CN219302504U - Inductance coil test fixture - Google Patents

Abstract

The utility model discloses an inductance coil test fixture, which relates to the technical field of inductance coils and comprises a main body, wherein the inner side of the main body is penetrated and movably connected with a plurality of measuring scales distributed in a rectangular array, the bottom ends of the measuring scales are fixedly connected with a movable frame at the same time, the inside of the movable frame is provided with a threaded hole, one side of the movable frame is provided with a limit groove, the inside of the main body is fixedly connected with a limit column, the limit column is matched with the limit groove, the inside of the main body is movably connected with a screw rod, and the screw rod is matched with the threaded hole. The utility model can drive the screw rod to rotate through the motor, thereby being matched with the threaded hole on the inner side of the movable frame, further driving the measuring ruler to stretch and retract, enabling the movable frame to be more stable when moving through the matching of the limiting groove and the limiting column, and enabling the measuring ruler to measure the diameter of the coil through the stepped shape of the extending measuring ruler.

Description

Inductance coil test fixture

Technical Field

The utility model relates to the technical field of induction coils, in particular to an induction coil testing jig.

Background

In recent decades, the Printed Circuit Board (PCB) manufacturing industry in China has developed rapidly, and the total yield value and the total yield are the first in the world. Because of the daily and monthly variation of electronic products, china has industrial distribution, cost and market advantages, and has become the most important production base of printed circuit boards worldwide. The printed circuit board is developed from a single layer to a double-panel, a multi-layer board and a flexible board, and is continuously developed towards high precision, high density and high reliability, and the size is continuously reduced, the cost is reduced, and the performance is improved, so that the printed circuit board still keeps strong vitality in the development process of future electronic products. With the rapid development of semiconductor manufacturing technology, the integration level of IC devices has been rapidly increased, and mounting technology has been transited from the interposer technology to the surface mounting technology, and has been moved toward the chip scale packaging technology. The difficulty of electrical performance testing increases, so new testing techniques are needed to cope with the development of the PCB industry. With the increase of the density of the PCB, the ratio of open-circuit and short-circuit faults is also greatly increased, so that the test of partial PCB is not provided with a perfect evaluation means, and the blind spot in the PCB test is solved, thus becoming a technical problem to be solved by test experts. For the detection of a thick copper coil plate, the on-off of the coil plate is judged by adopting the measurement of a universal meter, the speed and the efficiency are very low, and no better solution exists at present.

In China, patent application number: the utility model discloses an inductance coil test fixture in CN202120166602.X, including loading device, elevating gear, fixing device, detection device and heat abstractor, loading device includes bottom plate, detection frame and cooling cylinder, and the bottom plate is "cross" platy structure, and elevating gear includes lift jar and installation head, and lift jar lower surface is connected with the bottom plate upper surface, and fixing device includes fixed jar, dead lever and fixed plate, and a plurality of fixed jars are installed respectively in installation head side surface. The inductance coil test fixture has the defects of single detection mode and poor detection effect in the use process, and is inconvenient to take down the detected coil.

Therefore, it is necessary to provide an inductance coil testing fixture to solve the above-mentioned problems.

Disclosure of Invention

(one) solving the technical problems

The utility model aims at: in order to solve the problems that an inductance coil test fixture is single in detection mode and poor in detection effect in the use process and the detected coil is inconvenient to take down, the utility model provides the inductance coil test fixture.

(II) technical scheme

The utility model adopts the following technical scheme for realizing the purposes:

the utility model provides an inductance coil test fixture, includes the main part, the inboard of main part runs through and swing joint has a plurality of dipperstick that are rectangular array and distribute, a plurality of the bottom of dipperstick is fixedly connected with adjustable shelf simultaneously, threaded hole is seted up to the inside of adjustable shelf, the spacing groove has been seted up to one side of adjustable shelf, the inside fixedly connected with spacing post of main part, spacing post and spacing groove looks adaptation, the inside swing joint of main part has the screw rod, screw rod and threaded hole looks adaptation, the inside bottom fixed mounting of main part has the motor, the output shaft one end and the bottom fixed connection of screw rod of motor, one side swing joint of dipperstick has the coil.

Further, a support arm is fixedly connected to one side of the upper surface of the main body, and a sliding cavity is formed in the inner side of the support arm.

Further, the inside bottom fixed mounting of sliding chamber has flexible post, the top fixedly connected with movable block of flexible post, one side fixedly connected with of movable block detects the ring.

Further, two rotating rollers are movably mounted at the top end of the inner portion of the main body, and a driving belt is movably connected between the two rotating rollers.

Further, the upper surface fixedly connected with ejector pad of drive belt, one side fixedly connected with tray of main part.

Further, the upper surface of the main body is fixedly connected with a guardrail.

(III) beneficial effects

The beneficial effects of the utility model are as follows:

1. according to the utility model, the motor can drive the screw rod to rotate, so that the screw rod is matched with the threaded hole on the inner side of the movable frame, the measuring ruler can be driven to stretch and retract, the movable frame can be more stable when moving through the matching of the limiting groove and the limiting column, and the diameter of the coil can be measured through the stepped shape of the measuring ruler after extending.

2. According to the utility model, the movable block can be driven to lift through the telescopic column in the sliding cavity, so that the detection ring can be driven to move downwards, the coil can be detected, whether the coil is broken or not can be detected, further the coil can be subjected to deep test, and no problem can occur in use.

3. According to the utility model, the driving belt can be driven to rotate together through the rotation of the rotating roller, so that the pushing block can be driven to move, the detected coil can be pushed to the tray through the pushing block, the detected coil can be conveniently taken down, the coil can be prevented from shifting in position during moving through the guard rail, and the using effect is better.

Drawings

FIG. 1 is a schematic perspective view of the structure of the present utility model;

FIG. 2 is a first cross-sectional schematic view of the structure of the present utility model;

FIG. 3 is a second cross-sectional schematic view of the structure of the present utility model;

FIG. 4 is a third cross-sectional schematic view of the structure of the present utility model;

fig. 5 is an enlarged schematic view of the structure of the area a in fig. 2 according to the present utility model.

Reference numerals: 1. a main body; 2. a measuring ruler; 3. a movable frame; 4. a limit groove; 5. a limit column; 6. a screw; 7. a motor; 8. a coil; 9. a support arm; 10. a sliding chamber; 11. a telescopic column; 12. a movable block; 13. a detection ring; 14. a rotating roller; 15. a transmission belt; 16. a pushing block; 17. a tray; 18. a guardrail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 2 and 3, an inductance coil testing fixture comprises a main body 1, wherein the inner side of the main body 1 is penetrated and movably connected with a plurality of measuring scales 2 distributed in a rectangular array, the bottom ends of the measuring scales 2 are fixedly connected with a movable frame 3 at the same time, a threaded hole is formed in the movable frame 3, a limit groove 4 is formed in one side of the movable frame 3, a limit column 5 is fixedly connected with the inner side of the main body 1, the limit column 5 is matched with the limit groove 4, a screw rod 6 is movably connected with the inner side of the main body 1, the screw rod 6 is matched with the threaded hole, a motor 7 is fixedly arranged at the inner bottom end of the main body 1, one end of an output shaft of the motor 7 is fixedly connected with the bottom end of the screw rod 6, and a coil 8 is movably connected with one side of the measuring scales 2.

In this embodiment, the motor 7 can drive the screw rod 6 to rotate, so that the screw rod is matched with the threaded hole on the inner side of the movable frame 3, the measuring ruler 2 can be driven to stretch out and draw back, the movable frame 3 can be more stable when moving through the matching of the limiting groove 4 and the limiting column 5, and the diameter of the coil 8 can be measured through the stepped shape of the extending measuring ruler 2.

Example 2

Referring to fig. 4, this embodiment is further optimized based on embodiment 1, specifically, a support arm 9 is fixedly connected to one side of the upper surface of the main body 1, and a sliding cavity 10 is formed inside the support arm 9.

Specifically, the inside bottom fixed mounting of sliding chamber 10 has flexible post 11, and the top fixedly connected with movable block 12 of flexible post 11, one side fixedly connected with of movable block 12 detects ring 13.

In this embodiment, the movable block 12 can be driven to lift by the telescopic column 11 inside the sliding cavity 10, so that the detection ring 13 can be driven to move down, and the coil 8 can be detected, so that whether the coil 8 is broken or not can be detected, and further the coil 8 can be subjected to deep test, so that no problem can occur during use.

Example 3

Referring to fig. 1 and 5, the following optimization is performed on the basis of example 1 or example 2, specifically, two rotating rollers 14 are movably mounted at the inner top end of the main body 1, and a driving belt 15 is movably connected between the two rotating rollers 14.

Specifically, the upper surface of the driving belt 15 is fixedly connected with a pushing block 16, and one side of the main body 1 is fixedly connected with a tray 17.

Specifically, the upper surface of the main body 1 is fixedly connected with a guardrail 18.

In this embodiment, the rotation of the rotating roller 14 can drive the driving belt 15 to rotate together, so as to drive the pushing block 16 to move, the detected coil 8 can be pushed to the tray 17 through the pushing block 16, so that the detected coil 8 can be taken down conveniently, and the coil 8 can be prevented from shifting in position during movement through the guard rail 18, so that the use effect is better.

To sum up: according to the utility model, the motor 7 can drive the screw rod 6 to rotate, so that the screw rod is matched with a threaded hole on the inner side of the movable frame 3, the measuring ruler 2 can be driven to stretch, the movable frame 3 can be more stable when moving through the matching of the limiting groove 4 and the limiting column 5, the diameter of the coil 8 can be measured through the stepped shape of the extending measuring ruler 2, the movable block 12 can be driven to lift through the telescopic column 11 in the sliding cavity 10, the detection ring 13 can be driven to move wholly downwards, the coil 8 can be detected, whether the coil 8 is broken or not can be detected, the coil 8 can be further subjected to deep test, no problem can be caused when the coil 8 is used, the driving belt 15 can be driven to rotate together through the rotation of the rotating roller 14, the pushing block 16 can be driven to move, the detected coil 8 can be pushed to the tray 17 through the pushing block 16, the detected coil 8 can be conveniently taken down, the detected coil 8 can be prevented from shifting when moving through the guardrail 18, and the coil 8 can be used better.

The present utility model is not limited to the preferred embodiments, but the patent protection scope of the utility model is defined by the claims, and all equivalent structural changes made by the specification and the drawings are included in the scope of the utility model.

Claims (6)

1. The utility model provides an inductance coil test fixture, includes main part (1), its characterized in that: the inside of main part (1) runs through and swing joint has a plurality of dipperstick (2) that are rectangular array and distribute, a plurality of the bottom simultaneous fixedly connected with adjustable shelf (3) of dipperstick (2), threaded hole has been seted up to the inside of adjustable shelf (3), spacing groove (4) have been seted up to one side of adjustable shelf (3), the inside fixedly connected with spacing post (5) of main part (1), spacing post (5) and spacing groove (4) looks adaptation, the inside swing joint of main part (1) has screw rod (6), screw rod (6) and threaded hole looks adaptation, the inside bottom fixed mounting of main part (1) has motor (7), the output shaft one end of motor (7) and the bottom fixed connection of screw rod (6), one side swing joint of dipperstick (2) has coil (8).

2. The induction coil testing jig according to claim 1, wherein: a support arm (9) is fixedly connected to one side of the upper surface of the main body (1), and a sliding cavity (10) is formed in the inner side of the support arm (9).

3. The induction coil testing jig according to claim 2, wherein: the sliding device is characterized in that a telescopic column (11) is fixedly arranged at the bottom end of the inside of the sliding cavity (10), a movable block (12) is fixedly connected to the top end of the telescopic column (11), and a detection ring (13) is fixedly connected to one side of the movable block (12).

4. The induction coil testing jig according to claim 1, wherein: two rotating rollers (14) are movably mounted at the top end of the inside of the main body (1), and a driving belt (15) is movably connected between the two rotating rollers (14).

5. The induction coil testing jig according to claim 4, wherein: the upper surface of the driving belt (15) is fixedly connected with a pushing block (16), and one side of the main body (1) is fixedly connected with a tray (17).

6. The induction coil testing jig according to claim 1, wherein: the upper surface of the main body (1) is fixedly connected with a guardrail (18).

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