CN101740273B - Switch device - Google Patents

Abstract

The present invention provides a switch device, which includes a turntable arranged on a rotating shaft, the turntable can be driven to rotate around the turntable, thereby driving the switch contacts installed on the turntable to open or close, wherein, The turntable includes a main turntable and a sub turntable; the switch contacts are arranged on the sub turntable, and when the main turntable rotates, it can drive the sub turntable to rotate, thereby driving the switch contacts to open or close; The auxiliary turntable can be manipulated by a test switch mechanism composed of a link mechanism, so that it can rotate independently of the main turntable and drive the switch contacts to open or close. The switch device proposed by the present invention is mainly used in low-voltage switches, such as electrical accessories, especially alarm switches or auxiliary switches, which can open or close the switch contacts in the switch device without interrupting the operation of the main switch. .

Description

switchgear

technical field

The invention relates to an accessory of a low-voltage electrical appliance, in particular to a switching device of a low-voltage switch.

Background technique

In switchgear, especially low-voltage switches, such as accessories of low-voltage electrical appliances, especially alarm switches or auxiliary switches, the switch contacts of the switchgear are usually installed on a turntable, which is driven by an external mechanism connected to the switchgear, Thereby driving the switch contacts installed on the turntable to open or close.

Fig. 1 shows a schematic structural view of a turntable 100 in a typical switchgear, wherein the turntable 100 includes a disc body 110, and a hole 112 is opened in the disc body 110, and the disc body 110 is rotatably mounted on a base through the hole 112. On the rotating shaft (not shown), one end of the disc body 110 is provided with a connecting shaft 114, and the connecting shaft 114 is connected with an external mechanism (not shown) through, for example, a link mechanism.

The two sides of the disc body 110 of the turntable 100 are respectively provided with several pairs of positioning members 116 for installing the switch contacts 120 . Each switch contact 120 is mounted between a pair of corresponding positioning members 116 , and the switch contact 120 is fixed to the positioning member 116 by a pair of corresponding positioning springs 130 .

During operation, the connecting rod mechanism connected to it is manipulated by the external mechanism to drive the connecting shaft 114, thereby driving the turntable 100 to rotate around the rotation axis of the base, and finally drives the disc body 110 installed on the turntable 100 The switch contact 120 rotates to open or close the switch contact 120 .

However, in some cases, such as when a circuit fails, if the state of each switch contact 120 needs to be detected, the switch contact 120 needs to be driven to rotate to open or close the switch contact 120 . At this time, it is usually necessary to manipulate the external mechanism to drive the connecting shaft 114 to rotate the turntable 100. That is to say, if you want to change the state of the switch contact 120, you must drive the turntable 100 to rotate and then change the rotation of the turntable 100. state.

However, in practical applications, the external mechanism usually belongs to a part of the main switch, or is connected with other operating mechanisms, such as related operating components in the circuit breaker. If the state of the turntable 100 is to be changed, the main switch or these operating components must be The state of a component has changed, which may require interruption of the main switch.

Contents of the invention

Therefore, in order to solve the above technical problems, the present invention aims to provide a switch device capable of opening or closing the switch contacts in the switch device without interrupting the operation of the main switch.

Specifically, a technical problem to be solved by the present invention is to provide a switch device in which the switch contacts are installed on a turntable, and the switch device can be operated without changing the state of the operating part connected to the turntable. , to open or close the switch contacts in the switch device.

Another specific technical problem to be solved by the present invention is to provide a switchgear with a test switch mechanism capable of opening or closing the switch contacts in the switchgear without interrupting the operation of the main switch.

Specifically, another specific technical problem to be solved by the present invention is to provide a switch device in which the switch contacts are installed on a turntable and has a test switch mechanism, which can In the case of the state of the actuating part, the switching contacts in the switching device are opened or closed.

In order to solve the above technical problems, the present invention provides a switch device, which includes a turntable arranged on a rotating shaft, the turntable can be driven to rotate around the turntable, thereby driving the switch contacts installed on the turntable Open or closed, wherein, the turntable includes a main turntable and a sub turntable; the main turntable has a raised edge, and the auxiliary turntable is provided with a protrusion corresponding to the raised edge on the main turntable, and one has The torsion springs of the two torsion legs are sleeved on the bosses of the secondary turntable, one torsion leg of the torsion spring rides on the secondary turntable, and the other torsion leg rides on the convex edge of the main turntable; The switch contacts are arranged on the auxiliary turntable, and when the main turntable rotates, the auxiliary turntable can be driven to rotate, thereby driving the switch contacts to open or close; the auxiliary turntable can rotate independently of the main turntable, And drive the switch contacts to open or close.

Preferably, the main turntable and the auxiliary turntable are concentrically arranged on the rotating shaft, a stopper is set on the sub turntable, and a stopper is also set on the stopper of the main turntable corresponding to the stopper of the auxiliary turntable, when driving When the main turntable rotates around the shaft, the stopper of the main turntable abuts against the stopper of the sub-turntable and pushes the sub-turntable to rotate around the shaft.

Preferably, the switch device further includes a test switch mechanism capable of driving the sub turntable to rotate, and the test switch mechanism is a link mechanism.

Preferably, said test switch mechanism comprises a joystick rotatable around a fixed shaft, said joystick has a manipulation end and a connection end, said fixed rotation shaft is arranged between said manipulation end and said connection end .

Preferably, the connecting end of the joystick is connected to an intermediate rod, and the joystick can drive the secondary turntable to rotate through the middle rod.

Preferably, the connecting end of the joystick is connected to an intermediate rod, and the joystick can drive a sliding rod through the middle rod to drive the secondary turntable to rotate.

Preferably, the sliding rod can rotate around a fixed shaft, the sliding rod has a fixed part, a sliding part and a connecting part, and the fixing part is arranged at the fixed shaft of the sliding rod.

Preferably, the connecting portion of the sliding rod is located between the sliding portion and the fixing portion.

Preferably, the fixing part of the sliding rod is located between the sliding part and the connecting part.

Preferably, the auxiliary turntable has a manipulation chute, and the sliding part is slidably arranged in the manipulation chute.

The switching device proposed by the present invention is mainly used in low-voltage switches, such as electrical accessories, especially in alarm switches or auxiliary switches.

In the alarm switch or auxiliary switch, an external mechanism is manipulated to drive the auxiliary turntable connected to it to make the switch contacts on it open or close.

In particular, when the auxiliary turntable is not driven by the external mechanism and the state of the auxiliary turntable is not expected to change, the auxiliary turntable can be independently driven to rotate, thereby driving the switch contacts to turn to open or close the switch contacts.

That is to say, in practical applications, in order to detect the state of each switch contact without affecting the normal operation of the external mechanism (for example, the main switch) connected to the operating mechanism of the above-mentioned switch device, the present invention is based on the above-mentioned switch device. A test switch mechanism composed of a link mechanism is provided, which enables the switch device to control the rotation of the sub-turntable independently of the main turntable without changing the state of the main turntable therein, thereby Drive the switch contacts to open or close.

Description of drawings

The following drawings only illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

Fig. 1 shows a schematic structural view of a turntable in a typical switchgear;

Fig. 2 shows a cross-sectional view of a switch device according to a specific embodiment of the present invention, wherein the test switch mechanism located in the dotted line part is omitted;

3 is an exploded perspective view of a turntable in a switchgear according to a specific embodiment of the present invention;

What Fig. 4 shows is the schematic structural diagram of the assembly of the turntable in Fig. 3;

Figure 5 shows a structural diagram of a switch device according to a specific embodiment of the present invention;

Figure 6 shows a schematic diagram of the test switch mechanism in Figure 5;

Figure 7 shows a partial perspective view of the test switch mechanism in Figures 5 and 6;

Figure 8 shows a structural diagram of a switch device according to another specific embodiment of the present invention;

Figure 9 shows a schematic diagram of the test switch mechanism in Figure 8;

Fig. 10 shows a structural diagram of a switch device according to yet another specific embodiment of the present invention.

Detailed ways

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described with reference to the accompanying drawings, in which the same symbols represent the same parts.

Fig. 2 shows a cross-sectional view of the switch device 1 according to a specific embodiment of the present invention. For the convenience of illustration, the test switch mechanism 600 located in the dotted line part (which will be described in detail later) is omitted. The switch device 1 is a low-voltage switch, such as an alarm switch, or an auxiliary switch of a main switch. As shown in the figure, the switch device 1 has a turntable 100, the turntable 100 is rotatably mounted on a rotating shaft (not shown) of a base, one end of the turntable 100 is connected with a link mechanism 500, the turntable 100 can be connected to The lever mechanism 500 is connected to the manipulation handle device 400 to drive.

3 and 4 show the specific structure of the turntable 100 in the switchgear 1 according to a specific embodiment of the present invention, wherein, what Fig. 3 shows is an exploded perspective view of the turntable 100, the turntable 100 includes a main turntable 200 and A secondary turntable 300. FIG. 4 shows a schematic diagram of the assembly of the turntable 100 in FIG. 3 .

Referring to FIG. 3 , the main turntable 200 includes a disc body 210 . The disc body 210 defines a hole 212 and is rotatably mounted on a rotating shaft (not shown) of a base through the hole 212 . A connecting shaft 214 is disposed at one end of the disc body 210 . The connecting shaft 214 is connected with the operating mechanism 400, 500, such as the link mechanism 500 (as shown in FIG. 2 ). By operating the operating mechanism, such as the link mechanism 500 and the operating handle device 400, the main turntable 200 can be driven to rotate around the rotation axis of the base through the hole 212 thereof. The disc body 210 of the main turntable 200 is further provided with a stopper 215 and a raised edge 217 for matching with the sub turntable 300 .

Referring to FIG. 4 , the sub turntable 300 includes a disk body 310 . A hole 312 is defined in the disc body 310 and is rotatably mounted on the rotating shaft of the base concentrically with the main turntable 200 through the hole 312 . On both sides of the disc body 310 of the sub turntable 300 are respectively provided several pairs of positioning members 316 for installing the switch contacts 320 . Each switch contact 320 is installed between a pair of positioning members 316 , and the switch contact 320 is fixed to the positioning member 316 by a pair of positioning springs 330 . Wherein, one or more of the positioning springs 330 can also be replaced by a positioning reed 330' or a positioning torsion spring. The disc body 310 of the sub turntable 300 is also provided with a stopper 315 corresponding to the stopper 215 on the disc body 210 of the main turntable 200 .

When the main turntable 200 is driven to rotate by the operating mechanism (for example, the link mechanism 500 and the joystick device 400) connected to the external mechanism (for example, the main switch), the stopper 215 and the auxiliary turntable 300 The stopper 315 abuts against and pushes the auxiliary turntable 300 to rotate around the rotation axis of the base through its hole 312, thereby driving the switch contact 320 mounted on the auxiliary turntable 300 to rotate to open or close the switch contact 320. Protruding columns 317 are provided on the disc body 310 of the sub turntable 300 corresponding to the convex edge 217 on the disc body 210 of the main turntable 200 . When the main turntable 200 and the sub turntable 300 are set up and down concentrically, a torsion spring 340 with two torsion legs is sleeved on the boss 317 of the sub turntable 300, and one torsion leg of the torsion spring 340 Riding on the secondary turntable 300, the other twisted foot rides on the boss 217 of the main turntable 200 (as shown in FIG. 4 in particular).

Preferably, a groove is provided in the boss 317 of the sub turntable 300 , and the torsion foot of the torsion spring 340 resting on the sub turntable 300 rides in the groove of the boss 317 . The main turntable 200 and the sub turntable 300 are connected together by the torsion spring 340 and make the stopper 215 of the main turntable 200 and the stopper 315 of the sub turntable abut against each other, when the stopper 215 of the main turntable 200 After the stopper 315 of the main turntable 200 and the stopper 315 of the sub turntable are separated under the action of an external force, the stopper 215 of the main turntable 200 and the stopper 315 of the sub turntable return to the abutting state by virtue of the elastic force of the torsion spring 340 .

During normal operation, the connecting shaft 214 of the main turntable 200 connected thereto is driven by the external mechanism, thereby driving the main turntable 200 to rotate around the axis of rotation of the base through its hole 212, because the main turntable 200 The stopper 215 on the disc body 210 of the sub-turntable 300 abuts against the stopper 315 on the disc body 310 of the sub-turntable 300, so when the main turntable 200 rotates, the sub-turntable 300 is pushed through its hole 312 around the base The rotating shaft rotates, thereby driving the switch contact 320 installed on the auxiliary turntable 300 to rotate to open or close the switch contact 320 . When it is necessary to drive the switch contact 320 to rotate to open or close the switch contact 320, but it is not desired to change the state of the main turntable 200 connected to the external mechanism, the auxiliary turntable 300 is driven to rotate independently by external force It can drive the switch contact 320 to rotate to open or close the switch contact 320 without changing the state of the main turntable 200. After the above-mentioned external force is cancelled, the elastic force of the torsion spring 340 makes the main turntable The stopper 215 of the 200 and the stopper 315 of the sub-turntable return to the state of abutting against each other.

Referring to Fig. 5, since the switchgear 1 of the present invention provides a main turntable 200 and a sub turntable 300 arranged concentrically, the main turntable 200 is connected with the operating mechanism 400, 500, and the switch contact 320 is arranged on the sub turntable 300 . The main turntable 200 and the auxiliary turntable 300 cooperate with each other through stoppers and torsion springs: when the main turntable 200 is driven to rotate through the operating mechanism 400, 500, the auxiliary turntable 300 can be driven to rotate, thereby driving the switch contact 320 to turn to open or close the switch contacts. The above switch contact 320; when the main turntable 200 is not driven by the operating mechanism 400, 500 and the state of the main turntable 200 is not expected to change, the auxiliary turntable 300 can be independently driven to rotate, thereby driving the switch contact 320 to turn to open or The switching contact 320 is closed.

That is to say, in practical applications, in order to detect the state of each switch contact 320 without affecting the normal operation of the external mechanism connected to the operating mechanism (for example, the linkage mechanism 500 and the operating handle device 400 ) of the above-mentioned switch device 1 To work, the present invention sets an additional test switch on the above-mentioned switch device 1, so that the switch device 1 can control the sub-turntable 300 independently of the The main turntable 200 rotates, thereby driving the switch contacts 320 to open or close.

Specifically, referring to FIG. 5 , there is a manipulation chute 350 on the sub-turntable 300 for driving the sub-turntable 300 to rotate through the test switch mechanism 600 provided by the dotted line in the figure. In order to miniaturize the low-voltage switch, it is necessary to limit the test switch mechanism 600 to the dotted line in the figure as much as possible. Various narrow spaces, such as circuit breakers.

As can be seen from Fig. 5, in order to reduce the volume of the whole switchgear 1 as much as possible, the space occupied by the sub-turntable 300 should be reduced as much as possible, that is, it is necessary to reduce as much as possible from the center of rotation of the sub-turntable 300 (where the holes 212, 312 are located) to the handle. The distance between the chute 350 makes it unnecessary to occupy too much reserved space when the auxiliary turntable 300 rotates. However, if the distance between the center of rotation of the sub-turntable 300 and the control chute 350 is too short, the test switch mechanism 600 may need to provide more parts to obtain a mechanism that takes up little space. Therefore, the present invention needs to provide A mechanism with few components and small space occupation is used to drive the manipulation sliding slot 350 from the limited space on the upper part of the switch device 1 .

FIG. 5 shows a structural diagram of a switch device 1 according to a specific embodiment of the present invention, which has a test switch mechanism 600 , and FIG. 6 shows a schematic diagram of the test switch mechanism 600 in FIG. 5 . As shown in the figure, the test switch mechanism 600 is a link mechanism. Wherein, the test switch mechanism 600 includes a joystick 601 , a middle pole 602 and a slide pole 603 , the slide pole 603 is slidably disposed in the manipulation chute 350 for manipulating the sub turntable 300 to rotate around its rotation center. At this time, if the rotation center of the sub turntable 300 and the control chute 350 are regarded as a connecting rod, then it together with the other three connecting rods: the operating rod 601, the middle rod 602 and the sliding rod 603 constitute a four-bar connection mechanism .

The joystick 601 can rotate around a fixed rotating shaft 611 , and the fixed rotating shaft 611 can be arranged on the housing of the switch device 1 or on the auxiliary turntable 300 . The joystick 600 has a manipulation end 612 and a connection end 613 , and the fixed rotating shaft 611 is disposed between the manipulation end 612 and the connection end 613 . The manipulation end 612 protrudes out of the housing from an opening (not shown) provided on the housing of the switch device 1, and when the state of each switch contact 320 in the switch device 1 is detected, it is driven manually or by other mechanisms. The sub turntable 300 rotates.

The connecting end 613 of the joystick 601 extends in the housing of the switch device 1 and is connected to one end of the middle rod 602, and the other end of the middle rod 602 is connected to the sliding rod 603, so that the joystick 601 can drive the sliding rod through the middle rod 602 603 drives the sub turntable 300 to rotate. The sliding rod 603 can rotate around a fixed shaft 631 . The sliding rod 603 has a fixed portion 632 , a sliding portion 633 and a connecting portion 634 . The fixed portion 632 is disposed on the fixed shaft 631 of the sliding rod 603 . The sliding part 633 can be a slider or a flange, which is caught in the control chute 350 on the sub-turntable 300 and slides relative to the control chute 350 , so as to drive the sub-turntable 300 to rotate.

In a specific embodiment of the present invention as shown in FIGS. One end of the sliding rod 603 is fixed on its fixed shaft 631 so that the sliding rod 603 can rotate around the fixed shaft 631 . The fixed shaft 631 may be disposed on the housing of the switch device 1 or on the sub-turntable 300 . FIG. 7 shows a partial perspective view of the test switch mechanism 600 of FIGS. 5 and 6 .

FIG. 8 shows a structural diagram of a switch device 1 according to another specific embodiment of the present invention, and FIG. 9 shows a schematic diagram of a test switch mechanism 600 in FIG. 8 . As shown in the figure, the test switch mechanism 600 is a link mechanism. Wherein, the test switch mechanism 600 includes a joystick 601 , a middle pole 602 and a slide pole 603 , the slide pole 603 is slidably disposed in the manipulation chute 350 for manipulating the sub turntable 300 to rotate around its rotation center. At this time, if the rotation center of the sub-turntable 300 and the control chute 350 are regarded as a connecting rod, it together with the control rod 601 , the middle rod 602 and the sliding rod 603 constitute a four-bar connection mechanism.

The joystick 601 can rotate around a fixed rotating shaft 611 , and the fixed rotating shaft 611 can be arranged on the housing of the switch device 1 or on the auxiliary turntable 300 . The joystick 600 has a manipulation end 612 and a connection end 613 , and the fixed rotating shaft 611 is disposed between the manipulation end 612 and the connection end 613 . The manipulation end 612 protrudes out of the housing from an opening (not shown) provided on the housing of the switch device 1, and when the state of each switch contact 320 in the switch device 1 is detected, it is driven manually or by other mechanisms. The sub turntable 300 rotates.

The connecting end 613 of the joystick 601 extends in the housing of the switch device 1 and is connected to one end of the middle rod 602, and the other end of the middle rod 602 is connected to the sliding rod 603, so that the joystick 601 can drive the sliding rod through the middle rod 602 603 drives the sub turntable 300 to rotate. The sliding rod 603 can rotate around a fixed shaft 631 . The sliding rod 603 has a fixed portion 632 , a sliding portion 633 and a connecting portion 634 . The fixed portion 632 is disposed on the fixed shaft 631 of the sliding rod 603 . The sliding part 633 can be a slider or a flange, which is used to be caught in the control chute 350 on the sub-turntable 300 and slide relative to the control chute 350 , so as to drive the sub-turntable 300 to rotate.

In another specific embodiment of the present invention shown in Figures 8 and 9, the fixed portion 632 of the sliding rod 603 is located between the sliding portion 633 and the connecting portion 634, that is, the fixed portion 632 of the sliding rod 603 is arranged on the sliding rod 603, and is fixed at its fixed shaft 631, so that the slide bar 603 can rotate around the fixed shaft 631. The fixed shaft 631 may be disposed on the housing of the switch device 1 or on the sub-turntable 300 .

Other structures in the embodiment shown in FIGS. 8 and 9 are basically the same as those of the foregoing embodiments, and will not be repeated here.

Of course, the present invention can be further simplified. For example, FIG. 10 shows a structural diagram of a switch device 1 according to another specific embodiment of the present invention. In the embodiment shown in FIG. 10 , the joystick 601 can be transformed into a turntable or roller that can rotate around a fixed shaft 611 , and a connecting end 613 is eccentrically arranged on it, and the connecting end 613 can be connected to an intermediate rod 602 , the joystick 601 can directly drive the sub-turntable 300 to rotate through the middle lever 602, that is, the other end of the middle lever 602 can have a slider or a flange, which is used to be stuck in the control chute 350 on the sub-turntable 300 and relatively The control chute 350 slides, thereby driving the sub turntable 300 to rotate. At this time, if the rotation center of the sub turntable 300 is regarded as a connecting rod to the steering chute 350, it together with the joystick (rotary disk or roller) 601 and the intermediate rod 602 constitute a connecting rod mechanism.

That is to say, in the specific embodiment shown in FIG. 10 , the sliding bar 603 in the previous embodiments is omitted, and the structure is relatively simpler. Of course, the embodiment shown in FIG. 10 requires relatively more space, because it is necessary to enable the middle lever 602 to directly manipulate the steering chute 350 of the sub-rotary 300, and the center of rotation of the sub-rotary 300 is between the steering chute 350. The distance between them cannot be too short, otherwise the middle rod 602 may not be able to reach the control chute 350 due to the limitation of the moving space.

Conversely, in the embodiment shown in Figures 5-9, since the sliding rod 603 is connected to the middle rod 602, the distance between the rotation center of the sub-turntable 300 and the control chute 350 can be reduced as much as possible, and there is no need to consider The movement space of the intermediate rod 602 is limited, since the actuation slide 350 can be indirectly actuated by means of the sliding rod 603 . Therefore, the embodiments shown in FIGS. 5-9 can occupy less space, thereby realizing the miniaturization of the entire switchgear 1 .

Other structures in the embodiment shown in FIG. 10 are basically the same as those of the foregoing embodiments, and will not be repeated here.

Although the exemplary embodiments of the present invention have been described above in conjunction with the accompanying drawings, it should be understood that the present invention is not limited to the above-mentioned specific embodiments, and other changes or adaptations made by those skilled in the art according to the present invention modifications without departing from the scope and spirit of the invention.

Claims (10)

1. switching device, this switching device (1) comprises the rotating disk (100) that is arranged in the rotating shaft, described rotating disk (100) can drive around described rotating shaft and rotate, the switch contact (320) that is installed on the described rotating disk (100) is opened or closure thereby drive, it is characterized in that

Described rotating disk (100) comprises a main turntable (200) and a secondary rotating disk (300);

Has a convex edge (217) on the described main turntable (200), described convex edge (217) on the corresponding described main turntable of described secondary rotating disk (300) (200) is provided with a projection (317), one has two torsion springs that twist leg (340) is nested with on the projection (317) of described secondary rotating disk (300), one of described torsion spring (340) twists leg and rides on the described secondary rotating disk (300), and another twists leg on the convex edge (217) that rides over described main turntable (200);

Described switch contact (320) is arranged on the described secondary rotating disk (300), and described main turntable (200) can drive described secondary rotating disk (300) and rotate when rotating, and described switch contact (320) is opened or closure thereby drive;

Described secondary rotating disk (300) can be independent of described main turntable (200) and rotate, and drives that described switch contact (320) is opened or closed.

2. according to claim 1 switching device, it is characterized in that: described main turntable (200) is arranged in the described rotating shaft with described secondary rotating disk (300) is concentric, block (315) is set on the described secondary rotating disk (300), the block (315) of the upper corresponding described secondary rotating disk of described main turntable (200) (300) locates also to arrange block (215), when driving described main turntable (300) when described rotating shaft is rotated, the block (215) of described main turntable (200) leans and promotes described secondary rotating disk (300) with the block (315) of described secondary rotating disk (300) and rotates around described rotating shaft.

3. according to claim 1 and 2 switching device, it is characterized in that: described switching device (1) comprises that also can drive the Test Switchboard mechanism (600) that described secondary rotating disk (300) rotates, and described Test Switchboard mechanism (600) is a linkage.

4. according to claim 3 switching device, it is characterized in that: described Test Switchboard mechanism (600) comprises a joystick (601) that can rotate around a fixed rotating shaft (611), described joystick (601) has a manipulatable end (612) and a link (613), and described fixed rotating shaft (611) is arranged between described manipulatable end (612) and the described link (613).

5. according to claim 4 switching device, it is characterized in that: the link (613) of described joystick (601) is connected with an intermediate bar (602), and described joystick (601) can drive described secondary rotating disk (300) by this intermediate bar (602) and rotate.

6. according to claim 4 switching device, it is characterized in that: the link (613) of described joystick (601) is connected with an intermediate bar (602), and described joystick (601) can drive a sliding bar (603) by this intermediate bar (602) and drive described secondary rotating disk (300) rotation.

7. according to claim 6 switching device, it is characterized in that: described sliding bar (603) can rotate around a fixed axis (631), described sliding bar (603) has a fixed part (632), a sliding part (633) and a connecting portion (634), and described fixed part (632) is arranged at the fixed axis (631) of described sliding bar (603) and locates.

8. according to claim 7 switching device, it is characterized in that: the connecting portion (634) of described sliding bar (603) is positioned between described sliding part (633) and the described fixed part (632).

9. according to claim 7 switching device, it is characterized in that: the fixed part (632) of described sliding bar (603) is positioned between described sliding part (633) and the described connecting portion (634).

10. switching device one of according to claim 7-8 is characterized in that: have one on the described secondary rotating disk (300) and handle chute (350), described sliding part (633) is slidably disposed in the described manipulation chute (350).

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