CN210046598U - Lifting type circuit board pulling device - Google Patents
Lifting type circuit board pulling device Download PDFInfo
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- CN210046598U CN210046598U CN201920380820.6U CN201920380820U CN210046598U CN 210046598 U CN210046598 U CN 210046598U CN 201920380820 U CN201920380820 U CN 201920380820U CN 210046598 U CN210046598 U CN 210046598U
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Abstract
The embodiment of the application provides a lifting circuit board pulling device, includes: the thread transmission component comprises a screw rod with threads and a hand wheel, a unthreaded hole slide block and a thread slide block which are sleeved on the screw rod, and transmission components which are symmetrically arranged on two sides of the screw rod and connected with the slide block; the unthreaded hole slider and the threaded slider are provided with through holes in the middle, cross shafts which are radially vertical to the through holes and are parallel to the two clamping plates are arranged on two sides of the unthreaded hole slider and the threaded slider, and the transmission assembly is connected with the cross shafts of the sliders. The embodiment of the utility model provides an in the embodiment two parallel splint keep away from the power steady accurate, overcome the circuit board damage that abrupt application of force probably caused, make the circuit board play to pull out more convenient and laborsaving.
Description
Technical Field
The invention relates to the field of structural design of electronic equipment, in particular to a lifting type circuit board pulling device.
Background
With the development of the microsatellite, the PC104 circuit board is widely applied to the field of the microsatellite, and the circuit board is generally a stack type assembly structure, as shown in fig. 1, 1 is a satellite outer frame, and 2 and 3 are two connected circuit boards, so that the structure is very compact. In the actual production test process, the circuit board often need change and dismantle, because of space and structural constraint, it is less mainly that the circuit board interval, and connect the fastening between the plug connector, there is the degree of difficulty in the dismantlement of circuit board.
At present, tools which can be used for pulling up the circuit board are few, the limitation of various factors such as operation space is more that the tools cannot be applied, the tools are operated by hands of operators, the circuit board contact pin is bent or the components and parts are damaged easily due to uneven stress during bare-handed disassembly, and the bare-handed disassembly wastes time and labor.
Disclosure of Invention
In order to solve the above problem, the present application provides an elevating circuit board pulling device, the device includes: the thread transmission component is arranged between the two clamping plates.
Further, the threaded transmission member includes: the device comprises a screw rod with threads and a hand wheel, a unthreaded hole slide block and a thread slide block which are sleeved on the screw rod, and transmission assemblies which are symmetrically arranged on two sides of the screw rod and are connected with the slide blocks.
Furthermore, there is a through-hole in the middle part of unthreaded hole slider and screw thread slider, both sides have with the radial perpendicular and parallel cross axle with two splint of through-hole, unthreaded hole slider is through its through-hole suit on the screw rod and spacing in the hand wheel of screw rod, screw thread slider is through on its through-hole inner wall with screw rod screw thread assorted screw thread suit on the screw rod, drive assembly is connected with the cross axle of slider.
Further, the transmission assembly comprises 8 identical rotating structures, and each rotating structure consists of a gear, a connecting rod and a pin for connecting the gear and the connecting rod; two pairs of 8 rotating structures are in a group, two gears of each group are meshed with each other, two pins are connected with the clamping plate in parallel at the same side, and two connecting rods are respectively connected with a transverse shaft of the unthreaded hole sliding block and a transverse shaft of the threaded sliding block.
Furthermore, a shaft sleeve is sleeved between each connecting rod on the transverse shaft of the unthreaded hole slide block and the transverse shaft of the threaded slide block.
Furthermore, the middle rear parts of the two clamping plates are symmetrically provided with connecting structures connected with the threaded transmission part.
Furthermore, each connecting structure of the two clamping plates is provided with two through holes, and the two pins of each group of rotating structures are respectively connected to the through holes of the connecting structures.
Furthermore, the two clamping plates are identical in shape, and two front convex steps are arranged at the front end of each clamping plate.
Further, the center-to-center distance between the two forward convex steps is 73.1 mm-74.1 mm.
Further, the distance between the front convex steps of the two clamping plates and the distance between the front convex steps and the lower convex steps is less than 16mm when the distance between the front convex steps and the lower convex steps is the shortest; the distance between the front convex steps of the two clamping plates is more than 41 mm when the distance is farthest.
The pulling-up device that this application embodiment provided utilizes the principle of simple and easy jack, will exert the force and transmit and enlarge, makes the steady accuracy of exerting force that two parallel splint kept away from, has overcome the circuit board damage that sudden application of force probably caused, makes pulling up to this type of stack package assembly of PC104 circuit board more convenient and laborsaving.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of PC104 circuit board assembly;
FIG. 2 is a schematic structural diagram of a threaded transmission component in the lifting pulling device according to the embodiment of the present invention;
FIG. 3 is a schematic view of an initial state of the lift-type extraction device according to the embodiment of the present invention;
FIG. 4 is a schematic view of an end state of the lifting and pulling device according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of the transmission process of the lifting pulling device according to the embodiment of the present invention;
fig. 6 is a schematic view of a working process of the lifting type pulling device according to the embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; it should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
One embodiment of the present invention provides a lifting circuit board pulling device, including: the thread transmission component is positioned between the two clamping plates.
In an alternative embodiment, the threaded drive component comprises: the screw rod with screw thread and hand wheel, unthreaded hole slider and screw thread slider of suit on the screw rod and the transmission assembly who sets up in screw rod both sides and be connected with the slider symmetrically.
In an optional embodiment, the unthreaded hole sliding block and the threaded sliding block are provided with through holes in the middle, cross shafts which are perpendicular to the through holes in the radial direction and are parallel to the two clamping plates are arranged on two sides of the unthreaded hole sliding block, the unthreaded hole sliding block is sleeved on the screw rod through the through holes and is limited on a hand wheel of the screw rod, the threaded sliding block is sleeved on the screw rod through threads matched with the threads of the screw rod on the inner wall of the through holes, and the transmission assembly is connected with the cross shafts of.
In an alternative embodiment, the transmission assembly comprises 8 identical rotating structures, and each rotating structure consists of a gear, a connecting rod and a pin for connecting the gear and the connecting rod; two pairs of 8 rotating structures are in a group, two gears of each group are meshed with each other, two pins are connected with the clamping plate in parallel at the same side, and two connecting rods are respectively connected with a transverse shaft of the unthreaded hole sliding block and a transverse shaft of the threaded sliding block.
In an alternative embodiment, a bushing is further sleeved between each connecting rod on the transverse shaft of the unthreaded sliding block and the transverse shaft of the threaded sliding block.
In an optional embodiment, the middle rear parts of the two clamping plates are symmetrically provided with connecting structures connected with the threaded transmission parts; every connection structure of two splint all has two through-holes, and two pins of each group revolution mechanic are connected to connection structure's through-hole respectively.
In an alternative embodiment, the two clamping plates are the same in shape, and the front end of each clamping plate is provided with two front convex steps; the central distance between the two front convex steps is 73.1 mm-74.1 mm; when the distance between the front convex steps of the two clamping plates is the shortest, the vertical outer distance is less than 16 mm; the distance between the front convex steps of the two clamping plates is more than 41 mm when the distance is farthest.
The pulling device provided by the embodiment of the invention transfers and amplifies the applied force by utilizing the principle of a simple jack, so that the applied force far away from the two parallel clamping plates is stable and accurate, the circuit board damage possibly caused by sudden force application is overcome, and the circuit board is more convenient and labor-saving to pull and pull.
The following describes the embodiments of the present invention in detail, taking the PC104 board extractor as an example.
Example (b): lifting type puller for PC104 circuit board
As shown in fig. 2, 3, 4, 5 and 6, the extractor comprises two clamping plates parallel to each other and a screw transmission part connecting the two clamping plates, wherein the screw transmission part is positioned between the two clamping plates.
Referring to fig. 2, the screw transmission component in the extractor includes: the screw rod with screw thread and hand wheel, unthreaded hole slider and screw thread slider of suit on the screw rod and the transmission assembly who sets up in screw rod both sides and be connected with the slider symmetrically.
The unthreaded hole sliding block and the threaded sliding block are provided with through holes in the middle, cross shafts which are perpendicular to the through holes in the radial direction and are parallel to the two clamping plates are arranged on two sides of the unthreaded hole sliding block, the unthreaded hole sliding block is sleeved on the screw rod through the through holes and is limited on a hand wheel of the screw rod, the threaded sliding block is sleeved on the screw rod through threads matched with the threads of the screw rod on the inner wall of the through holes, and the transmission assembly is connected with the cross shafts of.
The transmission assembly comprises 8 identical rotating structures, and each rotating structure consists of a gear, a connecting rod and a pin for connecting the gear and the connecting rod; the two rotating structures are in a group, two gears in each group are meshed with each other, two pins are connected with the clamping plate in parallel at the same side, and two connecting rods are respectively connected with a transverse shaft of the unthreaded hole slide block and a transverse shaft of the threaded slide block to play a role in parallel transmission; and a shaft sleeve is sleeved between each connecting rod on the transverse shaft of the unthreaded hole slide block and the transverse shaft of the threaded slide block.
Referring to fig. 3, 4, 5 and 6, the two clamping plates of the extractor have the same shape, and the middle rear part of the clamping plate is provided with connecting structures connected with the threaded transmission component in a bilateral symmetry manner; every connection structure all has two through-holes, and two pins of each group revolution mechanic are connected to on the through-hole respectively. Two front convex steps are arranged at the front end of each clamping plate; the central distance between the two front convex steps is 73.6 +/-1 mm, and the distance can be well matched with a mounting hole of a PC104 circuit board, so that the PC104 circuit board can be pulled up. Referring to fig. 3 and 4, the distance between the front convex steps of the two splints is 16 ± 1mm when the distance is closest, and 39 ± 1mm when the distance is farthest; the distance range between the PC104 circuit boards is 16 mm-30 mm, and the insertion depth of the contact pin is 9 +/-1 mm, so that the distance setting can meet the pulling requirement of the PC104 circuit board.
Referring to fig. 5, the screw driving process of the extractor is that the screw handwheel is rotated, the screw rotates to make the threaded slider and the unthreaded hole slider on the screw move relatively, the transverse shafts of the sliders approach or separate from each other to make the gear connecting rods engaged with each other rotate, the rotating structure engaged with the gears converts the rotating motion into linear motion, and then the two clamping plates are controlled to move relatively, the operation is simple and convenient, and the control is accurate.
The working process of the extractor is shown in fig. 6:
firstly, aligning the front end of a clamping plate with a plug-in connector part of a PC104 circuit board to be disassembled;
then, the screw hand wheel is rotated, and the clamping plate moves away from the screw transmission part relatively;
and finally, when the clamping plate is far away from a certain degree, the circuit board is completely disassembled.
As can be seen from the above embodiments, the circuit board pulling device provided by the embodiment of the application ensures that the two clamping plates move to ensure stable and accurate force application through the thread transmission component, so that the problems of uneven force application during bare-handed disassembly and possible circuit board damage are solved, meanwhile, the parallel clamping plates ensure reliable force application, the adjustable distance between the clamping plates is increased, and the circuit board can be safely and reliably disassembled; in addition, the extractor is small in size, can be operated in any direction in a narrow three-dimensional space, is extremely convenient and quick to use, and is also convenient to carry.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (11)
1. An elevating circuit board extraction device, the device comprising: the thread transmission component is arranged between the two clamping plates.
2. The apparatus of claim 1, wherein the threaded drive component comprises: the device comprises a screw rod with threads and a hand wheel, a unthreaded hole slide block and a thread slide block which are sleeved on the screw rod, and transmission assemblies which are symmetrically arranged on two sides of the screw rod and are connected with the slide blocks.
3. The device as claimed in claim 2, wherein the unthreaded hole slider and the threaded slider are provided with through holes in the middle, and are provided with transverse shafts which are perpendicular to the through holes in the radial direction and parallel to the two clamping plates on two sides, the unthreaded hole slider is sleeved on the screw rod through the through holes and is limited on the hand wheel of the screw rod, the threaded slider is sleeved on the screw rod through threads which are matched with the threads of the screw rod on the inner wall of the through holes, and the transmission assembly is connected with the transverse shafts of the sliders.
4. The device of claim 3, wherein the transmission assembly comprises 8 identical rotating structures, and the rotating structures are composed of gears, connecting rods and pins for connecting the gears and the connecting rods; two pairs of 8 rotating structures are in a group, two gears of each group are meshed with each other, two pins are connected with the clamping plate in parallel at the same side, and two connecting rods are respectively connected with a transverse shaft of the unthreaded hole sliding block and a transverse shaft of the threaded sliding block.
5. The device of claim 4, wherein a bushing is further sleeved between each connecting rod on the transverse shaft of the unthreaded slider and the transverse shaft of the threaded slider.
6. The device according to any one of claims 1 to 3, wherein the middle rear parts of the two clamping plates are symmetrically provided with connecting structures connected with the threaded transmission parts.
7. The device as claimed in claim 4 or 5, wherein the middle rear parts of the two clamping plates are provided with connecting structures connected with the thread transmission parts in bilateral symmetry.
8. The apparatus of claim 7, wherein each of the two plates has two through holes, and the two pins of the respective sets of rotating structures are connected to the through holes of the connecting structures.
9. The device as claimed in any one of claims 1 to 5, wherein the two clamping plates are identical in shape, and each clamping plate is provided with two front protruding steps at the front end.
10. The device of claim 9, wherein the distance between the centers of the two forward protruding steps is 73.1 mm to 74.1 mm.
11. The device of claim 10, wherein the distance between the front convex steps of the two clamping plates is less than 16mm when the distance between the front convex steps is the shortest; the distance between the front convex steps of the two clamping plates is more than 41 mm when the distance is farthest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920380820.6U CN210046598U (en) | 2019-03-25 | 2019-03-25 | Lifting type circuit board pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920380820.6U CN210046598U (en) | 2019-03-25 | 2019-03-25 | Lifting type circuit board pulling device |
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| Publication Number | Publication Date |
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| CN210046598U true CN210046598U (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920380820.6U Active CN210046598U (en) | 2019-03-25 | 2019-03-25 | Lifting type circuit board pulling device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872889A (en) * | 2020-07-31 | 2020-11-03 | 神华天津煤炭码头有限责任公司 | Auxiliary dismounting device, cantilever belt driving system and dismounting method thereof |
| CN111872888A (en) * | 2020-07-31 | 2020-11-03 | 神华天津煤炭码头有限责任公司 | Auxiliary dismounting mechanism, cantilever belt driving system and dismounting method thereof |
| CN111872887A (en) * | 2020-07-31 | 2020-11-03 | 神华天津煤炭码头有限责任公司 | Auxiliary disassembling tool, cantilever belt driving device and disassembling method |
-
2019
- 2019-03-25 CN CN201920380820.6U patent/CN210046598U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111872889A (en) * | 2020-07-31 | 2020-11-03 | 神华天津煤炭码头有限责任公司 | Auxiliary dismounting device, cantilever belt driving system and dismounting method thereof |
| CN111872888A (en) * | 2020-07-31 | 2020-11-03 | 神华天津煤炭码头有限责任公司 | Auxiliary dismounting mechanism, cantilever belt driving system and dismounting method thereof |
| CN111872887A (en) * | 2020-07-31 | 2020-11-03 | 神华天津煤炭码头有限责任公司 | Auxiliary disassembling tool, cantilever belt driving device and disassembling method |
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