Direct current load switch

Abstract

The utility model discloses a direct-current load switch, which belongs to the technical field of switches and comprises a main contact, a main driving shaft and an energy storage spring. The energy storage regulation and control mechanism comprises a rotating shaft rotationally arranged in the mounting base, a first adapter rod fixedly arranged on the rotating shaft, an adapter disc rotationally arranged on the main driving shaft in a sleeving mode, a second adapter rod fixedly arranged on the rotating shaft, an adapter ring fixedly arranged on the main driving shaft, a connecting block connected with the energy storage spring and a connecting column arranged on the connecting block in a sleeving mode. The positioning column is fixedly arranged on the mounting seat, the torsional spring is arranged on the positioning column, a curved rod is hinged to the first adapter rod and hinged to the adapter disc, a connecting rod is arranged on the adapter ring, a rotating handle is arranged on the second adapter rod, the connecting rod is hinged to the rotating handle through the adapter column, and the torsional spring is connected with the adapter column. And a first driving mechanism for driving the rotating shaft to rotate is arranged in the mounting seat. The application has the effects of prolonging the service life of the energy storage spring and guaranteeing the safety of the circuit.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch technology field especially is related to a direct current load switch. BACKGROUND

[0002] The load switch is a kind of switch device for controlling and protecting circuit in electrical equipment, usually with higher withstand voltage and stronger current carrying capacity, can work in high voltage and large current environment, it can be connected or disconnected in the case of live circuit, realize the control of circuit;The working principle of load switch is mainly realized by the contact of circuit control, when operating load switch, its active contact will contact or separate from main static contact, to realize the connection or disconnection of circuit, the prior art is more by pre-storing energy to energy storage spring, when needing to connect or disconnect active contact and main static contact, energy storage spring releases energy and drives main drive shaft deflection, so that main drive shaft drives active contact deflection, to realize the connection or disconnection of circuit;Energy storage spring needs to be compressed in the process of energy storage, and in the process of waiting to disconnect or connect circuit, energy storage spring is always in compressed state, the elastic coefficient of energy storage spring is influenced, thereby the subsequent release of elastic potential energy of energy storage spring is influenced, and then the control of circuit is influenced, the safety of circuit is reduced.

[0003] For the above related technology, it is urgent to design and develop a kind of direct current load switch, can quickly complete the energy storage work of energy storage spring before needing to disconnect or connect circuit, realize the moment of circuit disconnection or connection for main drive shaft energy storage and drive active contact deflection, when circuit remains disconnected or connected, energy storage spring is in free state, effectively improve the service life of energy storage spring, guarantee the safety of circuit. UTILITY MODEL CONTENT

[0004] In order to improve the service life of energy storage spring, guarantee the safety of circuit, the application provides a kind of direct current load switch.

[0005] The direct current load switch provided by the application adopts the following technical scheme:

[0006] The utility model provides a direct current load switch, including the main male contact for cooperating with the main female contact, the main drive shaft for driving the main male contact rotates and the energy storage spring for providing the drive force to the main drive shaft, the energy storage spring sets up in the mounting base, the main drive shaft rotates sets up in the mounting base, the mounting base is provided with the energy storage control mechanism, the energy storage control mechanism includes the rotary shaft that rotates sets up in the mounting base, the adapter rod one that is fixedly set up on the rotary shaft, the adapter disc that rotates the sleeve sets up on the main drive shaft, the adapter rod two that is fixedly set up on the rotary shaft, the adapter ring that is fixedly set up on the main drive shaft, the connecting block that is connected with the energy storage spring, the connecting column that sets up on the connecting block, the positioning column that is fixedly set up on the mounting base and the torsion spring that sets up on the positioning column, the adapter rod two sets up on the adapter rod one side, the adapter rod one is hinged with the curved rod, the curved rod is hinged with the adapter disc, the adapter ring sets up on the adapter disc side, the adapter ring sleeve sets up in the connecting block, the connecting column sleeve sets up in the adapter ring, the connecting column sleeve sets up on the adapter disc, the adapter ring is provided with the connecting rod, the adapter rod two is provided with the handle, the connecting rod and the handle between through the adapter column are hinged, the torsion spring is connected with the adapter column, the mounting base is provided with the first drive mechanism for driving the rotary shaft rotates.

[0007] The energy storage spring is arranged in the mounting seat, the connecting block is connected with the energy storage spring, the connecting column is arranged on the connecting block, the main drive shaft is rotatably arranged in the mounting seat, the rotating shaft is rotatably arranged in the mounting seat, the adapter rod one is fixedly arranged on the rotating shaft, the adapter rod two is fixedly arranged on the rotating shaft, the adapter rod two is arranged beside the adapter rod one, the adapter disc is rotatably arranged on the main drive shaft, the adapter ring is fixedly arranged on the main drive shaft, the adapter ring is arranged beside the adapter disc, the connecting column is arranged in the adapter ring, the connecting column is arranged on the adapter disc, the positioning column is fixedly arranged on the mounting seat, the torsion spring is arranged on the positioning column, the adapter rod one is hingedly connected with the curved rod, the curved rod is hingedly connected with the adapter disc, the adapter ring is provided with the connecting rod, the adapter rod two is provided with the handle, the connecting rod and the handle are hingedly connected through the adapter column, the torsion spring is connected with the adapter column, when the circuit needs to be disconnected, the rotating shaft is driven to rotate by the first driving mechanism, the rotating shaft synchronously drives the adapter rod one and the adapter rod two to rotate, the adapter rod one drives the adapter disc to rotate through the curved rod, the adapter disc drives the energy storage spring to deflect through the connecting column and the connecting block, so that the spring is compressed downward, when the energy storage spring, the adapter ring, the connecting rod, the adapter column and the handle are in the same horizontal line position, the energy storage spring is energized, at this time, the torsion spring is in the stretched state, the stability of the energized state is maintained, when the first driving mechanism gives the torsion spring a certain trigger force through the rotating shaft, the torsion spring deflects, the balance state of the energy storage spring, the adapter ring, the connecting rod, the adapter column and the handle is broken, the energy storage spring releases the energy downward, drives the main drive shaft to deflect, so as to drive the driving contact to separate from the static contact, the circuit is disconnected, at this time, the energy storage spring is in the free state; when the circuit needs to be connected, the rotating shaft is reversely rotated by the first driving mechanism, the rotating shaft synchronously drives the adapter rod one and the adapter rod two to reversely rotate, the adapter rod one reversely drives the adapter disc to rotate through the curved rod, the adapter disc drives the energy storage spring to deflect through the connecting column and the connecting block, so that the spring is compressed upward, when the energy storage spring, the adapter ring, the connecting rod, the adapter column and the handle are in the same horizontal line position, the energy storage spring is energized, at this time, the torsion spring is in the stretched state, the stability of the energized state is maintained, when the first driving mechanism gives the torsion spring a certain trigger force through the rotating shaft, the torsion spring deflects, the balance state of the energy storage spring, the adapter ring, the connecting rod, the adapter column and the handle is broken, the energy storage spring releases the energy upward, drives the main drive shaft to deflect, so as to drive the driving contact to be clamped with the static contact, the circuit is connected, the energy storage spring is in the free state, the service life of the energy storage spring is improved, and the safety of the circuit is ensured.

[0008] Preferably, the first driving mechanism comprises a motor arranged in the mounting seat, a driving gear one fixed on the output shaft of the motor and a driven gear fixed on the rotating shaft, the driving gear one is rotatably arranged in the mounting seat, the driven gear one is rotatably arranged in the mounting seat, and the driving gear is engaged with the driven gear.

[0009] The motor is arranged in the mounting seat, the driving gear one is fixed on the motor output shaft, the driving gear one is rotatably arranged in the mounting seat, the driven gear is fixed on the rotating shaft, the driven gear is rotatably arranged in the mounting seat, the driving gear one is engaged with the driven gear, when the rotating shaft needs to be driven to rotate, the driving motor drives the driving gear one to rotate, the driving gear one drives the driven gear to rotate, and the driven gear drives the rotating shaft to rotate, so that the rotating shaft is conveniently driven to rotate.

[0010] Preferably, the mounting seat is provided with a second driving mechanism for driving the rotating shaft to rotate, the second driving mechanism comprises a selection switch arranged in the mounting seat, a rotating shaft rotatably arranged in the mounting seat, a driving gear two fixedly arranged on the rotating shaft, and a handle which can be sleeved on the rotating shaft, the handle is rotatably inserted into the mounting seat, the driving gear two is rotatably arranged in the mounting seat, the driving gear two is engaged with the driven gear, and the selection switch is connected with the motor.

[0011] By adopting the above technical scheme, the selection switch is arranged in the mounting seat, the rotating shaft is rotatably arranged in the mounting seat, the driving gear two is fixedly arranged on the rotating shaft, the driving gear two is rotatably arranged in the mounting seat, the driving gear two is engaged with the driven gear, the handle is rotatably inserted into the mounting seat, the handle can be sleeved on the rotating shaft, and the selection switch is connected with the motor, when the handle is inserted into the mounting seat and sleeved on the rotating shaft, the selection switch cannot be connected to the circuit to control the motor, the handle drives the driving gear two to rotate, the driving gear two drives the driven gear to rotate, and the rotating shaft is driven to rotate, so that the handle is manually operated when the motor circuit fails, and the safety of the circuit is improved.

[0012] Preferably, the mounting seat is provided with a damping mechanism, the damping mechanism comprises a mounting column arranged in the mounting seat, a hydraulic buffer rotatably sleeved on the mounting column, and a rotating handle hingedly arranged at an output end of the hydraulic buffer, the hydraulic buffer is arranged in the mounting seat, and the rotating handle is rotatably sleeved on the main driving shaft.

[0013] By adopting the above technical scheme, the mounting column is arranged in the mounting seat, the hydraulic buffer is rotatably sleeved on the mounting column, the hydraulic buffer is arranged in the mounting seat, the rotating handle is hingedly arranged at the output end of the hydraulic buffer, and the rotating handle is rotatably sleeved on the main driving shaft, in the process of disconnecting and connecting the circuit, when the energy storage spring instantaneously releases the stored energy, the main driving shaft will vibrate up and down, at this time, through the connection mode of the hydraulic buffer, the rotating handle and the main driving shaft, when the main driving shaft drives the rotating handle to vibrate, the hydraulic buffer can give the rotating handle a certain buffering force, so as to slow down the vibration of the main driving shaft.

[0014] Preferably, the main drive shaft is provided with a linkage transfer mechanism, the linkage transfer mechanism comprises an arc moving contact provided beside the main moving contact, an arc static contact provided beside the main static contact, a linkage short rod one provided on the main drive shaft, a linkage long rod one hinged to the main moving contact, a linkage short rod two provided on the main drive shaft, and a linkage long rod two hinged to the arc moving contact, the linkage short rod one is hinged to the linkage long rod one, the linkage short rod two is hinged to the linkage long rod two, the arc moving contact is clamped in the arc static contact, and an arc extinguishing mechanism is provided beside the main static contact to extinguish the arc.

[0015] By adopting the above technical scheme, the arc moving contact is provided beside the main moving contact, the linkage short rod one is provided on the main drive shaft, the linkage long rod one is hinged to the main moving contact, the linkage short rod one is hinged to the linkage long rod one, the arc static contact is provided beside the main static contact, the linkage short rod two is provided on the main drive shaft, the linkage long rod two is hinged to the arc moving contact, the linkage short rod two is hinged to the linkage long rod two, the arc moving contact is clamped in the arc static contact, and an arc extinguishing mechanism is provided beside the main static contact to extinguish the arc. In the process of deflecting the main moving contact by the main drive shaft through the linkage short rod one and the linkage long rod one, the arc moving contact is deflected by the linkage short rod two and the linkage long rod two, the arc between the main moving contact and the main static contact is transferred to the arc between the arc moving contact and the arc static contact and is extinguished by the arc extinguishing mechanism. Since the main moving contact is expensive and is prone to damage after long-term use, the arc is transferred to the arc moving contact which is cheap for arc splitting and arc extinguishing. When the arc moving contact is damaged, it is replaced, thereby reducing the cost and saving resources.

[0016] Preferably, a waist-shaped hole is formed in the side surface of the linkage long rod two, and the hinging shaft of the linkage short rod two is slidingly arranged in the waist-shaped hole.

[0017] By adopting the above technical scheme, a waist-shaped hole is formed in the side surface of the linkage long rod two, and the hinging shaft of the linkage short rod two is slidingly arranged in the waist-shaped hole. In the process of arc extinguishing, in order to ensure that the arc can be smoothly transferred to the arc moving contact, the separation of the arc moving contact and the arc static contact needs to lag behind the separation time of the main moving contact and the circuit. The waist-shaped hole is formed in the side surface of the linkage long rod two, and the hinging shaft of the linkage short rod two is slidingly arranged in the waist-shaped hole. In the process of deflecting the linkage short rod two by the main drive shaft, the hinging shaft of the linkage short rod two needs to slide in the waist-shaped hole for a certain distance before abutting against the linkage long rod two. The sliding time makes the deflection of the main moving contact and the deflection of the arc moving contact have a certain angle difference, which meets the time difference of the separation and ensures that the arc can be smoothly transferred to the arc moving contact.

[0018] Preferably, the arc extinguishing mechanism comprises an arc extinguishing chamber arranged beside the main static contact, an arc extinguishing grid arranged in the arc extinguishing chamber, and a magnetic blow coil arranged beside the arc extinguishing grid, the arc extinguishing chamber is provided with a sliding groove on the side surface, the arc movable contact is rotatably arranged in the sliding groove, the arc movable contact is rotatably arranged in the arc extinguishing chamber, the arc static contact is arranged in the arc extinguishing chamber, and the magnetic blow coil is arranged below the arc static contact.

[0019] By adopting the above technical scheme, the arc extinguishing chamber is arranged beside the main static contact, the arc extinguishing chamber is provided with a sliding groove on the side surface, the arc movable contact is rotatably arranged in the sliding groove, the arc movable contact is rotatably arranged in the arc extinguishing chamber, the arc static contact is arranged in the arc extinguishing chamber, the arc extinguishing grid is arranged in the arc extinguishing chamber, the magnetic blow coil is arranged beside the arc extinguishing grid, and the magnetic blow coil is arranged below the arc static contact. In the process of arc extinguishing, the arc on the main movable contact is led to the arc movable contact, and then the arc is blown to the arc extinguishing grid by the magnetic blow coil, so as to facilitate arc extinguishing.

[0020] Preferably, the mounting seat is provided with a supporting mechanism, the supporting mechanism comprises a supporting base arranged beside the mounting seat, an insulator one arranged on the supporting base, an insulator two arranged beside the insulator one, an insulator three arranged beside the insulator two, and an insulator four arranged beside the insulator three, the insulator one is provided with a placing seat, the main movable contact is rotatably arranged on the placing seat, the insulator two is provided with an article placing seat, the arc movable contact is rotatably arranged on the article placing seat, the main static contact is arranged on the insulator three, and the arc extinguishing chamber is arranged on the insulator four.

[0021] By adopting the above technical scheme, the supporting base is arranged beside the mounting seat, the insulator one is arranged on the supporting base, the insulator two is arranged beside the insulator one, the insulator three is arranged beside the insulator two, the insulator four is arranged beside the insulator three, the insulator one is provided with a placing seat, the main movable contact is rotatably arranged on the placing seat, the insulator two is provided with an article placing seat, the arc movable contact is rotatably arranged on the article placing seat, the main static contact is arranged on the insulator three, and the arc extinguishing chamber is arranged on the insulator four. The stability of the load switch is improved, and the safety of the load switch is ensured.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. The energy storage spring is arranged in the mounting seat, the connecting block is connected with the energy storage spring, the connecting column is sleeved on the connecting block, the main drive shaft is rotatably arranged in the mounting seat, the rotating shaft is rotatably arranged in the mounting seat, the adapter rod one is fixedly arranged on the rotating shaft, the adapter rod two is fixedly arranged on the rotating shaft, the adapter rod two is arranged beside the adapter rod one, the adapter disc is rotatably sleeved on the main drive shaft, the adapter ring is fixedly arranged on the main drive shaft, the adapter ring is arranged beside the adapter disc, the connecting column is sleeved in the adapter ring, the connecting column is arranged on the adapter disc, the positioning column is fixedly arranged on the mounting seat, the torsional spring is arranged on the positioning column, the adapter rod one is hinged with the crank rod, the crank rod is hinged with the adapter disc, the connecting rod is arranged on the adapter ring, the handle is arranged on the adapter rod two, the connecting rod and the handle are hinged through the adapter column, the torsional spring is connected with the adapter column, when the circuit needs to be disconnected, the rotating shaft is driven to rotate through the first drive mechanism, the adapter rod one and the adapter rod two are synchronously driven to rotate through the rotating shaft, the adapter disc is driven to rotate through the adapter rod one, the adapter disc drives the energy storage spring to deflect through the connecting column and the connecting block, so that the spring is compressed downward, when the energy storage spring, the adapter ring, the connecting rod, the adapter column and the handle are in the same horizontal line position, the energy storage spring is energized, at this time the torsional spring is in the stretched state, the stability of the energized state is maintained, when the first drive mechanism gives the torsional spring a certain trigger force through the rotating shaft, the torsional spring deflects, the balance state of the energy storage spring, the adapter ring, the connecting rod, the adapter column and the handle is broken, the energy storage spring releases the energy downward, drives the main drive shaft to deflect, so as to drive the driving contact to separate from the static contact, the circuit is disconnected, at this time the energy storage spring is in a free state; when the circuit needs to be connected, the rotating shaft is reversely rotated through the first drive mechanism, the adapter rod one and the adapter rod two are reversely rotated synchronously through the rotating shaft, the adapter disc is reversely rotated through the adapter rod one, the adapter disc drives the energy storage spring to deflect through the connecting column and the connecting block, so that the spring is compressed upward, when the energy storage spring, the adapter ring, the connecting rod, the adapter column and the handle are in the same horizontal line position, the energy storage spring is energized, at this time the torsional spring is in the stretched state, the stability of the energized state is maintained, when the first drive mechanism gives the torsional spring a certain trigger force through the rotating shaft, the torsional spring deflects, the balance state of the energy storage spring, the adapter ring, the connecting rod, the adapter column and the handle is broken, the energy storage spring releases the energy upward, drives the main drive shaft to deflect, so as to drive the driving contact to be connected with the static contact, the circuit is connected, that is, when the circuit is kept disconnected or connected, the energy storage spring is in a free state, the service life of the energy storage spring is effectively improved, and the safety of the circuit is ensured;

[0024] 2. A selection switch is arranged in the mounting seat, a rotating shaft is rotatably arranged in the mounting seat, a driving gear two is fixedly arranged on the rotating shaft, the driving gear two is rotatably arranged in the mounting seat, the driving gear two is engaged with the driven gear, a handle is rotatably inserted into the mounting seat, the handle is sleeved on the rotating shaft, the selection switch is connected with the motor, when the handle is inserted into the mounting seat and sleeved on the rotating shaft, the selection switch controls the motor to be unable to access the circuit, the handle is rotated to drive the driving gear two to rotate, the driving gear two drives the driven gear to rotate, thereby facilitating the rotating shaft to rotate, when the motor circuit occurs, the handle is manually operated, the safety of the circuit is improved, if the motor is needed to drive the rotating shaft to rotate, the handle needs to be pulled out, the selection switch controls the motor to normally work, two modes of driving the rotating shaft are provided, when the motor works, the handle is prevented from rotating at the same time, and harm to the worker is avoided;

[0025] 3. A mounting column is arranged in the mounting seat, a hydraulic buffer is rotatably sleeved on the mounting column, the hydraulic buffer is arranged in the mounting seat, a rotating handle is hingedly arranged at an output end of the hydraulic buffer, the rotating handle is rotatably sleeved on the main driving shaft, in the process of disconnecting and connecting the circuit, when the energy storage spring instantaneously releases the stored energy, the main driving shaft will vibrate up and down, at this time, through the connection mode of the hydraulic buffer, the rotating handle and the main driving shaft, when the main driving shaft drives the rotating handle to vibrate, the hydraulic buffer can give the rotating handle a certain buffering force, thereby slowing down the vibration of the main driving shaft, thereby improving the stability of the rotation of the main driving shaft, and further improving the stability of the work of the switch. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the overall structure schematic diagram of the DC load switch in the embodiment of the application.

[0027] Figure 2 It is the internal structure schematic diagram of the arc extinguishing chamber in the embodiment of the application.

[0028] Figure 3 It is the connection structure schematic diagram of the linkage transfer mechanism in the embodiment of the application.

[0029] Figure 4 It is the connection structure schematic diagram of the energy storage control mechanism in the embodiment of the application.

[0030] Figure 5 It is the connection structure schematic diagram of the damping mechanism in the embodiment of the application.

[0031] BRIEF DESCRIPTION OF DRAWINGS

[0032] 1. Mounting seat; 11. Main static contact; 12. Active contact; 13. Main drive shaft; 2. Energy storage spring; 3. Support mechanism; 31. Support base; 32. Insulator 1; 321. Placement seat; 33. Insulator 2; 331. Storage seat; 34. Insulator 3; 35. Insulator 4; 4. Arc extinguishing mechanism; 41. Arc extinguishing chamber; 42. Arc extinguishing grid; 43. Magnetic blow coil; 5. Linkage transfer mechanism; 51. Arc moving contact; 52. Arc static contact; 53. Linkage short rod 1; 54. Linkage long rod 1; 55. Linkage short rod 2; 56. Linkage long rod 2; 6. Shock-absorbing mechanism; 61. Mounting column; 62. Hydraulic buffer; 63. Rotating handle; 7. Energy storage control mechanism; 71. Rotating shaft; 72. Adapter rod one; 721. Bending rod; 73. Adapter plate; 74. Adapter rod two; 741. Rotating handle; 75. Adapter ring; 751. Connecting rod; 76. Connecting block; 77. Connecting column; 78. Positioning column; 79. Torsion spring; 8. First driving mechanism; 81. Motor; 82. Driving gear one; 83. Driven gear; 9. Second driving mechanism; 91. Rotating shaft; 92. Driving gear two; 93. Handle. DETAILED DESCRIPTION

[0033] The following is combined with Figures 1-5 This application is described in further detail.

[0034] Embodiment 1 of the present application discloses a DC load switch.

[0035] Example 1

[0036] Reference Figure 1 As shown, the DC load switch includes a mounting base 1, a main static contact 11, an active contact 12, a main drive shaft 13, an energy storage spring 2, a support mechanism 3, an arc extinguishing mechanism 4, a linkage transfer mechanism 5, a shock absorbing mechanism 6, an energy storage control mechanism 7, a first drive mechanism 8 and a second drive mechanism 9.

[0037] Reference Figure 1 As shown, the mounting seat 1 is arranged horizontally, and the length direction of the mounting seat 1 is parallel to the ground. The supporting mechanism 3 includes a supporting base 31, insulator 1 32, insulator 2 33, insulator 3 34 and insulator 4 35. The supporting base 31 is arranged next to the mounting seat 1.

[0038] Reference Figure 1 As shown, insulator one 32 is fixedly arranged on the top surface of the support base 31, insulator two 33 is arranged next to insulator one 32, insulator three 34 is arranged next to insulator two 33, and insulator four 35 is arranged next to insulator three 34. Insulator two 33, insulator three 34, and insulator four 35 are all fixedly arranged on the top surface of the support base 31.

[0039] Reference Figure 1As shown, the insulator 32 is provided with a placing seat 321, the active contact 12 is rotatably arranged on the placing seat 321, the main static contact 11 is arranged on the insulator 34, the stability of the load switch is improved, and the safety of the load switch is ensured.

[0040] Referring to Figure 1 , Figure 2 and Figure 3 As shown, the linkage transfer mechanism 5 includes an arc active contact 51, an arc static contact 52, a linkage short rod 53, a linkage long rod 53, a linkage short rod 55 and a linkage long rod 56, the insulator 33 is provided with a placing seat 331, and the arc active contact 51 is rotatably arranged on the placing seat 331.

[0041] Referring to Figure 1 , Figure 2 and Figure 3 As shown, the arc static contact 52 is arranged beside the main static contact 11, the linkage short rod 53 is fixedly arranged on the main drive shaft 13, the linkage short rod 55 is fixedly arranged on the main drive shaft 13, the linkage long rod 54 is hingedly connected to the active contact 12, and the linkage long rod 56 is hingedly connected to the arc active contact 51.

[0042] Referring to Figure 1 , Figure 2 and Figure 3 As shown, the linkage short rod 53 is hingedly connected to the linkage long rod 54, the linkage short rod 55 is hingedly connected to the linkage long rod 56, the arc active contact 51 can be clamped in the arc static contact 52, a waist-shaped hole is formed in the side surface of the linkage long rod 56, and the hinged shaft of the linkage short rod 55 is slidably arranged in the waist-shaped hole.

[0043] Referring to Figure 1 , Figure 2 and Figure 3 As shown, in the process of extinguishing the arc, in order to ensure that the arc can be smoothly transferred to the arc active contact 51, the separation of the arc active contact 51 and the arc static contact 52 needs to lag behind the separation time of the active contact 12 and the circuit, and in the process of the main drive shaft 13 driving the linkage short rod 55 to deflect, the hinged shaft of the linkage short rod 55 needs to slide in the waist-shaped hole before abutting against the linkage long rod 56. The time of this sliding makes the deflection of the active contact 12 and the deflection of the arc active contact 51 have a certain angle difference, which meets the time difference of the separation, and ensures that the arc can be smoothly transferred to the arc active contact 51.

[0044] Referring to Figure 1 and Figure 2As shown, the arc extinguishing mechanism 4 includes an arc extinguishing chamber 41, an arc extinguishing grid 42 and a magnetic blowing coil 43. The arc extinguishing chamber 41 is arranged on the insulator 35, and the arc extinguishing chamber 41 is arranged next to the main static contact 11. A sliding groove is opened on the side of the arc extinguishing chamber 41, and the arc moving contact 51 is rotatably arranged in the sliding groove. The arc moving contact 51 is rotatably arranged in the arc extinguishing chamber 41, the arc extinguishing grid 42 is arranged in the arc extinguishing chamber 41, the magnetic blowing coil 43 is arranged next to the arc extinguishing grid 42, the arc static contact 52 is arranged in the arc extinguishing chamber 41, and the magnetic blowing coil 43 is arranged below the arc static contact 52. In the process of arc extinguishing, the arc on the active contact 12 is induced to the arc moving contact 51, and then the arc is blown to the arc extinguishing grid 42 through the magnetic blowing coil 43 to facilitate arc extinguishing.

[0045] Reference Figure 1 As shown, the energy storage spring 2 is arranged in the mounting base 1, the main drive shaft 13 is rotatably arranged in the mounting base 1, the length direction of the main drive shaft 13 is parallel to the ground, the length direction of the main drive shaft 13 is perpendicular to the length direction of the mounting base 1, and the main drive shaft 13 is rotatably arranged in the support base 31.

[0046] Reference Figure 1 and Figure 4 As shown, the energy storage control mechanism 7 includes a rotating shaft 71, an adapter rod 1 72, an adapter plate 73, an adapter rod 2 74, an adapter ring 75, a connecting block 76, a connecting column 77, a positioning column 78 and a torsion spring 79. The rotating shaft 71 is rotatably arranged in the mounting seat 1, and the length direction of the rotating shaft 71 is the same as the length direction of the main drive shaft 13.

[0047] Reference Figure 1 and Figure 4 As shown, the adapter rod 1 72 is fixedly arranged on the rotating shaft 71, the adapter rod 2 74 is fixedly arranged on the rotating shaft 71, the adapter rod 2 74 is arranged next to the adapter rod 1 72, the adapter plate 73 is rotatably sleeved on the main drive shaft 13, the adapter ring 75 is fixedly arranged on the main drive shaft 13, and the adapter ring 75 is arranged next to the adapter plate 73.

[0048] Reference Figure 1 and Figure 4 As shown, the connecting block 76 is arranged in the mounting seat 1, the connecting block 76 is connected to the energy storage spring 2, the connecting column 77 is arranged in the mounting seat 1, the connecting column 77 is sleeved on the connecting block 76, the adapter ring 75 is sleeved in the connecting block 76, the connecting column 77 is sleeved in the adapter ring 75, and the connecting column 77 is sleeved on the adapter plate 73.

[0049] Reference Figure 1 and Figure 4As shown, the adapter rod one 72 is hinged with a curved rod 721, the curved rod 721 is hinged with the adapter disc 73, the adapter ring 75 is provided with a connecting rod 751, the adapter rod two 74 is provided with a handle 741, the connecting rod 751 and the handle 741 are hinged through an adapter column, the positioning column 78 is fixedly arranged on the mounting seat 1, and the torsional spring 79 is arranged on the positioning column 78 and connected with the adapter column.

[0050] Referring to Figure 1 and Figure 4 As shown, when the circuit needs to be disconnected, the rotating shaft 71 is driven to rotate, the rotating shaft 71 synchronously drives the adapter rod one 72 and the adapter rod two 74 to rotate, the adapter rod one 72 drives the adapter disc 73 to rotate through the curved rod 721, the adapter disc 73 drives the energy storage spring 2 to deflect through the connecting column 77 and the connecting block 76, so that the spring is compressed downward, when the energy storage spring 2, the adapter ring 75, the connecting rod 751, the adapter column and the handle 741 are in the same horizontal line position, the energy storage of the energy storage spring 2 is completed, at this time, the torsional spring 79 is in a stretched state, and the stability of the energy storage state is maintained, when the first driving mechanism 8 gives a certain trigger force to the torsional spring 79 through the rotating shaft 71, the torsional spring 79 is deflected, the balance state of the energy storage spring 2, the adapter ring 75, the connecting rod 751, the adapter column and the handle 741 is broken, the energy storage of the energy storage spring 2 is released downward, the main drive shaft 13 is deflected, so that the movable contact 12 is separated from the static contact 11, the circuit is disconnected, and at this time, the energy storage spring 2 is in a free state.

[0051] Referring to Figure 1 and Figure 4 As shown, when the circuit needs to be disconnected, the rotating shaft 71 is driven to rotate, the rotating shaft 71 synchronously drives the adapter rod one 72 and the adapter rod two 74 to rotate, the adapter rod one 72 drives the adapter disc 73 to rotate through the curved rod 721, the adapter disc 73 drives the energy storage spring 2 to deflect through the connecting column 77 and the connecting block 76, so that the spring is compressed downward, when the energy storage spring 2, the adapter ring 75, the connecting rod 751, the adapter column and the handle 741 are in the same horizontal line position, the energy storage of the energy storage spring 2 is completed, at this time, the torsional spring 79 is in a stretched state, and the stability of the energy storage state is maintained, when the first driving mechanism 8 gives a certain trigger force to the torsional spring 79 through the rotating shaft 71, the torsional spring 79 is deflected, the balance state of the energy storage spring 2, the adapter ring 75, the connecting rod 751, the adapter column and the handle 741 is broken, the energy storage of the energy storage spring 2 is released downward, the main drive shaft 13 is deflected, so that the movable contact 12 is separated from the static contact 11, the circuit is disconnected, and at this time, the energy storage spring 2 is in a free state.

[0052] Referring to Figure 1 and Figure 5As shown in the figure, the damping mechanism 6 includes a mounting column 61, a hydraulic buffer 62 and a rotating handle 63, the mounting column 61 is fixedly arranged in the mounting base 1, the hydraulic buffer 62 is arranged in the mounting base 1, the hydraulic buffer 62 is rotatably sleeved on the mounting column 61, the rotating handle 63 is hingedly arranged at the output end of the hydraulic buffer 62, and the rotating handle 63 is rotatably sleeved on the main drive shaft 13.

[0053] Referring to Figure 1 and Figure 5 As shown in the figure, when the energy storage spring 2 releases the stored energy instantaneously, the main drive shaft 13 will vibrate up and down, at this time, through the connection mode of the hydraulic buffer 62, the rotating handle 63 and the main drive shaft 13, when the main drive shaft 13 drives the rotating handle 63 to vibrate, the hydraulic buffer 62 can give the rotating handle 63 a certain buffering force, thereby slowing down the vibration of the main drive shaft 13, thereby improving the stability of the rotation of the main drive shaft 13, and further improving the stability of the switch operation.

[0054] Referring to Figure 1 As shown in the figure, the first drive mechanism 8 includes a motor 81, a driving gear one 82 and a driven gear 83, the motor 81 is fixedly arranged in the mounting base 1, the driving gear one 82 is fixed on the output shaft of the motor 81, the driving gear one 82 is rotatably arranged in the mounting base 1, and the axis direction of the driving gear one 82 coincides with the axis direction of the output shaft of the motor 81.

[0055] Referring to Figure 1 As shown in the figure, the driven gear 83 is fixed on the rotating shaft 71, the axis direction of the driven gear 83 coincides with the axis direction of the rotating shaft 71, the driven gear 83 is rotatably arranged in the mounting base 1, and the driving gear one 82 is engaged with the driven gear 83.

[0056] The implementation principle of embodiment 1 is that when it is needed to drive the rotating shaft 71 to rotate, the driving motor 81 drives the driving gear one 82 to rotate, the driving gear one 82 drives the driven gear 83 to rotate, and the driven gear 83 drives the rotating shaft 71 to rotate, thereby facilitating the driving of the rotating shaft 71 to rotate.

[0057] Embodiment 2

[0058] Referring to Figure 1 As shown in the figure, the second drive mechanism 9 includes a selection switch, a rotating shaft 91, a driving gear two 92 and a handle 93, the rotating shaft 91 is rotatably arranged in the mounting base 1, the length direction of the rotating shaft 91 is the same as the length direction of the main drive shaft 13, the driving gear two 92 is fixedly arranged on the rotating shaft 91, the axis direction of the driving gear two 92 coincides with the axis direction of the rotating shaft 91, the driving gear two 92 is rotatably arranged in the mounting base 1, and the driving gear two 92 is engaged with the driven gear 83.

[0059] Referring to Figure 1 Figure 1As shown, the selection switch is arranged in the mounting seat 1, the selection switch is connected with the motor 81, the handle 93 can be sleeved on the rotating shaft 91, and the handle 93 can be rotatably inserted in the mounting seat 1.

[0060] The implementation principle of the embodiment 2 is that when the handle 93 is inserted in the mounting seat 1 and sleeved on the rotating shaft 91, the selection switch controls the motor 81 to be unable to access the circuit, the handle 93 drives the driving gear two 92 to rotate, the driving gear two 92 drives the driven gear 83 to rotate, so as to conveniently drive the rotating shaft 91 to rotate, when the motor 81 circuit occurs a condition, the handle 93 can be manually operated, the safety of the circuit is improved, if the motor 81 needs to drive the rotating shaft 91 to rotate, the handle 93 needs to be pulled out, the selection switch controls the motor 81 to normally work, two modes of driving the rotating shaft 91 to rotate are provided, when the motor 81 works, the handle 93 is avoided from rotating at the same time, and the harm to the workers is avoided.

[0061] The above are preferred embodiments of the application, and do not limit the protection scope of the application, so: equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A DC load switch comprising an active contact (12) for cooperating with a main static contact (11), an energy storage spring (2) for driving the active contact (12) to rotate a main drive shaft (13), and for providing a driving force to the main drive shaft (13), characterized in that: The energy storage spring (2) is arranged in the mounting seat (1), the main drive shaft (13) is rotatably arranged in the mounting seat (1), and an energy storage regulating mechanism (7) is arranged in the mounting seat (1), the energy storage regulating mechanism (7) comprises a rotating shaft (71) rotatably arranged in the mounting seat (1), a first transfer rod (72) fixedly arranged on the rotating shaft (71), an transfer plate (73) rotatably sleeved on the main drive shaft (13), a second transfer rod (74) fixedly arranged on the rotating shaft (71), an transfer ring (75) fixedly arranged on the main drive shaft (13), a connecting block (76) connected to the energy storage spring (2), a connecting column (77) sleeved on the connecting block (76), a positioning column (78) fixedly arranged on the mounting seat (1), and a torsion spring (79) arranged on the positioning column (78), The second transfer rod (74) is arranged beside the first transfer rod (72), the first transfer rod (72) is hinged with a curved rod (721), the curved rod (721) is hinged with the transfer plate (73), the transfer ring (75) is arranged beside the transfer plate (73), the transfer ring (75) is sleeved in the connecting block (76), the connecting column (77) is sleeved in the transfer ring (75), the connecting column (7 7) is provided on the adapter plate (73), a connecting rod (751) is provided on the adapter ring (75), a rotating handle (741) is provided on the second adapter rod (74), the connecting rod (751) and the rotating handle (741) are hingedly connected via an adapter column, the torsion spring (79) is connected to the adapter column, and a first driving mechanism (8) for driving the rotating shaft (71) to rotate is provided in the mounting seat (1).

2. A DC load switch according to claim 1, characterized in that: The first driving mechanism (8) comprises a motor (81) arranged in the mounting seat (1), a driving gear (82) fixed on the output shaft of the motor (81), and a driven gear (83) fixed on the rotating shaft (71); the driving gear (82) is rotatably arranged in the mounting seat (1); the driven gear (83) is rotatably arranged in the mounting seat (1); the driving gear (82) and the driven gear (83) are meshed.

3. A DC load switch according to claim 2, characterized in that: A second driving mechanism (9) for driving the rotating shaft (71) to rotate is provided in the mounting seat (1), the second driving mechanism (9) comprising a selection switch provided in the mounting seat (1), a rotating shaft (91) rotatably provided in the mounting seat (1), a second driving gear (92) fixedly provided on the rotating shaft (91), and a handle (93) sleeved on the rotating shaft (91), wherein the handle (93) is rotatably inserted in the mounting seat (1), the second driving gear (92) is rotatably provided in the mounting seat (1), the second driving gear (92) is meshed with the driven gear (83), and the selection switch is connected to the motor (81).

4. A DC load switch according to claim 1, characterized in that: A shock absorbing mechanism (6) is provided in the mounting seat (1), and the shock absorbing mechanism (6) comprises a mounting column (61) provided in the mounting seat (1), a hydraulic buffer (62) rotatably sleeved on the mounting column (61), and a rotating handle (63) hingedly provided at the output end of the hydraulic buffer (62); the hydraulic buffer (62) is provided in the mounting seat (1), and the rotating handle (63) is rotatably sleeved on the main drive shaft (13).

5. A DC load switch according to claim 1, characterized in that: The main drive shaft (13) is provided with a linkage transfer mechanism (5), and the linkage transfer mechanism (5) comprises an arc moving contact (51) provided next to the active contact (12), an arc static contact (52) provided next to the main static contact (11), a linkage short rod (53) provided on the main drive shaft (13), a linkage long rod (54) hinged on the active contact (12), and a linkage transfer mechanism (55) provided on the main drive shaft (13). ) and a connecting long rod 2 (56) hinged on the arc moving contact (51), the connecting short rod 1 (53) is hinged with the connecting long rod 1 (54), the connecting short rod 2 (55) is hinged with the connecting long rod 2 (56), the arc moving contact (51) can be snapped into the arc static contact (52), and an arc extinguishing mechanism (4) for extinguishing the arc is provided next to the main static contact (11).

6. A DC load switch according to claim 5, characterized in that: A waist-shaped hole is provided on the side surface of the second linkage long rod (56), and the hinge shaft of the second linkage short rod (55) is slidably arranged in the waist-shaped hole.

7. A DC load switch according to claim 5, characterized in that: The arc extinguishing mechanism (4) comprises an arc extinguishing chamber (41) arranged next to the main static contact (11), an arc extinguishing grid (42) arranged in the arc extinguishing chamber (41), and a magnetic blowing coil (43) arranged next to the arc extinguishing grid (42); a sliding groove is provided on the side of the arc extinguishing chamber (41); the arc moving contact (51) is rotatably arranged in the sliding groove; the arc moving contact (51) is rotatably arranged in the arc extinguishing chamber (41); the arc static contact (52) is arranged in the arc extinguishing chamber (41); and the magnetic blowing coil (43) is arranged below the arc static contact (52).

8. A DC load switch according to claim 7, characterized in that: A support mechanism (3) is provided next to the mounting seat (1), and the support mechanism (3) includes a support base (31) provided next to the mounting seat (1), an insulator 1 (32) provided on the support base (31), an insulator 2 (33) provided next to the insulator 1 (32), an insulator 3 (34) provided next to the insulator 2 (33), and an insulator 4 (35) provided next to the insulator 3 (34). A placement seat (321) is provided on the insulator 1 (32), the active contact (12) is rotatably provided on the placement seat (321), a storage seat (331) is provided on the insulator 2 (33), the arc-moving contact (51) is rotatably provided on the storage seat (331), the main static contact (11) is provided on the insulator 3 (34), and the arc extinguishing chamber (41) is provided on the insulator 4 (35).

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