CN110957160A - Mounting structure of terminal side button - Google Patents
Mounting structure of terminal side button Download PDFInfo
- Publication number
- CN110957160A CN110957160A CN201911304568.1A CN201911304568A CN110957160A CN 110957160 A CN110957160 A CN 110957160A CN 201911304568 A CN201911304568 A CN 201911304568A CN 110957160 A CN110957160 A CN 110957160A
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- hanging
- top plate
- tension
- elastic piece
- ball screw
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/26—Snap-action arrangements depending upon deformation of elastic members
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Abstract
The invention relates to the technical field of terminal equipment, and discloses a mounting structure of a terminal side key, which comprises a support, wherein an elastic part for mounting the key is arranged on the support, two top plates are fixedly arranged on the elastic part, and a top plate driving assembly for driving the two top plates to be close together and a tension sensor for detecting the tension of the elastic part are also arranged on the support; the tension sensor is electrically connected with the top plate driving assembly. The invention detects the tension force of the elastic element by arranging the tension sensor, controls the top plate driving assembly to automatically work if the elastic element is loosened, drives the top plate fixedly arranged on the elastic element to linearly move, tensions the elastic element to gradually increase the tension force, tightens the key again, and controls the top plate driving assembly to stop working after the tension force is increased to a preset threshold value, thereby solving the problem of key collapse caused by the looseness of the elastic element.
Description
Technical Field
The invention relates to the technical field of terminal equipment, in particular to a mounting structure of a terminal side key.
Background
At present intelligent terminal equipment, for example cell-phone or panel computer, its side button is at present just adorn and flip-chip two kinds of assembly methods, and wherein, the flip-chip is from the internally mounted of lid behind the terminal, and the table structure of hanging of flip-chip is similar to the cantilever beam, specifically is: the battery cover is provided with a support, bosses for buckling and hanging TPU (Thermoplastic polyurethane elastomer rubber) are arranged at two ends of the support, two ends of the TPU are buckled and hung on the support, the side keys are arranged on the TPU, and the TPU plays a role of rebounding, namely a traditional inverted hanging table type structure. As the TPU is continuously used by a user, the rebound performance is inevitably reduced, and when one end of the TPU is loosened, the side key is collapsed.
Disclosure of Invention
The present invention is directed to a mounting structure of a terminal-side key, which is used to solve the above technical problems.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a mounting structure of a terminal side key, which comprises a bracket, wherein an elastic piece for mounting the key is arranged on the bracket; two top plates are fixedly arranged on the elastic piece;
the support is also provided with a top plate driving assembly for driving the two top plates to be close together and a tension sensor for detecting the tension of the elastic piece; the tension sensor is electrically connected with the top plate driving assembly;
when the tension sensor detects that the tension of the elastic piece is smaller than a preset first tension threshold value, the top plate driving assembly is controlled to work to drive the two top plates to be close; when the tension sensor detects that the tension of the elastic piece is greater than or equal to a preset second tension threshold value, controlling the top plate driving assembly to stop working;
wherein the second pull force threshold is greater than the first pull force threshold.
The top plate is driven to be close to the middle through the driving assembly, so that the tension force of the elastic piece is further improved, the elastic piece is prevented from being loosened, and the key is further collapsed.
Optionally, the elastic element is fixedly provided with two keys;
the elastic piece is arranged between the two keys and reinforced with a plurality of reinforcing ribs; the elastic piece is provided with the reinforcing ribs on two sides of the top plate. Reinforcing ribs are arranged at the stretched part of the elastic part by the top plate so as to increase the strength of the stretched part and avoid local fracture.
Optionally, the top plate driving assembly is arranged between the two keys; the top plate driving assembly comprises two rotating motors and two ball screws which are in mirror symmetry;
the output shaft of each rotating motor is respectively connected with one ball screw in a shaft mode; a screw nut is connected to the ball screw in a threaded manner; and the screw nut is fixedly connected with the top plate.
Optionally, the support is fixedly connected with a plurality of hanging platforms for hanging and buckling the elastic pieces;
the hanging platforms comprise two first hanging platforms and two second hanging platforms; two ends of the elastic piece are respectively hung and buckled on the first hanging table; the two second hanging platforms are arranged between the two keys; each second hanging platform is provided with one rotating motor;
two lead screw mounting racks are also arranged between the two second hanging platforms; one end shaft of the ball screw is connected with an output shaft of the rotating motor, and the other end of the ball screw is rotatably installed on the screw installation frame through a bearing.
Optionally, the top plate driving assembly is arranged between the two keys;
the top plate driving assembly comprises a rotating motor and a ball screw; the ball screw is a bidirectional screw, and two threaded rod sections with different rotation directions are arranged on the ball screw;
an output shaft of the rotating motor is connected with the ball screw; each threaded rod section is respectively in threaded connection with a screw nut; and the screw nut is fixedly connected with the top plate.
Optionally, the support is fixedly connected with a plurality of hanging platforms for hanging and buckling the elastic pieces;
the hanging platforms comprise two first hanging platforms and two second hanging platforms; two ends of the elastic piece are respectively hung and buckled on the first hanging table; the two second hanging platforms are arranged between the two keys; the second hanging table is provided with the rotating motor;
one end of the ball screw is connected with an output shaft of the rotating motor in a shaft mode, and the other end of the ball screw is rotatably installed on the other second hanging table through a bearing.
Optionally, the reinforcing rib and the elastic piece are integrally formed;
the elastic piece is made of TPU; the reinforcing rib is made of silica gel with 60 Shore hardness.
Optionally, the key is fixedly sleeved on the elastic part; the key and the elastic piece are integrally formed.
Optionally, the top plate is fixedly arranged on the reinforcing rib.
Optionally, the terminal is a mobile phone or a tablet computer.
Compared with the prior art, the invention has the beneficial effects that: the tensioning force of the elastic piece is detected by the tension sensor, if the elastic piece is loosened, the top plate driving assembly is controlled to automatically work, the top plate fixedly arranged on the elastic piece is driven to linearly move, the elastic piece is tensioned, the tensioning force of the elastic piece is gradually increased, the key is tightened again, and the top plate driving assembly is controlled to stop working after the tensioning force is increased to a preset threshold value, so that the phenomenon that the key is collapsed due to the fact that the elastic piece is loosened is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of an installation structure of a terminal-side key according to an embodiment of the present invention.
Fig. 2 is an enlarged view of a part of a structure of a terminal-side key mounting structure according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of another terminal-side key mounting structure according to an embodiment of the present invention.
Fig. 4 is an enlarged view of a portion of another terminal-side key mounting structure according to an embodiment of the present invention.
In the figure:
100. a support; 110. a first hanging table; 120. a second hanging table; 130. a lead screw mounting bracket; 200. pressing a key; 210. an elastic member; 220. reinforcing ribs; 300. a top plate drive assembly; 310. a rotating electric machine; 320. A ball screw; 330. a feed screw nut; 400. a top plate.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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, fig. 1 is a schematic structural diagram of a terminal side key mounting structure according to an embodiment of the present invention.
In this embodiment, the terminal is a mobile office equipment such as a mobile phone, a tablet computer or a notebook computer, and the installation structure of the side key thereof includes: the hanging device comprises a bracket 100, an elastic piece 210 and a plurality of hanging platforms which are fixedly arranged on the bracket 100 and used for hanging and buckling the elastic piece 210; in this embodiment, the bracket 100 is installed on the front shell of the mobile phone, the elastic member 210 is made of TPU, and the two keys 200 are fixedly installed on the elastic member 210.
Specifically, in this embodiment, the hanging table includes two first hanging tables 110 disposed at two ends of the bracket 100; the two first hanging platforms 110 are respectively provided with a first hanging buckling groove for hanging and buckling the elastic piece 210, one side of the two ends of the elastic piece 210 facing the first hanging platforms 110 is provided with a first buckling part matched with the shape of the first hanging buckling groove, and the first buckling part is clamped in the first hanging buckling groove, so that the two ends of the elastic piece 210 are fixed with the two first hanging platforms 110.
Further, the hanging table further comprises two second hanging tables 120 arranged between the two keys 200; the second hanging platform 120 is also provided with a second hanging slot for hanging and buckling the elastic element 210, a second buckling part matched with the second hanging slot in shape is arranged at the corresponding position of the middle section of the elastic element 210, and the second buckling part is clamped in the second hanging slot, so that the middle section of the elastic element 210 is fixed with the two second hanging platforms 120. The second hanging platform 120 is added in the middle of the elastic element 210, which is equivalent to dividing the long elastic element 210 into two elastic sections for installing the key 200, so as to prevent the two-sided key 200 from collapsing due to the influence of the looseness of one side of the elastic element 210.
In order to further solve the technical problem that the single-side collapse of the keys 200 is affected by the looseness of the elastic member 210, two top plates 400 are fixedly arranged between the two keys 200 on the elastic member 210;
the bracket 100 is further provided with a top plate driving assembly 300 for driving the two top plates 400 to close and a tension sensor for detecting the tension of the elastic member 210; the tension sensor is electrically connected with the top plate driving assembly 300;
when the tension sensor detects that the tension of the elastic member 210 is smaller than a preset first tension threshold, the top plate driving assembly 300 drives the two top plates 400 to close, the tension is increased, and the key 200 is tightened; when the tension sensor detects that the tension of the elastic member 210 is greater than or equal to a preset second tension threshold, the top plate driving assembly 300 stops working; wherein the second tension threshold is greater than the first tension threshold. The second threshold tension is equal to or greater than the initial tension of the elastic member 210.
The driving assembly 300 is controlled by the tension sensor to drive the top plates 400 to move towards the middle, and the tension of the elastic part 210 between the two top plates 400 is sacrificed to restore the tension of the elastic section part for installing the key 200, so that the phenomenon that the elastic part 200 is loosened to cause the single-side collapse of the key 200 can be further avoided.
Specifically, the two ends of the elastic member 210 and the elastic member 210 between the two keys 200 are reinforced with a plurality of reinforcing ribs 220; wherein, the elastic member 210 is provided with reinforcing ribs 220 on both sides of the top plate 400. The top plate 400 is fixed to the reinforcing rib 220.
More specifically, the reinforcing rib 220 and the elastic member 210 are integrally formed; the reinforcing rib 220 is made of 60 shore-hardness silica gel.
More specifically, the key 200 is fixedly sleeved on the elastic element 210; the key 200 and the elastic member 210 are integrally formed.
More specifically, referring to fig. 2, fig. 2 is an enlarged view of a portion of a structure of a terminal side key mounting structure according to an embodiment of the present invention.
The top plate driving assembly 300 is arranged between the two keys 200; the top plate driving assembly 300 includes two rotation motors 310 and two ball screws 320 which are mirror-symmetrical;
each second hanging platform 120 is provided with a rotating motor 310; the two lead screw mounting brackets 130 are arranged between the two second hanging platforms 120; one end of the ball screw 320 is connected to an output shaft of the rotating motor 310 through a coupling shaft, and the other end of the ball screw 320 is rotatably mounted on the screw mount 130 through a bearing.
A screw nut 330 is connected to the ball screw 320 through threads; a lead screw nut 330 is fixedly connected to a top plate 400.
In this embodiment, two first hanging platforms 110 are respectively provided with a tension sensor for detecting tension on two sides of the elastic member 210, the tension sensor on the left side is electrically connected to the rotating electrical machine 310 on the left side, and the tension sensor on the right side is electrically connected to the rotating electrical machine 310 on the right side; the two tension sensors may be disposed at optional positions, one tension sensor may be disposed on each of the second hanging platforms 120, and one tension sensor may be disposed on each of the first hanging platform 110 and the second hanging platform 120.
When the tension sensor detects that the tension of the elastic element 210 is smaller than a preset first tension threshold, the rotary motor 310 electrically connected with the tension sensor is controlled to start working, the rotary motor 310 drives the ball screw 320 to rotate, the screw nut 330 is driven to linearly move in a direction away from the rotary motor 310, and the loose side of the elastic element 210 is further tensioned; and when the tension sensor detects that the tension of the elastic member 210 is greater than or equal to a preset second tension threshold, controlling the rotating motor 310 to stop working. After the tension force is increased, the key 200 is tightened, and the technical problem that the elastic piece 210 is loosened to influence the unilateral collapse of the key 200 is solved.
Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of another terminal-side key installation structure according to an embodiment of the present invention, and fig. 4 is an enlarged partial structural view of another terminal-side key installation structure according to an embodiment of the present invention.
The top plate driving assembly 300 is arranged between the two keys 200; the top plate driving assembly 300 includes a rotary motor 310 and a ball screw 320; the ball screw 320 is a bidirectional screw, and the ball screw 320 comprises two screw rod sections with different rotation directions;
an output shaft of the rotating motor 310 is connected with a ball screw 320; each threaded rod section is respectively in threaded connection with a screw nut 330; a lead screw nut 330 is fixedly connected to a top plate 400.
The hanging tables comprise two first hanging tables 110 and two second hanging tables 120; two ends of the elastic member 210 are respectively hung on a first hanging platform 110; the two second hanging platforms 120 are arranged between the two keys 200; a second hanging platform 120 is provided with a rotating motor 310;
one end of the ball screw 320 is connected to an output shaft of the rotating motor 310, and the other end of the ball screw 320 is rotatably mounted on the other second hanging platform 120 through a bearing.
In this embodiment, two first hanging platforms 110 are respectively provided with a tension sensor for detecting tension on two sides of the elastic member 210, the tension sensor on the left side is electrically connected to the rotating electrical machine 310 on the left side, and the tension sensor on the right side is electrically connected to the rotating electrical machine 310 on the right side; the two tension sensors may be disposed at optional positions, one tension sensor may be disposed on each of the second hanging platforms 120, and one tension sensor may be disposed on each of the first hanging platform 110 and the second hanging platform 120.
When any tension sensor detects that the tension of the elastic element 210 is smaller than a preset first tension threshold, the rotating motor 310 electrically connected with the tension sensor is driven to start working, the rotating motor 310 drives the ball screw 320 to rotate, the screw nut 330 on the rotating motor is driven to linearly move in the direction away from the rotating motor 310, and two loose sides of the elastic element 210 are simultaneously tensioned; and when the two tension sensors detect that the tension of the elastic element 210 is greater than or equal to a preset second tension threshold, controlling the rotating motor 310 to stop working.
In general, the two sides of the elastic member 210 are relaxed to a degree close to that of the key 200, and when the two sides are relaxed, the resilience is not limited to a value higher than that of the key 200, so that it is feasible to use the rotating motor 310 to drive the two sides to be tightened at the same time, and this way can omit a motor compared with the first embodiment.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A mounting structure of a terminal side key comprises a support, wherein an elastic piece for mounting the key is arranged on the support; it is characterized in that two top plates are fixedly arranged on the elastic piece;
the support is also provided with a top plate driving assembly for driving the two top plates to be close together and a tension sensor for detecting the tension of the elastic piece; the tension sensor is electrically connected with the top plate driving assembly;
when the tension sensor detects that the tension of the elastic piece is smaller than a preset first tension threshold value, the top plate driving assembly is controlled to work to drive the two top plates to be close; when the tension sensor detects that the tension of the elastic piece is greater than or equal to a preset second tension threshold value, controlling the top plate driving assembly to stop working;
wherein the second pull force threshold is greater than the first pull force threshold.
2. A terminal-side key mounting structure according to claim 1, wherein said elastic member is fixedly mounted with two of said keys;
the elastic piece is arranged between the two keys and reinforced with a plurality of reinforcing ribs; the elastic piece is provided with the reinforcing ribs on two sides of the top plate.
3. A terminal-side key mounting structure according to claim 2, wherein said top plate driving unit is provided between two of said keys; the top plate driving assembly comprises two rotating motors and two ball screws which are in mirror symmetry;
the output shaft of each rotating motor is respectively connected with one ball screw in a shaft mode; a screw nut is connected to the ball screw in a threaded manner; and the screw nut is fixedly connected with the top plate.
4. The mounting structure of a terminal side key according to claim 3, wherein a plurality of hanging platforms for hanging and buckling the elastic member are fixedly connected to the bracket;
the hanging platforms comprise two first hanging platforms and two second hanging platforms; two ends of the elastic piece are respectively hung and buckled on the first hanging table; the two second hanging platforms are arranged between the two keys; each second hanging platform is provided with one rotating motor;
two lead screw mounting racks are also arranged between the two second hanging platforms; one end shaft of the ball screw is connected with an output shaft of the rotating motor, and the other end of the ball screw is rotatably installed on the screw installation frame through a bearing.
5. A terminal-side key mounting structure according to claim 2, wherein said top plate driving unit is provided between two of said keys;
the top plate driving assembly comprises a rotating motor and a ball screw; the ball screw is a bidirectional screw, and two threaded rod sections with different rotation directions are arranged on the ball screw;
an output shaft of the rotating motor is connected with the ball screw; each threaded rod section is respectively in threaded connection with a screw nut; and the screw nut is fixedly connected with the top plate.
6. The mounting structure of a terminal side key according to claim 5, wherein a plurality of hanging platforms for hanging and buckling the elastic member are fixedly connected to the bracket;
the hanging platforms comprise two first hanging platforms and two second hanging platforms; two ends of the elastic piece are respectively hung and buckled on the first hanging table; the two second hanging platforms are arranged between the two keys; the second hanging table is provided with the rotating motor;
one end of the ball screw is connected with an output shaft of the rotating motor in a shaft mode, and the other end of the ball screw is rotatably installed on the other second hanging table through a bearing.
7. A terminal-side key attachment structure according to claim 2, wherein said reinforcing rib and said elastic member are integrally formed;
the elastic piece is made of TPU; the reinforcing rib is made of silica gel with 60 Shore hardness.
8. A terminal-side key mounting structure according to claim 2, wherein said key is fixedly fitted to said elastic member; the key and the elastic piece are integrally formed.
9. A terminal-side key attachment structure according to claim 2, wherein said top plate is fixedly provided to said reinforcing rib.
10. The structure of claim 1, wherein the terminal is a mobile phone or a tablet computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304568.1A CN110957160B (en) | 2019-12-17 | 2019-12-17 | Mounting structure of terminal side button |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911304568.1A CN110957160B (en) | 2019-12-17 | 2019-12-17 | Mounting structure of terminal side button |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110957160A true CN110957160A (en) | 2020-04-03 |
| CN110957160B CN110957160B (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911304568.1A Active CN110957160B (en) | 2019-12-17 | 2019-12-17 | Mounting structure of terminal side button |
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| Country | Link |
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| CN (1) | CN110957160B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111935378A (en) * | 2020-08-18 | 2020-11-13 | 上海摩勤智能技术有限公司 | Semi-automatic camera elevating system and electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN110957160B (en) | 2021-12-24 |
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