Sealing connection structure based on metal and plastic

Abstract

The utility model discloses a sealing connection structure based on metal and plastic, and relates to the technical field of sealing packaging, the key points of the technical scheme are that the sealing connection structure comprises a metal piece and a plastic sealing piece, the plastic sealing piece is inserted with the metal piece along the thickness direction of the metal piece, one side of the metal piece is provided with a plurality of sealing grooves which are annularly arranged, and the sealing grooves are communicated with the metal piece. And a clamping part matched with the inner wall of the sealing groove is arranged on one side of the sealing piece. The sealing connection structure can be used for forming sealing between metal and plastic, the sealing mode is several times larger than that of a traditional sealing ring, the sealing performance is excellent, and the anti-aging capacity is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to sealing packaging technical field, more specifically, it relates to a sealing connection structure based on metal and plastic. BACKGROUND

[0002] Good airtightness is a performance that electronic products must have, so during the production process, the combination of different materials needs to be tested for airtightness.

[0003] In the prior art, the current product shell sealing structure mostly adopts the way of pressing sealing ring, the structure is complex and clumsy, the sealing effect is poor, and in the scene such as new energy battery packaging, chip packaging and smart watch packaging which has high requirements for airtightness, the current sealing connection structure cannot meet the requirements of airtightness, which may affect the use of products.

[0004] Therefore, it is necessary to provide a sealing connection structure based on metal and plastic to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a sealing connection structure based on metal and plastic to solve the problems in the background art.

[0006] The above technical purpose of the utility model is realized by the following technical scheme:

[0007] A sealing connection structure based on metal and plastic, comprising a metal piece and a plastic sealing piece, the plastic sealing piece is inserted along the thickness direction of the metal piece, a plurality of sealing grooves in the shape of a ring are arranged on one side of the metal piece, and a clamping part matched with the inner wall of the sealing groove is arranged on one side of the sealing piece.

[0008] The technical scheme of the utility model is further provided as follows: the inner bottom width of the sealing groove is greater than the opening width thereof, and the top width of the clamping part is greater than the bottom width thereof.

[0009] The technical scheme of the utility model is further provided as follows: a plurality of the sealing grooves are coaxially arranged, and a plurality of the clamping parts are coaxially arranged.

[0010] The technical scheme of the utility model is further provided as follows: the spacing between adjacent sealing grooves is the same, and the spacing between adjacent clamping parts is the same.

[0011] The technical scheme of the utility model is further provided as follows: the width of the sealing groove is less than the spacing between adjacent sealing grooves, and the width of the clamping part is less than the spacing between adjacent clamping parts.

[0012] The utility model discloses a technical scheme further provides: the width of sealing groove is less than 0.1mm, the interval of adjacent sealing groove is greater than 0.1mm, the width of the clamping portion is less than 0.1mm, the interval of adjacent clamping portion is greater than 0.1mm.

[0013] The utility model discloses a technical scheme further provides: the number of clamping portion is 5-15 and constitutes sealing band, and the width of sealing band is 1-4mm.

[0014] Due to the adoption of the above technical scheme, the utility model compared with prior art, the technical progress obtained is:

[0015] By setting sealing groove on the surface of metal piece and forming sealing piece with clamping portion by injection molding, the connection between the two is tight, the air tightness is good, and the sealing mode is several times larger than the traditional sealing ring, can satisfy the He gas leakage rate less than 1*10^-9Pa*m^3 / s, is superior to the traditional sealing ring structure, can be applicable to new energy battery packaging, chip packaging and smart watch packaging and the sealing scene of higher air tightness requirement. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 For the structure of the utility model Figure One ;

[0017] Figure 2 For the structure of the utility model Figure Two ;

[0018] Figure 3 For the utility model's section Figure One ;

[0019] Figure 4 For the utility model's section Figure Two .

[0020] In the drawing: 1, metal piece, 2, plastic sealing piece, 3, sealing groove, 4, clamping portion. DETAILED DESCRIPTION

[0021] In order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the specific embodiment of the utility model is further described in detail below, the following examples are used to illustrate the utility model, but not to limit the scope of the utility model. EMBODIMENT

[0022] REFERENCE Figures 1 to 4The utility model provides a kind of sealing connection structure based on metal and plastic, including metal piece 1 and plastic sealing piece 2, plastic sealing piece 2 is inserted along the thickness direction of metal piece 1 with it, metal piece 1 side is equipped with the annularly arranged several sealing grooves 3, several sealing grooves 3 are coaxially arranged, and the interval of adjacent sealing groove 3 is same, the one side of sealing piece is equipped with the clamping portion 4 that cooperates with sealing groove 3 inner wall, several clamping portions 4 are coaxially arranged, and the interval of adjacent clamping portion 4 is same, the number of clamping portion 4 is 5-15 and constitutes sealing band, the overall width of sealing band is 1-4mm.

[0023] Reference Figures 1 to 4 As shown, the inner bottom width of sealing groove 3 is greater than its opening width, the width of sealing groove 3 is less than the interval of adjacent sealing groove 3, the width of sealing groove 3 is less than 0.1mm, and the interval of adjacent sealing groove 3 is greater than 0.1mm.

[0024] Reference Figures 1 to 4 As shown, the top end width of clamping portion 4 is greater than its bottom end width, the width of clamping portion 4 is less than the interval between adjacent clamping portions 4, the width of clamping portion 4 is less than 0.1mm, and the interval of adjacent clamping portion 4 is greater than 0.1mm.

[0025] Reference Figures 1 to 4 As shown, the above, the plastic sealing piece 2 is formed by injection molding, so that the plastic sealing piece 2 and metal piece 1 are connected by a dovetail structure, the connection is tight and reliable, and the service life is greater than 12 years after aging resistance test, the annular structure of sealing groove 3 and clamping portion 4 enhances the anti-turbulence ability, and the number of sealing groove 3 and clamping portion 4 is relatively large, which can realize multi-point connection between metal piece 1 and plastic sealing piece 2, to further ensure the tightness of the connection and enhance the airtightness, when the gas or airflow flows from the inside to the outside of the sealing band or from the outside to the inside, it will pass through each sealing groove 3 and clamping portion 4 in turn, and the gas pressure will continuously decay after passing through each set of sealing groove 3 and clamping portion 4, which can meet the He gas leakage rate of less than 1*10^-9Pa*m^3 / s, and can solve the sealing problem of various small size spaces.

[0026] The above is only the preferred embodiment of the utility model, the protection scope of the utility model is not limited to the above-mentioned embodiment, and any technical solution belonging to the utility model idea is within the protection scope of the utility model. It should be noted that for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principle of the utility model can also be considered as the protection scope of the utility model.

Claims

1. A metal and plastic based sealed joint construction comprising a metal part (1) and a plastic sealing part (2), characterized in that: The plastic sealing member (2) is inserted along the thickness direction of the metal member (1), one side of the metal member (1) is provided with a plurality of sealing grooves (3) arranged in a ring shape, and one side of the sealing member is provided with a clamping portion (4) matched with the inner wall of the sealing groove (3).

2. A metal and plastic based sealed connection configuration according to claim 1, wherein: The inner bottom width of the sealing groove (3) is greater than the opening width, and the top width of the clamping portion (4) is greater than the bottom width.

3. A metal and plastic based sealed connection arrangement according to claim 2, wherein: A plurality of sealing grooves (3) are coaxially arranged, and a plurality of clamping portions (4) are coaxially arranged.

4. A metal and plastic based sealed connection arrangement according to claim 3, wherein: The spacing between adjacent sealing grooves (3) is the same, and the spacing between adjacent clamping portions (4) is the same.

5. A metal and plastic based sealed connection arrangement according to claim 4, wherein: The width of the sealing groove (3) is less than the spacing between adjacent sealing grooves (3), and the width of the clamping portion (4) is less than the spacing between adjacent clamping portions (4).

6. A metal and plastic based sealed connection arrangement according to claim 5, wherein: The width of the sealing groove (3) is less than 0.1mm, the spacing between adjacent sealing grooves (3) is greater than 0.1mm, the width of the clamping portion (4) is less than 0.1mm, and the spacing between adjacent clamping portions (4) is greater than 0.1mm.

7. A metal and plastic based sealed connection arrangement according to claim 3, wherein: The number of clamping portions (4) is 5-15 and forms a sealing band, and the width of the sealing band is 1-4mm.

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