CN220629162U - Shell with good dampproof effect - Google Patents

Abstract

The utility model discloses a shell with good dampproof effect, which belongs to the technical field of power adapters and comprises a lower shell, a wire slot, an upper shell, a circuit board and wires, wherein the upper shell is connected above the lower shell through bolts, the wire slots are embedded into the two sides of the lower shell and the upper shell, the wire slots are arranged in an arc shape, the bottom of the inner wall of the lower shell is connected with the circuit board through bolts, the wires are fixedly arranged on the two sides of the circuit board, and a power plug is arranged at the end part of each wire in a matched mode. According to the utility model, the heat is dispersed to the upper part of the lower shell and the periphery of the upper shell by the heat conducting copper sheets A, and after the heat is dispersed to the periphery by the heat conducting copper sheets C on the surfaces of the heat conducting copper sheets A, the difference between the inner temperature and the outer temperature of the lower shell and the difference between the inner temperature and the outer temperature of the upper shell are reduced, so that the phenomenon that water mist is generated due to the fact that the difference between the inner temperature and the outer temperature of the lower shell and the difference between the inner temperature and the outer temperature of the upper shell is large can be avoided, and the heat is uniformly dispersed to the outside by the heat conducting copper sheets C when the circuit board is wetted and short-circuited, so that the operation of the circuit board is prevented from being influenced due to the fact that the inner temperature of the lower shell and the upper shell is high.

Description

Shell with good dampproof effect

Technical Field

The utility model belongs to the technical field of power adapters, and particularly relates to a shell with a good dampproof effect.

Background

The power adapter is a power supply conversion device for electric equipment, and can transform current through the power adapter to enable the electric equipment to be in a proper voltage range, and the power adapter is formed by wrapping elements such as a transformer, a PCB (printed circuit board), a capacitor and the like in a shell for protection, so that a shell with good dampproof effect is needed.

According to the search, the application number is CN202022747721.2, the power adapter with the dampproof structure is characterized in that the lower connecting block is wrapped at the upper end of the inner part of the lower shell, the bump is fixedly connected to the lower end of the upper connecting block, the bump is mutually embedded with the groove in the lower connecting block, the bump and the groove can be tightly adhered, the stability of the joint is ensured, the groove in the shape of a sphere is formed in the groove, the spherical blocks on the outer wall of the bump can be fixed on the two sides of the outer wall of the bump, the stability of the joint of the whole lower shell and the whole upper shell is ensured, and the tightness of the whole inner part is ensured; the disadvantages are as follows:

when the power adapter with the dampproof structure is connected with a power socket of electric equipment through a matched power plug and is electrified for long-term use, a lower connecting block 6 at the upper end of a lower shell 1 and an upper connecting block 8 at the lower end of an upper shell 2 are attached, a lug 7 at the lower end of the upper connecting block 8 is embedded into the lower connecting block 6, meanwhile, after the joint is clamped through spherical blocks 14 at two sides of the lug 7, the installation of the lower shell 1 and the upper shell 2 is completed, the joint is sealed, surrounding moist air is resisted, the moist air is prevented from entering the power adapter, and is contacted with a circuit board to cause short circuit damage, and a gap is formed between a power connecting groove and the lower shell 1 and the upper shell 2 due to sliding, so that the moist air is easy to enter the power adapter through the gap between the power connecting groove and the lower shell 1 and the upper shell 2, and the circuit board is prevented from causing short circuit damage due to the contact with the moist air.

Disclosure of Invention

The utility model aims at: in order to solve the problem that the dampproof effect of the power adapter with the dampproof structure is relatively poor, the shell with good dampproof effect is provided.

The technical scheme adopted by the utility model is as follows: the utility model provides a dampproofing effectual shell, includes inferior valve, wire casing, epitheca, circuit board and wire, there is the epitheca inferior valve top through bolted connection, inferior valve and epitheca both sides all imbeds and are provided with the wire casing, and the wire casing is the arcuation setting, inferior valve inner wall bottom has the circuit board through bolted connection, circuit board both sides fixed mounting has the wire, and the supporting power plug that is provided with of wire tip, inferior valve and epitheca both sides are provided with and can avoid external moist air to get into inferior valve and the inboard extrusion sealing mechanism of epitheca, inferior valve top and epitheca below are provided with the heat that can produce when the circuit board operation to inferior valve and epitheca disperse around avoiding inferior valve and epitheca inside and outside dampproofing heat conduction mechanism that produces the difference in temperature and wets.

The extrusion sealing mechanism comprises a groove A, a damping telescopic rod, a sealing clamping frame, a limiting push plate and a groove B, wherein the groove A is arranged on the opposite surface of the wire slot in an embedded mode, the damping telescopic rod is fixedly installed at the bottom of the inner wall of the groove A, a spring is arranged on the outer side of the damping telescopic rod in a matched mode, the sealing clamping frame is fixedly installed above the end portion of the damping telescopic rod relatively, the opposite surface of the sealing clamping frame is arranged in an arc shape, the sealing clamping frame is arranged on the inner side of the groove A in a matched sliding mode, the limiting push plate is fixedly installed on the two sides of the inner wall of the lower shell and the upper shell, the opposite surface of the limiting push plate is arranged in an inclined mode, the groove B is arranged on the upper portion and the lower portion of the wire close to the limiting push plate in a matched sliding mode, and the groove B is arranged on the outer side of the limiting push plate in a matched sliding mode, and the sealing clamping frame is made of butadiene rubber.

The dampproof heat conduction mechanism is composed of a heat conduction copper sheet A, a heat conduction copper sheet B and a heat conduction copper sheet C, wherein the heat conduction copper sheet A is fixedly installed above the lower shell and below the upper shell, the heat conduction copper sheet B is fixedly installed on the opposite surface of the heat conduction copper sheet A, a plurality of heat conduction copper sheets B are arranged in parallel at equal intervals, the heat conduction copper sheets B extend to the inner walls of the lower shell and the upper shell, the heat conduction copper sheet C is fixedly installed on the surface of the heat conduction copper sheet A, a plurality of heat conduction copper sheets C are arranged at equal intervals in parallel.

In summary, due to the adoption of the technical scheme, the beneficial effects of the utility model are as follows:

1. this kind of dampproofing effectual shell is through being provided with extrusion sealing mechanism, can make the staff pass through recess A, the damping telescopic link, seal the clamp holder, cooperation between spacing push pedal and the recess B, utilize seal clamp holder arc form concave surface and wire surface extrusion contact, when the extrusion contact between the clamp holder, the wire slides on spacing push pedal surface through recess B of upper and lower side, when inferior valve and epitheca are closed, drive the wire and slide down between inferior valve and the epitheca inboard, make wire extrusion seal in the wire casing side, with the slot extrusion sealing treatment between wire casing and the wire, can avoid moist air to get into the effect of inferior valve and epitheca inside and circuit board contact wet short circuit along the wire casing.

2. This kind of dampproofing effectual shell is through being provided with dampproofing heat conduction mechanism, can make the staff cooperate between through heat conduction copper sheet A, heat conduction copper sheet B and the heat conduction copper sheet C, utilize a plurality of heat conduction copper sheet B to the heat absorption that dispels around when with the circuit board operation, and after making inferior valve and epitheca surface with heat evenly dispersed through heat conduction copper sheet A, the inside and outside temperature difference of inferior valve and epitheca reduces, rethread a plurality of heat conduction copper sheet C dispels the heat to outside, carry out the heat dissipation, can avoid inferior valve and epitheca inside and outside temperature difference great and produce the effect of water smoke.

Drawings

FIG. 1 is a schematic block diagram of a front perspective view of a power adapter of the present utility model;

FIG. 2 is a schematic diagram of a front cross-sectional configuration of a power adapter in accordance with the present utility model;

fig. 3 is a schematic diagram of a front perspective structure of a heat conducting copper sheet A in the utility model;

fig. 4 is a schematic diagram of the enlarged structure of fig. 2 at a in the present utility model.

The marks in the figure: 1. a lower case; 101. a wire slot; 102. a groove A; 103. damping telescopic rod; 104. sealing the clamping frame; 105. a limit push plate; 2. an upper case; 3. a circuit board; 301. a wire; 302. a groove B; 4. a heat conducting copper sheet A; 401. a heat conducting copper sheet B; 402. and a heat conducting copper sheet C.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the utility model, the following components are added:

embodiment one: referring to fig. 1-4, a shell with good dampproof effect comprises a lower shell 1, a wire groove 101, an upper shell 2, a circuit board 3 and a wire 301, wherein the upper shell 2 is connected to the upper shell 1 through bolts, the wire groove 101 is arranged on two sides of the lower shell 1 and the upper shell 2 in an embedded mode, the wire groove 101 is arranged in an arc shape, the circuit board 3 is connected to the bottom of the inner wall of the lower shell 1 through bolts, the wire 301 is fixedly arranged on two sides of the circuit board 3, a power plug is arranged at the end part of the wire 301 in a matched mode, the two sides of the lower shell 1 and the upper shell 2 are provided with a dampproof heat conducting mechanism capable of preventing outside moist air from entering the lower shell and the inner side of the upper shell from being extruded and sealing mechanisms, and heat generated during operation of the circuit board is dispersed around the lower shell and the upper shell from generating temperature difference between the lower shell and the upper shell and the inner side of the upper shell from being wetted.

Referring to fig. 2 and 4, further, the extrusion sealing mechanism is composed of a groove a102, a damping telescopic rod 103, a sealing clamping frame 104, a limiting push plate 105 and a groove B302;

the opposite surfaces of the wire slot 101 are embedded with a groove A102, the bottom of the inner wall of the groove A102 is fixedly provided with a damping telescopic rod 103, the outer side of the damping telescopic rod 103 is provided with a spring in a matching way, the upper part of the end part of the damping telescopic rod 103 is relatively fixedly provided with a sealing clamping frame 104, the opposite surfaces of the sealing clamping frame 104 are arranged in an arc shape, the sealing clamping frame 104 is fit and slide on the inner side of the groove A102, both sides of the inner wall of the lower shell 1 and the upper shell 2 are fixedly provided with a limit push plate 105, the opposite surfaces of the limit push plate 105 are arranged in an inclined shape, the upper part and the lower part of a wire 301 are embedded with a groove B302 near the limit push plate 105, the groove B302 is fit and slide on the outer side of the limit push plate 105, the sealing clamping frame 104 is made of butadiene rubber, when a worker needs to maintain and uses a power adapter, bolts between the lower shell 1 and the upper shell 2 are screwed out, the upper shell 2 is taken down from the upper shell 1 and the circuit board 3 and the wire 301 are completely maintained, after the wires 301 on two sides of the circuit board 3 are respectively arranged on the surfaces of the wire grooves 101 on two sides of the lower shell 1 and the upper shell 2 is arranged above the lower shell 1, the inner side sealing clamping frames 104 of the grooves A102 opposite to the wire grooves 101 are popped up through the damping telescopic rods 103 and the outer springs, so that the arc-shaped concave surfaces of the opposite sealing clamping frames 104 are in extrusion contact with the surfaces of the wires 301, the grooves B302 on the upper and lower sides of the wires 301 slide on the surfaces of the limiting push plates 105 while the sealing clamping frames 104 are in extrusion contact, the wires 301 are driven to slide between the inner sides of the lower shell 1 and the upper shell 2, after the wires 301 are extruded and sealed on the sides of the wire grooves 101, workers screw in bolts between the lower shell 1 and the upper shell 2, and after the power plugs matched with the end parts of the two wires 301 are respectively inserted into the power sockets of corresponding electric equipment to be electrified, if the power adapter is used for a long time, the air around the power adapter is relatively moist, the wire 301 sealed at the side of the wire slot 101 is extruded, so that moist air can be prevented from entering the lower shell 1 and the upper shell 2 along the wire slot 101 to contact with the circuit board 3 to be wetted and short-circuited, and meanwhile, the butadiene rubber sealing clamping frame 104 with good elasticity and wear resistance can be prevented from contacting with the wire 301 for a long time and generating larger friction, and abrasion caused by sliding of the wire 301 can be avoided.

Referring to fig. 1-3, further, the moisture-proof heat conduction mechanism is composed of a heat conduction copper sheet A4, a heat conduction copper sheet B401 and a heat conduction copper sheet C402;

the heat conducting copper sheet A4 is fixedly arranged above the lower shell 1 and below the upper shell 2, the heat conducting copper sheet B401 is fixedly arranged on the opposite surfaces of the heat conducting copper sheet A4, a plurality of heat conducting copper sheets B401 are arranged in parallel at equal intervals, the heat conducting copper sheets B401 extend to the inner walls of the lower shell 1 and the upper shell 2, the heat conducting copper sheets C402 are fixedly arranged on the surfaces of the heat conducting copper sheets A4, a plurality of heat conducting copper sheets C402 are arranged in parallel at equal intervals, when a power plug matched with the ends of the two wires 301 is respectively inserted into a power socket of corresponding electric equipment by a worker, the power adapter is used for a long time, the circuit board 3 generates heat, the heat conducting copper sheets B401 opposite to the inner walls of the lower shell 1 and the upper shell 2 absorb the heat, the heat conducting copper sheets A4 are led to the heat conducting copper sheets B401, the heat conducting copper sheets A4 disperse around the lower shell 1 and the upper shell 2, the heat conducting copper sheets C402 dissipate the heat to the periphery through the surfaces of the heat conducting copper sheets A4, the heat conducting copper sheets C402 reduce the difference between the inner temperature of the lower shell 1 and the upper shell 2 and the heat conducting copper sheets C2, the heat is prevented from being influenced by the heat mist C3, and the heat is prevented from being dissipated to the inner temperature difference between the lower shell 1 and the upper shell 2 and the heat copper sheets C2.

Example two

As shown in fig. 2 and 4, in addition to the embodiment of using the sealing clamping frame 104 as butadiene rubber, another embodiment of the present utility model exists, in which the sealing clamping frame 104 is made of natural rubber, and the sealing clamping frame 104 can be contacted with the wire 301 for a long time due to the characteristics of wear resistance, high elasticity and pressure resistance of the natural rubber material, and when two opposite sealing clamping frames 104 are mutually pressed and contacted, the sealing clamping frame 104 cannot be torn and damaged due to long-term deformation of a larger pressing force.

Working principle: firstly, when a worker needs to maintain and use the power adapter, the lower shell 1 and the upper shell 2 are screwed out by bolts, the upper shell 2 is taken down from the upper side of the lower shell 1, after the maintenance of the circuit board 3 and the wires 301 is finished, the wires 301 on two sides of the circuit board 3 are respectively arranged on the surfaces of the wire grooves 101 on two sides of the lower shell 1, after the upper shell 2 is arranged above the lower shell 1, the sealing clamping frames 104 on the inner sides of the grooves A102 opposite to the wire grooves 101 are popped up by the damping telescopic rods 103 and the outer springs, the arc-shaped concave surfaces of the opposite sealing clamping frames 104 are in extrusion contact with the surfaces of the wires 301, the grooves B302 on the upper and lower sides of the wires 301 slide on the surfaces of the limiting push plates 105 while the sealing clamping frames 104 are in extrusion contact, the wires 301 are driven to slide between the lower shell 1 and the inner sides of the upper shell 2, after the wires 301 are extrusion sealed on the sides of the wire grooves 101, the worker screws and fixes the wires between the lower shell 1 and the upper shell 2, after the power plugs matched with the ends of the two wires 301 are respectively inserted into the power sockets of corresponding electric equipment to be electrified, if the air around the power adapter is relatively moist when the power adapter is used for a long time, the wires 301 sealed at the sides of the wire slots 101 are extruded, so that moist air can be prevented from entering the lower shell 1 and the upper shell 2 along the wire slots 101 to be in contact with the circuit board 3 to be in a moist short circuit, finally, when the power adapter is used for a long time by staff, the circuit board 3 generates heat, the internal temperature of the lower shell 1 and the upper shell 2 slowly rises, at the moment, a plurality of heat conducting copper sheets B401 opposite to the inner walls of the lower shell 1 and the upper shell 2 absorb the heat and guide the heat to the heat conducting copper sheets A4, the heat conducting copper sheets A4 disperse the heat above the lower shell 1 and around the upper shell 2, and after the heat is dispersed to the surroundings through a plurality of heat conducting copper sheets C402 on the surfaces of the heat conducting copper sheets A4, the difference between the internal temperature and the external temperature of the lower shell 1 and the upper shell 2 is reduced, the water mist generated by large temperature difference between the inner and outer parts of the lower shell 1 and the upper shell 2 can be avoided, so that the circuit board 3 is wetted and short-circuited, and meanwhile, the heat is uniformly dissipated to the outside by the plurality of heat conducting copper sheets C402, and the operation of the circuit board 3 is prevented from being influenced by high temperature inside the lower shell 1 and the upper shell 2.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (6)

1. The utility model provides a dampproofing effectual shell, includes inferior valve (1), wire casing (101), epitheca (2), circuit board (3) and wire (301), there is epitheca (2) inferior valve (1) top through bolted connection, inferior valve (1) and epitheca (2) both sides all imbed and are provided with wire casing (101), and wire casing (101) are the arciform setting, inferior valve (1) inner wall bottom has circuit board (3) through bolted connection, circuit board (3) both sides fixed mounting has wire (301), and wire (301) tip is supporting to be provided with power plug, its characterized in that: the circuit board is characterized in that two sides of the lower shell (1) and the upper shell (2) are provided with a moistureproof heat conducting mechanism capable of preventing outside humid air from entering the lower shell and the inner side of the upper shell, and heat generated during operation of the circuit board is dispersed to the periphery of the lower shell and the upper shell to prevent temperature difference between the inside and the outside of the lower shell and the upper shell from being damped by the moistureproof heat conducting mechanism arranged above the lower shell (1) and below the upper shell (2).

2. A moisture resistant enclosure as in claim 1 wherein: the extrusion sealing mechanism consists of a groove A (102), a damping telescopic rod (103), a sealing clamping frame (104), a limiting push plate (105) and a groove B (302);

the utility model discloses a wire casing, including wire casing (101) and wire casing (2), wire casing (101) opposite surface all imbeds and is provided with recess A (102), recess A (102) inner wall bottom fixed mounting has damping telescopic link (103), and the supporting spring that is provided with in damping telescopic link (103) outside, damping telescopic link (103) tip top relative fixed mounting has sealed clamp holder (104), lower shell (1) and epitheca (2) inner wall both sides are fixed mounting has spacing push pedal (105), and spacing push pedal (105) opposite surface is the slope form setting, wire (301) upper and lower side is close to spacing push pedal (105) department and all imbeds and be provided with recess B (302), and recess B (302) agree with the slip setting in spacing push pedal (105) outside, sealed clamp holder (104) material is butadiene rubber.

3. A moisture resistant enclosure as in claim 1 wherein: the moistureproof heat conducting mechanism consists of a heat conducting copper sheet A (4), a heat conducting copper sheet B (401) and a heat conducting copper sheet C (402);

the heat conduction copper sheet A (4) is fixedly arranged above the lower shell (1) and below the upper shell (2), the heat conduction copper sheet B (401) is fixedly arranged on the opposite surface of the heat conduction copper sheet A (4), and the heat conduction copper sheet C (402) is fixedly arranged on the surface of the heat conduction copper sheet A (4).

4. A moisture resistant enclosure as in claim 2 wherein: the opposite surfaces of the sealing clamping frame (104) are arranged in an arc shape, and the sealing clamping frame (104) is arranged inside the groove A (102) in a fit sliding mode.

5. A moisture resistant enclosure as in claim 3 wherein: the heat conducting copper sheets B (401) are arranged in parallel at equal intervals, and the heat conducting copper sheets B (401) extend to the inner walls of the lower shell (1) and the upper shell (2).

6. A moisture resistant enclosure as in claim 3 wherein: the heat conducting copper sheets C (402) are arranged in parallel at equal intervals.