Clamping piece type inductance test auxiliary jig

Abstract

The utility model discloses a clamping piece type inductance test auxiliary jig, which comprises a fixed seat, a fixed plate, a movable plate, a conductive clamping piece and a circuit board, the fixed plate is fixed on the fixed seat, the circuit board is fixed under the fixed seat, the fixed plate is movably connected with the movable plate, one side of the movable plate is provided with a push-pull rod, and the push-pull rod is connected with the circuit board. The push-pull rod drives the movable plate to do linear reciprocating motion on the fixed plate, the clamping pieces are distributed on the fixed plate in two rows at intervals, clamping holes are formed in the movable plate, conductive contact pieces I are arranged on the circuit board, test pins are arranged on the lower portion of the circuit board, the contact pieces I are communicated with the test pins, and the bottom ends of the clamping pieces make contact with the contact pieces I. The clamping piece is mainly composed of a blocking piece, an elastic piece and a contact piece II, the elastic piece is fixed to one side of the blocking piece and is parallel to the blocking piece, the contact piece II is fixed to the bottom of the blocking piece, and the blocking piece of the clamping piece and the upper section of the elastic piece are located in the clamping hole. Compared with the prior art, the inductor inductance testing device is easy to operate, good in adaptability and capable of effectively improving the inductor inductance testing efficiency.

Description

Technical Field

[0001] The utility model belongs to inductor inductance testing equipment, in particular to a clip-type fixture for assisting inductor inductance testing. Background Art

[0002] An inductor is a device specially designed to effectively utilize the phenomenon of electromagnetic induction. Its main characteristics are that it blocks alternating current and passes direct current. It is widely used in various electronic devices. For inductor manufacturers, the inductance parameters of the inductor need to be tested before the inductor leaves the factory to ensure the quality of the inductor. At present, during the inductance test of inductors, some types of inductors have two rows of pins at the bottom, each row has multiple pins, and the pin diameter is large. The existing test fixtures have poor compatibility with them. If traditional manual docking with the inductance tester is used, the operation is cumbersome and inefficient. Therefore, it is necessary to design an inductance test auxiliary fixture that can adapt to this type of inductor. Utility Model Content

[0003] The purpose of the utility model is to overcome the problems of connecting the inductance test pins of the existing inductor, and to provide a clip-type inductance test auxiliary fixture which is simple to operate, has good adaptability, and can effectively improve the inductance test efficiency of the inductor.

[0004] The utility model solves the technical problem by adopting a technical solution: a clip-type inductance test auxiliary fixture, comprising a fixed seat, a fixed plate, a movable plate, a conductive clip and a circuit board, the fixed plate is detachably fixed on the fixed seat, the circuit board is detachably fixed below the fixed seat, the movable plate is placed on the fixed plate, the fixed plate is movably connected with the movable plate, a push-pull rod is arranged on one side of the movable plate, the push-pull rod drives the movable plate to perform linear reciprocating motion on the fixed plate, a plurality of clips vertically penetrate the fixed plate and are fixedly connected with the fixed plate, the clips are distributed in two rows at intervals on the fixed plate, a clamping hole is arranged on the movable plate, the clamping hole and the clips are matched one by one, the axis of the push-pull rod is perpendicular to the clamping hole and the clip, a conductive contact piece I is arranged on the circuit board, a test pin is arranged below the circuit board, the contact piece I is connected with the test pin, the bottom end of the clip contacts with the contact piece I, the clip is mainly composed of a baffle, a spring and a contact piece II, the spring is fixed on one side of the baffle and is parallel to the baffle, the contact piece II is fixed at the bottom of the baffle, and the baffle and the upper section of the spring of the clip are located in the clamping hole.

[0005] Optionally, an upper limit plate is provided above the edge of the movable plate, and the upper limit plate is fixedly connected to the fixed plate.

[0006] Optionally, a side limit block is provided between the push-pull rod and the movable plate.

[0007] The use mode and principle of the utility model are as follows: when in use, two rows of pins at the bottom of the inductor are respectively inserted into two rows of clamping holes on the movable plate, the pins of the inductor are located between the baffles and the spring pieces in the clamping holes, and because the clamping holes are long strip holes, they can be compatible with inductors with different pin spacings, and the movable plate is pushed to move to one side by a push-pull rod, and the movable plate drives the spring pieces to approach the baffles, so that the baffles and the spring pieces clamp the pins, so that the pins of the inductor are connected with the test pins through the baffles, the contact pieces II and the contact pieces I, and the test pins are connected with the inductance tester, and the inductance of the inductor is tested by the inductance tester; after the inductance test of the inductor is completed, the movable plate is pulled to move to the other side by the push-pull rod, and the spring pieces return to their positions under the action of elastic force, so that the baffles and the spring pieces release the pins, so that the pins of the inductor are located between the baffles and the spring pieces, and the tested inductor is taken out to carry out the next inductor test.

[0008] Compared with the prior art, the utility model has the following beneficial effects: the utility model is simple to operate, has good adaptability, and can effectively improve the efficiency of inductor inductance testing. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 This is a front cross-sectional structural schematic diagram of the utility model;

[0010] Figure 2 This is a schematic diagram of the top view structure of the utility model;

[0011] The markings in the accompanying drawings are as follows: fixed seat 1, fixed plate 2, movable plate 3, clamping piece 4, circuit board 5, push-pull rod 6, clamping hole 7, contact piece I 8, test pin 9, baffle 10, spring 11, contact piece II 12, upper limit plate 13, side limit block 14. DETAILED DESCRIPTION

[0012] Embodiment 1, below combines Figure 1 and Figure 2The utility model is further described, the clip-type inductance test auxiliary fixture comprises a fixed seat 1, a fixed plate 2, a movable plate 3, a conductive clip 4 and a circuit board 5, the fixed seat is a rubber frame, the fixed plate is fixed on the seat by screws, the circuit board is fixed under the fixed seat by copper columns and positioning holes, the movable plate is placed on the fixed plate, a slider is provided under the movable plate, a slide rail is provided on the fixed plate, the fixed plate is slidably connected to the movable plate, a push-pull rod 6 is fixed on one side of the movable plate, the push-pull rod can be pushed and pulled by hand, and can also be connected to a pneumatic mechanism or an electric mechanism for push and pull, the push-pull rod drives the movable plate to make a linear reciprocating motion on the fixed plate, a plurality of clips vertically penetrate the fixed plate, the middle section of the clip is clamped on the fixed plate, and the clip is The fixed plate is arranged in two rows at intervals, the clips in a single row are parallel to each other, the clips between the two rows correspond one to one, a clamping hole 7 is provided on the movable plate, the clamping hole is long and strip-shaped, the clamping hole and the clips correspond one to one, the axis of the push-pull rod is perpendicular to the clamping hole and the clip, a conductive contact piece Ⅰ8 is inlaid on the circuit board, a test pin 9 is welded under the circuit board, the contact piece Ⅰ is connected with the test pin, the bottom end of the clip is welded to the contact piece Ⅰ, the clip is mainly composed of a baffle 10, a spring piece 11 and a contact piece Ⅱ 12, the cross section of the spring piece is "L"-shaped, the lower end of the spring piece is welded to one side of the baffle, the spring piece is parallel to the baffle, the contact piece Ⅱ is fixed to the bottom of the baffle, the contact piece Ⅱ and the baffle are integrally formed, and the baffle and the upper section of the spring piece of the clip are located in the clamping hole.

[0013] Optionally, an upper limit plate 13 is provided above the edge of the movable plate, the upper limit plate is fixedly connected to the fixed plate, and the upper limit plate limits the upward displacement of the movable plate to prevent the movable plate from moving when sliding.

[0014] Optionally, a side limit block 14 is provided between the push-pull rod and the movable plate, and the lower section of the side limit block is located at one side of the fixed plate to prevent the push-pull rod from applying unnecessary force to the movable plate.

[0015] The above is only a preferred specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be covered by the protection scope of the present invention.

Claims

1. A clip-type inductance test auxiliary fixture, comprising a fixing seat (1), a fixing plate (2), a movable plate (3), a conductive clip (4) and a circuit board (5), wherein the fixing plate is detachably fixed on the fixing seat, and the circuit board is detachably fixed on the bottom of the fixing seat, and the characteristics are: The movable plate is placed on the fixed plate, and the fixed plate is movably connected to the movable plate. A push-pull rod (6) is provided on one side of the movable plate, and the push-pull rod drives the movable plate to perform linear reciprocating motion on the fixed plate. A plurality of clips vertically penetrate the fixed plate and are fixedly connected to the fixed plate. The clips are spaced apart in two rows on the fixed plate. A clip hole (7) is provided on the movable plate, and the clip holes and the clips are matched one by one. The axis of the push-pull rod is perpendicular to the clip holes and the clips. A conductive contact piece I (8) is provided on the circuit board, and a test pin (9) is provided under the circuit board. The contact piece I is connected to the test pin, and the bottom end of the clip contacts the contact piece I. The clip mainly consists of a baffle (10), a spring piece (11) and a contact piece II (12). The spring piece is fixed on one side of the baffle and is parallel to the baffle. The contact piece II is fixed at the bottom of the baffle. The baffle and the upper section of the spring piece of the clip are located in the clamp hole.

2. The clip-type inductance test auxiliary fixture according to claim 1, characterized in that: An upper limit plate (13) is provided above the edge of the movable plate, and the upper limit plate is fixedly connected to the fixed plate.

3. The clip-type inductance test auxiliary fixture according to claim 1, characterized in that: A side limit block (14) is provided between the push-pull rod and the movable plate.

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