CN220711055U - Junction box - Google Patents

Abstract

The utility model relates to the technical field of junction boxes and discloses a junction box which comprises a base, wherein a box body is fixedly connected to the middle point of the upper end face of the base, connecting mechanisms are fixedly arranged at the front end and the rear end of the two sides of the box body, each connecting mechanism comprises a threaded sleeve and a threaded pipe, a connecting pipe is fixedly sleeved on the inner side of each threaded pipe, and a combined pipe is fixedly sleeved on the inner side of each threaded sleeve. According to the utility model, when the electric wires are connected into the box body, the rubber sleeve is matched with the rubber sleeve through the connecting mechanism, so that gaps between the connecting pipe and the electric wires are blocked, water vapor and dust are prevented from entering the box body through the connecting mechanism, the tightness of the junction box is improved, and meanwhile, the plurality of positioning blocks are respectively and stably fixed at the upper ends of the second arc plates in the fixing cavity through the adjusting mechanism and the fixing mechanism, so that the electric wires are prevented from falling off from the box body, and the box is convenient for carding the circuits in the box body.

Description

Junction box

Technical Field

The utility model relates to the technical field of junction boxes, in particular to a junction box.

Background

In electrical devices, electrical components are usually mounted in a junction box and electrical wires are connected in the junction box. The junction box plays a role in protecting the electric wires and connecting the electric wires.

Generally, the junction box comprises a box body, a box cover and a connecting pipe, wherein wires are connected into the junction box through the connecting pipe and are connected in the junction box, but gaps remain between the wires of the traditional junction box and the connecting pipe, so that water vapor and dust are easy to enter the junction box through the connecting pipe to influence the tightness of the junction box, and therefore, a person skilled in the art provides the junction box to solve the problems in the background art.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides the junction box, when an electric wire is connected into the box body, the connecting mechanism is matched with the rubber sleeve to enable the rubber sleeve to fill the gap between the connecting pipe and the electric wire, so that water vapor and dust are prevented from entering the box body through the connecting mechanism, the tightness of the junction box is improved, meanwhile, a plurality of positioning blocks are respectively and stably fixed at the upper ends of the second arc-shaped plates in the fixing cavity through the adjusting mechanism and the fixing mechanism, the electric wire is prevented from falling off from the box body, and the box is convenient for carding the circuits in the box body.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the junction box comprises a base, wherein a box body is fixedly connected to the midpoint of the upper end face of the base, connecting mechanisms are fixedly arranged at the front end and the rear end of the two sides of the box body, each connecting mechanism comprises a threaded sleeve and a threaded pipe, connecting pipes are fixedly sleeved on the inner sides of the threaded pipes, combined pipes are fixedly sleeved on the inner sides of the threaded sleeves, the inner sides of the four combined pipes are fixedly connected with rubber pipes through two screws, protective sleeves are fixedly arranged on the inner sides of the four rubber pipes, rubber plugs are connected to the outer sides of the four combined pipes through connecting belts, and wiring boards are fixedly arranged at the midpoint of the lower end of the inner wall of the box body;

four positioning blocks are fixedly connected to the lower end of the inner wall of the box body, a fixed cavity is formed in the middle point of one side of the inside of each positioning block, a second arc-shaped plate is connected to the lower end of the inside of each fixed cavity through two second springs, an adjusting mechanism is embedded into the middle point of one side of the upper end of each positioning block, a fixing mechanism is embedded into the middle point of one side of each positioning block, and a color identification block is fixedly arranged in the middle point of the other side of the upper end of each positioning block;

through the technical scheme, when the electric wire passes through coupling mechanism and inserts in the box, the electric wire passes through connecting pipe and combination pipe successively, rubber tube one end stretches into the connecting pipe inboard and cup joints in the electric wire outside, rubber tube in the middle of connecting pipe and the electric wire extrusion makes the space between rubber tube filling connecting pipe and the electric wire, effectively avoid steam and dust to get into in the box through the space between connecting pipe and the electric wire, two screw cooperation lag avoid the rubber tube to drop, locating piece cooperation arc No. two, fixed establishment and two No. two springs simultaneously, can fix the electric wire in the box fast, be convenient for comb the circuit in the box, and adjustment mechanism can be adjusted according to the diameter of electric wire, the fixed electric wire of different specifications of locating piece of being convenient for improves fixed stability.

Further, one end of the outer side of the threaded pipe is in threaded sleeve joint with the threaded sleeve, and the diameter of one side of the rubber pipe close to the threaded pipe is gradually reduced;

through above-mentioned technical scheme, make rubber tube one side diameter relatively connecting pipe diameter less, in making the rubber tube can stretch into the connecting pipe when screwed pipe and thread bush are connected, make the smaller one end parcel of rubber tube diameter in the electric wire outside when electric wire inserts in the box body.

Further, the positioning block comprises an upper connecting block and a lower connecting block, and one sides of the upper connecting block and the lower connecting block are hinged through a hinge;

through above-mentioned technical scheme, make the locating piece can rotate and open, be convenient for through placing the electric wire in fixed intracavity, close the locating piece and cooperate fixed establishment to accomplish the quick fixed to the electric wire.

Further, the fixing mechanism comprises a connecting rod and a fixing block, the connecting rod is connected with the positioning block through a first spring, the upper end of the connecting rod is fixedly connected with a movable rod, one end of the movable rod, which is positioned at the outer side of the positioning block, is fixedly connected with a pressing handle, the lower end of the connecting rod is fixedly connected with a second bump, and the upper end of the fixing block is fixedly connected with a first bump;

through above-mentioned technical scheme, fixed block cooperation No. two lugs when limiting the piece to close, the lug is removed No. two, makes the connecting block fixed down, presses the handle in the upward connecting block and makes the movable rod drive the connecting rod and remove, and then makes No. one spring compression and drives No. two lugs and upwards remove in the connecting block, removes fixedly, is convenient for cooperate the fixed block to fix the electric wire in the box body fast.

Further, the adjusting mechanism comprises a threaded rod, the upper end of the threaded rod is fixedly connected with a rotating handle, the lower end of the rotating handle is rotatably provided with a limiting block, and the lower end of the limiting block is fixedly connected with a first arc plate;

through above-mentioned technical scheme, make threaded rod lift adjustment arc and No. two arc between the interval through rotating the rotating handle, be convenient for fix the electric wire of different diameters.

Further, two color identification blocks which are symmetrically arranged by taking the wiring board as a central axis in a pair of the color identification blocks have the same color, and the colors of four color identification blocks positioned on one side of the wiring board in the color identification blocks are different;

through the technical scheme, the upper ends of the positioning blocks fixed with different wires are conveniently used as distinguishing marks through the color identification blocks, and the circuits are conveniently distinguished rapidly when the circuits in the box body are overhauled.

Further, the upper end of the box body is fixedly connected with a box cover through a plurality of bolts;

through above-mentioned technical scheme, make the box body firm with the fixed of lid, guarantee the stability of terminal box during operation.

The utility model has the following beneficial effects:

1. according to the junction box provided by the utility model, the rubber plug is embedded into the idle connecting mechanism to seal the connecting mechanism, when an electric wire is connected into the box body through the combined pipe and the connecting pipe, one end with the smaller diameter of the rubber pipe stretches into the connecting pipe, the connecting pipe is matched with the electric wire wrapped in the connecting pipe to squeeze the electric wire, so that the extruded bending part of the rubber pipe fills a gap between the connecting pipe and the electric wire, dust and water vapor are prevented from entering the box body through the connecting mechanism, and the tightness of the junction box is improved.

2. According to the junction box provided by the utility model, the upper connecting block and the lower connecting block can be fixed through the fixing mechanism, so that the positioning blocks can be used for quickly fixing wires, the wires in the box body can be conveniently combed, meanwhile, the distances between the first arc-shaped plate and the second arc-shaped plate are adjusted through rotating the rotating handle, the positioning blocks can be conveniently used for clamping and fixing wires with different diameters, the fixing stability is improved, the plurality of positioning blocks are respectively matched with the plurality of color identification blocks to carry out distinguishing marking on the wires in the box body, and the wires in the box body can be conveniently and quickly distinguished when overhauling the wires in the box body.

Drawings

FIG. 1 is a block diagram of a junction box according to the present utility model;

FIG. 2 is a schematic top view of a junction box according to the present utility model;

FIG. 3 is a front cross-sectional view of the positioning block according to the present utility model;

FIG. 4 is an enlarged view of FIG. 3A according to the present utility model;

fig. 5 is a front cross-sectional view showing the structure of the separated part of the connecting mechanism according to the present utility model.

Legend description:

1. a box cover; 2. a case body; 3. a base; 4. a connecting mechanism; 401. a thread sleeve; 402. a threaded tube; 403. a connecting pipe; 404. a combination tube; 5. a positioning block; 501. an upper connecting block; 502. a lower connecting block; 6. a fixing mechanism; 601. a movable rod; 602. pressing the handle; 603. a first spring; 604. a connecting rod; 605. a first bump; 606. a second bump; 607. a fixed block; 7. a wiring board; 8. a rubber tube; 9. an adjusting mechanism; 901. a first arc plate; 902. defining a block; 903. a rotating handle; 904. a threaded rod; 10. a second spring; 11. a second arc plate; 12. a color identification block; 13. a connecting belt; 14. a rubber stopper; 15. a screw; 16. a protective sleeve; 17. the cavity is fixed.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-5, one embodiment provided by the present utility model is: the junction box comprises a base 3, threaded holes are formed in the front end and the rear end of two sides of the base 3, the junction box is conveniently fixed through bolts, a box body 2 is fixedly connected to the middle point of the upper end face of the base 3, connecting mechanisms 4 are fixedly arranged on the front end and the rear end of two sides of the box body 2, each connecting mechanism 4 comprises a threaded sleeve 401 and a threaded pipe 402, a connecting pipe 403 is fixedly sleeved on the inner side of each threaded pipe 402, a combined pipe 404 is fixedly sleeved on the inner side of each threaded sleeve 401, rubber pipes 8 are fixedly connected to the inner sides of the four combined pipes 404 through two screws 15, a protecting sleeve 16 is fixedly arranged on the inner sides of the four rubber pipes 8, and rubber plugs 14 are connected to the outer sides of the four combined pipes 404 through connecting belts 13;

the threaded pipe 402 is fixedly sleeved with the box body 2, the connecting mechanism 4 is plugged into the inner side of the protective sleeve 16 through the rubber plug 14, the protective sleeve 16 is matched with the combined pipe 404 and the two screws 15 to fix the rubber pipe 8, the rubber pipe 8 is prevented from falling off, when an electric wire is connected into the box body 2, the rubber plug 14 is pulled out, the threaded sleeve 401 is rotated to enable the threaded pipe 402 to be partially sleeved with the threaded sleeve 401, one smaller end of the rubber pipe 8 extends into the connecting pipe 403, the electric wire is connected into the box body 2 through the rubber pipe 8 and the connecting pipe 403, the threaded sleeve 401 is rotated to enable the threaded sleeve 401 to be completely sleeved with the threaded pipe 402, the connecting pipe 403 and the electric wire are matched to extrude the rubber pipe 8, a gap between the connecting pipe 403 and the electric wire is filled at the extruded bending part of the rubber pipe 8, and water vapor and dust are prevented from entering the box body 2 through the gap when the electric wire is lifted into the box body 2;

the wiring board 7 is fixedly arranged at the midpoint of the lower end of the inner wall of the box body 2, four positioning blocks 5 are fixedly connected to the lower end of the inner wall of the box body 2 at two sides of the wiring board 7, a fixing cavity 17 is formed at the midpoint of one side inside the plurality of positioning blocks 5, a second arc-shaped plate 11 is connected to the lower end of the inner side of the plurality of fixing cavities 17 through two second springs 10, an adjusting mechanism 9 is embedded into the midpoint of one side of the upper end of the plurality of positioning blocks 5, the wires in the box body 2 are clamped and fixed through the fixing cavity 17 in cooperation with the second arc-shaped plate 11, the adjusting mechanism 9 and the two second springs 10, the wires are conveniently carded, a fixing mechanism 6 is embedded into the midpoint of one side of the plurality of positioning blocks 5, a color identification block 12 is fixedly arranged at the midpoint of the other side of the upper end face of the plurality of positioning blocks 5, one end of the outer side of a threaded pipe 402 is in threaded sleeve 401, the diameter of a rubber pipe 8 is gradually reduced by one side of the threaded pipe 402, and one end of the rubber pipe 8 with the smaller diameter can be sleeved between the connecting pipe 403 and the wires;

the positioning block 5 comprises an upper connecting block 501 and a lower connecting block 502, one sides of the upper connecting block 501 and the lower connecting block 502 are hinged through a hinge, the fixing mechanism 6 comprises a connecting rod 604 and a fixing block 607, the connecting rod 604 is connected with the positioning block 5 through a first spring 603, the upper end of the connecting rod 604 is fixedly connected with a movable rod 601, one end of the movable rod 601 outside the positioning block 5 is fixedly connected with a pressing handle 602, the lower end of the connecting rod 604 is fixedly connected with a second bump 606, the upper end of the fixing block 607 is fixedly connected with a first bump 605, the adjusting mechanism 9 comprises a threaded rod 904, the upper end of the threaded rod 904 is fixedly connected with a rotating handle 903, the lower end of the rotating handle 903 is rotatably provided with a limiting block 902, and the lower end of the limiting block 902 is fixedly connected with a first arc 901;

the fixed block 607 is fixedly connected with the lower connecting block 502, the pressing handle 602 is pressed in the upward connecting block 501 to enable the positioning block 5 to rotate and open, the electric wire is placed at the lower end of the fixed cavity 17, when the positioning block 5 is closed, the first bump 605 and the second bump 606 are provided with curved surfaces, the curved surfaces of the first bump 605 prop against the second bump 606 and push the second bump 606 to move in the upward connecting block 501, the first spring 603 rebounds to push the connecting rod 604 to drive the second bump 606 to be embedded in the first bump 605, the upper connecting block 501 and the lower connecting block 502 are fixed, the second arc plate 11 and the first arc plate 901 clamp and fix the electric wire threaded rod 904 in the fixed cavity 17, the threaded rod 904 is sleeved with the upper connecting block 501 in a threaded manner, the rotating handle 903 is rotated to adjust the length of the threaded rod 904 extending into the fixed cavity 17, and then the distance between the first arc plate 901 and the second arc plate 11 is adjusted, and electric wires with different diameters are convenient to fix;

two color identification blocks 12 which are symmetrically arranged by taking the wiring board 7 as a central axis are identical in color, four color identification blocks 12 which are positioned on one side of the wiring board 7 in the color identification blocks 12 are different in color, different lines are required to be distinguished by distinguishing the colors of the electric wires which are connected into the wiring box simultaneously, the color identification blocks 12 are respectively used as marks at the upper ends of the positioning blocks 5, so that the electric wires which are fixed to the positioning blocks 5 are distinguished more quickly, different lines are conveniently distinguished, the upper end of the box body 2 is fixedly connected with the box cover 1 through a plurality of bolts, and the box cover 1 and the box body 2 are fixedly firm.

Working principle: the rubber plug 14 is pulled out from the protective sleeve 16, the threaded sleeve 401 is rotated to enable the smaller end part of the diameter of the rubber tube 8 to extend into the connecting tube 403, the electric wire is connected into the box body 2 through the rubber tube 8 and the connecting tube 403, the threaded sleeve 401 is rotated to enable the connecting tube 403 and the electric wire to be matched with the smaller end of the diameter of the rubber tube 8, the rubber tube 8 is extruded and bent and plugs the gap between the electric wire and the connecting tube 403, dust and water vapor are prevented from entering the box body 2, the pressing handle 602 is pressed and rotated to open the positioning blocks 5, different electric wires are placed in the fixing cavity 17 respectively, the fixing mechanism 6 enables the upper connecting block 501 and the lower connecting block 502 to be fixed after being closed, the electric wires are clamped and fixed through the arc-shaped plate 901 and the arc-shaped plate 11, the electric wires with different diameters are conveniently fixed in the fixing cavities 17 respectively, the distance between the arc-shaped plate 901 and the arc-shaped plate 11 is conveniently fixed through rotating the rotating handle 903, and the electric wires with different diameters are conveniently distinguished as marks of different lines through the color identification blocks 12.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. Terminal box, including base (3), its characterized in that: the novel combined type solar cell module is characterized in that a box body (2) is fixedly connected to the middle point of the upper end face of the base (3), connecting mechanisms (4) are fixedly arranged at the front end and the rear end of the two sides of the box body (2), each connecting mechanism (4) comprises a threaded sleeve (401) and a threaded tube (402), a connecting tube (403) is fixedly sleeved on the inner side of each threaded tube (402), a combined tube (404) is fixedly sleeved on the inner side of each threaded sleeve (401), rubber tubes (8) are fixedly connected to the inner side of each combined tube (404) through two screws (15), protective sleeves (16) are fixedly arranged on the inner sides of the rubber tubes (8), rubber plugs (14) are connected to the outer sides of the combined tubes (404) through connecting belts (13), and a wiring board (7) is fixedly arranged at the middle point of the lower end of the inner wall of the box body (2);

four locating pieces (5) are fixedly connected to the lower end of the inner wall of the box body (2) on two sides of the wiring board (7), a plurality of fixing cavities (17) are formed in middle points of one side of the inside of the locating pieces (5), a plurality of arc plates (11) are connected to the lower end of the inside of the fixing cavities (17) through two springs (10), an adjusting mechanism (9) is embedded into middle points of one side of the upper end of each locating piece (5), a plurality of fixing mechanisms (6) are embedded into middle points of one side of each locating piece (5), and color identification blocks (12) are fixedly arranged on middle points of the other side of the upper end of each locating piece (5).

2. A junction box according to claim 1, characterized in that: one end of the outer side of the threaded pipe (402) is in threaded sleeve joint with the threaded sleeve (401), and the diameter of the rubber pipe (8) near one side of the threaded pipe (402) is gradually reduced.

3. A junction box according to claim 1, characterized in that: the positioning block (5) comprises an upper connecting block (501) and a lower connecting block (502), and one sides of the upper connecting block (501) and the lower connecting block (502) are hinged through a hinge.

4. A junction box according to claim 1, characterized in that: the fixing mechanism (6) comprises a connecting rod (604) and a fixing block (607), the connecting rod (604) is connected with the positioning block (5) through a first spring (603), the upper end of the connecting rod (604) is fixedly connected with a movable rod (601), the movable rod (601) is fixedly connected with a pressing handle (602) at one end outside the positioning block (5), the lower end of the connecting rod (604) is fixedly connected with a second bump (606), and the upper end of the fixing block (607) is fixedly connected with a first bump (605).

5. A junction box according to claim 1, characterized in that: the adjusting mechanism (9) comprises a threaded rod (904), a rotating handle (903) is fixedly connected to the upper end of the threaded rod (904), a limiting block (902) is rotatably arranged at the lower end of the rotating handle (903), and a first arc-shaped plate (901) is connected to the lower end of the limiting block (902).

6. A junction box according to claim 1, characterized in that: two color identification blocks (12) which are symmetrically arranged by taking the wiring board (7) as a central axis are identical in color, and four color identification blocks (12) positioned on one side of the wiring board (7) in the color identification blocks (12) are different in color.

7. A junction box according to claim 1, characterized in that: the upper end of the box body (2) is fixedly connected with a box cover (1) through a plurality of bolts.