CN216871880U - Universal circuit breaker handle structure - Google Patents

Abstract

The utility model discloses a universal breaker handle structure, which comprises a transmission rotating shaft and an energy storage handle, wherein the transmission rotating shaft is arranged on one side wall of an operating mechanism in a penetrating way, the energy storage handle is rotatably sleeved on the transmission rotating shaft, a clutch structure which is in linkage fit in a single direction is arranged between the energy storage handle and the transmission rotating shaft, a coil spring structure is arranged on one side wall of the operating mechanism, one end of the coil spring structure is extended and connected to the circumferential outer wall of the energy storage handle, the technical scheme adopts the coil spring structure to replace the traditional torsion spring structure mode, when the handle rotates in the positive direction to perform energy storage operation, the coil spring structure is stretched and bent by the handle to generate elastic deformation, and provides elastic force for reverse rotation of the handle, so as to realize quick return of the handle, the operation is labor-saving and simple, the coil spring structure is arranged between the operating mechanism and the circumferential outer wall of the operating handle, the installation and the use are more convenient, and the setting cost is reduced, the reliability and the stability of universal circuit breaker handle structure use are promoted.

Description

Universal circuit breaker handle structure

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to a universal circuit breaker handle structure.

Background

The universal circuit breaker realizes the opening and closing of a product through an operating mechanism. When the universal circuit breaker is used for manually storing energy, an energy storage handle is rotated by using external force, and a rotating shaft is driven to rotate by a pawl on the energy storage handle and a ratchet wheel on an operating mechanism, so that an energy storage spring of the operating mechanism is compressed, and manual energy storage is completed; or the universal circuit breaker drives the operating mechanism rotating shaft to rotate through the motor to realize electric energy storage.

The universal circuit breakers are provided with a manual energy storage handle, the energy storage handle rotates to drive an operating mechanism to compress an energy storage spring so as to realize manual energy storage, a ratchet wheel returns to an initial position after the operating mechanism releases energy, at this moment, the energy storage handle is loosened and then reset movement is realized through the reset torsion spring, referring to the energy storage handle of the circuit breaker shown in fig. 7, the energy storage handle 01 is rotatably arranged beside the outer wall of one side of the operating mechanism 02, the operating mechanism comprises a rotating shaft 03 extending out of the side wall of one side of the operating mechanism, a circular boss penetrating through the rotating shaft is arranged on the circular side face of the energy storage handle, the reset torsion spring 05 is sleeved at the circular boss, a positioning pin 04 is arranged on the outer wall of one side of the operating mechanism, a positioning block is formed on the circular side face of the energy storage handle, two end pins of the reset torsion spring 05 extend and abut against the positioning block and the positioning pin, and the energy storage handle can realize return rotation by means of the acting force of the reset torsion spring.

The energy storage handle adopts a torsion spring mode to realize return, but still has the following problems in actual use: one end pin of the torsion spring is abutted against the positioning pin, and is repeatedly extruded and rapidly restored to deform in the frequent operation process of the handle, so that the end pin of the torsion spring is easily separated from the positioning pin, the handle cannot automatically return, the structural stability is poor, and the manual energy storage closing failure of the circuit breaker is caused; the torsion spring is arranged on the side face of the handle and is shielded by other parts of the mechanism, the torsion spring part can be exposed only after the handle and a plurality of parts on the mechanism are disassembled, and the installation and the maintenance are inconvenient.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the problems that the energy storage handle in the prior art adopts a torsion spring mode to realize return, the installation and maintenance of the torsion spring are inconvenient, and the end pin of the torsion spring is easy to fall off from the positioning pin in frequent use, so that the handle cannot automatically return.

In order to solve the above problems, the present invention provides a universal circuit breaker handle structure, comprising:

the operating mechanism is provided with a transmission rotating shaft which extends out of the side wall of one side of the operating mechanism;

the energy storage handle is rotatably sleeved on the transmission rotating shaft, a clutch structure which enables the energy storage handle and the transmission rotating shaft to form linkage fit in a single direction is arranged between the energy storage handle and the transmission rotating shaft, and the energy storage handle has an energy storage state which forms linkage fit with the transmission rotating shaft when rotating in a forward direction and a return state which releases linkage fit with the transmission rotating shaft when rotating in a reverse direction;

the coil spring structure is positioned on the side wall of one side of the operating mechanism, one end of the coil spring structure is connected to the outer wall of the circumference of the energy storage handle in an extending mode along the rotating direction of the energy storage handle, the coil spring structure is stretched and bent to generate elastic deformation when the energy storage handle rotates in the positive direction, and the energy storage handle is applied with elastic force which rotates in the reverse direction so as to drive the energy storage handle to switch to a return state from an energy storage state after external force is removed.

Preferably, the coil spring structure is disposed near the end of travel of the stored energy handle to which reverse rotation of the stored energy handle is to be effected.

Preferably, the other end of the coil spring structure is arranged on the positioning shaft in a winding mode and is detachably mounted on one side wall of the operating mechanism through the positioning shaft.

As a preferable scheme, the energy storage handle comprises a rotating disc connected with the transmission rotating shaft and an operating part formed on the peripheral side wall of the rotating disc, the rotating disc comprises an upper arc wall and a lower arc wall which are respectively arranged on two sides of the operating part, and one end of the coil spring structure is connected in the upper arc wall along the bending extension of the outer wall of the rotating disc.

As a preferred scheme, the coil spring structure is fixedly connected with the rotating disc through a fixing structure, and the fixing structure comprises a positioning clamping groove formed in the upper arc wall and a clamping portion which is bent and formed at one end of the coil spring structure and is matched with and clamped in the positioning clamping groove.

As a preferable scheme, the fixing structure further comprises a fixing hole adjacent to the positioning clamping groove and arranged on the upper arc wall, a connecting hole correspondingly arranged on one end of the coil spring structure, and a fastener penetrating through the connecting hole and fixed in the fixing hole.

As a preferable scheme, the positioning card slot has an insertion hole extending to a side surface of the rotating disk in an axial direction of the rotating disk, and the clamping portion is clamped into the positioning card slot by the insertion hole.

As a preferable scheme, the positioning clamping groove is of an L-shaped groove structure and comprises an inner port formed in the rotating disc and an outer port connected with the inner port and extending to the surface of the upper arc wall, the fixing hole is communicated with the inner port, and the fastener penetrates into the inner port to extrude and fasten the clamping portion.

As a preferred scheme, the clutch structure comprises a ratchet wheel arranged on the transmission rotating shaft in a linkage manner, a driving claw arranged on the inner side surface of the rotating disc and forming abutting fit with the ratchet wheel, and a backstop claw arranged on the side wall of one side of the operating mechanism and matched with the ratchet wheel and abutting against the ratchet wheel, wherein the driving claw is arranged on the energy storage side wall of the operating mechanism and is in energy storage connection with the ratchet wheelThe handle pushes the ratchet wheel and the transmission rotating shaft to rotate in the positive direction when in the energy storage state, and the backstop claw is used for limiting the ratchet wheel to rotate in the reverse direction when the energy storage handle is in the return state; the transmission rotating shaft is provided with a V-shaped key groove, the inner side of the ratchet wheel is correspondingly provided with a V-shaped bulge inserted in the V-shaped key groove, and the matching area of the V-shaped bulge and the V-shaped key groove is 25-50mm²。

As a preferable scheme, the driving claw and the backstop claw are respectively and rotatably arranged on the side wall of the operating mechanism and the inner side surface of the energy storage handle through positioning columns; a first spring for driving the driving claw to rotate towards one side close to the ratchet wheel is arranged between the driving claw and the rotating disc, and a limiting column matched and abutted against the driving claw is further arranged on the rotating disc; and a second spring for driving the stopping claw to rotate towards one side close to the ratchet wheel is arranged between the stopping claw and the side wall of the operating mechanism.

Compared with the prior art, the technical scheme of the utility model has the following advantages:

1. the utility model provides a universal breaker handle structure, which is characterized in that a coil spring structure is arranged on the side wall of one side of an operating mechanism, and is connected to the circumferential outer wall of an energy storage handle in an extending way, the coil spring structure has the characteristic of stretching and extending along with the handle in the rotating process, and can drive the handle to automatically return by virtue of the self elastic force when the handle withdraws external force. The installation and maintenance operation to the spring structure of coiling are all comparatively convenient, reduce the cost of setting up, promote reliability and stability that universal circuit breaker handle structure used.

2. In the handle structure of the universal circuit breaker provided by the utility model, the coil spring structure is arranged close to the stroke end point reached by the reverse rotation of the energy storage handle, so that the stretching length of the coil spring structure is longest when the energy storage handle rotates in the forward direction, and simultaneously, the elastic deformation energy storage is larger, and the handle can rotate reversely by virtue of the elastic force of the coil spring structure when external force is removed, so that the energy storage handle is driven to reset to the initial position for starting energy storage, preparation is made for the next energy storage operation, and the manual energy storage switching-on process of the energy storage handle is ensured.

3. The utility model provides a handle structure of a universal circuit breaker, wherein one end of a coil spring structure is arranged on a positioning shaft in a winding manner and is fixed on the side wall of an operating mechanism through the positioning shaft, the coil spring structure is positioned and installed on the operating mechanism, and then the other end of the coil spring structure is fixedly connected in an upper arc wall.

4. The universal circuit breaker handle structure provided by the utility model is characterized in that the positioning clamping groove and the fixing hole are arranged on the upper arc wall of the rotating disc, and the clamping part is formed at the other end of the coil spring structure.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of a handle structure of a universal circuit breaker according to the present invention;

FIG. 2 is a schematic structural view of the handle structure of the universal circuit breaker in another direction;

FIG. 3 is a schematic view of the mounting structure of the coil spring structure of the present invention;

FIG. 4 is a schematic diagram of a partially enlarged structure of a positioning card slot of the present invention;

FIG. 5 is a schematic view of the stored energy handle of the present invention;

FIG. 6 is a schematic structural view of a clutch structure on the energy storage handle according to the present invention;

FIG. 7 is a schematic view of a mounting structure of a charging handle of the prior art;

description of reference numerals: 1. an operating mechanism; 2. an energy storage handle; 21. rotating the disc; 22. an operation section; 23. an upper arc wall; 24. a lower arc wall; 3. a coil spring structure; 31. a clamping part; 32. connecting holes; 4. positioning the shaft; 5. positioning the clamping groove; 51. an insertion opening; 52. an inner port; 53. an outer port; 6. a fixing hole; 7. a clutch structure; 71. a ratchet wheel; 711. a V-shaped protrusion; 72. a driving pawl; 73. a backstop claw; 74. a first spring; 75. a second spring; 76. a limiting post; 8. and a transmission rotating shaft.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first", "second", and "third" 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 should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Example 1

The present embodiment is described in detail below with reference to the accompanying drawings:

the present embodiment provides a handle structure of a conventional circuit breaker as shown in fig. 1 to 6, comprising:

the operating mechanism 1 is provided with a transmission rotating shaft 8 which extends out of one side wall of the operating mechanism;

the energy storage handle 2 is rotatably sleeved on the transmission rotating shaft 8, a clutch structure 7 which enables the energy storage handle 2 and the transmission rotating shaft 8 to form linkage fit in a single direction is arranged between the energy storage handle 2 and the transmission rotating shaft 8, and the energy storage handle 2 has an energy storage state which forms linkage fit with the transmission rotating shaft 8 when rotating in a forward direction and a return state which is released from linkage fit with the transmission rotating shaft 8 when rotating in a reverse direction;

the coil spring structure 3 is positioned on the side wall of one side of the operating mechanism 1, one end of the coil spring structure extends along the rotating direction of the energy storage handle 2 and is connected to the outer wall of the circumference of the energy storage handle 2, the coil spring structure 3 is stretched and bent to generate elastic deformation when the energy storage handle 2 rotates in the positive direction, and applies elastic force which is in reverse rotation to the energy storage handle 2 so as to drive the energy storage handle 2 to be switched to a return state from an energy storage state after external force is removed.

In the above embodiment, the coil spring structure 3 has the characteristic of telescopic extension in the process of rotating along with the handle, and can drive the handle to automatically return by virtue of the self elastic force when the handle cancels the external force, the technical scheme design is adopted, the traditional torsion spring structure mode is replaced by the coil spring structure 3, the structure is simple, the installation and the use are convenient, when the handle rotates forwards for energy storage operation, the coil spring structure 3 is stretched and bent by the handle to generate elastic deformation, and the elastic force for reverse rotation is provided for the handle, so as to realize the quick return of the handle, the operation is labor-saving and simple, and the coil spring structure 3 is arranged on the side wall of the operating mechanism 1 and is exposed outside the handle, the connection can be realized by extending and connecting one end of the coil spring structure 3 to the circumferential outer wall of the handle, the installation and the maintenance operation of the coil spring structure 3 are convenient, and the setting cost is reduced, the reliability and the stability of universal circuit breaker handle structure use are promoted.

As a preferred embodiment, the coil spring structure 3 is arranged near the stroke end point reached by the reverse rotation of the energy storage handle 2, so that the length of the extension of the coil spring structure 3 reaches the longest length when the energy storage handle 2 rotates in the forward direction, and meanwhile, the elastic deformation energy storage is larger, so that the handle can rotate reversely by means of the elastic force of the coil spring structure 3 when the external force is removed, thereby driving the energy storage handle 2 to return to the initial position where energy storage starts, preparing for the next energy storage operation, and ensuring the manual energy storage switching-on process of the energy storage handle 2. It should be noted that the forward rotation and the reverse rotation referred to herein mean that the two rotation directions of a certain component are different, and do not represent the actual rotation direction, for example, the forward rotation of the charging handle 2 is counterclockwise, and the reverse rotation of the charging handle 2 is clockwise.

The specific arrangement of the coil spring structure 3 is described in detail below with reference to fig. 1-5:

the other end of the coil spring structure 3 is arranged on the positioning shaft 4 in a winding mode, and is detachably mounted on one side wall of the operating mechanism 1 through the positioning shaft 4, so that the coil spring structure 3 can be positioned and mounted on the operating mechanism 1, the energy storage handle 2 comprises a rotating disc 21 connected with the transmission rotating shaft 8 and an operating part 22 integrally formed on the peripheral side wall of the rotating disc 21, the rotating disc 21 comprises an upper arc wall 23 and a lower arc wall 24 which are respectively arranged on two sides of the operating part 22, one end of the coil spring structure 3 is bent and extends along the outer wall of the rotating disc 21 and is fixed in the upper arc wall 23, the other end of the coil spring structure 3 is fixed on the side wall of the operating mechanism 1 through the positioning shaft 4, then one end of the coil spring structure 3 is fixedly connected in the upper arc wall 23, and the upper arc wall 23 of the rotating disc 21 is driven to move towards the side far away from the positioning shaft 4 when the energy storage handle 2 rotates forwards, the upper arc wall 23 serves as a force application point for the coil spring structure 3 to drive the energy storage handle 2 to rotate in a return mode, so that the coil spring structure 3 is stretched and bent for a certain length and is attached to the upper arc wall, the coil spring structure 3 is in an energy storage state, the stress direction of the coil spring structure is more consistent with the return direction of the energy storage handle 2, and the effect that the coil spring structure 3 drives the energy storage handle 2 to return automatically is achieved.

As shown in fig. 3-5, the coil spring structure 3 is fixedly connected to the rotating disc 21 through a fixing structure, the fixing structure includes a positioning slot 5 disposed on the upper arc wall 23, and a clamping portion 31 bent and formed at one end of the coil spring structure 3 and cooperatively clamped in the positioning slot 5, such that the fixing structure is designed to connect one end of the coil spring structure 3 to the upper arc wall 23 in a clamping manner, so as to achieve elastic connection between the energy storage handle 2 and the coil spring structure 3, in order to further improve the reliability and stability of connection between the energy storage handle 2 and the coil spring structure 3, the fixing structure further includes a fixing hole 6 disposed on the upper arc wall 23 adjacent to the positioning slot 5, a connecting hole 32 correspondingly disposed on the other end of the coil spring structure 3, and a fastener passing through the connecting hole 32 and fixed in the fixing hole 6, the shown fastener can preferably be screw or pin etc., this kind of structure setting, when installation, as long as go into the other end of coil spring structure 3 in the positioning channel section 5 of last circular arc wall 23 through joint portion 31 card, then the rethread fastener passes coil spring structure 3's the other end and fixes to the fixed orifices 6 of last circular arc wall 23, realize the fixed connection between coil spring structure 3 and the last circular arc wall 23, in order to prevent that coil spring structure 3 from taking place to drop the separation from the circumference outer wall of energy storage handle 2, moreover, the steam generator is simple in structure, it is comparatively convenient to install, and the assembly efficiency is improved.

As a concrete structure setting, locator card groove 5 is L shape groove structure, joint portion 31 correspondence is the L shape, locator card groove 5 has the axial extension along rotating disc 21 and extends to the inserted hole 51 of rotating disc 21 side, joint portion 31 by inserted hole 51 card is gone into extremely in locator card groove 5, the setting is favorable to the joint portion 31 of L shape to directly block to the locator card groove 5 of L shape from the inserted hole 51 of rotating disc 21 side like this, and it is comparatively light convenient to install. As shown in fig. 6, the positioning slot 5 includes an inner port 52 formed in the rotary disk 21, and an outer port 53 connected to the inner port 52 and extending to the surface of the upper arc wall 23, the fixing hole 6 is communicated with the inner port 52, the fastener penetrates into the inner port 52 to press and fasten the clamping portion 31, so that the clamping portion 31 is reliably fixed in the positioning slot 5, the clamping portion 31 is prevented from being loosened from the positioning slot 5 in the stretching process of the coil spring structure 3, and the positioning slot is reliable in matching and fixing and good in installation stability.

The following detailed description of the arrangement of the clutch mechanism 7 is provided with reference to fig. 5 to 6:

the clutch structure 7 comprises a ratchet wheel 71 which is arranged on the transmission rotating shaft 8 in a linkage manner, and a driving claw 72 which is arranged on the inner side surface of the rotating disk 21 and forms abutting fit with the ratchet wheel 71, and a backstop claw 73 which is arranged on one side wall of the operating mechanism 1 and is matched and abutted against the ratchet wheel 71, the driving pawl 72 pushes the ratchet wheel 71 and the transmission rotating shaft 8 to rotate in the positive direction when the energy storage handle 2 is in the energy storage state, the backstop claw 73 is used for limiting the ratchet wheel 71 to rotate reversely when the energy storage handle 2 is in a return state, a V-shaped key groove is arranged on the transmission rotating shaft 8, a V-shaped bulge 711 inserted in the V-shaped key groove is correspondingly arranged on the inner side of the ratchet wheel 71, the matching area of the V-shaped protrusion 711 and the V-shaped key groove is 25-50mm2, and the stress transmission contact surface is large, so that the transmission rotating shaft 8 and the ratchet wheel 71 are in linkage matching. According to the clutch structure, in the process of energy storage and closing of the circuit breaker, the energy storage handle 2 is operated to rotate in the forward direction, the energy storage handle 2 pushes the ratchet wheel 71 to rotate synchronously through the driving claw 72, so that the transmission rotating shaft 8 is driven to rotate in the forward direction, the energy storage spring in the operating mechanism is driven to compress according to the transmission connection of the transmission rotating shaft 8 and the energy storage structure part in the operating mechanism 1, so that manual energy storage is completed, the one-way transmission effect between the energy storage handle 2 and the transmission rotating shaft 8 is realized, the stopping claw 73 slides between tooth grooves of the ratchet wheel 71 when the energy storage handle 2 rotates in the forward direction, and the linkage matching between the energy storage handle 2 and the ratchet wheel 71 is not influenced; and the energy storage handle 2 can store energy again after releasing the external force to return after rotating in place in the forward direction each time, so that the energy storage handle 2 starts to rotate reversely under the action of the coil spring structure 3, the driving pawl 72 slides between tooth grooves of the ratchet wheel 71 under the driving of the energy storage handle, and the linkage fit between the energy storage handle and the ratchet wheel is released, and the ratchet wheel 71 is influenced by the acting force of the energy storage spring due to the connection of the ratchet wheel 71 and the transmission rotating shaft 8, so that the ratchet wheel 71 is resisted by the anti-return pawl 73 to prevent the ratchet wheel from rotating reversely, and the energy storage spring is ensured to keep an energy storage state in the return process of the energy storage handle 2 until the energy storage closing operation of the circuit breaker is completed.

As shown in fig. 6, the driving pawl 72 and the stopping pawl 73 are respectively rotatably disposed on the side wall of the operating mechanism 1 and the inner side surface of the energy storage handle 2 through positioning columns, a first spring 74 for driving the driving pawl 72 to rotate towards the side close to the ratchet wheel 71 is disposed between the driving pawl 72 and the rotating disk 21, a second spring 75 for driving the stopping pawl 73 to rotate towards the side close to the ratchet wheel 71 is disposed between the stopping pawl 73 and the side wall of the operating mechanism 1, and the driving pawl and the stopping pawl are respectively elastically abutted against the ratchet wheel 71 through the first spring 74 and the second spring 75, so that a one-way transmission fit is formed between the energy storage handle 2 and the ratchet wheel 71. In order to limit the installation position of the driving claw 72 on the inner side surface of the energy storage handle 2, so that the driving claw 72 and the ratchet wheel 71 can form accurate connection and matching when the energy storage handle 2 is assembled with the operating mechanism 1, the rotating disc 21 is further provided with a limiting column 76 which is matched and abutted with the driving claw 72, after the driving claw 72 is installed on the inner side surface of the energy storage handle 2, the driving claw 72 can be abutted against the limiting column 76 due to the elastic force of the first spring 74, and therefore the driving claw 72 can be installed on the inner side surface of the energy storage handle 2 in a limiting mode, the assembling is convenient, and the installation efficiency is improved.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications derived therefrom are intended to be within the scope of the utility model.

Claims (10)

1. A universal circuit breaker handle structure, comprising:

the operating mechanism (1) is provided with a transmission rotating shaft (8) which extends out of the side wall of one side of the operating mechanism;

the energy storage handle (2) is rotatably sleeved on the transmission rotating shaft (8), a clutch structure (7) which enables the energy storage handle (2) and the transmission rotating shaft (8) to form linkage fit in a single direction is arranged between the energy storage handle and the transmission rotating shaft (8), and the energy storage handle (2) has an energy storage state which forms linkage fit with the transmission rotating shaft (8) when rotating in the forward direction and a return state which releases linkage fit with the transmission rotating shaft (8) when rotating in the reverse direction;

the coil spring structure (3) is positioned on the side wall of one side of the operating mechanism (1), one end of the coil spring structure is connected to the outer wall of the circumference of the energy storage handle (2) in an extending mode along the rotating direction of the energy storage handle (2), the coil spring structure (3) is stretched and bent to generate elastic deformation when the energy storage handle (2) rotates in the positive direction, and the energy storage handle (2) is applied with elastic force which rotates in the reverse direction so as to drive the energy storage handle (2) to be switched to the return state from the energy storage state after external force is removed.

2. The conventional circuit breaker handle structure of claim 1, wherein: the coil spring structure (3) is arranged close to the stroke end point reached by the reverse rotation of the energy storage handle (2).

3. The conventional circuit breaker handle structure of claim 2, wherein: the other end of the coil spring structure (3) is arranged on the positioning shaft (4) in a winding mode, and is detachably mounted on one side wall of the operating mechanism (1) through the positioning shaft (4).

4. Conventional circuit breaker handle structure according to any of claims 1-3, characterized in that: energy storage handle (2) include with carousel (21) that transmission pivot (8) link to each other and operation portion (22) of shaping at carousel (21) periphery lateral wall, carousel (21) are including dividing to be established last arc wall (23) and lower arc wall (24) of operation portion (22) both sides, the one end of coil spring structure (3) is followed the crooked extension of outer wall of carousel (21) is fixed go up arc wall (23).

5. The conventional circuit breaker handle structure according to claim 4, wherein: the spring coiling structure (3) is fixedly connected with the rotating disc (21) through a fixing structure, and the fixing structure comprises a positioning clamping groove (5) formed in the upper arc wall (23) and a clamping portion (31) which is formed by bending and is arranged at one end of the spring coiling structure (3) and is clamped in the positioning clamping groove (5) in a matched mode.

6. The conventional circuit breaker handle structure of claim 5, wherein: the fixing structure further comprises a fixing hole (6) adjacent to the positioning clamping groove (5) and arranged on the upper arc wall (23), a connecting hole (32) correspondingly arranged at one end of the coil spring structure (3), and a fastener penetrating through the connecting hole (32) and fixed in the fixing hole (6).

7. The conventional circuit breaker handle structure of claim 6, wherein: positioning channel groove (5) have along the axial extension of rotating disc (21) extend to inserted hole (51) of rotating disc (21) side, joint portion (31) by inserted hole (51) are gone into extremely in positioning channel groove (5).

8. The conventional circuit breaker handle structure of claim 7, wherein: the positioning clamping groove (5) is of an L-shaped groove structure and comprises an inner port (52) formed in the rotating disc (21) and an outer port (53) connected with the inner port (52) and extending to the surface of the upper arc wall (23), the fixing hole (6) is communicated with the inner port (52), and the fastener penetrates into the inner port (52) to be extruded and fastened to the clamping portion (31).

9. Conventional circuit breaker handle structure according to any of claims 5 to 8, characterized in that: the clutch structure (7) comprises a ratchet wheel (71) which is arranged on the transmission rotating shaft (8) in a linkage manner, a driving claw (72) which is arranged on the inner side surface of the rotating disc (21) and forms abutting fit with the ratchet wheel (71), and a stopping claw (73) which is arranged on the side wall of one side of the operating mechanism (1) and is matched and abutted with the ratchet wheel (71), wherein the driving claw (72) pushes the ratchet wheel (71) and the transmission rotating shaft (8) to rotate in the forward direction when the energy storage handle (2) is in an energy storage state, and the stopping claw (73) is used for limiting the reverse rotation of the ratchet wheel (71) when the energy storage handle (2) is in a return state; a V-shaped key groove is formed in the transmission rotating shaft (8), a V-shaped protrusion (711) inserted into the V-shaped key groove is correspondingly arranged on the inner side of the ratchet wheel (71), and the matching area of the V-shaped protrusion and the V-shaped key groove is 25-50mm²。

10. The conventional circuit breaker handle structure of claim 9, wherein: the driving claw (72) and the stopping claw (73) are respectively and rotatably arranged on the side wall of the operating mechanism (1) and the inner side surface of the energy storage handle (2) through positioning columns; a first spring (74) for driving the driving claw (72) to rotate towards one side close to the ratchet wheel (71) is arranged between the driving claw (72) and the rotating disc (21), and a limiting column (76) matched and abutted against the driving claw (72) is further arranged on the rotating disc (21); and a second spring (75) for driving the stopping claw (73) to rotate towards one side close to the ratchet wheel (71) is arranged between the stopping claw (73) and the side wall of the operating mechanism (1).

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