CN218727535U

CN218727535U - Large-current test probe

Info

Publication number: CN218727535U
Application number: CN202222965887.0U
Authority: CN
Inventors: 唐桥方; 王军芳
Original assignee: Wuhan Haoyide Mould Products Co ltd
Current assignee: Wuhan Haoyide Mould Products Co ltd
Priority date: 2022-11-07
Filing date: 2022-11-07
Publication date: 2023-03-24
Anticipated expiration: 2032-11-07

Abstract

The utility model discloses a heavy current test probe, including the insulating tube, wear to locate the inboard needle bar in insulating tube middle part, be fixed in the fixed joint piece on insulating tube top, fixed joint piece is connected with the needle bar electricity, still includes: the insulating conical sleeve is connected to the inner wall of one end, far away from the fixed connecting block, of the inner side of the insulating pipe in a sliding mode, and the needle rod is fixed to the inner side of the insulating conical sleeve; the elastic column is fixed at the center of the top surface of the insulating conical sleeve, and the other end of the elastic column is fixedly connected to the middle part of the inner wall of the insulating pipe; the other end of the guide rod penetrates through two sides in the insulating tube and is electrically connected with the fixed connecting block; the utility model discloses make equipment can directly transmit the electric current to fixed joint block through the guide arm, reduced the multimedium transmission to improve current transmission's stability, increased the practicality of this device.

Description

Large-current test probe

Technical Field

The utility model relates to a probe technical field especially relates to a heavy current test probe.

Background

The test probe is a tool which is arranged in the electronic equipment for testing and is used for detecting the current of the circuit board or circuits of various electronic elements, and can accurately guide the current of the inner side of the circuit board, so that the detection equipment can test each circuit of the inner side of the circuit board, and the circuit board can be safely used after production is completed.

At present, the test probe for detecting use is connected with the circuit board through the tip of probe, is guided the electric current to the probe inboard by the tip of probe, and the guide arm that the electric current can survey in the probe at last communicates to check out test set, but this kind of probe when using great current, because survey in the probe has the spring, can lead to the electric current unstable, causes the damage of probe.

Therefore, a high current test probe is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a heavy current test probe can solve the probe and examine time measuring to the heavy current, can't directly carry out the technical problem of conduction to the electric current.

In order to solve the technical problem, the utility model provides a following technical scheme: a high-current test probe is provided,

including the insulating tube, wear to locate the inboard needle bar in insulating tube middle part, be fixed in the fixed joint piece on insulating tube top, fixed joint piece is connected with the needle bar electricity, still includes:

the insulating conical sleeve is connected to the inner wall of one end, far away from the fixed connecting block, of the inner side of the insulating pipe in a sliding mode, and the needle rod is fixed to the inner side of the insulating conical sleeve;

the elastic column is fixed at the center of the top surface of the insulating conical sleeve, and the other end of the elastic column is fixedly connected to the middle part of the inner wall of the insulating pipe;

and one end of the needle rod, which is electrically connected with the fixed connecting block, is fixedly connected with symmetrical guide rods, and the other end of each guide rod penetrates through two sides inside the insulating tube and is electrically connected with the fixed connecting block.

As a preferred technical scheme of the utility model, the rigidity that insulating pipe inner wall and elasticity post are connected has the support frame, the fixed butt of one end of insulating pipe inner wall is connected to the elasticity post in the support frame outer wall.

As a preferred technical scheme of the utility model, the one end that fixed joint piece connects the insulating tube is fixed with the receiving ring, it is inboard in the insulating tube to receive the ring gomphosis, the one end sliding connection of fixed joint piece in receiving ring is inboard is connected to the guide arm.

As an optimized technical scheme of the utility model, the guide pin bushing of symmetry is fixed with to receiving ring inside both sides, the position slip laminating of receiving ring is connected to the guide arm in the guide pin bushing inner wall.

As a preferred technical scheme of the utility model, the elasticity post includes the telescopic link and accomodates the cover, the spacing sliding connection of telescopic link one end is inboard in accomodating the cover, telescopic link other end fixed connection is in the support frame outer wall, accomodate the cover other end and connect in insulating taper sleeve top surface center department.

As a preferred technical scheme of the utility model, it is fixed with reset spring to accomodate the cover inboard, reset spring one end butt in the telescopic link outer wall.

As a preferred technical scheme of the utility model, the fixed slot has been seted up to the position that insulating toper cover connected the needle bar, the needle bar is fixed in the fixed slot inboard.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the utility model adds the insulating conical sleeve on the inner side of the probe, and the elastic column is fixed on the top of the insulating conical sleeve and is fixedly connected with the inner wall of the insulating pipe, so that the device can directly transmit the current to the fixed connecting block through the guide rod, thereby reducing the multi-medium transmission, improving the stability of the current transmission and increasing the practicability of the device;

2. the utility model discloses the one end of connecting the insulating tube at fixed splice is fixed with the receiving ring for more convenient when the insulating tube is connected with fixed splice has guaranteed being connected between guide arm and the fixed splice simultaneously, and the guide pin bushing of receiving the inboard setting of ring, then has improved the stability of being connected between guide arm and the receiving ring, has guaranteed the stability of guide arm when the activity.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the middle structure of the present invention;

fig. 3 is a schematic exploded view of the position structure of the receiving ring of the present invention;

FIG. 4 is a schematic view showing a position structure of the elastic column according to the present invention;

wherein: 1. an insulating tube; 2. a needle bar; 3. fixing the connecting block; 4. an insulating tapered sleeve; 5. an elastic column; 6. a support frame; 7. a guide bar; 8. a receiving ring; 9. a guide sleeve; 10. a telescopic rod; 11. a storage sleeve; 12. a return spring; 13. and (7) fixing the grooves.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example 1

Referring to fig. 1-4, the utility model provides a large current test probe, including insulating tube 1, wear to locate insulating tube 1 middle part inboard needle bar 2, be fixed in the fixed joint piece 3 on insulating tube 1 top, fixed joint piece 3 is connected with needle bar 2 electricity, still includes:

the insulating conical sleeve 4 is connected to the inner wall of one end, far away from the fixed connecting block 3, of the inner side of the insulating tube 1 in a sliding mode, and the needle rod 2 is fixed to the inner side of the insulating conical sleeve 4;

the elastic column 5 is fixed at the center of the top surface of the insulating conical sleeve 4, and the other end of the elastic column 5 is fixedly connected to the middle part of the inner wall of the insulating tube 1;

one end of the needle rod 2 electrically connected with the fixed connecting block 3 is fixedly connected with symmetrical guide rods 7, and the other end of each guide rod 7 penetrates through two sides inside the insulating tube 1 and is electrically connected with the fixed connecting block 3;

a support frame 6 is fixed at the position where the inner wall of the insulating tube 1 is connected with the elastic column 5, and one end of the elastic column 5, which is connected with the inner wall of the insulating tube 1, is fixedly abutted against the outer wall of the support frame 6;

the elastic column 5 comprises an expansion link 10 and a storage sleeve 11, one end of the expansion link 10 is connected to the inner side of the storage sleeve 11 in a limiting and sliding manner, the other end of the expansion link 10 is fixedly connected to the outer wall of the support frame 6, and the other end of the storage sleeve 11 is connected to the center of the top surface of the insulating conical sleeve 4;

a return spring 12 is fixed on the inner side of the containing sleeve 11, and one end of the return spring 12 abuts against the outer wall of the telescopic rod 10;

a fixing groove 13 is formed in the position, connected with the needle rod 2, of the insulating conical sleeve 4, and the needle rod 2 is fixed to the inner side of the fixing groove 13;

during the use, check out test set can align needle bar 2 with the circuit board position that needs the detection, later check out test set can exert pressure to needle bar 2, make the top of needle bar 2 butt at the circuit board, later check out test set can continuously exert pressure, guarantee that needle bar 2 can stable laminating in the outside of circuit board, and after needle bar 2 butt to the circuit board outside, needle bar 2 can receive pressure to the inboard shrink of insulating tube 1, exert pressure to elastic column 5, make the inboard telescopic link 10 of elastic column 5 shrink, exert pressure to the reset spring 12 of accomodating the inside of cover 11, thereby make reset spring 12 provide thrust for needle bar 2, guarantee the connection stability of needle bar 2, after needle bar 2 and circuit board are connected, can starting device tests the circuit board, when the test, the electric current can be through needle bar 2 transmission to guide arm 7, last receiving ring 8 through guide arm 7 connection gets into fixed joint block 3 and carries to check out test set, thereby accomplish the detection, after the detection is accomplished, drive check out test set breaks away from needle bar 2 and circuit board can.

Example 2

Referring to fig. 1 to 4, the other parts of this embodiment 2 are the same as the embodiment of embodiment 1, and the different parts are that the present invention provides a high current test probe, wherein a receiving ring 8 is fixed at one end of the fixed connection block 3 connected to the insulating tube 1, the receiving ring 8 is embedded inside the insulating tube 1, and one end of the guide rod 7 connected to the fixed connection block 3 is slidably connected inside the receiving ring 8;

symmetrical guide sleeves 9 are fixed on two sides inside the receiving ring 8, and the positions of the guide rods 7, which are connected with the receiving ring 8, are in sliding fit with the inner walls of the guide sleeves 9;

when the needle bar 2 is compressed to the inner side of the insulating sleeve, the connecting guide rod 7 at the top of the needle bar 2 slides on the inner side of the guide sleeve 9, and the connection between the guide rod 7 and the guide sleeve 9 is always kept, so that the needle bar 2 can be kept in a communicated state when in use;

the utility model discloses the one end of connecting insulating tube 1 at fixed splice 3 is fixed with receiving ring 8 for insulating tube 1 is more convenient when being connected with fixed splice 3, has guaranteed being connected between guide arm 7 and the fixed splice 3 simultaneously, and the guide pin bushing 9 of receiving the inboard setting of ring 8, then has improved the stability of being connected between guide arm 7 and the receiving ring 8, has guaranteed the stability of guide arm 7 when the activity.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a large current test probe, includes insulating tube (1), wears to locate insulating tube (1) middle part inboard needle bar (2), is fixed in fixed joint block (3) on insulating tube (1) top, fixed joint block (3) are connected with needle bar (2) electricity, and its characterized in that still includes:

the insulating conical sleeve (4), the insulating conical sleeve (4) is connected to the inner wall of one end, far away from the fixed connecting block (3), of the inner side of the insulating pipe (1) in a sliding mode, and the needle rod (2) is fixed to the inner side of the insulating conical sleeve (4);

the elastic column (5) is fixed at the center of the top surface of the insulating conical sleeve (4), and the other end of the elastic column (5) is fixedly connected to the middle part of the inner wall of the insulating pipe (1);

the needle bar (2) is electrically connected with the fixed connecting block (3), one end of the needle bar is fixedly connected with the symmetrical guide rods (7), and the other end of each guide rod (7) penetrates through two sides in the insulating tube (1) and is electrically connected with the fixed connecting block (3).

2. A high current test probe according to claim 1, wherein a support frame (6) is fixed at a position where the inner wall of the insulating tube (1) is connected with the elastic column (5), and one end of the elastic column (5) connected with the inner wall of the insulating tube (1) is fixedly abutted against the outer wall of the support frame (6).

3. A high current test probe according to claim 1, wherein a receiving ring (8) is fixed at one end of the fixing and connecting block (3) connected with the insulating tube (1), the receiving ring (8) is embedded inside the insulating tube (1), and one end of the guide rod (7) connected with the fixing and connecting block (3) is slidably connected inside the receiving ring (8).

4. A high current test probe according to claim 3, wherein symmetrical guide sleeves (9) are fixed at two sides inside the receiving ring (8), and the position where the guide rod (7) is connected with the receiving ring (8) is slidingly attached to the inner wall of the guide sleeves (9).

5. A high current test probe according to claim 1, wherein the elastic column (5) comprises a telescopic rod (10) and a storage sleeve (11), one end of the telescopic rod (10) is connected to the inner side of the storage sleeve (11) in a limiting and sliding manner, the other end of the telescopic rod (10) is fixedly connected to the outer wall of the supporting frame (6), and the other end of the storage sleeve (11) is connected to the center of the top surface of the insulating tapered sleeve (4).

6. A high current test probe according to claim 5, wherein a return spring (12) is fixed inside the receiving sleeve (11), and one end of the return spring (12) abuts against the outer wall of the telescopic rod (10).

7. A high current test probe according to claim 1, wherein the position of the insulating conical sleeve (4) connected with the needle bar (2) is provided with a fixing groove (13), and the needle bar (2) is fixed inside the fixing groove (13).