TWI489112B - Fool-proofing structure - Google Patents

Description

Anti-dwelling structure

The present invention relates to a foolproof structure, and more particularly to a foolproof structure for use in a test apparatus to enable the test apparatus to reduce damage to the board and parts.

Information products must pass a series of tests before leaving the factory to ensure that the function of the product is working properly. Take the motherboard (Motherboard, MB) of the computer as an example. The motherboard is electrically connected to various electronic devices disposed on it. For example, a hard disk, various interface cards, a memory, a central processing unit, and the like. In other words, the performance of the motherboard must be able to fully support the above various electronic devices in order to maximize the performance of the electronic devices. Therefore, all motherboards need to undergo relevant electrical testing to ensure the stability of quality.

In addition, with the rapid development of electronic products and mass production, there is an increasing demand for test devices applied to circuit boards.

In the prior art, when the operator places the circuit board into the test device for testing, since the test device is not provided with any foolproof structure, when the operator operates the test device improperly or does not accurately set the circuit board Into the test device When testing, it is easy to cause damage to the board. Moreover, the conventional test device is a flip cover design. Therefore, the alignment accuracy of the RF head of the test device and the test probe is easily insufficient, resulting in damage to the parts.

In view of the above-mentioned problems of the prior art, the object of the present invention is A foolproof structure is provided to solve the problem in the prior art that the test device is liable to cause damage to the circuit board due to improper operation of the test device by the operator or accurate placement of the circuit board into the test device.

According to the purpose of the present invention, a foolproof structure is proposed for measurement A test device comprising a cover, a carrier and a base. The cover body is provided with a first groove and a guiding member. The first groove is disposed at one end of the cover body, and the guide member has a notch at one end. The carrier is located on one side of the cover body, and one end of the carrier is pivotally connected to the other end of the cover body. The carrier is pivoted with the first fastening component corresponding to the first groove, and the carrier corresponding to the guiding member pivots the introduction unit. The base is located on one side of the carrier relative to the cover body, and the other end of the base corresponding to the introduction unit has a second groove, when the cover body is displaced from the first preset position to the second preset position, and one end of the introduction unit is slidably movable When the gap is formed, the first fastening member is detachably engaged with the first groove, and the other end of the introduction unit is disengaged from the second groove.

Wherein, the opposite sides of the carrier are respectively provided with a third groove, the base Placing a plurality of second fastening members corresponding to the third recesses, when the other end of the introduction unit is disengaged from the second recess, and the carrier is displaced from the third preset position to the fourth preset position, each The two fastening components are detachably fastened to the third recesses.

Wherein, when the end of the introduction unit abuts the guide or is located outside the gap And when the carrier is displaced from the third preset position toward the fourth preset position, the introduction unit The other end is abutted against the second recess to place the carrier in a third predetermined position.

Wherein the carrier has a plurality of first perforations, and the base has a pair The second perforation of each of the first perforations, and the anti-staying structure further includes a plurality of guiding units respectively disposed on the first perforations and the second perforations corresponding to the first perforations, so that the base is movable The three preset positions are displaced to the fourth preset position.

Wherein, when the end of the introduction unit abuts the guide or is located outside the gap And when the cover body is displaced from the first preset position to the second preset position, the other end of the introduction unit abuts against the second groove to position the cover body at the first preset position.

Wherein, the surface of the carrier is formed by the inward depression of the adjacent circumference Space is provided to accommodate the substrate.

Wherein, the foolproof structure further comprises a plurality of probe bodies, one end of which has In the elastic member, each probe body is disposed on the base, and the probe body is adjusted in the base by the elastic member.

Wherein, the carrier is provided with a through hole corresponding to each probe body, and one side of the base When the other side of the carrier is attached, each probe body passes through the corresponding through hole, thereby contacting the predetermined test point on the substrate.

As stated above, the foolproof structure of the present invention can have a number of advantages as follows:

(1) The foolproof structure can be designed by the guide member and the introduction unit, thereby improving the accuracy of closing the cover and the carrier of the test device.

(2) The foolproof structure can be designed by the guide member and the introduction unit, thereby reducing the scrap rate of the board damage caused by the operator operating the test device improperly or not accurately placing the circuit board into the test device.

(3) The foolproof structure can be provided with an elastic member at one end of the probe body. Thereby, the accuracy of the alignment of the probe body with the radio head and the test yield of the board can be improved.

1‧‧‧Danger prevention structure

10‧‧‧ cover

100‧‧‧first groove

101‧‧‧guides

102‧‧‧ gap

11‧‧‧ Carrier

110‧‧‧First fastening piece

111‧‧‧Import unit

111A‧‧‧

111B‧‧‧The other end

112‧‧‧ third groove

113‧‧‧First perforation

114‧‧‧ accommodating space

115‧‧‧through hole

12‧‧‧ Pedestal

120‧‧‧second groove

121‧‧‧Second fasteners

122‧‧‧Second perforation

13‧‧‧Guide unit

14‧‧‧Probe body

140‧‧‧Flexible parts

15‧‧‧Substrate

Figure 1 is a first schematic view of a first embodiment of the foolproof structure of the present invention.

Figure 2 is a second schematic view of the first embodiment of the foolproof structure of the present invention.

Figure 3 is a third schematic view of the first embodiment of the foolproof structure of the present invention.

Figure 4 is a first schematic view of a second embodiment of the foolproof structure of the present invention.

Figure 5 is a second schematic view of a second embodiment of the foolproof structure of the present invention.

Figure 6 is a third schematic view of a second embodiment of the foolproof structure of the present invention.

Figure 7 is a first schematic view of a third embodiment of the foolproof structure of the present invention.

Figure 8 is a second schematic view of a third embodiment of the foolproof structure of the present invention.

Embodiments of the foolproof structure according to the present invention will be described below with reference to the related drawings. For ease of understanding, the same components in the following embodiments are denoted by the same reference numerals.

Please refer to FIG. 1 to FIG. 3 , which are first to third schematic views of the first embodiment of the foolproof structure of the present invention. As shown, the foolproof structure 1 of the present invention comprises a cover 10, a carrier 11 and a base 12. The cover 10 is provided with a first recess 100 and a guiding member 101. The first recess 100 is disposed at one end of the cover 10. The end of the guiding member 101 protrudes from the cover 10 and has a notch 102. The carrier 11 is located on one side of the cover body 10. One end of the carrier 11 is pivotally connected to the other end of the cover body 10. The carrier 11 pivots the first fastening component 110 corresponding to the first recess 100, and the carrier 11 pivots the guiding unit 111 corresponding to the guiding member 101. . The base 12 is located on one side of the carrier 11 with respect to the cover body 10. The base 12 has a second recess 120 corresponding to the other end of the introduction unit 111. When the cover 10 is displaced from the first preset position to the second preset position, and the introduction unit When one end 111A of the 111 is movably slid into the notch 102, the first fastening component 110 is detachably engaged with the first groove 100, and the other end 111B of the introduction unit 111 is disengaged from the second groove 120.

Specifically, the foolproof structure 1 of the present invention can be applied to a test device for testing various circuit boards. Therefore, when the operator operates the test device having the foolproof structure 1, the cover is first placed at the first preset position. The body 10 is displaced to a second preset position, which may be an angle of 1 to 180 degrees between the cover 10 and the carrier 11. In this embodiment, an angle of about 45 degrees is taken as an example, and the second The preset position may be a position at which the cover 10 is attached to the carrier 11. While the operator pushes the cover 10 from the first preset position to the second preset position, one end 111A of the introduction unit 111 slides into the notch 102 according to the operator's operation behavior, and links the other end. The 111B is detached from the second recess 120, and one end 111A of the introduction unit 111 is preferably designed as a pulley or an arbitrarily shaped outer shape. At this time, the operator can engage the first recess 100 by the first fastening component 110 so that the cover 10 and the carrier 11 are in close contact with each other.

In addition, when the end 111A of the introduction unit 111 abuts against the guide 101 Or when the cover body 10 is located outside the notch 102, and the cover body 10 is displaced from the first preset position to the second preset position, the other end 111B of the introduction unit 111 abuts against the second groove 120, so that the cover body 10 is at the first position. Preset location.

In other words, if the operator causes an import order due to improper operation. When the end 111A of the element 111 abuts against the guiding member 101 or causes the end 111A of the guiding unit 111 to be located outside the notch 102, since the guiding unit 111 cannot interlock the other end 111B to be disengaged from the second groove 120, the introduction unit 111 The other end 111B abuts against the second recess 120. Therefore, the operator cannot push the cover 10 to the second preset position, so that the cover 10 is at the first preset position, and the operator is also made The first fastening component 110 cannot be engaged with the first recess 100.

It can be seen from the structure design of the foolproof structure 1 of the present invention, When the operator is not operating properly, the end 111A of the introduction unit 111 will abut against the guide 101 or be located outside the notch 102, so that the other end 111B abuts against the second groove 120, thereby preventing the operator from pushing the cover 10. Go to the second preset position and achieve the foolproof effect.

Please refer to Figures 4 to 6, which are respectively the foolproof of the present invention. A first to third schematic view of a second embodiment of the structure. Please also refer to Figure 1 to Figure 3. As shown in the figure, the components of the foolproof structure in the present embodiment are actuated, and the same components of the foolproof structure described in the first embodiment described above are actuated. The formula is similar, so it will not be described again. However, it is worth mentioning that, in this embodiment, the opposite sides of the carrier 11 of the foolproof structure 1 are preferably respectively provided with a third recess 112, and the base 12 is pivoted corresponding to the third recess 112. a plurality of second fastening members 121, when the other end 111B of the introduction unit 111 is disengaged from the second recess 120, and the carrier 11 is displaced from the third preset position to the fourth preset position, each of the second fastening members 121 is detachably fastened to each of the third grooves 112.

In the above, when the end 111A of the introduction unit 111 abuts the guide When the 101 is located outside the notch 102, and the carrier 11 is displaced from the third preset position toward the fourth preset position, the other end 111B of the introduction unit 111 abuts against the second groove 120, so that the carrier 11 is at the third preset. position.

Furthermore, the carrier 11 preferably has a plurality of first perforations 113, the base 12 has a second through hole 122 corresponding to each of the first through holes 113, and the anti-slipping structure 1 preferably further includes a plurality of guiding units 13 respectively penetrating the first perforations 113 and the corresponding first perforations 113 The second through hole 122 is configured to movably move the base 12 from the third preset position to the fourth preset position.

For example, one end 111A of the introduction unit 111 of the foolproof structure 1 When sliding into the notch 102 according to the operation of the operator and detaching the other end 111B from the second groove 120, the operator can push the carrier 11 and shift it from the third preset position to the fourth preset position. The third preset position may be any position where the carrier 11 is not attached to the base 12, and the fourth preset position may be the position where the carrier 11 is attached to the base 12. Then, the operator can fasten the carrier 11 to the base 12 by snapping the second fastening members 121 to the third recesses 112.

However, when the operator operates this foolproof structure 1 due to improper operation And causing the end 111A of the introduction unit 111 to abut against the guide 101, or causing the introduction When the end 111A of the unit 111 is located outside the notch 102, if the operator wants to push the carrier 11 from the third preset position to the fourth preset position, the other end 111B of the introduction unit 111 is abutted against the second recess. The groove 120 is such that the carrier 11 is in the third predetermined position and cannot be displaced toward the fourth predetermined position.

It can be seen that the foolproof structure 1 of the present invention can also utilize the introduction unit. The structure of the 111 and the guiding member 101 is designed to prevent the operator from pushing the carrier 11 to the fourth preset position when the operation mode is improper, thereby achieving another foolproof effect.

In addition, when the carrier 11 of the foolproof structure 1 is in the fourth preset position At this time, if the operator pushes the first fastening component 110 relative to the one end of the first recess 100, and the first fastening component 110 is to be disengaged in the first recess 100, the first fastening component is One end of the 110 abuts against one end of the base 12, and the first fastening component 110 cannot be disengaged from the first recess 100, thereby preventing the operator from malfunctioning or stopping the operation due to the accidental contact with the first fastening component 110. .

Please refer to Figure 7 and Figure 8, which are respectively the foolproof of the present invention. A first schematic diagram and a second schematic diagram of a third embodiment of the structure. Please also refer to Figure 1 to Figure 6. As shown in the figure, the components of the foolproof structure in the present embodiment are activated, which are similar to the operation of the same components of the foolproof structure described in the first embodiment and the second embodiment, and therefore will not be described again. . However, it is worth mentioning that, in this embodiment, the surface of the carrier 11 of the foolproof structure 1 is recessed inwardly from the periphery to form an accommodating space 114 for accommodating the substrate 15. The substrate 15 is preferably a circuit board.

Furthermore, the foolproof structure 1 preferably further comprises a plurality of probe bodies 14, One end has an elastic member 140, and the elastic member 140 is preferably a spring. Each probe body 14 is threaded through the base 12, and the probe body 14 is adjusted by the elastic member 140 at a position in the base 12. Moreover, the carrier 11 is provided with a through hole 115 corresponding to each probe body 14 as a base When one side of the carrier 11 is attached to the other side of the carrier 11, each of the probe bodies 14 passes through the corresponding through hole 115, thereby contacting the predetermined test point on the substrate 15.

In short, due to the end of the probe body 14 of the foolproof structure 1 of the present invention The elastic member 140 is provided. Therefore, when the foolproof structure 1 is vibrated by an external force, or when the operator replaces the radio frequency head, the probe body 14 can be freely adjusted to the position in the base 12 by the elastic member 140. The probe body 14 can be electrically electrically contacted with a predetermined test point on the substrate 15 to perform electrical testing, and obtain data related to the substrate 15, thereby improving the test yield of the substrate 15.

Moreover, by the vertical displacement design of the carrier 11, the susceptor 12 and the guiding unit 13, the probe body 14 and the radio frequency head can be accurately aligned, thereby reducing the damage rate of the parts.

The above is intended to be illustrative only and not limiting. Any equivalent modifications or alterations to the spirit and scope of the invention are intended to be included in the scope of the appended claims.

1‧‧‧Danger prevention structure

10‧‧‧ cover

100‧‧‧first groove

101‧‧‧guides

102‧‧‧ gap

11‧‧‧ Carrier

110‧‧‧First fastening piece

111‧‧‧Import unit

12‧‧‧ Pedestal

120‧‧‧second groove

Claims (8)

A foolproof structure is applied to a test device, comprising: a cover body having a first groove and a guiding member, the first groove is disposed at one end of the cover body, and one end of the guide member Having a notch; a carrier is located on one side of the cover, one end of the carrier is pivotally connected to the other end of the cover, the carrier is pivotally disposed with a first fastening member corresponding to the first groove, and the carrier A guiding unit is pivoted to the guiding member; and a base is located on a side of the carrier opposite to the cover body, and the base has a second groove corresponding to the other end of the guiding unit, when the cover body is When the first preset position is displaced to a second preset position, and the one end of the introduction unit is movably slid into the notch, the first fastening component is detachably engaged with the first groove, and the first fastening member is detachably engaged with the first groove The other end of the introduction unit is detached from the second groove. The anti-stay structure of claim 1, wherein the opposite sides of the carrier are respectively provided with a third recess, and the base pivots a plurality of second fastening members corresponding to the third recesses. When the other end of the introduction unit is disengaged from the second recess, and the carrier is displaced from a third preset position to a fourth preset position, each of the second fastening members is detachably buckled Each of the third grooves. The foolproof structure of claim 2, wherein the end of the introduction unit abuts the guide member or is located outside the gap, and the carrier is moved from the third preset position to the fourth preset position. When displaced, the other end of the introduction unit abuts against the second groove to place the carrier in the third preset position. The foolproof structure of claim 2, wherein the carrier has a plurality of first perforations, the base has a second perforation corresponding to each of the first perforations, and the anti-dwelling structure further comprises a plurality of Guide unit, which is respectively disposed on Each of the first through holes and the second through holes corresponding to the first through holes are configured to movably move the base from the third preset position to the fourth preset position. The foolproof structure of claim 1, wherein the end of the introduction unit abuts the guide member or is located outside the notch, and the cover body faces the second predetermined position from the first preset position When the position is displaced, the other end of the introduction unit abuts against the second groove, so that the cover body is in the first preset position. The anti-dwelling structure of claim 1, wherein the surface of the carrier is recessed inwardly from adjacent the periphery to form an accommodating space for accommodating a substrate. The anti-dwelling structure of claim 6, further comprising a plurality of probe bodies having an elastic member at one end thereof, each of the probe bodies being disposed on the base, wherein the probe body is elasticized The piece is adjusted to the position in the base. The anti-stay structure of claim 7, wherein the carrier is provided with a through hole corresponding to each of the probe bodies, and when one of the bases is attached to the other side of the carrier, each of the probe bodies passes through Corresponding to the through hole, and then touching a predetermined test point on the substrate.