CN107807450B - Sealing structure for glass observation window - Google Patents
Sealing structure for glass observation window Download PDFInfo
- Publication number
- CN107807450B CN107807450B CN201711092613.2A CN201711092613A CN107807450B CN 107807450 B CN107807450 B CN 107807450B CN 201711092613 A CN201711092613 A CN 201711092613A CN 107807450 B CN107807450 B CN 107807450B
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- CN
- China
- Prior art keywords
- observation window
- glass
- pressing frame
- window
- observation
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- 239000011521 glass Substances 0.000 title claims abstract description 39
- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 238000009434 installation Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000003796 beauty Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/02—Viewing or reading apparatus
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Securing Of Glass Panes Or The Like (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The invention provides a glass observation window sealing structure, wherein at least one observation window is arranged on a shell, and the observation window is provided with a first stage for accommodating a glass window cover; the top of the first step is also provided with a second step connected with the pressing frame, the second step is used for accommodating the pressing frame, the fixing ribs on two sides of the observation window are provided with side inner oblique edges, two sides of the pressing frame are provided with side outer oblique edges, and when the pressing frame is installed, the side outer oblique edges are in contact with the side inner oblique edges. The observation window is trapezoid, the top of the observation window is narrower, and the bottom of the observation window is wider; correspondingly, the glass window cover and the pressing frame are trapezoidal. Through adopting above connection structure, have following beneficial effect: the appearance is beautiful. The pressing frame disclosed by the invention is uniformly pressed through the inclined plane, so that the consistent compression amount of the rubber pad is ensured, and the risks of assembling the glass window cover and water leakage are reduced. The whole sealing structure occupies small space. The installation and the disassembly are quick and convenient, and only one screw is needed for fixation.
Description
Technical Field
The invention relates to a structure of an observation window of photoelectric equipment, in particular to a sealing structure of a glass observation window.
Background
The underwater observation instrument is usually provided with a glass observation window, and an infrared thermal imager, a visible light television, a low-light television, a laser range finder and the like are arranged in the underwater observation instrument. When working under water under certain pressure, the sealing is required to be reliable.
The sealing and compacting structure of the traditional glass window cover is shown in fig. 9, a window hole is formed in the side face of the shell, taking 1 window as an example, a circumferential step is formed in the bottom, a lower rubber pad, a glass window cover, an upper rubber pad and a gland are sequentially placed in the shell, then the glass window cover is compacted by dense screws, and the structure is similar to a flange, so that the surrounding screws are required to be uniformly screwed, the compression amount is uniform, and the risk of cracking of the glass window cover during assembly and use due to uneven screwing moment is required to be considered. The structure occupies more side space of the window, and is suitable for occasions without requirements on the space. And the screw is protruded, thereby affecting the beauty and the streamline, and the whole structure is very bulkier under the condition of multiple windows.
Disclosure of Invention
The invention aims to solve the technical problem of providing a glass observation window sealing structure, which can simplify the existing sealing structure, reduce the volume of the sealing structure and simplify the installation steps.
In order to solve the technical problems, the invention adopts the following technical scheme: a glass observation window sealing structure, wherein at least one observation window is arranged on a shell, and the observation window is provided with a first stage for accommodating a glass window cover;
the top of the first step is also provided with a second step connected with the pressing frame, the second step is used for accommodating the pressing frame, the fixing ribs on two sides of the observation window are provided with side inner oblique edges, two sides of the pressing frame are provided with side outer oblique edges, and when the pressing frame is installed, the side outer oblique edges are in contact with the side inner oblique edges.
In a preferred embodiment, a bottom rubber pad is provided between the glazing cover and the first stage;
or/and a top rubber pad is arranged between the pressing frame and the glass window cover.
In the preferred scheme, the pressing frame is of a frame body structure with a hollowed-out middle part.
In a preferred scheme, the observation window is trapezoid, the top of the observation window is narrower, and the bottom of the observation window is wider;
correspondingly, the glass window cover and the pressing frame are trapezoidal.
In the preferred scheme, the bottom of pressing the frame is equipped with the through-hole, and the corresponding position of second stage is equipped with the screw, and the screw passes through-hole and screw threaded connection.
In the preferred scheme, an upper inner bevel edge is arranged at the upper part of the second stage, and a corresponding upper outer bevel edge is arranged at the upper part of the press frame.
In a preferred scheme, a plurality of observation windows are arranged, and the plurality of observation windows are uniformly distributed along the circumference.
In the preferred scheme, the observation windows are multiple layers, the observation windows are uniformly distributed along the circumference of one layer, and the observation windows of adjacent layers are mutually staggered.
In the preferred scheme, the shell is in the shape of a prismatic table, each surface of the prismatic table is trapezoidal, the top of the trapezoidal surface is narrower, the bottom of the trapezoidal surface is wider, and the observation window is arranged on the trapezoidal surface.
In the preferred scheme, the shell is in the shape of a plurality of layers of prismatic tables, each side face of each layer of prismatic table is trapezoidal, the top of the trapezoidal face is narrower, the bottom of the trapezoidal face is wider, the observation window is arranged on the trapezoidal face, and the faces of adjacent layers are mutually staggered.
The glass observation window sealing structure provided by the invention has the following beneficial effects by adopting the connecting structure:
1. attractive appearance, and is particularly beneficial to the appearance of the multi-window shell, thereby having great advantages.
2. The pressing frame disclosed by the invention is uniformly pressed through the inclined plane, so that the consistent compression amount of the rubber pad is ensured, and the risks of assembling the glass window cover and water leakage are reduced.
3. The whole sealing structure occupies small space.
4. The installation and the disassembly are quick and convenient, and only one screw is needed for fixation.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a perspective view of the present invention in a front view.
Fig. 2 is an exploded view of the mounting structure of the present invention.
Fig. 3 is a cross-sectional view A-A of fig. 1.
Fig. 4 is a sectional view of B-B of fig. 1.
Fig. 5 is an enlarged partial schematic view at C in fig. 4.
Fig. 6 is a partially enlarged schematic view of fig. 3 at D.
FIG. 7 is a diagram illustrating a force analysis of a pressure frame according to the present invention.
Fig. 8 is a schematic view of a preferred application structure of the present invention.
Fig. 9 is an exploded view of a prior art structure.
In the figure: the glass window comprises a shell 1, fixing ribs 101, screw holes 102, a first stage 103, a second stage 104, a viewing window 105, a press frame 2, side outer inclined edges 21, upper outer inclined edges 22, through holes 23, a glass window cover 3, a top rubber gasket 4, a bottom rubber gasket 5, screws 6, an upward force F1, a lateral force F2 and a bottom force F3.
Detailed Description
In the azimuth description in this example, in fig. 3, the upper part of fig. 3 is the upper part, the lower part is the lower part, the position close to the axis is the bottom, and the position far from the axis is the top. The following orientations are all based on this.
As shown in fig. 1 to 7, in a glass observation window sealing structure, at least one observation window 105 is provided on a housing 1, the observation window 105 is provided with a first stage 103 for accommodating a glass window cover 3, the glass window cover 3 is a piece of flat glass, preferably a trapezoid, and is placed in a frame formed by the first stage 103;
the top of the first stage 103 is further provided with a second stage 104 connected with the press frame 2, as shown in fig. 2 and 3, the second stage 104 has an inverted "U" structure, and further preferably, as shown in fig. 2, 3 and 8, the second stage 104 has an inverted "U" structure with a narrow upper part and a wide lower part, the upper part and two sides of the second stage 104 are provided with edges, and the bottom of the second stage 104 is open, thereby facilitating the sliding insertion of the press frame 2. In the preferred scheme shown in fig. 2, the pressing frame 2 is a frame body structure with a hollowed-out middle part. The second step 104 is used for accommodating the press frame 2, the fixing ribs 101 at two sides of the observation window 105 are provided with side inner oblique sides, two sides of the press frame 2 are provided with side outer oblique sides 21, and when the press frame is installed, the side outer oblique sides 21 are contacted with the inner oblique sides. With this structure, referring to fig. 7, the press frame 2 and the window cover 3 are press-sealed by the pressure of the side inner oblique edge against the side outer oblique edge 21. The side inner oblique sides in this example refer to oblique sides that are located at both sides of the viewing window 105 and inwardly shrink from bottom to top, and as shown in the cross section of fig. 4, the cross section of the side inner oblique sides is similar to the shape of a dovetail groove. The cross section of the corresponding side outer oblique edge 21 resembles a dovetail shape.
In a preferred embodiment, as shown in figures 2 and 3, a bottom rubber gasket 5 is provided between the glazing cover 3 and the first stage 103; or/and a top rubber gasket 4 is arranged between the press frame 2 and the glass window cover 3. With this construction, a reliable seal between the glazing cover 3 and the first stage 103 and between the press frame 2 and the glazing cover 3 is achieved.
In a preferred embodiment, the observation window 105 is trapezoidal, and the top of the observation window 105 is narrower and the bottom is wider;
correspondingly, the glass window cover 3 and the press frame 2 are both trapezoidal.
In the preferred scheme, a through hole 23 is arranged at the bottom of the press frame 2, a screw hole 102 is arranged at a position corresponding to the second stage 104, and a screw 6 passes through the through hole and is in threaded connection with the screw hole 102.
In the preferred embodiment, as shown in fig. 6, an upper inner oblique edge is provided at the upper part of the second stage 104, and a corresponding upper outer oblique edge 22 is provided at the upper part of the press frame 2.
In a preferred embodiment, the number of the observation windows 105 is plural, and the plurality of observation windows 105 are uniformly distributed along the circumference. With this configuration, the image sensor which is provided inside and can be rotated and tilted can observe the surrounding environment, and the configuration is simplified.
In a preferred embodiment, the plurality of observation windows 105 are multiple layers, and the plurality of observation windows 105 along a circumference of one layer are uniformly distributed, and the observation windows 105 of adjacent layers are staggered.
In a preferred embodiment, the casing 1 is in the shape of a prismatic table, each side of the prismatic table is trapezoidal, the top of the trapezoidal surface is narrower, the bottom is wider, and the observation window 105 is disposed on the trapezoidal surface.
Setting the observation window 105 to be trapezoidal, the respective glazing cover 3, press frame 2, top rubber pad 4 and bottom rubber pad 5 are each trapezoidal in shape so as to facilitate the installation of the entire observation window sealing structure, as shown in fig. 7, in the process of pushing the press frame 2 from bottom to top, upward pushing force generates upward force F1, contact of the side outer oblique side 21 of the press frame 2 with the side inner oblique surface of the fixing rib 101 generates side force F2, and component force of the side force F2 generates bottom force F3, so that the top rubber pad 4, glazing cover 3 and bottom rubber pad 5 are pressed together by the press frame 2. If the shape is rectangular, the pressing frame 2 needs to be pushed from the lower part to the upper part to finish the installation, and the rubber pad is easily damaged in the pushing process, so that the sealing is unreliable. The trapezoid structure is adopted, the bottom rubber pad 5, the glass window cover 3 and the top rubber pad 4 can be firstly installed in place in sequence, then the press frame 2 is installed from a position close to the upper part, and the installation can be completed by pushing a shorter distance. After the press frame 2 is pushed in place, one screw 6 is screwed to stop, and then the installation of the whole glass observation window sealing structure is completed.
In a preferred embodiment, as shown in fig. 8, the casing 1 is in the shape of a multi-layer prismatic table, each surface of each layer prismatic table is trapezoidal, the top of the trapezoidal surface is narrower, the bottom is wider, the observation window 105 is arranged on the trapezoidal surface, and the surfaces of adjacent layers are staggered with each other. With this configuration, the multi-layered image sensor provided therein can observe the surrounding environment at 360 ° without dead angle.
The above-described embodiments are only preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the technical features described in the present invention can be freely combined without collision. The protection scope of the present invention is defined by the claims, and the protection scope includes equivalent alternatives to the technical features of the claims. I.e., equivalent replacement modifications within the scope of this invention are also within the scope of the invention.
Claims (7)
1. A glass observation window sealing structure is characterized in that: at least one observation window (105) is arranged on the shell (1), and the observation window (105) is provided with a first stage (103) for accommodating the glass window cover (3);
the observation window (105) is trapezoid, the top of the observation window (105) is narrower, and the bottom of the observation window is wider;
correspondingly, the glass window cover (3) and the pressing frame (2) are trapezoidal;
the top of the first step (103) is also provided with a second step (104) connected with the pressing frame (2), the second step (104) is used for accommodating the pressing frame (2), the fixing ribs (101) at two sides of the observation window (105) are provided with side inner oblique sides, two sides of the pressing frame (2) are provided with side outer oblique sides (21), and when the pressing frame is installed, the side outer oblique sides (21) are contacted with the side inner oblique sides;
the side inner oblique edges are oblique edges which are positioned at two sides of the observation window (105) and shrink inwards from bottom to top;
a bottom rubber pad (5) is arranged between the glass window cover (3) and the first stage (103);
or/and a top rubber pad (4) is arranged between the pressing frame (2) and the glass window cover (3);
the first stage (103) is positioned on the inner side of the observation window (105), and the second stage (104) is positioned on the outer side of the observation window (105);
the bottom of the pressing frame (2) is provided with a through hole (23), a screw hole (102) is arranged at a position corresponding to the second stage (104), and the screw (6) passes through the through hole and is in threaded connection with the screw hole (102).
2. The glass viewing window sealing structure of claim 1, wherein: the pressing frame (2) is of a frame body structure with a hollowed-out middle part.
3. The glass viewing window sealing structure of claim 1, wherein: an upper inner bevel edge is arranged at the upper part of the second stage (104), and a corresponding upper outer bevel edge (22) is arranged at the upper part of the press frame (2).
4. The glass viewing window sealing structure of claim 1, wherein: the number of the observation windows (105) is multiple, and the observation windows (105) are uniformly distributed along the circumference.
5. The glass viewing window sealing structure of claim 1, wherein: the observation windows (105) are multiple, the multiple observation windows (105) along the circumference of one layer are uniformly distributed, and the observation windows (105) of adjacent layers are mutually staggered.
6. The glass viewing window sealing structure of claim 1, wherein: the shell (1) is in the shape of a frustum, each side face of the frustum is trapezoid, the top of the trapezoid face is narrower, the bottom of the trapezoid face is wider, and the observation window (105) is arranged on the trapezoid face.
7. The glass viewing window sealing structure of claim 1, wherein: the shell (1) is in the shape of a plurality of layers of prismatic tables, each surface of each layer of prismatic table is trapezoid, the top of the trapezoid surface is narrower, the bottom of the trapezoid surface is wider, the observation window (105) is arranged on the trapezoid surface, and the surfaces of adjacent layers are mutually staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092613.2A CN107807450B (en) | 2017-11-08 | 2017-11-08 | Sealing structure for glass observation window |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711092613.2A CN107807450B (en) | 2017-11-08 | 2017-11-08 | Sealing structure for glass observation window |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107807450A CN107807450A (en) | 2018-03-16 |
| CN107807450B true CN107807450B (en) | 2024-01-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711092613.2A Active CN107807450B (en) | 2017-11-08 | 2017-11-08 | Sealing structure for glass observation window |
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| Country | Link |
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| CN (1) | CN107807450B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994010602A2 (en) * | 1992-10-23 | 1994-05-11 | Harald Wurzer | Apparatus for underwater optical viewing |
| CN2177782Y (en) * | 1994-01-04 | 1994-09-21 | 王乾 | Glass built-in window frame |
| CN201915778U (en) * | 2010-08-25 | 2011-08-03 | 一重集团大连设计研究院有限公司 | Glass window quick replacement structure used for excavator driving cab |
| CN105181562A (en) * | 2015-06-09 | 2015-12-23 | 南京交通职业技术学院 | Visualization material test ambient temperature box |
| CN106093043A (en) * | 2016-06-23 | 2016-11-09 | 北方工业大学 | Visual test device for low-temperature liquefied gas |
| CN107102414A (en) * | 2017-03-03 | 2017-08-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of frame-embedded conformal stealthy optical window |
| CN207318858U (en) * | 2017-11-08 | 2018-05-04 | 中船重工中南装备有限责任公司 | Glass window mouth sealing structure |
-
2017
- 2017-11-08 CN CN201711092613.2A patent/CN107807450B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994010602A2 (en) * | 1992-10-23 | 1994-05-11 | Harald Wurzer | Apparatus for underwater optical viewing |
| CN2177782Y (en) * | 1994-01-04 | 1994-09-21 | 王乾 | Glass built-in window frame |
| CN201915778U (en) * | 2010-08-25 | 2011-08-03 | 一重集团大连设计研究院有限公司 | Glass window quick replacement structure used for excavator driving cab |
| CN105181562A (en) * | 2015-06-09 | 2015-12-23 | 南京交通职业技术学院 | Visualization material test ambient temperature box |
| CN106093043A (en) * | 2016-06-23 | 2016-11-09 | 北方工业大学 | Visual test device for low-temperature liquefied gas |
| CN107102414A (en) * | 2017-03-03 | 2017-08-29 | 中国科学院长春光学精密机械与物理研究所 | A kind of frame-embedded conformal stealthy optical window |
| CN207318858U (en) * | 2017-11-08 | 2018-05-04 | 中船重工中南装备有限责任公司 | Glass window mouth sealing structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107807450A (en) | 2018-03-16 |
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