CN209071265U - A kind of electronic component overcurrent protection fuse - Google Patents

Abstract

The utility model discloses a kind of electronic component overcurrent protection fuse, including Fixing clamp-seat and external screw thread fuse, flexible connection piece is provided at position and at the position of upper end front and rear sides at left and right sides of the Fixing clamp-seat upper end, fixed internal thread hole is provided at the interior location of the left and right sides among the Fixing clamp-seat, because being equipped with external screw thread fuse and female end electricity grade, so when the damage of external screw thread fuse, by connecting shell outside rotating female screw, so that after connecting shell and external screw thread insulation shell rotating separation outside internal screw thread, the external screw thread connecting column in external screw thread fuse will be with the internal screw thread body rotating separation in female end electricity grade simultaneously, damage external screw thread fuse can thus be taken off and replace, and connecting shell and external screw thread insulation shell outside internal screw thread can continue to use, so that user only needs replacing external screw thread fuse , resource has not only been saved in this way, but also also reduces the cost of user.

Description

A kind of electronic component overcurrent protection fuse

Technical field

The utility model belongs to electronic component overcurrent protection fuse correlative technology field, and in particular to a kind of electronics member Part overcurrent protection fuse.

Background technique

Fuse (fuse) is also referred to as current insurance silk, has been mainly overload protective function.It is correctly disposed in circuit Fuse, fuse will be when current anomaly be increased to certain height and temperature, itself fusing cutting electric current, protection Circuit safety operation.Before more than 100 years by the fuse of Edison invented be used for protect at that time valuableness incandescent lamp, with when The development in generation, fuse protect power equipment not by overcurrent overheat injury, avoid electronic equipment because of internal fault caused by Grievous injury.When circuit malfunctions or exception, constantly increased along with electric current, and raised electric current is possible to damage Certain important devices in circuit, it is also possible to burn circuit or even cause fire.If correctly having disposed fuse in circuit, So fuse will be when current anomaly be increased to certain height and temperature, itself fusing cutting electric current, to rise To the effect of protection circuit safety operation.

Existing electronic component overcurrent protection is had the following problems with fuse technology: existing electronic component overcurrent protection Because electric grade is held to be fixed together with insulation crust, and electric grade and fuse is held to fix when in use with fuse Link together, and fuse is inside insulation crust, so that hold electric grade, insulation crust and fuse become one it is whole Body, so user will abandon entire fuse, the fuse more renewed after fuse damage, not only waste is provided in this way Source, and also add the cost of user.

Utility model content

The purpose of this utility model is to provide a kind of electronic component overcurrent protection fuses, to solve above-mentioned background skill The waste of resource proposed in art and the cost problem for increasing user.

To achieve the above object, the utility model provides the following technical solutions: a kind of electronic component overcurrent protection insurance Silk, including Fixing clamp-seat and external screw thread fuse, at left and right sides of the Fixing clamp-seat upper end at position and upper end front and rear sides position Place is provided with flexible connection piece, is provided with fixed internal thread hole among the Fixing clamp-seat at the interior location of the left and right sides, and four The flexible connection piece is located at fixed internal thread hole towards at external position, being socketed with four flexible connection piece middle positions Connect shell outside screw thread, shell is connected outside two internal screw threads and is located at left and right sides of Fixing clamp-seat at top position, two internal screw threads Outer even shell is located above fixed internal thread hole towards external screw thread insulation shell, the external screw thread insulation shell is socketed at middle-end interior location At position, the external screw thread insulation shell is located at Fixing clamp-seat middle upper part position, connects in shell inner wall outside two internal screw threads Between be provided with female end electricity grade at position, be socketed with external screw thread fuse, institute at female end electricity grade interior location described in two sides It states external screw thread fuse to be located at external screw thread insulation shell interior location, the external screw thread fuse, which is located at outside internal screw thread, connects shell interior location Place.

Preferably, the external screw thread fuse includes that external screw thread connecting column, No.1 link block and fixed fuse, the fixation are molten Silk is provided with external screw thread connecting column at the position of left and right ends, and two external screw thread connecting columns are provided with towards outer end middle position No.1 link block, the external screw thread fuse are fixedly connected by external screw thread connecting column with female end electricity grade.

Preferably, the female end electricity grade includes fixed body, telecommunications connecting pin, No. two link blocks and internal screw thread body, institute It states and is provided with telecommunications connecting pin below fixed body inside middle position, inner wall middle position is provided with below the fixed body No. two link blocks, No. two link blocks are located at the top position of telecommunications connecting pin, are provided at the fixed body inner wall position Internal screw thread body, the female end electricity grade are fixedly connected by connecting shell outside fixed body and telecommunications connecting pin and internal screw thread.

Preferably, shell is connected outside the internal screw thread and is set as two, connects outside two internal screw threads and is arranged at shell inner wall position There is internal screw thread connector, connects shell outside two internal screw threads and be made of ferrous material.

Preferably, the external screw thread insulation shell is hollow tubular structure, is set at the outer wall position of external screw thread insulation shell both ends It is equipped with external screw thread body.

Preferably, the Fixing clamp-seat is made of insulating ceramics and connecting pin, and connecting pin is located at an insulating ceramics lower end left side Right two sides, the Fixing clamp-seat are connect by connecting pin with flexible connection piece telecommunications.

Preferably, the flexible connection piece is set as four, and four flexible connection piece height are set as two centimetres.

Preferably, the fixed internal thread hole is set as two, and two fixed internal thread hole height are set as two lis Rice.

Compared with prior art, the utility model provides a kind of electronic component overcurrent protection fuse, has following The utility model has the advantages that the utility model is equipped with external screw thread fuse and female end electricity grade, when the damage of external screw thread fuse, pass through Connect shell outside rotating female screw, so that after connecting shell and external screw thread insulation shell rotating separation outside internal screw thread, while in external screw thread fuse External screw thread connecting column will with the internal screw thread body rotating separation in female end electricity grade, thus can will damage external screw thread melt Silk, which is taken off, replace, and connecting shell and external screw thread insulation shell outside internal screw thread can continue to use, so that user only needs External screw thread fuse is replaced, has not only saved resource in this way, but also also reduce the cost of user.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention, in the accompanying drawings:

Fig. 1 be the utility model proposes a kind of electronic component overcurrent protection fuse structure schematic diagram；

Fig. 2 be the utility model proposes decomposition texture schematic diagram；

Fig. 3 be the utility model proposes internal unit partial enlargement structural representation；

Fig. 4 be the utility model proposes external screw thread fuse-wires structure schematic diagram；

Fig. 5 be the utility model proposes female end electricity level structure schematic diagram；

In figure: 1, connecting shell outside internal screw thread；2, flexible connection piece；3, Fixing clamp-seat；4, external screw thread insulation shell；5, external screw thread is molten Silk；51, external screw thread connecting column；52, No.1 link block；53, fixed fuse；6, fixed internal thread hole；7, female end electricity grade； 71, fixed body；72, telecommunications connecting pin；73, No. two link blocks；74, internal screw thread body.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of electronic component overcurrent protection fuse, Including Fixing clamp-seat 3 and external screw thread fuse 5, set at position and at the position of upper end front and rear sides at left and right sides of 3 upper end of Fixing clamp-seat It is equipped with flexible connection piece 2, in order to connect shell 1 outside preferably fixed internal screw thread, is set at the interior location of the left and right sides among Fixing clamp-seat 3 It is equipped with fixed internal thread hole 6, four flexible connection pieces 2 are located at fixed internal thread hole 6 towards at external position, pass through fixed internal thread hole 6, so that Fixing clamp-seat 3 is fixedly connected with external fixing end, four 2 middle positions of flexible connection piece, which are socketed with outside internal screw thread, to be connected Shell 1, two internal screw threads connect shell 1 outside and are located at 3 left and right sides top position of Fixing clamp-seat, connect shell 1 towards middle-end outside two internal screw threads External screw thread insulation shell 4 is socketed at interior location, in order to better play the effect of insulation, and also to which preferably observation is solid The case where determining fuse 53, external screw thread insulation shell 4 are located at fixed 6 top position of internal thread hole, and external screw thread insulation shell 4, which is located at, to be fixed At 3 middle upper part position of deck, 1 inner wall middle position of shell is connected outside two internal screw threads and is provided with female end electricity grade 7, in two sides External screw thread fuse 5 is socketed at 7 interior location of end of thread electricity grade, external screw thread fuse 5 is located at 4 interior location of external screw thread insulation shell Place, external screw thread fuse 5 are located at outside internal screw thread and connect at 1 interior location of shell, by connecting shell 1 outside external screw thread fuse 5 and internal screw thread, so that Voltage and current more preferably passes through.

Further, external screw thread fuse 5 includes external screw thread connecting column 51, No.1 link block 52 and fixed fuse 53, is fixed molten External screw thread connecting column 51 is provided at 53 left and right ends positions of silk, two external screw thread connecting columns 51 are arranged towards outer end middle position There is No.1 link block 52, external screw thread fuse 5 is fixedly connected by external screw thread connecting column 51 with female end electricity grade 7, and outer spiral shell is passed through Line connecting column 51 and the rotation of internal screw thread body 74 connect, so that external screw thread fuse 5 is fixedly connected with female end electricity grade 7, while So that No.1 link block 52 is connected with No. two 73 telecommunications of link block.

Further, female end electricity grade 7 includes fixed body 71, the link block 73 of telecommunications connecting pin 72, two and internal screw thread body 74, telecommunications connecting pin 72 is provided at 71 lower section inside middle position of fixed body, and 71 lower section inner wall middle position of fixed body is set No. two link blocks 73 are equipped with, No. two link blocks 73 are located at 72 top position of telecommunications connecting pin, set at 71 inner wall position of fixed body It is equipped with internal screw thread body 74, shell 1 is fixed to be connected female end electricity grade 7 by connecting outside fixed body 71 and telecommunications connecting pin 72 and internal screw thread It connects, is connected by internal screw thread body 74 and the rotation of external screw thread connecting column 51, so that external screw thread fuse 5 and female end electricity grade 7 are fixed Connection, while No.1 link block 52 is contacted with No. two link blocks 73 so that voltage and current imported by telecommunications connecting pin 72 it is interior Connect shell 1 outside screw thread.

Further, shell 1 is connected outside internal screw thread and is set as two, connects outside two internal screw threads and is provided with interior spiral shell at 1 inner wall position of shell Line connector connects shell 1 outside two internal screw threads and is made of ferrous material, passes through the outer of internal screw thread connector and external screw thread insulation shell 4 Threaded body rotation connection, is fixedly connected so that connecting shell 1 outside internal screw thread with external screw thread insulation shell 4, while also facilitating peace installation and dismantling Solution.

Further, external screw thread insulation shell 4 is hollow tubular structure, is provided at 4 both ends outer wall position of external screw thread insulation shell outer Threaded body, in order to better play the effect of insulation, and also to preferably observe.

Further, Fixing clamp-seat 3 is made of insulating ceramics and connecting pin, and connecting pin is located at insulating ceramics lower end or so two Side, Fixing clamp-seat 3 are connect by connecting pin with 2 telecommunications of flexible connection piece, by connecting pin, so that Fixing clamp-seat 3 and elasticity are even The preferably telecommunications of contact pin 2 connects, while being connect by connecting pin with external input signal cable and output signal line telecommunications, and Also function to the effect of insulation.

Further, flexible connection piece 2 is set as four, and four 2 height of flexible connection piece are set as two centimetres, in order to more preferable Connect shell 1 outside the fixed internal screw thread in ground, so that connecting shell 1 outside internal screw thread will not fall off.

Further, fixed internal thread hole 6 is set as two, and two 6 height of fixed internal thread hole are set as two centimetres, pass through After fixture nut and fixed internal thread hole 6 and external fixing end rotation connection, so that Fixing clamp-seat 3 is fixed with external fixing end Connection.

The working principle and process for using of the utility model: after the utility model installs, staff first passes through solid Determine nut and fixed internal thread hole 6 and external fixing end rotation connects, such Fixing clamp-seat 3 is just fixedly connected with external fixing end , will at this time connect outside two internal screw threads after shell 1 is stuck in four 2 middle positions of flexible connection piece, shell is connected outside such internal screw thread 1, external screw thread insulation shell 4, external screw thread fuse 5 and female end electricity grade 7 are secured to 2 middle position of flexible connection piece, this When again by the left and right sides connecting pin of Fixing clamp-seat 3 respectively with external power supply input signal cable and external power supply output signal line Telecommunications connection, because four flexible connection pieces 2 are separately mounted at 3 left and right sides position of Fixing clamp-seat and front and rear sides position Place, and connect with the left and right sides connecting pin of Fixing clamp-seat 3, so when energized, left side flexible connection piece 2 will generate Voltage and current, such voltage and current run past the telecommunications connected in the female end electricity grade 7 inside shell 1 outside the internal screw thread of left side Then voltage and power supply are imported No. two link blocks 73 by telecommunications connecting pin 72 again, later by the No.1 in left side by connecting pin 72 Link block 52, the external screw thread connecting column 51 in left side, fixed fuse 53, right side external screw thread connecting column 51 and right side No.1 link block 52, voltage and current is imported outside the internal screw thread of right side to the telecommunications connecting pin 72 connected in the female end electricity grade 7 inside shell 1, then Again by connecting shell 1 outside the internal screw thread of right side by two flexible connection pieces 2 of voltage and power supply importing right side, later again by two of right side Voltage and current is imported the right side connecting pin of Fixing clamp-seat 3 by flexible connection piece 2, finally by the right side connecting pin of Fixing clamp-seat 3 Voltage and current is conveyed to external power supply output signal line, here it is entire novel electronic component overcurrent protection fuses Working principle.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (8)

1. a kind of electronic component overcurrent protection fuse, including Fixing clamp-seat (3) and external screw thread fuse (5), it is characterised in that: It is provided with flexible connection piece (2) at position and at the position of upper end front and rear sides at left and right sides of Fixing clamp-seat (3) upper end, it is described It is provided with fixed internal thread hole (6) at the intermediate left and right sides interior location of Fixing clamp-seat (3), four flexible connection pieces (2) Positioned at fixed internal thread hole (6) towards at external position, four flexible connection piece (2) middle positions, which are socketed with outside internal screw thread, to be connected Shell (1), two internal screw threads connect shell (1) outside and are located at left and right sides of Fixing clamp-seat (3) at top position, two internal screw threads Outer even shell (1) towards being socketed with external screw thread insulation shell (4) at middle-end interior location, the external screw thread insulation shell (4) is located in fixed At threaded hole (6) top position, the external screw thread insulation shell (4) is located at Fixing clamp-seat (3) middle upper part position, described in two Connect shell (1) inner wall middle position outside internal screw thread and be provided with female end electricity grade (7), in female end electricity grade (7) described in two sides It is socketed at portion position external screw thread fuse (5), the external screw thread fuse (5) is located at external screw thread insulation shell (4) interior location, institute It states external screw thread fuse (5) and is located at outside internal screw thread and connect at shell (1) interior location.

2. a kind of electronic component overcurrent protection fuse according to claim 1, it is characterised in that: the external screw thread is molten Silk (5) includes external screw thread connecting column (51), No.1 link block (52) and fixed fuse (53), fixed fuse (53) left and right two It is provided at end position external screw thread connecting column (51), two external screw thread connecting columns (51) are provided with towards outer end middle position No.1 link block (52), the external screw thread fuse (5) connect by the way that external screw thread connecting column (51) and female end electricity grade (7) are fixed It connects.

3. a kind of electronic component overcurrent protection fuse according to claim 1, it is characterised in that: the female end Electric grade (7) includes fixed body (71), telecommunications connecting pin (72), No. two link blocks (73) and internal screw thread body (74), the fixed body (71) it is provided with telecommunications connecting pin (72) at the inside middle position of lower section, inner wall middle position is set below the fixed body (71) No. two link blocks (73) are equipped with, No. two link blocks (73) are located at telecommunications connecting pin (72) top position, the fixed body (71) it is provided at inner wall position internal screw thread body (74), the female end electricity grade (7) is connected by fixed body (71) with telecommunications Connect shell (1) outside end (72) and internal screw thread to be fixedly connected.

4. a kind of electronic component overcurrent protection fuse according to claim 1, it is characterised in that: outside the internal screw thread Even shell (1) is set as two, connects outside two internal screw threads and is provided with internal screw thread connector, two institutes at shell (1) inner wall position It states and connects shell (1) outside internal screw thread and be made of ferrous material.

5. a kind of electronic component overcurrent protection fuse according to claim 1, it is characterised in that: the external screw thread is exhausted Edge shell (4) is hollow tubular structure, is provided with external screw thread body at the outer wall position of external screw thread insulation shell (4) both ends.

6. a kind of electronic component overcurrent protection fuse according to claim 1, it is characterised in that: the Fixing clamp-seat (3) it is made of insulating ceramics and connecting pin, and connecting pin is located at left and right sides of insulating ceramics lower end, the Fixing clamp-seat (3) is logical Connecting pin is crossed to connect with flexible connection piece (2) telecommunications.

7. a kind of electronic component overcurrent protection fuse according to claim 1, it is characterised in that: the elastic connection Piece (2) is set as four, and four flexible connection pieces (2) are highly set as two centimetres.

8. a kind of electronic component overcurrent protection fuse according to claim 1, it is characterised in that: spiral shell in the fixation Pit (6) is set as two, and two fixed internal thread holes (6) are highly set as two centimetres.