CN105788931A - Sealing sleeve, key switch and keyboard - Google Patents
Sealing sleeve, key switch and keyboard Download PDFInfo
- Publication number
- CN105788931A CN105788931A CN201610320930.4A CN201610320930A CN105788931A CN 105788931 A CN105788931 A CN 105788931A CN 201610320930 A CN201610320930 A CN 201610320930A CN 105788931 A CN105788931 A CN 105788931A
- Authority
- CN
- China
- Prior art keywords
- button
- sealing shroud
- key switch
- chute
- parts
- 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.)
- Pending
Links
Classifications
-
- 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
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/86—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by the casing, e.g. sealed casings or casings reducible in size
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/002—Casings sealed
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a sealing sleeve, a key switch and a keyboard. The sealing sleeve includes a central connection region (1), a central pressing region (2), a deformation region (3) which surrounds the central pressing region (2) and is connected with the central pressing region (2), and a sealing region (4) which is connected with the deformation region (3); the central pressing region is provided with an upper slide way (21); and the sealing region is provided with a lower slide way (42). The key switch comprises a key cap, a button cover (5) and a button (6). The key switch is characterized that a sealing sleeve (10) is arranged between the key cap and the button. The key switch and the keyboard provided by the invention are waterproof and dustproof. The hand feeling and function of the key switch can be kept normal.
Description
Technical field
The present invention relates to a kind of sealing shroud, key switch and keyboard.
Background technology
Keyboard is a kind of computer peripheral device, keyboard has multiple button, and via pressing the plurality of button to input signal or instruction and to be transferred to computer, wherein have significantly high requirement for the operating characteristics of button, pressing life-span, key stroke and operating handle.
Each button of existing keyboard, the button of key switch moves up and down at button cover window, because to ensure the motility moved up and down, so all can leave certain gap.And button cap is all directly be socketed on the button of key switch; lack outer protection; when user beats button; owing to easily forming negative inspiratory pressure at key inside when the button cap of keyboard is pressed rear resilience; the easy inspiration dust in gap at key switch place or foreign material; thus affecting the performance of button, and it is difficult to keep surface cleanness.If user is in use accidentally when surface of keyboard watering or liquid beverage etc.; owing to not having sealing protection outside the junction of button cap and key switch button; liquid will flow directly to the key switch place of keyboard; make it to be effectively protected, significantly impact stability and the service life of keyboard.
Summary of the invention
Present invention aims to the deficiencies in the prior art, it is provided that a kind of sealing shroud, this sealing shroud can be applicable to the outside of key switch button and button cover bonding pad, it is possible to not changing on the basis of key switch feel and function, effectively solves the problems referred to above.
The present invention adopts the technical scheme that: a kind of sealing shroud, including central authorities bonding pad, center press district, surrounds described center press district and the deformed area being connected with described center press district and the seal area being connected with described deformed area；Described center press district is provided with upper hopper chute, and described connection seal area is provided with gliding groove.Having coordinated the connection of part on sealing shroud by the upper hopper chute of central authorities bonding pad and centrally disposed pressing area, described upper hopper chute can make part be more prone to coordinate with product, and sealing effectiveness can be played and consolidates and strengthen effect by while.Described center press district is primarily subjected to connect the force of athletic performance of product, and passes it to deformed area and act on further.
Further, described deformed area and described seal area can be arranged range selector each other stackedly, and namely the downside of described seal area can be in same level with the upside of described deformed area.By the connection having coordinated sealing shroud lower part and product of deformed area with seal area gliding groove, described gliding groove can make the connection of sealing shroud lower part more tight, sealing effectiveness can be played simultaneously and consolidate and strengthen effect.
Further, described deformed area includes at least one folding part.After sealing shroud is set in product; effect by folding part, deformed area, it is possible to ensure that the athletic performance of product will not be hindered in the environment sealed, while not affecting the performance of product; product can be made to obtain certain buffer protection on motion path, the service life of product can be increased.
Further, described sealing shroud is made up of flexible material.
Further, described flexible material, is made up of the component of following weight portion: n-butanol solvent 15-25 part, xylene solvent 2-6 part, modified butadiene acrylonitrile rubber 3-5 part, epoxy resin 20-36 part, zinc phosphate 12-15 part, mica powder 2-5 part, aluminium triphosphate 6-8 part, vinyl acetate base 25-35 part, reactive diluent 8-12 part, polyamide 22-34 part, polyvinyl butyral resin PVB8-12 part, firming agent 12-18 part, accelerator 5-12 part.
Described reactive diluent is one or more aliphatic or alicyclic epoxy radicals reactive diluent, at least one in allyl glycidyl ether, butyl glycidyl ether, 2-hexyl glycidyl ether, alicyclic cylohexanediol diglycidyl ether；Described firming agent is the amido amine of high-load imidazoline；Described accelerator is the lewis-base catalyst that epoxy resin is general.
The present invention by by epoxy resin, vinyl acetate base, polyamide blending mode obtain blending component, add rational firming agent and accelerator and proportioning, prepare flexible material；Described polyvinyl butyral resin PVB is dissolved in alcohols and nontoxic, does not remain abnormal flavour, can be used for packaging such as Folium Camelliae sinensis/medicated cigarette etc. in food industry, abnormal flavour is sensitive.Because resin is cationic, the glass surface with strong anion there is is fabulous adhesive force, the advantage with the higher transparency, tolerance to cold, ultraviolet irradiation shock-resistant, resistance to, there is good cohesive force with metal, glass, timber, pottery, fibre etc..Because itself having the crystal structure of uniqueness between zinc phosphate and aluminium triphosphate, synergistic facilitation is produced between described polyvinyl butyral resin PVB energy and zinc phosphate and aluminium triphosphate, form one layer of purification membrane nonmetallic materials to stronger absorbability on surface, and the effect of water proof and dust proof can be played.Again through the sealing shroud that integrated processing mode prepares, this sealing shroud has the advantages such as good adhesion, good pliability and good resistance to impact, is connected with product and can increase its service life.
A kind of key switch, including button cover, button, is arranged in described button cover and constitutes button portion in the middle of described button, described button portion outer cover is provided with above-mentioned sealing shroud, and described sealing shroud can along with the up and down motion deformation of described button.Sealing shroud is set in outside button and the button cover of key switch; by the protection of sealing shroud; the button enabling to key switch is effectively hedged off from the outer world with button cover bonding pad; prevent the dust of outside, foreign body, moisture from entering in the middle of the gap of this bonding pad; and can when button is connected with keycap; the partial pressure that release button bears, extends the service life of product.Additionally, what adopt due to sealing shroud is have good flexible material, then after adding this sealing shroud, sealing shroud can along with the up and down motion deformation of button, for the feel of button, function almost without impact, it is possible to improving product stability and do not affecting the performance of product while service life.
Further, described button top has connecting portion, and described connecting portion front end is provided with the first chute；The upper hopper chute that the center press district of described first chute and described sealing shroud is arranged is fitting to connection.
Further, having the connecting portion of hollow circular opening for connecting button above described button cover, described connecting portion front end has the second chute；The gliding groove that the seal area of described second chute and described sealing shroud is arranged is fitting to connection.
By this connection fit system, the sealing shroud sealing effectiveness to key switch button can be optimized further；The central bonding pad of sealing ring is connected with button, is fitting to connection by the chute of the upper hopper chute in center press district with button top, and the gliding groove of seal area is fitting to connection with button upper part of the cover chute, improves the degree of stability connected further；Described button traverse button cover and connecting portion and described keycap thereof are pivotably connected, and the protection that seals of movement between off-position and stowed position of keycap relative key completes mainly through the deformed area of sealing ring.
A kind of keyboard, described keyboard is provided with multiple above-mentioned key switch.This keyboard, by arranging sealing shroud outside key switch, has water proof and dust proof, keeps the feel of key switch, normally functioning advantage.
The present invention has the advantage that as follows:
(1) pass through in key switch, arrange sealing shroud effectively to protect outside button and button cover bonding pad, there is water proof and dust proof, keep the feel of key switch, normally functioning advantage.
(2) by arranging seal area and gliding groove, central authorities bonding pad and upper hopper chute at sealing shroud, it is possible to the connection two ends needing sealing shroud are fixed, improve release and fold the stability of mobile link, to further enhance sealing effectiveness.
Accompanying drawing explanation
Fig. 1 is the structural representation of sealing shroud of the present invention.
Fig. 2 is the structural representation of key switch button cover of the present invention.
Fig. 3 is the structural representation of key switch button of the present invention.
Fig. 4 is the explosive view of key switch of the present invention.
Detailed description of the invention
For making the purpose of the application, technical scheme and advantage clearly, below in conjunction with drawings and the specific embodiments, the application is described in further detail.
In the following description, quoting of " embodiment ", " embodiment ", " example ", " example " etc. is shown that such embodiment described or example can include special characteristic, structure, characteristic, character, element or limit, but not each embodiment or example necessarily include special characteristic, structure, characteristic, character, element or limit.It addition, reuse phrase " according to the application embodiment " although it is possible to refer to identical embodiment, but it is not necessarily referring to identical embodiment.
For the sake of simplicity, eliminate in being described below and well known to a person skilled in the art some technical characteristic.
Embodiment 1
The present embodiment provides a kind of sealing shroud, including central authorities bonding pad 1, center press district 2, surrounds described center press district 2 and the deformed area 3 being connected with described center press district and the seal area 4 being connected with described deformed area 3；
Further, described center press district is provided with upper hopper chute 21, and described connection seal area is provided with gliding groove 42.
Further, described deformed area 3 and described seal area 4 can be arranged range selector each other stackedly, and namely the downside 41 of described seal area 4 can be in same level with the upside 31 of described deformed area 3.Described deformed area 3 includes two folding parts 31.
Further, described sealing shroud is made up of flexible material.Described flexible material, is made up of the component of following weight portion: n-butanol solvent 20 parts, xylene solvent 5 parts, modified butadiene acrylonitrile rubber 4 parts, epoxy resin 28 parts, zinc phosphate 13 parts, mica powder 3 parts, aluminium triphosphate 7 parts, 30 parts of vinyl acetate base, reactive diluent 10 parts, polyamide 28 parts, polyvinyl butyral resin PVB10 part, 16 parts of firming agent, accelerator 8 parts.
A kind of key switch, including button cover 5, button 6, is arranged in described button cover and constitutes button portion in the middle of described button, described button portion outer cover is provided with above-mentioned sealing shroud 10, and described sealing shroud can along with the up and down motion deformation of described button 6.
Further, described button 6 top has connecting portion 61, and described connecting portion front end has chamfering 62；Described chamfering and described connecting portion junction have chute 63；The upper hopper chute 21 that the center press district 2 of described first chute 63 and described sealing shroud is arranged is fitting to connection.
Further, above described button cover, 5 have the connecting portion 51 of the hollow circular opening for connecting button 6, and described connecting portion front end has chamfering 52, and described chamfering and described connecting portion junction have chute 53；The gliding groove 42 that the seal area 4 of described second chute 53 and described sealing shroud is arranged is fitting to connection.
Concrete, the connected mode of described sealing shroud and described button portion is, described button connecting portion front end is arranged in described sealing shroud central authorities bonding pad, the upper hopper chute 21 in described center press district mates with the chute 63 of described button connecting portion front end and is connected, the gliding groove 42 of described sealing shroud seal area 4 mates with the chute 53 of described button cover and is connected, and forms airtight region with inside described sealing shroud outside described button portion.
A kind of keyboard, described keyboard is provided with multiple above-mentioned key switch.
Embodiment 2
The present embodiment provides a kind of sealing shroud, including central authorities bonding pad 1, center press district 2, surrounds described center press district 2 and the deformed area 3 being connected with described center press district and the seal area 4 being connected with described deformed area 3；
Further, described center press district is provided with upper hopper chute 21, and described connection seal area is provided with gliding groove 42.
Further, described deformed area 3 and described seal area 4 can be arranged range selector each other stackedly, and namely the downside 41 of described seal area 4 can be in same level with the upside 31 of described deformed area 3.Described deformed area 3 includes a folding part 31.
Further, described sealing shroud is made up of flexible material.
A kind of key switch, including button cover 5, button 6, is arranged in described button cover and constitutes button portion in the middle of described button, described button portion outer cover is provided with above-mentioned sealing shroud 10, and described sealing shroud can along with the up and down motion deformation of described button 6.
Further, described button 6 top has connecting portion 61, and described connecting portion front end has chamfering 62；Described chamfering and described connecting portion junction have chute 63；The upper hopper chute 21 that the center press district 2 of described first chute 63 and described sealing shroud is arranged is fitting to connection.
Further, above described button cover, 5 have the connecting portion 51 of the hollow circular opening for connecting button 6, and described connecting portion front end has chamfering 52, and described chamfering and described connecting portion junction have chute 53；The gliding groove 42 that the seal area 4 of described second chute 53 and described sealing shroud is arranged is fitting to connection.
A kind of keyboard, described keyboard is provided with multiple above-mentioned key switch.
Embodiment 3
The present embodiment provides a kind of sealing shroud, including central authorities bonding pad 1, center press district 2, surrounds described center press district 2 and the deformed area 3 being connected with described center press district and the seal area 4 being connected with described deformed area 3；
Further, described center press district is provided with upper hopper chute 21, and described connection seal area is provided with gliding groove 42.
Further, described deformed area 3 and described seal area 4 can be arranged range selector each other stackedly, and namely the downside 41 of described seal area 4 can be in same level with the upside 31 of described deformed area 3.Described deformed area 3 includes three folding parts 31.
Further, described sealing shroud is made up of flexible material.
A kind of key switch, including button cover 5, button 6, is arranged in described button cover and constitutes button portion in the middle of described button, described button portion outer cover is provided with above-mentioned sealing shroud 10, and described sealing shroud can along with the up and down motion deformation of described button 6.
Further, described button 6 top has connecting portion 61, and described connecting portion front end has chamfering 62；Described chamfering and described connecting portion junction have chute 63；The upper hopper chute 21 that the center press district 2 of described first chute 63 and described sealing shroud is arranged is fitting to connection.
Further, above described button cover, 5 have the connecting portion 51 of the hollow circular opening for connecting button 6, and described connecting portion front end has chamfering 52, and described chamfering and described connecting portion junction have chute 53；The gliding groove 42 that the seal area 4 of described second chute 53 and described sealing shroud is arranged is fitting to connection.
A kind of keyboard, described keyboard is provided with multiple above-mentioned key switch.
Embodiment 4
The open a kind of sealing shroud of this enforcement, key switch and keyboard, its structure is consistent with embodiment 1.The sealing shroud of the present embodiment is made up of flexible material.Described flexible material is made up of the component of following weight portion: n-butanol solvent 15 parts, xylene solvent 5 parts, modified butadiene acrylonitrile rubber 4 parts, epoxy resin 20 parts, zinc phosphate 12 parts, mica powder 3 parts, aluminium triphosphate 6 parts, 25 parts of vinyl acetate base, reactive diluent 10 parts, polyamide 22 parts, polyvinyl butyral resin PVB8 part, 16 parts of firming agent, accelerator 8 parts.
Embodiment 5
The open a kind of sealing shroud of this enforcement, key switch and keyboard, its structure is consistent with embodiment 1.The sealing shroud of the present embodiment is made up of flexible material.Described flexible material is made up of the component of following weight portion: n-butanol solvent 25 parts, xylene solvent 5 parts, modified butadiene acrylonitrile rubber 4 parts, epoxy resin 36 parts, zinc phosphate 15 parts, mica powder 3 parts, aluminium triphosphate 8 parts, 35 parts of vinyl acetate base, reactive diluent 10 parts, polyamide 34 parts, polyvinyl butyral resin PVB12 part, 16 parts of firming agent, accelerator 8 parts.
Embodiment 6
The open a kind of sealing shroud of this enforcement, key switch and keyboard, its structure is consistent with embodiment 1.The sealing shroud of the present embodiment is made up of flexible material.Described flexible material is made up of the component of following weight portion: n-butanol solvent 20 parts, xylene solvent 5 parts, modified butadiene acrylonitrile rubber 4 parts, zinc phosphate 13 parts, mica powder 3 parts, aluminium triphosphate 7 parts, reactive diluent 10 parts, polyvinyl butyral resin PVB10 part, 16 parts of firming agent, accelerator 8 parts.
Embodiment 7
The open a kind of sealing shroud of this enforcement, key switch and keyboard, its structure is consistent with embodiment 1.The sealing shroud of the present embodiment is made up of flexible material.Described flexible material is made up of the component of following weight portion: n-butanol solvent 20 parts, xylene solvent 5 parts, modified butadiene acrylonitrile rubber 4 parts, epoxy resin 28 parts, mica powder 3 parts, 30 parts of vinyl acetate base, reactive diluent 10 parts, polyamide 28 parts, 16 parts of firming agent, accelerator 8 parts.
Effect example
Comparing being provided with the key switch of sealing shroud in embodiment 1-3 as a comparison case with the key switch to be not provided with sealing shroud, carry out button number of taps mensuration, test result is shown in table 1 below.
Table 1 key switch button number of taps measures and compares
| Embodiment | Touch potential/ten thousand |
| Embodiment 1 | 6534 |
| Embodiment 2 | 61100000 |
| Embodiment 3 | 62590000 |
| Comparative example | 48680000 |
The adhesive force of sealing shroud, pliability in embodiment 1-5 are carried out test and comparison, and test result is shown in table 2 below.
The adhesive force of table 2 sealing shroud, flexible test and comparison
| Embodiment | Adhesive force/level | Pliability/mm |
| Embodiment 1 | 0 | 1.21 |
| Embodiment 4 | 1 | 0.95 |
| Embodiment 5 | 0 | 1.18 |
| Embodiment 6 | 2 | 0.23 |
| Embodiment 7 | 3 | 0.15 |
Being more than the wherein specific implementation of the present invention, it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these apparent alternative forms belong to protection scope of the present invention.
Claims (9)
1. a sealing shroud, it is characterized in that, including central authorities bonding pad (1), center press district (2), surround described center press district (2) and the deformed area (3) being connected with described center press district and the seal area (4) being connected with described deformed area (3).
2. a kind of sealing shroud according to claim 1, it is characterised in that described center press district is provided with upper hopper chute (21), and described connection seal area is provided with gliding groove (42).
3. a kind of sealing shroud according to claim 1, it is characterized in that, described deformed area (3) and described seal area (4) can be arranged range selector each other stackedly, and namely the downside (41) of described seal area (4) and the upside (31) of described deformed area (3) can be in same level.
4. a kind of sealing shroud according to claim 2, it is characterised in that described deformed area (3) include at least one folding part (31).
5. a kind of sealing shroud according to claim 1, it is characterised in that described sealing shroud is made up of flexible material.
6. a key switch, including button cover (5), button (6), it is arranged in described button cover in the middle of described button and constitutes button portion, it is characterized in that, described button portion outer cover is provided with the sealing shroud (10) according to any one of claim 1 to 5, and described sealing shroud can along with the up and down motion deformation of described button (6).
7. a kind of key switch according to claim 6, it is characterised in that described button (6) top has connecting portion (61), and described connecting portion front end is provided with the first chute (63)；The upper hopper chute (21) that the center press district (2) of described first chute (63) and described sealing shroud is arranged is fitting to connection.
8. a kind of key switch according to claim 6, it is characterised in that above described button cover, (5) have the connecting portion (51) of the hollow circular opening for connecting button (6), and described connecting portion front end has the second chute (53)；The gliding groove (42) that the seal area (4) of described second chute (53) and described sealing shroud is arranged is fitting to connection.
9. a keyboard, it is characterised in that be provided with multiple key switch as described in any one of claim 6-8 on described keyboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320930.4A CN105788931A (en) | 2016-05-16 | 2016-05-16 | Sealing sleeve, key switch and keyboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610320930.4A CN105788931A (en) | 2016-05-16 | 2016-05-16 | Sealing sleeve, key switch and keyboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105788931A true CN105788931A (en) | 2016-07-20 |
Family
ID=56378768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610320930.4A Pending CN105788931A (en) | 2016-05-16 | 2016-05-16 | Sealing sleeve, key switch and keyboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105788931A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2013101A (en) * | 1934-03-30 | 1935-09-03 | Inglee Lewis | Furring clip |
| CN201138624Y (en) * | 2007-12-27 | 2008-10-22 | 潍坊万德朗汽车电器制造有限公司 | Microswitch |
| CN104036994A (en) * | 2013-03-08 | 2014-09-10 | 昆山小小恐龙儿童用品有限公司 | Waterproof structure of switch |
| CN204167172U (en) * | 2014-10-16 | 2015-02-18 | 周阳生 | The anti-oxidant keyboard of a kind of water proof and dust proof |
| CN205159172U (en) * | 2015-11-25 | 2016-04-13 | 东莞市铭冠电子科技有限公司 | Keyboard button membrane |
| CN205751975U (en) * | 2016-05-16 | 2016-11-30 | 惠州市金万合实业有限公司 | A kind of sealing shroud, key switch and keyboard |
-
2016
- 2016-05-16 CN CN201610320930.4A patent/CN105788931A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2013101A (en) * | 1934-03-30 | 1935-09-03 | Inglee Lewis | Furring clip |
| CN201138624Y (en) * | 2007-12-27 | 2008-10-22 | 潍坊万德朗汽车电器制造有限公司 | Microswitch |
| CN104036994A (en) * | 2013-03-08 | 2014-09-10 | 昆山小小恐龙儿童用品有限公司 | Waterproof structure of switch |
| CN204167172U (en) * | 2014-10-16 | 2015-02-18 | 周阳生 | The anti-oxidant keyboard of a kind of water proof and dust proof |
| CN205159172U (en) * | 2015-11-25 | 2016-04-13 | 东莞市铭冠电子科技有限公司 | Keyboard button membrane |
| CN205751975U (en) * | 2016-05-16 | 2016-11-30 | 惠州市金万合实业有限公司 | A kind of sealing shroud, key switch and keyboard |
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Application publication date: 20160720 |
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