CN206574932U - A kind of waterproofing protection plug - Google Patents

Abstract

The utility model discloses a kind of waterproofing protection plug, including three blade, pcb board, cable and housing, body set is connected with housing；One end that the body is put in housing is provided with three line outlets；Cable include wrapping up the live wire core of wired skin, wire core, three cores of zero line core and the insulating outer layer that is coated on the outside of in the middle part of three, one end of insulating outer layer is located in body set, three line outlets that three cores at the end cover from body respectively are passed and are connected with pcb board, and tack coat is coated between the side wall of three cores and three line outlets.The waterproofing protection plug that the utility model is provided; it is used to prevent condensed water from entering simple and practical in housing along cable; the line outlet that every core is put with body respectively is bonded, and binding material consumption is few and cut-off effect is obvious, it is to avoid damage of the condensed water to enclosure interior electronic component.

Description

A kind of waterproofing protection plug

Technical field

The utility model is related to protection of plug field, more particularly to one kind can prevent condensed water from entering shell along inside cable Internal waterproofing protection plug.

Background technology

As depicted in figs. 1 and 2, wrapped up in current cable wired skin live wire core 6 ', wire core 7 ' and zero line 8 ' three Root core binds together, and is wrapped in jointly by one layer of insulating outer layer 18 ', is that a section is round in the middle part of insulating outer layer 18 ' The hollow structure of shape, exists between its inwall and three cores and is provided with the set of the body on certain space, traditional plug 5 ' One through hole, the insulating outer layer 18 ' of cable passes through the through hole, and allow three cores one end and housing in pcb board connection, three The other end of root core is connected with equipment.As shown in figure 3, part electronic equipment 2 ' is when in use, its setting height(from bottom) is generally greater than Socket 3 ', the plug of electronic equipment 2 ' is inserted on socket 3 '.In the course of the work, internal part is sometimes hot and sometimes cold for electronic equipment 2 ', So that the condensation vapor formation condensed water in its inner air, condensed water can be along insulating outer layer 18 ' in cable and three lines Space between core contacts its internal inner member, makes electronic component because of short circuit toward flowing down and entering in the housing 1 ' of plug And occur damage, shut down etc., and make electronic equipment 2 ' can not normal work and cause economic loss.

Utility model content

The purpose of this utility model is to provide a kind of waterproofing protection plug, and it is used to prevent condensed water from entering housing along cable Interior is simple and practical, and the line outlet that every core is put with body respectively is bonded, and binding material consumption is few and separates Effect is obvious, it is to avoid damage of the condensed water to plug casing internal electronic element.

To achieve the above object, the utility model provides a kind of waterproofing protection plug, including three blade, pcb board, cables And housing, body set is connected with housing；One end that the body is put in housing is provided with three line outlets；Cable includes Wrap up wired skin live wire core, wire core, three cores of zero line core and the insulating outer layer that is coated on the outside of in the middle part of three, One end of insulating outer layer is located in body set, three line outlets that three cores at the end cover from body respectively pass and with Pcb board is connected, and tack coat is coated between the side wall of three cores and three line outlets.

As further improvement of the utility model, the tack coat is Tianna solution, the body set and the live wire line Core, wire core, the line skin on three cores of zero line core be plastic cement or rubber.

Further improved as of the present utility model, the pcb board is connected with corresponding with three cores difference Provided with three core connecting portions in three terminals, the housing, three groups of connection punishment mutually between corresponding terminal and core It is not fixed on three core connecting portions, the line between three core connecting portions is triangular in shape.

Further improved as of the present utility model, boss or concave station, one of them described line are provided with the housing Core connecting portion is arranged on boss bottom both sides or recessed in boss top or the bottom of concave station, two other core connecting portion Both sides at the top of platform.

Further improved as of the present utility model, towards the body between two adjacent core connecting portions The side of set is provided with block.

Further improved as of the present utility model, the housing is supported on the pcb board edge provided with multiple Muscle position, the muscle position is included at the top of support platform, the support platform provided with positioning raised and on the outside of pcb board edge Portion, the location division bottom is provided with breach at least between a lateral edges and support platform.

Beneficial effect

Compared with prior art, waterproofing protection plug of the present utility model has advantages below：

1st, not only prevent condensed water from entering along cable in plug casing, it is to avoid electronic component occurs because encountering condensed water Damage, and the corresponding line outlet position of three cores is fixed, and solve made three because of only one of which line outlet in the past Line twist together and need to its again whole appearance the problem of, the process for reducing the whole appearance of core further saves the production time, Improve production efficiency；

2nd, Tianna solution has certain corrosivity to plastic cement or rubber, so that put with body three of three cores go out Line mouthful side wall is bonded together, and eliminates gap, cut-off effect is played to condensed water, because Tianna solution is easily obtained in the industrial production , cost is low, the use of less amount is every time that can reach good bond effect；

3rd, the line between three core connecting portions is triangular in shape, compared with three in the prior art is in yi word pattern arrangement, Live wire core in this structure, spacing between wire core and zero line core terminals it is bigger, without being carried out to three cores Whole appearance, saves man-hour, so that production efficiency is improved, and also this arrangement need not increase waterproofing protection plug body Size is that can be achieved, and saves manufacturing cost；

4th, make the line between three core connecting portions triangular in shape by the boss or concave station in housing, it can be fully sharp Core is arranged with the thickness of shell of Switching Power Supply, space availability ratio is high, saves material cost；

5th, the block between two neighboring core connecting portion ensure that the pressure-resistant distance between polarity；

6th, can by the breach between muscle position location division and support platform when pcb board is placed on muscle position by operating personnel See and confirm whether pcb board is installed in place, it is to avoid pcb board floats bad.

By following description and with reference to accompanying drawing, the utility model will become more fully apparent, and these accompanying drawings are used to explain this The embodiment of utility model.

Brief description of the drawings

, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing used required in description of the prior art is briefly described, it should be apparent that, drawings in the following description are only It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work Under, other accompanying drawings can also be obtained according to these accompanying drawings.

The attachment structure partial sectional view that Fig. 1 covers for the cable of current plug with body；

The sectional view that Fig. 2 covers for the cable of current plug with body；

Fig. 3 is the position view of electronic equipment counterpart receptacle；

Fig. 4 is waterproofing protection plug partial sectional view of the present utility model；

Fig. 5 is the cable and body casing connecting structure schematic diagram of waterproofing protection plug of the present utility model；

Fig. 6 is the A direction views in Fig. 4；

Fig. 7 is B in Fig. 5 to enlarged drawing；

Fig. 8 is the line outlet schematic diagram of body set in the utility model；

Fig. 9 is muscle position and the position view of pcb board；

Figure 10 is the partial structural diagram of muscle position.

In Fig. 1-3, housing 1 '；Electronic equipment 2 '；Socket 3 '；Body set 5 '；Live wire core 6 '；Ground wire core 7 '；Zero line 8’；Insulating outer layer 18 '.

In Fig. 4-10, housing 1；Blade 4；Body set 5；Line outlet 51；Neck 53；Live wire core 6；Ground wire core 7；Zero line Core 8；Fire line terminal 9；Zero terminal 10；First mounting surface 11；Second mounting surface 12；3rd mounting surface 13；Block 14；It is spacing Groove 15；Ground wire terminal 16；Tack coat 17；Insulating outer layer 18；Pcb board 19；Muscle position 23；Support platform 231；Location division 232；Breach 233。

Embodiment

Embodiment of the present utility model is described with reference now to accompanying drawing.

Embodiment 1

Embodiment of the present utility model is as shown in Fig. 4 to Figure 10, a kind of waterproofing protection plug, including three blade 4th, pcb board 19, cable and housing 1.Housing 1 covers mounting hole provided with body, and the outer wall of body set 5 is provided with to cover with body and installed The neck 53 that hole is adapted, body set 5 is connected on housing 1.It is located at one end in housing 1 on body set 5 provided with three outlets Mouth 51；Cable include wrapping up the live wire core 6 of wired skin, wire core 7,8 three cores of zero line core and be coated in three Insulating outer layer 18 on the outside of portion, one end of insulating outer layer 18 is located in body set 5, and three cores at the end are respectively from body set 5 Three line outlets 51 pass and be connected with pcb board 19.Bonding is coated between the side wall of three cores and three line outlets 51 Layer 17.It not only prevents condensed water from entering along cable in housing 1, it is to avoid electronic component is damaged because encountering condensed water, And the corresponding position of line outlet 51 of three cores is fixed, solve makes three line strands because of only one of which line outlet in the past Together and need to its again whole appearance the problem of, the process for reducing the whole appearance of core further saves the production time, improve Production efficiency.

Pcb board 19 is connected with fire line terminal 9, ground wire terminal 16 and zero terminal 10, three respectively with live wire core 6, Wire core 7 and zero line core 8 are connected.

Tack coat 17 is Tianna solution, body set 5 and live wire core 6, wire core 7, the line on 8 three cores of zero line core Skin is plastic cement or rubber.In the present embodiment, line skin and body set 5 are plastic cement, and Tianna solution has certain corrosion to plastic cement Property, so that three cores cover the side wall of three line outlets 51 on 5 with body and are bonded together, gap is eliminated, condensed water is risen To cut-off effect, because Tianna solution is readily available in the industrial production, cost is low, the use of less amount is every time that can reach well Bond effect.In traditional structure as shown in Figure 2, if to carry out encapsulation process, because its gap is larger, using corrosivity Coating can not by core and body set 5 between space seal completely；And if carried out using other filled solid materials Sealing, because space is smaller, manufacture difficulty is big in technique, and cost is high；And its mobility of common glue is not high, occurs part and do not have There is cohesive possibility, and consumption is not easily controlled, and is easily wasted.

Pcb board 17 is connected with provided with three core connecting portions in three terminals corresponding with three core difference, housing 1, Three groups of junctions mutually between corresponding terminal and core are separately fixed on three core connecting portions, three core connecting portions Between line it is triangular in shape.Compared with three in the prior art is in yi word pattern arrangement, live wire core, ground wire line in this structure Spacing between core and zero line core terminals is bigger, without carrying out whole appearance to three cores, man-hour is saved, so as to improve Production efficiency, and this arrangement need not increase the size of waterproofing protection plug body and can be achieved, and save and be manufactured into This.

Be provided with boss or concave station in housing 1, one of core connecting portion at the top of boss or concave station bottom, in addition Two core connecting portions are arranged on both sides at the top of boss bottom both sides or concave station.As shown in figure 3, being provided with boss, boss in housing 1 Top surface be the second mounting surface 12, boss bottom both sides are respectively equipped with the first mounting surface 11 and the 3rd mounting surface 13.Ground wire core 7 Core connecting portion on the second mounting surface 12 at the top of the boss, the core connecting portion of live wire core 6 is in the first mounting surface On 11, the core connecting portion of zero line core 8 is on the 3rd mounting surface 13.Three cores are connected by the boss in housing 1 Line between portion is triangular in shape, and it can make full use of the thickness of housing 1 of Switching Power Supply to be arranged core, space availability ratio Height, saves material cost.

Between two adjacent core connecting portions towards body cover 5 side be provided with block 14, its ensure that polarity it Between pressure-resistant distance.

Housing 1 includes support platform 231 provided with multiple muscle positions 23 for being supported on the edge of pcb board 19, muscle position 23, and support is flat The top of platform 231 is provided with location division 232 raised and on the outside of the edge of pcb board 19, the bottom of a location division 232 at least lateral edges Breach 233 is provided between support platform 231.

As shown in Figures 9 and 10, housing 1 is provided with four muscle for being supported on the edge of pcb board 19 positions 23, and muscle position 23 includes support Platform 231, the top of support platform 231 is provided with location division 232 raised and on the outside of the edge of pcb board 19, the bottom of location division 232 Jagged 233 are all provided between portion both sides of the edge and support platform 231.When pcb board 19 is placed on muscle position 23 by operating personnel, lead to The breach 233 crossed between muscle position location division 232 and support platform 231 can be seen and confirm whether pcb board 19 is installed in place, it is to avoid Pcb board 19 floats bad.

As shown in figure 4, be equipped with stopper slot 15 on three core connecting portions, live wire core 6, wire core 7 and zero line line Core 8 is stuck on stopper slot 15, and stopper slot 15 can prevent three from being rotated around screw, further ensure that between polarity it is pressure-resistant away from From.

As shown in figure 5, body set 5 is provided with net tail 52, the net tail that body is put can enter row buffering, prevent on its interior Core because bending cause fracture.

In above-described embodiment, the boss in housing 1 can also be replaced with concave station, the core connecting portion of ground wire core 7 in Boss top, the core connecting portion of live wire core 6 and the core connecting portion of zero line core 8 are located at two at the top of concave station respectively Side.

The utility model is described above in association with most preferred embodiment, but the utility model is not limited to the above and taken off The embodiment shown, and the various modifications carried out according to essence of the present utility model, equivalent combinations should be covered.

Claims (6)

1. a kind of waterproofing protection plug, including three blade (4), pcb board (19), cable and housing (1), connected on housing (1) There is body set (5)；Characterized in that, the one end being located on the body set (5) in housing (1) is provided with three line outlets (51)； Cable include wrapping up the live wire core (6) of wired skin, wire core (7), (8) three cores of zero line core and be coated in three Insulating outer layer (18) on the outside of portion, one end of insulating outer layer (18) is located in body set (5), three cores difference at the end Pass and be connected with pcb board (19) from three line outlets (51) of body set (5), three cores and three line outlets (51) Side wall between be coated with tack coat (17).

2. a kind of waterproofing protection plug according to claim 1, it is characterised in that the tack coat (17) is Tianna solution, The body set (5) and the live wire core (6), wire core (7), the line skin on (8) three cores of zero line core be modeling Glue or rubber.

3. a kind of waterproofing protection plug according to claim 1 or 2, it is characterised in that the pcb board (19) be connected with Three cores are distinguished provided with three core connecting portions in corresponding three terminals, the housing (1), and three groups mutually corresponding Junction between terminal and core is separately fixed on three core connecting portions, the line between three core connecting portions It is triangular in shape.

4. a kind of waterproofing protection plug according to claim 3, it is characterised in that in the housing (1) provided with boss or Concave station, one of them described core connecting portion is set in boss top or the bottom of concave station, two other core connecting portion Put the both sides at the top of boss bottom both sides or concave station.

5. a kind of waterproofing protection plug according to claim 4, it is characterised in that two adjacent core connecting portions Between towards the side of the body set (5) be provided with block (14).

6. a kind of waterproofing protection plug according to claim 1, it is characterised in that the housing (1) is provided with multiple Support in the muscle position (23) at the pcb board (19) edge, the muscle position (23) includes support platform (231), the support platform (231) top is provided with location division (232) raised and on the outside of pcb board (19) edge, and location division (232) bottom is extremely It is few that breach (233) is provided between a lateral edges and support platform (231).