CN218570553U

CN218570553U - Household electrical appliances are with PCB board convenient to dismantle

Info

Publication number: CN218570553U
Application number: CN202222858714.9U
Authority: CN
Inventors: 梁展鹏
Original assignee: Zhongshan Zhiwen Electronics Co ltd
Current assignee: Zhongshan Zhiwen Electronics Co ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-03
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a PCB board for household electrical appliances convenient to dismantle, including the PCB body, the locating hole has been seted up to the bottom four sides foot of PCB body, the bottom of PCB body is equipped with heat dissipation mechanism, heat dissipation mechanism's lateral surface joint has protection machanism. The above structure is adopted in the utility model, when installing the PCB board body, the accessible screw, it is fixed with the heating panel for the installation to use with screw assorted screw, then live the locating hole card of PCB board body on the screw, it fixes the position of PCB board body to reuse the nut, because the existence of protection pad, give the protection with the PCB board body, avoid the nut to give the PCB board body and knock off, when wanting to give the PCB board body and tear down, because the existence of lug, thereby be convenient for twisting of nut and move, can manually twist off the nut, can give the dismantlement with the PCB board body and get off, thereby reached both the convenient to detach PCB board body, can carry out the beneficial effect of thermal treatment to the PCB board body again.

Description

Household electrical appliances are with PCB board convenient to dismantle

Technical Field

The utility model belongs to electrical apparatus field, in particular to PCB board for household electrical appliances convenient to dismantle.

Background

The PCB board, which is called a printed circuit board in chinese, is an important electronic component, is a support of an electronic component, is a carrier for electrical connection of the electronic component, is called a "printed" circuit board because it is manufactured by an electronic printing technique, and is mounted in most home appliances.

However, compare with prior art, screw of locating hole internal thread connection of PCB board on the PCB board mostly in household electrical appliances, use the screw to fix the position of PCB board, when needs are dismantled the PCB board, still need use and screw assorted screwdriver to twist out the screw that will correspond one by one and just can dismantle the PCB board, thereby it is very inconvenient, because the household electrical appliances at home take place to bump very easily, thereby can lead to household electrical appliances inside PCB board and household electrical appliances shell to bump, very easy give the PCB board to knock down, consequently need design one and both be convenient for dismantle the PCB board, there is the household electrical appliances PCB board of a convenient to detach that can protect the PCB board.

SUMMERY OF THE UTILITY MODEL

To the problem mentioned in the background art, the utility model aims at providing a PCB board for household electrical appliances convenient to dismantle to solve the inconvenient dismantlement of PCB board, and the problem of being knocked for bad easily.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a PCB board for household electrical appliances convenient to dismantle, includes the PCB body, the locating hole has been seted up to the bottom four sides foot of PCB body, the bottom of PCB body is equipped with heat dissipation mechanism, heat dissipation mechanism's lateral surface joint has protection machanism, protection machanism covers heat dissipation mechanism and PCB body.

Further, as preferred technical scheme, the lateral surface fixedly connected with cushion of PCB board body, the cushion covers the lateral surface of PCB board body.

Further, as preferred technical scheme, heat dissipation mechanism includes the heating panel, the bottom of PCB board body is equipped with the heating panel, the screw has been seted up on the top of heating panel, the top fixedly connected with of heating panel live with locating hole assorted screw thread, the protruding locating hole in the top that the screw thread lived, the top threaded connection who the screw thread lived has the nut, the lateral surface of nut is equipped with the lug, the nut is located and is close PCB board body top mutually.

Further, as a preferred technical scheme, the top end of the PCB body is fixedly connected with a protection pad, the protection pad is located on the periphery of the top end of the positioning hole, and the bottom end of the nut is attached to the top end of the protection pad.

Further, as preferred technical scheme, protection machanism includes the fixed plate, the bottom joint of heating panel has the fixed plate, the top sliding connection of fixed plate has the protecting crust, the protecting crust covers heating panel and PCB board body, the top fixedly connected with of protecting crust and protecting crust assorted apron, the right side fixedly connected with fixture block of apron, the left side of protecting crust seted up with fixture block assorted draw-in groove, the position of draw-in groove is symmetrical with the position of fixture block.

Furthermore, as a preferred technical scheme, the bottom of fixed plate is seted up with heating panel assorted rectangle mouth, the heating panel joint is in the inside of rectangle mouth.

Further, as a preferred technical scheme, the top end of the fixing plate is provided with a sliding chute matched with the protective shell, and the protective shell is slidably connected inside the sliding chute.

Further, as a preferred technical scheme, the bottom end of the fixing plate is provided with an anti-slip layer, and the anti-slip layer covers the bottom end of the fixing plate.

Further, as preferred technical scheme, the ventilation hole has been seted up on the top of protecting crust, the shape in ventilation hole is circular, the ventilation hole runs through the top of protecting crust.

To sum up, the utility model discloses mainly have following beneficial effect:

firstly, when a PCB body is installed, a screw matched with the screw can be used for installing and fixing a heat dissipation plate through the screw, then a positioning hole of the PCB body is clamped on a screw thread, and a nut is used for fixing the position of the PCB body;

second, because the bottom of fixed plate seted up with heating panel assorted rectangle mouth, can fix the fixed plate in the periphery of heating panel, then the slip principle slip protecting crust of recycling the spout, block the draw-in groove on the fixture block, the apron can be given the protecting crust to seal, also fixed the position of protecting crust simultaneously, under the protection of protecting crust, when electrical apparatus bumps, it is the protecting crust to collide with the meeting that reaches electrical apparatus shell, rather than the PCB board body, thereby reached can effectually carry out the beneficial effect of protecting to the PCB board body.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic view of the bottom structure of the present invention;

FIG. 3 is a schematic view of the positioning hole structure of the present invention;

fig. 4 is an enlarged view of the cushion of the present invention.

Reference numerals are as follows: 1. PCB board body, 2, locating hole, 3, heat dissipation mechanism, 31, heating panel, 32, screw, 33, screw thread, 34, nut, 35, lug, 4, cushion, 5, protection pad, 6, protection mechanism, 61, fixed plate, 62, rectangle mouth, 63, skid resistant course, 64, apron, 65, fixture block, 66, spout, 67, protecting crust, 68, draw-in groove, 69, ventilation hole.

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.

Example 1

Referring to fig. 1 to 4, this embodiment a PCB board for household electrical appliances convenient to dismantle, including PCB body 1, locating hole 2 has been seted up to the bottom four sides foot of PCB body 1, the bottom of PCB body 1 is equipped with heat dissipation mechanism 3, heat dissipation mechanism 3's lateral surface joint has protection machanism 6, protection machanism 6 covers heat dissipation mechanism 3 and PCB body 1.

Example 2

Referring to fig. 1 and 4, on embodiment 1's basis, in order to reach the purpose of the 1 lateral surface of purpose PCB body of protection, this embodiment has carried out the innovative design to PCB body 1, specifically, PCB body 1's lateral surface fixedly connected with cushion 4, cushion 4 covers PCB body 1's lateral surface, because the existence of cushion 4, can give the protection with PCB body 1's lateral surface, when avoiding PCB body 1 to receive the bump, shines into the damage to PCB body 1's lateral surface.

Referring to fig. 1 and 2, in order to achieve the purpose of conveniently detaching the PCB body 1, the present embodiment innovatively designs the heat dissipation mechanism 3, the heat dissipation mechanism 3 includes a heat dissipation plate 31, the bottom end of the PCB body 1 is provided with the heat dissipation plate 31, the top end of the heat dissipation plate 31 is provided with a screw hole 32, the top end of the heat dissipation plate 31 is fixedly connected with a screw 33 matched with the positioning hole 2, the top end of the screw 33 protrudes out of the positioning hole 2, the top end of the screw 33 is connected with a nut 34 in a threaded manner, the outer side surface of the nut 34 is provided with a projection 35, the nut 34 is located close to the top end of the PCB body 1, when the PCB body is to be fixed, the heat dissipation plate 31 can be fixed by using a screw matched with the screw hole 32 through the screw hole 32, then the positioning hole 2 of the PCB body 1 is clamped on the screw hole 33, then the nut 34 is used to fix the position of the PCB body 1, and when the PCB body 1 is to be detached, due to the projection 35, the nut 34 can be conveniently screwed, so that the nut 34 can be manually detached, the PCB body 1 can be detached.

Referring to fig. 1 and 4, in order to achieve the purpose of protecting the fixing point of the PCB body 1, the present embodiment has an innovative design on the PCB body 1, the top end of the PCB body 1 is fixedly connected with a protection pad 5, the protection pad 5 is located at the top periphery of the positioning hole 2, the bottom end of the nut 34 is attached to the top end of the protection pad 5, and due to the existence of the protection pad 5, the position of the positioning hole 2 of the PCB body 1 can be protected, so that the nut 34 is prevented from scratching the PCB body 1 when being screwed.

Example 3

Referring to fig. 1 and fig. 2, on the basis of embodiment 2, in order to achieve the purpose of protecting the bottom end of the PCB body 1, the embodiment is an innovative design for the protection mechanism 6, specifically, the protection mechanism 6 includes a fixing plate 61, the fixing plate 61 is clamped at the bottom end of the heat dissipation plate 31, the top end of the fixing plate 61 is slidably connected with a protection shell 67, the protection shell 67 covers the heat dissipation plate 31 and the PCB body 1, the top end of the protection shell 67 is fixedly connected with a cover plate 64 matched with the protection shell 67, the right side of the cover plate 64 is fixedly connected with a fixture block 65, the left side of the protection shell 67 is provided with a clamping slot 68 matched with the fixture block 65, the position of the clamping slot 68 is symmetrical to the position of the fixture block 65, when the protection shell 67 is clamped on the cover plate 64, the clamping slot 68 and the fixture block 65 wrap the PCB body 1, so that the protection shell 67 is damaged first, the PCB body 1 can be effectively protected, and when the PCB body 1 is to be disassembled, the shell can be pulled out.

Referring to fig. 1 and 2, in order to achieve the purpose of conveniently installing the fixing plate 61, the fixing plate 61 is innovatively designed in the present embodiment, a rectangular opening 62 matched with the heat dissipation plate 31 is formed at the bottom end of the fixing plate 61, the heat dissipation plate 31 is clamped inside the rectangular opening 62, and due to the existence of the rectangular opening 62, the heat dissipation plate 31 can be conveniently clamped in the rectangular opening 62, so as to fix and install the position of the fixing plate 61.

Referring to fig. 1, in order to achieve the purpose of facilitating the sliding of the protective shell 67, the top end of the fixing plate 61 is innovatively designed, the top end of the fixing plate 61 is provided with a sliding groove 66 matched with the protective shell 67, the protective shell 67 is slidably connected inside the sliding groove 66, and due to the existence of the sliding groove 66, the protective shell 67 can be conveniently slid left and right, so that the protective shell 67 can be conveniently detached and installed.

Referring to fig. 1 and 2, in order to enhance the firmness of the fixing plate 61, the bottom end of the fixing plate 61 is innovatively designed in the present embodiment, the bottom end of the fixing plate 61 is provided with an anti-slip layer 63, and the anti-slip layer 63 covers the bottom end of the fixing plate 61, so that the friction force at the bottom end of the fixing plate 61 can be reduced due to the anti-slip layer 63, so that the fixing plate 61 is more firm after being installed, and the fixing plate 61 is prevented from being displaced.

Referring to fig. 1, in order to reach the purpose of making things convenient for the ventilation of PCB board body 1, this embodiment has carried out the innovative design to protecting crust 67, ventilation hole 69 has been seted up on the top of protecting crust 67, the shape of ventilation hole 69 is circular, ventilation hole 69 runs through the top of protecting crust 67, because the existence of ventilation hole 69 to both be convenient for to the ventilation cooling of PCB board body 1, also be convenient for to the circuit connection of PCB board body 1, because the shape of ventilation hole 69 is circular, circular very smooth, the placing of circuit line that can be convenient for avoids the circuit line winding together.

The use principle and the advantages are as follows: when a PCB for home appliances, which is easy to be disassembled, is used, the heat dissipation plate 31 can be fixed by the screw holes 32 and the screws matched with the screw holes 32, then the positioning hole 2 of the PCB body 1 is clamped on the screw 33, the position of the PCB body 1 is fixed by the nut 34, due to the existence of the protective pad 5, the PCB body 1 is protected, the PCB body 1 is prevented from being damaged by the nut 34, when the PCB body 1 is to be detached, due to the presence of the projection 35, which facilitates the screwing of the nut 34, the nut 34 can be unscrewed manually, the PCB body 1 can be disassembled, thereby achieving the beneficial effects of not only facilitating the disassembly of the PCB body 1, but also performing heat dissipation treatment on the PCB body 1, under the protection of the soft cushion 4, the outer side surface of the PCB body 1 can be protected, the outer side surface of the PCB body 1 is prevented from being damaged, since the bottom end of the fixing plate 61 is provided with the rectangular opening 62 matching with the heat dissipation plate 31, the fixing plate 61 can be fixed on the periphery of the heat dissipation plate 31, then the protective shell 67 is slid by utilizing the sliding principle of the sliding groove 66, the clamping groove 68 is clamped on the clamping block 65, the protective shell 67 can be closed by the cover plate 64, meanwhile, the position of the protective shell 67 is fixed, under the protection of the protective shell 67, when the electric appliance collides, the protective shell 67 can be collided with the outer shell of the electric appliance, instead of the PCB body 1, thereby achieving the beneficial effect of effectively protecting the PCB body 1, due to the existence of the ventilation holes 69, the ventilation and heat dissipation of the PCB body 1 are facilitated, the connection of the circuit is also facilitated, due to the existence of the anti-slip layer 63, no friction force exists between the fixing plate 61 and the inside of the electric appliance, so that the electric appliance is more firmly installed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a PCB board for household electrical appliances convenient to dismantle which characterized in that: including the PCB board body (1), locating hole (2) have been seted up to the bottom four sides foot of the PCB board body (1), the bottom of the PCB board body (1) is equipped with heat dissipation mechanism (3), the lateral surface joint of heat dissipation mechanism (3) has protection machanism (6), protection machanism (6) cover heat dissipation mechanism (3) and PCB board body (1).

2. The PCB for household electrical appliances convenient to disassemble as claimed in claim 1, wherein: the lateral surface fixedly connected with cushion (4) of this body of PCB board (1), cushion (4) cover the lateral surface of this body of PCB board (1).

3. The PCB board for household electrical appliances convenient to disassemble as claimed in claim 1, wherein: radiating mechanism (3) are including heating panel (31), the bottom of the PCB board body (1) is equipped with heating panel (31), screw (32) have been seted up on the top of heating panel (31), the top fixedly connected with of heating panel (31) lives (33) with locating hole (2) assorted screw thread, the top outstanding locating hole (2) of screw thread (33), the top threaded connection that the screw thread lived (33) has nut (34), the lateral surface of nut (34) is equipped with lug (35), nut (34) are located and are close PCB board body (1) top mutually.

4. The PCB board for household electrical appliances convenient to disassemble as claimed in claim 3, wherein: the PCB is characterized in that a protective pad (5) is fixedly connected to the top end of the PCB body (1), the protective pad (5) is located on the periphery of the top end of the positioning hole (2), and the bottom end of the nut (34) is attached to the top end of the protective pad (5).

5. The PCB board for household electrical appliances convenient to disassemble as claimed in claim 4, wherein: protection machanism (6) are including fixed plate (61), the bottom joint of heating panel (31) has fixed plate (61), the top sliding connection of fixed plate (61) has protecting crust (67), protecting crust (67) cover heating panel (31) and PCB board body (1), the top fixedly connected with of protecting crust (67) and protecting crust (67) assorted apron (64), the right side fixedly connected with fixture block (65) of apron (64), draw-in groove (68) with fixture block (65) assorted have been seted up in the left side of protecting crust (67), the position of draw-in groove (68) is symmetrical with the position of fixture block (65).

6. The PCB board for household electrical appliances convenient to disassemble as claimed in claim 5, wherein: the bottom of fixed plate (61) is seted up with heating panel (31) assorted rectangle mouth (62), heating panel (31) joint is in the inside of rectangle mouth (62).

7. The PCB board for household electrical appliances convenient to disassemble as claimed in claim 5, wherein: the top end of the fixed plate (61) is provided with a sliding groove (66) matched with the protective shell (67), and the protective shell (67) is connected to the inside of the sliding groove (66) in a sliding mode.

8. The PCB board for household electrical appliances convenient to disassemble as claimed in claim 5, wherein: the bottom of fixed plate (61) is equipped with skid resistant course (63), skid resistant course (63) cover the bottom of fixed plate (61).

9. The PCB board for household electrical appliances convenient to disassemble as claimed in claim 5, wherein: vent hole (69) have been seted up on the top of protecting crust (67), the shape of vent hole (69) is circular, vent hole (69) runs through the top of protecting crust (67).