CN213186711U

CN213186711U - Splicing structure of PCB substrate

Info

Publication number: CN213186711U
Application number: CN202021518213.0U
Authority: CN
Inventors: 韩亚男
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-28
Filing date: 2020-07-28
Publication date: 2021-05-11
Anticipated expiration: 2030-07-28

Abstract

The utility model belongs to the technical field of the circuit board technique and specifically relates to a mosaic structure of PCB base plate, including first PCB base plate and second PCB base plate, the right side fixedly connected with inserted block of first PCB base plate, the slot with inserted block looks adaptation is seted up in the left side of second PCB base plate, the dead slot has been seted up to bilateral symmetry around the inner wall of slot, the inside swing joint of dead slot has the gag lever post, the inside swing joint who leads to the groove has two movable rods, and two fixedly connected with second spring between the lower part of the relative one side of movable rod, the spout has been seted up at the inner wall top middle part that leads to the groove, the inside swing joint of spout has the extrusion piece, just the through-hole has been seted up on the inner wall top of spout. The utility model has the advantages of reasonable design, it is convenient to use, and the assembly and the dismantlement of first PCB base plate and second PCB base plate are simple convenient, and work efficiency is high, can avoid the wasting of resources moreover, is worth using widely.

Description

Splicing structure of PCB substrate

Technical Field

The utility model relates to a circuit board technical field especially relates to a mosaic structure of PCB base plate.

Background

PCB boards, also known as printed circuit boards, are providers of electrical connections for electronic components. Its development has been over 100 years old; the design of the method is mainly layout design; the circuit board has the main advantages of greatly reducing errors of wiring and assembly, and improving the automation level and the production labor rate.

Because monolithic PCB board space is limited, in the use, the phenomenon of piecing together two PCB boards often can appear, but current mode of assembling is mostly comparatively troublesome, and efficiency is lower, inconvenient dismantlement moreover, when a PCB board goes wrong, need with whole change, cause the wasting of resources easily. To this end, we propose a split structure of a PCB substrate to solve such problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art, and providing a PCB substrate splicing structure, which is convenient to disassemble and assemble and more convenient to use.

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

the utility model provides a mosaic structure of PCB base plate, includes first PCB base plate and second PCB base plate, the right side fixedly connected with inserted block of first PCB base plate, the slot with inserted block looks adaptation is seted up in the left side of second PCB base plate, the dead slot has been seted up to bilateral symmetry around the inner wall of slot, the inside swing joint of dead slot has the gag lever post, just the first spring of fixedly connected with between the inner wall of gag lever post and dead slot, set up the logical groove of using with the gag lever post cooperation on the inserted block, the inside swing joint who leads to the groove has two movable rods, and two fixedly connected with second spring between the lower part of the relative one side of movable rod, the spout has been seted up at the inner wall top middle part in logical groove, the inside swing joint of spout has the extrusion piece, just the through-hole has been seted up on the inner wall top of.

Preferably, the elastic coefficient of the first spring is much larger than that of the second spring.

Preferably, the upper end of the extrusion block is fixedly connected with a third spring, and the upper end of the third spring is fixedly connected with the top end of the inner wall of the sliding groove.

Preferably, a first threaded hole is formed in the top end of the inner wall of the slot, a threaded rod is connected to the inner thread of the first threaded hole, and a handle is fixedly connected to the upper end of the threaded rod.

Preferably, a second threaded hole is formed in the right side of the upper end of the second PCB substrate, and the second threaded hole is matched with the threaded rod.

The utility model provides a mosaic structure of PCB base plate, beneficial effect lies in:

1. when the inserting block completely enters the slot, the empty slot is communicated with the through slot, the elastic force of the first spring drives the limiting rod to be inserted into the through slot, so that the inserting block is limited, the first PCB substrate and the second PCB substrate are stably spliced together and cannot be separated, the operation is simple and convenient, and the working efficiency is high;

2. after the limiting rod is inserted into the through groove, the two movable rods are close to each other, the second spring is compressed, the through hole is aligned with the first threaded hole, when the PCB is required to be disassembled, the threaded rod is screwed out of the second threaded hole and screwed into the first threaded hole, the extrusion block is driven to move downwards through the threaded rod, the two movable rods are extruded by the extrusion block to be away from each other, the limiting rod can be ejected out of the through groove, the limitation on the insertion block is removed, the first PCB substrate and the second PCB substrate are conveniently separated, the first PCB substrate and the second PCB substrate can be independently replaced, the uniform disassembly and replacement are avoided, and resources are saved;

compared with the prior art, the utility model has the advantages of reasonable design, it is convenient to use, and the assembly and the dismantlement of first PCB base plate and second PCB base plate are simple convenient, and work efficiency is high, can avoid the wasting of resources moreover, is worth using widely.

Drawings

Fig. 1 is a schematic structural view of a splicing structure of a PCB substrate according to the present invention;

fig. 2 is a side view of a portion of the structure shown in fig. 1 in a split structure of a PCB substrate according to the present invention;

fig. 3 is a top view of a first PCB substrate in a split structure of PCB substrates according to the present invention;

fig. 4 is a top view of a second PCB substrate in the split structure of the PCB substrate according to the present invention;

fig. 5 is a side view of fig. 4 in a split structure of a PCB substrate according to the present invention.

In the figure: the PCB comprises a first PCB substrate 1, a second PCB substrate 2, an inserting block 3, a slot 4, an empty slot 5, a limiting rod 6, a first spring 7, a through slot 8, a movable rod 9, a second spring 10, a sliding slot 11, an extruding block 12, a through hole 13, a first threaded hole 14, a threaded rod 15, a handle 16, a second threaded hole 17 and a third spring 18.

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. 1-5, a mosaic structure of PCB base plate, including first PCB base plate 1 and second PCB base plate 2, second screw hole 17 has been seted up on the upper end right side of second PCB base plate 2, and second screw hole 17 and threaded rod 15 looks adaptation, when threaded rod 15 does not use, can screw in the inside of second screw hole 17 and preserve, can avoid threaded rod 15 to lose, and is more practical.

The right side fixedly connected with inserted block 3 of first PCB base plate 1, slot 4 with inserted block 3 looks adaptation is seted up in the left side of second PCB base plate 2, first screw hole 14 has been seted up on the inner wall top of slot 4, the internal thread of first screw hole 14 is connected with threaded rod 15, the upper end fixedly connected with handle 16 of threaded rod 15, the setting of handle 16, make things convenient for threaded rod 15 to rotate, with threaded rod 15 screw in first screw hole 14, it moves down to drive extrusion block 12 through threaded rod 15, make extrusion block 12 extrude two movable rods 9 and keep away from each other, can be with 6 ejecting logical grooves 8 of gag lever post, thereby remove the restriction to inserted block 3, conveniently separate first PCB base plate 1 and second PCB base plate 2.

The dead slot 5 has been seted up to bilateral symmetry around the inner wall of slot 4, the inside swing joint of dead slot 5 has gag lever post 6, and the first spring 7 of fixedly connected with between the inner wall of gag lever post 6 and dead slot 5, the elastic coefficient of first spring 7 is far greater than the elastic coefficient of second spring 10, when dead slot 5 and logical groove 8 intercommunication, the elasticity of first spring 7 can drive gag lever post 6 and insert the inside that leads to groove 8, thereby make inserted block 3 spacing, gag lever post 6 inserts behind the logical groove 8, can make two movable rods 9 be close to each other, and make second spring 10 compressed.

Offer on the inserted block 3 and cooperate logical groove 8 that uses with gag lever post 6, the inside swing joint who leads to groove 8 has two movable rods 9, and fixedly connected with second spring 10 between the lower part of the relative one side of two movable rods 9, spout 11 has been seted up at the inner wall top middle part of leading to groove 8, the inside swing joint of spout 11 has extrusion piece 12, and the inner wall top of spout 11 has seted up through-hole 13, the upper end fixedly connected with third spring 18 of extrusion piece 12, the upper end of third spring 18 and the inner wall top fixed connection of spout 11, during the first screw hole 14 of threaded rod 15 screw in, threaded rod 15 can drive extrusion piece 12 and move down, make third spring 18 stretched, threaded rod 15 back of screwing out first screw hole 14, the elasticity of third spring 18 can drive extrusion piece 12 and shift up the reseing, avoid influencing the work of assembling next time.

The working principle is as follows: when the PCB assembling machine is assembled, the first PCB substrate 1 and the second PCB substrate 2 can be assembled by inserting the inserting block 3 into the slot 4, when the inserting block 3 enters the slot 4 completely, the limiting rod 6 can be extruded to retract into the empty slot 5, the first spring 7 is compressed, when the inserting block 3 enters the slot 4 completely, the empty slot 5 is communicated with the through slot 8, the elastic force of the first spring 7 can drive the limiting rod 6 to be inserted into the through slot 8, so that the inserting block 3 is limited, the first PCB substrate 1 and the second PCB substrate 2 are stably assembled together, after the limiting rod 6 is inserted into the through slot 8, the two movable rods 9 are close to each other, the second spring 10 is compressed, the through hole 13 is aligned with the first threaded hole 14, when the disassembling is needed, the threaded rod 15 is screwed out of the second threaded hole 17 and is screwed into the first threaded hole 14, the extruding block 12 is driven to move downwards by the threaded rod 15, the two movable rods 9 extruded by the extrusion block 12 are far away from each other, and the limiting rods 6 can be pushed out of the through grooves 8, so that the limitation on the insertion block 3 is removed, and the first PCB substrate 1 and the second PCB substrate 2 are conveniently separated.

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 splicing structure of PCB substrates comprises a first PCB substrate (1) and a second PCB substrate (2), and is characterized in that an insert block (3) is fixedly connected to the right side of the first PCB substrate (1), a slot (4) matched with the insert block (3) is formed in the left side of the second PCB substrate (2), empty grooves (5) are symmetrically formed in the front and back sides of the inner wall of the slot (4), a limiting rod (6) is movably connected to the inside of each empty groove (5), a first spring (7) is fixedly connected between each limiting rod (6) and the inner wall of each empty groove (5), a through groove (8) matched with the limiting rod (6) for use is formed in each insert block (3), two movable rods (9) are movably connected to the inside of each through groove (8), and a second spring (10) is fixedly connected between the lower portions of the opposite sides of the two movable rods (9), the novel plastic extruding machine is characterized in that a sliding groove (11) is formed in the middle of the top end of the inner wall of the through groove (8), an extruding block (12) is movably connected to the inside of the sliding groove (11), and a through hole (13) is formed in the top end of the inner wall of the sliding groove (11).

2. The PCB substrate mosaic structure of claim 1, wherein the first spring (7) has a substantially greater spring constant than the second spring (10).

3. The PCB substrate splicing structure of claim 1, wherein the upper end of the extrusion block (12) is fixedly connected with a third spring (18), and the upper end of the third spring (18) is fixedly connected with the top end of the inner wall of the sliding groove (11).

4. The PCB substrate splicing structure of claim 1, wherein a first threaded hole (14) is formed in the top end of the inner wall of the slot (4), a threaded rod (15) is connected to the inner thread of the first threaded hole (14), and a handle (16) is fixedly connected to the upper end of the threaded rod (15).

5. The PCB substrate splicing structure of claim 1, wherein a second threaded hole (17) is formed in the right side of the upper end of the second PCB substrate (2), and the second threaded hole (17) is matched with the threaded rod (15).