CN111129810B

CN111129810B - Multifunctional splice box

Info

Publication number: CN111129810B
Application number: CN201911308491.5A
Authority: CN
Inventors: 谢利兵; 邓智; 陈实; 柳保林
Original assignee: Huizhou Cdn Industrial Development Co ltd
Current assignee: Huizhou Cdn Industrial Development Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2024-07-02
Anticipated expiration: 2039-12-18
Also published as: CN111129810A

Abstract

The invention relates to a multifunctional splice box, which comprises a splice box and a splice head matched with the side wall of the splice box, wherein a plurality of conductors which are mutually nested are arranged in the splice box, the side wall of the splice box is provided with a mounting groove and a first fastening structure, a first plug block and a second fastening structure extend out of the first end of the splice head towards the direction of the splice box, and the splice head is inserted and mounted in the mounting groove through the first plug block and fastened with the first fastening structure through the second fastening structure; the first conductive contact piece of the connector extends out of the first end of the connector to be respectively in contact conduction with each conductor in the splice box. The splice box can realize the distinction of different polarities when in low-voltage use, and can realize the splicing of splice pieces in different directions through the spliced heads which are matched with the splice box and can be spliced, so that the splice box is convenient to install and detach, small in size and low in cost, and can be modified only by replacing the corresponding spliced heads in the later modification.

Description

Multifunctional splice box

Technical Field

The invention relates to the technical field of splicing of guide rail strips or bridge systems, in particular to a multifunctional splicing box.

Background

At present, most of the splicing between guide rail strips or bridge systems in the market adopts four splicing structures, such as a cross type connecting head, a T type connecting head, an L type connecting head and an I type connecting head, when the splicing structures are adopted for splicing, in order to ensure the safety performance of the products after splicing, the guide rail strips or bridge systems and the splicing structures are fixedly connected in a fixed connection mode, the connection mode is inconvenient for disassembly and maintenance, and meanwhile, the products after splicing by adopting the splicing structures are inconvenient for later modification, such as the cross type is changed into the L type, the cross type is required to be wasted, the L type is purchased, the cost is high, the size is large, and the conventional connecting heads in the market cannot distinguish polarities during low-voltage input and are high in cost, and the installation of users is complex.

Disclosure of Invention

The invention provides a multifunctional splice box for overcoming the problems in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows:

the multifunctional splice box comprises a splice box and a splice head matched with the side wall of the splice box, wherein a plurality of conductors which are mutually nested are arranged in the splice box, a mounting groove and a first fastening structure are formed in the side wall of the splice box, a first insertion block matched with the mounting groove and a second fastening structure matched with the first fastening structure extend from a first end of the splice head corresponding to the side wall of the splice box towards the direction of the splice box, the splice head is inserted and installed in the mounting groove through the first insertion block and fastened with the first fastening structure through the second fastening structure, and a second end of the splice head back to the side wall of the splice box is inserted and fastened with a splice piece to be spliced; the first conductive contact piece of the connector extends out of the first end of the connector to be respectively in contact conduction with each conductor in the splice box.

Further, as a preferable technical scheme, the mounting groove is positioned in the middle of the side wall of the splice box, the first fastening structure is positioned on the inner wall of the mounting groove, and two slots are arranged in the mounting groove; the second fastening structure is located on the first inserting block, and inserting strips matched with the slots extend outwards from two side ends of one face, opposite to the side wall of the splicing box, of the first inserting block.

Further, as a preferable technical scheme, the two slots are respectively positioned on two side walls of the mounting groove or on two ends of the inner wall of the mounting groove; the two slot structures are the same or different.

Further, as a preferable technical scheme, the mounting groove is located at two ends of the side wall of the splice box, the first inserting blocks extend along two sides of the first end of the connector to the side wall of the splice box, and the second fastening structure is located between the two first inserting blocks; the two mounting grooves at the two ends of the side wall of the splice box are identical or different in structure.

Further, as a preferable technical scheme, the first inserting piece extends outwards from two ends of one surface of the first inserting piece, which is opposite to the side wall of the splicing box.

Further, as a preferable technical scheme, the second inserting piece extends from two ends of one surface of the first inserting piece, which is opposite to the side wall of the splicing box, to the direction of the splicing piece.

Further, as a preferred technical scheme, the first fastening structure includes a first hook disposed at an upper end of a side wall of the splice box and a second hook disposed at a lower end of the side wall of the splice box, and the second fastening structure includes a third hook matched with the first hook and a fastening groove matched with the second hook.

Further, as a preferable technical scheme, the splice box comprises a box body with an installation space arranged therein and a cover body matched with the box body, wherein the first clasp is positioned on the cover body, and the second clasp is positioned at the lower end of the box body; the second clasp is of a spring clasp structure, and a groove which can enable the second clasp to move is formed in the position, opposite to the second clasp, of the side wall of the box body.

Further, as a preferred technical scheme, the electric conductors at least comprise a first electric conductor and a second electric conductor, the first electric conductor and the second electric conductor respectively comprise second electric conductive contacts and third electric conductive contacts which are the same as the side walls of the splice box in number, and the second electric conductive contacts and the third electric conductive contacts of the first electric conductive contacts, which are positioned on the same side walls of the splice box, of the first electric conductors and the second electric conductors are respectively in contact conduction with the first electric conductive contacts of the splice head.

Further, as a preferable technical scheme, the electric conductor further comprises a third electric conductor; the third conductor comprises fourth conductive contacts with the same number as the side walls of the splice box, and the second conductive contacts, the third conductive contacts and the fourth conductive contacts of the first conductor, the second conductor and the third conductor which are positioned on the same side wall of the splice box are respectively in contact conduction with the first conductive contacts with the same polarity as the first conductive contacts of the splice head.

Further, as a preferable technical scheme, the first conductor further includes a first body, and the plurality of second conductive contacts extend downwards along a circumference of the first body and are respectively arranged corresponding to each side wall of the splice box; the second conductor further comprises a second body, and a plurality of third conductive contact pieces extend downwards along the periphery of the second body and are respectively arranged corresponding to each side wall of the splice box; the third conductor further comprises a third body, a plurality of fourth conductive contact pieces extend upwards along the circumference of the third body and are respectively arranged corresponding to each side wall of the splice box, and the second conductive contact pieces, the third conductive contact pieces and the fourth conductive contact pieces which are positioned on the same side wall of the splice box are arranged in an isolated mode.

Further, as a preferred technical scheme, a first clamping groove for limiting the second conductive contact, a second clamping groove for limiting the third conductive contact and a third clamping groove for limiting the fourth conductive contact are respectively arranged on the side wall of the splicing box, and the first conductive contact of the connection head, which has the same polarity as the first conductive body, the second conductive body and the third conductive body, respectively extends into the first clamping groove, the second clamping groove and the third clamping groove to be in contact conduction with the second conductive contact, the third conductive contact and the fourth conductive contact.

Further, as a preferred technical scheme, the splice box further comprises a connecting block arranged on the side wall of the splice box, which is not required to be spliced, wherein a second inserting block matched with the mounting groove and a third fastening structure matched with the first fastening structure extend out of the corresponding side wall of the connecting block and facing the direction of the splice box, the second inserting block is identical to the first inserting block in structure, and the third fastening structure is identical to the second fastening structure in structure.

Further, as a preferable technical scheme, the splicing piece comprises a guide rail strip or a bridge system, and the fifth conductive contact piece positioned at the second end of the connector extends out of two sides of the connector to be in contact conduction with the guide rail strip or the bridge system.

Compared with the prior art, the technical scheme of the invention has the beneficial effects that:

The splicing box structure can realize the distinction of different polarities when in low-voltage use, and simultaneously realizes the splicing of guide rail strips or bridge systems in different directions through the splicing heads which are matched with the splicing boxes and can be spliced, so that the splicing box structure is convenient to install and disassemble, small in size and low in cost, and can finish the refitting only by replacing the corresponding splicing heads in the later period.

Drawings

Fig. 1 is a splice diagram of the present invention.

Fig. 2 is a view of the installation of the connector and splice of the present invention.

Fig. 3 is a block diagram of a splice cassette of the present invention.

Fig. 4 is an exploded view of the splice cassette of the present invention.

Fig. 5 is a view showing the installation of the conductor according to the present invention.

Fig. 6 is a block diagram of a connector head according to the present invention.

Fig. 7 is a block diagram of a splice according to embodiment 1 of the present invention.

Fig. 8 is a block diagram of a splice cassette according to embodiment 2 of the present invention.

Fig. 9 is a block diagram of a connector head according to embodiment 2 of the present invention.

Fig. 10 is a block diagram of a splice according to embodiment 3 of the present invention.

Fig. 11 is a block diagram of embodiment 3 of the present invention.

Fig. 12 is a block diagram of a connector head according to embodiment 3 of the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar components; the terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limiting the present patent.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the attached drawings so that the advantages and features of the present invention will be more readily understood by those skilled in the art, thereby more clearly defining the scope of the present invention.

Example 1

A multi-functional splice cassette as shown in figures 1-2: the connector comprises a splice box 1, a connector 2 matched with the side wall of the splice box 1 and a connecting block 4 arranged on the side wall of the splice box 1 which is not required to be spliced, wherein a plurality of conductors which are mutually nested are arranged in the splice box 1, a mounting groove 16 and a first buckling structure 17 are arranged on the side wall of the splice box 1, a first end, corresponding to the side wall of the splice box 1, of the connector 2 extends out of a first inserting block 21 matched with the mounting groove 16 and a second buckling structure 22 matched with the first buckling structure 17 towards the direction of the splice box 1, the connector 2 is installed in the mounting groove 16 in a plugging manner through the first inserting block 21 and is buckled with the first buckling structure 17 through the second buckling structure 22, a second end, back to the side wall of the splice box 1, of the connector 2 is fixedly spliced with the splice 3 which is required to be spliced in a plugging manner through a fixing piece 31, a first end, extending out of the first conductive contact piece 23 of the connector 2 is respectively contacted with each conductor in the splice box 1, and two side surfaces, of the fifth conductive contact piece 24 of the connector 2 extend out of the connector 2 are contacted with the two sides of the splice 3 which are contacted with the splice 3; a second inserting block 41 matched with the mounting groove 16 and a third fastening structure 42 matched with the first fastening structure 17 extend out of the side wall of the connecting block 4 corresponding to the side wall of the splicing box 1 towards the direction of the splicing box 1, the second inserting block 41 is identical to the first inserting block 21 in structure, and the third fastening structure 42 is identical to the second fastening structure 22 in structure.

When a plurality of splice pieces 3 need splice each other, insert the mounting groove 16 of splice box 1 with the first inserted block 21 of the head 2 that is fixed in its tip, accomplish the concatenation assembly, when the quantity of splice pieces 3 that need splice simultaneously is less than splice box 1's lateral wall quantity, insert connecting block 4 at splice box 1's unnecessary lateral wall, realize sealed light blocking, guarantee splice box 1's safety in utilization, prevent the dust entering simultaneously, when needs splice, take off connecting block 4 can.

In the invention, the splice box 1 has a square structure, so that the splice box 1 can realize I-shaped splicing, L-shaped splicing, T-shaped splicing and cross-shaped splicing of the splice pieces 3.

The splice cassette 1 of the present invention is shown in fig. 3-5: the splice box 1 comprises a box body 11 with an installation space inside, a cover body 12 matched with the box body 11, and a plurality of conductors nested in the box body 11; the conductors include at least a first conductor 13 and a second conductor 14 having the same polarity or different polarities, the first conductor 13 and the second conductor 14 include the same number of second conductive contacts 131 and third conductive contacts 141 as the side walls of the splice box 1, respectively, and the second conductive contacts 131 and third conductive contacts 141 of the first conductor 13 and the second conductor 14 on the same side wall of the splice box 1 are in contact conduction with the first conductive contacts 23 of the connector 2, respectively.

When the conductors include at least the first conductor 13 and the second conductor 14 having different polarities, the second conductive contact 131 and the third conductive contact 141 of the first conductor 13 and the second conductor 14 located on the same side wall of the splice box 1 are respectively in contact conduction with the first conductive contact 23 of the connector 2 having the same polarity as that of the first conductive contact.

In the present embodiment, the electric conductors include a first electric conductor 13 having a first polarity, a second electric conductor 14 having a second polarity, and a third electric conductor 15 having a third polarity; the first conductor 13 includes a first body 132 and second conductive contacts 131 with the same number as the side walls of the splice box 1, the plurality of second conductive contacts 131 extend downwards along the circumference of the first body 132 and are respectively arranged corresponding to each side wall of the splice box 1, and the plurality of second conductive contacts 131 are symmetrically arranged between each two; the second conductive body 14 includes a second body 142 and third conductive contacts 141 with the same number as the side walls of the splice box 1, the plurality of third conductive contacts 141 extend downwards along the circumference of the second body 142 and are respectively corresponding to each side wall of the splice box 1, the plurality of third conductive contacts 141 are symmetrically arranged between every two adjacent third conductive contacts 141 which are close to each other are located between every two adjacent second conductive contacts 131 and respectively correspond to two adjacent side walls of the splice box 1; the third electric conductor 15 comprises a third body 152 and fourth electric conduction contacts 151 with the same number as the side walls of the splice box 1, the fourth electric conduction contacts 151 extend upwards along the circumference of the third body 152 and are respectively arranged corresponding to each side wall of the splice box 1, and the fourth electric conduction contacts 151 are uniformly distributed along the circumference of the third body 152; adjacent two second conductive contacts 131 close to each other are located between adjacent two fourth conductive contacts 151 and are isolated from the third conductive contacts 141; the second conductive contact 131, the third conductive contact 141 and the fourth conductive contact 151 of the first conductive body 13, the second conductive body 14 and the third conductive body 15, which are positioned on the same side wall of the splice box 1, are respectively in contact conduction with the first conductive contact 23 of the connector 2, which has the same polarity as the first conductive contact.

In this embodiment, since the splice box 1 has a square structure, the number of the second conductive contacts 131, the third conductive contacts 141 and the fourth conductive contacts 151 is 4, the first conductor 13 corresponds to the N pole or the L pole, the second conductor 14 corresponds to the L pole or the N pole, and the third conductor 15 corresponds to the ground. In practical design, the structure of the splice box 1, the number and arrangement positions of the second conductive contacts 131, the third conductive contacts 141 and the fourth conductive contacts 151, and the polarities corresponding to the first conductive body 13, the second conductive body 14 and the third conductive body 15 are set according to the practical splice requirement and the polarity requirement.

The side wall of the splice box 1 is respectively provided with a first clamping groove 111 for limiting the second conductive contact 131, a second clamping groove 112 for limiting the third conductive contact 141 and a third clamping groove 113 for limiting the fourth conductive contact 151, and the first conductive contact 23 of the connector 2, which has the same polarity as the first conductive body 13, the second conductive body 14 and the third conductive body 15, respectively extends into the first clamping groove 111, the second clamping groove 112 and the third clamping groove 113 to be in contact conduction with the second conductive contact 131, the third conductive contact 141 and the fourth conductive contact 151.

The first fastening structure 17 of the present invention comprises a first hook 171 disposed at the upper end of the side wall of the splice box 1 and a second hook 172 disposed at the lower end of the side wall of the splice box 1, and the second fastening structure 22 comprises a third hook 221 matched with the first hook 171 and a fastening groove 222 matched with the second hook 172; the first clasp 171 is positioned on the cover 12, and the second clasp 172 is positioned at the lower end of the box 11; the second clasp 172 is a snap structure, and a groove 114 for moving the second clasp 172 is provided at a position opposite to the second clasp 172 on the side wall of the box 11.

In this embodiment, as shown in fig. 3 and 6: the mounting groove 16 is positioned in the middle of the side wall of the splicing box 1, the first fastening structure 17 is positioned on the inner wall of the mounting groove 16, and two slots 161 are arranged in the mounting groove 16; the second fastening structure 22 is located on the first insert block 21, and inserts 211 matched with the slots 161 extend outwards from two side ends of the first insert block 21 opposite to the side wall of the splice box 1, and the two slots 161 are respectively located on two side walls of the mounting groove 16 or on two ends of the inner wall of the mounting groove 16.

When the two slots 161 are identical in structure, the connector 2 can be optionally mounted on any side wall of the splice box 1, and at this time, the second conductive contact 131, the third conductive contact 141 and/or the fourth conductive contact 151 of the first conductive body 13, the second conductive body 14 and/or the third conductive body 15 in the splice box 1, which are positioned on the same side wall of the splice box 1, are in contact conduction with the first conductive contact 23 of the connector 2, which is different in polarity, so that splicing without distinguishing polarity is realized; when the two slots 161 are different in structure, the connector 2 can only be mounted on the side wall of the splice box 1 matched with the connector, and the first conductor 13, the second conductor 14 and/or the third conductor 15 in the splice box 1 are in contact conduction with the second conductive contact piece 131, the third conductive contact piece 141 and/or the fourth conductive contact piece 151 on the same side wall of the splice box 1 and the first conductive contact piece 23 of the connector 2 with the same polarity, so that the polarity-distinguishing splicing is realized.

The two side ends of the side wall surface of the first inserting block 21, which is opposite to the splicing box 1, are outwards extended to form the inserting pieces 212, so that the splicing box 1 or other splicing accessories can be conveniently installed and detached by personnel, the inserting pieces 212 are prevented from falling, the sizes of the splicing pieces 3 are set according to the needs, and the spliced splicing pieces 3 are attractive and neat. The second plug 41 and the third catch structure 42 of the same connection block 4 are identical to the first plug 21 and the second catch structure 22 of the connector head 2 in both arrangement positions and structures.

The upper surface of the first hook 171 is an inclined plane, the lower surface of the third hook 221 matched with the first hook 171 is an inclined plane, the upper surface of the second hook 172 is an inclined plane, the buckling groove 222 is matched with the first hook, the first insert 21 is inserted into the installation groove 16 during installation, at this time, the insert 211 is inserted downwards along the slot 161, the second hook 172 is sprung into the groove 114 during insertion, when the upper surface of the first hook 171 is abutted against the lower surface of the third hook 221, and the second hook 172 is reset to be buckled into the buckling groove 222, the first insert 21 is inserted into place, the splicing piece 3 is spliced, and the second hook 172 is pinched to take out for splicing during disassembly.

In this embodiment, the splice 3 includes guide rails, and the splice manner is as shown in fig. 7: the splicing is realized through the cooperation of the plug-in connector 2 and the splice box 1 inserted into the adjacent guide rail strips, and the side wall installation connecting block 4 of the splice box 1 which does not need to be spliced is closed, so that the use safety of the splice box 1 is ensured, dust is prevented from entering, and the connecting block 4 is taken off when the splice is needed. Wherein, the fifth conductive contact 24 at the second end of the connector 2 extends out of two sides of the connector 2 to be in contact with the guide rail.

Example 2

The present embodiment is different from embodiment 1 in the arrangement position of the mounting groove 16.

In this embodiment, as shown in FIGS. 8-9: the mounting groove 16 is located at two ends of the side wall of the splice box 1, the first plug blocks 21 extend along two sides of the first end of the connector 2 towards the side wall of the splice box 1, and the second fastening structure 22 is located between the two first plug blocks 21. Likewise, the structure of the connection block 4 is changed in the same way. At this time, the first insert piece 212 does not need to be provided at both ends of the first insert piece 21 facing away from the side wall of the splice box 1.

The two mounting grooves 16 at the two ends of the side wall of the splice box 1 have the same or different structures, and when the two mounting grooves 16 at the two ends of the side wall of the splice box 1 have different structures, the same function as the two slots 161 of the embodiment 1 is realized, and the polarity distinction is realized, except for the fixed mounting of the connector 2.

In this embodiment, when the mounting grooves 16 are located at both ends of the side wall of the splice box1, two adjacent mounting grooves 16 of two adjacent side walls may be combined into one design.

When the present embodiment is applied to the rail bar splicing of embodiment 1, the first insertion piece 212 does not need to be provided at both ends of the side wall of the first insertion piece 21 of the connector head 2 facing away from the splice box 1.

Example 3

The present embodiment is different from embodiment 1 in the difference of the splice 3.

In this embodiment, the splice 3 comprises a bridge system, the splice being as shown in fig. 10:

The splicing is realized through the cooperation of the connector 2 and the splice box 1 inserted into the adjacent bridge frame systems, and the side wall of the splice box 1 which does not need to be spliced is provided with the connecting block 4 so as to realize the sealing, thereby ensuring the use safety of the splice box 1, simultaneously preventing dust from entering, and taking off the connecting block 4 when the splice is needed, wherein the fifth conductive contact piece 24 at the second end of the connector 2 extends out of the two side surfaces of the connector 2 to be in contact conduction with the bridge frame systems.

In the present embodiment, the connection block 4 is as shown in fig. 11: the side wall of the splice box1 is provided with a limiting plate 43 matched with the bridge system.

Meanwhile, in the present embodiment, when the splice box 1 and the connector head 2 are spliced by the plug structure of embodiment 1, the structure of the connector head 2 is as shown in fig. 12: the second inserting piece 213 extends from two ends of one surface of the first inserting block 21, which is opposite to the side wall of the splicing box 1, towards the direction of the splicing piece 3, and the second inserting piece 213 is located in a slot which is used for being inserted into the side wall of the bridge system and is located outside the first inserting piece 212, so that the first inserting piece is limited and fixed.

When the structural connection of embodiment 2 is adopted between the splice box 1 and the connector head 2, the structure of the connector head 2 is as shown in fig. 8: the two side ends of the side wall of the first insert block 21, which is opposite to the side wall of the splice box 1, extend outwards to form an insert sheet 212, and meanwhile, the two ends of the side wall of the first insert block 21, which is opposite to the side wall of the splice box 1, extend outwards to form a second insert sheet 213 towards the direction of the splice piece 3, and the second insert sheet 213 is located outside the first insert sheet 212 and is used for being inserted into a slot of the side wall of the bridge system so as to limit and fix the insert sheet.

It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.

Claims

1. The multifunctional splice box is characterized by comprising a splice box (1) and a splice head (2) matched with the side wall of the splice box (1), wherein a plurality of conductors which are mutually nested are arranged in the splice box (1), a mounting groove (16) and a first buckling structure (17) are arranged on the side wall of the splice box (1), a first end, corresponding to the side wall of the splice box (1), of the splice head (2) extends towards the splice box (1) to form a first inserting block (21) matched with the mounting groove (16) and a second buckling structure (22) matched with the first buckling structure (17), the splice head (2) is inserted and mounted in the mounting groove (16) through the first inserting block (21) and is buckled with the first buckling structure (17) through the second buckling structure (22), and a second end, opposite to the side wall of the splice box (1), of the splice head (2) is fixedly inserted and connected with a splice piece (3) to be spliced; the first conductive contact piece (23) of the connector head (2) extends out of the first end of the connector head (2) to be respectively in contact conduction with each conductor in the splice box (1); two slots (161) are arranged in the mounting groove (16), and the two slots (161) have the same or different structures.

2. The multifunctional splice box according to claim 1, characterized in that the mounting groove (16) is located in a side wall intermediate position of the splice box (1), the first snap-fit structure (17) being located on an inner wall of the mounting groove (16); the second fastening structure (22) is located on the first insert block (21), and inserts (211) matched with the slots (161) extend outwards from two side ends of one surface of the first insert block (21) opposite to the side wall of the splice box (1).

3. The multifunctional splice box according to claim 1, wherein two of the slots (161) are located on both sidewalls of the mounting groove (16) or on both ends of the inner wall of the mounting groove (16), respectively.

4. The multifunctional splice box according to claim 1, wherein the mounting grooves (16) are positioned at two ends of the side wall of the splice box (1), the first inserting blocks (21) extend along two sides of the first end of the connector head (2) towards the side wall of the splice box (1), and the second fastening structures (22) are positioned between the two first inserting blocks (21); the two mounting grooves (16) at two ends of the side wall of the splice box (1) are identical or different in structure.

5. The multifunctional splice cassette according to claim 2 or 4, characterized in that a first tab (212) extends outwardly from both ends of the side wall of the first plug (21) facing away from the splice cassette (1).

6. The multifunctional splice cassette according to claim 5, characterized in that a second insert (213) extends out of the splice (3) at both ends of the side wall of the first insert (21) facing away from the splice cassette (1).

7. The multifunctional splice cassette of claim 1, wherein the first snap structure (17) comprises a first clasp (171) disposed at an upper end of a side wall of the splice cassette (1) and a second clasp (172) disposed at a lower end of a side wall of the splice cassette (1), and the second snap structure (22) comprises a third clasp (221) mated with the first clasp (171) and a clasp slot (222) mated with the second clasp (172).

8. The multifunctional splice box according to claim 7, characterized in that the splice box (1) comprises a box body (11) with an installation space inside and a cover body (12) matched with the box body (11), the first clasp (171) is positioned on the cover body (12), and the second clasp (172) is positioned at the lower end of the box body (11); the second clasp (172) is of a spring clasp structure, and a groove (114) for enabling the second clasp (172) to move is formed in the position, opposite to the second clasp (172), of the side wall of the box body (11).

9. The multifunctional splice box according to claim 1, characterized in that the electrical conductors comprise at least a first electrical conductor (13) and a second electrical conductor (14), the first electrical conductor (13) and the second electrical conductor (14) respectively comprise the same number of second conductive contacts (131) and third conductive contacts (141) as the side walls of the splice box (1), and the second conductive contacts (131) and third conductive contacts (141) of the first electrical conductor (13) and the second electrical conductor (14) located on the same side wall of the splice box (1) are in contact conduction with the first conductive contacts (23) of the connector (2), respectively.

10. The multifunctional splice cassette of claim 9, wherein the electrical conductor further comprises a third electrical conductor (15); the third conductor (15) comprises fourth conductive contact pieces (151) the same as the number of the side walls of the splicing box (1), and the first conductor (13), the second conductor (14) and the third conductor (15) are positioned on the same side wall of the splicing box (1), and the second conductive contact piece (131), the third conductive contact piece (141) and the fourth conductive contact piece (151) are respectively in contact conduction with the first conductive contact pieces (23) of the connector (2) with the same polarity.

11. The multifunctional splice box according to claim 10, characterized in that said first electrical conductor (13) further comprises a first body (132), a plurality of said second conductive contacts (131) extending downwards along a circumference of said first body (132) and being respectively arranged in correspondence with each side wall of said splice box (1); the second conductor (14) further comprises a second body (142), and a plurality of third conductive contacts (141) extend downwards along a circumference of the second body (142) and are respectively arranged corresponding to each side wall of the splice box (1); the third conductor (15) further comprises a third body (152), a plurality of fourth conductive contacts (151) extend upwards along a circle of the third body (152) and are respectively arranged corresponding to each side wall of the splice box (1), and the second conductive contacts (131), the third conductive contacts (141) and the fourth conductive contacts (151) on the same side wall of the splice box (1) are arranged in an isolated mode.

12. The multifunctional splice box according to claim 10, wherein a first clamping groove (111) for limiting the second conductive contact piece (131), a second clamping groove (112) for limiting the third conductive contact piece (141) and a third clamping groove (113) for limiting the fourth conductive contact piece (151) are respectively arranged on the side wall of the splice box (1), and the first conductive contact piece (23) of the connector (2) with the same polarity as the first conductive body (13), the second conductive body (14) and the third conductive body (15) respectively extend into the first clamping groove (111), the second clamping groove (112) and the third clamping groove (113) to be in contact conduction with the second conductive contact piece (131), the third conductive contact piece (141) and the fourth conductive contact piece (151).

13. The multifunctional splice box according to claim 1, further comprising a connecting block (4) arranged on a side wall of the splice box (1) which does not need to be spliced, wherein a second inserting block (41) matched with the mounting groove (16) and a third fastening structure (42) matched with the first fastening structure (17) extend out of the connecting block (4) corresponding to the side wall of the splice box (1) towards the direction of the splice box (1), the second inserting block (41) is identical to the first inserting block (21) in structure, and the third fastening structure (42) is identical to the second fastening structure (22) in structure.

14. The multifunctional splice box according to claim 1, characterized in that the splice (3) comprises a rail bar or bridge system, and that a fifth conductive contact (24) at the second end of the connector head (2) extends out of both sides of the connector head (2) in contact conduction with the rail bar or bridge system.