Fuse

Abstract

The utility model discloses a fuse which comprises a fusion tube, a fuse body and two cover plates arranged at the two ends of the fusion tube respectively, an installation channel is arranged in the fusion tube, the fuse body is installed in the installation channel, contact knives are arranged at the two ends of the installation channel, connecting plates are arranged at the inner ends of the contact knives, and the connecting plates are connected with the fuse body. The surface of the inner end of each connecting plate is provided with an inserting sleeve, the two ends of the melt are provided with inserting plates, the inserting plates are inserted into the inserting sleeves, one side of each inserting sleeve is provided with an elastic piece, one end of each elastic piece is obliquely provided with an abutting part towards the direction of the corresponding inserting sleeve, and the abutting parts abut against the melt. According to the utility model, the plugging plates at the two ends of the melt are plugged into the plugging sleeves on the connecting plate, and the melt is abutted and limited through the abutting parts of the elastic sheets, so that the melt is pressed in the plugging sleeves on the connecting plate, the melt and the contact knife can be connected and fixed through the self structure, the fixing operation is convenient, and the installation cost can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuse technology field, concretely relates to a fuse. BACKGROUND

[0002] Fuses are commonly used in electronic and motor products to protect the products from damage due to excessive current. The existing fuse generally includes a fuse tube and a fuse body. The fuse body is arranged in the fuse tube. When overcurrent occurs, the fuse body is fused due to overheating, thereby cutting off the circuit to prevent the components or circuit to be protected from damage.

[0003] The size of the filament fuse body is uniform and thin, and the fusing point is not easy to control, and it is difficult to change the impedance size. The sheet fuse body can control the fusing point and arc extinguishing point of the fuse element by making a weak structure, and the impedance size can be adjusted by changing the weak structure. Therefore, more and more fuses select sheet fuse bodies.

[0004] However, the existing sheet fuse body is fixed and installed by using a screw accessory and a contact blade. When the screw accessory is used to install the fuse body, the fuse body needs to be drilled and other processes, which is troublesome and increases the installation cost.

[0005] Therefore, the applicant has made a beneficial design and found a method to solve the above problems. The technical scheme to be introduced below is generated in this background. CONTENT OF THE UTILITY MODEL

[0006] The utility model provides a kind of fuse to solve the problems presented in the above background.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A kind of fuse, including fuse tube, fuse body and two cover plates respectively arranged at the both ends of the fuse tube, installation channel is arranged in the fuse tube, the fuse body is installed in the installation channel, the contact blade is arranged at the both ends of the installation channel, the inner end of the contact blade is equipped with connecting plate, the inner end of the connecting plate is equipped with plug-in sleeve, the both ends of the fuse body are equipped with plug-in plate, the plug-in plate is plugged into the plug-in sleeve, one side of the plug-in sleeve is equipped with elastic sheet, the elastic sheet is equipped with abutting portion with one end to the plug-in sleeve direction inclination, the abutting portion is in abutment with the fuse body.

[0009] Preferably, the both sides of the installation channel are equipped with convex strip, the both ends of the convex strip are equipped with clamping block, the both sides of the connecting plate are equipped with clamping groove, the clamping block is clamped into the clamping groove.

[0010] Preferably, one side of the plug-in plate and one side inner wall of the plug-in sleeve are inclined surface structure.

[0011] Preferably, the fuse tube is provided with a plurality of screw holes at both axial ends, and the cover plates are installed on both ends of the fuse tube by screws.

[0012] Preferably, the cover plates are provided with through holes, and the outer ends of the contact blades are inserted through the through holes and placed outside the melt.

[0013] Advantages

[0014] The above one or more technical solutions in the fuse provided by the embodiments of the present application have at least one of the following technical effects:

[0015] According to the above technical solution, the plug-in plates at both ends of the melt are plugged into the plug-in sleeves on the connecting plate, and the abutting part of the elastic sheet abuts against and limits the melt, so that the melt is pressed into the plug-in sleeves on the connecting plate, and the melt and the contact blade can be connected and fixed through the structure thereof, the fixing operation is facilitated, and the installation cost can be effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0017] Figure 2 It is a schematic diagram of the overhead cross-sectional structure of the present application;

[0018] Figure 3 It is a schematic diagram of the explosion structure of the present application;

[0019] Figure 4 It is a schematic diagram of the melt structure of the present application;

[0020] Figure 5 It is a schematic diagram of the contact blade structure of the present application.

[0021] The correspondence between the annotations of the various drawings in the figure and the component names is as follows:

[0022] 1, fuse tube; 2, melt; 3, cover plate; 4, installation channel; 5, contact blade; 6, connecting plate; 7, plug-in sleeve; 8, plug-in plate; 9, elastic sheet; 10, abutting part; 11, protruding strip; 12, clamping block; 13, clamping groove; 14, screw hole; 15, through hole. DETAILED DESCRIPTION

[0023] The technical solutions of the present application will be described clearly and completely below in conjunction with the embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] In the description of the utility model, it needs to be understood that the orientation or position relation indicated by the terms such as ''up'', ''down'', ''left'', ''right'' in the specification is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0025] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms ''set'', ''install'', ''connect'', ''connection'' should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements, the above-mentioned terms in the utility model can be understood according to the specific circumstances by the ordinary skilled in the art.

[0026] As shown in the figure, it is a structure schematic view of a fuse of a preferred embodiment of the utility model, Figures 1-5

[0027] In the embodiment, the installation channel 4 is provided inside the fuse tube 1, the fuse body 2 is installed inside the installation channel 4, the contact blade 5 is provided at both ends of the installation channel 4, the connecting plate 6 is integrally provided at the inner end of the contact blade 5, the plug-in sleeve 7 is integrally provided at the inner end of the connecting plate 6, the plug-in plate 8 is integrally provided at both ends of the fuse body 2, the plug-in plate 8 is plugged into the plug-in sleeve 7, the connection between the fuse body 2 and the contact blade 5 is realized, the elastic sheet 9 is integrally welded on one side of the plug-in sleeve 7, the abutting portion 10 is provided at one end of the elastic sheet 9 and inclined to the plug-in sleeve 7, the abutting portion 10 abuts against the fuse body 2, the plug-in plate 8 is pressed in the plug-in sleeve 7 when the abutting portion 10 abuts against the fuse body 2, the fuse body 2 is fixed and limited, the connection and fixation between the fuse body 2 and the contact blade 5 can be realized through the structure itself, the fixing operation is facilitated, and the installation cost can be effectively reduced.

[0028] In the embodiment, the convex strip 11 is provided on the two side walls of the installation channel 4, the clamping block 12 is provided at both ends of the convex strip 11, and the clamping groove 13 is formed in the two sides of the connecting plate 6, and the clamping block 12 is clamped into the clamping groove 13.

[0029] In the embodiment, one side of the plug-in plate 8 and one side inner wall of the plug-in sleeve 7 are both inclined surface structures, which make the contact between the plug-in plate 8 and the plug-in sleeve 7 more closely, and the conductivity is better.

[0030] ​In the embodiment, the fuse tube 1 is provided with a plurality of screw holes 14 at both axial ends, and the cover plate 3 is installed at both ends of the fuse tube 1 by screws, so that the cover plate 3 and the fuse tube 1 are fixed.

[0031] In the embodiment, the cover plate 3 is provided with a through hole 15, and the outer end of the contact blade 5 is inserted through the through hole 15 and placed outside the melt 2, so that the contact blade 5 is connected with the outside.

[0032] The fuse of the utility model is installed, connected or arranged in a common mechanical manner, and can be implemented as long as the beneficial effects are achieved.

[0033] The utility model is not described in detail, and the skilled person in the art can easily implement the utility model on the basis of understanding the specification, and the content shown in the drawings is part of the specification.

[0034] The above content is a further detailed description of the utility model in combination with the specific embodiments, and cannot be considered as being limited to the description. For ordinary skilled person in the art to which the utility model belongs, some simple deductions or substitutions can be made without departing from the concept of the utility model, and all of them should be considered as being within the protection scope of the claims of the utility model. The above content is a further detailed description of the utility model in combination with the specific embodiments, and cannot be considered as being limited to the description. For ordinary skilled person in the art to which the utility model belongs, some simple deductions or substitutions can be made without departing from the concept of the utility model, and all of them should be considered as being within the protection scope of the claims of the utility model.

Claims

1. A fuse comprising a fuse tube (1), a fuse body (2), and two cover plates (3) respectively arranged at both ends of the fuse tube (1), characterized in that: The molten pipe (1) is internally provided with an installation channel (4), the molten body (2) is installed in the installation channel (4), both ends of the installation channel (4) are provided with a contact knife (5), the inner end of the contact knife (5) is provided with a connecting plate (6), the inner end of the connecting plate (6) is provided with a plug-in sleeve (7), both ends of the molten body (2) are provided with a plug-in plate (8), the plug-in plate (8) is plugged into the plug-in sleeve (7), one side of the plug-in sleeve (7) is provided with an elastic sheet (9), one end of the elastic sheet (9) is provided with an abutting portion (10) inclined to the plug-in sleeve (7), and the abutting portion (10) is abutted with the molten body (2).

2. A fuse according to claim 1, characterized in that: Both sides of the installation channel (4) are provided with a convex strip (11), both ends of the convex strip (11) are provided with a clamping block (12), both sides of the connecting plate (6) are provided with a clamping groove (13), and the clamping block (12) is clamped into the clamping groove (13).

3. A fuse according to claim 1, wherein: One side of the plug-in plate (8) and one side of the plug-in sleeve (7) are both inclined surface structures.

4. A fuse according to claim 1, wherein: Both ends of the molten pipe (1) are provided with a plurality of screw holes (14), and the cover plate (3) is installed at both ends of the molten pipe (1) through screws.

5. A fuse according to claim 1, wherein: Both the cover plates (3) are provided with through holes (15), and the outer end of the contact knife (5) is inserted through the through hole (15) and placed outside the molten body (2).

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