CN108534814B - Digital measuring element control box with high reliable waterproof and dustproof performance - Google Patents
Digital measuring element control box with high reliable waterproof and dustproof performance Download PDFInfo
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- CN108534814B CN108534814B CN201810306736.XA CN201810306736A CN108534814B CN 108534814 B CN108534814 B CN 108534814B CN 201810306736 A CN201810306736 A CN 201810306736A CN 108534814 B CN108534814 B CN 108534814B
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- upper cover
- sealing ring
- display screen
- base
- bowl
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
- G01D11/24—Housings ; Casings for instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D9/00—Recording measured values
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
本发明公开了一种具有高可靠防水防尘性能的数字化测量元件控制盒。包括上盖和与上盖相配合安装的底座，底座内部用于安装数字化测量元件，底座的顶端面内缘设有向上凸出的座环形凸台，座环形凸台顶部设有外凸缘，上盖的底端面外缘设有向下凸出的盖环形凸台，使得上盖的盖环形凸台与底座的顶端外缘连接并且设置第一密封圈，底座座环形凸台的外凸缘和上盖的内顶面连接并且设置第二密封圈；上盖的窗口处安装有显示屏，显示屏位于上盖和环形压块之间，环形压块固定到上盖内顶面的凸台上，显示屏碗状结构边缘和上盖间设第三密封圈，显示屏碗状结构中间的上表面和上盖间设第四密封圈。本发明控制盒，密封效果更好，能够使用于低压、高湿度、有腐蚀性的环境中。
The invention discloses a digital measuring element control box with highly reliable waterproof and dustproof performance. It includes an upper cover and a base installed in conjunction with the upper cover. The inside of the base is used to install digital measuring components. The inner edge of the top surface of the base is provided with an upwardly protruding annular boss, and the top of the annular boss is provided with an outer flange. The outer edge of the bottom end surface of the upper cover is provided with a cover annular boss protruding downward, so that the cover annular boss of the upper cover is connected to the top outer edge of the base and a first sealing ring is provided, and the outer flange of the annular boss of the base is It is connected to the inner top surface of the upper cover and is provided with a second sealing ring; a display screen is installed at the window of the upper cover, the display screen is located between the upper cover and the annular pressure block, and the annular pressure block is fixed to the boss on the inner top surface of the upper cover On the screen, a third sealing ring is provided between the edge of the bowl-shaped structure of the display screen and the upper cover, and a fourth sealing ring is provided between the upper surface of the bowl-shaped structure of the display screen and the upper cover. The control box of the invention has better sealing effect and can be used in low pressure, high humidity and corrosive environments.
Description
Technical Field
The invention relates to a control box of a mechanical seal, in particular to a digital measuring element control box with high reliable waterproof and dustproof performances.
Background
The invention designs a control box of equipment or instrument working in deep sea, which can isolate oxygen and moisture in the deep sea environment and achieve good waterproof and dustproof sealing effects. Some existing seal boxes have a box body opening wrapped by a seal cover with an airtight edge, and then the seal cover is secured by a strap or buckle. Both the two methods have the problems of complicated use, insufficient waterproof performance and inapplicability to deep water environments. The existing sealing boxes with waterproof performance are mostly provided with only one sealing rubber ring, and the upper cover and the base are connected by sealing screws, so that the sealing performance is not ideal in a deep sea environment.
The control box needs a display screen for viewing the displayed measured values. Here, good sealing properties are required. The contact portion between the upper cover and the base of the control box also needs a better sealing structure.
Disclosure of Invention
In order to solve the problems, the invention provides the digital measuring element control box with high reliability, water resistance and dust resistance, has better sealing effect, and can be used in low-pressure, high-humidity and corrosive environments.
The technical scheme adopted for solving the technical problems is as follows:
the invention comprises an upper cover and a base which is matched and installed with the upper cover, wherein the inside of the base is used for installing a digital measuring element, the inner edge of the top end surface of the base is provided with an upward protruding seat annular boss, the top of the seat annular boss is provided with an outer flange, the outer edge of the bottom end surface of the upper cover is provided with a downward protruding cover annular boss, the upper cover is fixedly sleeved on the top end of the base, the cover annular boss of the upper cover is connected with the outer edge of the top end of the base and provided with a first sealing ring, the outer flange of the seat annular boss of the base is connected with the inner top surface of the upper cover and provided with a second sealing ring, and a buckle structure is formed;
a window is arranged in the middle of the upper cover, a display screen of a bowl-shaped structure is arranged at the window of the upper cover, the display screen is positioned between the upper cover and the annular pressing block, the annular pressing block is fixed on a boss on the inner top surface of the upper cover, a third sealing ring is arranged between the edge of the bowl-shaped structure of the display screen and the upper cover, and a fourth sealing ring is arranged between the upper surface in the middle of the bowl-shaped structure of the display screen and the upper cover.
The upper cover inner top surface be equipped with a plurality of bosss along circumference interval, the boss is located the window periphery, annular briquetting passes through the fix with screw in the boss.
As an improvement of the technical scheme of the invention, because the upper cover is thinner, if the annular pressing block for fixing the display screen is directly connected with the lower surface of the upper cover when being connected with the upper cover, penetration can be caused, and the strength is insufficient. Therefore, a boss with a threaded hole is lifted out of the place connected with the annular pressing block, and the annular pressing block is fixed through screw connection, so that the problem can be effectively avoided.
The end face of the cover annular boss of the upper cover is matched and contacted with the outer edge surface of the top end of the base, and a sealing ring groove arranged on the end face of the cover annular boss is matched with a sealing ring groove arranged on the outer edge surface of the top end and forms a first sealing ring groove for installing a first sealing ring together;
the upper surface of the outer flange of the annular boss of the base seat is matched and contacted with the inner top surface of the upper cover, and the sealing ring groove arranged on the upper surface of the outer flange is matched with the sealing ring groove arranged on the inner top surface and forms a second sealing ring groove for installing a second sealing ring together.
The two sealing rings, namely the first sealing ring and the second sealing ring, between the upper cover and the base are respectively arranged at two sides of the buckle-shaped structure. As an improvement of the technical scheme of the invention, the sealing parts of the control box base and the upper cover are as follows: the folding of the edge of the base and the design of the flange of the upper cover are combined with two sealing rings, so that good sealing performance can be obtained.
The upper surface of the annular pressing block is provided with a bowl-shaped surface shape identical to the lower surface of the display screen bowl-shaped structure, wherein an annular inclined plane and an annular plane of the annular pressing block bowl-shaped surface shape are respectively matched with the outer side wall surface and the bottom surface of the display screen bowl-shaped structure.
As an improvement of the technical scheme of the invention, the edge structure of the annular pressing block for fixing the display screen is the same as that of the display screen, so that the sealing performance is better.
The inner top surface at the edge of the window of the upper cover is provided with a downward extending screen annular boss, the end surface of the screen annular boss is matched with the upper surface in the middle of the bowl-shaped structure of the display screen, the end surface of the screen annular boss is provided with a sealing ring groove for installing a fourth sealing ring, and a third sealing ring is installed between the outer periphery of the end surface of the screen annular boss and the edge of the upper surface of the bowl-shaped structure of the display screen; the edge end face of the display screen bowl-shaped structure is matched with the inner surface of the upper cover.
As an improvement of the technical scheme of the invention, the display screen is bowl-like, and the edge of the display screen is folded and folded to enable the display screen to be matched with the upper cover of the control box, and then the display screen and the upper cover of the control box are combined with two sealing rings to achieve good waterproof and dustproof sealing effects.
The bottom surface inside the base be fixed with little support, the base lateral wall is equipped with plug and fixed plate for the fixed of control box.
The invention has the beneficial effects that:
according to the sealing structure at the display screen of the sealing box, two sealing rings are respectively arranged at the inner sides of the flanges of the display screen and the upper cover and at the contact positions of the flanges and the display screen, and after the display screen is matched with the upper cover of the control box through the bowl-shaped edge turnover structure, the sealing rings are combined to achieve good waterproof and dustproof sealing effects.
In the sealing part of the upper cover and the base, the edge of the base is turned over and the flange of the upper cover is designed, two sealing rings are arranged between the upper cover and the base, and the two sealing rings are respectively arranged on two sides of the buckle-shaped structure and combined with the sealing rings to obtain good sealing performance.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a top view of the overall structure of the present invention;
FIG. 2 is a front elevational view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the overall structure of the present invention;
FIG. 4 is a schematic view of a sealing structure at the joint of the upper cover and the base of the invention;
FIG. 5 is a schematic view of a seal structure at a display screen of the present invention;
fig. 6 is a schematic view of the seal structure of the present invention as a whole.
In the figure: the upper cover 1, the first sealing ring 2, the second sealing ring 3, the base 4, the third sealing ring 5, the fourth sealing ring 6, the display screen 7, the annular pressing block 8, the boss 9, the plug 10, the small bracket 11, the fixed plate 12, the sealing ring groove 13, the top end outer edge surface 14, the cover annular boss end surface 15, the sealing ring groove 16, the outer flange upper surface 17, the inner top surface 18, the sealing ring groove 19, the sealing ring groove 20, the outer side wall surface 21, the edge end surface 22, the inner surface 23, the annular inclined surface 24, the annular plane 25, the bottom surface 26, the sealing ring groove 27, the screen annular boss end surface 28, the upper surface 29 and the screw hole 30.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1 to 3, the invention comprises an upper cover 1 and a base 4 which is matched with the upper cover 1, wherein the inside of the base 4 is used for installing a digital measuring element. As shown in fig. 4, the inner edge of the top end surface of the base 4 is provided with an upward protruding seat ring-shaped boss, the top of the seat ring-shaped boss is provided with an outer flange, the outer edge of the bottom end surface of the upper cover 1 is provided with a downward protruding cover ring-shaped boss, the upper cover 1 is fixedly sleeved on the top end of the base 4, the upper cover and the base are fixed by aluminum alloy glue, the cover ring-shaped boss of the upper cover 1 is connected with the outer edge of the top end of the base 4 and provided with a first sealing ring 2, the outer flange of the seat ring-shaped boss of the base 4 is connected with the inner top surface of the upper cover 1 and provided with a second sealing ring 3 to form a buckle structure, and the base 4 is buckled with the edge of the upper cover 1; a window is arranged in the middle of the upper cover 1, a display screen 7 with a bowl-shaped structure is arranged at the window of the upper cover 1, data displayed on the display screen 7 is observed through the window, the display screen 7 is positioned between the upper cover 1 and an annular pressing block 8, the annular pressing block 8 is fixed on a boss 9 of an inner top surface 18 of the upper cover 1, a third sealing ring 5 is arranged between the edge of the bowl-shaped structure of the display screen 7 and the upper cover 1, and a fourth sealing ring 6 is arranged between the upper surface in the middle of the bowl-shaped structure of the display screen 7 and the upper cover 1.
As shown in fig. 2 and 3, a plurality of bosses 9 are circumferentially arranged on the inner top surface of the upper cover 1 at intervals, the bosses 9 are positioned at the periphery of the window, and the annular pressing block 8 is fixed on the bosses 9 through screws 30.
As shown in fig. 5, the cover annular boss end surface 15 of the upper cover 1 is in mating contact with the top end outer edge surface 14 of the base 4, and the seal ring groove 16 provided on the cover annular boss end surface 15 and the seal ring groove 13 provided on the top end outer edge surface 14 are in mating contact and together form a first seal ring groove for mounting the first seal ring 2; the upper surface 17 of the outer flange of the annular boss of the base 4 is in matched contact with the inner top surface 18 of the upper cover 1, and a sealing ring groove 19 arranged on the upper surface 17 of the outer flange is matched with a sealing ring groove 20 arranged on the inner top surface 18 and forms a second sealing ring groove for installing the second sealing ring 3 together.
In particular, the bowl-shaped structure of the display 7 includes a planar portion as a main body and an annular flange portion connected to the outer edge of the planar portion and folded upward, forming a U-shaped structure as a whole.
The upper surface of the annular pressing block 8 is provided with a bowl-shaped surface shape which is the same as the lower surface of the bowl-shaped structure of the display screen 7, wherein an annular inclined surface 24 and an annular plane 25 of the bowl-shaped surface shape of the annular pressing block 8 are respectively matched with an outer side wall surface 21 and a bottom surface 26 of the bowl-shaped structure of the display screen 7.
As shown in fig. 5 and 6, the inner top surface 18 at the window edge of the upper cover 1 is provided with a downward extending screen annular boss, the end surface 28 of the screen annular boss is matched with the upper surface 29 in the middle of the bowl-shaped structure of the display screen 7, a seal ring groove 27 for installing the fourth seal ring 6 is formed on the end surface 28 of the screen annular boss, a third seal ring 5 is installed between the periphery of the end surface 28 of the screen annular boss and the edge of the upper surface of the bowl-shaped structure of the display screen 7, and the third seal ring 5 is clamped at an inner angle formed between the screen annular boss and the inner top surface 18 of the upper cover 1; the peripheral end surface 22 of the bowl-like structure of the display 7 cooperates with the inner surface 23 of the upper cover 1.
The sealing structure of the control box upper cover 1 and the display screen 7 is provided with two sealing rings 5 and 6 between the upper cover 1 and the display screen 7, an annular pressing block 8 is arranged in the control box, the structure of the annular pressing block is consistent with that of the display screen 7, the upper cover 1, the display screen 7 and the pressing block 8 are matched with each other, and good waterproof and dustproof sealing effects can be achieved by combining the sealing rings 5 and 6. The sealing rings 5 and 6 are U-shaped or V-shaped sealing rings, the sealing surfaces are mutually at a certain angle, and the structure is convenient to install and has certain self-locking property.
In view of corrosion resistance, the materials of the upper cover, the base, the display screen, the pressing block and the bracket in the concrete implementation of the invention are aluminum alloy, organic glass and the like.
The bottom surface of the inside of the base 4 is fixed with a small bracket 11 for placing a measuring element and a circuit board, and the outer side wall of the base 4 is provided with a plug 10 and a fixing plate 12.
For convenient wiring and water and dust prevention, the side surface of the base adopts a watertight connecting plug 10, the inner part and the outer part of the plug are connected by adopting a connecting nut, and the sealing is realized by combining a sealing ring and a sealing ring.
A fixing plate 12 with a threaded hole is provided for fixing the control box. Of course, the invention is not limited to the above-described embodiments, and equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention, and these equivalent modifications and substitutions are intended to be included in the scope of the present invention as defined in the claims.
Claims (6)
1. A digital measurement component control box with high reliable waterproof dustproof performance, its characterized in that:
the digital measuring device comprises an upper cover (1) and a base (4) which is matched with the upper cover (1), wherein the digital measuring element is installed in the base (4), an upward protruding seat annular boss is arranged on the inner edge of the top end face of the base (4), an outer flange is arranged at the top of the seat annular boss, a downward protruding cover annular boss is arranged on the outer edge of the bottom end face of the upper cover (1), the upper cover (1) is fixedly sleeved on the top end of the base (4), the cover annular boss of the upper cover (1) is connected with the outer edge of the top end of the base (4) and provided with a first sealing ring (2), and the outer flange of the seat annular boss of the base (4) is connected with the inner top face of the upper cover (1) and provided with a second sealing ring (3) to form a buckling structure; the upper cover (1) is provided with a window in the middle, a display screen (7) of a bowl-shaped structure is arranged at the window of the upper cover (1), the display screen (7) is positioned between the upper cover (1) and an annular pressing block (8), the annular pressing block (8) is fixed on a boss (9) of an inner top surface (18) of the upper cover (1), a third sealing ring (5) is arranged between the edge of the bowl-shaped structure of the display screen (7) and the upper cover (1), a fourth sealing ring (6) is arranged between the upper surface of the middle of the bowl-shaped structure of the display screen (7) and the upper cover (1), the edge of the bowl-shaped structure of the display screen (7) is an inclined surface around the display screen (7), and the middle of the bowl-shaped structure of the display screen (7) is a plane in the middle of the display screen (7).
2. A digital measuring element control box with highly reliable waterproof and dustproof properties according to claim 1, characterized in that: the inner top surface of the upper cover (1) is provided with a plurality of bosses (9) along the circumferential direction at intervals, the bosses (9) are positioned at the periphery of the window, and the annular pressing block (8) is fixed on the bosses (9) through screws (30).
3. A digital measuring element control box with highly reliable waterproof and dustproof properties according to claim 1, characterized in that: the cover annular boss end face (15) of the upper cover (1) is matched and contacted with the top end outer edge surface (14) of the base (4), and a sealing ring groove (16) arranged on the cover annular boss end face (15) is matched with a sealing ring groove (13) arranged on the top end outer edge surface (14) and forms a first sealing ring groove for installing the first sealing ring (2) together; the outer flange upper surface (17) of the base (4) and the inner top surface (18) of the upper cover (1) are in matched contact, and a sealing ring groove (19) arranged on the outer flange upper surface (17) and a sealing ring groove (20) arranged on the inner top surface (18) are matched and form a second sealing ring groove for installing the second sealing ring (3).
4. A digital measuring element control box with highly reliable waterproof and dustproof properties according to claim 1, characterized in that: the upper surface of the annular pressing block (8) is provided with a bowl-shaped surface shape which is the same as the lower surface of the bowl-shaped structure of the display screen (7), wherein an annular inclined surface (24) and an annular plane (25) of the bowl-shaped surface shape of the annular pressing block (8) are respectively matched with an outer side wall surface (21) and a bottom surface (26) of the bowl-shaped structure of the display screen (7).
5. A digital measuring element control box with highly reliable waterproof and dustproof properties according to claim 1, characterized in that: the inner top surface (18) at the window edge of the upper cover (1) is provided with a downward extending screen annular boss, the end surface (28) of the screen annular boss is matched with the upper surface (29) in the middle of the bowl-shaped structure of the display screen (7), a sealing ring groove (27) for installing a fourth sealing ring (6) is formed in the end surface (28) of the screen annular boss, and a third sealing ring (5) is installed between the outer periphery of the end surface (28) of the screen annular boss and the edge of the upper surface of the bowl-shaped structure of the display screen (7); the edge end surface (22) of the bowl-shaped structure of the display screen (7) is matched with the inner surface (23) of the upper cover (1).
6. A digital measuring element control box with highly reliable waterproof and dustproof properties according to claim 1, characterized in that: the bottom surface inside base (4) be fixed with little support (11), base (4) lateral wall is equipped with plug (10) and 4 fixed plate (12) that open threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306736.XA CN108534814B (en) | 2018-04-08 | 2018-04-08 | Digital measuring element control box with high reliable waterproof and dustproof performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810306736.XA CN108534814B (en) | 2018-04-08 | 2018-04-08 | Digital measuring element control box with high reliable waterproof and dustproof performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108534814A CN108534814A (en) | 2018-09-14 |
| CN108534814B true CN108534814B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810306736.XA Active CN108534814B (en) | 2018-04-08 | 2018-04-08 | Digital measuring element control box with high reliable waterproof and dustproof performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359728A (en) * | 2020-03-15 | 2020-07-03 | 福建美士邦精细陶瓷科技有限公司 | Ceramic powder ball-milling mixing tank and use method thereof |
| CN115020897A (en) * | 2022-07-20 | 2022-09-06 | 天津市捷威动力工业有限公司 | Battery pack and electric device comprising same |
| CN116755063A (en) * | 2023-07-10 | 2023-09-15 | 邯郸钢铁集团有限责任公司 | A waterproof device for high-precision laser range finder in universal rolling mill |
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