CN216902652U - Terminal cover and bar switch go out - Google Patents

Abstract

The utility model provides a leading-out terminal cover and bar switch, relates to electrical apparatus switch technical field, including the casing and with casing fixed connection's coupling assembling, have in the casing and be used for the holding to be qualified for the next round of competitions female stiff end of arranging and binding post's accommodation space, be provided with first opening on the casing, first opening is used for passing with the wire that binding post is connected, coupling assembling is used for articulating with bar switch's base to make the casing base rotation relatively. This leading-out terminal cover and bar switch can simplify bar switch's structure under the prerequisite of increase alternate electric clearance and creepage distance, reduce bar switch's volume.

Description

Terminal cover and bar switch go out

Technical Field

The utility model relates to the technical field of electrical switches, in particular to a wire outlet terminal cover and a strip switch.

Background

With the continuous acceleration of the urban modernization process, the living standard and living standard of people are continuously improved, and higher requirements on electricity safety are also provided. The strip fuse type isolating switch is also called as a strip switch, a fuse electrically connected with the strip fuse type isolating switch is added on the basis of the traditional isolating switch, and when the strip switch faces a large current, the added fuse can be rapidly disconnected to protect the isolating switch. The strip switch has the advantages of strong breaking capacity, high reliability, small size and the like, and is widely applied.

At present, in order to increase alternate electric clearance and creepage distance, avoid alternate emergence of puncturing faults such as short circuit, generally require to set up the looks division board at alternate, simultaneously, in order to play the guard action to the looks division board, still generally require to set up the housing outside the looks division board, lead to bar switch's structure comparatively complicated, the volume is comparatively huge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a wire outlet terminal cover and a bar switch, which can simplify the structure of the bar switch and reduce the volume of the bar switch on the premise of increasing the electric clearance and creepage distance between phases.

The embodiment of the utility model is realized by the following steps:

in one aspect of the embodiment of the utility model, an outlet terminal cover is provided, which includes a housing and a connecting assembly fixedly connected to the housing, wherein a holding space for holding a fixing end of an outlet busbar and a connecting terminal is provided in the housing, the housing is provided with a first opening, the first opening is used for a wire connected to the connecting terminal to pass through, and the connecting assembly is used for being hinged to a base of a bar switch, so that the housing can rotate relative to the base. This leading-out terminal cover can simplify bar switch's structure under the prerequisite of increase alternate electric clearance and creepage distance, reduces bar switch's volume.

Optionally, coupling assembling includes two sets ofly, coupling assembling include with casing fixed connection's linking arm and with linking arm fixed connection's connecting axle, two coupling assembling's linking arm is the interval setting, two coupling assembling's connecting axle is and sets up in opposite directions, the connecting axle be used for with the base is articulated.

Optionally, a clamping groove is further formed in the shell and used for being clamped with a buckle on the base, so that the shell can be fixed relative to the base.

Optionally, the shell is further provided with a flange, the flange is located on a side wall opposite to the outlet busbar, and the flange is used for being contained in the groove on the base.

On the other hand, the bar switch comprises a base, an outlet busbar and a connecting terminal which are arranged on the base, and the outlet terminal cover, wherein the base is hinged with a shell of the outlet terminal cover through a connecting component of the outlet terminal cover, a fixed end of the outlet busbar and the connecting terminal are both accommodated in an accommodating space of the outlet terminal cover, and a lead can pass through a first opening of the outlet terminal cover and is connected with the connecting terminal. This leading-out terminal cover can simplify bar switch's structure under the prerequisite of increase alternate electric clearance and creepage distance, reduces bar switch's volume.

Optionally, the connecting assemblies include two groups, each connecting assembly includes a connecting arm fixedly connected to the housing and a connecting shaft fixedly connected to the connecting arm, the connecting arms of the two connecting assemblies are arranged at intervals, and the connecting shafts of the two connecting assemblies are arranged in opposite directions; the base is provided with a connecting block, two ends of the connecting block are respectively provided with a connecting groove, and the connecting shaft is correspondingly accommodated in the connecting grooves so that the shell is hinged to the base.

Optionally, a clamping groove is further arranged on the shell; the base is provided with a buckle, the buckle corresponds to the clamping groove, and the buckle is clamped with the clamping groove so that the shell can be clamped with the base.

Optionally, a flange is further arranged on the shell, and the flange is located on a side wall opposite to the outlet busbar; the base is provided with a groove, the groove is positioned on the side wall opposite to the outgoing line busbar, the flange is arranged corresponding to the groove, and the flange can be contained in the groove.

Optionally, the wire outlet device further comprises a first fastener and a second fastener, wherein the base is provided with a mounting groove and a mounting hole, the fixed end of the wire outlet busbar and the fixed end of the wiring terminal are both sleeved on the first fastener, the fixed end of the wire outlet busbar and the fixed end of the wiring terminal are respectively abutted against two ends of the first fastener, one end of the first fastener is accommodated in the mounting groove, the mounting hole is formed in the wire outlet busbar corresponding to the mounting hole, and the second fastener is accommodated in the mounting hole and the fixing hole, so that the wire outlet busbar is fixedly connected with the base.

Optionally, female arranging of being qualified for the next round of competitions includes a plurality ofly, the base is the stair-shaped structure, the stair-shaped structure includes a plurality of step platforms, outlet terminal cover includes a plurality ofly, female arranging of being qualified for the next round of competitions outlet terminal cover with the step platform all is the one-to-one setting, at least one has been put in the outlet terminal cover binding post, female stiff end of being qualified for the next round of competitions with binding post sets up respectively in on the step platform, the casing passes through coupling assembling with the step platform is articulated.

The embodiment of the utility model has the beneficial effects that:

this terminal cover that goes out wire includes the casing and with casing fixed connection's coupling assembling, it is used for the holding to go out female stiff end of arranging and binding post's accommodation space to have in the casing, the female wiring end of being qualified for the next round of competitions then stretches out the casing and is connected with electrically conductive structure, be provided with first opening on the casing, first opening is used for passing with the wire that binding post is connected, so that the wire can pass first opening and stretch into in the casing and be connected with binding post's wiring end, coupling assembling is used for articulating with bar switch's base, so that the casing base rotation relatively. When the shell rotates towards one side far away from the base, the fixed end of the outgoing line busbar and the wiring terminal are gradually exposed in the operating range of an operator until one side of the shell abuts against the surface of the base, so that the operator can conveniently wire the outgoing line busbar and the wiring terminal; when the shell rotates towards one side close to the base, the unsealed side of the shell gradually contacts with the surface of the base until the surface of the base seals the unsealed side of the shell, at the moment, the fixed end and the wiring terminal of the outgoing line busbar are both accommodated in a sealing structure formed by the shell and the base, and therefore alternate electric gaps and creepage distances are increased. Compare in prior art, in order to increase alternate electric clearance and creepage distance, set up the phase spacer at alternate to set up the housing outside the phase spacer, lead to bar switch's structure comparatively complicated, the volume is comparatively huge, the leading-out terminal cover that this application provided is through saving the phase spacer, and reduce the volume of casing, can be under the prerequisite of increase alternate electric clearance and creepage distance, simplify bar switch's structure, reduce bar switch's volume.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a bar switch according to an embodiment of the present invention;

fig. 2 is a second schematic structural diagram of a bar switch according to an embodiment of the present invention;

fig. 3 is a third schematic structural diagram of a strip switch according to an embodiment of the present invention;

fig. 4 is a fourth schematic structural diagram of a bar switch according to an embodiment of the present invention;

fig. 5 is a fifth schematic structural diagram of a bar switch according to an embodiment of the present invention;

fig. 6 is a sixth schematic structural diagram of a strip switch according to an embodiment of the present invention;

fig. 7 is a seventh schematic structural diagram of a bar switch according to an embodiment of the present invention;

fig. 8 is an eighth schematic structural diagram of a bar switch according to an embodiment of the present invention.

Icon: 100-outlet terminal cover; 10-a housing; 11-a first opening; 12-a second opening; 13-a card slot; 14-a flange; 20-a connecting assembly; 21-a linker arm; 22-a connecting shaft; 200-bar switches; 30-a base; 31-buckling; 32-grooves; 33-mounting grooves; 34-mounting holes; 35-a step platform; 40-a wire outlet bus bar; 41-fixing holes; 50-a connecting terminal; 60-connecting blocks; 61-connecting groove; 70-a first fastener; 71-second fastener.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or internally between the two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present embodiment provides a bar switch 200, which includes a base 30, a bus bar 40, a connection terminal 50 and a terminal cover 100, the base 30 is hinged to a housing 10 of the terminal cover 100 through a connection component 20 of the terminal cover 100, a fixed end of the bus bar 40 and the connection terminal 50 are accommodated in an accommodation space of the terminal cover 100, and a wire can pass through a first opening 11 of the terminal cover 100 and is connected to the connection terminal 50.

As shown in fig. 1 to 4, the outlet terminal cover 100 includes a housing 10 and a connecting assembly 20 fixedly connected to the housing 10, the housing 10 has a holding space for holding a fixed end of the outlet busbar 40 and the connecting terminal 50 therein, the housing 10 is provided with a first opening 11, the first opening 11 is used for a wire connected to the connecting terminal 50 to pass through, and the connecting assembly 20 is used for being hinged to a base 30 of the bar switch 200, so that the housing 10 can rotate relative to the base 30. The outlet terminal cover 100 can simplify the structure of the bar switch 200 and reduce the volume of the bar switch 200 on the premise of increasing the electric clearance and creepage distance between phases.

It should be noted that, the outlet terminal cover 100 includes a housing 10, for example, as shown in fig. 1 to fig. 4, in this embodiment, the housing 10 includes a cover plate and four side plates fixedly connected to edges of the cover plate, the cover plate is in a rectangular structure, the side plates include four side plates, the cover plate and the four side plates enclose the housing 10 in a semi-closed rectangular structure, and an accommodating space is provided inside the housing 10, so that a fixed end of the outlet busbar 40 and the terminal block 50 can be accommodated in the accommodating space. Further, the edges and corners of the joint of the cover plate and the side plate can be chamfered, so that accidental injury to an operator caused by the edges and corners of the joint of the cover plate and the side plate can be avoided, and the attractiveness of the shell 10 can be improved.

Of course, in other embodiments, the housing 10 may have other structures, such as a semi-closed spherical structure or a semi-closed cylindrical structure, which are only used for illustration and are not used to limit the actual structure of the housing 10. Regarding the actual structure of the housing 10, a person skilled in the art should be able to make reasonable selection and design according to actual situations, and only need to enable the outlet busbar 40 and the terminal 50 to be accommodated in the accommodating space of the housing 10, which is not limited in particular here.

Regarding the volume of the housing 10, a person skilled in the art should be able to select and design reasonably according to actual situations, and it is only necessary that the fixed end of the outlet busbar 40 and the terminal 50 can be accommodated in the accommodating space of the housing 10, and there is no particular limitation here. Of course, it should be understood by those skilled in the art that the smaller the volume of the housing 10 is, the smaller the volume of the bar switch 200 can be made on the premise that the fixed end of the outlet busbar 40 and the terminal 50 can be accommodated in the accommodating space of the housing 10.

Generally, the fixed end of the outgoing line busbar 40 needs to be connected with the fixed end of the wiring terminal 50, the wiring end of the outgoing line busbar 40 needs to be connected with the conductive structure, and the wiring end of the wiring terminal 50 needs to be connected with a wire, so that the bar switch 200 can be used in a control circuit, and the function of guaranteeing the electricity utilization safety is achieved, therefore, the fixed end of the outgoing line busbar 40 and the fixed end of the wiring terminal 50 need to be accommodated in the accommodating space of the casing 10, meanwhile, the wiring end of the outgoing line busbar 40 needs to be capable of extending out of the casing 10 to be connected with the conductive structure, and the wire needs to be capable of extending into the casing 10 to be connected with the wiring end of the wiring terminal 50.

For this purpose, as shown in fig. 1 and 2, in the present embodiment, the housing 10 is provided with a first opening 11, and the first opening 11 is used for a wire connected to the terminal 50 to pass through, so that the wire can extend into the housing 10 through the first opening 11 to be connected to the terminal of the terminal 50. Besides, the housing 10 is further provided with a second opening 12, and the second opening 12 is used for the outgoing busbar 40 to pass through, so that the terminal of the outgoing busbar 40 can extend out of the housing 10 through the second opening 12 to be connected with the conductive structure.

Certainly, in other embodiments, a containing groove may be further disposed on the base, and the containing groove is used for containing the outgoing bus bar 40, so that the terminal of the outgoing bus bar 40 can extend out of the housing 10 through the containing groove to be connected with the conductive structure.

Regarding the shapes and positions of the first opening 11, the second opening 12 and the accommodating groove, those skilled in the art should be able to make reasonable selection and design according to actual situations, and only need to make the conducting wire extend into the housing 10 through the first opening 11 to be connected with the terminal of the connecting terminal 50, and make the terminal of the outgoing busbar 40 extend out of the housing 10 through the second opening 12 or through the accommodating groove to be connected with the conductive structure, which is not limited specifically here.

Illustratively, as shown in fig. 1 and 2, in the present embodiment, the first opening 11, the second opening 12 and the connecting assembly 20 are respectively located on different sidewalls of the housing 10, so as to facilitate connection of the terminal 50 with a wire and connection of the terminal of the outlet busbar 40 with a conductive structure, while avoiding interference with relative rotation between the housing 10 and the base 30. Of course, in other embodiments, it is also possible that the first opening 11 is located on one of the side walls of the housing 10, and the second opening 12 and the connecting assembly 20 are located on the other side wall of the housing 10.

In addition to the housing 10, the outlet terminal cover 100 further includes a connecting assembly 20, and the connecting assembly 20 is fixedly connected to the housing 10, for example, as shown in fig. 1 to 4, in this embodiment, the connecting assembly 20 is fixedly connected to one of the side plates of the housing 10, so that the housing 10 can be hinged to the base 30 of the bar switch 200 through the connecting assembly 20, and the housing 10 can rotate relative to the base 30.

Specifically, as shown in fig. 1, when the housing 10 rotates towards a side away from the base 30, the fixed end of the outlet busbar 40 and the terminal 50 are gradually exposed within the operating range of the operator until the side of the housing 10 abuts against the surface of the base 30, so that the operator can conveniently connect the outlet busbar 40 and the terminal 50; as shown in fig. 3, when the housing 10 rotates toward a side close to the base 30, the unclosed side of the housing 10 gradually contacts with the surface of the base 30 until the surface of the base 30 is closed to the unclosed side of the housing 10, and at this time, the fixed end of the outlet busbar 40 and the connection terminal 50 are both accommodated in the closed structure formed by the housing 10 and the base 30, so that the electrical gap and the creepage distance between the phases are increased.

Compare in prior art, in order to increase alternate electric clearance and creepage distance, set up the phase spacer at alternate to set up the housing outside the phase spacer, lead to bar switch's structure comparatively complicated, the volume is comparatively huge, the leading-out terminal cover 100 that this application provided is through saving the phase spacer, and reduce casing 10's volume, can be under the prerequisite of increase alternate electric clearance and creepage distance, simplify bar switch 200's structure, reduce bar switch 200's volume.

As described above, the outlet terminal cover 100 includes the housing 10 and the connecting assembly 20 fixedly connected to the housing 10, a receiving space for receiving the fixed end of the outlet busbar 40 and the connecting terminal 50 is provided in the housing 10, the terminal of the outlet busbar 40 extends out of the housing 10 to be connected to the conductive structure, the housing 10 is provided with the first opening 11, the first opening 11 is used for a wire connected to the connecting terminal 50 to pass through, so that the wire can pass through the first opening 11 and extend into the housing 10 to be connected to the terminal of the connecting terminal 50, and the connecting assembly 20 is used for being hinged to the base 30 of the bar switch 200, so that the housing 10 can rotate relative to the base 30. When the shell 10 rotates towards the side far away from the base 30, the fixed end of the outgoing busbar 40 and the wiring terminal 50 are gradually exposed in the operating range of an operator until one side of the shell 10 abuts against the surface of the base 30, so that the operator can conveniently wire the outgoing busbar 40 and the wiring terminal 50; when the housing 10 rotates towards a side close to the base 30, the unclosed side of the housing 10 gradually contacts with the surface of the base 30 until the surface of the base 30 is closed to the unclosed side of the housing 10, and at this time, the fixed end of the outlet busbar 40 and the connection terminal 50 are accommodated in the closed structure formed by the housing 10 and the base 30, so that the alternate electrical gap and creepage distance are increased. Compare in prior art, in order to increase alternate electric clearance and creepage distance, set up the phase spacer at alternate to set up the housing outside the phase spacer, lead to bar switch's structure comparatively complicated, the volume is comparatively huge, the leading-out terminal cover 100 that this application provided is through saving the phase spacer, and reduce casing 10's volume, can be under the prerequisite of increase alternate electric clearance and creepage distance, simplify bar switch 200's structure, reduce bar switch 200's volume.

As shown in fig. 4, in the present embodiment, the two connecting assemblies 20 include two sets, each connecting assembly 20 includes a connecting arm 21 fixedly connected to the housing 10 and a connecting shaft 22 fixedly connected to the connecting arm 21, the connecting arms 21 of the two connecting assemblies 20 are arranged at intervals, the connecting shafts 22 of the two connecting assemblies 20 are arranged oppositely, and the connecting shafts 22 are used for being hinged to the base 30.

It should be noted that, in order to improve the smoothness of the rotation process of the housing 10 relative to the base 30 and avoid tarnish or even jamming, the connecting arms 21 of the two connecting assemblies 20 should be arranged side by side, and the connecting shafts 22 of the two connecting assemblies 20 should be coaxially arranged.

Regarding the distance between the two connecting arms 21, the distance between the two connecting shafts 22, and the length of the connecting shaft 22 along the axial direction thereof, a person skilled in the art should be able to select and design reasonably according to actual situations, so as to ensure the stability of the hinge connection between the housing 10 and the base 30, and to make the assembly of the housing 10 and the base 30 easier, which is not limited herein.

As shown in fig. 1, 2 and 4, the base 30 is provided with a connecting block 60 corresponding to the connecting assembly 20, two ends of the connecting block 60 are respectively provided with a connecting groove 61, and the connecting shaft 22 is correspondingly received in the connecting grooves 61, so that the housing 10 is hinged to the base 30.

It should be noted that, when the housing 10 and the base 30 are assembled, the connecting shaft 22 is only required to be correspondingly accommodated in the connecting groove 61, so that the housing 10 and the base 30 can be hinged. For this reason, the shape of the connecting shaft 22 and the shape of the connecting groove 61, the length of the connecting shaft 22 in its axial direction and the depth of the connecting groove 61 in its axial direction, and the length of the connecting block 60 and the interval between the two connecting arms 21 should all be adapted.

When the surface of the base 30 is closed to the non-closed side of the casing 10, the casing 10 can play a role in increasing the inter-phase electrical gap and the creepage distance, and in order to improve the stability of the relative position between the casing 10 and the base 30 at this time, thereby ensuring that the casing 10 can play the above role, as shown in fig. 1 to 3, in this embodiment, the casing 10 is further provided with a card slot 13, and the card slot 13 is used for being clamped with a buckle 31 on the base 30, so that the casing 10 can be fixed relative to the base 30. Corresponding to the card slot 13, a buckle 31 is disposed on the base 30, the buckle 31 is disposed corresponding to the card slot 13, and the buckle 31 is connected to the card slot 13, so that the housing 10 can be connected to the base 30. Of course, in other embodiments, a protrusion may be disposed on the casing 10, and a recess may be disposed on the base 30, and the protrusion is received in the recess, so that the casing 10 and the base 30 are relatively fixed.

Regarding the number of the snap 31 and the card slot 13, those skilled in the art should be able to make reasonable selection and design according to practical situations, and no particular limitation is made here. Illustratively, the number of the clips 31 and the number of the card slots 13 are two, the two clips 31 are respectively disposed on one side plate of the housing 10, and the two card slots 13 are respectively correspondingly disposed on one side wall of the base 30.

In order to further increase the creepage distance, as shown in fig. 1 to 4, in the present embodiment, the housing 10 is further provided with a flange 14, the flange 14 is located on a side wall opposite to the outgoing bus bar 40, and the flange 14 is configured to be received in the groove 32 on the base 30. The base 30 is provided with a groove 32 corresponding to the flange 14, the groove 32 is positioned on the side wall opposite to the outgoing bus bar 40, the flange 14 is arranged corresponding to the groove 32, and the flange 14 can be accommodated in the groove 32.

It should be noted that, when the housing 10 is not provided with the additional flange 14 and the base 30 is not provided with the additional groove 32, a side wall (i.e., a side plate) opposite to the outgoing busbar 40, which is far away from the cover plate, is in direct contact with the surface of the base 30, and at this time, a creepage distance between a fixed end of the outgoing busbar 40 and adjacent alternate conductive elements is only a path along the surface of the base 30; when the flange 14 is additionally arranged on the shell 10 and the groove 32 is additionally arranged on the base 30, one surface of the flange 14 close to the outgoing line busbar 40 is in contact with the side wall of the groove 32, one side of the flange 14 away from the cover plate is in contact with the bottom wall of the groove 32, and at the moment, the creepage distance between the fixed end of the outgoing line busbar 40 and the adjacent alternate conducting elements includes the path along the side wall of the groove 32 and the bottom wall of the groove 32 besides the path along the surface of the base 30, so that the creepage distance is further increased.

For example, the outlet terminal cover 100 may be made of plastic, so as to insulate the housing 10, and at the same time, the connecting assembly 20 has certain elasticity, so that the connecting shaft 22 is easily received in the connecting groove 61, thereby improving the convenience of assembling the housing 10 and the base 30.

In order to ensure the reliability of the connection between the fixed end of the outlet busbar 40 and the fixed end of the connection terminal 50 and prevent the bar switch 200 from failing to work normally due to poor contact between the outlet busbar 40 and the connection terminal 50, please refer to fig. 5 to 7, in this embodiment, the bar switch 200 further comprises a first fastening member 70 and a second fastening member 71, the base 30 is provided with a mounting groove 33 and a mounting hole 34, the fixed end of the outgoing bus bar 40 and the fixed end of the wiring terminal 50 are both sleeved on the first fastening member 70, and the fixed end of the outlet busbar 40 and the fixed end of the connecting terminal 50 are respectively abutted against two ends of the first fastening piece 70, one end of the first fastening piece 70 is accommodated in the installation groove 33, the outlet busbar 40 is provided with a fixing hole 41 corresponding to the installation hole 34, and the second fastening piece 71 is accommodated in the installation hole 34 and the fixing hole 41, so that the outlet busbar 40 is fixedly connected with the base 30. Wherein the first fastening member 70 may be a bolt and the second fastening member 71 may be a screw.

It should be noted that, when the outlet busbar 40, the wiring terminal 50 and the base 30 are assembled, the bolt may be first placed into the mounting groove 33 in a manner that the head of the bolt faces the mounting groove 33 and the screw rod is far away from the base 30, then the fixed end of the outlet busbar 40 and the fixed end of the wiring terminal 50 are sequentially sleeved on the screw rod of the bolt, the fixed end of the outlet busbar 40 is abutted against the head of the bolt and the surface of the base 30, then the nut of the bolt is abutted against the fixed end of the wiring terminal 50, so that the fixed end of the outlet busbar 40 is pressed against the fixed end of the wiring terminal 50, and then the screw sequentially passes through the mounting hole 34 of the base 30 and the fixing hole 41 of the outlet busbar 40, so that the fixed end of the outlet busbar 40 is fixedly connected with the base 30, and the head of the screw is prevented from being exposed on the surface of the outlet busbar 40.

In addition, can also set up the gasket between nut and binding post 50's stiff end to further guarantee that nut and screw rod can screw up, thereby further guarantee that female the stiff end of arranging 40 of being qualified for the next round of competitions and binding post 50's stiff end can compress tightly.

When this bar switch 200 has heterogeneous conductive loop, when being qualified for the next round of competitions female arranging 40 and including a plurality of, in order to make this bar switch 200 wiring convenient, please combine again and refer to fig. 8, in this embodiment, base 30 is the ladder-shaped structure, the ladder-shaped structure includes a plurality of step platform 35, outlet terminal cover 100 includes a plurality ofly, outlet terminal cover 40, outlet terminal cover 100 and step platform 35 all are the one-to-one setting, at least one binding post 50 has been put to outlet terminal cover 100, outlet terminal cover 40's stiff end and binding post 50 set up respectively on step platform 35, casing 10 is articulated through coupling assembling 20 and step platform 35, in order to further make this outlet terminal cover 100 can be under the prerequisite of increase alternate electric clearance and creepage distance, simplify bar switch 200's structure, reduce bar switch 200's volume.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a leading-out terminal cover, its characterized in that, including the casing and with casing fixed connection's coupling assembling, have in the casing and be used for the holding to be qualified for the next round of competitions female stiff end of arranging and binding post's accommodation space, be provided with first opening on the casing, first opening be used for with the wire that binding post is connected passes, coupling assembling is used for articulating with bar switch's base, so that the casing can be relative the base rotates.

2. The outlet terminal cover according to claim 1, wherein the connecting members comprise two sets, the connecting members comprise connecting arms fixedly connected with the housing and connecting shafts fixedly connected with the connecting arms, the connecting arms of the two connecting members are arranged at intervals, the connecting shafts of the two connecting members are arranged in opposite directions, and the connecting shafts are used for being hinged to the base.

3. The outlet terminal cover according to claim 1, wherein the housing further comprises a locking groove for engaging with a locking member of the base to fix the housing relative to the base.

4. The outlet terminal cover according to claim 1, wherein the housing further comprises a flange disposed on a side wall opposite the outlet busbar, the flange configured to be received in a groove on the base.

5. A bar switch is characterized by comprising a base, an outgoing line busbar and a wiring terminal which are arranged on the base, and the outgoing line terminal cover as claimed in any one of claims 1 to 4, wherein the base is hinged with a shell of the outgoing line terminal cover through a connecting component of the outgoing line terminal cover, a fixed end of the outgoing line busbar and the wiring terminal are both accommodated in an accommodating space of the outgoing line terminal cover, and a lead can pass through a first opening of the outgoing line terminal cover to be connected with the wiring terminal.

6. A bar switch according to claim 5, wherein said connection members comprise two sets, said connection members comprising connection arms fixedly connected to said housing and connection shafts fixedly connected to said connection arms, said connection arms of said connection members being spaced apart, said connection shafts of said connection members being disposed in opposite directions;

the base is provided with a connecting block, two ends of the connecting block are respectively provided with a connecting groove, and the connecting shaft is correspondingly accommodated in the connecting grooves so that the shell is hinged to the base.

7. Bar switch of claim 5, wherein the housing is further provided with a card slot;

the base is provided with a buckle, the buckle corresponds to the clamping groove, and the buckle is clamped with the clamping groove so that the shell can be clamped with the base.

8. Bar switch according to claim 5, wherein the housing is further provided with a flange on a side wall opposite to the outlet busbar;

the base is provided with a groove, the groove is positioned on the side wall opposite to the outgoing line busbar, the flange is arranged corresponding to the groove, and the flange can be contained in the groove.

9. The bar switch according to claim 5, further comprising a first fastener and a second fastener, wherein the base is provided with a mounting groove and a mounting hole, the fixed end of the outgoing busbar and the fixed end of the connection terminal are both sleeved on the first fastener, the fixed end of the outgoing busbar and the fixed end of the connection terminal are respectively abutted against two ends of the first fastener, one end of the first fastener is accommodated in the mounting groove, the outgoing busbar is provided with a fixing hole corresponding to the mounting hole, and the second fastener is accommodated in the mounting hole and the fixing hole, so that the outgoing busbar is fixedly connected with the base.

10. A bar switch according to claim 5, wherein the outlet busbar comprises a plurality of outlet busbars, the base is of a stepped structure, the stepped structure comprises a plurality of step platforms, the outlet terminal cover comprises a plurality of outlet busbars, the outlet terminal cover and the step platforms are arranged in a one-to-one correspondence, at least one of the connecting terminals is arranged in the outlet terminal cover, a fixed end of the outlet busbar and the connecting terminal are respectively arranged on the step platforms, and the shell is hinged to the step platforms through the connecting assembly.

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