hole, the second connecting hole and the pin 2 can be designed differently according to actual needs, and is not limited to the structural form in this embodiment.
[0040] In addition, in this embodiment, there are two strip-shaped openings on the ring cover 3 and both of them penetrate the opposite sides of the ring cover 3. Both of the strip-shaped openings extend in a direction parallel to the circumferential direction of the ring cover 3, and the inner diameter of the strip-shaped opening is larger than the inner diameter of the annular groove 7 and smaller than the outer diameter of the annular groove 7. The strip-shaped opening can prevent the spherical desiccant 4 from falling and is also conducive to the moisture absorption and drying of the spherical desiccant 4. At the same time, the annular semipermeable membrane 5 is a ring-shaped structure and is located between the outer side of the annular groove 7 and the first connecting hole, and its inner diameter is equal to the inner diameter of the ring seat 1. Water molecules can be absorbed by the desiccant through the annular semipermeable membrane 5, while the desiccant fines cannot pass through the annular semipermeable membrane 5, which can effectively prevent the lens from being contaminated by fines.
[0041] The device is assembled as follows:
[0042] First, assemble the pin 2 into the first connecting hole of the ring seat 1, then install the spherical desiccant 4 into the annular groove 7 of the ring seat 1, and then install the annular semipermeable membrane 5 on the end face of the ring seat 1 to cover and seal the opening of the annular groove 7. Finally, press the ring cover 3 into the pin 2 and press the annular semipermeable membrane 5 onto the ring seat 1. Assemble them in place, and the end face of the ring cover 3 fits with the end face of the annular semipermeable membrane 5. At this time, the drying structure is assembled.
[0043] In summary, in the drying structure for endoscope and the endoscope of the present application, a drying structure is added to the cavity of the endoscope, which can effectively absorb the water vapor in the cavity of the endoscope, thereby ensuring the imaging performance of the endoscope and effectively improving the imaging effect of the endoscope. At the same time, the drying structure is equipped with an annular semipermeable membrane 5, and water molecules can be absorbed by the desiccant through the annular semipermeable membrane 5, while the desiccant fines cannot pass through the annular semipermeable membrane 5, which can effectively prevent the lens from being contaminated by fines.
[0044] Second embodiment:
[0045] Please refer to Figure 4 , with reference Figure 5 The present application provides an endoscope, which includes a shell 10, a fixing seat 11 and a drying structure for an endoscope in a first embodiment; wherein the fixing seat 11 is arranged in the shell 10, and includes a first fixing cylinder 12, a second fixing cylinder 13 and a third fixing cylinder 14 which are connected in sequence, the first fixing cylinder 12 and the third fixing cylinder 14 are respectively connected to the two opposite outer side walls of the second fixing cylinder 13, and the diameter of the first fixing cylinder 12 and the diameter of the third fixing cylinder 14 are both smaller than the diameter of the second fixing cylinder 13; the inner annular plate 6 on the drying structure for an endoscope is sleeved on the first fixing cylinder 12, and is bonded to the first fixing cylinder 12 and the second fixing cylinder 13 by glue.
[0046] Third embodiment:
[0047] Please refer to Figure 6 The present application provides a drying structure for endoscope and an endoscope, which includes a shell 10, a fixing seat 11 and a drying structure for endoscope in a first embodiment, which is substantially the same as the structure in the second embodiment, except that the structure of the fixing seat 11 is different; wherein, in the present embodiment, the fixing seat 11 is arranged in the shell 10, and includes a first fixing cylinder 12, a second fixing cylinder 13 and a third fixing cylinder 14 which are connected in sequence, the first fixing cylinder 12 and the third fixing cylinder 14 are respectively connected to the two opposite outer side walls of the second fixing cylinder 13, and the diameters of the first fixing cylinder 12 and the third fixing cylinder 14 are both smaller than the diameter of the second fixing cylinder 13, a plurality of claws 15 are arranged on the second fixing cylinder 13 at equal intervals, the plurality of claws 15 are close to the first fixing cylinder 12, and the first fixing cylinder 12 is in a cavity surrounded by the plurality of claws 15; the inner annular plate 6 on the drying structure for endoscope is sleeved on the first fixing cylinder 12, and the plurality of claws 15 are clamped on the outer peripheral wall of the drying structure for endoscope.
[0048] Fourth embodiment:
[0049] Please refer to Figure 7 The present application provides a drying structure for an endoscope and an endoscope, which include a shell 10, a fixing seat 11 and the drying structure for an endoscope in the first embodiment, which is substantially the same as the structure in the third embodiment, except that the installation position of the drying structure for an endoscope therein is different; in the present embodiment, the fixing seat 11 is arranged in the shell 10, and includes a first fixing cylinder 12, a second fixing cylinder 13 and a third fixing cylinder 14 which are sequentially connected, the first fixing cylinder 12 and the third fixing cylinder 14 are respectively connected to the opposite outer side walls of the second fixing cylinder 13, and the diameters of the first fixing cylinder 12 and the third fixing cylinder 14 are both smaller than the diameter of the second fixing cylinder 13; the outer peripheral wall of the drying structure for an endoscope is bonded to the inner peripheral wall of the shell 10 by glue.
[0050] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A drying structure for an endoscope, characterized in that: The invention comprises a ring seat, a ring cover, a plurality of spherical desiccants and an annular semipermeable membrane; the ring seat, the ring cover and the annular semipermeable membrane are all annular in shape and the central holes of the three are coaxially arranged; an annular groove is provided on one surface of the ring seat, the annular groove is coaxially arranged with the central hole of the ring seat and is arranged around the central hole of the ring seat; a plurality of the spherical desiccants are arranged in the annular groove; the ring cover is arranged on the annular groove and is used to press the annular semipermeable membrane onto the ring seat; at least one strip opening is opened on the ring cover, and the strip opening is within the projection range of the annular groove; the annular semipermeable membrane covers and blocks the opening of the annular groove and can pass water molecules.
2. The drying structure for endoscope according to claim 1, characterized in that: The ring seat is in the shape of an annular groove and includes an integrally formed outer annular plate, an inner annular plate and an annular connecting plate; the inner annular plate is concentrically arranged with the outer annular plate and is located in the inner cavity of the outer annular plate, and the inner annular plate is arranged to form a center hole of the ring seat; the inner circumferential wall of the annular connecting plate is connected to one end circumferential wall of the inner annular plate, and the outer circumferential wall is connected to one end circumferential wall of the outer annular plate; the outer annular plate, the inner annular plate and the annular connecting plate are jointly arranged to form the annular groove.
3. The drying structure for endoscope according to claim 2, characterized in that: A plurality of first connection holes are formed at equal intervals on the other end of the outer ring plate, and a plurality of second connection holes are formed at equal intervals on the ring cover. The first connection holes are connected to the corresponding second connection holes by pins.
4. The drying structure for endoscope according to claim 3, characterized in that: The first connecting hole and the second connecting hole are connected by interference fit of the pin, the depth of the first connecting hole is smaller than the length of the pin, and the sum of the depths of the first connecting hole and the second connecting hole is greater than the length of the pin.
5. The drying structure for endoscope according to claim 3, characterized in that: The pin is a cylindrical structure.
6. The drying structure for endoscope according to claim 1, characterized in that: The ring cover is connected to the ring seat by a plurality of pins and covers the annular groove; there are two strip openings which pass through opposite sides of the ring cover, and both of the strip openings extend in a direction parallel to the circumferential direction of the ring cover, and the inner diameter of the strip openings is larger than the inner diameter of the annular groove and smaller than the outer diameter of the annular groove.
7. The drying structure for endoscope according to claim 1, characterized in that: The inner diameter of the annular semipermeable membrane is equal to the inner diameter of the annular seat.
8. An endoscope, characterized in that: It comprises a shell, a fixing seat and a drying structure for an endoscope according to any one of claims 1 to 7; the fixing seat is arranged in the shell, and comprises a first fixing cylinder, a second fixing cylinder and a third fixing cylinder which are connected in sequence, the first fixing cylinder and the third fixing cylinder are respectively connected to two opposite outer side walls of the second fixing cylinder, and the diameter of the first fixing cylinder and the diameter of the third fixing cylinder are both smaller than the diameter of the second fixing cylinder; the drying structure for an endoscope is sleeved on the first fixing cylinder and bonded to the first fixing cylinder and the second fixing cylinder.
9. An endoscope, characterized in that: It comprises a shell, a fixing seat and a drying structure for an endoscope as described in any one of claims 1 to 7; the fixing seat is arranged in the shell, and comprises a first fixing cylinder, a second fixing cylinder and a third fixing cylinder which are connected in sequence, the first fixing cylinder and the third fixing cylinder are respectively connected to two opposite outer side walls of the second fixing cylinder, and the diameter of the first fixing cylinder and the diameter of the third fixing cylinder are both smaller than the diameter of the second fixing cylinder, and a plurality of claws are arranged on the second fixing cylinder at equal intervals; the drying structure for an endoscope is sleeved on the first fixing cylinder, and a plurality of the claws are clamped on the outer peripheral wall of the drying structure for an endoscope.
10. An endoscope, characterized in that: It comprises a shell, a fixing seat and a drying structure for an endoscope according to any one of claims 1 to 7; the fixing seat is arranged in the shell, and comprises a first fixing cylinder, a second fixing cylinder and a third fixing cylinder which are connected in sequence, the first fixing cylinder and the third fixing cylinder are respectively connected to two opposite outer side walls of the second fixing cylinder, and the diameter of the first fixing cylinder and the diameter of the third fixing cylinder are both smaller than the diameter of the second fixing cylinder; the drying structure for an endoscope is bonded to the inner circumferential wall of the shell.