CN215116432U - Fastening assembly type vertical probe card - Google Patents

Abstract

The utility model relates to a fastening assembled probe card technical field specifically is a fastening assembled perpendicular probe card, including the PCB board, the top central point department of putting of PCB board installs fixed establishment, fixed establishment includes the upper cover plate, the fixed surface of upper cover plate is connected with the fastener, coupling mechanism is installed on the top of upper cover plate, coupling mechanism includes the roof, the probe body is installed on the top of roof. The device is through being provided with coupling mechanism, compares in traditional structure, and this device is connected through the mode that upper cover plate and roof peg graft each other, simultaneously through gluing inside the recess on upper cover plate surface of piece block to dock probe body and circuit board chip, the elasticity material of probe body makes the probe body perfect embedding inside the recess of upper cover plate, thereby will install the interference minimizing, can also the dismouting, be convenient for change and maintain the probe body.

Description

Fastening assembly type vertical probe card

Technical Field

The utility model relates to a fastening assembled probe card technical field specifically is a fastening assembled vertical probe card.

Background

Generally, a probe card is an effective tool for electrically connecting to corresponding channels of a testing apparatus for testing a plurality of contact pads of a device under test, and testing the device under test refers to probing and screening out defective or defective components in a production stage. Therefore, the probe card is generally used for electrical testing by contacting electronic devices integrated on a wafer before dicing a semiconductor, wafer, and chip packaging.

The probes in the prior art are usually installed by being bonded by an adhesive, the upper cover plate and the lower cover plate cannot be detached after the adhesive is bonded, the whole component needs to be replaced if the upper cover plate and the lower cover plate are damaged or thermally deformed, the probes are likely to be damaged if the probes cannot be aligned with the through holes when the probes are inserted into and pass through the gaps, the damaged probes are troublesome to replace and difficult to disassemble and assemble, and therefore a fastening assembly type vertical probe card is provided for solving the problems.

Disclosure of Invention

An object of the utility model is to provide a fasten assembled perpendicular probe card to solve the probe among the prior art that proposes among the above-mentioned background art and be installed with the adhesive bonding usually, apron about can't dismantling after the adhesive bonds, the condition of damage or heat altered shape appears, then need change whole component, if can not aim at the through-hole position when inserting and passing the space, the probe is probably impaired, the probe after the impaired is changed comparatively trouble, hardly carries out the problem of dismouting.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fastening assembled vertical probe card, includes the PCB board, the top central point department of putting of PCB board installs fixed establishment, fixed establishment includes the upper cover plate, the fixed surface of upper cover plate is connected with the fastener, coupling mechanism is installed on the top of upper cover plate, coupling mechanism includes the roof, the probe body is installed on the top of roof.

Preferably, the surface mounting of PCB board has stop gear, stop gear includes the spacing ring board, logical groove has been seted up on the surface of spacing ring board, and leads to the groove and encircle the surface that distributes at the spacing ring board.

Preferably, the through groove inner wall fixedly connected with silica gel guide board of spacing collar plate, and silica gel guide board symmetric distribution is in the logical groove left and right sides of spacing collar plate.

Preferably, the fastener is provided with four groups, the inside of the fastener is in threaded connection with a threaded sleeve through a fastening screw, and the surface of the PCB is provided with through holes matched with the fastening screw.

Preferably, the threaded sleeve is inserted into the surface of the lower cover plate, a groove matched with the threaded sleeve is formed in the bottom end of the lower cover plate, and a groove matched with the lower cover plate is formed in the bottom end of the PCB.

Preferably, the inner wall of the groove of the lower cover plate is provided with a rubber pad, and the surface of the rubber pad is provided with anti-skid grains.

Preferably, the bottom left and right sides of roof all fixedly connected with glues the piece, the surface of upper cover plate is seted up with the recess of gluing a looks adaptation, the central point of upper cover plate puts the department and is provided with the circuit board chip.

Preferably, the surface of the upper cover plate is provided with guide holes, and the guide holes are symmetrically distributed on the surface of the upper cover plate.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) compared with the traditional structure, the probe body is connected with the top plate in a mutual inserting mode through the upper cover plate and the top plate, and is clamped inside the groove in the surface of the upper cover plate through the rubber block, so that the probe body is butted with a circuit board chip;

(2) the device is through setting up fixed establishment, compares in traditional structure, and this device passes through fastener and swivel nut that runs through of circuit board chip to fix the upper cover plate on the surface of PCB board with apron down, after local damage, make things convenient for the staff to change the roof fast, secondly, lead to the groove through spacing ring plate surface and spacing to the circuit, make the circuit arrange in order, avoid the circuit to be mixed and disorderly, influence the speed of disassembling of roof.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic perspective view of the middle position-limiting mechanism of the present invention;

fig. 3 is a schematic perspective view of the connection mechanism of the present invention;

FIG. 4 is a schematic view of the vertical cracking of the present invention;

fig. 5 is a schematic view of a local three-dimensional crack of the middle fixing mechanism of the present invention.

In the figure: 1. a PCB board; 2. a limiting mechanism; 21. a limit ring plate; 22. a silica gel guide plate; 3. a fixing mechanism; 31. an upper cover plate; 32. a fastener; 33. fastening a screw rod; 34. a lower cover plate; 35. a threaded sleeve; 4. a connecting mechanism; 41. a top plate; 42. a probe body; 43. gluing blocks; 44. a guide hole; 45. and a circuit board chip.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a fastening assembly type vertical probe card comprises a PCB (printed circuit board) 1, wherein a fixing mechanism 3 is installed at the center position of the top end of the PCB 1, the fixing mechanism 3 comprises an upper cover plate 31, a fastening piece 32 is fixedly connected to the surface of the upper cover plate 31, a connecting mechanism 4 is installed at the top end of the upper cover plate 31, the connecting mechanism 4 comprises a top plate 41, a probe body 42 is installed at the top end of the top plate 41, the upper cover plate 31 and the top plate 41 are connected in a mutual inserting mode, and when the probe body 42 is partially damaged, a worker can conveniently and quickly replace the whole top plate 41;

further, the surface mounting of PCB board 1 has stop gear 2, and stop gear 2 includes stop ring board 21, and logical groove has been seted up on the surface of stop ring board 21, and leads to the groove and encircle the surface that distributes at stop ring board 21, and the coil alternates in the logical groove on stop ring board 21 surface to lead the coil spacing through the logical groove on stop ring board 21 surface, make the coil arrange in order, avoid the circuit in a jumble.

Further, the logical inslot wall fixedly connected with silica gel guide board 22 of spacing crown plate 21, and silica gel guide board 22 symmetric distribution is in the logical groove left and right sides of spacing crown plate 21, and the coil alternates from the logical groove on spacing crown plate 21 surface, and it is spacing to cover the top of coil through silica gel guide board 22 to guarantee the orderly arrangement of coil.

Further, fastener 32 is provided with four groups, and there is swivel nut 35 fastener 32's inside through fastening screw 33 threaded connection, and the surface of PCB board 1 is seted up with the through-hole of fastening screw 33 looks adaptation, runs through fastening screw 33 through four groups fastener 32's inside to install upper cover plate 31, then fix upper cover plate 31 in PCB board 1's central point department, avoid traditional veneer gluing mode to fix the thing of installing the deviation to appear easily and take place.

Further, the swivel nut 35 is inserted and established on the surface of lower cover plate 34, and the recess with swivel nut 35 looks adaptation is seted up to the bottom of lower cover plate 34, and the recess with lower cover plate 34 looks adaptation is seted up to the bottom of PCB board 1, places inside the recess of lower cover plate 34 through swivel nut 35 to disturb the minimizing with the installation, make things convenient for the staff to carry out the dismouting to swivel nut 35 simultaneously.

Further, the inner wall of the groove of the lower cover plate 34 is provided with a rubber pad, and the surface of the rubber pad is provided with anti-slip threads, when the screw sleeve 35 is placed on the inner wall of the groove of the lower cover plate 34, the rubber pad on the inner wall of the groove of the lower cover plate 34 extrudes the screw sleeve 35, so that the friction force between the screw sleeve 35 and the lower cover plate 34 is increased, the screw sleeve 35 is prevented from falling off, and meanwhile, the groove of the lower cover plate 34 can be suitable for the screw sleeve 35 with various sizes.

Further, the bottom left and right sides of roof 41 all is fixedly connected with glues piece 43, and the surface of upper cover plate 31 is seted up with the recess of gluing piece 43 looks adaptation, and the central point department of upper cover plate 31 is provided with circuit board chip 45, and when roof 41 was installed on the surface of upper cover plate 31, glue piece 43 extrusion block was inside the recess on upper cover plate 31 surface to with the fixed position of roof 41, avoid roof 41 not hard up in use to drop, guarantee the stability of roof 41.

Furthermore, a guide hole 44 is formed in the surface of the upper cover plate 31, the guide holes 44 are symmetrically distributed on the surface of the upper cover plate 31, when the top plate 41 and the upper cover plate 31 are installed in an overlapped mode, the coil is connected with the outside after passing through the guide hole 44, meanwhile, the guide hole 44 limits the coil, the flatness of the coil routing is guaranteed, and the influence on the installation stability of the rubber block 43 is avoided.

The working principle is as follows: when in use, as shown in fig. 1, fig. 2 and fig. 3, firstly, the circuit board chip 45 is placed at the central position of the upper cover plate 31, the coil is connected with the circuit board chip 45, the coil is inserted from the through groove on the surface of the limiting ring plate 21, and the top end of the coil is covered and limited by the silica gel guide plate 22, so that the orderly arrangement of the coil is ensured;

at the moment, a worker inserts the lower cover plate 34 at the bottom end of the PCB 1, places the threaded sleeve 35 inside the through hole at the bottom end of the lower cover plate 34, and extrudes and limits the threaded sleeve 35 through a rubber pad on the inner wall of the through hole, places the upper cover plate 31 at a designated position on the surface of the PCB 1 to enable the fastener 32 to be matched with the through hole on the surface of the PCB 1, and connects the circuit board chip 45 with the threaded sleeve 35 by penetrating through the fastener 32, thereby completing the installation of the upper cover plate 31;

secondly, place roof 41 in the central point of upper cover plate 31 and put the department, make gluey piece 43 insert establish inside the recess on upper cover plate 31 surface, after gluey piece 43 and upper cover plate 31 are closed completely, probe body 42's bottom is connected with circuit board chip 45 surface to accomplish probe body 42's butt joint work, above do the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. A secure assembly vertical probe card comprising a PCB board (1), characterized in that: the utility model discloses a probe structure, including PCB board (1), fixed establishment (3) are installed to the top central point department of putting of PCB board (1), fixed establishment (3) include upper cover plate (31), the fixed surface of upper cover plate (31) is connected with fastener (32), coupling mechanism (4) are installed on the top of upper cover plate (31), coupling mechanism (4) include roof (41), probe body (42) are installed on the top of roof (41).

2. The vertical probe card of claim 1, wherein: the surface mounting of PCB board (1) has stop gear (2), stop gear (2) include limit ring board (21), logical groove has been seted up on the surface of limit ring board (21), and leads to the groove and encircle the surface that distributes at limit ring board (21).

3. The vertical probe card of claim 2, wherein: the lead to groove inner wall fixedly connected with silica gel guide board (22) of spacing ring board (21), and silica gel guide board (22) symmetric distribution is in the logical groove left and right sides of spacing ring board (21).

4. The vertical probe card of claim 1, wherein: fastener (32) are provided with four groups, there are swivel nut (35) in the inside of fastener (32) through fastening screw (33) threaded connection, the through-hole with fastening screw (33) looks adaptation is seted up on the surface of PCB board (1).

5. The vertical probe card of claim 4, wherein: the screw sleeve (35) is inserted into the surface of the lower cover plate (34), a groove matched with the screw sleeve (35) is formed in the bottom end of the lower cover plate (34), and a groove matched with the lower cover plate (34) is formed in the bottom end of the PCB (1).

6. The vertical probe card of claim 5, wherein: the inner wall of the groove of the lower cover plate (34) is provided with a rubber pad, and the surface of the rubber pad is provided with anti-skid grains.

7. The vertical probe card of claim 1, wherein: the bottom left and right sides of roof (41) all fixedly connected with glues piece (43), the surface of upper cover plate (31) is seted up with the recess of gluing piece (43) looks adaptation, the central point department of putting of upper cover plate (31) is provided with circuit board chip (45).

8. The securely assembled vertical probe card of claim 7, wherein: the surface of the upper cover plate (31) is provided with guide holes (44), and the guide holes (44) are symmetrically distributed on the surface of the upper cover plate (31).

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