CN214101987U

CN214101987U - LoRa wireless device with waterproof function

Info

Publication number: CN214101987U
Application number: CN202022987349.2U
Authority: CN
Inventors: 柯光
Original assignee: Shenzhen Huachuang Hengda Technology Co ltd
Current assignee: Shenzhen Huachuang Hengda Technology Co ltd
Priority date: 2020-12-11
Filing date: 2020-12-11
Publication date: 2021-08-31
Anticipated expiration: 2030-12-11

Abstract

The utility model provides a loRa wireless device with waterproof function, including the casing, locate PCB board in the casing, with the components and parts of PCB board electric connection, the casing includes first face shell and second face shell, first face shell is equipped with annular bulge, second face shell is equipped with the annular spout that corresponds with annular bulge, and still be equipped with O type sealing washer between annular spout and the annular bulge, form the cavity with the second face shell combination through first face shell with hold the PCB board; the first panel shell is provided with a communication interface communicated with the outside and a waterproof cover used for sealing the communication interface, the waterproof cover is provided with an elastic sealing bulge corresponding to the communication interface, and the outer diameter of the elastic sealing bulge is larger than the inner diameter of the communication interface; the waterproof cover is provided with a guide column, the first panel shell is provided with a mounting hole corresponding to the guide column, and the guide column faces the inclined plane is arranged on one side of the mounting hole.

Description

LoRa wireless device with waterproof function

Technical Field

The utility model relates to a loRa technical equipment field especially relates to a loRa wireless device with waterproof function.

Background

loRa possesses multichannel access, frequency switching, adaptive rate, channel management, regularly receives and dispatches, and characteristics such as node access authentication and data encryption, roaming, except still having transmission distance far away, the advantage of low power dissipation in the physical layer, in agricultural informationization, environmental monitoring, intelligence are checked meter, intelligent oil field, the vehicle is tracked, the wisdom industry, the wisdom city, fields such as wisdom community can play important role. Generally, only specific products are installed: such as a water meter, or by using a LoRa base station. However, the existing LoRa wireless device does not consider the use under different application scenarios, especially when the LoRa wireless device may contact water or the ambient humidity is large, the device may be broken down or even damaged due to the lack of good waterproof performance, and thus a LoRa wireless device with a waterproof function is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a loRa wireless device with waterproof function aims at solving the technical problem who mentions in the background art.

The utility model provides a loRa wireless device with waterproof function, including the casing, locate PCB board in the casing, with the components and parts of PCB board electric connection, the casing includes first face shell and second face shell, first face shell is equipped with annular bulge, second face shell is equipped with the annular spout that corresponds with annular bulge, and still be equipped with O type sealing washer between annular spout and the annular bulge, form the cavity with the second face shell combination through first face shell with hold the PCB board;

the first panel shell is provided with a communication interface communicated with the outside and a waterproof cover used for sealing the communication interface, the waterproof cover is provided with an elastic sealing bulge corresponding to the communication interface, and the outer diameter of the elastic sealing bulge is larger than the inner diameter of the communication interface; the waterproof cover is provided with a guide column, the first panel shell is provided with a mounting hole corresponding to the guide column, the guide column faces the mounting hole, one side of the mounting hole is provided with an inclined plane, and the inclined plane is convenient for the guide column to be inserted into the mounting hole.

Furthermore, the first face shell and the second face shell form a mounting groove corresponding to the waterproof cover structure after being combined, and the mounting groove is used for hiding the waterproof cover.

Furthermore, a first buckle is arranged on the first face shell, and a second buckle corresponding to the first buckle is arranged on the second face shell.

Furthermore, a first communication interface and a second communication interface are arranged on the first face shell, the first communication interface is arranged on a first side of the first face shell, and the second communication interface is arranged on a second side, adjacent to the first side, of the first face shell.

The first surface shell is provided with a first pressing piece, the second pressing piece is arranged on the first surface shell, the first pressing piece and the second pressing piece are exposed through the key hole, and one side, facing the elastic body, of each of the first pressing piece and the second pressing piece is provided with a pressing rod; the elastic body comprises a main body and a deformation position which is arranged on the main body and corresponds to the pressure applying rod, one end of the deformation position is in contact with the pressure applying rod, the other end of the deformation position faces the PCB, and when the first pressing piece or the second pressing piece is pressed by external force, the deformation position on the elastic body is driven by the pressure applying rod to deform so as to contact the PCB.

Furthermore, the first pressing piece is an annular key, the second pressing piece is arranged in the middle of the first pressing piece, a first annular baffle corresponding to the key hole is arranged on the first pressing piece, the first annular baffle is used for limiting the movement of the first pressing piece, a second annular baffle corresponding to the inner hole of the first pressing piece is arranged on the second pressing piece, and the second annular baffle is used for limiting the movement of the second pressing piece.

Furthermore, an annular bump corresponding to the outline of the key hole is arranged in the first panel shell, the diameter of the annular bump is larger than that of the key hole, an annular groove corresponding to the annular bump is arranged on one end face of the elastic body, and the other end face of the elastic body is tightly attached to the PCB.

The utility model realizes the first waterproof through arranging the first face shell, the second face shell, the annular bulge, the annular chute and the O-shaped sealing ring; due to the existence of the communication interface, a waterproof cover and a specific structure are arranged to seal the communication interface so as to realize second waterproof; still through set up the inclined plane on waterproof cover's guide post to locate with guide post insertion the mounting hole on the first panel.

Drawings

Fig. 1 is an overall schematic diagram of a LoRa wireless device with waterproof function according to an embodiment of the present invention.

Fig. 2 is an exploded view of the embodiment of fig. 1.

FIG. 3 is an angled configuration of the embodiment of FIG. 1.

Fig. 4 is a cross-sectional view taken about section line a-a in fig. 3.

Fig. 5 is a schematic view of another angle of the embodiment of fig. 1.

Fig. 6 is a cross-sectional view taken about section line B-B in fig. 5.

Fig. 7 is a partially enlarged view of fig. 6 about circle C.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. It is to be understood that the drawings are designed solely for the purposes of illustration and description and not as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; either mechanically or electrically, and may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

It should be further noted that in the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-4, the utility model provides a LoRa wireless device 100 that possesses waterproof function, including the casing, locate PCB board 10 in the casing, with the components and parts that PCB board 10 electricity is connected, the casing includes first panel 20 and second panel 30, first panel 20 is equipped with annular arch 21, second panel 30 be equipped with annular spout 31 that annular arch 21 corresponds, just annular spout 31 with still be equipped with O type sealing washer 40 between the annular arch 21, through first panel 20 with second panel 30 makes up and forms the cavity in order to hold PCB board 10.

As shown in fig. 4, the first panel 20 is provided with a communication interface 22 communicated with the outside and a waterproof cover 50 for sealing the communication interface 22, the communication interface 22 is an opening provided on the first panel 20, and the opening corresponds to a USB interface, a type-c interface or other data communication interfaces provided on a PCB.

The waterproof cover 50 is provided with an elastic sealing bulge 501 corresponding to the communication interface 22, and the outer diameter of the elastic sealing bulge 501 is larger than the inner diameter of the communication interface 22; be equipped with guide post 502 on the waterproof cover 50, be equipped with on the first panel shell 20 with the mounting hole 23 that guide post 502 corresponds, guide post 502 towards one side of mounting hole 23 is equipped with inclined plane 5021, through inclined plane 5021 so that guide post 502 inserts mounting hole 23.

The utility model realizes the first waterproof through arranging the first face shell 20, the second face shell 30, the annular bulge 21, the annular chute 31 and the O-shaped sealing ring 40; due to the existence of the communication interface, the waterproof cover 50 and the specific structure are arranged to seal the communication interface 22 so as to realize a second waterproof function; the guiding column 502 of the waterproof cover 50 is further provided with a slope 5021 to facilitate the insertion of the guiding column 502 into the mounting hole 23 formed on the first panel 20.

Preferably, the first panel 20 and the second panel 30 are combined to form a mounting groove 101 corresponding to the structure of the waterproof cover 50, and the mounting groove 101 is used for hiding the waterproof cover 50, so as to prevent the waterproof cover 50 from protruding out of the outer surface of the device to affect the aesthetic property.

Preferably, a first communication interface and a second communication interface are arranged on the first panel 20, the first communication interface is arranged on a first side of the first panel 20, and the second communication interface is arranged on a second side of the first panel 20 adjacent to the first side.

Referring to fig. 5-6, in the present embodiment, a first buckle 201 is disposed on the first panel shell 20, and a second buckle 301 corresponding to the first buckle 201 is disposed on the second panel shell 30.

In this embodiment, the LoRa wireless device 100 includes the LCD display module 60, be equipped with on the first panel 20 and be used for showing the display window 24 of the LCD display module 60, just the one end of the LCD display module 60 with the PCB board 10 is hugged closely, and the other end with the first panel 20 is hugged closely to realize sealed waterproof.

Referring to fig. 7, the LoRa wireless device 100 includes a key assembly 70, the key assembly 70 includes a first pressing member 71, a second pressing member 72, and an elastic body 73, which are sequentially assembled, the first surface case 20 is provided with a key hole 25, the first pressing member 71 and the second pressing member 72 are exposed through the key hole 25, and one side of the first pressing member 71 and one side of the second pressing member 72 facing the elastic body 73 are provided with a pressing rod 701; the elastic body 73 comprises a main body 731 and a deformation position 732 arranged on the main body 731 and corresponding to the pressing rod 701, one end of the deformation position 732 is in contact with the pressing rod 701, the other end of the deformation position 732 faces the PCB 10, and when an external force presses the first pressing piece 71 or the second pressing piece 72, the deformation position 732 on the elastic body 73 is driven by the pressing rod 701 to deform so as to contact the PCB 10.

Preferably, the first pressing member 71 is an annular key, the second pressing member 72 is disposed in the middle of the first pressing member 71, a first annular blocking plate 711 corresponding to the key hole 25 is disposed on the first pressing member 71, the first annular blocking plate 711 is used for limiting the movement of the first pressing member 71, a second annular blocking plate 721 corresponding to the inner hole of the first pressing member 71 is disposed on the second pressing member 72, and the second annular blocking plate 721 is used for limiting the movement of the second pressing member 72.

Preferably, an annular protrusion 251 corresponding to the key hole 25 is disposed in the first panel 20, and a diameter of the annular protrusion 251 is greater than a diameter of the key hole 25. An annular groove 733 corresponding to the annular bump 251 is arranged on one end face of the elastic body 73, and the other end face of the elastic body 73 is tightly attached to the PCB.

Specifically, the first pressing member 71 is a navigation key, the second pressing member 72 is a confirmation key, and the elastic body 73 is a soft rubber key.

In the present embodiment, the first pressing member 71, the second pressing member 72, the elastic body 73, the first panel 20 and the corresponding matching structure are combined to achieve sealing and waterproofing, and such a combination arrangement is waterproof, so that the key assembly 70 as a whole can be flexibly spliced and pressed in multiple directions.

Throughout the description and claims of this application, the words "comprise/comprises" and the words "have/includes" and variations of these are used to specify the presence of stated features, values, steps or components but do not preclude the presence or addition of one or more other features, values, steps, components or groups thereof.

Some features of the invention, which are, for clarity, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, certain features of the invention, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention should be included in the present invention.

Claims

1. The LoRa wireless device with the waterproof function is characterized by comprising a shell, a PCB arranged in the shell and a component electrically connected with the PCB, wherein the shell comprises a first face shell and a second face shell, the first face shell is provided with an annular bulge, the second face shell is provided with an annular chute corresponding to the annular bulge, an O-shaped sealing ring is further arranged between the annular chute and the annular bulge, and a cavity is formed by combining the first face shell and the second face shell to accommodate the PCB;

2. The LoRa wireless device as claimed in claim 1, wherein the first and second face shells are assembled to form an installation groove corresponding to the waterproof cover structure, and the installation groove is used for hiding the waterproof cover.

3. The LoRa wireless device of claim 1, wherein the first housing is provided with a first latch and the second housing is provided with a second latch corresponding to the first latch.

4. The LoRa wireless device of claim 1, wherein the first housing has a first communication interface and a second communication interface, the first communication interface is disposed on a first side of the first housing, and the second communication interface is disposed on a second side of the first housing adjacent to the first side.

5. The LoRa wireless device of claim 1, further comprising a key assembly, wherein the key assembly comprises a first pressing member, a second pressing member, and an elastic body, the first surface shell is provided with a key hole, the first pressing member and the second pressing member are exposed through the key hole, and a pressing rod is disposed on one side of the first pressing member and one side of the second pressing member facing the elastic body; the elastic body comprises a main body and a deformation position which is arranged on the main body and corresponds to the pressure applying rod, one end of the deformation position is in contact with the pressure applying rod, the other end of the deformation position faces the PCB, and when the first pressing piece or the second pressing piece is pressed by external force, the deformation position on the elastic body is driven by the pressure applying rod to deform so as to contact the PCB.

6. The LoRa wireless device according to claim 5, wherein the first pressing member is an annular key, the second pressing member is disposed in the middle of the first pressing member, and a first annular barrier corresponding to the key hole is disposed on the first pressing member, the first annular barrier is configured to limit movement of the first pressing member, a second annular barrier corresponding to the first pressing member hole is disposed on the second pressing member, and the second annular barrier is configured to limit movement of the second pressing member.

7. The LoRa wireless device of claim 6, wherein an annular protrusion corresponding to the outline of the key hole is arranged in the first panel, the diameter of the annular protrusion is larger than that of the key hole, an annular groove corresponding to the annular protrusion is arranged on one end surface of the elastic body, and the other end surface of the elastic body is tightly attached to the PCB.