CN112863971A - Fuse and mounting structure thereof - Google Patents

Fuse and mounting structure thereof Download PDF

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Publication number
CN112863971A
CN112863971A CN202110020922.9A CN202110020922A CN112863971A CN 112863971 A CN112863971 A CN 112863971A CN 202110020922 A CN202110020922 A CN 202110020922A CN 112863971 A CN112863971 A CN 112863971A
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CN
China
Prior art keywords
groove
fuse
positioning
base
split body
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Granted
Application number
CN202110020922.9A
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Chinese (zh)
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CN112863971B (en
Inventor
陈张根
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Yuyao Chaoli Electric Appliance Co ltd
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Yuyao Chaoli Electric Appliance Co ltd
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Priority to CN202110020922.9A priority Critical patent/CN112863971B/en
Publication of CN112863971A publication Critical patent/CN112863971A/en
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Publication of CN112863971B publication Critical patent/CN112863971B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details
    • H01H85/20Bases for supporting the fuse; Separate parts thereof
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02Details

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Abstract

The invention relates to the technical field of fuses, and particularly discloses a fuse mounting structure which comprises a first split body, a second split body and a guide rail, wherein the first split body is fixedly mounted on the guide rail, and the second split body is movably mounted on the guide rail; the first split body comprises a base, a connecting plate fixed on the base, a connecting part installed on the base, a first connecting piece and a second connecting piece installed on the connecting plate. According to the fuse and the mounting structure thereof provided by the invention, the structures of the guide rail, the first split body and the second split body are improved, a user can adjust the distance between the second split body and the first split body according to actual conditions to enable the second split body and the first split body to be matched with specifications of the fuse, and the connecting pieces on the two split bodies can be adjusted according to different contact connection modes of the fuse to enable the connecting pieces to be matched with the fuses of different specifications and different connection modes, so that the connection is smoother and the use is more convenient.

Description

Fuse and mounting structure thereof
Technical Field
The invention relates to the technical field of fuses, in particular to a fuse and a mounting structure thereof.
Background
When the voltage exceeds the prescribed value for a while, the melt is melted by the heat generated by the melt itself, and the circuit is opened. The fuse protector is a circuit protector made by applying the principle. Fuses are widely applied to high and low voltage distribution systems, control systems and electric equipment as short circuit and overvoltage protectors, and are one of the most commonly applied protection devices.
At present, the fuse installation base that the assembly fuse used in the distribution system in the middle and low voltage apparatus field, no matter be the bolted connection mode, still touch the sword and insert the mode, all are fixed size, and the fuse is a one-to-one mode with the cooperation of installation base, has some problems when using:
the first problem is that: fuse and fuse installation base are one-to-one outfit, if size unmatched fuse and fuse base are connected, then can be because the contact sword length of fuse is not enough and can't insert or can't connect the connection, otherwise, then can also can't insert or connect because of touching the sword overlength.
The second problem is that: the style of fuse roughly can be divided into three kinds, and bolted connection mode's fuse, dull and stereotyped connected mode's fuse and the fuse of touching sword insertion mode, every kind of fuse all matches different fuse-bases, and this makes the cost of base rise, and when fuse installation base or fuse damage had to be changed appearing in the in-service use process, if do not have the reserve supplies of the same style, then corresponding intact fuse or fuse-base all will be useless, cause the waste.
In view of the above problems, the present invention provides a fuse and a mounting structure thereof.
Disclosure of Invention
Technical problem to be solved
The invention aims to provide a fuse base which can be adjusted according to actual conditions to be matched with fuses of different specifications and different connection modes, solve the problem that the fuses of different sizes are connected with the fuse base to cause connection failure, and simultaneously solve the problem that the fuses of different connection modes are matched with different fuse bases to cause waste.
(II) technical scheme
The technical scheme adopted by the invention for solving the technical problems is as follows: a fuse mounting structure comprises a first split body, a second split body and a guide rail, wherein the first split body is fixedly mounted on the guide rail, and the second split body is movably mounted on the guide rail; the first split body comprises a base, a connecting plate fixed on the base, a connecting part installed on the base, a first connecting piece and a second connecting piece installed on the connecting plate.
The first connecting piece is including setting up mounting groove on the connecting plate, movable mounting has the contact board in the mounting groove, the connecting plate with be equipped with the first fixed slot that is linked together on the base, first fixed slot with the mounting groove is linked together, just first fixed slot with the contact board matches.
A first screw hole is formed in the contact plate, and a second screw hole is formed in the position, opposite to the first screw hole, of the connecting plate; the upper surface of the base is provided with a nut hole matched with the first screw hole, and a nut is fixed in the nut hole and is provided with a corresponding connecting bolt.
The second connecting piece is including setting up second fixed slot on the connecting plate, the second fixed slot extends to the inside of base, swing joint has the contact portion in the second fixed slot.
The contact part comprises a contact seat, a sliding chute is arranged in the contact seat, two connecting contacts are symmetrically arranged in the sliding chute, a resisting spring is connected between each two connecting contacts and the inner wall of the sliding chute, and a traction spring is connected between each two connecting contacts; and an extension spring is connected between the contact seat and the second fixing groove.
Preferably, a first vertical groove and a second vertical groove are arranged in the second fixing groove, the second vertical groove penetrates through one side wall of the second fixing groove, a positioning groove is arranged on the outer wall of the side wall through which the second vertical groove penetrates, and the positioning groove is arranged at two ends of the second vertical groove; the second fixed groove is opposite to the inner wall of the second vertical groove and is also provided with a positioning groove, and the positioning grooves are also positioned at two ends of the first vertical groove.
Preferably, a positioning rod is connected in the contact seat in a sliding manner, the positioning rod is matched and connected with the first vertical groove and the second vertical groove in a sliding manner, positioning blocks matched with the positioning grooves are arranged at two ends of the positioning rod, and an inner groove matched with the positioning blocks is arranged on the side wall of the contact seat, which is opposite to the first vertical groove.
Preferably, the connecting part comprises a third screw hole formed in the connecting plate, a bolt hole matched with the third screw hole is formed in the upper surface of the base, a positioning bolt penetrates through the bolt hole, and the positioning bolt penetrates through the third screw hole and is in threaded connection with a nut.
Preferably, the connecting plate is provided with a screw hole, and the connecting plate is fixed on the base by matching the screw with the screw hole.
Preferably, a sliding groove is formed in the first fixing groove, a rotating rod is arranged at one end, close to the first fixing groove, of the contact plate, and the rotating rod is movably connected with the sliding groove.
Preferably, the base of the first split body is nested on the guide rail, and the base is fixed on the guide rail by screws through screw holes below the base.
Preferably, the position that the interior bottom surface of guide rail is close to the second subdivision is equipped with the stopper, stopper evenly distributed is in the interior bottom surface of guide rail, the second subdivision with first subdivision structure is the same, just still be equipped with on the second subdivision with stopper assorted stop part.
Preferably, the limiting component comprises a fixing block located on the lower end face of the second sub-body and a limiting plate matched with the limiting block, the limiting plate is arranged on the lower end face of the second sub-body, one end of the limiting plate is rotatably connected with the lower end face of the second sub-body, and a limiting spring is connected between the other end of the limiting plate and the lower end face of the second sub-body.
Preferably, the lateral wall of the second part is provided with a groove, a rope groove is communicated between the groove and the lower end face of the second part, a pull ring is connected in the groove in a clamping manner, the pull ring is connected with a pull rope, and the pull rope penetrates through the rope groove and is connected with the limiting plate.
Preferably, the guide rail is provided with a baffle plate opposite to the tail end of the second split body, and an extension spring is connected between the baffle plate and the fixed block.
Another object of the present invention is to provide a fuse including the fuse mounting structure described above.
(III) advantageous effects
1. According to the fuse and the mounting structure thereof provided by the invention, the structures of the guide rail, the first split body and the second split body are improved, a user can adjust the distance between the second split body and the first split body according to actual conditions to enable the second split body and the first split body to be matched with specifications of the fuse, and connecting pieces on the two split bodies can be adjusted according to different contact connection modes of the fuse to enable the connecting pieces to be matched with the fuses of different specifications and different connection modes, so that the connection is smoother and the use is more convenient.
2. According to the fuse and the installation structure thereof, the first connecting piece is arranged, all parts in the first connecting piece are matched with each other, the contact plate is connected with the contact of the fuse through the connecting bolt, so that the fuse is fixed on the first split body and the second split body.
3. According to the fuse and the installation structure thereof, the second connecting piece is arranged, all parts in the second connecting piece are matched with each other, the connecting contact extends out and clamps the contact knife of the fuse by utilizing the clamping action among the positioning rod, the positioning block and the positioning groove, so that the fuse is fixed on the first split body and the second split body, and the structure is suitable for the fuse in an insertion connection mode.
4. The fuse and the installation structure thereof provided by the invention are provided with the limiting component, the limiting component is matched with the limiting block on the guide rail, when the fuse installation structure is assembled, the first sub-body is fixed on the guide rail through the screw, then the limiting component is adjusted, the second sub-body is moved, and when the second sub-body is moved to a proper position, the limiting component is adjusted to be clamped with the limiting block to realize the positioning of the second sub-body, so that the distance between the second sub-body and the first sub-body is matched with the size of the fuse, and the contact knife of the fuse can be smoothly connected with the fuse installation structure.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view of a second section of the present invention;
FIG. 3 is a schematic exploded view of a first embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a threaded fuse connection according to the present invention;
FIG. 5 is a schematic sectional view of the flat-plate type fuse according to the present invention;
FIG. 6 is a cross-sectional view of a second connecting member according to the present invention;
fig. 7 is a schematic sectional view of the plug-in fuse according to the present invention.
Wherein: 1 first split, 11 first connecting piece, 111 mounting groove, 112 contact board, 113 first fixing groove, 114 first screw hole, 115 screw cap, 116 connecting bolt, 117 sliding groove, 118 rotating rod, 12 second connecting piece, 121 second fixing groove, 122 first vertical groove, 123 second vertical groove, 124 positioning groove, 13 base, 130 screw cap hole, 14 connecting plate, 140 second screw hole, 15 connecting piece, 151 third screw hole, 152 bolt hole, 153 positioning bolt, 154 nut, gasket 155, 156 elastic sheet, 16 contact head part, 161 contact seat, 162 sliding groove, 163 connecting contact, 164 resisting spring, 165 pulling spring, 166 telescopic spring, 167, 168 positioning block 169, inner groove, 2 second split, 20 limiting part, 201 fixing block, 202 limiting plate, 203 limiting spring, 204 groove, 205 rope groove, 206 pull ring, 207 pull rope, 3 guide rail, 30 baffle plate, 300 pulling spring, 31 limiting block, 4 fuse.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Referring to fig. 1 to 7, the present invention provides the following technical solutions: a fuse mounting structure comprises a first split body 1, a second split body 2 and a guide rail 3, wherein the first split body 1 is fixedly mounted on the guide rail 3, and the second split body 2 is movably mounted on the guide rail 3; the first sub-body 1 includes a base 13, a connecting plate 14 fixed to the base 13, a connecting member 15 mounted on the base 13, a first connecting member 11 and a second connecting member 12 mounted on the connecting plate 14.
The base 13 of the first split body 1 is nested on the guide rail 3, and the base 13 is fixed on the guide rail 3 by screws through screw holes under the base 13.
Referring to fig. 2, the position that the interior bottom surface of guide rail 3 is close to second subdivision 2 is equipped with stopper 31, stopper 31's cross-section is the right triangle structure, stopper 31 is just to the plane that the lateral wall of first subdivision 1 is the right angle limit place, stopper 31 evenly distributed is at the interior bottom surface of guide rail 3, second subdivision 2 is the same with first subdivision 1 structure, the base 13 of second subdivision 2 slides and cup joints on guide rail 3, and still be equipped with on the second subdivision 2 with stopper 31 assorted stop part 20.
Through adopting above-mentioned technical scheme, when equipment fuse mounting structure, earlier pass through the screw fixation on guide rail 3 with first components of a whole that can function independently 1, readjust spacing part 20 and remove second components of a whole that can function independently 2, when second components of a whole that can function independently 2 remove to suitable position, adjust spacing part 20, make spacing part 20 and stopper 31 looks joint, realize the location of second components of a whole that can function independently 2, thereby make the distance between second components of a whole that can function independently 2 and the first components of a whole that can function independently 1 and fuse 4's size phase-match, make fuse 4's touching sword can be smoothly connected with fuse mounting structure.
The limiting component 20 comprises a fixing block 201 positioned on the lower end face of the second segment 2 and a limiting plate 202 matched with the limiting block 31, the limiting plate 202 is arranged on the lower end face of the second segment 2, one end of the limiting plate 202 is rotatably connected with the lower end face of the second segment 2, the unfolding angle of the limiting plate 202 rotatably connected with the lower end face of the second segment 2 is matched with the limiting block 31, and a limiting spring 203 is connected between the other end of the limiting plate 202 and the lower end face of the second segment 2, so that the opening faces the limiting block 31 when the limiting plate 202 and the lower end face of the second segment 2 are unfolded, and the limiting plate 202 is clamped with the limiting block 31; wherein, under the normal condition, spacing spring 203 and limiting plate 202 cooperate for when limiting plate 202 extrudeed spacing spring 203 to suitable position, limiting plate 202 does not contact with stopper 31, and at this moment, make things convenient for second components 2 to remove on guide rail 3 with this to adjust the position of second components 2 make it and the distance between the first components 1 be adapted to fuse 4.
A groove 204 is formed in the side wall of the second body 2, a rope groove 205 is communicated between the groove 204 and the lower end face of the second body 2, a pull ring 206 is connected in the groove 204 in a clamping manner, the pull ring 206 is connected with a pull rope 207, and the pull rope 207 penetrates through the rope groove 205 to be connected with the limiting plate 202; wherein, pulling pull ring 206, pull ring 206 pulling stay cord 207 to pulling limiting plate 202 for limiting plate 202 extrudes spacing spring 203 to suitable position, and limiting plate 202 does not contact with stopper 31, and at this moment, make things convenient for second components of a whole that can function independently 2 to remove on guide rail 3.
Referring to fig. 1-2, the guide rail 3 is provided with a baffle 30 facing the tail end of the second component 2, the baffle 30 is symmetrically arranged at two sides of the lower end surface of the second component 2, and an extension spring 300 is connected between the baffle 30 and the fixed block 201; the extension spring 300 has a pulling effect on the second body 2, and the acting force of the extension spring 300 on the second body 2 is adapted to the acting force of the limiting plate 202 on the limiting block 31.
When concrete installation, thereby pulling pull ring 206 makes limiting plate 202 extrusion limiting spring 203 not contact with stopper 31, thereby remove second part 2 on guide rail 3, adjust second part 2 to suitable position make it and first part 1 between the distance be adapted to fuse 4, the effort to pull ring 206 is got rid of to the pine hand, the effect of limited position spring 203 reset force, make limiting plate 202 and second part 2 under the terminal surface open the time opening towards stopper 31, thereby make limiting plate 202 and stopper 31 joint mutually, extension spring 300's effect in addition, make second part 2 monolithic stationary on guide rail 3, at this moment, distance between second part 2 and the first part 1 and fuse 4's size phase-match, make fuse 4's the sword of touching can be connected with fuse mounting structure, it is comparatively simple and convenient to operate.
Referring to fig. 2, the connecting member 15 includes a third screw hole 151 disposed on the connecting plate 14, a bolt hole 152 matching with the third screw hole 151 is disposed on the upper surface of the base 13, a positioning bolt 153 penetrates through the bolt hole 152, and the positioning bolt 153 passes through the third screw hole 151 and is in threaded connection with a nut 154; a gasket 155 and an elastic sheet 156 are sleeved between the positioning bolt 153 and the nut 154 in sequence.
When the connecting device is used, the positioning bolt 153 penetrates through the third screw hole 151 in the connecting plate 14, the lead wire nose penetrates through the positioning bolt 153, the gasket 155 and the elastic sheet 156 penetrate through the positioning bolt 153, the nut 154 penetrates through the bolt and is screwed, and the lead wire is connected with the connecting plate 14 and the base 13.
The connecting plate 14 is provided with screw holes, and the connecting plate 14 is fixed on the base 13 by matching screws with the screw holes; wherein, be equipped with on base 13 with connecting plate 14 assorted connecting groove, connecting plate 14 joint is in the connecting groove, fixes connecting plate 14 on base 13 through the screw, can increase the area of contact of connecting plate 14 with base 13, and makes the upper surface that connecting plate 14 and base 13 are connected level and smooth.
Referring to fig. 3, the first connecting member 11 includes a mounting groove 111 disposed on the connecting plate 14, a contact plate 112 is movably mounted in the mounting groove 111, a first screw hole 114 is disposed on the contact plate 112, and a second screw hole 140 is disposed at a position of the connecting plate 14 opposite to the first screw hole 114; the upper surface of the base 13 is provided with a nut hole 130 matched with the first screw hole 114, and a nut 115 is fixed in the nut hole 130 and is provided with a corresponding connecting bolt 116; the structure is convenient to be connected with the fuse 4 in a bolt connection mode, the fuse 4 is clamped between the first split body 1 and the second split body 2, a connecting hole in a contact of the fuse 4 is aligned with the first screw hole 114, the second screw hole 140 and the nut 115, then the connecting bolt 116 penetrates through the connecting hole in the contact, the first screw hole 114 and the second screw hole 140 and is screwed into the nut 115, the elastic sheet 156 and the gasket 155 can be sleeved between the head of the connecting bolt 116 and the first screw hole 114, and finally the connecting bolt 116 is screwed into the nut 115, so that the fuse 4 is installed on the first split body 1 and the second split body 2 and can be put into use.
Referring to fig. 3 to 4, the connecting plate 14 and the base 13 are provided with a first fixing groove 113 communicated with each other, the first fixing groove 113 is located at one end near the middle position of the guide rail 3, the first fixing groove 113 is communicated with the mounting groove 111 and is perpendicular to the mounting groove 111, and the first fixing groove 113 is matched with the contact plate 112; the contact plate 112 can rotate at the mounting groove 111 and the first fixing groove 113, and the contact plate 112 slides into the first fixing groove 113 to realize clamping fixation.
A sliding groove 117 is arranged in the first fixing groove 113, a rotating rod 118 is arranged at one end of the contact plate 112 close to the first fixing groove 113, and the rotating rod 118 is movably connected with the sliding groove 117; wherein, the rotating rod 118 is rotatably connected with the sliding groove 117 at the upper end position of the sliding groove 117, and the rotating rod 118 can be slidably connected with the sliding groove 117; the contact plate 112 is rotated by 90 ° from the mounting groove 111 by the rotation rod 118 being engaged with the sliding groove 117, and the contact plate 112 is engaged with the inside of the first fixing groove 113 by moving the contact plate 112 together with the rotation rod 118 into the first fixing groove 113 while the rotation rod 118 is moved into the inside of the sliding groove 117; the structure is convenient to be connected with a fuse 4 in a flat connection mode, the fuse 4 is clamped between the first split body 1 and the second split body 2, and then the contact plate 112 is clamped inside the first fixing groove 113 and the inner wall of the contact plate 112 is contacted with a contact of the fuse 4 through the mutual matching of the mounting groove 111, the rotating rod 118, the sliding groove 117, the contact plate 112 and the first fixing groove 113; then, the elastic piece 156 and the spacer 155 are inserted into the connecting bolt 116, and the connecting bolt 116 is inserted through the first screw hole 114 of the contact plate 112 and screwed into the contact connecting hole of the fuse 4, so that the fuse 4 is mounted on the first and second divided bodies 1 and 2, and can be put into use.
Referring to fig. 3 to 5, the second connecting member 12 includes a second fixing groove 121 formed on the connecting plate 14, the second fixing groove 121 extending to the inside of the base 13, and a contact portion 16 movably connected to the second fixing groove 121.
The contact part 16 comprises a contact seat 161, a sliding groove 162 is arranged in the contact seat 161, two connecting contacts 163 are symmetrically arranged in the sliding groove 162, a resisting spring 164 is connected between the two connecting contacts 163 and the inner wall of the sliding groove 162, and a pulling spring 165 is connected between the two connecting contacts 163; an extension spring 166 is connected between the contact seat 161 and the second fixing groove 121; wherein the resisting spring 164 and the pulling spring 165 cooperate to make the distance between the two connecting contacts 163 small, thereby facilitating adaptation to the thickness of the contact blade of the fuse 4 and facilitating tightening of the connection between the two connecting contacts 163 and the contact blade of the fuse 4.
Referring to fig. 6 to 7, a first vertical groove 122 and a second vertical groove 123 are disposed in the second fixing groove 121, the second vertical groove 123 penetrates through one side wall of the second fixing groove 121, a positioning groove 124 is disposed on an outer wall of the side wall through which the second vertical groove 123 penetrates, and the positioning groove 124 is disposed at two ends of the second vertical groove 123; the inner wall of the second fixing groove 121 facing the second vertical groove 123 is also provided with a positioning groove 124, and the positioning groove 124 is also positioned at two ends of the first vertical groove 122; the first vertical groove 122 and the second vertical groove 123 are configured to facilitate the movement of the contact portion 16 in the second fixing groove 121, and the positioning groove 124 facilitates the positioning of the contact portion 16.
A positioning rod 167 is slidably connected in the contact seat 161, the positioning rod 167 is matched and slidably connected with the first vertical slot 122 and the second vertical slot 123, positioning blocks 168 matched with the positioning grooves 124 are arranged at two ends of the positioning rod 167, the positioning blocks 168 are fixedly arranged on the positioning rod 167, and an inner slot 169 matched with the positioning blocks 168 is arranged on the side wall of the contact seat 161, which is opposite to the first vertical slot 122; during adjustment, the positioning block 168 is held by hand and the positioning block 168 is pulled outwards, so that the positioning block 168 at the outer end is separated from the positioning groove 124 close to the second vertical groove 123, the positioning block 168 at the inner part is separated from the positioning groove 124 close to the first vertical groove 122 and enters the inner groove 169, at this time, the positioning rod 167 is aligned with the first vertical groove 122 and the second vertical groove 123, then the positioning rod 167 is moved upwards, so that the positioning rod 167 drives the contact part 16 to move upwards integrally, when the contact part 16 moves integrally to the position of the positioning groove 124 at the upper end, the positioning block 168 at the outer end is pushed, so that the positioning block 168 at the outer end enters the positioning groove 124 close to the second vertical groove 123, and the positioning block 168 at the inner groove 169 enters the positioning groove 124 close to the first vertical groove 122, so that the contact part 16 is positioned; at this moment, the two connecting contacts 163 extend out of the connecting plate 14, the structure is conveniently connected with the fuse 4 inserted into the connecting mode, when the fuse 4 is installed, the two connecting contacts 163 are adjusted through the adjusting process, then the fuse 4 is clamped between the first split body 1 and the second split body 2, the contact blade of the fuse 4 is clamped between the two connecting contacts 163, the two connecting contacts 163 are clamped by the action of the resisting spring 164 and the drawing spring 165, and therefore the fuse 4 is installed on the first split body 1 and the second split body 2 and can be put into use.
According to the improved structure of the guide rail 3, the first split body 1 and the second split body 2, a user can adjust the distance between the second split body 2 and the first split body 1 according to actual conditions to enable the second split body to be matched with specifications of the fuse 4, and connecting pieces on the two split bodies can be adjusted according to different contact connection modes of the fuse 4 to enable the connecting pieces to be matched with the fuse 4 with different specifications and different connection modes, so that connection is smoother and use is more convenient.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims (10)

1. The utility model provides a fuse mounting structure, includes first components of a whole that can function independently (1), second components of a whole that can function independently (2) and guide rail (3), its characterized in that: the first split body (1) is fixedly arranged on the guide rail (3), and the second split body (2) is movably arranged on the guide rail (3); the first split body (1) comprises a base (13), a connecting plate (14) fixed on the base (13), a connecting part (15) installed on the base (13), a first connecting piece (11) and a second connecting piece (12) installed on the connecting plate (14);
the first connecting piece (11) comprises a mounting groove (111) arranged on the connecting plate (14), a contact plate (112) is movably mounted in the mounting groove (111), a first fixing groove (113) communicated with the connecting plate (14) and the base (13) is formed in the base (13), the first fixing groove (113) is communicated with the mounting groove (111), and the first fixing groove (113) is matched with the contact plate (112);
a first screw hole (114) is formed in the contact plate (112), and a second screw hole (140) is formed in the position, opposite to the first screw hole (114), of the connecting plate (14); the upper surface of the base (13) is provided with a nut hole (130) matched with the first screw hole (114), and a nut (115) is fixed in the nut hole (130) and is provided with a corresponding connecting bolt (116);
the second connecting piece (12) comprises a second fixing groove (121) arranged on the connecting plate (14), the second fixing groove (121) extends to the inside of the base (13), and a contact part (16) is movably connected in the second fixing groove (121);
the contact part (16) comprises a contact seat (161), a sliding groove (162) is arranged in the contact seat (161), two connecting contacts (163) are symmetrically arranged in the sliding groove (162), a resisting spring (164) is connected between the two connecting contacts (163) and the inner wall of the sliding groove (162), and a pulling spring (165) is connected between the two connecting contacts (163); an expansion spring (166) is connected between the contact seat (161) and the second fixing groove (121).
2. A fuse mounting structure as set forth in claim 1, wherein: a first vertical groove (122) and a second vertical groove (123) are arranged in the second fixing groove (121), the second vertical groove (123) penetrates through one side wall of the second fixing groove (121), a positioning groove (124) is arranged on the outer wall of the side wall through which the second vertical groove (123) penetrates, and the positioning groove (124) is arranged at two ends of the second vertical groove (123); the inner wall of the second fixing groove (121) opposite to the second vertical groove (123) is also provided with a positioning groove (124), and the positioning groove (124) is also positioned at two ends of the first vertical groove (122).
3. A fuse mounting structure as set forth in claim 2, wherein: the contact seat (161) is connected with a positioning rod (167) in a sliding mode, the positioning rod (167) is matched with the first vertical groove (122) and the second vertical groove (123) and is connected with the first vertical groove and the second vertical groove in a sliding mode, positioning blocks (168) matched with the positioning grooves (124) are arranged at two ends of the positioning rod (167), and an inner groove (169) matched with the positioning blocks (168) is formed in the side wall, facing the first vertical groove (122), of the contact seat (161).
4. A fuse mounting structure as set forth in claim 3, wherein: the connecting component (15) comprises a third screw hole (151) formed in the connecting plate (14), a bolt hole (152) matched with the third screw hole (151) is formed in the upper surface of the base (13), a positioning bolt (153) penetrates through the bolt hole (152), and the positioning bolt (153) penetrates through the third screw hole (151) and is in threaded connection with a nut (154).
5. A fuse mounting structure as set forth in claim 1, wherein: be equipped with sliding tray (117) in first fixed slot (113), touch board (112) are close to first fixed slot (113) one end is equipped with dwang (118), dwang (118) with sliding tray (117) swing joint.
6. A fuse mounting structure as set forth in claim 1, wherein: the interior bottom surface of guide rail (3) is close to the position of second subdivision (2) is equipped with stopper (31), stopper (31) evenly distributed be in the interior bottom surface of guide rail (3), second subdivision (2) with first subdivision (1) structure is the same, just still be equipped with on second subdivision (2) with stopper (31) assorted spacing part (20).
7. A fuse mounting structure as set forth in claim 6, wherein: spacing part (20) including being located under second subdivision (2) fixed block (201) of terminal surface and with stopper (31) assorted limiting plate (202), limiting plate (202) set up the lower terminal surface of second subdivision (2), the one end of limiting plate (202) with the lower terminal surface of second subdivision (2) rotates and is connected, the other end of limiting plate (202) with be connected with spacing spring (203) between the terminal surface under second subdivision (2).
8. A fuse mounting structure as set forth in claim 7, wherein: the lateral wall of second part (2) is equipped with recess (204), recess (204) with intercommunication has grooving (205) between the lower terminal surface of second part (2), the joint has pull ring (206) in recess (204), pull ring (206) are connected with stay cord (207), stay cord (207) pass grooving (205) with limiting plate (202) are connected.
9. A fuse mounting structure as set forth in claim 8, wherein: the guide rail (3) is opposite to the tail end of the second sub-body (2) and is provided with a baffle (30), and an extension spring (300) is connected between the baffle (30) and the fixed block (201).
10. A fuse, characterized by: including the fuse mounting structure of any one of claims 1-9.
CN202110020922.9A 2021-01-05 2021-01-05 Fuse and mounting structure thereof Active CN112863971B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB523624A (en) * 1939-01-11 1940-07-18 Walsall Conduits Ltd Improvements in or relating to electric fuses
WO2007031656A1 (en) * 2005-09-15 2007-03-22 Socomec S.A. Electrical interrupt fuse appliance
CN103730300A (en) * 2012-10-13 2014-04-16 温州市方为熔断器有限公司 Fuse support piece (base) with DIN mobile guide rails
CN109037002A (en) * 2018-07-04 2018-12-18 安徽迪康电力科技有限公司 A kind of fuse base and its application method

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB523624A (en) * 1939-01-11 1940-07-18 Walsall Conduits Ltd Improvements in or relating to electric fuses
WO2007031656A1 (en) * 2005-09-15 2007-03-22 Socomec S.A. Electrical interrupt fuse appliance
CN103730300A (en) * 2012-10-13 2014-04-16 温州市方为熔断器有限公司 Fuse support piece (base) with DIN mobile guide rails
CN109037002A (en) * 2018-07-04 2018-12-18 安徽迪康电力科技有限公司 A kind of fuse base and its application method

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