CN214101920U - Printed circuit board with contact surface for connecting antenna - Google Patents
Printed circuit board with contact surface for connecting antenna Download PDFInfo
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- CN214101920U CN214101920U CN202023351046.8U CN202023351046U CN214101920U CN 214101920 U CN214101920 U CN 214101920U CN 202023351046 U CN202023351046 U CN 202023351046U CN 214101920 U CN214101920 U CN 214101920U
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- printed circuit
- circuit board
- bolt
- sub
- fixing
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Abstract
The application discloses a printed circuit board with a contact surface for connecting an antenna, which relates to the technical field of printed circuit boards and improves the condition that the printed circuit board antenna is separated from a main printed circuit board, and comprises the main printed circuit board and a sub printed circuit board, wherein the sub printed circuit board is provided with the printed circuit board antenna, a plurality of supporting blocks are distributed on the main printed circuit board at intervals, one side of each supporting block, which is back to the main printed circuit board, is spliced with a fixed rod, the fixed rod penetrates through the sub printed circuit board and is spliced with the supporting block, one end of the fixed rod is fixedly connected with a limiting block, the limiting block is pressed on the sub printed circuit board, the supporting block is provided with a bolt for fixing the other end of the fixed rod, the bolt penetrates through the supporting block and the fixed rod, two ends of the bolt extend out of the supporting block, two ends of the bolt are sleeved with elastic fixing rings, and the fixing rings sleeved on the bolt are in a stretched state, the two fixing rings are arranged on the outer peripheral side of the supporting block.
Description
Technical Field
The present application relates to the field of printed circuit boards, and more particularly, to printed circuit boards with contact surfaces for connecting antennas.
Background
Printed circuit boards are widely used in various electronic devices, such as computers, televisions, telephones, mobile phones, and various control devices. When a signal is to be transmitted on the printed circuit board, the antenna is typically mounted on the printed circuit board.
Currently, a printed circuit board with a contact surface for connecting an antenna is disclosed in the patent publication No. CN201670059U, which includes a main printed circuit board of a tire pressure detecting system, a printed circuit board antenna disposed on the main printed circuit board, a printed circuit board fixed on the main printed circuit board by an antenna holder, and an antenna holder on which the printed circuit board antenna is disposed. The antenna bracket is fixedly arranged on the main printed circuit board, the printed circuit board is provided with a through hole, and the screw penetrates through the printed circuit board through the through hole to be in threaded connection with the antenna bracket, so that the printed circuit board is fixedly arranged on the main printed circuit board.
In view of the above-mentioned related art, the inventor believes that the main pcb is mounted in the tire, and when the tire rotates at a high speed, the main pcb, the antenna bracket and the pcb vibrate, and the screw loosens during the vibration, so that the pcb antenna may be separated from the main pcb.
SUMMERY OF THE UTILITY MODEL
To improve the situation that the printed circuit board antenna is separated from the main printed circuit board, the printed circuit board with the contact surface for connecting the antenna is provided.
The application provides a printed circuit board with be used for connecting antenna contact surface adopts following technical scheme:
the printed circuit board comprises a main printed circuit board and a sub printed circuit board, wherein a printed circuit board antenna is arranged on the sub printed circuit board, a plurality of supporting blocks are distributed on the main printed circuit board at intervals, a fixing rod is inserted into one side of the supporting blocks, which faces away from the main printed circuit board, and penetrates through the sub printed circuit board to be inserted into the supporting blocks, a limiting block is fixedly connected to one end of the fixing rod and abuts against the sub printed circuit board, a bolt used for fixing the other end of the fixing rod is arranged on the supporting blocks and penetrates through the supporting blocks and the fixing rods, two ends of the bolt extend out of the supporting blocks, elastic fixing rings are sleeved on two ends of the bolt, the fixing rings sleeved on the bolt are in a stretched state, and the two fixing rings are arranged on the outer peripheral sides of the supporting blocks.
By adopting the technical scheme, when the fixed rod passes through the sub-printed circuit board to be plugged with the main printed circuit board, the sub-printed circuit board is preliminarily connected with the main printed circuit board, then the bolt is inserted into the supporting block, so that the bolt can pass through the fixed rod and then penetrate out from the other side of the supporting block, at the moment, the limiting block is pressed on the sub-printed circuit board, so that the sub-printed circuit board is fixedly connected with the main printed circuit board, the two ends of the bolt are also sleeved with the fixing rings, and the fixing rings are in a spreading state when being sleeved on the bolt, so that the fixing rings cannot easily move on the bolt, when the fixing pipe is sleeved on the bolt and is abutted on the outer peripheral side of the supporting block, the position of the bolt is fixed, the bolt cannot move along the self axial direction, so that the sub-printed circuit board is stably installed on the main printed circuit board, when the main printed circuit board is installed on a tire, under the condition that the tire rotates at a high speed, when the main printed circuit board and the sub printed circuit board vibrate, the elasticity of the fixing ring cannot change due to the vibration, and therefore the condition that the printed circuit board antenna is separated from the main printed circuit board is improved.
Optionally, a first through hole for a pin to pass through is formed in the outer peripheral side of the fixing rod, a second through hole for the pin to pass through is formed in the supporting block, a positioning block is fixedly connected to the outer side of the fixing rod, a positioning groove is formed in the supporting block, and when the positioning block slides into the positioning groove, the first through hole and the second through hole are communicated with each other.
By adopting the technical scheme, when the fixed rod carries the positioning block to be inserted into the supporting block, the positioning block slides into the positioning groove, so that the position of the fixed rod inserted into the supporting block is determined, the first through hole and the second through hole are communicated with each other, and the bolt can accurately penetrate through the first through hole and the second through hole.
Optionally, the cross sections of the first through hole and the second through hole are the same, the cross section of the first through hole is polygonal, and the cross section of the plug pin is the same as that of the first through hole.
Through adopting above-mentioned technical scheme, behind the bolt insertion supporting shoe and the dead lever, because the cross section of first perforation and bolt is the same, so the bolt can not be along self circumferential direction to make the bolt can stably peg graft on the supporting shoe.
Optionally, the limiting block is fixedly connected with a spring, one end of the spring is abutted to the sub printed circuit board, and when the bolt penetrates through the fixing rod, the spring is in a compressed state.
Through adopting above-mentioned technical scheme, the stopper supports through the spring and presses on sub-printed circuit board, and when the stopper pressed the spring and made the spring compressed, first perforation just can perforate the intercommunication with the second, and when the bolt inserted dead lever and supporting shoe, the spring of compressed all had the reaction force to stopper and sub-printed circuit board, and the spring has the elasticity of ordering about stopper far away ion printed circuit board, and the stopper drives the dead lever and hugs closely on the bolt to make sub-printed circuit board firm the installation on main printed circuit board.
Optionally, the spring is sleeved on the fixing rod.
Through adopting above-mentioned technical scheme, when stopper compression spring down, the spring is because cup joint on the dead lever, and the dead lever can guide the spring to warp along the axial direction of self.
Through adopting above-mentioned technical scheme, when can making the bolt peg graft in first perforation and second perforation through polygonal structure, the bolt can not move along the circumference of self to make the bolt can install on the supporting shoe more firmly.
Optionally, the outer peripheral side of the bolt is provided with a plurality of bumps, the bumps are uniformly distributed along the circumferential direction of the bolt at intervals, and one side, far away from the supporting block, of the fixing ring abuts against the bumps.
Through adopting above-mentioned technical scheme, after solid fixed ring butt is on the lateral wall of supporting shoe, install the lug on the bolt to make solid fixed ring keep away from on one side of supporting shoe with the lug butt together, make solid fixed ring by further restriction between lug and supporting shoe, the holding ring can not be along the axial displacement of bolt, thereby make the holding ring can stabilize and install on the bolt.
Optionally, a slot is formed in the plug pin, and the projection is inserted into the slot.
By adopting the technical scheme, when the fixing ring is arranged on the plug pin, the lug is plugged in the slot, the fixing ring supports against the lug, the lug further limits the axial movement of the fixing ring, and the fixing ring enables the lug to be abutted against the slot, so that the lug can be stably arranged on the plug pin.
Optionally, the number of the supporting blocks is three, and the supporting blocks are uniformly distributed at intervals along the circumferential direction of the sub printed circuit board.
Through adopting above-mentioned technical scheme, three supporting shoe distributes along printed circuit board's circumference, so enclose between the three supporting shoe and close and be the triangle-shaped structure to make sub-printed circuit board install on the week side of main printed circuit board firmly.
In summary, the present application includes at least one of the following benefits:
1. when the sub printed circuit board is fixed on the main printed circuit board, the fixing rod is inserted on the supporting block, the bolt penetrates through the fixing rod and the supporting block and then is sleeved with the fixing rings, the two fixing rings can prevent the bolt from axially moving, the first through hole and the second through hole are polygonal, and the cross section of the bolt is the same as that of the first through hole, so that the bolt cannot circumferentially move, the bolt is stably installed on the supporting block, when the main printed circuit board and the sub printed circuit board are vibrated, the elasticity of the fixing rings cannot be changed due to vibration, and the sub printed circuit board can be fixedly installed on the main printed circuit board;
2. the spring cup joints on the dead lever, and the stopper supports through the spring and presses on sub-printed circuit board, and when sub-printed circuit board fixed mounting was on main printed circuit board, the spring had the trend of ordering about stopper far away from ionic printed circuit board, so the dead lever hugs closely on the bolt to the sub-printed circuit board that makes to be provided with the antenna can fixed mounting on main printed circuit board.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic cross-sectional view of the present embodiment embodying the latch;
FIG. 3 is an enlarged schematic view at A of FIG. 2;
fig. 4 is a schematic cross-sectional view illustrating the positioning block sliding into the positioning groove according to the present embodiment.
Description of reference numerals: 1. a main printed circuit board; 2. a sub-printed circuit board; 21. a through hole; 3. a printed circuit board antenna; 4. a support block; 41. a second perforation; 42. positioning a groove; 5. fixing the rod; 51. a first perforation; 52. a limiting block; 53. positioning blocks; 6. a spring; 7. a bolt; 71. a bump; 72. a slot; 8. and (4) fixing the ring.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a printed circuit board with a contact surface for connecting an antenna. Referring to fig. 1, the printed circuit board includes a main printed circuit board 1, a sub printed circuit board 2 fixedly mounted on the main printed circuit board 1, and a printed circuit board antenna 3 disposed on the sub printed circuit board 2.
Referring to fig. 2, three supporting blocks 4 are fixedly connected to the main printed circuit board 1, and the supporting blocks 4 are located between the main printed circuit board 1 and the sub printed circuit board 2. The fixing rod 5 is inserted into the supporting block 4, the sub printed circuit board 2 is provided with a through hole 21 for the fixing rod 5 to pass through, and the fixing rod 5 is inserted into the supporting block 4 through the through hole 21, so that the sub printed circuit board 2 is preliminarily connected with the main printed circuit board 1. The cross section of the sub-printed circuit board 2 is circular, and the supporting blocks 4 are uniformly distributed at intervals along the circumferential direction of the sub-printed circuit board 2. The three support blocks 4 are enclosed to form a triangle, so that the peripheral sides of the sub printed circuit boards 2 can be stably mounted on the main printed circuit board 1.
Referring to fig. 3, a bolt 7 for fixing the fixing rod 5 is inserted into the supporting block 4, a first through hole 51 for the bolt 7 to pass through is formed in the fixing rod 5, and a second through hole 41 for the bolt 7 to pass through is formed in the supporting block 4. When the first through hole 51 and the second through hole 41 communicate with each other, the pin 7 sequentially passes through the supporting block 4 and the fixing lever 5 installed in the supporting block 4, so that one end of the fixing lever 5 is fixed to the supporting block 4.
Referring to fig. 2 and 3, the other end of the fixing rod 5 is fixedly connected with a stopper 52, a spring 6 is fixedly bonded to one side of the stopper 52 close to the sub-pcb 2, and the spring 6 is sleeved on the outer peripheral side of the fixing rod 5. When the fixing lever 5 is inserted into the main pcb 1 through the sub-pcb 2, one end of the spring 6 away from the stopper 52 abuts on the sub-pcb 2. When bolt 7 is pegged graft with dead lever 5, spring 6 is in the state of compressed, so spring 6 has the effort to stopper 52, and spring 6 has the trend of ordering about stopper 52 and keeping away from sub-printed circuit board 2 to drive dead lever 5 and hug closely on bolt 7, thereby make bolt 7 can stably peg graft on supporting shoe 4 and dead lever 5.
Referring to fig. 3, in order to enable the plug 7 to be stably inserted between the supporting block 4 and the fixing rod 5, the fixing ring 8 is sleeved at two ends of the plug 7 extending out of the supporting block 4, and the fixing ring 8 is made of an elastic material, such as an elastic rubber material. When the fixing ring 8 is sleeved on the bolt 7, the fixing ring 8 is in an expanded state, so that the fixing ring 8 can be tightly attached to the bolt 7. After the bolts 7 pass through the supporting block 4 and the fixing rod 5, the two fixing rings 8 are respectively abutted against the outer peripheral sides of the supporting block 4.
Referring to fig. 3, a projection 71 is provided on an outer peripheral side of the plug 7, a slot 72 is provided on an outer peripheral side of the plug 7, and the projection 71 is inserted into the plug 7 through the slot 72. The projections 71 are uniformly spaced along the circumference of the plug 7. After the fixing ring 8 is abutted against the outer periphery of the supporting block 4, the projection 71 is inserted into the bolt 7, so that one side of the fixing ring 8, which is far away from the supporting block 4, is abutted against the side wall of the projection 71, and the projection 71 is pressed by the fixing ring 8 and can be stably inserted into the slot 72.
Referring to fig. 3 and 4, in order to facilitate the pin 7 to accurately pass through the supporting block 4 and the fixing lever 5, a positioning block 53 is fixedly connected to the fixing lever 5, and the through hole 21 of the sub printed circuit board 2 can allow the positioning block 53 to pass through. The positioning groove 42 for the positioning block 53 to slide into is formed in the supporting block 4, when the fixing rod 5 is inserted into the supporting block 4, the positioning block 53 on the fixing rod 5 is inserted into the supporting block 4 along the positioning groove 42, so that the first through hole 51 and the second through hole 41 can be accurately communicated together, and the bolt 7 can be conveniently inserted.
Referring to fig. 4, the cross-sections of the first through holes 51 and the second through holes 41 are identical, and the cross-section of the first through holes 51 is polygonal, rectangular, hexagonal, or the like. The first through hole 51 of the present embodiment has a rectangular structure, and the cross section of the plug pin 7 is the same as that of the first through hole 51, so that after the plug pin 7 is inserted into the supporting block 4 and the fixing rod 5, the plug pin 7 cannot rotate along its own circumferential direction, thereby enabling the plug pin 7 to be further stably mounted on the supporting block 4.
The implementation principle of the printed circuit board with the antenna contact surface of the embodiment of the application is as follows:
when the sub-pcb 2 with the pcb antenna 3 mounted thereon is mounted on the main pcb 1, the fixing rod 5 connects the sub-pcb 2 and the main pcb 1 together, the limiting block 52 is pressed against the sub-pcb 2 through the spring 6, after the plug pin 7 is inserted, the fixing rod 5 can be tightly attached to the plug pin 7 because of the spring 6, the plug pin 7 is fixedly mounted on the supporting block 4 through two fixing rings 8, under the condition that the main pcb 1 and the sub-pcb 2 are vibrated, the elasticity of the fixing rings 8 can not be weakened because of the vibration, thereby the sub-pcb 2 is stably mounted on the main pcb 1, and the condition that the pcb antenna 3 is separated from the main pcb 1 is improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. Printed circuit board with be used for connecting antenna contact surface, including main printed circuit board (1) and sub-printed circuit board (2), be provided with printed circuit board antenna (3), its characterized in that on sub-printed circuit board (2): a plurality of supporting blocks (4) are distributed on the main printed circuit board (1) at intervals, a fixing rod (5) is inserted at one side of each supporting block (4) back to the main printed circuit board (1), the fixing rod (5) penetrates through the sub printed circuit board (2) to be inserted into the supporting blocks (4), one end of each fixing rod (5) is fixedly connected with a limiting block (52), the limiting blocks (52) are pressed against the sub printed circuit board (2), a bolt (7) used for fixing the other end of each fixing rod (5) is arranged on each supporting block (4), the bolt (7) penetrates through the supporting blocks (4) and the fixing rods (5), two ends of the bolt (7) extend out of the supporting blocks (4), two ends of the bolt (7) are sleeved with elastic fixing rings (8), and the fixing rings (8) sleeved on the bolt (7) are in a spread state, the two fixing rings (8) are arranged on the outer peripheral side of the supporting block (4).
2. The printed circuit board with contact surface for connecting antenna of claim 1, wherein: the fixing device is characterized in that a first through hole (51) for allowing a bolt (7) to penetrate is formed in the peripheral side of the fixing rod (5), a second through hole (41) for allowing the bolt (7) to penetrate is formed in the supporting block (4), a positioning block (53) is fixedly connected to the outer side of the fixing rod (5), a positioning groove (42) is formed in the supporting block (4), and when the positioning block (53) slides into the positioning groove (42), the first through hole (51) and the second through hole (41) are communicated with each other.
3. A printed circuit board with a contact surface for connecting an antenna according to claim 2, wherein: the cross sections of the first through hole (51) and the second through hole (41) are the same, the cross section of the first through hole (51) is polygonal, and the cross section of the plug pin (7) is the same as that of the first through hole (51).
4. The printed circuit board with contact surface for connecting antenna of claim 1, wherein: stopper (52) fixedly connected with spring (6), on the one end butt of spring (6) and sub-printed circuit board (2), when dead lever (5) is passed in bolt (7), spring (6) are in the state of compressed.
5. The printed circuit board with contact surface for connecting antenna according to claim 4, wherein: the spring (6) is sleeved on the fixed rod (5).
6. The printed circuit board with contact surface for connecting antenna of claim 1, wherein: the outer periphery of the bolt (7) is provided with a plurality of lugs (71), the lugs (71) are uniformly distributed along the circumference of the bolt (7) at intervals, and one side, away from the supporting block (4), of the fixing ring (8) is abutted against the lugs (71).
7. The printed circuit board with contact surface for connecting antenna of claim 6, wherein: the bolt (7) is provided with a slot (72), and the lug (71) is inserted into the slot (72).
8. The printed circuit board with contact surface for connecting antenna of claim 1, wherein: the number of the supporting blocks (4) is three, and the supporting blocks (4) are uniformly distributed at intervals along the circumferential direction of the sub-printed circuit board (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023351046.8U CN214101920U (en) | 2020-12-31 | 2020-12-31 | Printed circuit board with contact surface for connecting antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023351046.8U CN214101920U (en) | 2020-12-31 | 2020-12-31 | Printed circuit board with contact surface for connecting antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214101920U true CN214101920U (en) | 2021-08-31 |
Family
ID=77437119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023351046.8U Active CN214101920U (en) | 2020-12-31 | 2020-12-31 | Printed circuit board with contact surface for connecting antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214101920U (en) |
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2020
- 2020-12-31 CN CN202023351046.8U patent/CN214101920U/en active Active
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