CN215956876U - Assembled printed circuit mobile terminal convenient to it is fixed - Google Patents
Assembled printed circuit mobile terminal convenient to it is fixed Download PDFInfo
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- CN215956876U CN215956876U CN202120930023.8U CN202120930023U CN215956876U CN 215956876 U CN215956876 U CN 215956876U CN 202120930023 U CN202120930023 U CN 202120930023U CN 215956876 U CN215956876 U CN 215956876U
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- mobile terminal
- circuit board
- fixed
- limiting
- printed circuit
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Abstract
The utility model discloses an assembled printed circuit mobile terminal convenient to fix, which comprises a mobile terminal back plate and a circuit board, wherein the circuit board is movably arranged above the mobile terminal back plate, a connecting plate is fixed on the lower end surface of the circuit board, and a limit groove is formed in the mobile terminal back plate on the outer side of the connecting plate; the lower surface of the circuit board is provided with a fixing groove, and an elastic plate with a heat dissipation function is movably arranged in the fixing groove; the edge of the circuit board is fixedly connected with one end of the guide rope, and a limiting ring is sleeved on the outer side of the guide rope; the other end of the guide rope is connected with a connecting rod limiting the circuit board, and one end of the connecting rod is fixedly connected with a limiting block guide rope limiting the circuit board. This assembled printed circuit mobile terminal convenient to it is fixed need not through welding and bolted connection, can realize the stability that printed circuit board and mobile terminal backplate are connected to through the interval between the increase both, can promote radiating high efficiency.
Description
Technical Field
The utility model relates to the technical field of printed circuit boards, in particular to an assembled printed circuit mobile terminal convenient to fix.
Background
The printed circuit board is used for providing electrical connection of electronic components, is often installed in the mobile terminal as an accessory, and is traditionally connected with the mobile terminal in a welding or bolt connection mode. However, the existing printed circuit mobile terminal still has the following disadvantages:
although the connection is stable through welding and bolts, the defects of poor flexibility, inconvenient operation and the like exist, the contact area between the printed circuit board and the mobile terminal is too large, and the phenomenon of poor heat dissipation effect is easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an assembled printed circuit mobile terminal convenient to fix, which aims to solve the problems that although the assembled printed circuit mobile terminal is relatively stable through welding and bolt connection, the assembled printed circuit mobile terminal has the defects of poor flexibility, inconvenient operation and the like, and the phenomenon of poor heat dissipation effect is easily caused due to the overlarge contact area between a printed circuit board and the mobile terminal.
In order to achieve the purpose, the utility model provides the following technical scheme: an assembled printed circuit mobile terminal convenient to fix comprises a mobile terminal back plate and a circuit board, wherein the circuit board is movably mounted above the mobile terminal back plate, a connecting plate is fixed on the lower end face of the circuit board, and a limiting groove is formed in the mobile terminal back plate outside the connecting plate;
the lower surface of the circuit board is provided with a fixed groove, an elastic plate with a heat dissipation function is movably arranged in the fixed groove, and a fixed shaft is fixed at the edge of the elastic plate;
the edge of the circuit board is fixedly connected with one end of the guide rope, a limiting ring is sleeved on the outer side of the guide rope, and the limiting ring is fixed at the edge of the mobile terminal backboard;
the other end of the guide rope is connected with a connecting rod limiting the circuit board, one end of the connecting rod is fixedly connected with a limiting block limiting the guide rope, and a fixing hole is formed in the circuit board at the other end of the connecting rod.
Preferably, the connecting plate and the limiting groove are connected in a clamping mode, and the height of the connecting plate is larger than that of the elastic plate, so that the circuit board is positioned accurately when being connected with the mobile terminal backboard.
Preferably, the elastic plate is copper material, and the cross-section of elastic plate is wavy structure to the elastic plate passes through fixed axle and fixed slot constitution sliding construction, can slide deformation after the elastic plate is extrudeed, and increased the interval between circuit board and the mobile terminal backplate, had good heat conductivility.
Preferably, the guide rope runs through in the inside of spacing ring, and the guide rope is the metal material, after rolling unnecessary guide rope, can guarantee the compactness that circuit board and mobile terminal backplate are connected.
Preferably, the limiting ring is arranged at four corners of the back plate of the mobile terminal, and the inner diameter of the limiting ring is larger than the outer diameter of the limiting block, so that the connecting rod and the limiting block can penetrate through the limiting ring.
Preferably, connecting rod and fixed orifices are threaded connection's dismantlement mounting structure, and connecting rod and stopper constitution "T" shape structure, through rotating the connecting rod and be connected the back with the fixed orifices, can guarantee that the length of guide rope after the rolling keeps fixed.
Compared with the prior art, the utility model has the beneficial effects that: the assembly type printed circuit mobile terminal convenient to fix can realize the stability of connection between the printed circuit board and the mobile terminal back plate without welding and bolt connection, and can improve the high efficiency of heat dissipation by increasing the distance between the printed circuit board and the mobile terminal back plate;
1. after the circuit board is connected with the mobile terminal backboard, the elastic plate can be driven to move in the fixing groove by extruding the circuit board, the arrangement of the connecting plate can limit the extension of the elastic plate, and the two sides of the elastic plate are respectively ensured to be contacted with the circuit board and the mobile terminal backboard, and the distance between the circuit board and the mobile terminal backboard is increased through the elastic plate, so that the heat dissipation performance is good;
2. pass the spacing intra-annular with connecting rod and stopper, rotate the connecting rod again and be connected with the fixed orifices, can roll the unnecessary part of guide rope like this, can guarantee the compactness of installation between circuit board and the mobile terminal backplate like this, also convenient dismantlement to the circuit board simultaneously.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic cross-sectional view taken at a in FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1 according to the present invention;
FIG. 4 is a schematic side view of a retainer ring according to the present invention;
FIG. 5 is a schematic top view of the present invention.
In the figure: 1. a mobile terminal back panel; 2. a circuit board; 3. a connecting plate; 4. a limiting groove; 5. fixing grooves; 6. an elastic plate; 7. a fixed shaft; 8. a guide rope; 9. a limiting ring; 10. a connecting rod; 11. a limiting block; 12. and (7) fixing holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: an assembled printed circuit mobile terminal convenient to fix comprises a mobile terminal back plate 1, a circuit board 2, a connecting plate 3, a limiting groove 4, a fixing groove 5, an elastic plate 6, a fixing shaft 7, a guide rope 8, a limiting ring 9, a connecting rod 10, a limiting block 11 and a fixing hole 12, wherein the circuit board 2 is movably mounted above the mobile terminal back plate 1, the connecting plate 3 is fixed on the lower end face of the circuit board 2, and the limiting groove 4 is formed in the mobile terminal back plate 1 on the outer side of the connecting plate 3;
the lower surface of the circuit board 2 is provided with a fixed groove 5, an elastic plate 6 with a heat dissipation function is movably arranged in the fixed groove 5, and a fixed shaft 7 is fixed at the edge of the elastic plate 6;
the edge of the circuit board 2 is fixedly connected with one end of the guide rope 8, a limiting ring 9 is sleeved outside the guide rope 8, and the limiting ring 9 is fixed at the edge of the mobile terminal backboard 1;
the other end of the guide rope 8 is connected with a connecting rod 10 limiting the circuit board 2, one end of the connecting rod 10 is fixedly connected with a limiting block 11 limiting the guide rope 8, and a fixing hole 12 is formed in the circuit board 2 at the other end of the connecting rod 10.
The connecting plate 3 is connected with the limiting groove 4 in a clamping manner, and the height of the connecting plate 3 is greater than that of the elastic plate 6; the elastic plate 6 is made of copper, the section of the elastic plate 6 is of a wavy structure, and the elastic plate 6 forms a sliding structure through the fixed shaft 7 and the fixed groove 5;
as shown in fig. 1-3, the elastic plate 6 can be squeezed by pressing the circuit board 2, the elastic plate 6 can drive the fixed shaft 7 to slide in the fixed groove 5 after being squeezed, and the extended elastic plate 6 can be limited by the connecting plate 3, so that two sides of the elastic plate 6 can be ensured to be in contact with the circuit board 2 and the mobile terminal backboard 1, and the distance between the circuit board 2 and the mobile terminal backboard 1 is increased by the elastic plate 6, so that the circuit board 2 can radiate heat well;
the guide rope 8 penetrates through the limiting ring 9, and the guide rope 8 is made of metal; the limiting rings 9 are arranged at four corners of the mobile terminal backboard 1, and the inner diameter of each limiting ring 9 is larger than the outer diameter of each limiting block 11; the connecting rod 10 and the fixing hole 12 are in threaded connection, and the connecting rod 10 and the limiting block 11 form a T-shaped structure;
as shown in fig. 1 and fig. 4-5, the connecting rod 10 and the limiting block 11 penetrate through the limiting ring 9, and the connecting rod 10 and the fixing hole 12 are rotated to be connected with each other, so that the redundant guide rope 8 can be driven to be wound on the connecting rod 10, the guide rope 8 after being wound is limited through the limiting block 11, and then the stability of the circuit board 2 and the mobile terminal backboard 1 after being installed is ensured, and meanwhile, the circuit board 2 is also convenient to detach.
The working principle is as follows: as shown in fig. 1-5, at first be connected circuit board 2 with mobile terminal backplate 1, connecting plate 3 on the circuit board 2 can just contact with spacing groove 4 on the mobile terminal backplate 1 like this, realizes the accurate location to circuit board 2, then can realize the thermal giving off of circuit board 2 through elastic plate 6, at last through guide rope 8, spacing ring 9, connecting rod 10, stopper 11 and fixed orifices 12, can realize the stable installation of circuit board 2 and mobile terminal backplate 1.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides an assembled printed circuit mobile terminal convenient to it is fixed, includes mobile terminal backplate (1) and circuit board (2), its characterized in that: a circuit board (2) is movably mounted above the mobile terminal backboard (1), a connecting plate (3) is fixed on the lower end face of the circuit board (2), and a limiting groove (4) is formed in the mobile terminal backboard (1) on the outer side of the connecting plate (3);
a fixed groove (5) is formed in the lower surface of the circuit board (2), an elastic plate (6) with a heat dissipation function is movably arranged in the fixed groove (5), and a fixed shaft (7) is fixed at the edge of the elastic plate (6);
the edge of the circuit board (2) is fixedly connected with one end of the guide rope (8), a limiting ring (9) is sleeved on the outer side of the guide rope (8), and the limiting ring (9) is fixed at the edge of the mobile terminal backboard (1);
the other end of the guide rope (8) is connected with a connecting rod (10) limiting the circuit board (2), one end of the connecting rod (10) is fixedly connected with a limiting block (11) limiting the guide rope (8), and a fixing hole (12) is formed in the circuit board (2) at the other end of the connecting rod (10).
2. A fabricated printed circuit mobile terminal facilitating mounting according to claim 1, wherein: the connecting plate (3) is connected with the limiting groove (4) in a clamping mode, and the height of the connecting plate (3) is larger than that of the elastic plate (6).
3. A fabricated printed circuit mobile terminal facilitating mounting according to claim 1, wherein: elastic plate (6) are the copper product matter, and the cross-section of elastic plate (6) is wavy structure to elastic plate (6) pass through fixed axle (7) and fixed slot (5) constitution sliding construction.
4. A fabricated printed circuit mobile terminal facilitating mounting according to claim 1, wherein: the guide rope (8) penetrates through the limiting ring (9), and the guide rope (8) is made of metal.
5. A fabricated printed circuit mobile terminal facilitating mounting according to claim 1, wherein: the limiting ring (9) is arranged at four corners of the mobile terminal back plate (1), and the inner diameter of the limiting ring (9) is larger than the outer diameter of the limiting block (11).
6. A fabricated printed circuit mobile terminal facilitating mounting according to claim 1, wherein: the connecting rod (10) and the fixing hole (12) are in threaded connection, and the connecting rod (10) and the limiting block (11) form a T-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930023.8U CN215956876U (en) | 2021-04-30 | 2021-04-30 | Assembled printed circuit mobile terminal convenient to it is fixed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120930023.8U CN215956876U (en) | 2021-04-30 | 2021-04-30 | Assembled printed circuit mobile terminal convenient to it is fixed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215956876U true CN215956876U (en) | 2022-03-04 |
Family
ID=80505964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120930023.8U Active CN215956876U (en) | 2021-04-30 | 2021-04-30 | Assembled printed circuit mobile terminal convenient to it is fixed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215956876U (en) |
-
2021
- 2021-04-30 CN CN202120930023.8U patent/CN215956876U/en active Active
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