CN210898415U

CN210898415U - Electrical junction box

Info

Publication number: CN210898415U
Application number: CN201922199613.3U
Authority: CN
Inventors: 刘庭辉; 刘浩然; 陈仕民
Original assignee: Luzhou Developing Machinery Co ltd
Current assignee: Luzhou Developing Machinery Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-06-30
Anticipated expiration: 2029-12-10

Abstract

The utility model relates to the technical field of electric appliance wiring devices, in particular to an electric junction box, which comprises a box body, a top cover and a bottom plate, wherein the top cover is detachably arranged at the upper end of the box body, the bottom plate is connected and arranged at the lower end of the box body, a plurality of wiring ports are arranged in the circumferential direction of the box body, the electric junction box also comprises a fixing device, and the fixing device comprises an adjusting solenoid, an adjusting screw rod, an adjusting pressing plate, a plurality of wedge-shaped fixing blocks and a plurality of elastic pieces; only need rotatory adjusting screw, just can accomplish the installation and the dismantlement of electric terminal box, the installation and the dismantlement of being convenient for very much facilitate the use, and it is fixed to contact through the pore wall of a plurality of wedge fixed blocks and mounting hole moreover, is showing and is improving the installation fastness, and simple structure does benefit to when the area of specially adapted mounting hole is greater than electric terminal box's area, does benefit to the popularization.

Description

Electrical junction box

Technical Field

The utility model belongs to the technical field of electrical apparatus termination technique and specifically relates to an electrical junction box.

Background

During electrical construction, it is often necessary to perform threading operations and use electrical junction boxes as transition devices. The electric wire in the terminal tube is connected in the electric terminal box, and the electric terminal box is placed in the mounting hole of wall usually, when the area of mounting hole is greater than the area of electric terminal box, also be that the mounting hole is when uncomfortable with electric terminal box, make electric terminal box installation fastness relatively poor, electric terminal box rocks easily during the wiring, influences electric terminal box's use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an electrical junction box convenient to installation, installation fastness are good is provided.

The utility model provides an electric terminal box that its technical problem adopted, including box body, top cap, bottom plate, the top cap can be dismantled and set up in the upper end of box body, and the bottom plate is connected and is set up the lower extreme at the box body, is provided with a plurality of wiring mouths in the circumference of box body, still includes fixing device, and fixing device includes adjusting solenoid, adjusting screw, adjusting plate, polylith wedge fixed block, a plurality of elastic component, is provided with a plurality of fixed block mounting grooves on the internal surface of bottom plate, is provided with a plurality of fixed through-holes in the circumference of box body, and a fixed block mounting groove is linked together with a fixed through-;

the wedge-shaped fixing block comprises a bottom surface and a wedge-shaped inclined surface, the wedge-shaped fixing block is arranged in a fixing block mounting groove in a matched mode, the inclined upper end of the wedge-shaped inclined surface is located on the outer side of the inclined lower end, the wedge-shaped fixing block can slide in the corresponding fixing block mounting groove and can slide to the outside of the box body, one end of the elastic piece is connected with the side wall of the wedge-shaped fixing block, and the other end of the elastic piece is connected with the;

the adjusting press plate is arranged on a wedge-shaped inclined plane of the wedge-shaped fixing block, the adjusting screw tube is fixedly arranged in the middle of the inner surface of the bottom plate, the lower end of the adjusting screw rod is arranged in the adjusting screw tube in a matched mode, the adjusting screw rod can move up and down in the adjusting screw tube, a connecting through hole is formed in the middle of the adjusting press plate, the upper end of the adjusting screw rod penetrates through the connecting through hole to be arranged, and the adjusting press plate can move up and down along with the adjusting screw.

Further, a solenoid installation groove is formed in the middle of the inner surface of the bottom plate, and the adjusting solenoid is arranged in the solenoid installation groove in a matched mode.

Further, fixing device includes 4 wedge fixed blocks, 4 elastic component, is provided with 4 fixed block mounting grooves on the internal surface of bottom plate, and 4 fixed block mounting grooves evenly distributed are in the circumference of bottom plate.

Further, the elastic member is a spring.

Furthermore, the section of the wedge-shaped fixed block is in a right trapezoid shape, and the bottom surface of the wedge-shaped fixed block is a plane.

Further, the upper end of the adjusting screw is provided with a rotating groove.

Further, the section of the rotary groove is rectangular.

Furthermore, the wire connecting device also comprises a plurality of baffle plates, and one baffle plate is detachably arranged in one wire connecting port.

Further, still include a plurality of tenon strips, the inner wall circumference of box body is provided with a plurality of mortises, and a mortise is linked together with a wiring mouth, and a tenon strip can be dismantled and set up in a mortise, and a tenon strip is connected with a baffle.

Further, a plurality of fixed screw pipes are fixedly arranged on the inner wall of the box body in the circumferential direction, a plurality of connecting through holes are formed in the top cover, and the box body further comprises a plurality of fixing screws, and one fixing screw penetrates through one connecting through hole to be connected with one fixed screw pipe, so that the top cover can be detachably arranged at the upper end of the box body.

The utility model has the advantages that: through set up fixing device in the box body, fixing device is including adjusting the solenoid, adjusting screw, adjusting plate, polylith wedge fixed block, a plurality of elastic component, when installation and dismantlement electric junction box, only need rotatory adjusting screw, just can accomplish electric junction box's installation and dismantlement, the installation and the dismantlement of being convenient for very much, facilitate the use, and the pore wall through a plurality of wedge fixed blocks and mounting hole contacts fixedly, showing and having improved the installation fastness, when the area of specially adapted mounting hole is greater than electric junction box's area, moreover, the steam generator is simple in structure, do benefit to the popularization.

Drawings

FIG. 1 is a schematic side view of the present invention;

FIG. 2 is a schematic view of the structure with the top cover disassembled;

FIG. 3 is a partially exploded view of the structure;

FIG. 4 is an exploded schematic view of the fixture;

FIG. 5 is a schematic structural view of the box body, the baffle plate and the tenon strip;

parts, positions and numbers in the drawings: the box body 1, the wiring mouth 11, fixing through hole 12, top cap 2, bottom plate 3, fixed piece mounting groove 31, solenoid mounting groove 32, adjust solenoid 4, adjusting screw 5, adjusting pressure plate 6, wedge fixed block 7, wedge inclined plane 71, fixed solenoid 81, set screw 82, baffle 91, tenon strip 92, elastic component 10, sealing strip 13, tongue-and-groove 14.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1 to 5, the utility model discloses an electrical junction box, including box body 1, top cap 2, bottom plate 3, top cap 2 can be dismantled and set up in the upper end of box body 1, bottom plate 3 connects and sets up the lower extreme at box body 1, be provided with a plurality of wiring ports 11 in the circumference of box body 1, still include fixing device, fixing device is located box body 1, fixing device includes adjusting solenoid 4, adjusting screw 5, adjusting pressure plate 6, polylith wedge fixed block 7, a plurality of elastic component 10, elastic component 10 is preferably the spring, be provided with a plurality of fixed block mounting grooves 31 on the internal surface of bottom plate 3, be provided with a plurality of fixed through-holes 12 in the circumference of box body 1, a fixed block mounting groove 31 is linked together with a fixed through-hole 12;

the wedge-shaped fixing block 7 comprises a bottom surface and wedge-shaped inclined surfaces 71, the wedge-shaped fixing block 7 is arranged in one fixing block mounting groove 31 in a matched mode, the inclined upper end of each wedge-shaped inclined surface 71 is located on the outer side of the inclined lower end, the wedge-shaped fixing block 7 can slide in the corresponding fixing block mounting groove 31 and can slide to the outside of the box body 1, one end of each elastic piece 10 is connected with the side wall of the corresponding wedge-shaped fixing block 7, and the other end of each elastic piece is connected with the side;

the adjusting pressing plate 6 is arranged on a wedge-shaped inclined plane 71 of the wedge-shaped fixing block 7, the adjusting solenoid 4 is fixedly arranged in the middle of the inner surface of the bottom plate 3, the lower end of the adjusting screw rod 5 is arranged in the adjusting solenoid 4 in a matched mode, the adjusting screw rod 5 can move up and down in the adjusting solenoid 4, a connecting through hole 61 is formed in the middle of the adjusting pressing plate 6, and the upper end of the adjusting screw rod 5 penetrates through the connecting through hole 61 to enable the adjusting pressing plate 6 to move up and down along with the adjusting screw rod 5.

When this electric junction box was not installed, wedge fixed block 7 matched sets up in fixed block mounting groove 31, and the outer tip of best wedge fixed block 7 parallels with fixed through hole 12, and wedge fixed block 7 can also seal fixed through hole 12, improves the wholeness when electric junction box was not installed, is convenient for with electric junction box integral erection in the mounting hole on the wall. When the electric junction box is installed, the top cover 2 is firstly disassembled and taken down, and the fixing device in the box body 1 is exposed; then the box body 1 and the bottom plate 3 are placed in the mounting hole on the wall; finally, the adjusting screw rod 5 is rotated, the adjusting screw rod 5 moves downwards along the adjusting solenoid 4 under the action of threads, in the box body 1, the adjusting screw rod 5 moves downwards to drive the adjusting pressing plate 6 to move downwards along the box body 1, the adjusting pressing plate 6 moves downwards to apply an outward extrusion thrust to the wedge-shaped fixing block 7, the wedge-shaped fixing block 7 moves outwards along the fixing block mounting groove 31 under the action of the outward extrusion thrust, the wedge-shaped fixing block 7 is pushed out of the box body 1 until the outer end part of the wedge-shaped fixing block 7 is fixedly contacted with the hole wall of the mounting hole, the electrical junction box is fixed in the mounting hole through the wedge-shaped fixing block 7, and the elastic part 10 is stretched and is in a stretching state at the moment. When this electrical junction box is dismantled and is changed, only need reverse direction rotation adjusting screw 5, make adjusting screw 5 drive adjusting clamp plate 6 rebound, adjusting clamp plate 6 reduces 7 extrusion thrust of wedge fixed block gradually, until disappearing, under the pulling force effect of

elastic component

10, 7 shrink of wedge fixed block are to fixed block mounting groove 31 in, make electrical packaging box lose the restraint, take out it very conveniently and change work.

Specifically, for the convenience of adjusting solenoid 4's installation fixed, reduce the possibility that adjusts solenoid 4 and appear rocking when using, again as shown in fig. 3, fig. 5, the utility model discloses be provided with solenoid mounting groove 32 in the middle of the centre of 3 internal surfaces of bottom plate, adjust solenoid 4 and match vertical setting in solenoid mounting groove 32, solenoid mounting groove 32 carries on spacing fixedly to adjusting solenoid 4.

In order to guarantee the installation fastness of the electric junction box, as shown in fig. 2 to 5 again, the fixing device comprises 4 wedge-

shaped fixing blocks

7 and 4

elastic pieces

10, 4 fixing block mounting grooves 31 are formed in the inner surface of the bottom plate 3, the 4 fixing block mounting grooves 31 are uniformly distributed in the circumferential direction of the

bottom plate

3, 4 directions of the box body 1 are respectively provided with the wedge-shaped fixing blocks 7 after the fixing device is arranged, the 4 wedge-shaped fixing blocks 7 are fixedly connected with 4 direction hole walls of the mounting holes correspondingly, and therefore the installation fastness of the electric junction box is guaranteed.

In order to facilitate the sliding (moving) of the wedge-shaped fixing block 7 in the corresponding fixing block mounting groove 31, as shown in fig. 4, the section of the wedge-shaped fixing block 7 is a right trapezoid, and the bottom surface of the wedge-shaped fixing block 7 is a plane. The outer end part of the wedge-shaped fixing block 7, which is contacted with the hole wall of the mounting hole, is a plane, and the outer end part is a surface with the largest area of the wedge-shaped fixing block 7, so that the contact area of the wedge-shaped fixing block 7 and the hole wall of the mounting hole is increased, and the mounting firmness of the electrical junction box is further improved.

In order to facilitate the rotation of the adjusting screw 5, it is preferable to use a tool, and as shown in fig. 4, the adjusting screw 5 is provided with a rotating groove 51 at an upper end portion thereof, and the rotating tool is inserted into the rotating groove 51 to rotate the adjusting screw 5. Further, the section of the rotary groove 51 is rectangular, and a tool can be a common straight screwdriver.

In order to improve the leakproofness of electric terminal box when not using, reduce magazine such as dust and get into box body 1, as shown in fig. 5 again, the utility model discloses still be provided with polylith baffle 91, a baffle 91 can be dismantled and set up in a wiring mouth 11, and electric terminal box when using, dismantles baffle 91 and gets off and can use. In order to prevent the baffle 91 from falling off when not in use, a plurality of tenon strips 92 are further arranged, a plurality of tenon grooves 14 are circumferentially arranged on the inner wall of the box body 1, one tenon groove 14 is communicated with one wiring port 11, one tenon strip 92 is detachably arranged in one tenon groove 14, one tenon strip 92 is connected with one baffle 91, and the shapes of the tenon strip 92 and the tenon groove 14 are preferably conical. Further, a sealing tape 13 may be further provided between the top cover 2 and the box body 1 to enhance the sealing performance of the entire electrical junction box.

In order to ensure the firmness of the top cover 2 when being connected with the box body 1 and facilitate the installation and the disassembly of the top cover 2, as shown in fig. 1 and fig. 2, a plurality of fixing screw pipes 81 are fixedly arranged on the inner wall of the box body 1 in the circumferential direction, a plurality of connecting through holes are formed in the top cover 2, and a plurality of fixing screws 82 are further included, one fixing screw 82 penetrates through one connecting through hole to be connected with one fixing screw pipe 81, so that the top cover 2 can be detachably arranged at the upper end of the box body 1.

To sum up, through set up fixing device in box body 1, fixing device is including adjusting solenoid 4, adjusting screw 5, adjusting plate 6, polylith wedge fixed block 7, a plurality of elastic component 10, when installation and dismantlement electric junction box, only need rotatory adjusting screw 5, just can accomplish electric junction box's installation and dismantlement, the installation and the dismantlement of being convenient for very much, and is convenient for use, and the pore wall through a plurality of wedge fixed blocks 5 and mounting hole contacts fixedly, showing and having improved the installation fastness, when the area of specially adapted mounting hole is greater than electric junction box's area, moreover, the steam generator is simple in structure, and the steam generator is favorable to the popularization.

Claims

1. Electric terminal box, including box body (1), top cap (2), bottom plate (3), top cap (2) can be dismantled and set up in the upper end of box body (1), and bottom plate (3) are connected and are set up the lower extreme at box body (1), are provided with a plurality of wiring mouth (11), its characterized in that in the circumference of box body (1): the box body is characterized by further comprising a fixing device, wherein the fixing device comprises an adjusting solenoid (4), an adjusting screw rod (5), an adjusting pressing plate (6), a plurality of wedge-shaped fixing blocks (7) and a plurality of elastic pieces (10), a plurality of fixing block mounting grooves (31) are formed in the inner surface of the bottom plate (3), a plurality of fixing through holes (12) are formed in the circumferential direction of the box body (1), and one fixing block mounting groove (31) is communicated with one fixing through hole (12);

the wedge-shaped fixing block (7) comprises a bottom surface and wedge-shaped inclined surfaces (71), the wedge-shaped fixing block (7) is arranged in one fixing block mounting groove (31) in a matched mode, the inclined upper end of each wedge-shaped inclined surface (71) is located on the outer side of the inclined lower end, the wedge-shaped fixing block (7) can slide in the corresponding fixing block mounting groove (31) and can slide to the outside of the box body (1), one end of one elastic piece (10) is connected with the side wall of one wedge-shaped fixing block (7), and the other end of the elastic piece is connected with the side wall of the fixing block;

adjusting pressure plate (6) sets up on wedge inclined plane (71) of wedge fixed block (7), adjusting solenoid (4) are fixed to be set up in the centre of bottom plate (3) internal surface, the lower extreme matching of adjusting screw (5) sets up in adjusting solenoid (4), and adjusting screw (5) can reciprocate in adjusting solenoid (4), the centre of adjusting pressure plate (6) is provided with connects via hole (61), the upper end of adjusting screw (5) is passed and is connected via hole (61) setting, make adjusting pressure plate (6) can reciprocate along with adjusting screw (5).

2. The electrical junction box of claim 1, wherein: the middle of the inner surface of the bottom plate (3) is provided with a solenoid installation groove (32), and the adjusting solenoid (4) is arranged in the solenoid installation groove (32) in a matching way.

3. The electrical junction box of claim 1, wherein: the fixing device comprises 4 wedge-shaped fixing blocks (7) and 4 elastic pieces (10), 4 fixing block mounting grooves (31) are formed in the inner surface of the bottom plate (3), and the 4 fixing block mounting grooves (31) are uniformly distributed in the circumferential direction of the bottom plate (3).

4. The electrical junction box of claim 1, wherein: the elastic member (10) is a spring.

5. The electrical junction box of claim 1, wherein: the section of the wedge-shaped fixed block (7) is in a right trapezoid shape, and the bottom surface of the wedge-shaped fixed block (7) is a plane.

6. The electrical junction box of claim 1, wherein: the upper end part of the adjusting screw rod (5) is provided with a rotary groove (51).

7. The electrical junction box of claim 6, wherein: the section of the rotary groove (51) is rectangular.

8. The electrical junction box of claim 1, wherein: the wire connecting device also comprises a plurality of baffle plates (91), and one baffle plate (91) is detachably arranged in one wire connecting port (11).

9. The electrical junction box of claim 8, wherein: the novel box body is characterized by further comprising a plurality of tenon strips (92), a plurality of tenon grooves (14) are formed in the circumferential direction of the inner wall of the box body (1), one tenon groove (14) is communicated with one wiring port (11), one tenon strip (92) is detachably arranged in one tenon groove (14), and one tenon strip (92) is connected with one baffle (91).

10. The electrical junction box according to any one of claims 1 to 9, wherein: the box body (1) is characterized in that a plurality of fixed solenoid pipes (81) are fixedly arranged on the inner wall of the box body (1) in the circumferential direction, a plurality of connecting through holes are formed in the top cover (2), and the box body further comprises a plurality of fixing screws (82), wherein one fixing screw (82) penetrates through one connecting through hole to be connected with one fixed solenoid pipe (81), so that the top cover (2) can be detachably arranged at the upper end of the box body (1).