CN208723791U - A kind of length adjustable mains charger - Google Patents

Abstract

The utility model discloses a kind of length adjustable mains chargers, including main body and capping, the bottom end of the main body is provided with the first heat sink, the upper surface of the heat transfer plate, which is pasted, is connected with circuit component board, the main body is internally provided with holding groove, the capping is located at the top of main body, the lower surface of the capping is fixedly connected with connecting rod, the inside of the sliding slot is equipped with mounting blocks, and spring is fixedly connected on the inside of mounting blocks, envelope block is provided on the left of the connecting rod, the lower section for adjusting outlet is provided with line bar, the outer surface coiling of the line bar has wiring, the outer surface of the main body, which is pasted, is connected with rubber pad.The length adjustable mains charger, it is convenient to radiate to the mains charger, increase the service life of the mains charger, installation easy to disassemble, it can be avoided main body and capping broken, and can be avoided plug and be damaged, and the length that main body is stretched out in wiring can be adjusted.

Description

A kind of length adjustable mains charger

Technical field

The utility model relates to mains charger technical field, specially a kind of length adjustable mains charger.

Background technique

Charger is commonly referred to as a kind of equipment for converting alternating current to low-voltage DC, and charger is used in every field Way extensively, is especially widely used in the common electric appliance such as mobile phone and camera, and charger is using power electronic semiconductor device Voltage and the changeless convert alternating current of frequency are a kind of static ac dc converter device of direct current, general power source charges by part Device easily generates heat during charging, damages the internal element of mains charger, it has not been convenient to disassembly installation, shell and plug easily quilt Damage, the length of wiring are not adjustable, it has not been convenient to it uses, therefore, it is proposed that a kind of length adjustable mains charger, so as to In solving the problems, such as to propose among the above.

Utility model content

The purpose of this utility model is to provide a kind of length adjustable mains chargers, to solve in above-mentioned background technique The existing mains charger proposed easily generates heat during charging, damages the internal element of mains charger, it has not been convenient to tear open Installation is unloaded, shell and plug are easily damaged, and the length of wiring is not adjustable, it has not been convenient to the problem of using.

To achieve the above object, the utility model provides the following technical solutions: a kind of length adjustable mains charger, packet Main body and capping are included, the bottom end of the main body is provided with the first heat sink, and the upper surface of the first heat sink pastes and is connected with biography Hot plate, the upper surface of the heat transfer plate, which is pasted, is connected with circuit component board, and the main body is internally provided with holding groove, and accepts The outer surface of slot offers handle hole, and handle hole runs through main body, and the capping is located at the top of main body, and the top covered It is provided with the second heat sink, the lower surface of the capping is fixedly connected with connecting rod, and the inside of connecting rod offers sliding slot, institute The inside for stating sliding slot is equipped with mounting blocks, and spring is fixedly connected on the inside of mounting blocks, is provided on the left of the connecting rod Block is sealed, and seals below block and is provided with adjusting outlet, the lower section for adjusting outlet is provided with line bar, and the left end welding of line bar There is lever, the outer surface coiling of the line bar has wiring, and the end of wiring is connected with plug, and the outer surface of the main body is pasted It is connected with rubber pad.

Preferably, the inside of first heat sink and the second heat sink is in vesicular texture, and the first heat sink Length scale and the length scale of the second heat sink are equal to the length scale of circuit component board.

Preferably, the mounting blocks are stretching structure in connecting rod, and mounting blocks are symmetrical about the center line of connecting rod 2 are provided with, and the distance between 2 mounting blocks outer walls are greater than the inner diameter size on holding groove top, and holding groove is vertical The T-shaped structure in section.

Preferably, the L-shaped structure in the longitudinal section of the rubber pad, and rubber pad is in the lower surface quadrangle of main body and envelope There is setting in the upper surface quadrangle of lid.

Preferably, the line bar runs through main body, and line bar constitutes rotational structure by lever and main body.

Preferably, the connection type of the plug and main body is card slot connection, and the connection type for sealing block and main body is card Close connection.

Compared with prior art, the utility model has the beneficial effects that the length adjustable mains charger, convenient to this Mains charger heat dissipation increases the service life of the mains charger, and installation easy to disassemble, can be avoided main body and capping is fallen It is bad, and can be avoided plug and be damaged, and the length that main body is stretched out in wiring can be adjusted；

1. being provided with the first heat sink and the second heat sink, the length scale of the first heat sink and the second heat sink is equal to The length scale of circuit component board increases the service life of the mains charger so that convenient radiate to the mains charger；

2. holding groove, connecting rod and mounting blocks are provided with, due to being connected between mounting blocks and mounting blocks by spring, from And mounting blocks are stretching structure in connecting rod, for mounting blocks during entering holding groove, spring is in compressed state, When mounting blocks enter the bottom end of holding groove, under the elastic reaction of spring, mounting blocks enter at left and right sides of the bottom end of holding groove, To which connecting rod to be mounted in holding groove, facilitates and capping is quick installed in main body；

3. it is provided with rubber pad, the L-shaped structure in the longitudinal section of rubber pad, and rubber pad is in the lower surface quadrangle of main body There is setting with the upper surface quadrangle of capping, main body and capping can be protected using rubber pad, can be avoided main body and capping quilt It breaks；

4. being provided with line bar, wiring and plug, the outer surface coiling of line bar has wiring, by rotating line bar in main body, The length that main body is stretched out in wiring can be adjusted, and since the connection type of plug and main body is card slot connection, is not using plug When, plug is mounted in main body, plug is can be avoided and is damaged.

Detailed description of the invention

Fig. 1 is that the utility model faces cutting structural schematic diagram；

Fig. 2 is the utility model side view cutting structural schematic diagram；

Fig. 3 is that the utility model overlooks cutting structural schematic diagram；

Fig. 4 is the attachment structure schematic diagram of the utility model main body and capping；

Fig. 5 is enlarged structure schematic diagram at A in the utility model Fig. 1.

In figure: 1, main body；2, the first heat sink；3, heat transfer plate；4, circuit component board；5, holding groove；6, it covers；7, second Heat sink；8, connecting rod；9, sliding slot；10, mounting blocks；11, spring；12, block is sealed；13, rubber pad；14, line bar；15, lever； 16, wiring；17, plug；18, outlet is adjusted；19, handle hole.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of length adjustable mains charger, including Main body 1, the first heat sink 2, heat transfer plate 3, circuit component board 4, holding groove 5, capping the 6, second heat sink 7, connecting rod 8, sliding slot 9, mounting blocks 10, spring 11, envelope block 12, rubber pad 13, line bar 14, lever 15, wiring 16, plug 17, adjusting outlet 18 and behaviour Make hole 19, the bottom end of main body 1 is provided with the first heat sink 2, and the upper surface of the first heat sink 2 pastes and is connected with heat transfer plate 3, passes The upper surface of hot plate 3, which is pasted, is connected with circuit component board 4, and main body 1 is internally provided with holding groove 5, and the outer surface of holding groove 5 Handle hole 19 is offered, and handle hole 19 runs through main body 1, capping 6 is located at the top of main body 1, and the top of capping 6 is provided with Second heat sink 7, the lower surface for covering 6 is fixedly connected with connecting rod 8, and the inside of connecting rod 8 offers sliding slot 9, sliding slot 9 Inside is equipped with mounting blocks 10, and the inside of mounting blocks 10 is fixedly connected with spring 11, and mounting blocks 10 are flexible in connecting rod 8 Structure, and mounting blocks 10 have 2, and the distance between 2 10 outer walls of mounting blocks about the center line symmetrical setting of connecting rod 8 Greater than the inner diameter size on 5 top of holding groove, and the T-shaped structure in longitudinal section of holding groove 5, so that mounting blocks 10 are entering During holding groove 5, spring 11 is in compressive state, after holding groove 5, due to and the longitudinal section of holding groove 5 be in " T " font structure, spring 11 restores, mounting blocks 10 is mounted in holding groove 5, to capping 6 is mounted in main body 1, benefit The handle hole 19 opened up with 5 outer surface of holding groove can skid off mounting blocks 10, installation easy to disassemble out of holding groove 5, connection The left side of bar 8 is provided with envelope block 12, and the lower section for sealing block 12 is provided with adjusting outlet 18, and the lower section setting for adjusting outlet 18 is wired Bar 14, and the left end of line bar 14 is welded with lever 15, the outer surface coiling of line bar 14 has wiring 16, and the end connection of wiring 16 There is plug 17, plug 17 is that card slot is connect, and sealing block 12 with the connection type of main body 1 is to engage company with the connection type of main body 1 It connects, plug 17 can be protected, plug 17 is avoided to be damaged, the outer surface of main body 1, which is pasted, is connected with rubber pad 13, rubber The L-shaped structure in the longitudinal section of pad 13, and rubber pad 13 is equal in the lower surface quadrangle of main body 1 and the upper surface quadrangle of capping 6 There is setting, can be avoided main body 1 using rubber pad 13 and capping 6 is broken；

The inside of the first heat sink 2 and the second heat sink 7 is in vesicular texture as shown in figure 1, and the length of the first heat sink 2 Degree size and the length scale of the second heat sink 7 are equal to the length scale of circuit component board 4, utilize the first heat sink 2 and the Two heat sinks 7 can increase the service life of the mains charger effectively to the internal heat dissipating of the mains charger；

As line bar 14 runs through main body 1 in Fig. 3, and line bar 14 constitutes rotational structure by lever 15 and main body 1, utilizes line bar 14 rotation in main body 1, the wiring 16 of convenient retracted 14 outer surface of line bar coiling stretch out main body 1 convenient for adjusting wiring 16 Length.

Working principle: it when using the length adjustable mains charger, is needing from main body 1 to tear capping 6 open first It unloads, when repairing to the inside of main body 1, user touches mounting blocks 10 by handle hole 19, is slidably installed in sliding slot 9 Block 10, to the interior Slideslip of connecting rod 8, the spring 11 between mounting blocks 10 and mounting blocks 10 compressed mounting blocks 10, mounting blocks 10 skid off from the bottom end of holding groove 5, push up connecting rod 8 in the inside of holding groove 5, and connecting rod 8 is moved out of holding groove 5 Out, so that capping 6 be removed from main body 1；

In length adjustable mains charger work, the heat that heat transfer plate 3 generates circuit component board 4 passes through first Heat sink 2 sheds main body 1, and since heat flows up, and sends out master by the heat that the second heat sink 7 can will flow up Body 1 avoids in use process since the overheat of main body 1 causes circuit component board 4 impaired；

When the length adjustable mains charger and power interface distance farther out when, rotate lever 15, line bar 14 is in main body 1 The wiring 16 being coiled in line bar 14 is released in interior rotation, so that the use length of wiring 16 is adjusted, when charging work is completed Afterwards, line bar 14 is rotated, main body 1 is withdrawn into wiring 16, since plug 17 is that card slot is connect with the connection type of main body 1, by plug 17 are mounted in main body 1, and plug 17 is avoided to be damaged, when the length adjustable mains charger drops underground accidentally, rubber Pad 13 can protect the corner of the length adjustable mains charger, above just to complete the length adjustable power source charges The sequence of operations of device, the content being not described in detail in this explanation belong to existing skill well known to professional and technical personnel in the field Art.

The standardized element that the utility model uses can commercially, shaped piece according to specification and attached drawing Record can carry out customized, the specific connection type of each part is all made of in the prior art mature bolt, rivet, weldering Equal conventional means are connect, mechanical, part and equipment are all made of in the prior art, conventional model, in addition circuit connection is using existing Conventional connection type in technology, this will not be detailed here.

Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all It is included within the scope of protection of this utility model.

Claims (6)

1. a kind of length adjustable mains charger, including main body (1) and capping (6), it is characterised in that: the main body (1) Bottom end is provided with the first heat sink (2), and the upper surface of the first heat sink (2) pastes and is connected with heat transfer plate (3), the heat transfer plate (3) upper surface, which is pasted, to be connected with circuit component board (4), and the main body (1) is internally provided with holding groove (5), and holding groove (5) outer surface offers handle hole (19), and handle hole (19) runs through main body (1), and the capping (6) is located at main body (1) Top, and cover (6) top be provided with the second heat sink (7), it is described capping (6) lower surface be fixedly connected with connecting rod (8), and the inside of connecting rod (8) offers sliding slot (9), and the inside of the sliding slot (9) is equipped with mounting blocks (10), and mounting blocks (10) it is fixedly connected on the inside of spring (11), envelope block (12) is provided on the left of the connecting rod (8), and seal under block (12) Side is provided with adjusting outlet (18), is provided with line bar (14) below the adjusting outlet (18), and the left end weldering of line bar (14) It is connected to lever (15), the outer surface coiling of the line bar (14) has wiring (16), and the end of wiring (16) is connected with plug (17), the outer surface of the main body (1), which is pasted, is connected with rubber pad (13).

2. a kind of length adjustable mains charger according to claim 1, it is characterised in that: first heat sink It (2) is in vesicular texture with the inside of the second heat sink (7), and the length scale and the second heat sink of the first heat sink (2) (7) length scale is equal to the length scale of circuit component board (4).

3. a kind of length adjustable mains charger according to claim 1, it is characterised in that: the mounting blocks (10) exist It is stretching structure in connecting rod (8), and mounting blocks (10) have 2, and 2 about the center line symmetrical setting of connecting rod (8) The distance between mounting blocks (10) outer wall is greater than the inner diameter size on holding groove (5) top, and the longitudinal section of holding groove (5) is in " T " font structure.

4. a kind of length adjustable mains charger according to claim 1, it is characterised in that: the rubber pad (13) The L-shaped structure in longitudinal section, and rubber pad (13) is equal in the lower surface quadrangle of main body (1) and the upper surface quadrangle of capping (6) There is setting.

5. a kind of length adjustable mains charger according to claim 1, it is characterised in that: the line bar (14) is run through Main body (1), and line bar (14) constitutes rotational structure by lever (15) and main body (1).

6. a kind of length adjustable mains charger according to claim 1, it is characterised in that: the plug (17) and master The connection type of body (1) is card slot connection, and the connection type for sealing block (12) and main body (1) is to be connected together.