Load Break Switch

Abstract

A load-breaking switch comprises a switch body and an outlet module detachably connected to the switch body, wherein the switch body comprises a body shell, an operating mechanism and at least one phase circuit arranged in the body shell, wherein the phase circuit comprises an incoming busbar, an outgoing busbar, and a contact system and a fuse connected in series; the outgoing module is provided with a wiring terminal connected to the outgoing busbar, a first outlet hole is provided at one end of the body shell away from the operating mechanism, and a second outlet hole is provided at one side of the body shell; the outgoing module is installed at one end of the switch body away from the operating mechanism, the outgoing busbar extends from the first outlet hole into the outgoing module to be connected to the wiring terminal, or the outgoing module is installed on the side of the switch body and arranged side by side with the switch body, the outgoing busbar extends from the second outlet hole into the outgoing module to be connected to the wiring terminal, and different wiring schemes are provided to users to adapt to different systems of users.

Description

Technical Field

[0001] The invention relates to the field of low-voltage electrical appliances, and in particular to a load breaking switch. Background Art

[0002] The load circuit breaker, with an energy storage isolating switch and a pluggable fuse group, is an important switch electrical appliance in the power distribution system. The user drives the operating mechanism through the handle to drive the moving contact to cooperate with the static contact to conduct and disconnect the circuit. The fuse group provides current protection.

[0003] When installing a load-break switch, due to the limitation of installation space, there are wiring requirements for different wiring directions and wiring requirements for different types of wires. Existing load-break switches are usually only adaptable to one assembly method. When different wiring requirements need to be adapted, different load-break switches need to be used, which is costly. Summary of the invention

[0004] The object of the present invention is to overcome the defects of the prior art and provide a load breaking switch.

[0005] To achieve the above object, the present invention adopts the following technical solutions:

[0006] A load-breaking switch, comprising a switch body and an outlet module detachably connected to the switch body, the switch body comprising a body housing, an operating mechanism and at least one phase circuit arranged in the body housing, the phase circuit comprising an incoming busbar, an outgoing busbar, and a contact system and a fuse connected in series, the contact system and the fuse being connected in series between the incoming busbar and the outgoing busbar, the contact system comprising a moving contact assembly and a stationary contact used in conjunction with each other, and the operating mechanism being connected to the moving contact assembly;

[0007] The outlet module is provided with a connection terminal connected to the outlet busbar, the end of the main body shell away from the operating mechanism is provided with a first outlet hole for the outlet busbar to extend out, and one side of the main body shell is provided with a second outlet hole for the outlet busbar to extend out;

[0008] The outlet module is installed at one end of the switch body away from the operating mechanism, and the outlet busbar extends from the first outlet hole into the outlet module and is connected to the wiring terminal, or the outlet module is installed on the side of the switch body and is arranged side by side with the switch body, and the outlet busbar extends from the second outlet hole into the outlet module and is connected to the wiring terminal.

[0009] Preferably, the main body shell includes a base part and a main body part installed on the base part, the main body part is used to accommodate the operating mechanism and the contact system and fuse of the phase circuit, and the base part is used to install the incoming busbar and the outgoing busbar; the first outlet hole is provided at one end of the base part, and the second outlet hole is provided on one side of the base part, or the second outlet hole is provided on both sides of the base part.

[0010] Preferably, a detachable wire outlet hole baffle for shielding the first wire outlet hole and the second wire outlet hole is provided on the main body shell.

[0011] Preferably, the outgoing busbar in the base part is a lower outgoing busbar, the outgoing module is a lower-mounted outgoing module installed at one end of the switch body away from the operating mechanism, and the lower outgoing busbar extends from the first outgoing hole into the lower-mounted outgoing module; or, the outgoing busbar in the base part is a side outgoing busbar, the outgoing module is a side-mounted outgoing module installed on the side of the switch body, and the side outgoing busbar extends from the second outgoing hole into the side-mounted outgoing module.

[0012] Preferably, the load-breaking switch comprises a plurality of phase circuits, each phase circuit comprises two contact systems and a fuse connected in series between the two contact systems, each contact system comprises two stationary contacts and at least one moving contact assembly, two ends of the moving contact assembly respectively cooperate with the two stationary contacts, the body shell composed of the base part and the main body part is a rectangular parallelepiped structure, the width of the body shell is smaller than the height of the body shell, and the height of the body shell is smaller than the length of the body shell;

[0013] The operating mechanism is arranged at one end of the main body part, and the multiple phase circuits are arranged in sequence in the main body part along the length direction of the main body shell. The two groups of contact systems of each phase circuit are arranged at intervals along the length direction of the main body shell, and the two static contacts of each group of contact systems are arranged at intervals up and down along the height direction of the main body shell. The two ends of the corresponding moving contact assembly are respectively matched with the two static contacts, and the corresponding fuse is arranged above the two groups of contact systems. The two ends of the fuse are respectively electrically connected to a static contact located above the two groups of contact systems, and a static contact located below the two groups of contact systems is respectively connected to the corresponding incoming busbar and outgoing busbar.

[0014] Preferably, each group of contact systems includes two stationary contacts and two moving contact assemblies, each stationary contact is provided with two stationary contact contact plates, the two moving contact assemblies are spaced apart along the width direction of the main body shell, one end of the two moving contact assemblies respectively cooperate with the two stationary contact contact plates of one stationary contact, and the other end of the two moving contact assemblies respectively cooperate with the stationary contact contact plates of the other stationary contact.

[0015] Preferably, a wire inlet hole is provided on the bottom side of the base part, and a plurality of first terminal lug mounting grooves and a plurality of second terminal lug mounting grooves are provided on the top side of the base part, the first terminal lug mounting grooves and the second terminal lug mounting grooves are alternately arranged along the length direction of the base part, the first terminal lug mounting grooves are used to install the second incoming terminal lugs of the incoming busbar, and the second terminal lug mounting grooves are used to install the second outgoing terminal lugs of the outgoing busbar;

[0016] A wire hole is provided in the first wiring piece installation groove, the wire hole is connected to the wire inlet hole on the bottom side of the base part, and the first wire inlet wiring piece of the inlet busbar extends from the wire hole to a position corresponding to the wire inlet hole;

[0017] The second terminal lug mounting groove is arranged correspondingly and connected to the second wire outlet hole, and a wire passing gap arranged along the length direction of the base part is provided between at least one second terminal lug mounting groove and a side wall of the base part, the wire passing gap connects the second terminal lug mounting groove and the first wire outlet hole, and the wire outlet connecting piece of the outlet busbar is installed in the wire passing gap, so that the first outlet terminal lug extends from the first wire outlet hole.

[0018] Preferably, the base portion includes three first terminal lug mounting grooves and three second terminal lug mounting grooves that are alternately arranged, and a side wall of one side of the base portion is provided with three second wire outlet holes, and the three second wire outlet holes are respectively arranged corresponding to and connected with the three second terminal lug mounting grooves, and a first wire outlet hole is provided at one end of the base portion, and two of the three second terminal lug mounting grooves that are far away from the first wire outlet hole have a wire passing gap arranged along the length direction of the base portion between one and a side wall of the base portion, and another wire passing gap arranged along the length direction of the base portion between the other and another side wall of the base portion.

[0019] Preferably, the main body shell is provided with a sixth fixing hole penetrating the main body shell from both sides, which is used for fixed connection with the outlet module installed on one side of the main body shell.

[0020] Preferably, one side or both sides of the base portion are provided with a dovetail groove for fixedly connecting with an outlet module installed on one side of the main body shell.

[0021] Preferably, two base fixing ribs are protruded on the side wall of the end of the main body away from the operating mechanism, and a fourth fixing hole is provided on the base fixing rib for fixed connection with the output module installed at one end of the main body shell; protective cover fixing convex bumps are provided on both sides of the end of the main body shell away from the operating mechanism, and a protective cover clamp is provided on the top side of the end of the main body part away from the operating mechanism.

[0022] Preferably, a fixing plate groove is provided at one end of the bottom side of the base portion close to the first wire outlet hole, and a second fixing hole is correspondingly provided in the fixing plate groove for fixed connection with a wire outlet module installed at one end of the main body shell.

[0023] Preferably, the outlet module is a side-mounted outlet module, which includes a side outlet base and a wiring terminal installed on the side outlet base. The side-mounted outlet module is installed on the side of the switch body and is arranged side by side with the switch body. One end of the side-mounted outlet module is a second wiring terminal, which is in a multi-step shape and includes a plurality of wiring steps connected in sequence. The top surface of the wiring step is a second wiring top surface, and the second wiring top surface is installed with a wiring terminal; the side surface on which the side outlet base is connected to the body shell is the incoming side surface, the first outgoing wiring piece of the outgoing busbar extends from the incoming side surface to the side outlet base, and the first outgoing wiring piece of the outgoing busbar is connected to the wiring terminal; a plurality of second protective covers are rotatably installed on the corresponding wiring steps, and are respectively used to cover the wiring terminals installed on the plurality of wiring steps.

[0024] Preferably, the outlet module is a bottom-mounted outlet module, and the bottom-mounted outlet module includes a bottom-mounted outlet base and a wiring terminal installed on the bottom-mounted outlet base. The bottom-mounted outlet base is installed at one end of the switch body away from the operating mechanism, and the outlet busbar is connected to the wiring terminal; one end of the bottom-mounted outlet base is a connection end, which is used to connect to one end of the body shell, and the other end is a wiring terminal, which is in a multi-step shape, including a plurality of wiring steps connected in sequence, which are used to connect external wires. The top surface of the wiring step is the wiring top surface, and the wiring terminal is installed on the wiring top surface. The first incoming wiring piece of the incoming busbar is connected to the wiring terminal. The bottom-mounted outlet module also includes a phase partition and a protective cover. The phase partition is installed between adjacent wiring terminals, and the protective cover covers the bottom-mounted outlet base.

[0025] The switch body of the load-breaking switch of the present invention supports installing the outlet module at one end of the switch body, or at one side of the switch body. The switch body can be assembled with different outlet modules as needed to form load-breaking switches with different wiring directions. The sizes of the load-breaking switches of the two embodiments are different in length and width, and different wiring schemes are provided to users to adapt to different systems of users.

[0026] In addition, the switch body of the present invention includes a base part and a main body part installed on the base part. The base part can simultaneously support the installation of two different outgoing busbars, which are respectively used to cooperate with the bottom-mounted outgoing module and the side-mounted outgoing module. Different outgoing busbars can be assembled according to needs, with high adaptability and greatly reduced costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the load circuit switch and the lower-mounted outlet module of the present invention;

[0028] Figure 2It is a schematic diagram of the overall structure of the load circuit switch and the side-mounted outlet module of the present invention;

[0029] Figure 3-4 It is a structural schematic diagram of the switch body of the present invention;

[0030] Figure 5 It is a structural diagram of the bottom-mounted outlet module;

[0031] Figure 6 It is a partial schematic diagram of the connection structure between the bottom-mounted outlet module and the bottom side of the switch body;

[0032] Figure 7 It is a partial schematic diagram of the connection structure between the connection end of the bottom-mounted outlet module and the switch body;

[0033] Figure 8 It is a partial schematic diagram of the connection structure between the bottom-mounted outlet module and the switch body at another angle;

[0034] Fig. 9 It is a partial schematic diagram of the assembly of the protective cover of the bottom-mounted outlet module;

[0035] Fig.10 It is an assembly cross-sectional view of the protective cover of the bottom-mounted outlet module;

[0036] Fig.11 It is a schematic diagram of the assembly of the bottom outlet module and the base part of the switch body;

[0037] Fig.12 It is a top view of the bottom-mounted outlet module and the base portion of the switch body;

[0038] Fig.13 It is a structural schematic diagram of the outgoing busbar and the incoming busbar installed in the base part in coordination with the down-mounted outgoing module;

[0039] Fig.14 It is a structural diagram of the side-mounted outlet module;

[0040] Fig.15 It is a schematic diagram of the connection structure between the side-mounted outlet module and the switch body;

[0041] Fig.16 It is another schematic diagram of the connection structure between the side-mounted outlet module and the switch body;

[0042] Fig.17 It is a schematic diagram of the connection structure between the side-mounted outlet module and the bottom side of the switch body;

[0043] Fig.18 It is an embodiment of connecting the side-mounted outlet module with the wire, with one wire connected to each phase;

[0044] Fig.19Another embodiment of connecting the side-mounted outlet module to the wires, with two wires connected to each phase;

[0045] Fig. 20 The third embodiment of the side-mounted outlet module connected to the wires, with two wires connected to each phase;

[0046] Fig.21 It is a schematic diagram of the assembly of the side-mounted outlet module and the base part of the switch body. DETAILED DESCRIPTION

[0047] The specific implementation of the load circuit switch of the present invention is further described below in conjunction with the embodiments given in the accompanying drawings. The load circuit switch of the present invention is not limited to the description of the following embodiments.

[0048] like Figure 1-4 As shown, the load circuit switch of this embodiment includes a switch body 1 and an outlet module 6 detachably connected to the switch body 1 .

[0049] The switch body 1 includes a body shell 10, and an operating mechanism 2 and at least one phase circuit arranged in the body shell 10. The phase circuit includes an incoming busbar 34, an outgoing busbar 33, and a contact system 3 and a fuse 4 connected in series. The contact system 3 and the fuse are connected in series between the incoming busbar 34 and the outgoing busbar 33. The contact system 3 includes a moving contact assembly 31 and a stationary contact 30 used in conjunction with each other. The handle 20 is connected to the operating mechanism 2, and the operating mechanism 2 is connected to the moving contact assembly 31; the operating mechanism 2 is connected to the moving contact assembly 31, and the toggle handle 20 drives the moving contact assembly 31 to reciprocate through the operating mechanism, so that the moving contact assembly 31 contacts and separates with the stationary contact 30, thereby realizing the closing and disconnection of the circuit. When the circuit is overloaded or short-circuited, the fuse 4 is blown to realize circuit protection.

[0050] The outlet module 6 is provided with a connection terminal connected to the outlet busbar 33. An improvement of the present invention is that it has an independent outlet module 6 that can be detachably assembled, and the outlet module 6 is detachably connected to the switch body 1. The load-breaking switch supports the use of different outlet modules 6 to connect different wires. The outlet module 6 and the switch body 1 can be connected by means of screws or buckles.

[0051] An improvement of the present invention is that the switch body 1 of the present invention supports the installation of the outlet module 6 at one end of the switch body 1 or at one side of the switch body 1. The switch body 1 can be assembled with different outlet modules 6 as needed to form load-breaking switches with different wiring directions. Figure 1 In one embodiment shown in FIG. 1 , the outlet module 6 is a bottom-mounted outlet module 61, which is installed at one end of the switch body 1 away from the operating mechanism 2. Figure 2In another embodiment shown, the outlet module 6 is a side-mounted outlet module 62, which is installed on the side of the switch body 1 and arranged side by side with the switch body 1. The load break switches of the two embodiments are different in length and width, providing users with different wiring solutions to adapt to different systems of users.

[0052] The end of the main body shell 10 away from the operating mechanism 2 is provided with a first outlet hole 161 for the outlet busbar 33 to extend out, and the side of the main body shell 10 is provided with a second outlet hole 162 for the outlet busbar 33 to extend out, which can simultaneously support the assembly with the bottom-mounted outlet module 61 and the side-mounted outlet module 62 to meet the different wiring requirements of users. The outlet module 6 is installed at the end of the switch body 1 away from the operating mechanism 2, and the outlet busbar 33 extends from the first outlet hole 161 to the outlet module 6 to connect with the wiring terminal, or the outlet module 6 is installed on the side of the switch body 1 and arranged side by side with the switch body 1, and the outlet busbar 33 extends from the second outlet hole 162 to the outlet module 6 to connect with the wiring terminal.

[0053] Preferably, the second wire outlet holes 162 are provided on both sides of the main body shell 10 , and the user can choose to install the side-mounted wire outlet module 62 on any side of the switch body 1 according to needs.

[0054] Preferably, a detachable outlet hole baffle for shielding the first outlet hole 161 and the second outlet hole 162 is provided on the main body shell 10. The outlet hole baffle shields the unused outlet holes, and the user can remove the corresponding outlet hole baffle when using the first outlet hole 161 or the second outlet hole 162. The outlet hole baffle is snap-fitted with the main body shell 10, or the outlet hole baffle is integrally formed with the main body shell 10, but is easy to remove, for example, a removal wire groove is provided.

[0055] Preferably, Figure 1-2 As shown, the body housing 10 includes a base portion 12 and a main body portion 11 mounted on the base portion 12, the main body portion 11 is used to accommodate the operating mechanism 2 and the contact system 3 and fuse 4 of the phase circuit, and the base portion 12 is used to install the incoming busbar 34 and the outgoing busbar 33; one end of the base portion 12 is provided with the first outlet hole 161, and one side of the base portion 12 is provided with the second outlet hole 162, or the two sides of the base portion 12 are provided with the second outlet hole 162. Of course, as other embodiments, the first outlet hole 161 and the second outlet hole 162 can also be set on the main body 11.

[0056] like Figure 3-4As shown, the load circuit switch includes a plurality of phase circuits, each phase circuit includes two groups of contact systems 3 and a fuse 4 connected in series between the two groups of contact systems 3, each group of contact systems 3 includes two stationary contacts 30 and at least one moving contact assembly 31, and the two ends of the moving contact assembly 31 are respectively matched with the two stationary contacts 30. The body shell 10 is a rectangular parallelepiped structure, the width of the body shell 10 is smaller than the height of the body shell 10, and the height of the body shell 10 is smaller than the length of the body shell 10. The operating mechanism 2 is arranged at one end in the main body part 11, and the handle 20 is connected to the operating mechanism 2, and the handle 20 extends from the top side of the body shell 10 corresponding to the operating mechanism 2.

[0057] The multiple phase circuits are sequentially arranged in the main body 11 along the length direction of the main body shell 10, and the two groups of contact systems 3 of each phase circuit are arranged at intervals along the length direction of the main body shell 10. The two static contacts 30 of each group of contact systems 3 are arranged at intervals up and down along the height direction of the main body shell 10. The two ends of the corresponding moving contact assembly 31 are respectively matched with the two static contacts 30, and the corresponding fuse 4 is arranged above the two groups of contact systems 3, close to the top side of the main body shell 10, so as to facilitate installation and replacement. The two ends of the fuse 4 are respectively electrically connected to a static contact 30 located above the two groups of contact systems 3, and a static contact located below the two groups of contact systems 3 is respectively connected to the corresponding incoming busbar 34 and outgoing busbar 33. The incoming busbar 34 and the outgoing busbar 33 are arranged on the bottom side of the main body shell 10, and the incoming busbar 34 and the outgoing busbar 33 are respectively used to connect the incoming conductor and the outgoing conductor.

[0058] The load circuit switch of this embodiment includes three phase circuits, each phase circuit includes two groups of contact systems 3 and a fuse 4 connected in series between the two groups of contact systems 3. It should be noted that, obviously, one phase circuit or multiple phase circuits can also be set as needed; more groups of contact systems 3 can also be set in each phase circuit to make the load circuit breaker suitable for breaking higher currents and voltages. In this embodiment, two groups of contact systems 3 are preferably set in each phase circuit, and a fuse 4 is connected in series between the two groups of contact systems 3; each group of contact systems 3 in this example includes two stationary contacts 30 arranged at intervals and two moving contact assemblies 31 arranged side by side at intervals, each stationary contact 30 includes two stationary contact contact plates 301 respectively matched with one end of the two moving contact assemblies 31, one end of the two moving contact assemblies 31 respectively matches with the two stationary contact contact plates 301 of one stationary contact 30, and the other ends of the two moving contact assemblies 31 respectively match with the stationary contact contact plates 301 of the other stationary contact 30. Obviously, each contact system 3 may include only one moving contact assembly 31, and one stationary contact 30 may include only one stationary contact plate 301. The operating mechanism 2 may adopt an energy storage type operating mechanism, in which the energy storage spring is compressed in the early stage of the swing of the handle 20, and the energy storage spring releases energy after passing the dead point to drive the moving contact assembly 31 to close quickly. Of course, the operating mechanism 2 may also adopt a four-link structure without energy storage.

[0059] The load short-circuit switch also includes a push plate 5, the moving contact assembly 31 is mounted on the push plate 5, the push plate 5 is connected to the operating mechanism 2, and is linearly slidably matched with the body shell 10, the static contact 30 is fixedly mounted in the body shell 10, and the operating mechanism 2 drives the push plate 5 to slide back and forth horizontally along the length direction of the body shell 10, so that the moving contact assembly 31 contacts and separates from the static contact 30. In this embodiment, the push plate 5 is matched with the body shell 10 through a first guide limit structure, and the first guide limit structure includes a rolling device and a rolling track used in conjunction. Through the cooperation of the rolling device and the rolling track, the movement friction of the push plate can be changed from plane friction to rolling friction, which greatly reduces the friction force of the push plate movement process, speeds up the closing and opening speed, improves the contact performance, and can improve the applicable voltage level.

[0060] like Figure 3-4 As shown, the rolling device includes a rolling bearing 51, and bearing mounting shafts for mounting the rolling bearing 51 are respectively provided on both sides of the push plate 5. The main body shell 10 also includes a rolling track 52 that cooperates with the rolling bearing 51, and a first connecting shaft 53 combines the push plate 5 and the operating mechanism 2 together.

[0061] like Fig.13 , 21 As shown, the incoming busbars 34 and outgoing busbars 33 of the multiple phase circuits are sequentially arranged in the base portion 12 along the length direction of the switch body 1 .

[0062] The outgoing busbar 33 includes a first outgoing wiring piece 331 and a second outgoing wiring piece 332 at both ends, and an outgoing connection piece 333 connected between the first outgoing wiring piece 331 and the second outgoing wiring piece 332. The second outgoing wiring piece 332 is used to connect with the static contact 31, and the first outgoing wiring piece 331 is used to connect with the wiring terminal in the outgoing module 6. The first outgoing wiring piece 331 is provided with a first outgoing wiring hole 3311 and a first outgoing assembly hole 3312. The first outgoing wiring hole 3311 is provided at the center of the first outgoing wiring piece 331 for matching with the wiring screw. Fig.13 The outgoing busbar 33 is a preferred embodiment of a lower outgoing busbar, which is used to cooperate with the embodiment of the lower mounted outgoing module 61, and three lower outgoing busbars of a three-phase circuit are arranged in the base portion 12; Fig.21 A preferred side outlet busbar embodiment is used to cooperate with an embodiment of a side-mounted outlet module 62.

[0063] The incoming line busbar 34 includes a first incoming line connection piece 341 and a second incoming line connection piece 342 located at both ends, and an incoming line connection piece 343 connected between the first incoming line connection piece 341 and the second incoming line connection piece 342, the second incoming line connection piece 342 is used to connect with the static contact 31, the first incoming line connection piece 341 is arranged at the bottom of the base part 12, and the base part 12 is provided with an incoming line hole 127 corresponding to the first incoming line connection piece 341. In this embodiment, the incoming line busbar 34 used for the bottom-mounted outgoing line module 61 and the incoming line busbar 34 used for the side-mounted outgoing line module 62 have the same structure, and the first incoming line connection piece 341, the second incoming line connection piece 342 and the incoming line connection piece 343 are in a Z shape.

[0064] Another preferred improvement of this embodiment is that the base portion 12 can be used to install two different outgoing busbars, which are respectively used to cooperate with the bottom-mounted outgoing module 61 and the side-mounted outgoing module 62. Different outgoing busbars can be assembled according to needs, which has high adaptability and greatly reduces costs. The outgoing busbar 33 in the base portion 12 is a bottom outgoing busbar, and the outgoing module 6 is a bottom-mounted outgoing module 61 installed at an end of the switch body 1 away from the operating mechanism 2, and the bottom outgoing busbar extends from the first outgoing hole 161 into the bottom-mounted outgoing module 61; or, the outgoing busbar 33 in the base portion 12 is a side outgoing busbar, and the outgoing module 6 is a side-mounted outgoing module 62 installed on the side of the switch body 1, and the side outgoing busbar extends from the second outgoing hole 162 into the side-mounted outgoing module 62

[0065] like Fig.11 , 21As shown, one end of the base portion 12 is provided with the first outlet hole 161, and at least one side of the base portion 12 is provided with the second outlet hole 162, and the bottom side of the base portion 12 is provided with an inlet hole 127; the top side of the base portion 12 is provided with a plurality of first terminal plate mounting grooves 124 and a plurality of second terminal plate mounting grooves 123, the first terminal plate mounting grooves 124 and the second terminal plate mounting grooves 123 are alternately arranged along the length direction of the base portion 12, the first terminal plate mounting grooves 124 are used to install the second incoming terminal plate 342 of the incoming busbar 34, and the second terminal plate mounting grooves 123 are used to install the second outgoing terminal plate 332 of the outgoing busbar 33;

[0066] A wire hole 125 is provided in the first terminal block mounting groove 124, and the wire hole 125 is connected to the wire inlet hole 127 on the bottom side of the base part 12, and the first incoming wire terminal 341 of the incoming busbar 34 extends from the wire hole 125 to a position corresponding to the wire inlet hole 127; the second terminal block mounting groove 123 is correspondingly arranged and connected to the second outlet hole 162, and a wire gap 126 is provided between at least one second terminal block mounting groove 123 and a side wall of the base part 12 along the length direction of the base part 12, and the wire gap 126 connects the second terminal block mounting groove 123 and the first outlet hole 161. In this embodiment, the base portion 12 is correspondingly arranged and connected with the second wire outlet hole 162 through the second wiring lug mounting groove 123, and the second wiring lug mounting groove 123 is connected with the first wire outlet hole 161 through the wire passing gap 126. The wire passing gap 126 connects the second wiring lug mounting groove 123 and the first wire outlet hole 161. The wire outlet connecting piece 333 of the outlet busbar 33 is installed in the wire passing gap 126, so that the first outlet wiring lug 331 extends from the first wire outlet hole 161, which can be adapted to two different outlet busbars 33.

[0067] The base portion 12 of the present embodiment is used to install the outgoing busbar 33 and the incoming busbar of the three-phase circuit. The base portion 12 includes three first terminal lug mounting slots 124 and three second terminal lug mounting slots 123 that are alternately arranged. A side wall of one side of the base portion 12 is provided with three second wire outlet holes 162. The three second wire outlet holes 162 are respectively arranged corresponding to and connected with the three second terminal lug mounting slots 123. A first wire outlet hole 161 is provided at one end of the base portion 12. Two of the three second terminal lug mounting slots 123 that are far away from the first wire outlet hole 161 have a wire gap 126 arranged along the length direction of the base portion 12 between one and one side wall of the base portion 12, and another wire gap 126 arranged along the length direction of the base portion 12 between the other and another side wall of the base portion 12. Figure 11-13As shown, the outlet busbars 33 are three lower outlet busbars, wherein the planes where the outlet connection pieces 333 of two lower outlet busbars are located are parallel to the side walls of the base portion 12, and are used to cooperate with the wire clearance 126; the plane where the outlet connection piece 333 of one lower outlet busbar is located is perpendicular to the side walls of the base portion 12, extends from the first outlet hole 161 to the top side of the switch body 1, and is arranged in the wiring clearance 6116 between the switch body 1 and the lower outlet module 61. Fig.21 As shown, the outgoing busbar 33 is composed of three side outgoing busbars, one of which is in a straight line shape, and two of which are in a Z shape.

[0068] like Figure 1 , 5 An embodiment of an outlet module 6 is shown, wherein the outlet module 6 is a bottom-mounted outlet module 61. The load circuit breaker of this embodiment includes a switch body 1 and a bottom-mounted outlet module 61 detachably connected to the switch body 1. The bottom-mounted outlet module 61 includes a bottom-mounted outlet base 610 and a wiring terminal installed on the bottom-mounted outlet base 610. The bottom-mounted outlet base 610 is installed at one end of the switch body 1 away from the operating mechanism 2. The outlet busbar 33 is connected to the wiring terminal. Different bottom-mounted outlet modules can be replaced as needed to meet the wiring requirements of connecting different wires.

[0069] The lower outlet module 61 includes a lower outlet base 610, a plurality of wiring terminals, a phase partition 615 and a protective cover 613. One end of the lower outlet base 610 is a connection end 611, which is used to connect to one end of the main body shell 10, and the other end is a wiring terminal 612. The wiring terminal 612 is in a multi-step shape, including a plurality of wiring steps connected in sequence, which are used to connect external wires. The top surface of each wiring step of the wiring terminal 612 is a wiring top surface 6121, and a wiring terminal is installed on the wiring top surface 6121. The first incoming wiring piece 341 of the incoming busbar 34 is connected to the wiring terminal, and the wiring terminal is used to connect to an external wire. The phase partition 615 is installed between adjacent wiring terminals to separate adjacent wiring terminals. The protective cover 613 covers the lower outlet base 610 and covers the multiple wiring terminals on the lower outlet base 610.

[0070] like Figure 6As shown, a base fixing piece 6111 is protruded from the bottom side of the connection end 611 of the lower outlet base 610, and a first fixing hole 6112 is provided on the outlet base fixing piece 6111. A fixing piece groove for accommodating the outlet base fixing piece 6111 is provided at one end of the bottom side of the base part 12 close to the first outlet hole 161, and a second fixing hole is correspondingly provided in the fixing piece groove. When assembled, the base fixing piece 6111 extends to the bottom of the bottom side of the base part 12, and the first fixing screw passes through the first fixing hole 6112 and the second fixing hole to fix the lower outlet base 610 to the base part 12. The second fixing hole is a screw hole, or a nut is embedded in the second fixing hole.

[0071] like Figure 5 , 7 As shown, third fixing holes 6113 are provided on the side walls of both sides of the lower wire outlet base 610 close to the connecting end 611, and nuts are embedded in the third fixing holes 6113. Two base fixing ribs 113 arranged at intervals are raised on the side wall of the end of the main body 11 away from the operating mechanism 2, and a fourth fixing hole 1130 is provided on the base fixing rib 113. The connecting end 611 of the lower wire outlet base 610 is limited between the two wire outlet base fixing ribs 6114, and the second fixing screw fixes the lower wire outlet base 610 to the main body 11 through the third fixing hole 6113 and the fourth fixing hole 1130.

[0072] Preferably, the side wall protrusion of the connecting end 611 of the lower outlet base 610 is provided with two first positioning ribs 6115 arranged at intervals, and the first positioning rib 6115 is abutted against the side wall of the end of the main body 11 away from the operating mechanism 2 to facilitate positioning of the third fixing hole 6113 and the fourth fixing hole 1130, and a wiring gap 6116 for passing the outlet busbar 33 is formed between the main body 11 and the connecting end 611 of the lower outlet base 610.

[0073] The assembly method of the lower outlet base 610 and the switch body 1 of this embodiment is simple and reliable. Of course, the lower outlet base 610 and the switch body 1 can also be fixed in other ways.

[0074] like Figure 5 , 8As shown, the wiring terminal of this embodiment includes a wiring screw 604, and the wiring rod of the wiring screw 604 is vertically arranged on the wiring top surface 6121, which is used to connect the connecting plate conductor with a round hole wiring piece at the end. The first outlet wiring piece 331 of the outlet busbar 33 is provided with a first outlet wiring hole 3311 and a first outlet assembly hole 3312 that match the wiring rod of the wiring screw 604. The first outlet wiring hole 3311 passes through the wiring rod of the wiring screw 604, and the first outlet wiring piece 331 is installed on the wiring top surface 6121; the wiring top surface 6121 is also provided with a second outlet screw hole 6122, and the first outlet screw 3313 is fixed to the first outlet wiring piece 331 and the lower outlet base 610 through the first outlet assembly hole 3312 and the second outlet screw hole 6122 from the bottom side of the lower outlet base 610. The first outlet screw 3313 can be fixed with a nut, or the outlet assembly hole can be a threaded hole. The wiring screw 604 includes a wiring rod and a hexagonal screw cap at one end of the wiring rod, the screw cap is hexagonal, a screw mounting groove is provided on the wiring top surface 6121, the screw mounting groove is hexagonal, the screw cap of the wiring screw 604 is installed in the screw mounting groove of the wiring top surface 6121, the first outlet wiring hole 3311 of the first outlet wiring piece 331 passes through the wiring rod of the wiring screw 604 and is pressed on the screw cap to fix the wiring screw 604.

[0075] Obviously, other types of terminals can be provided as needed to connect different types of wires, such as terminals for connecting conductive bars, terminals for connecting conventional wires, etc. For example, the terminals can include a frame-type terminal block and a terminal screw, the first outlet terminal hole 3311 extends into the terminal block, the external wire is inserted into the terminal block for connection, the terminal block is provided with a threaded hole, the terminal screw is installed on the threaded hole, and the external wire is tightened by screwing the terminal screw.

[0076] The lower outlet module 61 of this embodiment is used to connect with the outlet busbar 33 of the three-phase circuit, that is, to connect with three outlet busbars 33. The lower outlet base 610 is provided with three wiring steps. The first outlet connection piece 331 of the first outlet busbar 33 extends from one side of the lower outlet base 610 to the wiring top surface 6121 of the first wiring step, the first outlet connection piece 331 of the second outlet busbar 33 extends from the other side of the lower outlet base 610 to the wiring top surface 6121 of the second wiring step, and the first outlet connection piece 331 of the third outlet busbar 33 extends from the connection end 611 to the wiring top surface 6121 of the highest third wiring step. The outlet busbar 33 of this embodiment has a compact structure in the way of entering the line, and the required size of the lower outlet base 610 is the smallest. Of course, other wiring entry methods may also be used, such as multiple outgoing busbars 33 extending from the connection end 611 to the connection top surfaces 6121 of multiple connection steps at different heights, and a through hole is provided on one side of the connection end 611 of the lower outgoing base 610.

[0077] like Figure 5 , 8 As shown, one end of the phase partition 615 is provided with a phase partition positioning hole 6152, and the bottom of one end is provided with a phase partition fixing rib 6151, and the wiring top surface 6121 is provided with a phase partition positioning rib 6123 and a phase partition fixing groove 6124, one end of the phase partition 615 is installed on the wiring top surface 6121, the phase partition fixing rib 6151 is embedded in the phase partition fixing groove 6124, the phase partition positioning hole 6152 is sleeved on the phase partition positioning rib 6123, and the first outgoing wiring piece 331 of the outgoing busbar 33 is pressed on one end of the phase partition 615 to fix the phase partition 615, and the assembly method is simple and convenient.

[0078] like Figure 1 , 9 -10, the protective cover 613 is in an inverted U-shape and buckled on the lower outlet base 610. The two sides of the end of the main body shell 10 away from the operating mechanism 2 are provided with protective cover fixing convex bumps 6101, and the protective cover fixing convex bumps 6101 are arranged on both sides of the main body part 11 or on both sides of the lower outlet base 610. The inner side wall of the protective cover 613 is provided with an elastic arm group 6131 composed of a plurality of elastic arms arranged linearly from top to bottom. The protective cover 613 is inserted into the lower outlet base 610 from above, and the fixing convex bump 6101 cooperates with the elastic arm group 6131 to fix the protective cover 613. The protective cover fixing convex bump 6101 of this embodiment is arranged on the base fixing rib 113 of the main body part 11. A protective cover clamping platform 1132 is provided on the top side of the end of the main body 11 away from the operating mechanism 2, and a protective cover elastic buckle 6132 is bent on the side of the top side of the protective cover 613 near the connecting end 611 of the lower outlet base 610 for being connected with the protective cover clamping platform 1132 of the main body 11 (see Figure 2 When the user needs to remove the protective cover 613, the protective cover elastic buckle 6132 of the protective cover 613 can be opened to unlock the protective cover clamping platform 1132, and then the plastic deformation force of the elastic arm group 6131 can be overcome to remove the protective cover 613.

[0079] like Figure 2 , 14 -15 is another embodiment of the outlet module 6, the outlet module 6 is a side-mounted outlet module 62, the side-mounted outlet module 62 includes a side outlet base 620 and a wiring terminal installed on the side outlet base 620, the side-mounted outlet module 62 is installed on the side of the switch body 1, and is arranged side by side with the switch body 1, the outlet busbar 33 is connected to the wiring terminal, and different side-mounted outlet modules 62 can be replaced as needed to meet the wiring requirements of connecting different wires.

[0080] The side-mounted outlet module 62 of this embodiment includes a side outlet base 620, a plurality of wiring terminals and a plurality of second protective covers 623. One end of the side-mounted outlet module 62 is a second wiring terminal 622, and the other end is a sealed end 621. The second wiring terminal 622 is in a multi-step shape, including a plurality of wiring steps connected in sequence, and the top surface of the wiring step is a second wiring top surface 6221. The second wiring top surface 6221 is equipped with a wiring terminal for connecting an external wire; the side surface of the side outlet base 620 connected to the body shell 10 is an incoming wire side surface 624, and the first outgoing wire connection piece 331 of the outgoing busbar 33 extends from the incoming wire side surface 624 to the side outlet base 620, and the first outgoing wire connection piece 331 of the outgoing busbar 33 is connected to the wiring terminal, and the wiring terminal is used to connect to an external wire.

[0081] like Fig.14 , 16 As shown, the side outlet base 620 is provided with a fifth fixing hole 6201 penetrating the side outlet base 620 from both sides, the main body shell 10 is provided with a sixth fixing hole penetrating the main body shell 10 from both sides, and the third fixing screws are fixedly connected to the side outlet module 62 and the main body shell 10 through the fifth fixing hole 6201 and the sixth fixing hole. The sixth fixing hole is provided on the base part 12 and / or the main body part 11, and the sixth fixing hole penetrates both sides of the main body shell 10, and is fixed by the third fixing screw and the nut, or the fifth fixing hole 6201 is provided with a thread and a nut is pre-embedded, etc. In addition to the screw connection, it can also be fixed by buckles or other methods.

[0082] like Fig.14 , 17 As shown, one side or both sides of the base portion 12 are provided with a second outlet hole 162 for the outlet busbar 33 to extend out, and one side or both sides of the base portion 12 are provided with a dovetail groove 6202, the dovetail groove 6202 extends to the bottom side of the base portion 12, and the inlet side surface 624 of the side outlet base 620 is provided with a limiting guide rib 6241 matching the dovetail groove 6202, the limiting guide rib 6241 is inserted into the dovetail groove 6202 from the bottom side of the base portion 12, and the side outlet base 620 is fixedly installed on the base portion 12 through the limiting guide rib 6241 and the dovetail groove 6202. Preferably, the dovetail groove 6202 is arranged corresponding to the second outlet hole 162, so that when the side outlet base 620 is installed, the first outlet wiring hole 3311 of the first outlet wiring piece 331 of the outlet busbar 33 is matched with the wiring screw 604. There are one or more dovetail grooves 6202 , and the dovetail grooves 6202 can also be set on the main body 11 , or a limiting guide rib 6241 can be set on the main shell 10 , or the dovetail groove 6202 can be set on the side outlet base 620 .

[0083] like Figure 14-15 As shown in Figures 17, the wiring terminal of this embodiment includes a wiring screw 604, and the wiring rod of the wiring screw 604 is vertically arranged on the second wiring top surface 6221. The second wiring top surface 6221 is provided with a screw installation groove, and the screw installation groove is hexagonal. The wiring screw 604 includes a wiring rod and a hexagonal screw cap at one end of the wiring rod, and the screw cap of the wiring screw 604 is installed in the screw installation groove of the second wiring top surface 6221. The first outlet wiring piece 331 of the outlet busbar 33 is installed on the second wiring top surface 6221. The first outlet wiring piece 331 is provided with a first outlet wiring hole 3311 and a first outlet assembly hole 3312. The first outlet wiring hole 3311 of the first outlet wiring piece 331 passes through the wiring rod of the wiring screw 604 and is pressed on the screw cap to fix the wiring screw 604; the second wiring top surface 6221 is also provided with a third outlet screw hole 6222. The second outlet screw is fixed to the first outlet wiring piece 331 and the side outlet base 620 through the third outlet screw hole 6222 and the first outlet assembly hole 3312 from the bottom side of the side outlet base 620.

[0084] like Figure 14-15 As shown, the multiple second protective covers 623 are respectively used to cover the wiring terminals installed on multiple wiring steps, and each second protective cover 623 corresponds to a wiring step. Of course, as other embodiments, one protective cover can also be used to cover all the wiring terminals at the same time. In this embodiment, the second protective cover 623 is rotatably installed on the corresponding wiring step. The second protective cover 623 is in an inverted U shape. A side wall of the second protective cover 623 is provided with a notch 6235 for avoiding the outlet busbar 33. One end of the two side walls of the second protective cover 623 is provided with a protective cover rotation hole 6231. A protective cover rotation shaft 6025 is provided on the wiring step. The second protective cover is buckled into the side outlet base 620 through plastic deformation of the second protective cover, and the second protective cover can rotate around the protective cover rotation shaft 6025 of the side outlet base.

[0085] like Fig.14 As shown, preferably, a conductor limiting groove 6223 corresponding to the wiring terminal is provided at one end of the second wiring terminal 622 near the side outlet base 620 on the second wiring top surface 6221, and its function is to limit the wire. When the user connects the wire, the wire will deviate left and right due to the torque. When the deviation is too large, the second protective cover 623 cannot be closed. The conductor limiting groove 6223 is provided on the side outlet base 620, so that the wire is limited in the conductor limiting groove 6223, that is, the left and right deviation of the wire is controlled, and the second protective cover 623 can be closed smoothly. The conductor limiting groove 6223 is set on a boss on the second wiring top surface 6221, and is integrally formed with the side outlet base 620. The conductor limiting groove 6223 can be an elastic clamping arm or other structure.

[0086] like Fig.18 As shown, in this embodiment, each wiring step of the side-mounted outlet module 62 is connected to an example of a wire. Preferably, if the product needs to connect two or more wires per phase, the side outlet base 620 and the outlet busbar can be appropriately widened, and multiple wiring terminals are arranged side by side along the width direction of the side outlet base 620 on each wiring step, and the multiple wiring terminals are connected to the first outlet wiring piece 331 of the same outlet busbar 33. Fig.19 As shown, two wiring screws are arranged side by side in the width direction of the side outlet base 620 to realize the side-by-side connection of two wires. As another embodiment, a step-type wiring scheme can also be provided, in which a wiring terminal is arranged on each wiring step, and the first outlet wiring piece 331 of the outlet busbar 33 is simultaneously connected to multiple wiring terminals on multiple adjacent wiring steps. Fig. 20 The first outgoing wiring piece 331 of the outgoing busbar 33 is Z-shaped and installed on two adjacent wiring steps, and each of the two wiring steps is provided with a wiring screw for connecting two wires. Obviously, the scheme of connecting two wires per phase in these two embodiments can also be used for the bottom-mounted outgoing module 61.

[0087] The above contents are further detailed descriptions of the present invention in combination with specific preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A load-breaking switch, characterized in that: The invention comprises a switch body (1) and an outlet module (6) detachably connected to the switch body (1), wherein the switch body (1) comprises a body shell (10), an operating mechanism (2) and at least one phase circuit arranged in the body shell (10), wherein the phase circuit comprises an incoming busbar (34), an outgoing busbar (33), and a contact system (3) and a fuse (4) connected in series, wherein the contact system (3) and the fuse are connected in series between the incoming busbar (34) and the outgoing busbar (33), wherein the contact system (3) comprises a movable contact assembly (31) and a stationary contact (30) used in combination, and the operating mechanism (2) is connected to the movable contact assembly (31); The outlet module (6) is provided with a connection terminal connected to the outlet busbar (33); an end of the main body shell (10) away from the operating mechanism (2) is provided with a first outlet hole (161) for the outlet busbar (33) to extend out; and a side of the main body shell (10) is provided with a second outlet hole (162) for the outlet busbar (33) to extend out; The outlet module (6) is mounted on an end of the switch body (1) away from the operating mechanism (2), and the outlet busbar (33) extends from the first outlet hole (161) into the outlet module (6) to be connected to the wiring terminal, or the outlet module (6) is mounted on the side of the switch body (1) and arranged side by side with the switch body (1), and the outlet busbar (33) extends from the second outlet hole (162) into the outlet module (6) to be connected to the wiring terminal.

2. The load-breaking switch according to claim 1, characterized in that: The body shell (10) comprises a base portion (12) and a main body portion (11) mounted on the base portion (12), wherein the main body portion (11) is used to accommodate an operating mechanism (2) and a contact system (3) and a fuse (4) of the phase circuit, and the base portion (12) is used to mount the incoming busbar (34) and the outgoing busbar (33); the first outgoing hole (161) is provided at one end of the base portion (12), and the second outgoing hole (162) is provided at one side of the base portion (12), or the second outgoing hole (162) is provided on both sides of the base portion (12).

3. The load breaking switch according to claim 1 or 2, characterized in that: The main body shell (10) is provided with a detachable wire outlet hole baffle for shielding the first wire outlet hole (161) and the second wire outlet hole (162).

4. The load-breaking switch according to claim 2, characterized in that: The outgoing busbar (33) in the base portion (12) is a lower outgoing busbar, the outgoing module (6) is a lower outgoing module (61) installed at an end of the switch body (1) away from the operating mechanism (2), and the lower outgoing busbar extends from the first outgoing hole (161) into the lower outgoing module (61); Alternatively, the outlet busbar (33) in the base portion (12) is a side outlet busbar, the outlet module (6) is a side-mounted outlet module (62) installed on the side of the switch body (1), and the side outlet busbar extends from the second outlet hole (162) into the side-mounted outlet module (62).

5. The load-breaking switch according to claim 2, characterized in that: The load-breaking switch comprises a plurality of phase circuits, each phase circuit comprises two groups of contact systems (3) and a fuse (4) connected in series between the two groups of contact systems (3), each group of contact systems (3) comprises two stationary contacts (30) and at least one moving contact assembly (31), and two ends of the moving contact assembly (31) respectively cooperate with the two stationary contacts (30). The main body shell (10) composed of the base part (12) and the main body part (11) is a rectangular parallelepiped structure, the width of the main body shell (10) is smaller than the height of the main body shell (10), and the height of the main body shell (10) is smaller than the length of the main body shell (10); The operating mechanism (2) is arranged at one end of the main body (11); the plurality of phase circuits are arranged in sequence in the main body (11) along the length direction of the main body shell (10); the two groups of contact systems (3) of each phase circuit are arranged at intervals along the length direction of the main body shell (10); the two static contacts (30) of each group of contact systems (3) are arranged at intervals up and down along the height direction of the main body shell (10); the two ends of the corresponding moving contact assembly (31) are respectively matched with the two static contacts (30); the corresponding fuse (4) is arranged above the two groups of contact systems (3); the two ends of the fuse (4) are respectively electrically connected to a static contact (30) located above the two groups of contact systems (3); and a static contact located below the two groups of contact systems (3) is respectively connected to a corresponding incoming busbar (34) and an outgoing busbar (33).

6. The load-breaking switch according to claim 5, characterized in that: Each group of contact systems (3) comprises two stationary contacts (30) and two moving contact assemblies (31); each stationary contact (30) is provided with two stationary contact contact plates (301); the two moving contact assemblies (31) are arranged at intervals along the width direction of the body shell (10); one end of the two moving contact assemblies (31) respectively cooperates with the two stationary contact contact plates (301) of one stationary contact (30); and the other ends of the two moving contact assemblies (31) respectively cooperate with the stationary contact plates (301) of the other stationary contact (30).

7. The load-breaking switch according to claim 2 or 4, characterized in that: The bottom side of the base portion (12) is provided with a wire entry hole (127), and the top side of the base portion (12) is provided with a plurality of first terminal block mounting grooves (124) and a plurality of second terminal block mounting grooves (123), the first terminal block mounting grooves (124) and the second terminal block mounting grooves (123) are alternately arranged along the length direction of the base portion (12), the first terminal block mounting grooves (124) are used to install the second incoming terminal block (342) of the incoming busbar (34), and the second terminal block mounting grooves (123) are used to install the second outgoing terminal block (332) of the outgoing busbar (33); A wire hole (125) is provided in the first wiring piece installation groove (124), the wire hole (125) is connected to the wire inlet hole (127) on the bottom side of the base portion (12), and the first wire inlet wiring piece (341) of the wire inlet busbar (34) extends from the wire hole (125) to a position corresponding to the wire inlet hole (127); The second terminal piece installation groove (123) is arranged correspondingly and connected to the second outlet hole (162), and a wire passing gap (126) arranged along the length direction of the base part (12) is provided between at least one second terminal piece installation groove (123) and a side wall of the base part (12), the wire passing gap (126) is connected to the second terminal piece installation groove (123) and the first outlet hole (161), and the outlet connection piece (333) of the outlet busbar (33) is installed in the wire passing gap (126), so that the first outlet terminal piece (331) protrudes from the first outlet hole (161).

8. The load-breaking switch according to claim 7, characterized in that: The base portion (12) comprises three first terminal block mounting grooves (124) and three second terminal block mounting grooves (123) which are arranged alternately. A side wall of one side of the base portion (12) is provided with three second wire outlet holes (162). The three second wire outlet holes (162) are respectively arranged corresponding to and connected with the three second terminal block mounting grooves (123). A first wire outlet hole (161) is provided at one end of the base portion (12). Two of the three second terminal block mounting grooves (123) which are far from the first wire outlet hole (161) have a wire gap (126) arranged along the length direction of the base portion (12) between one and one side wall of the base portion (12), and another wire gap (126) arranged along the length direction of the base portion (12) between the other and another side wall of the base portion (12).

9. The load breaking switch according to claim 1 or 2, characterized in that: The main body shell (10) is provided with a sixth fixing hole which penetrates the main body shell (10) from both sides and is used for fixed connection with an outlet module (6) installed on one side of the main body shell (10).

10. The load-breaking switch according to claim 2, characterized in that: One side or both sides of the base portion (12) are provided with a dovetail groove (6202) for fixedly connecting with an outlet module (6) installed on one side of the main body shell (10).

11. The load-break switch according to claim 2, characterized in that: The side wall of the main body (11) at one end away from the operating mechanism (2) is provided with two spaced-apart base fixing ribs (113), and the base fixing rib (113) is provided with a fourth fixing hole (1130) for fixedly connecting with an outlet module (6) installed at one end of the main body shell (10); protective cover fixing convex bumps (6101) are provided on both sides of the end of the main body shell (10) away from the operating mechanism (2), and a protective cover clamping platform (1132) is provided on the top side of the end of the main body (11) away from the operating mechanism (2).

12. The load-break switch according to claim 2, characterized in that: A fixing plate groove is provided at one end of the bottom side of the base portion (12) close to the first wire outlet hole (161), and a second fixing hole is correspondingly provided in the fixing plate groove for fixed connection with a wire outlet module (6) installed at one end of the main body shell (10).

13. The load-break switch according to claim 1, characterized in that: The outlet module (6) is a side-mounted outlet module (62), comprising a side-mounted outlet base (620) and a wiring terminal mounted on the side-mounted outlet base (620). The side-mounted outlet module (62) is mounted on the side of the switch body (1) and arranged side by side with the switch body (1). One end of the side-mounted outlet module (62) is a second wiring terminal (622). The second wiring terminal (622) is in a multi-step shape, comprising a plurality of wiring steps connected in sequence. The top surface of the wiring step is a second wiring top surface (6221). A wiring terminal is installed on the second wiring top surface (6221); a side surface on which the side outlet base (620) is connected to the main body shell (10) is an incoming line side surface (624); a first outgoing line connection piece (331) of the outgoing line busbar (33) extends from the incoming line side surface (624) to the side outlet base (620); and the first outgoing line connection piece (331) of the outgoing line busbar (33) is connected to the wiring terminal; and a plurality of second protective covers (623) are rotatably installed on corresponding wiring steps, and are respectively used to cover the wiring terminals installed on the plurality of wiring steps.

14. The load-break switch according to claim 1, characterized in that: The outlet module (6) is a bottom-mounted outlet module (61), comprising a bottom-mounted outlet base (610) and a wiring terminal mounted on the bottom-mounted outlet base (610), wherein the bottom-mounted outlet base (610) is mounted on an end of the switch body (1) away from the operating mechanism (2), and the outlet busbar (33) is connected to the wiring terminal; one end of the bottom-mounted outlet base (610) is a connection end (611) for connecting to one end of the body shell (10), and the other end is a wiring terminal (612), wherein the wiring terminal (612) The wiring module (61) is in the shape of multiple steps, including a plurality of wiring steps connected in sequence, and is used to connect external wires; the top surface of the wiring step is a wiring top surface (6121), a wiring terminal is installed on the wiring top surface (6121), a first incoming wiring piece (341) of the incoming busbar (34) is connected to the wiring terminal, and the lower-mounted outgoing wire module (61) also includes a phase partition (615) and a protective cover (613), the phase partition (615) is installed between adjacent wiring terminals, and the protective cover (613) covers the lower outgoing wire base (610).

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