CN213583676U - Operating handle of switch - Google Patents

Abstract

An operating handle of a switch belongs to the technical field of low-voltage electrical appliances. The switch includes handle, operating handle, and the handle moves between primary importance and second position, realizes the divide-shut brake operation of switch, and the characteristics are: the operating handle comprises an auxiliary operating part, a hinged shaft and a pair of torsional springs, the handle and the auxiliary operating part are hinged through the hinged shaft, and the pair of torsional springs are arranged on the hinged shaft in a penetrating manner; the auxiliary operating piece has an operating position and a storage position relative to the handle, when the auxiliary operating piece is located at the operating position relative to the handle, the auxiliary operating piece is driven to drive the handle to move from the first position to the second position or from the second position to the first position, when the handle is driven by external force to reach the first position or the second position, the external force is removed, and the auxiliary operating piece returns to the storage position relative to the handle from the operating position relative to the handle under the action of the torsion spring. The advantages are that: the switch is labor-saving and convenient to operate, the size of the switch with the auxiliary handle is optimized, and the preservability of the auxiliary handle is considered.

Description

Operating handle of switch

Technical Field

The utility model belongs to the technical field of low-voltage apparatus, concretely relates to operating handle of switch.

Background

Switches, such as molded case circuit breakers, are widely used in low voltage power supply and distribution systems due to their excellent protection characteristics. When a circuit has a problem, the switch is switched off through manual or electric operation, and when the circuit fault is eliminated, the switch is switched on through manual or electric operation, so that the safety of a power system and the continuity of production are ensured. At present, a switch generally comprises a housing, wherein an operating mechanism, a contact assembly, an arc extinguishing system and other parts are arranged in the housing, the switch further comprises a handle, the handle is provided with an operating handle part exposed out of the housing and a driving part which is positioned in the housing and connected with the operating mechanism, and the handle exposes the operating handle part out of the housing through an operating hole formed in the housing, so that the switch is convenient to operate.

The opening and closing actions of the switch are carried out by pulling the handle, and when the switch is operated manually, an operator pulls the operating handle part of the handle to drive the operating mechanism in the switch, so that the opening and closing operations of the switch are realized.

However, the size of the switch handle is small, the shifting is inconvenient, in order to overcome the defect, an auxiliary handle is usually connected to the switch handle, the auxiliary handle is lengthened on one hand, so that an operator can operate the switch more conveniently, on the other hand, if the switch is installed in the switch cabinet, the switch can be operated under the condition of not opening the cabinet door through the auxiliary handle, but if the auxiliary handle is directly connected with the handle, the overall height of the switch is increased, the switch is not in line with the miniaturization concept of modern electric appliance design, but if the auxiliary handle and the handle are made to be detachable, a storage device of the auxiliary handle is required to be provided for the switch, otherwise, the auxiliary handle can be lost.

In view of the above-mentioned prior art, there is a need for a reasonable improvement in the handle structure of existing switches. The applicant has therefore made an advantageous design, in the context of which the technical solutions to be described are made.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an operating handle of switch, the auxiliary operation spare of its installation has two different positions for the state of switch handle under the state that needs the operation and do not need the operation, has realized on the one hand laborsaving and convenient operation to the switch, and on the other hand has optimized the switch volume that has auxiliary handle, has still compromise auxiliary handle's the suitable storability simultaneously.

The utility model discloses a task is accomplished like this, an operating handle of switch, the switch includes handle and operating handle, the handle moves between first position and second position, realizes the divide-shut brake operation of switch, operating handle include supplementary operating parts, articulated shaft and torsional spring, the articulated shaft extends along the axial of handle movement orbit, articulates handle and supplementary operating parts, the torsional spring is worn to establish on the articulated shaft; the auxiliary operating part has an operating position and a containing position relative to the handle, when the switch is switched on and off, the auxiliary operating part is pulled to enable the auxiliary operating part to be located at the operating position relative to the handle, the auxiliary operating part is driven to drive the handle to move from the first position to the second position or from the second position to the first position, when the handle is driven to reach the first position or the second position, external force is removed, and the auxiliary operating part returns to the containing position relative to the handle from the operating position relative to the handle under the action of the torsion spring.

In a specific embodiment of the present invention, the auxiliary operating member includes an auxiliary operating wrench, the auxiliary operating wrench includes a base portion, the base portion extends from two axial sides of the movement track of the handle to the handle direction to form a pair of hinge frames, and extends from the other two sides of the base portion to two opposite directions to form a first wrench and a second wrench; the hinge shaft penetrates through one hinge frame of the pair of hinge frames, the end part of the handle and the other hinge frame of the pair of hinge frames in sequence; the pair of torsion springs are respectively positioned on the two sides of the handle and between the hinged frames on the two sides of the handle; the opening between the pair of torsion spring legs of the first torsion spring of the pair of torsion springs faces the second position direction of the handle, and the opening between the pair of torsion spring legs of the second torsion spring of the pair of torsion springs faces the first position direction of the handle.

In another specific embodiment of the present invention, when the auxiliary operating element is driven to drive the handle to move from the first position to the second position, the second wrench abuts against the handle, the auxiliary operating element is located at the operating position, and an external force acts on the first wrench, so that the handle is driven to move to the second position, and after the handle reaches the second position, the external force is removed, the auxiliary operating element returns to the storage position from the operating position under the action of the torsion spring, and when the storage position is reached, the base portion is engaged with the top portion of the handle; when the supplementary operating parts of drive drove the handle from the second position to the primary importance motion, spanner one supports with the handle and leans on, and supplementary operating parts are located operating position, and external force acts on spanner two to the motion of drive handle to primary importance, handle reach primary importance after, cancel external force, supplementary operating parts recover to accomodating the position from operating position under the effect of torsional spring, when accomodating the position, the basal portion cooperatees with the top of handle.

In another specific embodiment of the present invention, the auxiliary operating member includes a pair of first auxiliary operating wrenches and a pair of second auxiliary operating wrenches having the same structure, each of the first auxiliary operating wrenches includes a base portion, the base portion extends from two axial sides of the movement track of the handle to the handle direction to form a pair of hinge frames, and the other two sides of the base portion extend from two opposite directions to form the first auxiliary operating wrench and the second auxiliary operating wrench; the end part of the handle is respectively provided with a first hinged end and a second hinged end along the radial direction of the motion track of the handle in an extending manner, the first auxiliary operating wrench and the second auxiliary operating wrench are correspondingly hinged on the first hinged end and the second hinged end through hinged shafts, so that the first auxiliary operating wrench and the second auxiliary operating wrench are arranged in parallel along the axial direction of the motion track of the handle; the first torsion spring of the pair of torsion springs is arranged between the first auxiliary operating wrench and the first hinged end, and an opening between the pair of torsion spring legs faces to the second position direction of the handle; and a second torsion spring of the pair of torsion springs is arranged between the second auxiliary operating wrench and the second hinged end, and an opening between a pair of torsion spring legs faces to the first position direction of the handle.

In another specific embodiment of the present invention, when the auxiliary operating wrench is driven to drive the handle to move from the first position to the second position, the first wrench second of the first auxiliary operating wrench abuts against the handle, the first auxiliary operating wrench is located at the operating position, and an external force acts on the first wrench of the first auxiliary operating wrench, so as to drive the handle to move to the second position; when driving secondary operation spanner two and driving the handle and moving from the second position to the first position, the spanner of secondary operation spanner two leans on with the handle, and secondary operation spanner two is located the operating position, and external force acts on the spanner two of secondary operation spanner two to the drive handle moves to the first position, and after the handle reachd the first position, withdraw external force, the torsional spring acted on secondary operation spanner two for secondary operation spanner two is replied to the storage position from the operating position, when the storage position, the basal portion of secondary operation spanner two cooperateed with the top of hinged end two, at above-mentioned in-process, the basal portion of secondary operation spanner one cooperatees with the top of hinged end one all the time, keeps in the storage position.

The utility model discloses owing to adopted above-mentioned structure, the beneficial effect who has: the auxiliary operating part is hinged to the handle and can rotate relative to the handle, when the handle is not required to be operated, the auxiliary operating part is located at a storage position relative to the handle, and in the storage position, the height of the circuit breaker occupied by the auxiliary operating part is very small, so that the height of the whole switch is effectively controlled, and the volume of the switch with the auxiliary handle is optimized; when the handle needs to be operated, an operator presses the wrench on the corresponding side of the auxiliary operating part, so that the operating torque of the handle is prolonged, and labor-saving operation is realized; on the other hand, when the handle is operated, the auxiliary operating part can be exposed out of the plane of the panel, and for the circuit breaker installed in the complete cabinet, the cabinet door can be directly used as the panel of the casing without arranging the casing, so that the operation on the handle of the circuit breaker can be realized without opening the cabinet door, and the convenient operation of installation in the cabinet is realized; second, the auxiliary operating member is exposed from the operating hole when in use, and is stored together with the handle when not in use, thereby preventing the auxiliary operating member from being lost when the auxiliary operating member and the handle are stored independently.

Drawings

Fig. 1 is a perspective view of the circuit breaker of the present invention.

Fig. 2 is an external schematic view of the circuit breaker and the housing of the present invention.

Fig. 3 is an internal schematic view of the housing of the circuit breaker of the present invention.

Fig. 4 is an assembly perspective view of the auxiliary operating wrench and the handle in an embodiment of the circuit breaker of the present invention.

Fig. 5 is a front view of an embodiment of the circuit breaker of the present invention, in which a pair of torsion springs are assembled with a handle.

Fig. 6 is a perspective view illustrating the assembly of a pair of torsion springs and a handle in an embodiment of the circuit breaker of the present invention.

Fig. 7a is a schematic diagram of an embodiment of the circuit breaker according to the present invention, wherein the handle is located at the opening position.

FIG. 7b is a cross-sectional view taken along line A-A of FIG. 7a, showing the handle in the tripped position and the assist lever in the stored position.

Fig. 8 is the same sectional view as fig. 7b, with the handle in the brake-off position and the auxiliary operating wrench in the operating position.

Fig. 9 is the same sectional view as fig. 7b, showing the handle at the closing position and the auxiliary operating wrench at the storage position.

Fig. 10 is the same cross-sectional view as fig. 7b, with the handle in the on position and the auxiliary operating handle in the operating position.

Fig. 11 is a perspective view of an assembly of a pair of auxiliary operation wrenches and a handle in another embodiment of the circuit breaker of the present invention.

Fig. 12 is a perspective view of one of a pair of auxiliary operating wrenches in cooperation with a handle in another embodiment of the circuit breaker of the present invention.

Fig. 13a is a schematic view of another embodiment of the circuit breaker of the present invention, wherein the handle is located at the opening position and the pair of auxiliary operation wrenches are located at the storage position.

Fig. 13B is a cross-sectional view B-B of fig. 13 a.

Fig. 13C is a cross-sectional view C-C of fig. 13 a.

Fig. 14a is a schematic view of another embodiment of the circuit breaker of the present invention, wherein the handle is located at the switching-off position, the first auxiliary operating wrench is located at the operating position, and the second auxiliary operating wrench is located at the storage position.

Fig. 14b is a cross-sectional view D-D of fig. 14 a.

Fig. 15a is a schematic view of another embodiment of the circuit breaker of the present invention, wherein the handle is located at the closing position and the pair of auxiliary operation wrenches are located at the storage positions.

Fig. 15b is a cross-sectional view E-E of fig. 15 a.

Fig. 15c is a cross-sectional view F-F of fig. 15 a.

Fig. 16a is a schematic view of another embodiment of the circuit breaker of the present invention, wherein the handle is located at the closing position, the first auxiliary operating wrench is located at the storage position, and the second auxiliary operating wrench is located at the operating position.

Fig. 16b is a sectional view G-G of fig. 16 a.

Fig. 16c is a cross-sectional view H-H of fig. 16 a.

In the figure: 1. the circuit breaker comprises a circuit breaker, a shell 10, a shell operation hole 11, a base 100, a cover 200; 2. the handle, 21, the operating handle part, 211, the first hinged end, 212, the second hinged end, 22 and the driving part;

300. the device comprises a housing, a panel, a housing operation hole, a limiting plate, a chute and a positioning plate, wherein the housing comprises a housing 301, a panel 302, a housing operation hole, a limiting plate 3, and a chute 32;

4. the auxiliary operating piece 401, the first auxiliary operating wrench 402, the second auxiliary operating wrench 40, the base 41, the first wrench 42, the second wrench 43 and the hinge frame; 5. hinging a shaft; 6. a torsion spring 61, a first torsion spring 62, a second torsion spring 62; 7. an electromagnet; 8. a drive spring.

Detailed Description

The following detailed description of the embodiments of the present invention will be described with reference to the accompanying drawings, but the description of the embodiments by the applicant is not intended to limit the technical solutions, and any changes made according to the present invention rather than the essential changes should be considered as the protection scope of the present invention.

In the following description, any concept relating to the directions or orientations of up, down, left, right, front, and rear is based on the position shown in the corresponding drawings, and thus should not be construed as particularly limiting the technical solution provided by the present invention.

Referring to fig. 1 and 2, the present invention relates to an operating handle of a switch, in this embodiment, the switch adopts a molded case circuit breaker 1, the circuit breaker 1 includes a casing 10, the casing 10 generally includes a base 100 and a cover 200, the cover 200 is covered on the base 100, parts of an operating mechanism, a contact assembly, an arc extinguishing system, and the like of the circuit breaker are disposed inside the casing 10, the circuit breaker 1 further includes a handle 2, the handle 2 includes an operating handle portion 21 exposed outside the casing 10 and a driving portion 22 located inside the casing 10 and connected to the operating mechanism, and the handle 2 is exposed to the casing through a casing operating hole 11 formed in the cover 200.

As shown in fig. 1 and 2, an operator can drive an operating mechanism inside the circuit breaker 1 by pulling an operating handle portion 21 of the handle 2, thereby performing opening and closing operations of the circuit breaker 1. The handle 2 also has a first position, which is an open position, and a second position, which is an open position, with respect to the case 10, in response to the open/close state of the circuit breaker 1. The shell body operation hole 11 is a rectangular groove and needs to accommodate the handle 2 to move between a switch-off position and a switch-on position.

The utility model discloses an innovation part lies in, is connected with an auxiliary operation spare 4 on the handle 2 of circuit breaker 1, and the switching between combined floodgate, the separating brake of circuit breaker 1 can be through driving this auxiliary operation spare 4 to drive handle 2 and accomplish. The auxiliary operating member 4 will be described in detail by the following embodiments.

Example 1

As shown in fig. 4 to 10, the operating handle of the switch includes an auxiliary operating member 4, a hinge shaft 5 and a pair of torsion springs 6, the hinge shaft 5 extends along the axial direction of the movement track of the handle 2, i.e., the hinge shaft 5 is perpendicular to the movement plane of the handle 2, and hinges the handle 2 and the auxiliary operating member 4, and the pair of torsion springs 6 are arranged on the hinge shaft 5; the auxiliary operation member 4 has an operation position and a storage position relative to the handle 2, when the auxiliary operation member 4 is located at the operation position relative to the handle 2, the auxiliary operation member 4 is driven to drive the handle 2 to move from the first position to the second position or from the second position to the first position, when the handle 2 is driven by external force to reach the first position or the second position, the external force is removed, and the auxiliary operation member 4 returns to the storage position relative to the handle 2 from the operation position relative to the handle 2 under the action of the torsion spring 6.

As shown in fig. 4 to 6, the auxiliary operating member 4 includes an auxiliary operating wrench, which includes a base 40, the base 40 extends from two axial sides of the moving track of the handle 2 to the direction of the handle 2 to form a pair of hinge brackets 43, i.e. the arrangement direction between the two hinge brackets 43 is perpendicular to the moving plane of the handle 2, and extends from the other two sides of the base 40 to two opposite directions to form a first wrench 41 and a second wrench 42. The hinge shaft 5 sequentially penetrates one of the pair of hinge frames 43, the end of the handle 2 and the other hinge frame of the pair of hinge frames 43; the pair of torsion springs 6 are respectively positioned on the two sides of the handle 2 and between the hinge brackets 43 on the two sides of the handle; the opening between the pair of torsion legs of one of the pair of torsion springs 6, i.e. the first torsion spring 61 in fig. 5, faces in the second position direction of the handle 2, and the opening between the pair of torsion legs of the other of the pair of torsion springs 6, i.e. the second torsion spring 62 in fig. 5, faces in the first position direction of the handle 2.

Specifically, as shown in fig. 4 to 6, the middle part of the first torsion spring 61 on one side of the pair of torsion springs 6 is sleeved on the hinge shaft 5, one torsion spring leg of the first torsion spring is abutted against the operating handle part 21, and the other torsion spring leg is abutted against one side of the hinge frame 43 on one side of the auxiliary operating part 4, which faces the closing position, i.e., the second position direction; the middle part of the second torsion spring 62 on the other side of the pair of torsion springs 6 is sleeved on the hinge shaft 5, one torsion spring foot of the second torsion spring abuts against the operating handle part 21, and the other torsion spring foot of the second torsion spring abuts against one side, facing the brake separating position, namely the first position direction, of the hinge frame 43 on the other side of the auxiliary operating plate 4.

Further, as shown in fig. 2 and 3, the utility model discloses a housing 300 can be installed on circuit breaker 1, the housing 300 covers auxiliary operation spare 4 inside, a housing operation hole 302 is also opened corresponding to casing operation hole 11 on the panel 301 of housing 300 corresponding to the movement track of auxiliary operation spare 4, and a limiting plate 3 that can seal or open housing operation hole 302 is set up in a sliding manner on the internal surface of panel 301 of housing 3, as shown in fig. 3, this limiting plate 3 is set up in panel 301 internal surface through spout 32 sliding manner, when circuit breaker 1 works, limiting plate 3 seals housing operation hole 302, the operator can not touch auxiliary operation spare 4; when needing to operate circuit breaker 1, to the signal of electro-magnet 7, the electro-magnet 7 action pulling limiting plate 3 removes, and limiting plate 3 translation right as shown in fig. 3 opens housing handle hole 302, and the operator can touch auxiliary operation spare 4 to close a floodgate or the operation of separating brake is carried out to the circuit breaker.

Referring to fig. 1 to fig. 10, the operation process of the molded case circuit breaker according to the present embodiment is as follows:

in the initial position, the handle 2 is in the opening position, as shown in fig. 7a and 7b, the bottom of the base portion 40 of the auxiliary operating member 4 is engaged with the top of the operating handle portion 21, and the position between the auxiliary operating member 4 and the handle 2 is stable, that is, the auxiliary operating member 4 is in the storage position of the auxiliary operating member 4 with respect to the handle 2, and the auxiliary operating member 4 is sunk in the housing operating hole 302. Next, the operator presses the second wrench 42 to make the second wrench 42 abut against the operating handle portion 21, the auxiliary operating element 4 reaches the operating position, as shown in fig. 8, the first wrench 41 of the auxiliary operating element 4 is exposed to the housing operating hole 302, the operator drives the handle 2 to move in the closing direction by pulling the first wrench 41, and after reaching the closing position, the operator releases the first wrench 41, the first wrench 41 rotates under the action of the first torsion spring 61 until the bottom of the base portion 40 of the first wrench fits with the top of the operating handle portion 21, so as to be stabilized at the position, the auxiliary operating element 4 is in the storage position of the auxiliary operating element 4 relative to the handle 2, as shown in fig. 9, and in this position, the first wrench 41 of the auxiliary operating element 4 is still exposed to the housing operating hole 302.

In the handle switching-on position of fig. 9, the operator presses the first wrench 41 to make the first wrench 41 abut against the right side of the operating handle portion 21, as shown in fig. 10, the second wrench 42 on the auxiliary operating element 4 is exposed out of the housing operating hole 302, the auxiliary operating element 4 reaches the operating position of the auxiliary operating element 4 relative to the operating handle portion 21, the operator pulls the second wrench 42 to push the handle 2 to move towards the switching-off position, after reaching the switching-off position, the operator releases the second wrench 42, the second wrench 42 rotates under the action of the second torsion spring 62 until the bottom of the base portion 40 is matched with the top of the operating handle portion 21, and therefore the position is stabilized, as shown in fig. 7b, the auxiliary operating element 4 is sunk in the housing operating hole 302 and is located at the operating position of the auxiliary operating element 4 relative to the operating handle portion 21.

Example 2

As shown in fig. 11 to 15c, the auxiliary operating member 4 in this embodiment has a pair of first auxiliary operating wrench 401 and a second auxiliary operating wrench 402 with the same structure, each of the first auxiliary operating wrench and the second auxiliary operating wrench includes a base portion 40, the base portion 40 extends from two axial sides of the movement track of the handle 2 to form a pair of hinge brackets 43, and extends from the other two sides of the base portion 40 to two opposite directions to form a first wrench 41 and a second wrench 42. The end part of the handle 2 is respectively provided with a first hinged end 211 and a second hinged end 212 which are opposite along the radial direction of the motion track of the handle 2 in an extending manner, the first auxiliary operating wrench 401 is correspondingly hinged on the first hinged end 211 through a hinged shaft 5, and the second auxiliary operating wrench 402 is correspondingly hinged on the second hinged end 212, so that the first auxiliary operating wrench 401 and the second auxiliary operating wrench 402 are arranged in parallel along the axial direction of the motion track of the handle 2. One torsion spring of the pair of torsion springs 6, i.e., the first torsion spring 61 in fig. 13b, is disposed between the first auxiliary operating wrench 401 and the first hinged end 211, an opening between the pair of torsion spring legs faces the second position direction of the handle 2, specifically, the middle part of the first torsion spring 61 is sleeved on the hinged shaft 5, one torsion spring leg thereof abuts against the first hinged end 211, and the other torsion spring leg thereof abuts against the hinged frame 43 on the outer side of the first auxiliary operating wrench 401, or abuts against the hinged frame 43 of the first auxiliary operating wrench 401 adjacent to the second auxiliary operating wrench 402. The other torsion spring 6, i.e. the second torsion spring 62 in fig. 13c, is disposed between the second auxiliary operating wrench 402 and the second hinged end 212, the opening between the pair of torsion spring legs faces the first position direction of the handle 2, specifically, the middle part of the second torsion spring 62 is sleeved on the hinged shaft 5, one torsion spring leg of the second torsion spring abuts against the second hinged end 212, and the other torsion spring leg of the second torsion spring abuts against the hinged frame 43 on the outer side of the second auxiliary operating wrench 402, or abuts against the hinged frame 43 of the second auxiliary operating wrench 402 adjacent to the first auxiliary operating wrench 401.

With reference to fig. 1 to 3 and fig. 11 to 16c, the operation process of the molded case circuit breaker according to the present embodiment is as follows:

in the initial position, as shown in fig. 11 and 13a, the handle 2 is located at the opening position, the bottom of the base 40 of the first auxiliary operating wrench 401 and the second auxiliary operating wrench 402 are respectively matched with the top of the first hinge end 211 and the top of the second hinge end 212, the first auxiliary operating wrench 401 and the second auxiliary operating wrench 402 are stable relative to the handle 2, that is, the auxiliary operating element 4 is stable at the receiving position relative to the handle 2, in which the auxiliary operating element 4 is sunk in the casing operating hole 302, the casing operating hole 302 can be closed by the limiting plate 3, if the electromagnet 7 obtains the closing signal of the molded case circuit breaker, the electromagnet 7 is actuated, the limiting plate 3 is pulled to open the opening 302, and then the operator presses the second wrench 42 of the first auxiliary operating wrench 401 to make the second wrench 42 abut against the operating handle portion 21, and the first auxiliary operating wrench 401 reaches the operating position, as shown in fig. 14b, the first wrench 41 of the first auxiliary operating wrench 401 is exposed out of the housing operating hole 302, an operator drives the first wrench 41 of the first auxiliary operating wrench 401 to move in the closing direction by pulling the first wrench 41 of the first auxiliary operating wrench 401, and after the first auxiliary operating wrench 401 reaches the closing position, the operator releases the first wrench 41 of the first auxiliary operating wrench 401, the first wrench 41 of the first auxiliary operating wrench 401 rotates under the action of the first torsion spring 61 until the bottom of the base 40 is matched with the top of the first hinge end 211, so that the position is stabilized, and the first wrench 41 of the first auxiliary operating wrench 401 is still exposed out of the housing operating hole 302 and is in the storage position, as shown in fig. 15 b. In the process, the base 40 of the second auxiliary operating wrench 402 is always engaged with the top of the second hinged end 212, and is kept stable, and the second auxiliary operating wrench 402 moves along with the operating handle 21 in the closing direction to the position shown in fig. 15 c. At this time, the closing wrench 41 of the first auxiliary operating wrench 401 and the closing wrench 41 of the second auxiliary operating wrench 402 are both located on the motion track of the limiting plate 3, and even if the pushing force of the electromagnet 7 disappears, the limiting plate 3 will not seal the housing operating hole 302 under the action of the driving spring 8.

In the closing position, the operator presses the first wrench 41 of the second auxiliary operating wrench 402 to make the first wrench 41 of the second auxiliary operating wrench 402 abut against the right side of the second hinge end 212, as shown in fig. 16b and 16c, the second wrench 42 of the second auxiliary operating wrench 402 is exposed out of the housing operating hole 302, the second auxiliary operating wrench 402 is located in the operating position, the operator pulls the second wrench 42 of the second auxiliary operating wrench 402 to push the handle 2 to move towards the opening position, after the opening position is reached, the operator releases the second wrench 42 of the second auxiliary operating wrench 402, the second auxiliary operating wrench 402 rotates under the action of the second torsion spring 62 until the bottom of the base 40 is matched with the top of the second hinge end 212, so as to be stabilized in the position, as shown in fig. 13c, the second auxiliary operating wrench 402 is sunk in the housing operating hole 302 and located in the storage position, in the above process, the base 40 of the first auxiliary operating wrench 401 is always matched with the top of the first hinge end 211, the operation handle portion 21 is kept stable, and the first auxiliary operation wrench 401 moves in the opening direction together with the operation handle portion 21, as shown in fig. 13b, at this time, the first auxiliary operation wrench 401 is sunk in the housing operation hole 302. At this time, the first auxiliary operating wrench 401 and the second auxiliary operating wrench 402 are both located outside the motion trajectory of the limiting plate 3, and the limiting plate 3 can close the shell operating hole 11 again under the action of the driving spring 8.

Claims (5)

1. The utility model provides an operating handle of switch, the switch includes handle (2) and operating handle, handle (2) move between primary importance and second place, realize the divide-shut brake operation of switch (1), its characterized in that: the operating handle comprises an auxiliary operating part (4), an articulated shaft (5) and a torsional spring (6), the articulated shaft (5) extends along the axial direction of the motion track of the handle (2) to hinge the handle (2) and the auxiliary operating part (4), and the torsional spring (6) is arranged on the articulated shaft (5) in a penetrating way; the auxiliary operating part (4) has an operating position and a storage position relative to the handle (2), when the switch (1) is switched on and off, the auxiliary operating part (4) is pulled to enable the auxiliary operating part (4) to be located at the operating position relative to the handle (2), the auxiliary operating part (4) is driven to drive the handle (2) to move from the first position to the second position or from the second position to the first position, when the handle (2) is driven to reach the first position or the second position, external force is removed, and the auxiliary operating part (4) returns to the storage position relative to the handle (2) from the operating position relative to the handle (2) under the action of the torsion spring (6).

2. The operating handle of a switch according to claim 1, wherein: the auxiliary operating part (4) comprises an auxiliary operating wrench, the auxiliary operating wrench comprises a base part (40), the base part (40) extends from two axial sides of the motion track of the handle (2) to the direction of the handle (2) to form a pair of hinged frames (43), and extends from the other two sides of the base part (40) to two opposite directions to form a first wrench (41) and a second wrench (42); the hinge shaft (5) sequentially penetrates through one hinge frame of the pair of hinge frames (43), the end part of the handle (2) and the other hinge frame of the pair of hinge frames (43); the pair of torsion springs (6) are respectively positioned between the two sides of the handle (2) and the hinge brackets (43) at the two sides; the opening between the pair of torsion spring legs of the first torsion spring (61) in the pair of torsion springs (6) faces the second position direction of the handle (2), and the opening between the pair of torsion spring legs of the second torsion spring (62) in the pair of torsion springs (6) faces the first position direction of the handle (2).

3. The operating handle of a switch according to claim 2, wherein: when the auxiliary operating piece (4) is driven to drive the handle (2) to move from the first position to the second position, the second wrench (42) abuts against the handle (2), the auxiliary operating piece (4) is located at the operating position, external force acts on the first wrench (41), so that the handle (2) is driven to move towards the second position, after the handle (2) reaches the second position, the external force is removed, the auxiliary operating piece (4) returns to the storage position from the operating position under the action of the torsion spring (6), and when the storage position is reached, the base part (40) is matched with the top of the handle (2); when drive auxiliary operation spare (4) drive handle (2) from the second position to the primary importance motion, spanner (41) lean on with handle (2), and auxiliary operation spare (4) are located operating position, and external force acts on spanner two (42) to drive handle (2) are to the primary importance motion, handle (2) reach the primary importance after, withdrawal external force, and auxiliary operation spare (4) are from operating position to the position of accomodating under the effect of torsional spring (6), when accomodating the position, basal portion (40) cooperate with the top of handle (2).

4. The operating handle of a switch according to claim 1, wherein: the auxiliary operating part (4) comprises a pair of auxiliary operating wrenches I (401) and an auxiliary operating wrench II (402) which are identical in structure, each auxiliary operating wrench comprises a base part (40), the base parts (40) extend from two axial sides of the motion track of the handle (2) to the direction of the handle (2) respectively to form a pair of hinge frames (43), and extend from the other two sides of the base parts (40) to two opposite directions to form a wrench I (41) and a wrench II (42); the end part of the handle (2) is respectively provided with a first hinged end (211) and a second hinged end (212) in an extending manner along the radial direction of the movement track of the handle (2), the first auxiliary operating wrench (401) is correspondingly hinged on the first hinged end (211) through a hinged shaft (5), and the second auxiliary operating wrench (402) is correspondingly hinged on the second hinged end (212), so that the first auxiliary operating wrench (401) and the second auxiliary operating wrench (402) are arranged in parallel along the axial direction of the movement track of the handle (2); a first torsion spring (61) of the pair of torsion springs (6) is arranged between the first auxiliary operating wrench (401) and the first hinged end (211), and an opening between a pair of torsion spring legs faces to the second position direction of the handle (2); the second torsion spring (62) of the pair of torsion springs (6) is arranged between the second auxiliary operating wrench (402) and the second hinged end (212), and an opening between a pair of torsion spring legs faces to the first position direction of the handle (2).

5. The operating handle of a switch according to claim 4, wherein: when the first auxiliary operating wrench (401) is driven to drive the handle (2) to move from the first position to the second position, a second wrench (42) of the first auxiliary operating wrench (401) abuts against the handle (2), the first auxiliary operating wrench (401) is located at the operating position, external force acts on a first wrench (41) of the first auxiliary operating wrench (401) so as to drive the handle (2) to move towards the second position, the external force is removed after the handle (2) reaches the second position, and the torsion spring (6) acts on the first auxiliary operating wrench (401) so as to enable the first auxiliary operating wrench (401) to return to the storage position from the operating position, when the storage position is reached, the base portion (40) of the first auxiliary operating wrench (401) is matched with the top portion of the first hinged end (211), and in the process, the base portion (40) of the second auxiliary operating wrench (402) is always matched with the top portion of the second hinged end (212), held in the storage position; when the auxiliary operating wrench II (402) is driven to drive the handle (2) to move from the second position to the first position, the wrench I (41) of the auxiliary operating wrench II (402) abuts against the handle (2), the auxiliary operating wrench II (402) is located at the operating position, external force acts on the wrench II (42) of the auxiliary operating wrench II (402) so as to drive the handle (2) to move towards the first position, the external force is removed after the handle (2) reaches the first position, the torsion spring (6) acts on the auxiliary operating wrench II (402) so as to enable the auxiliary operating wrench II (402) to return to the storage position from the operating position, when the storage position is reached, the base part (40) of the auxiliary operating wrench II (402) is matched with the top part of the hinged end II (212), and in the process, the base part (40) of the auxiliary operating wrench I (401) is always matched with the top part of the hinged end I (211), held in the storage position.

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