CN210326868U - Dampproofing power terminal box - Google Patents

Abstract

The utility model discloses a moisture-proof power supply junction box, which belongs to the field of junction boxes and comprises a bottom shell, wherein the upper end surface of the bottom shell is connected with an outer cover, the inner end surface of the bottom shell is fixedly connected with a wire holder, the wire holder is symmetrically distributed in the bottom shell, the outer wall surface of the bottom shell is provided with a threading convex opening, the threading convex opening is designed into an inner convex opening and an outer convex opening, the outer surface of the inner convex opening of the threading convex opening is fixedly connected with a conical rubber sleeve, the inner end surface of the conical rubber sleeve is provided with a convex nozzle, the upper surface of the center of the bottom shell is fixedly connected with a cylindrical table, the conical rubber sleeve is designed at the threading convex opening, after threading, the conical rubber sleeve has elasticity, the convex nozzle is tied on the surface of an electric wire, good sealing can be carried out, water vapor is not easy to enter, good moisture-proof performance is achieved, the, is convenient for installation and disassembly.

Description

Dampproofing power terminal box

Dampproofing power terminal box

Technical Field

The utility model relates to a terminal box field, more specifically say, relate to a dampproofing power terminal box.

Background

The junction box is one of electrical accessories, the junction box is used as a transition at the joint part of an electric wire (for example, the line is longer, or the electric wire pipe needs to turn), the electric wire pipe is connected with the junction box, and the electric wires in the wire pipe are connected in the junction box to play a role in protecting the electric wire and connecting the electric wire.

Among the current power terminal box, the leakproofness after enclosing cover and drain pan are connected has been very good, but need establish the through wires mouth on the shell and carry out the threading, leaves great gap with the through wires mouth when the electric wire passes, probably can make moist air get into and influence wiring circuit to current power terminal box is generally all through a plurality of screw fixation enclosing covers, generally is four, and is convenient inadequately when installation and split.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide a dampproofing power terminal box through design toper rubber sack in threading tang department, toper rubber sack has elasticity after the threading, can make tang department confine on the electric wire surface, can carry out good sealed, is difficult for getting into steam, has good moisture resistance, fixes the outer lid through single screw, the installation and the split of being convenient for.

In order to solve the above problems, the utility model adopts the following technical proposal.

A moisture-proof power junction box comprises a bottom shell, wherein an outer cover is connected to the upper end surface of the bottom shell, a wire holder is fixedly connected to the inner end surface of the bottom shell, the wire holder is symmetrically distributed in the bottom shell, a threading convex opening is formed in the outer wall surface of the bottom shell and is designed to be double-convex inside and outside, a conical rubber sleeve is fixedly connected to the outer surface of the inner end convex opening of the threading convex opening, a convex mouth is arranged on the inner end surface of the conical rubber sleeve, a cylindrical table is fixedly connected to the upper surface of the center of the bottom shell, a convex table opening is formed in the inner end surface of the center of the outer cover, a screw hole formed in the convex table is connected with a screw, the outer surface of the lower end of the screw is connected into a screw hole formed in the cylindrical table, the conical rubber sleeve is designed at the threading convex opening, and has elasticity after threading, can carry out good sealed, be difficult for getting into steam, have good moisture resistance, fix the outer lid through single screw, be convenient for installation and split.

Further, the up end of drain pan is equipped with inside and outside square ring incision, and the terminal surface is equipped with trapezoidal square ring recess under the outside limit of enclosing cover, and the trapezoidal square ring groove department block of enclosing cover can form the fracture and block sealedly in the inside and outside square ring incision department surface in the upper end of drain pan after the enclosing cover is installed on the drain pan.

Furthermore, the sealing layer covers the inner wall surface of the groove of the trapezoidal square ring of the outer cover, is a rubber sealing layer, and can improve the sealing performance after the outer cover is clamped and installed on the bottom shell.

Furthermore, the rear end of the conical rubber sleeve is subjected to reducing closing-in treatment, the thickness of the conical rubber sleeve is not less than three millimeters, the conical rubber sleeve has good elastic contraction force and certain thickness, and is high in strength and not easy to damage.

Furthermore, the threading bellmouths are distributed at the front end and the rear end of the bottom shell and are symmetrically distributed on the bottom shell, so that the electric wires can be conveniently inserted for wiring.

Compared with the prior art, the utility model has the advantages of:

(1) through design toper rubber sleeve in threading tang department, toper rubber sleeve has elasticity after the threading, can make tang department confine on the electric wire surface, can carry out good sealed, is difficult for getting into steam, has good moisture resistance, fixes the outer lid through single screw, is convenient for install and split.

(2) The up end of drain pan is equipped with inside and outside square ring incision, and the outside limit of enclosing cover lower extreme terminal surface is equipped with trapezoidal square ring recess, and the trapezoidal square ring groove department block of enclosing cover can form the fracture and block sealed in the inside and outside square ring incision department surface in the upper end of drain pan after the enclosing cover is installed on the drain pan.

(3) The sealing layer is covered on the inner wall surface of the groove of the trapezoidal square ring of the outer cover, the sealing layer is a rubber sealing layer, and the sealing performance can be improved after the outer cover is clamped and installed on the rear bottom shell.

(4) The rear end of the conical rubber sleeve is subjected to reducing closing-in treatment, the thickness of the conical rubber sleeve is not less than three millimeters, the conical rubber sleeve has good elastic contraction force and certain thickness, and is high in strength and not easy to damage.

(5) The threading bellmouths are distributed on the front end and the rear end of the bottom shell and are symmetrically distributed on the bottom shell, so that the electric wires can be conveniently inserted for wiring.

Drawings

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

FIG. 2 is a top view of the distribution of the internal structure in the bottom case of the present invention;

fig. 3 is a bottom schematic view of the partial structure of the outer cover of the present invention.

The reference numbers in the figures illustrate:

the wire connector comprises a bottom shell 1, an outer cover 2, a wire holder 3, a threading convex opening 4, a conical rubber sleeve 5, a convex opening 6, a cylindrical table 7, a convex table opening 8, a screw 9, an inner square ring notch 10, an outer square ring notch 20, a trapezoidal square ring groove 20 and a sealing layer 200.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, a moisture-proof power junction box includes a bottom case 1, wherein an outer cover 2 is connected to the upper end surface of the bottom case 1;

the inner end surface of the bottom shell 1 is fixedly connected with wire holders 3, the wire holders 3 are fixedly installed in the bottom shell 1, and at least two groups of wire holders 3 are arranged at intervals in the drawing of fig. 1;

the outer wall surface of the bottom shell 1 is provided with a threading convex opening 4, the threading convex opening 4 is designed to be double convex inside and outside, the outer surface of the convex opening at the inner end of the threading convex opening 4 is fixedly connected with a conical rubber sleeve 5, and the inner end surface of the conical rubber sleeve 5 is provided with a convex nozzle 6;

referring to fig. 1 and 2, a cylindrical table 7 is fixedly connected to the center of the upper end face of the bottom shell 1, a boss opening 8 is formed in the orthographic projection position of the cylindrical table 7 on the outer cover 2, a screw 9 is connected to the boss opening 8 through a threaded hole, and the outer surface of the lower end of the screw 9 is connected to the threaded hole in the cylindrical table 7.

Referring to fig. 1-3, the upper end surface of the bottom case 1 is provided with an inner and outer square ring notch 10, the lower end surface of the outer side edge of the outer lid 2 is provided with a trapezoidal square ring groove 20, the trapezoidal square ring groove 20 of the outer lid 2 is clamped on the surface of the inner and outer square ring notch 10 of the upper end of the bottom case 1, after the outer cap 2 is mounted on the bottom case 1, a fracture blocking seal can be formed, a sealing layer 200 is coated on the inner wall surface of the trapezoidal square ring groove 20 of the outer cap 2, the sealing layer 200 is a rubber sealing layer, can improve sealing performance after 2 block installations of enclosing cover on the drain pan 1, the reducing binding off processing is done to 5 rear ends of toper rubber sleeve, and the thickness of toper rubber sleeve 5 is not less than three millimeters, has good elastic shrinkage power, has certain thickness, and intensity is high not fragile, and both ends both sides around drain pan 1 are distributed to threading tang 4, and threading tang 4 is the symmetric distribution on drain pan 1, is convenient for alternate the electric wire and connects.

When the wire connecting device is used, an electric wire is inserted into the wire connecting convex openings 4 at two sides, the electric wire penetrates through the conical rubber sleeve 5 to extend out of the convex mouth 6, the back end of the conical rubber sleeve 5 is subjected to reducing closing treatment, the thickness of the conical rubber sleeve 5 is not less than three millimeters, the conical rubber sleeve 5 has good elastic contraction force and certain thickness, is high in strength and not easy to damage, the convex mouth 6 can be opened when the electric wire passes through, the rubber material is adopted, the elastic force is good, the convex mouth 6 can be contracted and confined on the outer surface of the electric wire, the sealing performance is improved, no gap is reserved, the water vapor can be isolated, the moisture resistance is good, the electric wires at two ends can be connected onto the wire connecting seat 3 to connect a circuit, the connection is;

through locating through screw 9 fixedly at drain pan 1 and enclosing cover 2 center, the atress is even when can making enclosing cover 2 fixed, it is convenient when single screw 9 is fixed and dismantles, simultaneously the up end of drain pan 1 is equipped with inside and outside square ring incision 10, the outside tip of enclosing cover 2 is equipped with trapezoidal square ring recess 20 down, trapezoidal square ring recess 20 department block of enclosing cover 2 is on the surface of the inside and outside square ring incision 10 department in the upper end of drain pan 1, install back on drain pan 1 at enclosing cover 2, can form the fracture and block sealedly, it has sealing layer 200 to cover on the surface of the trapezoidal square ring recess 20 department inner wall of enclosing cover 2 again, sealing layer 200 is the rubber seal layer, can form the fracture again after on drain pan 1 after enclosing cover 2 block installation and seal, can improve sealing performance.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims (5)

1. The utility model provides a dampproofing power terminal box, includes drain pan (1), its characterized in that: the upper end surface of the bottom shell (1) is connected with an outer cover (2), the inner end surface of the bottom shell (1) is fixedly connected with a wire holder (3), the wire holders (3) are symmetrically distributed in the bottom shell (1), the outer wall surface of the bottom shell (1) is provided with threading convex openings (4), the threading convex opening (4) is designed to be double-convex opening inside and outside, the outer surface of the convex opening at the inner end of the threading convex opening (4) is fixedly connected with a conical rubber sleeve (5), a convex nozzle (6) is arranged on the inner end surface of the conical rubber sleeve (5), a cylindrical table (7) is fixedly connected to the upper surface of the center of the bottom shell (1), the inner end face of the center of the outer cover (2) is provided with a boss opening (8), a threaded hole arranged in the boss opening (8) is connected with a screw (9), the outer surface of the lower end of the screw (9) is connected in a threaded hole arranged in the cylindrical table (7).

2. A moisture resistant electrical power connector as defined in claim 1, wherein: the upper end face of the bottom shell (1) is provided with an inner square ring notch and an outer square ring notch (10), the lower end face of the outer side edge of the outer cover (2) is provided with a trapezoidal square ring groove (20), and the trapezoidal square ring groove (20) of the outer cover (2) is clamped on the surface of the inner square ring notch (10) in the upper end of the bottom shell (1).

3. A moisture resistant electrical power connector as defined in claim 2, wherein: the inner wall surface of the trapezoidal square ring groove (20) of the outer cover (2) is covered with a sealing layer (200), and the sealing layer (200) is a rubber sealing layer.

4. A moisture resistant electrical power connector as defined in claim 1, wherein: the rear end of the conical rubber sleeve (5) is subjected to reducing closing-in treatment, and the thickness of the conical rubber sleeve (5) is not less than three millimeters.

5. A moisture resistant electrical power connector as defined in claim 1, wherein: the threading convex openings (4) are distributed at the front end and the rear end of the bottom shell (1), and the threading convex openings (4) are symmetrically distributed on the bottom shell (1).

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