Combined splicing type electric appliance opening assembly

Abstract

The utility model relates to the technical field of fuses, in particular to a combined splicing type electric appliance opening assembly which comprises a base, the inner top wall of the base is fixedly connected with the top of a guide piece, the outer wall of the guide piece is fixedly connected with the inner wall of an opening piece, and the outer wall of a fixing piece is fixedly connected with the inner wall of a replacement piece. The outer wall of the replacement part is slidably connected with the inner wall of the base, the electric push rod pushes the guide block to slide to extrude the spring, the guide block slides to drive the firing pin through the opening rod, so that the firing pin is connected with the conducting rod to achieve closing, and when a circuit breaks down and the fusion tube is fused, the electric push rod is disconnected and loses power to stop pushing. The extruded spring pushes the guide block to slide reversely, the guide block drives the firing pin to slide through the opening rod, so that the firing pin is separated from the conducting rod to break the circuit, opening is achieved, the assembly can effectively conduct opening and closing of a switch, and the space occupancy rate is greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fuses, in particular to a combined spliced ​​electrical appliance switch-off assembly. Background Art

[0002] A fuse is an electrical device that uses the heat generated by itself to melt the fuse and disconnect the circuit when the current exceeds the specified value. A fuse is a current protector made based on the principle that after the current exceeds the specified value for a period of time, the fuse will melt the fuse with the heat generated by itself, thereby disconnecting the circuit. Fuses are widely used in high and low voltage power distribution systems and control systems as well as electrical equipment. As a short circuit and overcurrent protector, it is one of the most commonly used protection devices.

[0003] At present, most of the disconnector components on the market, in the current electrical industry, require small and integrated switches. Since the fuse tubes and switches are mostly separated, the space occupancy rate is high, which is inconvenient for human operation and brings inconvenience to people's use. Utility Model Content

[0004] The purpose of the present utility model is to provide a combined splicing type electrical switch-off assembly to solve the problem of high space occupancy rate proposed in the above background technology. To achieve the above purpose, the present utility model provides the following technical solutions: a combined splicing type electrical switch-off assembly, comprising a base, the inner top wall of the base is fixedly connected to the top of a guide member, the outer wall of the guide member is fixedly connected to the inner wall of a switch-off member, and the top of the switch-off member is fixedly connected to the bottom of a fixing member;

[0005] The outer wall of the fixing part is fixedly connected to the inner wall of the replacement part, and the outer wall of the replacement part is slidably connected to the inner wall of the base.

[0006] Preferably, the base includes an outer shell, a connecting block and a fixing plate, the inner wall of the outer shell is fixedly connected to the outer wall of the connecting block, and one side of the inner wall of the outer shell is fixedly connected to one side of the fixing plate, a sliding hole is provided on the inner wall of the front side of the outer shell, and a sliding groove is provided on the inner wall of the connecting block.

[0007] Preferably, the guide member is composed of an electric push rod, a guide block, a sliding block and a spring, the top of the electric push rod is fixedly connected to the inner top wall of the outer shell, and the bottom of the electric push rod is fixedly connected to the top of the guide block, the outer wall of the guide block is fixedly welded to the outer wall of the sliding block, and the outer wall of the sliding block is slidably connected to the inner wall of the sliding groove, the bottom of the guide block is fixedly connected to the top of the spring, and the bottom end of the spring is fixedly connected to the top of the fixed plate.

[0008] Preferably, the disconnecting member includes a disconnecting rod, a striker and a conductive rod, the outer wall of the disconnecting rod is provided with a fixing groove, and the inner wall of the fixing groove is fixedly plugged into the outer wall of one side of the guide block, the bottom end of the disconnecting rod is fixedly connected to the top end of the striker, and the bottom end of the conductive rod is provided with a connecting hole, and the inner wall of the connecting hole is movably plugged into the outer wall of the striker.

[0009] Preferably, the fixing part consists of an incoming line block, a conductive block, a fuse tube, a fixed block and an outgoing line block, the outer wall of the incoming line block is fixedly connected to the inner wall of the top of the outer shell, and the bottom of the incoming line block is fixedly connected to the top of the conductive block, the bottom of the conductive block is slidably abutted against the top of the fuse tube, and the bottom end of the fuse tube is slidably abutted against the top of one side of the fixed block, the top of the other side of the fixed block is fixedly connected to the bottom end of the conductive rod, and the bottom of the fixed block is fixedly connected to the top of the outgoing line block, the outer wall of the outgoing line block is fixedly connected to the inner wall of the bottom of the outer shell, and a conductive hole is provided in the inner wall of the conductive block, and the inner wall of the conductive hole is slidably connected to the outer wall of the disconnecting rod.

[0010] Preferably, the replacement part includes a fixing clamp, a fixing rod, a protective plate and a pulling block, the inner wall of one side of the fixing clamp is movably engaged with the outer wall of the melting tube, and a fixing hole is opened on the front side of the fixing clamp, and the inner wall of the fixing hole is movably engaged with the outer wall of the back side of the fixing rod, the outer wall of the fixing rod is slidably connected to the inner wall of the sliding hole, and the other side of the fixing clamp is fixedly connected to one side of the protective plate, the other side of the protective plate is fixedly connected to one side of the pulling block, and the outer wall of the protective plate is slidably abutted against the inner wall of the outer shell.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] In the utility model, the electric push rod pushes the guide block to slide so that the spring is squeezed, and the guide block slides through the opening rod to drive the striker, so that the striker engages with the conductive rod to achieve closing. When a circuit failure occurs and the fuse melts, the electric push rod breaks the circuit and loses power and stops pushing. The squeezed spring pushes the guide block to slide in the opposite direction, and the guide block drives the striker to slide through the opening rod, so that the striker is separated from the conductive rod to break the circuit, thereby achieving opening. This component can effectively open and close the switch and greatly reduces the space occupancy rate, which brings convenience to people's use.

[0013] In the utility model, when the fusion tube needs to be replaced, the fixing rod is pulled to be pulled out of the fixing hole, and then the pulling block is pulled, the pulling block drives the protective plate to slide, and the protective plate pulls out the fusion tube through the fixing clamp to replace the fusion tube. After the replacement is completed, the replacement part is restored to complete the replacement of the fusion tube, making the replacement of the fusion tube more convenient and bringing convenience to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a cross-sectional view of the utility model;

[0016] Figure 3 It is an exploded view of the utility model;

[0017] Figure 4 It is an exploded view of the fixing member in the utility model.

[0018] In the figure: 1. base; 101. shell; 102. connecting block; 103. fixing plate; 2. guide member; 201. electric push rod; 202. guide block; 203. sliding block; 204. spring; 3. opening member; 301. opening rod; 302. striker; 303. conductive rod; 4. fixing member; 401. incoming line block; 402. conductive block; 403. melting tube; 404. fixing block; 405. outgoing line block; 5. replacement member; 501. fixing clip; 502. fixing rod; 503. protective plate; 504. pulling block. DETAILED DESCRIPTION

[0019] 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 in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: a combined splicing type electrical switch assembly, comprising a base 1, the inner top wall of the base 1 is fixedly connected to the top of a guide member 2, the outer wall of the guide member 2 is fixedly connected to the inner wall of a switch member 3, and the top of the switch member 3 is fixedly connected to the bottom of a fixing member 4;

[0021] The outer wall of the fixing member 4 is fixedly connected to the inner wall of the replacement member 5 , and the outer wall of the replacement member 5 is slidably connected to the inner wall of the base 1 .

[0022] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the base 1 includes a shell 101, a connecting block 102 and a fixing plate 103, the inner wall of the shell 101 is fixedly connected to the outer wall of the connecting block 102, and one side of the inner wall of the shell 101 is fixedly connected to one side of the fixing plate 103, a sliding hole is provided on the inner wall of the front side of the shell 101, and a sliding groove is provided on the inner wall of the connecting block 102, and the connecting block 102 and the fixing plate 103 are fixed by the shell 101.

[0023] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the guide member 2 is composed of an electric push rod 201, a guide block 202, a sliding block 203 and a spring 204. The top of the electric push rod 201 is fixedly connected to the inner top wall of the housing 101, and the bottom of the electric push rod 201 is fixedly connected to the top of the guide block 202. The outer wall of the guide block 202 is fixedly welded to the outer wall of the sliding block 203, and the outer wall of the sliding block 203 is slidably connected to the inner wall of the sliding groove. The bottom of the guide block 202 is fixedly connected to the top of the spring 204, and the bottom end of the spring 204 is fixedly connected to the top of the fixed plate 103. The electric push rod 201 pushes the guide block 202 to slide to squeeze the spring 204.

[0024] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the opening member 3 includes an opening rod 301, a striker 302 and a conductive rod 303. The outer wall of the opening rod 301 is provided with a fixing groove, and the inner wall of the fixing groove is fixedly plugged with the outer wall of one side of the guide block 202. The bottom end of the opening rod 301 is fixedly connected with the top end of the striker 302, and the bottom end of the conductive rod 303 is provided with a connecting hole, and the inner wall of the connecting hole is movably plugged with the outer wall of the striker 302. The guide block 202 slides through the opening rod 301 to drive the striker 302, so that the striker 302 is engaged with the conductive rod 303 to achieve closing.

[0025] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the fixing member 4 is composed of an inlet block 401, a conductive block 402, a melting tube 403, a fixing block 404 and an outlet block 405. The outer wall of the inlet block 401 is fixedly connected to the inner wall of the top of the housing 101, and the bottom of the inlet block 401 is fixedly connected to the top of the conductive block 402. The bottom of the conductive block 402 is slidably abutted against the top of the melting tube 403, and the bottom end of the melting tube 403 is slidably abutted against the top of one side of the fixing block 404. The top of the other side of the fixing block 404 is fixedly connected to the bottom end of the conductive rod 303, and the bottom of the fixing block 404 is fixedly connected to the bottom end of the conductive rod 303. The top of the outlet block 405 is fixedly connected to the top of the outlet block 405, the outer wall of the outlet block 405 is fixedly connected to the inner wall of the bottom of the shell 101, and the inner wall of the conductive block 402 is provided with a conductive hole, the inner wall of the conductive hole is slidably connected to the outer wall of the trip rod 301, when the fuse 403 is blown, the electric push rod 201 is disconnected and stops pushing due to loss of power, the squeezed spring 204 pushes the guide block 202 to slide in the opposite direction, and the guide block 202 drives the striker 302 to slide through the trip rod 301, so that the striker 302 is separated from the conductive rod 303 to disconnect the circuit, thereby realizing the tripping.

[0026] In this embodiment, Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the replacement part 5 includes a fixing clamp 501, a fixing rod 502, a protective plate 503 and a pulling block 504. The inner wall of one side of the fixing clamp 501 is movably connected with the outer wall of the melting tube 403, and a fixing hole is opened on the front side of the fixing clamp 501, and the inner wall of the fixing hole is movably connected with the outer wall of the back side of the fixing rod 502, the outer wall of the fixing rod 502 is slidably connected with the inner wall of the sliding hole, and the other side of the fixing clamp 501 is fixedly connected to one side of the protective plate 503, and the other side of the protective plate 503 is connected to the pulling block 504. One side of the moving block 504 is fixedly connected, and the outer wall of the protective plate 503 is slidably abutted against the inner wall of the shell 101. When the fuse tube 403 needs to be replaced, the fixing rod 502 is pulled to pull the fixing rod 502 out of the fixing hole, and then the pulling block 504 is pulled. The pulling block 504 drives the protective plate 503 to slide, and the protective plate 503 pulls out the fuse tube 403 through the fixing clamp 501, and the fuse tube 403 is replaced. After the replacement is completed, the replacement part 5 is restored to complete the replacement of the fuse tube 403.

[0027] The use method and advantages of the utility model: When the combined splicing type electrical switch assembly is working, the working process is as follows:

[0028] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the electric push rod 201 pushes the guide block 202 to slide and squeeze the spring 204. The guide block 202 slides through the trip rod 301 to drive the striker 302, so that the striker 302 engages with the conductive rod 303 to achieve closing. When the fuse 403 is melted, the electric push rod 201 breaks the circuit and loses power and stops pushing. The squeezed spring 204 pushes the guide block 202 to slide in the opposite direction. The guide block 202 drives the striker 302 to slide through the trip rod 301, so that the striker 302 engages with the conductive rod 303 to achieve closing. 02 is separated from the conductive rod 303 to break the circuit, thereby realizing opening the switch. When it is necessary to replace the fuse tube 403, pull the fixing rod 502 to pull the fixing rod 502 out of the fixing hole, and then pull the pulling block 504. The pulling block 504 drives the protective plate 503 to slide, and the protective plate 503 pulls out the fuse tube 403 through the fixing clamp 501, and the fuse tube 403 is replaced. After the replacement is completed, restore the replacement part 5 to complete the replacement of the fuse tube 403.

[0029] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A combined splicing type electrical switch assembly, comprising a base (1), characterized in that: The inner top wall of the base (1) is fixedly connected to the top of the guide member (2), the outer wall of the guide member (2) is fixedly connected to the inner wall of the gate opening member (3), and the top of the gate opening member (3) is fixedly connected to the bottom of the fixing member (4); The outer wall of the fixing member (4) is fixedly connected to the inner wall of the replacement member (5), and the outer wall of the replacement member (5) is slidably connected to the inner wall of the base (1).

2. The combined splicing type electrical switch assembly according to claim 1 is characterized in that: The base (1) comprises a shell (101), a connecting block (102) and a fixing plate (103); the inner wall of the shell (101) is fixedly connected to the outer wall of the connecting block (102), and one side of the inner wall of the shell (101) is fixedly connected to one side of the fixing plate (103); a sliding hole is provided on the inner wall of the front side of the shell (101), and a sliding groove is provided on the inner wall of the connecting block (102).

3. The combined splicing type electrical switch assembly according to claim 2 is characterized in that: The guide member (2) is composed of an electric push rod (201), a guide block (202), a sliding block (203) and a spring (204); the top of the electric push rod (201) is fixedly connected to the inner top wall of the housing (101), and the bottom of the electric push rod (201) is fixedly connected to the top of the guide block (202); the outer wall of the guide block (202) is fixedly welded to the outer wall of the sliding block (203), and the outer wall of the sliding block (203) is slidably connected to the inner wall of the sliding groove; the bottom of the guide block (202) is fixedly connected to the top of the spring (204), and the bottom end of the spring (204) is fixedly connected to the top of the fixed plate (103).

4. The combined splicing type electrical switch assembly according to claim 3 is characterized in that: The opening member (3) comprises an opening rod (301), a striker (302) and a conductive rod (303); the outer wall of the opening rod (301) is provided with a fixing groove, and the inner wall of the fixing groove is fixedly plugged with the outer wall of one side of the guide block (202); the bottom end of the opening rod (301) is fixedly connected with the top end of the striker (302), and the bottom end of the conductive rod (303) is provided with a connecting hole, and the inner wall of the connecting hole is movably plugged with the outer wall of the striker (302).

5. The combined splicing type electrical switch assembly according to claim 4 is characterized in that: The fixing member (4) is composed of an inlet block (401), a conductive block (402), a melting tube (403), a fixing block (404) and an outlet block (405); the outer wall of the inlet block (401) is fixedly connected to the inner wall of the top of the housing (101); the bottom of the inlet block (401) is fixedly connected to the top of the conductive block (402); the bottom of the conductive block (402) is in sliding contact with the top of the melting tube (403); and the bottom end of the melting tube (403) is fixedly connected to the top of the melting tube (403). The top of one side of the fixed block (404) is in sliding contact with the top, the top of the other side of the fixed block (404) is fixedly connected to the bottom end of the conductive rod (303), and the bottom of the fixed block (404) is fixedly connected to the top of the outlet block (405), the outer wall of the outlet block (405) is fixedly connected to the inner wall of the bottom of the housing (101), and the inner wall of the conductive block (402) is provided with a conductive hole, and the inner wall of the conductive hole is slidably connected to the outer wall of the opening rod (301).

6. The combined splicing type electrical switch assembly according to claim 5, characterized in that: The replacement part (5) comprises a fixing clamp (501), a fixing rod (502), a protective plate (503) and a pulling block (504); the inner wall of one side of the fixing clamp (501) is movably engaged with the outer wall of the melting tube (403); a fixing hole is provided on the front side of the fixing clamp (501); the inner wall of the fixing hole is movably engaged with the outer wall of the back side of the fixing rod (502); the outer wall of the fixing rod (502) is slidably connected to the inner wall of the sliding hole; the other side of the fixing clamp (501) is fixedly connected to one side of the protective plate (503); the other side of the protective plate (503) is fixedly connected to one side of the pulling block (504); and the outer wall of the protective plate (503) is slidably abutted against the inner wall of the outer shell (101).

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