Modularized protection wiring port for mining flame-proof and intrinsic safety type control box

Abstract

The utility model discloses a modularized protection wiring port for a mining flame-proof and intrinsic safety type control box, which relates to the field of wiring ports of control boxes and comprises an upper module group and a lower module group, a conductive core is mounted between the upper module group and the lower module group, and the upper module group and the lower module group are fixed through locking and clamping pieces on two sides. Each of the upper module group and the lower module group is formed by mutually splicing a plurality of terminal modules, and locking bolts are further mounted on the terminal modules. According to the utility model, the upper module group and the lower module group are designed into a structure formed by mutually splicing a plurality of terminal modules, so that the use lengths of the upper module group and the lower module group can be flexibly adjusted according to the use condition of the control box during use, and the connection requirements of different numbers of cables can be met; and the upper module group and the lower module group adopt a module splicing mode.

Description

Technical Field

[0001] The utility model relates to the technical field of control box wiring ports, in particular to a modular protective wiring port for a mine flameproof and intrinsically safe control box. Background Art

[0002] Control boxes are widely used in various medium-voltage motor equipment such as pumps, fans, compressors, rolling mills, injection molding machines, belt conveyors, etc. in metallurgy, chemical industry, petroleum, water supply, mining, building materials, and motor industries.

[0003] The existing Chinese patent with announcement number CN207150396U discloses a frequency converter control box, including a shell, the shell is hinged to the box door through a hinge, a first mounting groove is provided at the upper end of the shell, an external connection terminal is provided in the first mounting groove, a second mounting groove is provided at the lower end of the first mounting groove, a frequency converter is provided on one side of the second mounting groove, and a fan is provided on the other side of the second mounting groove, and an exhaust port is provided on one side of the fan.

[0004] With regard to the above-mentioned related technologies, it is found that the wiring ports of existing control boxes are mostly integral structures. Appropriate wiring terminals are selected according to the model of the control box and the wiring requirements. Once fixed on the control box, it is impossible to increase or replace a certain wiring part separately. After local damage occurs, it can only be replaced as a whole. Each cable head needs to be disassembled and reassembled. When there are many wiring heads, the maintenance cost is high. Utility Model Content

[0005] The present application provides a modular protective wiring port for a mine-use flameproof and intrinsically safe control box, which is used to solve the problems raised in the background technology.

[0006] The utility model is achieved in this way:

[0007] A modular protective wiring port for a mine explosion-proof and intrinsically safe control box comprises an upper module group and a lower module group, a conductive core is installed between the upper module group and the lower module group, and the upper module group and the lower module group are fixed by locking members on both sides, the upper module group and the lower module group are both formed by a plurality of terminal modules spliced ​​together, and a locking bolt is also installed on the terminal module, and the locking bolt is screwed in and out of the terminal module through a thread.

[0008] Furthermore, the terminal module includes an insulating block and a partition, wherein the partition is arranged on one side of the insulating block, and the partition and the insulating block are integrally formed.

[0009] Furthermore, a limiting slot is provided on one side of the insulating block away from the partition, and a wire insertion hole is provided at the center of the insulating block.

[0010] Furthermore, a stepped groove for installing the conductive core is provided on the lower end surface of the insulating block, and the upper end of the stepped groove is connected to the wire insertion hole.

[0011] Furthermore, a limiting block corresponding to the limiting slot is arranged on the outer side surface of the partition, and the limiting block is integrally formed with the partition.

[0012] Furthermore, the conductive core includes a core body and a middle ring, wherein the middle ring is arranged in the middle of the core body and is fixedly connected to the core body.

[0013] Furthermore, the locking card includes a positioning card plate and a concave buckle shell, the concave buckle shell is arranged on the lower end surface of the positioning card plate, and the concave buckle shell and the positioning card plate are integrally formed.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the utility model designs the upper module group and the lower module group into a structure in which several terminal modules are spliced ​​with each other, thereby ensuring that the use length of the upper module group and the lower module group can be flexibly adjusted according to the use of the control box during use, thereby meeting the connection requirements of different numbers of cables, and by adopting a module splicing method for the upper module group and the lower module group, any terminal module can be replaced individually if it is damaged, which makes the operation more convenient and flexible. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 It is a three-dimensional diagram of the overall structure in the embodiment of the utility model;

[0017] Figure 2 yes Figure 1 a front view of the device shown;

[0018] Figure 3 yes Figure 1 A schematic diagram of the exploded structure of the device shown;

[0019] Figure 4 yes Figure 1 A perspective view of the terminal module shown;

[0020] Figure 5 yes Figure 4 a front view of the device shown;

[0021] Figure 6 yes Figure 4A cross-sectional view of the device shown.

[0022] In the figure: 1. upper module group; 2. lower module group; 3. conductive core; 31. core body; 32. middle ring; 4. locking card; 41. positioning card plate; 42. concave buckle shell; 5. terminal module; 51. insulating block; 511. limiting slot; 512. wire insertion hole; 513. stepped groove; 52. partition; 521. limiting card block; 6. locking bolt. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents the selected embodiments of the utility model.

[0024] Reference Figure 1 , Figure 2 and Figure 3 As shown, a modular protective wiring port for a flameproof and intrinsically safe control box for mining includes an upper module group 1 and a lower module group 2, a conductive core 3 is installed between the upper module group 1 and the lower module group 2, and the upper module group 1 and the lower module group 2 are fixed by locking members 4 on both sides, and the upper module group 1 and the lower module group 2 are both spliced ​​by a plurality of terminal modules 5, and a locking bolt 6 is also installed on the terminal module 5, and the locking bolt 6 is screwed in and out of the terminal module 5 through a thread. By designing the wiring port into an upper module group 1, a lower module group 2 and a conductive core 3, when using, a plurality of conductive cores 3 are installed between the upper module group 1 and the lower module group 2, and when the upper module group 1 and the lower module group 2 are buckled together, they can be locked by the locking members 4 on both sides, so that the overall stability during use can be ensured. By setting the locking bolt 6, the cable core can be pressed on the conductive core 3 when the cable head is conveniently connected, so that the cables at the upper and lower ends can be conducted through the conductive core 3.

[0025] Reference Figure 4 , Figure 5 and Figure 6As shown, the terminal module 5 includes an insulating block 51 and a partition 52, the partition 52 is arranged on one side of the insulating block 51, and the partition 52 is integrally formed with the insulating block 51. The partition 52 is arranged on the insulating block 51 by the structural setting of the terminal module 5, so that the terminal modules 5 can be separated from each other when they are spliced ​​together. A limiting slot 511 is provided on the side of the insulating block 51 away from the partition 52, and a wire insertion hole 512 is provided at the center of the insulating block 51. The setting of the limiting slot 511 makes it easy for the insulating blocks 51 to be spliced ​​with each other, and the setting of the wire insertion hole 512 facilitates the positioning and insertion installation of the cable head. The lower end surface of the insulating block 51 is provided with a stepped groove 513 for the installation of the conductive core 3, and the upper end of the stepped groove 513 is connected to the wire insertion hole 512. The setting of the stepped groove 513 facilitates the stable installation and use of the conductive core 3. The outer surface of the partition plate 52 is provided with a limit block 521 corresponding to the limit slot 511, and the limit block 521 is integrally formed with the partition plate 52. The limit block 521 is provided to facilitate the connection terminal modules 5 to be mutually engaged with the adjacent limit slots 511 when they are spliced ​​together.

[0026] Reference Figure 2 and Figure 3 As shown, the conductive core 3 includes a core body 31 and a middle ring 32, wherein the middle ring 32 is arranged in the middle of the core body 31 and is fixedly connected to the core body 31. The structure of the conductive core 3 is arranged to ensure that the middle ring 32 is arranged on the core body 31, so that when installing, both ends of the core body 31 can pass through the stepped groove 513 and extend into the wire insertion hole 512, and the middle ring 32 can be engaged in the stepped groove 513 to achieve positioning installation.

[0027] Reference Figure 2 and Figure 3 As shown, the lock card 4 includes a positioning card plate 41 and a concave buckle shell 42, and the concave buckle shell 42 is arranged on the lower end surface of the positioning card plate 41, and the concave buckle shell 42 is integrally formed with the positioning card plate 41. The structural setting of the lock card 4 ensures that when in use, the positioning card plate 41 is engaged and fixed in the limiting slot 511 of the edge terminal module 5, and the concave buckle shell 42 is fixed in the limiting block 521 of the edge terminal module 5, so that the upper module group 1 and the lower module group 2 can be fixed to each other.

[0028] Working principle: When needed, you can choose a suitable number of terminal modules according to the use of the control box to splice them into an upper module group and a lower module group. The upper module group and the lower module group use the same number of terminal modules. After the upper module group and the lower module group are spliced, the conductive core can be installed between the two, and then the upper module group and the lower module group can be fixed to each other through the locking card.

[0029] The above description is only the preferred implementation of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A modular protective wiring port for a flameproof and intrinsically safe control box for a mine, comprising an upper module group (1) and a lower module group (2), characterized in that: A conductive core (3) is installed between the upper module group (1) and the lower module group (2), and the upper module group (1) and the lower module group (2) are fixed to each other via locking components (4) on both sides. The upper module group (1) and the lower module group (2) are both formed by a plurality of terminal modules (5) spliced ​​together. A locking bolt (6) is also installed on the terminal module (5), and the locking bolt (6) is screwed in and out of the terminal module (5) via a thread.

2. The modular protective wiring port for a flameproof and intrinsically safe control box for mining according to claim 1 is characterized in that: The terminal module (5) comprises an insulating block (51) and a partition (52); the partition (52) is arranged on one side of the insulating block (51), and the partition (52) and the insulating block (51) are integrally formed.

3. The modular protective wiring port for a flameproof and intrinsically safe control box for mining according to claim 2 is characterized in that: A limiting slot (511) is provided on one side of the insulating block (51) away from the partition plate (52), and a wire insertion hole (512) is provided at the center of the insulating block (51).

4. The modular protective wiring port for a flameproof and intrinsically safe control box for mining according to claim 3 is characterized in that: The lower end surface of the insulating block (51) is provided with a stepped groove (513) for mounting the conductive core (3), and the upper end of the stepped groove (513) is connected to the wire insertion hole (512).

5. The modular protective wiring port for a flameproof and intrinsically safe control box for mining use according to claim 4 is characterized in that: A limiting block (521) corresponding to the limiting slot (511) is provided on the outer side surface of the partition (52), and the limiting block (521) and the partition (52) are integrally formed.

6. The modular protective wiring port for a flameproof and intrinsically safe control box for mining use according to claim 5 is characterized in that: The conductive core (3) comprises a core body (31) and a middle ring (32); the middle ring (32) is arranged in the middle of the core body (31), and the middle ring (32) is fixedly connected to the core body (31).

7. The modular protective wiring port for a flameproof and intrinsically safe control box for mining according to claim 6 is characterized in that: The locking member (4) comprises a positioning card plate (41) and a concave buckle shell (42); the concave buckle shell (42) is arranged on the lower end surface of the positioning card plate (41), and the concave buckle shell (42) and the positioning card plate (41) are integrally formed.

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