CN219040878U

CN219040878U - Waterproof construction of power cord

Info

Publication number: CN219040878U
Application number: CN202320867186.5U
Authority: CN
Inventors: 孙伟; 吴字鲜; 姜军虎; 费勇
Original assignee: Chengdu Aerganglei Juejie Socket Manufacturing Co ltd
Current assignee: Chengdu Aerganglei Juejie Socket Manufacturing Co ltd
Priority date: 2023-04-18
Filing date: 2023-04-18
Publication date: 2023-05-16
Anticipated expiration: 2033-04-18

Abstract

The application discloses waterproof construction of power cord sets up between power cord and fixed part and is used for blockking up and sealing the gap between power cord and the fixed part, has seted up the through-hole on the fixed part, is provided with the mount pad in the fixed part, and the draw-in groove has been seted up to the position of corresponding the through-hole on the mount pad, is formed with the spacing boss that is used for compressing tightly the cable in the draw-in groove, is provided with the seal assembly who is used for sealing the fixed part inner chamber between mount pad and the through-hole. The utility model relates to a waterproof construction of power cord supports tightly and makes the outer deformation of outer emergence of power cord through spacing boss in the draw-in groove with the power cord to firmly install the power cord to arrange in inserting, and can fill the clearance between power cord and the through-hole pore wall and block up and realize the seal to the casing inner chamber through seal assembly, need not to set up sealing members such as cap in the outside of casing simultaneously, structural design is simple, easy dismounting does benefit to the later stage to arrange and inserts line maintenance.

Description

Waterproof construction of power cord

Technical Field

The utility model relates to the technical field of socket waterproofing, in particular to a waterproof structure of a power line.

Background

The row of plug fingers is a movable multi-position socket with a power line and a plug, and is generally used for the condition that power is communicated or a plurality of sockets are needed to be used in a centralized way. In order to avoid short circuit or electric leakage caused by liquid and the like entering the socket through the cable connecting hole, and simultaneously in order to prevent electric shock accidents and improve the use safety of the socket, a waterproof structure is required to be arranged in the socket.

The applicant obtains the following prior art through (row plug) AND cl (waterproof) OR cl (waterproof socket) OR desc (short-circuit protection) ", AND concretely, the patent of publication No. CN209374771U discloses a waterproof structure AND row plug, wherein the waterproof structure comprises a shell with an opening at the rear end AND a shell cover plate for plugging the opening at the rear end of the shell, an annular sealing groove is formed in the end face of the peripheral side wall of the shell, an annular sealing ring is arranged in the annular sealing groove, an annular protruding strip which is inserted AND assembled with the annular sealing groove is extended from the inner side end face of the shell cover plate, a wire harness perforation through which a power wire passes is formed in the left side wall of the shell, a hollow threaded column is extended from the left side wall of the shell correspondingly to the wire harness perforation, a column cap is mounted on the hollow threaded column in a threaded fit manner, a column cap through hole through which the power wire passes is formed in the center of the left end face of the column cap, AND a sealing ring for covering the power wire is mounted in the column cap through hole. The waterproof socket is reasonable in structural arrangement, can effectively ensure the sealing performance of the connection of the shell and the shell cover plate, and effectively improves the waterproof effect of the corresponding socket; the internal connecting contact strips are distributed neatly and do not interfere with each other, so that the assembly and the manufacture are convenient.

From the above patent, it can be seen that this waterproof construction and a row insert can ensure the sealing performance that casing and cap board are connected, improves the waterproof effect of row of inserting, but because install the column cap on the casing to seal the junction of power cord on the casing through the sealed ring in the column cap, thereby make complicated and dismouting step loaded down with trivial details, be inconvenient for carrying out the dismouting maintenance of later stage to row's insert, and the power cord compresses tightly to row's insert in through the arc clamp plate, the power cord is easy not hard up after long-time use.

Disclosure of Invention

The utility model mainly aims to provide a waterproof structure of a power line, and aims to solve the problems that the waterproof structure of the existing power strip is complex, the disassembly and assembly steps are complex, the later disassembly and maintenance of the power strip are inconvenient, the power line and the power strip are not firmly installed, and the power line is easy to loosen after long-time use.

In order to achieve the above purpose, the utility model provides a waterproof structure of a power line, which is arranged between the power line and a fixing part and is used for blocking and sealing a gap between the power line and the fixing part, wherein a through hole is formed in the fixing part, a mounting seat is arranged in the fixing part, a clamping groove is formed in the mounting seat at a position corresponding to the through hole, a limiting boss for pressing a cable is formed in the clamping groove, and a sealing assembly for sealing an inner cavity of the fixing part is arranged between the mounting seat and the through hole.

Preferably, the sealing assembly comprises a flexible sealing sleeve for a cable to pass through and a sealing ring sleeved on the flexible sealing sleeve, one end of the flexible sealing sleeve passes through the through hole and is in butt joint with the mounting seat, the other end of the flexible sealing sleeve extends out of the fixing part and extends along a direction away from the mounting seat, an annular flange for being in butt joint with the cavity wall of the inner cavity of the fixing part is formed on the outer wall of the flexible sealing sleeve, the sealing ring is located between the annular flange and the mounting seat, and two sides of the sealing ring are respectively in butt joint with the annular flange and the mounting seat.

Preferably, a plurality of first annular protrusions for clamping the cable are formed on the inner wall of the flexible sealing sleeve, and a second annular protrusion is formed on one side, which is used for being abutted against the cavity wall of the inner cavity of the fixing part, of the annular flange.

Preferably, the sealing ring is provided with a groove for accommodating the annular flange, and one side, close to the mounting seat, of the annular flange is abutted to the bottom of the groove.

Preferably, the outer diameter of the flexible sealing boot is greater than the inner diameter of the sealing ring.

Preferably, a third annular projection is formed on a side of the annular flange facing the through hole, and the third annular projection is disposed close to an orifice of the through hole.

Preferably, the fixing part is detachably connected with a cover plate, the cover plate is provided with a mounting groove along the circumferential direction for being in plug-in fit with the fixing part, and a sealing ring is arranged in the mounting groove.

The beneficial effects are that:

1. in the waterproof structure of the power line, the fixing part is the shell of the power line, the upper end of the shell is provided with the through hole, the position, close to the through hole, in the shell is provided with the mounting seat, the mounting seat can be mounted in a threaded connection mode, the position, corresponding to the through hole, on the mounting seat is provided with the clamping groove, the clamping groove is internally provided with the limiting boss used for pressing the power line, and the outer layer of the power line in the prior art is usually made of rubber or silica gel.

2. When the power line is installed into the clamping groove through the through hole, a gap exists between the power line and the wall of the through hole, in the waterproof structure of the power line, the sealing component is arranged between the installation seat and the through hole, and after the installation seat is installed into the shell through the screw, the installation seat can limit the sealing component in the left-right direction and tightly support the sealing component between the installation seat and the through hole, so that the gap between the power line and the wall of the through hole can be filled and blocked, the sealing of the inner cavity of the shell is realized, and meanwhile, sealing elements such as a column cap and the like are not required to be additionally arranged outside the shell.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is an exploded view of a waterproof structure of a power cord according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of a waterproof structure of a power cord according to an embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

figure 4 is a front view of a flexible sealing boot in a waterproof construction for a power cord in accordance with an embodiment of the present utility model;

fig. 5 is a cross-sectional view at B-B in fig. 4.

In the figure: 100-a waterproof structure of a power line; 1-a housing; 2-through holes; 3-mounting seats; 4-clamping grooves; 5-limiting bosses; 6-a flexible sealing sleeve; 7-a sealing ring; 8-an annular flange; 9-a first annular protrusion; 10-a second annular protrusion; 11-grooves; 12-cover plate; 13-mounting slots.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, if the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship that a product of the application conventionally puts in use, it is merely for convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like in the description of the present application, if any, are used for distinguishing between the descriptions and not necessarily for indicating or implying a relative importance.

Furthermore, the terms "horizontal," "vertical," and the like in the description of the present application, if any, do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Example 1:

the utility model provides a waterproof structure 100 of a power line.

In an embodiment of the present utility model, a waterproof structure 100 of a power cord is disposed between the power cord and a fixing portion and is used for blocking and sealing a gap between the power cord and the fixing portion, a through hole 2 is formed in a housing 1, a mounting seat 3 is disposed in the housing 1, a clamping groove 4 is formed in the mounting seat 3 at a position corresponding to the through hole 2, a limiting boss 5 for pressing a cable is formed in the clamping groove 4, and a sealing component for sealing an inner cavity of the housing 1 is disposed between the mounting seat 3 and the through hole 2.

Specifically, as shown in fig. 1, in a waterproof structure 100 of a power cord according to the present utility model, a manner of a socket is provided, a fixing portion is a casing 1 of the socket, a through hole 2 is formed at an upper end of the casing 1, a mounting seat 3 is disposed in a position close to the through hole 2 in the casing 1, the mounting seat 3 can be mounted in a threaded connection manner, a clamping groove 4 is formed in a position corresponding to the through hole 2 on the mounting seat 3, and a limit boss 5 for pressing the power cord is formed in the clamping groove 4.

It can be understood that, when the power line is installed in the clamping groove 4 through the through hole 2, a gap exists between the power line and the wall of the through hole 2, and in the waterproof structure 100 of the power line, a sealing component is arranged between the installation seat 3 and the through hole 2, and after the installation seat 3 is installed in the shell 1 through a screw, the installation seat 3 can limit the sealing component in the left-right direction and tightly support the sealing component between the installation seat 3 and the through hole 2, so that the gap between the power line and the wall of the through hole 2 can be filled and blocked, the inner cavity of the shell 1 is sealed, and meanwhile, sealing elements such as a column cap and the like are not required to be additionally arranged outside the shell 1.

Compared with the prior art, this realize novel waterproof construction 100 of power cord supports tightly and makes the outer deformation of power cord through spacing boss 5 in draw-in groove 4 with the power cord to firmly install the power cord to row insert in, and can fill the clearance between power cord and the through-hole 2 pore wall and block up and realize the seal to casing 1 inner chamber through seal assembly, need not at the outside sealing member such as cap that sets up of casing 1 simultaneously, structural design is simple, easy dismounting does benefit to the later stage to row and inserts line maintenance.

In an embodiment, the seal assembly includes a flexible sealing sleeve 6 for the cable to pass through and a sealing ring 7 sleeved on the flexible sealing sleeve 6, one end of the flexible sealing sleeve 6 passes through the through hole 2 and is in butt joint with the mounting seat 3, the other end of the flexible sealing sleeve 6 extends out of the shell 1 and extends along the direction away from the mounting seat 3, an annular flange 8 for being in butt joint with the cavity wall of the inner cavity of the shell 1 is formed on the outer wall of the flexible sealing sleeve 6, the sealing ring 7 is located between the annular flange 8 and the mounting seat 3, and two sides of the sealing ring 7 are respectively in butt joint with the annular flange 8 and the mounting seat 3.

Specifically, as shown in fig. 1, 4 and 5, in the waterproof structure 100 of the power cord of the present utility model, the power cord extends from the right end of the flexible sealing sleeve 6 to the inner cavity of the casing 1, and the left end of the flexible sleeve passes through the through hole 2 and abuts against the mounting seat 3, and the right end of the flexible sleeve extends out of the casing 1 and extends rightward for a certain distance due to the condition that the power cord is wound or twisted in the use process of the power strip, so that the power cord can be protected during twisting, the damage or fatigue fracture of the outer layer of the power cord at the through hole 2 is prevented after repeated twisting, and the service life of the power cord is prolonged.

Further, an annular flange 8 is formed on the outer wall of the flexible sealing sleeve 6 close to the left end, and the annular flange 8 is abutted with the cavity wall of the inner cavity of the shell 1, so that the flexible sealing sleeve 6 can be effectively prevented from falling off from the shell 1. It can be understood that the sealing ring 7 is located between the annular flange 8 and the mounting seat 3, and the left and right sides of the sealing ring 7 respectively abuts against the mounting seat 3 and the annular flange 8, after the mounting seat 3 is mounted in the shell 1 through screws, the mounting seat 3 can limit the sealing ring 7 and the flexible sealing sleeve 6 in the left and right directions, and at the moment, the annular flange 8 abuts against the cavity wall of the inner cavity of the shell 1 under the action of the sealing ring 7 and the mounting seat 3 and deforms, so that the through hole 2 can be shielded and sealed, and the structure design is compact and reasonable.

In one embodiment, as shown in fig. 1 and 5, a plurality of first annular protrusions 9 for clamping the cable are formed on the inner wall of the flexible sealing sleeve 6, and a second annular protrusion 10 is formed on the side of the annular flange 8 for abutting against the cavity wall of the inner cavity of the housing 1. It will be appreciated that, since the inner wall of the flexible sealing sleeve 6 is formed with the plurality of first annular protrusions 9 for clamping the cable, not only is the power cord more tightly sleeved with the flexible sealing sleeve 6, but also the tightness of the inner cavity of the housing 1 is improved. Similarly, when the mounting seat 3 abuts against the sealing ring 7 and the flexible sealing sleeve 6 to limit, the second annular protrusion 10 deforms and compresses under the action of the mounting seat 3 and abuts against the cavity wall of the inner cavity of the shell 1 under the elastic restoring force of the second annular protrusion, so that the tightness of the inner cavity of the shell 1 is further improved.

In one embodiment, the sealing ring 7 is provided with a groove 11 for accommodating the annular flange 8, and one side, close to the mounting seat 3, of the annular flange 8 is abutted with the bottom of the groove 11. Specifically, as shown in fig. 1, 3 and 4, a groove 11 for accommodating the annular flange 8 is formed on the right side of the sealing ring 7, and the left side of the annular flange 8 is abutted with the bottom of the groove 11, so that the overall structure is more compact, and the side wall of the annular flange 8 expands in the direction away from the center line of the flexible sealing sleeve 6 and is abutted with the side groove wall of the groove 11 during compression deformation, so that the sealing effect of the flexible sealing sleeve 6 on the inner cavity of the shell 1 is greatly improved.

In one embodiment, the outer diameter of the flexible sealing sleeve 6 is larger than the inner diameter of the sealing ring 7. It can be appreciated that the outer diameter of the flexible sealing sleeve 6 is larger than the inner diameter of the sealing ring 7, so that the flexible sealing sleeve 6 is more compactly matched with the sealing ring 7 in a sleeved mode, and the tightness of the inner cavity of the shell 1 is improved.

In another embodiment, the side of the annular flange 8 facing the through hole 2 is formed with a third annular projection, and the third annular projection is arranged close to the orifice of the through hole 2. As can be appreciated, the third annular protrusion is formed on the right side of the annular flange 8, and is disposed close to the orifice of the through hole 2, so that the third annular protrusion can deform under the action of the mounting seat 3, and simultaneously fill up the gap between the flexible sleeve and the wall of the through hole 2 and the gap between the annular flange 8 and the cavity wall of the cavity of the shell 1, so that the structural design is compact, and the dual sealing effect can be achieved on the cavity of the shell 1 by mutually matching the second annular protrusion 10 between the annular flange 8 and the cavity wall of the cavity of the shell 1.

In an embodiment, the casing 1 is detachably connected with a cover plate 12, the cover plate 12 is provided with a mounting groove 13 along the circumferential direction for being in plug-in fit with the casing 1, and a sealing ring is arranged in the mounting groove 13. Specifically, as shown in fig. 1, the cover plate 12 is detachably connected with the housing 1 by means of a threaded connection, so that maintenance of the power supply line in the housing 1 is facilitated. Further, the top surface of the cover plate 12 is provided with a mounting groove 13 which is in plug-in fit with the shell 1 along the circumferential direction of the cover plate, a sealing ring is arranged in the mounting groove 13, the sealing ring is made of flexible materials, such as rubber or silica gel, after the cover plate 12 is connected with the shell 1, the outer wall of the shell 1 stretches into the mounting groove 13 to be abutted against the sealing ring, and the sealing ring is deformed, so that the sealing effect on the inner cavity of the shell 1 is further improved.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a waterproof construction of power cord, sets up between power cord and fixed part and be used for blockking up and sealed power cord with gap between the fixed part, through-hole (2) have been seted up on the fixed part, its characterized in that, be provided with mount pad (3) in the fixed part, draw-in groove (4) have been seted up to the position of corresponding on mount pad (3) through-hole (2), be formed with spacing boss (5) that are used for compressing tightly the cable in draw-in groove (4), mount pad (3) with be provided with between through-hole (2) be used for sealing the seal assembly of fixed part inner chamber.

2. The waterproof structure of a power cord according to claim 1, characterized in that the sealing assembly comprises a flexible sealing sleeve (6) for a cable to pass through and a sealing ring (7) sleeved on the flexible sealing sleeve (6), one end of the flexible sealing sleeve (6) passes through the through hole (2) and is in butt joint with the mounting seat (3), the other end of the flexible sealing sleeve (6) extends out of the fixing part and extends in a direction away from the mounting seat (3), an annular flange (8) for butt joint with the cavity wall of the inner cavity of the fixing part is formed on the outer wall of the flexible sealing sleeve (6), the sealing ring (7) is located between the annular flange (8) and the mounting seat (3), and two sides of the sealing ring (7) are respectively in butt joint with the annular flange (8) and the mounting seat (3).

3. A waterproof structure of a power cord according to claim 2, characterized in that the inner wall of the flexible sealing sleeve (6) is formed with a plurality of first annular protrusions (9) for clamping the cable, and the side of the annular flange (8) for abutting against the cavity wall of the inner cavity of the fixing part is formed with a second annular protrusion (10).

4. A waterproof structure of a power cord according to claim 3, characterized in that the sealing ring (7) is provided with a groove (11) for accommodating the annular flange (8), and one side of the annular flange (8) close to the mounting seat (3) is abutted against the bottom of the groove (11).

5. A waterproof structure of a power cord according to claim 4, characterized in that the outer diameter of the flexible sealing sleeve (6) is larger than the inner diameter of the sealing ring (7).

6. A waterproof structure of a power cord according to claim 2, characterized in that the side of the annular flange (8) facing the through-hole (2) is formed with a third annular projection, and that the third annular projection is arranged close to the orifice of the through-hole (2).

7. The waterproof structure of a power cord according to any one of claims 1 to 6, characterized in that the fixing portion is detachably connected with a cover plate (12), the cover plate (12) is provided with a mounting groove (13) along the circumferential direction thereof for being in plug-in fit with the fixing portion, and a sealing ring is arranged in the mounting groove (13).