CN200960577Y - Dismounting tool - Google Patents
Dismounting tool Download PDFInfo
- Publication number
- CN200960577Y CN200960577Y CN 200620015128 CN200620015128U CN200960577Y CN 200960577 Y CN200960577 Y CN 200960577Y CN 200620015128 CN200620015128 CN 200620015128 CN 200620015128 U CN200620015128 U CN 200620015128U CN 200960577 Y CN200960577 Y CN 200960577Y
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- fixed leg
- hook
- circuit board
- elastic force
- force apparatus
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Abstract
The utility model discloses a withdrawal tool, for withdrawing device, comprising a fixing column fixed on a circuit bard, an elastic device mounted on the fixing column, and a hook at one end of the elastic device, wherein via outer force, the elastic device generates elastic deformation with one end near the hook moves together with the hook to the circuit board, and when the outer force is eliminated, the elastic device via elastic return force moves the end near the hook together with the hook away from the circuit board. When detaches device, user feeds the circuit board, the object device and the withdrawal tool into a reflux furnace to be heated, along with the temperature increase, to be fused at welding point, and when the adhesive force between the object device and the circuit board disappears, the hook clamping the object device via the return force of a spring device moves away from the circuit board, thereby separating the object device from the circuit board successfully.
Description
Technical field
The utility model relates to mechanical field, especially a kind of extracting tool.
Background technology
In order to satisfy the requirement of signal transmission, the input/output interface on the device is more and more, and size of devices is also increasing.Increase along with device size, for common plastic packaged device, thermal capacity is also increasing, adopts and realizes that at the top of device or the mode of side heat the dismounting of device is also more and more difficult, particularly for the surface array device of the big thermal capacity of some large scales, this problem is more outstanding.
Surface array device (Ball Grid Array) adopts the soldered ball/salient point and the printed circuit board of device bottom to weld together, and realizes the electrically conducting function.With QFP (Quad Flat Package, a kind of square or the encapsulation of rectangular device, there is wing pin on four limits), SOP (Small Outline Package, a kind of rectangle device encapsulation, there is wing pin on both sides) device compares, the surface array device size is little, and pin number is many, and more I/O channel can be provided.
For surface array device, because solder joint (Solder Jointing) is positioned at the bottom of device, invisible, in that go wrong need be when circuit board disassembles, can not adopt electric iron to dismantle, must pass through hot blast/IR/laser etc., the butt welding point heating, with the solder joint fusing, thereby device is disassembled from circuit board.
As shown in Figures 1 and 2, generally adopt heat gun/air duct, in the top or the side heat of device, hot blast is delivered to heat on the solder joint by the device encapsulation, and butt welding point heats.In addition, also have the Clearance Flow of fraction hot blast between device and circuit board, play the effect of heating solder joint equally, when solder joint is heated to uniform temperature, can melt, weld failure, thus device can be taken off.
Adopt the mode of local heat device, entire circuit plate various piece is heated inhomogeneous, causes the moderate finite deformation of circuit board easily, thereby has more aggravated the distortion of device, and the damage of device, printed circuit board.
Adopt manual mode of getting device as needing in heating process, can't accurately grasp the opportunity of pickup, and the strength size is difficult to accurate control, occurs easily owing to firmly excessive board pads being pulled off the phenomenon that comes off, and causes the irreversible damage of entire product.
The utility model content
The technical problems to be solved in the utility model provides a kind of extracting tool, can be admitted in the reflow ovens together with circuit board to heat, and when solder joint melts, device to be removed is in time disassembled from circuit board.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model discloses a kind of extracting tool, be used for the dismounting of device, described extracting tool comprises:
Fixed leg is fixed on the circuit board;
Elastic force apparatus, winding is on described fixed leg;
Hook is positioned at an end of described elastic force apparatus;
Wherein, described elastic force apparatus under external force, strain takes place after, described elastic force apparatus is close to circuit board together near an end and the hook of hook; After external force was cancelled, described elastic force apparatus was under the elastic-restoring force effect, and described elastic force apparatus moves to the direction away from circuit board together near an end and the hook of hook.
Described fixed leg is a cylinder, is provided with first screw thread in the bottom of described fixed leg;
Circuit board is provided with screwed hole, and described screwed hole is a circular hole;
First screw thread by described fixed leg matches with the screwed hole of circuit board, and described fixed leg is fixed on the described circuit board.
Described extracting tool also comprises first nut, after described fixed leg passes the screwed hole of described circuit board, first thread set of first nut by the fixed leg bottom is located on the described fixed leg.
Described fixed leg bottom is provided with convex, and after described fixed leg passed the screwed hole of described circuit board, described convex was connected on the upper surface of circuit board.
Described elastic force apparatus is a spring, is sheathed on the described fixed leg; Described hook is offered porose, and by described hole, is sheathed on the described fixed leg, and described hook is connected to the upper end of described spring.
Described fixed leg top is provided with first stop section, and described first stop section is positioned at the upside of hook.
Described fixed leg top is provided with second screw thread, and described stop section is second nut, described second nut by fixed leg top second screw thread and the fixed leg winding together.
Described extracting tool also comprises connector, and described hook is located on the described fixed leg by the connector group; Described connector is offered porose, and by the hole, is sheathed on the described fixed leg, and described hook is mounted on the described connector.
Described connector is the rectangle framework, and described hook and described connector are connected with group by screw or welding ground mode,
Or described hook colludes and carry out winding on connector after bending by an end.
Described hook comprises arm and hook part.The hook part of described hook is two or more.
The upper surface of described fixed leg offers groove, and an end of described elastic force apparatus is arranged in the groove of described fixed leg, and described hook is connected the other end of described elastic force apparatus.
One side of described fixed leg is offered longitudinal fluting, and described elastic force apparatus is arranged in the described longitudinal fluting, and described hook is connected the top of described elastic force apparatus.
Described fixed leg is provided with first bending place, and described elastic force apparatus is a spring, and described spring housing is located on the described fixed leg, and the lower end of described spring is connected to described first bending place.
Described fixed leg is provided with second bending place, and described elastic force apparatus is a spring, and described spring housing is located on the described fixed leg, and the upper end of described hook is connected to described second bending place, and the upper end of described spring is connected on the described hook.
The upper end of described fixed leg is provided with second stop section, and described second stop section is positioned at the downside of elastic force apparatus, and the lower end of described elastic force apparatus is connected to described second stop section.
Described elastic force apparatus is mounted on the top of fixed leg, and described hook is connected an end of described elastic force apparatus.
Described fixed leg lower end is provided with the auxiliary section, and circuit board is provided with mating holes, and the auxiliary section of described fixed leg is connected to described mating holes.
Adopt this extracting tool to have following advantage:
1) can utilize reflow ovens to heat, the heat of reflow ovens is supplied with big, can make the fast rise of device weld point temperature, avoids device to be exposed in the hot environment for a long time; Device heats is even, and the temperature of each point is comparatively approaching, has reduced device because the moderate finite deformation of the bigger generation of temperature contrast; Circuit board is homogeneous heating in the backflow stove, and the temperature contrast of each point is little, and the circuit board distortion is also less.
2) when solder joint melts, can in time device to be removed be disassembled from circuit board.Avoided the pad of dismounting improper generation on opportunity to come off, the problem of device damage.
The utility model has adopted a kind of extracting tool, is used for the dismounting of device, and described extracting tool comprises: fixed leg is fixed on the circuit board; Elastic force apparatus, winding is on described fixed leg; Hook is arranged at an end of elastic force apparatus; Wherein, described elastic force apparatus under external force, strain takes place after, described elastic force apparatus is close to circuit board together near an end and the hook of hook; After external force was cancelled, described elastic force apparatus was under the elastic-restoring force effect, and described elastic force apparatus moves to the direction away from circuit board together near an end and the hook of hook.Send circuit board, device to be removed and extracting tool to the reflow ovens heating together, along with temperature rises, the solder joint fusing, adhesive force between device to be removed and the circuit board disappears, the hook that the restoring force of spring assembly device to be removed to clamping produces a pulling force that makes progress, so can successfully device to be removed be separated with circuit board.
When the utility model had overcome the method dismounting device of available technology adopting craft, dismounting was difficult to assurance opportunity and has dismantled strength and be difficult to shortcomings such as accurately control, had reached when solder joint melts the effect that device to be removed is in time separated with circuit board.
Description of drawings
Fig. 1 is to the side heat schematic diagram of device and circuit board in the prior art;
Fig. 2 is that schematic diagram is heated in the front to device and circuit board in the prior art;
Fig. 3 is the structural representation of first preferred implementation of the utility model extracting tool;
Fig. 4 is the structure cutaway view of second preferred implementation of the utility model extracting tool;
Fig. 5 is the structure cutaway view of the 3rd preferred implementation of the utility model extracting tool;
Fig. 6 is the structural representation of the 4th preferred implementation of the utility model extracting tool;
Fig. 7 is the structural representation of the 5th preferred implementation of the utility model extracting tool;
Fig. 8 is the structural representation of the 6th preferred implementation of the utility model extracting tool;
Fig. 9 is the structural representation of the 7th preferred implementation of the utility model extracting tool;
The specific embodiment
Below in conjunction with drawings and the specific embodiments the utility model is described in detail.
A kind of extracting tool that the utility model embodiment is provided comprises:
Fixed leg is fixed on the circuit board;
Elastic force apparatus, winding is on described fixed leg;
Hook is positioned at an end of described elastic force apparatus;
Wherein, described elastic force apparatus under external force, strain takes place after, described elastic force apparatus is close to circuit board together near an end and the hook of hook; After external force was cancelled, described elastic force apparatus was under the elastic-restoring force effect, and described elastic force apparatus moves to the direction away from circuit board together near an end and the hook of hook.
In dismounting during device, the fixed leg of extracting tool is fixed on the circuit board, fixed leg can be installed in all sides that are disassembled device so that dismantle device better.At first, hook and elastic force apparatus are applied a downward active force, elastic force apparatus generation strain, generally speaking, described elastic force apparatus is spring, spring leaf or other rubber-like devices.After described elastic force apparatus is subjected to external force, its end and hook near hook moves to circuit board together, when hook moves to the scratching part position of the device that is disassembled, hook is colluded on the scratching part position that is held in device to be removed, generally speaking, the position that can cooperate with hook for the bottom side of device to be removed or the groove on the device to be removed, hole etc., described scratching part position.
Hook is under the effect of the restoring force of elastic device, treat the dismounting device and produce a pulling force that makes progress, owing between device to be removed and the circuit board still unfused solder joint is arranged, so device to be removed can produce a downward pressure to colluding the hook that is held on the device to be removed, the pulling force of hook can not make device breaking circuit plate to be removed.
Then, send circuit board, device to be removed and extracting tool to the reflow ovens heating together, generally speaking, described reflow ovens can be vapour phase reflow ovens/hot air reflux stove/various types of reflow ovens such as infrared heating reflow ovens, as long as stove can carry out the integral body heating with device to be removed and circuit board.In the reflow ovens the inside, along with the rising of temperature, the solder joint between device to be removed and the circuit board can begin slowly to melt, adhesive force between device to be removed and the circuit board can fade away, at this moment, device to be removed is under the effect of the pulling force of hook, and meeting is the breaking circuit plate slowly.When the solder joint between device to be removed and the circuit board melts fully, the adhesive force meeting complete obiteration between device to be removed and the circuit board, at this moment, device to be removed separates fully with circuit board under the effect of the pulling force of hook.
First preferred implementation, described fixed leg (4) is a cylinder, described fixed leg (4) bottom is provided with first screw thread, circuit board is provided with screwed hole, described screwed hole is a circular hole, and described fixed leg (4) matches with the screwed hole of circuit board by first screw thread, is fixed on the circuit board.Further, described extracting tool also comprises first nut (6), after described fixed leg (4) passes the circular hole of described circuit board, first thread set of first nut (6) by fixed leg (4) bottom is located on the fixed leg (4), thereby fixed leg (4) is securely fixed on the circuit board more.Further, be provided with convex (5) in fixed leg (4) bottom, after described fixed leg (4) passes the circular hole of described circuit board, described convex (5) is connected on the upper surface of circuit board, like this, first nut (6) and convex (5) are clamped in the circuit board both sides, thereby assurance fixed leg (4) is further stablized winding with circuit board.
Further, described elastic force apparatus (3) is a spring, is sheathed on the described fixed leg (4); Described hook (7) is offered porose, and by the hole, is set on the described fixed leg (4), and described hook (7) is connected to the upper end of described spring, and after applying a downward external force on the hook (7), described hook (7) moves down, and described spring is compressed; After external force was cancelled, hook (7) moved up under the effect of spring restoring force.Further, on fixed leg (4) top first stop section is set, described first stop section is positioned at the upside of hook (7), when external force is cancelled, when spring returns to free state, described hook (7) is connected on described first stop section, and the block effect is played to hook (7) and spring in described first stop section, avoids described hook (7) and spring to break away from fixed leg (4).Further, described fixed leg (4) top is provided with second screw thread, and described first stop section is second nut (1), described second nut (1) by fixed leg (4) top second screw thread and fixed leg (4) winding together.Further, described extracting tool also comprises connector (2), and described hook (7) is located on the described fixed leg (4) by connector (2) group.Described connector (2) is offered porose, and by the hole, is sheathed on the described fixed leg (4), and described hook (7) is mounted on the described connector (2).Further, described connector (2) is the rectangle framework, and described hook (7) is connected with group by screw or welding ground mode with described connector (2), and in addition, described hook (7) also can collude on connector (2) and carry out winding by after the end bending.Further, hook (7) is evenly distributed on the frame of connector (2), and being provided with like this is in order to make device to be removed stressed evenly, gravity balance.Further, described hook (7) comprises arm and hook part, colludes by described hook part and holds device to be removed.The hook part of described hook (7) can be two or more, and described a plurality of hook parts are colluded respectively and are held on the device to be removed, can guarantee to treat the dismounting device like this and firmly collude and hold.Described hook part can be symmetrical arranged, like this can be so that device to be removed is stressed steadily.。
Second preferred implementation, described fixed leg (41) is a cylinder, described fixed leg (41) bottom is provided with first screw thread, circuit board is provided with screwed hole, described screwed hole is a circular hole, and described fixed leg (41) matches with the screwed hole of circuit board by first screw thread, is fixed on the circuit board.Further, described extracting tool also comprises first nut, after described fixed leg (41) passes the circular hole of described circuit board, first thread set of first nut by fixed leg (41) bottom is located on the fixed leg (41), thereby fixed leg (41) is securely fixed on the circuit board more.Further, be provided with convex in fixed leg (41) bottom, after described fixed leg (41) passes the circular hole of described circuit board, described convex is connected on the upper surface of circuit board, like this, first nut and convex are clamped in the circuit board both sides, thereby assurance fixed leg (41) is further stablized winding with circuit board.
Upper surface at described fixed leg (41) offers groove, one end of described elastic force apparatus (31) is arranged in the groove of fixed leg (41), described hook (71) is connected the other end of described elastic force apparatus (31), after elastic force apparatus (31) applied a downward external force, the hook (71) that is connected on the described elastic force apparatus (31) moves down, and described elastic force apparatus (31) is compressed; After external force was cancelled, hook (71) moved up under the effect of elastic force apparatus (31) restoring force.Further, described hook (7) comprises arm and hook part, colludes by described hook part and holds device to be removed.The hook part of described hook (7) can be two or more, and described a plurality of hook parts are colluded respectively and are held on the device to be removed, can guarantee to treat the dismounting device like this and firmly collude and hold.Described hook part can be symmetrical arranged, like this can be so that device to be removed is stressed steadily.
The 3rd preferred implementation, described fixed leg (42) is a cylinder, described fixed leg (42) bottom is provided with first screw thread, circuit board is provided with screwed hole, described screwed hole is a circular hole, and described fixed leg (42) matches with the screwed hole of circuit board by first screw thread, is fixed on the circuit board.Further, described extracting tool also comprises first nut, after described fixed leg (42) passes the circular hole of described circuit board, first thread set of first nut by fixed leg (42) bottom is located on the fixed leg (42), thereby fixed leg (42) is securely fixed on the circuit board more.Further, be provided with convex in fixed leg (42) bottom, after described fixed leg (42) passes the circular hole of described circuit board, described convex is connected on the upper surface of circuit board, like this, first nut and convex are clamped in the circuit board both sides, thereby assurance fixed leg (42) is further stablized winding with circuit board.
Side at described fixed leg (42) is offered longitudinal fluting, described elastic force apparatus (32) is arranged in the described longitudinal fluting, described hook (72) is connected the top of described elastic force apparatus (32), after applying a downward external force on the hook (72), described hook (72) moves down, and described elastic force apparatus (32) is compressed; After external force was cancelled, hook (72) moved up under the effect of elastic force apparatus (32) restoring force.Further, described hook (7) comprises arm and hook part, colludes by described hook part and holds device to be removed.The hook part of described hook (7) can be two or more, and described a plurality of hook parts are colluded respectively and are held on the device to be removed, can guarantee to treat the dismounting device like this and firmly collude and hold.Described hook part can be symmetrical arranged, like this can be so that device to be removed is stressed steadily.
The 4th preferred implementation, described fixed leg (43) is a cylinder, described fixed leg (43) bottom is provided with first screw thread, circuit board is provided with screwed hole, described screwed hole is a circular hole, and described fixed leg (43) matches with the screwed hole of circuit board by first screw thread, is fixed on the circuit board.Further, described extracting tool also comprises first nut, after described fixed leg (43) passes the circular hole of described circuit board, first thread set of first nut by fixed leg (43) bottom is located on the fixed leg (43), thereby fixed leg (43) is securely fixed on the circuit board more.Further, be provided with convex in fixed leg (43) bottom, after described fixed leg (43) passes the circular hole of described circuit board, described convex is connected on the upper surface of circuit board, like this, first nut and convex are clamped in the circuit board both sides, thereby assurance fixed leg (43) is further stablized winding with circuit board.
Further, described fixed leg (43) is provided with first bending place (93), and described elastic force apparatus (33) is a spring, and described spring housing is located on the described fixed leg (43), and the lower end of described spring is connected to described first bending place (93).Described hook (73) is offered porose, and by the hole, is sheathed on the described fixed leg (43), open described hook (73) and be connected to the upper end of described spring, after applying a downward external force on the hook (73), described hook (73) moves down, and described spring is compressed; After external force was cancelled, hook (73) moved up under the effect of spring restoring force.Further, on fixed leg (43) top second nut (11) is set, described second nut (11) is positioned at the upside of hook (73), avoids described hook (73) and spring to break away from fixed leg (43).Further, described fixed leg (43) top is provided with second screw thread, described second nut (11) by fixed leg (43) top second screw thread and fixed leg (43) winding together.Further, described extracting tool also comprises connector (21), and described hook (73) is located on the described fixed leg (43) by connector (21) group.Described connector (21) is offered porose, and by the hole, is sheathed on the described fixed leg (43), and described hook (73) is mounted on the described connector (21).Further, described connector (21) is the rectangle framework, and described hook (73) is connected with group with the mode of described connector (21) by screw or welding, in addition, described hook (73) also can collude on connector (21) and carry out winding by after the end bending.Further, hook (73) is evenly distributed on the frame of connector (21), and being provided with like this is in order to make device to be removed stressed evenly, gravity balance.Further, described hook (7) comprises arm and hook part, colludes by described hook part and holds device to be removed.The hook part of described hook (7) can be two or more, and described a plurality of hook parts are colluded respectively and are held on the device to be removed, can guarantee to treat the dismounting device like this and firmly collude and hold.Described hook part can be symmetrical arranged, like this can be so that device to be removed is stressed steadily.
The 5th preferred implementation, described fixed leg (44) is a cylinder, described fixed leg (44) bottom is provided with first screw thread, circuit board is provided with screwed hole, described screwed hole is a circular hole, and described fixed leg (44) matches with the screwed hole of circuit board by first screw thread, is fixed on the circuit board.Further, described extracting tool also comprises first nut, after described fixed leg (44) passes the circular hole of described circuit board, first thread set of first nut by fixed leg (44) bottom is located on the fixed leg (44), thereby fixed leg (44) is securely fixed on the circuit board more.Further, be provided with convex in fixed leg (44) bottom, after described fixed leg (44) passes the circular hole of described circuit board, described convex is connected on the upper surface of circuit board, like this, first nut and convex are clamped in the circuit board both sides, thereby assurance fixed leg (44) is further stablized winding with circuit board.
Further, at an end of fixed leg (44) second stop section is set, described second stop section is positioned at the downside of elastic force apparatus (34), and the lower end of described elastic force apparatus (34) is connected to described second stop section.Further, described fixed leg (44) top is provided with second screw thread, and described second stop section is second nut (12), described second nut (12) by fixed leg (44) top second screw thread and fixed leg (44) winding together.
Further, described elastic force apparatus (34) is a spring, is sheathed on the described fixed leg (44); Described hook (74) is offered porose, and by the hole, is sheathed on the described fixed leg (44), the upper end of described spring is connected on the described hook (74), after applying a downward external force on the hook (74), described hook (74) moves down, and described spring is compressed; After external force was cancelled, hook (74) moved up under the effect of spring restoring force.Further, be provided with second bending place (104) at fixed leg (44), the upper end of described hook (74) is connected to described second bending place (104), avoids described hook (74) and spring to break away from fixed leg (44).Further, described extracting tool also comprises connector (22), and described hook (74) is located on the described fixed leg (44) by connector (22) group.Described connector (22) is offered porose, and by the hole, is sheathed on the described fixed leg (44), and described hook (74) is mounted on the described connector (22).Further, described connector (22) is the rectangle framework, and described hook (74) is connected with group with the mode of described connector (22) by screw or welding, in addition, described hook (74) also can collude on connector (22) and carry out winding by after the end bending.Further, hook (74) is evenly distributed on the frame of connector (22), and being provided with like this is in order to make device to be removed stressed evenly, gravity balance.Further, described hook (7) comprises arm and hook part, colludes by described hook part and holds device to be removed.The hook part of described hook (7) can be two or more, and described a plurality of hook parts are colluded respectively and are held on the device to be removed, can guarantee to treat the dismounting device like this and firmly collude and hold.Described hook part can be symmetrical arranged, like this can be so that device to be removed is stressed steadily.
The 6th preferred implementation, described elastic force apparatus (35) is mounted on the top of fixed leg (45), and described hook (75) is connected an end of described elastic force apparatus (35).After applying a downward external force on the hook (75), described hook (75) moves down, and described elastic force apparatus (35) is stretched; After external force was cancelled, hook (75) moved up under the effect of elastic force apparatus (35) restoring force.
Further, described hook (7) comprises arm and hook part, colludes by described hook part and holds device to be removed.The hook part of described hook (7) can be two or more, and described a plurality of hook parts are colluded respectively and are held on the device to be removed, can guarantee to treat the dismounting device like this and firmly collude and hold.Described hook part can be symmetrical arranged, like this can be so that device to be removed is stressed steadily.
The 7th preferred implementation, described fixed leg (46) lower end is provided with auxiliary section (8), and described circuit board is provided with mating holes, and the auxiliary section (8) of described fixed leg (46) is connected to described mating holes.Described elastic force apparatus (36) is mounted on the top of fixed leg (46), and described hook (76) is connected an end of described elastic force apparatus (36).After applying a downward external force on the hook (76), described hook (76) moves down, and described elastic force apparatus (36) is stretched; After external force was cancelled, hook (76) moved up under the effect of elastic force apparatus (36) restoring force.
Further, described hook (7) comprises arm and hook part, colludes by described hook part and holds device to be removed.The hook part of described hook (7) can be two or more, and described a plurality of hook parts are colluded respectively and are held on the device to be removed, can guarantee to treat the dismounting device like this and firmly collude and hold.Described hook part can be symmetrical arranged, like this can be so that device to be removed is stressed steadily.
In actual applications, the fixed leg lower end is provided with a plurality of fixing feet, and described fixing feet is provided with the auxiliary section, and described circuit board is provided with mating holes, and the auxiliary section of described fixing feet is connected to described mating holes.Further, described fixing feet is evenly distributed on the circuit board, and being provided with like this is for a more firm support force is provided to fixed leg.
When the utility model had overcome the method dismounting device of available technology adopting craft, dismounting was difficult to assurance opportunity and has dismantled strength and be difficult to shortcomings such as accurately control, had reached when solder joint melts the effect that device to be removed is in time separated with circuit board.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (15)
1, a kind of extracting tool is used for the dismounting of device, it is characterized in that, described extracting tool comprises:
Fixed leg is fixed on the circuit board;
Elastic force apparatus, winding is on described fixed leg;
Hook is positioned at an end of described elastic force apparatus;
Wherein, described elastic force apparatus under external force, strain takes place after, described elastic force apparatus is close to circuit board together near an end and the hook of hook; After external force was cancelled, described elastic force apparatus was under the elastic-restoring force effect, and described elastic force apparatus moves to the direction away from circuit board together near an end and the hook of hook.
2, extracting tool as claimed in claim 1 is characterized in that, is provided with first screw thread in the bottom of described fixed leg, offers screwed hole on described circuit board; First screw thread by described fixed leg matches with the screwed hole of circuit board, and described fixed leg is fixed on the described circuit board.
3, extracting tool as claimed in claim 1 or 2 is characterized in that, described extracting tool also comprises first nut, after described fixed leg passes the screwed hole of described circuit board, first thread set of first nut by the fixed leg bottom is located on the described fixed leg.
As claim 2 or 3 described extracting tools, it is characterized in that 4, described fixed leg bottom is provided with convex, after described fixed leg passed the screwed hole of described circuit board, described convex was connected on the upper surface of circuit board.
5, as claim 1,2,3 or 4 described extracting tools, it is characterized in that described elastic force apparatus is a spring, be sheathed on the described fixed leg; Described hook is offered porose, and by described hole, is sheathed on the described fixed leg, and described hook is connected to the upper end of described spring.
6, extracting tool as claimed in claim 5 is characterized in that, described fixed leg top is provided with first stop section, and described first stop section is positioned at the upside of hook.
As claim 1 or 6 described extracting tools, it is characterized in that 7, described fixed leg top is provided with second screw thread, described stop section is second nut, described second nut by fixed leg top second screw thread and the fixed leg winding together.
8, extracting tool as claimed in claim 1 is characterized in that, described extracting tool also comprises connector, and described hook is located on the described fixed leg by the connector group; Described connector is offered porose, and by the hole, is sheathed on the described fixed leg, and described hook is mounted on the described connector.
9, extracting tool as claimed in claim 8 is characterized in that, described connector is the rectangle framework, and described hook and described connector are connected with group by screw or welding manner;
Or described hook colludes and carry out winding on connector after bending by an end.
10, extracting tool as claimed in claim 1 is characterized in that, offers groove at the upper surface of described fixed leg, and an end of described elastic force apparatus is arranged in the groove of described fixed leg, and described hook is connected the other end of described elastic force apparatus.
11, extracting tool as claimed in claim 1 is characterized in that, a side of described fixed leg is offered longitudinal fluting, and described elastic force apparatus is arranged in the described longitudinal fluting, and described hook is connected the top of described elastic force apparatus.
12, extracting tool as claimed in claim 1 is characterized in that, described fixed leg is provided with first bending place, and described elastic force apparatus is a spring, and described spring housing is located on the described fixed leg, and the lower end of described spring is connected to described first bending place.
13, extracting tool as claimed in claim 1 is characterized in that, described fixed leg is provided with second bending place, described elastic force apparatus is a spring, described spring housing is located on the described fixed leg, and the upper end of described hook is connected to described second bending place, and the upper end of described spring is connected on the described hook.
14, extracting tool as claimed in claim 13 is characterized in that, at an end of described fixed leg second stop section is set, and described second stop section is positioned at the downside of spring, and the lower end of described spring is connected to described second stop section.
15, extracting tool as claimed in claim 1 is characterized in that, described elastic force apparatus is mounted on the top of fixed leg, and described hook is connected an end of described elastic force apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015128 CN200960577Y (en) | 2006-09-30 | 2006-09-30 | Dismounting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015128 CN200960577Y (en) | 2006-09-30 | 2006-09-30 | Dismounting tool |
Publications (1)
| Publication Number | Publication Date |
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| CN200960577Y true CN200960577Y (en) | 2007-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620015128 Expired - Fee Related CN200960577Y (en) | 2006-09-30 | 2006-09-30 | Dismounting tool |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522289A (en) * | 2011-12-30 | 2012-06-27 | 四川虹欧显示器件有限公司 | Method and device for separating front baseplate and back baseplate of plasma display panel |
| CN102784992A (en) * | 2012-09-03 | 2012-11-21 | 郝晨宇 | Electrical element unsoldering claw |
| CN111745255A (en) * | 2020-06-28 | 2020-10-09 | 温州医科大学附属眼视光医院 | Convenient maintenance platform of medical instrument spare part |
-
2006
- 2006-09-30 CN CN 200620015128 patent/CN200960577Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102522289A (en) * | 2011-12-30 | 2012-06-27 | 四川虹欧显示器件有限公司 | Method and device for separating front baseplate and back baseplate of plasma display panel |
| CN102784992A (en) * | 2012-09-03 | 2012-11-21 | 郝晨宇 | Electrical element unsoldering claw |
| CN111745255A (en) * | 2020-06-28 | 2020-10-09 | 温州医科大学附属眼视光医院 | Convenient maintenance platform of medical instrument spare part |
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20071017 Termination date: 20100930 |