CN211184414U

CN211184414U - Circuit board connecting structure

Info

Publication number: CN211184414U
Application number: CN202020062120.5U
Authority: CN
Inventors: 李石炼
Original assignee: Dongguan Jingweixin Circuit Co ltd
Current assignee: Dongguan Jingweixin Circuit Co ltd
Priority date: 2020-01-13
Filing date: 2020-01-13
Publication date: 2020-08-04
Anticipated expiration: 2030-01-13

Abstract

The utility model discloses a circuit board connection structure, including two long circuit boards and two short circuit boards, two long circuit boards and two short circuit boards form a rectangular frame, the top of short circuit board and the equal fixedly connected with three hornblocks in both sides of bottom and long circuit board, two adjacent three hornblocks contact one side that is close to each other, and two adjacent three hornblock symmetries set up, all be provided with two semicircle boards in the outer contained angle of short circuit board and the long circuit board junction that corresponds, two adjacent semicircle boards form a whole plectane, and one side and three hornblock fixed mounting that the semicircle board is close to the three hornblocks that correspond. The utility model relates to a rationally, through the simple action of pulling and pushing, be convenient for with two long circuit boards and two short circuit board high-speed joint fixed and splits, need not use special instrument, can realize the demand of simple and convenient fast even and fast branch, make things convenient for personnel's later stage to change, improve the convenience of using or changing.

Description

Circuit board connecting structure

Technical Field

The utility model relates to a circuit board technical field especially relates to a circuit board connection structure.

Background

Traditional rectangle or hexagon or other polygon circuit board structure, first through quick line socket connection between two adjacent circuit boards, some fasteners such as rethread screw are connected fixedly, a circuit board connection structure disclosed like grant publication No. CN208175100U, it forms the screw hole site through rivet post structure location butt joint back, then fix through the screw, finally realize the connection between the adjacent circuit board and fix, but this kind of mode can not be suitable for some places that need harmless installation (e.g., at some direct through the harmless a plurality of L ED circuit lamp boards that surround in the device outside that set up in the processing device outside, or some need the illumination of double faced adhesive tape bonding, it adopts the fixed of back bonding magnet magnetism absorption or the harmless of double faced adhesive tape bonding mode most, need not punch the mounting screw in the device outside).

And current a plurality of circuit boards pass through the fixed mode of screw interconnect, can have the problem of being not convenient for fix a plurality of circuit board high-speed joint with the split, need personnel to use specialized tool to dismantle when one of them circuit board in the later stage damages, can hardly carry out split and connection when not carrying the instrument, can not satisfy the demand of simple and convenient high-speed joint and quick branch, therefore we have proposed a circuit board connection structure and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a circuit board connecting structure.

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

a circuit board connecting structure comprises two long circuit boards and two short circuit boards, wherein the two long circuit boards and the two short circuit boards form a rectangular frame, the tops and the bottoms of the short circuit boards and the two sides of the long circuit boards are fixedly connected with three square blocks, one sides, close to each other, of the two adjacent three square blocks are in contact, the two adjacent three square blocks are symmetrically arranged, two semicircular plates are arranged in an outer included angle of the joint of the short circuit boards and the corresponding long circuit boards, the two adjacent semicircular plates form a whole circular plate, one sides, close to the corresponding three square blocks, of the semicircular plates are fixedly installed with the three square blocks, the two adjacent semicircular plates are movably sleeved with one elastic clamping ring, one side, close to the corresponding two three square blocks, of the elastic clamping ring is provided with a fracture, one side, far away from the corresponding two three square blocks, of the elastic clamping ring is fixedly connected with a fixed rod, and one side, semi-circular clamping groove has all been seted up to one side that two adjacent semicircle boards are close to each other, one side that semi-circular clamping groove is close to the dead lever that corresponds sets up to the opening, same circle kelly is equipped with to activity card in two semi-circular clamping groove, the one end that the circle kelly is close to the dead lever that corresponds and snap ring's inboard fixed connection, the opposite side bonding of dead lever is fixed with two elastic soft rubber pieces, two arc shell fragment of fixedly connected with between one side that the dead lever is close to the corresponding snap ring and the snap ring, two arc shell fragment symmetries that are located on same dead lever set up, two elastic soft rubber pieces that are located on same dead.

Preferably, one side of the triangular block close to the corresponding semicircular plate is set to be an arc-shaped surface matched with the outer side of the semicircular plate, and one side of the triangular block close to the corresponding semicircular plate is fixedly bonded with the outer side of the semicircular plate.

Preferably, one side of each elastic soft rubber block, which is close to the corresponding elastic snap ring, is arranged to be of an arc structure matched with the outer side of the elastic snap ring, and one side of each elastic soft rubber block is in movable contact with the outer side of the corresponding elastic snap ring.

Preferably, the side walls of the two adjacent semicircular clamping grooves are in movable contact with the outer sides of the corresponding circular clamping rods.

Preferably, one side of the round clamping rod, which is far away from the corresponding fixing rod, is set to be in a conical structure.

Preferably, the fracture of the snap ring has a length of one third of the total length.

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

through the long circuit board, the short circuit board, the triangular blocks, the semi-circular plates, the elastic snap rings, the fixed rods, the semi-circular pull rings, the elastic soft rubber blocks, the semi-circular clamping grooves, the circular clamping rods, the arc-shaped elastic sheets and the fractures are matched with the arc-shaped surfaces, when the semi-circular pull rings are pulled to drive the elastic snap rings to move and extrude the outer sides of the two semi-circular plates through the corresponding fixed rods during disassembly, the fractures of the semi-circular snap rings expand outwards and gradually slip from the corresponding two semi-circular plates under extrusion force, the corresponding circular clamping rods are driven by the semi-circular snap rings to be drawn out from the two semi-circular clamping grooves, at the moment, the long circuit board or the short circuit board can be moved to separate the corresponding triangular blocks and the corresponding semi-circular plates from the adjacent triangular blocks and the adjacent semi-circular plates, when the assembly is carried out, the semi-circular handle is pushed back to drive the elastic snap rings to loop through the corresponding fixed rods, under the extrusion force, arc shell fragment and flexible glue piece atress shrink, after the complete card cover of circlip is on two semicircle boards that correspond, circlip also drives the circle kelly that corresponds this moment and inserts in two semi-circular clamping grooves, and arc shell fragment and flexible glue piece self elasticity that is in the atress contraction state reset and also can assist the corresponding circlip that contracts back and reset, reach and further make the circlip card hold tightly two semicircle boards that correspond, the circle kelly of cooperation cartridge in two adjacent semi-circular clamping grooves, can realize the connection that stabilizes between two long circuit boards and two short circuit boards.

The utility model relates to a rationally, through the simple action of pulling and pushing, be convenient for with two long circuit boards and two short circuit board high-speed joint fixed and splits, need not use special instrument, can realize the demand of simple and convenient fast even and fast branch, make things convenient for personnel's later stage to change, improve the convenience of using or changing.

Drawings

Fig. 1 is a schematic structural diagram of a circuit board connection structure according to the present invention;

fig. 2 is a schematic view of a partial sectional structure a of a circuit board connection structure according to the present invention.

In the figure: 1 long circuit board, 2 short circuit boards, 3 three hornblocks, 4 semicircle boards, 5 elastic snap rings, 6 fixed rods, 7 semicircular pull rings, 8 elastic soft rubber blocks, 9 semicircular clamping grooves, 10 circular clamping rods, 11 arc-shaped elastic sheets, 12 fractures and 13 arc-shaped surfaces.

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.

Referring to fig. 1-2, a circuit board connecting structure comprises two long circuit boards 1 and two short circuit boards 2, wherein the two long circuit boards 1 and the two short circuit boards 2 form a rectangular frame, the top and the bottom of each short circuit board 2 and two sides of each long circuit board 1 are fixedly connected with three square blocks 3, one sides of the two adjacent three square blocks 3, which are close to each other, are contacted, the two adjacent three square blocks 3 are symmetrically arranged, two semi-circular plates 4 are arranged in an outer included angle of the joint of each short circuit board 2 and the corresponding long circuit board 1, the two adjacent semi-circular plates 4 form a whole circular plate, one sides of the semi-circular plates 4, which are close to the corresponding three square blocks 3, are fixedly installed with the three square blocks 3, the two adjacent semi-circular plates 4 are movably sleeved with the same elastic snap ring 5, one side of the elastic snap ring 5, which is close to the corresponding two three square blocks 3, is provided with a fracture 12, one, and one side of the fixed rod 6 far away from the corresponding elastic snap ring 5 is fixedly connected with a semicircular pull ring 7, one side of the two adjacent semicircular plates 4 close to each other is provided with a semicircular clamping groove 9, one side of the semicircular clamping groove 9 close to the corresponding fixed rod 6 is provided with an opening, the same circular clamping rod 10 is movably clamped in the two semicircular clamping grooves 9, one end of the circular clamping rod 10 close to the corresponding fixed rod 6 is fixedly connected with the inner side of the elastic snap ring 5, the other side of the fixed rod 6 is fixedly bonded with two elastic soft rubber blocks 8, two arc-shaped elastic pieces 11 are fixedly connected between one side of the fixed rod 6 close to the corresponding elastic snap ring 5 and the elastic snap ring 5, the two arc-shaped elastic pieces 11 positioned on the same fixed rod 6 are symmetrically arranged, the two elastic soft rubber blocks 8 positioned on the same fixed rod 6 are positioned between, through the simple action of pulling and pushing, be convenient for with two long circuit boards 1 and two short circuit board 2 high-speed joint fixed with the split, need not use special instrument, can realize simple and convenient fast even with the demand of dividing soon, make things convenient for personnel's later stage to change, improve the convenience of using or changing.

In the utility model, one side of the triangular block 3 close to the corresponding semi-circular plate 4 is arranged to be an arc surface 13 matched with the outer side of the semi-circular plate 4, one side of the triangular block 3 close to the corresponding semi-circular plate 4 is fixedly bonded with the outer side of the semi-circular plate 4, one side of the elastic soft rubber block 8 close to the corresponding elastic snap ring 5 is arranged to be an arc structure matched with the outer side of the elastic snap ring 5, one side of the elastic soft rubber block 8 is movably contacted with the outer side of the corresponding elastic snap ring 5, the side walls of the two adjacent semi-circular snap grooves 9 are both movably contacted with the outer side of the corresponding circular snap rod 10, one side of the circular snap rod 10 far away from the corresponding fixed rod 6 is arranged to be a conical structure, the length of the fracture 12 of the elastic snap ring 5 is one third of the total length, the utility model has reasonable design, and is convenient for fast connecting, fixing and splitting two, need not use special instrument, can realize the demand of simple and convenient fast even and divide soon, make things convenient for personnel's later stage to change, improve the convenience of using or changing.

The working principle is as follows: when the triangular blocks are required to be disassembled, the semicircular pull rings 7 are pulled in the direction far away from the corresponding triangular blocks 3 to drive the corresponding fixed rods 6 and the corresponding elastic clamp rings 5 to move, the inner sides of the elastic clamp rings 5 extrude the outer sides of the corresponding two semicircular plates 4 when the elastic clamp rings 5 move, the fracture parts 12 of the semicircular clamp rings 7 expand outwards and gradually slip from the corresponding two semicircular plates 4 under extrusion force, meanwhile, the corresponding circular clamp rods 10 are driven by the semicircular clamp rings 7 to be drawn out from the two semicircular clamp grooves 9, and at the moment, the long circuit boards 1 or the short circuit boards 2 can be moved to drive the corresponding triangular blocks 3 and the corresponding semicircular plates 4 to be separated from the adjacent triangular blocks 3 and the adjacent semicircular plates 4, so that the;

during assembly, similarly, after the damaged long circuit board 1 or short circuit board 2 is replaced, the triangular block 3 and the semi-circular plate 4 on the replaced long circuit board 1 or short circuit board 2 are aligned with the adjacent triangular block 3 and semi-circular plate 4 again, then the semi-circular handle 7 is pushed back to drive the elastic snap ring 5 to extrude the two semi-circular plates 4 through the corresponding fixing rods 6, the fracture 12 of the elastic snap ring 5 expands outwards again under extrusion force, at the same time, the elastic snap ring 5 expands outwards and extrudes the corresponding two arc-shaped elastic sheets 11 and the elastic soft rubber blocks 8, under extrusion force, the arc-shaped elastic sheets 11 and the elastic soft rubber blocks 8 are stressed to contract, after the elastic snap ring 5 is completely clamped on the corresponding two semi-circular plates 4, at the same time, the elastic snap ring 5 also drives the corresponding circular snap rod 10 to be inserted into the two semi-circular clamping grooves 9, and the self elastic reset of the arc-shaped elastic snap ring 11 and the elastic soft rubber blocks 8 in the stressed contraction state can also assist the corresponding elastic snap ring 5 to, the elastic clamping ring 5 is further clamped and clasped to the two corresponding semi-circular plates 4, so that the phenomenon that the two adjacent semi-circular plates 4 are separated can be avoided;

circle kelly 10 can support the restriction to the front side inner wall and the rear side inner wall of two semi-circular draw-in grooves 9 that correspond this moment, thereby can avoid two adjacent semicircle boards 4 the separation phenomenon of staggering successively to appear, the mode of embracing is stably pressed from both sides from the outside by the snap ring 5 that corresponds to two adjacent semicircle boards 4 of deuterogamying, can realize the connection firm between two long circuit boards 1 and two short circuit boards 2, make and need not use special instrument, can realize the demand of simple and convenient high-speed joint and split, improve the convenience of using or changing.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A circuit board connecting structure comprises two long circuit boards (1) and two short circuit boards (2), wherein the two long circuit boards (1) and the two short circuit boards (2) form a rectangular frame, and the circuit board connecting structure is characterized in that the top and the bottom of each short circuit board (2) and the two sides of each long circuit board (1) are fixedly connected with three triangular blocks (3), one sides of the two adjacent three triangular blocks (3) close to each other are contacted, the two adjacent three triangular blocks (3) are symmetrically arranged, two semicircular plates (4) are respectively arranged in an outer included angle of the joint of each short circuit board (2) and the corresponding long circuit board (1), the two adjacent semicircular plates (4) form a whole circular plate, one side of each semicircular plate (4) close to the corresponding three triangular block (3) is fixedly installed with the triangular block (3), and the two adjacent semicircular plates (4) are movably sleeved with the same elastic snap ring (5), one side that elastic clasp (5) is close to two three hornblocks (3) that correspond is provided with fracture (12), one side fixedly connected with dead lever (6) of two three hornblocks (3) that correspond are kept away from in elastic clasp (5), and one side fixedly connected with semi-circular pull ring (7) of corresponding elastic clasp (5) are kept away from in dead lever (6), semi-circular draw-in groove (9) have all been seted up to one side that two adjacent semicircle boards (4) are close to each other, one side that semi-circular draw-in groove (9) are close to corresponding dead lever (6) sets up to the opening, the activity card is equipped with same circle kelly (10) in two semi-circular draw-in groove (9), the inboard fixed connection of one end and elastic clasp (5) that circle kelly (10) are close to corresponding dead lever (6), the opposite side bonding of dead lever (6) is fixed with two elastic soft rubber pieces (8), two arcs of fixed connection between one side and elastic clasp (5) The shape elastic sheet (11), two arc elastic sheets (11) on the same fixing rod (6) are symmetrically arranged, and two elastic soft rubber blocks (8) on the same fixing rod (6) are arranged between the two arc elastic sheets (11).

2. A circuit board connecting structure according to claim 1, wherein one side of the triangular block (3) close to the corresponding semicircular plate (4) is provided with an arc surface (13) matching with the outer side of the semicircular plate (4), and one side of the triangular block (3) close to the corresponding semicircular plate (4) is fixedly bonded with the outer side of the semicircular plate (4).

3. A circuit board connecting structure according to claim 1, wherein one side of the elastic soft rubber block (8) close to the corresponding elastic snap ring (5) is provided with an arc-shaped structure matched with the outer side of the elastic snap ring (5), and one side of the elastic soft rubber block (8) is movably contacted with the outer side of the corresponding elastic snap ring (5).

4. A circuit board connecting structure according to claim 1, wherein the side walls of two adjacent semicircular slots (9) are in movable contact with the outer sides of the corresponding circular clamping bars (10).

5. A circuit board connecting structure according to claim 1, wherein the side of the round locking bar (10) away from the corresponding fixing bar (6) is provided with a conical structure.

6. A wiring board connection structure according to claim 1, wherein the breaking portion (12) of said snap ring (5) has a length of one third of the total length.