CN209785793U

CN209785793U - Combined electrical apparatus with cabinet door interlocking function

Info

Publication number: CN209785793U
Application number: CN201920657185.1U
Authority: CN
Inventors: 周文
Original assignee: Zhejiang Tuoyuan Electric Co Ltd
Current assignee: Zhejiang Tuoyuan Electric Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2019-12-13
Anticipated expiration: 2029-05-07

Abstract

a combined electrical appliance with a cabinet door interlocking function. The problem of current combined electrical apparatus only have one-way interlocking between cabinet door and earthing switch, have great potential safety hazard is solved. It includes support body, mechanism case and first interlocking device, the support body on be equipped with earthing switch and ground connection operation axis, first interlocking device include cabinet door interlocking subassembly and ground connection interlocking subassembly, cabinet door interlocking subassembly have when earthing switch opens the first position of interlocking cabinet door and unblock cabinet door make the cabinet door can the free rotation the second position when earthing switch is closed, ground connection interlocking subassembly have the first state and the unblock of interlocking ground connection operation axis make the free rotation the second state of ground connection operation axis after the cabinet door is opened, cabinet door interlocking subassembly when being in the second position ground connection interlocking subassembly be in the second state. The utility model discloses simple structure still has, convenient assembling, and the interlocking is reliable, advantages such as long service life.

Description

Combined electrical apparatus with cabinet door interlocking function

Technical Field

The utility model relates to a combined electrical apparatus, concretely relates to combined electrical apparatus with cabinet door interlocking function.

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 high-voltage combined electrical apparatus is divided into an open type and a totally enclosed type according to an insulation structure. The former uses an isolating switch or a breaker as a main body and combines a current transformer, a voltage transformer, a cable head and other elements together. In the latter, the high-voltage charged parts of the components are sealed in a grounded metal shell, the shell is filled with gas, oil or solid insulating medium with good insulating property, and the components (generally comprising a circuit breaker, a disconnecting switch, a grounding switch, a voltage transformer, a current transformer, a bus, a lightning arrester, a cable terminal and the like) are sequentially connected and integrated into a whole according to the wiring requirement. The existing combined electrical appliance is simple in structure, does not have the forward cabinet door interlocking function, particularly can still operate the cabinet door when the grounding switch is opened, can still operate the grounding switch when the cabinet door is opened, and has great potential safety hazard.

SUMMERY OF THE UTILITY MODEL

For only having one-way interlocking between cabinet door and earthing switch for solving current combined electrical apparatus among the background art, there is the problem of great potential safety hazard, the utility model provides a combined electrical apparatus with cabinet door interlocking function.

The technical scheme of the utility model is that: the utility model provides a combined electrical apparatus with cabinet door interlocking function, includes support body and mechanism case, the support body on be equipped with earthing switch and be used for operating earthing switch and open or the closed ground connection operating axis, the first interlocking device that still includes, first interlocking device include cabinet door interlocking subassembly and ground connection interlocking subassembly, cabinet door interlocking subassembly have when earthing switch opens the first position of interlocking cabinet door and unblock cabinet door make cabinet door freely pivoted second position when earthing switch is closed, ground connection interlocking subassembly have when the cabinet door is opened the first state and unblock of interlocking ground connection operating axis make ground connection operating axis freely pivoted second state, cabinet door interlocking subassembly when the second position ground connection interlocking subassembly be in the second state.

As an improvement of the utility model, cabinet door interlocking subassembly include cabinet door jam plate and fly leaf, the fly leaf insert the cabinet door jam plate when cabinet door interlocking subassembly is in the first position and realize the cabinet door interlocking.

As a further improvement, the cabinet door lock plate is fixed on the cabinet door, and the movable plate is arranged on the grounding operation shaft and drives the reciprocating motion of the movable plate by the grounding operation shaft.

As the utility model discloses a further improvement, the fly leaf locate the mechanism incasement, ground connection operation axle be connected with the fly leaf through ground connection turning arm and drive the reciprocal linear motion of fly leaf mechanism case relatively, the fly leaf wear out when cabinet door interlocking subassembly is in the first position that the mechanism case inserts in the cabinet door jam plate and mutually support with the cabinet door jam plate and realize the cabinet door interlocking.

As a further improvement of the present invention, the ground interlock subassembly include interlocking lever and drive plate, the interlocking lever have the first position of interlocking ground operating axis after the cabinet door is opened and the second position of passing through the drive plate drive unblock by the cabinet door after the cabinet door is closed.

As a further improvement, the ground connection operation axis on be equipped with the breach groove, the interlocking lever insert the breach inslot after the cabinet door is opened and realize the interlocking with the ground connection operation axis.

As a further improvement of the utility model, the drive plate articulate in mechanism incasement, the drive plate be connected with the interlocking lever through the round pin axle, the rotation through the drive plate when the cabinet door is closed drives interlocking lever linear motion, round pin axle and mechanism incasement wall between be equipped with the piece that resets, the piece that resets have the motion trend that the drive interlocking lever inserted the breach groove.

As the utility model discloses a further improvement still includes second interlocking mechanism, circuit breaker and circuit breaker action axle, second interlocking mechanism include ground connection driving piece, ground connection transmission subassembly and combined floodgate interlocking part, the ground connection driving piece be connected with combined floodgate interlocking part through ground connection transmission subassembly, combined floodgate interlocking part have when ground connection switch is closed with circuit breaker action axle interlocking avoid the first position of circuit breaker combined floodgate and the second position of unblock when ground connection switch is opened.

As a further improvement, the mechanism case on be equipped with the combined floodgate button that is used for controlling the circuit breaker combined floodgate, combined floodgate button be connected with the circuit breaker action shaft through combined floodgate drive assembly and have and be used for controlling the circuit breaker combined floodgate, combined floodgate interlocking part interlock with combined floodgate drive assembly when ground connection switch closes mutually.

As a further improvement, the ground connection drive assembly include first driving medium and second driving medium, the ground connection driving medium locate on the ground connection operation axis and with ground connection operation axis linkage connection, the ground connection driving medium be connected with first driving medium, the second driving medium be connected with combined floodgate interlocking piece, the ground connection driving medium rotate and spacing combined floodgate drive assembly through the vertical motion drive combined floodgate interlocking piece of first driving medium, second driving medium when ground switch is closed.

The beneficial effects of the utility model are that, set up cabinet door interlocking subassembly and ground connection interlocking subassembly for can realize forward interlocking and reverse interlocking between earthing switch and the cabinet door, thereby make only cabinet door just can the switch when earthing switch is closed, earthing switch could operate when the cabinet door is closed, simple structure, the interlocking is reliable. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, advantages such as long service life.

Drawings

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

Fig. 2 is a schematic structural diagram of another direction of the embodiment of the present invention.

Fig. 3 is a schematic view of fig. 1 with the mechanism case 2 removed.

Fig. 4 is a schematic structural view in another direction of fig. 3.

Fig. 5 is a schematic structural diagram of the mechanism box 2 according to the embodiment of the present invention.

Fig. 6 is a schematic view of the second interlocking mechanism 7 shown in fig. 3.

In the figure, 1, a frame body; 2. a mechanism box; 21. a closing button; 22. a closing transmission assembly; 3. a grounding switch; 31. a ground operating shaft; 311. a notch groove; 4. a first interlock mechanism; 5. a cabinet door interlock assembly; 51. a cabinet door lock plate; 52. a movable plate; 53. a grounding crank arm; 6. a ground interlock assembly; 61. an interlock lever; 62. a drive plate; 63. a pin shaft; 64. a reset member; 7. a second interlocking mechanism; 71. a ground drive member; 72. a ground drive assembly; 721. a first transmission member; 722. a second transmission member; 73. a switching-on interlocking member; 8. a circuit breaker; 81. breaker action axle.

Detailed Description

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

As shown in fig. 1 and fig. 2-6, a combined electrical appliance with cabinet door interlocking function comprises a frame body 1 and a mechanism box 2, the frame body 1 is provided with an earthing switch 3, an earthing operation shaft 31 for operating the earthing switch 3 to be opened or closed, and a first interlocking mechanism 4, the first interlocking mechanism 4 comprises a cabinet door interlocking component 5 and a grounding interlocking component 6, the cabinet door interlocking component 5 has a first position for interlocking the cabinet door when the grounding switch 3 is opened and a second position for unlocking the cabinet door when the grounding switch 3 is closed so that the cabinet door can rotate freely, the grounding interlocking assembly 6 has a first state of interlocking the grounding operation shaft 31 after the cabinet door is opened and a second state of unlocking to enable the grounding operation shaft 31 to rotate freely, and when the cabinet door interlocking component 5 is in the second position, the grounding interlocking component 6 is in the second state. The beneficial effects of the utility model are that, set up cabinet door interlocking subassembly and ground connection interlocking subassembly for can realize forward interlocking and reverse interlocking between earthing switch and the cabinet door, thereby make only cabinet door just can the switch when earthing switch is closed, earthing switch could operate when the cabinet door is closed, simple structure, the interlocking is reliable. The utility model discloses simple structure still has, convenient assembling, and the action is reliable, advantages such as long service life.

The cabinet door interlocking assembly 5 comprises a cabinet door lock plate 51 and a movable plate 52, and the movable plate 52 is inserted into the cabinet door lock plate 51 when the cabinet door interlocking assembly 5 is in the first position to realize cabinet door interlocking. Specifically, the cabinet door lock plate 51 is fixed on the cabinet door, and the movable plate 52 is disposed on the grounding operation shaft 31 and driven by the grounding operation shaft 31 to reciprocate. The interlocking of earthing switch and cabinet door is realized through the cooperation of fly leaf and cabinet door jam plate to make the product interlocking reliable, the security performance is high.

The movable plate 52 is arranged in the mechanism box 2, the grounding operation shaft 31 is connected with the movable plate 52 through the grounding crank arm 53 and drives the movable plate 52 to do reciprocating linear motion relative to the mechanism box 2, and the movable plate 52 penetrates through the mechanism box 2 and is inserted into the cabinet door lock plate 51 to be matched with the cabinet door lock plate 51 to realize cabinet door interlocking when the cabinet door interlocking component 5 is at the first position. The horizontal movement through the fly leaf can reliably insert the cabinet door and reliably realize when earthing switch separating brake reliably realize cabinet door interlocking, and the interlocking is reliable, simple structure.

The grounding interlocking assembly 6 comprises an interlocking rod 61 and a driving plate 62, wherein the interlocking rod 61 has a first position for interlocking the grounding operation shaft 31 after the cabinet door is opened and a second position for being driven by the cabinet door through the driving plate 62 to be unlocked after the cabinet door is closed. Specifically, the grounding operation shaft 31 is provided with a notch 311, and the interlocking rod 61 is inserted into the notch 311 after the cabinet door is opened to interlock with the grounding operation shaft 31. The interlocking of the grounding operation shaft is reliably realized through the movement of the interlocking rod, when the cabinet door is opened, the interlocking rod is inserted into the notch groove of the grounding operation shaft to realize the interlocking of the grounding switch, and the interlocking is reliable and has a simple structure.

The driving plate 62 is hinged in the mechanism box 2, the driving plate 62 is connected with the interlocking rod 61 through a pin shaft 63, the interlocking rod 61 is driven to move linearly through the rotation of the driving plate 62 when the cabinet door is closed, a reset piece 64 is arranged between the pin shaft 63 and the inner wall of the mechanism box 2, and the reset piece 64 has a movement trend of driving the interlocking rod 61 to be inserted into the notch 311. Such structure is through the rotation drive interlocking lever unblock of drive plate, simple structure, and the action is reliable, can avoid ground connection operation axle to be interlocked by the cabinet door when the cabinet door is closed, when the cabinet door is opened, can realize quick interlocking, simple structure, and the interlocking is reliable, and the response is fast.

The utility model discloses still include second interlocking mechanism 7, circuit breaker 8 and circuit breaker action axle 81, second interlocking mechanism 7 include ground connection driving piece 71, ground connection transmission assembly 72 and closing interlocking piece 73, ground connection driving piece 71 be connected with closing interlocking piece 73 through ground connection transmission assembly 72, closing interlocking piece 73 have when earthing switch 3 is closed with circuit breaker action axle 81 interlocking avoid the first position that circuit breaker 8 closed a floodgate and the second position of unblock when earthing switch 3 opens. The utility model discloses combined floodgate interlocking spare has been set up, the rotation through the ground connection driving piece drives the vertical motion of ground connection drive assembly to realize the interlocking and the unblock of combined floodgate interlocking spare. Specifically, the closing interlocking member is hinged in the mechanism box and is in running fit with the mechanism box. The grounding driving piece is arranged on the grounding operation shaft and is in linkage connection with the grounding operation shaft. The rotation through the ground connection operation axle that can be reliable like this realizes the circuit breaker interlocking, avoids closing a floodgate circuit breaker when earthing switch is closed to cause personnel's loss of property.

The mechanism box 2 is provided with a closing button 21 for controlling the closing of the breaker 8, the closing button 21 is connected with the breaker action shaft 81 through a closing transmission assembly 22 and is used for controlling the closing of the breaker 8, and the closing interlocking piece 73 is interlocked with the closing transmission assembly 22 when the grounding switch 3 is closed. Specifically, the closing button enables the breaker action shaft to act through the closing transmission assembly, the closing transmission assembly and the breaker opening and closing and energy storage mechanism can be operated by the existing operating mechanism, and the closing interlocking piece is interlocked with the closing transmission assembly when the grounding switch is closed. Specifically, the interlocking of the earthing switch operating shaft to the closing function of the circuit breaker is realized through the rotation of the limiting closing transmission assembly.

The grounding transmission assembly 72 includes a first transmission member 721 and a second transmission member 722, the grounding driving member 71 is disposed on the grounding operation shaft 31 and is linked with the grounding operation shaft 31, the grounding driving member 71 is connected with the first transmission member 721, the second transmission member 722 is connected with the closing interlocking member 73, and the grounding driving member 71 drives the closing interlocking member 73 to rotate and limit the closing transmission assembly 22 through the vertical movement of the first transmission member 721 and the second transmission member 722 when the grounding switch 3 is closed. More specifically, the switching-on interlocking piece is provided with a driving groove and a limiting part, the second transmission part is provided with a driving part inserted into the driving groove and used for driving the switching-on interlocking piece to rotate, and the second transmission part is provided with an elastic piece. The driving part is convenient to reliably and quickly drive the driving switch-on interlocking part to rotate, and the elastic part is convenient to reset and ensure the reliable interlocking effect, so that the product is reliable in interlocking, simple in structure and stable in action.

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. A combined electrical appliance with a cabinet door interlocking function comprises a frame body (1) and a mechanism box (2), wherein a grounding switch (3) and a grounding operation shaft (31) used for operating the grounding switch (3) to be opened or closed are arranged on the frame body (1), and the combined electrical appliance is characterized by further comprising a first interlocking mechanism (4), the first interlocking mechanism (4) comprises a cabinet door interlocking component (5) and a grounding interlocking component (6), the cabinet door interlocking component (5) comprises a first position for interlocking a cabinet door when the grounding switch (3) is opened and a second position for unlocking the cabinet door to enable the cabinet door to freely rotate when the grounding switch (3) is closed, the grounding interlocking component (6) comprises a first state for interlocking the grounding operation shaft (31) after the cabinet door is opened and a second state for unlocking to enable the grounding operation shaft (31) to freely rotate, and the grounding interlocking component (6) is located at the second position when the cabinet door interlocking component (5) is located at the second position And a second state.

2. The combined electrical appliance with the cabinet door interlocking function according to claim 1, wherein the cabinet door interlocking assembly (5) comprises a cabinet door locking plate (51) and a movable plate (52), and the movable plate (52) is inserted into the cabinet door locking plate (51) when the cabinet door interlocking assembly (5) is in the first position to realize the cabinet door interlocking.

3. The combined electrical apparatus with cabinet door interlocking function according to claim 2, characterized in that the cabinet door lock plate (51) is fixed on the cabinet door, and the movable plate (52) is arranged on the grounding operation shaft (31) and driven by the grounding operation shaft (31) to reciprocate.

4. The combined electrical apparatus with the cabinet door interlocking function according to claim 3, characterized in that the movable plate (52) is arranged in the mechanism box (2), the grounding operation shaft (31) is connected with the movable plate (52) through a grounding crank arm (53) and drives the movable plate (52) to reciprocate linearly relative to the mechanism box (2), and the movable plate (52) penetrates through the mechanism box (2) and is inserted into the cabinet door locking plate (51) to be matched with the cabinet door locking plate (51) when the cabinet door interlocking assembly (5) is in the first position, so as to realize the cabinet door interlocking.

5. A combined electrical appliance with cabinet door interlocking function according to claim 1, characterized in that said grounding interlocking assembly (6) comprises an interlocking lever (61) and a driving plate (62), said interlocking lever (61) having a first position interlocking the grounding operating shaft (31) after the cabinet door is opened and a second position unlocked by the cabinet door driven by the driving plate (62) after the cabinet door is closed.

6. A combined electrical apparatus with cabinet door interlocking function according to claim 5 is characterized in that the grounding operation shaft (31) is provided with a notch groove (311), and the interlocking rod (61) is inserted into the notch groove (311) after the cabinet door is opened to realize interlocking with the grounding operation shaft (31).

7. The combined electrical apparatus with cabinet door interlocking function according to claim 6, characterized in that the driving plate (62) is hinged in the mechanism box (2), the driving plate (62) is connected with the interlocking rod (61) through a pin shaft (63), the interlocking rod (61) is driven to linearly move by the rotation of the driving plate (62) when the cabinet door is closed, a reset piece (64) is arranged between the pin shaft (63) and the inner wall of the mechanism box (2), and the reset piece (64) has a movement tendency of driving the interlocking rod (61) to be inserted into the notch groove (311).

8. The combined electrical appliance with the cabinet door interlocking function according to claim 1, characterized by further comprising a second interlocking mechanism (7), a circuit breaker (8) and a circuit breaker action shaft (81), wherein the second interlocking mechanism (7) comprises a grounding driving member (71), a grounding transmission assembly (72) and a closing interlocking member (73), the grounding driving member (71) is connected with the closing interlocking member (73) through the grounding transmission assembly (72), and the closing interlocking member (73) has a first position which is interlocked with the circuit breaker action shaft (81) when the grounding switch (3) is closed to avoid the closing of the circuit breaker (8) and a second position which is unlocked when the grounding switch (3) is opened.

9. The combined electrical appliance with the cabinet door interlocking function according to claim 8, characterized in that the mechanism box (2) is provided with a closing button (21) for controlling the closing of the circuit breaker (8), the closing button (21) is connected with the circuit breaker action shaft (81) through a closing transmission component (22) and is used for controlling the closing of the circuit breaker (8), and the closing interlocking member (73) is interlocked with the closing transmission component (22) when the grounding switch (3) is closed.

10. The combined electrical apparatus with the cabinet door interlocking function according to claim 9, wherein the grounding transmission assembly (72) comprises a first transmission member (721) and a second transmission member (722), the grounding driving member (71) is disposed on the grounding operation shaft (31) and is linked with the grounding operation shaft (31), the grounding driving member (71) is connected with the first transmission member (721), the second transmission member (722) is connected with the closing interlocking member (73), and the grounding driving member (71) drives the closing interlocking member (73) to rotate and limit the closing transmission assembly (22) through the vertical movement of the first transmission member (721) and the second transmission member (722) when the grounding switch (3) is closed.