CN212967595U

CN212967595U - Indoor vacuum contactor-fuse combined electrical apparatus

Info

Publication number: CN212967595U
Application number: CN202022322319.XU
Authority: CN
Inventors: 周强彬; 周文; 代中矿
Original assignee: Zhejiang Tuoyuan Electric Co ltd
Current assignee: Zhejiang Tuoyuan Electric Co ltd
Priority date: 2020-10-19
Filing date: 2020-10-19
Publication date: 2021-04-13
Anticipated expiration: 2030-10-19

Abstract

An indoor vacuum contactor-fuse combined electrical apparatus. The problems that an existing operating mechanism is complex and unreliable in action are solved. The electromagnetic driving mechanism is connected with the transmission pull rod through the suction mechanism and drives the vacuum arc extinguish chamber to be switched on and off through the transmission pull rod. The beneficial effects of the utility model are that, adopt the action of electromagnetic drive mechanism drive vacuum interrupter, the spare part that has significantly reduced for product simple structure, convenient assembling, it is small, can reliably drive the action of vacuum interrupter moreover, can reliably realize that the circuit divides absolutely.

Description

Indoor vacuum contactor-fuse combined electrical apparatus

Technical Field

The utility model relates to a combined electrical apparatus, concretely relates to indoor vacuum contactor-fuse combined electrical apparatus.

Background

A composite appliance is a device which integrates two or more appliances into a whole according to wiring requirements, and the appliances still keep original performances. The structure is compact, the appearance and the installation size are small, the use is convenient, the performance of each electric appliance can be better coordinated and matched, and the electric appliances can be divided into a low-voltage combined electric appliance and a high-voltage combined electric appliance according to the voltage. The existing indoor vacuum contactor-fuse combined electrical apparatus usually comprises an operating mechanism and a vacuum arc-extinguishing chamber, wherein the operating mechanism enables the vacuum arc-extinguishing chamber to be switched on and off through a transmission mechanism so as to realize the on-off of a circuit, and the existing operating mechanism is usually of a mechanical structure, drives the vacuum arc-extinguishing chamber to act through a gear, a crank arm and the like, and has a complex structure and unreliable action.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of complex operation mechanism and unreliable action in the prior art, the utility model provides an indoor vacuum contactor-fuse combined electrical appliance.

The technical scheme of the utility model is that: the utility model provides an indoor vacuum contactor-fuse combined electrical apparatus, includes support body and insulating utmost point post, insulating utmost point post in be equipped with vacuum interrupter, transmission pull rod and fuse, the support body on be equipped with electromagnetic drive mechanism, electromagnetic drive mechanism be connected with the transmission pull rod through the actuation mechanism and drive the action of vacuum interrupter divide-shut brake through the transmission pull rod.

As an improvement of the utility model, the actuation mechanism include rotation axis and fly leaf, electromagnetic drive mechanism be connected with the fly leaf, the fly leaf be connected with the transmission pull rod through the rotation axis, the fly leaf have by electromagnetic drive mechanism drive actuation make vacuum interrupter combined floodgate the primary importance, the second place that keeps and with the third place of electromagnetic drive mechanism separation.

As a further improvement of the utility model, the fly leaf be fixed in on the connecting plate and be connected with the connecting plate linkage, the connecting plate locate on the rotation axis and be connected with the rotation axis linkage.

As a further improvement of the utility model, the rotation axis articulate on the support body, the fly leaf drive connecting plate and rotation axis rotation through the swing, the rotation axis be connected with the transmission pull rod through the drive plate and drive the vertical motion of transmission pull rod and realize the action of vacuum interrupter divide-shut brake.

As a further improvement of the utility model, the movable plate driving device further comprises an elastic part, and the elastic part is connected with the movable plate and has a movement trend for driving the movable plate to keep away from the electromagnetic driving mechanism.

As a further improvement, the support body on be equipped with and be used for making the fly leaf to be in the combined floodgate retaining mechanism of second position, combined floodgate retaining mechanism include the driving piece and keep the pole, the fly leaf on be equipped with the combined floodgate stopper, the pole that keeps have when the fly leaf is in the first position with combined floodgate stopper cooperation keep the first state of fly leaf and by the driving piece drive unblock be convenient for the second state of fly leaf motion.

As a further improvement, the retaining rod is hinged to the frame body, the closing limiting block is provided with a notch groove for the retaining rod to pass through, the notch groove is provided with a limiting column, one end of the retaining rod is provided with an unlocking plate convenient for driving piece driving, and the other end of the retaining rod is provided with a blocking shoulder for limiting the limiting column.

As a further improvement of the utility model, the fuse-breaking interlocking device is still included, the fuse be connected with the unlocking plate through the fuse-breaking interlocking device and can drive the movable plate free motion that the action unblock of holding rod is convenient for through the unlocking plate.

As a further improvement of the utility model, the support body on be equipped with panel, indicator and manual branch floodgate spare, the panel on be equipped with the through-hole that is used for observing the indicator, manual branch floodgate spare be connected with combined floodgate retaining mechanism and be used for the control to keep the pole unblock in the second state.

As a further improvement of the utility model, the rotation axis be connected with the indicator through link assembly and drive the indicator swing through the rotation of rotation axis.

The beneficial effects of the utility model are that, adopt the action of electromagnetic drive mechanism drive vacuum interrupter, the spare part that has significantly reduced for product simple structure, convenient assembling, it is small, can reliably drive the action of vacuum interrupter moreover, can reliably realize that the circuit divides absolutely.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a frame body 1 according to an embodiment of the present invention.

Fig. 3 is a schematic structural view in the other direction of fig. 2.

Fig. 4 is an exploded view of the suction mechanism 6 shown in fig. 3.

Fig. 5 is an exploded view of the closing holding mechanism 7 shown in fig. 3.

Fig. 6 is a schematic sectional structure diagram of a first embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a frame body 1 according to a second embodiment of the present invention.

Fig. 8 is a schematic structural diagram of the closing holding mechanism 7 in fig. 7.

In the figure, 1, a frame body; 11. a panel; 111. a through hole; 12. an indicator; 13. a manual brake separating piece; 2. insulating the pole; 21. a fuse; 3. a vacuum arc-extinguishing chamber; 4. a drive link; 5. an electromagnetic drive mechanism; 6. a suction mechanism; 61. a rotating shaft; 62. a movable plate; 63. a connecting plate; 64. a drive plate; 65. a closing limiting block; 651. a notch groove; 652. a limiting column; 7. a closing holding mechanism; 71. a drive member; 72. a holding rod; 721. a shoulder block; 73. an unlocking plate; 8. a connecting rod assembly; 9. an elastic member; 10. the fuse opening interlocking device; 101. a first link; 102. a second link; 103. rotating the shaft; 104. and a third link.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown by fig. 1 and fig. 2-6, the indoor vacuum contactor-fuse combined electrical apparatus comprises a frame body 1 and an insulating pole 2, wherein a vacuum arc extinguish chamber 3, a transmission pull rod 4 and a fuse 21 are arranged in the insulating pole 2, an electromagnetic driving mechanism 5 is arranged on the frame body 1, and the electromagnetic driving mechanism 5 is connected with the transmission pull rod 4 through a suction mechanism 6 and drives the vacuum arc extinguish chamber 3 to be opened and closed through the transmission pull rod 4. The beneficial effects of the utility model are that, adopt the action of electromagnetic drive mechanism drive vacuum interrupter, the spare part that has significantly reduced for product simple structure, convenient assembling, it is small, can reliably drive the action of vacuum interrupter moreover, can reliably realize that the circuit divides absolutely.

The suction mechanism 6 comprises a rotating shaft 61 and a movable plate 62, the electromagnetic driving mechanism 5 is connected with the movable plate 62, the movable plate 62 is connected with the transmission pull rod 4 through the rotating shaft 61, and the movable plate 62 is provided with a first position, a second position and a third position, wherein the first position, the second position and the third position are driven by the electromagnetic driving mechanism 5 to close the vacuum arc-extinguishing chamber 3, and the third position is separated from the electromagnetic driving mechanism 5. The suction mechanism can rotate or swing the rotating shaft through the rotation or the swing of the movable plate, so that the transmission pull rod is driven to reliably act, the vacuum arc extinguish chamber is separated and combined, the structure is simple, the action is reliable, the number of parts is small, the vacuum arc extinguish chamber is convenient to mount, and the production cost of products is greatly reduced.

The movable plate 62 is fixed on the connecting plate 63 and is linked with the connecting plate 63, and the connecting plate 63 is arranged on the rotating shaft 61 and is linked with the rotating shaft 61. Specifically, the rotating shaft 61 is hinged to the frame body 1, the movable plate 62 drives the connecting plate 63 and the rotating shaft 61 to rotate through swinging, and the rotating shaft 61 is connected with the transmission pull rod 4 through the driving plate 64 and drives the transmission pull rod 4 to move vertically to realize opening and closing actions of the vacuum arc-extinguishing chamber 3. The structure ensures that the product acts reliably, the parts are few, the space on the frame body is reasonably utilized, and the volume of the product is reduced.

The utility model discloses still include elastic component 9, the elastic component be connected with fly leaf 62 and have the motion trend that the electromagnetic drive mechanism 5 was kept away from to drive fly leaf 62. The utility model discloses an optimal mode pushes away the fly leaf through the elastic component and makes the fly leaf reliably reset, simple structure, and the action is reliable, can not influence vacuum interrupter's performance. Of course, the spring can also be directly reset through the spring on the transmission pull rod. Specifically, there are a plurality of electromagnetic drive mechanisms 5, and the plurality of electromagnetic drive mechanisms 5 are arranged side by side. More specifically, the number of the electromagnetic driving mechanisms can be one, two, three or four. The utility model discloses an optimal mode adopts two electromagnetic drive mechanism drive fly leaf actions, makes fly leaf atress balanced like this, is convenient for reliably drive the action of transmission pull rod. More specifically, the elastic component is arranged between the two electromagnetic driving mechanisms, and more specifically, the elastic component is a spring. Of course, a torsion spring or a tension spring can be used instead of the spring in the actual production process.

The frame body 1 is provided with a closing holding mechanism 7 for enabling the movable plate 62 to be located at the second position, the closing holding mechanism 7 comprises a driving member 71 and a holding rod 72, the movable plate 62 is provided with a closing limiting block 65, and the holding rod 72 has a first state for keeping the movable plate 62 in a matching manner with the closing limiting block 65 when the movable plate 62 is located at the first position and a second state for facilitating the movement of the movable plate 62 and driven to be unlocked by the driving member 71. The arrangement of the closing maintaining mechanism can maintain the position of the movable plate in a mechanical mode, so that the energy consumption is reduced, and the product is more energy-saving and environment-friendly.

The holding rod 72 is hinged to the frame body 1, the closing limiting block 65 is provided with a notch 651 for the holding rod 72 to pass through, the notch 651 is internally provided with a limiting column 652, one end of the holding rod 72 is provided with an unlocking plate 73 which is convenient for the driving part 71 to drive, and the other end of the holding rod 72 is provided with a blocking shoulder 721 for limiting the limiting column 652. The structure ensures that the holding rod can reliably hold the movable plate, so that the product is convenient to unlock, and the movable plate is convenient to reliably unlock and reset, so that the vacuum arc extinguish chamber is rapidly opened.

The utility model discloses still include fuse separating brake interlock 10, fuse 21 be connected with unlocking plate 73 through fuse separating brake interlock 10 and can drive through unlocking plate 73 and keep pole 72 action unblock be convenient for fly leaf 62 free motion. Specifically, the opening interlocking device is a link mechanism, specifically, the opening interlocking device comprises a first link 101, a second link 102 and a rotary shaft 103, the first link 101 and the second link 102 are connected with the rotary shaft 103 through a third link 104, the first link 101 is connected with a top rod of the fuse 21, and the second link 102 is connected with an unlocking plate. More specifically, the ejector rod can be ejected after the fuse is fused, at the moment, the ejector rod drives the first connecting rod of the fuse opening interlocking device to act, so that the second connecting rod acts, the second connecting rod drives the unlocking plate to act, so that the retaining rod acts to unlock the closing limiting block, and the movable plate can move reliably. More specifically, the unlocking plate is hinged to the frame body, the holding rod is rotated by the rotation of the unlocking plate, and the driving member 71 can also reliably drive the unlocking plate to rotate so as to unlock the closing limiting block, so that the movable plate can reliably move. Specifically, the first embodiment differs from the second embodiment in the specific structure of the closing holding mechanism 7, but both structures can achieve reliable closing holding and unlocking. Certainly, in the second embodiment, a fuse opening and closing interlocking device is further added from the attached drawing, so that the closing holding mechanism can be driven to act after the fuse is opened, and certainly, a fuse opening and closing interlocking device (not shown in the drawing) can also be arranged in the first embodiment.

The frame body 1 is provided with a panel 11, an indicating piece 12 and a manual brake separating piece 13, the panel 11 is provided with a through hole 111 for observing the indicating piece 12, and the manual brake separating piece 13 is connected with the closing holding mechanism 7 and used for controlling the holding rod 72 to be unlocked and be in the second state. Specifically, the rotating shaft 61 is connected to the indicating member 12 through the connecting rod assembly 8, and the rotating shaft 61 rotates to drive the indicating member 12 to swing. Such structure is convenient for the user reliably to know the state of product, avoids the maloperation.

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", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in accordance with the above embodiments, the inventive concept is not limited to this embodiment, and any modification of the inventive concept will be included in the scope of the patent claims.

Claims

1. An indoor vacuum contactor-fuse combined electrical apparatus comprises a frame body (1) and an insulating pole (2), and is characterized in that a vacuum arc extinguish chamber (3), a transmission pull rod (4) and a fuse (21) are arranged in the insulating pole (2), an electromagnetic driving mechanism (5) is arranged on the frame body (1), and the electromagnetic driving mechanism (5) is connected with the transmission pull rod (4) through a suction mechanism (6) and drives the vacuum arc extinguish chamber (3) to be opened and closed through the transmission pull rod (4).

2. An indoor vacuum contactor-fuse combined electrical apparatus as claimed in claim 1, wherein the engaging mechanism (6) comprises a rotating shaft (61) and a movable plate (62), the electromagnetic driving mechanism (5) is connected with the movable plate (62), the movable plate (62) is connected with the transmission rod (4) through the rotating shaft (61), and the movable plate (62) has a first position for closing the vacuum interrupter (3), a second position for maintaining the first position and a third position separated from the electromagnetic driving mechanism (5) by the electromagnetic driving mechanism (5) for driving the engaging.

3. An indoor vacuum contactor-fuse combination according to claim 2, characterized in that the movable plate (62) is fixed to a connecting plate (63) and is connected to the connecting plate (63) in a linkage manner, and the connecting plate (63) is arranged on the rotary shaft (61) and is connected to the rotary shaft (61) in a linkage manner.

4. The indoor vacuum contactor-fuse combined electrical apparatus as claimed in claim 3, wherein the rotating shaft (61) is hinged to the frame body (1), the movable plate (62) drives the connecting plate (63) and the rotating shaft (61) to rotate through swinging, the rotating shaft (61) is connected with the transmission pull rod (4) through the driving plate (64) and drives the transmission pull rod (4) to move vertically to realize the opening and closing actions of the vacuum interrupter (3).

5. An indoor vacuum contactor-fuse combination according to claim 2 further comprising a resilient member (9) connected to the movable plate (62) and having a tendency to drive the movable plate (62) away from the electromagnetic drive mechanism (5).

6. An indoor vacuum contactor-fuse combination as claimed in claim 2, wherein said frame (1) is provided with a closing holding mechanism (7) for holding the movable plate (62) at the second position, said closing holding mechanism (7) comprises a driving member (71) and a holding rod (72), said movable plate (62) is provided with a closing stopper (65), said holding rod (72) has a first state of holding the movable plate (62) by cooperating with the closing stopper (65) when the movable plate (62) is at the first position and a second state of being unlocked by the driving member (71) for facilitating the movement of the movable plate (62).

7. The indoor vacuum contactor-fuse combined electrical apparatus as claimed in claim 6, wherein the holding rod (72) is hinged on the frame body (1), the closing limiting block (65) is provided with a notch groove (651) for the holding rod (72) to pass through, the notch groove (651) is provided with a limiting post (652), one end of the holding rod (72) is provided with an unlocking plate (73) for driving the driving member (71), and the other end is provided with a shoulder (721) for limiting the limiting post (652).

8. An indoor vacuum contactor-fuse combination as claimed in claim 7, further comprising a fuse opening interlock (10), wherein the fuse (21) is connected to the unlocking plate (73) through the fuse opening interlock (10) and can be unlocked by the unlocking plate (73) driving the holding rod (72) to move freely the movable plate (62).

9. An indoor vacuum contactor-fuse combination as claimed in claim 6, wherein the frame (1) is provided with a panel (11), an indicator (12) and a manual tripping member (13), the panel (11) is provided with a through hole (111) for observing the indicator (12), and the manual tripping member (13) is connected to the closing holding mechanism (7) and is used for controlling the holding lever (72) to be unlocked to be in the second state.

10. An indoor vacuum contactor-fuse combination according to claim 2, characterised in that the rotary shaft (61) is connected to the indicating member (12) by a linkage assembly (8) and the rotary shaft (61) is arranged to rotate to cause the indicating member (12) to oscillate.