CN2670977Y

CN2670977Y - Waterproof padding layer for watch bottom cap and casing

Info

Publication number: CN2670977Y
Application number: CN 200320125193
Authority: CN
Inventors: 詹世阳
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-12-05
Filing date: 2003-12-05
Publication date: 2005-01-12
Anticipated expiration: 2013-12-05

Abstract

The utility model discloses a water-proof padding layer for a watch bottom cap and a casing. An annular groove is formed at the interface between the bottom cap and the casing and filled with liquid silica gel or gelatinous silica gel. A flexible water-proof padding layer which is in joint sealing with and is slightly protruded out of the annular groove is formed after the liquid silica gel or gelatinous silica gel dries. When the bottom cap is locked to the bottom of the casing, the flexible water-proof padding layer is tightly jointed between the bottom cap and the casing to absolutely prevent water.

Description

The waterproof bed course of bottom cover of watch and watchcase

Technical field

This novel waterproof bed course that relates to a kind of bottom cover of watch and watchcase, refer to especially a kind of by liquid state or colloidal silica being filled with in the ring groove between this bottom cover of watch and watchcase, treat its mummification after, form the waterproof bed course between this bottom and watchcase.

Background technology

The bottom of at present general wrist-watch and the water-tight device between watchcase are arranged with a ring groove on this bottom, and the waterproof washer that caulked one is made from rubber in this ring groove, and be urgent between this bottom and watchcase by this waterproof washer, to reach the purpose of waterproof.

But the above-mentioned waterproof washer that adopts, the ring groove gabarit shape that cooperates bottom because of need, so wrist-watch of each style, just the waterproof bed course that needs a kind of different gabarit shapes, that is to say, the wrist-watch of a kind of trendy profile of the every exploitation of manufacturer just needs to design, develop a kind of mould to make required waterproof washer, therefore increases its manufacturing cost and technologic puzzlement.

In addition when wrist-watch when making, refer in particular to a kind of bottom cover of watch and watchcase by powder sintered moulding, in manufacturing process, owing to can produce scale error with former design pact ± 0.1mm, in the ring groove that is arranged with on the bottom, narrow and small and the shape problem in space, can't be revised by processing modes such as mechanical lappings again, therefore when the waterproof washer of rubber was inserted, this waterproof washer might fill up the ring groove of bottom really, and and form the space between this ring groove, in addition when this bottom is locked in the bottom of watchcase, also can't be closely connected fully between bottom and watchcase, therefore often make the water-proof function of this table tool uncertain, the worry of leaking is arranged and manifest its shortcoming.

Summary of the invention

In view of this utility model creator adds and gives the research innovation, discloses the waterproof bed course of a kind of bottom cover of watch and watchcase.

The purpose of this utility model aims to provide the waterproof bed course of a kind of bottom cover of watch and watchcase, interface boundary in bottom and watchcase is shaped as a ring groove, and in this ring groove, fill with liquid-state silicon gel or colloidal silica, after this liquid state or the colloidal silica mummification, form a tool and connect airtight, and dimpling is in the soft waterproof bed course of this ring groove, when this bottom is locked in the bottom of this watchcase in ring groove, this soft waterproof bed course can be close between this bottom and watchcase, reaches the effect of absolute waterproof.

Embodiment of the present utility model can be by following explanation and accompanying drawing and be able to distinct.

Description of drawings

Fig. 1: the table tool bottom that this is novel and the decomposing schematic representation of watchcase.

Fig. 2: show this novel synoptic diagram that in bottom, injects liquid state or colloidal silica.

Fig. 3: show that the air-dry back of liquid state shown in Figure 2 or colloidal silica forms the synoptic diagram of a soft waterproof bed course.

Fig. 4: show the synoptic diagram after this bottom is locked in this watchcase.

Fig. 5: the second embodiment synoptic diagram that this is novel.

Fig. 6: the synoptic diagram when showing injection liquid state embodiment illustrated in fig. 5 or colloidal silica.

Fig. 7: show the table after assembling the is finished embodiment illustrated in fig. 5 structure synoptic diagram of signing an undertaking.

Fig. 8: the 3rd embodiment synoptic diagram that this is novel.

Fig. 9: the synoptic diagram when showing injection liquid state embodiment illustrated in fig. 5 or colloidal silica.

Figure 10: show the table after assembling the is finished embodiment illustrated in fig. 5 structure synoptic diagram of signing an undertaking.

Embodiment

See also Fig. 1 to shown in Figure 10, the utility model is about the waterproof bed course of a kind of bottom cover of watch and watchcase, be shaped as a ring groove 4 in the bottom 1 of wrist-watch and the interface boundary of watchcase 2, and in this ring groove 4, fill with liquid-state silicon gel or colloidal silica 3a, after this liquid state or the colloidal silica 3a mummification, forming a tool connects airtight in ring groove 4, and dimpling is in the soft waterproof bed course 3 of this ring groove 4, with when this bottom 1 is locked in the bottom of this watchcase 2, this soft waterproof bed course 3 can be close to 2 of this bottom 1 and watchcases, reaches the effect of absolute waterproof.

As shown in Figures 1 to 4, the waterproof bed course of bottom cover of watch that the utility model disclosed and watchcase, wherein ring is established a ring groove 4 on the plate face of bottom 1, corresponding to card 21 around the bottom of this watchcase 2, make in the ring groove 4 of this bottom 1 and fill with liquid-state silicon gel or colloidal silica 3a, and the liquid level of the liquid-state silicon gel that injected of order or colloidal silica 3a is higher than the apical margin (as shown in Figure 2) of these ring groove 4 two side walls because of the cohesion effect, after treating this liquid state or colloidal silica 3a mummification, forming a tool connects airtight in this bottom ring groove 4, and dimpling is in the soft waterproof bed course 3 of this ring groove 4, as shown in Figure 3, with when this bottom 1 is locked in the bottom of this watchcase 2, this soft waterproof bed course 3 can be close to 2 of this bottom 1 and watchcases, reaches the effect of absolute waterproof.

The waterproof bed course of bottom cover of watch that the utility model discloses and watchcase, owing to inject the ring groove 4 of this bottom cover of watch 1 with liquid state or colloidal silica 3a, no matter the table tool that therefore is which kind of shape is all applicable, that is to say that the utility model can be applied at present traditional table tool.

Because the waterproof bed course of bottom cover of watch that the utility model discloses and watchcase, when liquid state or colloidal silica 3a inject the ring groove 4 of this bottom 1, this liquid state or colloidal silica 3a can fill up this ring groove 4 fully, therefore do not have between traditional rubber washer that is adopted and this ring groove and still have plurality of gaps, really the shortcoming of waterproof, the utility model can fill up fully because of manufacturing dimension space that error is formed or recess with the bottom 1 of powder sintered moulding, to reach the purpose of waterproof really.

The utility model is because of injecting the ring groove 4 of this bottom cover of watch 1 with liquid state or colloidal silica 3a, so 4 one-tenth round, square types, irregularly shaped all applicable of this ring groove, and shows novel of the present utility model and practicality.

As shown in Figure 5, the waterproof bed course of bottom cover of watch that the utility model discloses and watchcase, wherein this ring groove 4 can be arranged with in the bottom of this watchcase 2, and is positioned at the periphery in this machine core housing cave 22, with as shown in Figure 6, in this ring groove 4, inject liquid state or colloidal silica 3a, and after treating its mummification, form a waterproof bed course 3 in the bottom of this watchcase 2, as shown in Figure 7, with in this bottom 1 of locking after on this watchcase 2, this soft waterproof bed course 3 can closely connected this bottom 1 on, reach the purpose of waterproof.

As shown in Figure 8, the waterproof bed course of bottom cover of watch that the utility model disclosed and watchcase, wherein the movement 5 of this wrist-watch is embedded in the core base 6, and this core base 6 is nested in the machine core housing cave 22 of this watchcase identically, and its ring groove 4 is defined in 61 of the top end faces of the machine core housing cave 22 of this watchcase 2 and its core base 6, with in the top of this core base 6 end face 61 peripheries and level off to this edge place, 22 cave, watchcase 2 machine core housing caves, inject liquid state or colloidal silica 3a, as shown in Figure 9, with after this liquid state or colloidal silica 3a mummification, in the cave, top in this machine core housing cave 22 edge, form one deck soft waterproof bed course 3 on the top end face of core base 6, as shown in figure 10, with behind this bottom 1 of interlocking, this bottom 1 this soft waterproof bed course 3 of extruding, make this soft waterproof bed course 3 closely connected between this bottom 1 and watchcase 2 interfaces, to reach the waterproof effect.

The waterproof bed course of the utility model announcement bottom cover of watch and watchcase has following feature and advantage;

1, do not need to cooperate again difform wrist-watch to make the waterproof washer of different shaping in addition, to save the mould development expense of waterproof washer, to reduce manufacturing cost.

2, be full of ring groove with liquid state or colloidal silica, can not make between formed waterproof bed course and this ring groove and form the gap, gap or pit that the mismachining tolerance that is produced in the time of promptly can filling up bottom and watchcase because of sinter molding fully generates make waterproof more certain.

This novel structure that discloses, shape can be revised application in not disobeying under this novel spirit and the category, do not exceed this novel scope.

Claims

1, the waterproof bed course of a kind of bottom cover of watch and watchcase, it is characterized in that: between the interface of bottom and watchcase, have a ring groove, and in this ring groove, be marked with liquid-state silicon gel or colloidal silica, liquid state after the mummification or colloidal silica form a tool and connect airtight in ring groove, and dimpling is in the soft waterproof bed course of this ring groove, and this soft waterproof bed course is close between this bottom and the watchcase.

2, the waterproof bed course of bottom cover of watch and watchcase according to claim 1, it is characterized in that: this ring groove is arranged with on this bottom.

3, the waterproof bed course of bottom cover of watch and watchcase according to claim 1, it is characterized in that: this ring groove is arranged with the periphery, machine core housing cave in this watchcase.

4, the waterproof bed course of bottom cover of watch and watchcase according to claim 1, wherein this wrist-watch contains a movement, this movement is embedded in the core base, and this core base is nested in the machine core housing cave of this watchcase identically, it is characterized in that: this ring groove is positioned between the top end face of the machine core housing cave of this watchcase and its core base, the top end face periphery of this core base also approaches this watchcase machine core housing cave edge and is marked with liquid state or colloidal silica, and liquid state after the mummification or colloidal silica are at the cave, top in this machine core housing cave edge, form one deck soft waterproof bed course on the top end face of core base.