Direct insertion type tee joint with cover for preventing stay wire from scratching wire rod

Abstract

The direct insertion type tee joint comprises a box body and a cover body, the upper end of the box body is provided with an opening, the interior of the box body is of a convex containing cavity structure, the two sides of a protrusion of the convex containing cavity are two curved face side walls bent towards the inner side, the top of the protrusion is a front side plane side wall, and the top of the convex containing cavity is a rear side plane side wall. The other ends of the two curved side walls are a left side plane side wall and a right side plane side wall respectively, and the other ends of the left side plane side wall and the right side plane side wall are connected with a rear side plane side wall. The first circular pipe connecting end and the second circular pipe connecting end are arranged on the left side plane side wall and the right side plane side wall respectively, and the third circular pipe connecting part is arranged on the front side plane side wall. The side wall of the third circular tube connecting end is provided with an elastic clamping part, the inner side of the curved side wall is provided with a cylindrical first connecting part, and the electric wire abuts against the outer wall of the cylindrical first connecting part, so that the electric wire cannot be scratched by the hole edges of the through holes in the inner sides of the first circular tube connecting end, the second circular tube connecting end and the third circular tube connecting end.

Description

TECHNICAL FIELD

[0001] The utility model relates to a terminal box technical field especially, it relates to a straight insertion type cover three -way of preventing wire scratch wire. BACKGROUND

[0002] Cover three -way is a terminal box, because its small and exquisite, is fit for in the occasion of limited space uses, often used in residential, commercial building and industrial facilities' ceiling wiring system, for connecting the line of lamps and lanterns, switch or sensor etc. UTILITY MODEL CONTENTS

[0003] Therefore, the existing cover three -way needs to be equipped with the corresponding adapter, can stably connect the bellows pipe, and the use is not convenient enough.

[0004] The utility model discloses a kind of straight insertion type cover three -ways of preventing wire scratch wire, to solve the problem of existing cannot directly connect bellows pipe, easy to scratch wire in the process of pulling wire.

[0005] The utility model discloses a kind of straight insertion type cover three -ways of preventing wire scratch wire, to solve the problem of existing cannot directly connect bellows pipe, easy to scratch wire in the process of pulling wire.

[0006] The first circular pipe connecting end and the second circular pipe connecting end are respectively arranged on the left side plane side wall and the right side plane side wall, and the third circular pipe connecting part is arranged on the front side plane side wall.

[0007] The side wall of the third circular pipe connecting end is provided with an elastic clamping part.

[0008] The inner side of the curved side wall is provided with a cylindrical first connecting part. When the electric wire is pulled from the first circular pipe connecting end to the third circular pipe connecting end or from the second circular pipe connecting end to the third circular pipe connecting end, the electric wire is abutted by the outer wall of the cylindrical first connecting part, so that the electric wire is not scratched by the hole along the through hole in the inner side of the first circular pipe connecting end, the second circular pipe connecting end and the third circular pipe connecting end.

[0009] The cover is arranged on the opening at the upper end of the box body, and the cover is provided with a cylindrical second connecting part which is connected to the cylindrical first connecting part in a plug-in manner.

[0010] In one scheme, the cylindrical first connecting part is a hollow cylinder, and the upper end of the hollow cylinder is flush with the upper end opening of the box body. The cylindrical second connecting part is a cylinder which is tightly plugged into the hollow cylinder.

[0011] In another scheme, the cylindrical first connecting part is a solid cylinder, and the upper end of the solid cylinder is higher than the upper end opening of the box body. The cylindrical second connecting part is a hollow cylindrical plug-in part which is tightly plugged into the upper end of the solid cylinder.

[0012] In another scheme, the side wall of the first circular pipe connecting end is also provided with an elastic clamping part.

[0013] In another scheme, the side wall of the second circular pipe connecting end is also provided with an elastic clamping part.

[0014] In another scheme, the side wall of the first circular pipe connecting end and the side wall of the second circular pipe connecting end are both provided with an elastic clamping part.

[0015] Further, the elastic clamping part comprises two openings in opposite symmetrical positions, and the openings are provided with elastic sheets. The inner side of the front end of the elastic sheet is provided with a clamping barb part.

[0016] Further, the cover is provided with abutting protrusions which are respectively abutted on the inner sides of the left side plane side wall, the right side plane side wall, the front side plane side wall and the rear side plane side wall when the cover is arranged on the box body, so as to tightly plug the cover on the box body. The upper end opening edge of the box body is provided with a notch for opening the cover from the box body.

[0017] Further, the bottom of the "convex" shaped accommodating cavity of the box body is provided with at least two screw fixing parts. The bottom wall of the screw fixing part is a thinned bottom wall, and the outer edge of the screw fixing part is provided with a convex annular part to form a countersunk head position of the screw.

[0018] The utility model discloses a beneficial effect is: through the technical scheme design's take cover three ways, its left and right sides set up the first round pipe connecting end, second round pipe connecting end respectively in the straight -through, set up third round pipe connecting end in the front side, is equipped with the curved side wall between the front side wall and left and right side wall respectively, the inboard of close curved side wall is equipped with cylindrical first connecting part respectively, the cylindrical second connecting part is equipped with in the corresponding cover body, the cylindrical first connecting part because its side wall is the round side wall surface, when the electric wire enters from the first round pipe connecting end, and the electric wire is pulled out from the third round pipe connecting end, or the electric wire enters from the second round pipe connecting end, and the electric wire is pulled out from the third round pipe connecting end, the side wall of electric wire is by the cylindrical first connecting part side wall abutment, and the round side wall surface is smooth and will not scratch the electric wire. The electric wire is not scratched by the hole along the through -hole of the first round pipe connecting end, the second round pipe connecting end, the third round pipe connecting end inboard, and it is ensured that the electric wire is not easy to scratch when using the take cover three ways, and it is beneficial to wiring safety.

[0019] On the other hand, any one or more of the first round pipe connecting end, the second round pipe connecting end and the third round pipe connecting end is provided with an elastic clamping part, which is stably connected to the take cover three ways in a bellows straight insertion mode, without the need of additionally providing an adapter, and is more simple and convenient to use, and meets different use requirements. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the exploded schematic view of the take cover three ways structure of the utility model.

[0021] Figure 2 It is the whole structure perspective schematic view of the take cover three ways of the utility model.

[0022] Figure 3 It is the third round pipe connecting end of the utility model is provided with an elastic clamping part embodiment schematic view.

[0023] Figure 4 It is the first round pipe connecting end, the third round pipe connecting end of the utility model is provided with an elastic clamping part embodiment schematic view.

[0024] Figure 5 It is the second round pipe connecting end, the third round pipe connecting end of the utility model is provided with an elastic clamping part embodiment schematic view.

[0025] Figure 6 It is the first round pipe connecting end, the second round pipe connecting end, the third round pipe connecting end of the utility model is provided with an elastic clamping part embodiment schematic view.

[0026] Figure 7 It is the section structure schematic view of the elastic clamping part of the utility model.

[0027] REFERENCE SIGNS:

[0028] 1, box body; 101, curved side wall; 102, front side plane side wall; 103, left side plane side wall; 104, right side plane side wall; 105, rear side plane side wall; 106, cylindrical first connecting part; 107, convex annular part; 108, notch; 11, first circular tube connecting end; 12, second circular tube connecting end; 13, third circular tube connecting end; 131, elastic sheet; 1311, clamping barb part; 2, cover body; 201, cylindrical second connecting part; 202, abutting convex strip. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative labor also belong to the scope of protection of the present disclosure.

[0030] Please refer to Figures 1 to 3 A straight insertion type tee with cover for preventing the pull wire from scratching the wire is provided, which comprises a box body 1 and a cover body 2. The left and right sides of the box body 1 are respectively provided with a first circular tube connecting end 11 and a second circular tube connecting end 12. The front side of the box body 1 is provided with a third circular tube connecting end 13. The inner sides of the first circular tube connecting end 11, the second circular tube connecting end 12 and the third circular tube connecting end 13 are through holes communicating with the inside of the box body 1. The cover body 2 is tightly fitted with the box body 1. The box body 1 is an open upper end and has an internally "convex" shaped accommodation cavity structure. The convex sides of the "convex" shaped accommodation cavity are two inwardly curved curved side walls 101. The top of the convex is a front side plane side wall 102 connecting the two curved side walls 101. The other ends of the two curved side walls 101 are respectively a left side plane side wall 103 and a right side plane side wall 104. The other ends of the left side plane side wall 103 and the right side plane side wall 104 are connected with a rear side plane side wall 105.

[0031] The first circular tube connecting end 11 and the second circular tube connecting end 12 are respectively arranged on the left side plane side wall 103 and the right side plane side wall 104. The third circular tube connecting part is arranged on the front side plane side wall 102.

[0032] The side wall of the third circular tube connecting end 13 is provided with an elastic clamping part.

[0033] The inner side of the curved side wall 101 is provided with a cylindrical first connecting part 106. When the electric wire is pulled from the first circular tube connecting end 11 to the third circular tube connecting end 13 or from the second circular tube connecting end 12 to the third circular tube connecting end 13, the electric wire is abutted by the outer wall of the cylindrical first connecting part 106, so that the electric wire is not scratched by the holes of the through holes in the inner sides of the first circular tube connecting end 11, the second circular tube connecting end 12 and the third circular tube connecting end 13, which is beneficial to the safety of wiring.

[0034] The cover 2 is arranged on the opening of the upper end of the box 1, and the cover 2 is provided with a cylindrical second connecting part 201 corresponding to the cylindrical first connecting part 106.

[0035] Referring to Figure 1 , Figure 3 In a preferred embodiment, the cylindrical first connecting part 106 is a hollow cylinder, and the upper end of the hollow cylinder is flush with the opening of the upper end of the box 1. The cylindrical second connecting part 201 is a cylinder which is tightly inserted into the hollow cylinder.

[0036] In another preferred embodiment, the cylindrical first connecting part 106 is a solid cylinder, and the upper end of the solid cylinder is higher than the opening of the upper end of the box 1. The cylindrical second connecting part 201 is a hollow cylinder which is tightly inserted into the upper end of the solid cylinder.

[0037] Referring to Figure 1 , preferably, the cover 2 is provided with abutting protrusions 202 which abut the inner sides of the left plane side wall 103, the right plane side wall 104, the front plane side wall 102 and the rear plane side wall 105 when the cover 2 is arranged on the box 1, so that the cover 2 is tightly arranged on the box 1. The upper end of the box 1 is provided with a notch 108 for opening the cover 2 from the box 1. The abutting protrusions 202, the cylindrical first connecting part 106 and the cylindrical second connecting part 201 cooperate to ensure that the cover 2 can be tightly arranged.

[0038] Referring to Figure 1 , preferably, the bottom of the “convex” accommodating cavity of the box 1 is provided with at least two screw fixing parts, the bottom wall of the screw fixing part is a thinned bottom wall, and the outer edge of the screw fixing part is provided with a raised circular ring part 107 to form a countersunk head position of the screw. When the box 1 is fixed by the screw, the periphery of the head of the screw is surrounded by the raised circular ring part 107, which ensures that the wire will not be scratched when pulled, thereby protecting the wire from being scratched.

[0039] Referring to Figure 4 , in another embodiment, the side wall of the first circular pipe connecting end 11 is also provided with an elastic clamping part.

[0040] Referring to Figure 5 , in another embodiment, the side wall of the first circular pipe connecting end 11 and the side wall of the second circular pipe connecting end 12 are also provided with elastic clamping parts.

[0041] Referring to Figure 6 , in another embodiment, the side wall of the first circular pipe connecting end 11 and the side wall of the second circular pipe connecting end 12 are provided with elastic clamping parts.

[0042] Referring toFigure 7 In the above scheme, the elastic clamping part is composed of two openings with symmetrical positions, and the openings are provided with elastic sheets 131, and the inner side of the front end of the elastic sheet 131 is provided with a clamping barb part 1311.

[0043] Through the above scheme, any one or more of the first circular pipe connecting end 11, the second circular pipe connecting end 12 and the third circular pipe connecting end 13 is provided with an elastic clamping part, so that the corrugated pipe is stably connected to the cover three-way pipe in a straight insertion mode, without the need for additionally providing an adapter, and the use is more simple and convenient, and different use requirements are met.

[0044] In the technical scheme, the box body 1 and the cover body 2 are injection molded by using a flame-retardant plastic material.

[0045] The above has described the embodiments of the present disclosure, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles, practical application or improvement of the technology in the market of the embodiments, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.

Claims

1. A straight insertion type cover-equipped tee joint for preventing wire drawing scratch on wire, comprising a box body and a cover body, the left and right sides of the box body are respectively provided with a first circular pipe connecting end and a second circular pipe connecting end, the front side of the box body is provided with a third circular pipe connecting end, the inner side of the first circular pipe connecting end, the second circular pipe connecting end and the third circular pipe connecting end is a through hole communicating with the inside of the box body, the cover body is tightly fitted on the box body, characterized in that, the box body is an open upper end and has an internal "convex" shaped accommodating cavity structure, the convex sides of the "convex" shaped accommodating cavity are two inwardly curved curved side walls, the top of the convex is a front side plane side wall connecting the two curved side walls, the other end of the two curved side walls is respectively a left side plane side wall and a right side plane side wall, and the other end of the left side plane side wall and the right side plane side wall is connected with a rear side plane side wall; the first circular pipe connecting end and the second circular pipe connecting end are respectively arranged on the left side plane side wall and the right side plane side wall, and the third circular pipe connecting part is arranged on the front side plane side wall; the side wall of the third circular pipe connecting end is provided with an elastic clamping part; the inner side of the curved side wall is provided with a cylindrical first connecting part, when the electric wire is drawn from the first circular pipe connecting end to the third circular pipe connecting end or from the second circular pipe connecting end to the third circular pipe connecting end, the electric wire is abutted by the outer wall of the cylindrical first connecting part, so that the electric wire is not scratched by the hole along the through hole in the inner side of the first circular pipe connecting end, the second circular pipe connecting end and the third circular pipe connecting end.

2. The straight through covered tee of claim 1, wherein, the cover body is covered on the opening at the upper end of the box body, and the cover body is provided with a cylindrical second connecting part for plug-in connection corresponding to the cylindrical first connecting part.

3. The straight through covered tee of claim 2, wherein, the cylindrical first connecting part is a hollow cylinder, the upper end of the hollow cylinder is flush with the upper end opening of the box body, and the cylindrical second connecting part is a cylinder tightly fitted in the hollow cylinder.

4. The straight through covered tee of claim 2, wherein, the cylindrical first connecting part is a solid cylinder, the upper end of the solid cylinder is higher than the upper end opening of the box body, and the cylindrical second connecting part is a hollow cylinder plug-in part tightly fitted on the upper end of the solid cylinder.

5. The straight push-through capped tee of claim 1, wherein, the side wall of the first circular pipe connecting end is also provided with an elastic clamping part.

6. The straight push-through capped tee of claim 1, wherein, the side wall of the second circular pipe connecting end is also provided with an elastic clamping part.

7. The straight push-through capped tee of claim 1, wherein, the side wall of the first circular pipe connecting end and the side wall of the second circular pipe connecting end are both provided with an elastic clamping part.

8. The straight-through tee with cover to prevent wire puller scratch on wire of any one of claims 1, 5-6, wherein, the elastic clamping part comprises two openings in symmetrical positions, and the openings are provided with elastic sheets, and the inner side of the front end of the elastic sheet is provided with a clamping barb part.

9. The straight push-through capped tee of claim 1, wherein, the cover body is provided with abutting protrusions that abut the inner sides of the left side plane side wall, the right side plane side wall, the front side plane side wall and the rear side plane side wall when the cover body is covered on the box body, so that the cover body is tightly fitted on the box body; the upper end opening edge of the box body is provided with a notch for opening the cover body from the box body.

10. The straight push-through capped tee of claim 1, wherein, the bottom of the "convex" shaped accommodating cavity of the box body is provided with at least two screw fixing parts, the bottom wall of the screw fixing part is a thinned bottom wall, and the outer edge of the screw fixing part is provided with a convex circular ring part to form a countersunk head position of the screw.

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