CN220960125U - Sealing structure of miniature sensor - Google Patents
Sealing structure of miniature sensor Download PDFInfo
- Publication number
- CN220960125U CN220960125U CN202322877748.7U CN202322877748U CN220960125U CN 220960125 U CN220960125 U CN 220960125U CN 202322877748 U CN202322877748 U CN 202322877748U CN 220960125 U CN220960125 U CN 220960125U
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- sealing
- auxiliary
- shell
- casing
- sealing structure
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- 238000007789 sealing Methods 0.000 title claims description 64
- 238000009434 installation Methods 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 claims description 4
- 238000010030 laminating Methods 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides a microsensor's seal structure, including the casing, open on the casing has the mounting groove that is used for installing electric elements and surrounds the top cap of covering in the casing outside, the top cap lower extreme is equipped with outside extension's auxiliary seal portion, be equipped with on the casing correspond and with auxiliary seal portion contact seal's connecting portion, the casing includes the bottom plate and locates the curb plate of enclosing into the mounting groove on the bottom plate, the top cap includes lid and closes at mounting groove top open-ended lid and around laminating in curb plate lateral wall parcel portion, parcel is in the curb plate upper end outside, the curb plate of parcel lower extreme outwards extends to form connecting portion, the tip of parcel outwards extends to form auxiliary seal portion, auxiliary seal portion pressfitting is on connecting portion.
Description
Technical Field
The utility model relates to the technical field of micro sensors, in particular to a sealing structure of a micro sensor.
Background
The existing miniature sensor is generally installed and sealed in a two-part packaging mode, specifically, a novel sheet type vibration sensor as shown in patent application number CN202310516489.7 comprises a shell, wherein a placing groove, a first electrode and a second electrode which are communicated with the placing groove are arranged on the shell, an inner core which can be communicated with the first electrode and the second electrode through vibration is installed in the placing groove, and the inner core is of a sheet structure and is tiled in the placing groove; the shell is also provided with a top cover which covers the upper part of the opening of the placing groove, and the top cover is connected with the shell in a sealing way; the top cover and the shell in the patent are only in contact with the top cover through the periphery of the placing groove to realize sealing, and the corresponding sensor is small in sealing contact area, so that the sealing performance of the sensor is poor.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provide a sealing structure of a miniature sensor, wherein the sealing performance of the sensor is further improved by increasing the contact area between a top cover and a shell.
The utility model solves the technical problems by adopting the technical scheme that: the sealing structure of the miniature sensor comprises a shell, a mounting groove for mounting an electrical element and a top cover which surrounds and covers the outer side of the shell, wherein an auxiliary sealing part which extends outwards is arranged at the lower end of the top cover, and a connecting part which corresponds to the auxiliary sealing part and is in contact sealing with the auxiliary sealing part is arranged on the shell.
Preferably, the shell comprises a bottom plate and a side plate arranged on the bottom plate and surrounding into a mounting groove, and the top cover comprises a cover part covered at the top opening of the mounting groove and a wrapping part surrounding and attached to the outer side wall of the side plate.
Preferably, the wrapping part wraps the outer side of the upper end of the side plate, the side plate at the lower end of the wrapping part extends to the outer periphery to form the connecting part, the end part of the wrapping part extends outwards to form the auxiliary sealing part, and the auxiliary sealing part is pressed on the connecting part.
Preferably, when the auxiliary sealing part is pressed on the connecting part, the top ends of the side plates are attached to the inner wall of the covering part to form sealing fit.
Preferably, the auxiliary sealing portion is disposed circumferentially around the top cover, and the connecting portion is disposed circumferentially around the lower end of the housing.
Preferably, the auxiliary sealing part is in a plate-shaped structure which is horizontally arranged, and the lower end surface of the auxiliary sealing part is contacted with the upper end surface of the connecting part.
Preferably, the auxiliary sealing portion is integrally formed with the top cover.
Preferably, the connecting portion is integrally formed with the housing.
Preferably, the lower end surface of the connecting part is horizontally arranged and is flush with the lower end surface of the shell.
The beneficial effects of the utility model are as follows: according to the utility model, the auxiliary sealing part extending outwards is arranged on the top cover, meanwhile, the connecting part corresponding to the auxiliary sealing part is arranged on the shell, and the auxiliary sealing part is pressed on the connecting part to realize contact sealing, so that the contact area between the top cover and the shell is increased, and the sealing performance of the miniature sensor is correspondingly provided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
fig. 3 is a schematic structural view of the housing.
Reference numerals illustrate: 1. the shell comprises a shell body, 2, a mounting groove, 3, a top cover, 4, an auxiliary sealing part, 5, a connecting part, 1-1, a bottom plate, 1-2, side plates, 3-1, a covering part, 3-2 and a wrapping part 3-2.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
Referring to fig. 1-3: the embodiment discloses a sealing structure of a miniature sensor, which comprises a shell 1, wherein a mounting groove 2 for mounting an electrical element and a top cover 3 surrounding and covering the outer side of the shell 1 are formed in the shell 1, as shown in fig. 2 and 3, specifically, the shell 1 comprises a bottom plate 1-1 and a side plate 1-2 arranged on the bottom plate 1-1 and surrounding to form the mounting groove 2, the top cover 3 comprises a cover part 3-1 covered on the top opening of the mounting groove 2 and a wrapping part 3-2 surrounding and attached to the outer side wall of the side plate 1-2, when the miniature sensor is used, the corresponding electrical element is mounted in the mounting groove 2, and the top cover 3 is wrapped on the outer side of the upper end of the shell 1, so that the mounting groove 2 is sealed;
In this embodiment, as shown in fig. 1 and 2, in order to further enhance the sealing effect on the mounting groove 2, an auxiliary sealing portion 4 extending outwards is provided at the lower end of the top cover 3, and meanwhile, a connecting portion 5 corresponding to the auxiliary sealing portion 4 and in contact with the auxiliary sealing portion 4 is provided on the housing 1, so that the sealing performance of the micro sensor is further improved through the contact sealing between the auxiliary sealing portion 4 and the connecting portion 5; further, as shown in fig. 3, the connecting portion 5 is integrally formed with the housing 1, and the auxiliary sealing portion 4 is integrally formed with the top cover 3; specifically, the wrapping part 3-2 wraps the outer side of the upper end of the side plate 1-2, the side plate 1-2 at the lower end of the wrapping part 3-2 extends outwards to form the connecting part 5, the end part of the wrapping part 3-2 extends outwards to form the auxiliary sealing part 4, the auxiliary sealing part 4 is arranged around the top cover 3 for one circle, and the connecting part 5 is arranged at the lower end of the shell 1 and also arranged around the shell 1 for one circle; the auxiliary sealing portion 4 may be a flat plate structure gradually inclined downward from inside to outside, and the upper end surface of the corresponding connecting portion 5 is attached to the auxiliary sealing portion 4.
As shown in fig. 2, in order to facilitate the processing of the housing 1 and the top cover 3, the auxiliary sealing portion 4 in the embodiment has a plate structure that is horizontally arranged, the lower end surface of the auxiliary sealing portion 4 is in contact with the upper end surface of the connecting portion 5, and the auxiliary sealing portion 4 is pressed on the connecting portion 5, so as to realize the contact sealing between the auxiliary sealing portion 4 and the connecting portion 5;
Further, as shown in fig. 2, in this embodiment, when the auxiliary sealing portion 4 is pressed onto the connecting portion 5, the top ends of the side plates 1-2 are attached to the inner wall of the covering portion 3-1 to form a sealing fit, so that the contact area between the housing 1 and the top cover 3 is further increased, and the tightness of the mounting groove 2 is further improved, so that the air tightness of the micro sensor is better.
When the miniature sensor in the embodiment is installed, the lower end face of the shell 1 is contacted with the circuit installation face of the circuit board; in order to facilitate the installation of the housing 1, the lower end surface of the connection portion 5 may be horizontally disposed and disposed flush with the lower end surface of the housing 1 or higher than the lower end surface of the housing 1.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (9)
1. The utility model provides a microsensor's seal structure, includes casing (1), opens on casing (1) has mounting groove (2) and top cap (3) that surround and cover in casing (1) outside that are used for installing electric elements, characterized by: the top cover (3) lower extreme is equipped with the auxiliary seal portion (4) of outwards extending, be equipped with on the casing (1) with auxiliary seal portion (4) correspond and with auxiliary seal portion (4) contact sealed connecting portion (5).
2. The sealing structure of a microsensor according to claim 1, wherein: the shell (1) comprises a bottom plate (1-1) and a side plate (1-2) arranged on the bottom plate (1-1) and surrounding the installation groove (2), and the top cover (3) comprises a covering part (3-1) covered on the top opening of the installation groove (2) and a wrapping part (3-2) surrounding and attached to the outer side wall of the side plate (1-2).
3. The sealing structure of a microsensor according to claim 2, wherein: the packaging part (3-2) is packaged on the outer side of the upper end of the side plate (1-2), the side plate (1-2) at the lower end of the packaging part (3-2) extends outwards to form the connecting part (5), the end part of the packaging part (3-2) extends outwards to form the auxiliary sealing part (4), and the auxiliary sealing part (4) is pressed on the connecting part (5).
4. A micro-sensor sealing structure according to claim 3, characterized in that: when the auxiliary sealing part (4) is pressed on the connecting part (5), the top ends of the side plates (1-2) are attached to the inner wall of the covering part (3-1) to form sealing fit.
5. A micro-sensor sealing structure according to any one of claims 1-4, characterized in that: the auxiliary sealing part (4) is arranged around the top cover (3) in a circle, and the connecting part (5) is arranged at the lower end of the shell (1) in a circle around the shell (1).
6. The sealing structure of a microsensor according to claim 1, wherein: the auxiliary sealing part (4) is of a plate-shaped structure which is horizontally arranged, and the lower end face of the auxiliary sealing part (4) is in contact with the upper end face of the connecting part (5).
7. The sealing structure of a microsensor according to claim 1, wherein: the auxiliary sealing part (4) and the top cover (3) are integrally formed.
8. The sealing structure of a microsensor according to claim 1, wherein: the connecting part (5) and the shell (1) are integrally formed.
9. The sealing structure of a microsensor according to claim 1, wherein: the lower end face of the connecting part (5) is horizontally arranged and is flush with the lower end face of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322877748.7U CN220960125U (en) | 2023-10-26 | 2023-10-26 | Sealing structure of miniature sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322877748.7U CN220960125U (en) | 2023-10-26 | 2023-10-26 | Sealing structure of miniature sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220960125U true CN220960125U (en) | 2024-05-14 |
Family
ID=91011976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322877748.7U Active CN220960125U (en) | 2023-10-26 | 2023-10-26 | Sealing structure of miniature sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220960125U (en) |
-
2023
- 2023-10-26 CN CN202322877748.7U patent/CN220960125U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |