Isolation switch with internal auxiliary device

By designing the structure of the push rod driving link pressing the inner auxiliary switch in the isolating switch, the problem of complex and unreliable auxiliary device driving in the prior art is solved, and the stable and reliable switching of the inner auxiliary switch is achieved.

CN222507433UActive Publication Date: 2025-02-18CHINT LOW VOLTAGE ELECTRICAL TECH CO LTD
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Patent Information

Application Number
CN202420189853.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-01-25
Publication Date
2025-02-18
Estimated Expiration
2034-01-25

AI Technical Summary

Technical Problem

The auxiliary device driving structure of the existing isolating switch is complex, the action relationship is complex and unreliable, resulting in the auxiliary device being malfunctioned or not being timely.

Method used

An isolating switch with an internal auxiliary device is designed, and the connecting rod is driven to rotate through the push rod in the operating mechanism unit, and the connecting rod presses the button of the internal auxiliary switch to realize the switching state of the internal auxiliary switch. This structure simplifies the action relationship and improves the stability and reliability of the drive.

Benefits of technology

The stable and reliable switching of the internal auxiliary switch is achieved, malfunctioning is avoided, and the operation reliability of the isolating switch is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The isolating switch with the internal auxiliary device comprises an operating mechanism unit, the operating mechanism unit comprises an operating mechanism unit shell, an energy storage mechanism arranged in the operating mechanism unit shell, an operating shaft and an output shaft, and the operating shaft is rotationally arranged and used for driving the output shaft to rotate through the energy storage mechanism to execute opening and closing operation of the isolating switch. An inner auxiliary device is further arranged in the operating mechanism unit shell, the inner auxiliary device comprises an inner auxiliary switch, a push rod is further arranged in the operating mechanism unit shell, and when the operating shaft drives the output shaft to rotate through the energy storage mechanism to execute opening or closing operation of the disconnecting switch, the operating shaft further drives the push rod to linearly move to trigger the inner auxiliary switch to switch the state. According to the disconnecting switch with the internal auxiliary device, the push rod linked with the operating shaft moves to drive the connecting rod to rotate, so that the connecting rod presses the button of the internal auxiliary switch, the structure is simpler, the action relation is simpler, the driving is stable and reliable, and the connecting rod can press the internal auxiliary switch more stably and reliably.
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Description

Technical Field

[0001] The utility model relates to the field of low-voltage electrical appliances, in particular to an isolating switch with an internal auxiliary device. Background Art

[0002] Isolating switches are mainly used to isolate power, switch off, connect and disconnect circuits. Some existing isolating switches are also equipped with auxiliary devices in addition to the main switch to perform auxiliary functions such as control and indication. The auxiliary devices are usually driven by the action elements in the operating mechanism of the main switch to achieve the auxiliary functions of the auxiliary devices. The existing auxiliary devices have complex driving structures, complex action relationships, and are unreliable, which can lead to problems such as malfunction or untimely action of the auxiliary devices. Summary of the invention

[0003] The utility model aims to overcome at least one defect of the prior art and provide a disconnector with an internal auxiliary device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An isolating switch with an internal auxiliary device comprises an operating mechanism unit, wherein the operating mechanism unit comprises an operating mechanism unit housing, an energy storage mechanism arranged in the operating mechanism unit housing, an operating shaft and an output shaft, the operating shaft is rotatably arranged and is used to drive the output shaft to rotate through the energy storage mechanism to perform the opening and closing operations of the isolating switch, an internal auxiliary device is also arranged in the operating mechanism unit housing, the internal auxiliary device comprises an internal auxiliary switch, and a push rod arranged for linear movement is also arranged in the operating mechanism unit housing, when the operating shaft drives the output shaft to rotate through the energy storage mechanism to perform the opening or closing operation of the isolating switch, the operating shaft also drives the push rod to move linearly to trigger the switching state of the internal auxiliary switch.

[0006] Optionally, the internal auxiliary device includes a rotatable connecting rod, the connecting rod includes a trigger part and a driven part, the trigger part of the connecting rod is pressed and matched with the button of the internal auxiliary switch, the push rod is arranged to move linearly, and the driving part of the push rod is driven and matched with the driven part of the connecting rod; the push rod moves to the driving part to act on the driven part of the connecting rod, driving the connecting rod to rotate around the connecting rod shaft, so that the connecting rod rotates from the first position to the second position, and the trigger part of the connecting rod presses the button of the internal auxiliary switch to realize the switching state of the internal auxiliary switch.

[0007] Optionally, the push rod, the connecting rod and the internal auxiliary switch are arranged in sequence along the moving direction of the push rod, and the moving direction of the push rod is perpendicular to the pressing direction of the button of the internal auxiliary switch and perpendicular to the connecting rod rotation axis.

[0008] Optionally, the driving portion of the push rod is provided with a driving inclined surface inclined relative to the moving direction of the push rod, and the driven portion of the connecting rod has a driven inclined surface matched with the driving inclined surface.

[0009] Optionally, the trigger portion of the connecting rod has a trigger surface corresponding to the pressing surface of the button, and there is an intermediate position between the first position and the second position of the connecting rod. During the switching process between the intermediate position and the second position of the connecting rod, the trigger surface always remains in contact with the pressing surface of the button.

[0010] Optionally, one end of the connecting rod is the triggering part, the other end of the connecting rod is the driven part, and the connecting rod rotating shaft is arranged in the middle of the connecting rod.

[0011] Optionally, the connecting rod also includes a connecting portion located in the middle, and the connecting portion is a U-shaped rod structure. A connecting rod rotating shaft is provided on the outer sides of each arm of the U-shaped connecting portion. The two arms at one end of the U-shaped connecting portion are each bent and connected to an actuated portion, and the other end is fit-connected to the triggering portion. The triggering portion and the actuated portion of the connecting rod are both square rod structures.

[0012] Optionally, the push rod is a square frame structure, and a side frame protrusion of the square frame structure close to the connecting rod forms a driving part for triggering the internal auxiliary switch.

[0013] Optionally, it also includes a reset spring for resetting the connecting rod; when the push rod drives the connecting rod from the first position to the second position, the reset spring stores energy; after the force of the push rod on the connecting rod is removed, the reset spring releases energy, driving the connecting rod from the second position back to the first position.

[0014] Optionally, it also includes a fixing seat, which is provided with an installation cavity corresponding to the internal auxiliary switch and an avoidance hole corresponding to the button of the internal auxiliary switch. The internal auxiliary switch is detachably installed in the installation cavity of the fixing seat, and the button of the internal auxiliary switch extends out of the fixing seat through the avoidance hole. The connecting rod is rotatably installed on the fixing seat through a connecting rod shaft.

[0015] Optionally, a limiting convex rib is provided on the side wall of the mounting cavity of the fixing seat, and a limiting snap-fitting notch that is snap-fitted with the limiting convex rib is provided on the outer wall of the inner auxiliary switch.

[0016] Optionally, the fixing seat is provided with two mounting ears located on both sides of the connecting rod, and the mounting ears are provided with connecting rod rotating shaft holes that are rotatably matched with the connecting rod rotating shaft.

[0017] Optionally, the energy storage mechanism includes a rotating part and an energy storage elastic part connected to the rotating part. A rotatable transmission shaft is also provided in the operating mechanism unit shell. The operating shaft drives the rotating part through the transmission shaft. The rotating part rotates to rotate the energy storage elastic part to a dead point position to store energy. After passing the dead point position, the energy storage elastic part releases energy to drive the rotating part to rotate, thereby driving the output shaft to rotate.

[0018] Optionally, the axial direction of the output shaft is perpendicular to the axial direction of the operating shaft, and the moving direction of the push rod is perpendicular to the axial directions of the operating shaft and the output shaft.

[0019] Optionally, the operating shaft has a first driving gear, and the push rod has a rack structure that can mesh with the first driving gear.

[0020] The isolating switch with an internal auxiliary device of the utility model drives the connecting rod to rotate by moving the push rod linked to the operating shaft so that the connecting rod presses the button of the internal auxiliary switch. The structure is simpler, the action relationship is simpler, the drive is stable and reliable, and the connecting rod presses the internal auxiliary switch more stably and reliably.

[0021] In addition, a driving matching structure consisting of a driving inclined surface and a driven inclined surface is adopted between the push rod and the connecting rod to realize the linear movement of the push rod to drive the connecting rod to rotate. The structure is simple, and the push rod applies force stably and evenly, making the pressing action of the connecting rod smooth.

[0022] In addition, after the trigger part of the connecting rod contacts the button of the internal auxiliary switch, the button will be pressed vertically, thereby achieving positive reliability of the button of the internal auxiliary switch, making the button less likely to be damaged and improving reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the internal auxiliary device of the utility model in the disconnected state;

[0024] Figure 2 is a schematic diagram of the internal auxiliary device of the utility model in the switched-on state;

[0025] Figure 3 It is an assembly diagram of the auxiliary switch assembly in the utility model;

[0026] Figure 4 It is an exploded view of the auxiliary switch assembly in the utility model;

[0027] Figure 5 It is a structural schematic diagram of the connecting rod of the utility model;

[0028] Figure 6 It is a structural schematic diagram of the push rod of the utility model;

[0029] Figure 7 It is a structural schematic diagram of the operating mechanism unit and the external auxiliary device of the utility model;

[0030] Figure 8 It is a schematic diagram of the structure of the operating mechanism unit and the external auxiliary device of the utility model;

[0031] Fig. 9 It is a schematic diagram of the partial structure of the operating mechanism unit of the utility model;

[0032] Fixed seat 1; avoidance hole 11; mounting ear 12; connecting rod shaft hole 13; limiting rib 14; internal auxiliary switch 2; button 21; pressing surface 22; buckle 23; limiting bayonet 24; connecting rod 3; trigger part 31; trigger surface 32; driven part 33; driven inclined surface 34; connecting rod shaft 35; connecting part 36; limiting notch 37; reset spring 4; push rod 5; driving part 51; driving inclined surface 52; rack structure 53; external auxiliary device 6; output shaft 71; operating mechanism unit housing 72; operating shaft 73; second driving gear 731; transmission shaft 74; transmission gear 741; rotating member 75. DETAILED DESCRIPTION

[0033] The specific implementation of the disconnector with internal auxiliary device of the utility model is further described below in conjunction with the embodiments given in the accompanying drawings. The disconnector with internal auxiliary device of the utility model is not limited to the description of the following embodiments.

[0034] like Figure 7-9 As shown, the isolating switch of this embodiment includes an operating mechanism unit and at least one conductive unit, the operating mechanism unit and the conductive unit are stacked, the operating mechanism unit is drivingly connected to the conductive unit to drive the conductive unit to be turned on or off, the conductive unit includes a conductive unit housing and a contact system and an arc extinguishing system arranged in the conductive unit housing and used in conjunction with each other, the contact system includes a moving contact mechanism pivotally arranged on the conductive device housing and a static contact cooperating with the moving contact mechanism, the output shaft 71 of the operating mechanism unit is drivingly connected to the moving contact mechanism to drive it to rotate, so that the moving contact mechanism is closed or disconnected with the static contact, the moving contact mechanisms of adjacent conductive units are drivingly connected, and the conductive unit is used to control the power supply to the load.

[0035] The disconnector of this embodiment may further include at least one external auxiliary device 6, which is stacked on the operating mechanism unit and / or the conductive unit, and the output shaft 71 of the operating mechanism unit is drivingly connected to the external auxiliary device 6, or the movable contact mechanism of the conductive unit is drivingly connected to the external auxiliary device. When the external auxiliary device 6 is stacked on the operating mechanism unit, the output shaft 71 of the operating mechanism unit is directly drivingly connected to the external auxiliary device 6; when the external auxiliary device 6 is stacked on the conductive unit, the output shaft 71 of the operating mechanism unit is drivingly connected to the external auxiliary device 6 by the conductive unit after being drivingly connected to the conductive unit, and the output shaft 71 of the operating mechanism unit drives the external auxiliary device through the conductive unit. The external auxiliary device can be used to feedback the state of the disconnector or perform signal control.

[0036] The operating mechanism unit includes an operating mechanism unit housing 72, an energy storage mechanism disposed in the operating mechanism unit housing 72, an operating shaft 73 and an output shaft 71. When opening and closing the switch, the operating shaft 73 is used to drive the energy storage mechanism to rotate and store energy. After passing the dead point, the energy storage mechanism releases energy to drive the output shaft 71 to quickly rotate to the opening position or the closing position to perform the opening and closing operations of the disconnector. The operating mechanism unit of this embodiment includes an internal auxiliary device disposed in the operating mechanism unit housing 72, which is used to perform control or indicate the state of the disconnector. The internal auxiliary device includes an internal auxiliary switch 2, and a push rod 5 arranged for linear movement is also provided in the operating mechanism unit housing 72. When the operating shaft 73 drives the output shaft 71 to rotate through the energy storage mechanism to perform the opening or closing operations of the disconnector, the operating shaft 73 also drives the push rod 5 to move linearly to trigger the switching state of the internal auxiliary switch 2.

[0037] The energy storage mechanism in this embodiment includes a rotating member 75 and an energy storage elastic member connected to the rotating member 75. A transmission shaft 74 is also provided in the operating mechanism unit housing 72. The operating shaft 73 is rotatably arranged to drive the rotating member 75 to rotate through the transmission shaft 74. One end of the operating shaft 73 extends out of the operating mechanism unit housing 72 for operation. The other end of the operating shaft 73 is linked to the push rod 5 and the transmission shaft 74 respectively. The operating shaft 73 has a first driving gear and a second driving gear 731. The push rod 5 has a rack structure 53 ( Figure 6), the transmission shaft 74 has a transmission gear 741 that can mesh with the second driving gear 731, the energy storage elastic member cooperates with the rotating member 75, the rotating member 75 rotates to rotate the energy storage elastic member to a dead point position to store energy, and the energy storage elastic member releases energy after passing the dead point position to drive the rotating member 75 to rotate, and performs the opening and closing operations; the operating shaft 73 drives the rotating member 75 to rotate through the transmission shaft 74, so that the energy storage elastic member stores energy, and releases energy after the energy storage elastic member passes the dead point to drive the rotating member 75 to rotate rapidly, and the rotating member 75 drives the output shaft 71 to rotate. In this embodiment, the energy storage elastic member is a compression spring (not shown in the figure), and the two compression springs are respectively arranged on both sides of the radial direction of the rotating member 75, one end of the compression spring is connected to the radial side wall of the rotating member 75, and the other end is connected to the operating mechanism unit housing 72. The rotating member 75 and the output shaft 71 can be driven and matched through the boss. After the rotating member 75 rotates a certain angle, the boss contacts the output shaft 71 to drive the output shaft 71 to rotate. There is a rotation space between the two. The transmission shaft 74 and the rotating member 75 are also driven and matched, and have their own rotation space. As other embodiments, the operating shaft 73 can also directly drive the rotating member 75 to rotate, or drive the rotating member 75 to rotate through more components. In this embodiment, the axial direction of the output shaft 71 is perpendicular to the axial direction of the operating shaft 73, the axial directions of the operating shaft 73 and the transmission shaft 74 are parallel, and the moving direction of the push rod 5 is perpendicular to the axial direction of the operating shaft 73 and the axial direction of the output shaft 71. In addition, the output shaft 71 can be directly driven to rotate by the push rod 5.

[0038] like Figure 1-2 As shown, in this embodiment, the internal auxiliary device includes an internal auxiliary switch 2 and a rotatable connecting rod 3, the connecting rod 3 includes a triggering portion 31 and a driven portion 33, the triggering portion 31 of the connecting rod 3 is pressed and matched with the button 21 of the internal auxiliary switch 2, the push rod 5 is arranged to move linearly, and the driving portion 51 of the push rod 5 is driven and matched with the driven portion 33 of the connecting rod 3; the push rod 5 moves to the driving portion 51 to act on the driven portion 33 of the connecting rod 3, driving the connecting rod 3 to rotate around the connecting rod rotating shaft 35, so that the connecting rod 3 rotates from the first position to the second position, triggering the internal auxiliary switch 2 to switch the state, for example, by pressing the button 21 of the internal auxiliary switch 2 through the triggering portion 31 of the connecting rod 3, the internal auxiliary switch 2 is switched from the disconnected state to the connected state, and of course, it can also be switched from the connected state to the disconnected state. Compared with the driving structure of rotation driving rotation, the isolating switch with internal auxiliary device of this embodiment drives the connecting rod 3 to rotate by moving the push rod 5 so that the connecting rod 3 presses the button 21 of the internal auxiliary switch 2. The structure is simpler, the action relationship is simpler, the driving is stable and reliable, and the connecting rod 3 presses the internal auxiliary switch 2 more stably and reliably. It should be noted that the internal auxiliary switch 2 of this embodiment can be a micro switch, etc.

[0039] like Figure 1-2As shown, the positional relationship between the push rod 5, the connecting rod 3 and the internal auxiliary switch 2 of this embodiment is that the push rod 5, the connecting rod 3 and the internal auxiliary switch 2 are arranged in sequence along the moving direction of the push rod 5, and the moving direction of the push rod 5 is perpendicular to the pressing direction of the button 21 of the internal auxiliary switch 2, and is perpendicular to the connecting rod rotating shaft 35. The direction in which the push rod 5 drives the connecting rod 3 is perpendicular to the direction in which the connecting rod 3 presses the internal auxiliary switch 2, and the connecting rod 3 drives the steering, the layout is compact and reasonable, and the internal auxiliary switch 2 may not be centrally arranged on the action mechanism of the isolating switch. Other embodiments of the positional relationship between the push rod 5, the connecting rod 3 and the internal auxiliary switch 2 of this embodiment can also be that the push rod 5, the connecting rod 3 and the internal auxiliary switch 2 are arranged in sequence along the vertical direction of the moving direction of the push rod 5, and the direction in which the push rod 5 drives the connecting rod 3 to move is parallel to and opposite to the pressing direction of the button 21 of the internal auxiliary switch 2, and is perpendicular to the connecting rod rotating shaft 35.

[0040] like Figure 1-2 , Figure 5-6 As shown in the figure, the driving cooperation structure between the push rod 5 and the connecting rod 3 of this embodiment, the driving portion 51 of the push rod 5 is provided with a driving inclined surface 52 inclined relative to the moving direction of the push rod 5, and the driven portion 33 of the connecting rod 3 has a driven inclined surface 34 matched with the driving inclined surface 52. The driving cooperation structure composed of the driving inclined surface 52 and the driven inclined surface 34 is adopted between the push rod 5 and the connecting rod 3, so that the push rod 5 moves linearly to drive the connecting rod 3 to rotate, the structure is simple, the push rod 5 applies force stably and evenly, and the pressing action of the connecting rod 3 is stable.

[0041] like Figure 4-5 As shown, the trigger portion 31 of the connecting rod 3 has a trigger surface 32 corresponding to the pressing surface 22 of the button 21, and there is an intermediate position between the first position and the second position of the connecting rod 3. The intermediate position refers to the initial contact or separation of the pressing surface 22 and the trigger surface 32. During the switching process between the intermediate position and the second position of the connecting rod 3, the trigger surface 32 always keeps in contact with the pressing surface 22 of the button 21. After the trigger portion 31 of the connecting rod 3 contacts the button 21 of the internal auxiliary switch 2, the button 21 is vertically pressed, so as to realize the positive reliability of the button 21 of the internal auxiliary switch 2, so that the button 21 is not easily damaged and the reliability is improved.

[0042] like Figure 4-5As shown, the specific structure of the connecting rod 3 of this embodiment, one end of the connecting rod 3 is the triggering part 31, the other end of the connecting rod 3 is the driven part 33, and the connecting rod shaft 35 is arranged in the middle of the connecting rod 3. The connecting rod 3 is an integrally formed structure, and also includes a connecting part 36 located in the middle, the connecting part 36 is a U-shaped rod structure, and a connecting rod shaft 35 is respectively arranged on the outer sides of the two arms of the U-shaped connecting part 36, and the two arms at one end of the U-shaped connecting part 36 are respectively bent and connected with a driven part 33 so that the driven part 33 is arranged in an inclined manner, and the other end is fitted and connected with the triggering part 31, and the triggering part 31 and the driven part 33 of the connecting rod 3 are both square rod structures, and one end of the triggering part 31 of the connecting rod 3 has a protruding part protruding from the connecting part 36, and the protruding part is opposite to the connecting rod shaft 35, and a limiting notch 37 is arranged on the protruding part. The structure of the connecting rod 3 is simple and easy to manufacture.

[0043] like Figure 6 As shown, the specific structure of the push rod 5 of this embodiment is that the push rod 5 is a square frame structure, and a side frame protrusion of the square frame structure close to the connecting rod 3 forms the driving part 51, and the frame where the driving part 51 is located is perpendicular to the moving direction of the push rod 5. A driving gear for driving the push rod 5 is provided in the square frame structure, and a rack structure 53 meshing with the driving gear is provided on the inner side of the side frame of the frame structure parallel to the moving direction of the push rod 5. A triangular protrusion is also provided on the bottom surface of the square frame structure of the push rod 5 to assist in limiting the rotation range of the output shaft 71.

[0044] like Figure 3-4As shown, the isolating switch with internal auxiliary device of this embodiment also includes a fixing seat 1, the fixing seat 1 is provided with a mounting cavity corresponding to the internal auxiliary switch 2 and an avoidance hole 11 corresponding to the button 21 of the internal auxiliary switch 2, the internal auxiliary switch 2 is detachably mounted in the mounting cavity of the fixing seat 1, the button 21 of the internal auxiliary switch 2 extends out of the fixing seat 1 through the avoidance hole 11, the side wall of the mounting cavity of the fixing seat 1 is provided with a limiting convex rib 14, and the outer wall of the internal auxiliary switch 2 is provided with a limiting bayonet 24 that is engaged with the limiting convex rib 14. The internal auxiliary switch 2 is mounted on the fixing seat 1 by adopting the clamping structure composed of the limiting bayonet 24 and the limiting convex rib 14, and the internal auxiliary switch 2 is convenient and quick to disassemble and assemble. The connecting rod 3 is rotatably mounted on the fixing seat 1 through the connecting rod rotating shaft 35, and the fixing seat 1 is provided with two mounting ears 12 located on both sides of the connecting rod 3, and the mounting ears 12 are provided with a connecting rod rotating shaft hole 13 that is rotatably engaged with the connecting rod rotating shaft 35. The fixing seat 1 forms an independent internal auxiliary switch assembly with the internal auxiliary switch 2 and the connecting rod 3, which can be installed together in the disconnector after assembly, so as to facilitate assembly. The installation cavity of the fixing seat 1 is open on the side opposite to the limiting rib 14, and a buckle 23 is provided on one side of the internal auxiliary switch 2. The buckle 23 extends out of the fixing seat 1 from the opening, and the buckle 23 is used to install the entire internal auxiliary switch assembly in the operating mechanism unit housing 72 by means of a buckle limiting method.

[0045] like Figure 3-4 As shown, the isolating switch with an internal auxiliary device of this embodiment has a plurality of internal auxiliary switches 2, and the plurality of internal auxiliary switches 2 are arranged in a row along the length direction of the trigger portion 31 of the connecting rod 3, so that the trigger portion 31 of the connecting rod 3 can simultaneously press the buttons 21 of the plurality of internal auxiliary switches 2. Accordingly, the fixing base 1 is provided with a plurality of mounting cavities corresponding to the plurality of internal auxiliary switches 2 one by one.

[0046] like Figure 3-4 As shown, the isolating switch with internal auxiliary device of this embodiment also includes a reset spring 4 for resetting the connecting rod 3; when the push rod 5 drives the connecting rod 3 to rotate from the first position to the second position, the reset spring 4 stores energy; after the force of the push rod 5 on the connecting rod 3 is removed, the reset spring 4 releases energy and drives the connecting rod 3 to rotate from the second position back to the first position. Specifically, the reset spring 4 is a torsion spring, which is sleeved on the connecting rod rotating shaft 35, one end of which abuts against the limiting notch 37 of the connecting rod 3, and the other end abuts against the side wall of the avoidance hole 11 of the fixing seat 1. Of course, the reset spring 4 can also be a tension spring or other spring.

[0047] It should be noted that, as another embodiment, the connecting rod 3 may not be provided, and the push rod 5 directly drives the internal auxiliary switch 2 .

[0048] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on directions or positional relationships shown in the drawings, or directions or positional relationships that are usually placed when in use, and are only for the convenience of description, rather than indicating that the device or element referred to must have a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish descriptions, and cannot be understood as indicating relative importance.

[0049] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. An isolating switch with an internal auxiliary device, comprising an operating mechanism unit, wherein the operating mechanism unit comprises an operating mechanism unit housing (72), an energy storage mechanism arranged in the operating mechanism unit housing (72), an operating shaft (73) and an output shaft (71), wherein the operating shaft (73) is rotatably arranged to drive the output shaft (71) to rotate through the energy storage mechanism to perform the opening and closing operations of the isolating switch, characterized in that: An internal auxiliary device is also provided in the operating mechanism unit housing (72), and the internal auxiliary device includes an internal auxiliary switch (2). A push rod (5) arranged to move linearly is also provided in the operating mechanism unit housing (72). When the operating shaft (73) drives the output shaft (71) to rotate through the energy storage mechanism to perform the opening or closing operation of the disconnector, the operating shaft (73) also drives the push rod (5) to move linearly to trigger the switching state of the internal auxiliary switch (2).

2. The disconnector with internal auxiliary device according to claim 1, characterized in that: The internal auxiliary device comprises a rotatably arranged connecting rod (3), wherein the connecting rod (3) comprises a triggering portion (31) and a driven portion (33), wherein the triggering portion (31) of the connecting rod (3) is pressed and matched with a button (21) of an internal auxiliary switch (2), and the push rod (5) is arranged to move linearly, wherein a driving portion (51) of the push rod (5) is driven and matched with the driven portion (33) of the connecting rod (3); the push rod (5) moves to the driving portion (51) to act on the driven portion (33) of the connecting rod (3), thereby driving the connecting rod (3) to rotate around a connecting rod rotating shaft (35), so that the connecting rod (3) rotates from a first position to a second position, and the triggering portion (31) of the connecting rod (3) presses the button (21) of the internal auxiliary switch (2), thereby realizing the switching state of the internal auxiliary switch (2).

3. The disconnector with internal auxiliary device according to claim 2, characterized in that: The push rod (5), the connecting rod (3) and the internal auxiliary switch (2) are arranged in sequence along the moving direction of the push rod (5), and the moving direction of the push rod (5) is perpendicular to the pressing direction of the button (21) of the internal auxiliary switch (2) and is perpendicular to the connecting rod rotating shaft (35).

4. The disconnector with internal auxiliary device according to claim 2, characterized in that: The driving portion (51) of the push rod (5) is provided with a driving inclined surface (52) inclined relative to the moving direction of the push rod (5), and the driven portion (33) of the connecting rod (3) has a driven inclined surface (34) matched with the driving inclined surface (52).

5. The disconnector with internal auxiliary device according to claim 2, characterized in that: The trigger portion (31) of the connecting rod (3) has a trigger surface (32) corresponding to the pressing surface (22) of the button (21), and there is an intermediate position between the first position and the second position of the connecting rod (3). During the switching process between the intermediate position and the second position of the connecting rod (3), the trigger surface (32) always remains in contact with the pressing surface (22) of the button (21).

6. The disconnector with internal auxiliary device according to claim 2, characterized in that: One end of the connecting rod (3) is the triggering portion (31), the other end of the connecting rod (3) is the driven portion (33), and the connecting rod rotating shaft (35) is arranged in the middle of the connecting rod (3).

7. The disconnector with internal auxiliary device according to claim 6, characterized in that: The connecting rod (3) further comprises a connecting portion (36) located in the middle, the connecting portion (36) being a U-shaped rod structure, the two arms of the U-shaped connecting portion (36) being each provided with a connecting rod rotating shaft (35) on the outer side, the two arms at one end of the U-shaped connecting portion (36) being each bent and connected to a driven portion (33), and the other end being fitted and connected to the triggering portion (31), the triggering portion (31) and the driven portion (33) of the connecting rod (3) both being square rod structures.

8. The disconnector with internal auxiliary device according to claim 1, characterized in that: The push rod (5) is a square frame structure, and a side frame protrusion of the square frame structure close to the connecting rod (3) forms a driving part (51) for triggering the internal auxiliary switch (2).

9. The disconnector with internal auxiliary device according to claim 2, characterized in that: It also includes a reset spring (4) for resetting the connecting rod (3); when the push rod (5) drives the connecting rod (3) to rotate from the first position to the second position, the reset spring (4) stores energy; after the force of the push rod (5) on the connecting rod (3) is removed, the reset spring (4) releases energy, driving the connecting rod (3) to rotate from the second position back to the first position.

10. The disconnector with internal auxiliary device according to claim 2, characterized in that: The invention also comprises a fixing seat (1), wherein the fixing seat (1) is provided with a mounting cavity corresponding to the internal auxiliary switch (2) and an avoidance hole (11) corresponding to the button (21) of the internal auxiliary switch (2); the internal auxiliary switch (2) is detachably mounted in the mounting cavity of the fixing seat (1); the button (21) of the internal auxiliary switch (2) extends out of the fixing seat (1) through the avoidance hole (11); and the connecting rod (3) is rotatably mounted on the fixing seat (1) via a connecting rod rotating shaft (35).

11. The disconnector with internal auxiliary device according to claim 10, characterized in that: A limiting convex rib (14) is provided on the side wall of the mounting cavity of the fixing seat (1), and a limiting bayonet (24) which is engaged with the limiting convex rib (14) is provided on the outer wall of the inner auxiliary switch (2).

12. The disconnector with internal auxiliary device according to claim 10, characterized in that: The fixing seat (1) is provided with two mounting ears (12) located on both sides of the connecting rod (3), and the mounting ears (12) are provided with connecting rod rotating shaft holes (13) that are rotatably matched with the connecting rod rotating shaft (35).

13. The disconnector with internal auxiliary device according to claim 1, characterized in that: The energy storage mechanism comprises a rotating member (75) and an energy storage elastic member connected to the rotating member (75); a rotatable transmission shaft (74) is also provided in the operating mechanism unit housing (72); the operating shaft (73) drives the rotating member (75) via the transmission shaft (74); the rotating member (75) rotates to rotate the energy storage elastic member to a dead point position to store energy; after passing the dead point position, the energy storage elastic member releases energy to drive the rotating member (75) to rotate, thereby driving the output shaft (71) to rotate.

14. The disconnector with internal auxiliary device according to claim 1, characterized in that: The axial direction of the output shaft (71) is perpendicular to the axial direction of the operating shaft (73), and the moving direction of the push rod (5) is perpendicular to the axial direction of the operating shaft (73) and the axial direction of the output shaft (71).

15. The disconnector with internal auxiliary device according to claim 1, characterized in that: The operating shaft (73) has a first driving gear, and the push rod (5) has a rack structure (53) that can mesh with the first driving gear.