CN202772071U - Energy-storage handle for circuit breaker - Google Patents
Energy-storage handle for circuit breaker Download PDFInfo
- Publication number
- CN202772071U CN202772071U CN 201220376908 CN201220376908U CN202772071U CN 202772071 U CN202772071 U CN 202772071U CN 201220376908 CN201220376908 CN 201220376908 CN 201220376908 U CN201220376908 U CN 201220376908U CN 202772071 U CN202772071 U CN 202772071U
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- CN
- China
- Prior art keywords
- handle
- rotating
- rotating disk
- tension spring
- circuit breaker
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- Expired - Lifetime
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Abstract
Provided is an energy-storage handle for a circuit breaker. The energy-storage handle comprises a rotating disc (1), a handle (2) and a return tension spring (3), and is characterized in that the rotating disc (1) is provided with a rotating-pin mounting hole (101), the rotating disc (1) and the handle (2) are connected via a rotating pin (4) in the rotating-pin mounting hole (101), and the handle (2) is capable of rotating around the rotating disc (1), with the rotating pin (4) as the rotating axis. According to the energy-storage handle for a circuit breaker, due to the connection of the rotating disc and the handle via the rotating pin, when the handle works, the rotating disc and the handle can be rotated by an angle, with the rotating pin as the axis, and then a balanced stress surface is achieved, so that the angle between the handle and the horizontal plane is reduced, and the length of a rotating moment arm is increased. Under the condition that the moment for energy storage of the tension spring is unchanged, the maximum force that is manually applied on the handle is decreased significantly, basically guaranteeing the uniformity of force application during the whole operation process, greatly improving the hand feeling for an operator and reducing the labor intensity.
Description
Technical field
The utility model belongs to the low voltage equipment technical field, specifically just relates to a kind of manual energy storage handle of omnipotent breaker, and this handle adopts the spliced labour intensity that can alleviate the operator, strengthens the fail safe of operation.
Background technology
Circuit breaker is divided into primary cut-out and low-voltage circuit breaker by its scope of application.Low-voltage circuit breaker claims again automatic switch, is commonly called as " air switch " and also refers to low-voltage circuit breaker, and it is a kind of existing hand switch effect, can automatically carry out again decompression, under-voltage, overload and the electrical equipment of short-circuit protection.It can be used to distribute electric energy; do not start continually asynchronous motor; power circuit and motor etc. are carried out protection; can automatic shutdown circuit when serious overload or short circuit and the fault such as under-voltage occur for their; its function is equivalent to the combination of Fuse switch and mistake underheat relay etc.; and behind the disjunction fault current, generally do not need to change parts, obtain a wide range of applications.
Omnipotent breaker has a manual energy storage handle, pass through rotatable handle, drive stored energy mechanism with the energy-stored spring compressed energy-storage, traditional energy accumulation handle is the integral type structure, and is less in energy storage original position and face shield angle, tong and the too large problem of startup operation power can occur, give and manually bring serious inconvenience, the large circuit breaker of rated current particularly, startup operation is larger, is badly in need of a kind of labour-saving energy accumulation handle simple in structure for this reason.
The energy storage of circuit breaker realizes by the compressed energy-storage spring, and energy-stored spring is larger, compress the power that it need use also just larger, and the power that the operator who also means Manual stored energy organization simultaneously is used for imposing on energy accumulation handle is also just larger; Because the inherent limitations of breaker structure, present stored energy mechanism handle is integral type, its rotational angle in advance is smaller when energy storage just begins, and inconvenient staff operates, simultaneously, effective arm of force when initial is shorter, must just can overcome the moment that the energy-stored spring energy storage is put in place with very large operating physical force, not only the operator requires great effort, the palm discontinuity, local pressure is too large, and feel is very bad.
The utility model content
Energy accumulation handle for existing circuit breaker is the integral type structure, angle at energy storage original position and circuit breaker mask is less, make handle its rotational angle when just beginning energy storage also smaller, be unfavorable for operating personnel's the manual operations of carrying out, while integral type handle arrangement, the arm of force of operating physical force was too little when energy storage was initial, and operating personnel must provide larger power just can overcome the resistance of spring, increase operator's labour intensity, reduced production efficiency.The utility model provides a kind of novel breaker energy accumulation handle, it is by making split-type structural with handgrip and rotating disk, increased the length of rotary arm when energy storage is initial, alleviated the power that the operator need to provide, greatly reduce operator's the operating physical force upper limit, can effectively reduce labour intensity.
Technical scheme
In order to solve above-mentioned technical barrier, the utility model designs a kind of circuit breaker energy accumulation handle, comprise rotating disk, handle, reset tension spring, it is characterized in that: the rotating dog installing hole is arranged on the described rotating disk, the rotating dog that rotating disk is connected with handle in the rotating dog installing hole connects, and handle can rotate around rotating disk take rotating dog as rotating shaft.
Have slotted eye at the rotating disk outer circle wall, handle lower end sidewall is positioned at the slotted eye correspondence position and has the installation holddown groove, and reset tension spring one end is fixed on the slotted eye bottom, and the other end is fixed on installs the holddown groove bottom.
Further, can rotate around rotating disk take rotating dog as rotating shaft between described rotating disk and the handle, the angle of rotation is 0～30 °.
Further, the slotted eye that has on the described rotating disk outer circle wall is blind hole at thickness direction, and reset tension spring places in the blind hole.
Further, have the rotating disk through hole on the corresponding rotation dish of slotted eye bottom on the described rotating disk outer circle wall, be fixed with the rotating disk tension spring pin on the through hole, reset tension spring one end is fixed on the rotating disk tension spring pin.
Install on the corresponding handle in holddown groove bottom and have the handle through hole, by being fixed with the handle tension spring pin on the handle through hole, the reset tension spring other end is fixed on the handle tension spring pin.
Beneficial effect
The energy accumulation handle of the utility model circuit breaker, because rotating disk is connected rotating dog with handle and connects, can be angle of axle center rotation around rotating dog between rotating disk and the handle during handle work, rotate the stress surface that reaches balance after the angle, thereby the angle between handle and the horizontal plane is diminished, increase the length of rotary arm, in the constant situation of the used moment of Compress Spring energy storage, the power that staff imposes on handle will reduce greatly, the amplitude that reduces is over half, whole thermal energy storage process is stressed evenly to improve operator's feel, reduces labor intensity.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model
Accompanying drawing 2 is front view of the present utility model.
Accompanying drawing 3 is rearview of the present utility model.
Accompanying drawing 4 is the structural representation of rotating disk in the utility model.
Accompanying drawing 5 is the front view of rotating disk in the utility model.
Accompanying drawing 6 is the right view of rotating disk in the utility model.
Accompanying drawing 7 is the structural representation of handle in the utility model.
Accompanying drawing 8 is the front view of handle in the utility model.
Accompanying drawing 9 is the right view of handle in the utility model.
Figure 10 is working state structure schematic diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
Shown in accompanying drawing 1～9, a kind of circuit breaker energy accumulation handle, comprise rotating disk 1, handle 2, reset tension spring 3, wherein, on the described rotating disk 1 rotating dog installing hole 101 is arranged, rotating disk 1 is connected with handle by rotating dog 4 connections in the rotating dog installing hole 101, handle 2 can be take rotating dog 4 as rotating shaft around rotating disk 1 rotation, and the angle of rotation is 0～30 °.
Have slotted eye 102 at rotating disk 1 outer circle wall, slotted eye 102 is blind hole at thickness direction, and reset tension spring 3 places in the blind hole.
When the beginning stored energy operation, handle 2 is pressed downward, and overcomes the elastic deformation of reset tension spring 3, with respect to being rotated an angle between rotating dog 4 and the rotating disk 1, reaches the work poised state; Handle 2 outer ends are equivalent to its arm of force and lengthen the effect that reaches laborsaving and improve feel with respect to moving outside rotating disk 1 center at this moment.
After stored energy operation was finished, because the operator cancels to the power of handle 2, reset tension spring 3 retracts handle 2 again just stablized the beginning position.
The energy accumulation handle of the utility model circuit breaker, because rotating disk 1 is connected with handle and is connected by rotating dog 4, can be angle of axle center rotation around rotating dog 4 between rotating disk 1 and the handle 2 during handle work, rotate the stress surface that reaches balance after the angle, thereby the angle between handle 1 and the horizontal plane is diminished, increase the length of rotary arm, in the constant situation of the used moment of Compress Spring energy storage, the power that staff imposes on handle will reduce greatly, the amplitude that reduces is over half, improve simultaneously operator's feel, whole thermal energy storage process is stressed evenly, has alleviated labour intensity.
Claims (4)
1. circuit breaker energy accumulation handle, comprise rotating disk (1), handle (2), reset tension spring (3), it is characterized in that: rotating dog installing hole (101) is arranged on the described rotating disk (1), rotating disk (1) is connected 2 with handle) connect by the rotating dog (4) in the rotating dog installing hole (101), handle (2) can rotate around rotating disk (1) take rotating dog (4) as rotating shaft;
Have slotted eye (102) at rotating disk (1) outer circle wall, handle (2) lower end sidewall is positioned at slotted eye (102) correspondence position and has installation holddown groove (201), reset tension spring (3) one ends are fixed on slotted eye (102) bottom, and the other end is fixed on installs holddown groove (201) bottom.
2. a kind of circuit breaker energy accumulation handle as claimed in claim 1 is characterized in that: described rotating disk (1) and rotating around rotating disk (1) take rotating dog (4) as rotating shaft between (2) hand, the angle of rotation is 0～30 °.
3. a kind of circuit breaker energy accumulation handle as claimed in claim 1, it is characterized in that: the slotted eye (102) that has on described rotating disk (1) outer circle wall is blind hole at thickness direction, and reset tension spring (3) places in the blind hole.
4. a kind of circuit breaker energy accumulation handle as claimed in claim 1, it is characterized in that: have rotating disk through hole (102a) on slotted eye (102) the bottom corresponding rotation dish (1) on described rotating disk (1) outer circle wall, be fixed with rotating disk tension spring pin (103) on the rotating disk through hole (102a), reset tension spring (3) one ends are fixed on the rotating disk tension spring pin (103);
Install on holddown groove (201) the corresponding handle in bottom (2) and have handle through hole (201a), by being fixed with handle tension spring pin (202) on the handle through hole (201a), reset tension spring (3) other end is fixed on the handle tension spring pin (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376908 CN202772071U (en) | 2012-07-31 | 2012-07-31 | Energy-storage handle for circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220376908 CN202772071U (en) | 2012-07-31 | 2012-07-31 | Energy-storage handle for circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202772071U true CN202772071U (en) | 2013-03-06 |
Family
ID=47778624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220376908 Expired - Lifetime CN202772071U (en) | 2012-07-31 | 2012-07-31 | Energy-storage handle for circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202772071U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810435A (en) * | 2012-07-31 | 2012-12-05 | 上海良信电器股份有限公司 | Energy storing handle for breaker |
-
2012
- 2012-07-31 CN CN 201220376908 patent/CN202772071U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810435A (en) * | 2012-07-31 | 2012-12-05 | 上海良信电器股份有限公司 | Energy storing handle for breaker |
| CN102810435B (en) * | 2012-07-31 | 2015-05-13 | 上海良信电器股份有限公司 | Energy storing handle for breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130306 |