CN116507070A - waterproof ring - Google Patents

Abstract

A waterproof ring, comprising: the annular body extends along an annular path. The annular body comprises a lower groove and an upper groove. The lower groove and the lower groove are annular extending along the annular body, and the volume of the lower groove is larger than that of the upper groove.

Description

waterproof ring

technical field

The invention relates to a waterproof ring, especially a waterproof ring with an annular groove.

Background technique

In order to provide the waterproof function of the electronic product, when the electronic product is assembled, a waterproof ring is provided at the joint between the upper case and the lower case. Most of the waterproof rings are annular structures, and are made of elastic materials such as rubber or silica gel. When the upper case and the lower case are sealed, the upper case and the lower case press the waterproof ring, so that the waterproof ring fills the gap between the upper case and the lower case, thereby achieving the waterproof function.

However, the cross-sections of known waterproof rings are mostly solid circles or hollow circles. Generally speaking, the waterproof effect of the hollow circle is better than that of the solid circle, but the cost of the hollow circle is higher than that of the solid circle.

Contents of the invention

In view of this, the present invention provides a waterproof ring with a solid structure, and can provide good waterproof performance.

An embodiment of the invention discloses a waterproof ring, which includes an annular body extending along an annular path. The annular body includes a lower groove and an upper groove. The lower groove and the lower groove are annular extending along the annular body, and the volume of the lower groove is larger than that of the upper groove.

According to an embodiment of the present invention, a horizontal plane passes through the center of the annular body, and the lower groove and the upper groove are respectively located on two sides of the horizontal plane.

According to an embodiment of the present invention, the curvature of the bottom of the lower groove is greater than the curvature of the bottom of the upper groove.

According to an embodiment of the present invention, the annular body includes two lower protrusions and two upper protrusions, wherein the lower groove is located between the lower protrusions, and the upper groove is located between the upper protrusions between.

According to an embodiment of the present invention, the distance between the lower top ends of the lower protrusions is greater than the distance between the upper top ends of the upper protrusions.

According to an embodiment of the present invention, the lower protrusion has a lower outer side wall, the upper protrusion has an upper outer side wall connected to the lower outer side wall, a horizontal plane passes through the center of the annular body, and passes through the The junction of the lower outer wall and the upper outer wall. A distance between centers of the lower outer sidewalls is greater than a distance between centers of the upper outer sidewalls.

According to an embodiment of the present invention, when the waterproof ring is placed in the accommodating groove of the lower casing, the lower outer side wall is attached to the side wall of the accommodating groove, and the upper outer side wall is opposite to the The accommodating groove is inclined, and the lower groove and the lower shell form a lower cavity.

According to an embodiment of the present invention, when the waterproof ring is placed in the accommodating groove of the lower casing, and a fastening part of an upper casing contacts the upper protrusion, the upper top end of the upper protrusion contacts The fastener, and the upper groove and the fastener form an upper cavity.

According to an embodiment of the present invention, a vertical plane passes through the center of a section of the annular body, and the vertical plane passes through the lower groove and the upper groove.

According to an embodiment of the present invention, the cross section of the annular body is mirror-symmetric about the vertical plane.

Description of drawings

FIG. 1 is a perspective view of a waterproof ring according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of a waterproof ring according to an embodiment of the present invention.

FIG. 3 is a schematic diagram of an intermediate stage in the process of installing the waterproof ring on the casing according to an embodiment of the present invention.

FIG. 4 is a schematic diagram of a waterproof ring installed in a casing according to an embodiment of the present invention.

Description of main component symbols

ring body 1

central part 10

lower ledge 20

lower top 21

lower lateral wall 22

Upper protrusion 30

on top 31

upper outer wall 32

Lower groove 40

upper groove 50

Waterproof ring A1

Housing B1

Lower case B10

Storage tank B11

Upper case B20

Fasteners B21

Center C1, C2, C3

Horizontal plane H1

Vertical plane P1

Lower cavity S1

Upper cavity S2

The following specific embodiments will further illustrate the present invention in conjunction with the above-mentioned drawings.

Detailed ways

In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the present invention provides many applicable creative concepts, which can be implemented in various specific forms. The specific embodiments discussed herein are merely specific ways to make and use the invention, and do not limit the scope of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

Furthermore, repeated reference numerals or designations may be used in different embodiments. These repetitions are only for the purpose of simply and clearly describing the present invention, and do not represent any relationship between the different embodiments and/or structures discussed. It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be an intervening element at the same time. When an element is referred to as being "disposed on" another element, it can be directly disposed on the other element or intervening elements may also be present.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of the invention. The terms used herein in the description of the present invention are for the purpose of describing specific embodiments only, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

FIG. 1 is a perspective view of a waterproof ring A1 according to an embodiment of the present invention. FIG. 2 is a cross-sectional view of a waterproof ring A1 according to an embodiment of the present invention. FIG. 3 is a schematic diagram of an intermediate stage of installing the waterproof ring A1 on the housing B1 according to an embodiment of the present invention. FIG. 4 is a schematic diagram of the waterproof ring A1 installed in the housing B1 according to an embodiment of the present invention. The waterproof ring A1 is used to be disposed in the casing B1 of the electronic device to provide waterproof protection for the electronic device. The waterproof ring A1 of the present invention has a solid structure, and has a lower manufacturing cost than the tubular waterproof ring in the prior art.

The waterproof ring A1 includes an annular body 1 . The annular body 1 can be made of elastic materials such as rubber or plastic. The annular body 1 in FIG. 1 extends along an annular path. The circular path may lie on the horizontal plane H1 in FIG. 2 . In other words, the circular path may extend along a horizontal plane H1. However, in another embodiment, part of one or more segments of the circular path may extend away from the horizontal plane H1. The shape of the circular path can be circular, polygonal, elliptical, or irregular, but not limited thereto. In this embodiment, the circular path is irregular.

FIG. 2 shows a section of the annular body 1 . The section runs perpendicular to the circular path. The annular path passes through the center C1 of the annular body 1 . In addition, the horizontal plane H1 and the vertical plane P1 pass through the center C1 of the aforementioned section of the annular body 1 and intersect at the center C1 of the annular body 1 . The vertical plane P1 is perpendicular to the horizontal plane H1. In particular, in this embodiment. The horizontal plane H1 and the vertical plane P1 are virtual surfaces rather than physical surfaces on the annular body 1 .

The annular body 1 includes a central portion 10 , two lower protrusions 20 , and two upper protrusions 30 . The center C1 of the annular body 1 is located at the central portion 10 . The central portion 10 extends along a circular path. The central portion 10 is connected to the two lower protrusions 20 and the two upper protrusions 30 , and is located between the two lower protrusions 20 and the two upper protrusions 30 . Each lower protrusion 20 is connected to an upper protrusion 30 . The lower protruding portion 20 and the upper protruding portion 30 are located on two sides of the horizontal plane H1 respectively, and the horizontal plane H1 is used as an interface. The distance between the lower tops 21 of the two lower protrusions 20 is greater than the distance between the upper tops 31 of the two upper protrusions 30 . Each lower protrusion 20 has a lower outer side wall 22, and each upper protrusion 30 has an upper outer side wall 32 connected to the lower outer side wall 22, the horizontal plane H1 passes through the center C1 of the annular body 1, and passes through the lower outer side wall 22 and the upper side wall 32. The junction of the outer wall 32 . The distance between the centers C2 of the two lower outer walls 22 is greater than the distance between the centers C3 of the two upper outer walls 32 .

In this embodiment, a lower groove 40 is formed between the two lower protrusions 20 and the central portion 10 , and an upper groove 50 is formed between the two upper protrusions 30 and the central portion 10 . In other words, the lower groove 40 is located between the two lower protrusions 20 , and the upper groove 50 is located between the two upper protrusions 30 . The central portion 10 , the lower protruding portion 20 , the upper protruding portion 30 , the lower groove 40 and the upper groove 50 are ring-shaped extending along the annular body 1 .

In this embodiment, the lower groove 40 and the upper groove 50 are respectively located on two sides of the horizontal plane H1. The volume of the lower groove 40 is greater than that of the upper groove 50 . The curvature of the bottom of the lower groove 40 is greater than the curvature of the bottom of the upper groove 50 . The vertical plane P1 passes through the center C1 of the section of the annular body 1 , and the vertical plane P1 passes through the lower groove 40 , the central portion 10 , and the upper groove 50 . The section of the annular body 1 is mirror-symmetrical to the vertical plane P1. In other words, the two lower protrusions 20 are mirror-symmetric about the axis of the vertical plane P1, the upper protrusion 30 is mirror-symmetric about the axis of the vertical plane P1, and the lower groove 40 is mirror-symmetric about the axis of the vertical plane P1. In addition, the upper groove 50 is mirror-symmetric with the vertical plane P1 as the axis.

As shown in FIG. 3 , the housing B1 of the electronic device has a lower housing B10 and an upper housing B20 . The lower case B10 has a receiving slot B11, and the upper case B20 has a buckle B21. When assembling the electronic device, the fastening part B21 of the upper case B20 is inserted into the accommodating groove B11 of the lower case B10 to combine the upper case B20 with the lower case B10. The size and shape of the fastening member B21 and the receiving groove B11 shown in FIG. 3 and FIG. 4 are only examples, and can be designed according to actual needs.

When assembling the casing B1, the waterproof ring A1 can be placed in the receiving groove B11 of the lower casing B10 first. At this time, the lower outer wall 22 of the lower protrusion 20 is attached to the side wall of the receiving groove B11 , and the lower groove 40 of the lower protrusion 20 forms a lower cavity S1 with the lower housing B10 . The upper outer wall 32 of the upper protrusion 30 is inclined relative to the receiving groove B11. Afterwards, the fastening part B21 of the upper shell B20 is moved toward the accommodating groove B11 , and as shown in FIG. 3 , contacts the upper protruding portion 30 . The upper top end 31 of the upper protrusion 30 contacts the buckle B21 , and the upper groove 50 of the upper protrusion 30 and the buckle B21 form an upper cavity S2 .

Finally, as shown in FIG. 4 , the upper shell B20 is tightly fitted to the lower shell B10 so that the buckle B21 presses the annular body 1 to cause deformation of the annular body 1 . At this time, in the standard state, the upper outer side wall 32 of the upper protrusion 30 and the lower outer side wall 22 of the lower protrusion 20 are both attached to the side wall of the accommodating groove B11, so the waterproof ring A1 and the lower housing B10 are provided. Good waterproof effect between them, and can provide the deformation space of the waterproof ring A1, and can avoid the excessive extrusion of the waterproof ring A1. In addition, the upper cavity S2 between the upper shell B20 and the annular body 1 still exists, and liquids such as water outside the shell B1 are stopped by the upper protrusion 30 of the first outer layer. If the liquid penetrates into the upper cavity S2 through the upper protrusions 30 of the first outer layer, and is stopped by the upper protrusions 30 of the second inner layer, the two upper protrusions 30 can provide two layers of waterproof protection.

If there is a large tolerance between the upper case B20 and the lower case B10, for example, when the length of the fastening part B21 is longer than the standard length of the fastening part B21 in Figures 3 and 4, the lower case The lower cavity S1 between the body B10 and the annular body 1 and the upper cavity S2 between the upper shell B20 and the annular body 1 can provide additional deformation space for the waterproof ring A1, so the waterproof ring A1 of the present invention can be applied to A good waterproof function can be provided under a large tolerance range.

To sum up, the two-layer protrusions of the waterproof ring of the present invention can provide good waterproof function and allow a larger tolerance range. In addition, the waterproof ring of the present invention has a solid structure, which has a lower manufacturing cost than the tubular waterproof ring in the prior art.

Those of ordinary skill in the art can make other corresponding changes or adjustments according to the actual needs generated by the combination of the creative scheme and the creative concept of the present invention, and these changes and adjustments should all belong to the protection scope of the claims of the present invention.

Claims (10)

1. A waterproof ring, comprising:

the annular body extends along an annular path and comprises a lower groove and an upper groove;

the lower groove and the upper groove are annular extending along the annular body, and the volume of the lower groove is larger than that of the upper groove.

2. The waterproof ring of claim 1, wherein a horizontal plane passes through the center of the annular body, and the lower groove and the upper groove are located on both sides of the horizontal plane, respectively.

3. The waterproofing membrane of claim 1 wherein the curvature of the bottom of the lower recess is greater than the curvature of the bottom of the upper recess.

4. The waterproofing membrane of claim 1 wherein the annular body comprises two lower projections and two upper projections, wherein the lower groove is located between the lower projections and the upper groove is located between the upper projections.

5. The waterproofing membrane of claim 4 wherein the distance between the lower peaks of the lower projections is greater than the distance between the upper peaks of the upper projections.

6. The waterproof ring of claim 4, wherein the lower protrusion has a lower outer sidewall, the upper protrusion has an upper outer sidewall connected to the lower outer sidewall, a horizontal plane passes through the center of the annular body and passes through the junction of the lower outer sidewall and the upper outer sidewall,

wherein the distance between the centers of the lower outer side walls is greater than the distance between the centers of the upper outer side walls.

7. The waterproof ring of claim 6, wherein when the waterproof ring is placed in the accommodating groove of the lower housing, the lower outer side wall is attached to the side wall of the accommodating groove, the upper outer side wall is inclined relative to the accommodating groove, and the lower groove and the lower housing form a lower cavity.

8. The waterproof ring of claim 6, wherein when the waterproof ring is placed in the accommodating groove of the lower shell and the fastener of the upper shell contacts the upper protruding portion, the upper top end of the upper protruding portion contacts the fastener, and the upper groove and the fastener form an upper cavity.

9. The waterproofing ring of claim 1 wherein a vertical plane passes through the center of a cross section of the annular body and the vertical plane passes through the lower groove and the upper groove.

10. The waterproofing ring of claim 9 wherein the cross section of the annular body is mirror symmetric about the vertical plane.