Manual energy storage device of spring operating mechanism

Abstract

The invention provides a manual energy storage device of a spring operating mechanism, and belongs to the field of circuit breakers. The manual energy storage device of the spring operating mechanism comprises a mounting frame body, the mounting frame body is provided with a manual energy storage shaft used for being in transmission fit with an energy storage input shaft of the spring operating mechanism, and a reset elastic piece is arranged between the mounting frame body and the manual energy storage shaft. The manual energy storage device of the spring operating mechanism further comprises a rotary operating piece used for being matched with the manual energy storage shaft in a rotation stopping mode, a rotatable stop sleeve is arranged on the installation frame body, and the stop sleeve and the rotary operating piece are matched through a limiting rotation stopping structure which is used for axial limiting and circumferential rotation stopping. Therefore, the stop sleeve and the rotary operation piece rotate synchronously, and the rotary operation piece is prevented from disengaging in the axial direction. The stop sleeve capable of axially limiting the rotary operation piece is arranged on the supporting seat, an operator does not need to hold the rotary operation piece with hands all the time in the rotary operation process, and operation is convenient and fast.

Description

Technical Field

[0001] The invention belongs to the field of circuit breakers, and in particular relates to a manual energy storage device of a spring operating mechanism. Background Art

[0002] The characteristic of the circuit breaker spring operating mechanism is that the closing spring must be compressed to store energy before closing and opening can be performed. Circuit breakers usually use motors to store energy in the springs. In order to ensure that the circuit breaker still has the ability to close or open in the event of a motor failure, general circuit breakers are also equipped with manual energy storage devices.

[0003] The commonly used manual energy storage method for spring operating mechanisms is to use a manual tool to directly rotate the energy storage shaft to achieve energy storage. This method has the following disadvantages: 1. Due to the structural limitations of the spring operating mechanism, energy storage can only be performed on the motor side, and some mechanisms cannot use manual energy storage due to space limitations; 2. Electric energy storage and manual energy storage share the same energy storage shaft. If the motor malfunctions during manual energy storage, there is a risk of injury.

[0004] The Chinese invention patent with the existing authorization announcement number CN110660624B and the authorization announcement date of October 1, 2021 discloses a spring operating mechanism and its manual energy storage input device. The manual energy storage input device includes: a fixed frame, which is used to be fixed on the rear splint of the spring operating mechanism; a manual energy storage rod, which is installed on the fixed frame, and the manual energy storage rod is for manual operation by the operator; a gear mounting box, which is provided with a gear reversing mechanism inside; the gear reversing mechanism includes an input gear and an output gear, and a transmission matching structure is provided between the input gear and the manual energy storage rod; the output gear is used to be connected to the secondary gear shaft of the spring operating mechanism; the axis of the input gear is perpendicular to the axis of the output gear. A reset spring is also provided between the manual energy storage rod and the fixed frame to release the transmission matching between the transmission rod and the gear shaft of the input gear when the manual energy storage is completed.

[0005] In the above technical solution, since the axes of the input gear and the output gear are perpendicular to each other, the operating end of the manual energy storage rod can be led out from one side of the left and right direction of the rear splint assembled on the movement of the spring operating mechanism, so as to solve the problem that the manual energy storage input device cannot be used when the spring operating mechanism is arranged in a three-phase common box. When the manual energy storage is completed, the transmission rod and the gear shaft of the input gear are released from the transmission, which can prevent the manual energy storage rod from accidentally injuring the operator when the spring operating mechanism releases energy or electric energy storage.

[0006] The disadvantage of the above technical solution is that during the electric energy storage process in the above technical solution, the secondary gear shaft and the gear shaft of the input gear will still idle, which poses a safety hazard. In addition, there is no limit structure on the axial direction of the crank in the above technical solution. The operator rotates the manual energy storage rod through the crank. During this process, the operator needs to hold the crank by hand throughout the whole process to prevent the crank from falling, and also needs to apply pressure along the rotating axis of the crank to form a transmission match between the transmission rod and the gear shaft of the input gear, and at the same time, the crank needs to be rotated, which is extremely inconvenient. Summary of the invention

[0007] The purpose of the present invention is to provide a manual energy storage device of a spring operating mechanism to solve the technical problem in the prior art of inconvenient operation caused by the lack of axial limit on the crank handle.

[0008] To achieve the above object, the technical solution of the manual energy storage device of the spring operating mechanism provided by the present invention is:

[0009] A manual energy storage device of a spring operating mechanism comprises a mounting frame, on which a manual energy storage shaft for transmission cooperation with an input shaft of the spring operating mechanism for energy storage is arranged, a reset elastic member is arranged between the mounting frame and the manual energy storage shaft, and is used to deform under force when the manual energy storage shaft is in transmission cooperation with the input shaft, so as to provide power for resetting the manual energy storage shaft, the manual energy storage device of the spring operating mechanism also comprises a rotating operating member for rotationally cooperating with the manual energy storage shaft, a rotatable stop sleeve is arranged on the mounting frame, and the stop sleeve and the rotating operating member are matched by a limit and rotation-stop structure with axial limitation and circumferential rotation, so that the stop sleeve and the rotating operating member rotate synchronously and the rotating operating member is prevented from falling out in the axial direction.

[0010] The beneficial effect is that the above technical solution is a further improvement of the prior art. In the above technical solution, when the rotary operating member is used to rotate the manual energy storage shaft, a limit rotation structure can be used to limit the axial direction of the rotary operating member to prevent the rotary operating member from falling. The operator does not need to hold the rotary operating member with his hands when rotating the rotary operating member, which is convenient for operation. In addition, after the limit rotation structure limits the axial direction of the rotary operating member, the rotary operating member will maintain the state of pressing the manual energy storage shaft, so that the manual energy storage shaft maintains a transmission connection with the input shaft, and the operator does not need to press the rotary operating member all the time, further improving the convenience of operation.

[0011] As a further improvement, the limit rotation stop structure includes at least one stop protrusion arranged on one of the rotating operating member and the stop sleeve and a stop groove arranged on the other, the stop groove includes an introduction portion and a stop portion perpendicular to each other, wherein the introduction portion extends along the axial direction of the rotating operating member or the stop sleeve and is used to introduce the stop protrusion, and the stop portion extends along the circumferential direction of the rotating operating member or the stop sleeve and is used to form a blocking fit with the stop protrusion.

[0012] The beneficial effect is as follows: in the above technical solution, the stop protrusion can enter the stop groove from the introduction part, and then the rotary operating member is rotated so that the stop protrusion enters the stop part from the introduction part. At this time, due to the pushing action of the reset elastic member, the stop protrusion will abut against the inner wall of the stop part of the stop groove, so that the rotary operating member cannot escape axially. When the operator rotates the rotary operating member in the direction where the stop part is away from the introduction part, the stop protrusion will slide to one end of the stop part away from the introduction part, and form a rotation-stopping fit with the end wall of the stop part. When the rotary operating member is rotated in the opposite direction, the stop protrusion will slide to the introduction part and can escape from the introduction part. The position-limiting and rotation-stopping structure in the above technical solution is simple to operate and convenient for the operator to operate.

[0013] As a further improvement, the stop grooves are located on the stop sleeve and are provided with two of them. The rotating operating member is provided with a stop pin perpendicular to its own axis, and the end of the stop pin protrudes from the surface of the rotating operating member to form a stop protrusion.

[0014] The beneficial effects are: the limit and anti-rotation structure in the above technical solution is easy to process and produce, reduces manufacturing costs, and has symmetrical force and strong stability.

[0015] As a further improvement, there is only one stop pin, and the stop pin passes through the rotating operating member and is fixed to the rotating operating member, and two ends of the stop pin respectively protrude from the surface of the rotating operating member and form a stop protrusion.

[0016] The beneficial effect is that in the above technical solution, only one through hole needs to be processed on the rotating operating member to install the stop protrusion, which further improves the convenience of processing.

[0017] As a further improvement, the mounting frame is provided with a rotating hole for the stop sleeve to pass through and rotate, and one end of the stop sleeve is provided with a stop edge that cooperates with the end surface of one side of the mounting frame. The stop sleeve is also provided with an annular groove, and a retaining ring is installed in the annular groove for cooperating with the end surface of the other side of the mounting frame.

[0018] The beneficial effect is that the above technical solution can facilitate the installation of the stop sleeve.

[0019] As a further improvement, a transmission shaft for transmission and reversing is also provided on the mounting frame, one end of the transmission shaft is used to form a transmission connection with the manual energy storage shaft through a first bevel gear group, and after the manual energy storage shaft moves away from the transmission shaft under the action of the elastic member, the two bevel gears in the first bevel gear group disengage to release the transmission connection between the transmission shaft and the manual energy storage shaft, and the other end of the transmission shaft is used for transmission connection with the input shaft.

[0020] The beneficial effect is that after setting the transmission shaft, the number of transmission reversing times can be increased, making the setting position of the manual energy storage shaft more flexible. For the spring operating mechanism subject to special structural restrictions, the blocking structure of the mechanism to manual operation can be avoided, making it easier for operators to operate.

[0021] As a further improvement, the end of the transmission shaft away from the manual energy storage shaft is used to form a transmission connection with the input shaft through the second bevel gear set. The transmission shaft rotates and guides with the mounting frame. A disengagement elastic member is also provided between the transmission shaft and the mounting frame. The disengagement elastic member is used to deform under force when the second bevel gear set is engaged for transmission so as to apply a reaction force to the transmission shaft in a direction away from the input shaft, thereby making the transmission shaft move away from the input shaft and causing the two bevel gears in the second bevel gear set to disengage when the manual energy storage shaft moves away from the transmission shaft.

[0022] The beneficial effect is as follows: in the above technical solution, during manual operation, the manual energy storage shaft moves in a direction close to the transmission shaft, so that the two bevel gears in the first bevel gear set between the manual energy storage shaft and the transmission shaft are meshed with each other to form a transmission connection; at the same time, since the axes of the driving bevel gear and the driven bevel gear are perpendicular and intersecting, during the movement of the manual energy storage shaft in the direction close to the transmission shaft, the driving bevel gear will squeeze the driven bevel gear, so that the driving bevel gear generates a component force along the axial direction of the transmission shaft on the driven bevel gear, thereby driving the transmission shaft to move along its own axial direction, so that the two bevel gears in the second bevel gear set are meshed. When the manual operation is completed, the manual energy storage shaft moves in a direction away from the transmission shaft, and the transmission shaft loses the thrust force. At this time, the disengagement elastic member will push the transmission shaft to move in a direction away from the input shaft, so that the two bevel gears in the second bevel gear set set between the transmission shaft and the input shaft are disengaged, and the transmission shaft and the input shaft are no longer in transmission connection. The above technical solution can make the transmission shaft and the input shaft no longer in transmission connection after the manual energy storage is completed, thereby avoiding the phenomenon of idling of the transmission shaft during the electric transmission process, and further improving the safety and reliability of the manual energy storage device of the spring operating mechanism. Furthermore, the first bevel gear set can not only play the role of meshing transmission, but also play the role of limiting the transmission shaft.

[0023] As a further improvement, a driven bevel gear is arranged at one end of the transmission shaft close to the manual energy storage shaft, and a one-way bearing is arranged between the driven bevel gear and the transmission shaft.

[0024] The beneficial effect is that the one-way bearing can prevent the transmission shaft from reversing, thereby further improving the safety and reliability of the manual energy storage device of the spring operating mechanism.

[0025] As a further improvement, an energy storage motor is arranged on the mounting frame, and the output shaft of the energy storage motor is transmission-connected with an electric bevel gear for transmission connection with the input shaft, so that the output shaft of the motor is parallel to the manual energy storage shaft.

[0026] The beneficial effect is: since energy storage motors are used for energy storage in most cases, the above technical solution can reduce the loss of torque during the transmission process, and is convenient for arranging the energy storage motor and the manual energy storage shaft according to actual conditions, thus saving space.

[0027] As a further improvement, the mounting frame is provided with an energy storage motor which is transmission-connected to the input shaft, and the mounting frame is provided with a manual electric interlocking device for shutting off the power supply of the energy storage motor after being triggered. The manual electric interlocking device is arranged between the manual energy storage shaft and the stop sleeve so that the rotating operating part can trigger the manual electric interlocking device after the rotating operating part is installed in place.

[0028] The beneficial effect is that the above technical solution can ensure that the energy storage motor is in an absolutely closed state during the manual energy storage process, avoiding malfunction and further improving the safety and reliability of the manual energy storage device of the spring operating mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 It is a schematic diagram of the overall structure of Embodiment 1 of the manual energy storage device of the spring operating mechanism in the present invention;

[0030] Figure 2 It is a structural schematic diagram of the transmission shaft of the manual energy storage device embodiment 1 of the spring operating mechanism of the present invention;

[0031] Figure 3 It is a structural schematic diagram of a manual energy storage shaft of a manual energy storage device embodiment 1 of a spring operating mechanism in the present invention;

[0032] Figure 4 It is a structural schematic diagram of a stop sleeve of a manual energy storage device embodiment 1 of a spring operating mechanism in the present invention;

[0033] Figure 5 It is a structural schematic diagram of a crank of a manual energy storage device embodiment 1 of a spring operating mechanism in the present invention;

[0034] Figure 6 It is a cross-sectional view of a support seat of Embodiment 1 of the manual energy storage device of the spring operating mechanism of the present invention;

[0035] Figure 7 It is a top view of a support seat of Embodiment 1 of a manual energy storage device of a spring operating mechanism of the present invention;

[0036] Figure 8 for Figure 1 The cross-sectional view along line AA in the middle mainly shows the structure of the manual-electric interlocking device.

[0037] Description of reference numerals:

[0038] 1. Support seat; 2. Motor seat; 3. Frame; 4. Input shaft; 5. Input bevel gear; 6. Energy storage motor; 7. Electric bevel gear; 8. Transmission shaft; 9. Manual bevel gear; 10. Driven bevel gear; 11. Limiting washer; 12. Shaft ring; 13. Manual energy storage shaft; 14. Sleeve; 15. Combined clutch; 16. Driving bevel gear; 17. Stop pin; 18. Transmission pin; 19. Stop washer; 20. Reset spring; 21. Thrust bearing; 22. Crank; 23. Slot; 24. Stop sleeve; 25. Stop slot; 26. Stop pin; 27. Manual-electric interlocking device. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention, that is, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0040] The present invention is further described in detail below in conjunction with embodiments.

[0041] Specific embodiment 1 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0042] See attached Figure 1 , a manual energy storage device of a spring operating mechanism, including a mounting frame, an input shaft 4 and a rotating operating member.

[0043] The mounting frame includes a support base 1 and a motor base 2 fixedly mounted on the support base 1. In other embodiments, the support base 1 and the motor base 2 may also be integrally formed. Figure 6 and attached Figure 7 .

[0044] The input shaft 4 is mounted on the frame 3 of the spring operating mechanism, and an input bevel gear 5 is fixedly provided at one end of the input shaft 4. The input shaft 4 is transmission-connected to a ratchet push mechanism for storing energy in the spring of the circuit breaker spring operating mechanism. The ratchet push mechanism is prior art and will not be described in detail here.

[0045] An energy storage motor 6 is installed on the motor base 2 , and the output shaft of the energy storage motor 6 is drivingly connected to an electric bevel gear 7 meshing with the input bevel gear 5 , so that the input shaft 4 can be driven to rotate by the energy storage motor 6 .

[0046] A transmission shaft 8 is rotatably mounted on the support seat 1. The transmission shaft 8 is perpendicular to the output shaft of the energy storage motor 6. A manual bevel gear 9 is fixedly arranged at one end of the transmission shaft 8. The manual bevel gear 9 is meshed with the input bevel gear 5. In this embodiment, the manual bevel gear 9 and the input bevel gear 5 both belong to the second bevel gear set. When the transmission shaft 8 is rotated, the input shaft 4 can also be driven to rotate. A driven bevel gear 10 is fixedly arranged at the other end of the transmission shaft 8. A one-way bearing is arranged between the driven bevel gear 10 and the transmission shaft 8 to prevent the transmission shaft 8 from reversing.

[0047] A limiting washer 11 is provided between the driven bevel gear 10 and the support seat 1 and is sleeved on the transmission shaft 8. Figure 2 A shaft collar 12 is formed on the transmission shaft 8, and the shaft collar 12 is located between the support seat 1 and the manual bevel gear 9. The shaft collar 12 is used to limit the axial movement of the transmission shaft 8. The frame 3 of the spring operating mechanism extends to the shaft collar 12, and the shaft collar 12 is rotatably mounted on the frame 3 of the spring operating mechanism.

[0048] A manual energy storage shaft 13 is arranged on the support seat 1, a sleeve 14 is fixed on the support seat 1 for the manual energy storage shaft 13 to pass through, a combined clutch 15 is arranged on the support seat 1, and the manual energy storage shaft 13 is connected to the combined clutch 15 by a sliding key. The manual energy storage shaft 13 is supported by the sleeve 14 and the combined clutch 15, so that the manual energy storage shaft 13 can rotate and can also slide along its axial direction. The main body of the combined clutch 15 in this embodiment is an overrunning clutch, which is mainly used to prevent the manual energy storage shaft 13 from rotating in the reverse direction and improve safety performance.

[0049] The manual energy storage shaft 13 is parallel to the output shaft of the energy storage motor 6, and a driving bevel gear 16 for meshing with the driven bevel gear 10 is fixedly provided at one end of the manual energy storage shaft 13. In this embodiment, the driven bevel gear 10 and the driving bevel gear 16 both belong to the first bevel gear set. When the manual energy storage shaft 13 moves toward the direction close to the transmission shaft 8, the driving bevel gear 16 meshes with the driven bevel gear 10; when the manual energy storage shaft 13 moves away from the transmission shaft 8, the driving bevel gear 16 disengages from the driven bevel gear 10.

[0050] See attached Figure 3, pin holes are provided in the middle of the manual energy storage shaft 13 and at one end away from the driving bevel gear 16, which are respectively used to install a stop pin 17 and a transmission pin 18. The stop pin 17 located in the middle of the manual energy storage shaft 13 is located on the side of the combined clutch 15 away from the driving bevel gear 16, and a stop washer 19 is provided between the stop pin 17 and the combined clutch 15, and the stop washer 19 abuts against the stop pin 17. A reset elastic member and a thrust bearing 21 are provided between the stop washer 19 and the combined clutch 15. The reset elastic member in this embodiment is a reset spring 20, and in other embodiments it can also be a rubber ring. The reset spring 20 is sleeved on the manual energy storage shaft 13, and its two ends abut against the stop washer 19 and the thrust bearing 21 respectively, and the side of the thrust bearing 21 away from the reset spring 20 abuts against the combined clutch 15. In the absence of external force, the return spring 20 pushes the manual energy storage shaft 13 to disengage the driving bevel gear 16 from the driven bevel gear 10; after external force is applied to the manual energy storage shaft 13, the return spring 20 is compressed, so that the driving bevel gear 16 and the driven bevel gear 10 can be engaged.

[0051] The rotating operating member in this embodiment is a crank 22, and in other embodiments the rotating operating member may also be a hand wheel, etc. Figure 5 The end of the crank 22 connected to the manual energy storage shaft 13 is a tubular structure, and is provided with two slots 23 with openings facing the ends of the crank 22. After the crank 22 is sleeved onto the ends of the manual energy storage shaft 13, the two ends of the transmission pin 18 will be inserted into the slots 23 and form a stop fit with the walls of the slots 23, so that the manual energy storage shaft 13 can be driven to rotate during the rotation of the crank 22. In order to facilitate the sleeve of the crank 22 onto the manual energy storage shaft 13, a guiding cone surface is formed at one end of the manual energy storage shaft 13 away from the driving bevel gear 16. The mouth of the slot 23 is formed with a chamfer for guiding the transmission pin 18, and the bottom of the slot 23 is enlarged to facilitate the locking of the transmission pin 18.

[0052] The support seat 1 is also rotatably provided with a stop sleeve 24, which is coaxial with the manual energy storage shaft 13 and arranged at intervals, see the attached Figure 4 A stop edge is formed at one end of the stop sleeve 24, and the stop edge is matched with one side of the support seat 1. A ring groove is formed on the stop sleeve 24, and a retaining ring is installed in the ring groove to match the other side of the support seat 1. The retaining ring in this embodiment is a spring retaining ring.

[0053] The stop sleeve 24 and the crank handle 22 are provided with a limited rotation-stopping structure. In this embodiment, the limited rotation-stopping structure includes two stop slots 25 provided on the wall of the stop sleeve 24, and the stop slot 25 includes an introduction portion and a stop portion perpendicular to each other, wherein the introduction portion is provided on the end surface of the stop sleeve 24 and extends along the axial direction of the stop sleeve 24, and the stop portion extends along the circumferential direction of the stop sleeve 24. The limited rotation-stopping structure also includes a stop protrusion fixedly provided on the crank handle 22, and the stop protrusion in this embodiment is the two end portions of the stop pin 26, the stop pin 26 is perpendicular to the axis of the crank handle 22 and penetrates the crank handle 22, and its two end portions protrude from the surface of the crank handle 22. When the crank handle 22 is inserted into the stop sleeve 24, the stop pin 26 will be inserted into the introduction portion of the stop slot 25 at the same time, and then the crank handle 22 is rotated in the direction of energy storage, so that the stop pin 26 enters the stop portion of the stop slot 25.

[0054] When installing the crank 22, the crank 22 will simultaneously push the manual energy storage shaft 13, compressing the reset spring 20, and driving the bevel gear 16 to mesh with the driven bevel gear 10. After the crank 22 is installed, the stop sleeve 24 can limit the crank 22 in the axial direction. Under the push of the reset spring 20, the stop pin 26 on the crank 22 will abut against the side wall of the installation slot. The operator does not need to hold the crank 22 by hand, and the crank 22 can remain stable and will not fall. When the crank 22 is turned forward, the crank 22 will drive the manual energy storage shaft 13 to rotate. When the crank 22 is turned reversely, the crank 22 can be removed.

[0055] See attached Figure 8 The support base 1 is also provided with a manual electric interlocking device 27, which mainly includes a micro switch installed on the support base 1. After the crank 22 is connected to the manual energy storage shaft 13, the end of the crank 22 will trigger the micro switch, thereby disconnecting the circuit of the energy storage motor 6, ensuring that the energy storage motor 6 is not charged during manual energy storage. After the manual energy storage is completed and the crank 22 is pulled out, the micro switch is reset to restore the circuit of the energy storage motor 6.

[0056] During use, the operator installs the crank 22 on the support seat 1, and makes the crank 22 form a transmission match with the manual energy storage shaft 13. At this time, the manual energy storage shaft 13 is pushed by the crank 22 to approach the transmission shaft 8, so that the driving bevel gear 16 and the driven bevel gear 10 are meshed, and then the crank 22 is shaken to perform manual energy storage. After the manual energy storage is completed, the crank 22 is removed, and the manual energy storage shaft 13 can be pushed away from the transmission shaft 8 by the reset spring 20, so that the driving bevel gear 16 and the driven bevel gear 10 are disengaged.

[0057] Specific embodiment 2 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0058] This embodiment provides another installation method of the transmission shaft. The difference compared with Embodiment 1 is that the transmission shaft of this embodiment is guided and rotatably installed on the support seat. No limiting washer is arranged between the driven bevel gear and the support seat. Instead, a disengagement spring is arranged. The disengagement spring is sleeved on the transmission shaft, and its two ends are respectively abutted against the driven bevel gear and the support seat.

[0059] When the crank is removed, the manual energy storage shaft moves away from the transmission shaft along its axial direction, so that the driving bevel gear and the driven bevel gear are disengaged. At this time, since one end of the transmission shaft where the driven bevel gear is set has lost its limit, the transmission shaft will move away from the input shaft under the push of the disengagement spring, so that the manual bevel gear and the input bevel gear are disengaged. When the crank is installed, the manual energy storage shaft will approach the drive shaft, the driving bevel gear and the driven bevel gear will be engaged, and the driving bevel gear will squeeze the driven bevel gear, so that the transmission shaft approaches the input shaft along its axial direction, so that the manual bevel gear and the input bevel gear are engaged.

[0060] In this embodiment, after the crank is disassembled, the transmission shaft and the input shaft can also be disengaged from the transmission, ensuring that during the process of using the energy storage motor to store energy, the transmission shaft and the manual energy storage shaft do not idle, further ensuring the safety of the manual energy storage device of the spring operating mechanism.

[0061] Specific embodiment 3 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0062] This embodiment provides another structural form of a limit and anti-rotation structure. The difference compared with Embodiment 1 is that the limit and anti-rotation structure in this embodiment includes pin holes provided on the stop sleeve and the crank. After the crank is inserted into the stop sleeve and the pin holes are aligned, a pin can be inserted into the pin hole to achieve the axial limiting effect of the crank and the stop sleeve.

[0063] Specific embodiment 4 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0064] This embodiment provides another structural form of a limit rotation stop structure, which is different from the first embodiment in that a shaft shoulder is formed at the place where the crank handle is inserted into the stop sleeve, and the limit rotation stop structure includes a stop groove provided on the crank handle. The structure of the stop groove is the same as that of the first embodiment, and also includes an introduction part and a stop part, and the mouth of the introduction part is located on the end face of the shaft shoulder. The limit rotation stop structure also includes a stop protrusion fixed on the inner wall of the stop sleeve. When the crank handle is inserted into the stop sleeve, the stop protrusion can enter the stop groove from the introduction part of the stop groove.

[0065] Specific embodiment 5 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0066] This embodiment provides another structural form of a limit stop structure. The difference compared with Embodiment 1 is that in this embodiment, two stop pins are provided and neither of them penetrates the crank. The two stop pins are welded and fixed to the surface of the crank to form a stop protrusion.

[0067] Specific embodiment 6 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0068] This embodiment provides another installation form of the manual energy storage shaft. The difference from the first embodiment is that in this embodiment, no transmission shaft is provided, but the driving bevel gear on the manual energy storage shaft is directly meshed with the input bevel gear. The return spring can drive the manual energy storage shaft to move along its axial direction, so that the driving bevel gear and the input bevel gear are disengaged to avoid affecting the operation of the electric energy storage.

[0069] Specific embodiment 7 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0070] This embodiment provides another installation form of the transmission shaft. The difference from Embodiment 1 is that the driven bevel gear in this embodiment is directly fixedly connected to the transmission shaft without a one-way bearing.

[0071] Specific embodiment 8 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0072] This embodiment provides another installation form of the energy storage motor. The difference from Embodiment 1 is that in this embodiment, the output shaft and the input shaft of the energy storage motor are connected via a coupling, and the axis of the output shaft of the energy storage motor is colinear with the axis of the input shaft.

[0073] Specific embodiment 9 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0074] The difference compared with the first embodiment is that the manual-electric interlocking device is not provided in the present embodiment.

[0075] Specific embodiment 10 of the manual energy storage device of the spring operating mechanism provided by the present invention:

[0076] Another structure of the stop sleeve provided in this embodiment is different from that in Embodiment 1 in that, in this embodiment, the stop sleeve is not provided with a ring groove but with an external thread, and a threaded stop ring is connected to the stop sleeve through a thread to cooperate with the support seat.

[0077] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions recorded in the aforementioned embodiments without creative work, or replace some of the technical features therein with equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A manual energy storage device of a spring operating mechanism, comprising a mounting frame, on which a manual energy storage shaft (13) for transmission cooperation with an input shaft (4) of the spring operating mechanism for energy storage is arranged, a reset elastic member is arranged between the mounting frame and the manual energy storage shaft (13), and is used to deform when the manual energy storage shaft (13) is in transmission cooperation with the input shaft (4) to provide power for resetting the manual energy storage shaft (13), and the manual energy storage device of the spring operating mechanism also comprises a rotating operating member for anti-rotation cooperation with the manual energy storage shaft (13), wherein: A rotatable stop sleeve (24) is provided on the mounting frame, and the stop sleeve (24) and the rotary operating member are matched via a limit and rotation-stop structure that limits axial position and stops circumferential rotation, so that the stop sleeve (24) and the rotary operating member rotate synchronously and the rotary operating member is prevented from falling out in the axial direction.

2. The manual energy storage device of the spring operating mechanism according to claim 1, characterized in that: The limit rotation stop structure comprises at least one stop protrusion arranged on one of the rotating operating member and the stop sleeve (24) and a stop groove (25) arranged on the other, wherein the stop groove (25) comprises an introduction portion and a stop portion which are perpendicular to each other, wherein the introduction portion extends along the axial direction of the rotating operating member or the stop sleeve (24) and is used to introduce the stop protrusion, and the stop portion extends along the circumferential direction of the rotating operating member or the stop sleeve (24) and is used to form a blocking fit with the stop protrusion.

3. The manual energy storage device of the spring operating mechanism according to claim 2, characterized in that: The stop grooves (25) are located on the stop sleeve (24) and are provided with two of them. The rotary operating member is provided with a stop pin (26) perpendicular to its own axis. The end of the stop pin (26) protrudes from the surface of the rotary operating member to form a stop protrusion.

4. The manual energy storage device of the spring operating mechanism according to claim 3, characterized in that: There is only one stop pin (26), and the stop pin (26) penetrates the rotating operating member and is fixed to the rotating operating member. The two ends of the stop pin (26) respectively protrude from the surface of the rotating operating member and form stop protrusions.

5. The manual energy storage device of the spring operating mechanism according to any one of claims 1 to 4, characterized in that: The mounting frame is provided with a rotation hole for the stop sleeve (24) to pass through and rotate, one end of the stop sleeve (24) is provided with a stop edge for stop-matching with the end surface of one side of the mounting frame, and the stop sleeve (24) is also provided with an annular groove, in which a stop ring is installed for stop-matching with the end surface of the other side of the mounting frame.

6. The manual energy storage device of the spring operating mechanism according to any one of claims 1 to 4, characterized in that: The mounting frame is also provided with a transmission shaft (8) for transmission and reversing, one end of the transmission shaft (8) is used to form a transmission connection with the manual energy storage shaft (13) through a first bevel gear set, and after the manual energy storage shaft (13) moves away from the transmission shaft (8) under the action of the elastic member, the two bevel gears in the first bevel gear set are disengaged, so that the transmission connection between the transmission shaft (8) and the manual energy storage shaft (13) is released, and the other end of the transmission shaft (8) is used to be transmission-connected with the input shaft (4).

7. The manual energy storage device of the spring operating mechanism according to claim 6, characterized in that: The end of the transmission shaft (8) away from the manual energy storage shaft (13) is used to form a transmission connection with the input shaft (4) through the second bevel gear set. The transmission shaft (8) and the mounting frame are rotated and guided together. A disengagement elastic member is also provided between the transmission shaft (8) and the mounting frame. The disengagement elastic member is used to deform under force when the second bevel gear set is meshed and transmitted to apply a reaction force to the transmission shaft (8) in a direction away from the input shaft (4), thereby causing the transmission shaft (8) to move away from the input shaft (4) and causing the two bevel gears in the second bevel gear set to be disengaged when the manual energy storage shaft (13) moves away from the transmission shaft (8).

8. The manual energy storage device of the spring operating mechanism according to claim 6, characterized in that: A driven bevel gear (10) is arranged at one end of the transmission shaft (8) close to the manual energy storage shaft (13), and a one-way bearing is arranged between the driven bevel gear (10) and the transmission shaft (8).

9. The manual energy storage device of the spring operating mechanism according to claim 6, characterized in that: An energy storage motor (6) is arranged on the mounting frame, and the output shaft of the energy storage motor (6) is drivingly connected to an electric bevel gear (7) for drivingly connecting to the input shaft (4), so that the output shaft of the motor is parallel to the manual energy storage shaft (13).

10. The manual energy storage device of the spring operating mechanism according to any one of claims 1 to 4, characterized in that: The mounting frame is provided with an energy storage motor (6) drivingly connected to the input shaft (4), and the mounting frame is provided with a manual electric interlocking device (27) for shutting off the power supply of the energy storage motor (6) after being triggered. The manual electric interlocking device (27) is arranged between the manual energy storage shaft (13) and the stop sleeve (24) so ​​that the rotating operating member can trigger the manual electric interlocking device (27) after the rotating operating member is installed in place.

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