CN212752245U

CN212752245U - Rail transit train radio station with IP54 protection grade

Info

Publication number: CN212752245U
Application number: CN202022048864.4U
Authority: CN
Inventors: 汪习文; 谢作星
Original assignee: Chengdu Dongxin Kechuang Technology Co ltd
Current assignee: Chengdu Dongxin Kechuang Technology Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-03-19
Anticipated expiration: 2030-09-17

Abstract

The utility model provides a rail transit train radio station with IP54 protection level, the purpose is solved current rail transit train radio station encapsulation protective structure crude, and difficult dismantlement, and easily receives the tide and influence radio station life's technical problem. The radio station is additionally provided with a sealing gasket structure between a shell and a back plate, between a screen component and the shell, between a key component and the shell, and between a receiver component and the shell; and a sound-transmitting sealing structure is additionally arranged between the loudspeaker component and the shell. This application improves the holistic protection level of radio station to IP54 effectively through the cooperation of the seal ring structure that adds in the different positions of casing and sound-transparent seal structure to avoid the casing inside to wet, extension radio station life.

Description

Rail transit train radio station with IP54 protection grade

Technical Field

The application relates to the technical field of rail transit train radio station protection, in particular to a rail transit train radio station with an IP54 protection grade.

Background

At present, rail transit train radio stations on the market basically have no waterproof grade or adopt a simple dispensing mode to prevent water. When the train service environment is wet and severe, the radio station without waterproof grade is used for a long time and has the risk of being affected with damp. Meanwhile, the glue dispensing sealing mode causes uneven glue dispensing, longer working hours and difficult disassembly due to the fact that the glue dispensing surface is large and the glue dispensing positions are more.

Disclosure of Invention

To above-mentioned condition, for overcoming prior art's defect, the application provides a track traffic train radio station with IP54 protection level, has solved current track traffic train radio station encapsulation protective structure simple and crude, is difficult to dismantle, and easily receives the tide and influences radio station life's technical problem.

In order to achieve the above object, the present application provides a rail transit train station with IP54 protection level, comprising: a housing and a back plate; a screen component for outputting visual information; the key assembly is used for inputting character information; an earpiece assembly for input of audible information; a speaker assembly for output of auditory information; the screen assembly, the key assembly and the receiver assembly are all fixed in the shell and are provided with contact pieces arranged on the surface of the shell; the back plate and the contact part are respectively provided with a sealing gasket structure; the loudspeaker assembly is fixed inside the shell and is provided with an acoustic transmission sealing structure.

This application seals department and screen subassembly, button subassembly and earphone subassembly and the junction of casing at the casing and adopts seal ring structure, simultaneously, allies oneself with the sound-permeable seal structure isolation speaker subassembly, can improve the holistic protection level in radio station to IP54 effectively to avoid the inside damping of casing, extension radio station life.

In one embodiment disclosed by the application, the front surface of the shell is provided with a screen mounting hole, a key mounting hole, a handle outlet hole and a sound raising hole; the back of the shell is open and is provided with a connecting frame.

In one embodiment disclosed in the present application, the back plate is movably connected to the connecting frame, and a first sealing ring is pressed between the back plate and the connecting frame.

In one embodiment disclosed in the present application, the screen assembly is fixed in the casing and covers the screen mounting hole, and a second sealing ring is pressed between the screen assembly and the inner wall of the front surface of the casing.

In one embodiment disclosed herein, a key assembly includes: the key panel is matched and fixed at the key mounting hole; the key box is arranged in the shell; wherein, press between key panel and the button box and be equipped with the third sealing washer. The third sealing ring is pressed and connected with the key panel and is attached to the inner wall of the front side of the shell.

Because the key panel has the risk of sunken getting into the casing inside when carrying out key operation, consequently, this application adopts the third sealing washer crimping that area coverage is greater than the key panel frame to seal key panel and casing to avoided the inside moisture of casing that leads to because of above-mentioned risk.

In one embodiment disclosed in the present application, the earphone assembly includes a handle outlet front cover plate, and a fourth sealing ring is pressed between the handle outlet front cover plate and the outer wall of the front surface of the housing.

This application adopts four sealing washers to realize that backplate, screen subassembly, button subassembly and earphone subassembly are sealed with the contact of the uncovered/hole site of casing, and sealed effect is stable. Meanwhile, compared with the original dispensing package, the sealing ring compression joint fixing structure has the obvious loading and unloading efficiency advantage.

In one embodiment of the present disclosure, the speaker assembly is fixed in the housing and covers the speaker hole; an acoustic membrane is clamped between the loudspeaker assembly and the inner wall of the front side of the shell.

In one embodiment disclosed in the application, the periphery of the loudspeaker assembly is provided with a fixing frame, and the fixing frame is fixedly connected with the inner wall of the front surface of the shell, so that the sound-transmitting film is positioned below the sound-raising holes.

This application selects the sound-permeable membrane to keep apart outside aqueous vapor according to the mode of action of speaker to fix a position sound-permeable membrane steadily through the fixed frame of speaker subassembly, compromise the normal work of speaker and the sealed dampproofing effect of casing.

In conclusion, the application has the following beneficial effects:

1. this application seals department and screen subassembly, button subassembly and earphone subassembly and the junction of casing at the casing and adopts seal ring structure, simultaneously, allies oneself with the sound-permeable seal structure isolation speaker subassembly, can improve the holistic protection level in radio station to IP54 effectively to avoid the inside damping of casing, extension radio station life.

2. This application adopts four sealing washers to realize that backplate, screen subassembly, button subassembly and earphone subassembly are sealed with the contact of the uncovered/hole site of casing, and sealed effect is stable. Meanwhile, compared with the original dispensing package, the sealing ring compression joint fixing structure has the obvious loading and unloading efficiency advantage.

3. This application selects the sound-permeable membrane to keep apart outside aqueous vapor according to the mode of action of speaker to fix a position sound-permeable membrane steadily through the fixed frame of speaker subassembly, compromise the normal work of speaker and the sealed dampproofing effect of casing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view illustrating an assembly of a backplate according to an embodiment of the present application.

Fig. 2 is a first schematic view of an internal assembly structure of the housing according to the embodiment of the present disclosure.

Fig. 3 is a second schematic view of an internal assembly structure of the housing according to the embodiment of the present application.

Fig. 4 is a schematic view of an external assembly structure of the housing in the embodiment of the present application.

Reference numerals: 1. the loudspeaker comprises a shell, a back plate, a screen assembly, a key assembly, a button panel, a button box, a receiver assembly, a handle outlet front cover plate, a loudspeaker assembly, a first sealing ring, a second sealing ring, a third sealing ring, a fourth sealing ring, a sound-transmitting membrane and a screen assembly, wherein the back plate is 2, the screen assembly is 3, the button assembly is 4, the button panel is 41, the button box is 42, the receiver assembly is 5, the handle outlet front cover plate is 51.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the embodiments of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the embodiments of the present application, it is to be understood that the terms "upper", "lower", "front", "back", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the devices or elements referred to must have specific orientations, be constructed in specific orientations, and be operated, and thus, should not be construed as limiting the embodiments of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the embodiments of the present application, unless otherwise specifically stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the embodiments of the present application can be understood by those of ordinary skill in the art according to specific situations.

In the embodiments of the present application, unless otherwise explicitly specified or limited, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the application. In order to simplify the disclosure of embodiments of the present application, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the embodiments of the application. Moreover, embodiments of the present application may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of brevity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed.

Embodiments of the present application will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 4, the embodiment of the present application provides a rail transit train radio station with an IP54 protection level, which includes a casing 1, a back panel 2, a screen assembly 3, a key assembly 4, a headphone assembly 5, and a speaker assembly 6.

Wherein the content of the first and second substances,

the front surface of the shell 1 is provided with a screen mounting hole, a key mounting hole and a handle wire outlet hole which are distributed for positioning and mounting the screen assembly 3, the key assembly 4 and the receiver assembly 5 and exposing contact elements of the assemblies. The front of the shell 1 is also provided with a sound-raising hole, and the loudspeaker component 6 is arranged in the shell 1 below the sound-raising hole. The back of the shell 1 is provided with an opening, and the opening is provided with a connecting frame.

As shown in fig. 1, a first sealing ring 91 is additionally disposed between the back surface of the housing 1 and the back plate 2. The backboard 2, the first sealing ring 91 and the shell 1 are connected and fixed in a threaded manner, so that two sides of the first sealing ring 91 are respectively tightly attached to the connecting frame and the backboard 2, and the back of the shell is sealed.

As shown in fig. 2, a second sealing ring 92 is additionally disposed between the screen assembly 3 and the inner wall of the housing 1. The screen component 3 and the second sealing ring 92 are fixed with the inner wall of the shell 1 in a threaded manner, so that two sides of the second sealing ring 92 are respectively tightly attached to the shell 1 and the screen component 3, and the inner frame is just connected with the screen mounting hole, so that the screen mounting hole on the front side of the shell is sealed.

As shown in fig. 3, the key assembly 4 includes a key panel 41 and a key case 42, and a third sealing ring 93 is additionally disposed between the key panel 41 and the key case 42. The key panel 41 has a plurality of protruding keys that are exposed at the front surface of the housing 1 in matching with key mounting holes that penetrate the front surface of the housing 1. The key box 42 is screwed and fixed with the inner wall of the casing 1, so that one side of the third sealing ring 93 is tightly attached to the key box 42, and the other side is simultaneously attached to the key panel 41 and the inner wall of the casing 1, thereby realizing the sealing of the key mounting hole of the casing.

As shown in fig. 4, the receiver assembly 5 includes a handle outlet front cover 51, and a fourth sealing ring 94 is added between the handle outlet front cover 51 and the outer wall of the front surface of the housing 1. The handle outlet front cover plate 51 and the fourth sealing ring 94 are fixed with the outer wall of the shell 1 in a threaded manner, so that two sides of the fourth sealing ring 94 are respectively tightly attached to the handle outlet front cover plate 51 and the shell 1, and the handle outlet on the front side of the shell is sealed.

As shown in fig. 3, an acoustic membrane 95 is additionally disposed between the speaker assembly 6 and the inner wall of the housing 1. In order to facilitate fixing, fixing frames are added to both the speaker assembly 6 and the sound-transmitting membrane 95. The speaker unit 6 and the sound-transmitting membrane 95 are fixed to the inner wall of the housing 1 by respective fixing frames, so that the sound-transmitting membrane 95 covers the lower part of the sound-emitting hole, thereby realizing non-contact sealing of the sound-emitting hole on the front side of the housing.

Claims

1. Rail transit train radio station with IP54 protection level, characterized by, includes:

a housing and a back plate;

a screen component for outputting visual information;

the key assembly is used for inputting character information;

an earpiece assembly for input of audible information;

a speaker assembly for output of auditory information;

the screen assembly, the key assembly and the earphone assembly are all fixed in the shell and are provided with contact pieces mounted on the surface of the shell; sealing gasket structures are arranged at the back plate and the contact piece; the loudspeaker assembly is fixed in the shell and is provided with an acoustic transmission sealing structure.

2. The rail transit train radio station with the IP54 protection grade according to claim 1, wherein the front face of the shell is provided with a screen mounting hole, a key mounting hole, a handle outlet hole and a sound raising hole; the back of the shell is open and is provided with a connecting frame.

3. The rail transit train radio station with the IP54 protection grade according to claim 2, wherein the back plate is movably connected with the connecting frame, and a first sealing ring is pressed between the back plate and the connecting frame.

4. The rail transit train station with the IP54 protection grade according to claim 2, wherein the screen assembly is fixed in the housing and covers the screen mounting hole, and a second sealing ring is pressed between the screen assembly and the front inner wall of the housing.

5. The rail transit train radio with IP54 protection rating of claim 2, wherein the key assembly comprises:

the key panel is matched and fixed at the key mounting hole;

the key box is arranged in the shell;

and a third sealing ring is pressed between the key panel and the key box.

6. The railway transit train station with the IP54 protection grade according to claim 5, wherein the third sealing ring is pressed against the key panel and attached to the inner wall of the front surface of the casing.

7. The railway transit train station with the IP54 protection level according to claim 2, wherein the receiver assembly comprises a handle outlet front cover plate, and a fourth sealing ring is pressed between the handle outlet front cover plate and the outer wall of the front surface of the shell.

8. The rail transit train radio with IP54 protection rating of claim 2, wherein the speaker assembly is fixed in the housing and covers the speaker hole; and an acoustic membrane is clamped between the loudspeaker component and the inner wall of the front side of the shell.

9. The rail transit train radio with IP54 protection rating of claim 8, wherein the speaker assembly has a fixing frame at its periphery, and the fixing frame is fixedly connected to the inner wall of the front surface of the housing, so that the sound-permeable membrane is located below the sound-emitting hole.