CN111768997B - Key control module and control method - Google Patents
Key control module and control method Download PDFInfo
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- CN111768997B CN111768997B CN202010592615.3A CN202010592615A CN111768997B CN 111768997 B CN111768997 B CN 111768997B CN 202010592615 A CN202010592615 A CN 202010592615A CN 111768997 B CN111768997 B CN 111768997B
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- assembly
- key
- gear shaft
- gear
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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
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
-
- 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
-
- 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
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/20—Driving mechanisms
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- Push-Button Switches (AREA)
Abstract
The invention belongs to the technical field of switch control, and discloses a key control module and a control method, wherein the key control module comprises a key main body, frames with openings at two ends, a gear shaft rotatably arranged in the plane of the frames, and gears respectively arranged at two ends of the gear shaft; the character piece assembly is arranged on the key main body and is arranged at an opening at one end of the frame, and a rack assembly is arranged on one side of the character piece assembly, which faces the key main body, and is meshed with gears at two ends of the gear shaft; when the first end of the character piece component moves towards the direction of the key main body, the second end and the first end of the character piece component synchronously move towards the direction of the key main body. According to the invention, the rack assembly and the gear shaft which are matched for transmission are arranged, so that the balance downward movement of the whole character piece assembly in the pressing process is realized, the mechanical loss caused by the single-side tilting of the key is avoided, the key sensitivity can be improved, and the key touch balance is good.
Description
Technical Field
The invention relates to the technical field of switch control, in particular to a key control module and a control method.
Background
The requirement that feels and equilibrium are pressed to elevator button to elevator trade at present increases day by day, and traditional elevator button is because the reason of inherent structure, and when the size of button is great, the user often can be owing to when pressing button one end or one corner department, the tilting perk can take place for the button. This phenomenon results in no feedback of touch pressure on one hand, and on the other hand, results in unbalanced press, poor hand feeling experience, and reduced button sensitivity.
Disclosure of Invention
The invention aims to provide a key control module and a control method, which are used for solving the problems of reduced key control sensitivity and mechanical loss.
In order to achieve the purpose, the invention adopts the following technical scheme:
a key control module comprising:
the key comprises a key body, a key body and a key body, wherein the key body is a frame with openings at two ends, a rotatable gear shaft is installed in the frame, and gears are respectively arranged at two ends of the gear shaft;
the character piece assemblies are arranged on the frame and are arranged at the opening at one end of the frame, at least two rack assemblies are arranged on one side of the character piece assemblies, which faces the key main body, and are arranged at two ends of the character piece assemblies and are respectively meshed with the gears at two ends of the gear shaft; when the first end of the word piece component moves towards the direction of the key body, the rack component at the first end drives the gear at one end meshed with the first end to rotate, the gear drives the gear at the other end to synchronously rotate through the gear shaft, so that the rack component at the second end on the word piece component is driven to move, and the second end and the first end synchronously move towards the key body.
Optionally, the number of the gear shafts is at least two, and the long axis directions of at least two of the gear shafts are parallel and arranged along the length direction of the word piece assembly.
Optionally, the gear shaft is connected with the frame through at least one bearing member.
Optionally, each rack assembly comprises at least two racks, each rack engaging with one of the gears.
Optionally, each of the rack assemblies is of unitary construction.
Optionally, the character piece assembly comprises a character piece layer, a light homogenizing layer and a supporting layer, after the character piece layer, the light homogenizing layer and the supporting layer are sequentially connected, one side of the supporting layer, which is far away from the light homogenizing layer, is installed on the key body.
Optionally, still include the printing plate subassembly, the printing plate subassembly is located the other end of frame the opening, be equipped with the silica gel cover on the printing plate subassembly, the supporting layer deviates from even smooth layer one side is provided with protruding piece, the silica gel cover is located when the installation cover protruding piece.
Optionally, the key control module further includes an elastic member, the elastic member is clamped between the character piece assembly and the key main body, and the elastic member is configured to reset the character piece assembly after the character piece assembly moves under pressure.
Optionally, the elastic member is provided in plurality, the elastic members are arranged at intervals, and each elastic member is arranged on a side surface of each gear.
The invention also provides a key control method, which utilizes the key control module and comprises the following steps:
s1, the first end of the character piece assembly is pressed and moves towards the key main body;
s2, the rack assembly at the first end of the character piece assembly drives the gear on the gear shaft matched with the rack assembly to rotate, the gears at two ends of the gear shaft synchronously rotate and drive the rack assembly at the second end of the character piece assembly matched with the gear shaft to move along with the gear;
and S3, the second end of the character piece assembly synchronously moves towards the key main body along with the first end.
The invention has the beneficial effects that:
according to the key control module, the rack assembly is arranged below the character piece assembly, the gear shaft is arranged in the key main body, and the rack assembly and the gear on the gear shaft are in matched transmission, so that the whole character piece assembly is balanced and moved down in the pressing process, the mechanical loss caused by single-side tilting of the key is avoided, the key sensitivity can be improved, the key touch balance is good, and the key control module is particularly suitable for the condition that the surface area of the character piece assembly is large.
According to the key control method, the effect of balancing the stress of the key or the character sheet assembly is realized through the matching mode of the gear on the gear shaft and the rack in the rack assembly, the mechanical loss caused by single-side tilting of the key is avoided, the sensitivity of the key can be improved, and the service life of the key can be prolonged.
Drawings
FIG. 1 is an exploded schematic view of a key control module according to the present invention;
FIG. 2 is a schematic view of a key body of the key control module according to the present invention;
FIG. 3 is a front view of a key body of a key control module according to the present invention;
FIG. 4 is a front view of a tablet assembly of a key control module of the present invention;
FIG. 5 is a side view of a tablet assembly in a key control module of the present invention;
fig. 6 is a schematic diagram of the rack assembly and the gear shaft in the key control module according to the present invention.
In the figure:
1. a key body; a lettering component; a printing plate assembly; 4, an elastic piece;
11. a gear shaft; 12, a gear; a bearing member;
21. a rack assembly; 22, a word slice layer; 23, a light uniformizing piece layer; a support layer;
25. a boss member; and 31, a silica gel sleeve.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The invention provides a key control module, as shown in fig. 1-6, comprising a key main body 1, a character piece assembly 2 and a printing plate assembly 3, wherein the key main body 1 is a frame with openings at two ends, a rotatable gear shaft 11 is arranged in the frame, and gears 12 are respectively arranged at two ends of the gear shaft 11; the character piece component 2 is arranged on the frame and is arranged at an opening at one end of the frame, at least two rack components 21 are arranged on one side of the character piece component 2 facing the key main body 1 and are arranged at two ends of the character piece component 2 and are respectively meshed with the gears 12 at two ends of the gear shaft 11; when the first end of the tablet component 2 moves towards the direction of the key body 1, the rack component 21 at the first end drives the gear 12 at one end meshed with the first end to rotate, the gear drives the gear 12 at the other end to synchronously rotate through the gear shaft 11, so that the rack component 21 at the second end of the tablet component 2 is driven to move, and the second end and the first end synchronously move towards the key body 1.
According to the key control module, the rack assembly 21 is arranged below the character piece assembly 2, the gear shaft 11 is arranged in the key main body 1, and the rack assembly 21 and the gear 12 on the gear shaft 11 are in matched transmission, so that the whole character piece assembly 2 is balanced and moved down in the pressing process, mechanical loss caused by single-side tilting of the key is avoided, the key sensitivity can be improved, the key touch balance is good, and the key control module is particularly suitable for the condition that the surface area of the character piece assembly 2 is large. It should be explained that the long axis of the rack assembly 21 is perpendicular to the long axis of the gear shaft 11, the rack assembly 21 and the gear shaft 11 are mutually perpendicular and meshed, the rack assembly 21 is fixed on the character piece assembly 2, when the first end of the character piece assembly 2 is forced to move, the rack assembly 21 at the first end is driven to move, the rack assembly 21 at the second end is sequentially transmitted to move through the gear shaft 11, the second end and the first end of the character piece assembly 2 are driven to synchronously move, and therefore the situation of single-sided tilting of the character piece assembly 2 is effectively avoided.
As shown in fig. 3, there are at least two gear shafts 11, and the long axis directions of the at least two gear shafts 11 are parallel and arranged along the length direction of the tablet assembly 2. As shown in fig. 2 and 3, taking two gear shafts 11 as an example, two gear shafts 11 parallel to each other are disposed inside the key body 1, for a key or a tablet with a large length-width ratio, the long axis of the gear shaft 11 is along the length direction of the key or the tablet, two ends of each gear shaft 11 are respectively provided with a gear 12, preferably, the two gear shafts 11 have the same length, and the two gears 12 at the same end are opposite after installation.
As shown in fig. 3, the gear shaft 11 is connected to the frame by at least one bearing member 13. Because the gear shaft 11 is rotatable connection on the button main part 1, therefore in the gear shaft 11 rotation process, set up bearing piece 13 between gear shaft 11 and button main part 1, can reduce the rotational friction of gear shaft 11, reduce the material wearing and tearing, improve material life, improve the button sensitivity. In a preferred embodiment, four bearing members 13 are disposed between each gear shaft 11 and the key body 1, and the four bearing members 13 are spaced apart from each other on the key body 1 to ensure smooth rotation and fixed position of the gear shaft 11.
As shown in fig. 4, 5 and 6, each rack assembly 21 includes at least two racks, each of which is engaged with one of the gears 12. In one embodiment, as shown in fig. 6, the rack assembly 21 is located at the middle position of the two gear shafts 11, and the rack assembly 21 includes two racks, which are respectively engaged with the gears 12 on the two gear shafts 11 to form an engaging structure as shown in fig. 6. When the rack moves along the long axis direction, the gear 12 meshed with the rack is driven to rotate, the gears 12 at the two ends of the gear shaft 11 synchronously rotate, and the gear 12 at the other end drives the rack meshed with the gear to downwards move along with the gear, so that the synchronous motion of the two rack assemblies 2 is realized, the synchronous motion of the first end and the second end of the character piece assembly 2 is also realized, and the single end is prevented from tilting.
Optionally, each rack assembly 2 is of unitary construction. According to the invention, the number of the rack assemblies 2 is at least two, each rack assembly 2 comprises at least two racks, and the at least two racks on each rack assembly 2 are integrated, so that the movement consistency of each rack assembly 2 is better, the overall strength is higher, and the rack assembly has the advantages of compact structure and convenience in installation. As shown in fig. 6, a plurality of multi-tooth racks are respectively machined on both sides of the rack assembly 21 and are respectively meshed with the gears 12 on the gear shafts 11 on both sides, and the length of the rack is to ensure that the rack is well matched with the gears 12 within the movement stroke range of the tablet assembly 2.
Optionally, the character piece assembly 2 includes a character piece layer 22, a light uniformizing layer 23 and a supporting layer 24, after the character piece layer 22, the light uniformizing layer 23 and the supporting layer 24 are sequentially connected, one side of the supporting layer 24, which is away from the light uniformizing layer 23, is installed with the key main body 1. Usually, the character sheet layer 22, the light uniformizing layer 23 and the supporting layer 24 are bonded in sequence and formed into a whole, and are mounted on the frame structure of the key main body 1. The preferred buckle connection of mounting means, word piece subassembly 2 after the installation, at the button in-process, word piece subassembly 2 can have towards the spacing of the motion displacement of button main part 1 direction and the direction of deviating from button main part 1 for button main part 1, resets whole spacing on button main part 1 surface of back with word piece subassembly 2.
The key control module also comprises a printing plate component 3, the printing plate component 3 is arranged at an opening at the other end of the frame, a silica gel sleeve 31 is arranged on the printing plate component 3, a protruding piece 25 is arranged on one side of the supporting layer 24, which is far away from the uniform light piece layer 23, and the protruding piece 25 is sleeved on the silica gel sleeve 31 when the silica gel sleeve is installed. As shown in fig. 3 and 4, the silicone sleeve 31 is disposed on the printing plate assembly 3 and can pass through the key body 1 after being mounted to cooperate with the protruding member 25 disposed on the character piece assembly 2. When the character piece assembly 2 is pressed down, the protrusion piece 25 moves and contacts the silica gel sleeve 31 to transmit a switching signal to the printing plate assembly 3. Silica gel cover 31 is the elastic component, can play the cushioning effect to the holistic motion of word piece subassembly 2, improves the feeling experience of word piece subassembly 2 when the button simultaneously.
The key control module further comprises an elastic piece 4, the elastic piece 4 is clamped between the character piece assembly 2 and the key main body 1, and the elastic piece 4 is configured to reset the character piece assembly 2 after the character piece assembly 2 moves under pressure. As shown in fig. 2, the key body 1 is provided with columns, each column is sleeved with an elastic member 4, and the columns are used for limiting the elastic members 4 to ensure the positions and directions of the elastic members 4. When the word piece subassembly 2 was pressed towards button main part 1 direction, elastic potential energy was stored by the compression to elastic component 4, and the button pressure on the word piece subassembly 2 disappears, and word piece subassembly 2 can resume initial position under elastic component 4's elasticity effect, realizes reseing. In some embodiments, a sleeve member is disposed on the word piece assembly 2 at a position corresponding to the elastic member 4, an inner diameter of the sleeve member is larger than an outer diameter of the column and smaller than an outer diameter of the elastic member 4, and the sleeve member is sleeved on the column and abuts against a top end of the elastic member 4, so as to compress the elastic member 4 and reset under an elastic force of the elastic member 4.
The elastic member 4 is provided in plural, the plural elastic members 4 are arranged at intervals, and each elastic member 4 is provided on a side of each gear 12. It can be understood that the effect of the elastic member 4 in the present invention is to reset the tablet assembly 2 after the pressure applied to the tablet assembly 2 is removed, because in the case of a large size of the tablet assembly 2, the force-applying position is at the meshing position of the gear 12 and the rack assembly 21, and therefore, by disposing the elastic member 4 near the gear 12 corresponding to the position of the gear 12, the relative movement between the gear 12 and the rack assembly 21 can be more quickly promoted, so that the tablet assembly 2 is reset.
Based on the key control module provided by the invention, the invention also provides a key control method, which comprises the following steps:
s1, a first end of a character piece assembly 2 is pressed and moves towards a key main body 1;
s2, the rack assembly 21 at the first end of the character piece assembly 2 drives the gear 12 on the gear shaft 11 matched with the rack assembly to rotate, the gears 12 at the two ends of the gear shaft 11 synchronously rotate, and the rack assembly 21 at the second end of the character piece assembly 2 matched with the gear shaft is driven to move along with the gear 12;
and S3, the second end of the character piece component 2 synchronously moves towards the key main body 1 along with the first end.
According to the key control method, the effect of balancing the stress of the key or the character sheet assembly 2 is achieved through the matching mode of the gear 12 on the gear shaft 11 and the rack in the rack assembly 21, the mechanical loss caused by single-side tilting of the key is avoided, the key sensitivity can be improved, and the service life can be prolonged. It can be understood that when the surface area of the character piece assembly 2 is large, the first end of the character piece assembly 2 is tilted relative to the second end of the character piece assembly after being subjected to pressing force, and the key sensitivity is reduced or the mechanical loss is large after long-term use, so that the key control method is designed, when the first end of the character piece assembly 2 receives the pressing force, the pressing force is transmitted to the gear shaft through the rack to rotate, the rack assembly 21 at the second end moves along with the gear shaft to drive the second end and the first end of the character piece assembly 2 to synchronously move, the stress at the connecting end of the character piece assembly 2 is effectively balanced, and the tilting condition which is possibly generated when the character piece assembly 2 is pressed is avoided.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. 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 claims of the present invention.
Claims (6)
1. A key control module, comprising:
the key comprises a key body (1), wherein the key body (1) is a frame with openings at two ends, a rotatable gear shaft (11) is installed in the frame, and gears (12) are respectively arranged at two ends of the gear shaft (11);
the character piece assembly (2) is mounted on the frame and is arranged at the opening at one end of the frame, at least two rack assemblies (21) are arranged on one side, facing the key main body (1), of the character piece assembly (2), and are arranged at two ends of the character piece assembly (2) and meshed with the gears (12) at two ends of the gear shaft (11) respectively; when the first end of the character piece assembly (2) moves towards the direction of the key body (1), the rack assembly (21) at the first end drives the gear (12) at one end meshed with the first end to rotate, the gear (12) drives the gear (12) at the other end to synchronously rotate through the gear shaft (11), so that the rack assembly (21) at the second end of the character piece assembly (2) is driven to move, and the second end and the first end synchronously move towards the key body (1);
the number of the gear shafts (11) is at least two, and the long axis directions of the at least two gear shafts (11) are parallel and are arranged along the length direction of the word piece component (2);
the gear shaft (11) is connected with the frame through at least one bearing piece (13);
each rack assembly (21) comprises at least two racks, each rack being engaged with one of the gears (12);
each rack assembly (21) is of an integral structure.
2. The key control module according to claim 1, wherein the character sheet assembly (2) comprises a character sheet layer (22), a light homogenizing element layer (23) and a support layer (24), and after the character sheet layer (22), the light homogenizing element layer (23) and the support layer (24) are sequentially connected, one side of the support layer (24) departing from the light homogenizing element layer (23) is mounted with the key main body (1).
3. The key control module according to claim 2, further comprising a printing plate assembly (3), wherein the printing plate assembly (3) is provided at the opening at the other end of the frame; be equipped with silica gel cover (31) on printing plate subassembly (3), supporting layer (24) deviate from even light layer (23) one side is provided with protruding piece (25), silica gel cover (31) are located when the installation cover protruding piece (25).
4. The key control module of claim 1, further comprising an elastic member (4), wherein the elastic member (4) is interposed between the tablet assembly (2) and the key body (1), and wherein the elastic member (4) is configured to reset the tablet assembly (2) after the tablet assembly (2) is pressed.
5. The key control module according to claim 4, wherein said elastic member (4) is provided in plurality, a plurality of said elastic members (4) are provided at intervals, and each of said elastic members (4) is provided at a side of each of said gears (12).
6. A key control method, which adopts the key control module of any one of claims 1-5, is characterized by comprising the following steps:
s1, the first end of the character piece assembly (2) is pressed and moves towards the key body (1);
s2, the rack assembly (21) at the first end of the character piece assembly (2) drives the gear (12) on the gear shaft (11) matched with the rack assembly to rotate, the gears (12) at two ends of the gear shaft (11) synchronously rotate, and the rack assembly (21) at the second end of the character piece assembly (2) matched with the gear shaft is driven to move along with the gear;
and S3, the second end of the character piece component (2) synchronously moves towards the direction of the key main body (1) along with the first end.
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CN202010592615.3A CN111768997B (en) | 2020-06-24 | 2020-06-24 | Key control module and control method |
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CN202010592615.3A CN111768997B (en) | 2020-06-24 | 2020-06-24 | Key control module and control method |
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CN111768997B true CN111768997B (en) | 2022-11-22 |
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CN101832065B (en) * | 2010-03-30 | 2012-11-14 | 许汝行 | Double-keyboard mechanical coded lock |
CN204067120U (en) * | 2014-09-01 | 2014-12-31 | 华为技术有限公司 | With the button of Decorative light ring |
CN105078118B (en) * | 2015-07-16 | 2017-04-26 | 广东新宝电器股份有限公司 | Pot lid |
CN107278955A (en) * | 2017-07-18 | 2017-10-24 | 深圳市沃特沃德股份有限公司 | Intelligent object and intelligent pet device |
CN208835167U (en) * | 2018-06-29 | 2019-05-07 | 湖北美赛尔科技有限公司 | A kind of lithium ion battery closing device |
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