CN112436330A

CN112436330A - Electric connection box

Info

Publication number: CN112436330A
Application number: CN202011200867.3A
Authority: CN
Inventors: 周中良; 应佩良; 刘爽
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-02
Filing date: 2020-11-02
Publication date: 2021-03-02

Abstract

The invention relates to the field of electrical equipment, in particular to an electric connection box which is used for being electrically connected with a power line and is characterized in that: the electric connection box comprises a box body, a wiring terminal fixed in the box body, wherein the wiring terminal is electrically connected with a power line in a pluggable manner, and the electric connection box further comprises a clamping structure which is used for clamping and fixing the power line when the power line is inserted into the wiring terminal and is used for releasing the power line so that the power line can be pulled out from the wiring terminal. The electric connection box has simple structure, can be assembled and disassembled by a user according to the requirements, is simple and convenient to assemble, can be adapted to power lines with different lengths according to different use occasions, and is easy to replace even if the power lines are damaged or damaged.

Description

Electric connection box

Technical Field

The invention relates to the field of electrical equipment, in particular to an electric connection box.

Background

When a new house is decorated, circuits in the house are generally arranged and wired firstly, and then the wall surface is decorated. Often, however, the user does not have good predictions about the future placement of the electrical devices during the planning process. For example, when a room is finished, the installation position of the air conditioner is not considered, and after finishing, it is found that since the air conditioner is also provided with an outdoor main unit and a cooling pipe, the wall socket may be too far away from the air conditioner in consideration of the installation of the outdoor main unit and the most economical efficiency of the cooling pipe. Therefore, the user will need to purchase a new socket for electrical transfer. The existing socket can not directly run the wire along the wall, and a user needs to nail a staple on the wall to clamp the power line, so that the operation of running the wire is very troublesome. And the existing power strip is fixed with the power line into a whole, and the power lines on the power strip are different in length, so that the user needs to estimate the length of the power line in advance, and the user is troubled in selecting and purchasing. In addition, the length of the power cord of the power strip is determined, and the power cord and the socket are fixed into a non-detachable structure, so that the power cord cannot be replaced when damaged, and the power strip is very single in use occasion.

Disclosure of Invention

The invention aims to provide an electric connection box, which has a simple structure, can be assembled and disassembled by a user according to requirements, is simple and convenient to assemble, can be adapted to power lines with different lengths according to different use occasions, and can be easily replaced even if the power lines are damaged or damaged.

In order to achieve the purpose, the invention adopts the following technical scheme: an electrical connection box for electrical connection with a power supply line, characterized in that: the electric connection box comprises a box body, a wiring terminal fixed in the box body, wherein the wiring terminal is electrically connected with a power line in a pluggable manner, and the electric connection box further comprises a clamping structure which is used for clamping and fixing the power line when the power line is inserted into the wiring terminal and is used for releasing the power line so that the power line can be pulled out from the wiring terminal.

Furthermore, press from both sides tight structure and set up on binding post, binding post includes reed, clamp shell fragment and the movable rod of being connected with the clamp shell fragment, the movable rod can drive the deformation of clamp shell fragment to make the clamp shell fragment press from both sides the reed and the conductor of power cord tightly together, and release the conductor of power cord, so that the conductor of power cord can be followed binding post and extracted out, wherein, press from both sides tight structure and form by the cooperation of movable rod and clamp shell fragment.

Furthermore, the wiring terminal further comprises a shell, the spring plate and the clamping spring plate are arranged in the shell, and the movable rod extends out of the shell.

Furthermore, the shell is a box body, and the movable rod is exposed out of the box body;

or the shell is arranged in the box body.

Furthermore, the clamping structure is a clamping body arranged on the box body, the clamping body comprises an upper clamping body and a lower clamping body movably buckled with the upper clamping body, and a power line outside the wiring terminal is clamped by a clamping groove formed by the upper clamping body and the lower clamping body in a surrounding mode.

Furthermore, the clamping body is positioned on the outer side of the box body and protrudes out of the box body;

or, the box body comprises a box body, the lower clamping body is the box body, the upper clamping body is covered on the box body, the clamping groove is concavely arranged on the surface of the box body, and when the upper clamping body is covered on the box body, the clamping groove is hidden in the box body.

Further, the upper clamping body and the lower clamping body are fixed in a buckling mode;

or the upper clamping body is hinged with the lower clamping body, and the upper clamping body can turn over at the hinged position relative to the lower clamping body;

or convex teeth are arranged in the clamping grooves.

Further, the connecting terminal comprises a shell, and the upper clamping body or the lower clamping body is integrally formed with the shell.

Furthermore, the box body is provided with a jack which can be electrically connected with an electric device;

or a switch capable of connecting and disconnecting the circuit is arranged on the box body;

or the box body is provided with a plug pin matched with a wall socket;

alternatively, the box is glued to the wall.

Furthermore, the tip of power cord is provided with the bayonet joint, be provided with the contact pin on the bayonet joint, the contact pin can be connected along with the plug connector with binding post plug, wherein, be provided with the fool-proof structure that prevents the reverse dress of contact pin between bayonet joint and the binding post.

After the technical scheme is adopted, the electric connection box further comprises a clamping structure, the clamping structure can be used for clamping and fixing the power line when the power line is inserted into the wiring terminal, and the power line can be released when the power line is required to be detached, so that the power line is pulled out of the wiring terminal. Therefore, the user can assemble or disassemble the device according to the requirement of the user. And, according to the difference of use occasion, the user can the different length power cords of adaptation. In addition, when the power cord has taken place the breakage, the user can also change the power cord by oneself, compares and inserts row structure in prior art, need not change whole row of inserting. The electric connection box of the invention is not only more economical, but also wider in use place.

Drawings

The invention will be further described with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural diagram according to a first embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the mounting structure of the electrical junction box and the power cord of FIG. 1;

FIG. 4 is a schematic structural diagram according to a second embodiment of the present invention;

fig. 5 is a schematic structural diagram of a third embodiment of the present invention.

Detailed Description

The first embodiment is as follows:

as shown in fig. 1, fig. 2, and fig. 3, which are schematic structural diagrams of a first embodiment of the present invention. The utility model provides an electric connection box for be connected with power cord 3 electricity, includes box body 1, is fixed in binding post 2 in the box body 1, binding post 2 is connected with the electric connection that power cord 3 can be pluggable, be provided with on the box body 1 with wall socket complex bolt 11, electric connection box is still including pressing from both sides tight structure, the fixed power cord 3 of centre gripping when pressing from both sides tight structure is used for power cord 3 cartridge on binding post 2 to and be used for releasing power cord 3, so that power cord 3 can follow binding post 2 and extract.

In this embodiment, the end of the power line 3 is provided with a plug connector 31, the plug connector 31 is provided with three pins 32 respectively connected with the live wire, the zero wire and the ground wire, and the pins 32 are connected with the wiring terminal 2 in a pluggable manner along with the plug connector 31. The connecting terminal 2 includes a housing 21 installed in the box body 1, a spring 22 and a clip spring 23 installed in the housing 21, and a movable rod 24 connected to the clip spring 23, wherein the housing 21 is provided with three mounting holes 20 matched with three pins 32. The movable rod 24 extends from the casing 21 and is exposed out of the box body 1. The movable rod 24 can drive the clip spring 23 to deform, so that the clip spring 23 clamps the spring 22 and the pin 32 together, and release the pin 32 of the power cord 3, so that the pin 32 of the power cord 3 can be pulled out of the terminal 2. In this embodiment, the clamping structure is formed by the movable rod 24 and the clip spring 23.

Meanwhile, in this embodiment, a fool-proof structure for preventing the reverse installation of the pin 32 is provided between the plug 31 and the housing 21 of the terminal 2. In this embodiment, the fool-proof structure includes a positioning groove 210 disposed on the housing 21 and a positioning protrusion 310 disposed on the plug 31, wherein the positioning protrusion 310 extends into the positioning groove 210.

For the embodiment, because the electrical connection box further comprises the clamping structure, the clamping structure can be used for clamping and fixing the power line when the power line is inserted into the wiring terminal, and can also release the power line when the power line needs to be detached, so that the power line can be pulled out of the wiring terminal. Therefore, the user can assemble or disassemble the device according to the requirement of the user. And, according to the difference of use occasion, the user can the different length power cords of adaptation. In addition, when the power cord has taken place the breakage, the user can also change the power cord by oneself, compares and inserts row structure in prior art, need not change whole row of inserting. The electrical connection box of the present embodiment is not only more economical but also wider in use place.

And, in this embodiment, because the tip of power cord is provided with the bayonet joint, and have on the bayonet joint respectively with the live wire, the zero line, three contact pin that the ground wire is connected (of course, the power cord also can be without the ground wire, this moment, the contact pin is for being connected with live wire and zero line electricity, and binding post can set up only with live wire and two mounting holes of zero line looks plug complex, this power cord can pass through the bayonet joint and the cooperation of directly pegging graft of binding post, compare in the adaptation of current binding post and power cord, the structure of this embodiment is simpler, it is more convenient to install, and, the clamp shell fragment is when pressing from both sides tight reed and contact pin, the movable rod can also press and hold on the bayonet joint, can realize that the power cord is installed more reliably on binding post and. Simultaneously, still be provided with between bayonet joint and the binding post and prevent slow-witted structure, can effectually prevent that the user from taking place the wrong problem of anti-mistake of contact pin at the in-process of installation, promoted the efficiency and the reliability of power cord and binding post installation greatly, the effectual risk that prevents that the anti-electrical apparatus piece damage or take place electric leakage, electric shock of causing of contact pin dress.

It should be noted that, in this embodiment, the case body of the electrical connection box may be further provided with a jack for electrically connecting an electrical device. Or the electric connection box is provided with a switch which can connect and disconnect the circuit. The electric connection box in the embodiment is directly inserted and buckled on a wall socket through a bolt. Of course, the electrical connection box in this embodiment may also be only equivalent to one power strip, and when the electrical connection box functions as a power strip, the electrical connection box may be fixed on a wall or a desktop in an adhesive manner. Moreover, for the embodiment, the fool-proof structure between the plug and the connection terminal is not limited to the solution disclosed in the embodiment, but the embodiment can also be applied to the fool-proof solution frequently used in the prior art, and in the embodiment, the fool-proof structure formed by the positioning groove and the positioning protrusion can also be reversely arranged.

In addition, for this embodiment, the terminal itself has a housing for mounting the spring plate and the clip spring plate, and certainly, the housing of the terminal may also be a box itself, and at this time, the spring plate and the clip spring plate are fixed in the box. And, this moment, the bayonet joint can with set up between the box body prevent slow-witted structure, for example, set up constant head tank or location arch on the box body, and set up corresponding location arch or constant head tank etc. on the bayonet joint. It should also be noted that, for the present embodiment, in order to facilitate the routing of the power line, the power line may be directly fixed on the wall by gluing, and of course, the power line may also be fixed on the wall by using a conventional staple card. Meanwhile, the electric connection box in the embodiment is in a flat square structure, so that the electric connection box cannot be obtrusive when being installed on a wall.

Example two:

fig. 4 is a schematic structural diagram of a second embodiment of the present invention. The difference between the present embodiment and the first embodiment is: in this embodiment, the clamping structure is a clamp body 7 which is convexly arranged outside the box body 1 and fixed with the connection terminal 2, the clamp body 7 includes an upper clamp body 71 and a lower clamp body 72 buckled with the upper clamp body 71, and the power line 3 outside the connection terminal 2 is clamped by a clamping groove 70 formed by the upper clamp body 71 and the lower clamp body 72 in a surrounding manner.

In the present embodiment, the lower clamping body 72 is integrally formed with a housing (not shown) of the terminal 2, the upper clamping body 71 is hinged to the lower clamping body 72 through a thin wall 73, the upper clamping body 71 can be turned over relative to the lower clamping body 72 at the hinge, and the upper clamping body 71 and the lower clamping body 72 are fixed by snapping on a side away from the hinge. In order to enable the clamping groove 70 to better clamp the power cord 3, a plurality of convex teeth 74 are further arranged in the clamping groove 70, and when the power cord 3 is clamped, the convex teeth 74 are clamped into the cord skin of the power cord 3. In this embodiment, the clamping body 7 can clamp the power line 3, so as to prevent the power line 3 from loosening from the wiring terminal 2, resulting in poor contact or breakage due to external tension.

In the present embodiment, the power cord 3 is flat, and the conductor disposed at the end of the power cord 3 is directly inserted into the connecting terminal 2, wherein the clamping groove 70 is also flat to fit and clamp the power cord 3.

For this embodiment, the clamping structure formed by the clamping body is the same as the first embodiment, and can clamp and fix the power line when the power line is inserted into the connecting terminal, and can release the power line when the power line needs to be detached, so that the power line can be pulled out from the connecting terminal, and the convenient detachment and installation are realized. In this embodiment, the terminal has the same structure as that of the first embodiment, and the inside thereof is also provided with the clamping structure. Therefore, for the embodiment, the wiring terminal has a double-clamping structure for clamping the power line, so that the anti-loosening capacity of the power line is greatly improved, the reliability of preventing poor electric connection contact is ensured, and the safety of preventing electric leakage and electric shock is improved. Of course, the connection terminal in this embodiment may also be a general plug connector or an electrical connector without a clamping function.

It should be noted that for this embodiment, the lower clamping body is integrally formed with the housing of the terminal. Of course, the upper clamping body can be integrally formed with the casing, or the upper clamping body or the lower clamping body is directly fixed on the outer wall of the box body, or the upper clamping body and the lower clamping body are integrally formed with the outer wall of the box body, or the box body is provided with the upper box body and the lower box body, wherein the upper clamping body and the lower clamping body can be respectively integrally formed with the upper box body or the lower box body, and when the upper box body and the lower box body are fixedly arranged, the power wire clamp can be directly fixedly arranged.

Example three:

fig. 5 is a schematic structural diagram of a third embodiment of the present invention. The present embodiment is different from the second embodiment in that: in this embodiment, the clamping body is hidden in the box body, wherein the box body includes a box body 15, and the lower clamping body of the clamping body is the box body 15, and the upper clamping body 16 which is a split structure covers the box body 15, and the clamping groove 17 is recessed in the surface of the box body 15, when the power line 3 is installed on the box body, and the upper clamping body 16 compresses the power line on the box body 15, the clamping groove 17 is hidden in the box body.

In this embodiment, press from both sides the body and install the back at the box body, when the bolt cartridge at the box body back was inserted on the wall, because the body that presss from both sides has on the box body, the user can't extract the power cord to can not appear the power cord and take place to break away from and form contact failure's problem with electric connection box easily, also effectual power cord and electric connection box owing to install the risk of insecure electric appliance burnout and user's electric shock that leads to the fact. In addition, since the clamping body is mounted on the back surface of the box body in a hidden manner, compared with the electrical connection box of the embodiment, a user needs to pull the electrical connection box out first to remove the power line. Compared with the live wire pulling operation of the electric connection box, the power-off wire pulling operation mode of the embodiment further improves the safety of user operation. It should be noted that, in this embodiment, the upper clamping body and the box body are in a split structure, and the upper clamping body is movably buckled to the box body, wherein the upper clamping body can be fixed on the box body by a buckle or a screw fixing manner. Of course, for the present embodiment, the upper clamping body may also be hinged to the box body through the thin wall in the manner of the second embodiment, so that the upper clamping body is not easily lost with respect to the box body. It should also be noted that the approaches between the embodiments of the present invention may be used interchangeably.

It will be appreciated by those skilled in the art that the present invention includes, but is not limited to, those illustrated in the accompanying drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. An electrical connection box for electrical connection with a power supply line, characterized in that: the electric connection box comprises a box body, a wiring terminal fixed in the box body, wherein the wiring terminal is electrically connected with a power line in a pluggable manner, and the electric connection box further comprises a clamping structure which is used for clamping and fixing the power line when the power line is inserted into the wiring terminal and is used for releasing the power line so that the power line can be pulled out from the wiring terminal.

2. An electrical connection box according to claim 1, wherein: the clamping structure is arranged on the wiring terminal, the wiring terminal comprises a reed, a clamping elastic sheet and a movable rod connected with the clamping elastic sheet, the movable rod can drive the clamping elastic sheet to deform, so that the clamping elastic sheet clamps the reed and a conductor of a power line together, and the conductor of the power line is released, so that the conductor of the power line can be pulled out from the wiring terminal, wherein the clamping structure is formed by the movable rod and the clamping elastic sheet in a matched mode.

3. An electrical connection box according to claim 2, wherein: the wiring terminal further comprises a shell, the spring plate and the clamping elastic plate are arranged in the shell, and the movable rod extends out of the shell.

4. An electrical connection box according to claim 3, wherein: the shell is a box body, and the movable rod is exposed out of the box body;

or the shell is arranged in the box body.

5. An electrical connection box according to claim 1, wherein: the clamping structure is a clamping body arranged on the box body, the clamping body comprises an upper clamping body and a lower clamping body movably buckled with the upper clamping body, and a power line on the outer side of the wiring terminal is clamped by a clamping groove formed by the upper clamping body and the lower clamping body in a surrounding mode.

6. An electrical connection box according to claim 5, wherein: the clamping body is positioned on the outer side of the box body and protrudes out of the box body;

7. An electrical connection box according to claim 5, wherein: the upper clamping body is fixed with the lower clamping body in a buckling manner;

or convex teeth are arranged in the clamping grooves.

8. An electrical connection box according to claim 5, wherein: the wiring terminal comprises a shell, and the upper clamping body or the lower clamping body and the shell are integrally formed.

9. An electrical connection box according to claim 1, wherein: the box body is provided with a jack which can be electrically connected with an electric device;

or the box body is provided with a plug pin matched with a wall socket;

alternatively, the box is glued to the wall.

10. An electrical connection box according to claim 1, wherein: the end of the power cord is provided with a plug connector, the plug connector is provided with a contact pin, the contact pin can be connected with the wiring terminal in a plugging mode along with the plug connector, and a fool-proof structure for preventing the contact pin from being reversely mounted is arranged between the plug connector and the wiring terminal.