CN211701366U - A junction box for easy cable management - Google Patents

Abstract

The utility model relates to the technical field of junction boxes, in particular to a junction box which is convenient for wire management. Its specific technical scheme is as follows: it includes a box body embedded in the wall and an outer shell which is sealed and connected to the box body; one side of the box body is dug with a wire inlet through hole for connecting the wire pipeline, and the box body is connected with a branch block. , there are a plurality of branching grooves dug on the branching block, the branching grooves extend axially along the inlet through holes, and the straight sections of the wires are stored in the branching grooves; the end of the branching grooves away from the feeding through holes is useful A wiring device for connecting incoming lines of splice sections of different wires. The utility model conveniently completes the orderly placement of a plurality of wires in the junction box by digging a plurality of wire dividing grooves on the wire dividing block, and fixing the wiring device in the wire dividing groove.

Description

A junction box for easy cable management

technical field

The utility model relates to the technical field of junction boxes, in particular to a junction box which is convenient for wire management.

Background technique

In home decoration, wires are mostly stored in wire conduits and junction boxes. The wires generally include a straight section covered by an insulating rubber sleeve and a joint section used for electrical connection with other wires and electrical components; the straight section is usually protected by a wire conduit, and the exposed joint section is Most of them are protected and stored by junction boxes.

For example, a Chinese patent with publication number CN208539493U discloses a junction box that is easy to install and fix. The main points of the technical solution are: including a junction box body, a connecting block, a first fixing block, a second wire hole and a fixing hole, and the junction box body is on the A junction box inner shell and a junction box outer shell are arranged in sequence, the junction box shell is provided with a card slot, the connecting block is arranged on the outside of the junction box inner shell, the first fixing block is arranged above the second fixing block by screws, and the first fixing block is arranged on the top of the second fixing block. The inner side of the block and the second fixing block is provided with a wire splitting groove, and the wire splitting groove on the inner side of the first fixing block is connected with the pressing head through a pressing spring, and the second wire hole and the fixing hole respectively penetrate through the inner shell of the junction box. The bottom surface of the junction box is provided with a terminal at the center of the bottom surface of the inner shell of the junction box.

Although the above-mentioned Chinese patent can better limit the position of a single wire through the cooperation of the first fixing block, the second fixing block and the pressing head, so that the wire will not be easily loosened; but in actual life, it is stored in There are generally multiple wires in the junction box, and the connection relationship between the multiple wires is relatively complicated. If only the cooperation of the pressing head and the pressing spring is used, it is impossible to limit the position of multiple wires. The wires may also be entangled with each other during the limiting process, which will greatly hinder the user's subsequent maintenance work.

Therefore, a new technical solution is required to solve the above problems.

Utility model content

In view of the deficiencies of the prior art, the purpose of the present invention is to provide a junction box that is convenient for wire management, which can conveniently complete the orderly placement of multiple wires in the junction box.

The above-mentioned utility model purpose of the present utility model is achieved through the following technical solutions:

A junction box convenient for wire management, comprising a box body embedded in a wall and an outer shell sealed and connected to the box body; one side of the box body is excavated with a wire inlet through hole for connecting wire pipes, and the box body is connected with a wire inlet through hole. Splitting block, there are a plurality of splitting grooves dug on the splitting block, the splitting groove extends axially along the incoming wire through hole, and the straight section of the wire is stored in the splitting groove; the wire splitting groove is far from the feeding through hole. One end is connected with a wiring device for incoming connection of splice segments of different wires.

By adopting the above technical solution, when multiple wires extend into the junction box through the cooperation between the wire duct and the wire inlet through hole; the user can first screen the multiple wires to sort out the connection between the wires. Then use the multiple distribution slots dug on the distribution block to isolate the wires with different connection relationships to ensure that there is a certain connection relationship between the wires located in the same distribution slot, so as to achieve multiple The orderly placement of each wire in the junction box;

As for the setting of the junction device, it is to limit and protect the joint section of the wire, and to ensure a good electrical connection effect between multiple wires located in the same distribution slot, so as to further strengthen the connection between the junction box. Wire storage.

In a preferred example of the present invention, the wiring device can be further configured as follows: the wiring device includes a connecting plate and a locking bolt; the connecting plate is accommodated in the wire splitting slot and its peripheral walls are in contact with the inner walls on both sides of the wire splitting slot, and the connecting plate is along the There are two locking columns in the depth direction of the box body; the locking bolts are threadedly connected between the two locking columns and their penetration ends are chamfered, and the joint segments of the plurality of wires are pressed against the ends of the locking bolts and the upper surface of the connecting plate between.

By adopting the above technical solution, the joint sections of different electric wires located in the same distribution slot are pressed against the area between the connecting plate and the locking bolt by the cooperation of the two locking columns and the locking bolts on the connecting plate, so as to To ensure a relatively stable electrical connection effect between the wires;

The chamfering of the penetrating end of the locking bolt is to prevent the edge of the penetrating end of the locking bolt from causing damage to the joint section of the electric wire; as for the reason why the connecting plate is set to carry two locking columns, on the one hand, it is to facilitate the two locking The machining of the thread on the column, on the other hand, is to facilitate the placement of the two locking columns in the splitter groove.

In a preferred example of the present invention, it can be further configured as follows: the inner wall of the wire splitting slot is provided with a plurality of sets of limiting pieces, each set of limiting pieces includes two elastic incoming line clamps, two incoming line clamps Symmetrically distributed on the inner walls of both sides of the distribution slot, and the distance between the two incoming cable blocks is smaller than the diameter of the wire.

By adopting the above technical solution, when the number of wires is large, due to the characteristics of easy bending of wires, the existence of the wire splitting slot alone cannot properly limit the straight sections of multiple wires, so it is easy to appear some wires. The situation that the straight section protrudes out of the distribution slot occurs, which makes the actual distribution effect of the distribution slot not good; however, the use of the clamping blocks set on the inner walls of both sides of the distribution slot can effectively prevent the wires from passing through the distribution slot. The protruding out, so that the distribution channel can successfully complete the separation and limit of multiple wires.

In a preferred example of the present invention, it can be further configured as follows: the bottom surface of the wire distribution slot is dug with a plurality of through-holes for wire management along the depth direction of the box body, the through-holes for wire management correspond to the limiting pieces one-to-one, and the through-holes for wire management are in one-to-one correspondence. The through hole is located just below the corresponding limiter.

By adopting the above technical solution, when multiple wires are stored in the distribution slot in an orderly manner, due to the existence of multiple sets of limiters, it becomes more inconvenient to remove the wires from the distribution slot. If set, a certain operating space can be provided for taking out the wires from the wire distribution slot, so that the user can push the wires out of the wire distribution slot from the bottom of the wire distribution slot.

In a preferred example of the present invention, it can be further configured as follows: an elastic limit block can be detachably connected to the side of the line dividing block close to the wire inlet through hole, and the side of the elastic limit block facing the line dividing block is an arc. The line dividing block is provided with a circular arc-shaped harness groove at the projected position of the elastic limit block.

By adopting the above technical solution, when multiple wires extend into the junction box, the straight sections of the multiple wires are separated and limited by multiple wire splitting slots; With the wiring device to limit the two ends of the wire, so as to ensure that multiple wires can be better stored in the junction box.

In a preferred example of the present invention, it can be further configured as follows: the box body is provided with support blocks on both sides, a metal plate is clamped between the two support blocks, the metal plate is in a "U" shape, and the metal plate is recessed inward. The area of the box is called the clamping cavity, and the splitting block is stored in the clamping cavity; two fastening bolts are pierced through the shell, and the two fastening bolts extend downward along the depth direction of the box body and pass through both sides of the metal plate respectively. The outgoing end is threadedly connected with the support block.

By adopting the above technical solution, the clamping cavity on the metal plate is used to limit and accommodate the distribution block, thereby enhancing the overall structural strength of the distribution block;

As for the support blocks arranged on both sides of the box body, on the one hand, it is to cooperate with the existence of the metal plate to realize the connection between the branch block and the box body, and on the other hand, it is to provide connection space for the screwing of the fastening bolts. Ensure a firm connection between the box body, the casing and the metal plate.

In a preferred example of the present invention, it can be further configured as follows: the two sides of the dividing block are provided with elastic clamping blocks, the inner walls of both sides of the clamping cavity are dug with clamping grooves for matching the elastic clamping blocks, and the clamping grooves are along the depth of the box body. extending in the direction, the elastic clamping block is pressed against the card slot; the bottom of the branching block is provided with a plurality of connecting columns, and the bottom surface of the clamping cavity is dug with a plurality of connecting through holes, and the connecting through holes correspond to the connecting columns one-to-one, and the connecting columns face downwards. through the corresponding connection vias.

By adopting the above technical solution, the cooperation between the elastic block and the card slot, and the cooperation between the connecting column and the connecting through hole are used to further limit the two sides and the bottom of the distribution block, so as to strengthen the connection between the distribution block and the metal plate. The connection relationship ensures the stable placement of the distribution block in the box.

In a preferred example of the present invention, it can be further configured as follows: the bottom end of the connecting column is provided with an insertion hole, the box body is provided with an elastic insertion rod for matching the insertion hole at the projected position of the connection column, and the elastic insertion rod extends upward. and inserted into the socket.

By adopting the above technical solution, the connection between the box body and the distribution block is further strengthened by the cooperation of the jack and the elastic insertion rod, so as to ensure the stable placement of the distribution block and the metal plate in the box body; It is fully utilized, and the overall structural strength of the junction box is correspondingly increased.

To sum up, the present utility model includes the following beneficial technical effects:

1. Using the cooperation of the joint slot and the wire splitting slot, the multiple wires in the telescopic box are arranged and stored to ensure that the multiple wires are stored and placed in the junction box in an orderly manner, which greatly facilitates subsequent users. maintenance operations;

2. The limiter set on the inner wall of the distribution slot and the existence of the upper limit device of the distribution block are used to fully limit the position of the wire, avoiding the random bending of the wire in the junction box.

Description of drawings

Fig. 1 is the structural representation of embodiment;

Fig. 2 is the exploded view of the present embodiment;

Fig. 3 is the first part diagram of this embodiment, showing the structure of the box body and the metal plate;

Fig. 4 is the second part diagram of the present embodiment, showing the relevant structure of the front side of the dividing block;

FIG. 5 is a third component diagram of the present embodiment, showing the related structure of the backside of the splitter block.

Reference numerals: 1. Box body; 2. Shell; 3. Distribution block; 4. Balance column; 5. Wiring device; 6. Locking bolt; 7. Distribution slot; Limit block; 10, wire harness slot; 11, connecting plate; 12, locking column; 13, support block; 14, metal plate; 15, snap cavity; 16, elastic block; 17, card slot; 18, connection through hole; 19, connecting column; 20, jack; 21, elastic insert rod; 22, through hole for wire management; 23, fastening bolt; 24, through hole for incoming wire; 25, sealing bolt; 26, through hole for sealing.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

Referring to Figure 1, it is a junction box disclosed by the utility model that is convenient for wire management, including a box body 1 embedded in the wall and an outer shell 2 sealingly connected to it; the box body 1 and the outer shell 2 are connected by two sealing bolts. 25 Incoming wire connection, a circular incoming wire through hole 24 is dug on one side of the box body 1, and the wire conduit is communicated with the junction box through the incoming wire through hole 24.

As shown in Figures 2 and 3, support blocks 13 are provided on both sides of the inner wall of the box body 1, and a "U"-shaped metal plate 14 is clamped between the two support blocks 13. The two sides of the metal plate 14 are along the axis of the sealing bolt 25. A sealing through hole 26 is dug to the side, and the sealing bolt 25 passes through the sealing through hole 26 and is threadedly connected with the support block 13; the concave area in the middle of the metal plate 14 is called the clamping cavity 15. Breakout block 3 for multiple wires.

By screwing the two sealing bolts 25 with the two supporting blocks 13 respectively, the sealed connection between the casing 2 and the box body 1 is realized; since the supporting block 13 has a certain volume and has a large contact area with the box body 1, Therefore, the connection between the box body 1 and the casing 2 will have better structural strength, which enables the junction box to have a longer service life.

As for the purpose of arranging the metal plate 14, it is to cooperate with the existence of the two support blocks 13 to limit and protect the two sides and the bottom surface of the splitter block 3, which not only enables the splitter block 3 to be placed in the box body 1 stably , so that the user can successfully complete the arrangement of multiple wires on the splitter block 3; the structural strength of the splitter block 3 is also strengthened accordingly.

In order to further strengthen the connection between the box body 1 and the splitter block 3, square elastic blocks 16 are also provided on both sides of the splitter block 3, and the inner walls on both sides of the snap cavity 15 are dug along the thickness direction of the box body 1 to cooperate with each other. The slot 17 of the elastic clip 16 corresponds to the slot 17 one-to-one with the elastic clip 16 .

As shown in Figures 3 and 5, three circular connecting through holes 18 are dug on the bottom surface of the clamping cavity 15 along the thickness direction of the box body 1, and three connecting posts 19 are correspondingly provided at the bottom of the distribution block 3, and the connecting posts 19 face downwards. Passing through the corresponding connecting through holes 18, the outgoing end is dug with an insertion hole 20 along the thickness direction of the box body 1, and the bottom surface of the box body 1 is provided with three elastic insertion rods 21 for matching the insertion hole 20, and the elastic insertion rod 21 is partially It is accommodated in the jack 20 .

As shown in Figs. 3 and 4, the distribution block 3 is provided with three distribution grooves 7, and the three distribution grooves 7 all extend axially along the wire inlet through hole 24; the wire distribution groove 7 is far from the wire inlet through hole One side of the 24 houses the wiring device 5; the wiring device 5 includes the locking bolt 6 and the connecting plate 11, the connecting plate 11 is welded in the wiring slot 7, and the upper surface of the connecting plate 11 is provided with two semicircles along the depth direction of the box body 1 Shaped locking posts 12 , and the locking bolts 6 are threadedly connected between the two locking posts 12 .

By stacking the joint segments of multiple wires located in the same distribution slot 7 on the upper surface of the connecting plate 11 and tightening the locking bolts 6, the position limit of the multiple wire joint segments can be completed to ensure that they are located in the same distribution slot. The multiple wires in 7 can have a relatively stable electrical connection relationship. At the same time, in order to prevent the edge of the penetration end of the locking bolt 6 from causing damage to the wire connector section, the penetration end of the locking bolt 6 is also chamfered.

Compared with the method of directly arranging the two locking posts 12 in the wire splitting slot 7, the method of using the connecting plate 11 to carry the two locking posts 12 can prevent the two locking posts 12 from being affected by the wire splitting slot during thread processing. 7. Constraints of narrow space, so as to ensure that the wiring device 5 can have more efficient processing and production efficiency.

In order to further strengthen the limiting effect of the wire splitting slot 7 on the straight section of the wire, there are also two sets of limiters on the inner walls of the two sides of the wire splitter 7, and each set of limiters includes two elastic incoming line blocks. 8. The distance between the two incoming wire blocks 8 is smaller than the diameter of the straight section of the wire; because there is a gap between the two elastic stop blocks 9, after the user completes the screening of multiple wires, the Put the straight section of the wire into the appropriate distribution slot 7 quickly with the gap between the incoming wire clips 8; and after the user's manipulation, the deformation and bending of the straight section of the wire alone will make it difficult to Overcoming the obstruction of the two incoming wire blocking blocks 8, it cannot extend from the gap between the two incoming wire blocking blocks 8, which enables the wire splitting slot 7 to better limit and store multiple wires.

At the same time, two wire management through holes 22 are dug along the thickness direction of the box body 1 at the bottom of each wire distribution slot 7. The wire management through holes 22 correspond to the limiters one-to-one. Using the existence of the wire management through holes 22, when When the user needs to take out the wires from the wire distribution slot 7, he only needs to put his finger into the wire management through hole 22, and the wires placed in the wire distribution slot 7 can be easily pushed out.

An elastic limit block 9 is also provided on the side of the branch block 3 close to the wire inlet through hole 24 , and fastening bolts 23 are pierced on both sides of the elastic limit block 9 , and the fastening bolts 23 are downward along the depth direction of the box body 1 . Pass through the elastic limiting block 9 and the line dividing block 3 in sequence, the penetrating end is threadedly connected to the box body 1 through the balance column 4 , and one end of the balance column 4 is in contact with the bottom surface of the line dividing block 3 .

The side of the elastic limiting block 9 facing the line dividing block 3 is an arc surface, and the line dividing block 3 has a circular arc-shaped harness groove 10 dug at the projected position of the elastic limiting block 9 .

By tightening the fastening bolts 23, the elastic limit block 9 is firmly abutted against the wire splitting block 3, so that the wire entering from the wire inlet through hole 24 is confined to the space between the arc surface of the elastic limit block 9 and the wire harness groove 10. In the area, with the wiring device 5 accommodated in the distribution slot 7, the position limitation of both ends of the wire is completed, so that the wire can be fully accommodated in the junction box.

As for the setting of the balance column 4, on the one hand, it is to support the splitter block 3 and ensure the stable placement of the splitter block 3 in the box body 1; on the other hand, it is to cooperate with the fastening bolts 23 to strengthen the splitter block. 3 and the connection between the box body 1.

working principle:

First, the metal plate 14 is clamped between the two support blocks 13, and then the dividing block 3 is inserted into the clamping cavity 15 along the clamping slot 17; The through holes 24 pass a plurality of wires into the box body 1 , and then divide the wires into two or three strands according to the connection relationship between the wires, and place each wire in a separate wiring slot 7 .

Then adjust the position of the wires so that the joint sections of the multiple wires located in the same branching slot 7 all abut on the connecting plate 11 welded in the branching slot 7, and then tighten the locking bolt 6, so that the joint sections of the wires are all Abut between the connecting plate 11 and the locking bolt 6 .

Then, the elastic limit block 9 is also abutted on the splitter block 3, so that multiple wires are stored in the area between the arc surface of the elastic limit block 9 and the wire harness groove 10, and then the two fastening bolts 23 are tightened. ; Finally cover the housing 2 and tighten the sealing bolt 25.

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the present invention are It should be covered within the protection scope of the present invention.

Claims (8)

1. The utility model provides a terminal box convenient to reason line which characterized in that: comprises a box body (1) embedded in a wall body and a shell (2) hermetically connected to the box body (1); an incoming line through hole (24) for connecting a wire pipeline is dug in one side of the box body (1), a branching block (3) is connected in the box body (1), a plurality of branching grooves (7) are dug in the branching block (3), the branching grooves (7) axially extend along the incoming line through hole (24), and straight sections of wires are contained in the branching grooves (7); one end of the wire dividing groove (7) far away from the feeding through hole is connected with a wiring device (5) for connecting the lead-in wires of the connector sections of different wires.

2. The junction box facilitating wire management according to claim 1, wherein: the wiring device (5) comprises a connecting plate (11) and a locking bolt (6); the connecting plate (11) is accommodated in the wire dividing groove (7), the peripheral wall of the connecting plate is abutted against the inner walls of the two sides of the wire dividing groove (7), and the connecting plate (11) is provided with two locking columns (12) along the depth direction of the box body (1); the locking bolt (6) is in threaded connection between the two locking columns (12), the penetrating end of the locking bolt is inverted with a chamfer, and the joint sections of the electric wires are tightly propped against the end part of the locking bolt (6) and the upper surface of the connecting plate (11).

3. The junction box facilitating wire management according to claim 1, wherein: divide wire casing (7) inner wall to be equipped with the multiunit locating part, every locating part of group all includes two elastic inlet wire fixture blocks (8), and two inlet wire fixture blocks (8) symmetric distribution are in the both sides inner wall of branch wire casing (7), and the interval between two inlet wire fixture blocks (8) is less than the diameter size of electric wire.

4. The junction box facilitating wire management according to claim 3, wherein: the bottom surface of the wire distributing groove (7) is dug along the depth direction of the box body (1) to form a plurality of wire arranging through holes (22), the wire arranging through holes (22) correspond to the limiting parts one by one, and the wire arranging through holes (22) are located under the corresponding limiting parts.

5. The junction box facilitating wire management according to claim 1, wherein: an elastic limiting block (9) is detachably connected to one side, close to the wire inlet through hole (24), of the wire distributing block (3), and one side, facing the wire distributing block (3), of the elastic limiting block (9) is an arc surface; the projection position of the wire distributing block (3) on the elastic limiting block (9) is dug with a circular arc-shaped wire bundling groove (10).

6. The junction box facilitating wire management according to claim 1, wherein: supporting blocks (13) are arranged on two sides of the box body (1), a metal plate (14) is clamped between the two supporting blocks (13), the metal plate (14) is U-shaped, an inwards concave area of the metal plate (14) is called as a clamping cavity (15), and the wire dividing block (3) is accommodated in the clamping cavity (15); two fastening bolts (23) penetrate through the shell (2), the two fastening bolts (23) extend downwards along the depth direction of the box body (1) and respectively penetrate through two sides of the metal plate (14), and the penetrating ends are in threaded connection with the supporting blocks (13).

7. The junction box facilitating wire management according to claim 6, wherein: elastic clamping blocks (16) are arranged on two sides of the wire dividing block (3), clamping grooves (17) used for being matched with the elastic clamping blocks (16) are formed in the inner walls of two sides of the clamping cavity (15) in a digging mode, the clamping grooves (17) extend in the depth direction of the box body (1), and the elastic clamping blocks (16) are abutted to the clamping grooves (17); the bottom of the wire distributing block (3) is provided with a plurality of connecting columns (19), the bottom surface of the clamping cavity (15) is dug to be provided with a plurality of connecting through holes (18), the connecting through holes (18) are in one-to-one correspondence with the connecting columns (19), and the connecting columns (19) downwards penetrate through the corresponding connecting through holes (18).

8. The junction box facilitating wire management according to claim 7, wherein: the bottom end of the connecting column (19) is dug to be provided with a jack (20), the projection position of the connecting column (19) of the box body (1) is provided with an elastic inserted bar (21) used for being matched with the jack (20), and the elastic inserted bar (21) extends upwards and is inserted into the jack (20).

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