CN117691387A - Heavy-current plug spring and reed processing method thereof - Google Patents
Heavy-current plug spring and reed processing method thereof Download PDFInfo
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- CN117691387A CN117691387A CN202311390680.8A CN202311390680A CN117691387A CN 117691387 A CN117691387 A CN 117691387A CN 202311390680 A CN202311390680 A CN 202311390680A CN 117691387 A CN117691387 A CN 117691387A
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- Prior art keywords
- spring
- section
- reed
- claws
- current plug
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- 235000014676 Phragmites communis Nutrition 0.000 title claims abstract description 40
- 238000003672 processing method Methods 0.000 title claims description 6
- 210000000078 claw Anatomy 0.000 claims abstract description 66
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 claims abstract description 20
- 239000010949 copper Substances 0.000 claims abstract description 20
- 238000005520 cutting process Methods 0.000 claims abstract description 18
- 239000012634 fragment Substances 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 5
- 244000273256 Phragmites communis Species 0.000 description 5
- 238000003754 machining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The present disclosure relates to the field of electrical connectors, and more particularly, to a high-current plug spring and a method for processing a reed thereof. The utility model provides a heavy current plug spring, includes the copper bar, sets up the reed in the copper bar both sides, is located the shell fragment of reed one side dorsad copper bar, the reed is including connecting plate and the contact piece that is used for linking to each other with the copper bar, and the contact piece cuts through the wire cutting and forms a plurality of intervals 0.1mm-0.6 mm's spring claw. The spring claws are cut in a linear cutting mode, the distance between every two adjacent spring claws is only 0.1-0.6 mm, the arrangement density of the spring claws is greatly increased, more spring claws can be arranged under the same size, and the plug springs can bear larger current.
Description
Technical Field
The present disclosure relates to the field of electrical connectors, and more particularly, to a high-current plug spring and a method for processing a reed thereof.
Background
The sheet type contactor has strong current capacity and high production efficiency, can meet the requirements of the electric car on a high-current connector, and is widely applied to the field of the electric car at present.
However, the upper limit of the current carrying capacity of the plug spring in the existing sheet type contactor is determined by the number of spring claws on the spring leaves, and the higher the number of the spring claws is, the higher the upper limit of the current carrying capacity of the plug spring is. In the conventional blanking process, in order to ensure the processing quality, the thickness of the spring claw is usually twice that of the material, and the width of the blanking notch is usually 1 time that of the reed. By way of example with a leaf spring having a thickness of 0.8mm, the thickness of the spring fingers is 1.6mm and the width of the cut between the spring fingers is 1mm, which means that only one spring finger can be provided every 2.6mm at most. Therefore, in the prior art, under the condition that the width of the plug spring is limited, the number of the spring claws is also limited, so that a high-current plug spring cannot be manufactured under the condition that the width of the plug spring is limited.
Disclosure of Invention
In order to enable the plug spring to carry a larger current with the same size, the present application provides a high current plug spring.
One of the purposes of this application is to provide a heavy current plug spring, adopts following technical scheme:
the utility model provides a heavy current plug spring, includes the copper bar, sets up the reed in the copper bar both sides, is located the shell fragment of reed one side dorsad copper bar, the reed is including connecting plate and the contact piece that is used for linking to each other with the copper bar, and the contact piece cuts through the wire cutting and forms a plurality of intervals 0.1mm-0.6 mm's spring claw.
Through adopting above-mentioned technical scheme, through wire cutting's mode cutting spring claw for the interval between the adjacent spring claw only has 0.1mm-0.6mm, has increased the density of arranging of spring claw by a wide margin, makes can set up the spring claw of more quantity under the same size, and the plug spring just also can bear bigger electric current.
Preferably, the contact piece comprises an outward expansion section which is inclined away from the direction of the other reed when the contact piece extends outwards from the joint of the contact piece and the first connecting plate, a spring arm section which is close to the other reed from the outward expansion section to the direction away from the first connecting plate, an arc section which is formed from the spring arm section to the direction away from the outward expansion section and protrudes towards the direction of the other reed, and a guide section which is inclined away from the spring arm section from the arc section to the direction away from the other reed.
Through adopting above-mentioned technical scheme, insert the position between two reeds through guide section guide other plug connectors, spring arm section and arc section then make the better restoring force that provides of reed after the deformation clamp plug connector.
Preferably, the spring claws are formed by cutting the contact piece from the spring arm section to the guide section, and the arc section position of each spring claw is formed with a contact protruding towards the direction of the other spring piece.
By adopting the technical scheme, the contact is arranged to be better conducted with the plug connector.
Preferably, the spring pieces each include a second connecting plate that cooperates with the rivet portion, an extension plate that extends from the second connecting plate in a direction away from the rivet portion toward a direction away from the other spring piece, and a plurality of spring claws that extend in a direction away from the second connecting plate and are connected to the extension plate, and the spring claws abut against the spring claws and apply a force to the spring claws.
Through adopting above-mentioned technical scheme, set up the spring claw and exert effort to the spring claw for more stable electricity is connected between spring claw and the plug connector.
Preferably, the spring claw comprises a spring arm section extending from the extension section to a direction far away from the second connecting plate, and a force application section formed from the spring arm section to a direction far away from the extension section and protruding towards the other spring plate. The number of the spring claws is half of that of the spring claws, and the force application section of each spring claw is abutted with two spring claws.
Through adopting above-mentioned technical scheme, set up every spring claw and apply effort to two spring claw butt for only need a small amount of spring claw just can satisfy the requirement, and need not process narrow thin spring claw, reduced machining precision and degree of difficulty.
Preferably, the copper bar comprises a riveting part and a mounting part, wherein a mounting hole is formed in the center of the mounting part, and chamfers are formed on two sides of one end, far away from the riveting part, of the mounting part.
Preferably, the riveting part is formed with four riveting holes, wherein two riveting holes are positioned at positions of two sides close to the mounting part, and the other two riveting holes are positioned at positions of the middle part far away from the mounting part; four first through holes are formed in the reed corresponding to the riveting holes, and four second through holes are formed in the reed corresponding to the riveting holes.
Another object of the present application is to provide a method for processing a reed of a heavy current plug spring, which adopts the following technical scheme:
a reed processing method of a high-current plug spring is characterized by comprising the following steps:
s1, acquiring a substrate with a required size;
s2, processing the substrate to form an outward expansion section, a spring arm section, an arc section, a guide section and a contact;
s3, cutting a plurality of cuts with the width of 0.1mm-0.6mm by a wire to form the spring claw.
Through adopting above-mentioned technical scheme, the mode through wire-electrode cutting processes the spring claw for adjacent spring claw interval can accomplish 0.1mm-0.6mm, increases substantially the density of arranging of spring claw, makes the plug spring that adopts this spring claw can bear bigger electric current under the same size. Simultaneously, the outer expansion section, the spring arm section, the arc section, the guide section and the contact are firstly formed in a machining mode, the die can be simplified in a rear linear cutting mode, and a die structure is not required to be arranged on the stamping die in a matched mode.
Preferably, the order of steps S2 and S3 may be interchanged.
By adopting the technical scheme, the mode of wire cutting and then stamping forming can adjust errors generated after wire cutting, and the consistency among the plurality of spring claws is controlled.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the spring claws are cut in a linear cutting mode, the distance between every two adjacent spring claws is only 0.1-0.6 mm, the arrangement density of the spring claws is greatly increased, more spring claws can be arranged under the same size, and the plug springs can bear larger current.
Drawings
FIG. 1 is a schematic structural view of an embodiment;
fig. 2 is an exploded schematic view of an embodiment.
Reference numerals illustrate: 1. a copper bar; 2. a reed; 3. a spring plate; 4. a caulking part; 5. a mounting part; 6. a mounting hole; 7. riveting holes; 8. a first connection plate; 9. a contact; 10. a first through hole; 11. an outer expansion section; 12. a spring arm section; 13. an arc section; 14. a guide section; 15. a contact; 16. a second connecting plate; 17. an extension plate; 18. a spring claw; 19. a second through hole; 20. a spring arm section; 21. and a force application section.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a high-current plug spring and a reed processing method thereof.
As shown in fig. 1, the heavy current plug spring comprises a copper bar 1, reeds 2 arranged on two sides of the copper bar 1, and a spring sheet 3 positioned on one side of the reed 2 opposite to the copper bar 1, wherein the copper bar 1, the reeds 2 and the spring sheet 3 are fixed through riveting.
As shown in fig. 1 and 2, the copper bar 1 includes a rivet portion 4 and a mounting portion 5, and an included angle of ninety degrees is formed between the rivet portion 4 and the mounting portion 5. The center of the mounting part 5 is provided with a mounting hole 6, and both sides of one end of the mounting part 5 far away from the riveting part 4 are provided with chamfers. The rivet portion 4 is formed with four rivet holes 7, wherein two rivet holes 7 are located at positions of both sides close to the mounting portion 5, and the other two rivet holes 7 are located at positions of the middle portion away from the mounting portion 5.
As shown in fig. 1 and 2, the two side reeds 2 are symmetrically arranged, and each of the reeds 2 includes a first connection plate 8 fitted with the caulking portion 4, and a contact piece 9 extending from the first connection plate 8 in a direction away from the caulking portion 4. Four first through holes 10 are provided on the first connection plate 8 at positions corresponding to the rivet holes 7 so that rivets pass through the first connection plate 8 at the time of riveting. The contact piece 9 includes an outward expansion section 11 inclined from the connection with the first connection plate 8 in a direction away from the other reed 2, a spring arm section 12 approaching from the outward expansion section 11 toward the other reed 2 away from the first connection plate 8, an arc section 13 formed from the spring arm section 12 toward the outward expansion section 11 and protruding toward the other reed 2, and a guide section 14 inclined from the arc section 13 toward the spring arm section 12 toward the other reed 2. The contact 9 is cut from the spring arm section 12 to the guide section 14 by linear cutting to form a plurality of spring claws with the spacing of 0.1mm-0.6mm, the width of each spring claw is twice the thickness of the spring claw, each spring claw is provided with a respective spring arm section 12, an arc-shaped section 13 and a guide section 14, and a contact 15 protruding towards the direction of the other spring leaf 2 is punched at the position of the arc-shaped section 13 of each spring claw.
As shown in fig. 1 and 2, the two side spring plates 3 are symmetrically arranged, and each spring plate 3 includes a second connecting plate 16 cooperating with the rivet portion 4, an extension plate 17 extending from the second connecting plate 16 in a direction away from the rivet portion 4 and away from the other spring plate 3, and a plurality of spring claws 18 connected to the extension plate 17 and extending in a direction away from the second connecting plate 16. Four second through holes 19 are provided in the second connection plate 16 at positions corresponding to the rivet holes 7. The spring claws 18 each include a spring arm section 20 extending from the extension section in a direction away from the second connecting plate 16, and a force application section 21 protruding from the spring arm section 20 in a direction away from the extension section and protruding toward the other spring plate 3. The number of the spring claws 18 is half of that of the spring claws, and the force application section 21 of each spring claw 18 is abutted against the joint of the spring arm sections 12 and the arc sections 13 of the two spring claws and applies pressure to the spring claws.
A reed processing method of a high-current plug spring comprises the following steps:
s1, acquiring a substrate with a required size;
the base plate with the size of the design requirement is obtained through blanking or other processing modes so as to meet the requirement of the next processing.
S2, processing the substrate to form an outer expansion section 11, a spring arm section 12, an arc section 13, a guide section 14 and a contact 15;
the flared section 11, spring arm section 12, arcuate section 13, guide section 14 and contacts 15 are stamped or otherwise machined into the substrate.
S3, wire cutting to form
The spring fingers are formed by wire cutting a plurality of cuts having a width of 0.1mm to 0.6 mm.
Wherein step S2 and step S3 may be interchanged.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (9)
1. The utility model provides a heavy current plug spring, its characterized in that includes copper bar (1), sets up reed (2) in copper bar (1) both sides, is located reed (2) shell fragment (3) of copper bar (1) one side dorsad, reed (2) are including connecting plate and contact (9) that are used for linking to each other with copper bar (1), and contact (9) are through wire cutting segmentation forming a plurality of intervals 0.1mm-0.6 mm's spring claw.
2. Heavy current plug spring according to claim 1, characterized in that the contact piece (9) comprises an outward expansion section (11) inclined away from the other leaf spring (2) when extending outwards from the connection with the first connection plate (8), a spring arm section (12) approaching the other leaf spring (2) from the outward expansion section (11) towards the direction away from the first connection plate (8), an arc section (13) formed from the spring arm section (12) towards the direction away from the outward expansion section (11) and a guiding section (14) inclined away from the spring arm section (12) towards the direction away from the other leaf spring (2).
3. Heavy current plug spring according to claim 2, characterized in that the spring fingers are formed by cutting the contact piece (9) from the spring arm section (12) to the guide section (14), and that the arc-shaped section (13) of each spring finger is formed with a contact (15) protruding in the direction of the other spring blade (2).
4. The heavy-current plug spring according to claim 1, wherein the spring pieces (3) each comprise a second connecting plate (16) matched with the riveting part (4), an extension plate (17) extending from the second connecting plate (16) to a direction away from the riveting part (4) and away from the other spring piece (3), and a plurality of spring claws (18) connected to the extension plate (17) and extending to a direction away from the second connecting plate (16), and the spring claws (18) are abutted with the spring claws and apply a force to the spring claws.
5. The heavy-current plug spring according to claim 4, wherein the spring claw (18) comprises a spring arm section (20) extending from the extension section to a direction away from the second connecting plate (16), and a force application section (21) formed from the spring arm section (20) to a direction away from the extension section and protruding toward the other spring sheet (3). The number of the elastic claws (18) is half of that of the spring claws, and the force application section (21) of each elastic claw (18) is abutted with two spring claws.
6. The heavy-current plug spring according to claim 1, wherein the copper bar (1) comprises a riveting part (4) and a mounting part (5), a mounting hole (6) is formed in the center of the mounting part (5), and chamfers are formed on two sides of one end, far away from the riveting part (4), of the mounting part (5).
7. Heavy current plug spring according to claim 1, characterized in that the rivet section (4) is formed with four rivet holes (7), of which two rivet holes (7) are located on both sides close to the mounting section (5), and the other two rivet holes (7) are located in the middle away from the mounting section (5); four first through holes (10) are formed in the reed (2) corresponding to the riveting holes (7), and four second through holes (19) are formed in the reed (3) corresponding to the riveting holes (7).
8. A reed processing method of a high-current plug spring is characterized by comprising the following steps:
s1, acquiring a substrate with a required size;
s2, processing the substrate to form an outward expansion section (11), a spring arm section (12), an arc section (13), a guide section (14) and a contact (15);
s3, cutting a plurality of cuts with the width of 0.1mm-0.6mm by a wire to form the spring claw.
9. The method of manufacturing a reed of a high current plug spring according to claim 8, wherein the order of the steps S2 and S3 can be interchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311390680.8A CN117691387A (en) | 2023-10-23 | 2023-10-23 | Heavy-current plug spring and reed processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311390680.8A CN117691387A (en) | 2023-10-23 | 2023-10-23 | Heavy-current plug spring and reed processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117691387A true CN117691387A (en) | 2024-03-12 |
Family
ID=90137874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311390680.8A Pending CN117691387A (en) | 2023-10-23 | 2023-10-23 | Heavy-current plug spring and reed processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117691387A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013211058B3 (en) * | 2013-06-13 | 2014-10-23 | Lisa Dräxlmaier GmbH | Current contact pliers for a four-wire measurement in the range of high voltage and high current |
| CN111564720A (en) * | 2020-05-20 | 2020-08-21 | 中航光电科技股份有限公司 | Double-reed type jack structure and connector |
| CN113530492A (en) * | 2020-04-22 | 2021-10-22 | 中国石油天然气股份有限公司 | Differential pressure sliding sleeve |
| CN217823342U (en) * | 2022-06-23 | 2022-11-15 | 四川瑞可达连接系统有限公司 | Large-current slot assembly |
| US20230386432A1 (en) * | 2022-06-13 | 2023-11-30 | Kuiliang Li | Harmonica reed plate and harmonica |
-
2023
- 2023-10-23 CN CN202311390680.8A patent/CN117691387A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013211058B3 (en) * | 2013-06-13 | 2014-10-23 | Lisa Dräxlmaier GmbH | Current contact pliers for a four-wire measurement in the range of high voltage and high current |
| CN113530492A (en) * | 2020-04-22 | 2021-10-22 | 中国石油天然气股份有限公司 | Differential pressure sliding sleeve |
| CN111564720A (en) * | 2020-05-20 | 2020-08-21 | 中航光电科技股份有限公司 | Double-reed type jack structure and connector |
| US20230386432A1 (en) * | 2022-06-13 | 2023-11-30 | Kuiliang Li | Harmonica reed plate and harmonica |
| CN217823342U (en) * | 2022-06-23 | 2022-11-15 | 四川瑞可达连接系统有限公司 | Large-current slot assembly |
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