Inductance testing mechanism

Abstract

The utility model discloses an inductance testing mechanism which comprises a first testing seat and a second testing seat which are oppositely arranged, telescopic grooves are formed in the left ends and the right ends of the interiors of the first testing seat and the second testing seat, the interiors of the multiple sets of telescopic grooves are connected with testing needles in a sliding mode, and first springs are arranged on the outer sides of the testing needles and located in the telescopic grooves in a sleeved mode. A to-be-tested product is arranged at the top of the testing needle, baffles are fixedly installed at the bottoms of the first testing seat and the second testing seat, snap springs are installed on the outer side of the bottom end of the testing needle and located at the bottoms of the baffles, and fixing sleeves are fixedly installed on the left side and the right side of the first testing seat. The beneficial effects of the utility model are that the integrated test pin can be directly contacted with a product to be tested, thereby reducing the contact resistance, improving the test precision, and improving the convenience of disassembly, assembly and maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to inductance test technical field, concretely relates to a kind of inductance test mechanism. BACKGROUND

[0002] In the field of electronic passive components, inductance, as one of passive components, its quality and stability directly affect the performance and reliability of electronic products, by testing fixture testing inductance of electronic passive components, it can ensure that it meets specification requirements, so as to ensure the normal operation and long-term stability of electronic products.

[0003] In the prior art, when testing inductance of electronic passive components, standard probe is inserted into probe sleeve, and test instrument wire is welded on probe sleeve, because there is gap between test probe and sleeve, contact resistance increases, which leads to inaccurate test value and affects test precision. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model designs an inductance test mechanism, which can solve the problem of inaccurate test value and affected test precision caused by the gap between test probe and sleeve when testing inductance of electronic passive components in the prior art.

[0005] The utility model provides the following technical scheme, an inductance test mechanism, comprising: oppositely arranged first test seat and second test seat, the left and right ends in the first test seat and the second test seat are all provided with telescopic slot, the inside of multiple telescopic slots is all connected with test needle in sliding mode, the outside of test needle and the inside of telescopic slot are equipped with first spring, the top of test needle is equipped with product to be measured, the bottom of first test seat and second test seat is all fixedly installed with baffle, the outside of test needle bottom and the bottom of baffle are installed with snap spring, the left and right sides of first test seat are all fixedly installed with fixed sleeve, the positions corresponding with fixed sleeve on the left and right sides of second test seat are all fixedly installed with locking cylinder.

[0006] As the preferred scheme of the utility model, the left and right ends of baffle are all provided with fixed hole, and the fixed hole is fixedly connected with first test seat and second test seat through assembly screw.

[0007] As the preferred scheme of the utility model, the position corresponding with snap spring on the outside of test needle is provided with clamping groove, and snap spring is clamped with test needle through clamping groove.

[0008] As the preferred scheme of the utility model, the upper and lower ends of fixed sleeve are all fixedly connected with first test seat through first mounting screw, the right side of second test seat and the bottom of fixed sleeve are fixedly installed with positioning block, and the rear end of positioning block is fixedly connected with second test seat through second mounting screw.

[0009] The rear end of the locking cylinder is fixedly connected with the second test seat through a third mounting screw.

[0010] As the preferred scheme of the utility model, the locking cylinder is internally slidably connected with a locking column, a second spring is sleeved outside the locking column and inside the locking cylinder, and a top ring is fixedly connected outside the locking column and at the bottom end of the second spring.

[0011] As the preferred scheme of the utility model, the top ring is fixedly connected with a clamping block, and the locking cylinder is provided with a movable slot outside which is adapted to the clamping block.

[0012] The utility model has the advantages of:

[0013] 1. In the utility model, the first test seat, the second test seat, the telescopic slot, the test needle, the first spring, the baffle and the clamping spring are cooperatively designed, the test needle is installed inside the first test seat and the second test seat, the bottom end of the test needle is limited by the clamping spring, the vertical lifting of the test needle is limited, when the inductance of the product to be tested is tested, a plurality of test needles are welded on the testing instrument and used, when the test needle contacts the product to be tested for inductance testing, the test needle can be retracted into the inside of the telescopic slot under the action of the first spring, thereby avoiding damage to the product to be tested caused by too large abutting force of the test needle, and the integrated test needle can directly contact the product to be tested, so that the contact resistance is reduced and the testing precision is improved.

[0014] 2. In the utility model, the fixed sleeve and the locking cylinder are cooperatively designed, when the inside of the first test seat and the second test seat needs to be disassembled and repaired, the locking cylinder and the fixed sleeve can quickly release the fixation between the first test seat and the second test seat, thereby improving the convenience of disassembly and repair. DRAWINGS

[0015] Fig. 1 It is a structural schematic view of the utility model;

[0016] Fig. 2 It is an internal structural schematic view of the utility model;

[0017] Fig. 3 It is a test needle structural schematic view of the utility model;

[0018] Fig. 4 It is a locking cylinder structural schematic view of the utility model;

[0019] In the diagram: 1. First test seat; 2. Second test seat; 3. Telescopic groove; 4. Test probe; 5. First spring; 6. Product under test; 7. Baffle; 701. Fixing hole; 702. Assembly screw; 8. Snap ring; 801. Snap groove; 9. Fixing sleeve; 901. First mounting screw; 902. Positioning block; 903. Second mounting screw; 10. Locking cylinder; 1001. Third mounting screw; 1002. Locking pin; 1003. Second spring; 1004. Top ring; 1005. Snap block; 1006. Movable groove. Detailed Implementation

[0020] To make the technical problems solved by this utility model, the technical solutions adopted, and the technical effects achieved clearer, the technical solutions of the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] Example:

[0022] like Figs. 1 to 4 As shown, an inductance testing mechanism includes: a first test base 1 and a second test base 2 arranged opposite to each other. Both the left and right ends of the first test base 1 and the second test base 2 are provided with telescopic grooves 3. Multiple sets of telescopic grooves 3 are slidably connected to the interior of each telescopic groove 3. A first spring 5 is sleeved on the outside of the test needle 4 and inside the telescopic groove 3. A product to be tested 6 is provided on the top of the test needle 4. A baffle 7 is fixedly installed at the bottom of both the first test base 1 and the second test base 2. A retaining spring 8 is installed on the outside of the bottom end of the test needle 4 and at the bottom of the baffle 7. Fixing sleeves 9 are fixedly installed on both the left and right sides of the first test base 1. Locking cylinders 10 are fixedly installed on both the left and right sides of the second test base 2 at positions corresponding to the fixing sleeves 9.

[0023] In this embodiment, fixing holes 701 are provided at both the left and right ends of the baffle 7. The fixing holes 701 are fixedly connected to the first test seat 1 and the second test seat 2 by mounting screws 702. The baffle 7 is installed and fixed at the bottom of the first test seat 1 and the second test seat 2 by mounting screws 702, so that the bottom end of the first spring 5 abuts against the baffle 7.

[0024] In the embodiment, the test needle 4 is provided with a clamping groove 801 at a position corresponding to the clamping spring 8, and the clamping spring 8 is clamped with the test needle 4 through the clamping groove 801. After the test needle 4 is installed in the first test seat 1 and the second test seat 2, the test needle 4 is slid downward to make the clamping groove 801 leak from the bottom of the baffle 7, and then the clamping spring 8 is clamped outside the clamping groove 801, so as to limit the bottom end of the test needle 4 by the clamping spring 8, avoid the test needle 4 from being fully stretched out of the first test seat 1 and the second test seat 2 under the action of the first spring 5, and limit the vertical lifting of the test needle 4. When the inductance of the product 6 to be tested is tested, a plurality of test needles 4 are welded on the test instrument for use. When the test needle 4 contacts the product 6 to be tested, the integrated test needle 4 can directly contact the product 6 to be tested, so as to reduce the contact resistance and improve the test precision. At the same time, the test needle 4 can be retracted into the inside of the telescopic groove 3 under the action of the first spring 5, so as to avoid that the test needle 4 abuts with too large force and damages the product 6 to be tested.

[0025] In the embodiment, the upper and lower ends of the fixing sleeve 9 are fixedly connected with the first test seat 1 through the first mounting screw 901, and the right side of the second test seat 2 and located at the bottom of the fixing sleeve 9 is fixedly installed with a positioning block 902. The rear end of the positioning block 902 is fixedly connected with the second test seat 2 through the second mounting screw 903. The fixing sleeve 9 is installed on the first test seat 1 through the first mounting screw 901, and the positioning block 902 is installed on the second test seat 2 through the second mounting screw 903. When the first test seat 1 and the second test seat 2 are installed and fixed, the fixing sleeve 9 is inserted between the locking barrel 10 and the positioning block 902 for convenient and rapid positioning.

[0026] In the embodiment, the rear end of the locking barrel 10 is fixedly connected with the second test seat 2 through the third mounting screw 1001, and the locking barrel 10 is installed on the second test seat 2 through the third mounting screw 1001.

[0027] In the embodiment, the locking barrel 10 is slidably connected with a locking plug 1002 inside, the second spring 1003 is sleeved outside the locking plug 1002 and located inside the locking barrel 10, and the top ring 1004 is fixedly connected outside the locking plug 1002 and located at the bottom end of the second spring 1003. Under the action of the second spring 1003, the top ring 1004 is abutted, so that the locking plug 1002 is inserted into the inside of the fixing sleeve 9 from the inside of the locking barrel 10, thereby installing and fixing the first test seat 1 and the second test seat 2.

[0028] In the embodiment, the outer side of the top ring 1004 is fixedly connected with a clamping block 1005, the outer side of the locking cylinder 10 is provided with a movable slot 1006 matched with the clamping block 1005, and when the interiors of the first test seat 1 and the second test seat 2 need to be disassembled and maintained, the locking plug post 1002 is pulled to the outer side of the locking cylinder 10 and then is rotated, so that the clamping block 1005 is clamped into the top end of the movable slot 1006, thereby fixing the locking plug post 1002, releasing the fixation of the fixed sleeve 9, quickly releasing the fixation between the first test seat 1 and the second test seat 2, and further improving the convenience of disassembly and maintenance.

[0029] In the embodiment, the baffle 7 is installed and fixed on the bottom of the first test seat 1 and the second test seat 2 through the assembling screw 702, the bottom end of the first spring 5 abuts against the baffle 7, after the test needle 4 is installed in the interiors of the first test seat 1 and the second test seat 2, the test needle 4 is slid downward to make the clamping groove 801 leak from the bottom of the baffle 7, and then the clamping spring 8 is clamped outside the clamping groove 801, the bottom end of the test needle 4 is limited by the clamping spring 8, the vertical lifting of the test needle 4 is limited, under the action of the first spring 5, the test needle 4 can be retracted into the interior of the telescopic slot 3, and thus the damage of the test product 6 caused by the excessive abutment force of the test needle 4 can be avoided, when the interiors of the first test seat 1 and the second test seat 2 need to be disassembled and maintained, the fixation between the first test seat 1 and the second test seat 2 can be quickly released through the locking cylinder 10 and the fixed sleeve 9, the test needle 4 is designed in an integrated mode and can directly contact the test product 6, thereby reducing the contact resistance and improving the test precision, and the convenience of disassembly and maintenance is improved.

[0030] Although the preferred embodiments of the present application have been described, those skilled in the art who have the basic inventive concept can make further changes and modifications to the embodiments. Therefore, the appended claims are intended to include the preferred embodiments and all changes and modifications falling within the scope of the present application.

[0031] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. An inductance testing mechanism, characterized in that, include: The first and second test seats are arranged opposite each other. Both the left and right ends of the first and second test seats are provided with telescopic grooves. Test needles are slidably connected inside the multiple sets of telescopic grooves. A first spring is sleeved on the outside of the test needle and inside the telescopic groove. The product to be tested is placed on the top of the test needle. A baffle is fixedly installed at the bottom of both the first and second test seats. A retaining spring is installed on the outside of the bottom end of the test needle and at the bottom of the baffle. Fixing sleeves are fixedly installed on the left and right sides of the first test seat. Locking cylinders are fixedly installed on the left and right sides of the second test seat at positions corresponding to the fixing sleeves.

2. The inductance testing mechanism according to claim 1, characterized in that, Fixing holes are provided at both ends of the baffle, and the fixing holes are fixedly connected to the first test seat and the second test seat by assembly screws.

3. The inductance testing mechanism according to claim 1, characterized in that, A retaining groove is provided on the outer side of the test probe at a position corresponding to the retaining spring, and the retaining spring is engaged with the test probe through the retaining groove.

4. The inductance testing mechanism according to claim 1, characterized in that, Both the upper and lower ends of the fixed sleeve are fixedly connected to the first test base by the first mounting screw. A positioning block is fixedly installed on the right side of the second test base and at the bottom of the fixed sleeve. The rear end of the positioning block is fixedly connected to the second test base by the second mounting screw.

5. An inductance testing mechanism according to claim 1, characterized in that, The rear end of the locking cylinder is fixedly connected to the second test socket by the third mounting screw.

6. The inductance testing mechanism according to claim 1, characterized in that, The locking cylinder has a sliding connection to a locking pin inside. A second spring is sleeved on the outside of the locking pin and inside the locking cylinder. A top ring is fixedly connected to the bottom end of the second spring on the outside of the locking pin.

7. An inductance testing mechanism according to claim 6, characterized in that, A locking block is fixedly connected to the outer side of the top ring, and a movable groove adapted to the locking block is opened on the outer side of the locking cylinder.

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