CN210297775U - Pressure sensing structure of terminal equipment and terminal equipment - Google Patents
Pressure sensing structure of terminal equipment and terminal equipment Download PDFInfo
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- CN210297775U CN210297775U CN201921674729.1U CN201921674729U CN210297775U CN 210297775 U CN210297775 U CN 210297775U CN 201921674729 U CN201921674729 U CN 201921674729U CN 210297775 U CN210297775 U CN 210297775U
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- pressure sensor
- pressure sensing
- terminal equipment
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Abstract
The utility model discloses a pressure sensing structure of terminal equipment and terminal equipment, the pressure sensing structure of the terminal equipment comprises a shell, a cover plate arranged outside the shell and a pressure sensing assembly arranged inside the shell, wherein the pressure sensing assembly comprises a pressure sensor; the movable installation has the driving medium on the casing, the driving medium includes first end and is used for triggering pressure sensor's second end, first end is used for will exerting in the external force transmission of apron surface extremely the second end is in order to trigger pressure sensor. The utility model discloses a driving medium need not to dispose the flexible circuit board for pressure sensor with the overdraft transmission of apron to pressure sensor, has not only saved the cost, has simplified the technology, has still reduced simultaneously to terminal equipment inner space's occupation, has improved terminal equipment overall structure's reliability.
Description
Technical Field
The utility model relates to an electronic equipment technical field, concretely relates to terminal equipment's forced induction structure still relates to the terminal equipment who has this forced induction structure simultaneously.
Background
Currently, some terminal devices are usually configured with a pressure sensing structure to meet more control requirements, for example, a pressure sensing structure is built in a mobile phone to implement a pressure sensing operation. In the prior art, two pressure sensing structures are usually arranged in a mobile phone, one is to attach a pressure sensor to a glass cover plate to form a module, and then fix the whole module on a front shell in a dispensing manner, so that the process cost is relatively high, and the quality is difficult to ensure; the other is to attach the pressure sensor to the flexible circuit board to form a module, then fix the whole module on the shell, and the flexible circuit board penetrates through the shell to be connected with the main circuit board of the mobile phone.
SUMMERY OF THE UTILITY MODEL
To the deficiency of the prior art, an object of the present invention is to provide a pressure sensing structure of a terminal device, which can simplify the manufacturing process and save the inner space of the terminal device.
The second objective of the present invention is to provide a terminal device with the above pressure sensing structure.
In order to achieve the above object, the utility model adopts the following technical scheme:
the pressure sensing structure of the terminal equipment comprises a shell, a cover plate and a pressure sensing assembly, wherein the cover plate is arranged on the outer side of the shell, the pressure sensing assembly is arranged on the inner side of the shell, and the pressure sensing assembly comprises a pressure sensor; the movable installation has the driving medium on the casing, the driving medium includes first end and is used for triggering pressure sensor's second end, first end is used for will exerting in the external force transmission of apron surface extremely the second end is in order to trigger pressure sensor.
Preferably, the transmission member is cylindrical, and the first end and the second end are two cylindrical end portions of the transmission member respectively.
Preferably, the shell is provided with a mounting hole, the transmission piece is connected in the mounting hole in a penetrating manner, and the transmission piece is in clearance fit with the mounting hole.
Preferably, the periphery of the transmission part is provided with a limiting step surface, and the inner wall of the mounting hole is protruded with a limiting boss positioned on the inner side of the limiting step surface.
Preferably, the pressure sensing assembly comprises a PCBA fixedly matched with the shell, and the pressure sensor is fixed on one side, facing the transmission piece, of the PCBA.
Preferably, the pressure sensing assembly comprises a pressure-sensitive silica gel pad, and the pressure-sensitive silica gel pad is connected to the PCBA and covers the outside of the pressure sensor.
Preferably, a buffer piece covering the inner surface of the cover plate is fixed on the shell, and the buffer piece is located between the cover plate and the first end of the transmission piece.
In order to achieve the second purpose, the utility model adopts the following technical scheme:
the terminal equipment comprises the pressure sensing structure of the terminal equipment.
The beneficial effects of the utility model reside in that:
compared with the prior art, the utility model discloses a driving medium need not to dispose the flexible circuit board for pressure sensor with the overdraft transmission to pressure sensor of apron, has not only saved the cost, has simplified the technology, has still reduced simultaneously and has taken up terminal equipment inner space, has improved terminal equipment overall structure's reliability.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view taken at A of FIG. 1;
FIG. 3 is a schematic view of the transmission member of FIG. 1.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, 2, and 3, for the pressure sensing structure of a terminal device of the present invention, taking the terminal as a mobile phone as an example, the mobile phone includes a housing 10, a cover plate 20, and a pressure sensing component, where the housing 10 can be a front shell of the mobile phone, the cover plate 20 is installed outside the housing 10 and is fixedly connected to the housing 10, and the pressure sensing component is installed inside the housing 10 and includes at least one pressure sensor 40, and of course, in a preferred embodiment, the pressure sensing component 40 further includes a PCBA30, the PCBA30 is fixedly matched with the housing 10, the pressure sensor 40 is fixed on the PCBA30 toward one surface of the cover plate 20, and the pressure sensor 40 is fixed on the PCBA by Surface Mount Technology (SMT); a transmission member 50 is movably mounted on the housing 10, the transmission member 50 includes a first end 52 and a second end 53, the first end 52 is engaged with the cover plate 20, the second end 53 is engaged with the pressure sensor 40 to trigger the pressure sensor 40, the transmission member 50 is used for transmitting the pressure applied to the outer surface of the cover plate 20 to the pressure sensor 40, specifically, when an external force is applied to the cover plate 20, the first end 52 engaged with the cover plate 20 is linked with the cover plate 20 and transmits the force to the second end 53, and the second end 53 triggers the pressure sensor 40, thereby implementing the pressure sensing of the mobile phone.
In the structure, the pressure sensor is directly arranged on the PCBA, then the PCBA is assembled on the terminal equipment complete machine, the pressure sensor does not need to be attached to the cover plate, the process is simplified, and the production line detection and after-sale maintenance are facilitated.
In the present invention, the shape of the transmission member 50 is preferably set to be a column shape, the two ends of the column structure form the first end 52 and the second end 53, respectively, the transmission member 50 in the column shape is disposed between the cover plate 20 and the pressure sensor 40, and the central axis thereof is perpendicular to the cover plate 20. When the cover plate 20 is subjected to an external force, the cover plate 20 pushes the first end 52, and the transmission member 50 is pushed toward the pressure sensor 40, so that the transmission member 50 is displaced on the central axis thereof, and then the second end 53 touches the pressure sensor 40, so as to trigger the pressure sensor 40. Further, a mounting hole 11 may be formed in the housing 10, the columnar transmission element 50 is connected in the mounting hole 11 in a penetrating manner, the transmission element 50 and the mounting hole 11 may be in clearance fit, so that the transmission element 50 can move in the mounting hole 11, the length of the transmission element 50 is slightly greater than the depth of the mounting hole 11, so that the first end 52 and the second end 53 of the transmission element 50 can protrude out of openings at two ends of the mounting hole 11 to be respectively matched with the cover plate 20 and the pressure sensor 40, and meanwhile, the mounting hole 11 may play a role in guiding the transmission element 50. In addition, a limit structure may be provided between the transmission member 50 and the housing 10, so as to limit the maximum displacement of the transmission member 50 toward the pressure sensor 40, namely, the pressure sensor 40 is prevented from being damaged due to the excessive displacement of the transmission member 50, specifically, a limit step surface 51 is provided at the periphery of the transmission member 50, correspondingly, a limit boss 12 is provided at the inner wall of the mounting hole 11, the limit boss 12 is located at the inner side of the limit step surface 51, when the transmission member 50 moves towards the pressure sensor 40 until the limit boss 12 contacts with the limit step surface 51, the transmission member 50 can not move any more, the limit structure is formed by the limit boss 12 and the limit step surface 51, the maximum displacement of the transmission member 50 is limited, of course, it should be ensured that the second end 53 of the transmission member 50 can trigger the pressure sensor 40 when the limit step surface 51 contacts the limit boss 12.
It should be noted that the installation of the pressure sensor 40 on the PCBA30 is one of the preferred embodiments of the present invention, and in fact, the pressure sensor 40 may be installed on other components as long as it is located inside the housing 10 and can be triggered by the transmission member 40 when the transmission member 40 moves. Of course, as a preferred embodiment, the pressure sensing assembly may further include a pressure-sensitive silicone pad 41, where the pressure-sensitive silicone pad 41 is used to cover the pressure sensor 40, so as to prevent the driving member 50 from directly pressing against the surface of the pressure sensor 40, thereby improving the service life of the pressure sensor 40; the pressure sensitive silicone pad 41 is adhered to the PCBA30 by a backing adhesive and covers the outside of the pressure sensor 40.
The utility model discloses an engineering plastics such as POM, PA, PC can be chooseed for use to above-mentioned driving medium 50 to realize better mechanical properties, certainly slow down the striking of apron 20 and driving medium 50, still be provided with a bolster 21 on casing 10, this bolster 21 is fixed on casing 10, and cover in the internal surface of apron 20, this bolster 21 is arranged in between the first end 52 of apron 20 and driving medium 50, be used for the impact of buffering driving medium 50 to apron 20, one deck or multilayer buffering bubble cotton can be selected for use to bolster 21.
By adopting the pressure sensing structure, the downward pressure of the cover plate is transmitted to the pressure sensor through the transmission part, a flexible circuit board is not required to be configured for the pressure sensor, the cost is saved, the process is simplified, meanwhile, the occupation of the internal space of the terminal equipment is reduced, and the reliability of the overall structure of the terminal equipment is improved.
In other embodiments, the driving member 50 of the present invention can be configured in other structures, for example, the driving member 50 can be configured as a V-shaped structure movably mounted on the housing 10 in a rotatable manner, one end of the V-shaped structure is engaged with the cover plate 20, the other end of the V-shaped structure is used for the starting pressure sensor 40, when the cover plate is pressed, one end of the driving member is pressed to press the driving member, so that the driving member swings, and the other end of the driving member generates a displacement to trigger the pressure sensor 40.
The utility model discloses a terminal equipment includes foretell forced induction structure, and terminal equipment is not only limited to be the cell-phone, and it also can be panel computer etc..
The foregoing is merely a preferred embodiment of the present invention, and further details of the present invention are described in conjunction with specific preferred embodiments, which should not be construed as limiting the practice of the invention to these descriptions. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The pressure sensing structure of the terminal equipment is characterized by comprising a shell, a cover plate arranged on the outer side of the shell and a pressure sensing assembly arranged on the inner side of the shell, wherein the pressure sensing assembly comprises a pressure sensor; the movable installation has the driving medium on the casing, the driving medium includes first end and is used for triggering pressure sensor's second end, first end is used for will exerting in the external force transmission of apron surface extremely the second end is in order to trigger pressure sensor.
2. The pressure-sensitive structure of a terminal device according to claim 1, wherein the transmission member has a columnar shape, and the first end and the second end are both end portions of the columnar shape of the transmission member, respectively.
3. The pressure sensing structure of a terminal device according to claim 2, wherein the housing has a mounting hole, the transmission member is inserted into the mounting hole, and the transmission member is in clearance fit with the mounting hole.
4. The pressure-sensitive structure of a terminal device according to claim 3, wherein the transmission member is provided at a peripheral edge thereof with a limit step surface, and a limit projection is projected from an inner wall of the mounting hole to an inner side of the limit step surface.
5. A pressure sensing arrangement for a terminal device according to claim 1, wherein the pressure sensing component comprises a PCBA in fixed engagement with the housing, the pressure sensor being fixed to a face of the PCBA facing the transmission member.
6. The pressure sensing structure of the terminal device according to claim 5, wherein the pressure sensing component comprises a pressure-sensitive silicone pad connected to the PCBA and covering the outside of the pressure sensor.
7. The pressure-sensing structure of a terminal device according to claim 1, wherein a buffer member covering the inner surface of the cover plate is fixed to the housing, and the buffer member is located between the cover plate and the first end of the transmission member.
8. Terminal device, characterized in that it comprises a pressure-sensitive structure of a terminal device according to any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674729.1U CN210297775U (en) | 2019-10-08 | 2019-10-08 | Pressure sensing structure of terminal equipment and terminal equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921674729.1U CN210297775U (en) | 2019-10-08 | 2019-10-08 | Pressure sensing structure of terminal equipment and terminal equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210297775U true CN210297775U (en) | 2020-04-10 |
Family
ID=70066255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921674729.1U Active CN210297775U (en) | 2019-10-08 | 2019-10-08 | Pressure sensing structure of terminal equipment and terminal equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210297775U (en) |
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2019
- 2019-10-08 CN CN201921674729.1U patent/CN210297775U/en active Active
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