CN214755467U - Durable watertight junction box device for cable - Google Patents

Abstract

The utility model provides a durable watertight junction box device for cables, which comprises a main body component, a first connecting component and a second connecting component, wherein the main body component comprises a base, a circular shell, a top cover and a first screw; the first connecting component is arranged on the outer side wall of the main body component; the second connecting assembly is arranged inside the main body assembly and comprises an insulating plate, a first wiring terminal, a second screw and a third screw; from structural, the utility model discloses a circular tubbiness structural style compares with current watertight terminal box, and it is big to have compressive strength, advantages such as the atress is even, non-deformable, the utility model discloses inside binding post form of adopting can improve cable junction's reliability, reduces the fault point, reduces the probability that the trouble takes place, can reduce current loss and signal attenuation simultaneously.

Description

Durable watertight junction box device for cable

Technical Field

The utility model relates to a cable watertight terminal box technical field, in particular to durability cable watertight terminal box device.

Background

The cable watertight junction box has the effect that cables working in a deep sea environment for a long time are reliably connected through the sealing effect and the pressure bearing capacity of the cable watertight junction box, so that the cable wiring end in the watertight junction box is not influenced by the working condition of the deep sea. Most of the existing cable watertight junction boxes adopt a square or rectangular structural form, cables are connected in an electric connector form, and the cable watertight junction boxes are sealed in an end cover sealing form. The form of the watertight junction box with the existing cable has the following disadvantages:

1. the cable watertight junction box adopts a square or rectangular structural form, and stress concentration points are easily generated due to uneven stress of the structure under the state of bearing water pressure, so that the sealing effect of the cable watertight junction box is invalid;

2. the electric connector is connected in a plugging and pulling mode, the cable and the connector are connected in a welding mode, and for a large-current or large-power cable, the welding connection mode is adopted, so that the welding strength is low, the cable core is easily damaged in the welding flux melting process, and the electric conductivity and the core strength of the cable are influenced;

3. the sealing form in the prior art adopts an end face sealing form and a flange connection mode to ensure that the sealing end faces are tightly attached, and the flange connection structural form is adopted, so that the size and the weight of the junction box are increased, and the requirement on the processing and forming of a product is higher;

4. the existing watertight junction box for cables is basically in a glue pouring mode after the completion of cable connection for ensuring the internal sealing performance and the insulating performance, the inside of the junction box is wholly filled and sealed, and when the cables are maintained or replaced, the entire junction box needs to be replaced, cannot be maintained and lacks maintainability, so that the watertight junction box device for cables with durability is provided.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a durable watertight cable connection box device to solve or alleviate the technical problems in the prior art, and to provide at least one useful choice.

The embodiment of the utility model provides a technical scheme is so realized: a durable watertight junction box device for cables comprises a main body component, a first connecting component and a second connecting component,

the main body component comprises a base, a circular shell, a top cover and a first screw;

the first connecting assembly is arranged on the outer side wall of the main body assembly and comprises a first pipe body, a second pipe body, a compression nut and a through hole;

second coupling assembling install in main part component's inside, second coupling assembling includes insulation board, first terminal, second terminal, first binding post, second screw and third screw, the inboard diapire of base has the insulation board through two third screw threaded connection, there are two second terminals and two first terminals at the top of insulation board through four second screw symmetry threaded connection respectively, second binding post is installed at the top of first terminal, first binding post is installed at the top of second terminal.

In some embodiments, a circular shell is welded on the top of the base, and a top cover is connected to the top of the circular shell through eight first screw threads.

In some embodiments, three through holes are symmetrically formed in the outer side wall of the circular shell, three first pipe bodies are symmetrically welded to the outer side wall of the circular shell, which is located outside the through holes, and the inner side wall of each first pipe body is slidably connected with a second pipe body and a compression nut; through gland nut's setting, can maintain or change round housing after demolising gland nut, improve round housing's maintainability, reduced the maintenance degree of difficulty, through gland nut, second body and through-hole's setting for the cable is convenient for enter into round housing's inside.

In some embodiments, two first grooves are formed in the outer side wall of the top cover, a first radial seal ring is clamped inside the first grooves, three fifth grooves are symmetrically formed in the outer side wall of the circular shell, and one ends of the three first pipe bodies penetrate through the three fifth grooves respectively; through the setting of two first recesses, be convenient for deposit first radial seal circle, through the setting of two first radial seal circles, can set up twice waterproof barrier for inseparabler between top cap and the circular casing, through the setting of fifth recess, make more firm between first body and the circular casing.

In some embodiments, four third grooves are symmetrically formed in the bottom of the insulating plate, and the four second screws are respectively located inside the four third grooves; through the arrangement of the third groove, the second screw can be hidden in the third groove, so that the space occupation of the second screw is reduced, and meanwhile, the bottom of the insulating plate is flat.

In some embodiments, two sixth grooves are symmetrically formed in the top of the insulating plate, and the two third screws are respectively located inside the two sixth grooves.

In some embodiments, two fourth grooves are symmetrically formed in the outer side wall of the second pipe body, a second radial sealing ring is clamped inside each fourth groove, and a rubber sleeve is sleeved on the outer side wall of each compression nut.

In some embodiments, eight second grooves are symmetrically formed in the top of the top cover, and the eight first screws are respectively located inside the eight second grooves.

The embodiment of the utility model provides a owing to adopt above technical scheme, it has following advantage:

firstly, structurally, the utility model adopts a round barrel-shaped structure form, and compared with the existing watertight junction box, the utility model has the advantages of large compressive strength, uniform stress, difficult deformation and the like;

the inside of the utility model adopts a wiring terminal form, which can improve the reliability of cable connection, reduce fault points, reduce the probability of fault occurrence and simultaneously reduce current loss and signal attenuation;

thirdly, double radial sealing rings are adopted at each interface part, so that the sealing performance and the sealing reliability of the circular shell are improved;

and fourthly, enough maintenance space is reserved inside the circular shell, the mode of the whole glue filling inside the existing cable watertight junction box is changed, and the maintainability is realized.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present invention will be readily apparent by reference to the drawings and following detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments or technical descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a top view of the structure of the present invention;

FIG. 3 is a top view of the base of the present invention;

FIG. 4 is a bottom view of the top cover of the present invention;

FIG. 5 is a side view of the second tube of the present invention;

fig. 6 is a top view structural diagram of the insulating plate of the present invention.

Reference numerals: 1. a first groove; 2. a first radial seal ring; 3. a second groove; 4. a third groove; 5. a fourth groove; 6. a second radial seal ring; 7. a fifth groove; 8. a rubber sleeve; 9. a sixth groove; 10. a body assembly; 11. a base; 12. a circular housing; 13. a top cover; 14. a first screw; 20. a first connection assembly; 21. a first pipe body; 22. a second tube body; 23. a compression nut; 24. a through hole; 30. a second connection assembly; 31. an insulating plate; 32. a first terminal post; 33. a second terminal; 34. a first connection terminal; 35. a second connection terminal; 36. a second screw; 37. and a third screw.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and 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.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

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; the connection can be mechanical connection, electrical connection or communication; 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.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 6, the present invention provides a durable watertight junction box device for cables, which includes a main body assembly 10, a first connection assembly 20 and a second connection assembly 30,

the main body assembly 10 comprises a base 11, a circular shell 12, a top cover 13 and a first screw 14;

the first connection assembly 20 is mounted on the outer side wall of the main body assembly 10, and the first connection assembly 20 includes a first tube 21, a second tube 22, a compression nut 23 and a through hole 24;

second coupling assembling 30 installs in the inside of main part subassembly 10, second coupling assembling 30 includes insulation board 31, first binding post 32, second binding post 33, first binding post 34, second binding post 35, second screw 36 and third screw 37, the inboard diapire of base 11 has insulation board 31 through two third screw 37 threaded connection, there are two second binding posts 33 and two first binding posts 32 at the top of insulation board 31 through four second screws 36 symmetry threaded connection respectively, second binding post 35 is installed at the top of first binding post 32, first binding post 34 is installed at the top of second binding post 33.

In one embodiment, a circular shell 12 is welded on the top of the base 11, and a top cover 13 is screwed on the top of the circular shell 12 through eight first screws 14; the base 11 has a supporting function for the circular shell 12, and the top cover 13 and the circular shell 12 are fixedly connected through the arrangement of the first screw 14.

In one embodiment, three through holes 24 are symmetrically formed in the outer side wall of the circular shell 12, three first tubes 21 are symmetrically welded to the outer side wall of the circular shell 12 located outside the through holes 24, and the inner side wall of each first tube 21 is slidably connected with a second tube 22 and a compression nut 23; through the setting of gland nut 23, can maintain or change circular housing 12 after dismantling gland nut 23, improve the maintainability of circular housing 12, reduced the maintenance degree of difficulty, through the setting of gland nut 23, second body 22 and through-hole 24 for the cable is convenient for enter into the inside of circular housing 12.

In one embodiment, the outer side wall of the top cover 13 is provided with two first grooves 1, the first radial sealing ring 2 is clamped inside the first grooves 1, the outer side wall of the circular shell 12 is symmetrically provided with three fifth grooves 7, and one ends of the three first pipe bodies 21 penetrate through the three fifth grooves 7 respectively; through the setting of two first recesses 1, be convenient for deposit first radial seal circle 2, through the setting of two first radial seal circle 2, can set up twice waterproof barrier for it is inseparabler between top cap 13 and the circular casing 12, through the setting of fifth recess 7, make more firm between first body 21 and the circular casing 12.

In one embodiment, four third grooves 4 are symmetrically formed in the bottom of the insulating plate 31, and four second screws 36 are respectively located inside the four third grooves 4; through the arrangement of the third groove 4, the second screw 36 can be hidden inside the third groove 4, so that the space occupation of the second screw 36 is reduced, and meanwhile, the bottom of the insulating plate 31 is flat.

In one embodiment, two sixth grooves 9 are symmetrically formed in the top of the insulating plate 31, and the two third screws 37 are respectively located inside the two sixth grooves 9; through the arrangement of the sixth groove 9, the third screw 37 can be hidden inside the sixth groove 9, so that the space occupation of the third screw 37 is reduced.

In one embodiment, two fourth grooves 5 are symmetrically formed in the outer side wall of the second tube 22, a second radial seal ring 6 is clamped inside each fourth groove 5, and a rubber sleeve 8 is sleeved on the outer side wall of the gland nut 23; through the setting of two fourth recesses 5, be convenient for deposit second radial seal 6, through the setting of two second radial seal 6, can set up twice waterproof barrier for it is inseparabler between second body 22 and the first body 21.

In one embodiment, eight second grooves 3 are symmetrically formed in the top of the top cover 13, and eight first screws 14 are respectively located inside the eight second grooves 3; through the arrangement of the second groove 3, the first screw 14 can be hidden inside the second groove 3, so that the space occupation of the first screw 14 is reduced.

The utility model also provides a durability cable watertight junction box device's application method, including following step:

s1, respectively penetrating the cable through the compression nut 23, the second tube body 22 and the through hole 24, so that one end of the cable enters the inside of the circular shell 12;

s2, sequentially pushing the second pipe body 22 and the compression nut 23 into the first pipe body 21;

s3, connecting the cable connector, fixing the cable connector on the top of the second binding post 33 by using the first binding post 34, and fixing the cable connector on the top of the first binding post 32 by using the second binding post 35;

s4, the top cover 13 is connected to the circular housing 12 by the first screws 14.

In one embodiment, in S2, a vulcanizing material is added between the outer sidewall of the cable and the second tube 22; by the use of a vulcanising material, a radial sealing surface can be formed, which results in a tighter seal between the outer side wall of the cable and the second tube 22.

The utility model discloses at the during operation, structurally, the utility model discloses a circular tubbiness structural style, compare with current watertight terminal box, it is big to have compressive strength, the atress is even, advantages such as non-deformable, setting through first binding post 34 and second binding post 35, be used for connecting cable, can improve cable connection's reliability, reduce the fault point, reduce the probability that the trouble takes place, can reduce current loss and signal attenuation simultaneously, each interface site adopts two-way radial seal circle, improve the sealing performance and the sealing reliability of circular housing 12, circular housing 12 is inside to reserve sufficient maintenance space, change the inside whole encapsulating mode of current watertight terminal box, maintainability has.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various changes or substitutions within the technical scope of the present invention, which should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (8)

1. A durable watertight cable junction box device comprising a main body member (10), a first connection member (20) and a second connection member (30), characterized in that:

the main body component (10) comprises a base (11), a circular shell (12), a top cover (13) and a first screw (14);

the first connecting assembly (20) is mounted on the outer side wall of the main body assembly (10), and the first connecting assembly (20) comprises a first pipe body (21), a second pipe body (22), a compression nut (23) and a through hole (24);

second coupling assembling (30) install in the inside of main part subassembly (10), second coupling assembling (30) are including insulation board (31), first terminal (32), second terminal (33), first terminal (34), second terminal (35), second screw (36) and third screw (37), the inboard diapire of base (11) has insulation board (31) through two third screw (37) threaded connection, there are two second terminals (33) and two first terminal (32) at the top of insulation board (31) through four second screw (36) symmetry threaded connection respectively, second terminal (35) are installed at the top of first terminal (32), first terminal (34) are installed at the top of second terminal (33).

2. A durable watertight cable junction box arrangement according to claim 1, wherein: the top welding of base (11) has circular casing (12), there is top cap (13) at the top of circular casing (12) through eight first screw (14) threaded connection.

3. A durable watertight cable junction box arrangement according to claim 1, wherein: three through-holes (24) have been seted up to the lateral wall symmetry of circular casing (12), circular casing (12) are located the outside lateral wall symmetry welding of through-hole (24) has three first body (21), the inside wall of first body (21) sliding connection has second body (22) and gland nut (23) respectively.

4. A durable watertight cable junction box arrangement according to claim 1, wherein: two first grooves (1) have been seted up to the lateral wall of top cap (13), the inside joint of first groove (1) has first radial seal circle (2), three fifth recess (7) have been seted up to the lateral wall symmetry of circular housing (12), and is three the one end of first body (21) runs through three respectively the inside of fifth recess (7).

5. A durable watertight cable junction box arrangement according to claim 1, wherein: four third grooves (4) are symmetrically formed in the bottom of the insulating plate (31), and the four second screws (36) are respectively located inside the four third grooves (4).

6. A durable watertight cable junction box arrangement according to claim 1, wherein: two sixth grooves (9) are symmetrically formed in the top of the insulating plate (31), and the two third screws (37) are respectively located in the two sixth grooves (9).

7. A durable watertight cable junction box arrangement according to claim 1, wherein: two fourth grooves (5) have been seted up to the lateral wall symmetry of second body (22), the inside joint of fourth groove (5) has second radial seal circle (6), the lateral wall cover of gland nut (23) is equipped with rubber sleeve (8).

8. A durable watertight cable junction box arrangement according to claim 1, wherein: eight second grooves (3) are symmetrically formed in the top of the top cover (13), and the eight first screws (14) are respectively located in the eight second grooves (3).

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