阅读说明：本技术 一种电路板检测用探针结构 (Probe structure for detecting circuit board ) 是由 胡佳杰 于 2021-09-13 设计创作，主要内容包括：本发明涉及一种电路板检测用探针结构,所述电路板检测用探针结构包括：底部开设有孔的装配箱以及与装配箱开设的孔适配且活动设置在所述装配箱上的金属套筒,所述金属套筒上还开设有限位孔,所述装配箱两侧还开设有通孔；限位块,所述限位块与所述限位孔适配且活动设置在所述装配箱内；探针组件,所述探针组件活动设置在所述金属套筒内,所述探针组件用于检测电路板；卡合机构,所述卡合机构与所述限位块连接,所述卡合机构在所述金属套筒朝向所述装配箱内运动时驱动所述限位块进入所述限位孔内；弹性组件,所述弹性组件活动对称设置在所述装配箱内且与所述卡合机构连接；驱动机构,所述驱动机构与所述金属套筒适配且与所述卡合机构连接。(The invention relates to a probe structure for detecting a circuit board, which comprises: the bottom of the assembly box is provided with a hole, and a metal sleeve which is matched with the hole formed in the assembly box and is movably arranged on the assembly box is also provided with a limiting hole, and both sides of the assembly box are also provided with through holes; the limiting block is matched with the limiting hole and movably arranged in the assembling box; the probe assembly is movably arranged in the metal sleeve and is used for detecting a circuit board; the clamping mechanism is connected with the limiting block and drives the limiting block to enter the limiting hole when the metal sleeve moves towards the inside of the assembling box; the elastic components are movably and symmetrically arranged in the assembly box and are connected with the clamping mechanism; and the driving mechanism is matched with the metal sleeve and is connected with the clamping mechanism.)

1. A probe structure for circuit board inspection, characterized in that, the probe structure for circuit board inspection includes:

the assembly box is characterized in that the bottom of the assembly box is provided with a hole (1) and a metal sleeve (2) which is matched with the hole formed in the assembly box (1) and is movably arranged on the assembly box (1), the metal sleeve (2) is also provided with a limiting hole (6), and through holes are also formed in two sides of the assembly box (1);

the limiting block (21), the limiting block (21) is matched with the limiting hole (6) and is movably arranged in the assembling box (1);

the probe assembly is movably arranged in the metal sleeve (2) and is used for detecting a circuit board;

the clamping mechanism is connected with the limiting block (21), drives the limiting block (21) to enter the limiting hole (6) when the metal sleeve (2) moves towards the inside of the assembly box (1), and fixes the metal sleeve (2) in the assembly box (1), wherein the clamping mechanism is movably and symmetrically arranged in the assembly box (1);

the elastic components are movably and symmetrically arranged in the assembly box (1) and are connected with the clamping mechanism, and the elastic components enter through holes formed in the assembly box (1) when the clamping mechanism drives the limiting blocks (21) to enter the limiting holes (6) so as to fix the clamping mechanism;

the driving mechanism is matched with the metal sleeve (2) and connected with the clamping mechanism, the driving mechanism moves when the metal sleeve (2) enters the assembly box (1), and the limiting block (21) is driven by the clamping mechanism to enter the limiting hole (6).

2. The probe structure for detecting the circuit board according to claim 1, wherein the probe assembly comprises a push rod (4) movably mounted in the metal sleeve (2), a needle (3) fixedly mounted on the push rod (4) and penetrating through the metal sleeve (2), and a first spring (5) disposed in the metal sleeve (2) and connected with the push rod (4).

3. The probe structure for detecting the circuit board according to claim 1, wherein the engaging mechanism comprises a pair of limiting grooves (22) symmetrically arranged in the assembly box (1), a sliding block (20) fixedly mounted with the limiting block (21) and slidably mounted in the limiting groove (22), and a driven component, one end of which is connected with the sliding block (20) and the other end of which is connected with the driving mechanism, and the driven component is connected with the elastic component.

4. The probe structure for detecting the circuit board according to claim 3, wherein the driven component comprises a second sleeve (15) fixedly installed in the assembly box (1) and provided with a groove, a second movable rod (13) movably installed on the second sleeve (15) and connected with the elastic component, and connecting rods (19) with one ends hinged to the second movable rod (13) and the other ends hinged to the sliding block (20) and symmetrically arranged, the second movable rod (13) is further provided with a meshing component connected with the driving mechanism, and the second sleeve (15) is symmetrically arranged in the assembly box (1).

5. The probe structure for detecting the circuit board according to claim 4, wherein the meshing component comprises a gear (12) rotatably installed in the assembly box (1) and connected with the driving mechanism and a second rack plate (14) fixedly installed on the second movable rod (13) and meshed with the gear (12), and the gear (12) is symmetrically arranged in the assembly box (1).

6. The probe structure for detecting the circuit board according to claim 4, wherein the elastic component comprises a telescopic rod (16) fixedly installed on the second sleeve (13) and adapted to a through hole formed in the assembly box (1), a limit ring (18) fixedly installed at a telescopic end of the telescopic rod (16), and a third spring (17) sleeved on the telescopic rod (16) and having one end fixed on the second sleeve (13) and the other end connected with the limit ring (18).

7. The probe structure for detecting the circuit board according to claim 5, wherein the driving mechanism comprises a first sleeve (9) fixedly installed in the assembly box (1), grooves (10) formed in two sides of the first sleeve (9), and a sliding assembly movably arranged in the first sleeve (9) and matched with the grooves (10), and the sliding assembly is connected with the gear (12).

8. The probe structure for detecting the circuit board according to claim 7, wherein the sliding assembly comprises a first movable rod (7) movably installed in the first sleeve (9) and matched with the metal sleeve (2), a first rack plate (8) fixedly installed on two sides of the first movable rod (7) and meshed with the gear (12), and a first spring (5) arranged in the first sleeve (9) and connected with the first movable rod (7).

Technical Field

The invention relates to the field of detection, in particular to a probe structure for detecting a circuit board.

Background

The circuit board has the name: the circuit board is miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout, and can be called a printed circuit board or a printed circuit board, wherein the circuit board is made of polyimide or polyester film as a base material, and has the characteristics of high reliability and excellent flexibility, has the characteristics of high wiring density, light weight, thin thickness and good bending property, and can be used for promoting the birth and development of a rigid-flexible combined board and a PCB, and a new product of the rigid-flexible combined board is generated, after the circuit board is produced, the circuit board needs to be detected by a probe, and the traditional probe cannot be quickly replaced when in use, the probe structure is suitable for different circuit boards, and therefore the probe structure for detecting the circuit boards is provided.

Disclosure of Invention

The present invention is directed to a probe structure for circuit board inspection, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a probe structure for detecting a circuit board, the probe structure comprising:

the bottom of the assembly box is provided with a hole, and a metal sleeve which is matched with the hole formed in the assembly box and is movably arranged on the assembly box is also provided with a limiting hole, and both sides of the assembly box are also provided with through holes;

the limiting block is matched with the limiting hole and movably arranged in the assembling box;

the probe assembly is movably arranged in the metal sleeve and is used for detecting a circuit board;

the clamping mechanism is connected with the limiting block, drives the limiting block to enter the limiting hole when the metal sleeve moves towards the inside of the assembly box, and fixes the metal sleeve in the assembly box, wherein the clamping mechanism is movably and symmetrically arranged in the assembly box;

the elastic components are movably and symmetrically arranged in the assembly box and connected with the clamping mechanism, and when the clamping mechanism drives the limiting block to enter the limiting hole, the elastic components enter a through hole formed in the assembly box so as to fix the clamping mechanism;

the driving mechanism is matched with the metal sleeve and connected with the clamping mechanism, the driving mechanism moves when the metal sleeve enters the assembly box, and the limiting block is driven to enter the limiting hole through the clamping mechanism.

As a further scheme of the invention: the probe assembly comprises a push rod movably arranged in the metal sleeve, a needle head fixedly arranged on the push rod and penetrating through the metal sleeve, and a first spring arranged in the metal sleeve and connected with the push rod.

As a still further scheme of the invention: the block mechanism is including seting up spacing groove and fixed mounting that just is the symmetry and sets up in the assembly box stopper and slidable mounting are in sliding block and one end on the spacing groove with the sliding block is connected the other end and is connected driven assembly on the actuating mechanism, driven assembly with elastic component connects.

As a still further scheme of the invention: driven subassembly includes fixed mounting and is in the assembly box and set up slotted No. two sleeves and movable mounting No. two sleeves on and with No. two movable rods and one end that elastic component connects articulate the other end articulates on No. two movable rods just be the connecting rod that the symmetry set up on the sliding block, still install on No. two movable rods with the meshing subassembly that actuating mechanism connects, No. two sleeve symmetries set up in the assembly box.

As a still further scheme of the invention: the meshing component is installed including rotating in the assembly box and with gear and fixed mounting that actuating mechanism connects on No. two movable rods and with No. two rack plates of gear engagement, the gear symmetry sets up in the assembly box.

As a still further scheme of the invention: the elastic assembly comprises a telescopic rod fixedly installed on the second sleeve and matched with the through hole formed in the assembling box, a limiting ring fixedly installed at the telescopic end of the telescopic rod, and a third spring sleeved on the telescopic rod, wherein one end of the third spring is fixed on the second sleeve, and the other end of the third spring is connected with the limiting ring.

As a still further scheme of the invention: the driving mechanism comprises a sleeve fixedly installed in the assembly box, grooves formed in two sides of the sleeve and a sliding assembly movably arranged in the sleeve and matched with the grooves, and the sliding assembly is connected with the gear.

As a still further scheme of the invention: the sliding assembly comprises a movable mounting part, a movable rod and a fixed mounting part, wherein the movable rod is movably mounted in the sleeve, the movable rod is matched with the metal sleeve, the two sides of the movable rod are respectively provided with a rack plate meshed with the gear, the rack plate is arranged in the sleeve, and the spring is connected with the movable rod.

Compared with the prior art, the invention has the beneficial effects that: when using, when needs assembly probe, manpower drive metal sleeve gets into the hole that the assembly bottom of the case portion was seted up this moment, and move towards the assembly incasement, make probe subassembly move towards the assembly incasement, thereby drive the actuating mechanism motion, under actuating mechanism's effect, drive the motion of block mechanism, thereby drive the hole position motion that the stopper was seted up towards the assembly bottom of the case portion, block mechanism still can drive the elastic component motion, when spacing hole motion to with the stopper coplanar, the stopper just gets into in the spacing hole, elastic component just moves to the hole of seting up in assembly case both sides this moment, thereby restrict the motion of block mechanism, and fix the stopper in the probe subassembly.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of a probe structure for circuit board inspection.

FIG. 2 is a schematic diagram of the connection relationship between the assembly box, the metal sleeve and the probe head in one embodiment of the probe structure for detecting the circuit board.

Fig. 3 is a schematic structural diagram of a driving mechanism, a gear and a limiting groove in an embodiment of a probe structure for detecting a circuit board.

FIG. 4 is a schematic diagram illustrating a connection relationship between a portion of the engaging mechanism, the elastic component and the limiting block in an embodiment of the probe structure for detecting a circuit board.

Fig. 5 is a schematic structural view of a probe assembly, a metal sleeve and a limiting hole in an embodiment of a probe structure for circuit board inspection.

In the figure: 1-assembly box, 2-metal sleeve, 3-needle, 4-push rod, 5-first spring, 6-limit hole, 7-first movable rod, 8-first rack plate, 9-first sleeve, 10-groove, 11-second spring, 12-gear, 13-second movable rod, 14-second rack plate, 15-second sleeve, 16-telescopic rod, 17-third spring, 18-limit ring, 19-connecting rod, 20-sliding block, 21-limit block and 22-limit groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1 to 5, in an embodiment of the present invention, a probe structure for circuit board inspection includes:

the assembly box comprises an assembly box 1 with a hole in the bottom and a metal sleeve 2 which is matched with the hole formed in the assembly box 1 and is movably arranged on the assembly box 1, wherein a limiting hole 6 is formed in the metal sleeve 2, and through holes are formed in two sides of the assembly box 1;

the limiting block 21 is matched with the limiting hole 6, and the limiting block 21 is movably arranged in the assembling box 1;

the probe assembly is movably arranged in the metal sleeve 2 and is used for detecting a circuit board;

the clamping mechanism is connected with the limiting block 21, drives the limiting block 21 to enter the limiting hole 6 when the metal sleeve 2 moves towards the inside of the assembly box 1, and fixes the metal sleeve 2 in the assembly box 1, wherein the clamping mechanism is movably and symmetrically arranged in the assembly box 1;

the elastic components are movably and symmetrically arranged in the assembly box 1 and are connected with the clamping mechanism, and when the clamping mechanism drives the limiting block 21 to enter the limiting hole 6, the elastic components enter a through hole formed in the assembly box 1 so as to fix the clamping mechanism;

the driving mechanism is matched with the metal sleeve 2 and connected with the clamping mechanism, the driving mechanism moves when the metal sleeve 2 enters the assembly box 1, and the limiting block 21 is driven by the clamping mechanism to enter the limiting hole 6.

In the embodiment of the invention, when a probe needs to be assembled in use, the metal sleeve 2 is driven by manpower to enter the hole formed in the bottom of the assembly box 1 and move towards the inside of the assembly box 1, so that the probe assembly moves towards the inside of the assembly box 1 to drive the driving mechanism to move, the clamping mechanism is driven to move under the action of the driving mechanism, so that the limiting block 21 is driven to move towards the hole formed in the bottom of the assembly box, the clamping mechanism can also drive the elastic assembly to move, when the limiting hole 6 moves to the same horizontal plane as the limiting block 21, the limiting block 21 just enters the limiting hole 6, at the moment, the elastic assembly just moves into the holes formed in the two sides of the assembly box 1, so that the movement of the clamping mechanism is limited, and the limiting block 21 is fixed in the probe assembly.

It should be noted that, when the probe needs to be replaced, the manual drive elastic assembly breaks away from the holes formed in the two sides of the assembly box 1, the drive clamping mechanism moves under the action of the drive mechanism, and the limit block 21 is driven to break away from the limit hole 6, so that the metal sleeve 2 and the probe assembly break away from the assembly box 1.

As an embodiment of the invention, the probe assembly comprises a push rod 4 movably mounted in the metal sleeve 2, a needle 3 fixedly mounted on the push rod 4 and penetrating through the metal sleeve 2, and a first spring 5 arranged in the metal sleeve 2 and connected with the push rod 4.

In the embodiment of the invention, when the needle 3 detects a circuit board, the needle 3 is contacted with the circuit board, so that the push rod 4 moves towards the inside of the metal sleeve 2 and compresses the spring 5, thereby preventing the needle 3 from being broken due to too much force when the needle 3 is detected.

It should be noted that the aperture of the limiting hole 6 is larger than the diameter of the limiting block 21, so that the limiting block 21 can enter the limiting hole 6.

As an embodiment of the present invention, the engaging mechanism includes a limiting groove 22 symmetrically disposed in the assembly box 1, a sliding block 20 fixedly mounted with the limiting block 21 and slidably mounted on the limiting groove 22, and a driven component having one end connected to the sliding block 20 and the other end connected to the driving mechanism, and the driven component is connected to the elastic component.

In the embodiment of the present invention, when the metal sleeve 2 moves towards the inside of the assembly box 1 in use, the driven component moves, the driving sliding block 20 moves in the limiting groove 22, and the limiting block 21 is driven to move.

As an embodiment of the present invention, the driven component includes a second sleeve 15 fixedly installed in the assembly box 1 and provided with a groove, a second movable rod 13 movably installed on the second sleeve 15 and connected to the elastic component, and connecting rods 19 having one end hinged to the second movable rod 13 and the other end hinged to the sliding block 20 and symmetrically disposed, the second movable rod 13 is further installed with a meshing component connected to the driving mechanism, and the second sleeve 15 is symmetrically disposed in the assembly box 1.

In the embodiment of the invention, when the driving mechanism works, the meshing component is driven to move, so that the second movable rod 13 is driven to move in the direction away from the second sleeve 15, the connecting rod 19 is driven to move, the sliding block 20 is driven to move, the second sleeve 15 can also drive the elastic component to move, and when the limiting block 21 moves to the position of the limiting hole 6, the elastic component just moves into the holes formed in the two sides of the assembly box 1.

As an embodiment of the present invention, the meshing assembly includes a gear 12 rotatably installed in the assembly box 1 and connected to the driving mechanism, and a second rack plate 14 fixedly installed on the second movable rod 13 and engaged with the gear 12, and the gear 12 is symmetrically disposed in the assembly box 1.

In the embodiment of the present invention, when the driving mechanism is operated, the gear 12 is driven to rotate, so as to drive the second rack plate 14 to move, and drive the second movable rod 13 to move in a direction away from the second sleeve 15.

As an embodiment of the present invention, the elastic component includes a telescopic rod 16 fixedly installed on the second sleeve 13 and adapted to a through hole formed in the assembly box 1, a limit ring 18 fixedly installed at a telescopic end of the telescopic rod 16, and a third spring 17 sleeved on the telescopic rod 16, having one end fixed on the second sleeve 13 and the other end connected to the limit ring 18.

In the embodiment of the invention, when the assembling box is used, the third spring 17 is in a compressed state in an initial state, when the second movable rod 13 moves, the telescopic rod 16 is driven to move, when the limiting block 21 moves to a position matched with the limiting hole 6, the telescopic rod 16 just moves to the hole positions formed on the two sides of the assembling box 1, the third spring 17 is elastically released, and the telescopic rod 16 with the limiting ring 18 is driven to enter the holes formed on the two sides of the assembling box 1, so that the second movable rod 13 is fixed.

As an embodiment of the present invention, the driving mechanism includes a first sleeve 9 fixedly installed in the assembly box 1, a groove 10 formed on both sides of the first sleeve 9, and a sliding assembly movably disposed in the first sleeve 9 and adapted to the groove 10, and the sliding assembly is connected to the gear 12.

In the embodiment of the invention, when the metal sleeve 2 moves towards the inside of the assembling box 1 in use, the driving sliding assembly moves towards the inside of the first sleeve 9, so that the driving gear 12 rotates.

As an embodiment of the present invention, the sliding assembly includes a first movable rod 7 movably installed in the first sleeve 9 and adapted to the metal sleeve 2, a first rack plate 8 fixedly installed at both sides of the first movable rod 7 and engaged with the gear 12, and a first spring 5 disposed in the first sleeve 9 and connected to the first movable rod 7.

In the embodiment of the invention, when the metal sleeve 2 moves, the first movable rod 7 is driven to move towards the inside of the first sleeve 9 and the gear 12 is driven to rotate through the first rack plate 8, meanwhile, the first movable rod 7 can compress the first spring 5, and when the limiting block 21 is matched with the limiting hole 6, the metal sleeve 2 is fixed on the assembly box 1.

It should be noted that, when the metal sleeve 2 needs to be taken out, at this time, the manually driven telescopic rod 16 is separated from the holes formed in the two sides of the assembly box 1, the first spring 5 is elastically released, and drives the first movable rod 7 to move towards the direction away from the first sleeve 5, so that the first rack plate 8 drives the gear 12 to rotate and drives the second movable rod 13 with the second rack plate 14 to move, so that the connecting rod 19 drives the sliding block 20 to move, and the limiting block 21 is driven to be separated from the limiting hole 6, so that the metal sleeve 2 can be separated from the assembly box 1.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.