CN219419625U - New energy connector waterproof construction - Google Patents
New energy connector waterproof construction Download PDFInfo
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- CN219419625U CN219419625U CN202320147330.8U CN202320147330U CN219419625U CN 219419625 U CN219419625 U CN 219419625U CN 202320147330 U CN202320147330 U CN 202320147330U CN 219419625 U CN219419625 U CN 219419625U
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- sleeve
- locking sleeve
- cable
- elastic binding
- new energy
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Abstract
The utility model discloses a waterproof structure of a new energy connector, which comprises a connector body, wherein a cable insertion pipe is arranged on the connector body, a locking sleeve is detachably sleeved on the cable insertion pipe, an elastic binding sleeve is sleeved on the cable insertion pipe, the elastic binding sleeve is positioned between the locking sleeve and the cable insertion pipe, the locking sleeve is in interference fit with the elastic binding sleeve, the inner diameter of a wire inlet hole of the locking sleeve is smaller than the diameter of the elastic binding sleeve, and one end of the elastic binding sleeve, which is positioned in the wire inlet hole, is in an extruded and contracted state. According to the utility model, the wire inlet hole extrudes the end part of the elastic binding sleeve, so that one end of the elastic binding sleeve, which is positioned in the wire inlet hole, is in an extruded and contracted state, and the end part of the elastic binding sleeve is contracted inwards along the radial direction, so that the end part of the elastic binding sleeve is tightly matched with the outer surface of the coated cable, the outer surface of the cable can be more comprehensively attached, the tiny gap is reduced, and the waterproof effect is improved.
Description
Technical Field
The utility model belongs to the technical field of connectors, and particularly relates to a waterproof structure of a new energy connector.
Background
Because the new energy automobile needs to rely on the battery to supply power, in case the connector for high-voltage transmission has short circuit or open circuit fault, not only can the normal running of the automobile be influenced, but also the driver and the passengers can be brought into dangerous places at the same time, so that the long-term stable work of the electric connector can effectively ensure the running safety of the automobile.
However, the prior art has some problems: the connector for the new energy automobile has the problem that the waterproof effect is poor, most of the existing high-voltage power transmission connectors only adopt sealing rings made of different materials to achieve the waterproof effect, the waterproof mode is poor in effect on the threading part of the connector, gaps exist between the threading rear wire and the sealing rings, radial tightening constraint does not exist on the threading part of the cable, water seepage is caused at the position, and circuit faults are caused.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a new energy connector waterproof structure which has the advantage of adopting a squeezing tightening mode to radially tighten and restrict the threading part of a cable, and solves the problem of poor waterproof effect of the threading part of the cable of the existing connector.
The utility model discloses a waterproof structure of a new energy connector, which comprises a connector body, wherein a cable insertion pipe is arranged on the connector body, a locking sleeve is detachably sleeved on the cable insertion pipe, an elastic binding sleeve is sleeved on the cable insertion pipe, the elastic binding sleeve is positioned between the locking sleeve and the cable insertion pipe, the locking sleeve is in interference fit with the elastic binding sleeve, the inner diameter of a wire inlet hole of the locking sleeve is smaller than the diameter of the elastic binding sleeve, and one end of the elastic binding sleeve, which is positioned in the wire inlet hole, is in an extrusion and binding state.
As preferable in the utility model, the outer wall of the cable insertion tube is provided with a flange, the flange is provided with external threads, the locking sleeve is internally provided with internal threads, and the cable insertion tube is in threaded connection with the locking sleeve.
As a preferred aspect of the present utility model, the elastic binding sleeve includes a sleeve joint portion and a binding portion, the sleeve joint portion is connected to the cable insertion tube, the binding portion extends to a wire inlet hole of the locking sleeve, and the binding portion is configured as claw pieces distributed in annular intervals.
As a preferable mode of the utility model, the inner wall of the claw piece is provided with a hook block, and one end of the hook block is tightly attached to the end part of the cable insertion pipe.
As the preferable mode of the utility model, the inner diameter of the wire inlet hole of the locking sleeve is smaller than the inner diameter of the inner cavity of the locking sleeve, a transition section is formed at the joint of the inner cavity of the locking sleeve and the wire inlet hole, and the transition section is in a trumpet-shaped arrangement which is tightened from inside to outside.
Preferably, a sealing ring is further arranged at the joint of the locking sleeve and the cable insertion tube, and the sealing ring is positioned at the opening of the locking sleeve, which is close to one end of the connector body.
As the preferable mode of the utility model, the opening of the locking sleeve is provided with an annular groove for embedding the sealing ring, the outer wall of the cable cannula is provided with a limiting ring, and two sides of the sealing ring are respectively tightly attached to the annular groove and the limiting ring.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, through the design that the inner diameter of the wire inlet hole of the locking sleeve is smaller than the diameter of the elastic binding sleeve, the locking sleeve is sleeved on the wire inlet hole to extrude the end part of the elastic binding sleeve in the process of inserting the wire, so that one end of the elastic binding sleeve, which is positioned in the wire inlet hole, is in an extruded and contracted state, and the end part of the elastic binding sleeve is contracted inwards along the radial direction, so that the end part of the elastic binding sleeve is in closer fit with the outer surface of the coated wire, the outer surface of the wire can be more comprehensively attached, the tiny gap is reduced, and the waterproof effect is improved; and this elasticity constraint cover sets up between locking sleeve and cable intubate, consequently can also fill the clearance in the locking sleeve sealedly, prevent that locking sleeve's other end opening from oozing water liquid back, through the clearance infiltration entering with between the cable intubate to this elasticity constraint cover can all be formed effective seal with locking sleeve's both ends, simple structure, effectual.
Drawings
FIG. 1 is a schematic view of a connector according to an embodiment of the present utility model;
FIG. 2 is a schematic view of a locking sleeve according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a cable cannula according to an embodiment of the present utility model;
FIG. 4 is a schematic view of an elastic constraining sheath provided by an embodiment of the present utility model;
fig. 5 is a schematic view of a claw sheet according to an embodiment of the present utility model.
In the figure: 1. a connector body; 2. a locking sleeve; 21. a transition section; 22. an annular groove; 3. a cable cannula; 31. a flange; 32. a limiting ring; 4. a binding sleeve; 41. a socket joint part; 42. a converging part; 421. a hook block; 5. and (3) sealing rings.
Detailed Description
For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.
The structure of the present utility model will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the waterproof structure of a new energy connector provided by the embodiment of the utility model comprises a connector body 1, wherein a cable insertion tube 3 is arranged on the connector body 1, and a locking sleeve 2 is detachably sleeved on the cable insertion tube 3; when the wiring is used, a cable passes through an opening at one end, far away from the connector body 1, of the locking sleeve 2, namely a wire inlet hole, and then penetrates into the cable insertion tube 3 to be electrically connected;
an elastic binding sleeve 4 is sleeved on the cable insertion tube 3, the elastic binding sleeve 4 is positioned between the locking sleeve 2 and the cable insertion tube 3, and the locking sleeve 2 is in interference fit with the elastic binding sleeve 4; therefore, the gap in the locking sleeve 2 can be filled and sealed, and water seepage entering through the gap between the locking sleeve 2 and the cable cannula 3 is prevented after water seepage is prevented from entering through the other end of the locking sleeve 2, namely, the opening near one end of the connector body 1;
the inner diameter of the wire inlet hole of the locking sleeve 2 is smaller than the diameter of the elastic binding sleeve 4, and one end of the elastic binding sleeve 4 positioned in the wire inlet hole is in an extruded and contracted state; in the process that the locking sleeve 2 is sleeved on the cable insertion tube 3, the wire inlet hole extrudes the end part of the elastic constraint sleeve 4, so that one end of the elastic constraint sleeve 4, which is positioned at the wire inlet hole, is in an extruded and contracted state, and the end part of the elastic constraint sleeve 4 is contracted inwards along the radial direction, so that the end part of the elastic constraint sleeve 4 is matched with the outer surface of the coated cable more tightly, the outer surface of the cable can be more comprehensively attached, the tiny gap is reduced, and the waterproof effect is improved;
the elastic binding sleeve 4 can be made of materials with better elastic extensibility, such as rubber, butyronitrile and the like.
The locking sleeve 2 and the cable cannula 3 can be connected in a manner such as interference fit, elastic fit, concave-convex fit, pin joint, threaded fit and the like; preferably, in this embodiment, a screw-fit connection is shown: the outer wall of the cable insertion tube 3 is provided with a flange 31, an external thread is arranged on the flange 31, an internal thread is arranged in the locking sleeve 2, and the cable insertion tube 3 is in threaded connection with the locking sleeve 2;
in this embodiment, the process that the locking sleeve 2 is sleeved on the cable cannula 3 is screwed tightly, so that the end part of the elastic binding sleeve 4 can be slowly and uniformly tightened in the process, and the slowly and uniformly manner can effectively prevent the elastic binding sleeve 4 from being twisted and folded during the binding, thereby preventing a larger gap from being generated and improving the sealing effect.
Specifically, the elastic binding sleeve 4 includes a sleeve joint part 41 and a binding part 42 which are connected, the sleeve joint part 41 is connected to the cable insertion tube 3, the binding part 42 extends to the wire inlet of the locking sleeve 2, and the binding part 42 is provided as claw sheets distributed in annular intervals;
the beam-converging portion 42 is a plurality of groups of claw pieces, the claw pieces can be preferably formed integrally with the sleeve joint portion 41, the space between the claw pieces provides space for the claw pieces to converge inwards, the beam-converging portion 42 can be effectively prevented from being twisted and folded, and the space between the claw pieces is set in a uniform specification; when the claw pieces are extruded by the inner wall of the locking sleeve 2, the gaps of the claw piece are extruded and reduced until the adjacent claw pieces are completely attached, so that the claw pieces can be attached to the outer surface of the cable;
further, a hook block 421 is arranged on the inner wall of the claw piece, and one end of the hook block 421 is tightly attached to the end part of the cable cannula 3;
the hook block 421 can provide higher mechanical strength for the claw sheet, and the hook block 421 increases the thickness of the claw sheet, so that the claw sheet can be extruded to obtain larger deformation space; after the end part of the hook block 421 is attached to the end part of the cable insertion tube 3, a gap between the cable insertion tube 3 and a wire inlet hole of the locking sleeve 2 can be filled, so that the waterproof effect is better;
further, the inner diameter of the wire inlet hole of the locking sleeve 2 is smaller than the inner diameter of the inner cavity of the locking sleeve 2, a transition section 21 is formed at the joint of the inner cavity of the locking sleeve 2 and the wire inlet hole, and the transition section 21 is in a horn-shaped arrangement which is tightened from inside to outside; therefore, when the elastic binding sleeve 4 gradually approaches the line-in hole position of the locking sleeve 2, the transition section 21 can slowly and uniformly press the elastic binding sleeve 4 inwards, and the slowly and uniformly manner can effectively prevent the elastic binding sleeve 4 from twisting and folding during the binding, thereby preventing larger gaps from being generated and improving the sealing effect.
The joint of the locking sleeve 2 and the cable insertion tube 3 is also provided with a sealing ring 5, the sealing ring 5 is positioned at the opening of the locking sleeve 2 near one end of the connector body 1, the opening of the locking sleeve 2 is provided with an annular groove 22 for embedding the sealing ring 5, the outer wall of the cable insertion tube 3 is provided with a limiting ring 32, and two sides of the sealing ring 5 are respectively tightly attached to the annular groove 22 and the limiting ring 32;
in this embodiment, sealing washer 5 can further prevent the clearance infiltration between locking sleeve 2 and the cable intubate 3, can very big improvement waterproof performance after the cooperation is used with elasticity constraint cover 4.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a new energy connector waterproof construction, includes connector body (1), be provided with cable intubate (3) on connector body (1), detachable cover is equipped with locking sleeve (2), its characterized in that on cable intubate (3): the cable inserting tube (3) is sleeved with an elastic binding sleeve (4), the elastic binding sleeve (4) is located between the locking sleeve (2) and the cable inserting tube (3), the locking sleeve (2) is in interference fit with the elastic binding sleeve (4), the inner diameter of a wire inlet hole of the locking sleeve (2) is smaller than the diameter of the elastic binding sleeve (4), and one end of the elastic binding sleeve (4) located in the wire inlet hole is in an extrusion binding state.
2. The new energy connector waterproof structure as claimed in claim 1, wherein: the outer wall of the cable insertion tube (3) is provided with a flange (31), external threads are formed on the flange (31), internal threads are formed in the locking sleeve (2), and the cable insertion tube (3) is in threaded connection with the locking sleeve (2).
3. The new energy connector waterproof structure as claimed in claim 1, wherein: the elastic binding sleeve (4) comprises a sleeving part (41) and a binding part (42) which are connected, the sleeving part (41) is connected to the cable insertion tube (3), the binding part (42) extends to a wire inlet hole of the locking sleeve (2), and the binding part (42) is provided with claw sheets distributed at annular intervals.
4. A new energy connector waterproof structure as claimed in claim 3, wherein: the inner wall of the claw piece is provided with a hook block (421), and one end of the hook block (421) is tightly attached to the end part of the cable insertion pipe (3).
5. The new energy connector waterproof structure as claimed in claim 1, wherein: the inner diameter of the wire inlet hole of the locking sleeve (2) is smaller than the inner diameter of the inner cavity of the locking sleeve, a transition section (21) is formed at the joint of the inner cavity of the locking sleeve (2) and the wire inlet hole, and the transition section (21) is in a horn-shaped arrangement which is tightened from inside to outside.
6. A new energy connector waterproof structure as claimed in any one of claims 1 to 5, wherein: the connector is characterized in that a sealing ring (5) is further arranged at the joint of the locking sleeve (2) and the cable insertion tube (3), and the sealing ring (5) is positioned at the opening of the locking sleeve (2) close to one end of the connector body (1).
7. The new energy connector waterproof structure as claimed in claim 6, wherein: the cable sleeve is characterized in that an annular groove (22) for embedding a sealing ring (5) is formed in the opening of the locking sleeve (2), a limiting ring (32) is arranged on the outer wall of the cable insertion tube (3), and two sides of the sealing ring (5) are respectively tightly attached to the annular groove (22) and the limiting ring (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147330.8U CN219419625U (en) | 2023-02-02 | 2023-02-02 | New energy connector waterproof construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320147330.8U CN219419625U (en) | 2023-02-02 | 2023-02-02 | New energy connector waterproof construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219419625U true CN219419625U (en) | 2023-07-25 |
Family
ID=87234152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320147330.8U Active CN219419625U (en) | 2023-02-02 | 2023-02-02 | New energy connector waterproof construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219419625U (en) |
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2023
- 2023-02-02 CN CN202320147330.8U patent/CN219419625U/en active Active
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