Junction box of mining electrical equipment
By introducing sealing rings, locking structures, limit plates, and drying boxes into the junction boxes of mining electrical equipment, the problems of sealing and adaptability have been solved, achieving higher safety and flexibility.
Patent Information
- Application Number
- CN202422999315.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-05
AI Technical Summary
The junction boxes of existing mining electrical equipment have poor sealing performance, making them susceptible to water and dust intrusion, which can lead to poor wiring or short circuits. Furthermore, it is difficult to adjust the number of connection ports according to the number of cables, increasing safety hazards.
A junction box with a sealing ring and locking structure was designed. It combines a limiting plate, a spring limiting block, a wire passage groove and a wire conduit to enhance the sealing performance. A desiccant is stored in the drying box to reduce humidity and adapt to different cable specifications.
It improves the sealing, waterproofing, and dustproofing of the junction box, prevents short circuits, adapts to different numbers of cables, and enhances wiring safety and applicability.
Smart Images

Figure CN223567260U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of junction box, especially relates to a junction box of mine electrical equipment. BACKGROUND
[0002] With the continuous progress of science and technology, the junction box of mine electrical equipment has been widely applied to mine cable connection, but the traditional junction box on the market mostly has poor sealing effect, low protection performance to water and dust, is easy to cause the invasion of dust when being used in mine and the like under the harsh condition, thereby leading to poor wiring effect or wiring short circuit, greatly influencing the actual mine work safety. In some specific working scenes, for example, when too many or too few electric wires are contained in the cable, the traditional junction box is not easy to adjust the number of wiring ports according to the actual demand, and multiple junction boxes need to be used to complete the wiring work, greatly increasing the safety hidden danger after wiring. In order to solve the above problems, the utility model provides a junction box of mine electrical equipment. UTILITY MODEL CONTENTS
[0003] The utility model discloses a junction box of mine electrical equipment, solves the problem of the prior art.
[0004] To solve the above technical problems, the utility model is realized by the following technical schemes:
[0005] The utility model discloses a kind of terminal boxes of mining electrical equipment, including terminal box, and the terminal cover of being set to the upper end of terminal box, sealing ring is equipped between the terminal box and terminal cover, locking structure is provided between the terminal box and terminal cover, can provide closed environment for terminal box, increase the sealing property of terminal box, two limit plates are fixedly connected in the outer wall front and rear end surface of terminal box, limit slot is set in the opposite surface of two limit plates in the same side surface, the wire slot is located between two limit plates in the same side surface, one surface in the limit slot is fixedly connected with spring, the free end of spring is fixedly connected with limit block, spring will give limit block a thrust, make limit block always be located in wire slot front end, wire slot is set in the front and rear end surface of terminal box, a plurality of terminal posts are fixedly connected with the lower end surface of terminal box inner wall, wire plate is equipped in the front and rear sides of terminal post, the lower end surface of terminal box inner wall is fixedly connected with wire plate, receiving groove is set in the one end surface of wire plate, the cross section of receiving groove is T-shaped, wire plate is inserted in wire slot, sealing ring is equipped between wire plate and wire slot, the size and shape of one end of wire plate are all adapted to receiving groove, one end of wire plate and receiving groove are mutually matched, receiving groove plays the receiving effect to wire plate, and also can be jointly acted with limit block, forms the clamping effect of horizontal direction to wire plate, one end surface of wire plate is fixedly connected with partition plate, partition plate can act as handle when replacing wire plate specification, more beneficial to quick replacement, a plurality of wire holes are set in the front end surface of partition plate, wire tube is fixedly connected with the front end surface of partition plate, elastic sealing ring is equipped in the inner wall one end of wire tube, the free end of wire tube is threadedly connected with end cap, can provide closed environment in terminal box while increasing the clamping effect to cable head, prevent cable head from separating from terminal box when moving or straightening;
[0006] The upper end surface of the terminal cover is provided with a drying groove, the lower end surface of the terminal cover is fixedly connected with a drying box, a sealing cover is inserted in the drying groove, the size and shape of the lower end of the sealing cover are adapted to the drying groove, a sealing ring is arranged between the sealing cover and the drying groove, the sealing cover and the drying groove are clamped and matched, the position, size and shape of the drying groove are adapted to the drying box, a plurality of threaded holes are formed in the upper end surface of the sealing cover and the upper end surface of the terminal cover, the threaded holes formed in the upper end surface of the sealing cover and the upper end surface of the terminal cover correspond to each other in position, and screws are used to limit the two, facilitating storage and replacement of the drying agent, the drying agent can be stored in the drying box, and the air humidity in the terminal box is reduced when the air humidity in the mine is high, ensuring the safety of the terminal.
[0007] Further, the shape and size of the limit block are adapted to the limit slot, and the limit block and the limit slot are slidingly matched.
[0008] The utility model has the following beneficial effects:
[0009] The utility model discloses a wiring terminal is utilized, realizes the wiring work to cable head, utilizes the wiring board, the wire hole and the wire pipe to carry out the basic limit of cable head, prevents after completing wiring operation, and cable head is contacted each other in the wiring box, and simultaneously exempts from the installation personnel to carry out the wire arranging work, utilizes the common action of the receiving groove and the wire slot, realizes the receiving effect and the fixed effect to the wiring board, when the wiring board is inserted in the wire slot, can utilize the limiting piece fixed connection through the spring in the limiting plate of the left and right ends of the wire slot mouth, realizes the locking and the limit to the wiring board, simultaneously also can when needing to carry out the wiring work to different quantity's cable head, the quick replacement of different specifications' wiring board is carried out, thereby can promote the applicability of wiring box,
[0010] Utilize the dry box fixed connection in the lower end surface of wiring cover, to store the drying agent, and the sealing cover of dry box upper end insertion and wiring cover are limited through screw, can guarantee in not opening wiring box can store and replace drying agent, can better promote the maintenance and maintenance difficulty of wiring box after completing wiring work;
[0011] The elastic sealing ring and the end are arranged at one end of the wire pipe, which can prevent water from entering the wiring box through the wire hole and affecting the normal work of the components and elements;Sealing rings are arranged between the wiring box and the wiring cover, the wiring cover and the sealing cover, and the wiring board and the wire slot, which can prevent water or dust from entering the wiring box from the connection joints, further improve the sealing, waterproof and dustproof effect of the wiring box, so as to prevent the entry of dust or water from causing cable short circuit in the wiring box, thereby improving the use safety of the wiring box.
[0012] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS
[0013] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the embodiment description needed to use the drawing makes a simple introduction, obviously, the following description in the drawing is only some embodiments of the utility model, for the person skilled in the art comes, under the premise of not paying the creative labor, can also obtain other drawings according to these drawings.
[0014] Figure 1 It is a kind of overall structure schematic diagram of the wiring box of mining electrical equipment;
[0015] Figure 2 It is a front view of the wiring box of mining electrical equipment;
[0016] Figure 3 It is Figure 2 A-A sectional view;
[0017] Figure 4It is a top view of a terminal box of a mine-used electrical equipment.
[0018] Figure 5 It is a top view of a terminal box of a mine-used electrical equipment. Figure 4 It is a middle D-D section view
[0019] Figure 6 It is a schematic view of internal structure of a terminal box of a mine-used electrical equipment.
[0020] In the drawings, the components represented by each reference numeral are listed as follows: 1, terminal box; 2, terminal cover; 3, limiting plate; 4, limiting groove; 5, spring; 6, limiting block; 7, wire passing groove; 8, terminal; 9, wire passing plate; 10, receiving groove; 11, terminal plate; 12, partition plate; 13, wire passing hole; 14, wire passing pipe; 15, elastic sealing ring; 16, end cover; 17, drying groove; 18, drying box; 19, sealing cover. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0022] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the indicated component or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.
[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be direct connection, can also be indirect connection through an intermediate medium, can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0024] Please refer to Figures 1-6As shown, the utility model is a kind of electrical equipment junction box for mining, including junction box 1, and the junction cover 2 of the upper end of junction box 1, junction box 1 and junction cover 2 between being equipped with sealing ring, junction box 1 and junction cover 2 between being provided with locking structure, can provide closed environment for junction box 1, increase the sealing property of junction box 1, the outer wall of junction box 1 both ends are all fixedly connected with two limit plates 3, the opposite surface of two limit plates 3 on the same side is all provided with limit slot 4, and wire slot 7 is located between the two limit plates 3 of the same side, and one surface in limit slot 4 is fixedly connected with spring 5, and the free end of spring 5 is fixedly connected with limit block 6, and spring 5 will give limit block 6 a thrust, so that limit block 6 always locates the front end of wire slot 7, and wire slot 7 is provided in the front and rear end surfaces of junction box 1, and the lower end of the inner wall of junction box 1 is fixedly connected with a plurality of terminal blocks 8, and the two sides of terminal block 8 are provided with wire plate 9, and the lower end of the inner wall of junction box 1 is fixedly connected with wire plate 9, and the one end of wire plate 9 is provided with receiving groove 10, and the cross section of receiving groove 10 is T-shaped, and wire plate 11 is inserted in wire slot 7, and sealing ring is provided between wire plate 11 and wire slot 7, and the size and shape of one end of wire plate 11 are adapted to receiving groove 10, and the one end of wire plate 11 cooperates with receiving groove 10, and receiving groove 10 plays the receiving role to wire plate 11, and also can jointly act with limit block 6, and forms the clamping effect of horizontal direction to wire plate 11, and the one end of wire plate 11 is fixedly connected with partition plate 12, and partition plate 12 can act as handle when replacing the specification of wire plate 11, and it is more beneficial to quickly replace, and a plurality of wire holes 13 are provided in the front end of partition plate 12, and the front end of partition plate 12 is fixedly connected with threading pipe 14, and the inner wall of threading pipe 14 is provided with elastic sealing ring 15, and the free end of threading pipe 14 is threadedly connected with end cap 16, which can provide a closed environment in the box, while increasing the clamping effect of cable head, to prevent the cable head from separating from junction box 1 when moving or straightening;
[0025] The upper end of junction cover 2 is provided with drying groove 17, and the lower end of junction cover 2 is fixedly connected with drying box 18, and sealing cover 19 is inserted in drying groove 17, and the size and shape of the lower end of sealing cover 19 are adapted to drying groove 17, and sealing ring is provided between sealing cover 19 and drying groove 17, and sealing cover 19 and drying groove 17 are clamped and cooperated, and the position, size and shape of drying groove 17 are adapted to drying box 18, and a plurality of threaded holes are provided in the upper end of sealing cover 19 and the upper end of junction cover 2, and the threaded holes provided in the upper end of sealing cover 19 and the upper end of junction cover 2 are corresponding to each other, and the two are limited by screw, to facilitate the storage and replacement of drying agent, and drying agent can be stored in drying box 18, to reduce the air humidity in the box and ensure the safety of wiring when the air humidity in mine is high.
[0026] In one of the embodiments, the limiting block 6 is in shape and size adapted to the limiting groove 4, and the limiting block 6 and the limiting groove 4 are in sliding fit.
[0027] Referring to Figures 1-6 As shown in the figure, the embodiment is a method for using a junction box of a mine electrical equipment: first push the limiting block 6 back into the limiting groove 4, use the partition plate 12 to pull the junction plate 11 out of the wire passage groove 7, unscrew the end cap 16 of the wire pipe 14, nest the elastic sealing ring 15 around the cable, insert it into the designated wire hole 13, then insert the junction plate 11 into the wire passage groove 7, open the junction cover 2, use the junction terminal 8 to make the junction operation, close the junction cover 2 after completion, tighten the end cap 16 of the wire pipe 14, thus completing the fixation and junction of the cable; when the junction operation is completed, open the sealing cover 19, select the appropriate desiccant according to the actual site demand and put it into the desiccant box 18, then close the sealing cover 19.
[0028] It should be further explained that different specifications of the cable will result in different numbers of wires in the cable, and the appropriate specification of the junction plate 11 can be selected according to the actual demand during the junction.
[0029] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0030] The preferred embodiments of the above disclosed application are only used to help explain the application. The preferred embodiments do not describe all the details, nor limit the application to the specific embodiments described. Obviously, according to the content of the present specification, many modifications and changes can be made. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the application, so that the skilled in the art can well understand and use the application. The application is limited by the claims and their entire scope and equivalents.
Claims
1. A terminal box for electrical equipment in mines, comprising a terminal box (1) and a terminal cover (2) arranged at the upper end of the terminal box (1), characterized in that: The two end faces of the outer wall of the junction box (1) are fixedly connected with two limiting plates (3), the opposite surfaces of the two limiting plates (3) on the same side are provided with limiting grooves (4), one surface in the limiting groove (4) is fixedly connected with a spring (5), the free end of the spring (5) is fixedly connected with a limiting block (6), the front and rear end faces of the junction box (1) are provided with wire passing grooves (7), the lower end surface of the inner wall of the junction box (1) is fixedly connected with a plurality of wire terminals (8), the front and rear sides of the wire terminal (8) are provided with wire passing plates (9), the wire passing plate (9) is fixedly connected with the lower end surface of the inner wall of the junction box (1), one end surface of the wire passing plate (9) is provided with a receiving groove (10), the cross section of the receiving groove (10) is T-shaped, the wire passing groove (7) is inserted with a wire plate (11), one end surface of the wire plate (11) is fixedly connected with a partition plate (12), a plurality of wire passing holes (13) are formed in the front end surface of the partition plate (12), the front end surface of the partition plate (12) is fixedly connected with a wire penetrating pipe (14), the inner wall of the wire penetrating pipe (14) is provided with an elastic sealing ring (15) at one end, and the free end of the wire penetrating pipe (14) is threadedly connected with an end cover (16); the upper end surface of the junction cover (2) is provided with a drying groove (17), the lower end surface of the junction cover (2) is fixedly connected with a drying box (18), the drying groove (17) is inserted with a sealing cover (19), and a plurality of threaded holes are formed in the upper end surface of the sealing cover (19) and the upper end surface of the junction cover (2).
2. A terminal box for electrical equipment for use in mines according to claim 1, characterised in that The sealing ring is arranged between the junction box (1) and the junction cover (2), the locking structure is arranged between the junction box (1) and the junction cover (2), the sealing ring is arranged between the wire plate (11) and the wire passing groove (7), and the wire passing groove (7) is located between the two limiting plates (3) on the same side.
3. The junction box of claim 1, wherein, The size and shape of the lower end of the sealing cover (19) are adapted to the drying groove (17), the sealing ring is arranged between the sealing cover (19) and the drying groove (17), the drying groove (17) and the sealing cover (19) are clamped and matched, and the position, size and shape of the drying groove (17) are adapted to the drying box (18).
4. The junction box of claim 1, wherein, The size and shape of one end of the wire plate (11) are adapted to the receiving groove (10), and the one end of the wire plate (11) and the receiving groove (10) are matched with each other.
5. The junction box of electrical equipment for mine according to claim 1, characterized in that, The size and shape of the limiting block (6) are adapted to the limiting groove (4), and the limiting block (6) and the limiting groove (4) are slidingly matched.
6. The junction box of electrical equipment for mine according to claim 1, characterized in that, The threaded holes in the upper end surface of the sealing cover (19) and the upper end surface of the junction cover (2) are correspondingly arranged, and the two are limited by screws.