CN104317181A - Ceramic-backboard-contained waterproof watch - Google Patents
Ceramic-backboard-contained waterproof watch Download PDFInfo
- Publication number
- CN104317181A CN104317181A CN201410422239.8A CN201410422239A CN104317181A CN 104317181 A CN104317181 A CN 104317181A CN 201410422239 A CN201410422239 A CN 201410422239A CN 104317181 A CN104317181 A CN 104317181A
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- China
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- quoit
- backboard
- ceramic
- ceramic backboard
- watchcase
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Abstract
The invention relates to a ceramic-backboard-contained waterproof watch comprising a watchcase, dial plate installed in the watchcase, and a bottom cover connected to the bottom of the watchcase by threads. The waterproof watch is characterized in that the bottom cover comprises a ceramic backboard and a metal ring; an annular groove is formed in the circumference of the inner ring of the metal ring; and screw holes are formed in the inner side of the outer ring of the metal ring. The ceramic backboard and the metal ring are sealed and nested in a thermal expansion and cold contraction mode. The provided waterproof watch has advantages that the structure is novel, the design is reasonable, the ceramic structure can be protected from being damaged during assembling, and the sealing is reliable.
Description
Technical field
The present invention relates to wrist-watch waterproof field, particularly relate to a kind of novel structure, reasonable in design, assemble not fragile ceramic structure, seal reliable ceramic backboard water-proof watch.
Background technology
Wrist-watch is on the market metal bottom cover or the glass bottom of one mostly, comparatively common, and manufacturing technology content is low, also occurred some ceramic manual bottoms on the market, but the bottom of full ceramic material easily occurs by the damaged phenomenon of screw extruding at fit on, in addition for this reason, also has the at hand lid of some potteries and metallic combination, this to a certain extent, the probability of the ceramic backboard breakage of reduction, but ceramic backboard how to coordinate with metal enclosed be a larger problem always.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of novel structure, reasonable in design, assembles not fragile ceramic structure, seals reliable ceramic backboard water-proof watch.
For solving above technical matters, technical scheme of the present invention is: a kind of ceramic backboard water-proof watch, comprise watchcase, the dial plate installed in watchcase, be threaded connection the bottom bottom watchcase, its innovative point is: bottom comprises ceramic backboard and quoit, quoit inner ring circumference open loop connected in star, open screw inside quoit outer shroud, ceramic backboard and quoit realize sealing nested by the mode of expanding with heat and contract with cold.
On this basis, the reverse side global formation relative with annular groove at quoit has annular ridge, and the external diameter of this annular ridge is identical with watchcase bottom inner diameter.
On this basis, the thickness of this quoit reduces from the inside to the outside gradually.
On this basis, the diameter of groove is less than the diameter of ceramic backboard, and depth of groove 0.10mm less of the thickness of ceramic backboard.
On this basis, water proof ring is set between annular ridge and watchcase.
On this basis, filling adhesive in the nested gap of annular groove with ceramic backboard.
On this basis, to adopt following steps to realize closely nested for ceramic backboard and quoit:
1) making groove diameter is the quoit of a, and the another side global formation relative with annular groove at quoit has annular ridge, and size is the ceramic backboard moulded pottery not yet put in a kiln to bake of 20% in 1.25a-1.5a shrinkage factor;
2) with the high-temperature calcination of 1200-1400 DEG C pottery backboard moulded pottery not yet put in a kiln to bake 20-40min, burn down and be of a size of between a-1.2a, the ceramic backboard that sinters of polishing to diameter between a-1.0112a;
3) with high temperature, heating 5-15min is carried out to quoit;
4) the ceramic backboard of having polished is put into groove, treat that quoit is cooled to normal temperature and can realizes interference fit between quoit and ceramic backboard.
The invention has the beneficial effects as follows: the ceramic backboard water-proof watch that the present invention makes structurally possesses enough novelties, in the design of especially ceramic backboard, technology content is higher, what utilize metal adds expansion principle, the ceramic backboard of having polished is put into the quoit after heating, treat that it cools, ceramic backboard is tamping by automatic contraction, interference fit between quoit and ceramic backboard, thus the reliability effectively raising sealing; The reverse side global formation of quoit has annular ridge, and the external diameter of this annular ridge is slightly less than watchcase bottom inner diameter, and this structure plays the effect of location, makes fit on become convenient; The thickness of quoit reduces from the inside to the outside gradually, and this structure makes one-piece construction more compact on the one hand, reduces the length of screw on the other hand, fastening more reliable; The diameter of groove is less than the diameter of ceramic backboard, and the degree of depth of groove only 0.10mm less of the thickness of ceramic backboard, is convenient to install, and guarantees that quoit front inner ring and ceramic backboard are smooth, conveniently coordinates installation and reaches the effect of sealing; Between annular ridge and watchcase, arrange water proof ring, more strengthen the reliability of sealing, between ceramic backboard and groove, on figure, bonding agent is equally also to improve sealing property.
Accompanying drawing explanation
Fig. 1 is the first embodiment pottery backboard Facad structure schematic diagram of the present invention.
Fig. 2 is the first embodiment pottery backboard inverse layer structure schematic diagram of the present invention.
Fig. 3 is the second embodiment of the present invention pottery backboard inverse layer structure schematic diagram.
Fig. 4 is the second embodiment of the present invention pottery backboard cross section structure schematic diagram.
Fig. 5 is the third embodiment pottery backboard cross section structure schematic diagram of the present invention.
Fig. 6 is the present invention's the 4th kind of embodiment pottery backboard cross section structure schematic diagram.
Wherein, 1-watchcase, 2-bottom, 3-screw, 4-quoit, 5-groove, 6-pottery backboard, 7-annular ridge, 8-water proof ring, 9-bonding agent.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail;
Embodiment 1, as shown in Fig. 1 Fig. 2, a kind of ceramic backboard water-proof watch, comprise watchcase 1, the dial plate installed in watchcase 1, be assemblied in the bottom 2 bottom watchcase 1 by screw, this bottom 2 comprises the quoit 4 offering screw 3, at the front inner ring circumference open loop connected in star 5 of quoit 4, and be closely nested in the ceramic backboard 6 in groove 5 by the mode of expanding with heat and contract with cold.
Embodiment 2, as shown in Fig. 3 Fig. 4, the reverse side global formation relative with annular groove 5 at quoit 4 has annular ridge 7, and the external diameter of this annular ridge 7 is less than watchcase 1 bottom inner diameter; The benefit of this structure is: the effect playing location, makes fit on become convenient.
And the thickness of this quoit 4 reduces from the inside to the outside gradually; The benefit of this structure is: make one-piece construction more compact on the one hand, reduces the length of screw on the other hand, fastening more reliable.
The diameter of groove 5 is less than the diameter of ceramic backboard 6, and the little 0.10mm of thickness of the depth ratio of groove 5 pottery backboard 6; The benefit of this structure is: be convenient to install, and guarantees that quoit 4 front inner ring and ceramic backboard 6 are smooth, the convenient effect coordinating installation to reach sealing.
Embodiment 3, as shown in Figure 5, arranges the reliability that water proof ring 8 more strengthens sealing between annular ridge 7 and watchcase 1.
Embodiment 4, as shown in Figure 6, between ceramic backboard 6 and groove 5, on figure, bonding agent 9 is equally also guarantee that sealing is reliable.
Quoit 4 step closely nested with ceramic backboard 6 is as follows:
(1) make the quoit 4 that groove 5 diameter is a, the another side global formation relative with annular groove at quoit 4 has annular ridge 7, and size is the ceramic backboard moulded pottery not yet put in a kiln to bake of 20% in 1.25a-1.5a shrinkage factor;
(2) with the high-temperature calcination pottery backboard moulded pottery not yet put in a kiln to bake 20-40min of 1200-1400 DEG C, burn down and be of a size of between a-1.2a, ceramic backboard 6 to the diameter that polishing sinters is between a-1.0112a;
(3) with high temperature, heating 5-15min is carried out to quoit 4;
(4) the ceramic backboard 6 of having polished is put into groove 5, treat that quoit 4 is cooled to normal temperature and can realizes interference fit between quoit 4 and ceramic backboard 6;
Embodiment 5, we get the quoit 4 that groove 5 diameter is 3.2cm, and the ceramic backboard moulded pottery not yet put in a kiln to bake of diameter 4.1cm, with the high-temperature calcination pottery backboard moulded pottery not yet put in a kiln to bake 30min of 1000 DEG C, ceramic backboard 6 diameter after actual measurement sintering is 3.28cm, and ceramic backboard 6 to the diameter sintered of polishing is 3.21cm; With the high temperature of 700 DEG C, heating 10min is carried out to quoit 4, now the thermal expansivity of quoit 4 is 0.000016m/K, be diameter 3.23cm by quoit 4 thermal expansion of original diameter 3.2cm, and then the ceramic backboard 6 sintered of polishing is positioned in the quoit 4 of heating, treat that it cools.
Structural principle: heating of metal circle 4, in the present invention, 700 DEG C of corresponding stainless steel hot expansion coefficient are 0.000016m/K, after to be heated, quoit 4 expands, again the ceramic backboard 6 originally cannot putting into groove 5 region is put into wherein, after quoit 4 cools, shrink and ceramic backboard 6 is tamping, realize the interference fit of ceramic backboard 6 with quoit 4, thus make sealing reliable.
Claims (7)
1. a ceramic backboard water-proof watch, comprise watchcase (1), the dial plate installed in watchcase, be threaded connection the bottom (2) bottom watchcase, it is characterized in that: bottom comprises ceramic backboard (6) and quoit (4), quoit inner ring circumference open loop connected in star (5), opens screw (3) inside quoit outer shroud, ceramic backboard and quoit realize sealing nested by the mode of expanding with heat and contract with cold.
2. ceramic backboard water-proof watch according to claim 1, is characterized in that: have annular ridge (7) at the reverse side global formation that quoit is relative with annular groove, and the external diameter of this annular ridge to be less than watchcase bottom inner diameter identical.
3. ceramic backboard water-proof watch according to claim 1, is characterized in that: the thickness of this quoit reduces from the inside to the outside gradually.
4. ceramic backboard water-proof watch according to claim 1, is characterized in that: the diameter of groove is less than the diameter of ceramic backboard, and depth of groove 0.10mm less of the thickness of ceramic backboard.
5. ceramic backboard water-proof watch according to claim 1, is characterized in that: between annular ridge and watchcase, arrange water proof ring (8).
6. ceramic backboard water-proof watch according to claim 1, is characterized in that: filling adhesive (9) in the nested gap of annular groove with ceramic backboard.
7. ceramic backboard water-proof watch according to claim 1, is characterized in that: it is closely nested that ceramic backboard and quoit adopt following steps to realize:
(1) making groove diameter is the quoit of a, and the another side global formation relative with annular groove at quoit has annular ridge, and size is the ceramic backboard moulded pottery not yet put in a kiln to bake of 20% in 1.25a-1.5a shrinkage factor;
(2) with the high-temperature calcination of 1200-1400 DEG C pottery backboard moulded pottery not yet put in a kiln to bake 20-40min, burn down and be of a size of between a-1.2a, the ceramic backboard that sinters of polishing to diameter between a-1.0112a;
(3) with high temperature, heating 5-15min is carried out to quoit;
(4) the ceramic backboard of having polished is put into groove, treat that quoit is cooled to normal temperature and can realizes interference fit between quoit and ceramic backboard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422239.8A CN104317181A (en) | 2014-08-26 | 2014-08-26 | Ceramic-backboard-contained waterproof watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422239.8A CN104317181A (en) | 2014-08-26 | 2014-08-26 | Ceramic-backboard-contained waterproof watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104317181A true CN104317181A (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410422239.8A Pending CN104317181A (en) | 2014-08-26 | 2014-08-26 | Ceramic-backboard-contained waterproof watch |
Country Status (1)
| Country | Link |
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| CN (1) | CN104317181A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348784A (en) * | 2016-08-23 | 2017-01-25 | 东莞华晶粉末冶金有限公司 | Mobile terminal back plate, preparation method thereof and mobile terminal |
| CN109683465A (en) * | 2018-12-14 | 2019-04-26 | 深圳市和盈互联科技有限公司 | Wrist-watch bottom case |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910031A (en) * | 1973-08-21 | 1975-10-07 | Citizen Watch Co Ltd | Wrist-watch casing |
| JPS5547473A (en) * | 1979-09-18 | 1980-04-03 | Kawaguchiko Seimitsu Kk | Method of manufacturing watch case |
| EP1102136A1 (en) * | 1999-11-17 | 2001-05-23 | Montres Rado S.A. | Device for assembling a cap made of hard material to the middle part of a watch |
| CN201218902Y (en) * | 2008-03-26 | 2009-04-08 | 颜东山 | Watch case |
| CN201364471Y (en) * | 2009-01-05 | 2009-12-16 | 梁明达 | Clock shell |
| CN202102259U (en) * | 2011-06-21 | 2012-01-04 | 陈德林 | Ceramic watch bottom cover and radio-controlled watch using the same |
| CN202649691U (en) * | 2012-05-18 | 2013-01-02 | 天王电子（深圳）有限公司 | Watch and watchcase thereof |
| CN204028575U (en) * | 2014-08-26 | 2014-12-17 | 上海稻房投资有限公司 | A kind of ceramic backboard water-proof watch |
-
2014
- 2014-08-26 CN CN201410422239.8A patent/CN104317181A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3910031A (en) * | 1973-08-21 | 1975-10-07 | Citizen Watch Co Ltd | Wrist-watch casing |
| JPS5547473A (en) * | 1979-09-18 | 1980-04-03 | Kawaguchiko Seimitsu Kk | Method of manufacturing watch case |
| EP1102136A1 (en) * | 1999-11-17 | 2001-05-23 | Montres Rado S.A. | Device for assembling a cap made of hard material to the middle part of a watch |
| CN201218902Y (en) * | 2008-03-26 | 2009-04-08 | 颜东山 | Watch case |
| CN201364471Y (en) * | 2009-01-05 | 2009-12-16 | 梁明达 | Clock shell |
| CN202102259U (en) * | 2011-06-21 | 2012-01-04 | 陈德林 | Ceramic watch bottom cover and radio-controlled watch using the same |
| CN202649691U (en) * | 2012-05-18 | 2013-01-02 | 天王电子（深圳）有限公司 | Watch and watchcase thereof |
| CN204028575U (en) * | 2014-08-26 | 2014-12-17 | 上海稻房投资有限公司 | A kind of ceramic backboard water-proof watch |
Non-Patent Citations (2)
| Title |
|---|
| 戴振东，岳林: "《机械设计基础》", 31 August 2005 * |
| 隋明阳: "《机械设计基础 第2版》", 31 January 2011 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106348784A (en) * | 2016-08-23 | 2017-01-25 | 东莞华晶粉末冶金有限公司 | Mobile terminal back plate, preparation method thereof and mobile terminal |
| CN106348784B (en) * | 2016-08-23 | 2019-07-05 | 东莞华晶粉末冶金有限公司 | A kind of mobile terminal backboard and preparation method thereof, mobile terminal |
| CN109683465A (en) * | 2018-12-14 | 2019-04-26 | 深圳市和盈互联科技有限公司 | Wrist-watch bottom case |
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| PB01 | Publication | ||
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Application publication date: 20150128 |