CN112952479A

CN112952479A - Airtight coupling assembly

Info

Publication number: CN112952479A
Application number: CN202110211337.7A
Authority: CN
Inventors: 荣光祥
Original assignee: Shanghai Bix Electronic Co ltd
Current assignee: Shanghai Bix Electronic Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-06-11

Abstract

The present application relates to an airtight connection assembly, including an anti-folding buffer sheath, a connector and a cable. The shielding layer with a preset length of the cable is turned over to the outside of the cable to form an outer shielding layer, and the connector is crimped and fixed thereon. The ends are clamped and fixed, and the cables are fixed together. There is a pre-set length of filling part between the rear end of the connector and the anti-folding buffer sheath. The filling part is filled with silicone or resin glue. The part between the connector and the cable except the filling part is Resin glue filling. By turning the shielding layer of the preset length of the cable near the connector to the outside of the cable to form an outer shielding layer, the overall tensile strength can be greatly enhanced. And it is easier for practitioners in the field to install, thereby improving production and processing efficiency. Silica gel is filled in the reserved filling part. The silica gel has elasticity and can cope with the different size of the filling space caused by the different expansion coefficients of the connector and the outer shielding layer.

Description

Airtight coupling assembly

Technical Field

The application relates to the field of electrical component equipment connecting pieces, in particular to an airtight connecting assembly.

Background

With the progress of science and technology and the development of society, new requirements are provided for the performance, the using environment and the scene of the electric connection assembly, but when most manufacturers carry out air tightness tests, the air pressure detection method can be adopted instead of detecting the firmness and the strength of a liquid seal, but the conventional glue filling mode adopted by the existing electric connection assembly cannot meet the standards of a plurality of electric connection assemblies.

Disclosure of Invention

In view of the above, the present application provides an airtight connection assembly, including an anti-folding buffer sheath, a connection member, and a cable; the shielding layer with the preset length of the cable is turned to the outer side of the cable to form an outer shielding layer, and the connecting piece is arranged on the outer side of the cable and is fixedly connected with the outer shielding layer in a laminating mode; the anti-folding buffer sheath is arranged on the outer sides of the cable and the connecting piece, is fixed with the cable, is attached to the rear end of the connecting piece and is clamped and fixed; a filling part with a preset length is reserved between the rear end of the connecting piece and the anti-folding buffer sheath, and the filling part is filled with silica gel or resin gel; and the part between the connecting piece and the cable except the filling part is filled with resin glue.

In one possible embodiment, the rear end of the connecting element is expanded to its circumference with an annular projection.

In a possible implementation manner, an included angle formed between the end surface of the annular protrusion portion and the side wall of the protrusion portion is 90 degrees.

In a possible implementation manner, a limit groove is arranged on the side wall of the connecting piece, and a limit protrusion matched with the limit groove is arranged at a corresponding position of the inner wall of the anti-folding buffer sheath.

In a possible implementation manner, the side wall of the middle part of the connecting piece is expanded to the circumferential direction thereof with an abutting part, and one end of the abutting part abuts against the anti-folding buffer sheath.

In a possible implementation manner, a buffer slot is opened at one end of the abutting part contacting with the electronic device, and the buffer gasket is placed in the buffer slot.

In one possible implementation, the front end face of the connecting piece is provided with an expansion slot therein.

In a possible implementation manner, a clamping groove is formed in the side wall, close to the front end, of the connecting piece, and the clamping groove is fixedly clamped with the electronic equipment.

In one possible implementation, the expansion slot and the inner wall of the connecting piece are in a stepped structure.

In a possible implementation, the axial projection of the top end of the connecting piece is a regular polygon.

The invention has the beneficial effects that: through being close to the shielding layer upset to the cable outside of connecting piece part default length with the cable, constitute outer shielding layer, can strengthen holistic tensile strength by a wide margin, compare the double-deck shielding structure that split type folding set up, the design is more reasonable to it installs to change in the implementation personnel in the field, thereby improves production machining efficiency. Silica gel is filled in the reserved filling part, has elasticity, and can cope with the conditions of different filling space sizes and the like caused by different expansion coefficients of the connecting piece and the outer shielding layer.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

Figure 1 illustrates a cross-sectional view of a hermetic connection assembly of an embodiment of the present application;

fig. 2 illustrates a perspective view of the airtight connection assembly according to the embodiment of the present application;

figure 3 illustrates a front view of a hermetic connection assembly of an embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It will be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing or simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Figure 1 illustrates a cross-sectional view of a hermetic connection assembly of an embodiment of the present application; fig. 2 illustrates a perspective view of the airtight connection assembly according to the embodiment of the present application; figure 3 illustrates a front view of a hermetic connection assembly of an embodiment of the present application.

As shown in fig. 1-3, the airtight connection assembly includes a folding-proof buffer sheath 30, a connector 10 and a cable 40, wherein a shielding layer of a preset length of the cable 40 is turned to the outside of the cable 40 to form an outer shielding layer 41, the connector 10 is fixed to the outer shielding layer 41 in a compression joint manner, the folding-proof buffer sheath 30 is arranged on the outside of the cable 40 and the connector 10, fixed to the cable 40, and attached to and clamped with the rear end of the connector 10, a filling portion 20 of a preset length is left between the rear end of the connector 10 and the folding-proof buffer sheath 30, the filling portion 20 is filled with silica gel or resin glue, and the portion between the connector 10 and the cable 40 except the filling portion 20 is filled with resin glue.

In this embodiment, the airtight connection subassembly of this application is including preventing folding buffer sheath 30, connecting piece 10 and cable 40, and the shielding layer through being close to connecting piece 10 part preset length with cable 40 overturns the cable 40 outside, constitutes outer shielding layer 41, can strengthen holistic tensile strength by a wide margin, compares the double-deck shielding structure that split type folding set up, and the design is more reasonable to change in this field of implementation personnel installation, thereby improve production machining efficiency. Resin glue or silica gel can be filled in the filling part 20 of reservation, and connecting piece 10 is the metalwork, through with outer shielding layer 41 crimping, forms 360 degrees shielding effect, and this airtight connection subassembly has satisfied 360 degrees shielding and airtight requirements, and outer shielding layer 41 also is the metal material. Preferably, silica gel is filled in the filling part 20, the filling part 20 is located between the connecting part 10 and the outer shielding layer 41, although the connecting part 10 and the outer shielding layer 41 are made of metal materials, the expansion coefficients of the two are different, the silica gel can play a role in sealing by filling, and the silica gel has elasticity, so that the conditions of different filling space sizes and the like caused by different expansion coefficients can be met, and a person skilled in the art can specifically select according to specific conditions to enable the silica gel to reach the related air tightness standard required by corresponding manufacturers.

Further, the resin glue filling between the connector 10 and the cable 40 except for the filling portion 20 is a conventional arrangement, and is not described herein.

More specifically, prevent folding the two fixed connection of buffering sheath 30 and connecting piece 10, its fixed mode is not specifically limited, and is preferred, prevent folding buffering sheath 30 and connecting piece 10 joint fixed, and connecting piece 10 is provided with assorted protruding structure and recess with preventing folding buffering sheath 30 position of contacting, makes things convenient for it to accomplish fastening connection smoothly, correctly.

It should be noted that, the specific length of the extended section of the outer shielding layer 41 is not limited, and it is only necessary to ensure that the length of the double-layer shielding structure formed by turning the outer shielding layer outward is reasonable, and the double-layer shielding structure is not exposed outside the whole airtight connection assembly of the present application.

In one embodiment, as shown in fig. 2, the rear end of the connector 10 is expanded circumferentially with an annular projection 11.

In one embodiment, the end face of the annular protrusion 11 forms an angle of 90 degrees with the side wall of the protrusion.

In the two embodiments, the annular protrusion 11 is extended at the rear end of the connecting member 10, the structure of the annular protrusion 11 may be a square ring or a circular ring, and only the anti-folding buffer protective sheath is required to be matched with the anti-folding buffer protective sheath, which is not limited specifically. The partial filling portion 20 also fits against the inner wall of the annular protrusion 11, but due to the expansion problem mentioned above, a slight space should be left between the filling portion 20 and the annular inner wall to ensure sufficient strength and bending resistance of the hermetic connecting assembly of the present application.

In one embodiment, as shown in fig. 2, a limiting groove 12 is provided on the side wall of the connecting member 10, and a limiting protrusion matching with the limiting groove 12 is provided at a corresponding position on the inner wall of the anti-folding buffer sheath 30.

In this embodiment, the specific clamping manner of the connecting piece 10 and the anti-folding buffer sheath 30 is the matched limiting groove 12 and limiting protrusion, and compared with the conventional screw connection manner, the clamping and fixing of the connecting piece 10 and the anti-folding buffer sheath 30 is more convenient, and the connector can be easily detached and installed by the implementers in the field.

As shown in fig. 1, in one embodiment, the middle sidewall of the connecting member 10 is extended with an abutting portion 13 toward the circumference thereof, one end of the abutting portion 13 abuts against the anti-folding buffer sheath 30, and the other end abuts against the electronic device.

As shown in fig. 1, in one embodiment, a buffer slot is formed at one end of the abutting portion 13 contacting with the electronic device, and the buffer washer 14 is placed in the buffer slot.

In this embodiment, the arrangement position of the cushion washer 14 is not specifically limited, and the additional cushion washer 14 not only plays a role in preventing moisture and water and entering the inside of the device from the joint, but also serves as a buffer member to reduce the wear between the connecting assembly and the electronic device, thereby prolonging the service life of the electronic device and the airtight connecting assembly.

In one embodiment, the front end of the connector 10 has an expansion slot 16 formed therein.

In this embodiment, the front end of the connecting member 10 is inwardly provided with an additional expansion space, which is easier for the person skilled in the art to install when the cable 40 is inserted, and after the installation, the space is filled with resin glue, so that the air tightness of the airtight connecting assembly of the present application can be further improved. Preferably, the resin adhesive is epoxy resin, and the epoxy resin can play a role in sealing, waterproofing and enhancing the tensile strength on the premise of considering the cost.

As shown in fig. 1 and fig. 2, in one embodiment, a clamping groove 15 is formed on a side wall of the connecting member 10 near the front end, and the clamping groove 15 is clamped and fixed with the electronic device and the anti-folding buffer sheath 30.

In one embodiment, the expansion slots 16 are stepped with the inner wall of the connector 10.

In this embodiment, epoxy resin is filled between the expansion slot 16 and the stepped structure of the connector 10 and the outer shielding layer 41 to enhance the tensile strength, and the expansion slot 16 provides a stronger bending resistance at the connection, and makes it easy for a person skilled in the art to install the cable.

In one embodiment, the axial projection of the top end of the first connecting member 10 is a regular polygon.

In one embodiment, the connecting member 10 is made of plastic, and the anti-folding buffer sheath 30 is made of rubber.

In one embodiment, the two ends of the cable 40 are respectively installed with the airtight connection assembly of the present application, the connection member 10 includes a first connection member 50 and a second connection member 60, the two ends of the cable 40 are oppositely disposed, the top end of the first connection member 60 extends outwards to form the cable 40 for electrically connecting with an electronic device, the top end of the second connection member 10 is provided with a plug 70, and the plug 70 is fixed to the second connection member 60 in a clamping manner to electrically connect the cable 40 with another electronic device.

In this embodiment, the types of the connecting member 10 include at least two types, the first connecting member 50 is usually disposed inside the electronic device, only the anti-folding buffer sheath 30 is exposed to the external environment, and the top end of the second connecting member 60 is connected with the plug 70, so that only the plug 70 is inserted into another electronic device at this end to electrically connect the two electronic devices, and the rest of the components at this end are exposed to the external environment. The connection plug 70 of the connector 10 and the connection portion of the connector 10 and the anti-folding buffer sheath 30 only need to be modified according to structural adaptability, and are not described in detail herein.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. An air-tight connection assembly, characterized in that, comprising an anti-folding buffer sheath, a connector and a cable;

The shielding layer of the preset length of the cable is turned over to the outside of the cable to form an outer shielding layer, and the connecting piece is outside the cable and is laminated and fixed with the outer shielding;

The anti-folding buffer sheath is arranged on the outer side of the cable and the connecting piece, is fixed with the cable, is attached to the rear end of the connecting piece, and is clamped and fixed;

A filling part with a preset length is left between the rear end of the connector and the anti-folding buffer sheath, and the filling part is filled with silica gel or resin glue;

The part between the connector and the cable except the filling part is filled with resin glue.

2 . The airtight connecting assembly according to claim 1 , wherein the rear end of the connecting piece is extended with an annular convex portion in the circumferential direction thereof. 3 .

3 . The airtight connection assembly according to claim 2 , wherein the angle formed between the end surface of the annular raised portion and the side wall of the raised portion is 90 degrees. 4 .

4 . The airtight connection assembly according to claim 1 , wherein a limiting groove is provided on the side wall of the connecting piece, and a corresponding position on the inner wall of the anti-folding buffer sheath is matched with the limiting groove. 5 . the limit protrusion.

5 . The airtight connecting assembly according to claim 1 , wherein an abutting portion is extended in the circumferential direction of the side wall of the middle portion of the connecting piece, and one end of the abutting portion is connected to the anti-folding buffer sheath. 6 . abut each other.

6 . The airtight connection assembly according to claim 5 , wherein a buffer groove is formed at one end of the abutting portion in contact with the electronic device, and the buffer washer is placed in the buffer groove. 7 .

7 . The airtight connecting assembly according to claim 1 , wherein an expansion groove is formed in the front end of the connecting piece. 8 .

8 . The airtight connecting assembly according to claim 5 , wherein a side wall of the connecting piece close to the front end is provided with a card slot, and the card slot is clipped and fixed with the electronic device. 9 .

9 . The airtight connecting assembly according to claim 7 , wherein the expansion groove and the inner wall of the connecting piece are in a stepped structure. 10 .

10 . The airtight connecting assembly according to claim 1 , wherein the axial projection of the top end of the connecting piece is a regular polygon. 11 .