CN212693956U

CN212693956U - Special test probe

Info

Publication number: CN212693956U
Application number: CN202021123504.XU
Authority: CN
Inventors: 黄财仙
Original assignee: Shenzhen Shuntianxiang Electronics Co ltd
Current assignee: Shenzhen Shuntianxiang Electronics Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-12
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a special test probe, include the bottom plate and set up in the horizontal pole of bottom plate upper end, parallel arrangement between horizontal pole and the bottom plate, the cover has the fixed frame more than one on the horizontal pole, and the probe is all installed perpendicularly to the one end of fixed frame, and the both ends of horizontal pole all are equipped with a bracing piece perpendicularly, and the bracing piece lower extreme is all installed on the bottom plate, all is equipped with a spout perpendicularly on the opposite face of horizontal pole, and the slider is just all installed to spout department to the horizontal pole, and the equal slidable mounting of slider one end is in the spout, and the bottom plate install more than one adjustment mechanism. The utility model discloses simple structure can make things convenient for to carry on spacingly to the circuit board according to the adjustment limiting plate of circuit board to can establish corresponding fixed frame quantity according to the test point cover on the horizontal pole, and can transversely reach the fixed frame of longitudinal movement, until make the test point on the probe on the fixed frame and the circuit board set up relatively, after pushing down the horizontal pole, just can once only carry out synchronous test to so test point, increased efficiency.

Description

Special test probe

Technical Field

The utility model relates to a circuit board test technical field, concretely relates to special test probe.

Background

In the process of producing a circuit board, such as a printed circuit board, an electrical test is performed on the circuit board to determine whether electrical parameters (such as resistance, capacitance, or inductance) of components of the circuit board meet a standard. A common test method of a circuit board is to set test points on the circuit board, print solder paste on the surfaces of the test points, and directly contact solder paste portions of the test points through automated test equipment or online test equipment in combination with probes to obtain related electrical parameters.

In the test process, because the positions of the test points of different circuit boards are different, corresponding test jigs need to be manufactured for different circuit boards during the test, the manufacturing cost is high, and particularly in the test process in the research and development stage, because whether the circuit boards are produced in batch is not confirmed, at the moment, the condition that the jigs are wasted when the special jig is manufactured for testing can also occur.

Disclosure of Invention

The utility model aims to solve the technical problem that a special test probe is provided to solve the problem of proposing in the above-mentioned background art.

The utility model discloses a realize through following technical scheme: a special test probe comprises a bottom plate and a cross rod arranged at the upper end of the bottom plate, wherein the cross rod and the bottom plate are arranged in parallel, more than one fixing frame is sleeved on the cross rod, probes are vertically arranged at one end of each fixing frame, pressing plates are arranged inside the fixing frames, first bearings are arranged in the middles of the pressing plates in an embedded mode, first screw holes are arranged on the top surfaces of the fixing frames opposite to the first bearings, hand-screwed bolts are connected in the first screw holes in a threaded mode, one ends of the hand-screwed bolts are arranged in inner rings of the first bearings, the bottom surface of clamp plate all offsets with the surface of horizontal pole, and the both ends of horizontal pole all are equipped with a bracing piece perpendicularly, and the bracing piece lower extreme is all installed on the bottom plate, all is equipped with a spout perpendicularly on the opposite face of horizontal pole, and the horizontal pole just all installs the slider to spout department, and the equal slidable mounting of slider one end is in the spout, and the bottom plate is installed more than one adjustment mechanism on the surface.

As the preferred technical scheme, adjustment mechanism all includes the fixed block, the limiting plate, the second bearing, screw rod and hand wheel, the fixed block is all installed on the surface of bottom plate, all be equipped with the second screw hole that runs through the fixed block on the fixed block, the limiting plate all sets up in the inboard of fixed block, the equal embedded installation of second bearing is on the lateral surface of limiting plate, screw rod equal threaded connection and second screw hole in, screw rod one end is all installed in the inner ring of second bearing, the hand wheel is all installed on the other end of screw rod, more than one limiting plate form one with circuit board size assorted rectangle frame.

As preferred technical scheme, all install the spring on the bottom surface of spout, the spring upper end all offsets with the bottom surface of slider, and the equal opening setting in spout upper end.

As the preferred technical scheme, all be equipped with the file tooth layer on the bottom surface of clamp plate, the bottom surface on file tooth layer all offsets with the surface of horizontal pole.

The utility model has the advantages that: the utility model discloses simple structure can be according to the adjustment limiting plate of circuit board, makes the size phase-match of the rectangle frame that forms and circuit board between the limiting plate, has made things convenient for and has carried on spacingly to the circuit board to can establish corresponding fixed frame quantity according to the test point cover on the horizontal pole, and can transversely reach the fixed frame of longitudinal movement, until make the probe on the fixed frame and the relative setting of test point on the circuit board, after pushing down the horizontal pole, just can once only carry out synchronous test to so test point, increased efficiency.

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 schematic view of the overall structure of the present invention;

FIG. 2 is a partial cross-sectional view taken at A-A of FIG. 1;

fig. 3 is a top view of the middle bottom plate of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1, 2 and 3, the special test probe of the utility model comprises a bottom plate 1 and a cross bar 2 arranged on the upper end of the bottom plate 1, the cross bar 2 is arranged in parallel with the bottom plate 1, more than one fixing frame 3 is sleeved on the cross bar 2, a probe 7 is vertically arranged at one end of the fixing frame 3, a pressing plate 4 is arranged in the fixing frame 3, a first bearing 5 is arranged in the middle of the pressing plate 4 in an embedded manner, a first screw hole is arranged at the position of the top surface of the fixing frame 3 opposite to the first bearing 5, a hand-screwed bolt 6 is connected in the first screw hole in a threaded manner, one end of the hand-screwed bolt 6 is arranged in the inner ring of the first bearing 5, the bottom surface of the pressing plate 4 is abutted against the surface of the cross bar 2, two ends of the cross bar 2 are respectively and vertically provided with a support rod 71, the lower end of the support rod 71 is arranged on, the transverse rod 2 is provided with a sliding block 9 right opposite to the sliding groove 8, one end of the sliding block 9 is arranged in the sliding groove 8 in a sliding mode, and more than one adjusting mechanism is arranged on the surface of the bottom plate 1.

In this embodiment, adjustment mechanism all includes fixed block 12, limiting plate 13, second bearing 14, screw rod 15 and hand wheel 16, fixed block 12 all installs on bottom plate 1's the surface, all be equipped with the second screw hole that runs through the fixed block on fixed block 12, limiting plate 13 all sets up in the inboard of fixed block 12, the equal embedded installation of second bearing 14 is on limiting plate 13's lateral surface, screw rod 15 is in equal threaded connection and the second screw hole, screw rod 15 one end is all installed in the inner ring of second bearing 14, hand wheel 16 all installs on screw rod 15's the other end, limiting plate 13 more than one forms one with circuit board size assorted rectangle frame.

In this embodiment, all install spring 11 on the bottom surface of spout 8, spring 11 upper end all offsets with the bottom surface of slider 9, and the equal opening in spout 8 upper end sets up, and the phase-match has avoided rocking between slider and the spout, has increased stability.

In this embodiment, the bottom surface of the pressing plate 4 is provided with a filing layer, and the bottom surface of the filing layer is abutted to the surface of the cross rod 2.

The position of the limiting plates is adjusted according to the size of the circuit board, during adjustment, the hand wheel is rotated, the screw is driven by rotation of the hand wheel to move along the second screw hole, the limiting plates are driven by movement of the screw until a rectangular frame with the same size as the circuit board is formed between the limiting plates, and the circuit board can be placed in the rectangular frame right;

according to the quantity of the test point on the circuit board again, the fixed frame of the same quantity is established to the cover on the horizontal pole, when the cover is established, take out the slider along the opening of spout upper end, make fixed frame can be along the direct cover of slider on the horizontal pole, after the completion, insert the slider in the spout again, and according to the position removal fixed frame of test point, make fixed frame along horizontal pole lateral shifting, perhaps longitudinal movement, until making the probe just right to the test point, at this moment, rotate the hand and twist the bolt, the rotation that the bolt was twisted to the hand has driven the clamp plate, make the clamp plate can offset with the horizontal pole, thereby be fixed in fixed frame and probe locking on the horizontal pole.

After the completion, the transverse rod can be directly pressed downwards, the fixing frame and the probe are driven by the movement of the transverse rod until the bottom surface of the probe is electrically abutted to the test on the circuit board.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. A special test probe is characterized in that: comprises a bottom plate (1) and a cross rod (2) arranged at the upper end of the bottom plate (1), the cross rod (2) and the bottom plate (1) are arranged in parallel, more than one fixed frame (3) is sleeved on the cross rod (2), probes (7) are vertically arranged at one end of the fixed frame (3), a pressing plate (4) is arranged inside the fixed frame (3), a first bearing (5) is embedded in the middle of the pressing plate (4), first screw holes are arranged at the position, right opposite to the first bearing (5), of the top surface of the fixed frame (3), hand-screwed bolts (6) are in threaded connection in the first screw holes, one ends of the hand-screwed bolts (6) are arranged in inner rings of the first bearing (5), the bottom surface of the pressing plate (4) is abutted against the surface of the cross rod (2), supporting rods (71) are vertically arranged at the two ends of the cross rod (2), the lower ends of the supporting rods (71) are arranged on, all be equipped with a spout (8) perpendicularly on the opposite face of horizontal pole (2), horizontal pole (2) just all install slider (9) to spout (8) department, and the equal slidable mounting of slider (9) one end is in spout (8), and the surface of bottom plate (1) is installed more than one adjustment mechanism.

2. The specialized test probe of claim 1, wherein: adjustment mechanism all includes fixed block (12), limiting plate (13), second bearing (14), screw rod (15) and hand wheel (16), fixed block (12) are all installed on the surface of bottom plate (1), all be equipped with the second screw hole that runs through the fixed block on fixed block (12), limiting plate (13) all set up in the inboard of fixed block (12), equal embedded the installing on the lateral surface of limiting plate (13) of second bearing (14), screw rod (15) are in equal threaded connection and the second screw hole, screw rod (15) one end is all installed in the inner ring of second bearing (14), hand wheel (16) are all installed on the other end of screw rod (15), limiting plate (13) more than one form one with circuit board size assorted rectangle frame.

3. The specialized test probe of claim 1, wherein: all install spring (11) on the bottom surface of spout (8), spring (11) upper end all offsets with the bottom surface of slider (9), and spout (8) upper end is equal the opening setting.

4. The specialized test probe of claim 1, wherein: all be equipped with the file tooth layer on the bottom surface of clamp plate (4), the bottom surface on file tooth layer all offsets with the surface of horizontal pole (2).