CN219642384U - Waterproof mechanism of air cabin and geomagnetic induction apparatus - Google Patents
Waterproof mechanism of air cabin and geomagnetic induction apparatus Download PDFInfo
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- CN219642384U CN219642384U CN202320351057.0U CN202320351057U CN219642384U CN 219642384 U CN219642384 U CN 219642384U CN 202320351057 U CN202320351057 U CN 202320351057U CN 219642384 U CN219642384 U CN 219642384U
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- 230000006698 induction Effects 0.000 title claims abstract description 41
- 230000007246 mechanism Effects 0.000 title claims abstract description 40
- 239000004568 cement Substances 0.000 claims description 5
- 238000005266 casting Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008439 repair process Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 238000000034 method Methods 0.000 description 11
- 238000009434 installation Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
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Abstract
The utility model provides a waterproof mechanism of an air cabin and a geomagnetic induction device, and relates to the technical field of geomagnetic induction devices. The air cabin waterproof mechanism comprises a first waterproof shell and a second waterproof shell; the second waterproof shell is provided with a second opening, and the first waterproof shell is positioned in the second opening and is provided with a first opening; the first opening and the second opening are oppositely arranged. The air cabin waterproof mechanism solves the technical problems of poor waterproof effect, long production period, complex operation or difficult repair of waterproof measures of a geomagnetic induction device in the prior art.
Description
Technical Field
The utility model relates to the technical field of geomagnetic induction devices, in particular to a waterproof mechanism of an air cabin and the geomagnetic induction device.
Background
The geomagnetic sensing device is commonly used for detecting the service condition of a roadside parking space of an urban road, and the purpose of vehicle detection is achieved by analyzing the influence of vehicles on the earth magnetic field when entering and exiting the parking space. At present, the geomagnetic induction device is generally buried, when the geomagnetic induction device is installed, an installation pit is required to be dug on the ground, then the geomagnetic induction device is installed in the pit, and if the geomagnetic induction device rains or washes a parking lot, sewage is easy to infiltrate into the installation pit from the ground. The existing geomagnetic induction device generally adopts the following waterproof measures: a sealing ring is arranged between the shell and the cover body to achieve a waterproof effect, but the sealing ring is easy to damage, so that the waterproof performance of the geomagnetic induction device is poor; or, the electronic device in the geomagnetic induction device is filled with glue, so that the problems of long production period, complex operation and difficult repair exist; or, the shell and the cover body are welded by ultrasonic waves, but poor welding is not easy to detect, so that the problem of water inflow caused by easy cracking in the using process is caused.
Disclosure of Invention
The utility model aims to provide a waterproof mechanism of an air cabin and a geomagnetic induction device, which are used for solving the technical problems of poor waterproof effect, long production period, complex operation or difficult repair of waterproof measures of the geomagnetic induction device in the prior art.
In order to solve the technical problems, the technical scheme provided by the utility model is as follows:
in a first aspect, the utility model provides a waterproof mechanism for an air cabin, comprising a first waterproof shell and a second waterproof shell;
the second waterproof shell is provided with a second opening, and the first waterproof shell is positioned in the second opening and is provided with a first opening;
the first opening and the second opening are oppositely arranged.
Still further, the method further comprises the steps of,
the bottom wall of the second opening is provided with a groove and a limiting piece;
the limiting piece is arranged on the periphery of the groove in a surrounding mode, and the first waterproof shell is inserted between the side wall of the second opening and the limiting piece.
Still further, the method further comprises the steps of,
the bottom wall of the second opening is provided with a supporting piece, and the supporting piece stretches into the first opening.
Still further, the method further comprises the steps of,
the inner wall of the second opening is detachably connected or fixedly connected with the outer wall of the first waterproof shell.
Still further, the method further comprises the steps of,
the first waterproof shell is integrally formed.
In a second aspect, the present utility model provides a geomagnetic induction apparatus, which includes a waterproof mechanism for an air chamber as set forth in any one of the above.
Still further, the method further comprises the steps of,
the geomagnetic induction device comprises an electronic element;
the electronic component is mounted within a first opening in the air chamber waterproof mechanism.
Still further, the method further comprises the steps of,
the electronic component is connected with the bottom wall of the first opening.
Still further, the method further comprises the steps of,
the geomagnetic induction device further comprises a fixed shell, wherein the fixed shell is provided with a third opening, and the bottom wall of the third opening is arranged on the ground;
the second waterproof shell of the air cabin waterproof mechanism is installed in the third opening, and the second opening of the second waterproof shell is in the same direction as the opening of the third opening.
Still further, the method further comprises the steps of,
the fixed shell is made by cement pouring.
In summary, the technical effects achieved by the utility model are analyzed as follows:
the utility model provides a waterproof mechanism of an air cabin, which comprises a first waterproof shell and a second waterproof shell; the second waterproof shell is provided with a second opening, and the first waterproof shell is positioned in the second opening and is provided with a first opening; the first opening and the second opening are oppositely arranged. The air cabin waterproof mechanism is applied to a geomagnetic induction device, a second waterproof shell is embedded in the ground, the opening direction of the second opening is upward, the second waterproof shell is located in the second opening, the opening direction of the first opening is downward, and an electronic element of the geomagnetic induction device is placed in the first opening. The first waterproof shell is reversely buckled in the second opening, when water flows into the space between the outer wall of the first waterproof shell and the inner wall of the second opening, a sealed air cavity is formed in the first opening, and the pressure in the sealed air cavity is larger than the external air pressure; if the water flow flows into the first opening, the air in the first opening needs to be extruded, but the air pressure in the sealed air cavity is larger than the external air pressure, and the water flow cannot extrude the air in the sealed air cavity, so that the water flow cannot flow into the first opening, and the protection of the electronic element positioned in the first opening is realized. The air cabin waterproof mechanism utilizes the sealed space to carry out waterproof protection on the electronic element, has good waterproof performance, only comprises two parts of the first waterproof shell and the second waterproof shell, has short production period, and is simple to operate and repair.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a waterproof mechanism of an air cabin according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a waterproof mechanism for an air cabin according to an embodiment of the present utility model;
fig. 3 is a schematic structural view of a first waterproof housing in the air cabin waterproof mechanism according to the embodiment of the present utility model;
fig. 4 is a schematic structural view of a second waterproof housing in the air cabin waterproof mechanism according to the embodiment of the present utility model;
fig. 5 is a schematic structural diagram II of a waterproof mechanism of an air cabin according to an embodiment of the present utility model;
fig. 6 is a schematic structural diagram III of a waterproof mechanism of an air cabin according to an embodiment of the present utility model;
fig. 7 is a schematic structural diagram of a fixed housing in a geomagnetic induction apparatus according to an embodiment of the present utility model.
Icon:
100-a first waterproof housing; 110-a first opening; 200-a second waterproof housing; 210-a second opening; 220-grooves; 230-a limiting piece; 240-support; 300-an electronic component; 400-a fixed housing; 410-third opening.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal," "vertical," "overhang," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.
Example 1
The geomagnetic sensing device is commonly used for detecting the service condition of roadside parking spaces of urban roads, and the purpose of vehicle detection is achieved by analyzing the influence of vehicles on the earth magnetic field when passing through roads. At present, the earth-magnetic induction device is generally buried, and during installation, an installation pit is required to be dug on the ground, then the earth-magnetic induction device is installed in the pit, if raining or when wasing the parking area, sewage is easy to infiltrate into the installation pit from the ground, and when the waterproof measure effect of earth-magnetic induction device is poor, rivers can get into the inside of earth-magnetic induction device, lead to devices such as internal circuit board to damage, and the product breaks down. The existing geomagnetic induction device generally adopts the following waterproof measures: a sealing ring is arranged between the shell and the cover body to achieve a waterproof effect, but the sealing ring is easy to damage, so that the waterproof performance of the geomagnetic induction device is poor; or, the electronic device in the geomagnetic induction device is filled with glue, so that the problems of long production period, complex operation and difficult repair exist; or, the shell and the cover body are welded by ultrasonic waves, but poor welding is not easy to detect, so that the problem of water inflow caused by easy cracking in the using process is caused.
In view of this, the air chamber waterproof mechanism provided in the embodiment of the present utility model includes a first waterproof housing 100 and a second waterproof housing 200; referring to fig. 3 and 4, the second waterproof housing 200 has a second opening 210, and the first waterproof housing 100 is located in the second opening 210 and has a first opening 110; the first opening 110 and the second opening 210 are disposed opposite to each other. The waterproof mechanism of the air cabin is applied to a geomagnetic induction device, the second waterproof housing 200 is embedded in the ground, the opening direction of the second opening 210 is upward, the second waterproof housing 200 is positioned in the second opening 210, the opening direction of the first opening 110 is downward, and the electronic component 300 of the geomagnetic induction device is placed in the first opening 110. Referring to fig. 1, the first waterproof housing 100 is inversely buckled in the second opening 210, and the upper edge of the second waterproof housing 200 is higher than the lower edge of the first waterproof housing 100, when water flows between the outer wall of the first waterproof housing 100 and the inner wall of the second opening 210, a sealed air cavity is formed in the first opening 110, and the pressure in the sealed air cavity is greater than the external air pressure; if the water flows into the first opening 110, the air in the first opening 110 needs to be extruded, but the air pressure in the sealed air cavity is greater than the external air pressure, and the water cannot extrude the air in the sealed air cavity, so that the water cannot flow into the first opening 110, and the protection of the electronic component 300 located in the first opening 110 is realized. The air cabin waterproof mechanism utilizes the sealed space to carry out waterproof protection on the electronic element 300, has good waterproof performance, only comprises two parts of the first waterproof shell 100 and the second waterproof shell 200, and has short production period and simple operation and repair.
The structure and shape of the air chamber waterproof mechanism are described in detail below:
in an alternative embodiment of the present utility model, the inner wall of the second opening 210 is detachably connected to the outer wall of the first waterproof case 100.
Specifically, referring to fig. 2, 5 and 6, the first waterproof housing 100 is inversely fastened in the second opening 210 of the second waterproof housing 200. The inner wall of the second opening 210 may be screwed, screwed or detachably connected with the outer wall of the first waterproof case 100 by means of screws or the like.
The inner wall of the second opening 210 is detachably connected with the outer wall of the first waterproof housing 100, so that replacement and maintenance of the first waterproof housing 100 or the second waterproof housing 200 are facilitated.
As another embodiment, the inner wall of the second opening 210 is fixedly connected with the outer wall of the first waterproof case 100.
Specifically, the inner wall of the second opening 210 may be fixedly connected to the outer wall of the first waterproof housing 100 by bonding, ultrasonic welding, interference fit, or the like.
The inner wall of the second opening 210 is fixedly connected with the outer wall of the first waterproof case 100, and the connection strength between the two is improved.
In an alternative embodiment of the present utility model, the first waterproof case 100 is integrally formed.
Specifically, injection molding is performed using a mold, forming the first waterproof housing 100 having the first opening 110. Of course, the first waterproof housing 100 may also be made by sheet metal stretching, machining, or manual manufacturing.
The first waterproof housing 100 is integrally formed, so that the tightness of the first waterproof housing 100 is ensured, and when the first waterproof housing 100 is reversely buckled in the second opening 210 of the second waterproof housing 200 and moisture is filled between the outer wall of the first waterproof housing 100 and the second opening 210, a sealed air cavity is formed in the first opening 110.
In an alternative embodiment of the present utility model, the bottom wall of the second opening 210 is provided with a groove 220 and a limiting member 230; the limiting member 230 is disposed around the periphery of the groove 220, and the first waterproof housing 100 is inserted between the side wall of the second opening 210 and the limiting member 230.
Specifically, referring to fig. 6, the second opening 210 and the first opening 110 are provided in a circular shape in cross section; of course, it is also within the scope of the present utility model to provide the second opening 210 and the first opening 110 with square cross sections, etc.
The bottom wall of the second opening 210 is provided with a groove 220, so that the internal space of the air cabin waterproof mechanism is increased; the bottom wall of the second opening 210 is provided with a limiting member 230, and the limiting member 230 prevents water from flowing into the groove 220.
In an alternative embodiment of the present utility model, the bottom wall of the second opening 210 is provided with a supporting member 240, and the supporting member 240 extends into the first opening 110.
Specifically, referring to fig. 5, the support 240 is provided with a plurality of supports; when the cross section of the second opening 210 is provided in a circular shape, the plurality of supports 240 are spaced apart along the circumference of the second opening 210; when the cross section of the second opening 210 is provided in a square shape, the plurality of supporting pieces 240 are provided at intervals in the width direction and the length direction of the second opening 210.
When the air cabin waterproof mechanism is used, the electronic element 300 of the geomagnetic induction device is placed at one end of the support 240, which is away from the bottom wall of the second opening 210; because the supporting member 240 extends into the first opening 110, the supporting member 240 supports the electronic component 300 and the electronic component 300 is located in the first opening 110, so that the electronic component 300 is protected from water. The support members 240 are provided with a plurality of support members, so that the support effect of the support members 240 on the electronic component 300 is improved, and the electronic component 300 is prevented from falling askew.
In an alternative embodiment of the present utility model, the support 240 is fixedly connected with the second waterproof case 200.
Specifically, in the present embodiment, the support 240 is ultrasonically welded to the bottom wall of the second opening 210; of course, it is within the scope of the present utility model to connect the support 240 to the bottom wall of the second opening 210 by other connection methods, such as bonding, etc.
The supporting member 240 is fixedly coupled with the second waterproof case 200, improving the coupling strength therebetween.
Example two
The geomagnetic induction device provided by the embodiment of the utility model comprises the air cabin waterproof mechanism in the first embodiment, so that all the beneficial effects in the first embodiment are also achieved, and the description is omitted.
In an alternative embodiment of the present utility model, the geomagnetic induction apparatus includes an electronic component 300; the electronic component 300 is mounted within the first opening 110 in the air chamber waterproof mechanism.
Specifically, referring to fig. 2 and 5, the electronic component 300 is fixed at a position higher than the lower edge of the first waterproof case 100, so that the electronic component 300 is located in the first opening 110.
When water flows between the outer wall of the first waterproof housing 100 and the inner wall of the second opening 210, a sealed air cavity is formed in the first opening 110, and the pressure in the sealed air cavity is greater than the external air pressure; if the water flow flows into the first opening 110, the air in the first opening 110 needs to be extruded, but the air pressure in the sealed air cavity is greater than the external air pressure, and the water flow cannot extrude the air in the sealed air cavity, so that the water flow cannot flow into the first opening 110; since the electronic component 300 is mounted in the first opening 110 in the air chamber waterproof mechanism, protection of the electronic component 300 is achieved.
As an embodiment, the electronic component 300 is connected to the bottom wall of the first opening 110.
Specifically, referring to fig. 2, the electronic component 300 is integrated on the bottom wall of the first opening 110 of the first waterproof case 100, and the thickness of the electronic component 300 is smaller than the depth of the first opening 110.
The electronic component 300 is connected to the bottom wall of the first opening 110, so that the electronic component 300 is located in the first opening 110.
As another embodiment, the bottom wall of the second opening 210 is provided with a supporting member 240, and the supporting member 240 extends into the first opening 110; the electronic component 300 is mounted to an end of the support 240 facing away from the bottom wall of the second opening 210.
Specifically, referring to fig. 5, the electronic component 300 is mounted on top of the plurality of supports 240.
The support 240 supports the electronic component 300 such that the electronic component 300 is positioned in the first opening 110.
As another embodiment, when the bottom of the second opening 210 is provided with the groove 220 and the stopper 230, the electronic component 300 is mounted in the groove 220.
Specifically, referring to fig. 6, when water is filled between the outer wall of the first waterproof case 100 and the inner wall of the second opening 210, a sealed air chamber is formed in the first waterproof case 100, and water flow cannot flow into the first opening 110; and the limiting member 230 can further prevent the water flow from flowing into the recess 220, the electronic component 300 is mounted in the recess 220.
In an alternative of the embodiment of the present utility model, the geomagnetic induction apparatus further includes a fixed housing 400, please refer to fig. 7, the fixed housing 400 has a third opening 410, and the bottom wall of the third opening 410 is configured to be installed on the ground; the second waterproof housing 200 of the air chamber waterproof mechanism is installed in the third opening 410, and the second opening 210 of the second waterproof housing 200 is in the same direction as the opening of the third opening 410.
Specifically, referring to fig. 2, 5 and 6, the geomagnetic sensing device is buried, and an installation pit is dug on the ground during installation; mounting the fixed housing 400 in the mounting hole, and the opening direction of the third opening 410 of the fixed housing 400 is identical to the opening direction of the mounting hole; installing the second waterproof housing 200 of the air chamber waterproof mechanism in the third opening 410, wherein the opening direction of the second opening 210 is consistent with the opening direction of the third opening 410; the electronic component 300 is mounted in the first waterproof case 100 or on the support 240 of the second waterproof case 200, and the first waterproof case 100 is flip-buckled in the second waterproof case 200.
The fixing housing 400 protects and fixes the air chamber waterproof mechanism.
In an alternative embodiment of the present utility model, the fixed housing 400 is made by cement casting.
Specifically, referring to fig. 2, 5 and 6, cement is poured between the second waterproof housing 200 and the inner wall of the installation pit to form a fixed housing 400. The space between the second waterproof housing 200 and the inner wall of the installation pit may also be filled with marble glue, structural glue, or the like, or the second waterproof housing 200 is in an expansion tight fit with the inner wall of the installation pit.
The fixing housing 400 is made of cement casting, and strength of the fixing housing 400 is improved.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A waterproof mechanism for an air chamber, comprising: a first waterproof case (100) and a second waterproof case (200);
the second waterproof housing (200) has a second opening (210), the first waterproof housing (100) is located within the second opening (210) and has a first opening (110);
the first opening (110) and the second opening (210) are disposed opposite.
2. The waterproof mechanism of the air cabin according to claim 1, wherein the bottom wall of the second opening (210) is provided with a groove (220) and a stopper (230);
the limiting piece (230) is arranged around the periphery of the groove (220), and the first waterproof shell (100) is inserted between the side wall of the second opening (210) and the limiting piece (230).
3. The air chamber waterproof mechanism according to claim 1, wherein the bottom wall of the second opening (210) is provided with a support (240), the support (240) extending into the first opening (110).
4. The air chamber waterproof mechanism according to claim 1, wherein an inner wall of the second opening (210) is detachably connected or fixedly connected with an outer wall of the first waterproof housing (100).
5. The air chamber waterproof mechanism according to claim 1, wherein the first waterproof housing (100) is integrally formed.
6. A geomagnetic induction apparatus, comprising the air chamber waterproof mechanism as set forth in any one of claims 1 to 4.
7. The geomagnetic induction apparatus according to claim 6, wherein the geomagnetic induction apparatus comprises an electronic component (300);
the electronic component (300) is mounted within a first opening (110) in the air chamber waterproof mechanism.
8. The geomagnetic induction apparatus according to claim 7, wherein the electronic component (300) is connected to a bottom wall of the first opening (110).
9. The geomagnetic induction apparatus according to claim 6, further comprising a stationary housing (400), the stationary housing (400) having a third opening (410) and being configured such that a bottom wall of the third opening (410) is mounted to the ground;
the second waterproof shell (200) of the air cabin waterproof mechanism is installed in the third opening (410), and the second opening (210) of the second waterproof shell (200) and the third opening (410) are in the same opening direction.
10. The geomagnetic induction apparatus according to claim 9, wherein the fixed housing (400) is made by cement casting.
Priority Applications (1)
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CN202320351057.0U CN219642384U (en) | 2023-02-23 | 2023-02-23 | Waterproof mechanism of air cabin and geomagnetic induction apparatus |
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CN202320351057.0U CN219642384U (en) | 2023-02-23 | 2023-02-23 | Waterproof mechanism of air cabin and geomagnetic induction apparatus |
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CN202320351057.0U Active CN219642384U (en) | 2023-02-23 | 2023-02-23 | Waterproof mechanism of air cabin and geomagnetic induction apparatus |
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