CN202757956U - Rotatable edge sensor - Google Patents

Rotatable edge sensor Download PDF

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Publication number
CN202757956U
CN202757956U CN 201220376554 CN201220376554U CN202757956U CN 202757956 U CN202757956 U CN 202757956U CN 201220376554 CN201220376554 CN 201220376554 CN 201220376554 U CN201220376554 U CN 201220376554U CN 202757956 U CN202757956 U CN 202757956U
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CN
China
Prior art keywords
rotating unit
seeking
described rotating
limit device
fixed cell
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Expired - Fee Related
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CN 201220376554
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Chinese (zh)
Inventor
廖惇材
彭柏翰
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MJC Probe Inc
MPI Corp
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MJC Probe Inc
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Priority to CN 201220376554 priority Critical patent/CN202757956U/en
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Abstract

The utility model relates to a rotatable edge sensor, including a pedestal, a cantilever arranged to the pedestal and a probe arranged to the cantilever and characterized in that the pedestal includes a fixing unit and a rotation unit which can rotatably arranged to the fixing unit; the cantilever is arranged to the rotation unit. Accordingly, the cantilever and the probe can rotate with the rotation of the rotation unit of the pedestal to depart from a position where point contact operation is performed and provide convenience for adjacent other edge sensors to replace probes.

Description

The rotating limit device of seeking
Technical field
The utility model with utilize that probe (probe) detects that spot measurement device (prober) such as semiconductor grain performances such as light emitting diodes carries to seek limit device (edge sensor) relevant, refer to especially a kind of rotating limit device of seeking.
Background technology
Spot measurement device is a kind of equipment that utilizes the performance of probe in detecting such as the semiconductor grain performances such as light emitting diode or characterisitic parameter.Spot measurement device includes at least one limit device of seeking usually, as shown in Figures 1 and 2, limit device 100 includes a pedestal 110, a cantilever 120, is connected in the flexure strip 130 between pedestal 110 and the cantilever 120 for seeking of commonly using, an and probe 140 that is arranged at cantilever 120 1 ends, also be provided with an adjustable pre-power applicator 150 between cantilever 120 and the pedestal 110, and two electric conductor 160,170, two electric conductors 160,170 that are fixedly arranged on respectively cantilever 120 and pedestal 110 be subjected to the pre-power effect that pre-power applicator 150 applies and keep in touch and electrically conduct.
When limit device 100 was sought in use, its probe 140 and a test machine were electrically connected.But driving, the feed mechanism by a up-and-down movement seeks that limit device 100 descends or but the plummer by a up-and-down movement drives a determinand (Device Under Test) and rises, probe 140 can contact with this determinand, make test machine can export the test signal and receive test result to determinand and from this determinand, to detect or to verify the circuit good and the bad or the electrical specification of determinand.
When its reacting force overcomes this pre-power in case probe 140 bestows that the pin of determinand is pressed (probing force), to cause cantilever 120 to swing and flexure strip 130 elastic bending deflections, so that two electric conductors 160,170 are separated from each other and open circuit, simultaneously, in case spot measurement device detect two electric conductors 160,170 signals that open circuit then stop immediately aforementioned feed motion.Thus, seek limit device 100 and can guarantee that probe 140 can really contact and apply and necessarily compress strength on determinand, and, seek pin that limit device 100 also can avoid 140 pairs of determinands of probe to execute and press excessive and cause determinand or probe 140 damages.
Same spot measurement device is set up a plurality of foregoing limit devices of seeking, to touch a plurality of electrical contacts of same determinand with time point, perhaps touch a plurality of determinands with time point, the position configuration of respectively seeking the limit device need cooperate the position of the tactile electrical contact of its main points, it is normal so that its probe is considerably close to each other, thus, do not disassemble from spot measurement device if will not seek the limit device, change operation just difficult carries out probe.In other words, the limit device of seeking of commonly using easily causes its other contiguous probes replacing operations of seeking the limit device to be difficult for carrying out, and therefore still remains to be improved.
Summary of the invention
For the problems referred to above, fundamental purpose of the present utility model is to provide a kind of rotating limit device of seeking, and the position when it can make its cantilever and probe leave that a little tactile operation is carried out by rotation is carried out probe and changed so that its contiguous other are sought the limit device.
For achieving the above object, a kind of rotating limit device of seeking provided by the utility model includes the cantilever that a pedestal, is arranged at described pedestal, and a probe that is arranged at described cantilever; It is characterized in that: described pedestal includes a fixed cell, and a rotating unit that can be arranged at rotationally described fixed cell, and described cantilever is arranged at described rotating unit.
In the above-mentioned the technical solution of the utility model, also include the rotating shaft of a described fixed cell of connection and described rotating unit, described rotating unit can be subjected to external force from an initial position and rotate around described rotating shaft, described cantilever is in fact the attitude of level when described rotating unit is positioned at reference position, described rotating shaft is in fact level and the attitude vertical with described cantilever.
Described fixed cell has a front stopping surface, and when described rotating unit was positioned at described reference position, the front stopping surface of described fixed cell was towards described probe, and described rotating unit is against described front stopping surface.
Described fixed cell also has a upper stopping surface that is positioned at described front stopping surface top, and described rotating unit is kept out by described upper stopping surface can when rotating with a predetermined direction and stop scheduling an extreme position.
Also include a magnetic assembly, described magnetic assembly has two members that can inhale mutually, described two members are arranged at respectively described fixed cell and described rotating unit, when described cantilever along with the rotation of described rotating unit swing when being in fact vertical attitude, described two members of described magnetic assembly are inhaled mutually, make described cantilever remain on the attitude that is in fact vertical.
The member that described magnetic assembly is arranged at described fixed cell is a magnet, and the member that described magnetic assembly is arranged at described rotating unit is a magnetic conductive part.
Described magnetic conductive part is the screw that is locked on described rotating unit.
Described rotating shaft is arranged in described rotating unit, and the tail end of described magnetic conductive part is resisted against described rotating shaft.
Also include the magnet that another is arranged at described rotating unit, described two magnet are for inhaling mutually or repel each other, so that a strength that acts on described rotating shaft to be provided.
Described fixed cell includes a connection piece, and described web member has a roof, a right side wall and a left side wall, and described left and right sidewall is equiped with respectively a bearing, and described rotating shaft is arranged in described two bearings; Described rotating unit includes a tumbler, and described tumbler is between the left and right sidewall of described web member and affixed with described rotating shaft, and described tumbler has a top corresponding with the roof of described web member, and a bottom that is connected with described cantilever; The magnet of described magnetic assembly and magnetic conductive part are located at respectively the roof of described web member and a leading flank of described tumbler.
The described limit device of seeking also includes the magnet that another is arranged at described tumbler top, and described two magnet are for inhaling mutually or repel each other, so that a strength that acts on described rotating shaft to be provided.
Described fixed cell also includes a locating part that can be arranged in movably the roof of described web member between an active position and a non-working position; When described locating part was positioned at described active position and described rotating unit and rotates with a predetermined direction, described locating part can be supported described rotating unit to limit the rotational angle of described rotating unit; When described locating part was positioned at described non-working position, described locating part left described rotating unit.
Described fixed cell includes a connection piece, and described web member has a roof, a right side wall and a left side wall, and described left and right sidewall is equiped with respectively a bearing, and described rotating shaft is arranged in the described bearing; Described rotating unit includes a tumbler, and described tumbler is between the left and right sidewall of described web member and affixed with described rotating shaft, and described tumbler has a top corresponding with the roof of described web member, and a bottom that is connected with described cantilever; Described two members of described magnetic assembly are located at respectively the roof of described web member and a leading flank of described tumbler.
Described fixed cell also is provided with a locating part that can move between an active position and a non-working position; When described locating part was positioned at described active position and described rotating unit and rotates with a predetermined direction, described locating part can be supported described rotating unit to limit the rotational angle of described rotating unit; And when described locating part was positioned at described non-working position, described locating part left described rotating unit.
Also include the rotating shaft of a described fixed cell of connection and described rotating unit, described rotating unit can be subjected to external force from an initial position and rotate around described rotating shaft, described cantilever is in fact the attitude of level when described rotating unit is positioned at reference position, described rotating shaft is in fact vertical attitude.
Described fixed cell has a front stopping surface, described rotating unit has a rear abutment face, when described rotating unit was positioned at described reference position, the front stopping surface of described fixed cell was towards described probe, and the rear abutment face of described rotating unit is against described front stopping surface.
Described rotating unit also has a side abutment face, can be subjected to the front stopping surface of described fixed cell to keep out and stop due to an extreme position with its side abutment face when described rotating unit rotates with a predetermined direction.
Described rotating shaft can be arranged at a primary importance and a second place one of them, described rotating unit can rotate with one first predetermined direction from described reference position when described rotating shaft is arranged at described primary importance, and described rotating unit can rotate with second predetermined direction opposite with described the first predetermined direction from described reference position when described rotating shaft is arranged at the described second place.
Described rotating unit also has one first side abutment face and one second side abutment face; When described rotating shaft was arranged at described primary importance and described rotating unit and rotates with described the first predetermined direction, described rotating unit can be subjected to the front stopping surface of described fixed cell to keep out and stop due to one first extreme position with described the first side abutment face; When described rotating shaft was arranged at the described second place and described rotating unit and rotates with described the second predetermined direction, described rotating unit can be subjected to the front stopping surface of described fixed cell to keep out and stop due to one second extreme position with described the second side abutment face.
Adopt technique scheme, cantilever of the present utility model and probe can rotate the position of leaving when a little tactile operation is carried out with the rotating unit of pedestal, seek the probe of limit device with other that are close to away from it, are easier to carry out so that probe is changed operation.
Description of drawings
Fig. 1 is the three-dimensional combination figure of seeking the limit device of commonly using;
Fig. 2 is the side view of seeking the limit device shown in Figure 1;
Fig. 3 is the better three-dimensional combination figure of the utility model one first;
Fig. 4 is the three-dimensional exploded view of this first preferred embodiment of the utility model;
Fig. 5 is the side view of this first preferred embodiment of the utility model, shows that this rotating unit of seeking limit device one pedestal is positioned at the state of an initial position;
Fig. 6 is analogous to Fig. 5, shows that this rotating unit is positioned at the state of an extreme position;
Fig. 7 one includes the rotating schematic perspective view of seeking the spot measurement device of limit device that this first preferred embodiment of four the utility model provides, and the rotating unit of wherein respectively seeking the limit device all is positioned at reference position;
Fig. 8 is analogous to Fig. 7, shows that this spot measurement device only wherein one seeks the limit device and be positioned at reference position;
Fig. 9 is the three-dimensional combination figure of the utility model one second preferred embodiment;
Figure 10 is the three-dimensional exploded view of this second preferred embodiment of the utility model;
Figure 11 is this second better cut-open view of the utility model, shows that this rotating unit of seeking limit device one pedestal is positioned at the state of an initial position;
Figure 12 is analogous to Figure 11, shows that this rotating unit is positioned at the state of an extreme position;
Figure 13 is the three-dimensional combination figure of the utility model 1 the 3rd preferred embodiment;
Figure 14 is the three-dimensional exploded view of the utility model the 3rd preferred embodiment;
Figure 15 is the vertical view of the utility model the 3rd preferred embodiment, shows that this rotating unit of seeking limit device one pedestal is positioned at the state of an initial position;
Figure 16 is analogous to Figure 15, shows that this rotating unit is positioned at the state of one first extreme position;
Figure 17 is analogous to Figure 15, shows that this rotating unit is positioned at the state of one second extreme position;
Figure 18 includes the rotating schematic perspective view of seeking the spot measurement device of limit device that four the utility model the 3rd preferred embodiments provide for one, and the rotating unit of wherein respectively seeking the limit device all is positioned at reference position;
Figure 19 is analogous to Figure 18, shows that this spot measurement device only wherein one seeks the limit device and be positioned at reference position.
Embodiment
In order to describe structure of the present utility model, Characteristic in detail, the existing following preferred embodiment of act also cooperates description of drawings as follows.
The applicant at first this explanation, the following embodiment that will introduce and graphic in, identical reference number represents same or similar element or its architectural feature.
To shown in Figure 6, the rotating limit device 11 of seeking that the utility model one first preferred embodiment provides includes a pedestal 20, a cantilever 30, a probe 40, a pre-power applying unit 50, and a conductive unit 60 such as Fig. 3.
Pedestal 20 includes a fixed cell 22, a rotating unit 24, and a rotating shaft 26, and fixed cell 22 includes a fixture 222, and rotating unit 24 includes a tumbler 242 and a driven member 244.Driven member 244, cantilever 30, probe 40, pre-power applying unit 50 and conductive unit 60 are same as the prior art.
Fixture 222 has a cross section and is trapezoidal body 222a, and two from the body 222a connecting portion 222b of downward-sloping extension also forward, two connecting portion 222b are respectively equipped with perforation 222c and a screw 222d who runs through, each connecting portion 222b has respectively a front stopping surface 222e, and a upper stopping surface 222f who is positioned at front stopping surface 222e top.
Tumbler 242 has a cross section and is trapezoidal body 242a, and one from body 242a backward and the connecting portion 242b that is inclined upwardly and extends, and connecting portion 242b is provided with an axis hole 242c who in fact flatly runs through connecting portion 242b.Driven member 244 is screwed in tumbler 242 bottoms.
The perforation 222c of fixture 222 and the axis hole 242c of tumbler 242 are sequentially passed in rotating shaft 26, the screw 222d that is spirally connected and is fixed in fixture 222 with the threaded portion 262 of one end again.
Cantilever 30 includes a flexure strip 32, a front boom spare 34 and a back boom spare 36, flexure strip 32 first halves are fixed in driven member 244 front sides by screwed lock, and front boom spare 34 and back boom spare 36 are installed in respectively front side and the rear side of flexure strip 32 Lower Halves by screw.Probe 40 is arranged at front boom spare 34.
Pre-power applying unit 50 includes the magnet (not shown) that a bolt 52, that is arranged in driven member 244 is located at bolt 52 bottoms, and one is arranged in back boom spare 36 and the metal screw 54 relative with magnet.Conductive unit 60 includes one and is fixedly arranged on the insulating part 62 of driven member 244 bottoms, and one first electric-conductor 64 and one second electric-conductor 66 that are fixedly arranged on respectively insulating part 62 and back boom spare 36.The magnet of pre-power applying unit 50 and metal screw 54 attract each other generation pre-power so that two electric- conductors 64,66 be in contact with one another and electrically conduct.
When seeking limit device 11 and be in the use state of a little tactile operation, rotating unit 24 is positioned at an initial position P1(as shown in Figure 5), at this moment, cantilever 30 is in fact the attitude of level, the front stopping surface 222e of fixed cell 22 is towards probe 40, and the tumbler 242 of rotating unit 24 is against front stopping surface 222e.
Because rotating shaft 26 is in fact level and the attitude vertical with cantilever 30, when unscrewing rotating shaft 26, rotating unit 24 can be subjected to external force and 26 rotates around the shaft with a predetermined direction D1 from reference position P1, and then make upwards upset of cantilever 30, stop due to an extreme position P2(as shown in Figure 6 until rotating unit 24 is kept out by stopping surface 222f).
When point touches that operation is actual to be carried out, seek limit device 11 and be fixedly arranged on a feed mechanism 70(as shown in Figure 7 with its fixture 222), move axially along three driven by feed mechanism 70, and probe 40 is electrically connected with a test machine (not shown).Seek limit device 11 when putting tactile operation, its rotating unit 24 is positioned at reference position P1 as shown in Figure 5, seek limit device 11 relative determinand (not shown) from top to bottom with the conductive junction point of probe 40 contact measured things, make test machine export determinand to and to receive test result from determinand testing signal, to detect or to verify the circuit good and the bad or the electrical specification of determinand.In the process that continues feeding, in case determinand imposes on the reacting force of probe 40 when overcoming the pre-power that pre-power applying unit 50 applies, cantilever 30 will swing with shell fragment 32 fulcrums, so that two electric conductors 64,66 are separated from each other, and then send the signal that opens circuit and make feed mechanism 70 stop aforementioned feed motion, press excessive the damage to avoid determinand because of the pin that is subjected to probe 40 and is executed.
As shown in Figures 7 and 8, when same spot measurement device is provided with a plurality of limit devices 11 of seeking, and when its probe 40 is considerably close to each other, the user can will change wherein one when seeking the probe 40 of limit device 11, the rotating unit of seeking limit device 11 24 that other are contiguous rotates just and can with each upwards upset of cantilever 30, carry out probe replacing operation to abdicate enough spaces with predetermined direction D1 as shown in Figure 5.
The rotating rotating manner of seeking the limit device provided by the utility model is not limited in the mode that previous embodiment was provided, include a fixed cell and a rotating unit as long as seek the pedestal of limit device, so that the position when being arranged at the cantilever of rotating unit and can rotating and then leave it and carry out surveying operation with rotating unit gets final product.The below enumerates two embodiment again, and the structure of its pedestal is different from the pedestal 20 of aforementioned the first preferred embodiment, but also can reach aforesaid effect.
Extremely shown in Figure 12 such as Fig. 9, the rotating pedestal 80 of seeking limit device 12 that the utility model one second preferred embodiment provides consists predominantly of a fixed cell 82, a rotating unit 84, and two bearings 85 and the rotating shaft 86 that are used for being connected and fixed unit 82 and rotating unit 84.
Fixed cell 82 includes one and is used for the fixture 822 affixed with feed mechanism, and a web member 824 that is fixed in fixture 822 bottoms.The shape of web member 824 is analogous to the driven member 244 in aforementioned the first preferred embodiment, and equally also is equiped with bolt 52 and the magnet of pre-power applying unit 50, and the insulating part 62 of conductive unit 60 and the first electric-conductor 64.Yet the leading section of web member 824 also has by a roof 824a, a right side wall 824b and a left side wall 824c is defined and its front side and bottom side are a storage tank 824d of open shape.
Rotating unit 84 includes a tumbler 842, tumbler 842 has a right flank 842a, a left surface 842b, and an axis hole 842c who runs through left and right side 842b, 842a, tumbler 842 is arranged at storage tank 824d and between left and right sidewall 824c, the 824b of web member 824.Two bearings 85 are installed in respectively left and right sidewall 824c, the 824b of web member 824, rotating shaft 86 is arranged among the axis hole 842c of two bearings 85 and tumbler 842, and tumbler 842 and rotating shaft 86 are to interfix (as shown in figure 11) by a set screw 87 that is locked on tumbler 842 and is resisted against rotating shaft 86.
The forward and backward cantilever part 34 of cantilever 30,36 mutually locks and is locked in the bottom of tumbler 842 by screw.
Thus, rotating shaft 86 is in fact level and the attitude vertical with cantilever 30, therefore, rotating unit 84 can rotate (as shown in figure 11) so that cantilever 30 is in fact the reference position P1 of horizontal attitude with predetermined direction D1 from it, and then make upwards upset of cantilever 30, make its contiguous limit device of seeking can carry out probe and change operation to abdicate enough spaces.
Fixed cell 82 also can be provided with a locating part 826 again, and locating part 826 is one to be arranged in the screw of the roof 824a of web member 824, can be rotated and moves relative to web member 824.When locating part 826 is positioned at as shown in figure 11 an active position P3, can be used for the tumbler 842 that block rotates with predetermined direction D1, with the rotational angle of restriction tumbler 842 when seeking limit device 12 and put tactile operation, to give full play to the function of seeking limit device 12.When locating part 826 is positioned at as shown in figure 12 a non-working position P4, locating part 826 leaves tumbler 842 and does not conflict with tumbler 842, so that tumbler 842 can rotate larger angle with predetermined direction D1, make probe can leave original point and touch the position, so, can abdicate other and seek the required space of device probe replacing operation, limit.
Pedestal 80 also can arrange a magnetic assembly 88 again, and magnetic assembly 88 has two members that can inhale mutually 882,884, that is, two members 882,884 can be magnet, and perhaps two members 882,884 can be a magnet and a magnetic conductive part (for example metal).Two members 882,884 are arranged at respectively the roof 824a of web member 824 and a leading flank 842d of tumbler 842.Thus, when cantilever 30 swing (as shown in figure 12) when being in fact vertical attitude along with the rotation of rotating unit 84, two members 882,884 are for mutually suction, so that cantilever 30 remains on the attitude that is in fact vertical.
In the present embodiment, the member 882 that magnetic assembly 88 is arranged at fixed cell 82 is a magnet, the member 884 that is arranged at rotating unit 84 then is a magnetic conductive part, and magnetic conductive part 884 is for being locked on the screw of tumbler 842, thus, magnetic conductive part 884 more can be with its tail end contact rotating shaft 86, so that tumbler 842 is fixed more firmly with rotating shaft 86 except realizing aforementioned functional.In addition, the top that tumbler 842 is corresponding with roof 824a can arrange another magnet 89 again, when 40 tactile determinands of probe, rotating unit 84 is positioned at reference position P1(as shown in figure 11), at this moment, two magnet 882,89 are tight against bearing 85 for inhaling mutually or repelling each other (depending on that its Magnetic Phase is same or different) up or down so that tumbler 842 drives rotating shafts 86, and then eliminate rotating shaft 86 and the gap of bearing 85 and the gap of bearing 85 and web member 824; In other words, the gap that two magnet 882,89 magnetic force can be eliminated rotating shaft 86 beats causes probe 40 to stay excessive pin trace at determinand to avoid cantilever 30 to produce unexpected swings.
To shown in Figure 17, the rotating pedestal 90 of seeking limit device 13 that the utility model 1 the 3rd preferred embodiment provides includes a fixed cell 92, a rotating unit 94 such as Figure 13, and a rotating shaft 96 that is connected and fixed unit 92 and rotating unit 94.
Fixed cell 92 includes a fixture 922, fixture 922 has a body 922a, and a connecting portion 922c who extends from body 922a one front stopping surface 922b, connecting portion 922c is provided with one first axis hole 922d and the one second axis hole 922e that in fact vertically runs through connecting portion 922c.
Rotating unit 94 includes a tumbler 942, and a driven member 944 that is fixedly arranged on tumbler 942 bottoms.Because the shape of driven member 944 and with cantilever 30, in advance the annexation of power applying unit 50 and conductive unit 60 all the driven member 244 with aforementioned the first preferred embodiment is identical, therefore do not repeat them here.Tumbler 942 has a body 942a, and two connecting portion 942b that extends back from body 942a, wherein a junction 942b is provided with one first perforation 942c and one second perforation 942d, another connecting portion 942b be provided with two respectively with the relative screw 942e of two perforation 942c, 942d.Each connecting portion 942b has a rear abutment face 942f, one first side abutment face 942g and one second side abutment face 942h.
Rotating shaft 96 can be arranged in the first perforation 942c and the first axis hole 922d, and is spirally connected with one threaded portion 962 and is fixed in the screw 942e relative with the first perforation 942c, and is positioned at a primary importance P5(such as Figure 15 and shown in Figure 16).Perhaps, rotating shaft 96 can be arranged in the second perforation 942d and the second axis hole 922e, and is spirally connected with its threaded portion 962 and is fixed in the screw 942e relative with the second perforation 942d, and is positioned at a second place P6(as shown in figure 17).No matter rotating shaft 96 is positioned at primary importance P5 or second place P6, rotating shaft 96 is in fact vertical attitude, so that rotating unit 94 can in fact flatly rotate.
As shown in figure 15, when rotating unit 94 was positioned at reference position P1, the front stopping surface 922b of fixture 922 was towards probe 40, and the rear abutment face 942f of rotating unit 94 is against front stopping surface 922b.When rotating shaft 96 is arranged at primary importance P5 and unscrews, rotating unit 94 can be subjected to external force and 96 rotates with one first predetermined direction D2 around the shaft from reference position P1, stops until rotating unit 94 is kept out by front stopping surface 922b with the first side abutment face 942g due to one first extreme position P7(as shown in figure 16).When rotating shaft 96 is arranged at second place P6 and unscrews, rotating unit 94 can be subjected to external force and 96 rotates with second a predetermined direction D3 opposite with the first predetermined direction D2 around the shaft from reference position P1, stops until rotating unit 94 is kept out by front stopping surface 922b with the second side abutment face 942h due to one second extreme position P8(as shown in figure 17).
Thus, such as Figure 18 and shown in Figure 19, when same spot measurement device is provided with a plurality of limit devices 13 of seeking, and when its probe 40 is considerably close to each other, the user can change wherein one when seeking the probe 40 of limit device 13 at needs, rotating units of seeking limit device 13 84 that other are contiguous depend on itself and the relative position of seeking the limit device of probe to be replaced with the first predetermined direction D2 or the second predetermined direction D3() rotate, and then make each cantilever 30 to one side deflection, carry out probe replacing operation to abdicate enough spaces.
In sum, of the present utility modelly focus on making the pedestal of seeking the limit device to include a fixed cell, and the rotating unit that can rotate relative to fixed cell, can rotate a position when leaving it and carrying out surveying operation with rotating unit so that be arranged at the cantilever of rotating unit, can contiguous seek the space that the limit device is convenient for changing probe for it to abdicate.The structure of this pedestal and the rotation direction of rotating unit are also unrestricted, but and fixed cell not necessarily to be provided with this rotating unit of backstop or keep feature or the element of this rotating unit position.Secondly, the mechanism design that limit device function is sought in realization is not limited in the disclosed mode of above-described embodiment yet, namely, pre-power applying unit is not limited in the mode of magnetic force, also can utilize spring that pre-power is provided, and the horizontal attitude mode that shell fragment also can be traditional is connected with cantilever, in other words, technical characterictic provided by the utility model can be applied to existing miscellaneous seeking on the device of limit, the various limit devices of seeking that disclose in the patents such as TaiWan, China M345241 number and M382589 number.
The composed component that the utility model discloses in the aforementioned embodiment at last, must be described again; only for illustrating; be not the scope of patent protection that limits this case, substituting or variation of other equivalence elements also should be contained by scope of patent protection of the present utility model.

Claims (19)

1. the rotating limit device of seeking includes the cantilever that a pedestal, is arranged at described pedestal, and a probe that is arranged at described cantilever; It is characterized in that:
Described pedestal includes a fixed cell, and a rotating unit that can be arranged at rotationally described fixed cell, and described cantilever is arranged at described rotating unit.
2. the rotating limit device of seeking as claimed in claim 1, it is characterized in that: also include the rotating shaft of a described fixed cell of connection and described rotating unit, described rotating unit can be subjected to external force from an initial position and rotate around described rotating shaft, described cantilever is in fact the attitude of level when described rotating unit is positioned at reference position, described rotating shaft is in fact level and the attitude vertical with described cantilever.
3. the rotating limit device of seeking as claimed in claim 2, it is characterized in that: described fixed cell has a front stopping surface, when described rotating unit was positioned at described reference position, the front stopping surface of described fixed cell was towards described probe, and described rotating unit is against described front stopping surface.
4. the rotating limit device of seeking as claimed in claim 3, it is characterized in that: described fixed cell also has a upper stopping surface that is positioned at described front stopping surface top, and described rotating unit is kept out by described upper stopping surface can when rotating with a predetermined direction and stop scheduling an extreme position.
5. the rotating limit device of seeking as claimed in claim 2, it is characterized in that: also include a magnetic assembly, described magnetic assembly has two members that can inhale mutually, described two members are arranged at respectively described fixed cell and described rotating unit, when described cantilever along with the rotation of described rotating unit swing when being in fact vertical attitude, described two members of described magnetic assembly are inhaled mutually, make described cantilever remain on the attitude that is in fact vertical.
6. the rotating limit device of seeking as claimed in claim 5, it is characterized in that: the member that described magnetic assembly is arranged at described fixed cell is a magnet, the member that described magnetic assembly is arranged at described rotating unit is a magnetic conductive part.
7. the rotating limit device of seeking as claimed in claim 6, it is characterized in that: described magnetic conductive part is the screw that is locked on described rotating unit.
8. the rotating limit device of seeking as claimed in claim 7, it is characterized in that: described rotating shaft is arranged in described rotating unit, and the tail end of described magnetic conductive part is resisted against described rotating shaft.
9. such as each described rotating limit device of seeking in the claim 6 to 8, it is characterized in that: also include the magnet that another is arranged at described rotating unit, described two magnet are for inhaling mutually or repel each other, so that a strength that acts on described rotating shaft to be provided.
10. such as each described rotating limit device of seeking in the claim 6 to 8, it is characterized in that: described fixed cell includes a connection piece, described web member has a roof, a right side wall and a left side wall, described left and right sidewall is equiped with respectively a bearing, and described rotating shaft is arranged in described two bearings; Described rotating unit includes a tumbler, and described tumbler is between the left and right sidewall of described web member and affixed with described rotating shaft, and described tumbler has a top corresponding with the roof of described web member, and a bottom that is connected with described cantilever; The magnet of described magnetic assembly and magnetic conductive part are located at respectively the roof of described web member and a leading flank of described tumbler.
11. the rotating limit device of seeking as claimed in claim 10 is characterized in that: the described limit device of seeking also includes the magnet that another is arranged at described tumbler top, described two magnet are for inhaling mutually or repel each other, so that a strength that acts on described rotating shaft to be provided.
12. the rotating limit device of seeking as claimed in claim 11 is characterized in that: described fixed cell also includes a locating part that can be arranged in movably the roof of described web member between an active position and a non-working position; When described locating part was positioned at described active position and described rotating unit and rotates with a predetermined direction, described locating part can be supported described rotating unit to limit the rotational angle of described rotating unit; When described locating part was positioned at described non-working position, described locating part left described rotating unit.
13. the rotating limit device of seeking as claimed in claim 5, it is characterized in that: described fixed cell includes a connection piece, described web member has a roof, a right side wall and a left side wall, and described left and right sidewall is equiped with respectively a bearing, and described rotating shaft is arranged in the described bearing; Described rotating unit includes a tumbler, and described tumbler is between the left and right sidewall of described web member and affixed with described rotating shaft, and described tumbler has a top corresponding with the roof of described web member, and a bottom that is connected with described cantilever; Described two members of described magnetic assembly are located at respectively the roof of described web member and a leading flank of described tumbler.
14. the rotating limit device of seeking as claimed in claim 5 is characterized in that: described fixed cell also is provided with a locating part that can move between an active position and a non-working position; When described locating part was positioned at described active position and described rotating unit and rotates with a predetermined direction, described locating part can be supported described rotating unit to limit the rotational angle of described rotating unit; And when described locating part was positioned at described non-working position, described locating part left described rotating unit.
15. the rotating limit device of seeking as claimed in claim 1, it is characterized in that: also include the rotating shaft of a described fixed cell of connection and described rotating unit, described rotating unit can be subjected to external force from an initial position and rotate around described rotating shaft, described cantilever is in fact the attitude of level when described rotating unit is positioned at reference position, described rotating shaft is in fact vertical attitude.
16. the rotating limit device of seeking as claimed in claim 15, it is characterized in that: described fixed cell has a front stopping surface, described rotating unit has a rear abutment face, when described rotating unit is positioned at described reference position, the front stopping surface of described fixed cell is towards described probe, and the rear abutment face of described rotating unit is against described front stopping surface.
17. the rotating limit device of seeking as claimed in claim 16, it is characterized in that: described rotating unit also has a side abutment face, can be subjected to the front stopping surface of described fixed cell to keep out and stop due to an extreme position with its side abutment face when described rotating unit rotates with a predetermined direction.
18. the rotating limit device of seeking as claimed in claim 16, it is characterized in that: described rotating shaft can be arranged at a primary importance and a second place one of them, described rotating unit can rotate with one first predetermined direction from described reference position when described rotating shaft is arranged at described primary importance, and described rotating unit can rotate with second predetermined direction opposite with described the first predetermined direction from described reference position when described rotating shaft is arranged at the described second place.
19. the rotating limit device of seeking as claimed in claim 18 is characterized in that: described rotating unit also has one first side abutment face and one second side abutment face; When described rotating shaft was arranged at described primary importance and described rotating unit and rotates with described the first predetermined direction, described rotating unit can be subjected to the front stopping surface of described fixed cell to keep out and stop due to one first extreme position with described the first side abutment face; When described rotating shaft was arranged at the described second place and described rotating unit and rotates with described the second predetermined direction, described rotating unit can be subjected to the front stopping surface of described fixed cell to keep out and stop due to one second extreme position with described the second side abutment face.
CN 201220376554 2012-08-01 2012-08-01 Rotatable edge sensor Expired - Fee Related CN202757956U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104749403A (en) * 2013-12-31 2015-07-01 旺矽科技股份有限公司 Probe module
CN113533938A (en) * 2021-07-28 2021-10-22 苏州联讯仪器有限公司 Chip testing machine
CN113533939A (en) * 2021-08-09 2021-10-22 苏州联讯仪器有限公司 Probe station for chip test

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104749403A (en) * 2013-12-31 2015-07-01 旺矽科技股份有限公司 Probe module
CN113533938A (en) * 2021-07-28 2021-10-22 苏州联讯仪器有限公司 Chip testing machine
CN113533938B (en) * 2021-07-28 2022-02-18 苏州联讯仪器有限公司 Chip testing machine
CN113533939A (en) * 2021-08-09 2021-10-22 苏州联讯仪器有限公司 Probe station for chip test
CN113533939B (en) * 2021-08-09 2022-03-15 苏州联讯仪器有限公司 Probe station for chip test

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