Fuse with warning function

Abstract

The invention provides a fuse with a warning function, which relates to the technical field of fuses and comprises a base and a fuse link. A supporting plate is fixedly mounted at the top of the base, a rotating body and a rotating frame are rotatably mounted on the supporting plate, two groups of conductors are further slidably mounted on the base, and the top ends of the conductors are in contact with the bottom surface of the mounting block; a fuse link of the device is convenient to disassemble, assemble and replace quickly after being fused, so that the device has better maintenance efficiency, under the action of a second elastic piece, the top of a conductor is always in contact with the bottom surface of a mounting block, and when the fuse link is fused, a rotating body rotates, so that a warning red strip on a warning cylinder is arranged at the outer end, and personnel are effectively reminded; the problems that a fuse link is inconvenient to disassemble, assemble and replace quickly after being fused, the connection effect of a circuit is easily influenced by poor contact when the fuse link is installed, and the maintenance efficiency is influenced due to the fact that a single fuse needs to be troubleshot one by one when being overhauled and replaced due to the fact that the number of fuses is large after the single fuse is fused are solved.

Description

Technical Field

[0001] The invention relates to the technical field of fuses, and in particular to a fuse with a warning function. Background Art

[0002] A fuse is a current protector that uses the heat generated by itself to melt the fuse after the current exceeds the specified value for a period of time, thereby disconnecting the circuit. A current protector made using this principle is used in places where power equipment is concentrated. However, due to the large number of fuses, they need to be checked one by one during maintenance and replacement. As for the existing fuses with warning functions, the fuse piece of the device is not easy to disassemble and replace quickly after it melts, and poor contact during installation of the fuse piece can easily affect the connectivity of the circuit. In addition, due to the large number of fuses, they need to be checked one by one during maintenance and replacement, affecting maintenance efficiency. Summary of the invention

[0003] The disclosed embodiment relates to a fuse with a warning function, wherein a spline shaft is respectively plugged and installed on the spline grooves at both ends of the fuse piece, so that the fuse piece of the device can be quickly disassembled and replaced after melting, so that the device has better maintenance efficiency. Under the action of the second elastic member, the top of the conductor is always in contact with the bottom surface of the mounting block on the fuse piece, so that the two ends of the fuse piece of the device have a better connection effect.

[0004] In a first aspect of the present disclosure, a fuse with a warning function is provided, which specifically comprises: a base and a fuse piece; A support plate is fixedly installed on the top of the base, and a group of rotating bodies and a group of rotating frames are rotatably installed on the support plate. The rotating body and the rotating frame are meshed and driven. Two groups of warning tubes are fixedly installed on the rotating body, and a group of conventional strips and a group of warning red strips are fixedly installed on the outer ends of the warning tubes. A group of fixed frames are also fixedly connected to the top of the base, and a group of spline shafts are slidably installed on the fixed frame and the rotating frame respectively. The spline shaft installation structures on the fixed frame and the rotating frame are the same, and mounting blocks are fixed on both ends of the fuse respectively, and a group of spline grooves are opened on the mounting blocks, and fixed The spline shafts on the fixed frame and the rotating frame are respectively plugged and installed on the spline grooves at both ends of the fuse piece. A group of movable plates are also slidably installed on the top of the base. The front and rear ends of the top of the base are respectively fixed with connecting blocks. A shell is clamped and installed on the top of the base. Two groups of observation grooves are opened on the shell. A group of first terminals and second terminals are fixedly installed on the outer end of the base. Two groups of conductors are also slidably installed on the base. The top of the conductor is an arc structure. Conductive blocks are fixed at intervals on the top of the conductor, and the top of the conductor is respectively in contact with the bottom surface of the mounting block on the fuse piece.

[0005] In at least some embodiments, a set of fixed ear plates are fixedly installed at both ends of the bottom of the conductor. A set of sliding holes are formed in the fixed ear plates. Four sets of fixed rods are fixedly installed inside the base, and the sliding holes of the fixed ear plates at the bottom of the conductor are respectively slidably installed on the fixed rods inside the base.

[0006] In at least some embodiments, a set of third elastic members are respectively sleeved on the ejector rods at the top of the base, and the inner ends of the third elastic members are respectively in contact with the outer end faces of the connecting plates on the moving plate.

[0007] In at least some embodiments, a set of first elastic members are installed in the inner sliding grooves at the inner ends of the fixed brackets. A set of sliding rods are fixedly connected to the outer ends of the sliding columns on the spline shaft, and the inner ends of the first elastic members are in contact with the outer end faces of the sliding columns on the spline shaft.

[0008] In at least some embodiments, a set of second gears are fixedly installed on the rotating frame, and a set of first gears are fixedly installed on the rotating body, and the second gears on the rotating frame are in meshing transmission connection with the first gears of the rotating body.

[0009] In at least some embodiments, two sets of ejector rods are fixedly installed at the top of the base. A set of connecting plates are respectively fixedly installed at both ends of the moving plate. A set of sliding holes are formed in the connecting plates, and the sliding holes of the connecting plates at both ends of the moving plate are respectively slidably installed on the ejector rods at the top of the base.

[0010] In at least some embodiments, a set of wires are fixedly connected to the outer ends of the conductors, and the outer ends of the wires on the two conductors are respectively fixedly connected to the first terminal and the second terminal.

[0011] In at least some embodiments, a set of racks are fixedly installed on the top of the moving plate, and the bottom of the second gear on the rotating frame is in meshing transmission connection with the rack on the top of the moving plate.

[0012] In at least some embodiments, a set of second elastic members are respectively sleeved on the fixed rods inside the base, and the tops of the second elastic members are in contact with the bottom surfaces of the fixed ear plates on the conductor.

[0013] In at least some embodiments, a set of inner sliding grooves are formed at the inner ends of the fixed brackets. A set of sliding columns are fixedly installed on the spline shaft, and the sliding columns on the spline shaft are slidably installed on the inner sliding grooves at the inner ends of the fixed brackets.

[0014] The present invention provides a fuse with a warning function, which has the following beneficial effects: In the present invention, the spline shaft is respectively inserted and installed on the spline grooves at both ends of the fuse piece, so that the fuse piece of the device can be quickly disassembled and replaced after fusing, making the device have better maintenance efficiency. Under the action of the second elastic member, the top of the conductor always contacts the bottom surface of the mounting block on the fuse piece, so that both ends of the fuse piece of the device have better connection effect, avoiding poor contact during the installation of the fuse piece and affecting the connection effect of the circuit; and through the cooperation of the rotating body and the third elastic member, when the fuse piece fuses, it drives the rotating body to rotate, so that the warning red strip on the warning cylinder is placed at the outer end, to effectively remind personnel, facilitating the quick maintenance and replacement of the device, effectively improving the warning effect of the device. At the same time, when disassembling both ends of the fused fuse piece, under the action of the second elastic member, through the upward force of the conductor on both ends of the fuse piece, it can automatically pop out during disassembly and maintenance, further improving the installation efficiency of the device. In addition, by pulling the spline shaft outwards, both ends of the fuse piece are respectively placed at the installation positions of the fixed frame and the rotating frame, and then releasing the spline shaft, under the action of the first elastic member in the inner chute, the spline shaft moves inwards, and the spline shafts on the fixed frame and the rotating frame are respectively inserted and installed on the spline grooves at both ends of the fuse piece, so that the fuse piece of the device can be quickly disassembled and replaced after fusing, making the device have better maintenance efficiency. And the sliding holes of the fixed ear plates at the bottom of the conductor are respectively slidably installed on the fixed rods inside the base. Under the action of the second elastic member on the fixed rods, the top of the conductor always contacts the bottom surface of the mounting block on the fuse piece. And the outer ends of the wires on the two groups of conductors are respectively fixedly connected to the first terminal and the second terminal, so that both ends of the fuse piece of the device have better connection effect, avoiding poor contact during the installation of the fuse piece and affecting the connection effect of the circuit. At the same time, when disassembling both ends of the fused fuse piece, under the action of the second elastic member, through the upward force of the conductor on both ends of the fuse piece, it can automatically pop out during disassembly and maintenance, further improving the installation efficiency of the device. And the conductive blocks fixed at intervals on the top of the conductor improve the connection effect between the device and the fuse piece, avoiding the problem of easy disconnection due to poor contact during its installation.

[0015] In addition, with the rotating frame in a horizontal state, the third elastic member on the ejector rod is compressed, and the normal strip on the warning cylinder is at the outer end. When the fuse piece fuses, under the action of the third elastic member, the rotating frame rotates, and at the same time drives the rotating body to rotate, so that the warning red strip on the warning cylinder is placed at the outer end, to effectively remind personnel, facilitating the quick maintenance and replacement of the device, effectively improving the warning effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0017] The accompanying drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

[0018] In the accompanying drawings: Figure 1 is a front - side axonometric schematic diagram of the fuse with a warning function of the present invention.

[0019] Figure 2 is a disassembly and assembly schematic diagram of the fuse with a warning function of the present invention.

[0020] Figure 3 is a disassembly and assembly schematic diagram of the fuse link of the fuse with a warning function of the present invention.

[0021] Figure 4 is a cross - sectional schematic diagram of the fixing bracket of the fuse with a warning function of the present invention.

[0022] Figure 5 is an installation schematic diagram of the conductor of the fuse with a warning function of the present invention.

[0023] Figure 6 is an installation schematic diagram of the inner end of the first terminal of the fuse with a warning function of the present invention.

[0024] Figure 7 is a disassembly schematic diagram of the base of the fuse with a warning function of the present invention.

[0025] Figure 8 is an installation schematic diagram of the moving plate of the fuse with a warning function of the present invention.

[0026] List of reference numerals 1. Base; 101. Support plate; 102. Rotating body; 1021. First gear; 1022. Warning cylinder; 1023. Conventional strip; 1024. Warning red strip; 103. Fixing bracket; 1031. Inner sliding groove; 104. Rotating bracket; 1041. Second gear; 105. Spline shaft; 1051. Slide post; 1052. Slide rod; 1053. First elastic member; 106. Fixed rod; 1061. Second elastic member; 107. Moving plate; 1071. Connecting plate; 1072. Rack; 108. Thumb - screw; 1081. Third elastic member; 2. Housing; 201. Observation slot; 3. First terminal; 4. Second terminal; 5. Fuse link; 501. Installation block; 502. Spline groove; 6. Conductor; 601. Fixed ear plate; 602. Conducting wire. Detailed implementation manners

[0027] In order to make the purpose, technical solution and advantages of the embodiment of the present invention clearer, the technical solution of the embodiment of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiment of the present invention. Obviously, the described embodiment is a part of the embodiment of the present invention, not all of the embodiments. Based on the described embodiment of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] Example 1: Please refer to Figures 1 to 8 As shown: The present invention provides a fuse with a warning function, comprising a base 1 and a fuse piece 5; A support plate 101 is fixedly installed on the top of the base 1, and a group of rotating bodies 102 and a group of rotating frames 104 are rotatably installed on the support plate 101. The rotating body 102 and the rotating frame 104 are meshed and transmission-connected. Two groups of warning cylinders 1022 are fixedly installed on the rotating body 102, and a group of conventional bars 1023 and a group of warning red bars 1024 are fixedly installed on the outer ends of the warning cylinders 1022. A group of fixed frames 103 are also fixedly connected to the top of the base 1. A group of spline shafts 105 are slidably installed on the fixed frames 103 and the rotating frames 104, and the spline shafts 105 on the fixed frames 103 and the rotating frames 104 have the same installation structure. Mounting blocks 501 are fixed to both ends of the fuse piece 5, and the mounting blocks 50 1 is provided with a group of spline grooves 502, and the spline shafts 105 on the fixed frame 103 and the rotating frame 104 are respectively plugged and installed on the spline grooves 502 at both ends of the fuse piece 5. A group of movable plates 107 are also slidably installed on the top of the base 1, and the front and rear ends of the top of the base 1 are respectively fixed with connecting blocks. The top of the base 1 is clamped and installed with a shell 2, and two groups of observation grooves 201 are provided on the shell 2. A group of first terminals 3 and second terminals 4 are fixedly installed on the outer end of the base 1. Two groups of conductors 6 are also slidably installed on the base 1. The top of the conductor 6 is an arc structure, and conductive blocks are fixed at intervals on the top of the conductor 6, and the top of the conductor 6 is respectively in contact with the bottom surface of the mounting block 501 on the fuse piece 5.

[0029] Among them, Figures 2 to 6 As shown, a group of inner grooves 1031 are opened at the inner end of the fixed frame 103, a group of sliding columns 1051 are fixedly installed on the spline shaft 105, and the sliding columns 1051 on the spline shaft 105 are slidably installed on the inner grooves 1031 at the inner end of the fixed frame 103, a group of first elastic members 1053 are installed in the inner grooves 1031 at the inner end of the fixed frame 103, and a group of sliding rods 1052 are fixedly connected to the outer ends of the sliding columns 1051 on the spline shaft 105, and the inner ends of the first elastic members 1053 are in contact with the outer end surfaces of the sliding columns 1051 on the spline shaft 105.

[0030] In the embodiments of the present disclosure, a set of wires 602 is fixedly connected to the outer end of the conductor 6, and the outer ends of the wires 602 on the two groups of conductors 6 are respectively fixedly connected to the first terminal 3 and the second terminal 4. A set of fixed ear plates 601 are respectively fixedly installed at both bottom ends of the conductor 6. A set of sliding holes are formed in the fixed ear plates 601. Four sets of fixed rods 106 are fixedly installed inside the base 1, and the sliding holes of the fixed ear plates 601 at the bottom of the conductor 6 are respectively slidably installed on the fixed rods 106 inside the base 1. A set of second elastic members 1061 are respectively sleeved on the fixed rods 106 inside the base 1, and the top of the second elastic member 1061 is in contact with the bottom surface of the fixed ear plate 601 on the conductor 6; specifically, the sliding column 1051 on the spline shaft 105 is slidably installed on the inner sliding groove 1031 at the inner end of the fixed bracket 103. Pull the spline shaft 105 outwards, place both ends of the fuse link 5 at the installation positions of the fixed bracket 103 and the rotating bracket 104 respectively, release the spline shaft 105, and under the action of the first elastic member 1053 in the inner sliding groove 1031, the spline shaft 105 moves inwards, and the spline shafts 105 on the fixed bracket 103 and the rotating bracket 104 are respectively inserted into the spline grooves 502 at both ends of the fuse link 5, so that the fuse link 5 of the present device is convenient for quick disassembly and replacement after fusing, making the device have better maintenance efficiency. Moreover, the sliding holes of the fixed ear plates 601 at the bottom of the conductor 6 are respectively slidably installed on the fixed rods 106 inside the base 1. Under the action of the second elastic member 1061 on the fixed rod 106, the top of the conductor 6 is always in contact with the bottom surface of the mounting block 501 on the fuse link 5, and the outer ends of the wires 602 on the two groups of conductors 6 are respectively fixedly connected to the first terminal 3 and the second terminal 4, so that both ends of the fuse link 5 of the present device have better connection effects, avoiding poor contact during the installation of the fuse link 5 and affecting the connection effect of the circuit. At the same time, when disassembling both ends of the fused fuse link 5, under the action of the second elastic member 1061, the upward force of the conductor 6 on both ends of the fuse link 5 causes it to automatically pop out during disassembly and maintenance, further improving the installation efficiency of the device. Moreover, the spaced fixed conductive blocks at the top of the conductor 6 improve the connection effect between the device and the fuse link 5, avoiding the problem of easy disconnection due to poor contact during installation.

[0031] Embodiment 2: On the basis of Embodiment 1, wherein, as Figure 7 and Figure 8As shown, two groups of top rods 108 are fixedly installed on the top of the base 1, and a group of connecting plates 1071 are fixedly installed at both ends of the moving plate 107. A group of sliding holes are opened on the connecting plates 1071, and the sliding holes of the connecting plates 1071 at both ends of the moving plate 107 are slidably installed on the top rods 108 on the top of the base 1, and a group of third elastic members 1081 are respectively sleeved and installed on the top rods 108 on the top of the base 1, and the inner ends of the third elastic members 1081 are respectively in contact with the outer end surfaces of the connecting plates 1071 on the moving plate 107, a group of second gears 1041 are fixedly installed on the rotating frame 104, and a group of first gears 1021 are fixedly installed on the rotating body 102, and the second gears 1041 on the rotating frame 104 are meshed and transmission-connected with the first gears 1021 of the rotating body 102, and a group of racks 1072 are fixedly installed on the top of the moving plate 107, and the bottom of the second gear 1041 on the rotating frame 104 is meshed with the moving plate The rack 1072 at the top of 107 is meshed and transmitted; specifically, the sliding holes of the connecting plates 1071 at both ends of the movable plate 107 are respectively slidably installed on the top rod 108 at the top of the base 1, and the second gear 1041 on the rotating frame 104 is meshed and transmitted with the first gear 1021 of the rotating body 102, and the bottom of the second gear 1041 on the rotating frame 104 is meshed and transmitted with the rack 1072 at the top of the movable plate 107. When the rotating frame 104 is placed in a horizontal state, the third elastic member 1081 on the top rod 108 is compressed, and the conventional bar 1023 on the warning tube 1022 is at the outer end. When the fuse 5 is blown, under the action of the third elastic member 1081, the rotating frame 104 rotates, and at the same time drives the rotating body 102 to rotate, so that the warning red bar 1024 on the warning tube 1022 is placed at the outer end, so as to effectively remind personnel, facilitate rapid maintenance and replacement of the device, and effectively improve the warning effect of the device.

[0032] Specific usage method and function of this embodiment: In the present invention, the spline shaft 105 is pulled outwards, and both ends of the fuse piece 5 are respectively placed at the installation positions of the fixed frame 103 and the rotating frame 104. After loosening the spline shaft 105, under the action of the first elastic member 1053 in the inner sliding groove 1031, the spline shaft 105 moves inwards, and the spline shafts 105 on the fixed frame 103 and the rotating frame 104 are respectively inserted and installed on the spline grooves 502 at both ends of the fuse piece 5, so that the fuse piece 5 of this device is convenient for quick disassembly and replacement after fusing, making the device have better maintenance efficiency. Under the action of the second elastic member 1061 on the fixed rod 106, the top of the conductor 6 always contacts the bottom surface of the mounting block 501 on the fuse piece 5, and the outer ends of the wires 602 on the two groups of conductors 6 are respectively fixedly connected to the first terminal 3 and the second terminal 4, so that both ends of the fuse piece 5 of this device have better connection effects. When the rotating frame 104 is in a horizontal state, the third elastic member 1081 on the ejector rod 108 is compressed, and the conventional strip 1023 on the warning cylinder 1022 is at the outer end. When the fuse piece 5 fuses, under the action of the third elastic member 1081, the rotating frame 104 rotates, and at the same time drives the rotating body 102 to rotate, so that the warning red strip 1024 on the warning cylinder 1022 is placed at the outer end to effectively remind personnel, facilitating quick maintenance and replacement of the device, effectively improving the warning effect of the device. At the same time, when disassembling both ends of the fuse piece 5 after fusing, under the action of the second elastic member 1061, the upward force on both ends of the fuse piece 5 by the conductor 6 causes it to automatically pop out during disassembly and maintenance, further improving the installation efficiency of the device, and the conductive blocks fixed at intervals on the top of the conductor 6 improve the connection effect between the device and the fuse piece 5, avoiding the problem of poor contact and easy disconnection during installation.

Claims

1. A fuse with a warning function, characterized in that, It includes a base (1) and a fuse piece (5); A support plate (101) is fixedly installed at the top of the base (1). A set of rotators (102) and a set of rotating frames (104) are rotatably installed on the support plate (101). The rotators (102) and the rotating frames (104) are meshed and drivingly connected. Two sets of warning cylinders (1022) are fixedly installed on the rotators (102). A set of regular strips (1023) and a set of warning red strips (1024) are fixedly installed at the outer ends of the warning cylinders (1022). A set of fixing frames (103) are also fixedly connected to the top of the base (1). A set of spline shafts (105) are slidably installed on the fixing frames (103) and the rotating frames (104) respectively. The installation structures of the spline shafts (105) on the fixing frames (103) and the rotating frames (104) are the same. Installation blocks (501) are respectively fixed at both ends of the fuse piece (5). A set of spline grooves (502) are opened on the installation blocks (501). And the spline shafts (105) on the fixing frames (103) and the rotating frames (104) are respectively inserted and installed in the spline grooves (502) at both ends of the fuse piece (5). A set of moving plates (107) are also slidably installed on the top of the base (1). Connection clamping blocks are respectively fixedly provided at the front and rear ends of the top of the base (1). A housing (2) is clamped and installed on the top of the base (1). Two observation slots (201) are opened on the housing (2). A set of first terminals (3) and second terminals (4) are fixedly installed at the outer end of the base (1). Two sets of conductors (6) are also slidably installed on the base (1). The tops of the conductors (6) are of arc-shaped structures. Conductive blocks are fixedly spaced at the tops of the conductors (6). And the tops of the conductors (6) are respectively in contact with the bottom surfaces of the installation blocks (501) on the fuse piece (5); A set of inner sliding grooves (1031) are opened at the inner end of the fixing frame (103). A set of sliding columns (1051) are fixedly installed on the spline shaft (105). And the sliding columns (1051) on the spline shaft (105) are slidably installed in the inner sliding grooves (1031) at the inner end of the fixing frame (103); A set of first elastic members (1053) are installed in the inner sliding grooves (1031) at the inner end of the fixing frame (103). A set of sliding rods (1052) are fixedly connected to the outer ends of the sliding columns (1051) on the spline shaft (105). And the inner ends of the first elastic members (1053) are in contact with the outer end surfaces of the sliding columns (1051) on the spline shaft (105).

2. The fuse with a warning function according to claim 1, wherein: A set of fixed ear plates (601) are respectively fixedly installed at both ends of the bottom of the conductor (6). A set of sliding holes are opened on the fixed ear plates (601). Four sets of fixed rods (106) are fixedly installed inside the base (1). And the sliding holes of the fixed ear plates (601) at the bottom of the conductor (6) are respectively slidably installed on the fixed rods (106) inside the base (1).

3. The fuse with a warning function according to claim 2, characterized in that: A set of second elastic members (1061) are respectively sleeved and installed on the fixed rods (106) inside the base (1). And the tops of the second elastic members (1061) are in contact with the bottom surfaces of the fixed ear plates (601) on the conductor (6).

4. The fuse with a warning function according to claim 3, characterized in that: Two groups of push rods (108) are fixedly mounted on the top of the base (1), and a group of connecting plates (1071) are fixedly mounted on both ends of the movable plate (107). A group of sliding holes are opened on the connecting plates (1071), and the sliding holes of the connecting plates (1071) at both ends of the movable plate (107) are slidably mounted on the push rods (108) on the top of the base (1).

5. The fuse with a warning function according to claim 4, characterized in that: A group of third elastic members (1081) are respectively sleeved and installed on the top rods (108) at the top of the base (1), and the inner ends of the third elastic members (1081) are respectively in contact with the outer end surfaces of the connecting plates (1071) on the movable plate (107).

6. The fuse with a warning function according to claim 5, characterized in that: A group of second gears (1041) are fixedly mounted on the rotating frame (104), a group of first gears (1021) are fixedly mounted on the rotating body (102), and the second gears (1041) on the rotating frame (104) are meshed and transmission-connected with the first gears (1021) of the rotating body (102).

7. The fuse with a warning function according to claim 6, characterized in that: A set of racks (1072) are fixedly mounted on the top of the movable plate (107), and the bottom of the second gear (1041) on the rotating frame (104) is meshed and transmission-connected with the racks (1072) on the top of the movable plate (107).

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