CN211856671U - Test board locking mechanism of test machine and chip test machine - Google Patents
Test board locking mechanism of test machine and chip test machine Download PDFInfo
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- CN211856671U CN211856671U CN202020115335.9U CN202020115335U CN211856671U CN 211856671 U CN211856671 U CN 211856671U CN 202020115335 U CN202020115335 U CN 202020115335U CN 211856671 U CN211856671 U CN 211856671U
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Abstract
The utility model discloses a test board lock solid mechanism and chip test machine are surveyed to test machine, wherein test machine survey board lock solid mechanism installs on the test board, just install two at least locating parts on the board, include: the test board comprises a reinforcing member, a locking ring and a locking column, wherein the reinforcing member is used for fixing the test board, and the edge of the reinforcing member is provided with a plurality of fastening grooves for locking the fastening member; the locking ring is sleeved outside the testing machine table, a plurality of downward inclined matching grooves are formed in the side wall of the locking ring, a pressing block is arranged on the inner wall of the upper end of the locking ring, and the pressing block can be clamped in the fastening groove so that the fastening groove can limit the pressing block; one end of the locking column penetrates through a movable groove formed in the side wall of the testing machine table and is connected with a driving device inside the testing machine table, and the other end of the locking column penetrates through the matching groove, so that the locking column slides along the lateral direction of the matching groove to drive the pressing block to press the reinforcing piece tightly.
Description
Technical Field
The utility model relates to a chip test technical field especially relates to a test board lock solid mechanism and chip test machine are surveyed to test machine.
Background
Before testing a chip, it is usually necessary to attach a test board to a stiffener, then place the stiffener on a testing machine, and finally lock the stiffener using the testing machine. The PCB is in good contact with the spring pins, electrical communication is completed, and communication reliability is guaranteed; meanwhile, the PCB is fixed, so that subsequent testing is facilitated, but the existing reinforcing member is very troublesome when being fixed, and therefore, the test board locking mechanism of the testing machine and the chip testing machine are provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to solve current chip test machine very troublesome technical problem when fixed reinforcement and then fixed survey test panel, provide a test machine survey test panel lock solid mechanism and chip test machine.
The utility model provides a technical scheme as follows:
the utility model provides a test machine test board locking mechanism installs on the test board, just install two at least locating parts on the board, include:
the reinforcing member is used for fixing the test board, a limiting hole matched with the limiting member is formed in the reinforcing member, so that the reinforcing member is placed on the test head, and a plurality of fastening grooves are formed in the edge of the reinforcing member and used for locking the fastening member;
the locking ring is sleeved outside the testing machine table, a plurality of downward inclined matching grooves are formed in the side wall of the locking ring, a pressing block is arranged on the inner wall of the upper end of the locking ring, and the pressing block can be clamped in the fastening groove so that the fastening groove can limit the pressing block;
one end of the locking column penetrates through a movable groove formed in the side wall of the testing machine table and is connected with a driving device in the testing machine table, and the other end of the locking column penetrates through the matching groove so that the locking column can slide laterally along the matching groove;
when the driving device drives the locking column to move along the circumferential direction of the test machine table, the locking column moves obliquely upwards along the side wall of the matching groove, so that the locking ring moves downwards to drive the pressing block to press the reinforcing piece tightly.
In this technical scheme, through setting up lock ring and reinforcement, and set up the cooperation groove of slope on the lock ring, make the locking post when along test board circumferential direction, can make and take place the relative position change between cooperation groove and the locking post, the motion of lateral direction can take place for the lock ring, again because the spacing in fastening groove, cause the unable lateral motion that takes place of lock ring, thereby make the lock ring take place decurrent motion, when the lock ring takes place decurrent motion, it compresses tightly the reinforcement to drive the pressfitting piece, so that it is not hard up to appear on the test head as for final reinforcement.
Preferably, the pressing block is of a wedge-shaped structure, and the fastening groove is matched with the pressing block, so that when the locking ring moves, the wedge-shaped inclined plane of the pressing block extrudes the inner wall of the fastening groove.
In this technical scheme, the pressfitting piece is the wedge, and the fastening groove also is wedge, both are the phase-matchs, when the check ring is driven to rotate by the locking post at the beginning, the wedge inclined plane of pressfitting piece can take place to extrude each other with the wedge inclined plane of fastening groove, and the wedge inclined plane of fastening groove can play limiting displacement to the wedge inclined plane of pressfitting piece, so that the check ring can not further rotate, because the effect in cooperation groove, the check ring will downstream, thereby compress tightly the reinforcement.
Preferably, the fitting groove is provided on a lower end side wall of the locking ring.
Preferably, the matching groove is composed of an inclined section and a vertical section, and the vertical section is positioned at the lower end of the locking ring;
when the locking ring is sleeved on the testing machine table, the locking column is clamped at the intersection of the straight section and the inclined section of the matching groove, and the pressing block is located in the fastening groove.
In this technical scheme, through the lateral wall lower extreme of the position setting at the check lock ring with the cooperation groove, and the cooperation groove is equipped with one section vertical section and one section ascending slope section in slant, so not only be favorable to placing the check lock ring, also be favorable to taking away the check lock ring, be convenient for overhaul at any time and change at any time, the vertical section in cooperation groove can make the shift in the position can not appear in the check lock ring of placing, and the slope section then can make the check lock ring under the spacing effect of fastening groove, can compress tightly the pressfitting piece by the downstream.
Preferably, the mating slots are equally circumferentially distributed.
Preferably, the reinforcement is composed of an inner ring and an outer ring, and the outer ring and the inner ring are connected through a plurality of connecting pieces.
Preferably, the inner ring is provided with a plurality of fixing holes for fixing the test board.
Preferably, the number of the limiting parts is two, and the two limiting parts are symmetrically arranged.
A chip tester comprises any one of the above-mentioned locking mechanisms for the test board of the tester.
Compared with the prior art, the utility model provides a pair of test board lock solid mechanism and chip test machine are surveyed to test machine has following beneficial effect:
1. the utility model discloses a screw will survey test panel and fix on the reinforcement, then the indirect fixed test panel of retainer locking reinforcement for survey test panel can be fine and the spring needle contact on the test head, guarantee to survey test panel and board electrical connection.
2. The utility model discloses a locating part is right the reinforcement position carries on spacingly, and simultaneously when the lock solid, the lock ring can compress tightly the reinforcement all the time for it is not hard up that the reinforcement can not appear, guarantees test board rigidity, does not take place the displacement.
3. The utility model discloses an annular equidistance sets up the pressfitting piece for the check ring applys balanced power to the reinforcement, and is balanced with the marginal atress of guaranteeing the reinforcement, and it is steady to guarantee to survey test panel marginal atress, and one can not make and survey test panel impaired.
Drawings
The above features, technical features, advantages and implementations of a test board locking mechanism for a tester and a chip tester will be further described in the following detailed description of preferred embodiments in a clearly understandable manner with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of a reinforcing member according to the present invention;
FIG. 2 is a schematic structural view of the locking ring of the present invention;
FIG. 3 is a schematic view of a part of the structure of the present invention;
fig. 4 is a schematic structural diagram of the assembled structure of the present invention.
The reference numbers illustrate:
the structure comprises a reinforcing member 100, a fastening groove 101, a limiting hole 102, a fixing hole 103, an inner ring 104, a connecting piece 105 and an outer ring 106;
a locking ring 200, a pressing block 201 and a matching groove 202;
the testing machine comprises a testing machine table 300, a limiting piece 301, a testing head 302 and a locking column 303.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
According to the utility model provides an embodiment, as shown in fig. 1-4, a test board lock solid mechanism is surveyed to test machine installs on test board 300 for the lock solid surveys the board, when concrete implementation, survey the board and need fix with the help of reinforcement 100, consequently, in this embodiment, through carrying out the lock solid to reinforcement 100 so that survey the board and can be locked, and install test head 302 on the test board 300, test head 302 is used for testing the chip, be equipped with the pogo pin that is used for testing the chip on the test head 302, install two at least locating parts 301 on the test head 302, the lock solid structure includes: the test plate comprises a reinforcing member 100, a locking column 303, a locking ring 200 and a pressing block 201 connected to the locking ring 200, wherein the reinforcing member 100 is used for fixing the test plate, and when the test plate is specifically implemented, the fixing mode between the test plate and the reinforcing member 100 can be fixed through screws;
as shown in fig. 1, a limiting hole 102 matched with the limiting piece 301 is formed in the reinforcing piece 100, the limiting piece 301 is inserted into the limiting hole 102, so that the reinforcing piece 100 cannot shift when placed on the test head 302, and the reinforcing piece 100 can be better placed on the test head 302, and a plurality of fastening grooves 101 are formed in the edge of the reinforcing piece 100 for locking the reinforcing piece 100; as shown in fig. 2, the locking ring 200 is sleeved outside the testing machine 300, and a plurality of downward inclined mating grooves 202 are formed on the side wall of the locking ring 200; the pressing block 201 is arranged on the inner wall of the upper end of the locking ring 200, and the pressing block 201 can be clamped in the fastening groove 101, so that the fastening groove 101 limits the pressing block 201;
as shown in fig. 3, one end of the locking column 303 penetrates through a movable groove formed on a side wall of the testing machine 300 and is connected with a driving device inside the testing machine 300, and the other end of the locking column 303 penetrates through the matching groove 202, so that the locking column 303 slides laterally along the matching groove 202, in specific implementation, the pressing block 201 is matched with the fastening groove 101, on one hand, the pressing block 201 can press the inner wall of the fastening groove 101 downwards to enable the reinforcing member 100 to move downwards, and on the other hand, the fastening groove 101 has a limit on the pressing block 201 itself to prevent the locking ring 200 from rotating; wherein, when the driving device drives the locking column 303 to move along the circumferential direction of the testing machine 300, the locking column 303 moves obliquely upward along the side wall of the matching groove 202, so as to make the locking ring 200 move downward and drive the pressing block 201 to press the reinforcing member 100, in the specific implementation, the testing machine is cylindrical, the driving device is a motor, the motor is installed inside the testing machine 300, the outer wall of the testing machine 300 is provided with a corresponding movable groove, the locking column 303 penetrates through the movable groove and is connected with the motor, so that the motor can drive the locking column 303 to rotate along the circumferential direction of the testing machine, in the embodiment, the shape of the fastening groove 101 and the pressing block 201 is not limited, only when the locking ring 200 is placed in the fastening groove 101, the longitudinal and transverse limiting effects are provided for the pressing block 201, when the locking ring 200 moves, the pressing block 201 can press the reinforcing member 100, and the fastening groove 101 can limit the reinforcing member 100, in this embodiment, the opening position of the engaging groove 202 is not limited, and it is only necessary that the engaging groove 202 is inclined downward, so that the locking ring 200 moves downward when the locking column 303 rotates.
Referring to fig. 1 and fig. 2 again, in another embodiment of the present invention, the pressing block 201 is in a wedge-shaped structure, and the fastening groove 101 is matched with the pressing block 201, so that when the locking ring 200 moves, the wedge-shaped inclined plane of the pressing block 201 presses the inner wall of the fastening groove 101, the wedge-shaped inclined plane of the fastening groove 101 not only downwardly limits the pressing block 201, but also laterally limits the pressing block 201, so that the pressing block 201 can finally press the reinforcing member 100, in particular, the pressing block 201 is in an inverted ladder-shaped structure, the fastening groove 101 is also in an inverted ladder-shaped structure, when the locking ring 200 is placed, the pressing block 201 can be placed in the fastening groove 101, and the shape is matched, when in use, the side wall of the pressing block 201 can be mutually pressed with the side wall of the fastening groove 101; the matching groove 202 is arranged on the side wall of the lower end of the locking ring 200; the matching groove 202 is composed of an inclined section and a vertical section, and the vertical section is positioned at the lower end of the locking ring 200; when the tight loop 200 cover was established on test board 300, the intersection of locking post 303 block at the straight section and the slope section of cooperation groove 202, the pressfitting piece 201 is located fastening groove 101, the design of cooperation groove 202 is convenient for placing and unloading of tight loop 200, when inside drive arrangement drives locking post 303 along test board 300 circumferential direction at test board 300, this moment locking post 303 can circumferential motion, because fastening groove 101 is to the limited of tight loop 200 circumference, make the tight loop 200 upwards can not rotate in circumference, so when locking post 303 rotates, can take place relative position change between locking post 303 and the cooperation groove 202, so that locking post 303 is along the inclined motion of cooperation groove 202, thereby make the tight loop 200 wholly move down, thereby drive and pressfitting piece 201 compress tightly reinforcement 100, when concrete implementation, cooperation groove 202 is the equidistance and distributes.
Referring again to fig. 1, in another embodiment of the present invention, the reinforcement member 100 is composed of an inner ring 104 and an outer ring 106, and the outer ring 106 and the inner ring 104 are connected to a plurality of connecting members 105 through a plurality of connecting members 105 to form a radial arrangement, and the distance between each adjacent connecting member 105 and the same position is equal. A plurality of fixing holes 103 are formed in the inner ring 104, the fixing holes 103 are distributed in an annular and equidistant mode, and the fixing holes 103 are used for fixing the test board. The two limiting members 301 are symmetrically disposed on the two limiting members 301, so that the two limiting members 301 can be better placed on the testing head 302, thereby ensuring better testing.
A chip testing machine comprises the testing board locking mechanism of the testing machine, and the testing machine comprises the locking mechanism so that the testing machine can better test chips when testing the chips.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. The utility model provides a test machine test board locking mechanism installs on the test board, just install two at least locating parts on the board, its characterized in that includes:
the reinforcing member is used for fixing the test board, a limiting hole matched with the limiting member is formed in the reinforcing member, so that the reinforcing member is placed on the test board, and a plurality of fastening grooves are formed in the edge of the reinforcing member and used for locking the reinforcing member;
the locking ring is sleeved outside the testing machine table, a plurality of downward inclined matching grooves are formed in the side wall of the locking ring, a pressing block is arranged on the inner wall of the upper end of the locking ring, and the pressing block can be clamped in the fastening groove so that the fastening groove can limit the pressing block;
one end of the locking column penetrates through a movable groove formed in the side wall of the testing machine table and is connected with a driving device in the testing machine table, and the other end of the locking column penetrates through the matching groove so that the locking column can slide laterally along the matching groove;
when the driving device drives the locking column to move along the circumferential direction of the test machine table, the locking column moves obliquely upwards along the side wall of the matching groove, so that the locking ring moves downwards to drive the pressing block to press the reinforcing piece tightly.
2. The locking mechanism for testing plate of testing machine of claim 1, wherein: the pressing block is of a wedge-shaped structure, and the fastening groove is matched with the pressing block, so that when the locking ring moves, the wedge-shaped inclined plane of the pressing block extrudes the inner wall of the fastening groove.
3. The test board locking mechanism for testing machine as claimed in claim 1 or 2, wherein: the matching groove is formed in the side wall of the lower end of the locking ring.
4. The locking mechanism for testing plate of testing machine of claim 3, wherein:
the matching groove is composed of an inclined section and a vertical section, and the vertical section is positioned at the lower end of the locking ring;
when the locking ring is sleeved on the testing machine table, the locking column is clamped at the intersection of the straight section and the inclined section of the matching groove, and the pressing block is located in the fastening groove.
5. The locking mechanism for testing plate of testing machine as claimed in claim 4, wherein: the matching grooves are circumferentially distributed at equal intervals.
6. The locking mechanism for testing plate of testing machine of claim 1, wherein: the reinforcing member is composed of an inner ring and an outer ring, and the outer ring is connected with the inner ring through a plurality of connecting pieces.
7. The locking mechanism for testing plate of testing machine of claim 6, wherein: the inner ring is provided with a plurality of fixing holes for fixing the test board.
8. The test board locking mechanism of testing machine as claimed in claim 6 or 7, wherein: the locating part is two, and two locating parts are the symmetry and set up.
9. A chip tester is characterized in that: a tester test board locking mechanism comprising any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115335.9U CN211856671U (en) | 2020-01-17 | 2020-01-17 | Test board locking mechanism of test machine and chip test machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115335.9U CN211856671U (en) | 2020-01-17 | 2020-01-17 | Test board locking mechanism of test machine and chip test machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211856671U true CN211856671U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020115335.9U Active CN211856671U (en) | 2020-01-17 | 2020-01-17 | Test board locking mechanism of test machine and chip test machine |
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| Country | Link |
|---|---|
| CN (1) | CN211856671U (en) |
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2020
- 2020-01-17 CN CN202020115335.9U patent/CN211856671U/en active Active
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