CN219919313U - Coaxial hold-down device and semiconductor device - Google Patents
Coaxial hold-down device and semiconductor device Download PDFInfo
- Publication number
- CN219919313U CN219919313U CN202321055402.2U CN202321055402U CN219919313U CN 219919313 U CN219919313 U CN 219919313U CN 202321055402 U CN202321055402 U CN 202321055402U CN 219919313 U CN219919313 U CN 219919313U
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- circuit board
- carrier
- hole
- coaxial
- pressing plate
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 16
- 238000003825 pressing Methods 0.000 claims abstract description 52
- 238000003466 welding Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims 2
- 238000007906 compression Methods 0.000 claims 2
- 238000005452 bending Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model belongs to the technical field of electronic equipment assembly, and particularly relates to a coaxial pressing device and semiconductor equipment. The coaxial compressing device comprises a carrier provided with an avoidance groove, a pressing plate provided with an avoidance through hole and a driving piece arranged on the pressing plate, wherein the driving piece is connected with the carrier, a circuit board is arranged on the carrier, one end of a coaxial connector penetrates through the avoidance through hole and is arranged on the circuit board, and the pressing plate is abutted with a side wall step of the circuit board; the vertical pins of the coaxial connector penetrate through the pin through holes of the circuit board and then extend into the avoidance grooves, and the driving piece is used for driving the pressing plate to press the coaxial connector on the circuit board. According to the utility model, the driving piece can drive the carrier to move towards a position far away from or close to the pressing plate, so that the pressing plate can tightly press the coaxial connector on the circuit board, the coaxiality of the vertical pins inserted in the pin through holes of the circuit board is ensured, and the coaxiality of the coaxial connector welded on the circuit board is further ensured.
Description
Technical Field
The utility model belongs to the technical field of electronic equipment assembly, and particularly relates to a coaxial pressing device and semiconductor equipment.
Background
When high-frequency signals are passed through conductors arranged on a circuit board, it is generally required to process the high-frequency signals in an electromagnetic shielding condition so that the high-frequency signals do not leak from the conductors and are not affected by external noise. In order to transmit high frequency signals from one circuit board to the outside of the circuit board (e.g., another circuit board) under electromagnetic shielding conditions, coaxial electrical connectors mounted on the circuit board are then used to perform this function.
The coaxial connector is provided with a vertical pin and a bending pin, the vertical pin is required to be inserted into and welded in a pin through hole of the circuit board, the bending pin is required to be welded with the surface of the circuit board, and the coaxiality requirement between the vertical pin and the pin through hole on the circuit board is high.
In the prior art, coaxial connectors are typically placed on a circuit board and then soldered between the coaxial connector and the circuit board. However, in the form of the coaxial connector being directly placed on the circuit board, there is poor coaxiality between the vertical pins and the pin through holes on the circuit board, resulting in lower accuracy in soldering the coaxial connector on the circuit board.
Disclosure of Invention
The utility model provides a coaxial pressing device and semiconductor equipment, aiming at the technical problem that the coaxial connector is welded on a circuit board in the prior art and has lower installation precision.
In view of the above technical problems, the embodiment of the utility model provides a coaxial compressing device, which is applied to welding a coaxial connector on a circuit board and comprises a carrier provided with an avoidance groove, a pressing plate provided with an avoidance through hole and a driving piece arranged on the pressing plate, wherein the driving piece is connected with the carrier, the circuit board is arranged on the carrier, one end of the coaxial connector passes through the avoidance through hole and is arranged on the circuit board, and the pressing plate is abutted with a side wall step of the circuit board; the vertical pins of the coaxial connector penetrate through the pin through holes of the circuit board and then extend into the avoidance grooves, and the driving piece is used for driving the pressing plate to press the coaxial connector on the circuit board.
Optionally, the driving piece includes the lead screw, be equipped with on the carrier with the screw hole of lead screw adaptation, be equipped with first through-hole on the clamp plate, the one end of lead screw is passed behind the first through-hole connect the screw hole.
Optionally, the driving piece includes the lead screw and installs nut on the carrier, be equipped with first through-hole on the clamp plate, the one end of lead screw passes behind the first through-hole threaded connection the nut.
Optionally, a mounting hole is formed in the carrier, the center line of the mounting hole coincides with the center line of the first through hole, and the nut is mounted in the mounting hole.
Optionally, the driving piece further comprises a rotating handle installed on the screw rod, and the rotating handle is used for driving the screw rod to rotate.
Optionally, the carrier is further provided with a guide shaft, the pressing plate is provided with a guide hole, and one end of the guide shaft, which is far away from the carrier, is inserted into the guide hole.
The utility model also provides a semiconductor device, which comprises the coaxial connector and a circuit board, wherein the two opposite outer side walls of the coaxial connector are provided with the side wall steps, and the vertical pins of the coaxial connector are inserted into the pin through holes of the circuit board and welded.
Optionally, a bending pin is further arranged on the coaxial connector, and the bending pin and the circuit board are welded on the surface, deviating from the carrier, of the circuit board.
Optionally, the circuit board is further provided with a second through hole for the driving piece to pass through.
Optionally, the coaxial pressing device further comprises a guide rail mounted on the carrier and a sliding block slidingly connected to the guide rail, and the pressing plate is mounted on the sliding block.
According to the utility model, a circuit board is arranged on a carrier, one end of a coaxial connector passes through an avoidance through hole of a pressing plate and is arranged on the circuit board, and the pressing plate is abutted with a side wall step of the circuit board; the vertical pins of the coaxial connector penetrate through the pin through holes of the circuit board and then extend into the avoidance grooves, and the driving piece can drive the carrier to move towards a position far away from or close to the pressing plate, so that the pressing plate can tightly press the coaxial connector on the circuit board, coaxiality of the vertical pins inserted into the pin through holes of the circuit board is guaranteed, and coaxiality of the coaxial connector welded on the circuit board is further guaranteed; in addition, in the process of welding the coaxial connector on the circuit board, the phenomena of shaking, loosening and the like do not occur between the coaxial connector and the circuit board, and the quality of welding the coaxial connector on the circuit board is further improved.
Further, a plurality of coaxial connectors can be installed on the circuit board, a plurality of avoidance through holes are formed in the pressing plate, a plurality of avoidance grooves are formed in the carrier, and therefore the pressing plate can sequentially weld the coaxial connectors on the circuit board, and the efficiency of welding the coaxial connectors on the circuit board is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
Fig. 1 is a schematic view showing a structure in which a semiconductor device according to an embodiment of the present utility model is mounted on a coaxial hold-down device;
fig. 2 is a cross-sectional view of a semiconductor device according to an embodiment of the present utility model mounted on a coaxial hold-down device;
FIG. 3 is a schematic view of a coaxial compressing device according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a semiconductor device according to an embodiment of the present utility model;
fig. 5 is a schematic structural diagram of a coaxial connector of a semiconductor device according to an embodiment of the present utility model.
Reference numerals in the specification are as follows:
1. a coaxial hold-down device; 11. a carrier; 111. avoiding the groove; 12. a pressing plate; 121. avoiding the through hole; 13. a driving member; 131. a screw rod; 132. rotating the handle; 14. a guide rail; 15. a slide block; 16. a guide shaft; 2. a semiconductor device; 21. a coaxial connector; 211. a sidewall step; 212. a vertical pin; 213. bending the pins; 22. a circuit board.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
It is to be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", "middle", etc., are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.
As shown in fig. 1 to 3, an embodiment of the present utility model provides a coaxial compressing device 1, which is applied to welding a coaxial connector 21 on a circuit board 22, and includes a carrier 11 provided with an avoidance groove 111, a pressing plate 12 provided with an avoidance through hole 121, and a driving member 13 mounted on the pressing plate 12, wherein the driving member 13 is connected to the carrier 11, the circuit board 22 is mounted on the carrier 11, one end of the coaxial connector 21 is mounted on the circuit board 22 through the avoidance through hole 121, and the pressing plate 12 is abutted to a side wall step 211 of the circuit board 22; the vertical pins 212 of the coaxial connector 21 extend into the avoidance grooves 111 after passing through pin through holes (not shown) of the circuit board 22, and the driving member 13 is used for driving the pressing plate 12 to press the coaxial connector 21 onto the circuit board 22. It will be appreciated that the driving member 13 includes, but is not limited to, a linear motor, a pneumatic cylinder, a hydraulic cylinder, a screw 131 nut mechanism, etc.; the relief groove 111 opens toward the platen 12.
In the utility model, a circuit board 22 is arranged on a carrier 11, one end of a coaxial connector 21 passes through a avoidance through hole 121 of a pressing plate 12 and is arranged on the circuit board 22, and the pressing plate 12 is abutted with a side wall step 211 of the circuit board 22; the vertical pins 212 of the coaxial connector 21 penetrate through the pin through holes of the circuit board 22 and then extend into the avoidance grooves 111, and the driving member 13 can drive the carrier 11 to move towards a position far away from or close to the pressing plate 12, so that the pressing plate 12 can tightly press the coaxial connector 21 on the circuit board 22, the coaxiality of the vertical pins 212 inserted into the pin through holes of the circuit board 22 is ensured, and the coaxiality of the coaxial connector 21 welded on the circuit board 22 is further ensured; in addition, during the process of welding the coaxial connector 21 on the circuit board 22, the phenomena of shaking, loosening and the like do not occur between the coaxial connector 21 and the circuit board 22, and the quality of welding the coaxial connector 21 on the circuit board 22 is further improved.
Further, a plurality of coaxial connectors 21 may be mounted on the circuit board 22, a plurality of avoidance holes 121 are formed in the pressing plate 12, and a plurality of avoidance grooves 111 are formed in the carrier 11, so that the pressing plate 12 can sequentially weld the plurality of coaxial connectors 21 on one circuit board 22, and efficiency of welding the coaxial connectors 21 on the circuit board 22 is improved.
In an embodiment, as shown in fig. 1 to 3, the driving member 13 includes a screw rod 131, a threaded hole (not shown in the drawings) adapted to the screw rod 131 is provided on the carrier 11, a first through hole is provided on the pressing plate 12, and one end of the screw rod 131 passes through the first through hole and then is connected to the threaded hole. As can be appreciated, one end of the screw 131 is located above the platen 12, the other end of the screw 131 is inserted into the threaded hole, and the screw 131 and the carrier 11 form a screw 131 nut mechanism.
Specifically, by rotating the screw rod 131, the screw rod 131 may drive the carrier 11 to move toward an end close to or far from the pressing plate 12, so that the pressing plate 12 may press the coaxial connector 21 against the circuit board 22. In this embodiment, the driving member 13 has a simple structure, and reduces the manufacturing cost of the coaxial compressing device 1.
In one embodiment, the driving member 13 includes a screw rod 131 and a nut (not shown) mounted on the carrier 11, and the pressing plate 12 is provided with a first through hole, and one end of the screw rod 131 is threaded with the nut after passing through the first through hole. It is to be appreciated that the nut is provided with a threaded hole adapted to the screw rod 131, the screw rod 131 is in threaded connection with the nut through the threaded hole, and the screw rod 131 drives the carrier 11 to move towards a direction approaching or separating from the pressing plate 12 through the threads.
In one embodiment, as shown in fig. 1, the carrier 11 is provided with a mounting hole, a center line of the mounting hole coincides with a center line of the first through hole, and the nut is mounted in the mounting hole. It is understood that the mounting hole is located directly below the first through hole. In this embodiment, the nut is mounted in the mounting hole, thereby improving the compactness of the nut mounted on the carrier 11.
In one embodiment, as shown in fig. 1 and 3, the driving member 13 further includes a rotating handle 132 mounted on the screw 131, and the rotating handle 132 is used to rotate the screw 131. It can be appreciated that the rotating handle 132 is installed at the top of the screw rod 131, and a user can drive the screw rod 131 to rotate through the rotating handle 132, thereby improving the convenience of the screw rod 131 to rotate.
In an embodiment, as shown in fig. 1 and 3, the carrier 11 is further provided with a guide shaft 16, the pressing plate 12 is provided with a guide hole, and an end of the guide shaft 16 away from the carrier 11 is inserted into the guide hole. As can be appreciated, the driving member 13 drives the carrier 11 to move toward the end close to or away from the pressing plate 12, and the pressing plate 12 sleeve can slide on the guiding shaft 16 through the guiding hole, so that the pressing plate 12 can be further ensured to press the coaxial connector 21 on the circuit board 22 vertically downwards.
In one embodiment, as shown in fig. 1, the coaxial compressing device 1 further includes a guide rail 14 mounted on the carrier 11 and a slider 15 slidably connected to the guide rail 14, and the pressing plate 12 is mounted on the slider 15. It will be appreciated that the guide rail 14 is mounted on the carrier 11 in the vertical direction, and the driving member 13 drives the carrier 11 to move toward an end close to or far from the pressing plate 12, and the pressing plate 12 moves on the guide rail 14 through the sliding block 15, so that the stability of the movement of the carrier 11 in the vertical direction is ensured.
As shown in fig. 2 and 5, another embodiment of the present utility model further provides a semiconductor device 2, which includes the coaxial connector 21 and the circuit board 22, wherein the two opposite outer sidewalls of the coaxial connector 21 are provided with the sidewall steps 211, and the vertical pins 212 of the coaxial connector 21 are inserted into and soldered to the pin through holes of the circuit board 22. As will be appreciated, the coaxial connector 21 includes an upper member and a lower member connected to the upper member, the vertical pin 212 is provided on the lower member, the upper member has a width larger than that of the lower member, the sidewall step 211 is provided at an end of the lower member toward the upper member so that an upper end of the upper member may pass through the escape through hole 121, and the pressing plate 12 may be pressed against an upper end of the upper member. In this embodiment, the coaxial connector 21 is mounted on the circuit board 22 with high accuracy.
In an embodiment, as shown in fig. 4 and 5, a bent pin 213 is further disposed on the coaxial connector 21, and the bent pin 213 is soldered to a surface of the circuit board 22 facing away from the carrier 11. It will be appreciated that the bent pins 213 are soldered to the surface of the circuit board 22.
In one embodiment, the circuit board 22 is further provided with a second through hole (not shown) for the driving member 13 to pass through. The second through hole can be connected to the screw 131.
The above embodiments of the coaxial compressing device and the semiconductor device of the present utility model are merely examples, and are not intended to limit the present utility model, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. The coaxial compressing device is applied to welding a coaxial connector on a circuit board and is characterized by comprising a carrier provided with an avoidance groove, a pressing plate provided with an avoidance through hole and a driving piece arranged on the pressing plate, wherein the driving piece is connected with the carrier, the circuit board is arranged on the carrier, one end of the coaxial connector passes through the avoidance through hole and is arranged on the circuit board, and the pressing plate is abutted with a side wall step of the circuit board; the vertical pins of the coaxial connector penetrate through the pin through holes of the circuit board and then extend into the avoidance grooves, and the driving piece is used for driving the pressing plate to press the coaxial connector on the circuit board.
2. The coaxial compressing device of claim 1, wherein the driving member comprises a screw, the carrier is provided with a threaded hole adapted to the screw, the pressing plate is provided with a first through hole, and one end of the screw is connected to the threaded hole after passing through the first through hole.
3. The coaxial compressing device of claim 1, wherein the driving member comprises a screw rod and a nut mounted on the carrier, a first through hole is formed in the pressing plate, and one end of the screw rod is threaded with the nut after passing through the first through hole.
4. A coaxial hold-down device according to claim 3, wherein the carrier is provided with a mounting hole, the centre line of which coincides with the centre line of the first through hole, in which the nut is mounted.
5. A coaxial compression device according to claim 2 or claim 3, wherein the drive member further comprises a rotary handle mounted on the screw for rotating the screw.
6. The coaxial hold-down device of claim 1, wherein the carrier is further provided with a guide shaft, the platen is provided with a guide hole, and an end of the guide shaft remote from the carrier is inserted into the guide hole.
7. The coaxial compression device of claim 1, further comprising a rail mounted on the carrier and a slider slidably coupled to the rail, the platen being mounted on the slider.
8. A semiconductor device comprising the coaxial connector according to any one of claims 1 to 7 and a circuit board, opposite outer side walls of the coaxial connector having the side wall steps, and vertical pins of the coaxial connector being inserted and soldered in pin through holes of the circuit board.
9. The semiconductor device of claim 8, wherein the coaxial connector is further provided with a bent pin soldered to a surface of the circuit board facing away from the carrier.
10. The semiconductor device according to claim 8, wherein the circuit board is further provided with a second through hole through which the driving member passes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321055402.2U CN219919313U (en) | 2023-05-05 | 2023-05-05 | Coaxial hold-down device and semiconductor device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321055402.2U CN219919313U (en) | 2023-05-05 | 2023-05-05 | Coaxial hold-down device and semiconductor device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219919313U true CN219919313U (en) | 2023-10-27 |
Family
ID=88468493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321055402.2U Active CN219919313U (en) | 2023-05-05 | 2023-05-05 | Coaxial hold-down device and semiconductor device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219919313U (en) |
-
2023
- 2023-05-05 CN CN202321055402.2U patent/CN219919313U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |