CN209328758U - Welding needle type double-level key and keypad - Google Patents
Welding needle type double-level key and keypad Download PDFInfo
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- CN209328758U CN209328758U CN201920116526.4U CN201920116526U CN209328758U CN 209328758 U CN209328758 U CN 209328758U CN 201920116526 U CN201920116526 U CN 201920116526U CN 209328758 U CN209328758 U CN 209328758U
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Abstract
The utility model provides a kind of welding needle type double-level key and keypad, is related to the technical field of press key equipment.Welding needle type double-level key includes button assembly, elastic feed-through assembly, FPC plate and pcb board；Elastic feed-through assembly is connected in button assembly；The elastic press-side of the first of elastic feed-through assembly upper end is connect with the upper end of FPC plate, and FPC plate is connect with pcb board, and the first elastic press-side realizes first grade of capillary, the conducting of common end capillary of pcb board by FPC plate；The elastic press-side of the second of elastic feed-through assembly lower end is connect with the lower end of FPC plate, and the second elastic press-side realizes the second gear capillary conducting of pcb board by FPC plate.One grade of conducting can only be carried out by solving existing press-key structure, using there are confinement problems.The elastic press-side of the first of the elastic feed-through assembly upper end of the utility model, FPC plate, pcb board combine one grade of conducting of realization, the elastic press-side of the second of elastic feed-through assembly lower end, FPC plate, pcb board combine two grades of conductings of realization, the simple process and low cost of pcb board.
Description
Technical field
The utility model relates to the technical fields of press key equipment, more particularly, to a kind of welding needle type double-level key and key
Plate.
Background technique
Key is mainly used in remote controler, public electric appliance keypad, in household electrical appliance keypad, to realize transmitting signal, reaches
It opens, the purpose of gear shift.
The press-key structure of the prior art, as shown in Figure 1, including plastic key 11, rubber pad 12, metal clips 13 and PCBA
The lower end of plate 14 (Printed Circuit Board Assembly, printed circuit board), plastic key 11 connects rubber pad 12,
The lower end of rubber pad 12 connects metal clips 13, the lower end connection PCB A plate 14 of metal clips 13.
In use, only needing to press plastic key 11, plastic key 11 applies downward pressure, rubber pad to rubber pad 12
12 pairs of metal clips 13 apply downward pressure, make metal clips 13 that miniature deformation occur, cause the contact on metal clips 13
It is connected with PCBA board 14, completes one grade of turn on process of plastic key 11.
But existing press-key structure can only carry out one grade of conducting, in use, having some limitations；And metal
The contact of elastic slice is connected with PCBA board, and the assembly technology of PCBA board is complicated, and when manual assembly, welding, existing error is big, production
It is at high cost.
Utility model content
It is existing in the prior art to solve the purpose of this utility model is to provide a kind of welding needle type double-level key, it presses
Bond structure can only carry out one grade of conducting, using there are limitations；The technical problem of the assembly technology complexity of PCBA board.
The utility model also provides a kind of keypad, and to solve in the prior art, the press-key structure of keypad can only be carried out
One grade of conducting, using there are limitations；The technical problem of the assembly technology complexity of PCBA board.
A kind of welding needle type double-level key provided by the utility model, including button assembly, elastic feed-through assembly, FPC plate and
Pcb board；
Elastic feed-through assembly is connected in button assembly；
The elastic press-side of the first of elastic feed-through assembly upper end passes through the elastic portion of elastic feed-through assembly and the upper end of FPC plate
Connection, FPC plate connect with pcb board, and the first elasticity press-side by FPC plate, can realize first grade of capillary, public of pcb board
Hold capillary conducting；
The elastic press-side of the second of elastic feed-through assembly lower end passes through the elastic portion of elastic feed-through assembly and the lower end of FPC plate
Connection, the second elastic press-side by FPC plate, can realize the second gear capillary conducting of pcb board.
Further, elastic portion includes elastic component and cushion；
Cushion is nested in elastic component, and the first elastic press-side is connected to the upper end of elastic component, the second elastic press-side
It is connected to the lower end of elastic component, cushion can realize that the second gear capillary of pcb board is led by the second elastic press-side, FPC plate
It is logical.
Further, the lower end of cushion is connected with protrusion；
Protrusion can realize the second gear capillary conducting of pcb board by the second elastic press-side, FPC plate.
Further, elastic feed-through assembly further includes П type seat；
Cushion is connected in П type seat, and cushion is arranged in the chamber of П type seat；
Elastic component is socketed in the outside of cushion, and the upper end of elastic component is connected in П type seat, the lower end of elastic component
The elastic press-side of connection second.
Further, the first elastic press-side includes the first elastic slice, and the first elastic slice is connected to the upper end of П type seat；
Second elastic press-side includes the second elastic slice, and the second elastic slice is connected to the lower end of elastic component.
Further, the first elastic slice is connected with the first dustproof membrane, and the second elastic slice is connected with the second dustproof membrane.
Further, the first elastic slice is connected to the upper end of П type seat by the first insulating part, and the second elastic slice is exhausted by second
Edge part is connected to the lower end of elastic component.
Further, button assembly includes frame body and key, and П type seat is connected in the limiting slot of frame body；
Key is connected to the upper end of the first elastic press-side.
The utility model also provides a kind of keypad, including shell and multiple welding needle type double-level keys；
Shell is equipped with key hole, the quantity of key hole be it is corresponding with the quantity of welding needle type double-level key multiple, often
A welding needle type double-level key is connected in each key hole.
A kind of welding needle type double-level key provided by the utility model, elastic feed-through assembly are connected in button assembly, are utilized
Button assembly is defined the installation site of elastic feed-through assembly；The upper end of FPC plate passes through elastic portion and elastic feed-through assembly
The elastic press-side connection of the first of upper end so that the first elastic press-side of the upper end of FPC plate and elastic feed-through assembly upper end it
Between can be connected；The lower end of FPC plate is connect by elastic portion with the second elastic press-side of elastic feed-through assembly lower end, so that
It can be connected between the lower end of FPC plate and the second elastic press-side of elastic feed-through assembly lower end；The lower end of FPC plate also with PCB
Plate connection, so as to can be connected between FPC plate and pcb board；When pressing the first elastic press-side of elastic feed-through assembly upper end, the
One elastic press-side can be connected with FPC plate, and FPC plate is connected with first grade of capillary, the common end capillary on pcb board, realizes
The process of one grade of conducting；Continue the elastic press-side of pressing first, enables the second elastic press-side of elastic feed-through assembly lower end
It is enough to be connected with FPC plate, FPC plate is connected with the second gear capillary on pcb board, realizes the process of two grades of conductings；This is practical new
Type uses pcb board (Printed Circuit Board, printed circuit board), FPC plate (Flexible Printed Circuit
Board, flexible circuit board) structure that combines, realize the processes of two grades of conductings of key, the simple process of pcb board, production
It is at low cost.
The utility model also provides a kind of keypad, welding needle type double-level key is connected in the key hole of shell, entirely
Keypad is more flexible when using, and can quickly realize two grades of turn on process of key, the cost of pcb board is low, entirely presses
The low manufacture cost of keypad.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the press-key structure of the prior art；
Fig. 2 is schematic diagram of main cross-sectional structure of welding needle type double-level key provided by the embodiment of the utility model；
Fig. 3 is the top view of welding needle type double-level key provided by the embodiment of the utility model；
Fig. 4 is the bottom view of welding needle type double-level key provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of button assembly provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of elastic feed-through assembly provided by the embodiment of the utility model.
Icon: 11- plastic key；12- rubber pad；13- metal clips；14-PCBA plate；100- button assembly；
200- elasticity feed-through assembly；300-FPC plate；400-PCB plate；101- frame body；102- key；103- limiting slot；201-
First elastic press-side；202- elastic portion；The elastic press-side of 203- second；204- elastic component；205- cushion；206-
Protrusion；207- П type seat；208- chamber；The first elastic slice of 209-；The second elastic slice of 210-；The first dustproof membrane of 211-；212-
Second dustproof membrane；The first insulating part of 213-；The second insulating part of 214-；First grade of capillary of 401-；The common end 402- capillary；
403- second gear capillary.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Fig. 2 is schematic diagram of main cross-sectional structure of welding needle type double-level key provided by the embodiment of the utility model；Fig. 3 is this
The top view for the welding needle type double-level key that utility model embodiment provides；Fig. 4 is welding needle type provided by the embodiment of the utility model
The bottom view of double-level key.
As shown in figs. 2 to 4, a kind of welding needle type double-level key provided by the utility model, including button assembly 100, elasticity
Feed-through assembly 200, FPC plate 300 and pcb board 400；
Elastic feed-through assembly 200 is connected in button assembly 100；
The elastic press-side 201 of the first of elastic 200 upper end of feed-through assembly passes through the elastic portion 202 of elastic feed-through assembly 200
It is connect with the upper end of FPC plate 300, FPC plate 300 is connect with pcb board 400, and the first elastic press-side 201 can pass through FPC plate
300, realize that first grade of capillary 401 of pcb board 400, common end capillary 402 are connected；
The elastic press-side 203 of the second of elastic 200 lower end of feed-through assembly passes through the elastic portion 202 of elastic feed-through assembly 200
It is connect with the lower end of FPC plate 300, the second elastic press-side 203 by FPC plate 300, can realize the second gear weldering of pcb board 400
Needle 403 is connected.
In Fig. 2, elastic feed-through assembly 200 is nested in button assembly 100, and the elastic setting of feed-through assembly 200 exists
Lower part in button assembly 100, pcb board 400 are connected to the lower end of button assembly 100, with the lower end to elastic feed-through assembly 200
It is closed.
In one embodiment of the utility model, the upper end of button assembly 100 is pressed down on, is made under button assembly 100
It holds and pressure is applied to the upper end of elastic feed-through assembly 200, at this point, the upper end generation miniature deformation of elastic feed-through assembly 200, and with
FPC plate 300 is connected, and the first grade of capillary 401, common end capillary 402 on FPC plate 300 and pcb board 400 are connected, and realizes one grade
The process of conducting；The upper end for continuing downward push button assembly 100, continues the lower end of button assembly 100 to elastic conducting group
The upper end of part 200 applies pressure, at this point, miniature deformation occurs for the lower end of elastic feed-through assembly 200, and is connected with FPC plate 300,
Second gear capillary 403 on FPC plate 300 and pcb board 400 is connected, and realizes the process of two grades of conductings.
The side that the utility model is combined using button assembly 100, elastic feed-through assembly 200, FPC plate 300, pcb board 400
Formula realizes the process of two grades of conductings, uses more flexibly；And using the structure of pcb board 400, assembly technology letter
It is single, save cost of manufacture.
Further, elastic feed-through assembly 200 includes the first elastic press-side 201, elastic portion 202 and the second elasticity pressing
End 203；
First elastic press-side 201 is connected to the upper end of elastic portion 202, and the first elastic press-side 201 can pass through FPC plate
300, realize that first grade of capillary 401 of pcb board 400, common end capillary 402 are connected；
Second elastic press-side 203 is connected to the lower end of elastic portion 202, and the second elastic press-side 203 can pass through FPC plate
300, realize that the second gear capillary 403 of pcb board 400 is connected.
In Fig. 2, when button assembly 100 applies pressure to the first elastic press-side 201, the first elastic press-side 201
Miniature deformation occurs, the first elastic press-side 201 is connected with FPC plate 300, first grade of capillary on FPC plate 300 and pcb board 400
401, common end capillary 402 is connected, and realizes the process of one grade of conducting.
When continuation pressing keys component 100, when button assembly 100 continues to apply pressure to the first elastic press-side 201, the
One elastic press-side 201 applies pressure to the second elastic press-side 203 by elastic portion 202, and the second elastic press-side 203 occurs
Miniature deformation, and be connected with FPC plate 300, the second gear capillary 403 on FPC plate 300 and pcb board 400 is connected, and realizes two grades
The process of conducting.
Fig. 6 is the structural schematic diagram of elastic feed-through assembly provided by the embodiment of the utility model.
As shown in fig. 6, further, elastic portion 202 includes elastic component 204 and cushion 205；
Cushion 205 is nested in elastic component 204, and the first elastic press-side 201 is connected to the upper end of elastic component 204, the
Two elastic press-sides 203 are connected to the lower end of elastic component 204, and cushion 205 can pass through the second elastic press-side 203, FPC plate
300, realize that the second gear capillary 403 of pcb board 400 is connected.
In Fig. 6, elastic component 204 is spring, and cushion 205 is rubber pad.
Cushion 205 is nested in elastic component 204, and the upper end in elastic component 204 is arranged in cushion 205.
First elastic press-side 201, elastic component 204, the elastic press-side 203 of cushion 205, second are along same vertical
Center line setting.
In use, the elastic press-side 201 of pressing first, miniature deformation occurs for the first elastic press-side 201, and with FPC plate
300, pcb board 400 is connected, and realizes one grade of conducting, at this point, elastic component 204 applies upward anti-work to the first elastic press-side 201
Firmly, the second elastic press-side 203 is avoided to be connected.
Continue the elastic press-side 201 of pressing first, the first elastic press-side 201 is right by elastic component 204, cushion 205
Second elastic press-side 203 applies pressure, and the second elastic press-side 203 is made to occur miniature deformation, and with FPC plate 300, pcb board
400 conductings, realize two grades of conductings.
Further, the lower end of cushion 205 is connected with protrusion 206；
Protrusion 206 can realize the second gear capillary 403 of pcb board 400 by the second elastic press-side 203, FPC plate 300
Conducting.
In Fig. 6, the lower end of cushion 205 is formed with protrusion 206, and protrusion 206 is spherical for downward projection of semicircle.
When continuing to press down on the first elastic press-side 201, the protrusion 206 of 205 lower end of cushion being capable of direct low pressure
On the second elastic press-side 203, it is ensured that the central point of two elastic press-sides can be arranged concentrically, and stress is concentrated, to prolong
The service life of two elastic press-sides is grown.
Further, elastic feed-through assembly 200 further includes П type seat 207；
Cushion 205 is connected in П type seat 207, and cushion 205 is arranged in the chamber 208 of П type seat 207；
Elastic component 204 is socketed in the outside of cushion 205, and the upper end of elastic component 204 is connected in П type seat 207,
The elastic press-side 203 of lower end connection second of elastic component 204.
In Fig. 6, for cushion 205 using glue sticking in the lower end surface of П type seat 207, elastic component 204 is socketed in cushion
205 outside, the upper end of elastic component 204 abut the lower end surface for being fixed on П type seat 207, and the lower end of elastic component 204 is connected to the
On two elastic press-sides 203.
First elastic press-side 201 is connected to the upper surface of П type seat 207.
Further, the first elastic press-side 201 includes the first elastic slice 209, and the first elastic slice 209 is connected to П type seat 207
Upper end；
Second elastic press-side 203 includes the second elastic slice 210, and the second elastic slice 210 is connected to the lower end of elastic component 204.
In Fig. 6, the first elastic slice 209, the structure of the second elastic slice 210 are identical, and the middle position of two elastic slices raises upward,
When middle position to press two elastic slices, the middle position of two elastic slices can realize micro-strain to lower recess.
Further, the first elastic slice 209 is connected with the first dustproof membrane 211, and the second elastic slice 210 is connected with the second dustproof membrane
212。
The first elastic slice 209 upper end connect the first dustproof membrane 211, using the first dustproof membrane 211 to the first elastic slice 209 into
Row protection, avoids the surface of the first elastic slice 209 from falling into dust.
The second elastic slice 210 upper end connect the second dustproof membrane 212, using the second dustproof membrane 212 to the second elastic slice 210 into
Row protection, avoids the surface of the second elastic slice 210 from falling into dust.
The structure of two dustproof membranes is identical as the structure of two elastic slices, and two dustproof membranes also use the structure to raise upward,
To adapt to the structure of two elastic slices.
Further, the first elastic slice 209 is connected to the upper end of П type seat 207, the second elastic slice by the first insulating part 213
210 are connected to the lower end of elastic component 204 by the second insulating part 214.
First insulating part 213 is plastic hoop, plastic hoop by 209 clamping fixed of the first elastic slice in the upper end of П type seat 207, with
The position of first elastic slice 209 is fixed.
Second insulating part 214 is plastic hoop, plastic hoop by 210 clamping fixed of the second elastic slice in the lower end of elastic component 204, with
The position of second elastic slice 210 is fixed.
Fig. 5 is the structural schematic diagram of button assembly provided by the embodiment of the utility model.
As shown in figure 5, further, button assembly 100 includes frame body 101 and key 102, and П type seat 207 is connected to frame
In the limiting slot 103 of body 101；
Key 102 is connected to the upper end of the first elastic press-side 201.
In Fig. 5, frame body 101 is up-narrow and down-wide ladder-like, setting limiting slot 103, limiting slot 103 in frame body 101
Structure be ladder through slot identical with the external structure of frame body 101, up-narrow and down-wide.
The upper end of П type seat 207 is connected at the ladder of ladder through slot, and the first elastic slice 209 is arranged on ladder through slot top
Narrower slot in, at this point, key 102 can directly to the first elastic slice 209 apply pressure.
Key 102 is plastic material, any one in rubber material.
Key 102 is any one in cylinder, regular polygon.
The utility model also provides a kind of keypad, including shell and multiple welding needle type double-level keys；
Shell is equipped with key hole, the quantity of key hole be it is corresponding with the quantity of welding needle type double-level key multiple, often
A welding needle type double-level key is connected in each key hole.
Keypad described in the utility model is TV remote controller key plate, in air-conditioning keypad, workshop appliance keypad
Any one.
The keypad of the utility model realizes the process of two grades of key conductings, and usage mode is flexible, and pcb board
Long service life, it is at low cost.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (9)
1. a kind of welding needle type double-level key, which is characterized in that including button assembly (100), elastic feed-through assembly (200), FPC plate
(300) and pcb board (400)；
The elasticity feed-through assembly (200) is connected in the button assembly (100)；
The first elastic press-side (201) of described elasticity feed-through assembly (200) upper end passes through the elastic feed-through assembly (200)
Elastic portion (202) is connect with the upper end of the FPC plate (300), and the FPC plate (300) connect with the pcb board (400), described
First elastic press-side (201) can realize first grade of capillary of the pcb board (400) by the FPC plate (300)
(401), common end capillary (402) is connected；
The second elastic press-side (203) of described elasticity feed-through assembly (200) lower end passes through the elastic feed-through assembly (200)
Elastic portion (202) is connect with the lower end of the FPC plate (300), and the described second elastic press-side (203) can pass through the FPC
Plate (300) realizes second gear capillary (403) conducting of the pcb board (400).
2. welding needle type double-level key according to claim 1, which is characterized in that the elastic portion (202) includes elastic component
(204) and cushion (205)；
The cushion (205) is nested in the elastic component (204), and the described first elastic press-side (201) is connected to described
The upper end of elastic component (204), the described second elastic press-side (203) are connected to the lower end of the elastic component (204), the buffering
Padding (205) by the described second elastic press-side (203), the FPC plate (300), can realize the of the pcb board (400)
Two grades of capillary (403) conductings.
3. welding needle type double-level key according to claim 2, which is characterized in that the lower end of the cushion (205) connects
There are raised (206)；
The protrusion (206) can realize the pcb board by the described second elastic press-side (203), the FPC plate (300)
(400) second gear capillary (403) conducting.
4. welding needle type double-level key according to claim 3, which is characterized in that the elasticity feed-through assembly (200) is also wrapped
Include П type seat (207)；
The cushion (205) is connected in the П type seat (207), and the cushion (205) is arranged in the П type
In the chamber (208) of seat (207)；
The elastic component (204) is socketed in the outside of the cushion (205), and the upper end of the elastic component (204) abuts
In the П type seat (207), the elastic press-side (203) of lower end connection described second of the elastic component (204).
5. welding needle type double-level key according to claim 4, which is characterized in that the described first elastic press-side (201) is wrapped
It includes the first elastic slice (209), first elastic slice (209) is connected to the upper end of the П type seat (207)；
Described second elastic press-side (203) includes the second elastic slice (210), and second elastic slice (210) is connected to the elasticity
The lower end of part (204).
6. welding needle type double-level key according to claim 5, which is characterized in that first elastic slice (209) is connected with
One dustproof membrane (211), second elastic slice (210) are connected with the second dustproof membrane (212).
7. welding needle type double-level key according to claim 6, which is characterized in that first elastic slice (209) passes through first
Insulating part (213) is connected to the upper end of the П type seat (207), and second elastic slice (210) is connected by the second insulating part (214)
Connect the lower end in the elastic component (204).
8. welding needle type double-level key according to claim 7, which is characterized in that the button assembly (100) includes frame body
(101) it is connected in the limiting slot (103) of the frame body (101) with key (102), the П type seat (207)；
The key (102) is connected to the upper end of the described first elastic press-side (201).
9. a kind of keypad, which is characterized in that including shell and multiple such as welding needle types of any of claims 1-8
Double-level key；
The shell is equipped with key hole, and the quantity of the key hole is corresponding with the quantity of the welding needle type double-level key
Multiple, each welding needle type double-level key is connected in each key hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116526.4U CN209328758U (en) | 2019-01-23 | 2019-01-23 | Welding needle type double-level key and keypad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920116526.4U CN209328758U (en) | 2019-01-23 | 2019-01-23 | Welding needle type double-level key and keypad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209328758U true CN209328758U (en) | 2019-08-30 |
Family
ID=67731803
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920116526.4U Active CN209328758U (en) | 2019-01-23 | 2019-01-23 | Welding needle type double-level key and keypad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209328758U (en) |
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2019
- 2019-01-23 CN CN201920116526.4U patent/CN209328758U/en active Active
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