Spliced fuse type disconnecting switch

Abstract

The utility model provides a splicing fuse type disconnecting switch, which comprises fuse disconnecting switches spliced side by side, each fuse disconnecting switch comprises a base and a shell hinged with the base, the front part and the rear part of the bottom end of the base are provided with inner grooves, the inner grooves are internally provided with fixing holes, one side of each fixing hole is provided with a positioning salient point, the inner grooves are internally provided with connecting plates, and the connecting plates are connected with the base. Fixing screws are arranged on the connecting plate, positioning holes are formed in one sides of the fixing screws, a handle is arranged on the front portion of the shell, a connecting hole is formed in the handle in a penetrating mode, and a connecting pin is arranged in the connecting hole in a penetrating mode. By arranging the inner grooves and arranging the connecting plates in the inner grooves, multiple fuse disconnecting switches are spliced and fixed, the splicing strength is enhanced, the shells are positioned and fixed by inserting the connecting pins into the connecting holes, the splicing convenience is improved, modularization of the fuse disconnecting switches is achieved, and the service life of the fuse disconnecting switches is prolonged. A user does not need to replace the fusing disconnecting switch under the condition of increasing the load, and only needs to increase a corresponding number of fuse disconnecting switches.

Description

Technical Field

[0001] The utility model relates to the technical field of fuse disconnecting switches, and particularly relates to a spliced fuse disconnecting switch. Background Technique

[0002] A fuse disconnecting switch is a current protection device. Its working principle is that after the current exceeds the specified value for a period of time, the fuse melts due to the heat generated by itself, thereby disconnecting the circuit. This switch needs to meet three conditions: First, it protects the switch itself through a fuse; second, under normal circuit conditions, including specified overload conditions, it can connect, carry, and break the current, and at the same time, under specified abnormal circuit conditions, such as short circuit, it can carry the current within a specified time; finally, it can provide safe isolation for the circuit to ensure that the circuit is opened in the open position to ensure safe operation. Fuse disconnecting switches are mainly used in power systems to protect circuits and provide safe isolation.

[0003] At present, there are still some deficiencies in the common fuse disconnecting switches on the market when in use: Since the manufacturers of fuse disconnecting switches design the fuse disconnecting switches as an integral structure, the fuse disconnecting switches on the market are integral. However, due to the integral design, when different requirements or increased loads are needed, it can only be removed, replaced, and reinstalled, which increases the cost for users during use. Content of the Utility Model

[0004] The utility model aims to provide a spliced fuse disconnecting switch to solve the problems raised in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A spliced fuse disconnecting switch includes fuse disconnecting switches spliced side by side. The fuse disconnecting switch includes a base and a housing hinged to the base. Inner grooves are provided at both the front and rear of the bottom end of the base, fixing holes are provided in the inner grooves, positioning convex points are provided on one side of each fixing hole, a connecting plate is provided in the inner grooves, fixing screws are provided on the connecting plate, positioning holes are provided on one side of each fixing screw, a handle is provided at the front of the housing, a connecting hole penetrates through the handle, and a connecting pin is inserted into the connecting hole.

[0007] Preferably, the fixing screws are screwed into the fixing holes.

[0008] Preferably, the positioning convex points are snap-fitted into the positioning holes.

[0009] Preferably, two retaining rings are provided in the middle of the connecting pin.

[0010] Preferably, snap ring grooves are provided on both sides of the handle.

[0011] Advantageous Effects

[0012] One or more of the above technical solutions in the split fuse disconnect switch provided by the embodiment of the present invention have at least one of the following technical effects:

[0013] Through the above technical solutions, the present invention is provided with an inner groove and a connecting plate in the inner groove. By respectively snapping the connecting plate into the inner grooves of two adjacent fuse disconnect switches and connecting and fixing them by screwing fixing screws into the fixing holes, the splicing and fixing between multiple fuse disconnect switches are realized, and the splicing strength is enhanced. By respectively inserting both ends of the connecting pin into the connecting holes of two adjacent fuse disconnect switches, the positioning and fixing between the casings of the two fuse disconnect switches can be achieved, improving the splicing convenience, effectively realizing the modularization of the fuse disconnect switch, so that users do not need to replace the fuse disconnect switch when increasing the load, but only need to add the corresponding number of fuse disconnect switches, with high practicability and strong economy. Description of the Drawings

[0014] Figure 1 Schematic diagram of the splicing structure of the fuse disconnect switch of the present invention;

[0015] Figure 2 Schematic side perspective structure diagram of the fuse disconnect switch of the present invention;

[0016] Figure 3 Schematic bottom perspective structure diagram of the fuse disconnect switch of the present invention;

[0017] Figure 4 Schematic diagram of the connecting plate structure of the present invention.

[0018] Figure 5 Schematic diagram of the connecting pin structure of the present invention.

[0019] The corresponding relationship between the reference numerals and the component names in the drawings is as follows:

[0020] 1. Fuse disconnect switch; 2. Base; 3. Casing; 4. Inner groove; 5. Fixing hole; 6. Positioning bump; 7. Connecting plate; 8. Fixing screw; 9. Positioning hole; 10. Handle; 11. Connecting hole; 12. Connecting pin; 13. Snap ring; 14. Snap ring groove. Detailed Embodiments

[0021] The technical solution of the present utility model will be clearly and completely described below in conjunction with embodiments. Obviously, the described embodiments are part of the embodiments of the present utility model, rather than all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative work shall fall within the protection scope of the present utility model.

[0022] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.

[0023] In the description of the present utility model, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0024] As Figures 1-5 shown, it is a schematic structural diagram of a spliced fuse disconnecting switch in a preferred embodiment of the present utility model;

[0025] In this embodiment, it includes a fuse disconnector 1 spliced side by side. The fuse disconnector 1 includes a base 2 and a housing 3 hinged to the base 2. Inner grooves 4 are provided at both the front and rear of the bottom end of the base 2. Fixing holes 5 are provided in the inner grooves 4. The fixing holes 5 are all threaded holes. Positioning bumps 6 are provided on one side of each fixing hole 5. A connecting plate 7 is embedded in the inner groove 4. Fixing screws 8 are provided on the connecting plate 7. The fixing screws 8 are used in cooperation with the fixing holes 5. Positioning holes 9 are provided on one side of each fixing screw 8. The positioning holes 9 are used in cooperation with the positioning bumps 6. The number of the fixing screws 8 and the positioning holes 9 can be set according to the number of the fuse disconnectors 1. By respectively clamping the connecting plate 7 into the inner grooves 4 of two adjacent fuse disconnectors 1 and connecting and fixing them by screwing the fixing screws 8 into the fixing holes 5, the splicing and fixing between multiple fuse disconnectors 1 are realized, and the splicing strength is enhanced. A handle 10 is provided at the front of the housing 3. A connection hole 11 penetrates through the handle 10. A connection pin 12 is inserted into the connection hole 11. By respectively inserting the two ends of the connection pin 12 into the connection holes 11 of two adjacent fuse disconnectors 1, the positioning and fixing between the housings 3 of the two fuse disconnectors 1 can be realized, and the splicing convenience is improved.

[0026] In this embodiment, the fixing screw 8 is screwed with the fixing hole 5 to realize the fixed installation of the connecting plate 7 in the inner groove 4, so as to realize the purpose of splicing and fixing between two adjacent fuse disconnectors 1.

[0027] In this embodiment, the positioning bump 6 is clamped into the positioning hole 9. Through the cooperation of the positioning bump 6 and the positioning hole 9, the positioning function of the connecting plate 7 is realized, which is convenient for the installation and fixation of the connecting plate 7.

[0028] In this embodiment, two snap rings 13 are provided in the middle of the connection pin 12, and snap ring grooves 14 are provided on both sides of the handle 10. The two ends of the connection pin 12 are respectively inserted into the connection holes 11 of two adjacent fuse disconnectors 1, and the snap rings 13 are respectively clamped into the snap ring grooves 14 in the two handles 10. The connection pin 12 is prevented from falling out of the connection hole 11 by the snap rings 13.

[0029] For a spliced fuse type disconnector of the present utility model, its installation method, connection method or setting method are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0030] The technologies not described in detail in the present utility model are all well-known technologies. Those skilled in the art can conveniently implement the present utility model on the basis of understanding this specification, and the content shown in the drawings is a part of this specification.

[0031] The above content is a further detailed description of the present utility model in combination with specific embodiments. It cannot be determined that the specific implementation of the present utility model is only limited to these descriptions. For those of ordinary skill in the technical field to which the present utility model pertains, without departing from the concept of the present utility model, several simple deductions or substitutions can still be made, and all should be regarded as falling within the protection scope determined by the claims submitted for the present utility model.

Claims

1. A spliced fuse-disconnector, comprising fuse-disconnectors (1) spliced side by side, characterized in that: The fuse disconnecting switch (1) includes a base (2) and a housing (3) hinged to the base (2). Inner grooves (4) are provided at both the front and rear of the bottom end of the base (2), and fixing holes (5) are provided in the inner grooves (4). Positioning bumps (6) are provided on one side of each fixing hole (5). A connecting plate (7) is provided in the inner groove (4), and fixing screws (8) are provided on the connecting plate (7). Positioning holes (9) are provided on one side of each fixing screw (8). A handle (10) is provided at the front of the housing (3), and a connection hole (11) is provided through the handle (10). A connection pin (12) is inserted into the connection hole (11).

2. The splicing fuse disconnecting switch according to claim 1, characterized in that: The fixing screw (8) is screwed with the fixing hole (5).

3. The split fuse-disconnector according to claim 1, wherein: The positioning bump (6) is snapped into the positioning hole (9).

4. A spliced fuse disconnecting switch according to claim 1, characterized in that: Two retaining rings (13) are provided in the middle of the connection pin (12).

5. A spliced fuse-type disconnecting switch according to claim 1, characterized in that: Retaining ring grooves (14) are provided on both sides of the handle (10).

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