CN216561417U

CN216561417U - Seal structure of watch and watch

Info

Publication number: CN216561417U
Application number: CN202122646625.3U
Authority: CN
Inventors: 吴敬飞
Original assignee: Foshan Yudefeng Industrial Co ltd
Current assignee: Foshan Yudefeng Industrial Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-17
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a sealing structure of a watch and the watch, wherein the sealing structure of the watch comprises a shell, a bottom cover and a sealing ring; the shell comprises a lower end surface and an inner edge surface; the bottom cover comprises an upper end surface and an outer edge surface, a first fit clearance is formed between the upper end surface and the lower end surface, a second fit clearance is formed between the outer edge surface and the inner edge surface, and the bottom cover and the shell are fastened together through a plurality of screws; the sealing ring comprises an annular shape and comprises a first sealing lip and a second sealing lip, wherein a first convex rib is arranged at one end of the first sealing lip, which is far away from the second sealing lip, the thickness of the first convex rib is larger than that of the first sealing lip, and the first convex rib is clamped between the upper end surface and the lower end surface; the one end that first seal lip piece was kept away from to the second seal lip piece is provided with the protruding muscle of second, and the thickness of the protruding muscle of second is greater than the thickness of second seal lip piece and by the centre gripping between inner fringe face and outer fringe face. According to the utility model, two sealing structures are formed at the matched gap between the shell and the bottom cover, so that the sealing property of the watch is improved.

Description

Seal structure of watch and watch

Technical Field

The utility model relates to the technical field of watches, in particular to a sealing structure of a watch and the watch.

Background

With the continuous improvement of living standard of people, watches have become popular and no longer only serve as timing tools, but also have decorative functions, so that the watches are required to be worn in different occasions, such as swimming and diving environments, and the watches are required to have better waterproof performance so as to avoid the damage of electronic devices and precise transmission parts caused by water entering the watches. The existing watch sealing structure mostly adopts a sealing rubber strip, which is mainly arranged at the matching position of the outer shell and the bottom cover of the watch, the bottom cover is pressed and fixed on the outer shell through a screw, after the screw is screwed down, a sealing ring is pressed and sealed by utilizing the end surface of the outer shell and the end surface of the bottom cover, so that the sealing ring forms a sealing structure between the end surface of the outer shell and the end surface of the bottom cover, although the sealing structure can reach a certain sealing grade, the sealing structure can only seal the gap between the outer shell and the end surface of the bottom cover, and the sealing effect is general.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealing structure of a watch, which can form two seals between a shell and a bottom cover and improve the sealing performance of the watch.

The utility model also aims to provide the watch.

In order to achieve the first purpose, the utility model adopts the following technical scheme:

the sealing structure of the watch comprises a shell, a bottom cover and a sealing ring;

the shell comprises a lower end face and an inner edge face extending upwards from the inner edge of the lower end face;

the bottom cover comprises an upper end face and an outer edge face extending upwards from the inner edge of the upper end face, a first fit clearance is formed between the upper end face and the lower end face, a second fit clearance is formed between the outer edge face and the inner edge face, and the bottom cover and the shell are fastened together through a plurality of screws;

the sealing ring comprises an annular shape and a second sealing lip piece, wherein the annular shape comprises a horizontal first sealing lip piece and a second sealing lip piece which extends upwards from the inner edge of the first sealing lip piece; the one end that first seal lip piece was kept away from to the second seal lip piece is provided with the protruding muscle of second, and the thickness of the protruding muscle of second is greater than the thickness of second seal lip piece and by the centre gripping between inner fringe face and outer fringe face.

The inner edge face is provided with a first step face, the outer edge face is provided with a second step face, the second convex rib abuts against the first step face and the second step face, one end, close to the first sealing lip, of the second sealing lip is provided with a boss protruding out of the lower surface of the first sealing lip, and the boss abuts against the upper end face.

The upper end face is provided with a groove, the boss is embedded in the groove, and the boss abuts against the bottom face of the groove.

The included angle between the first sealing lip and the second sealing lip is larger than 90 degrees.

The lower end surface is provided with a bulge which protrudes downwards and is arranged outside the first convex rib.

In order to achieve the second purpose, the utility model adopts the following technical scheme:

the watch comprises the sealing structure of the watch.

The outside cover of shell is equipped with a retainer plate, and the retainer plate is by the centre gripping between shell and bottom, is provided with the connecting seat that is used for connecting the watchband on the retainer plate.

The utility model has the beneficial effects that:

according to the utility model, the first convex rib and the second convex rib on the sealing ring form two sealing structures at the matched gap between the shell and the bottom cover, so that the sealing performance of the matched position between the shell and the bottom cover is stronger, and the sealing performance of the watch is further improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged view at a in fig. 1.

Detailed Description

The utility model will be further described with reference to the following drawings and detailed description:

as shown in fig. 1 and 2, the watch sealing structure of the present invention includes a case 10, a bottom cover 20, and a sealing ring 40, wherein the case 10 includes a lower end surface 11 and an inner edge surface 12 extending upward from an inner edge of the lower end surface 11, the bottom cover 20 is assembled with the case 10 from the bottom of the case 10 and includes an upper end surface 21 and an outer edge surface 22 extending upward from an inner edge of the upper end surface 21, a horizontal first fitting gap a is formed between the upper end surface 21 and the lower end surface 11, a vertical second fitting gap b is formed between the outer edge surface 22 and the inner edge surface 12, and the bottom cover 20 and the case 10 are fastened together by a plurality of screws 50. The sealing ring 40 is annular and comprises a first sealing lip 41 and a second sealing lip 42, the first sealing lip 41 extends horizontally, the second sealing lip 42 extends upwards from the inner edge of the first sealing lip 41, a first convex rib 43 is arranged at one end, away from the second sealing lip 42, of the first sealing lip 41, the thickness of the first convex rib 43 is larger than that of the first sealing lip 41, and the first convex rib 43 is clamped between the upper end face 21 and the lower end face 11, so that the upper side and the lower side of the first convex rib 43 can be respectively in sealing fit with the lower end face 11 and the upper end face 21, and then a first fit gap a is sealed; the end of the second sealing lip 42 remote from the first sealing lip 41 is provided with a second rib 44, the thickness of the second rib 44 is greater than the thickness of the second sealing lip 42, and the second rib 44 is clamped between the inner edge surface 12 and the outer edge surface 22, and then the second fitting gap b is sealed, and the housing 10 and the bottom cover 20 are clamped to the sealing ring 40 during tightening of the screw 50.

In the structure of the utility model, two sealing structures are formed at the matched clearance between the shell 10 and the bottom cover 20 through the first convex rib 43 and the second convex rib 44 on the sealing ring 40, so that the matching position between the shell 10 and the bottom cover 20 has stronger sealing performance, and the sealing performance of the watch is improved.

In a preferred embodiment, the present invention has a first step surface 13 on the inner edge surface 12, a second step surface 23 on the outer edge surface 22, an outer edge of the second rib 44 abuts against the first step surface 13 and the second step surface 23, a boss 45 protruding from a lower surface of the first sealing lip 41 is disposed at an end of the second sealing lip 42 close to the first sealing lip 41, the boss 45 abuts against the upper end surface 21, when the upper end surface 21 upwardly abuts against the boss 45, the boss 45 drives the second sealing lip 42 to generate an upward displacement, so that the second rib 44 upwardly presses the first step surface 13 and the second step surface 23, and thus, a portion of the second fitting gap b between the first step surface 13 and the second step surface 23 is blocked by the deformed second rib 44, thereby further improving the sealing performance. In addition, be provided with a recess 211 on up end 21, boss 45 inlays in recess 211 to boss 45 supports and pushes against on the bottom surface of recess 211, through setting up recess 211, makes boss 45 place in recess 211, avoids up end 21 excessively to extrude the excessive second seal lip 42 that causes of boss 45 and excessively warp.

In another preferred embodiment, the included angle between the first sealing lip 41 and the second sealing lip 42 is greater than 90 °, so that the outer edge surface 22 can press the second sealing lip 42 outward when the bottom cap 20 moves upward relative to the housing 10, and the outer edge surface 22 and the inner edge surface 12 can sufficiently press the second rib 44.

In addition, a protrusion 111 protruding downward is disposed on the lower end surface 11, the protrusion 111 is located at the outer end of the first fitting gap a and is disposed outside the first rib 43, and the first rib 43 can be attached to the inner side of the protrusion 111 after being deformed by pressure, thereby further improving the sealing performance.

The watch comprises the sealing structure of the watch, and also comprises a fixing ring 30, wherein the fixing ring 30 is sleeved on the periphery of the shell 10 and clamped between the shell 10 and the bottom cover 20, the fixing ring 30 is provided with a connecting seat 31, and a watch band of the watch is connected to the connecting seat 31.

While the utility model has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the utility model is not to be limited to the disclosed embodiment. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The sealing structure of the watch is characterized by comprising a shell, a bottom cover and a sealing ring;

2. A sealing structure of a wristwatch as claimed in claim 1, wherein the inner edge surface is provided with a first step surface, the outer edge surface is provided with a second step surface, the second rib abuts against the first step surface and the second step surface, and an end of the second seal lip adjacent to the first seal lip is provided with a projection projecting from a lower surface of the first seal lip, the projection abutting against the upper end surface.

3. A sealing structure of a wristwatch of claim 2, wherein a recess is provided on the upper end surface, the boss is fitted in the recess, and the boss abuts against a bottom surface of the recess.

4. A seal structure for a wristwatch of claim 1, wherein an angle between the first seal lip and the second seal lip is greater than 90 °.

5. A seal structure of a wristwatch as claimed in claim 1, wherein the lower end surface is provided with a projection projecting downward and disposed outside the first rib.

6. Watch, characterized in that it comprises a sealing structure of the watch according to any one of claims 1 to 5.

7. A wristwatch according to claim 6, wherein the outer case is provided with a fixing ring on the outside thereof, the fixing ring being held between the outer case and the bottom cover, the fixing ring being provided with a coupling holder for coupling the band.