CN215818745U

CN215818745U - Anticreep circuit board of little household electrical appliances

Info

Publication number: CN215818745U
Application number: CN202122117720.4U
Authority: CN
Inventors: 吴辉光; 糜卫凯
Original assignee: Foshan Taixin Electronic Co ltd
Current assignee: Foshan Taixin Electronic Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-02-11
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses an anti-creeping circuit board of a small household appliance, which comprises a circuit board, a first dustproof frame and a second dustproof frame, wherein slots are formed in the left end and the right end of the circuit board, clamping grooves are symmetrically formed in the front and back of the inner wall of each slot, four transverse rods are mounted at the right end of the first dustproof frame, matching grooves are mounted at the right ends of the transverse rods, three dustproof nets are mounted at the right ends of the first dustproof frame and the third dustproof frame and are respectively and fixedly connected among the four transverse rods, four matching blocks are mounted at the left ends of the second dustproof frame and correspond to the positions of the matching grooves, grooves are formed in the lower parts of the first dustproof frame and the second dustproof frame, which are close to the transverse rods, and moving grooves are formed in the lower parts of the first dustproof frame and the second dustproof frame, which are far away from the transverse rods. The first dust-proof frame and the second dust-proof frame are arranged outside the circuit board and then fixed, and the second dust-proof frame is arranged at the right end of the circuit board, so that dust is prevented through the first dust-proof frame, the second dust-proof frame and the first dust-proof frame, the second dust-proof frame and the second dust-proof frame are convenient to disassemble and assemble.

Description

Anticreep circuit board of little household electrical appliances

Technical Field

The utility model relates to a circuit board, in particular to an anti-creeping circuit board for small household appliances.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout. The circuit board may be referred to as a printed wiring board or a printed circuit board. Traditional circuit board protectiveness is relatively poor, uses and leads to circuit board surface to cover more dust after long-time, has reduced the life of circuit board, and current protection machanism is inconvenient to be dismantled simultaneously. Therefore, the present invention provides an anti-creeping circuit board for small appliances to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an anti-creeping circuit board for small household appliances, which solves the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

an anti-creeping circuit board for small household appliances comprises a circuit board, a first dustproof frame and a second dustproof frame, wherein slots are formed in the left end and the right end of the circuit board, slots are symmetrically formed in the front and back of the inner wall of each slot, four transverse rods are mounted at the right end of the first dustproof frame, matching slots are mounted at the right ends of the transverse rods, three dustproof nets are mounted at the right end of the first dustproof frame, and the three dustproof nets are respectively and fixedly connected among the four transverse rods;

four matching blocks are arranged at the left end of the dustproof frame II, the matching blocks correspond to the matching grooves, grooves are formed in the lower portions of the ends, close to the cross rod, of the dustproof frame I and the dustproof frame II, moving grooves are formed in the lower portions of the ends, far away from the cross rod, of the dustproof frame I and the dustproof frame II, fixed rods are arranged in the grooves, fixed plates are sleeved in the middle of the outer surfaces of the fixed rods, and the fixed plates are fixedly connected with the inner walls of the grooves;

the movable plates are symmetrically sleeved on the outer surfaces of the fixed rods, the length of each movable plate is larger than the depth of the corresponding groove, the clamping blocks are installed at the ends, close to the outer side, of the two movable plates, springs are symmetrically sleeved on the outer surfaces of the fixed rods, and the springs are located between the fixed plates and the movable plates.

As a further scheme of the utility model, the front end and the rear end of the circuit board are provided with sliding grooves.

As a further scheme of the utility model, a sliding rod is arranged at one end of the lower two transverse rods close to the inner end, and the sliding rod corresponds to the sliding groove.

As a further scheme of the utility model, a first magnet is arranged on the inner wall of the matching groove.

As a further scheme of the utility model, a second magnet is arranged at the left end of the matching block.

As a further scheme of the utility model, a pushing block is arranged at one end of the moving plate close to the moving groove, and the pushing block penetrates through the moving groove.

As a further scheme of the utility model, guide rods are respectively arranged on the outer sides of the first dustproof frame, the dustproof net and the second dustproof frame, baffles are arranged at two ends of each guide rod, and a brush plate is sleeved on the outer surface of each guide rod.

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

the first dust-proof frame and the second dust-proof frame are arranged outside the circuit board and then fixed, and the second dust-proof frame is arranged at the right end of the circuit board, so that dust is prevented through the first dust-proof frame, the second dust-proof frame and the first dust-proof frame, the second dust-proof frame and the second dust-proof frame are convenient to disassemble and assemble.

Drawings

Fig. 1 is a schematic structural diagram of an anti-creeping circuit board of a small household appliance in embodiment 1.

Fig. 2 is a schematic structural diagram of a first dust-proof frame in embodiment 1 of an anti-creeping circuit board for a small household appliance.

Fig. 3 is a schematic structural view of a groove in an anti-creeping circuit board of a small appliance in embodiment 1.

Fig. 4 is a schematic structural diagram of an anti-creeping circuit board of a small household appliance in embodiment 2.

In the figure:

1. a circuit board; 11. a slot; 12. a card slot; 13. a chute;

2. a first dustproof frame;

3. a cross bar; 31. a mating groove; 32. a dust screen; 33. a slide bar;

4. a second dustproof frame; 41. a matching block; 42. a second magnet;

5. a groove; 51. a fixing plate; 52. fixing the rod; 53. moving the plate; 54. a clamping block; 55. a push block; 56. a spring;

6. a guide bar; 61. a baffle plate; 62. a brush plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

Referring to fig. 1 to 3, an anti-creeping circuit board for small appliances comprises a circuit board 1, a first dust-proof frame 2 and a second dust-proof frame 4, wherein sliding grooves 13 are formed at the front and rear ends of the circuit board 1, slots 11 are formed at the left and right ends of the circuit board 1, slots 12 are symmetrically formed in the front and rear ends of the inner walls of the slots 11, four cross bars 3 are mounted at the right end of the first dust-proof frame 2, a sliding bar 33 is mounted at one end of the lower cross bar 3 close to the inner end, the sliding bar 33 corresponds to the position of the sliding groove 13, a matching groove 31 is mounted at the right end of the cross bar 3, a first magnet is mounted at the inner wall of the matching groove 31, three dust screens 32 are mounted at the right end of the first dust-proof frame 2, the three dust screens 32 are respectively and fixedly connected between the four cross bars 3, four matching blocks 41 are mounted at the left end of the second dust-proof frame 4, the matching blocks 41 correspond to the positions of the matching grooves 31, a second magnet 42 is mounted at the left end of the matching blocks 41, grooves 5 are formed at the lower parts of the first dust-proof frame 2 and the second dust-proof frame 4 close to the ends of the cross bars 3, the lower part of one end, far away from the cross rod 3, of the first dustproof frame 2 and the second dustproof frame 4 is provided with a moving groove, a fixing rod 52 is installed in a groove 5, the middle of the outer surface of the fixing rod 52 is sleeved with the fixing plate 51, the fixing plate 51 is fixedly connected with the inner wall of the groove 5, the movable plates 53 are symmetrically sleeved on the outer surface of the fixing rod 52, the length of each movable plate 53 is larger than the depth of the groove 5, the two movable plates 53 are provided with clamping blocks 54 by one end outside, springs 56 are symmetrically sleeved on the outer surface of the fixing rod 52, the springs 56 are located between the fixing plate 51 and the movable plates 53, the movable plates 53 are provided with push blocks 55 by one ends, close to the moving grooves, and the push blocks 55 penetrate through the moving grooves.

The working principle of the utility model is as follows: the pushing block 55 of the first dust-proof frame 2 is pushed towards the middle, the pushing block 55 drives the moving plate 53 to move towards the middle, the clamping block 54 is driven to move towards the middle, the spring 56 is compressed, the sliding rod 33 is inserted into the sliding groove 13, the first dust-proof frame 2 and the dust-proof net 32 are covered outside the circuit board 1, one end of the moving plate 53 is inserted into the slot 11, then the pushing block 55 is released, the clamping block 54 is inserted into the clamping groove 12 through the pushing force of the spring 56, the first dust-proof frame 2 is installed at the left end of the circuit board 1, then the matching block 41 of the second dust-proof frame 4 is inserted into the matching groove 31, the first magnet and the second magnet 42 are attracted together, the clamping block 54 of the second dust-proof frame 4 is inserted into the clamping groove 12, the second dust-proof frame 4 is installed at the right end of the circuit board 1, and dust-proof is conducted through the first dust-proof frame 2, the dust-proof net 32 and the second dust-proof frame 4.

Example 2

Referring to fig. 4, the difference from embodiment 1 is that guide rods 6 are respectively installed at outer sides of the first dust-proof frame 2, the dust-proof net 32 and the second dust-proof frame 4, baffles 61 are installed at two ends of each guide rod 6, a brush plate 62 is sleeved on an outer surface of each guide rod 6, the brush plate 62 is pushed to move on the guide rods 6, and the brush plate 62 brushes off dust, so that convenience and rapidness are achieved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. An anti-creeping circuit board for small household appliances is characterized by comprising a circuit board (1), a first dustproof frame (2) and a second dustproof frame (4), wherein slots (11) are formed in the left end and the right end of the circuit board (1), clamping grooves (12) are symmetrically formed in the front and the back of the inner wall of each slot (11), four cross rods (3) are mounted at the right end of the first dustproof frame (2), matching grooves (31) are mounted at the right end of each cross rod (3), three dustproof nets (32) are mounted at the right end of the first dustproof frame (2), and the three dustproof nets (32) are respectively and fixedly connected among the four cross rods (3);

four matching blocks (41) are installed at the left end of the second dustproof frame (4), the matching blocks (41) correspond to the positions of the matching grooves (31), grooves (5) are formed in the lower portions of the ends, close to the cross rod (3), of the first dustproof frame (2) and the second dustproof frame (4), moving grooves are formed in the lower portions of the ends, far away from the cross rod (3), of the first dustproof frame (2) and the second dustproof frame (4), fixing rods (52) are installed in the grooves (5), fixing plates (51) are sleeved in the middle of the outer surfaces of the fixing rods (52), and the fixing plates (51) are fixedly connected with the inner walls of the grooves (5);

the outer surface of the fixed rod (52) is symmetrically sleeved with the movable plates (53), the length of each movable plate (53) is larger than the depth of each groove (5), one ends of the two movable plates (53) close to the outer side are provided with clamping blocks (54), the outer surface of the fixed rod (52) is symmetrically sleeved with springs (56), and the springs (56) are located between the fixed plate (51) and the movable plates (53).

2. The anti-creeping circuit board for small household electrical appliances according to claim 1, wherein the circuit board (1) is provided with sliding grooves (13) at the front and rear ends thereof.

3. The anti-creeping circuit board for the small household electrical appliances according to claim 1, wherein a sliding rod (33) is installed at one end of the lower two cross rods (3) close to the inner end, and the sliding rod (33) corresponds to the position of the sliding groove (13).

4. The anti-creeping circuit board for small household electrical appliances according to claim 1, wherein a first magnet is mounted on an inner wall of the fitting groove (31).

5. The anti-creeping circuit board for small household electrical appliances according to claim 1, wherein a second magnet (42) is mounted at the left end of the fitting block (41).

6. The anti-creeping circuit board for small household electrical appliances according to claim 1, wherein the moving plate (53) has a push block (55) mounted at one end thereof adjacent to the moving slot, and the push block (55) passes through the moving slot.

7. The anti-creeping circuit board of a small household appliance according to claim 1, wherein guide rods (6) are respectively installed on the outer sides of the first dust-proof frame (2), the second dust-proof frame (4) and the dust-proof net (32), baffles (61) are installed at two ends of each guide rod (6), and a brush plate (62) is sleeved on the outer surface of each guide rod (6).