CN211127085U - Waterproof joint of cable - Google Patents
Waterproof joint of cable Download PDFInfo
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- CN211127085U CN211127085U CN201922047654.0U CN201922047654U CN211127085U CN 211127085 U CN211127085 U CN 211127085U CN 201922047654 U CN201922047654 U CN 201922047654U CN 211127085 U CN211127085 U CN 211127085U
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Abstract
The utility model relates to a cable waterproof joint, which comprises a main body structure, an end cap and a flexible sealing sleeve; one end of the main body structure is sleeved in an inner cavity of the end cap, the main body structure and the end cap can be fixed relatively, an inner hole penetrating through the main body structure is formed in the main body structure, the central axis of the inner hole is overlapped with the central axis of the main body structure, a sealing hole is formed at one end, close to the end cap, of the inner hole, the sealing hole is of a horn-shaped structure, and the minimum diameter of the sealing hole is the same as the diameter of the inner hole; an end cover is arranged at one end, far away from the main body structure, of the end cap, a first through hole is formed in the end cover, and the central axis of the first through hole is overlapped with the central axis of the end cap; a flexible sealing sleeve is arranged between the end cap and the main body structure, the flexible sealing sleeve and the main body structure are limited through a sealing hole, and the flexible sealing sleeve and the end cap are limited through an end cover.
Description
Technical Field
The utility model belongs to the technical field of power equipment, concretely relates to cable water joint.
Background
The inventor has known that when cable waterproof connector locking cable protection commonly used in the market at present, cable line footpath locking range is generally restricted, has led to using limitedly, need adopt the waterproof connector of multiple model during the lectotype, has directly led to the lectotype product kind to be many, and waterproof connector commonality is not strong, leads to purchasing cost to improve, product cost increase indirectly.
Meanwhile, the existing cable waterproof structure is easy to fail in sealing after aging, and the sealing of the cable is affected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the not enough of above-mentioned prior art, provide a cable water joint, can improve cable water joint's commonality, reduce the material kind, reduce purchasing cost.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a waterproof joint for a cable comprises a main body structure, an end cap and a flexible sealing sleeve; one end of the main body structure is sleeved in an inner cavity of the end cap, the main body structure and the end cap can be fixed relatively, an inner hole penetrating through the main body structure is formed in the main body structure, the central axis of the inner hole is overlapped with the central axis of the main body structure, a sealing hole is formed at one end, close to the end cap, of the inner hole, the sealing hole is of a horn-shaped structure, and the minimum diameter of the sealing hole is the same as the diameter of the inner hole;
an end cover is arranged at one end, far away from the main body structure, of the end cap, a first through hole is formed in the end cover, and the central axis of the first through hole is overlapped with the central axis of the end cap;
a flexible sealing sleeve is arranged between the end cap and the main body structure, the flexible sealing sleeve and the main body structure are limited through a sealing hole, and the flexible sealing sleeve and the end cap are limited through an end cover;
the flexible sealing sleeve is provided with a second through hole, and the central axis of the second through hole is coincided with the central axis of the first through hole.
Furthermore, the flexible sealing sleeve is cylindrical, an inclined chamfer is arranged at one end, extending into the sealing hole, of the flexible sealing sleeve, and the inclined chamfer and the horn-shaped sealing hole form inclined plane sealing.
Further, the diameter of the second through hole is smaller than that of the first through hole, so that part of the structure of the flexible sealing sleeve can be deformed by extrusion and extend out of the first through hole.
Further, the diameter of the inner hole is larger than that of the second through hole.
Further, an external thread is arranged at one end, close to the end cap, of the main body structure, an internal thread is arranged in the end cap, and the end cap is connected with the main body structure through the thread.
The utility model has the advantages that:
1) adopt the structure of flexible seal cover, can choose for use the flexible seal cover of different dimensions, and then under the condition that does not change major structure and end cap, change waterproof construction's sealed locking scope.
2) The diameter of the first through hole is smaller than that of the second through hole, so that the diameter of the cable is smaller than that of the first through hole certainly, and when the flexible sealing sleeve is extruded, part of the structure of the flexible sealing sleeve can extend out of the first through hole, so that radial positioning and sealing of the cable are achieved.
3) Adopt sealed hole and inclined plane chamfer to form first sealed, adopt flexible sealing sleeve to form the second sealed at the extrusion deformation of first through-hole department, the sealed effect of water joint is improved to the mode of dual seal, avoids the ageing sealed inefficacy that causes of material.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a front view of the overall structure of the embodiment of the present invention;
fig. 2 is a cross-sectional view of the overall structure in an embodiment of the present invention;
fig. 3 is a front view of a flexible sealing sleeve in an embodiment of the present invention;
fig. 4 is a cross-sectional view of a flexible sealing sleeve in an embodiment of the invention.
In the figure: 1. a body structure; 2. an end cap; 3. a flexible sealing sleeve; 301. a first sealed end; 302. a second sealed end; 4. a first through hole; 5. a second through hole; 6. an inner bore.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
For convenience of description, the words "up, down, left, right" in the present invention, if appearing, are intended to correspond only to the upper, lower, left, right directions of the drawings themselves, not to limit the structure, but merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention.
In a typical embodiment of the present invention, as shown in fig. 1-4, a cable waterproof joint comprises a main structure 1, an end cap 2 and a flexible sealing sleeve 3; inner chamber of end cap 2 is located to major structure 1's an pot head, major structure 1 and end cap 2 can relatively fixed, have the hole 6 that runs through self among the major structure 1, the central axis of hole 6 and major structure 1's the central axis coincidence, the one end that hole 6 is close to end cap 2 forms sealed hole, sealed hole is loudspeaker column structure, the minimum diameter in sealed hole is the same with the diameter of hole 6.
An end cover is arranged at one end, far away from the main body structure 1, of the end cap 2, a first through hole 4 is formed in the end cover, and the central axis of the first through hole 4 is overlapped with the central axis of the end cap 2; be equipped with flexible seal cover 3 between end cap 2 and the major structure 1, it is spacing through sealed hole between flexible seal cover 3 and the major structure 1, it is spacing through the end cover between flexible seal cover 3 and the end cap 2, second through-hole 5 has in the flexible seal cover 3, the central axis of second through-hole 5 and the central axis coincidence of first through-hole 4.
The following is a detailed description of each component:
the main structure 1: the main structure 1 is used for connecting a housing of an electrical device, and therefore, one end of the main structure 1, which is far away from the end cap 2, is fixed on the electrical device by gluing or welding, and the specific fixing manner can be set by a person skilled in the art.
In some embodiments, in order to achieve the detachable connection of the main body structure 1 and the end cap 2 by a threaded connection, an external thread may be provided at one end of the main body structure 1, which is used in cooperation with an internal thread in the end cap 2.
In other embodiments, in order to fix the main body structure 1 and the end cap 2, a clamping groove or the like may be provided outside the main body structure 1, and a clamping plate may be provided in a hole inside the end cap 2 (no drawing is given here).
It should be noted that other technical solutions can be adopted by those skilled in the art, and the main body structure 1 is fixed after one end is sleeved in the end cap 2. No further examples are given here.
End cap 2: the end cap 2 is used as a plugging piece, after one end of the main body structure 1 is fixed through a shell of the power equipment, the other end of the main body structure 1 is plugged by the end cap 2, and a first through hole 4 at an end cover in the end cap 2 is used for allowing a cable to pass through.
Flexible sealing sleeve 3: the flexible sealing sleeve 3 can be deformed in a squeezing mode, and the flexible sealing sleeve 3 is spindle-shaped. In some embodiments, the material of the flexible sealing sleeve 3 is nitrile rubber, and in other embodiments, the material of the flexible sealing sleeve 3 may be set by a person skilled in the art.
Specifically, the end sealed with the sealing hole may be defined as a first sealing end 301, and the end sealed with the first through hole 4 at the end cap is defined as a second sealing end 302.
In the embodiment, the inner diameter of the flexible sealing sleeve 3 can be set to 3-8mm, 8-12mm and 2 sizes, and the outer diameter of the flexible sealing sleeve 3 is unchanged, so that the main body structure 1 and the end cap 2 are universal, and the 2 flexible sealing sleeves 3 can be freely switched according to the outer diameter of a cable. The axial locking is realized by fully utilizing the lengthened length of the flexible sealing sleeve 3 and by radial compression.
The flexible sealing sleeve 3 is cylindrical, the first sealing end 301 is provided with an inclined chamfer, the second sealing end 302 is provided with a round chamfer, and the inclined chamfer and the horn-shaped sealing hole form inclined surface sealing.
The diameter of the second through hole 5 is smaller than that of the first through hole 4, so that part of the structure of the flexible sealing sleeve 3 can be deformed by compression and protrude from the first through hole 4. The diameter of the inner hole 6 is larger than that of the second through hole 5.
After all parts of the sealing structure are assembled into a whole, the parts are locked by a common wrench, so that the wider locking range of the waterproof joint to the cable with the length of 3-12mm is realized, and 2 sealing lines are provided with one more layer of waterproof guarantee. By implementing the method, the types of the waterproof joints are reduced, the universality of the waterproof joints is greatly improved, the simple and excellent design of the waterproof joints is reflected, the purchase cost of company product accessories is reduced, a layer of guarantee is added to the waterproof performance of the joints, and the protection performance of the waterproof joints to cables is improved.
The working principle is as follows: one end of two cables to be connected penetrates through an inner hole 6 of the main body structure 1, the other end of the two cables penetrates through the sealing sleeve and the end cap 2, and then the tail ends of the two cables are connected.
The end cap 2 is close to the main body structure 1 and then sleeved outside the main body structure 1, and the end cap 2 is rotated to further move the end cap 2 towards the main body structure 1. The sealing inclined plane of the sealing hole at the main body structure 1 is in chamfer contact with the inclined plane outside the sealing sleeve to form first sealing.
With the screwing of the end cap 2, the flexible sealing sleeve 3 is extruded with the length of 2-5mm, and the extruded flexible sealing sleeve 3 structure with the specific extrusion amount related to the outer diameter of the cable can form a second seal. The second seal is first of all blocking the entry of external dust and moisture into the flexible sealing sleeve 3. Even if the second seal on the outermost side fails along with the aging and the shortened service life of the product, the first seal is used for the final waterproof guarantee.
Although the present invention has been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and those skilled in the art should understand that various modifications or variations that can be made by those skilled in the art without inventive work are still within the scope of the present invention.
Claims (6)
1. A waterproof cable joint is characterized by comprising a main body structure, an end cap and a flexible sealing sleeve;
one end of the main body structure is sleeved in an inner cavity of the end cap, the main body structure and the end cap can be fixed relatively, an inner hole penetrating through the main body structure is formed in the main body structure, the central axis of the inner hole is overlapped with the central axis of the main body structure, a sealing hole is formed at one end, close to the end cap, of the inner hole, the sealing hole is of a horn-shaped structure, and the minimum diameter of the sealing hole is the same as the diameter of the inner hole;
an end cover is arranged at one end, far away from the main body structure, of the end cap, a first through hole is formed in the end cover, and the central axis of the first through hole is overlapped with the central axis of the end cap;
a flexible sealing sleeve is arranged between the end cap and the main body structure, the flexible sealing sleeve and the main body structure are limited through a sealing hole, and the flexible sealing sleeve and the end cap are limited through an end cover;
the flexible sealing sleeve is provided with a second through hole, and the central axis of the second through hole is coincided with the central axis of the first through hole.
2. The waterproof cable joint of claim 1, wherein the flexible sealing boot is cylindrical, and an inclined chamfer is provided at an end of the flexible sealing boot extending into the sealing bore, the inclined chamfer forming an inclined seal with the flared sealing bore.
3. The cable gland according to claim 1, wherein the second aperture has a smaller diameter than the first aperture to allow a portion of the flexible boot seal to be deformed by compression and to extend through the first aperture.
4. The cable flashing fitting of claim 1, wherein the inner bore has a diameter greater than a diameter of the second through bore.
5. The cable flashing fitting of claim 1, wherein the body structure is externally threaded at an end thereof adjacent to an end cap having internal threads therein, the end cap being threadably coupled to the body structure.
6. The cable gland according to claim 1, wherein said flexible sealing boot is spindle shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922047654.0U CN211127085U (en) | 2019-11-22 | 2019-11-22 | Waterproof joint of cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922047654.0U CN211127085U (en) | 2019-11-22 | 2019-11-22 | Waterproof joint of cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211127085U true CN211127085U (en) | 2020-07-28 |
Family
ID=71702338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922047654.0U Active CN211127085U (en) | 2019-11-22 | 2019-11-22 | Waterproof joint of cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211127085U (en) |
-
2019
- 2019-11-22 CN CN201922047654.0U patent/CN211127085U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: A203, block F-1, Qilu Software Park, No.1 Shunhua Road, high tech Development Zone, Jinan City, Shandong Province Patentee after: Conway Communication Technology Co., Ltd Address before: A203, block F-1, Qilu Software Park, No.1 Shunhua Road, high tech Development Zone, Jinan City, Shandong Province Patentee before: SHANDONG KANGWEI COMMUNICATION TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |