CN208210419U - A kind of double layer printed circuit plate for earthing screen device - Google Patents
A kind of double layer printed circuit plate for earthing screen device Download PDFInfo
- Publication number
- CN208210419U CN208210419U CN201820594909.8U CN201820594909U CN208210419U CN 208210419 U CN208210419 U CN 208210419U CN 201820594909 U CN201820594909 U CN 201820594909U CN 208210419 U CN208210419 U CN 208210419U
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- China
- Prior art keywords
- printed circuit
- circuit board
- layer printed
- mounting
- double layer
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Abstract
The utility model discloses a kind of double layer printed circuit plates for earthing screen device, comprising: upper layer printed circuit board is provided with erecting bed on the printed circuit board of upper layer, is provided with mounting hole on erecting bed；Lower layer's printed circuit board is provided with jack in the mounting base of upper layer printed circuit board side, mounting base on lower layer's printed circuit board；And a part is installed on the connecting element that in mounting hole, another part protrudes from the end face of close mounting base side on the printed circuit board of upper layer.When installing double layer printed circuit plate, pass through the connecting element being arranged on erecting bed and the jack grafting being arranged in mounting base, to which erecting bed and mounting base be locked, upper layer printed circuit board and lower layer's printed circuit board are locked in turn, is dismounted easily so that the double layer printed circuit plate has, disassembly efficiency height, repairs convenient and fast advantage.
Description
Technical field
The utility model relates to printed circuit board technology field more particularly to a kind of bilayer prints for earthing screen device
Circuit board processed.
Background technique
Printed circuit board, also known as printed circuit board are the suppliers of electronic component electrical connection.In large scale electronic equipment
Used in printed circuit board, in order to reduce circuit board installation space, set double-layer structure for circuit board.
Existing notification number is that the Chinese utility model patent of CN205082044U discloses a kind of sealing double-layer PCB board
Earthing screen device, although being able to solve, shield effectiveness between double-layer PCB board is poor, the weak problem of anti-interference ability.
But connected between double-layer circuit board by multiple screws, the double layer printed circuit plate being arranged in this way is dismounting
When need to back out screw one by one by tools such as screwdrivers, lead to that disassembly process is cumbersome, disassembly efficiency is low, maintenance trouble, because
This has much room for improvement.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of for earthing screen device
Double layer printed circuit plate has and is dismounted easily, disassembly efficiency height, repairs convenient and fast advantage.
The above-mentioned purpose of the utility model has the technical scheme that a kind of for earthing screen device
Double layer printed circuit plate, comprising: upper layer printed circuit board is provided with erecting bed, the peace on the upper layer printed circuit board
Mounting hole is provided on dress platform；Lower layer's printed circuit board, close to the upper layer printed circuit board on lower layer's printed circuit board
The mounting base of side is provided with jack in the mounting base；And a part is installed in the mounting hole, another part
Protrude from the upper layer printed circuit board close to the mounting base side end face, for the grafting with the jack grafting
Component.
Pass through the grafting being arranged on erecting bed when installing double layer printed circuit plate by using above-mentioned technical proposal
Component and the jack grafting being arranged in mounting base, so that erecting bed and mounting base be locked, and then by upper layer printed circuit board
It is locked with lower layer's printed circuit board, avoids and assemble double layer printed circuit plate using multiple screws, needed in dismounting by spiral shell
The silk tools such as knife back out screw one by one, lead to that disassembly process is cumbersome, disassembly efficiency is low, troublesome problem are repaired, so that this pair
Layer printed circuit board, which has, to be dismounted easily, disassembly efficiency height, repairs convenient and fast advantage.
Further: the jack is stepped hole, and the aperture radial dimension of the stepped hole is less than the radial dimension of bottom hole,
The connecting element includes: inserting column, and the mounting base side is provided with mounting groove on the inserting column；Wedge block, institute
It states wedge block slidingtype to be installed in the mounting groove, the wedge block with the cascaded surface of the stepped hole for abutting with by institute
Inserting column is stated to be clamped in the stepped hole；Elastic component, described elastic component one end is fixedly connected with the wedge block, the other end with
The slot bottom fixing assembling of the mounting groove, the elastic component are used to provide restoring force for the reset of the wedge block；And rotation
Button, the knob are socketed on the inserting column and can rotate relative to the inserting column, and the knob is used for the wedge shape
Block is locked in the mounting groove or solution locking.
By using above-mentioned technical proposal, when connecting element and jack cooperate, first checks inserting column and guarantee wedge block
It is screwed in the mounting groove being locked on inserting column, then presses inserting column into jack, when inserting column reaches installation site
When, knob is rotated, so that knob is rotated relative to inserting column, is determined to be unlocked to the wedge block being locked in mounting groove,
Wedge block after unlocking, it is mobile to the notch side of mounting groove under the driving for the power that elastic component provides, so that wedge block
It is abutted with the cascaded surface of stepped groove, to inserting column is locked in jack, the connected structure being arranged in this way, it is only necessary to install
Shi Xuanzhuan knob can be realized as the cooperation of inserting column and jack, ensure that the convenience of connected structure dismounting.
Further: the inner wall of the hole installing, which protrudes above, is provided with mounting blocks, and the inserting column includes: cylinder, the column
Body is cylindric；Mounting ear, the mounting ear protrusion are set on the cylinder, and the mounting ear is used for packaged with the installation
Match, is provided with circular hole on the mounting ear；And the fastening bolt across the circular hole and mounting blocks assembly.
Cylinder is removably mounted in fixing seat by fastening bolt by using above-mentioned technical proposal, is facilitated
Since there are the replacements after different degrees of abrasion by multiple grafting for cylinder, solve after cylinder is integrally formed with mounting base more
Change cumbersome, the high problem of replacement cost reduces maintenance cost.
Further: the mounting base side being provided with chamfering on the cylinder.
By using above-mentioned technical proposal, chamfering is set on cylinder, cylinder is relatively easily filled with jack
Match, to ensure that the convenience of cylinder grafting.
Further: the knob includes: socket part, and the socket part is socketed on the cylinder, on the socket part
Combination slot is offered, the combination slot is used to accommodate for the mounting ear, far from the side of the mounting base on the combination slot
It is provided with extension, the extension is along the circumferentially extending of the socket part, and the extension is when rotating socket part, for described
The activity of mounting ear；And swivel head, the swivel head and the socket part are integrally formed, the swivel head is for rotating
It exerts a force when socket part for user.
By using above-mentioned technical proposal, in knob, when extension side separate on mounting ear and holding tank
When side wall is bonded, wedge block unlocks and in the combination slot that is accommodated on socket part, so that wedge block protrusion mounting groove and rank
The cascaded surface in terraced hole cooperates, and controller ontology is mounted on mounting rack；When the side of extension side on mounting ear and combination slot
When being bonded on wall, wedge block is squeezed and is locked in mounting groove into mounting groove by socket part, so that wedge block and stepped hole
Cascaded surface separation, controller ontology is separated with mounting rack.
Further: the elastic component is spring, bullet block or elastic slice.
By using above-mentioned technical proposal, user can select different elastic components according to different needs, to guarantee
The diversity of elastic component selection.
Further: double layer printed circuit plate further include: be set on lower layer's printed circuit board, for described
The locating piece that the relative position of layer printed circuit board and lower layer's printed circuit board is positioned.
The locating piece of setting is first passed through, to upper layer when installing double layer printed circuit plate by using above-mentioned technical proposal
The relative position of circuit board and lower circuit plate is positioned, so that erecting bed is easier to be aligned with mounting base, to improve
The convenience of circuit installation.
Further: location hole is provided on the upper layer printed circuit board, the locating piece is to fill with the location hole
Ladder column matching, for being assembled with the location hole.
By using above-mentioned technical proposal, when ladder column is positioned, can be printed by the cascaded surface of ladder column and upper layer
The lower end surface of circuit board processed abuts, so that ladder column can play support between upper layer printed circuit board and lower layer's printed circuit board
Effect, to ensure that the stability and fastness after installing between double layer printed circuit plate.
In conclusion the utility model has the following beneficial effects:
1, by the connecting element being arranged on erecting bed and the jack grafting being arranged in mounting base, thus by erecting bed
It is locked with mounting base, and then upper layer printed circuit board and lower layer's printed circuit board is locked, so that the double layer printed circuit plate has
It is dismounted easily, disassembly efficiency is high, the convenient and fast advantage of maintenance；
2, it can be abutted by the cascaded surface of ladder column with the lower end surface of upper layer printed circuit board, so that ladder column can be on upper layer
It plays a supporting role between printed circuit board and lower layer's printed circuit board, to ensure that between double layer printed circuit plate after installation
Stability and fastness.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the double layer printed circuit plate of the utility model embodiment；
Fig. 2 is the cross-sectional view of the double layer printed circuit plate along cutting line A-A cutting of the utility model embodiment；
Fig. 3 is the enlarged drawing of details B in Fig. 2；
Fig. 4 is the explosive view of the double layer printed circuit plate of the utility model embodiment；
Fig. 5 is the structural schematic diagram of connecting element in the double layer printed circuit plate of the utility model embodiment；
Fig. 6 is the structural schematic diagram of positioning column in the double layer printed circuit plate of the utility model embodiment.
Appended drawing reference: 1, upper layer printed circuit board；11, erecting bed；111, mounting hole；112, mounting blocks；2, lower layer prints
Circuit board；21, mounting base；211, jack；212, buffer board；213, second spring；3, connecting element；31, inserting column；311, column
Body；312, mounting ear；313, fastening bolt；32, wedge block；33, elastic component；34, knob；341, socket part；342, swivel head；
343, combination slot；4, locating piece；41, ladder column；42, rubber ring；43, annular slab；44, third spring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification made to the present embodiment and do not create contribution after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
The present embodiment is related to a kind of double layer printed circuit plate for earthing screen device, as shown in Figure 1, 2, comprising: on
Layer printed circuit board 1, lower layer's printed circuit board 2, connecting element 3 and locating piece 4.
As shown in Fig. 1,2,6, it is provided with erecting bed 11 on upper layer printed circuit board 1, is provided with mounting hole on erecting bed 11
111.Jack is provided in the mounting base 21 of 1 side of upper layer printed circuit board, mounting base 21 on lower layer's printed circuit board 2
211.3 a part of connecting element is installed in mounting hole 111, and another part protrudes from upper layer printed circuit board 1 close to installation
The end face of 21 sides of seat, connecting element 3 are used for and 211 grafting of jack.Locating piece 4 is set on lower circuit plate, and locating piece 4 is used
It is positioned in upper layer printed circuit board 1 and the relative position of lower layer printed circuit board 2.In the present embodiment, in order to guarantee
Stability between double layer printed circuit plate is provided with location hole on upper layer printed circuit board 1, and locating piece 4 is and location hole fills
Ladder column 41 match, for being assembled with location hole.Part on ladder column 41 with stepped hole grafting is fixedly installed with rubber ring
42, annular slab 43 is provided on the cascaded surface of ladder column 41, is provided with third between annular slab 43 and the cascaded surface of ladder column 41
Spring 44.44 one end of third spring and 43 fixing assembling of annular slab, the other end and cascaded surface fixing assembling.
As shown in Figure 1, 2, 3, jack 211 is stepped hole, and the aperture radial dimension of stepped hole is less than the radial dimension of bottom hole,
Connecting element 3 includes: inserting column 31, wedge block 32, elastic component 33 and knob 34.In the present embodiment, setting in stepped hole
There is buffer board 212, second spring 213,213 one end of second spring and buffer board are provided between buffer board 212 and stepped hole bottom
212 are fixedly connected, the other end is fixedly connected with stepped hole bottom hole, and second spring 213 is used to provide cushion effect for buffer board 212.
As shown in Figure 4,5,21 side of mounting base is provided with mounting groove, the installation of 32 slidingtype of wedge block on inserting column 31
In in mounting groove, wedge block 32 with the cascaded surface of stepped hole for abutting so that inserting column 31 to be clamped in stepped hole.Elastic component
33 one end are fixedly connected with wedge block 32, the slot bottom fixing assembling of the other end and mounting groove, and elastic component 33 is used to be wedge block 32
Reset provide restoring force, elastic component 33 be the first spring, bullet block or elastic slice.In the present embodiment, elastic component 33 is first
Spring, in other embodiments, elastic component 33 are bullet block or elastic slice.Knob 34 is socketed on inserting column 31 and can be relative to slotting
It connects column 31 to relatively rotate, knob 34 is for being locked in mounting groove or solving locking by wedge block 32.
As shown in Figure 4,5,111 inner wall of mounting hole, which protrudes above, is provided with mounting blocks 112, inserting column 31 include: cylinder 311,
Mounting ear 312 and fastening bolt 313.Cylinder 311 be it is cylindric, mounting ear 312 protrusion is set on cylinder 311, mounting ear
312, for assembling with mounting blocks 112, are provided with circular hole on mounting ear 312.It is assembled across circular hole and mounting blocks 112, being used for will
Mounting ear 312 and mounting blocks 112(it is as shown in Figure 3) on fastening bolt 313.In the present embodiment, in order to enable 311 energy of cylinder
It is enough relatively easily to be assembled with jack 211, to guarantee the convenience of 311 grafting of cylinder, close to mounting base 21 on cylinder 311
Side is provided with chamfering.Mounting ear 312 and cylinder 311 are integrally formed or welding fabrication, mounting blocks 112 and 11 one of erecting bed at
Type or welding fabrication, fastening bolt 313 can also be using the substitutions such as rivet, bolt.
As shown in Figure 4,5, knob 34 includes: socket part 341 and swivel head 342.Socket part 341 is socketed in cylinder 311
On, combination slot 343 is offered on socket part 341, combination slot 343 is used to accommodate for mounting ear 312, far from peace on combination slot 343
The side shelved is provided with extension, and extension is along the circumferentially extending of socket part 341, and extension is when rotating socket part 341, confession
The activity of mounting ear 312.Swivel head 342 and socket part 341 are integrally formed, and swivel head 342 when rotating socket part 341 for supplying
User's force.In the present embodiment, socket part 341 is made of rigid plastics, and swivel head 342 and socket part 341 are integrally formed.
In other embodiments, socket part 341 is made of metal material, and swivel head 342 is integrally formed or is welded into socket part 341
Type.
The use principle of the present embodiment is approximately as stating: when installing double layer printed circuit plate, first pass through ladder column 41 with
Location hole assembly, positions upper layer printed circuit board 1 and lower layer printed circuit board 2, and re-inspection inserting column 31 simultaneously guarantees wedge
Shape block 32 is screwed in the mounting groove that 34 are locked on inserting column 31, is then pressed inserting column 31 into jack 211, is worked as grafting
When column 31 reaches installation site, knob 34 is rotated, so that knob 34 is rotated relative to inserting column 31, thus to mounting groove is locked in
It is fixed that interior wedge block 32 is unlocked, the wedge block 32 after unlocking, to installation under the driving for the power that elastic component 33 provides
The notch side of slot is mobile, so that wedge block 32 is abutted with the cascaded surface of stepped groove, so that inserting column 31 is locked in jack 211
Connected structure that is interior, being arranged in this way, it is only necessary to which rotating knob 34 during installation can be realized as matching for inserting column 31 and jack 211
It closes, ensure that the convenience of double layer printed circuit plate dismounting.
Claims (8)
1. a kind of double layer printed circuit plate for earthing screen device characterized by comprising
Upper layer printed circuit board (1) is provided with erecting bed (11) on the upper layer printed circuit board (1), the erecting bed (11)
On be provided with mounting hole (111)；
Lower layer's printed circuit board (2), close to upper layer printed circuit board (1) side on lower layer's printed circuit board (2)
Mounting base (21) is provided with jack (211) on the mounting base (21)；And
A part be installed in the mounting hole (111), another part protrude from it is close on the upper layer printed circuit board (1)
The end face of mounting base (21) side, for connecting element (3) with the jack (211) grafting.
2. the double layer printed circuit plate according to claim 1 for earthing screen device, which is characterized in that
The jack (211) is stepped hole, and the aperture radial dimension of the stepped hole is less than the radial dimension of bottom hole, the grafting
Component (3) includes:
Inserting column (31) is provided with mounting groove close to the mounting base (21) side on the inserting column (31)；
Wedge block (32), wedge block (32) slidingtype are installed in the mounting groove, and the wedge block (32) is used for and institute
The cascaded surface for stating stepped hole is abutted so that the inserting column (31) to be clamped in the stepped hole；
Elastic component (33), described elastic component (33) one end is fixedly connected with the wedge block (32), the other end and the mounting groove
Slot bottom fixing assembling, the elastic component (33) is used to for the reset of the wedge block (32) provide restoring force；And
Knob (34), the knob (34) are socketed on the inserting column (31) and can rotate relative to the inserting column (31),
The knob (34) is used to be locked in the wedge block (32) in the mounting groove or solution locks.
3. the double layer printed circuit plate according to claim 2 for earthing screen device, which is characterized in that the installation
Hole (111) inner wall, which protrudes above, to be provided with mounting blocks (112), and the inserting column (31) includes:
Cylinder (311), the cylinder (311) are cylindric；
Mounting ear (312), mounting ear (312) protrusion are set on the cylinder (311), and the mounting ear (312) is used for
It is assembled with the mounting blocks (112), is provided with circular hole on the mounting ear (312)；And
Across the fastening bolt (313) of the circular hole and the mounting blocks (112) assembly.
4. the double layer printed circuit plate according to claim 3 for earthing screen device, which is characterized in that the cylinder
(311) mounting base (21) side is provided with chamfering on.
5. the double layer printed circuit plate according to claim 4 for earthing screen device, which is characterized in that the knob
(34) include:
Socket part (341), the socket part (341) are socketed on the cylinder (311), offer on the socket part (341)
Combination slot (343), the combination slot (343) is used to accommodate for the mounting ear (312), far from institute on the combination slot (343)
The side for stating mounting base (21) is provided with extension, circumferentially extending of the extension along the socket part (341), the extension
Portion is when rotating socket part (341), for the activity of the mounting ear (312)；And
Swivel head (342), the swivel head (342) and the socket part (341) are integrally formed, and the swivel head (342) is used for
It exerts a force when rotating socket part (341) for user.
6. the double layer printed circuit plate according to claim 5 for earthing screen device, which is characterized in that the elasticity
Part (33) is spring, bullet block or elastic slice.
7. the double layer printed circuit plate according to claim 1 to 6 for earthing screen device, feature exist
In double layer printed circuit plate further include: be set on lower layer's printed circuit board (2), for the upper layer printed circuit
The locating piece (4) that the relative position of plate (1) and lower layer's printed circuit board (2) is positioned.
8. the double layer printed circuit plate according to claim 7 for earthing screen device, which is characterized in that the upper layer
Location hole is provided on printed circuit board (1), the locating piece (4) is assembled with the location hole, is used for and the positioning
The ladder column (41) of hole assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594909.8U CN208210419U (en) | 2018-04-25 | 2018-04-25 | A kind of double layer printed circuit plate for earthing screen device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820594909.8U CN208210419U (en) | 2018-04-25 | 2018-04-25 | A kind of double layer printed circuit plate for earthing screen device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208210419U true CN208210419U (en) | 2018-12-07 |
Family
ID=64520846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820594909.8U Expired - Fee Related CN208210419U (en) | 2018-04-25 | 2018-04-25 | A kind of double layer printed circuit plate for earthing screen device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208210419U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750087A (en) * | 2022-03-21 | 2022-07-15 | 西安易朴通讯技术有限公司 | Positioning device |
| CN115003021A (en) * | 2022-06-13 | 2022-09-02 | 鹤山市众一电路有限公司 | Mixed-compression high-frequency double-layer circuit board with heat insulation structure |
-
2018
- 2018-04-25 CN CN201820594909.8U patent/CN208210419U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114750087A (en) * | 2022-03-21 | 2022-07-15 | 西安易朴通讯技术有限公司 | Positioning device |
| CN115003021A (en) * | 2022-06-13 | 2022-09-02 | 鹤山市众一电路有限公司 | Mixed-compression high-frequency double-layer circuit board with heat insulation structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181207 Termination date: 20210425 |