CN211402608U

CN211402608U - Withstand voltage test fixture of iron core class

Info

Publication number: CN211402608U
Application number: CN201921994599.XU
Authority: CN
Inventors: 宋骏
Original assignee: Wuxi Jinglei Electronic Co ltd
Current assignee: Wuxi Jinglei Electronic Co ltd
Priority date: 2019-09-09
Filing date: 2019-11-18
Publication date: 2020-09-01
Anticipated expiration: 2029-11-18

Abstract

The utility model relates to an iron core type withstand voltage test tool, which comprises a bracket, wherein the upper part of the inner side surface of the bracket is provided with a pressing mechanism, and the bottom surface of the bracket is provided with a bearing mechanism matched with the pressing mechanism; a test knob is arranged on the outer side surface of the bracket; the pressing mechanism comprises a connecting frame, the top of the connecting frame is movably connected with a pressing handle, and the bottom of the connecting frame is provided with a sleeve; the middle part of the pressing handle is movably connected with a lifting rod penetrating through the sleeve through a swing rod, and the bottom end of the lifting rod is connected with a horizontally arranged pressing plate; the pressure-bearing mechanism comprises a lower fixing plate, an upper fixing plate is supported and mounted on the upper surface of the lower fixing plate, a plurality of test slots are formed in the upper surface of the upper fixing plate at intervals, a plurality of test holes penetrating through the lower fixing plate are formed in the bottom surface of the upper fixing plate, first ejector pins are mounted in the test holes, and second ejector pins are respectively arranged on two sides of each test slot. The utility model discloses but the product more than two of concurrent test need not to peg graft repeatedly, very big reduction cost of labor and operation risk, guarantee test condition's uniformity, reduced the product damage because of the misoperation causes.

Description

Withstand voltage test fixture of iron core class

Technical Field

The utility model belongs to the technical field of withstand voltage test frock technique and specifically relates to an iron core class withstand voltage test frock.

Background

In the prior art, voltage withstand test tools of products such as mutual inductors need to test a single product one by one, and the voltage withstand performance of each product on a primary winding, a secondary winding and an iron core is tested, so that the efficiency is low, and the risk of electric shock on personnel during testing is high.

SUMMERY OF THE UTILITY MODEL

The iron core type voltage-withstanding testing tool is reasonable in structure, and primary, secondary and iron core voltage-withstanding performances of a plurality of products are tested simultaneously, so that operation efficiency is improved, and electric shock risks of testers are reduced.

The utility model discloses the technical scheme who adopts as follows:

the iron core voltage withstand test tool comprises a support, wherein the support is of an L-shaped structure, a pressing mechanism is arranged on the upper portion of the inner side face of the support, and a pressure bearing mechanism matched with the pressing mechanism is arranged on the bottom face of the support; a plurality of test knobs are arranged on the outer side surface of the bracket; the structure of the pressing mechanism is as follows: the connecting frame is arranged on the front side surface of the support, the top of the connecting frame is movably connected with the end part of a pressing handle, and a sleeve is integrally arranged at the bottom of the connecting frame; the middle part of the pressing handle is movably connected with a lifting rod penetrating through the sleeve through a swing rod, the lifting rod is lifted along the vertical direction, and the bottom end of the lifting rod is connected with a horizontally arranged pressing plate; the pressure-bearing mechanism is structurally characterized in that: the lower fixing plate is fixedly mounted on the bottom surface of the support, the upper fixing plate is mounted on the upper surface of the lower fixing plate in a supporting mode, a plurality of test slots are formed in the upper surface of the upper fixing plate at intervals, a plurality of test holes penetrating through the lower fixing plate are formed in the bottom surface of each test slot, a first ejector pin is mounted in each test hole, and second ejector pins are arranged on two sides of each test slot respectively.

As a further improvement of the above technical solution:

the second thimble penetrates through the lower fixing plate and the upper fixing plate at the same time, and the top end of the second thimble extends out of the upper surface of the upper fixing plate.

The pressing handle is of an L-shaped structure formed by a short edge and a long edge, one end of the short edge is hinged to the top of the connecting frame, the position where the short edge and the long edge are connected is hinged to the top end of the swing rod, and the bottom end of the swing rod is hinged to the top end of the lifting rod.

The pressing plate is butted above the upper fixing plate and is arranged in parallel with the upper fixing plate.

The bottom parts of the first thimble and the second thimble are respectively connected with a test knob through a line, and the test knob is electrically connected with an external test instrument.

The test holes are provided with a plurality of rows, and the test knobs are correspondingly connected with the first ejector pins and the second ejector pins in the test holes of each row respectively.

The pressing plate, the lower fixing plate and the upper fixing plate are made of epoxy plates.

The connecting frame is connected with the bracket through bolts; the lower fixing plate is connected with the bracket through bolts.

The utility model has the advantages as follows:

the utility model has the advantages of compact and reasonable structure, convenient operation can test the product more than two simultaneously, need not to peg graft repeatedly during the test, labour saving and time saving, very big reduction the cost of labor, guaranteed test condition's uniformity, also reduced because of the product damage that the misoperation caused, simultaneously greatly reduced operating personnel's operation risk, be fit for the quick operation of batch product.

The utility model discloses a link, bottom plate through with the support spiro union, accessible adjustment mounted position, the lifter also can highly adjust the change according to the work piece, adapts to the test demand of not unidimensional iron core class work piece, strong adaptability.

The utility model discloses according to the difference of work piece stitch kind, the position size and the number of adjustable test hole can adapt to the withstand voltage test operation of different grade type iron core class work piece.

The utility model discloses clamp plate, bottom plate and upper fixed plate adopt epoxy panel, and the low price intensity is high and have insulating nature, can reduce operating personnel's operational risk.

The utility model discloses the distance that the ejector pin was inserted to the stitch can be made unanimous to the stroke of pushing down of control lifter, stops because of the bad condition of test that contact failure leads to, prevents simultaneously that the product from damaging because of pressure production.

Drawings

Fig. 1 is a side view of the present invention.

Fig. 2 is a front view of the embodiment of the present invention.

Fig. 3 is a schematic structural view of the pressing handle in fig. 1 in a pressed state.

Wherein: 1. pressing the handle; 2. a connecting frame; 3. a lifting rod; 4. pressing a plate; 5. a support; 6. a workpiece; 7. a second thimble; 8. a test well; 9. a test slot; 10. an upper fixing plate; 11. a lower fixing plate; 12. a swing rod; 13. testing the knob; 201. a sleeve.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 3, as shown in fig. 1, the iron core withstand voltage testing tool of the present embodiment includes a bracket 5, where the bracket 5 is in an L-shaped structure, a pressing mechanism is disposed on an upper portion of an inner side surface of the bracket 5, and a pressure-bearing mechanism matched with the pressing mechanism is disposed on a bottom surface of the bracket 5; a plurality of test knobs 13 are arranged on the outer side surface of the bracket 5; the structure of the pressing mechanism is as follows: the pressing handle comprises a connecting frame 2, wherein the connecting frame 2 is arranged on the front side surface of a support 5, the top of the connecting frame 2 is movably connected with the end part of a pressing handle 1, and a sleeve 201 is integrally arranged at the bottom of the connecting frame 2; the middle part of the pressing handle 1 is movably connected with a lifting rod 3 penetrating through the sleeve 201 through a swing rod 12, the lifting rod 3 is lifted along the vertical direction, and the bottom end of the lifting rod 3 is connected with a horizontally arranged pressing plate 4; the structure of pressure-bearing mechanism does: including bottom plate 11, bottom plate 11 fixed mounting is on 5 bottom surfaces of support, and the last surface support of bottom plate 11 installs upper fixed plate 10, and the upper surface interval of upper fixed plate 10 is opened has a plurality of test grooves 9, and it has a plurality of test holes 8 that link up in bottom plate 11 to open on the bottom surface of every test groove 9, installs in every test hole 8

And two sides of each test slot 9 are respectively provided with a second thimble 7.

The second thimble 7 penetrates through the lower fixing plate 11 and the upper fixing plate 10, and the top end of the second thimble 7 extends out of the upper surface of the upper fixing plate 10.

The pressing handle 1 is of an L-shaped structure formed by a short edge and a long edge, one end of the short edge is hinged to the top of the connecting frame 2, the joint position of the short edge and the long edge is hinged to the top end of the swing rod 12, and the bottom end of the swing rod 12 is hinged to the top end of the lifting rod 3.

The pressing plate 4 is butted above the upper fixing plate 10 and arranged in parallel with the upper fixing plate 10.

The bottoms of the first thimble and the second thimble 7 are respectively connected with a test knob 13 through a circuit, and the test knob 13 is electrically connected with an external test instrument.

The test holes 8 are provided with a plurality of rows, and the test knob 13 is correspondingly connected with the first thimble and the second thimble 7 in each row of test holes 8.

The pressing plate 4, the lower fixing plate 11 and the upper fixing plate 10 are made of epoxy plates.

The connecting frame 2 is connected with the bracket 5 through bolts; the lower fixing plate 11 is bolted to the bracket 5.

In the implementation process of the utility model, as shown in fig. 2, the workpiece 6 is placed in the test slot 9, the handle 1 is pressed downwards by rotating the handle 1, as shown by the arrow direction in fig. 1, the lifting rod 3 is driven by the swing rod 12 to move in the sleeve 201, so that the pressing plate 4 moves downwards, pressure is applied to the workpiece 6, the pins on the primary and secondary windings of the workpiece 6 extend into the test hole 8 and contact with the first thimble, and meanwhile, the iron core part of the workpiece 6 contacts with the two second thimbles 7 positioned at two sides of the test slot 9; the first thimble and the second thimble 7 are electrically connected with a corresponding test knob 13 through lines respectively, and transmit the piezoelectric signal to an external test instrument (not shown in the figure), so that the pressure resistance of the workpiece is measured.

The utility model discloses test the primary level and the iron core of a plurality of work pieces 6 simultaneously, improved efficiency of software testing and precision, effectively reduce the electric shock risk, improved the test security.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides a withstand voltage test fixture of iron core class which characterized in that: the device comprises a support (5), wherein the support (5) is of an L-shaped structure, a pressing mechanism is arranged on the upper part of the inner side surface of the support (5), and a pressure-bearing mechanism matched with the pressing mechanism is arranged on the bottom surface of the support (5); a plurality of test knobs (13) are arranged on the outer side surface of the bracket (5);

the structure of the pressing mechanism is as follows: the pressing device comprises a connecting frame (2), wherein the connecting frame (2) is arranged on the front side surface of a support (5), the top of the connecting frame (2) is movably connected with the end part of a pressing handle (1), and a sleeve (201) is integrally arranged at the bottom of the connecting frame (2); the middle part of the pressing handle (1) is movably connected with a lifting rod (3) penetrating through the sleeve (201) through a swing rod (12), the lifting rod (3) is lifted along the vertical direction, and the bottom end of the lifting rod (3) is connected with a horizontally arranged pressing plate (4);

the pressure-bearing mechanism is structurally characterized in that: including bottom plate (11), bottom plate (11) fixed mounting is on support (5) bottom surface, and the upper surface of bottom plate (11) supports and installs upper fixed plate (10), and the upper surface interval of upper fixed plate (10) is opened has a plurality of test groove (9), and it has a plurality of test hole (8) of lining up in bottom plate (11) to open on the bottom surface of every test groove (9), installs first thimble in every test hole (8), and the both sides of every test groove (9) are equipped with second thimble (7) respectively.

2. An iron core class withstand voltage test tool according to claim 1, characterized in that: the second thimble (7) penetrates through the lower fixing plate (11) and the upper fixing plate (10) at the same time, and the top end of the second thimble (7) extends out of the upper surface of the upper fixing plate (10).

3. An iron core class withstand voltage test tool according to claim 1, characterized in that: the pressing handle (1) is of an L-shaped structure formed by a short edge and a long edge, one end of the short edge is hinged to the top of the connecting frame (2), the position where the short edge and the long edge are connected is hinged to the top end of the swing rod (12), and the bottom end of the swing rod (12) is hinged to the top end of the lifting rod (3).

4. An iron core class withstand voltage test tool according to claim 1, characterized in that: the pressing plate (4) is butted above the upper fixing plate (10) and is arranged in parallel with the upper fixing plate (10).

5. An iron core class withstand voltage test tool according to claim 1, characterized in that: the bottom parts of the first thimble and the second thimble (7) are respectively connected with a test knob (13) through a circuit, and the test knob (13) is electrically connected with an external test instrument.

6. An iron core class withstand voltage test tool of claim 5, characterized in that: the test holes (8) are provided with a plurality of rows, and the test knobs (13) are respectively and correspondingly connected with the first ejector pins and the second ejector pins (7) in the test holes (8) of each row.

7. An iron core class withstand voltage test tool according to claim 1, characterized in that: the pressing plate (4), the lower fixing plate (11) and the upper fixing plate (10) are made of epoxy plates.

8. An iron core class withstand voltage test tool according to claim 1, characterized in that: the connecting frame (2) is connected with the bracket (5) through bolts; the lower fixing plate (11) is connected with the bracket (5) through bolts.