CN206542436U

CN206542436U - A kind of wall-hanging explosion-proof network switch

Info

Publication number: CN206542436U
Application number: CN201720260780.2U
Authority: CN
Inventors: 田铭
Original assignee: Guangzhou Micro Run Information Technology Co Ltd
Current assignee: Guangzhou Micro Run Information Technology Co Ltd
Priority date: 2017-03-17
Filing date: 2017-03-17
Publication date: 2017-10-03
Anticipated expiration: 2027-03-17

Abstract

The utility model discloses a kind of wall-hanging explosion-proof network switch, including casing, the front of the casing is provided with cap, the back side of the cap is provided with sealing ring, the back side of the casing is installed with two hooks, the entrance hole being spaced substantially equidistant is offered at the top of the casing, the inside of the entrance hole is bonded with insulated ring, extend entrance hole to the outside of casing and be provided with the first external screw thread in the top of the insulated ring, the casing is arranged above dead ring, and the inner surface setting of the dead ring has the first internal thread.The wall-hanging explosion-proof network switch, casing is arranged above dead ring, the inner surface setting of dead ring has the first internal thread, dead ring is threadedly coupled with insulated ring, by the way that wiring is sequentially passed through into dead ring and sealing ring to the inside of dead ring, turning dead ring again can be fixed on wiring in entrance hole, simple to operate, solve the problem of existing explosion-proof network switch installation operation is cumbersome.

Description

A kind of wall-hanging explosion-proof network switch

Technical field

The utility model is related to explosion-proof network switch technology field, specially a kind of wall-hanging explosion-proof network switch.

Background technology

Explosion-proof electric apparatus is a class electrical equipment of the place use that there are explosion hazard gas and steam, with explosion-proof The degree of being widely used of electrical equipment is improved constantly, and explosion-proof wiring device related to this has also obtained great application, especially explosion-proof The network switch, is widely used because of its superior barrier propterty.

Because the flow of the people of computer teaching room is larger, so the security and durability of the network switch are also critically important, so The explosion-proof network switch is often used in computer teaching room, the existing explosion-proof network switch in order to reach waterproof, it is explosion-proof With it is dust-proof and other effects, the installation of butted line is excessively cumbersome, and, it is necessary to which professional is installed, the person of being not convenient to use uses, and increases Use cost.

Utility model content

(1) technical problem solved

In view of the shortcomings of the prior art, the utility model provides a kind of wall-hanging explosion-proof network switch, solves existing The problem of explosion-proof network switch installation operation having is cumbersome.

(2) technical scheme

To realize object above, the utility model is achieved by the following technical programs：A kind of wall-hanging explosion-proof network Interchanger, including casing, the front of the casing are provided with cap, and the back side of the cap is provided with sealing ring, the casing The back side be installed with two hooks.

The entrance hole being spaced substantially equidistant is offered at the top of the casing, the inside of the entrance hole is bonded with insulated ring, The top of the insulated ring extends entrance hole to the outside of casing and is provided with the first external screw thread, is set directly over the casing Dead ring is equipped with, the inner surface setting of the dead ring has the first internal thread, and the dead ring is threadedly coupled with insulated ring, described The first limited block is fixedly connected with the inwall of casing, first limited block is located at the underface of entrance hole, first limit On the block of position the position of correspondence entrance hole offers through hole, and the through hole is internally provided with dead ring, the inner surface of the through hole The second internal thread is provided with, the outer surface of the dead ring and inner surface are respectively arranged with the second external screw thread and the 3rd internal thread, The inside of the casing is also respectively provided with circuit board and the second limited block, the circuit board be located at the second limited block just under Side, the position that second limited block is located at correspondence through hole on the underface of the first limited block, second limited block is offered Spacing hole, the position of the circuit board correspondence spacing hole is provided with interface, and the outer surface of the interface is provided with the 3rd external screw thread, The top of the interface extended spacing hole to the inside of through hole and was threadedly coupled with dead ring.

It is preferred that, the back side of the casing, which is also fixedly connected with guide pad, the guide pad, offers guide groove, two The hook is using guide pad as with reference to symmetrical.

It is preferred that, the bottom of the circuit board is provided with power line, and the back side of casing is run through simultaneously in one end of the power line Extend guide groove to the outside of casing.

It is preferred that, the cap is fixedly connected on the front of casing by the first screw, the lateral surface of the sealing ring with The inwall contact of casing, second limited block is fixedly connected on the inwall of casing by the second screw.

It is preferred that, the diameter on the top of the dead ring is 4/5ths of its bottom diameter, and the insulated ring is rubber Circle, the dead ring and dead ring are rubber ring.

It is preferred that, the internal diameter of the insulated ring is identical with the internal diameter of dead ring, and stubborn ring is provided with the top of the dead ring, The stubborn ring is rubber ring, and the internal diameter of the stubborn ring is 5/6ths of dead ring internal diameter.

(3) beneficial effect

The utility model provides a kind of wall-hanging explosion-proof network switch, possesses following beneficial effect：

The wall-hanging explosion-proof network switch, by the way that wiring is sequentially passed through in dead ring and sealing ring to dead ring Wiring, can be quickly connected with interface by portion, then turn dead ring wiring can be fixed in entrance hole by turning stubborn ring, It is simple to operate, quickly wiring can be connected with the wall-hanging explosion-proof network switch, solved existing by fastening twice Explosion-proof network switch installation operation it is cumbersome the problem of, also, pass through the insulated ring that is internally provided with entrance hole, insulated ring Entrance hole can be completely cut off after being tightened with dead ring, be casing sealing, be threadedly coupled by interface with dead ring, provided for interface Effective sealing.

Brief description of the drawings

Fig. 1 is the utility model front view；

Fig. 2 is the utility model rearview；

Fig. 3 is the utility model front elevational view；

Fig. 4 is A-A structural representations in the utility model Fig. 1；

Fig. 5 is enlarged drawing at A in the utility model Fig. 3；

Fig. 6 is enlarged drawing at B in the utility model Fig. 3.

In figure：1 casing, 2 caps, 3 sealing rings, 4 hooks, 5 entrance holes, 6 insulated rings, 7 first external screw threads, 8 dead rings, 9 First internal thread, 10 first limited blocks, 11 through holes, 12 dead rings, 13 second internal threads, 14 second external screw threads, spiral shell in 15 the 3rd Line, 16 circuit boards, 17 second limited blocks, 18 spacing holes, 19 interfaces, 20 the 3rd external screw threads, 21 guide pads, 22 guide grooves, 23 electricity Ring is twisted in source line, 24 first screws, 25 second screws, 26.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment obtained, belongs to the scope of the utility model protection.

Fig. 1-6 are referred to, the utility model provides a kind of technical scheme：A kind of wall-hanging explosion-proof network switch, including Casing 1, the front of casing 1 is provided with cap 2, and the back side of cap 2 is provided with sealing ring 3, and cap 2 is fixed by the first screw 24 The front of casing 1 is connected to, the lateral surface of sealing ring 3 is contacted with the inwall of casing 1, using can be by backing out the first screw 24 Quickly the wall-hanging explosion-proof network switch is taken apart, and sealing ring 3 can be to provide sealing between cap 2 and casing 1, It is easy to operate, it is easy to user to use, the back side of casing 1 is installed with two hooks 4, and the back side of casing 1 is also fixedly connected Have and guide groove 22 is offered on guide pad 21, guide pad 21, two hooks 4 are, with reference to symmetrical, to pass through hook 4 with guide pad 21 The wall-hanging explosion-proof network switch is hung on wall, away from ground, it is to avoid water splashes, and will not easily be touched by people.

The top of casing 1 offers the entrance hole 5 being spaced substantially equidistant, and the inside of entrance hole 5 is bonded with insulated ring 6, insulation Circle 6 is rubber ring, and the top of insulated ring 6 extends entrance hole 5 to the outside of casing 1 and is provided with the first external screw thread 7, casing 1 Be arranged above dead ring 8, the diameter on the top of dead ring 8 is 4/5ths of its bottom diameter, can be by external connection Tie tight, the tight ness rating of increase external connection and dead ring 8 increases sealing property, and the inner surface setting of dead ring 8 has the first internal thread 9, dead ring 8 is threadedly coupled with insulated ring 6, threaded connection convenient use person's operation, it is not necessary to which professional can just operate, machine The first limited block 10 is fixedly connected with the inwall of shell 1, the first limited block 10 is located at the underface of entrance hole 5, the first limited block On 10 the position of correspondence entrance hole 5 offers through hole 11, and through hole 11 is internally provided with dead ring 12, dead ring 8 and dead ring 12 be rubber ring, rubber high resilience and good insulation preformance, using the teaching of the invention it is possible to provide superior sealing property, the internal diameter of insulated ring 6 and absolutely The internal diameter of edge ring 12 is identical, and the top of dead ring 12 is provided with stubborn ring 26, and it is rubber ring to twist ring 26, and the internal diameter for twisting ring 26 is insulation 5/6ths of the internal diameter of ring 12, can tie tight external connection, improve sealing effectiveness, and the inner surface setting of through hole 11 has the second internal thread 13, the outer surface of dead ring 12 and inner surface are respectively arranged with the second external screw thread 14 and the 3rd internal thread 15, and the inside of casing 1 is also The limited block 17 of circuit board 16 and second is respectively arranged with, circuit board 16 is located at the underface of the second limited block 17, the second limited block 17 are located at the underface of the first limited block 10, and the second limited block 17 is fixedly connected on the inwall of casing 1 by the second screw 25, the The position of correspondence through hole 11 offers spacing hole 18 on two limited blocks 17, and the position of the correspondence spacing hole 18 of circuit board 16, which is provided with, to be connect Mouth 19, the outer surface of interface 19 is provided with the 3rd external screw thread 20, and the top of interface 19 extended in spacing hole 18 to through hole 11 Portion is simultaneously threadedly coupled with dead ring 12, can be quickly connected external connection with interface 19 by turning stubborn ring 26, simple to operate, is led to Quickly wiring can be connected with the wall-hanging explosion-proof network switch after fastening twice, solve existing explosion-proof network and hand over The problem of installation operation of changing planes is cumbersome, the bottom of circuit board 16 is provided with power line 23, and one end of power line 23 is through casing 1 Guide groove 22 is simultaneously extended to the outside of casing 1 in the back side, can avoid power line 23 from the position of outlet in casing 1 by many Abrasion.

In use, user by the wall-hanging explosion-proof network switch by linking up with 4 hung on a wall, backed out from cap 2 First screw 24, cap 2 is removed, and external connection is sequentially passed through into dead ring 8 and sealing ring 3 to the inside of dead ring 12, makes it Insert in interface 19, dead ring 8 is turned first external connection is fixed in entrance hole 5, then turn stubborn ring 26, fix external connection In dead ring 12, cap 2 is covered, the first screw 24 is tightened, power line 23 is followed by electricity through guide groove 22.

In summary, the wall-hanging explosion-proof network switch, by by wiring sequentially pass through dead ring 8 and sealing ring 3 to The inside of dead ring 12, then turn dead ring 8 and wiring can be fixed in entrance hole 5, it will can be connect by turning stubborn ring 26 Line is quickly connected with interface 19, simple to operate, quickly can be handed over wiring and the wall-hanging explosion-proof network by fastening twice Change planes connection, solve the problem of existing explosion-proof network switch installation operation is cumbersome, also, by entrance hole 5 Portion is provided with insulated ring 6, and insulated ring 6 can close entrance hole 5 after being tightened with dead ring 8, be that casing 1 is sealed, pass through interface 19 It is threadedly coupled with dead ring 12, sealing is provided for wiring interface, reaches explosion-proof effect.

It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment Intrinsic key element.In the absence of more restrictions.By sentence " including one ... the key element limited, it is not excluded that Also there is other identical element in the process including the key element, method, article or equipment ", the electricity occurred in this article Device element is electrically connected with extraneous main controller and 220V civil powers, and main controller can play the routine of control for computer etc. Know equipment.

While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art, It is appreciated that these embodiments can be carried out in the case where not departing from principle of the present utility model and spirit a variety of changes, repaiies Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of wall-hanging explosion-proof network switch, including casing (1), it is characterised in that：The front of the casing (1) is provided with Cap (2), the back side of the cap (2) is provided with sealing ring (3), and the back side of the casing (1) is installed with two hooks (4)；

The entrance hole (5) being spaced substantially equidistant is offered at the top of the casing (1), the inside of the entrance hole (5) is bonded with absolutely Extend entrance hole (5) to the outside of casing (1) and be provided with the first external screw thread in edge circle (6), the top of the insulated ring (6) (7), the casing (1) is arranged above dead ring (8), and the inner surface setting of the dead ring (8) has the first internal thread (9), the dead ring (8) is threadedly coupled with insulated ring (6), and the first limited block is fixedly connected with the inwall of the casing (1) (10), first limited block (10) is located at correspondence entrance hole on the underface of entrance hole (5), first limited block (10) (5) position offers through hole (11), and the through hole (11) is internally provided with dead ring (12), the interior table of the through hole (11) Face is provided with the second internal thread (13), and the outer surface of the dead ring (12) and inner surface are respectively arranged with the second external screw thread (14) With the 3rd internal thread (15), the inside of the casing (1) is also respectively provided with circuit board (16) and the second limited block (17), described Circuit board (16) is located at the underface of the second limited block (17), and second limited block (17) is being located at the first limited block (10) just The position of correspondence through hole (11) offers spacing hole (18) on lower section, second limited block (17), and the circuit board (16) is right The position of spacing hole (18) is answered to be provided with interface (19), the outer surface of the interface (19) is provided with the 3rd external screw thread (20), institute The top for stating interface (19) extended spacing hole (18) to the inside of through hole (11) and was threadedly coupled with dead ring (12).

2. a kind of wall-hanging explosion-proof network switch according to claim 1, it is characterised in that：The back of the body of the casing (1) Face, which is also fixedly connected with guide pad (21), the guide pad (21), offers guide groove (22), and two hooks (4) are to lead It is with reference to symmetrical to block (21).

3. a kind of wall-hanging explosion-proof network switch according to claim 1 or 2, it is characterised in that：The circuit board (16) bottom is provided with power line (23), and one end of the power line (23) runs through the back side of casing (1) and extends guiding Groove (22) to casing (1) outside.

4. a kind of wall-hanging explosion-proof network switch according to claim 1, it is characterised in that：The cap (2) passes through First screw (24) is fixedly connected on the front of casing (1), and the lateral surface of the sealing ring (3) is contacted with the inwall of casing (1), Second limited block (17) is fixedly connected on the inwall of casing (1) by the second screw (25).

5. a kind of wall-hanging explosion-proof network switch according to claim 1, it is characterised in that：The dead ring (8) The diameter on top is 4/5ths of its bottom diameter, and the insulated ring (6) is rubber ring, the dead ring (8) and dead ring (12) it is rubber ring.

6. a kind of wall-hanging explosion-proof network switch according to claim 1, it is characterised in that：The insulated ring (6) Internal diameter is identical with the internal diameter of dead ring (12), and stubborn ring (26) is provided with the top of the dead ring (12), and the stubborn ring (26) is Rubber ring, the internal diameter of the stubborn ring (26) is 5/6ths of dead ring (12) internal diameter.