CN213243803U

CN213243803U - Conveniently change high protection heat dissipation formula power adapter of accessory

Info

Publication number: CN213243803U
Application number: CN202022591977.9U
Authority: CN
Inventors: 罗雄军
Original assignee: Huizhou Fujia Electrical Technology Co ltd
Current assignee: Huizhou Fujia Electrical Technology Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-05-18
Anticipated expiration: 2030-11-11

Abstract

The utility model discloses a conveniently change high protection heat dissipation formula power adapter of accessory, including lower casing, casing upper end swing joint has last casing down, the internal swing joint of inferior valve has PCB board body, PCB board body left end fixedly connected with first cable, PCB board body right end fixedly connected with second cable, first arc recess has been seted up on casing upper end left side and right side down, second arc recess has been seted up on last casing lower extreme left side and right side, the circular connecting block of first cable and second cable outside fixedly connected with symmetric distribution, the inboard first stopper of fixedly connected with of circular connecting block. This conveniently change high protection heat dissipation formula power adapter of accessory constitutes the several support through spare parts such as fixed block and bracing piece, fixes PCB board body through this support, through the elastic force of the gliding of bracing piece in the spout and spring, carries out the shock attenuation, reduces the harm to PCB board body when this power adapter falls the ground.

Description

Conveniently change high protection heat dissipation formula power adapter of accessory

Technical Field

The utility model relates to a power adapter technical field specifically is a conveniently change high protection heat dissipation formula power adapter of accessory.

Background

The power adapter is a small portable electronic device and an electric appliance power supply conversion device, and is widely applied to devices such as mobile phones, game machines, notebook computers, routers and the like.

The power adapter mainly comprises shell, power transformer and rectifier circuit, but current power adapter protectiveness is relatively poor, when falling to the ground, can lead to inside components and parts to drop or damage because of vibrations, influences the security performance, and the radiating effect is relatively poor, and in voltage conversion process, has some energy loss to fall, and the majority distributes out with hot mode, if not dispel the heat to inside in time, will influence its life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently change high protection heat dissipation formula power adapter of accessory to propose the relatively poor problem of current power adapter barrier propterty in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a conveniently change high protection heat dissipation formula power adapter of accessory, includes casing down, casing upper end swing joint has last casing down, the internal swing joint of inferior valve has the PCB board body, PCB board body left end fixedly connected with first cable, the body right end fixedly connected with second cable of PCB, first arc recess has been seted up on casing upper end left side and right side down, go up casing lower extreme left side and right side and seted up second arc recess, the circular connecting block of first cable and second cable outside fixedly connected with symmetric distribution, the inboard first stopper of fixedly connected with of circular connecting block, the second stopper of circular connecting block outside fixedly connected with, the fixed block of the internal lower extreme fixedly connected with equidistance distribution of inferior valve, the spout has been seted up to the fixed block upper end.

Preferably, the lower extreme swing joint has the spring in the spout, it has the bracing piece to peg graft in the spout, the bracing piece laminating is in the spring upper end, bracing piece outside fixedly connected with mounting panel, set up the through-hole that the equidistance distributes on the PCB body, the bracing piece is pegged graft in the through-hole, the PCB body laminating is in the mounting panel upper end.

Preferably, the upper end of the inner side of the upper shell is fixedly connected with fixing rods distributed at equal intervals, the lower end of each fixing rod is fixedly connected with a metal elastic sheet, the outer side of each metal elastic sheet is inserted with a rubber sleeve, and the rubber sleeves are attached to the upper end of the PCB body.

Preferably, the upper end fixedly connected with symmetric distribution's support in the upper casing, the inboard fixedly connected with radiator fan of support, the air intake that the equidistance distributes is seted up to casing front end and rear end down, the air exit that the equidistance distributes is seted up to the upper casing upper end, fixedly connected with dust screen in air intake and the air exit.

Preferably, the upper end of the lower shell is fixedly connected with fixing columns distributed at equal intervals, and the lower end of the upper shell is provided with fixing holes distributed at equal intervals.

Preferably, the circular connecting block is inserted into the first arc-shaped groove and the second arc-shaped groove, the first limiting block is positioned in the lower shell, and the second limiting block is positioned outside the lower shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the high-protection heat dissipation type power adapter with the convenient accessory replacement has the advantages that the plurality of supports are formed by the fixing blocks, the springs, the supporting rods and other parts, the PCB body is fixed through the supports, and the vibration is reduced through the sliding of the supporting rods in the sliding grooves and the elastic force of the springs, so that the damage to the PCB body when the power adapter falls to the ground can be reduced;

2. this conveniently change high protection heat dissipation formula power adapter of accessory, spare parts such as dead lever, metal shrapnel and rubber sleeve constitute and put down the pressure equipment and put, and the elastic force through metal shrapnel is fixed PCB board body, when needing to change the accessory, than the fix with screw, and more convenient and fast, and the elastic force through metal shrapnel also plays further shock attenuation effect.

3. This conveniently change high protection heat dissipation formula power adapter of accessory constitutes a heat dissipation wind channel through radiator fan, air intake and air exit, to inside cooling, reduces inside temperature, prevents to influence the life of inside electrical components, and installs the dust screen in air intake and the air exit, can prevent the radiating process, the dust gets into in this power adapter.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the internal structure of the upper housing of the present invention;

fig. 4 is the schematic view of the mounting structure of the support rod and the fixing block of the present invention.

In the figure: 1. a lower housing; 2. an upper housing; 3. a PCB body; 4. a first cable; 5. a second cable; 6. a first arc-shaped groove; 7. a second arc-shaped groove; 8. a circular connecting block; 9. a first stopper; 10. a second limiting block; 11. a fixed block; 12. a chute; 13. a spring; 14. a support bar; 15. mounting a plate; 16. a through hole; 17. fixing the rod; 18. a metal spring sheet; 19. a rubber sleeve; 20. a support; 21. a heat radiation fan; 22. an air inlet; 23. an air outlet; 24. a dust filter screen; 25. fixing a column; 26. and (7) fixing holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-protection heat dissipation type power adapter facilitating accessory replacement comprises a lower shell 1, an upper shell 2, a PCB body 3, a first cable 4, a second cable 5, a first arc-shaped groove 6, a second arc-shaped groove 7, a circular connecting block 8, a first limiting block 9, a second limiting block 10, a fixing block 11, a sliding groove 12, a spring 13, a supporting rod 14, a mounting plate 15, a through hole 16, a fixing rod 17, a metal elastic sheet 18, a rubber sleeve 19, a support 20, a heat dissipation fan 21, an air inlet 22, an air outlet 23, a dust filtering net 24, a fixing column 25 and a fixing hole 26, wherein the upper end of the lower shell 1 is movably connected with the upper shell 2, the PCB body 3 is movably connected in the lower shell 1, the first cable 4 is fixedly connected to the left end of the PCB body 3, the second cable 5 is fixedly connected to the right end of the PCB body 3, the first arc-shaped groove 6 is formed in the left side and, go up 2 lower extreme left sides of casing and seted up second arc recess 7 with the right side, the circular connecting block 8 of

first cable

4 and 5 outside fixedly connected with symmetric distributions of second cable, the first stopper 9 of the inboard fixedly connected with of circular connecting block, the second stopper 10 of the 8 outside fixedly connected with of circular connecting block, lower extreme fixedly connected with equidistance distribution's fixed block 11 in casing 1 down, spout 12 has been seted up to fixed block 11 upper end.

Further, lower extreme swing joint has spring 13 in the spout 12, and the interpolation of spout 12 has the bracing piece 14, and bracing piece 14 laminates in spring 13 upper end, and bracing piece 14 outside fixedly connected with mounting panel 15 is seted up equidistant distribution's through-hole 16 on the PCB board body 3, and bracing piece 14 pegs graft in through-hole 16, and PCB board body 3 laminates in mounting panel 15 upper end, and the elastic force through bracing piece 14 slideing in spout 12 and spring 13 carries out the shock attenuation.

Further, go up dead lever 17 that upper end fixedly connected with equidistance distributes in casing 2, dead lever 17 lower extreme fixedly connected with metal shrapnel 18, it has rubber sleeve 19 to peg graft in the metal shrapnel 18 outside, and rubber sleeve 19 fits in this 3 upper ends of PCB board, withstands PCB board body 3 through metal shrapnel 18, fixes it, and than the fix with screw, the installation with dismantle more convenient and fast.

Furthermore, the upper end of the upper shell 2 is fixedly connected with the symmetrically distributed supports 20, the inner side of the support 20 is fixedly connected with the cooling fan 21, the front end and the rear end of the lower shell 1 are provided with the air inlets 22 which are distributed equidistantly, the upper end of the upper shell 2 is provided with the air outlets 23 which are distributed equidistantly, and the air inlets 22 and the air outlets 23 are internally and fixedly connected with the dust filtering net 24, so that dust can be prevented from entering the power adapter in the cooling process.

Further, the fixed column 25 that the equidistance distributes is fixedly connected with in lower casing 1 upper end, and the fixed orifices 26 that the equidistance distributes are seted up to upper casing 2 lower extreme, insert fixed orifices 26 through fixed column 25, fix lower casing 1 and upper casing 2.

Further, circular connecting block 8 is pegged graft in first arc recess 6 and second arc recess 7, and first stopper 9 is located casing 1 down, and second stopper 10 is located the casing 1 outside down, constitutes a circular jack through first arc recess 6 and second arc recess 7, carries out the centre gripping to circular connecting block 8, and when first stopper 9 and second stopper 10 can prevent that the user from dragging the cable, causes the damage to being connected between cable and the PCB board body 3.

The working principle is as follows: firstly, during installation, the support rod 14 is inserted in alignment with the through hole 16, so that the PCB body 3 is attached to the upper end of the mounting plate 15, the fixing column 25 is inserted in alignment with the fixing hole 26, the lower shell 1 and the upper shell 2 are fixed, the circular connecting block 8 is positioned in the first arc-shaped groove 6 and the second arc-shaped groove 7, the first limiting block 9 is positioned inside the power adapter, the second limiting block 10 is positioned outside the power adapter, so as to prevent the first cable 4 or the second cable 5 from being damaged when a user drags the first cable 4 or the second cable 5, the connection between the first cable 4 or the second cable 5 and the PCB body 3 is damaged, after the installation is completed, the rubber sleeve 19 outside the metal elastic sheet 18 is pressed on the upper end of the PCB body 3 to fix the PCB body 3, during operation, the heat dissipation air duct formed by the heat dissipation fan 21, the air inlet 22 and the air outlet 23 is used for discharging the heat inside for cooling, if the power adapter falls on the ground, the sliding of the support rod 14 in the sliding groove 12, the elastic force of the spring 13 and the elastic force of the metal elastic sheet 18 can be used for damping, so that the damage of vibration to the PCB body 3 and the electric elements fixed at the upper end of the PCB body 3 can be prevented.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. The utility model provides a conveniently change high protection heat dissipation formula power adapter of accessory, includes casing (1) down, its characterized in that: the upper end of the lower shell (1) is movably connected with an upper shell (2), the lower shell (1) is movably connected with a PCB body (3), the left end of the PCB body (3) is fixedly connected with a first cable (4), the right end of the PCB body (3) is fixedly connected with a second cable (5), the left side and the right side of the upper end of the lower shell (1) are provided with first arc-shaped grooves (6), the left side and the right side of the lower end of the upper shell (2) are provided with second arc-shaped grooves (7), the outer sides of the first cable (4) and the second cable (5) are fixedly connected with symmetrically distributed circular connecting blocks (8), the inner side of each circular connecting block (8) is fixedly connected with a first limiting block (9), the outer side of each circular connecting block (8) is fixedly connected with a second limiting block (10), and the inner lower end of the lower shell (1) is, the upper end of the fixing block (11) is provided with a sliding chute (12).

2. The high-protection heat-dissipation power adapter convenient for accessory replacement according to claim 1, wherein: lower extreme swing joint has spring (13) in spout (12), it has bracing piece (14) to peg graft in spout (12), bracing piece (14) are laminated in spring (13) upper end, bracing piece (14) outside fixedly connected with mounting panel (15), set up through-hole (16) that the equidistance distributes on PCB board body (3), peg graft in through-hole (16) bracing piece (14), PCB board body (3) are laminated in mounting panel (15) upper end.

3. The high-protection heat-dissipation power adapter convenient for accessory replacement according to claim 1, wherein: the PCB fixing device is characterized in that fixing rods (17) are fixedly connected to the inner upper end of the upper shell (2) at equal intervals, metal elastic pieces (18) are fixedly connected to the lower ends of the fixing rods (17), rubber sleeves (19) are inserted into the outer sides of the metal elastic pieces (18), and the rubber sleeves (19) are attached to the upper end of the PCB body (3).

4. The high-protection heat-dissipation power adapter convenient for accessory replacement according to claim 1, wherein: go up support (20) of upper end fixedly connected with symmetric distribution in casing (2), support (20) inboard fixedly connected with radiator fan (21), air intake (22) that the equidistance distributes are seted up to casing (1) front end and rear end down, go up casing (2) upper end and set up air exit (23) that the equidistance distributes, fixedly connected with dust screen (24) in air intake (22) and air exit (23).

5. The high-protection heat-dissipation power adapter convenient for accessory replacement according to claim 1, wherein: the upper end of the lower shell (1) is fixedly connected with fixing columns (25) which are distributed at equal intervals, and fixing holes (26) which are distributed at equal intervals are formed in the lower end of the upper shell (2).

6. The high-protection heat-dissipation power adapter convenient for accessory replacement according to claim 1, wherein: the circular connecting block (8) is inserted into the first arc-shaped groove (6) and the second arc-shaped groove (7), the first limiting block (9) is located in the lower shell (1), and the second limiting block (10) is located on the outer side of the lower shell (1).