CN109089376A - Connection structure between a kind of pcb board - Google Patents
Connection structure between a kind of pcb board Download PDFInfo
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- CN109089376A CN109089376A CN201810828059.8A CN201810828059A CN109089376A CN 109089376 A CN109089376 A CN 109089376A CN 201810828059 A CN201810828059 A CN 201810828059A CN 109089376 A CN109089376 A CN 109089376A
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- connecting cylinder
- pcb board
- cavity
- cylinder
- connection structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/14—Structural association of two or more printed circuits
- H05K1/144—Stacked arrangements of planar printed circuit boards
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- Microelectronics & Electronic Packaging (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The present invention relates to technical field of PCB board, and in particular to connection structure between a kind of pcb board.Including upper structural portion, flowering structure portion and interconnecting piece, upper structural portion includes upper substrate and upper connecting cylinder, flowering structure portion includes lower substrate and lower connecting cylinder, by being equipped with hollow protection cylinder at the top of the lower connecting cylinder, increase the path that inside is connected to outside when connecting cylinder is connect with lower connecting cylinder, influence so as to avoid common light current screw as interconnecting piece etc. to external pcb board, it from another point of view can be with the utilization rate of stem pcb board, simultaneously, the structure utilizes corresponding structure setting, facilitates installation.
Description
Technical field
The present invention relates to technical field of PCB board, and in particular to connection structure between a kind of pcb board.
Background technique
The mode major way that support is connected between the plate of currently used multi-layer PCB board is as follows:
The first is the plastic part attachment device for having elastic construction using both ends, and upper layer and lower layer pcb board is fixed.
It specifically include plastic part attachment device, upper layer pcb board, lower layer's pcb board and PCB aperture, which includes two
A elastic construction end；Plastic part attachment device passes through PCB aperture and connects upper layer pcb board with lower layer pcb board.This connection type
Since material is engineering plastics, quality is softer, and needs simultaneously to open elastic tip elastic slice and elastic tip neck by pcb board
Hole causes gap between elastic tip neck and PCB aperture excessive.Therefore bonding strength is low, connection is unreliable, is not able to satisfy ground connection
It is required that occurring loosening or obscission in strenuous vibration or while falling, equipment is made to break down.And require installation space compared with
Greatly, it is limited very much.
Second is to add screw or the externally threaded stud of both ends band to add nut using the tapped stud in both ends, such as:
Upper end is that internal screw thread lower end is two layers of pcb board of externally threaded Stud connection.The method will be used due to first installing any one end
Need the program that stud is fixed, thus installation is inconvenient, assembly efficiency is extremely low, need special tooling to be coupled, fix or
When taking down the screw or nut of the other end, connecting column may spin together, cause can not taking any more.
Therefore it needs to find a kind of easy for installation new for connecting the mode of support between multi-layer PCB board.
Meanwhile being also faced with another question, it may be assumed that with the development of technology, consumption electronic product requires increasingly exquisiteness,
Correspondingly, cube is wanted to be made smaller and smaller.However, forceful electric power product is due to national standard safety requirement, the electric equipment compartment between strong and weak electricity
Gap and creepage distance will meet the distance of 6.8mm, and the limitation for causing PCB to be laid out is very big, to the miniaturization of forceful electric power product, exquisiteness
Change increases sizable difficulty.
If consolidated to improve one of the problem of above two mode is brought using the preferable metallic screw of rigidity
Determine it is necessary to consider that forceful electric power device avoids the distance of screw 6.8, to meet safety requirement, so that PCB plate suqare utilization rate is very
It is low, it is difficult to product to be minimized, sophistication.
Summary of the invention
The purpose of the present invention is to solve current bolt structure connection multi-layer PCB board existing for connection it is unstable,
It the problem of after using metallic screw connection in order to make forceful electric power device evacuation metallic screw that pcb board utilization rate be caused to reduce, provides
Connection structure between a kind of pcb board.
In order to achieve the above object of the invention, the invention adopts the following technical scheme:
Connection structure between a kind of pcb board, including upper structural portion, flowering structure portion and interconnecting piece；Upper structural portion includes upper substrate
With upper connecting cylinder, upper connecting cylinder top is connected with upper substrate, and upper connecting cylinder is hollow to have the first cavity, the first cavity and interconnecting piece
Match, the first cavity bottom has upper connector, and the first cavity is connected to by upper connector with outside；Flowering structure portion includes lower base
Plate and lower connecting cylinder, lower connecting cylinder bottom and lower substrate are connected, and lower connecting cylinder is hollow to have the second cavity, set at the top of lower connecting cylinder
There is fixed plate, fixed plate is equipped with fixation hole, and fixation hole and interconnecting piece match；Second cavity bottom has the first lower connector,
The second lower connector is equipped on lower substrate with the first connector corresponding position, the second cavity top is connected to by fixation hole with outside,
Second cavity lower part is connected to by the first connector and the second connector with outside；Lower connection drum outer wall is equipped with several supporting ribs.
Preferably, be equipped with hollow protection cylinder at the top of the lower connecting cylinder, protection cylinder has a third cavity, third cavity with
Upper connecting cylinder matches.
Preferably, the third cavity and upper connecting cylinder lower part match.
Preferably, the supporting rib height is less than lower connecting cylinder height.
Preferably, the fixed plate thickness and pcb board thickness match.
Preferably, the protection cylinder inner wall is equipped at least one guide groove, and upper connection drum outer wall is equipped with to match with guide groove
Gib block；Or:
Upper connection drum outer wall is equipped at least one guide groove, and protection cylinder inner wall is equipped at least one and leads with what guide groove matched
To item.
Preferably, the upper connecting cylinder bottom is equipped with prominent outer wall and along the locking bar of bottom margin setting, protection cylinder bottom
Portion is equipped with the locking slot to match with locking bar.
Preferably, the upper connecting cylinder is equipped at least one through slot, and through slot penetrates through the side wall of upper connecting cylinder, the first chamber
Body is connected to by through slot with outside.
Preferably, the through slot is extended in the middle part of connecting cylinder by connecting cylinder bottom.
Preferably, the interconnecting piece passes through fixation hole and connect with connecting cylinder inner thread.
Compared with prior art, the present invention beneficial effect is:
1 by setting protection cylinder, increase so that forceful electric power device reach light current screw distance become larger, from another point of view may be used
To reduce forceful electric power device at a distance from upper the connecting cylinder namely connection structure, without as currently in order to avoiding light current screw to strong
The interference of electrical part and actively increase forceful electric power device at a distance from connection structure, avoid the waste of pcb board.
2 by setting locking bar and locking slot can make using the structure installed when difficulty reduction, can convenient for peace
Dress personnel's one-handed performance.
3 by being provided with the locking cap of locking rack, can be cooperatively connected portion in a manner of being clamped by upper structural portion and
Flowering structure portion links together, and can be avoided the existing fixed position discontinuous problem of clamping.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the structural schematic diagram of upper structural portion of the invention；
Fig. 3 is the structural schematic diagram in flowering structure portion of the invention；
Fig. 4 is the cross-sectional view in flowering structure portion of the invention；
Fig. 5 is the improvement structural schematic diagram in flowering structure portion of the invention；
Fig. 6 is a kind of attachment structure schematic diagram of upper connecting cylinder and protection cylinder of the invention；
Fig. 7 is another attachment structure schematic diagram of upper connecting cylinder and protection cylinder of the invention；
Fig. 8 is the structure chart of upper connecting cylinder of the invention；
Fig. 9 is the attachment structure schematic diagram of locking cap and supporting rib of the invention.
In figure: structural portion on 1,2 flowering structure portions, 3 interconnecting pieces, 4 upper substrates, connecting cylinder on 5,6 first cavitys connect on 7
Mouthful, 8 lower substrates, 9 lower connecting cylinders, 10 second cavitys, 11 fixed plates, 12 fixation holes, 13 first lower connectors, 14 second lower connections
Mouthful, 15 supporting ribs, 16 protection cylinders, 17 third cavitys, 18 guide grooves, 19 gib blocks, 20 locking bars, 21 locking slots, 22 perforations
Slot, 23 locking caps, 24 locking racks, 25PCB plate.
Specific embodiment
Below by specific embodiment the technical scheme of the present invention will be further described explanation.
If raw material employed in the embodiment of the present invention is raw material commonly used in the art without specified otherwise, implement
Method employed in example, is the conventional method of this field, and used structure is the conventional structure of this field.
Embodiment 1:
Connection structure between a kind of pcb board, for multi-layer PCB board to be attached fixation, specifically, as shown in Fig. 1, it should
Structure includes upper structural portion 1, flowering structure portion 2 and interconnecting piece 3.By by upper structural portion 1 and flowering structure portion 2 respectively with two PCB
Plate cooperation, and connected the two using interconnecting piece 3, to achieve the purpose that for two layers of pcb board to be attached fixed.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, shown, upper structural portion 1 includes upper substrate 4 and upper connecting cylinder 5, upper connecting cylinder 5
Top and upper substrate 4 are connected, and the two becomes one structure.Pcb board of the upper substrate 4 for fixed top, upper connecting cylinder 5 be used for
Interconnecting piece 3 is attached.
Upper connecting cylinder 5 is hollow to have the first cavity 6, and the first cavity 6 matches with interconnecting piece 3, and the first cavity 6 is for connecting
Socket part 3 is connect with upper structural portion 1.
Therefore, there is upper connector 7 in 6 bottom of the first cavity.First cavity 6 is connected to by upper connector 7 with outside；This
Sample is entered in the first cavity 6 from the bottom to top by upper connector 7 convenient for interconnecting piece 3, so as to interconnecting piece 3 further with upper structural portion
1 is connected and fixed.
About the top of the first cavity 6, through-hole can will be opened up in upper substrate 4 and 6 corresponding position of the first cavity, to make
The top of one cavity 6 is also in communication with the outside.
As shown in figures 1 and 3, flowering structure portion 2 includes lower substrate 8 and lower connecting cylinder 9.Lower substrate 8 is for fixed lower section
Pcb board, lower connecting cylinder 9 with interconnecting piece 3 for connecting, thus be further connected as one flowering structure portion 2 and upper structural portion 1,
Achieve the purpose that for upper layer and lower layer pcb board to be attached.
Lower 9 bottom of connecting cylinder and lower substrate 8 are connected, and the two is formed as an entirety.
Specifically, lower connecting cylinder 9 is hollow to have the second cavity 10, the second wall 10 for interconnecting piece pass through in order to
Connecting cylinder 5 is attached.
It is equipped with fixed plate 11 at the top of lower connecting cylinder 9, fixation hole 12, fixation hole 12 and interconnecting piece 3 are provided in fixed plate 11
Match, 10 top of the second cavity is connected to by fixation hole 12 with outside.
Fixed plate 11 is for flowering structure portion 2 and upper structural portion 1 to be attached combination, convenient for passing through interconnecting piece 3 for two
Person is connected as one, and is connected as one by the two, so that it may the pcb board on the upper layer for carrying the two respectively and the PCB of lower layer
Plate is connected as one, and achievees the purpose that for two layers of pcb board to be attached fixed.
Fixation hole 12 is passed through for interconnecting piece 3, is then connect with the upper connecting cylinder 5 of top, and fixed plate 1 is in order to right
Interconnecting piece 3 forms support and carrying, so that upper structural portion 1 and flowering structure portion 2 to be connected as one.11 thickness of fixed plate with
Pcb board thickness matches.It, can be in order to fixed plate 11 be set to PCB when the thickness of thickness and PCB that fixed plate 11 is arranged matches
Plate is in the state of coincideing, that is to say, that PCB plate and fixed plate 11 is set on same plane, it so after tightening, can be with
So that the stress of fixed plate 11 is integrated with pcb board, stability is improved.
It is necessary that 10 bottom of the second cavity has the first lower connector 13, that is, 9 bottom of connecting cylinder is descended to be equipped with first second line of a couplet
Interface 13, is equipped with the second lower connector 14 on lower substrate 8 with the first lower 13 corresponding position of connector, and 10 lower part of the second cavity passes through the
Once connector 13 and the second lower connector 14 are connected to external, after lower substrate 8 and lower connecting cylinder 9 are connected as one, first
Lower connector 13 and the second lower connector 14 form an opening.
Interconnecting piece 3 can sequentially pass through the lower connector 13 of the second lower connector 14, first and enter in the second cavity 10,
Then the top of interconnecting piece 3 is then passed through fixation hole 12 and enters in the first cavity 6, enters the first chamber on the top of interconnecting piece 3
After in body 6, the top of interconnecting piece 3 is attached using various ways.
Specifically connection type includes:
(1) it is threadedly coupled, i.e., the top of interconnecting piece 3 is equipped with screw thread, and the inner wall of the first cavity 6 is equipped with upper with interconnecting piece 3
The helicitic texture that portion matches.
(2) it is clamped, 3 top of interconnecting piece is equipped with clamping structure, and clamping corresponding with clamping structure is equipped in the first cavity 6 and is matched
Structure is closed, after entering on the top of interconnecting piece 3 in first cavity 6, by interconnecting piece 3 and upper structure by way of clamping
Portion 1 connects.
(3) other connection types.
When using being threadedly coupled, there is continuous fixed journey system, that is to say, that threaded connection can be according to actual needs
The elastic of connection is adjusted, thus according in practice cannot the difference of thickness specification of pcb board be adjusted.
When using clamping, just there is certain limitation in terms of the adjustment of connection, so that connection can not flexibly be set
It sets.Since the structure of clamping must will cause during connecting elastic, there are certain interruptions, can not be as being threadedly coupled
It is like that a gradual process by pine to muscle, but the interruption process of a jump.Therefore, clamping will lead to connection can not
It is perfect.When using snap fit, need to solve the problems, such as this.
Lower 9 outer wall of connecting cylinder is equipped with several supporting ribs 15, and supporting rib 15 is the pcb board for being used to support lower section, in order to logical
It crosses flowering structure portion and the pcb board of lower layer is supported fixation.In practice, supporting rib 15 is set as 4,6 or 8.
15 height of supporting rib is less than lower 9 height of connecting cylinder, when 15 height of supporting rib is less than the height of connecting cylinder,
Fixation preferably can be formed to pcb board.
In this way, the pcb board of lower layer can be placed in the top of supporting rib 15 when connecting between carrying out plate, pass through branch
Pcb board is stuck in flowering structure portion 2 by support muscle 15, to reach the connection between the pcb board on upper layer.
Further refinement improves, as shown in figure 5, being specifically to be equipped with hollow protection cylinder at the top of the lower connecting cylinder 9
16, protection cylinder 16 has third cavity 17, and third cavity 17 and upper connecting cylinder 5 match.
The third cavity 17 matches with upper 5 lower part of connecting cylinder, and third cavity 17 is used to carry the upper company of structural portion 1
Connect cylinder 5.
In setting protection cylinder 16 and after third cavity 17 is arranged, during the connection process, upper connecting cylinder 5 is firstly inserted into the
It in three cavitys 17, is then fixed again, since protection cylinder 16 and lower connecting cylinder 9 form an entirety, then protection cylinder 16
Two sides space upper connecting cylinder 5 be inserted into protection cylinder 16 after, just will form one isolation space, even if due to protection cylinder 16 with
There is fit clearance between upper connecting cylinder 5, still, after protection cylinder 16 are inserted into the lower part of upper connecting cylinder 5, the first cavity 6 and the external world
Communication path be clearance space between protection cylinder 16 and upper connecting cylinder 5, which increases with the height that protection cylinder 16 is arranged
Add and increases.Such structure makes when interconnecting piece 3 is metal material, which will not produce external electronic component
Raw interference and other influences.And when not set protection cylinder 16, the first cavity 6 and the only upper connecting cylinder 5 of extraneous communication path
Bottom and lower connecting cylinder 9 top, that is, be the space between the fixed plate at 9 top of lower connecting cylinder.Comparison it is found that on
The gap that the path spacing at 9 top of connecting cylinder 5 and lower connecting cylinder is far smaller than between the side wall and protection cylinder 16 of upper connecting cylinder 5 is empty
Between.
The increase for increasing the first cavity 6 with external communication path by setting protection cylinder 16, allows in third cavity 17
Metal component on pcb board electric elements generate influence it is very little.It is such as a result, be exactly carried out to pcb board
When connection, without the density of setting for considering pcb board connecting hole side electric elements.Compared with prior art, due to not having to consider
The hardness of metal device in first cavity 6 to external electric elements.Also the setting for allowing for electric elements does not have to and connecting hole
Between reserve excessive gap, improve the utilization rate of PCB plate.
Specific in actual use, not being forceful electric power device outside upper connecting cylinder 5, interconnecting piece 3 is the components such as light current screw, at present
Structure in, forceful electric power device reach light current screw electric clearance and creepage distance path distance be forceful electric power device and upper connecting cylinder
Distance, the sum of two distances of width distance of upper connecting cylinder bottom.And the structure in the present embodiment increases this distance
Protection cylinder, so that electric clearance and creepage distance path distance that forceful electric power device reaches light current screw are on the basis of the original again
In addition the height of protection cylinder.In this way due to the increase of distance, so that it may reduce the spacing of forceful electric power device Yu upper connecting cylinder 5.To
Improve the utilization rate of PCB.
Embodiment 2:
It is further improved on the basis of embodiment 1.
Specific position of improving is protection cylinder, as shown in fig. 6, improving as follows:
It is equipped at least one guide groove 18 in 16 inner wall of protection cylinder, upper 5 outer wall of connecting cylinder is equipped with and 18 phase of guide groove
The guiding tooth or gib block 19 matched；Or:
Upper 5 outer wall of connecting cylinder is equipped at least one guide groove 18, and 16 inner wall of protection cylinder is equipped at least one and guide groove 18
The guiding tooth or gib block 19 of matching.
Guiding tooth is the shortening version of gib block 19, that is to say, that guiding tooth is very short one that length only has gib block 19
Point.
Such structure makes connecting cylinder 5 and protection cylinder 16 carry out single cooperation, is inserted by upper connecting cylinder 5
After in protection cylinder 16, only one fit system of the two, this is because the cooperation of guide groove 18 and guiding tooth or gib block 19
So that the two can only up and down adjustment, without be able to rotate adjust.
Certainly, above-mentioned that be based on protection cylinder be is arc-shaped, has columnar third cavity, the outer wall of upper connecting cylinder 5 is
Cylindrical outer wall.
Another set-up mode is the outer wall section of upper connecting cylinder 5 to be arranged to triangle, square or other are non-circular
Shape, and protection cylinder 16 is arranged to the shape cooperated with upper connecting cylinder 5 simultaneously, it may dispense with setting 18 He of guide groove in this way
The structure of gib block 19.It is equally reached the setting to upper connecting cylinder 5 and protection cylinder 16.
Embodiment 3:
Based on the structure of embodiment 2, a kind of improved embodiment is: the outer wall of upper connecting cylinder 5 is triangle, rectangular
Or other non-circular shapes, the inner wall in protection cylinder 16 is the shape matched with upper connecting cylinder 5, by upper connecting cylinder 5 with it is anti-
The cooperation of casing 16 is so that the two structure is stronger.
Embodiment 4:
Further improvement is made in the structure basis of embodiment 1 or embodiment 2, specific embodiment is as follows:
As shown in Figure 7 and Figure 8, the locking for being equipped with prominent outer wall in upper 5 bottom of connecting cylinder and being arranged along bottom margin
Item 20,16 bottom of protection cylinder are equipped with the locking slot 21 to match with locking bar 20.
Locking bar 20 is only set to a part of 5 bottom of connecting cylinder, while in order to lock item 20 and locking slot
21 structure, there is provision of and cooperated with flowering structure:
It is equipped at least one through slot 22 in the upper connecting cylinder 5, through slot 22 penetrates through inside and outside the side wall of upper connecting cylinder 5,
First cavity 6 is connected to by through slot 22 with outside.By the way that through slot 22 is arranged, connecting cylinder 5 can be made to have centainly
Shrink space.When upper connecting cylinder 5 is inserted into protection cylinder, due to the prominent outer wall of locking bar 20, locking bar 20 certainly will surpass
The internal diameter of protection cylinder out enables locking bar 20 right at this point, upper connecting cylinder 5 will be shunk due to the presence of through slot 22
Protection cylinder 16 is passed through up to lower.When locking bar 20 reaches 16 bottom of protection cylinder, due to the presence of locking slot 21, locking bar and lock
Tight slot 21 cooperates, and forms locking, connecting cylinder 5 is avoided to separate under slight external force with protection cylinder 16.
The flexibility of installation can be improved in such structure, even if due to the inversion in direction, as long as upper connecting cylinder 5 is inserted into
After in protection cylinder 16, it will be able to reach a preliminary connection structure, thus reduce the operation difficulty for releasing setter, just
In installation personnel one-handed performance.Improve installation effectiveness.
Through slot 22 extended in the middle part of connecting cylinder by connecting cylinder bottom can achieve the purpose that it is above-mentioned.Finally, will connection
Portion 3 passes through fixation hole 12 and connect with connecting cylinder inner thread.
The setting of locking bar 20 and locking slot 22 is equally applicable to the upper structural portion 1 of clamping structure and the company in flowering structure portion 2
Connect mode.
Embodiment 5:
When using clamping structure, as shown in figure 9, there is following improvement:
It will be set as taper at the top of supporting rib 15, which reaches the structure of monodentate, and sets at the top of supporting rib 15
Locking cap 23 is set, locking cap 23 is arranged around lower connecting cylinder 9, and locking cap 23 has the locking teeth with 15 cooperating number of supporting rib
Item 24, locking rack 24 is around the setting of lower connecting cylinder 9 interval, and the tooth on each locking rack 24 descends 9 spiral shell of connecting cylinder relatively
Rotation setting, that is to say, that tooth on locking rack 24 has with respect to the top of locking cap 23 with short, and is along circular lower company
Connect cylinder 9 gradually shortens, be embodied in particularly be exactly tooth position gradually rise and locking rack 24 be anti-pawl, locking rack
The taper at 24 15 top of space width and supporting rib matches.
It is clearance fit between locking cap 23 and upper connecting cylinder, locking cap 23 can be 9 turns independently of lower connecting cylinder
It is dynamic.
The outer wall of locking cap 23 is equipped with the structure for turn locking cap 23, such as: it is set as tetrahedron, hexahedron, so as to
It is rotated in locking cap 23.
In practice, after using clamping, perfect cooperation can not be reached, it then can be so that lock by rotation locking cap 23
Locking rack 24 and supporting rib 15 on tight cap 23 reach cannot cooperation, since locking rack 24 is helical structure, so can
To pass through rotation locking cap, so that it may reach on locking rack 24 cannot height tooth and supporting rib 15 cooperate, and then reach by
Upper structure not 1 and flowering structure portion 2 connection cooperation purpose.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. connection structure between a kind of pcb board, including loading the upper structural portion (1) of upper layer pcb board, loading the lower knot of lower layer's pcb board
Structure portion (2) and the interconnecting piece (3) for being attached upper structural portion (1) and flowering structure portion (2)；It is characterized in that, upper structural portion (1)
Including upper substrate (4) and upper connecting cylinder (5), it is connected at the top of upper connecting cylinder (5) with upper substrate (4), upper connecting cylinder (5) is hollow to be had
First cavity (6), the first cavity (6) and interconnecting piece (3) match, and the first cavity (6) bottom has upper connector (7), the first chamber
Body (6) is connected to by upper connector (7) with outside；Flowering structure portion (2) includes lower substrate (8) and lower connecting cylinder (9), lower connecting cylinder
(9) bottom and lower substrate (8) are connected, and lower connecting cylinder (9) outer wall is equipped with several supporting ribs (15) for being used to carry lower layer's pcb board,
Lower connecting cylinder (9) is hollow to be had the second cavity (10), is equipped with fixed plate (11) at the top of lower connecting cylinder (9), and fixed plate is set on (11)
Have fixation hole (12), fixation hole (12) and interconnecting piece (3) match；Second cavity (10) bottom has first lower connector (13),
Second lower connector (14) are equipped on lower substrate (8) with the first connector corresponding position, the second cavity (10) top passes through fixation hole
(12) it is connected to outside, the second cavity (10) lower part is connected to by the first connector and the second connector with outside.
2. connection structure between a kind of pcb board according to claim 1, which is characterized in that set at the top of the lower connecting cylinder (9)
Have hollow protection cylinder (16), protection cylinder (16) has third cavity (17), and third cavity (17) and upper connecting cylinder (5) match.
3. connection structure between a kind of pcb board according to claim 2, which is characterized in that the third cavity (17) with it is upper
Connecting cylinder (5) lower part matches.
4. connection structure between a kind of pcb board according to claim 1 or 2 or 3, which is characterized in that the supporting rib (15)
Height is less than lower connecting cylinder (9) height.
5. connection structure between a kind of pcb board according to claim 1 or 2 or 3, which is characterized in that the fixed plate (11)
Thickness and pcb board thickness match.
6. connection structure between a kind of pcb board according to claim 2, which is characterized in that protection cylinder (16) inner wall is set
There is at least one guide groove (18), upper connecting cylinder (5) outer wall is equipped with the gib block (19) to match with guide groove (18)；Or:
Upper connecting cylinder (5) outer wall is equipped at least one guide groove (18), and protection cylinder (16) inner wall is equipped at least one and guide groove
(18) gib block (19) to match.
7. connection structure between a kind of pcb board according to claim 2 or 6, which is characterized in that upper connecting cylinder (5) bottom
Portion is equipped with prominent outer wall and along the locking bar (20) of bottom margin setting, and protection cylinder (16) bottom is equipped with to match with locking bar (20)
Locking slot (21).
8. connection structure between a kind of pcb board according to claim 7, which is characterized in that the upper connecting cylinder (5) is equipped with extremely
A few through slot (22), the side wall of the upper connecting cylinder (5) of through slot (22) perforation, the first cavity (6) pass through through slot (22) and
Outside connection.
9. connection structure between a kind of pcb board according to claim 8, which is characterized in that the through slot (22) is by connecting
Cylinder bottom extends in the middle part of connecting cylinder.
10. connection structure between a kind of pcb board according to claim 1, which is characterized in that the interconnecting piece (3) passes through solid
Determine hole (12) to connect with connecting cylinder inner thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828059.8A CN109089376A (en) | 2018-07-25 | 2018-07-25 | Connection structure between a kind of pcb board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810828059.8A CN109089376A (en) | 2018-07-25 | 2018-07-25 | Connection structure between a kind of pcb board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109089376A true CN109089376A (en) | 2018-12-25 |
Family
ID=64838612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810828059.8A Pending CN109089376A (en) | 2018-07-25 | 2018-07-25 | Connection structure between a kind of pcb board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109089376A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062525A (en) * | 2019-03-28 | 2019-07-26 | 华为技术有限公司 | A kind of fastening terminal, printed circuit board and power supply |
-
2018
- 2018-07-25 CN CN201810828059.8A patent/CN109089376A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110062525A (en) * | 2019-03-28 | 2019-07-26 | 华为技术有限公司 | A kind of fastening terminal, printed circuit board and power supply |
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