Fuse type disconnecting switch

Abstract

The utility model relates to a fuse type disconnecting switch, which comprises a shell, a contact seat connected with a fuse is arranged in the shell, and a connecting plate is convexly arranged on the contact seat; a groove is formed in the upper side of the wiring module, a nut groove for placing a nut is formed in the middle of the groove bottom of the groove, and threaded holes are formed in the positions, on the two sides of the nut groove, of the groove bottom of the groove; wherein the bottoms of the two ends of the shell are respectively provided with a containing hole for installing the wiring module, the connecting plate extends to the upper side of the wiring module, and the connecting plate is connected with an external conductive mechanism through a cable connecting mechanism or a rear wire lapping bar connecting mechanism. The beneficial effects of the utility model are that different wiring mechanisms can be selected according to different wiring modes, so that the whole disconnecting switch does not need to be replaced, and the flexibility and adaptability of the disconnecting switch are higher.

Description

Technical Field

[0001] The utility model relates to the technical field of isolating switches, in particular to a fuse type isolating switch. Background Art

[0002] Fuse disconnector is a common electrical device used to cut off circuits and isolate electrical equipment. It can quickly cut off current in an emergency to protect equipment and personal safety. It is widely used in power systems, especially in power plants, substations and industrial electricity.

[0003] The existing fuse-type disconnector is connected to an external cable or wiring bar through a wiring terminal, but the wiring terminal on a fuse-type disconnector can only be connected to a cable or a wiring bar and cannot be used universally. When changing from a cable to a wiring bar, or from a wiring bar to a cable, the entire fuse-type disconnector needs to be replaced to adapt, which will cause unnecessary waste. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a fuse type isolating switch to solve the above problems.

[0005] The technical solution of the utility model is implemented as follows: a fuse type isolating switch, comprising:

[0006] A housing, wherein a contact seat connected to the fuse is disposed inside the housing, and a connecting plate is protruded from the contact seat;

[0007] A wiring module, wherein a groove is provided on the upper side of the wiring module, a nut groove is provided in the middle of the groove bottom for placing a nut, and threaded holes are provided on both sides of the nut groove at the groove bottom of the groove;

[0008] The bottoms of both ends of the housing are provided with accommodating holes for installing the wiring module, the connecting plate extends to the upper side of the wiring module, and the connecting plate is connected to the external conductive mechanism through a cable connection mechanism or a rear wiring board mechanism.

[0009] By adopting the above technical solution, different wiring mechanisms can be selected according to different wiring methods. When it is necessary to connect an external cable, the electrical connection of the cable can be achieved by installing the cable connecting mechanism. When it is necessary to connect the rear wiring bar, the electrical connection of the rear wiring bar can be achieved by installing the rear wiring bar connecting mechanism. There is no need to replace the entire isolating switch, making it more flexible and adaptable.

[0010] The utility model is further configured as follows: a buckle is provided on the outer side of the wiring module, a buckle groove matching the buckle is provided on the inner wall of the accommodating hole, and the wiring module is fixed in the accommodating hole by the mutual engagement of the buckle and the buckle groove.

[0011] By adopting the above technical solution, the assembly and disassembly of the wiring module and the housing are more convenient.

[0012] The utility model is further configured as follows: the cable connecting mechanism comprises:

[0013] A bottom fixing block, the bottom fixing block is placed in the groove, and the bottom fixing block is provided with a first screw through hole coaxial with the threaded hole;

[0014] A lower clamping seat, wherein the upper side of the lower clamping seat is provided with a lower arc-shaped groove corresponding to the cable;

[0015] An upper clamp seat, wherein the lower side of the upper clamp seat is provided with an upper arc-shaped groove corresponding to the cable;

[0016] Screw;

[0017] Among them, the bottom fixing block is arranged below the connecting plate, the lower clamp seat is arranged above the connecting plate, and the upper clamp seat is arranged above the lower clamp seat. The lower clamp seat and the upper clamp seat are both provided with a second screw through hole coaxial with the threaded hole, and the screw passes through the second screw through hole of the upper clamp seat, the second screw through hole of the lower clamp seat, and the first screw through hole in sequence and are threadedly connected with the threaded hole.

[0018] By adopting the above technical solution, the external cable is extended between the lower clamp seat and the upper clamp seat, and is located between the lower arc groove and the upper arc groove. By tightening the screw, the upper clamp seat, the lower clamp seat, and the connecting plate are pressed onto the bottom fixing block and fixed to the wiring module, thereby clamping the cable between the lower arc groove and the upper arc groove to complete the fixation.

[0019] The utility model is further configured as follows: the cable connecting mechanism further comprises:

[0020] A middle clamp seat, wherein a lower arc-shaped groove corresponding to the cable is opened on the upper side of the middle clamp seat, an upper arc-shaped groove corresponding to the cable is opened on the lower side of the middle clamp seat, the middle clamp seat is located between the lower clamp seat and the upper clamp seat, and a second screw through hole coaxial with the threaded hole is opened on the middle clamp seat.

[0021] By adopting the above technical solution, when two cables need to be fixed at the same time, one cable is inserted between the lower clamp seat and the middle clamp seat, and the other cable is inserted between the middle clamp seat and the upper clamp seat. By tightening the screw, the upper clamp seat, the middle clamp seat, the lower clamp seat, and the connecting plate are pressed onto the bottom fixing block and fixed to the wiring module, thereby achieving simultaneous clamping and fixing of the two cables.

[0022] The utility model is further configured as follows: the cable connecting mechanism further comprises:

[0023] A limiting groove, wherein the limiting groove is provided on the left side of the upper side surface of the lower clamp seat and the middle clamp seat and on the right side of the lower side surface of the upper clamp seat and the middle clamp seat;

[0024] A limiting protrusion, which is arranged on the right side of the upper side of the lower clamp seat and the middle clamp seat and on the left side of the lower side of the upper clamp seat and the middle clamp seat;

[0025] Wherein, the limiting protrusion is correspondingly inserted into the limiting groove.

[0026] By adopting the above technical solution, when the upper clamp seat, the middle clamp seat and the lower clamp seat are clamped together, the limiting protrusion will be inserted into the limiting groove, thereby limiting the lateral movement between the upper clamp seat, the middle clamp seat and the lower clamp seat, thereby improving the stability during connection.

[0027] The utility model is further configured as follows: anti-slip patterns are arranged on the inner walls of the lower arc-shaped groove and the upper arc-shaped groove.

[0028] By adopting the above technical solution, the anti-slip groove can effectively clamp the cable between the lower arc groove and the upper arc groove, making it difficult to slide.

[0029] The utility model is further configured as follows: the post-connection wiring arrangement mechanism comprises:

[0030] A rear wiring row, the rear wiring row is arranged in an inverted "L" shape, the rear wiring row comprises a horizontal portion and a vertical portion vertically connected to the lower side of the horizontal portion, and the thickness of the horizontal portion is not less than the depth of the groove;

[0031] bolt;

[0032] Among them, a through hole is opened on one side of the bottom of the groove of the wiring module for the vertical part to pass through. After the vertical part passes downward through the through hole, the horizontal part is placed in the groove. The horizontal part is located below the connecting plate, and the bolt passes through the connecting plate and the horizontal part in turn and is connected to the nut in the wiring module.

[0033] By adopting the above technical solution, the rear wiring bar extends from the rear side of the fuse-type disconnector to be connected to the external conductive mechanism. When the rear wiring bar mechanism and the cable connecting mechanism are replaced, there is no need to replace the wiring module, making it more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0035] Figure 1 This is a schematic diagram of the internal structure of the utility model when connecting cables;

[0036] Figure 2 for Figure 1 A is an enlarged view of the structure;

[0037] Figure 3 This is an exploded view of the structure of the cable connection mechanism in the utility model;

[0038] Figure 4 It is a partial structural schematic diagram of the cable connection mechanism in the utility model;

[0039] Figure 5 It is a structural exploded diagram of the housing and the wiring module in the utility model;

[0040] Figure 6 It is a schematic diagram of the internal structure of the utility model when the rear wiring is connected;

[0041] Figure 7 It is a structural cross-sectional view of the utility model when the rear wiring is connected;

[0042] Figure 8 It is a structural explosion diagram of the rear wiring arrangement mechanism in the utility model. DETAILED DESCRIPTION

[0043] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0044] like Figure 1-Figure 8 As shown, the utility model discloses a fuse type isolating switch, comprising:

[0045] A housing 1, wherein a contact base 2 connected to the fuse is disposed inside the housing 1, and a connecting plate 20 is protruded from the contact base 2;

[0046] A wiring module 3, wherein a groove 30 is provided on the upper side of the wiring module 3, a nut groove 31 for placing the nut 6 is provided in the middle of the groove bottom of the groove 30, and threaded holes 32 are opened on both sides of the nut groove 31 at the groove bottom of the groove 30;

[0047] The bottom of both ends of the housing 1 are provided with accommodating holes 10 for installing the wiring module 3, and the connecting plate 20 extends to the upper side of the wiring module 3. The connecting plate 20 is connected to the external conductive mechanism through the cable connection mechanism 4 or the rear wiring bar mechanism 5.

[0048] By adopting the above technical scheme, different wiring mechanisms can be selected according to different wiring methods. When it is necessary to connect an external cable, the electrical connection of the cable can be achieved by installing the cable connecting mechanism 4. When it is necessary to connect the rear wiring bar, the electrical connection of the rear wiring bar can be achieved by installing the rear wiring bar connecting mechanism 5. There is no need to replace the entire isolating switch, making it more flexible and adaptable.

[0049] In the embodiment of the utility model, a buckle 33 is provided on the outer side of the wiring module 3, and a buckle groove 11 matching the buckle 33 is provided on the inner wall of the accommodating hole 10. The wiring module 3 is fixed in the accommodating hole 10 by the mutual engagement of the buckle 33 and the buckle groove 11.

[0050] By adopting the above technical solution, the assembly and disassembly of the wiring module 3 and the housing 1 are more convenient.

[0051] In the embodiment of the utility model, the cable connecting mechanism 4 includes:

[0052] A bottom fixing block 40, the bottom fixing block 40 is placed in the groove 30, and a first screw through hole 400 coaxial with the threaded hole 32 is formed on the bottom fixing block 40;

[0053] A lower clamp seat 41, wherein the upper side of the lower clamp seat 41 is provided with a lower arc-shaped groove 43 corresponding to the cable;

[0054] An upper clamp seat 42, wherein an upper arc-shaped groove 44 corresponding to the cable is formed on the lower side of the upper clamp seat 42;

[0055] Screw 45;

[0056] Among them, the bottom fixing block 40 is arranged below the connecting plate 20, the lower clamp seat 41 is arranged above the connecting plate 20, and the upper clamp seat 42 is arranged above the lower clamp seat 41. The lower clamp seat 41 and the upper clamp seat 42 are both provided with a second screw through hole 46 coaxial with the threaded hole 32, and the screw 45 passes through the second screw through hole 46 of the upper clamp seat 42, the second screw through hole 46 of the lower clamp seat 41, and the first screw through hole 400 in sequence and is threadedly connected with the threaded hole 32.

[0057] By adopting the above technical solution, the external cable is extended between the lower clamp seat 41 and the upper clamp seat 42, and is located between the lower arc groove 43 and the upper arc groove 44. By tightening the screw 45, the upper clamp seat 42, the lower clamp seat 41, and the connecting plate 20 are pressed onto the bottom fixing block 40 and fixed to the wiring module 3, thereby clamping the cable between the lower arc groove 43 and the upper arc groove 44 to complete the fixation.

[0058] In the embodiment of the utility model, the cable connecting mechanism 4 further includes:

[0059] The middle clamp seat 47 has a lower arc groove 43 corresponding to the cable on its upper side, and an upper arc groove 44 corresponding to the cable on its lower side. The middle clamp seat 47 is located between the lower clamp seat 41 and the upper clamp seat 42, and has a second screw through hole 46 coaxial with the threaded hole 32 on the middle clamp seat 47.

[0060] By adopting the above technical solution, when two cables need to be fixed at the same time, one cable is inserted between the lower clamp seat 41 and the middle clamp seat 47, and the other cable is inserted between the middle clamp seat 47 and the upper clamp seat 42. By tightening the screw 45, the upper clamp seat 42, the middle clamp seat 47, the lower clamp seat 41, and the connecting plate 20 are pressed onto the bottom fixing block 40 and fixed on the wiring module 3, thereby achieving simultaneous clamping and fixing of the two cables.

[0061] In the embodiment of the utility model, the cable connecting mechanism 4 further includes:

[0062] A limiting groove 48, wherein the limiting groove 48 is provided on the left side of the upper side of the lower clamp seat 41 and the middle clamp seat 47 and on the right side of the lower side of the upper clamp seat 42 and the middle clamp seat 47;

[0063] A limiting protrusion 49, which is arranged on the right side of the upper side of the lower clamp seat 41 and the middle clamp seat 47 and on the left side of the lower side of the upper clamp seat 42 and the middle clamp seat 47;

[0064] The limiting protrusion 49 is correspondingly inserted into the limiting groove 48 .

[0065] By adopting the above technical solution, when the upper clamp seat 42, the middle clamp seat 47, and the lower clamp seat 41 are clamped together, the limiting protrusion 49 will be inserted into the limiting groove 48, thereby limiting the lateral movement between the upper clamp seat 42, the middle clamp seat 47, and the lower clamp seat 41, thereby improving the stability during connection.

[0066] In the embodiment of the utility model, anti-slip grooves are provided on the inner walls of the lower arc-shaped groove 43 and the upper arc-shaped groove 44 .

[0067] By adopting the above technical solution, the anti-slip groove can effectively clamp the cable between the lower arc groove 43 and the upper arc groove 44, making it difficult to slide.

[0068] In the embodiment of the utility model, the post-connection wiring arrangement 5 comprises:

[0069] A rear wiring row 50, wherein the rear wiring row 50 is arranged in an inverted "L" shape, and the rear wiring row 50 includes a horizontal portion 500 and a vertical portion 501 vertically connected to the lower side of the horizontal portion 500, and the thickness of the horizontal portion 500 is not less than the depth of the groove 30;

[0070] Bolt 51;

[0071] Among them, a through hole 34 is opened on one side of the bottom of the groove 30 of the wiring module 3 for the vertical part 501 to pass through. After the vertical part 501 passes downward through the through hole 34, the horizontal part 500 is placed in the groove 30, and the horizontal part 500 is located below the connecting plate 20. The bolt 51 passes through the connecting plate 20 and the horizontal part 500 in turn and is connected to the nut 6 in the wiring module 3.

[0072] By adopting the above technical solution, the rear wiring bar 50 extends from the rear side of the fuse-type disconnector to be connected to the external conductive mechanism. When the rear wiring bar mechanism 5 and the cable connection mechanism 4 are replaced, there is no need to replace the wiring module 3, making it more convenient to use.

[0073] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fuse-type disconnect switch, characterized in that: include, A housing (1), wherein a contact seat (2) connected to the fuse is provided inside the housing (1), and a connecting plate (20) is protruding from the contact seat (2); A wiring module (3), wherein a groove (30) is provided on the upper side of the wiring module (3), a nut groove (31) for placing a nut (6) is provided in the middle of the groove bottom of the groove (30), and threaded holes (32) are provided on both sides of the nut groove (31) at the groove bottom of the groove (30); Wherein, the bottoms of both ends of the housing (1) are provided with accommodating holes (10) for installing the wiring module (3), the connecting plate (20) extends to the upper side of the wiring module (3), and the connecting plate (20) is connected to an external conductive mechanism through a cable connection mechanism (4) or a rear wiring bar mechanism (5).

2. A fuse-type disconnector according to claim 1, characterized in that: A buckle (33) is provided on the outer side of the wiring module (3), and a buckle groove (11) matching the buckle (33) is provided on the inner wall of the accommodating hole (10), and the wiring module (3) is fixed in the accommodating hole (10) by the mutual buckling of the buckle (33) and the buckle groove (11).

3. A fuse-type disconnector according to claim 1, characterized in that: The cable connecting mechanism (4) comprises: A bottom fixing block (40), the bottom fixing block (40) being placed in the groove (30), and the bottom fixing block (40) being provided with a first screw through hole (400) coaxial with the threaded hole (32); A lower clamping seat (41), wherein the upper side of the lower clamping seat (41) is provided with a lower arc-shaped groove (43) corresponding to the cable; An upper clamp seat (42), wherein an upper arc-shaped groove (44) corresponding to the cable is formed on the lower side of the upper clamp seat (42); Screw (45); Wherein, the bottom fixing block (40) is arranged below the connecting plate (20), the lower clamping seat (41) is arranged above the connecting plate (20), and the upper clamping seat (42) is arranged above the lower clamping seat (41). The lower clamping seat (41) and the upper clamping seat (42) are both provided with a second screw through hole (46) coaxial with the threaded hole (32), and the screw (45) passes through the second screw through hole (46) of the upper clamping seat (42), the second screw through hole (46) of the lower clamping seat (41), and the first screw through hole (400) in sequence and is threadedly connected with the threaded hole (32).

4. A fuse-type disconnector according to claim 3, characterized in that: The cable connecting mechanism (4) further comprises: A middle clamp seat (47), wherein the upper side of the middle clamp seat (47) is provided with a lower arc-shaped groove (43) corresponding to the cable, and the lower side of the middle clamp seat (47) is provided with an upper arc-shaped groove (44) corresponding to the cable. The middle clamp seat (47) is located between the lower clamp seat (41) and the upper clamp seat (42), and the middle clamp seat (47) is provided with a second screw through hole (46) coaxial with the threaded hole (32).

5. A fuse-type disconnector according to claim 4, characterized in that: The cable connecting mechanism (4) further comprises: A limiting groove (48), wherein the limiting groove (48) is provided on the left side of the upper side surface of the lower clamp seat (41) and the middle clamp seat (47) and on the right side of the lower side surface of the upper clamp seat (42) and the middle clamp seat (47); A limiting protrusion (49), wherein the limiting protrusion (49) is arranged on the right side of the upper side surface of the lower clamp seat (41) and the middle clamp seat (47) and on the left side of the lower side surface of the upper clamp seat (42) and the middle clamp seat (47); Wherein, the limiting protrusion (49) is correspondingly inserted into the limiting groove (48).

6. A fuse-type disconnector according to claim 3, characterized in that: Anti-slip grooves are provided on the inner walls of the lower arc-shaped groove (43) and the upper arc-shaped groove (44).

7. A fuse-type disconnector according to claim 1, characterized in that: The post-connection wiring arrangement mechanism (5) comprises: A rear wiring row (50), wherein the rear wiring row (50) is arranged in an inverted "L" shape, and comprises a horizontal portion (500) and a vertical portion (501) vertically connected to the lower side of the horizontal portion (500), and the thickness of the horizontal portion (500) is not less than the depth of the groove (30); Bolt (51); A through hole (34) is provided on one side of the bottom of the groove (30) of the wiring module (3) for the vertical portion (501) to pass through; after the vertical portion (501) passes downward through the through hole (34), the horizontal portion (500) is placed in the groove (30); the horizontal portion (500) is located below the connecting plate (20); and the bolt (51) passes through the connecting plate (20) and the horizontal portion (500) in sequence to be connected to a nut (6) in the wiring module (3).

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