CN212277130U - Adjustable opening spring mechanism for circuit breaker - Google Patents
Adjustable opening spring mechanism for circuit breaker Download PDFInfo
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- CN212277130U CN212277130U CN202021680299.7U CN202021680299U CN212277130U CN 212277130 U CN212277130 U CN 212277130U CN 202021680299 U CN202021680299 U CN 202021680299U CN 212277130 U CN212277130 U CN 212277130U
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- circuit breaker
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Abstract
The utility model discloses an adjustable opening spring mechanism for a circuit breaker, which comprises a circuit breaker case, a crank arm rotationally fixed on the circuit breaker case and an opening spring with two ends respectively connected with one end of the crank arm and the circuit breaker case, wherein the upper end of the opening spring can be rotationally connected with one end of the crank arm, the lower end of the opening spring is fixed on a hanging block, a positioning plate is fixedly arranged on the bottom surface of the circuit breaker case, a lower transmission pin is movably arranged on the positioning plate, and the lower transmission pin is arranged along the direction vertical to the opening spring; and a plurality of adjusting gaskets and long bolts are arranged, and one end of a screw rod of each long bolt sequentially penetrates through the through hole of the lower driving pin and the central holes of the plurality of adjusting gaskets and then is fixedly connected with the hanging block through threads. The utility model can conveniently adjust the stretching amount of the opening spring to adjust the spring force value, thereby adjusting the action speed; and the axial torsion in the motion process of the opening spring can be released through the positioning pin, so that the opening spring keeps linearity, the elastic loss is reduced, and the mechanical life is prolonged.
Description
Technical Field
The utility model belongs to the technical field of circuit breaker equipment, specific saying so relates to an adjustable separating brake spring mechanism for circuit breaker.
Background
The branch floodgate spring of current circuit breaker, it is last, the box at transmission turning arm and circuit breaker is fixed respectively at lower both ends, set up two or more locating holes on the fixed connecting block of lower extreme of branch floodgate spring, select the power value of different locating holes to confirm the branch floodgate spring during through the installation, perhaps come the adjusting force value through the butt joint volume of adjusting branch floodgate spring and link plate, unable continuous linear regulation, the regulation precision is not high and the range is limited, and in case the power value of then being difficult to adjust the branch floodgate spring after the installation, if the power value of branch floodgate spring can't satisfy the user demand, then need tear a lot of parts open, can change, it is very inconvenient to adjust.
Disclosure of Invention
In order to overcome the defects, the utility model provides an adjustable branch brake spring mechanism for circuit breaker, the tensile volume of regulation branch brake spring that can be swift to adjust its power value, and then realize the regulation of the action speed of circuit breaker.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: an adjustable opening spring mechanism for a circuit breaker comprises a circuit breaker case, a connecting lever, an opening spring and a lower transmission pin, wherein the connecting lever is rotationally fixed on the circuit breaker case through a central fulcrum, two ends of the opening spring are respectively connected with one end of the connecting lever and the opening spring on the circuit breaker case, the upper end of the opening spring can be rotationally connected with one end of the connecting lever, the lower end of the opening spring is fixed on a hanging block, a positioning plate is fixedly arranged on the bottom surface of the circuit breaker case, a lower transmission pin is movably arranged on the positioning plate, the lower transmission pin is arranged in a direction vertical to the opening spring, and a through hole which penetrates through the axis direction of the lower transmission pin is arranged; and a plurality of adjusting gaskets and long bolts are additionally arranged, and one end of a screw rod of each long bolt sequentially penetrates through the through hole of the lower transmission pin and the central holes of the plurality of adjusting gaskets and then is fixedly connected with the hanging block through threads.
As a further improvement, the upper end of the opening spring is fixed on the hanging plate, one end of the connecting lever is movably provided with an upper transmission pin perpendicular to the opening spring, and the hanging plate is fixed on the upper transmission pin.
As a further improvement of the utility model, the upper end of the hanging block is provided with a spiral positioning groove, and the lower end of the brake separating spring is clamped in the positioning groove of the hanging block.
As a further improvement, the locating plate is of an L shape and fixed to the bottom surface of the breaker case and the intersection of the two sides.
As a further improvement, the locating plate is U-shaped and fixed on the bottom plate of the breaker case.
As a further improvement of the present invention, the two ends of the lower driving pin are rotatably fixed to the positioning plate and a side surface of the breaker case.
As a further improvement of the present invention, a locking plate is clamped to a side edge of the hexagon head of the long bolt, the other end of the locking plate is fixed to a side surface of the breaker case through a second bolt after being bent, and a second elastic pad and a second flat pad are arranged between the second bolt and the other end of the locking plate; and a first elastic cushion and a first flat cushion are arranged between one end of the locking plate and the lower transmission pin.
The utility model has the advantages that: according to the adjustable opening spring mechanism for the circuit breaker, the hanging block and the plurality of adjusting gaskets are arranged at the lower end of the opening spring, the positioning plate is arranged on the case of the circuit breaker to install the lower positioning pin, and the hanging block and the adjusting gaskets fixedly connected with the lower end of the opening spring are fixed on the lower transmission pin through the long bolt, so that the stretching amount of the opening spring can be conveniently adjusted to adjust the force value of the spring, and further, the action speed is adjusted; and the axial torsion in the motion process of the brake spring can be released through the lower transmission pin, so that the brake separating spring keeps linearity, the elastic loss is reduced, and the mechanical life is prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
fig. 3 is a schematic view of fig. 2 from another view angle.
The following description is made with reference to the accompanying drawings:
1-breaker cabinet; 2-crank arm;
3-brake opening spring; 4-hanging block;
5-positioning plate; 6-lower driving pin;
7-adjusting shim; 8-long bolt;
9-hanging the board; 10-upper drive pin;
11-locking plate; 12-second bolt;
13-first spring washer; 14-first flat pad;
15-second spring washer; 16-second flat pad.
Detailed Description
The following description of the preferred embodiments of the present invention will be made in conjunction with the accompanying drawings.
Referring to fig. 1-3, in order to provide the adjustable opening spring mechanism for the circuit breaker of the present invention, the adjustable opening spring mechanism comprises a circuit breaker case 1, a central fulcrum, a connecting lever 2 rotatably fixed on the circuit breaker case 1, and an opening spring 3 with two ends respectively connected to one end of the connecting lever 2 and the circuit breaker case 1, wherein the upper end of the opening spring is rotatably connected with one end of the connecting lever 2, the lower end of the opening spring is fixed on a hanging block 4, a positioning plate 5 is fixedly arranged on the bottom surface of the circuit breaker case 1, a lower transmission pin 6 is movably arranged on the positioning plate, the lower transmission pin is arranged along the direction perpendicular to the opening spring, and a through hole crossing the axial direction of the lower transmission pin is arranged on the lower transmission pin; and a plurality of adjusting gaskets 7 and long bolts 8 are additionally arranged, and one ends of screws of the long bolts 8 sequentially penetrate through holes of the lower driving pin 6 and central holes of the adjusting gaskets 7 and then are fixedly connected with the hanging blocks 4 through threads. When the tensile volume of branch floodgate spring is adjusted to needs, only need to dismantle stay bolt 8, then increase or reduce the adjusting shim 7 of certain quantity as required, pass stay bolt 8 again down driving pin and adjusting shim with hanger block 4 fixed connection can, all parts need not to dismantle, can realize the regulation of branch floodgate spring power value, thereby can realize the regulation of circuit breaker action speed, it is very convenient, the maneuverability of using has been improved greatly, and the power value regulating performance of branch floodgate spring has been expanded. Meanwhile, the lower transmission pin is movably arranged, the upper end of the opening spring is taken as the center of a circle along with the rotating fulcrum of the crank arm, and when the opening spring reciprocates on a section of short arc line, the lower transmission pin can release the axial torsion in the movement process of the opening spring, so that the opening spring keeps linearity, the elastic loss is reduced, and the mechanical life is prolonged.
The upper end of the brake separating spring is fixed on a hanging plate 9, an upper transmission pin 10 perpendicular to the brake separating spring is movably arranged at one end of the connecting lever 2, and the hanging plate is fixed on the upper transmission pin. The upper end of the brake separating spring is fixed on the hanging plate 9, the hanging plate 9 is fixed on the upper transmission pin 10, and the upper transmission pin 10 is rotatably fixed at one end of the crank arm 2, so that the brake separating spring drives the upper transmission pin 10 to rotate through the hanging plate 9 when moving.
The upper end of the hanging block 4 is provided with a spiral positioning groove, and the lower end of the brake separating spring is clamped in the positioning groove of the hanging block. Namely, the lower end part of the opening spring is clamped in the positioning groove to realize the fixation of the opening spring and the hanging block.
The locating plate is L-shaped and fixed at the intersection of the bottom surface and the two side surfaces of the breaker case 1. Namely, the bottom of the L-shaped positioning plate is fixed on the bottom plate of the breaker case, and two ends of the L-shaped positioning plate are respectively fixed on two adjacent side surfaces of the breaker case. Or the positioning plate is U-shaped and is directly fixed on the bottom plate of the breaker case 1.
Two ends of the lower transmission pin 6 are rotationally fixed on the positioning plate and one side surface of the breaker case 1, the hexagonal head side edge of the long bolt 8 is clamped with a locking plate 11, the other end of the locking plate is fixed on the side surface of the breaker case 1 through a second bolt 12 after being bent, and a second elastic pad 15 and a second flat pad 16 are arranged between the second bolt 12 and the other end of the locking plate; a first elastic cushion 13 and a first flat cushion 14 are arranged between one end of the locking plate and the lower driving pin.
The setting of lock plate is dead fixed with the hexagon head card of long bolt, prevents in the use that the bolt that causes owing to the motion of separating brake spring is not hard up to improve the stability of using, ensure the product quality.
Therefore, the adjustable opening spring mechanism for the circuit breaker is characterized in that the lower end of the opening spring is provided with the hanging block and the plurality of adjusting gaskets, the case of the circuit breaker is provided with the positioning plate for installing the lower positioning pin, and the hanging block and the adjusting gaskets which are fixedly connected with the lower end of the opening spring are fixed on the lower transmission pin through the long bolt, so that the stretching amount of the opening spring can be conveniently adjusted to adjust the force value of the spring, and the action speed is adjusted; and the axial torsion in the motion process of the opening spring can be released through the positioning pin, so that the opening spring keeps linearity, the elastic loss is reduced, and the mechanical life is prolonged.
In the previous description, numerous specific details were set forth in order to provide a thorough understanding of the invention. The foregoing description is only illustrative of the preferred embodiments of the invention, which can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. All the contents that do not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical substance of the present invention all still belong to the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides an adjustable separating brake spring mechanism for circuit breaker, is fixed in including circuit breaker machine case (1), center fulcrum rotation connecting lever (2) on circuit breaker machine case (1) to and both ends are connected respectively the one end of connecting lever (2) with separating brake spring (3) on circuit breaker machine case (1), the upper end of separating brake spring with the one end of connecting lever (2) can rotate and connect its characterized in that: the lower end of the opening spring is fixed on the hanging block (4), a positioning plate (5) is fixedly arranged on the bottom surface of the breaker case (1), a lower transmission pin (6) is movably arranged on the positioning plate, the lower transmission pin is arranged along the direction vertical to the opening spring, and a through hole which transversely penetrates through the axis direction of the opening spring is arranged on the lower transmission pin; and a plurality of adjusting gaskets (7) and long bolts (8) are additionally arranged, and one ends of screws of the long bolts (8) sequentially penetrate through the through holes of the lower driving pin (6) and the central holes of the adjusting gaskets (7) and then are fixedly connected with the hanging block (4) through threads.
2. The adjustable trip spring mechanism for a circuit breaker of claim 1, further comprising: the upper end of the brake separating spring is fixed on a hanging plate (9), an upper transmission pin (10) which is perpendicular to the brake separating spring is movably arranged at one end of the connecting lever (2), and the hanging plate is fixed on the upper transmission pin.
3. The adjustable trip spring mechanism for a circuit breaker of claim 1, further comprising: the upper end of the hanging block (4) is provided with a spiral positioning groove, and the lower end of the brake separating spring is clamped in the positioning groove of the hanging block.
4. The adjustable trip spring mechanism for a circuit breaker of claim 1, further comprising: the locating plate is L-shaped and fixed at the intersection of the bottom surface and the two side surfaces of the breaker case (1).
5. The adjustable trip spring mechanism for a circuit breaker of claim 1, further comprising: the positioning plate is U-shaped and fixed on a bottom plate of the breaker case (1).
6. The adjustable tripping spring mechanism for a circuit breaker according to claim 4 or 5, wherein: and two ends of the lower transmission pin (6) are rotationally fixed on the positioning plate and one side surface of the breaker case (1).
7. The adjustable trip spring mechanism for a circuit breaker of claim 1, further comprising: a locking plate (11) is clamped at the side edge of the hexagonal head of the long bolt (8), the other end of the locking plate is fixed on the side surface of the breaker case (1) through a second bolt (12) after being bent, and a second elastic pad (15) and a second flat pad (16) are arranged between the second bolt (12) and the other end of the locking plate; a first elastic cushion (13) and a first flat cushion (14) are arranged between one end of the locking plate and the lower driving pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680299.7U CN212277130U (en) | 2020-08-13 | 2020-08-13 | Adjustable opening spring mechanism for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021680299.7U CN212277130U (en) | 2020-08-13 | 2020-08-13 | Adjustable opening spring mechanism for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212277130U true CN212277130U (en) | 2021-01-01 |
Family
ID=73898881
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021680299.7U Active CN212277130U (en) | 2020-08-13 | 2020-08-13 | Adjustable opening spring mechanism for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212277130U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903631A (en) * | 2021-10-15 | 2022-01-07 | 南京海兴电网技术有限公司 | Strut type outdoor circuit breaker |
| CN114496668A (en) * | 2021-12-20 | 2022-05-13 | 河南平高电气股份有限公司 | Spring operating mechanism and circuit breaker |
-
2020
- 2020-08-13 CN CN202021680299.7U patent/CN212277130U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113903631A (en) * | 2021-10-15 | 2022-01-07 | 南京海兴电网技术有限公司 | Strut type outdoor circuit breaker |
| CN114496668A (en) * | 2021-12-20 | 2022-05-13 | 河南平高电气股份有限公司 | Spring operating mechanism and circuit breaker |
| CN114496668B (en) * | 2021-12-20 | 2024-04-05 | 河南平高电气股份有限公司 | Spring operating mechanism and circuit breaker |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210707 Address after: 215300 room 2, 201 Shipai Dongyue Road, Baicheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Suzhou lambda Electric Co.,Ltd. Address before: 215300 room 2, 201 Shipai Dongyue Road, Baicheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: LAMBDA ELECTRIC TECHNOLOGY (SUZHOU) Co.,Ltd. |