CN209312634U - A kind of key device of film control switch - Google Patents
A kind of key device of film control switch Download PDFInfo
- Publication number
- CN209312634U CN209312634U CN201920118333.2U CN201920118333U CN209312634U CN 209312634 U CN209312634 U CN 209312634U CN 201920118333 U CN201920118333 U CN 201920118333U CN 209312634 U CN209312634 U CN 209312634U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- arc
- elastic part
- shaped elastic
- film layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Push-Button Switches (AREA)
Abstract
The utility model discloses a kind of key devices of film control switch, including shell, corresponding position is fixedly connected to lower circuit board at the top of lower film layer, the top center position of lower circuit board is fixedly connected with insulating supporting column, circuit board is fixedly connected at the top of insulating supporting column, reset spring is fixedly connected between upper film layer and the corresponding two sides of lower film layer and positioned at the two sides of contact point and firing point, arc-shaped elastic part is fixedly connected at the top of support plate, the inner wall top center position of arc-shaped elastic part is fixedly connected with compression bar, the top center position of support plate and be located at compression bar surface be fixedly connected with pilot sleeve, the utility model relates to membrane switch technology fields.A kind of key device of film control switch, has reached and has automatically reset, and the effect fitted closely, structure is simple, easy to use, effectively prevents the case where instruction repeats, improves work efficiency, reduce shaking, improve service performance.
Description
Technical field
The utility model relates to membrane switch technology field, specially a kind of key device of film control switch.
Background technique
Membrane keyboard is an example of thin film switch scope, the more and neat and orderly thin film switch of key, people's habit
Used to be referred to as membrane keyboard, membrane keyboard is made of panel, upper circuit, separation layer, four part of lower circuit；It is the one of international popular
Kind integrates a decorative operating system with functionality, and the key on membrane keyboard indicates key body with color difference
Position, body and size, membrane keyboard good appearance, novelty more universal in the initial stage of membrane keyboard are small in size, again
Amount is light, and leakproofness is strong；Have the characteristics that moisture-proof, dust-proof, oil-stain-preventing, acid and alkali-resistance, antidetonation and long service life.It is widely used in intelligence
The fields such as electronic measuring instrument, Medical Instruments, computer control, digital lathe, electronic scale can be changed.Currently, existing in the market
The key device of film control switch structure is complicated, inconvenient to use, after long-time use, contact point can not normally be separated,
Cannot be formed and be automatically performed reset, cause repeat one instruction repeatedly, or even always repeat one instruction, cause thin film switch without
Method works normally, and working efficiency is decreased obviously, and key is bonded not closely in the shell, be easy to cause shaking, can not be normal
It bounces, causes to damage, reduce service performance.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of key device of film control switch, solves
Structure is complicated, inconvenient to use, and after long-time use, contact point can not normally be separated, and cannot be formed and be automatically performed reset, caused
It repeats an instruction repeatedly, or even repeats an instruction always, cause thin film switch can not work normally, under working efficiency is obvious
Drop, and key is bonded not closely in the shell, is be easy to cause shaking, can not normally be bounced, causes to damage, and service performance is reduced
The problem of.
(2) technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs: a kind of film control switch
Key device, including shell, the inner wall bottom of the shell are fixedly connected with lower film layer, the center of top of the lower film layer
Position is fixedly connected with firing point, and corresponding position is fixedly connected to lower circuit board at the top of the lower film layer, under described
The top center position of circuit board is fixedly connected with insulating supporting column, is fixedly connected with circuit at the top of the insulating supporting column
Plate is fixedly connected with film layer at the top of the upper circuit board, and the lower center position of the upper film layer is fixedly connected with
Contact point, it is between the upper film layer and the corresponding two sides of lower film layer and fixed positioned at contact point and the two sides of firing point
It is connected with reset spring, support plate is fixedly connected at the top of the upper film layer, is fixedly connected at the top of the support plate
Arc-shaped elastic part, the inner wall top center position of the arc-shaped elastic part are fixedly connected with compression bar, in the top of the support plate
It entreats position and is fixedly connected with pilot sleeve positioned at the surface of compression bar, the top center position of the arc-shaped elastic part is fixedly connected
There is keycap.
Preferably, the top of the support plate and be located at compression bar surface bottom portion position offer circular through hole, the circle
Through-hole is connected to pilot sleeve.
Preferably, the position of the contact point and the position of firing point are corresponding.
Preferably, the arc-shaped elastic part includes arc-shaped elastic part ontology, the surface setting of the arc-shaped elastic part ontology
Flexible metal layer, the elastic metal layer are provided with antirust coat far from the side of arc-shaped elastic part ontology, and the antirust coat is remote
Side from elastic metal layer is provided with waterproof layer, and the waterproof layer is provided with plastic layer far from the side of antirust coat.
Preferably, the material of the arc-shaped elastic part is spring steel material.
Preferably, hole compatible with keycap is offered at the top of the shell.
(3) beneficial effect
The utility model provides a kind of key device of film control switch.Have it is following the utility model has the advantages that
(1), the key device of the film control switch is fixedly connected to by corresponding position at the top of lower film layer
Lower circuit board, the top center position of lower circuit board are fixedly connected with insulating supporting column, are fixedly connected at the top of insulating supporting column
There is upper circuit board, it is between upper film layer and the corresponding two sides of lower film layer and fixed positioned at contact point and the two sides of firing point
It is connected with reset spring, has achieved the effect that automatically reset, it is structurally reasonable simple, it is easy to use, there is auto-reset function, have
Effect avoids the case where instruction repeats, and improves work efficiency.
(1), the key device of the film control switch is supported by being fixedly connected with support plate at the top of upper film layer
Arc-shaped elastic part is fixedly connected at the top of plate, the inner wall top center position of arc-shaped elastic part is fixedly connected with compression bar, support
The top center position of plate and the surface for being located at compression bar are fixedly connected with pilot sleeve, and the top center position of arc-shaped elastic part is solid
Surely it is connected with keycap, has achieved the effect that fit closely, it is structurally reasonable simple, it is easy to use, reduce shaking, avoids damaging,
Economic loss is reduced, service performance is improved.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is A-A cross-sectional view in Fig. 1；
Fig. 3 is arc-shaped elastic part cross section structure schematic diagram.
In figure: 1 shell, 2 lower film layers, 3 firing points, 4 lower circuit boards, 5 insulating supporting columns, circuit board on 6, film on 7
Layer, 8 contact points, 9 reset springs, 10 support plates, 11 arc-shaped elastic parts, 111 arc-shaped elastic part ontologies, 112 elastic metal layers,
113 antirust coats, 114 waterproof layers, 115 plastic layers, 12 compression bars, 13 pilot sleeves, 14 keycaps, 15 circular through holes.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of key device of film control switch, packet
Shell 1 is included, the inner wall bottom of shell 1 is fixedly connected with lower film layer 2, and the top center position of lower film layer 2 is fixedly connected with
Firing point 3, the corresponding position in 2 top of lower film layer are fixedly connected to lower circuit board 4, the center of top position of lower circuit board 4
It sets and is fixedly connected with insulating supporting column 5, the top of insulating supporting column 5 is fixedly connected with circuit board 6, the top of upper circuit board 6
Be fixedly connected with film layer 7, the lower center position of upper film layer 7, which is fixedly connected, has point of contact 8, the position of contact point 8 and
The position of firing point 3 is corresponding, between upper film layer 7 and the corresponding two sides of lower film layer 2 and is located at contact point 8 and firing point
3 two sides are fixedly connected to reset spring 9, and reset spring 9 has auto-reset function, and the top of upper film layer 7 is fixed to be connected
It is connected to support plate 10, the top of support plate 10 is fixedly connected with arc-shaped elastic part 11, and the material of arc-shaped elastic part 11 is spring steel
Material, arc-shaped elastic part 11 include arc-shaped elastic part ontology 111, and the surface of arc-shaped elastic part ontology 111 is provided with elastic metallic
Layer 112, elastic metal layer 112 increase self-strength, prolong the service life, elastic metal layer 112 is far from arc-shaped elastic part ontology
111 side is provided with antirust coat 113, and antirust coat 113 is provided with waterproof layer 114, waterproof far from the side of elastic metal layer 112
114 side far from antirust coat 113 of layer are provided with plastic layer 115, and the inner wall top center position of arc-shaped elastic part 11 is fixed to be connected
It is connected to compression bar 12, the top center position of the support plate 10 and surface for being located at compression bar 12 is fixedly connected with pilot sleeve 13, circular arc
The top center position of elastic component 11 is fixedly connected with keycap 14, and the top of shell 1 offers hole compatible with keycap 14, branch
The top of fagging 10 and it is located at 12 surface bottom portion position of compression bar and offers circular through hole 15, circular through hole 15 and pilot sleeve 13 connects
It is logical.
In use, keycap 14 is pressed, to arc-shaped elastic part 11 be pressed, thus by compression bar when needing to input instruction
12 drive, and the low side of compression bar 12 presses upper film layer 7, so that contact point 8 be pushed, and reset spring 9 are pushed, work as contact point
8 with firing point 3 contact when, instruction input, when unclamping keycap 14, compression bar 12 is lifted under the action of arc-shaped elastic part 11 at this time
It rises, at this time under the action of reset spring 9, contact point 8 separates automatically with firing point 3, and instruction is avoided to repeatedly input.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or equipment for including element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of key device of film control switch, including shell (1), it is characterised in that: the inner wall bottom of the shell (1)
It is fixedly connected with lower film layer (2), the top center position of the lower film layer (2) is fixedly connected with firing point (3), under described
Corresponding position is fixedly connected to lower circuit board (4) at the top of film layer (2), the center of top position of the lower circuit board (4)
Set and be fixedly connected with insulating supporting column (5), be fixedly connected with circuit board (6) at the top of the insulating supporting column (5), it is described on
It is fixedly connected at the top of circuit board (6) film layer (7), the lower center position of the upper film layer (7) is fixedly connected with
Contact point (8) between the upper film layer (7) and the corresponding two sides of lower film layer (2) and is located at contact point (8) and firing point
(3) two sides are fixedly connected to reset spring (9), are fixedly connected with support plate (10), institute at the top of the upper film layer (7)
It states and is fixedly connected at the top of support plate (10) arc-shaped elastic part (11), the inner wall center of top position of the arc-shaped elastic part (11)
Set and be fixedly connected with compression bar (12), the top center position of the support plate (10) and be located at compression bar (12) surface be fixedly connected
Have pilot sleeve (13), the top center position of the arc-shaped elastic part (11) is fixedly connected with keycap (14).
2. a kind of key device of film control switch according to claim 1, it is characterised in that: the support plate (10)
Top and be located at compression bar (12) surface bottom portion position offer circular through hole (15), the circular through hole (15) and pilot sleeve
(13) it is connected to.
3. a kind of key device of film control switch according to claim 1, it is characterised in that: the contact point (8)
Position and firing point (3) position it is corresponding.
4. a kind of key device of film control switch according to claim 1, it is characterised in that: the arc-shaped elastic part
It (11) include arc-shaped elastic part ontology (111), the surface of the arc-shaped elastic part ontology (111) is provided with elastic metal layer
(112), the elastic metal layer (112) is provided with antirust coat (113) far from the side of arc-shaped elastic part ontology (111), described
Antirust coat (113) is provided with waterproof layer (114) far from the side of elastic metal layer (112), and the waterproof layer (114) is far from antirust
The side of layer (113) is provided with plastic layer (115).
5. a kind of key device of film control switch according to claim 1, it is characterised in that: the arc-shaped elastic part
(11) material is spring steel material.
6. a kind of key device of film control switch according to claim 1, it is characterised in that: the shell (1)
Top offers and keycap (14) compatible hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118333.2U CN209312634U (en) | 2019-01-24 | 2019-01-24 | A kind of key device of film control switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118333.2U CN209312634U (en) | 2019-01-24 | 2019-01-24 | A kind of key device of film control switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209312634U true CN209312634U (en) | 2019-08-27 |
Family
ID=67681358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920118333.2U Expired - Fee Related CN209312634U (en) | 2019-01-24 | 2019-01-24 | A kind of key device of film control switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209312634U (en) |
-
2019
- 2019-01-24 CN CN201920118333.2U patent/CN209312634U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205016434U (en) | Compression keyboard structure | |
| CN209312634U (en) | A kind of key device of film control switch | |
| CN103811216B (en) | There is the keyboard of button storage function | |
| CN201853596U (en) | Key and keyboard | |
| CN202473682U (en) | Micro switch | |
| CN207425685U (en) | A kind of thin film switch of manual dexterity | |
| CN201853595U (en) | Key and keyboard | |
| CN208045366U (en) | A kind of touch-switch with dustproof construction | |
| CN204348569U (en) | A kind of novel keyboard switch | |
| CN209312639U (en) | A kind of thin film switch control panel | |
| US20130161173A1 (en) | Button assembly with one elastic member for multiple buttons | |
| CN214331089U (en) | Silica gel plate convenient to install | |
| CN209312637U (en) | A kind of film computor-keyboard | |
| CN201984995U (en) | Keycap assembly, key and keyboard | |
| CN203931827U (en) | Variable capacitor | |
| CN201985001U (en) | Push button and keyboard | |
| CN216213046U (en) | Thin film key with light feedback | |
| CN217061832U (en) | Control switch panel | |
| CN103943360B (en) | Variable capacitor and production method thereof | |
| CN217468243U (en) | Micro-gap switch that possesses normally open normal close magnetic blow function | |
| CN204927140U (en) | Contains disjunctor silica gel key spacing and location | |
| CN207663429U (en) | A kind of conductive board anticreep arrangements of electric connection of laminated type | |
| CN212783177U (en) | Thin film circuit switch | |
| CN215183642U (en) | Light touch switch easy to assemble | |
| CN103531391B (en) | Button and keyboard thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190827 Termination date: 20220124 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |