CN219372420U

CN219372420U - Shell mechanism for handheld terminal, tool for manufacturing shell mechanism and handheld terminal

Info

Publication number: CN219372420U
Application number: CN202320258491.4U
Authority: CN
Inventors: 马明; 张曦
Original assignee: Beijing Sibituo Technology Co ltd
Current assignee: Beijing Sibituo Technology Co ltd
Priority date: 2023-02-20
Filing date: 2023-02-20
Publication date: 2023-07-18
Anticipated expiration: 2033-02-20

Abstract

The utility model relates to a shell mechanism for a handheld terminal, a tool for manufacturing the shell mechanism and the handheld terminal, and belongs to the field of wireless terminals, wherein the shell mechanism comprises a main shell and a separation beam, wherein the upper end of the main shell is provided with an integrated structure with an opening, two ends of the separation beam are respectively connected with the upper parts of two long side walls of the main shell, the inner area of the main shell is divided into a screen functional area and a key functional area through the separation beam, and the screen functional area is communicated with the bottom side of the key functional area; the upper end of one side of the separation cross beam, which is close to the screen functional area, is provided with a chamfer extending towards the direction of the screen functional area, and one side of the separation cross beam, which is close to the key functional area, is provided with a plurality of mounting columns which are arranged at intervals. The utility model simplifies the shell of the handheld terminal, achieves the aims of simplifying production and assembly, reducing the modulus opening, saving the die cost and improving the functional reliability and the waterproof and dustproof reliability of the whole machine, and can be widely applied to the design and the manufacture of various handheld terminals.

Description

Shell mechanism for handheld terminal, tool for manufacturing shell mechanism and handheld terminal

Technical Field

The utility model relates to the field of wireless terminals, in particular to a shell mechanism for a handheld terminal, a tool for manufacturing the shell mechanism and the handheld terminal.

Background

The common handheld terminal equipment is distinguished in terms of each functional area and appearance, meanwhile, in order to meet the waterproof and dustproof requirements, the functional areas are separated by a cross beam, and the front shell and the rear shell are required to be split into the front shell and the rear shell for design and assembly due to the problem of die manufacturing, and the front shell and the rear shell are used as complete equipment after assembly. Although the design and manufacture of the device can be completed by the traditional design thought, the following problems exist:

1. the manufacturing cost is high: the shell parts are too many, the opening modulus is large, and the cost is high.

2. The reliability of the whole machine is poor: the parts are more, the assembly is complex, the assembly yield of the whole machine is difficult to improve, and the reliability is poor.

3. Poor waterproof and dustproof performance: for equipment with waterproof and dustproof requirements, because the shell is divided into more parts, the risk of water leakage is greatly increased, and the equipment is difficult to reach the waterproof and dustproof grade of IP67 and above. And reliability tends to decrease as the time of use increases.

4. The assembly is complex: parts such as an integrated screen, a PCB, a battery, a camera, a flash lamp and various functional small plates are connected through an FPC, so that the design is complex and the assembly is complex.

In a word, the common handheld terminal structure scheme has the problems of incapability of simplifying parts, complex design, long design period and high die cost, and is used for controlling the reliability and the cost of equipment and improving the production efficiency

The rate is not well resolved.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides a shell mechanism for a handheld terminal, a tool for manufacturing the shell mechanism and the handheld terminal, and the shell mechanism meets the requirements of complete equipment functions, low manufacturing cost and high reliability by simplifying the rear shell and optimizing the design scheme of the front shell.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the shell mechanism for the handheld terminal comprises a main shell and a separation beam, wherein the upper end of the main shell is provided with an opening, the main shell and the separation beam are of an integral structure, two ends of the separation beam are respectively connected with the upper parts of two long side walls of the main shell, the inner area of the main shell is divided into a screen functional area and a key functional area through the separation beam, and the screen functional area is communicated with the bottom side of the key functional area; the upper end of one side of the separation cross beam, which is close to the screen functional area, is provided with a chamfer extending towards the direction of the screen functional area, and one side of the separation cross beam, which is close to the key functional area, is provided with a plurality of mounting columns which are arranged at intervals.

Further, a limiting table is arranged at the upper part of the inner side of the side wall of the screen functional area.

Further, a plurality of mounting columns arranged at intervals are arranged on the inner side wall of the key functional area.

Further, the mounting columns are arranged on the inner sides of four corners of the key functional area.

Further, the two ends of the dividing beam are vertically connected with the upper parts of the two long side walls of the main shell.

Further, the width of the key functional area is smaller than the width of the screen functional area.

The utility model also discloses a handheld terminal which comprises the shell mechanism, the first circuit board, the second circuit board, the screen module and the key module; the first circuit board is arranged in the screen functional area and is connected with the screen module, and the screen module is arranged at the upper end of the screen functional area; the second circuit board is arranged in the key functional area, and the key module is positioned and fixed on the key functional area and is connected with the second circuit board; the first circuit board is connected with the second circuit board through a flat cable.

Further, the key module is provided with a mounting hole corresponding to the internal threaded hole on the mounting column.

The utility model also discloses a tool for manufacturing the shell mechanism for the handheld terminal, which comprises an integral oblique top; the integral inclined roof comprises a horizontal plate and an inclined panel, and the horizontal plate is connected with the inclined panel at a preset included angle; the horizontal plate supports a die for manufacturing the separation cross beam; the top end of the inclined panel is connected with a lifting device, and the lifting device drives the integral inclined top to move out of the position below the separation beam.

Further, the thickness of the horizontal plate corresponds to the distance between the dividing beam and the bottom of the main housing.

The utility model has the beneficial effects that:

the utility model simplifies the rear shell, optimizes the design scheme of the front shell, greatly reduces the parts of the shell, achieves the aims of simplifying production and assembly, reducing the modulus of opening, saving the cost of a die and improving the functional reliability and the waterproof and dustproof reliability of the whole machine, and can be widely applied to the design and the manufacture of various handheld terminals. The die is designed only by opening the die for the shell mechanism aiming at different handheld terminals, the design period is short, and the die cost is low.

The utility model has the advantages of less parts, convenient assembly, greatly improved assembly yield of the whole machine and high reliability.

According to the utility model, along with the reduction of shell parts, the water leakage point is reduced, the water-proof difficulty and the water leakage risk are greatly reduced, the water-proof and dust-proof reliability of equipment can be ensured for a long time for the equipment with the water-proof and dust-proof requirements, and meanwhile, the special design of the separation cross beam can improve the shell strength and simultaneously realize the functions of water-proof, dust-proof and fixation.

The utility model solves the problem of the die manufacturing that the front and rear shells are combined into a whole and then the separating beam can not be demoulded through the integral inclined top.

The utility model has simple and quick assembly of the screen module, the key module, the circuit board and other parts, such as the battery, the camera, the flash lamp, various functional small plates and other parts, and the parts can be directly fixed on the main shell, so that the assembly is simple.

Drawings

FIG. 1 is a schematic view of the area division of a handheld terminal of the present utility model;

FIG. 2 is a side view of a housing mechanism for a handheld terminal of the present utility model;

FIG. 3 is a schematic view of a flat cable according to the present utility model;

FIG. 4 is a schematic view of an overall pitched roof of the present utility model;

fig. 5 is a three-dimensional view of the overall pitched roof of the present utility model.

Wherein: 1-main shell, 2-screen functional area, 3-button functional area, 4-separation crossbeam, 5-winding displacement, 6-whole oblique top, 7-chamfer, 8-erection column, 9-limit platform.

Detailed Description

The following detailed description of specific embodiments of the utility model is provided in connection with the accompanying drawings and examples. The following examples are only illustrative of the present utility model and are not intended to limit the scope of the utility model.

In this application, terms of the azimuth or positional relationship of up, down, left, right, inner, outer, front, rear, head, tail, etc. are established based on the azimuth or positional relationship shown in the drawings. The drawings are different, and the corresponding positional relationship may be changed, so that the scope of protection cannot be understood.

In the present utility model, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, and may be, for example, fixedly connected or detachably connected, integrally connected or mechanically connected, electrically connected or communicable with each other, directly connected or indirectly connected through an intermediate medium, or communicated between two components, or an interaction relationship between two components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

The embodiment describes a shell mechanism for a handheld terminal, a tool for manufacturing the shell mechanism and the handheld terminal, wherein the shell mechanism is simplified and a front shell and a rear shell are combined.

As shown in fig. 1 and 2, the housing mechanism comprises a main housing 1 and a dividing beam 4 which are integrally formed and have an opening at the upper end, wherein the two ends of the dividing beam 4 are respectively and vertically connected with the upper parts of two long side walls of the main housing 1, the inner area of the main housing 1 is divided into a screen functional area 2 and a key functional area 3, the screen functional area 2 is communicated with the bottom side of the key functional area 3, and the upper sides are separated by the dividing beam 4.

In this embodiment, the upper end of the side of the separation beam 4, which is close to the screen functional area 2, is provided with a chamfer 7 extending towards the screen functional area 2, and the side of the separation beam, which is close to the key functional area 3, is provided with a plurality of mounting posts 8 arranged at intervals. So that the separation beam 4 can play a role in preventing water, dust and fixing while improving the strength and reliability of the main shell 1.

In addition, the width of the key functional area 3 is smaller than that of the screen functional area 2, and two long side walls of the main shell 1 from the screen functional area 2 to the key functional area 3 are connected in a curve manner at two sides of the separation cross beam 4. The key functional area 3 has small width, is convenient for an operator to hold and operate, and does not influence the display area of the screen functional area 2.

Module grooves or module mounting areas such as a power supply groove, a lens groove and the like can be arranged on the side wall and the bottom surface of the main shell 1 as required.

The handheld terminal comprises a main shell 1, a first circuit board, a second circuit board, a screen module and a key module.

The first circuit board is arranged in the screen function area 2, the first circuit board can have a screen display function or other functions and is connected with the screen module, the second circuit board is arranged in the key function area 3, the second circuit board can have a key function or other functions, and the first circuit board is connected with the second circuit board through a flat cable 5 (see figure 3). In this embodiment, the first circuit board and the second circuit board are not limited to specific functional areas, and can be optionally matched

The upper part of the inner side of the side wall of the screen functional area 2 is provided with a limiting table 9, when the screen functional area 2 is provided with a screen module, one side of the screen module stretches into the lower side of the chamfer 7 of the separation cross beam 4, and the other three sides are respectively stuck on the upper surface of the limiting clamping table 9 to realize the connection with the main shell 1. The screen module is installed to close the upper opening of the screen function area 2.

The installation post 8 that also is equipped with a plurality of intervals and set up on the inside wall of button functional area 3, be equipped with the internal thread hole on the installation post 8, button module is equipped with around with the corresponding mounting hole of internal thread hole on the installation post 8, when button module and button functional area 3 are assembled, button module presses into button functional area 3 and fix a position fixedly through screw and installation post 8, button module utilizes the fastening of screw when guaranteeing reliable installation, thereby can also avoid button module perk handheld terminal to leak the problem of advancing ash. Preferably, the inner sides of four corners of the key functional area 3 are provided with mounting posts 8, so that the corners of the key module can be prevented from tilting to the greatest extent, and the risk of gaps between the key module and the key functional area 3 is reduced. The key function region 3 of the present embodiment closes the upper end opening by the key module.

When the main shell 1 is manufactured, the used tool solves the demolding problem of the separation beam 4 through the integral inclined roof 6, and as shown in fig. 4 and 5, the integral inclined roof 6 comprises a horizontal plate and an inclined panel, the horizontal plate is arranged in a horizontal state parallel to the ground, one end of the horizontal plate is connected with the bottom end of the inclined panel at a preset included angle, and the thickness of the horizontal plate corresponds to the separation beam 4 and the bottom space of the main shell 1. The top end of the inclined panel is connected with the lifting device. When the separation cross beam 4 of the main shell 1 is manufactured, the horizontal plate of the integral inclined roof 6 is firstly arranged between the screen functional area 2 and the key functional area 3, the horizontal plate plays a supporting role on the die of the separation cross beam 4, after injection molding is completed, the integral inclined roof 6 firstly horizontally moves out of the position right below the separation cross beam 4 under the drive of the lifting device, then the separation cross beam 4 is lifted and separated from the main shell 1, and meanwhile, the die of the separation cross beam 4 is not supported, so that demolding is realized.

While the principles of the utility model have been described in detail in connection with the preferred embodiments thereof, it should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the implementations of the utility model and are not intended to limit the scope of the utility model. The details of the embodiments are not to be taken as limiting the scope of the utility model, and any obvious modifications based on equivalent changes, simple substitutions, etc. of the technical solution of the utility model fall within the scope of the utility model without departing from the spirit and scope of the utility model.

Claims

1. The shell mechanism for the handheld terminal is characterized by comprising a main shell (1) and a separation beam (4), wherein the upper end of the main shell is provided with an opening, the main shell is of an integrated structure, two ends of the separation beam (4) are respectively connected with the upper parts of two long side walls of the main shell (1), the inner area of the main shell (1) is divided into a screen functional area (2) and a key functional area (3) through the separation beam (4), and the screen functional area (2) is communicated with the bottom side of the key functional area (3); the upper end of one side of the separation cross beam (4) close to the screen functional area (2) is provided with a chamfer (7) extending towards the screen functional area (2), and one side of the separation cross beam close to the key functional area (3) is provided with a plurality of mounting columns (8) arranged at intervals.

2. The housing mechanism for a handheld terminal according to claim 1, characterized in that the upper part of the inner side of the side wall of the screen function area (2) is provided with a limit table (9).

3. The housing mechanism for a handheld terminal according to claim 1, wherein a plurality of the mounting posts (8) are provided on the inner side wall of the key function region (3) at intervals.

4. A housing mechanism for a hand-held terminal according to claim 3, characterized in that the key function region (3) has the mounting posts (8) on the inside of the four corners.

5. The housing mechanism for a hand-held terminal according to claim 1, wherein the dividing beam (4) is perpendicularly connected at both ends to the upper portions of both the long side walls of the main housing (1).

6. The housing mechanism for a handheld terminal according to claim 1, characterized in that the key function region (3) has a smaller width than the screen function region (2).

7. A handheld terminal comprising the housing mechanism of any one of claims 1 to 6, a first circuit board, a second circuit board, a screen module, and a key module; the first circuit board is arranged in the screen functional area (2) and is connected with the screen module, and the screen module is arranged at the upper end of the screen functional area (2); the second circuit board is arranged in the key functional area (3), and the key module is positioned and fixed on the key functional area (3) and is connected with the second circuit board; the first circuit board is connected with the second circuit board through a flat cable (5).

8. A hand-held terminal according to claim 7, characterised in that the key module is provided with mounting holes corresponding to internally threaded holes in the mounting posts (8).

9. A tooling for making a housing mechanism for a hand-held terminal according to any one of claims 1 to 6, characterized in that it comprises an integral pitched roof (6); the integral inclined roof (6) comprises a horizontal plate and an inclined plate, and the horizontal plate is connected with the inclined plate at a preset included angle; the horizontal plate supports a die for manufacturing the separation cross beam (4); the top end of the inclined panel is connected with a lifting device, and the lifting device drives the integral inclined top (6) to move out of the position below the separation cross beam (4).

10. Tool according to claim 9, characterized in that the thickness of the horizontal plate corresponds to the separation beam (4) and the bottom space of the main housing (1).