CN211577298U

CN211577298U - Common mode inductance dielectric strength detection device

Info

Publication number: CN211577298U
Application number: CN201922416983.8U
Authority: CN
Inventors: 李军
Original assignee: Xuzhou Jiuli Electronic Co ltd
Current assignee: Xuzhou Jiuli Electronic Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-09-25
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses an anti electric strength detection device of common mode inductance, the on-line screen storage device comprises a base, the platform is placed to the positive fixedly connected with at base top, the left and right sides symmetry fixedly connected with brace table at base top, the through-hole of intercommunication one of which side and another side is seted up to the middle part symmetry of two brace tables back to back of the body side, the middle part of a brace table side is provided with hydraulic push rod, hydraulic push rod's middle part has cup jointed the mounting bracket, the middle part of a brace table another side is provided with the loading board, the top and the bottom symmetry that a brace table. A common mode inductance electric strength detection device, the hydraulic push rod who utilizes both sides promotes two countries loading board relative movement, utilizes four test shell fragment contact common mode inductance's stitch to detect common mode inductance's electric strength, can avoid common mode inductance's stitch to expose, increases the accuracy of test.

Description

Common mode inductance dielectric strength detection device

Technical Field

The utility model relates to a common mode inductance field, in particular to common mode inductance dielectric strength detection device.

Background

The common mode inductor is also called as a common mode choke coil and is commonly used for filtering common mode electromagnetic interference signals in a switching power supply of a computer, in the design of a board card, the common mode inductor also plays a role in EMI filtering and is used for inhibiting electromagnetic waves generated by a high-speed signal wire from radiating and emitting outwards, the forming and testing of the conventional common mode inductor with thick wires and multiple strands are divided into two processes, namely forming wire shearing and comprehensive testing, the operation of two persons is required to be completed, and in the conventional forming wire shearing, flat pliers and a wire shearing jig are used for pulling and forming 4 copper wires of a product and shearing the wires, so that the time and the labor are wasted, and the efficiency is low; the traditional comprehensive test process needs to use a comprehensive tester and a test cutter, needs to press 4 PIN PINs of a product onto the test cutter for comprehensive test, and is low in efficiency, and the test cutter is exposed to certain danger, so that the traditional common-mode inductor forming and testing process is labor-consuming, low in efficiency and incapable of being efficiently unfolded.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a common mode inductance dielectric strength detection device, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a common mode inductance electricity-resistant strength detection device comprises a base, wherein a placement table is fixedly connected in the center of the top of the base, support tables are symmetrically and fixedly connected on the left side and the right side of the top of the base, through holes communicating one side surface with the other side surface of the two support tables are symmetrically formed in the middle of the opposite side surfaces of the two support tables, a hydraulic push rod is arranged in the middle of one side surface of each support table, a mounting frame is sleeved in the middle of the hydraulic push rod, a bearing plate is arranged in the middle of the other side surface of each support table, test elastic pieces are symmetrically arranged at the top and the bottom of the bearing plate, which are far away from one side surface of each support table, I-shaped rubber rings are symmetrically arranged at the opposite ends of the two test elastic pieces, which are far away from, the utility model discloses a test spring piece, including rubber column, test shell fragment, support cover, compression spring, loading board, test shell fragment, rubber column, rubber.

Preferably, the one end that hydraulic push rod is close to a supporting bench extends there is the output, hydraulic push rod's output runs through the through-hole and extends to the outside of a supporting bench another side, hydraulic push rod and the wall body of mounting bracket closely laminate and fixed connection, the one end fixed mounting that the mounting bracket is close to a supporting bench is on the outer wall of a supporting bench side, hydraulic push rod output fixed mounting is on the outer wall at loading board another side middle part.

Preferably, one end of the i-shaped rubber ring close to the testing elastic sheet penetrates through the outer wall of one side face of the testing elastic sheet and extends to the outside of the other side face of the testing elastic sheet, the i-shaped rubber ring is tightly attached and fixedly connected with the wall body of the testing elastic sheet, one end of the national bolt close to the i-shaped rubber ring sequentially penetrates through the outer walls of the i-shaped rubber ring and one side face of the bearing plate and extends to the inside of the wall body of the bearing plate, the national bolt is connected with the wall bodies of the i-shaped rubber ring and the bearing plate through threads, and one end of the two testing elastic sheets which are opposite to each other bends.

Preferably, one end of the support sleeve, which is close to the bearing plate, penetrates through the outer wall of one side face of the bearing plate and extends into the wall body of the bearing plate, the support sleeve is tightly attached to and fixedly connected with the wall body of the compression spring, one end of the support ring, which is close to the support sleeve, penetrates through the outer wall of the support sleeve and extends into the support sleeve, and the support ring is tightly attached to and fixedly connected with the wall body of the support sleeve.

Preferably, the one end of gluing the post runs through the support ring and extends to the inside of supporting the cover, glue the close laminating of the wall body of post and support ring and fixed connection, glue the close laminating of the wall body of post and spacing dish and fixed connection, the top of spacing dish, bottom, front and back laminating support the inner wall of cover, two the ejector pin sets up the top and the bottom of gluing the post respectively, the guide arm is kept away from the one end of supporting the cover inner wall and is run through the outer wall of gluing post one end and extend to the inside of gluing the post wall body, the guide arm agrees with mutually with the wall body of gluing the post, compression spring's one end fixed mounting is on supporting the inner wall of cover another side, compression spring's other end fixed mounting is served at gluey post.

Preferably, the one end that the loading board was kept away from to the gag lever post runs through the outer wall of a supporting bench another side and extends to the outside of a supporting bench side, the gag lever post is laminated with the wall body of a supporting bench mutually.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, the common mode inductor is placed at the top of the placing table, the hydraulic push rods at two sides are used for pushing the two national bearing plates to move relatively, the four testing elastic pieces are used for contacting the pins of the common mode inductor to detect the electric strength of the common mode inductor, the exposure of the pins of the common mode inductor can be avoided, the testing accuracy is increased, the limiting rod is arranged, the gravity of the bearing plates is borne while the guide is provided for the movement of the bearing plates, the bending of the hydraulic push rods under stress is avoided, the rubber columns, the supporting sleeve and the compression spring are arranged to work in a matched mode, the rubber columns are elastically contracted in the supporting sleeve to avoid the pins from being deformed due to overlarge stress, the guide is provided for the movement of the rubber columns through the matched work of the limiting disc, the supporting ring and the guide rod, the rubber columns at two sides are enabled to enter the supporting sleeve to be equal in distance through the, and the influence of the offset of the fixed position of the common-mode inductor on the detection structure is avoided.

Drawings

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

fig. 2 is a cross-sectional view of the support table of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a base; 2. a placing table; 3. a support table; 4. a through hole; 5. a hydraulic push rod; 6. a mounting frame; 7. a carrier plate; 8. testing the elastic sheet; 9. an I-shaped rubber ring; 10. fixing the bolt in China; 11. glue columns; 12. a limiting disc; 13. a support sleeve; 14. a support ring; 15. a top rod; 16. a guide bar; 17. a compression spring; 18. a limiting rod; 19. and (7) sealing the cap.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-3, a common mode inductance electric resistance strength detection device comprises a base 1, a placement table 2 is fixedly connected in the center of the top of the base 1, support tables 3 are symmetrically and fixedly connected to the left side and the right side of the top of the base 1, through holes 4 communicating one side surface with the other side surface of the two support tables 3 are symmetrically formed in the middle of the opposite side surfaces of the two support tables 3, a hydraulic push rod 5 is arranged in the middle of one side surface of each support table 3, a mounting frame 6 is sleeved in the middle of the hydraulic push rod 5, a bearing plate 7 is arranged in the middle of the other side surface of each support table 3, an output end of the hydraulic push rod 5 extends to the outside of the other side surface of each support table 3 through the through holes 4, the hydraulic push rod 5 is closely attached to and fixedly connected with the wall body of the, the output end of the hydraulic push rod 5 is fixedly arranged on the outer wall of the middle part of the other side surface of the bearing plate 7, the top and the bottom of one side surface of the bearing plate 7 away from the supporting platform 3 are symmetrically provided with a testing elastic sheet 8, the opposite ends of the two testing elastic sheets 8 away from one side surface of the bearing plate 7 are symmetrically provided with an I-shaped rubber ring 9, the center of one side surface of the I-shaped rubber ring 9 away from the testing elastic sheet 8 is provided with a national fixed bolt 10, the opposite ends of the other side surfaces of the two testing elastic sheets 8 are symmetrically provided with rubber columns 11, one ends of the rubber columns 11 away from the testing elastic sheet 8 are sleeved with a limiting plate 12, one end of the rubber column 11 is provided with a supporting sleeve 13, the center of one side surface of the supporting sleeve 13 close to the rubber column 11 is provided with a supporting ring 14, the top and the bottom, the top and the bottom of the other side of the bearing plate 7 are symmetrically and fixedly connected with a limiting rod 18, and one end of the limiting rod 18 far away from the bearing plate 7 is fixedly connected with a sealing cap 19.

One end of the I-shaped rubber ring 9 close to the testing elastic sheet 8 penetrates through the outer wall of one side face of the testing elastic sheet 8 and extends to the outside of the other side face of the testing elastic sheet 8, the I-shaped rubber ring 9 is tightly attached and fixedly connected with the wall body of the testing elastic sheet 8, one end of the national bolt 10 close to the I-shaped rubber ring 9 sequentially penetrates through the I-shaped rubber ring 9 and the outer wall of one side face of the bearing plate 7 and extends to the inside of the wall body of the bearing plate 7, the national bolt 10 is connected with the wall bodies of the I-shaped rubber ring 9 and the bearing plate 7 through threads, the opposite ends of the two testing elastic sheets 8 are bent thirty degrees to one side far away from the bearing plate 7, one end of the support sleeve 13 close to the bearing plate 7 penetrates through the outer wall of one side face of the bearing plate 7 and extends to the inside of the wall body of the bearing plate 7, the support sleeve 13 is tightly attached, the support ring 14 is closely attached and fixedly connected with the wall body of the support sleeve 13, one end of the rubber column 11 penetrates through the support ring 14 and extends to the inside of the support sleeve 13, the rubber column 11 is closely attached and fixedly connected with the wall body of the support ring 14, the rubber column 11 is closely attached and fixedly connected with the wall body of the limiting disc 12, the top, the bottom, the front and the back of the limiting disc 12 are attached to the inner wall of the support sleeve 13, two ejector rods 15 are respectively provided with the top and the bottom of the rubber column 11, one end of a guide rod 16, which is far away from the inner wall of the support sleeve 13, penetrates through the outer wall of one end of the rubber column 11 and extends to the inside of the wall body of the rubber column 11, the guide rod 16 is engaged with the wall body of the rubber column 11, one end of a compression spring 17 is fixedly arranged on the inner wall of the other side surface of the support sleeve 13, the other end of the compression spring 17 is fixedly arranged on one end of, the limit rod 18 is attached to the wall body of the support table 3.

It should be noted that the utility model relates to a common mode inductance electric resistance strength detection device, when in use, the common mode inductance is placed on the top of the placing table 2, the hydraulic push rods 5 at two sides are used for pushing the two country bearing plates 7 to move relatively, the four testing elastic sheets 8 are used for contacting the pins of the common mode inductance to detect the electric resistance strength of the common mode inductance, the pins of the common mode inductance can be prevented from being exposed, the testing accuracy is increased, the limiting rod 18 is arranged for providing guidance for the movement of the bearing plates 7 and simultaneously bearing the gravity of the bearing plates 7, the hydraulic push rods 5 are prevented from being stressed and bent, the rubber column 11, the supporting sleeve 13 and the compression spring 17 are arranged to cooperate, the rubber column 11 is used for elastic shrinkage in the supporting sleeve 13, the pins are prevented from being deformed due to overlarge stress, the spacing disc 12, the supporting ring 14 and the guide rod 16 are arranged to cooperate with each other to provide guidance for the movement, through the cooperation work of the limiting disc 12 and the ejector rod 15, the distance between the rubber columns 11 on the two sides and the distance between the rubber columns 11 and the supporting sleeve 13 are equal, and the influence of the deviation of the fixed position of the common-mode inductor on the detection structure is avoided.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a common mode inductance dielectric strength detection device, includes base (1), its characterized in that: the middle of the top of the base (1) is fixedly connected with a placing table (2), the left side and the right side of the top of the base (1) are symmetrically and fixedly connected with supporting tables (3), through holes (4) communicating one side face with the other side face are symmetrically formed in the middle of the two supporting tables (3) back to the other side face, a hydraulic push rod (5) is arranged in the middle of one side face of each supporting table (3), a mounting frame (6) is sleeved in the middle of each hydraulic push rod (5), a bearing plate (7) is arranged in the middle of the other side face of each supporting table (3), test elastic sheets (8) are symmetrically arranged at the top and the bottom of one side face, far away from each supporting table (3), of the two test elastic sheets (8), opposite ends, far away from one side face of each bearing plate (7), of each test elastic sheet (7) are symmetrically provided with an I-shaped, two the one end symmetry that test shell fragment (8) another side carried on the back mutually is provided with gluey post (11), gluey post (11) is kept away from the one end of test shell fragment (8) and has been cup jointed spacing dish (12), the one end of gluing post (11) is provided with supports cover (13), it is provided with support ring (14) to support cover (13) to be close to the centre of gluing post (11) a side, support the top and the bottom symmetry fixedly connected with ejector pin (15) of cover (13) another side inner wall, support the centre fixedly connected with guide arm (16) of cover (13) another side inner wall, compression spring (17) have been cup jointed at the middle part of guide arm (16), top and the bottom symmetry fixedly connected with gag lever post (18) of loading board (7) are kept away from to gag lever post (18), the one end fixedly connected with sealing cap (19) of loading board (7.

2. The apparatus according to claim 1, wherein the common mode inductor impedance electric strength detection apparatus comprises: hydraulic rod (5) are close to the one end extension of brace table (3) and have the output, the output of hydraulic rod (5) runs through-hole (4) and extends to the outside of brace table (3) another side, hydraulic rod (5) and the wall body close fitting of mounting bracket (6) and fixed connection, one end fixed mounting that mounting bracket (6) are close to brace table (3) is on the outer wall of brace table (3) a side, hydraulic rod (5) output end fixed mounting is on the outer wall at loading board (7) another side middle part.

3. The apparatus according to claim 1, wherein the common mode inductor impedance electric strength detection apparatus comprises: one end of the I-shaped rubber ring (9) close to the testing elastic sheet (8) penetrates through the outer wall of one side face of the testing elastic sheet (8) and extends to the outer portion of the other side face of the testing elastic sheet (8), the I-shaped rubber ring (9) is tightly attached to and fixedly connected with the wall body of the testing elastic sheet (8), one end of the national standard bolt (10) close to the I-shaped rubber ring (9) sequentially penetrates through the I-shaped rubber ring (9) and the outer wall of one side face of the bearing plate (7) and extends into the wall body of the bearing plate (7), the national standard bolt (10) is in threaded connection with the I-shaped rubber ring (9) and the wall body of the bearing plate (7), and one ends of the two testing elastic sheets (8) which are opposite to each other are bent by thirty.

4. The apparatus according to claim 1, wherein the common mode inductor impedance electric strength detection apparatus comprises: one end, close to the bearing plate (7), of the support sleeve (13) penetrates through the outer wall of one side face of the bearing plate (7) and extends to the inner portion of the wall body of the bearing plate (7), the support sleeve (13) is tightly attached and fixedly connected with the wall body of the compression spring (17), one end, close to the support sleeve (13), of the support ring (14) penetrates through the outer wall of the support sleeve (13) and extends to the inner portion of the support sleeve (13), and the support ring (14) is tightly attached and fixedly connected with the wall body of the support sleeve (13).

5. The apparatus according to claim 1, wherein the common mode inductor impedance electric strength detection apparatus comprises: one end of the rubber column (11) penetrates through the support ring (14) and extends to the inside of the support sleeve (13), the glue column (11) is closely attached and fixedly connected with the wall body of the support ring (14), the glue column (11) is closely attached and fixedly connected with the wall body of the limiting disc (12), the top, the bottom, the front and the back of the limiting disc (12) are attached to the inner wall of the support sleeve (13), the two ejector rods (15) are respectively provided with the top and the bottom of the rubber column (11), one end of the guide rod (16) far away from the inner wall of the support sleeve (13) penetrates through the outer wall of one end of the rubber column (11) and extends into the wall body of the rubber column (11), the guide rod (16) is matched with the wall body of the rubber column (11), one end of the compression spring (17) is fixedly arranged on the inner wall of the other side surface of the support sleeve (13), the other end of the compression spring (17) is fixedly arranged on one end of the rubber column (11).

6. The apparatus according to claim 1, wherein the common mode inductor impedance electric strength detection apparatus comprises: the one end that loading board (7) were kept away from in gag lever post (18) runs through the outer wall of brace table (3) another side and extends to the outside of brace table (3) a side, gag lever post (18) laminate mutually with the wall body of brace table (3).