An operating mechanism for a dual power conversion switch

Abstract

The present invention discloses an operating mechanism of a dual power conversion switch, which relates to the field of electrical equipment, and includes a plastic shell, a PCB board, a driving element, a transmission assembly, a release member, and a first handle gear and a second handle gear arranged on both sides of the PCB board, wherein the driving element is linked to the transmission assembly, and the transmission assembly includes a first gear and a second gear respectively arranged on both sides of the PCB board, wherein the circumferential surface of the first handle gear is provided with a section of gear teeth one, and the circumferential surface of the second handle gear is provided with a section of gear teeth two, and the first gear is also provided with a section of gear teeth three adapted to the gear teeth one, and the second gear is provided with a section of gear teeth four adapted to the gear teeth two, and the gear teeth three and the gear teeth four are staggered, and the first handle gear is opened immediately before the closing of the switch, and the release members on both sides of the corresponding PCB board do not have a simultaneous closing position. The present invention has the advantages of simple structure and low cost.

Description

Technical Field

[0001] The invention relates to the field of electrical equipment, and in particular to an operating mechanism of a dual power conversion switch. Background Art

[0002] A dual power switch is a switch that automatically switches to another power source when a power outage occurs. Generally, dual power switches are widely used in high-rise buildings, residential areas, hospitals, airports, docks, fire protection, metallurgy, chemical industry, textiles and other important places where power outages are not allowed.

[0003] However, the multiple operating handles in the existing dual power transfer switch require additional switching mechanisms to achieve one operating handle closing the switch and another operating handle opening the switch, which has a complex structure and increases costs. Summary of the invention

[0004] In order to overcome the shortcomings of the background technology, the present invention provides an operating mechanism for a dual power conversion switch which only requires one motor and has a simple structure.

[0005] The technical solution adopted by the present invention is: an operating mechanism of a dual power conversion switch, which includes a plastic shell, a PCB board, a driving element, a transmission assembly, a release piece, and a first handle gear and a second handle gear arranged on both sides of the PCB board, wherein the inner holes of the first handle gear and the second handle gear are respectively provided with triangular shafts, the driving element is linked to the transmission assembly, and the transmission assembly includes a first gear and a second gear respectively arranged on both sides of the PCB board, a section of gear teeth one is provided on the circumferential surface of the first handle gear, a section of gear teeth two is provided on the circumferential surface of the second handle gear, the first gear is also provided with a section of gear teeth three matched with the gear teeth one, the second gear is provided with a section of gear teeth four matched with the gear teeth two, the gear teeth three and the gear teeth four are staggered, the first handle gear is opened immediately before the closing of the switch starts, and the release pieces on both sides of the corresponding PCB board do not have a simultaneous closing position.

[0006] The gear teeth 1 and the gear teeth 2 are symmetrically arranged, and the arcs of the gear teeth 1 and the gear teeth 2 on their respective circumferential surfaces are the same as the rotation arcs of the first handle gear and the second handle gear.

[0007] The first gear has a circumferential surface with gear tooth three, except for gear tooth three, and the second gear has a circumferential surface with gear tooth four, except for gear tooth four, and the other positions are also low-position circumferential surfaces lower than gear tooth four.

[0008] The transmission assembly also includes a third gear connected to the driving element and a fourth gear simultaneously connected to the first gear and the second gear, the third gear consists of a coaxially arranged and integrally formed gear portion one and a gear portion two, the fourth gear consists of a coaxially arranged and integrally formed gear portion three, a gear portion four and a gear portion five, the gear portion two is meshed with the gear portion four, the gear portion three is arranged on one side of the gear portion four and meshed with the first gear, and the gear portion five is arranged on the other side of the gear portion four and meshed with the second gear.

[0009] The release member is hingedly mounted on the PCB board, and is provided with two release rods with the PCB board as the symmetry center. The outer end surface of the first gear is provided with a column 1 that touches the release rod after rotating at an appropriate angle, and the outer end surface of the second gear is provided with a column 2 that touches the release rod after rotating at an appropriate angle.

[0010] An isolation ring is arranged between the first handle gear and the second handle gear, and one end of each of the triangular shafts is cylindrical and penetrates into the isolation ring.

[0011] The beneficial effects of the present invention are as follows: in this technical solution, by respectively arranging gear teeth one and gear teeth two on the first handle gear and the second handle gear, when the driving element drives the first gear to rotate counterclockwise through the transmission assembly, gear teeth one and gear teeth three on the first gear engage with each other, driving the first handle gear to perform a closing action. After the closing action is completed, the low-position circumferential surface on the first gear will not contact gear teeth one and will idle, while gear teeth two and gear teeth four on the second gear engage with each other and rotate, driving the second handle gear to perform an opening action. This structure can complete the opening and closing actions of the two handles through the unidirectional rotation of the driving element, and only during the opening and closing process will gear teeth three and gear teeth four respectively engage briefly with gear teeth one and gear teeth two to link the driving element and the handle. The structure is simple, the control is convenient, the failure rate is low, and the structure is stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The figure is a schematic structural diagram of the operating mechanism with housing of the dual power conversion switch according to an embodiment of the present invention.

[0013] Figure 2 The figure is a schematic diagram of the structure of the operating mechanism of the dual power conversion switch according to the embodiment of the present invention.

[0014] Figure 3 It is a back structural diagram of the operating mechanism of the dual power conversion switch according to an embodiment of the present invention.

[0015] Figure 4 This is a schematic diagram of the structure of the operating mechanism of the dual power conversion switch after removing the PCB board.

[0016] Figure 5 Schematic diagram of the structure of the first gear.

[0017] Figure 6 Schematic diagram of the structure of the fourth gear.

[0018] Figure 7 It is a schematic diagram of the structure of the first gear, the second gear and the release member.

[0019] Figure 8 It is a schematic diagram of the structure of the third gear. DETAILED DESCRIPTION

[0020] The embodiments of the present invention are further described below in conjunction with the accompanying drawings:

[0021] As shown in the figure, an operating mechanism of a dual power conversion switch includes a plastic shell 1, a PCB board 2, a driving element 3, a transmission assembly, a release member 4, and a first handle gear 5 and a second handle gear 6 arranged on both sides of the PCB board 2, wherein the inner holes of the first handle gear 5 and the second handle gear 6 are respectively provided with a triangular shaft 12, the driving element 3 is linked to the transmission assembly, and the transmission assembly includes a first gear 7 and a second gear 8 respectively arranged on both sides of the PCB board 2, the circumferential surface of the first handle gear 5 is provided with a section of gear teeth 1 51, the circumferential surface of the second handle gear 6 is provided with a section of gear teeth 2 61, the first gear 7 is also provided with a section of gear teeth 3 71 adapted to the gear teeth 1 51, the second gear 8 is provided with a section of gear teeth 4 81 adapted to the gear teeth 2 61, the gear teeth 3 71 and the gear teeth 4 81 are staggered, and the first handle gear 5 is provided with a second gear 81 before the closing of the switch. The handle gear 6 immediately opens the switch. The technical solution arranges gear teeth one 51 and gear teeth two 61 on the first handle gear 5 and the second handle gear 6 respectively. When the driving element 3 drives the first gear 7 to rotate counterclockwise through the transmission assembly, gear teeth one 51 and gear teeth three 71 on the first gear 7 engage with each other, driving the first handle gear 5 to close the switch. After the closing action is completed, the low-position circumferential surface on the first gear 7 will not contact gear teeth one 51 and will idle. At the same time, gear teeth two 61 and gear teeth four 81 on the second gear 8 engage with each other and rotate, driving the second handle gear 6 to open the switch. The structure can complete the opening and closing actions of the two handles through the unidirectional rotation of the driving element 3, and only in the process of opening and closing will gear teeth three 71 and gear teeth four 81 respectively engage with gear teeth one 51 and gear teeth two 61 for a short time to link the driving element 3 and the handle. The structure is simple, easy to control, low in failure rate, stable and reliable.

[0022] The gear teeth 1 51 and the gear teeth 2 61 are symmetrically arranged, and the arcs of the gear teeth 1 51 and the gear teeth 2 61 on their respective circumferential surfaces are the same as the rotation arcs of the first handle gear 5 and the second handle gear 6 .

[0023] The first gear 7 has a circumferential surface with gear teeth three 71 at all positions except gear teeth three 71, and the second gear 8 has a circumferential surface with gear teeth four 81 at all positions except gear teeth four 81. In this embodiment, the first handle gear 5 has no other structure on the circumferential surface except gear teeth one 51. Therefore, when the first gear 7 driven by the driving element 3 rotates, only gear teeth three 71 will mesh with gear teeth one 51 and drive the first handle gear 5 to close the switch. At other times, gear teeth one 51 and the first gear 7 are not in contact. Similarly, gear teeth two 61 and the second gear 8 have the same working principle.

[0024] The transmission assembly also includes a third gear 9 connected to the driving element 3 and a fourth gear 10 connected to the first gear 7 and the second gear 8 at the same time. The third gear 9 is composed of a coaxially arranged and integrally formed gear portion 1 91 and a gear portion 2 92. The fourth gear 10 is composed of a coaxially arranged and integrally formed gear portion 3 101, a gear portion 4 102 and a gear portion 5 103. The gear portion 2 92 is meshed with the gear portion 4 102. The gear portion 3 101 is arranged on one side of the gear portion 4 102 and is meshed with the first gear 7. The gear portion 5 103 is arranged on the other side of the gear portion 4 102 and is meshed with the second gear 8. The driving element 3 adopts a motor, and a worm is installed at the output end of the motor. The third gear 9 is driven to rotate by the worm. The gear portion 2 92 on the third gear 9 is meshed with the gear portion 4 102 on the fourth gear 10 for transmission. The first gear 7 and the second gear 8 are driven to rotate by the gear portion 3 101 and the gear portion 5 103 at both ends of the gear portion 4 102.

[0025] The release member 4 is hingedly mounted on the PCB board 2, and is provided with two release rods 41 with the PCB board 2 as the symmetric center. The outer end surface of the first gear 7 is provided with a column 1 72 which touches the release rod 41 after rotating at an appropriate angle, and the outer end surface of the second gear 8 is provided with a column 2 82 which touches the release rod 41 after rotating at an appropriate angle. When the first gear 7 and the second gear 8 rotate, each time the column 1 72 and the column 2 82 contact the release rod 41, the release rod 41 will be driven to swing, thereby completing the release action.

[0026] An isolation ring 11 is provided between the first handle gear 5 and the second handle gear 6 , one end of each of the triangular shafts 12 is cylindrical and penetrates into the isolation ring 11 , and the two first handle gears 5 and the second handle gears 6 are independent of each other.

[0027] In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0028] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. In addition, in the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0029] Technical personnel should note that although the present invention has been described according to the above specific implementation methods, the inventive concept of the present invention is not limited to this invention, and any modification using the inventive concept will be included in the scope of protection of this patent.

Claims

1. An operating mechanism of a dual power switch, comprising a plastic housing (1), a PCB board (2), a driving element (3), a transmission assembly, a release member (4), and a first handle gear (5) and a second handle gear (6) arranged on both sides of the PCB board (2), wherein a triangular shaft (12) is respectively arranged in the inner hole of the first handle gear (5) and the second handle gear (6), and the driving element (3) is linked to the transmission assembly, characterized in that: The transmission assembly comprises a first gear (7) and a second gear (8) respectively arranged on both sides of the PCB board (2); the first handle gear (5) is provided with a first gear tooth (51) on its circumferential surface; the second handle gear (6) is provided with a second gear tooth (61) on its circumferential surface; the first gear (7) is also provided with a third gear tooth (71) matched with the first gear tooth (51); the second gear (8) is provided with a fourth gear tooth (81) matched with the second gear tooth (61); the third gear tooth (71) and the fourth gear tooth (81) are arranged in a staggered manner; the second handle gear (6) immediately opens the switch before the first handle gear (5) starts closing the switch, and the release members on both sides of the corresponding PCB board do not have a simultaneous closing position; The gear teeth 1 (51) and the gear teeth 2 (61) are symmetrically arranged, and the arcs of the gear teeth 1 (51) and the gear teeth 2 (61) on their respective circumferential surfaces are the same as the rotation arcs of the first handle gear (5) and the second handle gear (6); The first gear (7) has a circumferential surface on which gear tooth three (71) is provided, and other positions except gear tooth three (71) are low-position circumferential surfaces lower than gear tooth three (71); the second gear (8) has a circumferential surface on which gear tooth four (81) is provided, and other positions except gear tooth four (81) are also low-position circumferential surfaces lower than gear tooth four (81).

2. The operating mechanism of the dual power conversion switch according to claim 1 is characterized in that: The transmission assembly further comprises a third gear (9) connected to the driving element (3) and a fourth gear (10) connected to the first gear (7) and the second gear (8), wherein the third gear (9) comprises a coaxially arranged and integrally formed gear portion 1 (91) and a gear portion 2 (92), and the fourth gear (10) comprises a coaxially arranged and integrally formed gear portion 3 (101), a gear portion 4 (102) and a gear portion 5 (103), wherein the gear portion 2 (92) meshes with the gear portion 4 (102), the gear portion 3 (101) is arranged on one side of the gear portion 4 (102) and meshes with the first gear (7), and the gear portion 5 (103) is arranged on the other side of the gear portion 4 (102) and meshes with the second gear (8).

3. The operating mechanism of the dual power conversion switch according to claim 1 is characterized in that: The release member (4) is hingedly mounted on the PCB board (2), and the release member (4) is provided with two release rods (41) with the PCB board (2) as a symmetric center. The outer end surface of the first gear (7) is provided with a first column (72) which contacts the release rod (41) after rotating at an appropriate angle, and the outer end surface of the second gear (8) is provided with a second column (82) which contacts the release rod (41) after rotating at an appropriate angle.

4. The operating mechanism of the dual power conversion switch according to claim 1 is characterized in that: An isolation ring (11) is provided between the first handle gear (5) and the second handle gear (6), and one end of each triangular shaft (12) is cylindrical and penetrates into the isolation ring (11).

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