CN217362544U

CN217362544U - Terminal box

Info

Publication number: CN217362544U
Application number: CN202220986034.2U
Authority: CN
Inventors: 佟巍; 黄志怀; 赵永乐
Original assignee: Sany Heavy Equipment Co Ltd
Current assignee: Sany Heavy Equipment Co Ltd
Priority date: 2022-04-26
Filing date: 2022-04-26
Publication date: 2022-09-02
Anticipated expiration: 2032-04-26

Abstract

The utility model relates to a cable accessory field provides a terminal box, the glan head of box body and two kind at least models, the week side of box body be equipped with the same mounting hole of the model kind of glan head, the mounting hole with correspond the model glan head installation adaptation, the glan head is used for wearing to establish the cable of corresponding model. The utility model discloses a set up the mounting hole of two kind at least models on the box body, and then correspond the glan head of installation the same type, realize the glan head of two kind at least models of same box body mountable, realize and the corresponding cable assembly of glan head model connects on the box body, also that is, same box body can correspond the cable of connecting two kind at least models, reduces the number that sets up of box body, improves the orderliness and the clean and tidy nature that the cable was arranged, simultaneously, can improve the security of operation.

Description

Terminal box

Technical Field

The utility model relates to a cable accessories technical field especially relates to a terminal box.

Background

With the high-speed development of modern coal machinery, development machine products have been widely used in coal mines and mine tunnels. However, with the emergence of intelligent heading machine products, electronic devices such as controllers and the like equipped on the heading machine are more and more, and the original junction box cannot meet the market requirements.

The cable access device of the traditional junction box is mostly in a bell mouth type, and the size of the bell mouth limits the type and specification of the cable; the horn mouths are arranged in small quantity, so that the quantity of external devices is limited, a plurality of junction boxes are needed to achieve the purpose of externally connecting lead devices, the occupied use space is large, and the connection is easy to be confused; moreover, the grounding nut is not arranged in the junction box, so that the safety of equipment operation is influenced; when the wiring device is not used, the wiring horn mouth is exposed, so that dust and impurities enter the inside of the wiring box, an electronic circuit in the wiring box is damaged, and the safety and the reliability of equipment are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a junction box for solve at least one technical problem that exists among the prior art, realize the unified connection adaptation to the external cable of different models, improve the orderliness and the clean and tidy nature that the cable was arranged.

The utility model provides a junction box, the glan head of box body and two kind at least models, all sides of box body be equipped with the same mounting hole of the model kind of glan head, the mounting hole with correspond the model glan head installation adaptation, the glan head is used for wearing to establish the cable of corresponding model.

According to the utility model provides a pair of terminal box still includes the end cap, the model kind of end cap with the model kind of mounting hole is the same for correspond insert the looks adaptation model in the mounting hole.

According to the utility model provides a pair of junction box, the model is corresponding the end cap with be equipped with the second sealing washer between the mounting hole.

According to the utility model provides a pair of terminal box, the model is corresponding the glan head with be equipped with first sealing washer between the mounting hole, the model of first sealing washer with the model of glan head with the model adaptation of end cap.

According to the utility model provides a pair of junction box, the box body is equipped with first ground nut, first ground nut is connected with first earth connection, first earth connection is used for connecting ground.

According to the utility model provides a pair of junction box, be equipped with binding post in the box body, binding post sets up on the mounting panel, the mounting panel pass through second ground nut set up in the box body.

According to the utility model provides a pair of junction box, the inside wall of box body is equipped with third ground nut, third ground nut with be connected with the second earth connection between the first ground nut.

According to the utility model provides a pair of junction box still includes the apron, the apron with the adaptation is established to the box body lid.

According to the utility model provides a pair of junction box, the box body still is equipped with fixed interface, the fixed interface is fixed to be equipped with fixed glan head, fixed glan head is used for wearing to establish connection director's cable.

According to the utility model provides a pair of terminal box, the same model the mounting hole sets up a plurality ofly.

The utility model provides a terminal box, through the mounting hole that sets up two kinds of at least models on the box body, and then correspond the glan head of installation the same type, realize the glan head of two kinds of at least models of same box body mountable, realize with the corresponding cable mounting of glan head model connect on the box body, also be exactly, same box body can correspond the cable of connecting two kinds of at least models, reduce the number that sets up of box body, improve the orderliness and the clean and tidy nature that the cable was arranged, and simultaneously, can improve the security of operation.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a junction box provided by the present invention;

fig. 2 is a front view of the junction box provided by the present invention;

fig. 3 is a right side view of the junction box provided by the present invention;

fig. 4 is a top view of the junction box provided by the present invention;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 2;

reference numerals:

1. a box body; 2. a glan head; 3. mounting holes; 4. a plug; 5. a first ground nut; 6. a wiring terminal; 7. mounting a plate; 8. a second ground nut; 9. a first ground line; 10. a third ground nut; 11. a second ground line; 12. fixing the interface; 13. fixing the gland head; 14. a controller; 15. a cover plate; 16. a cable; 17. and an execution unit.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Referring now to fig. 1-5, embodiments of the present invention will be described. It is to be understood that the following description is only exemplary of the present invention and is not intended to limit the present invention in any way.

The embodiment of the utility model provides a terminal box specifically is flame-proof type low pressure terminal box. The junction box comprises a box body 1 and at least two types of the gland heads 2, wherein the box body 1 is used for protecting a wiring terminal 6 arranged in the box body 1, the gland heads 2 of different types correspond to cables 16 of different types in assembly connection, namely, the type of the gland heads 2 can correspond to the connection of the cables 16 of the same type.

Further, when the box body 1 is horizontally placed, the horizontal peripheral sides of the box body 1 are provided with at least two types of mounting holes 3, namely at least two types of mounting holes 3 with different hole diameters. The type of the mounting hole 3 is the same as that of the gland head 2, the mounting hole 3 is matched with the gland head 2 corresponding to the type in a mounting mode, the gland head 2 is mounted on the box body 1 through the mounting hole 3 corresponding to the type aperture, then the cable 16 corresponding to the type is connected with the wiring terminal 6 in the box body 1 through the gland head 2, and then the cable 16 is connected with different execution units 17.

The type of the gland 2 refers to the external diameter of the thread at the mounting end of the gland 2, the type of the mounting hole 3 refers to the aperture of the mounting hole 3, and the type of the cable 16 refers to the diameter of the cable 16.

In one embodiment, the box body 1 is provided with three types of gland heads 2, namely a first gland head, a second gland head and a third gland head, wherein the types are M20, M25 and M32 in sequence; the box body 1 is equipped with the mounting hole 3 of three model, is first mounting hole, second mounting hole and third mounting hole respectively, and the aperture is 21mm, 30mm, 42mm in proper order, but the cable 16 of the three model of this 1 adaptation connection of box body is first cable, second cable and third cable respectively, and the external diameter size is 8.0 ~ 11.5mm, 14.0 ~ 20.2mm and 20 ~ 26.5mm in proper order.

The mounting end of the first gland head is correspondingly screwed in the first mounting hole, and the first cable penetrates through the first gland head and is connected with the wiring terminal 6 in the box body 1; the mounting end of the second gland head is correspondingly screwed and assembled in the second mounting hole, and a second cable passes through the second gland head and is connected with the wiring terminal 6 in the box body 1; the mounting end of the third gland head is correspondingly screwed in the third mounting hole, and a third cable passes through the third gland head and is connected with the wiring terminal 6 in the box body 1.

It should also be noted that the glan head 2 is used to avoid axial and radial displacements at the connection of the cables 16, improving the connection strength.

In some embodiments, the first sealing ring is arranged between the corresponding gland head 2 and the mounting hole 3, so that the sealing performance between the gland head 2 and the mounting hole 3 is improved, dust is prevented from entering the box body 1, meanwhile, the cable 16 assembled in the gland head 2 can be effectively prevented from being pulled out, and the connection strength of the cable 16 is improved.

It should be noted that the type of the first seal ring is the same as that of the glan head 2, and the first seal ring is adapted to the glan head in a one-to-one correspondence manner, where the type of the first seal ring refers to an inner diameter of the first seal ring.

In one embodiment, the types of the first sealing rings are three types, namely an A type first sealing ring, a B type first sealing ring and a C type first sealing ring. The A-shaped first sealing ring is sleeved at the mounting end of the first gland head 2, so that the first gland head and the first mounting hole are assembled in a sealing mode; the B-shaped first sealing ring is sleeved at the mounting end of the second gland head, so that the second gland head is hermetically assembled with the second mounting hole; the installation end of the third gland head is sleeved with the C-shaped first sealing ring, and the third gland head and the third installation hole are hermetically assembled.

In some embodiments, the plug 4 is further included, the type of the plug 4 is the same as that of the mounting hole 3, and the plug 4 is used to be correspondingly inserted into the mounting hole 3 of the corresponding type, that is, the plug 4 is used to plug the mounting hole 3 without the cable 16, so as to prevent dust from entering the box body 1 through the idle mounting hole 3. The type of the plug 4 refers to the diameter of the plug 4.

It should be noted that, according to the type and number of the cables 16 to be connected and assembled, the flange heads 2 of the adapted type and the same number are correspondingly selected, and the flange heads 2 are correspondingly installed in the installation holes 3, so that the cables 16 are correspondingly penetrated and assembled. And if the residual idle mounting holes 3 exist, correspondingly selecting the plugs 4 with the adaptive models and numbers, and correspondingly plugging the residual idle mounting holes 3.

In one embodiment, the plugs 4 are three types, namely a first plug, a second plug and a third plug, wherein the first plug is adapted to be plugged into the first mounting hole, the second plug is adapted to be plugged into the second mounting hole, and the third plug is adapted to be plugged into the third mounting hole.

In some embodiments, in order to improve the sealing performance of the plug 4 and the mounting hole 3, a second sealing ring is arranged between the plug 4 and the mounting hole 3 corresponding to the model, so as to improve the sealing performance of the box body 1.

In one embodiment, the types of the second sealing rings are three, namely an A type second sealing ring, a B type second sealing ring and a C type second sealing ring. The A-type second sealing ring is sleeved on the first plug, so that the first plug and the first mounting hole are assembled in a sealing mode; the B-shaped second sealing ring is sleeved on the second plug to realize the sealing assembly of the second plug and the second mounting hole; the C-shaped second sealing ring is sleeved on the third plug, so that the third plug and the third mounting hole are assembled in a sealing mode.

In some embodiments, in order to improve the safety of the box body 1 and provide leakage protection, the outer side wall of the box body 1 is provided with a first grounding nut 5, the first grounding nut 5 is connected with a first grounding wire 9, the first grounding wire 9 is used for connecting the ground, namely, a binding post is arranged on the ground, two ends of the first grounding wire 9 are respectively connected with the first grounding nut 5 and the binding post, and the conduction of the box body 1 is led to the ground.

In some embodiments, the connection terminal 6 is arranged in the box body 1, so that the box body 1 can seal and protect the connection terminal 6. Binding post 6 sets up on mounting panel 7, and mounting panel 7 sets up in box body 1 through second ground nut 8, and is concrete, and the bottom plate of box body 1 is equipped with the fixed orifices, realizes that the location of box body 1 is fixed.

Wherein, four end angles of mounting panel 7 set up a second ground nut 8 respectively, and second ground nut 8 runs through the direct and ground contact of bottom plate of box body 1, and binding post 6 sets up on mounting panel 7, the firm in connection nature of guarantee binding post 6 and mounting panel 7 and the bottom plate of box body 1, simultaneously, carries out ground protection to binding post 6, guarantee operation security.

In some embodiments, the inner sidewall of the box body 1 is provided with a third grounding nut 10, wherein the third grounding nut 10 is located on a different sidewall of the box body 1 from the first grounding nut 5. A second grounding wire 11 is connected between the third grounding nut 10 and the first grounding nut 5, so that the grounding effect of the third grounding nut 10 is realized.

In some embodiments, the box further comprises a cover plate 15, the cover plate 15 is matched with the box body 1 in a covering mode, and the cover plate 15 is used for covering the box body 1 and improving the sealing performance of the box body 1.

In one embodiment, the cover 15 is detachably connected to the box 1 by bolts, so that the wiring terminals 6 in the box 1 can be maintained conveniently.

In some embodiments, the box body 1 is further provided with a fixing interface 12, the fixing interface 12 is fixedly provided with a fixing flange head 13, the fixing flange head 13 is fixedly installed at the fixing interface 12, so as to realize the fixed installation of the fixing flange head 13 and the box body 1, and further, the fixing flange head 13 is used for penetrating through a cable 16 connected with the controller 14.

It should be noted that the box body 1 needs to be connected with the controller 14 through a fixed type of cable 16, that is, a fixed diameter size of the cable 16, and therefore, the type of the fixed glan head 13 is correspondingly set to be fixed, and is further adapted to be connected with the cable 16 dedicated to the controller 14.

In some embodiments, a third sealing ring is disposed between the fixed gland 13 and the fixed interface 12 to improve the sealing performance of the box body 1.

In some embodiments, the fixed glan head 13 is provided as a unitary structure with the cartridge 1.

In some embodiments, a plurality of mounting holes 3 of the same type are provided, so that a plurality of glan heads 2 of the same type can be simultaneously mounted, and then a plurality of cables 16 of the same type can be simultaneously connected and assembled to meet the operation requirement.

The utility model provides a terminal box, through the mounting hole that sets up two kind at least models on the box body, and then correspond the glan head of installing the same type, realize the glan head of two kind at least models of same box body mountable, realize with the corresponding cable assembly connection of glan head model on the box body, just also be, same box body can correspond the cable of connecting two kind at least models, reduce the number that sets up of box body, improve the regularity and the clean and tidy nature that the cable was arranged, simultaneously, can improve the security of operation.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a junction box, its characterized in that, includes the gland head of box body and two kind at least models, the week side of box body be equipped with the same mounting hole of the model kind of gland head, the mounting hole with correspond the model gland head installation adaptation, the gland head is used for wearing to establish the cable of corresponding model.

2. The junction box of claim 1, further comprising a plug, wherein the type of the plug is the same as that of the mounting hole, and the plug is inserted into the mounting hole of the corresponding type.

3. The junction box of claim 2, wherein a second sealing ring is arranged between the plug and the mounting hole corresponding to the type of the second sealing ring, and the type of the second sealing ring is matched with the type of the mounting hole and the type of the plug.

4. The junction box of claim 2, wherein a first sealing ring is arranged between the corresponding type of the gland head and the mounting hole, and the type of the first sealing ring is matched with the type of the gland head and the type of the plug.

5. The junction box of claim 1, wherein the box body is provided with a first grounding nut, and a first grounding wire is connected to the first grounding nut and is connected to the ground.

6. The junction box of claim 5, wherein the box body has a terminal disposed therein, the terminal being disposed on a mounting plate, the mounting plate being disposed within the box body via a second ground nut.

7. The junction box of claim 6, wherein a third grounding nut is arranged on the inner side wall of the box body, and a second grounding wire is connected between the third grounding nut and the first grounding nut.

8. The junction box of any one of claims 1 to 7, further comprising a cover plate adapted to the box cover.

9. The junction box according to any one of claims 1 to 7, wherein the box body is further provided with a fixing interface, the fixing interface is fixedly provided with a fixing flange head, and the fixing flange head is used for penetrating and arranging a cable connected with a controller.

10. The junction box according to any one of claims 1 to 7, wherein a plurality of the mounting holes of the same type are provided.