Waterproof structure with combination of flexible glue and hard glue and electronic product thereof

Abstract

The utility model discloses a soft rubber and hard rubber combined waterproof structure and an electronic product thereof, the soft rubber and hard rubber combined waterproof structure comprises a first hard rubber piece, a first soft rubber piece and a second soft rubber piece, the first soft rubber piece is provided with a first groove, the first hard rubber piece is provided with a first bulge, the first bulge is arranged in the first groove, and the second soft rubber piece is provided with a second bulge. The abutting surface of the second soft rubber part and the third groove is coated with glue, the problems of poor air tightness and low waterproof performance are effectively solved by adopting the mode that the first soft rubber part is firstly combined with the second soft rubber part and then combined with the first hard rubber part, the third groove is formed in the groove bottom of the first groove, the second soft rubber part is placed in the third groove, and therefore the waterproof performance is improved. The second soft rubber piece and the third groove form a gap where the second soft rubber piece is extruded and deformed, the second soft rubber piece is extruded by the inserting part to be deformed to fill the gap, and then the abutting joint position of the second soft rubber piece and the third groove is coated with glue, so that the air tightness and the waterproof performance of the structure are improved again.

Description

Technical Field

[0001] The utility model belongs to the field of processing electronic products, in particular to a waterproof structure combining soft glue and hard glue and an electronic product thereof. Background Art

[0002] With the continuous development of social science and technology, people are increasingly inseparable from the use of electronic products. When people use electronic products, they usually pay attention to the waterproofness of electronic products. The waterproofness of electronic products is an important standard for measuring the safety performance of electronic products. The currently released IPX is an internationally used waterproof level certification system. It is used to mark the waterproof level of the product on many instruments and equipment such as outdoor and diving. It is the most common technical indicator, and the combination of soft glue and hard glue is usually used between different parts of electronic products to make them meet the IPX5 standard.

[0003] The reinforcement structure formed by combining soft glue and hard glue in the prior art includes a gasket, which is arranged between the hard glue part and the soft glue part, resulting in a gap between the hard glue part and the air cushion, making the structure poor in air tightness and waterproof performance. Utility Model Content

[0004] The purpose of the utility model is to provide a waterproof structure combining soft glue and hard glue and an electronic product thereof, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A waterproof structure combining soft rubber and hard rubber, comprising a first hard rubber part, a first soft rubber part and a second soft rubber part, wherein the first soft rubber part has a first groove, the first hard rubber part has a first protrusion, and the first protrusion is placed in the first groove;

[0007] A third groove is formed at the bottom of the first groove, the second soft rubber piece is embedded in the third groove, there are gaps between the second soft rubber piece and both sides of the third groove, the first protrusion is provided with an insertion part, the insertion part is inserted into the third groove and contacts the second soft rubber piece, and the second soft rubber piece is deformed to fill the gap;

[0008] The contact surface between the second soft rubber part and the third groove is coated with glue.

[0009] According to a further technical solution, when the first protrusion is placed in the first groove, the groove wall of the first groove located outside the hard plastic component is the first groove wall, and the first groove wall abuts against the outer side surface of the first hard plastic component.

[0010] Further technical solution: The other groove wall of the first groove is the second groove wall. The first hard rubber part is provided with a second groove. When the first protrusion is placed in the first groove, the second groove is clamped with the second groove wall.

[0011] Further technical solution: The bottom surface of the second groove wall is set as the first surface, the first hard rubber part is provided with a second surface, and the first surface is attached to the second surface.

[0012] Further technical solution: It further includes a second hard rubber part. The second hard rubber part is detachably connected to the first hard rubber part. The second hard rubber part and the first soft rubber part are connected through the second soft rubber part.

[0013] Further technical solution: The second hard rubber part is provided with a fourth long groove. The first soft rubber part is provided with a second protrusion. The second soft rubber part is embedded in the fourth long groove, and the second protrusion is clamped with the fourth long groove.

[0014] An electronic product includes a waterproof structure combining soft rubber and hard rubber.

[0015] Advantages of the present utility model:

[0016] By first combining the first soft rubber part with the second soft rubber part and then with the first hard rubber part, the problems of poor airtightness and low waterproof performance are effectively solved. By opening a third groove at the bottom of the first groove, placing the second soft rubber part in the third groove, and forming a gap for the second soft rubber part to be extruded and deformed between the second soft rubber part and the third groove, the second soft rubber part is extruded and deformed by the insertion part to fill the gap, and then glue is applied at the contact position between the second soft rubber part and the third groove to further improve the airtightness and waterproof performance of this structure.

[0017] Other features and advantages of the present utility model will be described in detail in the subsequent specific implementation part. Brief Description of the Drawings

[0018] Figure 1 : Assembly schematic diagram of the first hard rubber part and the first soft rubber part of the present utility model.

[0019] Figure 2 : Three-dimensional view of the first soft rubber part of the present utility model.

[0020] Figure 3 : Cross-sectional view of the embodiment of the present utility model.

[0021] Figure 4 : The present utility model Figure 3 Enlarged view of part A.

[0022] Figure 5 : Structural schematic diagram of the first hard rubber part and the first soft rubber part of the present utility model.

[0023] Figure 6 : The present utility model Figure 5 Enlarged view of B.

[0024] Figure 7 : The present utility model Figure 3 Enlarged view of C.

[0025] Figure 8 : Assembly schematic diagram of the second hard rubber part and the first soft rubber part of the present utility model.

[0026] Figure 9 : The present utility model Figure 8 Enlarged view of D.

[0027] Reference numerals: 1, the first hard rubber part; 2, the first soft rubber part; 3, the second soft rubber part; 4, glue; 5, the first groove; 6, the first protrusion; 7, the first groove wall; 8, the second groove wall; 9, the second groove; 10, the first surface; 11, the second surface; 12, the third groove; 13, the insertion part; 14, the second hard rubber part; 15, the fourth long channel groove; 16, the second protrusion Detailed implementation manners

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model.

[0029] Please refer to Figures 1-9 ;

[0030] A waterproof structure combining soft rubber and hard rubber includes a first hard rubber part 1, a first soft rubber part 2, a second soft rubber part 3 and glue 4. The second soft rubber part 3 is located between the first soft rubber part 2 and the first hard rubber part 1. The first soft rubber part 2 is provided with a first groove 5, and the first hard rubber part 1 is provided with a first protrusion 6. The first groove 5 is adapted to the first protrusion 6, so that the first protrusion 6 is placed in the first groove 5. In this embodiment, the cooperation relationship between the first protrusion 6 and the first groove 5 is not limited. The first protrusion 6 and the first groove 5 can be in an interference fit relationship, that is, the width of the first protrusion 6 is greater than the groove width of the first groove 5; the width of the first protrusion 6 can also be equal to the groove width of the first groove 5, so that when the first protrusion 6 is placed in the first groove 5, the first protrusion 6 and the groove wall of the first groove 5 form a frictional force to initially fix the first hard rubber part 1 and the first soft rubber part 2; in the prior art, usually a gasket is placed in the first groove 5, so that the gasket is clamped between the first hard rubber part 1 and the first soft rubber part 2, which enhances the stability of the structure to a certain extent, but the airtightness and waterproof performance need to be improved.

[0031] In this embodiment, a third groove 12 is formed at the bottom of the first groove 5. The opening direction of the third groove 12 is not limited. In this embodiment, the opening direction of the third groove 12 is vertically upward. The second soft rubber part 3 is fitted in the third groove 12. It should be noted that there is a certain gap between the second soft rubber part 2 and the third groove 12. Preferably, there are gaps between the second soft rubber part 2 and the side walls of the third groove 12. The width of the second soft rubber part 2 is smaller than the groove width of the third groove 12, and the bottom area of the second soft rubber part 3 is smaller than the bottom area of the third groove 12. The first protrusion 6 includes an insertion part 13 arranged in the direction towards the third groove 12. The insertion part 13 can be inserted into the second soft rubber part 3. The area of the insertion part 13 on the side facing the second soft rubber part 3 is smaller than the area of the insertion part 13 on the side away from the second soft rubber part 3. In other embodiments, the insertion part 13 can be designed as an inverted cone. In this embodiment, the insertion part 13 is designed as an inverted trapezoid. Compared with the cone design, the trapezoid design in this embodiment can improve the sealing performance of the waterproof structure combining the soft rubber and the hard rubber. When the first protrusion 6 is placed in the first groove 5, the insertion part 13 is dragged and inserted into the third groove 12 to abut against the second soft rubber part 3, so that the second soft rubber part 3 deforms to fill the gap. Glue 4 is also coated at the abutting part between the second soft rubber part 3 and the third groove 12.

[0032] It should be noted that the first hard rubber part 1 and the first soft rubber part 2 in this embodiment can be understood as components made of two plastic materials with different hardnesses. Hard and soft are used to distinguish the hardness of the two. Among them, the hardness of the first hard rubber part 1 is higher than that of the first soft rubber part 2 and the second soft rubber part 3.

[0033] Specifically, when the operator bonds the first hard rubber part 1 and the first soft rubber part 2 to improve the waterproof performance of the product, in this embodiment, the second soft rubber part 3 needs to be placed in the third groove 12 first. In this embodiment, the bonding method of placing the second soft rubber part 3 in the third groove 12 is not limited. In this embodiment, taking the glue 4 as an example, the surface of the second soft rubber part 3 and the third groove 12 is bonded to achieve preliminary fixation. It should be noted that the operator first needs to thoroughly clean the surfaces of the second soft rubber part 3 and the third groove 12 to remove oil stains, dust and other pollutants to ensure effective bonding of the surfaces of the second soft rubber part 3 and the third groove 12. Select a suitable glue 4 according to the material characteristics of the surfaces of the second soft rubber part 3 and the third groove 12. The operator can use tools such as a brush, a roller or a spray gun to evenly apply the glue 4 on the surfaces of the second soft rubber part 3 and the third groove 12.

[0034] After the second soft rubber part 3 and the third groove 12 are in contact, the operator needs to bond the first hard rubber part 1 and the first soft rubber part 2. At this time, the operator uses an air-curable glue 4 to bond the first soft rubber part 2 and the first hard rubber part 1. It should be noted that before bonding the first soft rubber part 2 and the first hard rubber part 1, the surface of the first soft rubber part 2 can be gently polished with fine sandpaper to increase the surface roughness of the first soft rubber part 2, thereby improving the adhesion effect of the glue 4. Place the first protrusion 6 of the first hard rubber part 1 into the first groove 5 of the first soft rubber part 2. At the same time, the insertion part 13 of the first hard rubber part 1 is inserted into the second soft rubber part 3. The second soft rubber part 3 will deform under pressure and then fill the gap. Finally, the operator can apply the glue 4 at the surface where the second soft rubber part 3 contacts the third groove 13, from the gap between the second soft rubber part 3 and the third groove 13. In this embodiment, the air-curable glue 4 used includes silicone glue 4 and polyurethane glue 4, etc. According to the different air-curable glue 4 selected, the operator needs to cure the bonding part at room temperature or under the recommended environmental conditions. After curing, check the firmness of the bonding part to ensure that there are no bubbles, defects or incomplete bonding; assuming that the second soft rubber part 3 and the third groove 12 are tightly fitted, when the insertion part 13 of the first hard rubber part 1 is inserted into the second soft rubber part 3, since the insertion part 13 of the first hard rubber part 1 squeezes the second soft rubber part 3, and the second soft rubber part 3 is installed in the third groove 12 of the first soft rubber part 2, and there is no gap between the second soft rubber part 3 and the third groove 12, the groove wall of the third groove 12 will be squeezed and deformed, and the airtightness cannot be further improved by the glue, resulting in low airtightness of the structure and failure of the waterproof ability.

[0035] In order to increase the contact area between the first soft rubber part 2 and the first hard rubber part 1, improve the structural stability of the bonding part between the first soft rubber part 2 and the first hard rubber part 1, and at the same time improve the waterproof performance of the bonding part between the first soft rubber part 2 and the first hard rubber part 1, in this embodiment, when the first protrusion 6 is placed in the first groove 5, the groove wall of the first groove 5 located outside the first hard rubber part 1 is set as the first groove wall 7, and the other groove wall of the first groove 5 is set as the second groove wall 8. The outer side surface of the first groove wall 7 is an arc surface, the inner side surface area of the first groove wall 7 is larger than the corresponding side surface area of the first hard rubber part 1, and the inner side surface of the first groove wall 7 abuts against one side surface of the second soft rubber part 3; the first hard rubber part 1 is provided with a second groove 9. When the first protrusion 6 is placed in the first groove 5, the second groove 9 is clamped with the second groove wall 8. The bottom surface of the second groove wall 8 is set as the first surface 10, and the first hard rubber part 1 is provided with a second surface 11. The first surface 10 and the second surface 11 are attached. In other embodiments, the first surface 10 and the second surface 11 may not be in an abutting relationship. In this embodiment, the first surface 10 and the second surface 11 are directly attached.

[0036] In this embodiment, the waterproof structure in which the soft rubber is combined with the hard rubber further includes a second hard rubber member 14. The second hard rubber member 14 is detachably connected to the first hard rubber member 1 by bolts. The second hard rubber body is connected to the first soft rubber member 2 through a second soft rubber member 3. The second hard rubber body is provided with a fourth long groove 15. The first soft rubber member 2 is provided with a second protrusion 16. There is a second soft rubber member 3 in the fourth long groove 15. The second soft rubber member 3 is fitted in the fourth long groove 15. The second protrusion 16 is snap-fitted with the fourth long groove 15.

[0037] This embodiment also provides an electronic product, including the waterproof structure in which the soft rubber is combined with the hard rubber in the above solution. Among them, the electronic product can be a watch, a tablet computer, etc.

[0038] For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and without departing from the spirit or basic characteristics of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced by the present invention. Any reference signs in the claims should not be regarded as limiting the claimed claims.

[0039] In addition, it should be understood that although this specification is described according to the embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A waterproof structure combining soft rubber and hard rubber, comprising a first hard rubber part (1), a first soft rubber part (2) and a second soft rubber part (3). The first soft rubber part (2) is provided with a first groove (5), and the first hard rubber part (1) is provided with a first protrusion (6). The first groove (5) is engaged with the first protrusion (6), and the first protrusion (6) is placed inside the first groove (5). It is characterized in that: A third groove (12) is formed at the bottom of the first groove (5), and the second soft rubber part (3) is embedded in the third groove (12). There are gaps between the second soft rubber part (3) and both sides of the third groove (12). The first protrusion (6) is provided with an insertion part (13), and the insertion part (13) is inserted into the third groove (12) and abuts against the second soft rubber part (3), and the second soft rubber part (3) deforms to fill the gaps. Glue (4) is coated at the abutting position between the second soft rubber part (3) and the third groove (12).

2. The waterproof structure combining soft rubber and hard rubber according to claim 1, wherein When the first protrusion (6) is placed inside the first groove (5), the groove wall of the first groove (5) outside the hard rubber part is the first groove wall (7), and the first groove wall (7) abuts against the outer side surface of the first hard rubber part (1).

3. The waterproof structure combining soft glue and hard glue according to claim 2, characterized in that, The other groove wall of the first groove (5) is the second groove wall (8). The first hard rubber part (1) is provided with a second groove (9). When the first protrusion (6) is placed inside the first groove (5), the second groove (9) is engaged with the second groove wall (8).

4. A waterproof structure combining soft glue and hard glue according to claim 3, characterized in that, The bottom surface of the second groove wall (8) is set as the first surface (10), and the first hard rubber part (1) is provided with a second surface (11), and the first surface (10) is attached to the second surface (11).

5. The waterproof structure combining soft glue and hard glue according to claim 1, characterized in that, It further includes a second hard rubber part (14). The second hard rubber part (14) is detachably connected to the first hard rubber part (1), and the second hard rubber part (14) and the first soft rubber part (2) are connected through the second soft rubber part (3).

6. A waterproof structure combining soft rubber and hard rubber according to claim 5, characterized in that, The second hard rubber part (14) is provided with a fourth long groove (15), the first soft rubber part (2) is provided with a second protrusion (16), the second soft rubber part (3) is fitted in the fourth long groove (15), and the second protrusion (16) is engaged with the fourth long groove (15).

7. An electronic product, characterized in that, It includes the waterproof structure combining soft rubber and hard rubber according to any one of claims 1-6.

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