CN208834951U - A kind of metal clips and the integrally formed key of silica gel and its mold - Google Patents
A kind of metal clips and the integrally formed key of silica gel and its mold Download PDFInfo
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- CN208834951U CN208834951U CN201821644456.1U CN201821644456U CN208834951U CN 208834951 U CN208834951 U CN 208834951U CN 201821644456 U CN201821644456 U CN 201821644456U CN 208834951 U CN208834951 U CN 208834951U
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- China
- Prior art keywords
- metal clips
- silica gel
- press section
- deformations
- integrally formed
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Abstract
The utility model discloses a kind of metal clips and the integrally formed key of silica gel, including metal clips and silica gel, the silica gel includes fixed part, press section and deformations, the fixed position is in bottom, the press section is located at the top, the deformations link into an integrated entity fixed part and press section, the fixed part, press section connect the accommodating chamber to be formed for accommodating metal clips with deformations, the upper surface of the metal clips is partially provided with interface agent layer, the upper surface of the interface agent layer and the lower surface of press section connect, the metal clips, interfacial agents and silica gel are combined into one using integral molding techniques in mold；Gap is provided between the metal clips and fixed installation basal plane.The invention also discloses this kind of key mold used in integrated molding process, the easy appearance position offset of assembling process existing in the prior art is overcome so as to cause ineffective problem is pressed.
Description
Technical field
The utility model relates to technical field of key, and in particular to a kind of metal clips and the integrally formed key of silica gel and
Its mold.
Background technique
Metal clips is generally made of the ultra-thin stainless steel of high rigidity at present, and nickel plating or gold-plated processing are passed through in surface.Cause
There is the advantages of contact is steady, and resistance value is low, good hand touch for metal clips, be widely used in thin film switch, pcb board and printing
In the products such as wiring board.
But most of current technology is bonding by metal clips using the upper one layer of viscose glue of PET film printing, is installed to PCB
Corresponding position, top assemble silica gel push-button again, and this structure is higher to the position accuracy demand of assembling, and deviation slightly will
Influence actual pressing effect.The prior art this has also been made some improvement, and for example Chinese patent CN103607840A opinion will
Metal clips is directly welded on pcb board with the mode of SMT, dispenses PET；It proposes to glue metal clips with glue there are also technology
The mode connect is coupled with silica gel by compression leg, equally also eliminates the process of PET.But these technologies do not solve assembling fundamentally
Bad problem is pressed caused by deviation.And no matter using SMT welding or pass through glue silica gel is Nian Jie with metal clips
Together, actual manufacturing cost and not less than the key using PET construction, therefore two kinds of techniques do not obtain largely
It promotes and applies, still continues to use the structure of former PET in the industry at present.
Utility model content
In order to overcome the easy appearance position offset of assembling process existing in the prior art ineffective so as to cause pressing
Problem, the utility model provide a kind of metal clips and the integrally formed key of silica gel and used in the integrated molding processes
Mold.
In order to achieve the above object, the utility model adopts the following technical solution:
A kind of metal clips and the integrally formed key of silica gel, including metal clips and silica gel, the silica gel include fixing
Portion, press section and deformations, the fixed position are located at the top in bottom, the press section, and the deformations will fix
Portion links into an integrated entity with press section, and the fixed part, press section and deformations connect the receiving to be formed for accommodating metal clips
Chamber, the upper surface of the metal clips are partially provided with interface agent layer, the upper surface of the interface agent layer and the following table of press section
Face connection, the metal clips, interfacial agents and silica gel are combined into one using integral molding techniques in mold；The metal clips
Gap is provided with being fixedly mounted between basal plane.
Further, the both ends of the deformations are connect with the bottom end side wall of the top side wall of fixed part, press section respectively,
The deformations are vertically arranged with fixed part, press section, and the deformations are horizontal straight wall.
Further, the deformations are obliquely installed, the lower end of the deformations and the apex angle of fixed part or side wall top
The upper end of connection, deformations is connected by the side wall of excessive portion and press section.
Further, the lower surface in the excessive portion is level, and in the same plane with the lower surface of press section；It is described
The upper surface in excessive portion is inclined surface, and in the same plane with the upper surface of deformations.
Further, the basal diameter to link together in the press section and excessive portion is greater than the diameter of metal clips.
Further, the basal diameter of the press section is less than the diameter of metal clips.
Further, the centre of metal clips, in the state of not pressing, metal elastic is arranged in the interface agent layer
On piece is not provided with the outer ring position of interface agent layer and the lower surface of press section or the lower surface in excessive portion and forms gap.
A kind of mold, the mold are used to prepare the metal clips and the integrally formed key of silica gel, the mold
Interior setting includes protrusion, and the outer shape size of the protrusion is consistent with the shape size of accommodating chamber, and the raised central portion is opened
Equipped with the groove for placing metal clips.
Further, the lower surface of the groove is cambered surface or plane, so that metal clips is squeezed by silica gel at the time of molding
It is bonded after deformation with groove floor.
Further, the top-view profile of the groove and the top-view profile of metal clips are identical, so that metal clips
Horizontal sliding will not be occurred by being placed in groove.
Compared with prior art, the utility model has the following beneficial effects:
(1) metal clips of the utility model and the integrally formed key of silica gel, due to using matched mould in production
Metal clips is put into mold and is integrally formed with silica gel by tool, therefore completely solves the problem that pressing is bad caused by deviation.
Moreover, also comparing existing PET construction in manufacturing cost will save, install more easy.
(2) metal clips of the utility model and the integrally formed key of silica gel, the centre of metal clips is provided with
Interface agent layer, the diameter range of interface agent layer are slightly less than the pressing diameter of silica gel push-button, other peripheral positions do not have interfacial agents, because
The lower surface natural combination in this metal clips centre and press section during integrated molding, and peripheral position is not due to having
Interfacial agents will not be then combined together with silica gel；The lower surface that the groove of metal clips is placed in mold is cambered surface or plane, is made
It obtains after metal clips is squeezed and deformed by silica gel at the time of molding and is bonded with groove floor, metal clips is made in the elasticity of itself after molding
With lower reinstatement, to form certain gap at the non-binding position of metal clips and silica gel.Guarantee in this way in pressing
Silica gel will not interfere with the normal deformation of metal clips, so that it is guaranteed that good pressing feel.
(3) metal clips of the utility model and the integrally formed key of silica gel, further include deformations, in pressing, are pressed
Splenium is pressed, deformations can be deformed, then metal clips is pushed to touch the golden finger position on pcb board, when continuing to push, pressure
Dynamic metal clips, which deforms, generates conducting.Since the stroke of metal clips is generally shorter, only between 0.3~0.5mm, and this
When silica gel deformations design, the stroke of metal clips is supplemented using the deformation of deformations, makes the utility model can be with
It is applied to the longer occasion of range demands, even range demands are to 2mm.
Detailed description of the invention
Fig. 1 is the metal clips of embodiment 1 and the overall schematic of the integrally formed key of silica gel and its mold；
Fig. 2 is the metal clips of embodiment 2 and the overall schematic of the integrally formed key of silica gel and its mold；
Fig. 3 is the partial schematic diagram of mold.
Specific embodiment
The present invention will be further described for embodiment with reference to the accompanying drawing.
Embodiment one:
Referring to attached drawing 1, a kind of metal clips and the integrally formed key of silica gel, including metal clips 1 and silica gel, silica gel packet
Fixed part 21, press section 22 and deformations 23 are included, fixed part 21 is located at bottom, and 21 bottom of fixed part acts on pcb board or print
On brush wiring board etc., press section 22 is located at the top, the both ends of deformations 23 respectively with the top side wall of fixed part 21, press section
22 bottom end side wall connection, deformations 23 are horizontal straight wall, and deformations 23 are vertically arranged with fixed part 21, press section 22.Gu
Determine portion 21, press section 22 connect the accommodating chamber formed for accommodating metal clips 1 with deformations 23, metal clips 1 is in accommodating chamber
Interior, the upper surface of metal clips 1 is partially provided with interface agent layer (not shown), it is preferable that interface agent layer is arranged in metal clips 1
Centre, the diameter of interface agent layer is slightly less than the diameter of section of press section 22, the upper surface and press section 22 of interface agent layer
Lower surface connection, it is preferable that the basal diameter of press section 22 be less than metal clips 1 diameter.In the state of not pressing, gold
The lower surface for belonging to outer ring position and press section 22 that interface agent layer is not provided on elastic slice 1 forms gap 3, and the setting in gap 3 makes
Obtaining the silica gel in pressing will not interfere with the normal deformation of metal clips 1, so that it is guaranteed that good pressing feel；Metal clips 1, interface
Agent and silica gel are combined into one using integral molding techniques in mold.In the state of not pressing, metal clips 1 and pcb board or
Printed wiring board etc., which is fixedly mounted between basal plane, gap, is not turned on；When pressing press section 22, deformation occurs for deformations 23, then
It pushes metal clips 1 to touch the golden finger position on pcb board, when continuing to push, presses the generation that deforms of metal clips 1 and lead
It is logical.Since the stroke of metal clips 1 is generally shorter, only between 0.3~0.5mm, therefore this structure of the present embodiment is general
Relatively short occasion is required applied to pressing stroke.
Embodiment two:
On the basis of example 1, in order to make the integrally formed key of this kind of metal clips and silica gel can apply to press
Deformations 23 ' are modified and increase excessive portion 24 by the longer occasion of range demands, the present embodiment.Referring to attached drawing 2, shape
Change portion 23 is obliquely installed, and the lower end of deformations 23 ' is connect with the apex angle of fixed part 21 or side wall top, the upper end of deformations 23 '
It is connect by excessive portion 24 with the side wall of press section 22.The lower surface in excessive portion 24 is horizontal, and the lower surface with press section 22
In the same plane；The upper surface in excessive portion 24 is inclined surface, and in the same plane with the upper surface of deformations 23 '.Pressing
The basal diameter that portion 22 and excessive portion 24 link together is greater than the diameter of metal clips 1.Silica gel deformations 23 ' are set at this time
Meter, 23 ' deformation range of deformations is big, is supplemented using the deformation of deformations 23 ' the stroke of metal clips 1, keeps this practical
It is novel to can be applied to the longer occasion of range demands, even range demands also may be implemented to 2mm.
Embodiment three:
Referring to attached drawing 3, a kind of mold, this kind of mold is used to prepare above-mentioned metal clips and the integrally formed key of silica gel,
Setting includes protrusion 41 in mold 4, and the outer shape size of protrusion 41 is consistent with the shape size of accommodating chamber, 41 middle part of protrusion
Offer the groove 42 for placing metal clips 1.The top-view profile phase of the top-view profile of groove 42 and metal clips 1
Together, so that metal clips 1, which is placed in groove 42, will not occur horizontal sliding.The lower surface of groove 42 is cambered surface or plane, is made
It obtains after metal clips 1 is squeezed and deformed by silica gel at the time of molding and is bonded with 42 bottom surface of groove.In forming process, due to metal clips
1 centre is provided with interface agent layer, and the diameter range of interfacial agents is slightly less than the pressing diameter of silica gel push-button, other outer parts
Position do not have interfacial agents, therefore during integrated molding 1 centre of metal clips and press section lower surface natural combination, and
Peripheral position will not be combined together due to not having interfacial agents then with silica gel；Elastic reaction of the metal clips 1 at itself after molding
Lower reinstatement, to form certain gap at the disengaged position of metal clips 1 and silica gel.Guarantee the silicon in pressing in this way
Glue will not interfere with the normal deformation of metal clips 1, so that it is guaranteed that good pressing feel.
The foregoing is merely the better embodiment of the utility model, the utility model is not limited to above-mentioned embodiment party
Formula, there may be the structural modifications that part is small in implementation process, if various changes or modifications to the utility model are not
The spirit and scope of the utility model are detached from, and are belonged within the scope of the claims and equivalents of the utility model, then originally
Utility model is also intended to encompass these modification and variations.
Claims (10)
1. a kind of metal clips and the integrally formed key of silica gel, including metal clips and silica gel, which is characterized in that the silica gel
Including fixed part, press section and deformations, the fixed position is located at the top, the deformation in bottom, the press section
Portion links into an integrated entity fixed part and press section, and the fixed part, press section and deformations connect to be formed for accommodating metal elastic
The accommodating chamber of piece, the upper surface of the metal clips are partially provided with interface agent layer, the upper surface of the interface agent layer and pressing
The lower surface in portion connects, and the metal clips, interfacial agents and silica gel are combined into one using integral molding techniques in mold；It is described
Gap is provided between metal clips and fixed installation basal plane.
2. metal clips according to claim 1 and the integrally formed key of silica gel, which is characterized in that the deformations
Both ends are connect with the bottom end side wall of the top side wall of fixed part, press section respectively, and the deformations are vertical with fixed part, press section
Setting, the deformations are horizontal straight wall.
3. metal clips according to claim 1 and the integrally formed key of silica gel, which is characterized in that the deformations are inclined
Tiltedly setting, the lower end of the deformations and the apex angle of fixed part or side wall top connect, the upper ends of deformations by excessive portion with
The side wall of press section connects.
4. metal clips according to claim 3 and the integrally formed key of silica gel, which is characterized in that the excessive portion
Lower surface is level, and in the same plane with the lower surface of press section；The upper surface in the excessive portion is inclined surface, and and shape
The upper surface in change portion is in the same plane.
5. metal clips according to claim 4 and the integrally formed key of silica gel, which is characterized in that the press section and
The basal diameter to link together in excessive portion is greater than the diameter of metal clips.
6. metal clips according to any one of claims 1 to 5 and the integrally formed key of silica gel, which is characterized in that
The basal diameter of the press section is less than the diameter of metal clips.
7. metal clips according to claim 6 and the integrally formed key of silica gel, which is characterized in that the interface agent layer
The centre of metal clips is set, the outer ring portion of interface agent layer is not provided in the state of not pressing, on metal clips
Position forms gap with the lower surface of press section or the lower surface in excessive portion.
8. a kind of mold, which is characterized in that the mold is used to prepare metal elastic described in any one of Claims 1 to 5,7
Piece and the integrally formed key of silica gel, the interior setting of the mold includes protrusion, the outer shape size and receiving of the protrusion
The shape size of chamber is consistent, and the raised central portion offers the groove for placing metal clips.
9. mold according to claim 8, which is characterized in that the lower surface of the groove is cambered surface or plane, so that golden
Belong to after elastic slice is squeezed and deformed by silica gel at the time of molding and being bonded with groove floor.
10. mold according to claim 9, which is characterized in that the top-view profile of the groove and bowing for metal clips
View outline is identical, so that metal clips, which is placed in groove, will not occur horizontal sliding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644456.1U CN208834951U (en) | 2018-10-10 | 2018-10-10 | A kind of metal clips and the integrally formed key of silica gel and its mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644456.1U CN208834951U (en) | 2018-10-10 | 2018-10-10 | A kind of metal clips and the integrally formed key of silica gel and its mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208834951U true CN208834951U (en) | 2019-05-07 |
Family
ID=66317453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821644456.1U Expired - Fee Related CN208834951U (en) | 2018-10-10 | 2018-10-10 | A kind of metal clips and the integrally formed key of silica gel and its mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208834951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652496A (en) * | 2019-10-10 | 2021-04-13 | C & K元件股份有限公司 | Dome actuator structure and dome switch including the same |
-
2018
- 2018-10-10 CN CN201821644456.1U patent/CN208834951U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112652496A (en) * | 2019-10-10 | 2021-04-13 | C & K元件股份有限公司 | Dome actuator structure and dome switch including the same |
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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: 20190507 Termination date: 20211010 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |