Portable positioning terminal

Abstract

The utility model discloses a portable positioning terminal. The portable positioning terminal comprises a protective shell; the circuit board assembly is mounted in the protective shell; the battery is mounted in the protective shell, and the battery is electrically connected with the circuit board assembly; the SIM card is arranged on a card seat in the protective shell; the protection shell is provided with an operation port communicated with the card seat, the card seat is connected with an SIM card cover in a clamping mode, and the SIM card cover seals the operation port. The SIM card protective shell is novel in structure, the SIM card can be independently installed and replaced, the protective shell does not need to be disassembled, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to positioning equipment technical field, especially, relate to a portable positioning terminal. BACKGROUND

[0002] With the continuous development of society and the continuous progress of science and technology, wireless intelligent positioning equipment has entered our daily life and work, which can be applied not only in the automobile industry, but also in the industry of field construction.

[0003] The existing wireless intelligent positioning equipment has the following defects: the shell is connected by two half shells through screws, the SIM card is installed on the card seat in the shell, and the SIM card needs to be replaced by disassembling the shell, which is very inconvenient to operate.

[0004] The existing patent literature (publication number: CN203894416U) discloses a "handheld GPS positioning terminal", which also has the above technical problems. SUMMARY

[0005] The utility model aims at solving the above technical problems in the prior art, and provides a portable positioning terminal, which has novel structure, and the SIM card can be individually installed and replaced without disassembling the protective shell, and is convenient to use.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A portable positioning terminal comprises a protective shell, a circuit board assembly installed in the protective shell, a battery installed in the protective shell and electrically connected to the circuit board assembly, and a SIM card installed on the card seat in the protective shell and electrically connected to the circuit board assembly, characterized in that an operating port communicating with the card seat is formed in the protective shell, the card seat is provided with a SIM card cover, and the SIM card cover seals the operating port.

[0008] Further, the protective shell comprises a face shell and a bottom shell, the face shell is provided with a first clamping tongue, the bottom shell is provided with a protruding portion, the protruding portion is provided with a limiting hole corresponding to the first clamping tongue, and the face shell and the bottom shell are connected and fixed by screws. The protective shell can be disassembled into two parts, which is convenient for repairing the circuit board assembly, assembling, and installing screws, reduces the difficulty of hole alignment, improves the installation efficiency, reduces the number of screws used, and is quick to disassemble and assemble.

[0009] Further, the bottom shell is provided with a sealing ring part corresponding to the inner edge of the face shell. When the bottom shell and the face shell are butted, the sealing ring part is in close contact with the inner wall of the inner edge of the face shell, forming an inner sealing structure, effectively preventing external water vapor from penetrating inward, and having good sealing performance.

[0010] Further, the bottom shell is provided with an ear part, the ear part is provided with an embedding groove, and the inner wall of the face shell is provided with a tongue part corresponding to the embedding groove. During installation, the tongue part is embedded into the embedding groove, so that the face shell is limited on the bottom shell, and the connection strength of the face shell and the bottom shell is improved, and the assembly is more reliable.

[0011] Further, the SIM card cover is provided with a second card tongue, and the card seat is provided with a limiting groove corresponding to the second card tongue. During installation, the tongue part of the second card tongue is embedded into the limiting groove, so that the SIM card cover is limited and fixed, and is not easy to fall off freely, and the installation is reliable; during disassembly, the SIM card cover can be pried off for replacement of the SIM card, without the need to disassemble the protective shell, and the use is convenient.

[0012] Further, the circuit board assembly and the battery are arranged flatly in the protective shell. The circuit board assembly and the battery are not stacked together, the thickness of the protective shell is reduced, the overall size is thinner, the occupied space is small, and the carrying is convenient.

[0013] Further, the protective shell is provided with a hanging hole, a rope is conveniently arranged through the hanging hole, and the carrying convenience is improved.

[0014] The utility model discloses the following beneficial effects are obtained by adopting the above technical scheme:

[0015] 1, during installation, the tongue part of the second card tongue is embedded into the limiting groove of the card seat, so that the SIM card cover is limited and fixed, and is not easy to fall off freely, and the installation is reliable, the SIM card cover seals the operation opening, prevents external water vapor from penetrating inward, and is convenient to use.

[0016] 2, the protective shell can be disassembled into two parts, the circuit board assembly is convenient to overhaul, the overhaul is convenient, during assembly, the tongue part of the first card tongue is buckled into the limiting hole of the protruding part, then the face shell is closed by rotating, at this time, the screw hole of the face shell is aligned with the screw hole of the bottom shell, the screw is convenient to install, the hole alignment difficulty is reduced, the installation efficiency is improved, the number of screws used is reduced, and the disassembly and assembly are quick. DRAWINGS

[0017] The utility model will be further described below in combination with the drawings:

[0018] Figure 1 It is a structure schematic view of the portable positioning terminal of the utility model;

[0019] Figure 2 It is a back structure schematic view of the protective shell in the utility model;

[0020] Figure 3 It is exploded structural schematic view of the utility model;

[0021] Figure 4 It is structural schematic view of SIM card cover in the utility model;

[0022] Figure 5 It is structural schematic view of bottom shell in the utility model;

[0023] Figure 6 It is structural schematic view of face shell and first clamping tongue connection in the utility model;

[0024] Figure 7 It is structural schematic view of bottom shell and convex part connection in the utility model;

[0025] Figure 8 It is structural schematic view of face shell and convex tongue part connection in the utility model.

[0026] In the drawing: 1-protective shell;2-circuit board assembly;3-battery;4-face shell;5-bottom shell;6-first clamping tongue;7-convex part;8-limiting hole;9-screw;10-ear;11-embedded groove;12-convex tongue part;13-sealing ring part;14-clamping seat;15-operation opening;16-SIM card cover;17-second clamping tongue;18-limiting groove;19-key assembly;20-hanging hole. DETAILED DESCRIPTION

[0027] A kind of portable positioning terminal, including: protective shell 1, circuit board assembly 2, battery 3 and SIM card, battery 3, SIM card are electrically connected circuit board assembly 2 respectively, and circuit board assembly 2 is equipped with main control circuit, GPS module and GSM / GPRS wireless communication circuit module, main control circuit is electrically connected GPS module and GSM / GPRS wireless communication circuit module, main control circuit can adopt chip IAP11L60XE, GPS module includes chip GP3SF1513F1 and GPS antenna, GSM / GPRS wireless communication circuit module includes chip SIM300W and with GSM / GPRS antenna, belong to prior art, not repeated here.

[0028] As Figure 3 Shown, circuit board assembly 2, battery 3 are laid flat in protective shell 1, and circuit board assembly 2 and battery 3 are not stacked together, reduce the thickness of protective shell 1, the overall size is thinner, the space occupied is small, it is convenient to carry.

[0029] Circuit board assembly 2 is electrically connected with key assembly 19, and the protective shell is equipped with fixed through hole for the key of key assembly 19 to wear out.

[0030] As Figure 1 ,Figure 6 、 Figure 7 As shown in the figure, the protective shell 1 includes a face shell 4 and a bottom shell 5, the upper part of the face shell 4 is provided with a first clamping tongue 6, the bottom shell 5 is provided with a protruding part 7, the protruding part 7 is provided with a limiting hole 8 corresponding to the first clamping tongue 6, and the lower part of the face shell 4 is connected and fixed with the bottom shell 5 through a screw 9.

[0031] The protective shell 1 can be disassembled into two parts, which is convenient for overhauling the circuit board assembly 2. When assembling, the tongue part of the first clamping tongue 6 is buckled into the limiting hole 8, and then the face shell 4 is closed by rotating, at this time, the screw hole 9 of the face shell 4 is aligned with the screw hole 9 of the bottom shell 5, which is convenient for installing the screw 9, reduces the difficulty of hole alignment, improves the installation efficiency, and reduces the number of screws 9 used, and the disassembly and assembly are quick.

[0032] As shown in the figure, Figure 5 、 Figure 8 The side surface of the bottom shell 5 is provided with an ear part 10, the ear part 10 is provided with an embedding groove 11, and the inner wall of the face shell 4 is provided with a protruding tongue part 12 corresponding to the embedding groove 11. In the process of closing the face shell 4, the protruding tongue part 12 is embedded into the embedding groove 11, the face shell 4 is limited on the bottom shell 5, and the connection strength of the face shell 4 and the bottom shell 5 is improved, and the assembly is more reliable.

[0033] The bottom shell 5 is provided with a sealing ring part 13 corresponding to the inner edge of the face shell 4. When the bottom shell 5 is butt jointed with the face shell 4, the sealing ring part 13 is in close contact with the inner wall of the inner edge of the face shell 4, forming an internal sealing structure, effectively blocking the external water vapor from entering inward, and having good sealing performance.

[0034] As shown in the figure, Figures 2 to 5 The bottom shell 5 is provided with a card seat 14 for installing a SIM card, the bottom shell 5 is provided with an operation opening 15 communicating with the card seat 14, the card seat 14 is provided with a SIM card cover 16, the SIM card cover 16 is provided with a second clamping tongue 17, and the card seat 14 is provided with a limiting groove 18 corresponding to the second clamping tongue 17.

[0035] When installing, the tongue part of the second clamping tongue 17 is embedded into the limiting groove 18, the limiting and fixing of the SIM card cover 16 are realized, the SIM card cover 16 is not easy to fall off freely, the installation is reliable, the operation opening 15 is sealed by the SIM card cover 16, and the external water vapor is prevented from entering inward; when disassembling, the SIM card cover 16 can be pried off for replacing the SIM card, without the need of disassembling the protective shell 1, and the use is convenient.

[0036] The face shell 4 is provided with a hanging hole 20, which is convenient for threading a rope, and improves the convenience of carrying.

[0037] The above are only specific embodiments of the present application, but the technical features of the present application are not limited to this. Any simple change, equivalent replacement or modification made on the basis of the present application to solve the basically same technical problem and realize the basically same technical effect is all covered in the protection scope of the present application.

Claims

1. A portable positioning terminal, comprising: a protective shell; a circuit board assembly installed in the protective shell; a battery installed in the protective shell, the battery being electrically connected to the circuit board assembly; and a SIM card installed on a card seat in the protective shell; characterized in that:

2. A portable positioning terminal according to claim 1, characterized in that: an operation opening is formed in the protective shell and communicates with the card seat, and a SIM card cover is clamped on the card seat to seal the operation opening.

3. A portable positioning terminal according to claim 2, characterized in that: The protective shell comprises a face shell and a bottom shell, the face shell is provided with a first clamping tongue, the bottom shell is provided with a protruding portion, the protruding portion is provided with a limiting hole corresponding to the first clamping tongue, and the face shell and the bottom shell are fixed by screw connection.

4. The portable positioning terminal of claim 2, wherein: The bottom shell is provided with a sealing ring portion corresponding to an inner edge of the face shell.

5. The portable positioning terminal of claim 1, wherein: The bottom shell is provided with an ear portion, the ear portion is provided with an embedding groove, and an inner wall of the face shell is provided with a protruding tongue portion corresponding to the embedding groove.

6. The portable positioning terminal of claim 1, wherein: The SIM card cover is oppositely provided with a second clamping tongue, and the card seat is provided with a limiting groove corresponding to the second clamping tongue.

7. The portable positioning terminal of claim 1, wherein: The circuit board assembly and the battery are arranged flatly in the protective shell. The protective shell is provided with a hanging hole.

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