CN213457153U

CN213457153U - Test fixture convenient to quick clamping transformer

Info

Publication number: CN213457153U
Application number: CN202022346028.4U
Authority: CN
Inventors: 陈璐
Original assignee: Suzhou Alboras Automobile Products Co ltd
Current assignee: Suzhou Alboras Automobile Products Co ltd
Priority date: 2020-10-20
Filing date: 2020-10-20
Publication date: 2021-06-15
Anticipated expiration: 2030-10-20

Abstract

The utility model discloses a test fixture convenient to quick clamping transformer, including the unable adjustment base of rigid coupling on the test box, be equipped with on the unable adjustment base with what the test box electricity was connected surveys test panel, the top of surveying test panel be equipped with receive driving piece drive energy along the clamping board that unable adjustment base removed. The testing board comprises a testing substrate, a plurality of groups of clamping pieces are arranged at the upper end of the testing substrate, each clamping piece comprises a pair of clamping pieces which are oppositely arranged, and a slot for inserting a transformer pin is formed between the clamping pieces in a limited mode. And the clamping plate is provided with a plurality of jacks which are communicated with the slots in a one-to-one correspondence manner. When the driving piece drives the clamping plate to move, a clamping gap matched with the size of the transformer pin can be formed between the jack and the corresponding slot. The utility model discloses a test fixture can a plurality of pins of quick clamping transformer, easy operation, and is efficient.

Description

Test fixture convenient to quick clamping transformer

Technical Field

The utility model relates to a transformer test equipment technical field especially relates to a test fixture convenient to quick clamping transformer.

Background

A transformer is a device for changing an ac voltage by using the principle of electromagnetic induction, and generally includes an iron core, a primary coil, and a secondary coil. Transformers are often used in electronic circuits for power-up and down, impedance matching, and isolation, and are increasingly used along with the development of mobile information products and household electrical appliances. The transformer pin is an important device for installing and fixing the transformer, and when the performance of the transformer is tested, the transformer pin needs to be fixed well, but because the number of the transformer pins is large, the fixing of the pins one by one is troublesome in operation, long in time consumption and low in efficiency.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a test fixture convenient to quick clamping transformer, easy operation, it is efficient.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a test fixture convenient to quick clamping transformer, includes the unable adjustment base of rigid coupling on the test box, be equipped with on the unable adjustment base with the survey test panel that the test box electricity is connected, the top of surveying the test panel be equipped with receive driving piece drive energy along the clamping board that unable adjustment base removed. The testing board comprises a testing substrate, a plurality of groups of clamping pieces are arranged at the upper end of the testing substrate, each clamping piece comprises a pair of clamping pieces which are oppositely arranged, and a slot for inserting a transformer pin is formed between the clamping pieces in a limited mode. And the clamping plate is provided with a plurality of jacks which are communicated with the slots in a one-to-one correspondence manner. When the driving piece drives the clamping plate to move, a clamping gap matched with the size of the transformer pin can be formed between the jack and the corresponding slot.

The beneficial effects of the utility model reside in that: during testing, the transformer is placed on the clamping plate, and a plurality of pins of the transformer are respectively inserted into the slots along the jacks (one pin corresponds to one jack and one slot); the clamping plate is driven to move along the fixed base through the driving piece, the jack on the clamping plate moves along with the clamping plate, and the pin of the transformer is driven to move in the slot until the pin of the transformer abuts against one of the clamping pieces, and at the moment, the pin is clamped under the interaction of the clamping pieces and the jack; then the transformer can be tested through the electric connection of the test board and the test box. The utility model discloses a setting up of a plurality of slot and jack can carry out the clamping to a plurality of pins of transformer simultaneously, easy operation, and is efficient.

Further, the fixed base comprises a fixed bottom plate, fixed vertical plates which form a U-shaped structure with the fixed bottom plate are symmetrically arranged at the upper end of the fixed bottom plate, and a containing groove for placing the test plate is defined between the fixed vertical plates. The inner side of the upper end of each fixed vertical plate is provided with a sliding groove for the clamping plate to move.

Further, the upper end of the fixed vertical plate is fixedly connected with a limiting pressure plate for limiting the moving range of the clamping plate, and the limiting pressure plate is located above the sliding groove. The limiting pressing plate can be matched with the sliding groove to limit the movement of the clamping plate, and the moving stability of the clamping plate is guaranteed.

Further, a through groove which is communicated up and down is formed in the fixed bottom plate, a connecting column which extends out of the through groove is arranged at the lower end of the test substrate, and the connecting column is used for being electrically connected with the test box.

Furthermore, the lower end of the test substrate is symmetrically provided with limiting blocks positioned on two sides of the connecting column, and one ends of the limiting blocks are abutted against the inner wall of the through groove. The test board can be fixed on the fixed bottom plate in a limiting way through the limiting block.

Further, the insertion holes are of long strip-shaped structures, and the length of the insertion holes is larger than that of the clamping pieces.

Furthermore, the driving part is a driving cylinder fixedly connected to the test box, and a piston rod of the driving cylinder is fixedly connected with a pushing block for pushing the clamping plate.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a fixing base and a test board according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a fixing base according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a test board according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a clamping plate according to an embodiment of the present invention.

In the figure:

1-a test cartridge; 2-fixing the base; 21-fixing the bottom plate; 211-through slots; 22-fixing the vertical plate; 221-a chute; 3-a test board; 31-a test substrate; 311-connecting column; 312-a stop block; 32-a clip; 4, clamping plates; 41-jack; 5-limiting pressure plates; 6-driving the cylinder; and 61-a push block.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached drawings 1-2, the utility model discloses a test fixture convenient to quick clamping transformer, including rigid coupling unable adjustment base 2 on test box 1, unable adjustment base 2 is last be equipped with survey test panel 3 that the test box 1 electricity is connected, the top of surveying test panel 3 be equipped with by driving piece drive energy along the clamping board 4 that unable adjustment base 2 removed. The testing board 3 comprises a testing substrate 31, wherein a plurality of groups of clamping pieces are arranged at the upper end of the testing substrate 31, each clamping piece comprises a pair of oppositely arranged clamping pieces 32, and a slot for inserting a transformer pin is defined between the clamping pieces 32. The clamping plate 4 is provided with a plurality of jacks 41 which are communicated with the slots in a one-to-one correspondence manner. When the driving piece drives the clamping plate 4 to move, a clamping gap matched with the size of the pin of the transformer can be formed between the insertion hole 41 and the corresponding slot.

During testing, the transformer is placed on the clamping plate 4, and a plurality of pins of the transformer are respectively inserted into the slots along the jacks 41 (one pin corresponds to one jack and one slot); the clamping plate 4 is driven by the driving piece to move along the fixed base 2, the insertion hole 41 on the clamping plate 4 moves along with the clamping plate, and the pin of the transformer is driven to move in the insertion slot until the pin of the transformer abuts against one of the clamping pieces 32, and at the moment, the pin is clamped under the interaction of the clamping pieces 32 and the insertion hole 41; the transformer can then be tested by electrically connecting the test board 3 to the test box 1. Through the arrangement of the plurality of slots and the jacks 41, a plurality of pins of the transformer can be clamped simultaneously, and the convenience of clamping is guaranteed.

In this embodiment, referring to fig. 3, the fixed base 2 includes a fixed bottom plate 21, the upper end of the fixed bottom plate 21 is symmetrically provided with fixed vertical plates 22 forming a U-shaped structure, and a containing groove for placing a test board is defined between the fixed vertical plates 22. The inner side of the upper end of each fixed vertical plate 22 is provided with a sliding groove 221 for the clamping plate 4 to move. The upper end of the fixed vertical plate 22 is further fixedly connected with a limiting pressure plate 5 for limiting the moving range of the clamping plate 4, and the limiting pressure plate 5 is located above the sliding groove 221. The limiting pressure plate 5 can be matched with the sliding groove 221 to limit the movement of the clamping plate 4, and the movement stability of the clamping plate is guaranteed.

A through groove 211 which is communicated up and down is formed in the fixed bottom plate 21, as shown in fig. 2 and 4, a connection column 311 extending out of the through groove 211 is formed at the lower end of the test substrate 31, and the connection column 311 is used for electrically connecting the test box 1. The lower end of the test substrate 31 is further symmetrically provided with limiting blocks 312 positioned on two sides of the connecting column 311, and one ends of the limiting blocks 312 are abutted against the inner wall of the through groove 211.

In order to ensure that the pins of the transformer can smoothly enter the slots, referring to fig. 5, the insertion holes 41 are configured as a strip-shaped structure, and the length of the insertion holes 41 is slightly greater than the length of the clamping pieces 32.

In this embodiment, the driving member is a driving cylinder 6 fixedly connected to the test box 1, and a piston rod of the driving cylinder 6 is fixedly connected to a pushing block 61 for pushing the clamping plate 4.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a test fixture convenient to quick clamping transformer which characterized in that: the test device comprises a fixed base fixedly connected on a test box, wherein a test board electrically connected with the test box is arranged on the fixed base, and a clamping board driven by a driving part and capable of moving along the fixed base is arranged above the test board; the test board comprises a test substrate, a plurality of groups of clamping piece parts are arranged at the upper end of the test substrate, each clamping piece part comprises a pair of clamping pieces which are oppositely arranged, and a slot for inserting a transformer pin is defined between the clamping pieces; the clamping plate is provided with a plurality of jacks which are communicated with the slots in a one-to-one correspondence manner; when the driving piece drives the clamping plate to move, a clamping gap matched with the size of the transformer pin can be formed between the jack and the corresponding slot.

2. The test fixture of claim 1, wherein: the fixed base comprises a fixed bottom plate, fixed vertical plates which form a U-shaped structure with the fixed bottom plate are symmetrically arranged at the upper end of the fixed bottom plate, and an accommodating groove for accommodating the test plate is defined between the fixed vertical plates; the inner side of the upper end of each fixed vertical plate is provided with a sliding groove for the clamping plate to move.

3. The test fixture of claim 2, wherein: the upper end of the fixed vertical plate is further fixedly connected with a limiting pressure plate used for limiting the moving range of the clamping plate, and the limiting pressure plate is located above the sliding groove.

4. The test fixture of claim 2, wherein: the testing device comprises a fixed base plate and is characterized in that a through groove which is communicated up and down is formed in the fixed base plate, a connecting column which extends out of the through groove is arranged at the lower end of the testing base plate, and the connecting column is used for being electrically connected with the testing box.

5. The test fixture of claim 4, wherein: the lower extreme of test base plate still the symmetry be provided with be located the stopper of spliced pole both sides, the one end of stopper supports and leans on the inner wall that leads to the groove.

6. The test fixture of any one of claims 1-5, wherein: the jack is of a long strip-shaped structure, and the length of the jack is greater than that of the clamping piece.

7. The test fixture of claim 1, wherein: the driving piece is a driving cylinder fixedly connected to the test box, and a piston rod of the driving cylinder is fixedly connected with a push block used for pushing the clamping plate.