CN220173483U

CN220173483U - Folding circuit board

Info

Publication number: CN220173483U
Application number: CN202321694608.XU
Authority: CN
Inventors: 范晓峰
Original assignee: Changzhou Tejie Electronics Co ltd
Current assignee: Changzhou Tejie Electronics Co ltd
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-12-12
Anticipated expiration: 2033-06-30

Abstract

The utility model discloses a folding circuit board, and relates to the technical field of circuit boards. The utility model comprises a first silica gel frame, a second silica gel frame, a first connecting piece, a second connecting piece and a mounting seat, wherein the first silica gel frame and the second silica gel frame are movably connected through the first connecting piece and the second connecting piece, the first connecting piece and the second connecting piece are limited through a limiting piece, and the second connecting piece and the mounting seat are connected through a bolt. According to the utility model, the limiting piece is pulled outwards to enable the first connecting piece and the second connecting piece to be movable, the limiting piece is loosened to enable the first connecting piece and the second connecting piece to be locked, the circuit board and the second circuit board to be conveniently and simply folded, the first silica gel frame and the second silica gel frame are arranged, the circuit board and the second circuit board can be well protected, in addition, the whole installation direction of the circuit board can be adjusted to install through screwing bolts of the installation seat, and the circuit board is suitable for installing the circuit board in multiple scenes.

Description

Folding circuit board

Technical Field

The utility model belongs to the technical field of circuit boards, and particularly relates to a folding circuit board.

Background

The circuit board can generally be installed to the inside of present electric meter shell, for convenient use in the present market, folding circuit board has appeared, like the open literature of prior art, CN 214481872U-a folding circuit board, it is provided with first fixed box to be disclosed, rotate on the first fixed box and be equipped with the fixed box of second, first fixed box internal fixation has first circuit board, the fixed box internal fixation of second has the second circuit board of second, rotate on the fixed box of first and be equipped with the driving piece that is used for driving the fixed box pivoted of second, slide on the driving piece and be equipped with the locating part, it is spacing to carry out the driving piece with first fixed box cooperation through the locating part, the cover is equipped with the spring on the locating part, the spring is located the inside of locating part, rotate on the locating part and be equipped with the fastener, though the fastener is fixed to the locating part cooperation, can fold, still there is following drawback:

1. the existing folding circuit board is not simple enough in folding mode, and inconvenient and simple to fold.

2. The existing folding circuit board is not strong in heat dissipation effect, poor in protection effect and easy to damage in the transportation process.

3. The existing folding circuit board is single in installation mode, and the installation direction of the circuit board is inconvenient to adjust according to installation scenes.

Disclosure of Invention

The utility model aims to provide a folding circuit board, which is provided with a limiting piece, a first silica gel frame and a second silica gel frame, and a radiating plate, radiating holes and a mounting seat, so that the problems that the existing folding circuit board is not simple enough, inconvenient and simple to fold, has a poor radiating effect, is poor in protection effect, is easy to damage the circuit board in the transportation process, is single in mounting mode, and is inconvenient to adjust the mounting position of the circuit board according to the mounting scene are solved.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a folding circuit board which comprises a first silica gel frame, a second silica gel frame, a first connecting piece, a second connecting piece and a mounting seat, wherein the first silica gel frame is internally connected with the first circuit board through a connecting rod, and the second silica gel frame is internally connected with the second circuit board through the connecting rod;

the heat dissipation holes are uniformly distributed on the other three sides except one side of the first connecting piece in the first silica gel frame and the other three sides except one side of the second connecting piece in the two sides of the second silica gel frame, and the U-shaped heat dissipation plates are fixed on the side of the first circuit board and the side of the second circuit board;

the first silica gel frame and the second silica gel frame are movably connected through a first connecting piece and a second connecting piece, the first connecting piece and the second connecting piece are limited through a limiting piece, and the second connecting piece and the mounting seat are connected through a bolt;

the limiting piece comprises a movable block, a sliding block, a spring, a hand lever, a limiting rod and a limiting lug, wherein the sliding block is uniformly distributed on the periphery of the movable block in an annular shape, the spring is fixed on the inner end face of the sliding block, the hand lever is fixed in the middle of the outer end face of the sliding block, the limiting rod is uniformly distributed on the outer side of the outer end face of the sliding block in an annular shape, and the limiting lug is fixed at the outer end of the limiting rod.

Further, the heat dissipation plate on the side face of the first circuit board is not contacted with the first silica gel frame, and the heat dissipation plate on the side face of the second circuit board is not contacted with the second silica gel frame.

Further, an inner groove is formed in one end of the second connecting piece, sliding grooves are uniformly distributed in the inner wall of the inner groove in an annular mode, and a limiting piece is connected in the inner groove in a sliding mode.

Further, the outer side surface of one side plate of the first connecting piece is provided with a limit groove in an annular and uniformly distributed mode, and the size of the limit protruding block is matched with that of the limit groove.

Further, the size of the sliding blocks is matched with that of the sliding grooves, and the sliding blocks are correspondingly and slidably connected in the sliding grooves one by one.

Further, the spring is always in a stretched state, and the innermost end of the spring is connected with the inner wall of the inner groove.

Further, the bottom of the second connecting piece is fixed with a connecting seat, and a connecting hole in the connecting seat is matched with the bolt.

Further, connecting shafts are fixed at the two ends of the second connecting piece, the shaft holes are formed in the two side plates of the first connecting piece, and the connecting shafts at the two ends of the second connecting piece are movably connected in the shaft holes of the two side plates of the first connecting piece.

The utility model has the following beneficial effects:

1. be provided with connecting piece and No. two connecting pieces, be connected through the locating part between connecting piece and No. two connecting pieces moreover, through pull out locating part movable connecting piece and No. two between the connecting piece, loosen locating part can lock between connecting piece and No. two connecting pieces, more convenient and easy folding.

2. From taking first silica gel frame, second silica gel frame, can protect circuit board and No. two circuit boards well, strengthened the protection effect, be difficult to damage the circuit board in the transportation, be provided with heating panel and louvre in addition, promoted the radiating effect of circuit board.

3. The installation seat is arranged, the installation direction of the whole circuit board can be adjusted to install by screwing the bolt of the installation seat, and the installation seat is suitable for installing the circuit board in multiple scenes.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a folding structure of a circuit board;

FIG. 2 is a schematic view of an expanded structure of a circuit board;

FIG. 3 is a schematic structural view of a first connector;

FIG. 4 is a schematic structural view of a second connector;

FIG. 5 is an assembled view of FIG. 4;

fig. 6 is a schematic structural view of the limiting member.

In the drawings, the list of components represented by the various numbers is as follows:

1. a first silica gel frame; 11. a first circuit board; 2. a second silica gel frame; 21. a second wiring board; 3. a first connecting piece; 31. a limit groove; 4. a second connecting piece; 401. a connecting seat; 41. an inner tank; 42. a chute; 5. a mounting base; 01. a heat dissipation plate; 02. a heat radiation hole; 03. a connecting rod; 04. a limiting piece; 041. a movable block; 042. a slide block; 043. a spring; 044. a hand lever; 045. a limit rod; 046. a limit bump; 05. and (5) a bolt.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1 to 2, the present utility model is a foldable circuit board, which includes a first silica gel frame 1, a second silica gel frame 2, a first connecting piece 3, a second connecting piece 4 and a mounting seat 5, wherein the first silica gel frame 1 is connected with a first circuit board 11 inside by a connecting rod 03, the second silica gel frame 2 is connected with a second circuit board 21 inside by a connecting rod 03, heat dissipation holes 02 are uniformly distributed on three sides except for the first connecting piece 3 in the first silica gel frame 1 and three sides except for the second connecting piece 4 in two sides of the second silica gel frame 2, U-shaped heat dissipation plates 01 are fixed on the side surfaces of the first circuit board 11 and the side surfaces of the second circuit board 21, the heat dissipation plates 01 on the side surfaces of the first circuit board 11 are not contacted with the first silica gel frame 1, and the heat dissipation plates 01 on the side surfaces of the second circuit board 21 are not contacted with the second silica gel frame 2.

The specific application of the arrangement is as follows: when the circuit board is transported, as the first circuit board 11 is shielded in the first silica gel frame 1, the second circuit board 21 is shielded in the second silica gel frame 2, the circuit board can be well protected under the combined action of the first silica gel frame 1 and the second silica gel frame 2, and in addition, when the circuit board is used, the heat dissipation can be well carried out for the first circuit board 11 in the first silica gel frame 1 and the second circuit board 21 in the second silica gel frame 2 under the action of the heat dissipation plate 01 and the heat dissipation hole 02.

Wherein as shown in fig. 1 and fig. 3 to 6, connecting shafts are fixed at two ends of the second connecting piece 4, shaft holes are formed on two side plates of the first connecting piece 3, the connecting shafts at two ends of the second connecting piece 4 are movably connected in the shaft holes of the two side plates of the first connecting piece 3, a movable connection is formed between the first silica gel frame 1 and the second silica gel frame 2 through the first connecting piece 3 and the second connecting piece 4, a limit groove 31 is uniformly distributed on the outer side surface of the first side plate of the first connecting piece 3 in an annular shape, an inner groove 41 is formed in the inner part of one end of the second connecting piece 4, a chute 42 is uniformly distributed on the inner wall of the inner groove 41 in an annular shape, a limit piece 04 is slidably connected in the inner groove 41, and the size of a limit bump 046 is matched with the size of the limit groove 31, the first connecting piece 3 and the second connecting piece 4 are limited through a limiting piece 04, the limiting piece 04 comprises a movable block 041, sliding blocks 042, springs 043, a hand rod 044, limiting rods 045 and limiting protruding blocks 046, the sliding blocks 042 are uniformly distributed on the periphery of the movable block 041 in a ring shape, the sliding blocks 042 are matched with the sliding grooves 42 in size, the sliding blocks 042 are slidably connected in the sliding grooves 42 in a one-to-one correspondence mode, the springs 043 are fixedly arranged on the inner end faces of the sliding blocks 042, the springs 043 are always in a stretching state, the innermost ends of the springs 043 are connected with the inner walls of the inner grooves 41, the hand rods 044 are fixedly arranged in the middle positions of the outer end faces of the sliding blocks 042, the limiting rods 045 are uniformly distributed on the outer sides of the outer end faces of the sliding blocks 042 in a ring shape, and the limiting protruding blocks 046 are fixedly arranged on the outer ends of the limiting rods 045.

The specific application of the arrangement is as follows: when the circuit board is folded, the hand lever 044 of the limiting piece 04 is pulled outwards, so that the sliding block 042 of the movable block 041 slides outwards in the sliding groove 42 in the inner groove 41, and the limiting convex blocks 046 of the group of limiting rods 045 are synchronously separated from the corresponding limiting grooves 31, at the moment, the first connecting piece 3 and the second connecting piece 4 can move, and the included angle between the first silica gel frame 1 and the second silica gel frame 2 can be changed, so that the purpose of folding the circuit board is achieved;

after the circuit board is folded, the hand lever 044 of the limiting piece 04 is immediately loosened, and at the moment, the stretched spring 043 is recovered to enable the limiting convex blocks 046 of a group of limiting rods 045 to be synchronously clamped into the corresponding limiting grooves 31, so that the circuit board after the folding can be locked and folded by limiting the space between the first connecting piece 3 and the second connecting piece 4.

As shown in fig. 1 and fig. 4 to 5, a connecting seat 401 is fixed at the bottom of the second connecting piece 4, a connecting hole in the connecting seat 401 is matched with a bolt 05, and the second connecting piece 4 is connected with the mounting seat 5 through the bolt 05.

The specific application of the arrangement is as follows: when the circuit board is turned in a dark way, the mounting holes of the mounting seat 5, which correspond to the mounting surfaces, are directly fixed by screws, so that the circuit board can be mounted;

when the mounting seat 5 is assembled, the mounting seat 5 is directly inserted into the second connecting piece 4, then the bolt 05 is used for penetrating, and the mounting operation of the mounting seat 5 can be completed by locking between the second connecting piece 4 and the mounting seat 5 through the bolt 05;

when the circuit board mounting structure is used, the bolt 05 is screwed to loosen the bolt 05, so that the whole mounting direction of the circuit board can be adjusted between the movable second connecting piece 4 and the mounting seat 5, and the bolt 05 is screwed again immediately after the circuit board mounting direction is adjusted, so that the circuit board after the mounting direction is adjusted can be locked.

The foregoing is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, and any modification, equivalent replacement, and improvement of some of the technical features described in the foregoing embodiments are all within the scope of the present utility model.

Claims

1. The utility model provides a folding circuit board, includes first silica gel frame (1), second silica gel frame (2), connecting piece (3), no. two connecting pieces (4) and mount pad (5), its characterized in that: the inside of the first silica gel frame (1) is connected with a first circuit board (11) through a connecting rod (03), and the inside of the second silica gel frame (2) is connected with a second circuit board (21) through the connecting rod (03);

the heat dissipation holes (02) are uniformly distributed on the three sides except for the first connecting piece (3) in the first silica gel frame (1) and the three sides except for the second connecting piece (4) in the two sides of the second silica gel frame (2), and U-shaped heat dissipation plates (01) are fixed on the side face of the first circuit board (11) and the side face of the second circuit board (21);

the first silica gel frame (1) and the second silica gel frame (2) are movably connected through a first connecting piece (3) and a second connecting piece (4), the first connecting piece (3) and the second connecting piece (4) are limited through a limiting piece (04), and the second connecting piece (4) and the mounting seat (5) are connected through a bolt (05);

the limiting piece (04) comprises a movable block (041), a sliding block (042), a spring (043), a hand rod (044), a limiting rod (045) and a limiting lug (046), wherein the sliding block (042) is annularly and uniformly distributed on the periphery of the movable block (041), the spring (043) is fixed on the inner end face of the sliding block (042), the hand rod (044) is fixed in the middle of the outer end face of the sliding block (042), the limiting rod (045) is annularly and uniformly distributed on the outer side of the outer end face of the sliding block (042), and the limiting lug (046) is fixed on the outer end of the limiting rod (045).

2. A foldable circuit board according to claim 1, wherein: the heat dissipation plate (01) on the side surface of the first circuit board (11) is not contacted with the first silica gel frame (1), and the heat dissipation plate (01) on the side surface of the second circuit board (21) is not contacted with the second silica gel frame (2).

3. A foldable circuit board according to claim 1, wherein: an inner groove (41) is formed in one end of the second connecting piece (4), sliding grooves (42) are uniformly distributed in the inner wall of the inner groove (41) in an annular shape, and a limiting piece (04) is connected in the inner groove (41) in a sliding mode.

4. A foldable circuit board according to claim 3, wherein: the outer side surface of one side plate of the first connecting piece (3) is provided with a limiting groove (31) in an annular and uniformly distributed mode, and the size of the limiting protruding block (046) is matched with the size of the limiting groove (31).

5. The foldable circuit board according to claim 4, wherein: the size of the sliding blocks (042) is matched with that of the sliding grooves (42), and the sliding blocks (042) are in one-to-one corresponding sliding connection in the sliding grooves (42).

6. The foldable circuit board according to claim 5, wherein: the spring (043) is always in a stretched state, and the innermost end of the spring (043) is connected with the inner wall of the inner groove (41).

7. A foldable circuit board according to claim 1, wherein: the bottom of No. two connecting pieces (4) is fixed with connecting seat (401), connecting hole in connecting seat (401) and bolt (05) phase-match.

8. A foldable circuit board according to claim 1, wherein: connecting shafts are fixed at two ends of the second connecting piece (4), shaft holes are formed in two side plates of the first connecting piece (3), and the connecting shafts at two ends of the second connecting piece (4) are movably connected in the shaft holes of the two side plates of the first connecting piece (3).