Sealing and purging structure applied to laser window and laser
Patent Information
- Application Number
- CN202522191839.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-16
- Publication Date
- 2026-10-13
- Estimated Expiration
- 2035-10-16
AI Technical Summary
[0002]通常情况下，激光器的使用以及维护保养过程中，需要减少灰尘的污染，尤其是激光器的镜片，附着于镜片表面的灰尘可能会对激光进行阻挡，进而影响激光性能
根据上述内容，该应用于激光窗口的密封吹扫结构包括窗口片基座、导流环、压板、镜片以及旋塞。其中，该窗口片基座能够与激光设备连接，该窗口片基座为环状结构，且内部设置有凹槽以及半圆环结构，该半圆环结构的缺口为气道。该半圆环结构相比于该凹槽，更靠近该窗口片基座的第一侧。该镜片能够嵌入该凹槽内。该导流环为侧面设置有多个进气孔的圆环形结构；该导流环能够嵌入该半圆环结构内，且该进气孔的位置可与该半圆环结构的缺口对应。该压板为顶小底大的渐进式结构。该压板与该窗口片基座的第一侧固定连接，且该压板的顶部朝向该窗口片基座的第二侧。该压板的部分结构处于该导流环内侧，且与该导流环隔开第一尺寸，且该压板的顶部与该镜片临近，该压板用于约束气体的流向，使得该气体吹向该镜片。该窗口片基座的第一侧设置有内螺纹；该旋塞设置有与该内螺纹匹配的外螺纹，该旋塞能够与该窗口片基座可拆卸连接；该旋塞未与该窗口片基座连接时，吹向该镜片的气流能够从该窗口片基座的第一侧吹出。
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Figure CN224851970U_ABST
Abstract
Description
Technical Field
[0001] This specification relates to the field of laser accessory technology, and in particular to a sealing and blowing structure for use in laser windows and a laser. Background Technology
[0002] In general, during the use and maintenance of lasers, it is necessary to reduce dust contamination, especially on the laser lenses. Dust adhering to the lens surface may block the laser beam and thus affect its performance.
[0003] In existing technologies, cleaning is usually done manually, but this is inefficient and may damage the lenses. Utility Model Content
[0004] This specification provides a sealing and purging structure for laser windows and a laser, to at least partially solve the aforementioned problems existing in the prior art.
[0005] The following technical solution is adopted in this specification: This specification provides a sealing and purging structure for use in laser windows, including a window base, a guide ring, a pressure plate, a lens, and a stopcock; The window base can be connected to a laser device. The window base has a ring-shaped structure and is provided with a groove and a semi-circular ring structure inside. The notch of the semi-circular ring structure is an air passage. The semi-circular ring structure is closer to the first side of the window base than the groove. The lens can be embedded in the groove; The guide ring is a circular ring structure with multiple air inlets on its side; the guide ring can be embedded in the semi-circular ring structure, and the position of the air inlets can correspond to the notch of the semi-circular ring structure. The pressure plate has a progressive structure with a smaller top and a larger bottom; the pressure plate is fixedly connected to the first side of the window base, and the top of the pressure plate faces the second side of the window base; part of the structure of the pressure plate is located inside the flow guide ring and is separated from the flow guide ring by a first dimension, and the top of the pressure plate is close to the lens; the pressure plate is used to constrain the flow direction of the gas, so that the gas blows toward the lens. The first side of the window lens base is provided with an internal thread; the plug is provided with an external thread that matches the internal thread, and the plug can be detachably connected to the window lens base; when the plug is not connected to the window lens base, the airflow blowing toward the lens can be blown out from the first side of the window lens base.
[0006] Preferably, the sealing and blowing structure applied to the laser window includes a screw seal and an elastic gasket; The second side of the window base is provided with an internal thread; The elastic washer is in close contact with the lens; The rotary seal is provided with an external thread that matches the internal thread; the rotary seal can be spirally connected to the window plate base and compress the elastic washer.
[0007] Preferably, the sealing and blowing structure applied to the laser window includes a fixing member; Both the pressure plate and the window panel base are provided with structures that match the fasteners, and the fasteners are used to fix the pressure plate and the window panel base together.
[0008] Preferably, the sealing and blowing structure applied to the laser window includes a housing sealing ring; The housing sealing ring is located between the lens and the window base, and the housing sealing ring is used to prevent dust from entering.
[0009] Preferably, the outer side of the valve is provided with an operating protrusion; The operating protrusion is used to drive the valve to rotate under the action of external force.
[0010] Preferably, the guide ring is made of polytetrafluoroethylene (PTFE).
[0011] Preferably, the sealing and blowing structure applied to the laser window includes an O-ring; The O-ring is positioned at the bottom of the window base.
[0012] Preferably, the lens is made of optical glass, fused silica or sapphire, and the lens allows light to pass through, and the surface of the lens is coated with an anti-reflective film.
[0013] On the other hand, this specification provides a laser comprising the sealing and blowing structure applied to a laser window as described in one aspect above.
[0014] Preferably, the laser is provided with a laser window; The sealing and blowing structure applied to the laser window is fixedly connected to the inner side of the laser window.
[0015] The above-mentioned technical solutions adopted in this specification can achieve the following beneficial effects: According to the above, the sealing and purging structure applied to a laser window includes a window base, a guide ring, a pressure plate, a lens, and a stopcock. The window base is connectable to the laser device and has an annular structure with an internal groove and a semi-circular ring structure. The notch in the semi-circular ring structure serves as an air passage. The semi-circular ring structure is closer to the first side of the window base than the groove. The lens can be embedded in the groove. The guide ring is a ring-shaped structure with multiple air inlets on its side; it can be embedded in the semi-circular ring structure, and the positions of the air inlets correspond to the notches in the semi-circular ring structure. The pressure plate has a progressive structure, smaller at the top and larger at the bottom. The pressure plate is fixedly connected to the first side of the window base, with its top facing the second side of the window base. Part of the pressure plate is located inside the guide ring and separated from it by a first dimension. The top of the pressure plate is close to the lens, and the pressure plate is used to constrain the gas flow, causing the gas to be blown towards the lens. The first side of the window lens base is provided with an internal thread; the plug is provided with an external thread that matches the internal thread, and the plug can be detachably connected to the window lens base; when the plug is not connected to the window lens base, the airflow blowing toward the lens can be blown out from the first side of the window lens base.
[0016] As can be seen, the above structure, while ensuring the lens is sealed, constrains the airflow direction through the design of the guide ring, pressure plate, and plug, thus achieving a blow-type lens cleaning. Attached Figure Description
[0017] The accompanying drawings, which are included to provide a further understanding of this specification and form part of this specification, illustrate exemplary embodiments and are used to explain this specification, but do not constitute an undue limitation thereof. In the drawings: Figure 1 A schematic diagram of a sealing and purging structure for a laser window provided as an embodiment of this specification; Figure 2 A schematic diagram of a sealing and purging structure for a laser window provided as an embodiment of this specification; Figure 3 A schematic diagram of the structure of a window base provided in one embodiment of this specification; Figure 4 A partial structural schematic diagram of a sealing and purging structure applied to a laser window, provided as an embodiment of this specification; Figure 5 A partial structural schematic diagram of a sealing and purging structure applied to a laser window, provided as an embodiment of this specification; Figure 6 A partial structural schematic diagram of a sealing and purging structure applied to a laser window, provided as an embodiment of this specification; Figure 7 A partial structural schematic diagram of a sealing and purging structure applied to a laser window, provided as an embodiment of this specification; Figure 8 A partial structural schematic diagram of a sealing and purging structure applied to a laser window, provided as an embodiment of this specification; Figure 9 A schematic cross-sectional view of section AA' of a sealing and purging structure applied to a laser window, provided as an embodiment of this specification; Figure 10 This is a schematic diagram showing the cut-off position of the cross section AA' of a sealing and blowing structure applied to a laser window, provided as an embodiment of this specification.
[0018] Explanation of reference numerals in the attached figures: Window base 1; guide ring 2; pressure plate 3; lens 4; plug 5; groove 11; semi-circular ring structure 12; air passage 13; air inlet 21. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of this specification clearer, the technical solutions of this specification will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only a part of the embodiments of this specification, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments in this specification without creative effort are within the scope of protection of this application.
[0020] In the description of this invention, it should be noted that the term "or" is generally used to include the meaning of "and / or" unless otherwise expressly stated in the content.
[0021] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. Furthermore, in the description of this application, the terms "first," "second," etc., are used only for distinguishing descriptions and should not be construed as indicating or implying relative importance.
[0022] Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.
[0023] The technical solutions provided in the various embodiments of this specification are described in detail below with reference to the accompanying drawings.
[0024] Figure 1 as well as Figure 2These are all schematic diagrams of a sealing and purging structure for a laser window provided as an embodiment of this specification, such as... Figure 1 as well as Figure 2 As shown, the sealing and purging structure applied to the laser window includes a window base 1, a guide ring 2, a pressure plate 3, a lens 4, and a plug 5.
[0025] Preferred and preferably, the window base 1 can be connected to the laser device. The window base 1 has a ring structure and is provided with a groove 11 and a semi-circular ring structure 12 inside. The notch of the semi-circular ring structure 12 is an air passage 13.
[0026] Figure 3 A schematic diagram of the structure of the window base 1 provided in one embodiment of this specification is shown below. Figure 3 As shown, the window base 1 is provided with a groove 11, a semi-circular ring structure 12, and an air passage 13.
[0027] Preferably, the semi-circular ring structure 12 is closer to the first side of the window base 1 than the groove 11.
[0028] Preferably, the lens 4 can be embedded in the groove 11.
[0029] Figure 4 as well as Figure 5 These are partial structural diagrams of a sealing and purging structure applied to a laser window, provided as an embodiment of this specification. Figure 4 As shown, the lens 4 is embedded in the groove 11, and the semi-circular ring structure 12 is closer to the first side of the window base 1 than the groove 11. The first and second sides of the window base 1 are as follows: Figure 5 As shown.
[0030] Preferably, the guide ring 2 is a ring structure with multiple air inlets 21 on its side.
[0031] Figure 6 A partial structural diagram of a sealing and purging structure applied to a laser window, as provided in one embodiment of this specification, is shown below. Figure 6 As shown, the guide ring 2 is a circular structure with multiple air inlets 21 on its side.
[0032] Preferably, the guide ring 2 can be embedded in the semi-circular ring structure 12, and the position of the air inlet 21 can correspond to the notch of the semi-circular ring structure 12.
[0033] Figure 7 A partial structural diagram of a sealing and purging structure applied to a laser window, as provided in one embodiment of this specification, is shown below. Figure 7As shown, the guide ring 2 can be embedded in the semi-circular ring structure 12, and the position of the air inlet 21 can correspond to the notch of the semi-circular ring structure 12.
[0034] Preferably, the guide ring 2 is rotatable, thereby adjusting the relative position of the air inlet 21 and the air passage 13, and thus adjusting the number and / or position of the air inlet 21 corresponding to the air passage 13, and adjusting the airflow speed and air intake volume.
[0035] Preferably, the pressure plate 3 has a progressive structure with a smaller top and a larger bottom.
[0036] Figure 8 A partial structural diagram of a sealing and purging structure applied to a laser window, as provided in one embodiment of this specification, is shown below. Figure 8 As shown, the pressure plate 3 has a progressive structure with a smaller top and a larger bottom.
[0037] Preferably, the pressure plate 3 is fixedly connected to the first side of the window base 1, and the top of the pressure plate 3 faces the second side of the window base 1. Furthermore, a portion of the structure of the pressure plate 3 is located inside the guide ring 2 and is spaced apart from the guide ring 2 by a first dimension, and the top of the pressure plate 3 is close to the lens 4. The pressure plate 3 is used to constrain the flow direction of the gas, so that the gas blows toward the lens 4.
[0038] Figure 9 A schematic cross-sectional view of section AA' of a sealing and purging structure applied to a laser window, provided as an embodiment of this specification. Figure 10 This is a schematic diagram showing the cut-off position of the cross section AA' of a sealing and blowing structure applied to a laser window, provided as an embodiment of this specification.
[0039] like Figure 9 As shown, a portion of the structure of the pressure plate 3 is located inside the guide ring 2 and is separated from the guide ring 2 by a first dimension, and the top of the pressure plate 3 is close to the lens 4. The gas entering through the air inlet 21 of the guide ring 2 can pass through the gap between the pressure plate 3 and the window base 1 until it reaches the lens 4 near the top of the pressure plate 3, thus cleaning the surface of the lens 4.
[0040] Preferably, the first side of the window lens base 1 is provided with an internal thread, and the plug 5 is provided with an external thread that matches the internal thread. The plug 5 can be detachably connected to the window lens base 1. When the plug 5 is not connected to the window lens base 1, the airflow blowing toward the lens 4 can be blown out from the first side of the window lens base 1.
[0041] According to the above, the sealing and purging structure applied to the laser window includes a window base 1, a guide ring 2, a pressure plate 3, a lens 4, and a stopcock 5. The window base 1 can be connected to the laser device. The window base 1 has an annular structure with a groove 11 and a semi-circular ring structure 12 inside. The notch of the semi-circular ring structure 12 serves as an air passage 13. The semi-circular ring structure 12 is closer to the first side of the window base 1 than the groove 11. The lens 4 can be embedded in the groove 11. The guide ring 2 is an annular structure with multiple air inlets 21 on its side; the guide ring 2 can be embedded in the semi-circular ring structure 12, and the position of the air inlets 21 corresponds to the notch of the semi-circular ring structure 12. The pressure plate 3 has a progressive structure with a smaller top and a larger bottom. The pressure plate 3 is fixedly connected to the first side of the window base 1, and the top of the pressure plate 3 faces the second side of the window base 1. The pressure plate 3 is partially located inside the guide ring 2 and is spaced apart from the guide ring 2 by a first dimension. The top of the pressure plate 3 is close to the lens 4. The pressure plate 3 is used to constrain the flow direction of the gas, so that the gas is blown toward the lens 4. The first side of the window base 1 is provided with an internal thread; the plug 5 is provided with an external thread that matches the internal thread. The plug 5 can be detachably connected to the window base 1. When the plug 5 is not connected to the window base 1, the airflow blowing toward the lens 4 can be blown out from the first side of the window base 1.
[0042] As can be seen, the above structure, while ensuring the sealing of the lens 4, constrains the airflow direction through the design of the guide ring 2, pressure plate 3, and plug 5, thus realizing the cleaning of the lens 4 by blowing.
[0043] Preferably, the sealing and purging structure applied to the laser window includes a screw seal and an elastic washer. The second side of the window base 1 is provided with an internal thread. The elastic washer is in close contact with the lens 4. The screw seal is provided with an external thread that matches the internal thread. The screw seal can be screwed into the window base 1 and compress the elastic washer.
[0044] Preferably, the sealing and blowing structure applied to the laser window includes a fixing member. Both the pressure plate 3 and the window base 1 are provided with structures that match the fixing member, which is used to fix the pressure plate 3 to the window base 1.
[0045] Preferably, both the pressure plate 3 and the window base 1 are provided with holes, and the holes of the pressure plate 3 and / or the window base 1 are provided with threads, and the fastener is a bolt assembly.
[0046] Preferably, the sealing and blowing structure applied to the laser window includes a housing sealing ring. The housing sealing ring is located between the lens 4 and the window base 1, and is used to prevent dust from entering.
[0047] Preferably, the outer side of the valve 5 is provided with an operating protrusion. The operating protrusion is used to drive the valve 5 to rotate under the action of an external force.
[0048] Preferably, the guide ring 2 is made of polytetrafluoroethylene.
[0049] Preferably, the sealing and blowing structure applied to the laser window includes an O-ring. The O-ring is disposed at the bottom of the window base 1.
[0050] Preferably, the outer periphery of the window base 1 is provided with a pumping hole, the position of which is adapted to the position of the air passage 13, so that the pumped gas can enter the air passage 13.
[0051] Preferably, the lens 4 is made of optical glass, fused silica or sapphire, and the lens 4 allows light to pass through, and the surface of the lens 4 is coated with an anti-reflective film.
[0052] Preferably, the sealing and purging structure applied to the laser window includes an air pump. The air pump has an air port adapted to it.
[0053] The above are one or more embodiments of the sealing and purging structure for laser windows provided in this specification. Based on the same idea, this specification also provides a laser.
[0054] The laser includes the sealing and blowing structure for the laser window provided in any of the above embodiments.
[0055] Preferably, the laser is provided with a laser window, and the sealing and blowing structure applied to the laser window is fixedly connected to the inside of the laser window.
[0056] It should also be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0057] The various embodiments in this specification are described in a progressive manner. Similar or identical parts between embodiments can be referred to interchangeably. Each embodiment focuses on describing the differences from other embodiments. In particular, the system embodiments are basically similar to the method embodiments, so the description is relatively simple; relevant parts can be referred to the descriptions in the method embodiments.
[0058] The above description is merely an embodiment of this specification and is not intended to limit this specification. Various modifications and variations can be made to this specification by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this specification should be included within the scope of the claims of this application.
Claims
1. A sealing and purging structure for use in laser windows, characterized in that, Includes window base, flow guide ring, pressure plate, lens, and stopcock; The window base can be connected to a laser device. The window base has a ring-shaped structure and is provided with a groove and a semi-circular ring structure inside. The notch of the semi-circular ring structure is an air passage. The semi-circular ring structure is closer to the first side of the window base than the groove. The lens can be embedded in the groove; The guide ring is a circular ring structure with multiple air inlets on its side; the guide ring can be embedded in the semi-circular ring structure, and the position of the air inlets can correspond to the notch of the semi-circular ring structure. The pressure plate has a progressive structure with a smaller top and a larger bottom; the pressure plate is fixedly connected to the first side of the window base, and the top of the pressure plate faces the second side of the window base; part of the structure of the pressure plate is located inside the flow guide ring and is separated from the flow guide ring by a first dimension, and the top of the pressure plate is close to the lens; the pressure plate is used to constrain the flow direction of the gas, so that the gas blows toward the lens. The first side of the window lens base is provided with an internal thread; the plug is provided with an external thread that matches the internal thread, and the plug can be detachably connected to the window lens base; when the plug is not connected to the window lens base, the airflow blowing toward the lens can be blown out from the first side of the window lens base.
2. The sealing and blowing structure applied to a laser window according to claim 1, characterized in that, The sealing and purging structure applied to the laser window includes a rotary seal and an elastic gasket; The second side of the window base is provided with an internal thread; The elastic washer is in close contact with the lens; The rotary seal is provided with an external thread that matches the internal thread; the rotary seal can be spirally connected to the window plate base and compress the elastic washer.
3. The sealing and blowing structure applied to a laser window according to claim 1, characterized in that, The sealing and blowing structure applied to the laser window includes a fixing component; Both the pressure plate and the window panel base are provided with structures that match the fasteners, and the fasteners are used to fix the pressure plate and the window panel base together.
4. The sealing and blowing structure applied to a laser window according to claim 1, characterized in that, The sealing and purging structure applied to the laser window includes a housing sealing ring; The housing sealing ring is located between the lens and the window base, and the housing sealing ring is used to prevent dust from entering.
5. The sealing and blowing structure applied to a laser window according to claim 1, characterized in that, The outer side of the valve is provided with an operating protrusion; The operating protrusion is used to drive the valve to rotate under the action of external force.
6. The sealing and blowing structure for a laser window according to any one of claims 1-5, characterized in that, The guide ring is made of polytetrafluoroethylene.
7. The sealing and blowing structure for a laser window according to any one of claims 1-5, characterized in that, The sealing and blowing structure applied to the laser window includes an O-ring; The O-ring is positioned at the bottom of the window base.
8. The sealing and blowing structure for a laser window according to any one of claims 1-5, characterized in that, The lens is made of optical glass, fused silica or sapphire, and allows light to pass through, and the surface of the lens is coated with an anti-reflective film.
9. A laser, characterized in that, The laser includes the sealing and blowing structure applied to the laser window as described in any one of claims 1-8.
10. The laser according to claim 9, characterized in that, The laser is provided with a laser window; The sealing and blowing structure applied to the laser window is fixedly connected to the inner side of the laser window.