CN220381982U - Handle rotating shaft and isolating switch - Google Patents

Abstract

The handle rotating shaft comprises a rotating shaft body, wherein a first connecting part and a second connecting part are respectively arranged at two ends of the rotating shaft body, the rotating shaft body comprises a first shaft body and a second shaft body which are coaxially connected, and the first connecting part and the second connecting part are respectively arranged on the first shaft body and the second shaft body; the isolating switch comprises a shell, an operating module and a contact module, wherein one end of an operating mechanism of the operating module is used as a driving end to be in driving connection with the contact module, the other end of the operating mechanism is used as an operating end to be connected with a first connecting part of a handle rotating shaft, and a second connecting part of the operating mechanism is connected with a handle assembly. In the utility model, the rotating shaft body is formed by the first shaft body and the second shaft body, the first connecting part and the second connecting part are respectively arranged on the first shaft body and the second shaft body, and the first shaft body and the second shaft body can be respectively processed and then connected to form an integral structure.

Description

Handle rotating shaft and isolating switch

Technical Field

The utility model relates to the technical field of electrical elements, in particular to a handle rotating shaft and an isolating switch.

Background

The isolating switch is a switch device mainly used for isolating a power supply and a breaking circuit, and is widely applied to the photovoltaic field along with the development of technology, however, in the practical application process, the isolating switch is usually installed in a cabinet, a handle assembly is positioned outside the cabinet, a handle rotating shaft penetrating through the side wall of the cabinet is connected between the handle assembly and the isolating switch, and the handle assembly is externally operated to drive the isolating switch to switch on and switch off through the communication of the handle rotating shaft.

In the existing products, the handle rotating shaft is usually of an integrated structure, but the handle assembly and the isolating switch are required to be connected, so that the structure is relatively complex, and the integrated structure is complex in processing and high in manufacturing cost.

Disclosure of Invention

The utility model aims to overcome at least one defect of the prior art and provide the handle rotating shaft and the isolating switch which have simple structure, convenient processing and lower cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a handle rotating shaft, which comprises a rotating shaft body, wherein a first connecting part and a second connecting part are respectively arranged at two ends of the rotating shaft body, the rotating shaft body comprises a first shaft body and a second shaft body which are coaxially connected, and the first connecting part and the second connecting part are respectively arranged on the first shaft body and the second shaft body.

Preferably, one end of the first shaft body is provided with a first connecting part, one end of the second shaft body is provided with a second connecting part, and the other end of the first shaft body is fixedly connected with the other end of the second shaft body.

Preferably, a plug structure for fixing in a plug manner is arranged between the first shaft body and the second shaft body, and the plug structure comprises a slot and a plug portion.

Preferably, the slot is provided at one end of the first shaft body far away from the first connecting portion, one end of the second shaft body far away from the second connecting portion is used as the plugging portion, or a boss serving as the plugging portion is provided on an end face of one end of the second shaft body far away from the second connecting portion in a protruding manner.

Preferably, one end of the first shaft body is provided with a first connecting portion, and the second shaft body is sleeved at one end of the first shaft body far away from the first connecting portion.

Preferably, the other end of the first shaft body protrudes outwards along the axis of the first shaft body to form a supporting part, and the second shaft body is provided with a communication hole sleeved with the supporting part.

Preferably, the second shaft body is a plastic shaft formed by injection molding.

Preferably, the first shaft body and/or the second shaft body are/is provided with at least one limiting part, the limiting part is positioned between the contact surfaces of the first shaft body and the second shaft body, and the limiting part limits the relative rotation of the first shaft body and the second shaft body.

Preferably, one end of the first shaft body is opened to form a first connecting portion, and at least one guide groove is formed in the edge of the first connecting portion.

Preferably, the first shaft body is formed by cutting a pipe, or the first shaft body is bent or blanked by a sheet metal part and bent to form an integrated structure, or the first shaft body is formed by stamping a steel plate.

The utility model also provides an isolating switch, which comprises a shell, wherein an operating module and a contact module are arranged in the shell, the operating module comprises an operating mechanism, one end of the operating mechanism is used as a driving end to be in driving connection with the contact module, the other end of the operating mechanism is used as an operating end to extend out of the shell and is used for driving the operating mechanism, the isolating switch further comprises the handle rotating shaft, the first connecting part is connected with the operating end of the operating mechanism, and the second connecting part is connected with a handle assembly for operating the isolating switch.

The handle rotating shaft and the isolating switch are characterized in that the rotating shaft body is formed by the first shaft body and the second shaft body, the first connecting part and the second connecting part are respectively arranged on the first shaft body and the second shaft body, and the first shaft body and the second shaft body can be respectively processed first and then connected to form an integral structure.

In addition, the coaxial connection of the first shaft body and the second shaft body can be through end grafting, also can be that the second shaft body cover is located the one end of first shaft body, and the structure is various, can satisfy different use and processing demands, and application scope is wide.

In addition, the first shaft body is formed by processing a pipe, a sheet metal part or a steel plate, and has the advantages of low cost and convenience in processing.

Drawings

FIG. 1 is a schematic illustration of the structure of the disconnecting switch, handle shaft and handle assembly of the present utility model;

FIG. 2 is a schematic view of the structure of the handle shaft according to the present utility model (first embodiment);

FIG. 3 is an exploded view of FIG. 2;

FIG. 4 is a schematic view of the structure of the handle shaft according to the present utility model (second embodiment);

FIG. 5 is an exploded view of FIG. 4;

FIG. 6 is a schematic view of the structure of the handle shaft according to the present utility model (third embodiment);

FIG. 7 is an exploded view of FIG. 6;

FIG. 8 is a schematic view of the sheet metal part used to form the first shaft body of FIG. 6;

FIG. 9 is a schematic view of a first shaft formed from the sheet metal part of FIG. 8;

FIG. 10 is a schematic view of the structure of a handle shaft according to the present utility model (fourth embodiment);

FIG. 11 is a schematic view of the first shaft body of FIG. 10;

fig. 12 is a schematic structural view of the second shaft body in fig. 10.

Reference numerals:

1-a handle rotating shaft, 10-a round steel plate, 11-a first shaft body, 111-a first connecting part, 112-a slot, 113-a supporting part, 114-a guide groove, 115-a limit groove, the device comprises a first shaft body, a first connecting part, a second connecting part, a first inserting part, a second inserting part, a first limiting boss, a second isolating switch, a third handle assembly and a third cabinet side wall.

Detailed Description

Embodiments of the handle shaft and isolation switch of the present utility model are further described below with reference to the examples shown in the drawings. The handle shaft and the isolating switch of the present utility model are not limited to the description of the following embodiments.

As shown in fig. 1, the isolating switch 2 comprises a housing, an operation module and a contact module driven by the operation module are arranged in the housing, the operation module and the contact module are stacked, the operation module comprises an operation mechanism, one end of the operation mechanism is used as a driving end to be in driving connection with the contact module, and the other end of the operation mechanism is used as an operation end to extend out of the housing for driving the operation mechanism to act; the contact module comprises at least one layer of contact units, each contact unit comprises a shell, a contact system and a wiring assembly which are connected with each other are assembled in the shell, the switching-on/off of the contact system is driven by the driving end, the wiring assembly is matched with a wiring groove formed in the side wall of the shell for external wiring, when the contact module comprises two or more contact units, two adjacent contact units are arranged in a stacked mode, the driving end can penetrate through the contact module to be connected with each contact system in a linkage manner, and can also be connected with the contact systems of the adjacent contact units, and the contact systems of the other contact units are connected with each other in a linkage manner, so that synchronous switching-on/off is realized.

At least one isolating switch 2 is assembled in the cabinet, a handle assembly 3 is arranged outside the cabinet and used for operating the isolating switch 2, an operation hole is formed in the side wall 4 of the cabinet, a handle rotating shaft 1 is arranged in the operation hole, the handle rotating shaft 1 generally comprises a rotating shaft body, two ends of the rotating shaft body are respectively provided with a first connecting part 111 and a second connecting part 121, wherein the first connecting part 111 is connected with an operation end of the isolating switch 2, the first connecting part 111 is of a groove or cavity structure with one open end, the operation end can be inserted into the first connecting part 111, the second connecting part 121 is connected with the handle assembly 3, and therefore the operation end is connected with the handle assembly 3, and the opening and closing driving of the isolating switch 2 is realized through externally operating the handle assembly 3.

The improvement point of the present application is that the rotating shaft body includes a first shaft body 11 and a second shaft body 12 coaxially connected, and the first connecting portion 111 and the second connecting portion 121 are respectively disposed on the first shaft body 11 and the second shaft body 12.

The pivot body is formed by first axis body 11 and second axis body 12, and first connecting portion 111 and second connecting portion 121 set up respectively on first axis body 11, second axis body 12, can process first axis body 11 and second axis body 12 respectively earlier and connect again and form overall structure, compare the pivot of processing integral structure, reduced the processing degree of difficulty and cost of manufacture.

Further, the first connecting portion 111 is disposed at one end of the first shaft body 11, the second connecting portion 121 is disposed at one end of the second shaft body 12, the other end of the first shaft body 11 is fixedly connected with the other end of the second shaft body 12, preferably, the end portions of the first shaft body 11 and the second shaft body 12 are provided with a plugging structure which is fixedly plugged, the plugging structure comprises a slot 112 and a plugging portion 122 which are matched with each other, the slot 112 can be formed in the first shaft body 11 or the second shaft body 12, and the plugging portion 122 is matched with the second shaft body 12 or the first shaft body 11. In addition, the ends of the first shaft body 11 and the second shaft body 12 may be fixedly connected by other means, such as adhesion, but may have poor stability.

Of course, the first shaft body 11 and the second shaft body 12 may be sleeved, for example, the second shaft body 12 is sleeved at an end of the first shaft body 11 far from the first connecting portion 111, or the first shaft body 11 is sleeved at an end of the second shaft body 12 far from the second connecting portion 121, preferably, when the first shaft body 11 is sleeved with the second shaft body 12, a supporting portion 113 is provided on the first shaft body 11 or the second shaft body 12, the supporting portion 113 is formed by protruding outwards along an axial direction of the first shaft body 11 or the second shaft body 12, and correspondingly, a communication hole for being sleeved with the supporting portion 113 is provided on the second shaft body 12 or the first shaft body 11. Compared with the plugging structure, the first shaft body 11 and the second shaft body 12 are matched and sleeved to have more overlapped parts in the axial direction, so that the connection stability of the first shaft body and the second shaft body is guaranteed, but compared with the plugging structure, the processing difficulty and the cost of the second shaft body are slightly improved.

Further, the first shaft body 11 and/or the second shaft body 12 are/is provided with at least one limiting portion, the limiting portion is located between contact surfaces of the first shaft body 11 and the second shaft body 12, and the limiting portion limits relative rotation of the first shaft body 11 and the second shaft body 12 around the shaft, wherein the limiting portion may be a boss structure, and the first shaft body 11 and the second shaft body 12 cannot rotate relatively through abutting fit, or the limiting portion includes a limiting groove 115 and a limiting boss 123 which are matched with each other, and the first shaft body 11 and the second shaft body 12 cannot rotate relatively through concave-convex fit.

Preferably, the first shaft body 11 is formed by processing a pipe, a sheet metal part or a steel plate 10, has the advantages of low cost, convenience in processing and high mechanical strength, and the second shaft body 12 can be a plastic shaft, so that connection is convenient, and cost is reduced.

A first embodiment of a handle spindle 1 is provided in connection with fig. 1-3.

As shown in fig. 2 and 3, the handle rotating shaft 1 includes a rotating shaft body, the rotating shaft body is formed by a first shaft body 11 and a second shaft body 12 which are coaxially connected, wherein the first shaft body 11 is formed by cutting a pipe, one open end of the first shaft body 11 is used as a first connecting portion 111, so that an operation end of the isolating switch 2 is inserted into the first connecting portion 111, preferably, at least one guide groove 114 is formed at the edge of the first connecting portion 111, in the figure, two guide grooves 114 are formed at two opposite sides of the first connecting portion 111, the central axis of each guide groove 114 is parallel to the central axis of the first shaft body 11, the groove depth of each guide groove 114 is smaller than the axial length of the first shaft body 11, and when the operation end is inserted into the first connecting portion 111, the guide groove 114 can be matched with a boss structure arranged at the outer side wall of the operation end, so that the insertion and matching stability of the operation end and the first connecting portion 111 is improved; the other open end of the first shaft body 11 is used as a slot 112 for connecting with the second shaft body 12, and the slot 112 is directly formed by the open end of the first shaft body 11, so that the processing difficulty is simplified.

As shown in fig. 2 and 3, the whole second shaft body 12 is in a circular shaft shape, one end of the second shaft body 12 is provided with a notch groove serving as a second connecting portion 121, in the drawing, the notch groove extends from one end face of the second shaft body 12 to the middle of the side wall of the second shaft body 12, so that one end section of the second shaft body 12 is semicircular, the other end of the second shaft body 12 is used as an inserting portion 122, in this embodiment, the outer contour line of the inserting portion 122 is hexagonal, the inserting portion 122 can be machined by hexagonal steel, when the inserting portion 122 is inserted into the inserting groove 112, the inserting groove 112 is deformed by pressing the outer wall of the inserting groove 112, the inner wall of the inserting groove 112 is attached to and fixed with the inserting portion 122, thereby fixedly connecting the first shaft body 11 with the second shaft body 12 to form a rotating shaft body, meanwhile, the inserting portion 122 adopts a hexagonal structure as a limiting portion, that is, the vertex of the hexagonal inserting portion 122 is respectively abutted with the inner portion of the inserting groove 112, thus making relative rotation between the first shaft body 11 and the second shaft body 12 extremely difficult, of course, the outer wall of the inserting groove 112 can be changed into a circular shape, and the inserting groove 112 can not be further limited by relative rotation.

In combination with fig. 1, 4 and 5, a second embodiment is provided, the handle rotating shaft 1 includes a rotating shaft body, the rotating shaft body is formed by a first shaft body 11 and a second shaft body 12 which are coaxially connected, the first shaft body 11 is in a hollow cavity structure with one closed end and one open end, the open end of the first shaft body 11 is used as a first connecting portion 111, the first connecting portion 111 is spliced with an operation end of the isolating switch 2, at least one guide groove 114 is formed in the edge of the side wall of the first connecting portion 111, in this embodiment, two symmetrical guide grooves 114 are formed in the first connecting portion 111, each guide groove 114 is used for being matched with a boss structure arranged on the outer side wall of the operation end, and the splicing matching stability of the operation end and the first connecting portion 111 is improved; the middle part of the closed end of the first shaft body 11 is provided with a slot 112, wherein the slot 112 is a square hole, and the square hole is preferably a through hole.

Specifically, the first shaft body 11 is formed by punching and bending a sheet metal part, for example, the sheet metal part is in a rectangular plate shape, a hole in the middle of the sheet metal part is a square hole, the hole in the middle of the sheet metal part is used for forming a slot 112, two edges of two ends of the sheet metal part are respectively cut into a strip-shaped groove, the two strip-shaped grooves and the square hole are coaxial, then two ends of the sheet metal part are bent, the sheet metal part is made to form a U-shaped structure with one open end and one closed end, the open end of the U-shaped structure is used as a first connecting part 111, the square hole is located in the middle of the closed end of the U-shaped structure, two ends of the sheet metal part are respectively used as two connecting arms of the U-shaped structure, two side edges of each connecting arm are further bent and extended in opposite directions to form convex edges, the convex edges of the two connecting arms are separated relatively to reduce the distance between the edges of the two connecting arms, and the interval between the convex edges of the two connecting arms can also form a guide groove 114.

The second shaft body 12 is in a circular shaft shape, and the second connecting portion 121 of the second shaft body 12 is a notch groove, unlike the first embodiment, the end face of the second shaft body 12 far away from the second connecting portion 121 is convexly provided with a plugging portion 122, the plugging portion 122 is a square shaft in the figure, the square shaft and the second shaft body 12 are coaxial, and the square shaft can be plugged and fixed in the slot 112 in a spin riveting or welding mode.

In the present embodiment, the square socket 112 and the square insertion portion 122 may be used as the limiting portions to limit the relative rotation between the first shaft body 11 and the second shaft body 12, however, the shape of the socket 112 and the insertion portion 122 may be other non-circular structures, or the relative rotation between the first shaft body 11 and the second shaft body 12 may be limited.

Referring to fig. 1 and 6-9, a third embodiment is provided, where the handle rotating shaft 1 includes a rotating shaft body, where the rotating shaft body is formed by a first shaft body 11 and a second shaft body 12 that are coaxially connected, the first shaft body 11 is integrally formed as a hollow cylinder with a closed end and an open end, the open end of the first shaft body 11 is used as a first connection portion 111, the first connection portion 111 is spliced with an operation end of the isolating switch 2, side wall edges of the first connection portion 111 are respectively provided with a guide groove 114, in the figure, the first connection portion 111 is provided with two opposite guide grooves 114, and the two guide grooves 114 are symmetrically distributed, each guide groove 114 is used to cooperate with a boss structure arranged on an outer side wall of the operation end so as to improve the stability of the splicing cooperation between the operation end and the first connection portion 111; the middle part of the closed end of the first shaft body 11 is provided with a slot 112, and in fig. 7-9, the slot 112 is a square hole.

In this embodiment, the first shaft body 11 is punched by a steel plate 10, as shown in fig. 8, a square hole is formed in the middle of a circular steel plate 10, the square hole is used to form a slot 112 of the first shaft body 11, two fan-shaped notches are respectively formed on two sides of the square hole, the circular steel plate 10 is punched to form the first shaft body 11, and at this time, each fan-shaped notch forms a guide slot 114.

The second shaft body 12 adopts the same structure as the second embodiment, the connection mode of the plugging portion 122 and the slot 112 is the same as the second embodiment, and meanwhile, the plugging portion 122 and the slot 112 also cooperate to form a limiting portion for limiting the relative rotation of the first shaft body 11 and the second shaft body 12.

In connection with fig. 1 and 10-12, a fourth embodiment is provided, in which the handle shaft 1 includes a shaft body formed by coaxially connecting a first shaft body 11 with a second shaft body 12, one end of the first shaft body 11 is provided with an opening as a first connecting portion 111, the other end of the first shaft body 11 is used for connecting with the second shaft body 12, in this embodiment, the second shaft body 12 is sleeved at one end of the first shaft body 11 far from the first connecting portion 111, preferably, one end of the first shaft body 11 far from the first connecting portion 111 is provided with a supporting portion 113, the supporting portion 113 protrudes outwards along a direction far from the first connecting portion 111, and the second shaft body 12 is sleeved outside the supporting portion 113.

In this embodiment, the first shaft body 11 is formed by integrally bending a sheet metal part, in fig. 11, the sheet metal part is integrally formed into a rectangular plate-shaped structure, the sheet metal part is integrally bent to form a U-shaped structure with one open end and one closed end, the U-shaped structure comprises two opposite connecting arms, the middle parts of the two connecting arms are bent and are close to each other to form a tightening region of the U-shaped structure, the whole U-shaped structure is in a dumbbell shape with thick ends and thin middle parts, one open end of the U-shaped structure is used as a first connecting part 111, a supporting part 113 protruding along an axis is formed from the tightening region of the U-shaped structure to the closed end, preferably, the outer diameter of the supporting part 113 is smaller than or equal to the outer diameter of the first supporting part 111, and the volume of the second shaft body 12 is reduced; further, a limiting groove 115 is provided in the tightening region, the limiting groove 115 is used as a limiting part on the first shaft body 11, and the limiting groove 115 is in limiting fit with a limiting boss 123 of the second shaft body 12. The edges of the two connecting arms may be bent and extended to form a convex edge, and the convex edge reduces the space between the two connecting arms, and at this time, a gap which can be used as the guide groove 114 is formed between the convex edges of the two connecting arms.

In this embodiment, the second shaft body 12 is sleeved on the end of the first shaft body 11 away from the first connecting portion 11, that is, the second shaft body 12 is sleeved on the supporting portion 113, and preferably, the second shaft body 12 is an injection-molded second shaft body 12. As shown in fig. 10 and 12, the second shaft body 12 is integrally in a circular shaft shape, the second connecting portion 121 of the second shaft body 12 adopts the same notch groove as the first embodiment, unlike the first embodiment, the end of the second shaft body 12 away from the second connecting portion 121 forms a protruding limiting boss 123, and the limiting boss 123 is used as a limiting portion on the second shaft body 12 to cooperate with the limiting groove 115 of the first shaft body 11, so as to limit the second shaft body 12 to perform circumferential rotation around the supporting portion 113, thereby further improving the cooperation stability of the second shaft body 12 and the first shaft body 11.

Of course, the second shaft body 12 may be made of other materials, at this time, a communication hole for sleeving the supporting portion 113 is formed on an end surface of the second shaft body 12 far from the second connecting portion 121, and correspondingly, a limit boss 123 matched with the slot 112 is formed by protruding outwards from an edge of the communication hole. When the second shaft body 12 is provided with a communication hole, the stopper may be provided on a contact surface between the communication hole and the support 113, for example, a boss as a stopper may be provided on an inner wall of the communication hole and/or an outer side of the support 113.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (11)

1. Handle pivot, including the pivot body, the both ends of pivot body are provided with first connecting portion (111) and second connecting portion (121) respectively, its characterized in that: the rotating shaft body comprises a first shaft body (11) and a second shaft body (12) which are coaxially connected, and a first connecting part (111) and a second connecting part (121) are respectively arranged on the first shaft body (11) and the second shaft body (12).

2. The handle spindle of claim 1, wherein: one end of the first shaft body (11) is provided with a first connecting part (111), one end of the second shaft body (12) is provided with a second connecting part (121), and the other end of the first shaft body (11) is fixedly connected with the other end of the second shaft body (12).

3. The handle spindle of claim 2, wherein: an inserting structure which is fixed in an inserting mode is arranged between the first shaft body (11) and the second shaft body (12), and the inserting structure comprises an inserting groove (112) and an inserting portion (122).

4. A handle spindle according to claim 3, wherein: the socket (112) is formed at one end, far away from the first connecting portion (111), of the first shaft body (11), one end, far away from the second connecting portion (121), of the second shaft body (12) is used as a plug-in portion (122), or a boss serving as the plug-in portion (122) is arranged on the end face of one end, far away from the second connecting portion (121), of the second shaft body (12) in a protruding mode.

5. The handle spindle of claim 1, wherein: one end of the first shaft body (11) is provided with a first connecting part (111), and the second shaft body (12) is sleeved at one end of the first shaft body (11) far away from the first connecting part (111).

6. The handle spindle of claim 5, wherein: the other end of the first shaft body (11) protrudes outwards along the axis of the first shaft body (11) to form a supporting part (113), and the second shaft body (12) is provided with a communication hole sleeved with the supporting part (113).

7. The handle spindle of claim 5, wherein: the second shaft body (12) is a plastic shaft formed by injection molding.

8. The handle spindle of any one of claims 1-7, wherein: the first shaft body (11) and/or the second shaft body (12) are/is provided with at least one limiting part, the limiting part is positioned between the contact surfaces of the first shaft body (11) and the second shaft body (12), and the limiting part limits the first shaft body (11) and the second shaft body (12) to rotate relatively.

9. The handle spindle of claim 8, wherein: one end of the first shaft body (11) is opened to form a first connecting part (111), and at least one guide groove (114) is formed in the edge of the first connecting part (111).

10. The handle spindle of claim 9, wherein: the first shaft body (11) is formed by cutting a pipe, or the first shaft body (11) is bent or punched by a sheet metal part and is bent to form an integrated structure, or the first shaft body (11) is formed by punching a steel plate (10).

11. The isolating switch comprises a shell, an operating module and a contact module are arranged in the shell, the operating module comprises an operating mechanism, one end of the operating mechanism serves as a driving end to be in driving connection with the contact module, and the other end of the operating mechanism serves as an operating end to extend out of the shell and is used for driving the operating mechanism, and the isolating switch is characterized in that: the handle spindle (1) according to any one of claims 1-10, wherein the first connection part (111) is connected to an operating end of the operating mechanism, and the second connection part (121) is connected to a handle assembly (3) for operating the disconnector (2).