CN212229134U

CN212229134U - Electronic component detection device

Info

Publication number: CN212229134U
Application number: CN202020849591.0U
Authority: CN
Inventors: 袁绩海; 王凯
Original assignee: Henan Vocational College of Water Conservancy and Environment
Current assignee: Henan Vocational College of Water Conservancy and Environment
Priority date: 2020-05-20
Filing date: 2020-05-20
Publication date: 2020-12-25
Anticipated expiration: 2030-05-20

Abstract

The utility model discloses an electronic components detection device relates to electronic components and detects technical field, specifically is an electronic components detection device, comprising a base plate, one side fixedly connected with stopper of bottom plate, the contact piece has been cup jointed to the inner wall of stopper, the top of stopper can be dismantled and is connected with the circuit board, the opposite side fixedly connected with pair cylinder of bottom plate, pair cylinder is close to one side fixedly connected with ejector pad of stopper. This electronic components detection device sets up through the cooperation of stopper and contact piece, makes this electronic components detection device possess the effect of correction pin, reduce cost, sets up through the cooperation of contact piece, probe and second spring, makes this electronic components detection device possess the effect of protection components and parts pin, improvement qualification rate, sets up through the cooperation of ejector pad, copper sheathing, makes this electronic components detection device possess the effect of convenient wiring, avoiding the short circuit.

Description

Electronic component detection device

Technical Field

The utility model relates to an electronic components detects technical field, specifically is an electronic components detection device.

Background

The electronic components are widely used, the existing mode can involve that the electronic components exist in devices for using electric energy, and before the electronic components are put into use, parameters such as quality, performance, voltage resistance and the like of the electronic components need to be detected.

At present, a device for detecting electronic components has defects, on one hand, the device cannot detect components with pins having size deviation, the requirement on the size precision of incoming materials is high, and the feeding cost is increased; on one hand, the detection device can damage the pins of the components; on one hand, the distance between the pins of the component is small, and the direct welding of the cable on the probe is difficult and the short circuit is easy to occur due to the close distance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an electronic components detection device has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an electronic components detection device, includes the bottom plate, one side fixedly connected with stopper of bottom plate, the inner wall of stopper has cup jointed the contact piece, the top of stopper can be dismantled and is connected with the circuit board, the opposite side fixedly connected with pair cylinder of bottom plate, pair cylinder is close to one side fixedly connected with ejector pad of stopper, one side fixedly connected with copper sheathing that the ejector pad is close to the stopper, the top welding of copper sheathing has the detection cable, the inner wall of copper sheathing and stopper one side all sliding connection have the probe, the middle part fixedly connected with snap ring of probe, first spring has been cup jointed between snap ring and the stopper, the second spring has been cup jointed between snap ring and the copper sheathing.

Preferably, the limiting block, the contact block and the push block are made of nylon.

Preferably, the stopper includes the stopper cylinder, the circuit board location circular slot has been seted up to the upper surface of stopper cylinder, the spacing hole of contact piece has been seted up to the bottom surface of circuit board location circular slot, circuit board location circular slot all is provided with the technology chamfer with the upper end in the spacing hole of contact piece, the technology groove has all been seted up to stopper cylinder front and back, the spacing hole of probe has been seted up to one side of stopper cylinder.

Preferably, the contact block comprises a contact block cylinder, a pin guide groove is formed in one side of the contact block cylinder, a guide chamfer is arranged at the upper end of the pin guide groove, and a collision auxiliary surface is arranged on the lower surface, close to the pin guide groove, of the contact block cylinder.

Preferably, the circuit board is circular in appearance, the pins are welded on the lower surface of the circuit board, the number of the pins is three, the distance between the pins and the axis of the circuit board is the same as the distance between the collision auxiliary surface and the axis of the contact block, and the width of the pins is smaller than that of the pin guide grooves.

Preferably, the diameter of the circuit board is smaller than that of the circuit board positioning circular groove, and a gap is formed between the circuit board and the contact block.

Preferably, when the duplex cylinder pushes out the push block, the probe is contacted with the pin, and when the duplex cylinder pulls back the push block, the end part of the probe returns to the probe limiting hole.

Preferably, the copper sleeve comprises a copper pipe, one end of the copper pipe is fixedly connected with a wiring block, and a welding hole is formed in the upper surface of the wiring block.

(III) advantageous effects

The utility model provides an electronic components detection device possesses following beneficial effect:

1. this electronic components detection device, cooperation through stopper and contact piece sets up, make this electronic components detection device possess the correction pin, reduce cost's effect, even the pin slope of the circuit board of supplied materials or there is size deviation, pin guide way and direction chamfer on the contact piece all can rectify the pin to the true position during the positioning circuit board, circuit board location circular slot on the cooperation stopper has realized the function of correction pin, further reduced the required precision to the supplied materials, thereby the cost of circuit board supplied materials has been reduced.

2. This electronic components detection device, through the contact piece, the cooperation setting of probe and second spring, make this electronic components detection device possess the protection components and parts pin, the effect of improvement qualification rate, in the use, the collision auxiliary surface of contact piece is hugged closely to one side of pin, the probe is pressed hard when the pin opposite side, the pin can not take place to warp, the probe compresses tightly the thrust of the power of pin and non-cylinder, but the elasticity of second spring, the power that the probe pressed on the pin is along with the deflection increase of spring and increase, can not assault pin output, the effect of protection pin has been reached, further reduction the risk that detection device damaged components and parts, the qualification rate of production has been improved.

3. This electronic components detection device sets up through the cooperation of ejector pad, copper sheathing, makes this electronic components detection device possess convenient wiring, avoids the effect of short circuit, can take off the convenient position bonding wire to the copper sheathing during welding detection cable, then the reloading is gone into, has greatly made things convenient for the technology of wiring, and the ejector pad is the lug restriction in different position, and further increase the interval of three detection wires, has reached the purpose of avoiding detecting the wire short circuit.

Drawings

Fig. 1 is a schematic structural view of an appearance view of the present invention;

FIG. 2 is a schematic structural view of a partial exploded view of the present invention;

FIG. 3 is a schematic structural view of the stopper of the present invention;

fig. 4 is a schematic structural view of the contact block of the present invention;

fig. 5 is a schematic structural view of the copper bush of the present invention.

In the figure: 1. a base plate; 2. a limiting block; 201. a limiting block cylinder; 202. a circuit board positioning circular groove; 203. a contact block limiting hole; 204. chamfering; 205. a process tank; 206. a probe limiting hole; 3. a contact block; 301. a contact block column; 302. a pin guide groove; 303. guiding and chamfering; 304. a collision assisting surface; 4. a circuit board; 401. a pin; 5. a duplex cylinder; 6. a push block; 7. a copper sleeve; 701. a copper pipe; 702. a junction block; 703. welding the hole; 8. detecting the cable; 9. a probe; 901. a snap ring; 10. a first spring; 11. a second spring.

Detailed Description

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: an electronic component detection device comprises a bottom plate 1, wherein the bottom plate 1 is used for fixing various parts, one side of the bottom plate 1 is fixedly connected with a limiting block 2, the limiting block 2 is not conductive, the limiting block 2 comprises a limiting block cylinder 201, the upper surface of the limiting block cylinder 201 is provided with a circuit board positioning circular groove 202, the circuit board positioning circular groove 202 is used for limiting a circuit board 4, the bottom surface of the circuit board positioning circular groove 202 is provided with a contact block limiting hole 203, the contact block limiting hole 203 is used for assembling a contact block 3, the upper ends of the circuit board positioning circular groove 202 and the contact block limiting hole 203 are both provided with a process chamfer 204, the process chamfer 204 is arranged in the circuit board 4 for convenience, the front and the rear parts of the limiting block cylinder 201 are both provided with process grooves 205, the process grooves 205 are convenient for grabbing and putting the circuit board 4, one side of, the inner wall of the limiting block 2 is sleeved with the contact block 3, the contact block 3 comprises a contact block cylinder 301, one side of the contact block cylinder 301 is provided with a pin guide groove 302, the upper end of the pin guide groove 302 is provided with a guide chamfer 303, the guide chamfer 303 is used for correcting a pin 401, the lower surface of the contact block cylinder 301 close to the pin guide groove 302 is provided with a collision auxiliary surface 304, the collision auxiliary surface 304 is used for preventing the pin 401 from deforming when receiving the force of a probe 9, a circuit board 4 is detachably connected above the limiting block 2, the appearance of the circuit board 4 is round, pins 401 are welded on the lower surface of the circuit board 4, the number of the pins 401 is three, the size of the pins 401 from the axis of the circuit board 4 is the same as the size of the collision auxiliary surface 304 from the axis of the contact block 3, the width of the pins 401 is smaller than the width, the diameter of the circuit board 4 is smaller than that of the circuit board positioning circular groove 202, so that the assembly is required to be smooth and the shaking is required to be small, a gap is formed between the circuit board 4 and the contact block 3, in order to prevent components on the lower surface of the circuit board 4 from being touched, the other side of the bottom plate 1 is fixedly connected with the duplex cylinder 5, the duplex cylinder 5 has the function of preventing the shaking, one side, close to the limiting block 2, of the duplex cylinder 5 is fixedly connected with the push block 6, the limiting block 2, the contact block 3 and the push block 6 are made of nylon and non-conductive nylon, one side, close to the limiting block 2, of the push block 6 is fixedly connected with the copper sleeve 7, the copper sleeve 7 comprises a copper pipe 701, one end of the copper pipe 701 is fixedly connected with the junction block 702, the upper surface of the junction block 702 is provided with a welding hole 703, a detection cable 8 is welded, a first spring 10 is sleeved between the snap ring 901 and the limiting block 2, a second spring 11 is sleeved between the snap ring 901 and the copper sleeve 7, when the duplex cylinder 5 pushes out the push block 6, the probe 9 is in contact with the pin 401, and when the duplex cylinder 5 pulls back the push block 6, the end part of the probe 9 returns to the probe limiting hole 206.

When the detection device is used, firstly, the duplex cylinder 5 is in the original position, the probe 9 is retracted into the probe limiting hole 206 by the elastic end of the first spring 10, the probe 9 cannot be completely separated from the limiting block 2 due to the elastic force of the second spring 11, the circuit board 4 is further placed in the circuit board positioning circular groove 202, meanwhile, the three pins 401 are respectively inserted into the three pin guide grooves 302, the limiting block 2 is provided with the process chamfer 204, and the contact block 3 is provided with the guide chamfer 303, so that the pins 401 can be installed even if the pins 401 have deviation, the duplex cylinder 5 further acts, the probe 9 presses the pins 401 at the elastic lower end of the second spring 11, the connection of the detection cable 8 and the pins 401 is completed, after the detection is completed, the duplex cylinder 5 returns to the original position, the probe 9 is separated from the pins 401, the circuit board 4 is further taken out from the process groove 205, and the detection.

In summary, the pins 401 of the electronic component are small and long, the incoming material is likely to deform, the positioning tool during detection needs to have the function of correcting the pins 401, the cost is increased by independently depending on the accuracy of the incoming material of a supplier, the pins 401 are generally silver-plated or gold-plated, and need to be buffered by a spring if the pins cannot collide with each other, and the pins 401 have small intervals, so that the wires of the detection cables 8 are inconvenient to connect, and are easy to be put together for short circuit, so that the wires need to be connected and then assembled, and the detection cables 8 need to be separated during assembly. This electronic components detection device, through stopper 2 and contact piece 3's cooperation setting, make this electronic components detection device possess correction pin 401, reduce cost's effect, through contact piece 3, probe 9 and second spring 11's cooperation setting, make this electronic components detection device possess protection components and parts pin 401, improve the effect of qualification rate, through ejector pad 6, copper sheathing 7's cooperation setting, make this electronic components detection device possess convenient wiring, avoid the effect of short circuit.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an electronic components detection device, includes bottom plate (1), its characterized in that: one side of the bottom plate (1) is fixedly connected with a limiting block (2), the inner wall of the limiting block (2) is sleeved with a contact block (3), a circuit board (4) is detachably connected above the limiting block (2), a duplex cylinder (5) is fixedly connected with the other side of the bottom plate (1), one side of the duplex cylinder (5) close to the limiting block (2) is fixedly connected with a push block (6), one side of the push block (6) close to the limiting block (2) is fixedly connected with a copper sleeve (7), a detection cable (8) is welded above the copper sleeve (7), the inner wall of the copper sleeve (7) and one side of the limiting block (2) are both connected with a probe (9) in a sliding way, a snap ring (901) is fixedly connected to the middle part of the probe (9), a first spring (10) is sleeved between the snap ring (901) and the limiting block (2), and a second spring (11) is sleeved between the snap ring (901) and the copper sleeve (7).

2. The electronic component detection device according to claim 1, wherein: the limiting block (2), the contact block (3) and the push block (6) are made of nylon.

3. The electronic component detection device according to claim 1, wherein: the limiting block (2) comprises a limiting block cylinder (201), a circuit board positioning circular groove (202) is formed in the upper surface of the limiting block cylinder (201), a contact block limiting hole (203) is formed in the bottom surface of the circuit board positioning circular groove (202), a process chamfer (204) is arranged on the circuit board positioning circular groove (202) and the upper end of the contact block limiting hole (203), a process groove (205) is formed in the front and rear portion of the limiting block cylinder (201), and a probe limiting hole (206) is formed in one side of the limiting block cylinder (201).

4. The electronic component detection device according to claim 1, wherein: the contact block (3) comprises a contact block column body (301), a pin guide groove (302) is formed in one side of the contact block column body (301), a guide chamfer (303) is arranged at the upper end of the pin guide groove (302), and a collision auxiliary surface (304) is arranged on the lower surface, close to the pin guide groove (302), of the contact block column body (301).

5. The electronic component detection device according to claim 1, wherein: the circuit board (4) is circular in appearance, the pins (401) are welded on the lower surface of the circuit board (4), the number of the pins (401) is three, the distance between the pins (401) and the axis of the circuit board (4) is the same as the distance between the collision auxiliary surface (304) and the axis of the contact block (3), and the width of the pins (401) is smaller than that of the pin guide grooves (302).

6. The electronic component detection device according to claim 1, wherein: the diameter of the circuit board (4) is smaller than that of the circuit board positioning circular groove (202), and a gap is formed between the circuit board (4) and the contact block (3).

7. The electronic component detection device according to claim 1, wherein: when the duplex cylinder (5) pushes out the push block (6), the probe (9) is contacted with the pin (401), and when the duplex cylinder (5) pulls back the push block (6), the end part of the probe (9) returns to the probe limit hole (206).

8. The electronic component detection device according to claim 1, wherein: the copper sleeve (7) comprises a copper pipe (701), one end of the copper pipe (701) is fixedly connected with a wiring block (702), and a welding hole (703) is formed in the upper surface of the wiring block (702).