CN104822226B - Circuit board assemblies - Google Patents

Circuit board assemblies Download PDF

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Publication number
CN104822226B
CN104822226B CN201510211901.XA CN201510211901A CN104822226B CN 104822226 B CN104822226 B CN 104822226B CN 201510211901 A CN201510211901 A CN 201510211901A CN 104822226 B CN104822226 B CN 104822226B
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CN
China
Prior art keywords
circuit board
card slot
connecting portion
side wall
fastener
Prior art date
Application number
CN201510211901.XA
Other languages
Chinese (zh)
Other versions
CN104822226A (en
Inventor
郭伟
周革革
曾杰
Original Assignee
武汉华星光电技术有限公司
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Application filed by 武汉华星光电技术有限公司 filed Critical 武汉华星光电技术有限公司
Priority to CN201510211901.XA priority Critical patent/CN104822226B/en
Publication of CN104822226A publication Critical patent/CN104822226A/en
Application granted granted Critical
Publication of CN104822226B publication Critical patent/CN104822226B/en

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • H05K1/14Structural association of two or more printed circuits
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/20Details of printed circuits not provided for in H05K2201/01 - H05K2201/10
    • H05K2201/2018Presence of a frame in a printed circuit or printed circuit assembly

Abstract

The invention discloses a kind of circuit board assemblies, including first circuit board, second circuit board and fastener, second circuit board is arranged with first circuit board overlapping, first circuit board sets the first card slot, second circuit board sets the second card slot, fastener includes opening, after first circuit board and second circuit board overlap in insertion opening, so that fastener is sticked in the first card slot and the second card slot.Circuit board assemblies provided by the invention, by the way that first circuit board and second circuit board are overlapped setting, it sets the first card slot and the second card slot respectively on first circuit board and second circuit board, fastener is engaged with the first card slot and the second card slot, to realize two fixed purposes of circuit board.Since the fastener is to snap connection with the first card slot and the second card slot, so subsequent assembly and disassembly can be convenient for, the damage caused by circuit board during assembly and disassembly is reduced.Simultaneously as using snapping connection, so its packaging efficiency is high, so as to improve production efficiency.

Description

Circuit board assemblies

Technical field

The present invention relates to printed circuit technique field more particularly to a kind of circuit board assemblies.

Background technology

Supplier of the circuit board as electronic component connection, is the supporter of electronic component, is used in various On intelligent terminal.

Although most of circuit board is mostly sometimes to need two or two to be connect with other electronic components Above circuit board is connected with each other to realize certain linkage functions.Most of way is at present:Lead to using by two circuit boards It crosses fixation adhesive tape to bond together, to realize two fixed purposes of circuit board.However, being had using aforesaid way following Disadvantage:

1, by the way of adhesive tape bonding, the working hour of consuming is longer, so production efficiency is relatively low, leads to production cost height;

2, it due to by the way of adhesive tape bonding, when needing to disassemble two circuit boards, being not easy to dismantle, is easy The pin on circuit board is damaged, the reuse of circuit board is unfavorable for;

3, during by circuit board and other component assembling, since adhesive tape has viscosity, it is easy gluing due to adhesive tape Property and tear off two circuit boards, lead to broken string or pin situations such as damaging.

Invention content

In view of this, in view of the deficiencies of the prior art, the present invention aims to provide one kind capable of being convenient for group Dress or dismounting, and the circuit board assemblies of production efficiency can be improved.

To achieve the above object, the present invention provides a kind of circuit board assemblies, wherein the circuit board assemblies include the first electricity Road plate, second circuit board and fastener, the second circuit board are arranged with first circuit board overlapping, first circuit The first card slot is offered on plate, and the second card slot is offered on the second circuit board, the fastener, which is equipped with, to be open, and described first It is inserted into the opening after circuit board and second circuit board overlapping, so that the fastener is sticked in first card slot and second Card slot.

Wherein, the fastener includes first connecting portion, second connecting portion and third interconnecting piece, the first connecting portion It being oppositely arranged with the second connecting portion, the third interconnecting piece is connected between the first connecting portion and second connecting portion, The opening is formed in the first connecting portion, the second connecting portion and the third interconnecting piece, the first connecting portion and Second connecting portion is sticked in first card slot and the second card slot respectively.

Wherein, the first oblique angle and the second oblique angle, institute are respectively arranged in the first connecting portion and the second connecting portion It states the first oblique angle and second oblique angle is respectively arranged on the first connecting portion and the second connecting portion closes on the opening On side, and first oblique angle is arranged with second oblique angle direction, when the first connecting portion is connect with described second When portion engages with first card slot and second card slot respectively, first oblique angle and second oblique angle are connected to respectively The side wall of first card slot and second card slot.

Wherein, the first connecting portion and the second connecting portion are respectively arranged with the first assembling inclination angle and the second assembling is inclined Angle, the first assembling inclination angle is respectively arranged on the first connecting portion with the second assembling inclination angle and second connecting portion closes on described open On the side of mouth, the first assembling inclination angle and the second assembling inclination angle direction setting.

Wherein, the first circuit board includes the first face, and the second circuit board includes the second face, second face and institute It states the first face to be oppositely arranged, third card slot and the 4th card slot is offered on first face and the second face respectively, when the buckle When part is sticked in first card slot and the second card slot, the outer surface of the first connecting portion is flushed with first face, described The outer surface of second connecting portion is flushed with second face.

Wherein, the first circuit board includes the first side wall, and the second circuit board includes second sidewall, the second side Wall and the first side wall are arranged side by side, and the first straight slot is offered on the first side wall, and the is offered in the second sidewall Two straight slots, and second straight slot is connected to first straight slot.

Wherein, the first connecting portion and second connecting portion are sticked in respectively on first card slot and the second card slot, institute The bottom wall for stating opening is bonded with the bottom wall of first straight slot and the second straight slot, so that the outer surface of the third interconnecting piece and institute It states the first side wall and second sidewall flushes.

Wherein, the first circuit board includes a third side wall being oppositely arranged with the first side wall, second electricity Road plate includes the 4th side wall being oppositely arranged with the second sidewall, and the 4th side wall is set side by side with the third side wall It sets, third straight slot is offered on the third side wall, the 4th straight slot, the 4th straight slot and institute are offered on the 4th side wall State the connection of third straight slot.

Wherein, fastener setting quantity is two, and two fasteners are sticked in first card slot and the In two draw-in groove, and two fasteners are mutually towards setting, and the opening bottom walls of two fasteners is respectively with described the The fitting of the bottom wall of the bottom wall of one straight slot and third straight slot so that the third interconnecting piece outer surface of two fasteners respectively with institute It states the first side wall and third side wall flushes.

Wherein, first card slot and the second card slot are square groove, and first card slot and the second card slot are rectangular Slot, and second card slot is connected to first card slot.

The circuit board assemblies that embodiment of the present invention provides, by the way that first circuit board and second circuit board are overlapped setting, And offer the first card slot and the second card slot respectively on first circuit board and second circuit board, by fastener and the first card slot and Second card slot engages, so as to realize two fixed purposes of circuit board.Due to the fastener and the first card slot and second Card slot is snaps connection, so can subtract instead of existing by the way of adhesive tape bonding convenient for subsequent assembly and disassembly Few damage caused by circuit board during assembly and disassembly.Simultaneously as using snapping connection, so its packaging efficiency Height reduces production cost so as to improve production efficiency.The circuit board assemblies have it is simple in structure, be convenient for assembly and disassembly The advantages of.

Description of the drawings

In order to more clearly illustrate the construction feature and effect of the present invention, come below in conjunction with the accompanying drawings to it with specific embodiment It is described in detail.

Fig. 1 is the combination diagram for the circuit board assemblies that first embodiment of the invention provides;

Fig. 2 is the combination diagram for the circuit board assemblies that second embodiment of the invention provides;

Fig. 3 is the combination diagram for the circuit board assemblies that third embodiment of the invention provides;

Fig. 4 is the decomposition diagram for the circuit board assemblies that third embodiment of the invention provides;

Fig. 5 is the combination diagram for the circuit board assemblies that four embodiment of the invention provides;

Fig. 6 is the decomposition diagram for the circuit board assemblies that four embodiment of the invention provides;

Fig. 7 is the combination diagram for the circuit board assemblies that fifth embodiment of the invention provides;

Fig. 8 is the decomposition diagram for the circuit board assemblies that fifth embodiment of the invention provides;

Fig. 9 is the structural schematic diagram of the first embodiment for the fastener that embodiment of the present invention provides;

Figure 10 is the structural schematic diagram of the second embodiment for the fastener that embodiment of the present invention provides.

Specific implementation mode

Below in conjunction with the attached drawing in embodiment of the present invention, the technical solution in embodiment of the present invention is carried out clear Chu is fully described by.

A kind of circuit board assemblies that embodiment of the present invention provides, including first circuit board, second circuit board and buckle Part, the second circuit board are arranged with first circuit board overlapping, the fastener and the first circuit board and the second electricity Road board closes, with the fixation first circuit board and second circuit board.

The circuit board assemblies that embodiment of the present invention provides engage first circuit board and second circuit by using fastener Plate, so that it is detachable between first circuit board and second circuit board, so assembling or separation can be convenient for, it is simple in structure.

Referring to Fig. 1, the circuit board assemblies 10 provided for first embodiment of the invention, including first circuit board 11, the Two circuit boards 12 and the fastener 13.The second circuit board 12 is arranged with the overlapping of the first circuit board 11, and institute It states and offers the first card slot 111 and the second card slot 121, the fastener 13 on first circuit board 11 and second circuit board 12 respectively It is connected together in first card slot, 111 and second card slot 121.

The first circuit board 11 includes the first side wall 112 being oppositely arranged and second sidewall 113, the first side wall First card slot 111 is offered on 112, first card slot 111 is square groove, and first card slot 111 runs through institute State the first side wall 112.

The second circuit board 12 includes the third side wall 122 and the 4th side wall 123 being oppositely arranged, the third side wall 122 are arranged side by side with the first side wall 112, and the 4th side wall 123 is arranged side by side with the second sidewall 113.Described The second card slot 121 is offered on three side walls 122, second card slot 121 is square groove, and second card slot 121 is through described Third side wall 122, and second card slot 121 is connected to first card slot 111.

Referring to Fig. 9, the first embodiment of the fastener 13 provided for embodiment of the present invention, the fastener 13 Including an opening 131, it is inserted into the opening 131 after the first circuit board 11 and the overlapping of second circuit board 12, so that institute It states fastener 13 and is sticked in first card slot, 111 and second card slot 121.In present embodiment, the fastener 13 is C fonts Platy structure.The fastener 13 includes first connecting portion 132, second connecting portion 133 and third interconnecting piece 134, described First connecting portion 132 is oppositely arranged with the second connecting portion 133, and the third interconnecting piece 134 is connected to first connection Between portion 132 and second connecting portion 133, to form the opening 131.Specifically, when the fastener 13 and first electricity When road plate 11 and second circuit board 12 engage, the second side of the bottom wall of the opening of the fastener 13 and the first circuit board 11 When 4th side wall 123 of wall 113 and the second circuit board 12 is bonded, the first connecting portion 132 and second connecting portion 133 It is sticked in respectively in first card slot, 111 and second card slot 121, i.e., the fastener 13 is covered in the first circuit board 51 And on second circuit board 52, so that the whole stress intensity of the circuit board assemblies 50 increases, in order to subsequent assembling Or dismounting.At this point, due to the first connecting portion 132 and the snap-in function of second connecting portion 133 so that 13 jail of the fastener Jail is sticked on the first circuit board 11 and second circuit board 12, to reach the first circuit board 11 and second circuit 12 fixed purpose of plate.And when needing to detach the first circuit board 11 with second circuit board 12, it only need to be by described first Interconnecting piece 132 and second connecting portion 133 are detached from first card slot, 111 and second card slot 121 so that the opening 131 with The first circuit board 11 and second circuit board 12 detach.

For further improvement, the first connecting portion 132 and second connecting portion 133 on be respectively arranged with first tiltedly Angle 132a and the second oblique angle 133a, the first oblique angle 132a and the second oblique angle 133a are respectively arranged on the first connecting portion 132 And second connecting portion 133 is closed on the side of the opening 131, and the first oblique angle 132a and the second oblique angle 133a Towards setting.When the first connecting portion 132 and the second connecting portion 133 are blocked with first card slot 111 and second respectively When slot 121 engages, the first oblique angle 132a and the second oblique angle 133a are connected to first card slot, 111 and second card slot respectively 121 side wall.In present embodiment, the first oblique angle 132a and the second oblique angle 133a are mutually towards setting, in order to described First connecting portion 132 and second connecting portion 133 can be firmly sticked in first card slot, 111 and second card slot 121, be prevented In an assembling process, the first connecting portion 132 and second connecting portion 133 are divided with first card slot, 111 and second card slot 121 From and cause to connect it is improper.It is understood that in other embodiments, the first oblique angle 132a and the second oblique angle 133a Angle of inclination can be also arranged according to actual conditions, such as 130 degree or 120 degree.

Referring to Fig. 10, being the signal of second of embodiment of the fastener 13 that embodiment of the present invention provides Figure.Second embodiment of the fastener 13 provided by the invention with the first embodiment the difference is that, institute State first connecting portion 132 and second connecting portion 133 on be respectively arranged with the assemblings of the first assembling inclination angle 132b and second inclination angle 133b, the first assembling inclination angle 132b and the second assembling inclination angle 133b are respectively arranged on the company of the first connecting portion 132 and second Socket part 133 is closed on the side of the opening 131, and the first assembling inclination angle 132b and the second assembling inclination angle 133b directions are set It sets.In present embodiment, first assembling inclination angle 132b and the first oblique angle 132a is respectively positioned on the first connecting portion 132 The same side, and it is described first assembling inclination angle 132b and second assembling inclination angle 133b towards it is described opening 131 inner wall incline Tiltedly, and its angle is 30 degree, in order to the first connecting portion 132 and second connecting portion 133 and first card slot 111 And second card slot 121 connect.Specifically, first assembling inclination angle 132b and the first oblique angle 132a forms a triangle First boss, the second assembling inclination angle 133b and the second oblique angle 133a form the second boss of a triangle, and And the protrusion direction mutually direction of the second boss and the first boss is arranged, in order in the first connecting portion 132 And second connecting portion 133 is with first card slot, 111 and second card slot 121 when engaging respectively, the first assembling inclination angle 132b And second assembling inclination angle 133b can be convenient for the first connecting portion 132 and second connecting portion 133 and first card slot 111 and The engaging of second card slot 121, meanwhile, the first oblique angle 132a and the second oblique angle 133a can be connected to first card slot 111 and second in card slot 121, to prevent the first connecting portion 132 and second connecting portion 133 from first card slot 111 and It is detached from second card slot 121.It is understood that in other embodiments, described first assembles inclination angle 132b and second group It can be 45 degree or 35 degree etc. to fill inclination angle 133b also.

The circuit board assemblies 50 that first embodiment of the invention provides, by the first circuit board 11 and second circuit The first card slot 111 and the second card slot 121 are offered in the one side wall of plate 12 respectively so that the fastener 13 is with described first When circuit board 11 and second circuit board 12 engage, the fastener 13 can entirely be covered in the first circuit board 11 and second On circuit board 12, so as to increase the whole stress intensity of the circuit board assemblies 10, so that it is in subsequent assembling Or in dismounting, larger external force can be born, so as to prevent it from fractureing, detach or damaging since external force is excessive, to Extend the service life of the circuit board assemblies 10.

Also referring to Fig. 2, Fig. 9 and Figure 10, a kind of circuit board assemblies 20 provided for second embodiment of the invention. The circuit board assemblies 20 include first circuit board 21, second circuit board 22 and fastener 13.The second circuit board 22 with The overlapping of the first circuit board 21 is arranged, and the first card slot is offered respectively on the first circuit board 21 and second circuit board 22 211 and second card slot 221, the fastener 13 be sticked in first card slot, 211 and second card slot 221.

The first circuit board 11 that the first circuit board 21 that second embodiment of the invention provides is provided with first embodiment The difference is that the first circuit board 21 that second embodiment of the invention provides includes the first face 212, described first First card slot 211 is offered on face 212, first card slot 211 runs through the first circuit board 21, and described first Card slot 211 is square groove.It is understood that in other embodiments, first card slot 211 can also be U-lag.

The second circuit board 22 is superimposed on the first circuit board 21, the second circuit board 22 include one with it is described The second face 222 that first face 212 is oppositely arranged, second card slot 221 are opened on second face 222, second card Slot 221 runs through the second circuit board 22, and second card slot 221 is square groove.It is understood that in other implementations In mode, second card slot 221 can also be U-lag.

Second card slot 221 is connected to first card slot 211.In present embodiment, second card slot 221 opens up At second circuit board 22 and 21 overlapping of the first circuit board, in order to be connected to first card slot 211.

It is understood that in other embodiments, it can also be directly in the first circuit board 21 and second electricity First card slot 211 is offered at the overlapping of road plate 22, and makes first card slot 211 simultaneously through first electricity Road plate 21 and second circuit board 22.

When the fastener 13 engages with the first circuit board 21 and second circuit board 22, the fastener 13 is opened Mouth 131 passes through first card slot, 211 and second card slot 221, so that the bottom wall of the opening 131 of the fastener 13 can be bonded In the one side wall of the first circuit board 21 and second circuit board 22, and the first connecting portion 132 and second connecting portion 133 are sticked in first card slot, 211 and second card slot 221, to realize the first circuit board 21 and described second 22 fixed purpose of circuit board.And in follow-up dismounting, it only need to be by the first connecting portion 132 and second connecting portion 133 and institute State the first card slot 211 and the separation of the second card slot 221.

The circuit board assemblies 20 that second embodiment of the invention provides are by by first circuit board 21 and second circuit board 22 Overlapping setting, and offer the first card slot 211 and second card respectively on the surface of first circuit board 21 and second circuit board 22 Slot 221 so that the first connecting portion 132 and second connecting portion 133 of fastener 13 can be sticked in first card slot 211 and In two draw-in groove 221, to realize the purpose that the first circuit board 21 and second circuit board 22 are fixed together.Meanwhile by Engage in using fastener 13, to also can quickly and easily divide first circuit board 21 and second circuit board 22 in dismounting From so as to substitute the problem of being not easy to dismounting caused by the existing method using adhesive tape bonding.It is simple in structure, and It is easy to process.

It is the circuit board assemblies 30 that third embodiment of the invention provides also referring to Fig. 3, Fig. 4, Fig. 9 and Figure 10, Including first circuit board 31, second circuit board 32 and fastener 13.Divide on the first circuit board 31 and second circuit board 32 The first card slot 311 and the second card slot 321 are not offered, and the fastener 13 is sticked in the first card slot 311 and the second card slot 321.

The first circuit that the first circuit board 31 that third embodiment of the invention provides is provided with the second embodiment Plate 21 the difference is that, third embodiment of the invention provide the first circuit board 31 include one first face 312, institute The first card slot 311 is stated to be opened on first face 312.It is further opened with third card slot 312a on first face 312, described Three card slot 312a be square groove, and the third card slot 312a through the first circuit board 31 in the width direction on two Side, in order to be connect with the fastener 13.

The second circuit board 22 that the second circuit board 32 that third embodiment of the invention provides is provided with second embodiment The difference is that the second circuit board 32 includes the second face 322, second card slot 321 is opened in second face On 322.The 4th card slot 322a, the 4th card slot 322a and the third card slot 312a are further opened on second face 322 It is oppositely arranged, the 4th card slot 322a is square groove, and the 4th card slot 322a runs through 32 edge of the second circuit board Both sides in width direction.When the fastener 13 engages with first card slot, 311 and second card slot 321, the buckle The outer surface of the first connecting portion 132 of part 13 is flushed with first face 312, the outer surface of the second connecting portion 133 and institute It states the second face 322 to flush, so that the fastener 13 can be overlapped with the first circuit board 31 and second circuit board 32 Setting so that the overall structure of the circuit board assemblies 30 is more compact, and when being assembled with other component, can subtract The occupied space of few circuit board assemblies 30, to cost saved space, while improving integrally-built consistency.

The number of the fastener 13 for the circuit board assemblies 30 that third embodiment of the invention provides can be one or two It is a.In present embodiment, the number of the fastener 13 is two, and two fasteners 13 are mutually towards setting, two institutes It states the first connecting portion 132 of fastener 13 and second connecting portion 133 is connected together in first card slot, 311 and second card slot 321, the opening bottom wall of two fasteners 13 is bonded with the two side of the first circuit board 31 and second circuit board 32, So that the surface of described two fasteners 13 can be neat with the surface of the first circuit board 31 and second circuit board 32 It is flat, to improve the structural compactness of the circuit board assemblies 30.Simultaneously as using two buckle structures 13, so make The connection obtained between first circuit board 31 and second circuit board 32 is closer, ensures overall package.

The circuit board assemblies 30 that third embodiment of the invention provides pass through in first circuit board 31 and second circuit board 32 Surface on offer third card slot 312a and the 4th card slot 322a respectively so that the fastener 13 is with described first When card slot 311 and the second card slot 321 engage, the fastener 13 can be with the first circuit board 31 and second circuit board 32 Outer surface flushes so that the overall structure of the circuit board assemblies 30 is more compact, meanwhile, can also be convenient for its with other component Assembling when more save space.

It is the circuit board assemblies 40 that four embodiment of the invention provides also referring to Fig. 5, Fig. 6, Fig. 9 and Figure 10, It includes first circuit board 41, second circuit board 42 and the fastener 13, the first circuit board 41 and second circuit board The first card slot 411 and the second card slot 421 are offered on 42 respectively.

The circuit board 21 that the first circuit board 41 that four embodiment of the invention provides is provided with second embodiment is not It is with place, the first circuit board 41 that four embodiment of the invention provides includes the first side wall 412, first side It is square groove that the first straight slot 412a, the first straight slot 412a is offered on wall 412, and the first straight slot 412a runs through institute State the first side wall 412.

The second circuit board 42 includes second sidewall 422, and the second sidewall 422 and the first side wall 412 are side by side It is arranged, the second straight slot 422a, the second straight slot 422a is offered in the second sidewall 422 and runs through the second sidewall 422. Specifically, the second straight slot 422a is square groove, and the second straight slot 422a is connected to the first straight slot 412a.

When the fastener 13 engages with the first circuit board 41 and second circuit board 42, the first connecting portion 132 and second connecting portion 133 be sticked in respectively on first card slot, 411 and second card slot 412, the buckle of the fastener 13 131 bottom wall is bonded with the bottom wall of the first straight slot 412a and the second straight slot 422a, so that the third interconnecting piece 134 is outer Surface is flushed with the first side wall 412 and second sidewall 422, so that the side wall of the fastener 13 can be with described The side wall of one circuit board 41 and second circuit board 42 flushes, improve the circuit board assemblies 40 global consistency and structure it is tight Gathering property.Meanwhile can also be convenient for the assembling of the circuit board assemblies 40 and other component, and cost saved the sky of its occupancy Between.

The circuit board assemblies 40 that four embodiment of the invention provides, by the first circuit board 41 and second circuit The first straight slot 412a and the second straight slot 422a is offered on the side wall of plate 42 respectively so that the fastener 13 is with described first When circuit board 41 and second circuit board 42 engage, side wall can be with the first circuit board 41 and the side wall of second circuit board 42 It flushes, to improve the global consistency of the circuit board assemblies 40.Additionally it is possible to which so that the circuit board assemblies 40 exist Occupied space can be saved when being assembled with other component, improve whole assembling property.

It is the circuit board assemblies 50 that fifth embodiment of the invention provides also referring to Fig. 7, Fig. 8, Fig. 9 and Figure 10, Including first circuit board 51, second circuit board 52 and the fastener 13.The first circuit board 51 and second circuit board 52 Include the first card slot 511 and the second card slot 512, the fastener 13 is connected together to be blocked in first card slot 511 and second Slot 512.

The first circuit board 41 that the first circuit board 51 and the 4th embodiment that fifth embodiment of the invention provides provide The difference is that the first circuit board 51 that fifth embodiment of the invention provides further includes one and the first side wall The 412 third side walls 512 being oppositely arranged offer third straight slot 512a, the third straight slot 512a on the third side wall 512 For square groove, and the third straight slot 512a runs through the third side wall 512.

The 4th side wall 522 that the second circuit board 52 is oppositely arranged including one with the second sidewall 422, the described 4th Side wall 522 and the third side wall 512 are arranged side by side, and offer the 4th straight slot 522a on the 4th side wall 522, and the described 4th Straight slot 522a is square groove, and the 4th straight slot 522a runs through the 4th side wall 522, and the 4th straight slot 522a and institute State the 512a connections of third straight slot.

For further improvement, it is two that quantity, which is arranged, in the fastener 13, and two fasteners 13 are sticked in In first card slot, 511 and second card slot 521, two fasteners 13 are mutually towards setting.When by two buckles When part 13 is sticked in first card slot, 511 and second card slot 521, the bottom wall point of the opening 131 of two fasteners 13 It is not bonded with the bottom wall of the first straight slot 412a, the second straight slot 422a and third straight slot 512a, the 4th straight slot 522a, so that two The outer surface of the third interconnecting piece 134 of a fastener 13 respectively with the first side wall 412, second sidewall 422 and third Side wall 512, the 4th side wall 522 flush, so as to improve the compact overall structure of the circuit board assemblies 50.Meanwhile it adopting Be connected together with two fasteners 13, can be further ensured that the fastener 13 and the first circuit board 51 and The being completely embedded property of second circuit board 52 prevents the first circuit board 51 from being detached with the second circuit board 52, after ensuring Continuous assembling and connection.

The circuit board assemblies 50 that fifth embodiment of the invention provides, by first circuit board 51 and second circuit board 52 Two side on be both provided with straight slot, while be arranged two fasteners 13 simultaneously with the first circuit board 51 and the second electricity Road plate 52 is connected together, to while ensureing the structural compactness of the circuit board assemblies 50, additionally it is possible to further The being completely embedded property for ensureing the first circuit board 51 and second circuit board 52, in order to subsequent assembling or connection.

It is understood that in other embodiments, the number of the fastener 13 can be according to practical fixing situation It chooses, the circuit board assemblies can be additionally used in more than two circuit boards and be fixed.

The circuit board assemblies that embodiment of the present invention provides, by the way that first circuit board and second circuit board are overlapped setting, And offer the first card slot and the second card slot respectively on first circuit board and second circuit board, by fastener and the first card slot and Second card slot engages, so as to realize two fixed purposes of circuit board.Due to the fastener and the first card slot and second Card slot is snaps connection, so can subtract instead of existing by the way of adhesive tape bonding convenient for subsequent assembly and disassembly Few damage caused by circuit board during assembly and disassembly.Simultaneously as using snapping connection, so its packaging efficiency Height reduces production cost so as to improve production efficiency.The circuit board assemblies have it is simple in structure, be convenient for assembly and disassembly The advantages of.

The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as Protection scope of the present invention.

Claims (8)

1. a kind of circuit board assemblies, which is characterized in that the circuit board assemblies include first circuit board, second circuit board and card Fastener, the second circuit board are arranged with first circuit board overlapping, and the first card slot, institute are offered on the first circuit board State and offer the second card slot on second circuit board, the fastener include the first connecting portion being oppositely arranged and second connecting portion with And it is connected to the third interconnecting piece between the first connecting portion and the second connecting portion, the first connecting portion, described Two interconnecting pieces and the third interconnecting piece surround to form opening, and the first connecting portion and the second connecting portion close on described open The edge of the side of mouth is respectively equipped with the first oblique angle and the second oblique angle, and first oblique angle and second oblique angle are each other It towards setting, is inserted into the opening after the first circuit board and second circuit board overlapping, so that first connection Portion and the second connecting portion are sticked in first card slot and second card slot and first oblique angle and described respectively Two oblique angles are connected to the side wall of first card slot and second card slot respectively.
2. circuit board assemblies according to claim 1, which is characterized in that the first connecting portion and the second connecting portion It is respectively arranged with the first assembling inclination angle and the second assembling inclination angle, the first assembling inclination angle is respectively arranged on institute with the second assembling inclination angle State first connecting portion and second connecting portion close on the opening side edge, the first assembling inclination angle and the second assembling Inclination angle is arranged towards each other, and first oblique angle and institute is respectively set in the first assembling inclination angle and second assembling inclination angle State side of second oblique angle far from the third interconnecting piece.
3. circuit board assemblies according to claim 2, which is characterized in that the first circuit board includes the first face, described Second circuit board includes the second face, and second face is oppositely arranged with first face, on first face and second face Third card slot and the 4th card slot are offered respectively, it is described when the fastener is sticked in first card slot and the second card slot The outer surface of first connecting portion is flushed with first face, and the outer surface of the second connecting portion is flushed with second face.
4. circuit board assemblies according to claim 2, which is characterized in that the first circuit board includes the first side wall, institute It includes second sidewall to state second circuit board, and the second sidewall is arranged side by side with the first side wall, is opened on the first side wall Equipped with the first straight slot, the second straight slot is offered in the second sidewall, and second straight slot is connected to first straight slot.
5. circuit board assemblies according to claim 4, which is characterized in that the first connecting portion and second connecting portion difference It is sticked on first card slot and the second card slot, the bottom of the bottom wall of the opening and first straight slot and second straight slot Wall is bonded, so that the outer surface of the third interconnecting piece is flushed with the first side wall and second sidewall.
6. circuit board assemblies according to claim 5, which is characterized in that the first circuit board includes one and described first The third side wall that side wall is oppositely arranged, the second circuit board include the 4th side wall being oppositely arranged with the second sidewall, 4th side wall is arranged side by side with the third side wall, and third straight slot, the 4th side wall are offered on the third side wall On offer the 4th straight slot, the 4th straight slot is connected to the third straight slot.
7. circuit board assemblies according to claim 6, which is characterized in that the fastener setting quantity is two, two The fastener is sticked in first card slot and the second card slot, and the mutually direction setting of two fasteners, and two The opening bottom wall of a fastener is bonded with the bottom wall of the bottom wall of first straight slot and third straight slot respectively, so that two institutes The third interconnecting piece outer surface for stating fastener is flushed with the first side wall and third side wall respectively.
8. according to the circuit board assemblies described in claim 1~7 any one, which is characterized in that first card slot and second Card slot is square groove, and second card slot is connected to first card slot.
CN201510211901.XA 2015-04-28 2015-04-28 Circuit board assemblies CN104822226B (en)

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CN109168252A (en) * 2018-10-26 2019-01-08 业成科技(成都)有限公司 Circuit board and preparation method thereof

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