CN111257739A - Automobile console circuit board test fixture and use method thereof - Google Patents

Abstract

The invention relates to a test fixture for a circuit board of an automobile center console, in particular to a test fixture for a circuit board of an automobile center console and a using method thereof. The automobile central console circuit board detection device comprises a mounting seat, a detection seat and a pressing structure which is rotatably connected to the detection seat, wherein when the pressing structure presses down, a detection cavity for accommodating the automobile central console circuit board is formed between the detection seat and the pressing structure. The invention has the advantages that: when pushing down the mechanism and pushing down, detect and form the detection chamber that is used for holding car center console circuit board between seat and the mechanism that pushes down, car center console circuit board is placed and is detected in detecting the chamber, and is simple and convenient, can make things convenient for quick to fix a position and press from both sides tight car center console circuit board, improves the reliability of location.

Description

Automobile console circuit board test fixture and use method thereof

Technical Field

The invention relates to a test fixture for a circuit board of an automobile center console, in particular to a test fixture for a circuit board of an automobile center console and a using method thereof.

Background

In the production and processing process of the automobile center console circuit board, the automobile center console circuit board must be correspondingly tested before leaving the factory so as to ensure the quality of the automobile center console circuit board.

In the process of testing the performance of the circuit board of the automobile console, the circuit board of the automobile console must be clamped and positioned by corresponding clamps. Wherein, have the car console circuit board test fixture product of the form variety among the prior art, but present anchor clamps product all adopts holding down plate vertical lift's mode to realize the fixed of car console circuit board, and this kind of fixed mode lacks the stop gear to the holding down plate.

Disclosure of Invention

In order to overcome at least part of defects in the prior art, the embodiment of the invention provides a test fixture for a circuit board of an automobile console and a use method thereof, which can effectively position the circuit board of the automobile console and improve the stability and reliability of positioning.

The technical scheme provided by the invention is as follows: a test fixture for a circuit board of an automobile center console comprises a mounting seat, a detection seat and a pressing structure which is rotatably connected to the detection seat, wherein when the pressing structure presses down, a detection cavity for accommodating the circuit board of the automobile center console is formed between the detection seat and the pressing structure;

the detection seat comprises a detection seat body and support plates symmetrically arranged on the detection seat body, the support plates are perpendicular to the detection seat body, a first side and a second side are transversely defined on the support plates, a first guide groove is formed in the inner side of the first side of the support plates, hinge holes are formed in the second side of the support plates, and hinge shafts are rotatably connected in the hinge holes;

the downward pressing mechanism comprises a cavity with an opening at the lower end and a downward pressing rod for pressing the cavity downward, the cavity is provided with an upper cover, an ejector pin matched with a positioning contact on a circuit board of the automobile central console is connected to the upper cover, an arc-shaped plate is connected to the outer side of the side face of the cavity, the arc-shaped plate is rotatably connected to the downward pressing rod, and the downward pressing rod is also connected with a first guide shaft moving in the first guide groove;

the hinged shaft penetrates through the arc-shaped plate and is connected with the side face of the cavity, a second guide groove is formed in the second side of the supporting plate, a second guide shaft connected with the side face of the cavity is arranged in the second guide groove, and the arc-shaped plate is movably connected with the supporting plate through the second guide shaft moving in the second guide groove;

when the first guide shaft is positioned at the bottom of the first guide groove, the ejector pin is perpendicular to the upper surface of the detection seat, and the ejector pin is contacted with a positioning contact on a circuit board of the automobile central console.

Furthermore, the buffer mechanism is connected to the supporting plate, one end of the buffer mechanism is connected to the supporting plate, and the other end of the buffer mechanism is connected to the side face of the cavity.

Furthermore, buffer structure includes pneumatic buffer rod, first bulb connecting rod and second bulb connecting rod, the one end of first bulb connecting rod is connected on the pneumatic buffer rod, and the other end is connected on the side of cavity, the one end of second bulb connecting rod is connected on the pneumatic buffer rod, and the other end passes through the connecting piece and connects in on the backup pad.

Further, first guide way includes the joint portion that the motion portion was fixed a position with first guiding axle when depression bar pushes down, the motion portion be with joint portion intercommunication the motion portion with have the fillet that is used for the transition between the joint portion.

Furthermore, the lower pressure rod is connected with a rotary connecting mechanism, the rotary connecting mechanism comprises a first connecting plate and a second connecting plate which are connected with each other, the first connecting plate is rotatably connected to the lower pressure rod, and the second connecting plate is fixedly connected to the arc-shaped plate.

Furthermore, an installation groove for accommodating the second connecting plate is formed in the inner side of the arc-shaped plate, and the second connecting plate is fixed in the installation groove.

Further, the connecting piece is including connecting respectively first plate body and second plate body on the side of cavity, first plate body with second plate body interconnect, the second plate body perpendicular to detect the seat second plate body inboard has seted up and has held the recess of depression bar.

Furthermore, the number of the lower pressing rods is two, the lower pressing rods are symmetrically arranged along the transverse central axis of the detection seat, a connecting rod is connected between the two lower pressing rods, and the arc-shaped plates correspond to the lower pressing rods one to one.

Further, the upper cover is a cover body made of a transparent material.

The invention also relates to a use method of the test fixture for the circuit board of the automobile center console, which comprises the following steps:

s1, providing a to-be-tested automobile central console circuit board, and placing the to-be-tested automobile central console circuit board on the detection seat;

s2, pulling the lower pressing rod to press downwards, and driving the arc-shaped plate and the cavity connected to the arc-shaped plate to rotate downwards until the first guide shaft enters the first guide groove;

and S3, pulling the lower pressing rod to press downwards, wherein the arc-shaped plate and the cavity rotate downwards continuously until the first guide shaft enters the bottom of the first guide groove, and the ejector pin is vertical to the upper surface of the detection seat and contacts with a positioning contact on the circuit board of the automobile central console.

Has the advantages that: the invention relates to a test fixture for a circuit board of an automobile console, which comprises a mounting seat, a detection seat and a pressing structure which is rotatably connected to the detection seat, wherein when the pressing structure presses down, a detection cavity for accommodating the circuit board of the automobile console is formed between the detection seat and the pressing structure, and the circuit board of the automobile console is placed in the detection cavity for detection, so that the test fixture is simple and convenient;

in addition, the pressing mechanism comprises a cavity with an opening at the lower end and a pressing rod for pressing the cavity downwards, the cavity is provided with an upper cover, the upper cover is connected with an ejector pin matched with a positioning contact on the circuit board of the central console of the automobile, the outer side of the side surface of the cavity is connected with an arc-shaped plate, the arc-shaped plate is rotatably connected on the pressing rod, the pressing rod is also connected with a first guide shaft moving in a first guide groove, when the first guide shaft is positioned at the bottom of the first guide groove, the ejector pin is vertical to the upper surface of the detection seat and is contacted with the positioning contact on the circuit board of the central console of the automobile, the position of the first guide shaft is guided and limited by the first guide groove, so that the pressing rod connected on the first guide shaft cannot move continuously after the first guide shaft reaches a designated position, because the ejector pin is vertical to the upper surface of the detection seat at the moment and the ejector pin is contacted with the positioning, therefore, the thimble is effectively prevented from being separated from the positioning contact in the detection process, the positioning stability and reliability are improved, and the automobile center console circuit board is convenient to detect.

The application method of the test fixture for the circuit board of the automobile console can conveniently and quickly position and clamp the circuit board of the automobile console, and improves the positioning reliability.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced 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 the drawings without creative efforts

FIG. 1 is a schematic view of the overall structure of the circuit board testing fixture for the center console of the automobile.

Fig. 2 is a schematic view of the mechanism of fig. 1 with the support plate removed.

Fig. 3 is a schematic structural view of the support plate of fig. 1.

Fig. 4 is a schematic view of the rotary connection mechanism of fig. 2.

Fig. 5 is a schematic diagram of the exploded structure of fig. 1.

Detailed Description

While the invention will be described in detail and with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments, and that various other changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention.

Referring to fig. 1 to 5, in a preferred embodiment of the present invention, the fixture for testing a circuit board of an automotive console comprises a mounting base 1, a detecting base 2 and a pressing structure 3 rotatably connected to the detecting base 2, wherein when the pressing structure 3 presses down, a detecting cavity (not shown) for accommodating the circuit board of the automotive console (not shown) is formed between the detecting base 2 and the pressing structure 3, and during a detection process, the circuit board of the automotive console is placed in the detecting cavity, and then the circuit board of the automotive console is pressed by the pressing structure 3, so as to facilitate subsequent detection of the circuit board of the automotive console. The detection seat 1 comprises a detection seat body 11 and a support plate 12 symmetrically arranged on the detection seat body 11, wherein the support plate 12 is perpendicular to the detection seat body 11, the support plate 12 is transversely defined with a first side (not shown) and a second side (not shown), the inner side of the first side of the support plate 12 is provided with a first guide groove 121, the second side of the support plate 12 is provided with a hinge hole (not shown), and a hinge shaft 122 is rotatably connected in the hinge hole. The pressing mechanism 3 comprises a cavity 31 with an opening at the lower end and a pressing rod 32 for pressing the cavity 31, the cavity 31 is provided with an upper cover 311, the upper cover 311 is connected with an ejector pin (not shown) matched with a positioning contact point on a circuit board of an automobile center console, the outer side of the side surface of the cavity 31 is connected with an arc plate 33, the arc plate 33 is rotatably connected on the pressing rod 32, and the pressing rod 32 is further connected with a first guide shaft 321 which moves in the first guide groove 121. The hinge shaft 122 penetrates through the arc-shaped plate 33 and is connected with the side surface of the cavity 31, a second guide groove 123 is formed in the second side of the support plate 12, a second guide shaft 124 connected with the side surface of the cavity 31 is arranged in the second guide groove 123, and the arc-shaped plate 33 is movably connected with the support plate 12 through the second guide shaft 124 moving in the second guide groove 123. When the first guide shaft 321 is located at the bottom of the first guide groove 121, the ejector pin is perpendicular to the upper surface of the detection seat 11, and the ejector pin contacts with a positioning contact on a circuit board of the automobile console. The position of the first guide shaft 321 is guided and limited through the first guide groove 121, so that the lower pressing rod connected to the first guide shaft 321 cannot move continuously after the first guide shaft 321 reaches a specified position, and the ejector pin is perpendicular to the upper surface of the detection seat 11 and contacts with a positioning contact on the automobile center console circuit board, so that the ejector pin is effectively prevented from being separated from the positioning contact in the detection process, the stability and the reliability of positioning are improved, and the automobile center console circuit board is convenient to detect.

Referring to fig. 1, 2 and 5, in the above embodiment, the buffer mechanism 4 is further included, which is connected to the support plate 12, and one end of the buffer mechanism 4 is connected to the support plate 12, and the other end is connected to a side surface of the cavity 31. Through the arrangement of the buffer mechanism 4, the impact of the ejector pin on the circuit board of the automobile center console is reduced when the cavity 31 is pressed down, and the probability of damage of the circuit board of the automobile center console is reduced.

Referring to fig. 1, 2 and 5, in the above embodiment, the buffering structure 4 includes a pneumatic buffer rod 41, a first ball connecting rod 42 and a second ball connecting rod 43, one end of the first ball connecting rod 42 is connected to the pneumatic buffer rod 41, the other end is connected to the side surface of the cavity 31, one end of the second ball connecting rod 43 is connected to the pneumatic buffer rod 41, and the other end is connected to the supporting plate 11 through the connecting member 5. Through the arrangement of the first ball head connecting rod 42 and the second ball head connecting rod 43, the interference of the pneumatic buffer rod 41 to the movement of the cavity can be prevented, and the movement fluency can be improved.

Referring to fig. 4, in the above embodiment, the first guide groove 121 includes a moving portion 1211 and a catching portion 1212 for positioning the first guide shaft 321 when the pressing-down lever 32 is pressed down, the moving portion 1211 is in communication with the catching portion 1212, and a round corner for transition is formed between the moving portion 1211 and the catching portion 1212. Through the setting of joint portion 1212, be convenient for with first guiding axle 321 joint in joint portion 1212 to carry on spacingly to the position of depression bar 32.

Referring to fig. 3, in the above embodiment, the lower pressing rod 32 is connected with the rotating connecting mechanism 6, the rotating connecting mechanism 6 comprises a first connecting plate 61 and a second connecting plate 62 which are connected with each other, the first connecting plate 61 is rotatably connected to the lower pressing rod 32, and the second connecting plate 62 is fixedly connected to the arc-shaped plate 33. The first connecting plate 61 and the second connecting plate 62 are arranged to enable the lower pressing rod 32 to rotate relative to the arc-shaped plate 33.

Referring to fig. 4, in the above embodiment, an installation groove (not shown) for accommodating the second connection plate 62 is formed inside the arc plate 33, and the second connection plate 62 is fixed in the installation groove. By providing the mounting groove, the second connecting plate 62 can be accommodated in the mounting groove (not shown), and the possibility of interference between the cavity 31 and the second connecting plate 62 is reduced.

Referring to fig. 1, 2 and 5, in the above embodiment, the connecting member 5 includes a first plate 51 and a second plate 52 respectively connected to the side surfaces of the cavity 31, the first plate 51 and the second plate 52 are connected to each other, the second plate 52 is perpendicular to the detection seat 1, and a groove 521 for accommodating the pressing rod 32 is formed on the inner side of the second plate 52. Through the arrangement of the groove 521, the pressing rod 32 can move in the groove 521, and the possibility of interference between the pressing rod 32 and the second plate body 52 is reduced.

Referring to fig. 1, 2 and 5, in the above embodiment, the number of the lower pressing rods 32 is two, the lower pressing rods 32 are symmetrically arranged along the transverse central axis of the detection seat, the connecting rod 7 is connected between the two lower pressing rods 32, and the arc-shaped plates 33 correspond to the lower pressing rods 32 one by one. In practical implementation, the down-pressure rod 32 is moved by pressing the connecting rod 7.

Referring to fig. 1, 2 and 5, in the above embodiment, the upper cover 311 is a cover body made of a transparent material. Through the setting of transparent lid, be convenient for observe the condition that compresses tightly in detecting chamber 31 to in time discover compress tightly unusual circumstances such as not in place.

The invention also relates to a use method of the test fixture for the circuit board of the automobile center console, which comprises the following steps:

s1, providing a to-be-tested automobile central console circuit board, and placing the to-be-tested automobile central console circuit board on the detection seat 1;

s2, pulling the lower pressing rod 32 to press down, so as to drive the arc plate 33 and the cavity 31 connected to the arc plate 33 to rotate downward until the first guiding axle 321 enters the first guiding groove 121;

s3, the push-down lever 32 is pulled to push down, and at this time, the arc-shaped plate 33 and the cavity 31 continue to rotate downward until the first guide shaft 321 enters the bottom of the first guide groove 121, and at this time, the ejector pin is perpendicular to the upper surface of the detection base 11, and the ejector pin contacts with the positioning contact on the circuit board of the console of the automobile.

The application method of the test fixture for the circuit board of the automobile console can conveniently and quickly position and clamp the circuit board of the automobile console, and improves the positioning reliability.

Referring to fig. 1 to 5, the operation principle of the test fixture for a circuit board of an automobile console according to the present invention will be described in detail with reference to the method for using the test fixture for a circuit board of an automobile console. Firstly, placing a circuit board of an automobile central console to be tested on a detection seat 11, and then pulling a connecting rod 7 to press down; connecting rod 7 drives depression bar 32 and rotates along articulated shaft 122 down, and then make arc 33 and the cavity 31 of being connected on the depression bar rotate along articulated shaft 122, until the first guiding axle 321 of being connected on depression bar 32 gets into the motion portion of first guide way 121, later continue to push down connecting rod 7, first guiding axle 321 continues the motion in first guide way 121, until first guiding axle 321 gets into first guide way 121 and gets into joint portion 1212, make depression bar 32 can't continue to push down, the thimble is perpendicular with the test seat upper surface this moment, and the thimble contacts with the location contact on the accuse platform circuit board in the car, thereby effectively prevent the testing process, the thimble breaks away from the location contact.

The principle and the implementation mode of the invention are explained by applying specific embodiments in the invention, and the description of the embodiments is only used for helping to understand the method and the core idea of the invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (10)

1. The utility model provides a car center console circuit board test fixture which characterized in that: the automobile central console circuit board detection device comprises a mounting seat, a detection seat and a pressing structure which is rotatably connected to the detection seat, wherein when the pressing structure presses downwards, a detection cavity for accommodating the automobile central console circuit board is formed between the detection seat and the pressing structure;

the detection seat comprises a detection seat body and support plates symmetrically arranged on the detection seat body, the support plates are perpendicular to the detection seat body, a first side and a second side are transversely defined on the support plates, a first guide groove is formed in the inner side of the first side of the support plates, hinge holes are formed in the second side of the support plates, and hinge shafts are rotatably connected in the hinge holes;

the downward pressing mechanism comprises a cavity with an opening at the lower end and a downward pressing rod for pressing the cavity downward, the cavity is provided with an upper cover, an ejector pin matched with a positioning contact on a circuit board of the automobile central console is connected to the upper cover, an arc-shaped plate is connected to the outer side of the side face of the cavity, the arc-shaped plate is rotatably connected to the downward pressing rod, and the downward pressing rod is also connected with a first guide shaft moving in the first guide groove;

the hinged shaft penetrates through the arc-shaped plate and is connected with the side face of the cavity, a second guide groove is formed in the second side of the supporting plate, a second guide shaft connected with the side face of the cavity is arranged in the second guide groove, and the arc-shaped plate is movably connected with the supporting plate through the second guide shaft moving in the second guide groove;

when the first guide shaft is positioned at the bottom of the first guide groove, the ejector pin is perpendicular to the upper surface of the detection seat, and the ejector pin is contacted with a positioning contact on a circuit board of the automobile central console.

2. The vehicle console circuit board testing fixture of claim 1, further comprising a buffer mechanism connected to the supporting plate, wherein one end of the buffer mechanism is connected to the supporting plate, and the other end of the buffer mechanism is connected to a side surface of the cavity.

3. The vehicle console circuit board testing fixture of claim 2, wherein the buffering structure comprises a pneumatic buffering rod, a first ball-head connecting rod and a second ball-head connecting rod, one end of the first ball-head connecting rod is connected to the pneumatic buffering rod, the other end of the first ball-head connecting rod is connected to the side surface of the cavity, one end of the second ball-head connecting rod is connected to the pneumatic buffering rod, and the other end of the second ball-head connecting rod is connected to the supporting plate through a connecting piece.

4. The vehicle console circuit board testing jig of claim 1, wherein the first guide groove comprises a moving portion and a clamping portion for positioning the first guide shaft when the down-pressure lever is pressed down, the moving portion is communicated with the clamping portion, and a round corner for transition is formed between the moving portion and the clamping portion.

5. The vehicle console circuit board testing fixture as defined in claim 1, wherein the lower pressing rod is connected with a rotary connecting mechanism, the rotary connecting mechanism comprises a first connecting plate and a second connecting plate which are connected with each other, the first connecting plate is rotatably connected to the lower pressing rod, and the second connecting plate is fixedly connected to the arc-shaped plate.

6. The vehicle console circuit board testing fixture of claim 1, wherein an installation groove for accommodating the second connection plate is formed on the inner side of the arc plate, and the second connection plate is fixed in the installation groove.

7. The vehicle console circuit board testing fixture as claimed in claim 3, wherein the connecting member comprises a first plate and a second plate respectively connected to the side surfaces of the cavity, the first plate and the second plate are connected to each other, the second plate is perpendicular to the detection seat, and a groove for accommodating the pressing rod is formed in the inner side of the second plate.

8. The vehicle console circuit board test fixture according to claim 1, wherein the number of the press-down rods is two, the press-down rods are symmetrically arranged along a transverse central axis of the detection seat, a connecting rod is connected between the two press-down rods, and the arc-shaped plates correspond to the press-down rods one to one.

9. The vehicle console circuit board testing jig of claim 1, wherein the upper cover is a cover body made of a transparent material.

10. The use method of the test fixture for the circuit board of the automobile center console according to claim 1, characterized by comprising the following steps:

s1, providing a to-be-tested automobile central console circuit board, and placing the to-be-tested automobile central console circuit board on the detection seat;

s2, pulling the lower pressing rod to press downwards, and driving the arc-shaped plate and the cavity connected to the arc-shaped plate to rotate downwards until the first guide shaft enters the first guide groove;

and S3, pulling the lower pressing rod to press downwards, wherein the arc-shaped plate and the cavity rotate downwards continuously until the first guide shaft enters the bottom of the first guide groove, and the ejector pin is vertical to the upper surface of the detection seat and contacts with a positioning contact on the circuit board of the automobile central console.

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