CN110544919B - Waterproof cable joint and wire harness for electric appliance - Google Patents
Waterproof cable joint and wire harness for electric appliance Download PDFInfo
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- CN110544919B CN110544919B CN201910896664.3A CN201910896664A CN110544919B CN 110544919 B CN110544919 B CN 110544919B CN 201910896664 A CN201910896664 A CN 201910896664A CN 110544919 B CN110544919 B CN 110544919B
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- elastic element
- socket
- cable
- joint
- inner walls
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/08—Cable junctions
Abstract
The invention provides a waterproof cable joint, wherein one end of a joint body is provided with a first socket for inserting a first cable, the other end of the joint body is provided with a second socket for inserting a second cable, the first socket and the second socket are communicated and coaxially arranged, the inner walls of the first socket and the second socket are respectively provided with a first elastic element and a second elastic element, the inner walls of the first socket and the second socket are conical surfaces, the diameters of the inner walls of the first socket and the second socket are gradually reduced from the outer end to the inner end, the outer walls of the first elastic element and the second elastic element are respectively conical surfaces matched with the inner walls of the first socket and the second socket, and the inner walls of the first elastic element and the second elastic element are cylindrical surfaces. The waterproof cable joint disclosed by the invention has the advantages that the gap between the elastic element and the cable penetrating through the first elastic element is well filled, a better sealing effect is achieved, and water is prevented from permeating into the cable joint. The invention also provides a wire harness for an electric appliance, which comprises the waterproof cable joint.
Description
Technical Field
The invention relates to the technical field of electric appliance accessories, in particular to a waterproof cable joint and a wire harness for an electric appliance comprising the same.
Background
The cable connector is also called a cable head. After the cable is laid, the sections of the cable must be connected together in order to form a continuous line, and these connections are called cable connectors. The cable joints at the middle of the cable run are called intermediate joints and the cable joints at the two ends of the run are called termination joints. The cable joint is used for locking and fixing the incoming and outgoing lines, and plays a role in water resistance, dust prevention and vibration prevention.
When the cable joint is used, the incoming cable and the outgoing cable are inserted into the cable joint, and the two cables are connected. The main function of cable joint is including making the circuit unobstructed, makes the cable keep sealed, if sealed bad, inside moisture can invade the cable, and current cable joint's waterproof performance remains to promote further.
Therefore, it is a realistic meaning for a person skilled in the art how to develop a watertight cable joint.
Disclosure of Invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a waterproof cable joint to improve or improve the waterproof performance or sealing performance of the cable joint.
The invention also aims to provide a wire harness for electric appliances, which comprises the waterproof cable joint.
To solve the above problems, in one aspect, the present invention provides a waterproof cable joint for connecting a first cable and a second cable, characterized in that: the connector comprises a connector body, one end of the connector body is provided with a first socket for inserting a first cable, the other end of the connector body is provided with a second socket for inserting a second cable, the first socket and the second socket are communicated with each other and coaxially arranged, a first elastic element and a second elastic element are respectively installed on the inner walls of the first socket and the second socket, the inner walls of the first socket and the second socket are conical surfaces, the diameters of the inner walls of the first socket and the second socket are gradually reduced from the outer end to the inner end, the outer walls of the first elastic element and the second elastic element are respectively conical surfaces matched with the inner walls of the first socket and the second socket, and the inner walls of the first elastic element and the second elastic element are cylindrical surfaces.
As a further improvement of the waterproof cable joint, the waterproof cable joint further comprises a first compression ring and a second compression ring, the first compression ring is in threaded connection with the outer wall of the joint body at the first socket, the first compression ring is abutted against the first elastic element and used for applying axial pressing force to the first elastic element, the second compression ring is in threaded connection with the outer wall of the joint body at the second socket and abutted against the second elastic element and used for applying axial pressing force to the second elastic element.
As a further improvement of the above waterproof cable joint, the first elastic member and the second elastic member are partially located outside the joint body.
As a further improvement of the waterproof cable joint, the first compression ring and the second compression ring are both made of stainless steel materials.
As a further improvement of the above waterproof cable joint, the taper of the inner walls of the first and second insertion openings is in the range of 10 to 40 °.
As a further improvement of the above waterproof cable joint, the taper of the inner walls of the first and second insertion openings is 20 °.
As a further improvement of the waterproof cable joint, the waterproof cable joint further comprises a sealing element, wherein an annular bulge is arranged in the joint body, the sealing element abuts against the inner wall of the annular bulge, and the sealing element is used for sealing the joint of the first cable and the second cable.
As a further improvement of the above waterproof cable joint, the sealing member is an annular sealing ring.
As a further improvement of the waterproof cable joint, the sealing element is made of rubber materials.
According to the waterproof cable joint, the inner walls of the first socket and the second socket of the joint body are conical surfaces, the diameters of the inner walls of the first socket and the second socket are gradually reduced from the outer end to the inner end, the outer walls of the first elastic element and the second elastic element are respectively conical surfaces matched with the inner walls of the first socket and the second socket, when the first cable and the second cable are connected, the conical surfaces can extrude the first elastic element and the second elastic element, so that the shapes of the first elastic element and the second elastic element are changed, gaps between the first elastic element and the first cable penetrating through the first elastic element and between the second elastic element and the second cable penetrating through the second elastic element are filled well, a good sealing effect is achieved, water is prevented from permeating into the cable joint, and the waterproof performance or the sealing performance of the cable joint is improved.
In another aspect, the present invention provides a wire harness for an electrical appliance including the waterproof cable joint according to any one of the above aspects.
Since the wire harness for an electrical appliance is provided with the waterproof cable joint, the wire harness for an electrical appliance has all the technical effects of the waterproof cable joint.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic structural view of a waterproof cable joint according to a first embodiment of the present invention.
Fig. 2 is a schematic structural view of a waterproof cable joint according to a second embodiment of the present invention.
In the drawings:
1-first cable 2-second cable 3-connector body
4-first elastic element 5-second elastic element 6-first compression ring
7-second clamping ring 8-annular projection 9-seal
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to the attached drawings. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
In the description of the present invention, it should be noted that the terms indicating orientation or positional relationship appearing are based on the orientation or positional relationship shown in the drawings only for the convenience of describing the present invention and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified and limited, the specific meanings of the above terms in the present invention can be specifically understood by those skilled in the art.
Example one
Referring to fig. 1, the present invention provides a waterproof cable joint for connecting a first cable 1 and a second cable 2, the waterproof cable joint comprises a joint body 3, one end of the joint body 3 is provided with a first socket for inserting a first cable 1, the other end of the joint body 3 is provided with a second jack for plugging a second cable 2, the first jack and the second jack are mutually communicated and coaxially arranged, the inner walls of the first and second sockets are respectively provided with a first elastic element 4 and a second elastic element 5, the inner walls of the first socket and the second socket are conical surfaces with diameters gradually reduced from the outer end to the inner end, the outer walls of the first elastic element 4 and the second elastic element 5 are conical surfaces matched with the inner walls of the first inserting opening and the second inserting opening respectively, and the inner walls of the first elastic element 4 and the second elastic element 5 are cylindrical surfaces.
The outer end refers to an end of the first jack facing away from the second jack, the inner end refers to an end of the first jack facing away from the second jack, correspondingly, the outer end refers to an end of the second jack facing away from the first jack, and the inner end refers to an end of the second jack facing away from the first jack.
In the waterproof cable joint, the inner walls of the first socket and the second socket of the joint body 3 are conical surfaces of which the diameters are gradually reduced from the outer end to the inner end, the outer walls of the first elastic element 4 and the second elastic element 5 are respectively conical surfaces matched with the inner walls of the first socket and the second socket, when the first cable 1 and the second cable 2 are connected, the conical surface presses the first elastic element 4 and the second elastic element 5, so that the shapes of the first elastic element 4 and the second elastic element 5 are changed, therefore, gaps between the first elastic element 4 and the first cable 1 penetrating through the first elastic element 4 and between the second elastic element 5 and the second cable 2 penetrating through the second elastic element 5 are filled well, a good sealing effect is achieved, water is prevented from penetrating into the cable joint, and the waterproof performance or the sealing performance of the cable joint is improved.
In order to better press the first elastic element 4 and the second elastic element 5 to change the shape of the first elastic element 4 and the second elastic element 5, a first compression ring 6 and a second compression ring 7 are further included, the first compression ring 6 is in threaded connection with the outer wall of the joint body 3 at a first socket, the first compression ring 6 is in abutment with the first elastic element 4 and is used for applying axial pressing force to the first elastic element 4, the second compression ring 7 is in threaded connection with the outer wall of the joint body 3 at a second socket, and the second compression ring 7 is in abutment with the second elastic element 5 and is used for applying axial pressing force to the second elastic element 5. During the use, through wearing to establish first cable 1 in first clamp ring 6 and setting in first elastic element 4, wear to establish second clamp ring 7 and setting in second elastic element 5 with second cable 2, then first clamp ring 6 and second clamp ring 7 screw in connect the body 3, extrude first elastic element 4 and second elastic element 5, make the shape of first elastic element 4 and second elastic element 5 further change, filled the clearance between first elastic element 4 and the first cable 1 that passes from first elastic element 4 and between second elastic element 5 and the second cable 2 that passes from second elastic element 5 better, reached better sealed effect.
Preferably, the first elastic element 4 and the second elastic element 5 are partially located outside the joint body 3, and are arranged so that the first compression ring 6 abuts against the first elastic element 4 to apply an axial pressing force to the first elastic element 4, and so that the second compression ring 7 abuts against the second elastic element 5 to apply an axial pressing force to the second elastic element 5.
It can be understood that the first clamp ring 6 and the second clamp ring 7 can be made of stainless steel, the stainless steel has excellent corrosion resistance, the service life of the first clamp ring 6 and the second clamp ring 7 can be ensured when the clamp is used underwater, the joint body 3 can be made of glass fiber reinforced plastic, the glass fiber reinforced plastic has good insulating ability and corrosion resistance, and the service life of the joint body 3 can be prolonged.
Specifically, the taper of the inner walls of the first and second sockets is in the range of 10-40 °. More specifically, the taper of the inner walls of the first and second sockets is 20 °.
Alternatively, the first elastic element 4 and the second elastic element 5 may be made of a rubber material.
In summary, in the waterproof cable joint of the present invention, because the inner walls of the first socket and the second socket of the joint body 3 are conical surfaces whose diameters gradually decrease from the outer end to the inner end, the outer walls of the first elastic element 4 and the second elastic element 5 are respectively conical surfaces which are matched with the inner walls of the first socket and the second socket, when the first cable 1 and the second cable 2 are connected, the conical surface presses the first elastic element 4 and the second elastic element 5, so that the shapes of the first elastic element 4 and the second elastic element 5 are changed, therefore, gaps between the first elastic element 4 and the first cable 1 penetrating through the first elastic element 4 and between the second elastic element 5 and the second cable 2 penetrating through the second elastic element 5 are filled well, a good sealing effect is achieved, water is prevented from penetrating into the cable joint, and the waterproof performance or the sealing performance of the cable joint is improved.
Example two
In this embodiment, referring to fig. 2, it is different from the first embodiment that the connector further includes a sealing member 9, an annular protrusion 8 is disposed in the connector body 3, the sealing member 9 abuts against an inner wall of the annular protrusion 8, and the sealing member 9 is used for sealing an interface between the first cable 1 and the second cable 2. In this embodiment, the sealing member 9 may seal the interface between the first cable 1 and the second cable 2, preventing water from penetrating into the interior of the cable joint. Further, the present invention forms a "double sealing" structure with the first elastic member 4 and the second elastic member 5 by the sealing member 9, the first elastic member 4 and the second elastic member 5 axially seal a gap between the first elastic member 4 and the first cable 1 passing through the first elastic member 4 and between the second elastic member 5 and the second cable 2 passing through the second elastic member 5, and the sealing member 9 radially seals an interface between the first cable 1 and the second cable 2, further preventing water from penetrating into the inside of the cable joint, thereby improving sealing reliability of the watertight cable joint.
Optionally, the sealing element 9 is an annular sealing ring, and the sealing element 9 may be made of a rubber material.
In summary, in the waterproof cable joint of the present invention, because the inner walls of the first socket and the second socket of the joint body 3 are conical surfaces whose diameters gradually decrease from the outer end to the inner end, the outer walls of the first elastic element 4 and the second elastic element 5 are respectively conical surfaces which are matched with the inner walls of the first socket and the second socket, when the first cable 1 and the second cable 2 are connected, the conical surface presses the first elastic element 4 and the second elastic element 5, so that the shapes of the first elastic element 4 and the second elastic element 5 are changed, therefore, gaps between the first elastic element 4 and the first cable 1 penetrating through the first elastic element 4 and between the second elastic element 5 and the second cable 2 penetrating through the second elastic element 5 are filled well, a good sealing effect is achieved, water is prevented from penetrating into the cable joint, and the waterproof performance or the sealing performance of the cable joint is improved.
EXAMPLE III
The invention provides a wire harness for an electric appliance, which comprises the waterproof cable joint in the first embodiment or the second embodiment.
Since the wire harness for an electrical appliance is provided with the waterproof cable joint, the wire harness for an electrical appliance has all the technical effects of the waterproof cable joint.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (7)
1. A waterproof cable joint for connecting a first cable (1) and a second cable (2), characterized in that: the connector comprises a connector body (3), wherein one end of the connector body (3) is provided with a first socket for inserting a first cable (1), the other end of the connector body (3) is provided with a second socket for inserting a second cable (2), the first socket and the second socket are communicated and coaxially arranged, the inner walls of the first socket and the second socket are respectively provided with a first elastic element (4) and a second elastic element (5), the inner walls of the first socket and the second socket are conical surfaces, the diameters of the inner walls of the first socket and the second socket are gradually reduced from the outer end to the inner end, the outer walls of the first elastic element (4) and the second elastic element (5) are respectively conical surfaces matched with the inner walls of the first socket and the second socket, and the inner walls of the first elastic element (4) and the second elastic element (5) are cylindrical surfaces; the joint further comprises a first compression ring (6) and a second compression ring (7), wherein the first compression ring (6) is in threaded connection with the outer wall of the joint body (3) at a first socket, the first compression ring (6) is abutted with the first elastic element (4) and used for applying axial compression force to the first elastic element (4), the second compression ring (7) is in threaded connection with the outer wall of the joint body (3) at a second socket, and the second compression ring (7) is abutted with the second elastic element (5) and used for applying axial compression force to the second elastic element (5); the first elastic element (4) and the second elastic element (5) are partially positioned on the outer side of the joint body (3), the joint further comprises a sealing piece (9), an annular protrusion (8) is arranged in the joint body (3), the sealing piece (9) abuts against the inner wall of the annular protrusion (8), and the sealing piece (9) is used for sealing the interface of the first cable (1) and the second cable (2).
2. The watertight cable joint according to claim 1, wherein: the first compression ring (6) and the second compression ring (7) are both made of stainless steel materials.
3. The watertight cable joint according to claim 1, wherein: the taper of the inner walls of the first and second sockets is in the range 10-40 °.
4. The watertight cable joint according to claim 3, wherein: the taper of the inner walls of the first and second sockets is 20 °.
5. The watertight cable joint according to claim 4, wherein: the sealing element (9) is an annular sealing ring.
6. The watertight cable joint according to claim 1, wherein: the sealing element (9) is made of rubber materials.
7. A wire harness for an electric appliance, characterized in that: comprising a watertight cable joint according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896664.3A CN110544919B (en) | 2019-09-23 | 2019-09-23 | Waterproof cable joint and wire harness for electric appliance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910896664.3A CN110544919B (en) | 2019-09-23 | 2019-09-23 | Waterproof cable joint and wire harness for electric appliance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110544919A CN110544919A (en) | 2019-12-06 |
| CN110544919B true CN110544919B (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910896664.3A Active CN110544919B (en) | 2019-09-23 | 2019-09-23 | Waterproof cable joint and wire harness for electric appliance |
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| Country | Link |
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| CN (1) | CN110544919B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201112588Y (en) * | 2007-10-22 | 2008-09-10 | 湖北兴和电力新材料股份有限公司 | Combined insulation pipe busbar intermediate connector |
| CN201303243Y (en) * | 2008-11-07 | 2009-09-02 | 长沙长缆电缆附件有限公司 | Plug-in reducing cable butting connector for high-voltage power cable |
| CN202142834U (en) * | 2011-07-15 | 2012-02-08 | 广东长牛电气有限公司 | Intermediate joint of waterproof multi-core cable |
| CN202633883U (en) * | 2012-05-22 | 2012-12-26 | 宁波吉品科技股份有限公司 | Check waterproof connector |
| CN203871832U (en) * | 2014-06-13 | 2014-10-08 | 国网四川省电力公司双流县供电分公司 | Combined premade center connector |
| CN206195323U (en) * | 2016-11-29 | 2017-05-24 | 北京金风科创风电设备有限公司 | A cable joint |
| CN207939179U (en) * | 2018-03-13 | 2018-10-02 | 苏州正北连接技术有限公司 | A kind of waterproof shield connector |
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2019
- 2019-09-23 CN CN201910896664.3A patent/CN110544919B/en active Active
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| Publication number | Publication date |
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| CN110544919A (en) | 2019-12-06 |
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