CN214099930U - Waterproof structure for cable - Google Patents

Abstract

The utility model discloses a waterproof structure used on a cable, which comprises a first part and a second part in threaded connection with the first part; the first part is internally provided with an accommodating cavity, the second part is provided with a bulge, and the second part is internally provided with a wire harness hole; the wire harness hole is extruded through the threaded connection of the first part and the second part, so that the inner diameter of the wire harness hole is continuously reduced, and then the wire in the wire harness hole is extruded, so that the contact surface between the wire harness hole and the wire harness hole is continuously reduced, and the waterproof function of the device is realized; because the threaded connection of first portion and second portion, and then the extrusion is protruding so that the arch fills the arch and holds the clearance between the chamber, so realize waterproof function, hold the in-process in chamber when the arch is filling, can reduce the internal diameter in pencil hole again for the arch extrudees the wire that is located the pencil hole again, so that the clearance between the two is filled, realizes the device's further waterproof, consequently the utility model discloses be worth promoting and applying.

Description

Waterproof structure for cable

Technical Field

The utility model relates to a waterproof technical field of cable specifically is a waterproof construction for on cable.

Background

Control cabinets in some pump rooms are often attacked by moisture, so that the joints of cables are often corroded; meanwhile, the control cabinet is used as a control center and is often required to be opened, so that the cables in the control cabinet are fixed, and the fixing is particularly important.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a waterproof construction for on cable to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a waterproof structure for a cable comprises a first part, a second part matched with the first part in a threaded mode; an accommodating cavity and an internal threaded hole communicated with the inside of the accommodating cavity are formed in the first part; the second part comprises an external thread column in threaded fit with the internal thread hole, and also comprises a bulge matched with the accommodating cavity, the bulge is made of rubber materials, and a wire harness hole completely penetrating through the bulge and the external thread column is arranged in the bulge; the bulge is filled in the accommodating cavity through the threaded connection of the external threaded column and the internal threaded hole; the wire harness hole is internally connected with a first wire and a second wire, and when the bulge fills the accommodating cavity, the inner diameter of the wire harness hole is continuously reduced.

As the utility model discloses a preferred technical scheme: the one end that holds the chamber and keep away from the internal thread hole is circular-arc, just the arch is kept away from the one end of external screw thread post is circular-arc equally.

As the utility model discloses a preferred technical scheme: one end of the accommodating cavity, which is far away from the internal threaded hole, is also provided with a copper sheet; wherein, the copper sheet is also in a circular arc shape.

As the utility model discloses a preferred technical scheme: the first part is also provided with a fixing hole for fixing the first part in the cabinet, and the cross section of the fixing hole is oval.

As the utility model discloses a preferred technical scheme: the external thread post with bellied junction still is equipped with the cross section and is circular shape sealing washer, just the sealing washer with bellied material is the same, and make as an organic whole.

As the utility model discloses a preferred technical scheme: one end of the external threaded column, which is far away from the sealing ring, is also provided with a hexagonal prism which is convenient for installing the external threaded column into the internal threaded hole; wherein the wire harness hole also penetrates through the hexagonal prism.

Adopt above-mentioned technical scheme, the beneficial effects of the utility model are that: 1. the wire harness hole is extruded through the threaded connection of the first part and the second part, so that the inner diameter of the wire harness hole is continuously reduced, and then the wire in the wire harness hole is extruded, so that the contact surface between the wire harness hole and the wire harness hole is continuously reduced, and the waterproof function of the device is realized;

2. the first part is connected with the second part through the threads, so that the bulge is extruded to fill the gap between the bulge and the accommodating cavity, the waterproof function is realized, when the bulge fills the accommodating cavity, the inner diameter of the wire harness hole can be reduced, the bulge extrudes the wires in the wire harness hole, the gap between the bulge and the wire harness hole is filled, and the device is further waterproof;

3. because the protrusion extrudes the two wires in the deformation process, the connection between the wires and the wire harness hole is firmer and more reliable, and the problem that the wire joint falls off is easily solved.

Drawings

Fig. 1 is a schematic exploded view of the present invention;

fig. 2 is an exploded view of the lead after installation.

In the figure: 1. a first portion; 2. a protrusion; 3. a seal ring; 4. a harness hole; 5. a hexagonal prism; 6. an externally threaded post; 7. an internally threaded bore; 8. an accommodating chamber; 9. a copper sheet; 10. a fixing hole; 11. a first conductive line; 12. a second conductive line; 13. a second portion.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "upper surface", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically connected, electrically connected or can communicate with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides an embodiment: a waterproof structure for a cable comprises a first part 1, a second part 13 which is matched with the first part 1 in a threaded mode; the two parts are connected by the screw thread, so that the connection is convenient and firm, and the processing of the two parts is simple and convenient;

an accommodating cavity 8 and an internal threaded hole 7 communicated with the inside of the accommodating cavity 8 are formed in the first part 1; the second part 13 comprises an external threaded column 6 which is in threaded fit with the internal threaded hole 7, and the bulge 2 is filled in the accommodating cavity 8 through threaded connection of the external threaded column 6 and the internal threaded hole 7; the second part 13 further comprises a bulge 2 which is adaptive to the accommodating cavity 8, the bulge 2 is made of rubber materials, and a wiring harness hole 4 which completely penetrates through the bulge 2 and the external threaded column 6 is formed in the bulge 2; the first lead 11 and the second lead 12 are connected in the wire harness hole 4, and when the bulge 2 fills the accommodating cavity 8, the inner diameter of the wire harness hole 4 is continuously reduced.

Due to the threaded connection of the first part 1 and the second part 13, the wire harness hole 4 is extruded, so that the inner diameter of the wire harness hole 4 is continuously reduced, and then the first lead 11 and the second lead 12 in the wire harness hole 4 are extruded, so that the contact surface between the first lead 11 and the second lead 12 is continuously reduced, and the waterproof function of the device is realized;

due to the fact that the first portion 1 is in threaded connection with the second portion 13, the protrusion 2 is further extruded to enable the protrusion 2 to fill a gap between the protrusion 2 and the accommodating cavity 8, and therefore the waterproof function is achieved, when the protrusion 2 fills the accommodating cavity 8, the inner diameter of the wire harness hole 4 can be reduced, the protrusion 2 further extrudes two wires located in the wire harness hole 4, the gap between the two wires is filled, and further waterproof of the device is achieved;

the two wires are extruded by the bulge 2 in the deformation process, so that the connection between the wires and the wire harness hole 4 is firmer and more reliable, and the problem that the wire joint falls off is easily solved; meanwhile, the joints of the two wires are located in the accommodating cavity 8, so that the tensile force borne by the first wire 11 and the second wire 12 in the horizontal direction is larger, and the reliability of the connection of the first wire 11 and the second wire 12 can be further improved.

Make protruding 2's top can laminate completely on the top that holds chamber 8 after holding chamber 8 in order to facilitate protruding 2 extrusion, hold chamber 8 and keep away from the one end of internal thread hole 7 is circular-arc, just protruding 2 is kept away from the one end of external screw thread post 6 is circular-arc equally.

The problem that the wire joints are not firm due to the fact that the joints of the first wire 11 and the second wire 12 are loosened in the process of rotating the protrusion 2 is solved; a copper sheet 9 is further arranged at one end of the accommodating cavity 8, which is far away from the internal threaded hole 7; wherein, copper sheet 9 also is circular-arc, owing to adopt copper sheet 9 and the contact of the joint department of first wire 11 and second wire 12, even the joint of two wires appears becoming flexible, because protruding 2 is extruded can also guarantee that the wire connects and contact with copper sheet 9 all the time in holding chamber 8, and then realize switching on of electric current, there is a step face in addition between copper sheet 9 and the 8 inner walls of holding chamber, after protruding 2 is extruded and is out of shape, fill this step face to make the waterproof performance of holding the inside of chamber 8 obtain further promotion.

In order to facilitate the first part 1 to be hung in the control cabinet to realize the arrangement of the wires, the first part 1 is further provided with a fixing hole 10 for fixing the first part 1 in the cabinet, and as the cross section of the fixing hole 10 is oval, the mounting position of the first part 1 can be adjusted correspondingly, and meanwhile, the fixing hole 10 is prevented from cutting off a rope or a binding belt for fixing the first part 1.

In order to further improve the waterproof capacity of the device, the connecting part of the external threaded column 6 and the bulge 2 is also provided with a sealing ring 3 with a circular cross section, and the sealing ring 3 and the bulge 2 are made of the same material and are integrally formed, so that the manufacturing process of the sealing ring 3 is simplified, and particularly, the problem of the sealing performance of the connecting part caused by the movement of the sealing ring 3 is avoided.

In order to facilitate the installation of the second part 13 and the first part 1 and the sufficient deformation of the protrusion 2 in the accommodating cavity 8, the end of the externally threaded column 6, which is far away from the sealing ring 3, is also provided with a hexagonal prism 5 for facilitating the installation of the externally threaded column 6 in the internally threaded hole 7; wherein the wire harness holes 4 also penetrate through the hexagonal prism 5.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims (6)

1. A waterproof construction for use on a cable, characterized in that: comprises a first part (1), a second part (13) which is matched with the first part (1) in a threaded way;

an accommodating cavity (8) and an internal threaded hole (7) communicated with the inside of the accommodating cavity (8) are formed in the first part (1);

the second part (13) comprising an externally threaded stud (6) in threaded engagement with the internally threaded bore (7);

the second part (13) further comprises a bulge (2) matched with the accommodating cavity (8), the bulge (2) is made of rubber materials, and a wire harness hole (4) completely penetrating through the bulge (2) and the external threaded column (6) is formed in the bulge (2);

the bulge (2) is filled in the accommodating cavity (8) through the threaded connection of the external threaded column (6) and the internal threaded hole (7);

the first lead (11) and the second lead (12) are connected in the wire harness hole (4), and when the bulge (2) fills the accommodating cavity (8), the inner diameter of the wire harness hole (4) is continuously reduced.

2. A waterproof structure for a cable according to claim 1, wherein: the one end that holds chamber (8) and keep away from internal thread hole (7) is circular-arc, just protruding (2) keep away from the one end of external screw thread post (6) is circular-arc equally.

3. A waterproof structure for a cable according to claim 1 or 2, wherein: a copper sheet (9) is further arranged at one end, far away from the internal threaded hole (7), of the accommodating cavity (8); wherein, the copper sheet (9) is also in a circular arc shape.

4. A waterproof structure for a cable according to claim 3, wherein: the first part (1) is further provided with a fixing hole (10) used for fixing the first part (1) in the cabinet, and the cross section of the fixing hole (10) is oval.

5. A waterproof structure for cables according to claim 4, wherein: the connecting part of the external threaded column (6) and the bulge (2) is also provided with a sealing ring (3) with a round cross section, and the sealing ring (3) is made of the same material as the bulge (2) and is integrally made.

6. A waterproof structure for cables according to claim 5, wherein: one end, far away from the sealing ring (3), of the external threaded column (6) is further provided with a hexagonal prism (5) which is convenient for mounting the external threaded column (6) into the internal threaded hole (7); wherein the wire harness hole (4) also penetrates through the hexagonal prism (5).

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