CN212752353U

CN212752353U - High waterproof digital cluster handheld station

Info

Publication number: CN212752353U
Application number: CN202022036546.6U
Authority: CN
Inventors: 王得道; 汪习文
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 high waterproof digital cluster handheld station, including front shell, earphone subassembly, PTT keypad, send and receive mainboard and backshell, the front upper and lower part of front shell has LCD lens, speaker loudspeaker to bond through the point glue respectively, PTT keypad is through the keypad DOME piece pressure equipment with ponding gum on the front shell left surface upper portion; the earphone subassembly passes through ponding gum laminating in the front of the shell inside and be located the LCD lens top, and the receiving and dispatching mainboard is arranged in the front shell in and is installed on the shell of back through the screw, and the shell of back passes through main sealing washer and preceding shell sealing connection. Compared with the prior art, the utility model discloses following beneficial effect has: the connection among each part combines a plurality of waterproof modes such as point glue, ponding gum and sealing washer, has avoided the defect of single waterproof mode, has improved handheld platform's waterproof grade, can reach IP67 rank finally, has reduced product reworking and disability rate to production efficiency has been improved.

Description

High waterproof digital cluster handheld station

Technical Field

The utility model relates to a mobile communication terminal equipment technical field, concretely relates to high waterproof digital cluster handheld station.

Background

At present, the handheld waterproof construction of digital cluster on the market mainly adopts the mode of gluing waterproof or the mode of adopting complicated sealing washer, but these two kinds of modes all have some less not enough: on one hand, the reliability and stability of the glue are not good, a large amount of jig equipment is needed for glue dispensing, and water leakage points can occur on the glue in consideration of solidification shrinkage, adhesive force and other problems; on the other hand, the sealing ring has no flowability of dispensing, the complex sealing ring has extremely high requirements on the assembly process, and once the sealing ring is not installed in place, water leakage points can also occur; and in the third aspect, the two modes are low in assembly efficiency and high in rejection rate, and the waterproof grade of the product obtained by adopting a single mode can only reach the IP54 grade.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high waterproof digital cluster handheld station, combine a plurality of waterproof modes such as point, ponding gum and sealing washer, improved handheld station's waterproof grade, finally can reach the IP67 rank.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a high waterproof digital cluster handheld station, including front shell, earphone subassembly, PTT keypad, send and receive mainboard and backshell, the front upper and lower part of front shell is glued through the point respectively and is glued LCD lens, speaker loudspeaker, the PTT keypad is through the keypad DOME piece pressure equipment that has ponding gum on the front shell left surface upper portion; the earphone subassembly is in through ponding gum laminating inside just being located of preceding shell the LCD lens top, the transceiver mainboard is arranged in just through the mounting screw in the preceding shell on the backshell, the backshell pass through main seal circle with preceding shell sealing connection.

Furthermore, the earphone assembly comprises an earphone and a fixing frame, the periphery of the earphone is bonded on the fixing frame through glue, and the fixing frame is attached to the inside of the front shell through accumulated water and back glue; and the front upper part of the front shell is provided with a sound transmission hole, and the sound transmission hole is positioned on one side of the earphone component and is adhered with a waterproof sound transmission membrane.

Furthermore, an antenna head and an encoder are arranged at the top of the transceiver mainboard at intervals, and the antenna head and the encoder are respectively connected with the top of the front shell in a sealing mode through sealing rings.

Furthermore, the backshell indent is equipped with battery installation storehouse, the positive upper portion in battery installation storehouse is equipped with the mounting hole that the battery connector passed, the cover has waterproof sealing washer on the mounting hole, the sealing washer top is in around the battery connector, the battery connector is located on the transceiver mainboard.

Furthermore, the middle of the front surface of the battery installation bin is provided with a vent hole, and a waterproof breathable film is pasted on the vent hole.

Furthermore, the lower part of the front surface of the battery installation bin is provided with an encryption card installation hole, and the encryption card installation hole is sealed by sticking a card cover sealing ring on a TF card cover.

The loudspeaker comprises a front shell, a front shell and a keyboard plate, wherein the front shell is provided with a front side surface, the front side surface is provided with a left side surface and a right side surface, the keyboard plate is adhered to the upper portion of the right side surface of the front shell through glue dispensing, and the keyboard plate is pressed on the lower portion.

Furthermore, an emergency button is bonded to the center of the top of the front shell through glue dispensing, and the emergency button is located between the antenna head and the encoder.

Further, an LED light guide column is further bonded in the center of the top of the front shell through dispensing, and the LED light guide column is right opposite to the earphone assembly and located between the earphone assembly and the emergency button.

Furthermore, the screws for connecting the rear shell, the transceiver main board and the front shell are all provided with screw sealing rings.

Compared with the prior art, the utility model provides a high waterproof digital cluster handheld station has following beneficial effect:

1. the connection among all the parts combines various waterproof modes such as glue dispensing, water accumulation gum application, sealing rings and the like, the defect of a single waterproof mode is avoided, the waterproof grade of the handheld table is improved, the IP67 grade can be finally achieved, the rework and rejection rate of products is reduced, and the production efficiency is improved;

2. through the sound-transmitting membrane and the ventilated membrane that set up, can further improve the waterproof grade of handheld platform.

Drawings

FIG. 1 is an exploded view of the front housing and LCD lens of the present invention;

fig. 2 is an exploded view of the front housing, speaker and keyboard panel of the present invention;

fig. 3 is an exploded view of the front housing and earpiece assembly of the present invention;

FIG. 4 is an exploded view of the front shell and the PTT key sheet of the present invention;

fig. 5 is an exploded view of the rear housing and the main seal ring of the present invention;

fig. 6 is an exploded view of the rear housing and the transceiver board of the present invention;

fig. 7 is an explosion diagram of the sealed front and back shells of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1-7, the utility model provides a high waterproof digital cluster handheld station, including front shell 1, earphone subassembly 2, PTT keypad 3, send and receive mainboard 4 and backshell 5, the front upper and lower part of front shell 1 is glued through the point respectively and is glued LCD lens 6, speaker 7, PTT keypad 3 is through the keypad DOME piece 8 pressure equipment with ponding gum on front shell 1 left surface upper portion; earphone subassembly 2 is through ponding gum laminating in the front of the housing 1 inside and be located LCD lens 6 top, send out the receiving and dispatching mainboard 4 and arrange in the front of the housing 1 and through the mounting screw on the backshell 5, backshell 5 is through main sealing washer 9 and preceding shell 1 sealing connection. The connection between each part has combined a plurality of waterproof modes such as point, ponding gum and sealing washer, has avoided the defect of single waterproof mode, and the handheld platform of preparation soaks 45 ~ 60 minutes in 1 meter deep water (surpasses completely and soaks 30 minutes's test requirement), and its inside no water stain passes through IP67 waterproof grade test smoothly, has improved the waterproof grade of handheld platform, can reach IP67 grade finally, has reduced product reworking and disability rate to production efficiency has been improved.

The earphone assembly 2 comprises an earphone 201 and a fixing frame 202, the periphery of the earphone 201 is bonded on the fixing frame 202 through glue, and the fixing frame 202 is bonded inside the front shell 1 through accumulated water back glue; the front upper part of the front shell 1 is provided with a sound-transmitting hole 101, and the sound-transmitting hole 101 is positioned at one side of the earphone component 2 and is adhered with a waterproof sound-transmitting membrane 10. Specifically, the sound-transmitting membrane 10 itself is waterproof rated IP67, and the waterproof rating of the handset can be further improved by the sound-transmitting membrane 10.

As shown in fig. 5 and 6, an antenna head 401 and an encoder 402 are disposed at an interval on the top of the transceiver main board 4, and the antenna head 401 and the encoder 402 are respectively connected to the top of the front housing 1 through a sealing ring in a sealing manner.

The rear shell 5 is provided with a battery installation bin in a concave manner, the upper part of the front surface of the battery installation bin is provided with an installation hole 501 for the battery connector 403 to pass through, a waterproof sealing ring is sleeved on the installation hole 501, the sealing ring is propped around the battery connector 403, and the battery connector 403 is arranged on the transceiver main board 4.

As shown in fig. 1 and 2, the handheld station further includes an expansion interface board 11 and a keyboard board 12, the expansion interface board 11 is adhered to the upper portion of the right side of the front housing 1 by glue, and the keyboard board 12 is press-fitted to the lower portion of the front surface of the front housing 1 and is located right above the speaker 7 by a keyboard board DOME sheet 13 with water-accumulated back glue.

As shown in fig. 3, an emergency button 14 is glued to the top center of the front housing 1, and the emergency button 14 is located between the antenna head 401 and the encoder 402. An LED light guide column 15 is further bonded to the center of the top of the front shell 1 through glue dispensing, and the LED light guide column 15 is right opposite to the earphone component 2 and is located between the earphone component 2 and the emergency button 14.

As shown in fig. 5, the middle of the front surface of the battery compartment is provided with a vent 502, and the vent 502 is adhered with a waterproof breathable film 16. The battery installation bin is provided with an encryption card installation hole at the lower part of the front side, and the encryption card installation hole is sealed by sticking a card cover sealing ring 18 on a TF card cover 17.

In addition, screws for connecting the rear shell 5, the transceiver main board 4 and the front shell 1 are all provided with screw sealing rings. The screw is waterproof through increasing the sealing washer to realize handheld platform whole waterproof, improve waterproof grade.

In summary, the utility model combines the advantages of the two waterproof modes of glue dispensing and sealing ring, adopts the mode of glue dispensing and water proofing for the places where the sealing ring can not be waterproofed, has small glue dispensing area and convenient operation, and the sealing ring adopts the simplest structure and is convenient to install; meanwhile, waterproof modes such as accumulated water back glue, sound-permeable membrane and breathable membrane are added, the waterproof grade of the product finally breaks through IP67 and completely exceeds the former IP54 waterproof grade, production line production is simplified, 95% of the products can reach the IP67 waterproof grade at one time, production efficiency is improved, and rework and rejection rate are reduced.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A high waterproof digital cluster handheld station comprises a front shell, a receiver assembly, a PTT (push-to-talk) key board, a transceiving main board and a rear shell, and is characterized in that the upper part and the lower part of the front surface of the front shell are respectively bonded with an LCD (liquid crystal display) lens and a loudspeaker through glue, and the PTT key board is pressed on the upper part of the left side surface of the front shell through a DOME (do management entity) sheet of the key board with accumulated water back glue; the earphone subassembly is in through ponding gum laminating inside just being located of preceding shell the LCD lens top, the transceiver mainboard is arranged in just through the mounting screw in the preceding shell on the backshell, the backshell pass through main seal circle with preceding shell sealing connection.

2. The highly waterproof digital cluster handheld station of claim 1, wherein the earpiece assembly comprises an earpiece and a fixed mount, the earpiece is adhered to the fixed mount by glue around the earpiece, and the fixed mount is adhered to the inside of the front shell by water-accumulated back glue; and the front upper part of the front shell is provided with a sound transmission hole, and the sound transmission hole is positioned on one side of the earphone component and is adhered with a waterproof sound transmission membrane.

3. The handheld station of high waterproof digital cluster of claim 1 or 2, characterized in that an antenna head and an encoder are arranged at the top of the transceiver main board at intervals, and the antenna head and the encoder are respectively connected with the top of the front casing in a sealing manner through a sealing ring.

4. The handheld station of claim 3, wherein the rear housing is recessed with a battery compartment, the upper portion of the front surface of the battery compartment is provided with a mounting hole for a battery connector to pass through, the mounting hole is sleeved with a waterproof sealing ring, the sealing ring abuts against the periphery of the battery connector, and the battery connector is disposed on the transceiver main board.

5. The highly waterproof digital trunking handheld station of claim 4 wherein the battery installation compartment has a vent hole in the middle of the front face, the vent hole being adhered with a waterproof breathable film.

6. The handheld station of claim 4 or 5, wherein the battery compartment has a mounting hole for a locking clip at the lower part of the front surface, and the mounting hole for the locking clip is sealed by a sealing ring of a TF locking cap.

7. The highly waterproof digital cluster handheld station of claim 3, further comprising an expansion interface board and a keyboard board, wherein the expansion interface board is bonded to the upper portion of the right side of the front housing by glue, and the keyboard board is press-fitted to the lower portion of the front face of the front housing and located directly above the speaker by a keyboard board DOME piece with a water-adhesive backing glue.

8. The highly waterproof digital trunking handheld station of claim 7 wherein an emergency button is glued centrally to the top of the front housing, the emergency button being located between the antenna head and the encoder.

9. The highly waterproof digital cluster handheld station of claim 8, wherein an LED light guide post is further bonded to the center of the top of the front housing by glue, the LED light guide post facing the earpiece assembly and being located between the earpiece assembly and the emergency button.

10. The handheld station of any one of claims 7 to 9, wherein the screws connecting the rear housing, the main transceiver board and the front housing are provided with screw sealing rings.