CN208422839U - A kind of electronic fuse switch equipped with coaxial swinging structure - Google Patents
A kind of electronic fuse switch equipped with coaxial swinging structure Download PDFInfo
- Publication number
- CN208422839U CN208422839U CN201821267300.6U CN201821267300U CN208422839U CN 208422839 U CN208422839 U CN 208422839U CN 201821267300 U CN201821267300 U CN 201821267300U CN 208422839 U CN208422839 U CN 208422839U
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- swing arm
- fuse tube
- swinging structure
- arc
- contact
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Abstract
The utility model relates to a kind of electronic fuse switches equipped with coaxial swinging structure, fuse tube one end is electrically connected high-voltage connection terminal, the other end is fixedly connected with moving contact, one end of swing arm is fixed with pendulum frame, pendulum frame and fuse tube pass through two independent axis that pin shaft is either arranged on the same axis and are respectively hinged in fixing seat, putting frame is in U-typed structure, and one side is equipped with integrally formed lug, one end of the hinged push-pull rod in the end of lug；Fuse tube is equipped with pull ring and the link block with arc groove, and the other end of swing arm is equipped with hook, is hung in pull ring；Moving contact is connected with contact, and contact is the setting of sheet L-type, is fixed with arc-control device in fixed plate.The electronic fuse switch for being equipped with coaxial swinging structure is reasonable in design simple, is coaxially disposed by swing arm and fuse tube, realizes moving synchronously for fuse tube and swing arm, performance is stablized, and reduces production cost, while being additionally provided with arc-control device, eliminates safe hidden trouble.
Description
Technical field
The utility model relates to high voltage protective technical field of electric appliances, especially a kind of to fall equipped with the electronic of coaxial swinging structure
Fall formula fuse.
Background technique
Electronic fuse switch equipped with coaxial swinging structure is a kind of overcurrent protection electric appliance.It is widely used in high-low pressure
In distribution system and control system and electrical equipment, as short circuit or the protector of overcurrent.When electric current is more than specified value,
Melt is set to fuse with the heat that itself is generated, a kind of electric appliance of disconnecting circuit.Wherein drop type is equipped with the electricity of coaxial swinging structure
Dynamic fuse switch is outdoor high-voltage protector, is assemblied in distribution transformer high-pressure side or distribution wire strut route, is used as
Short circuit, overload protection and the division of transformer and route meet electric current, are connected in protected circuit, when in circuit or circuit
Apparatus overload or when breaking down, fuse generates heat and melts, to cut off circuit, reaches the mesh for protecting circuit or equipment
's.
The electronic fuse switch that drop type is equipped with coaxial swinging structure is mainly made of fuse tube, porcelain vase and swing arm,
The opening and closing for driving swing arm that fuse tube is driven to realize fuse tube, movement are that swing arm drives fuse tube to rotate around respective supporting point,
The rotational support point each (axis I 400 and axis II 500) of the opening and closing of completion movable contact, existing fuse tube and swing arm does not exist from independently
On same axis, therefore there are progressive erroies between swing arm and fuse tube in opening and closing, in order to cooperate the trip poor 600, in swing arm
It welds two L-type ears 100 to match with protrusion 200 on fuse tube, metric space is equipped between L-type ear 100 and protrusion 200
300 for opening and closing when movement travel difference surplus.The complex structural designs increase the overall weight of swing arm and fuse tube, driving
When stability it is poor, cost of manufacture is high.
Utility model content
For the deficiency in background technique, it is molten that the utility model provides a kind of electronic drop type equipped with coaxial swinging structure
Disconnected device, and overcome disadvantages described above.
The technical scheme adopted by the utility model to solve the technical problem is as follows:
A kind of electronic fuse switch equipped with coaxial swinging structure, including high-tension porcelain insulator, fuse tube, push-pull rod, pendulum
Arm and fixed plate, described fuse tube one end are electrically connected high-voltage connection terminal, and the other end is fixedly connected with moving contact, the high-tension porcelain insulator
Lower end is equipped with fixing seat, and one end of the swing arm is fixed with pendulum frame, and the pendulum frame and fuse tube pass through pin shaft and be either arranged
Two independent axis on the same axis are respectively hinged in fixing seat, and the pendulum frame is in " U " type structure, and one side is equipped with
Integrally formed lug, one end of the hinged push-pull rod in the end of the lug；The fuse tube is equipped with pull ring and has arc
The link block of groove, the other end of the swing arm is equipped with hook, described to be hung in pull ring；The moving contact is connected with touching
Piece, the contact are the setting of sheet L-type, are fixed with arc-control device in the fixed plate.
The other end of the push-pull rod is connected with driving motor.
The bottom of the pendulum frame is equipped with groove, and the end of the swing arm is placed in groove, solid by welding or screw mode
Fixed connection.
The arc-control device includes two clamping plates being oppositely arranged, and two-phase clamping plate forms arc-extinguish chamber, the outer wall of two clamping plate
It is equipped with reinforcing rib, the clamping plate material selection engineering plastics.
The contact is inserted between two clamping plates.
The clamping plate is equipped with opening, and opening is set as to outer folding edge.
By adopting the above-described technical solution, effectively improving existing fuse tube complex structural designs, integrated operation
Inflexible, the problem of stability difference, the electronic fuse switch that should be equipped with coaxial swinging structure is reasonable in design simple,
Overall weight is reduced, using flexible, is coaxially disposed by swing arm and fuse tube, realizes moving synchronously for fuse tube and swing arm, property
It can stablize, reduce production cost, while being additionally provided with arc-control device, effectively prevent the component when high pressure powers off and be burned, disappear
Except security risk, prolong the service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model background technique.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is the partial structural diagram of the utility model.
Fig. 4 is the fixed structure schematic diagram of swing arm 4 in Fig. 2.
Fig. 5 is the structural schematic diagram of link block 6 in Fig. 4.
Fig. 6 is the structural schematic diagram that frame 41 is put in Fig. 3.
Fig. 7 is the left view structural representation of Fig. 6.
Fig. 8 is the structural schematic diagram of hook 44 in Fig. 2.
1, high-tension porcelain insulator in figure；2, fuse tube；21, pull ring；3, push-pull rod；4, swing arm；41, frame is put；42, lug；43, recessed
Slot；44, it links up with；5, moving contact；51, pin shaft；6, link block；61, arc groove；7, contact；8, fixed plate；9, arc-control device；
91, clamping plate；92, to outer folding edge；10, fixing seat.
Specific embodiment
Referring to figs. 1 to Fig. 8 it is found that the utility model: a kind of electronic fuse switch equipped with coaxial swinging structure, packet
High-tension porcelain insulator 1, fuse tube 2, push-pull rod 3, swing arm 4 and fixed plate 8 are included, described 2 one end of fuse tube is electrically connected high-voltage connection terminal,
The other end is fixedly connected with moving contact 5, and 1 lower end of high-tension porcelain insulator is equipped with fixing seat 10, and one end of the swing arm 4 is fixed with pendulum frame
41, two independent axis that the pendulum frame 41 and fuse tube 2 are either arranged by pin shaft 51 on the same axis are cut with scissors respectively
It connects in fixing seat 10, the pendulum frame 41 is in " U " type structure, and one side is equipped with integrally formed lug 42, the lug 42
One end of the hinged push-pull rod 3 in end；The fuse tube 2 is equipped with pull ring 21 and the link block 6 with arc groove 61, described molten
Disconnected pipe 2 is cylindrical structure, and fuse tube 2 is placed in arc groove 61, and when fuse tube 2 is closed, swing arm 4 is pushed away by link block 6
Fuse tube 2 moves up.The other end of the swing arm 4 is equipped with hook 44, and the hook 44 is hung in pull ring 21, and pull ring 21 is used
Used in Manual push-pull, be standard component, hook 44 is used cooperatively with pull ring 21 first, makes full use of resource, simplify structure, reduction at
This；The moving contact 5 is connected with contact 7, and the contact 7 is the setting of sheet L-type, is fixed with arc-control device in the fixed plate 8
9。
The other end of the push-pull rod 3 is connected with driving motor, and driving motor drives push-pull rod 3 either to set around pin shaft 51
Two independent axis rotations on the same axis are set, push-pull rod 3 drives fuse tube 2 to be either arranged in same axis around pin shaft 51
Two independent axis on line rotate coaxially, and realize the opening and closing of moving contact 5.
The bottom of the pendulum frame 41 is equipped with groove 43, and the end of the swing arm 4 is placed in groove 43, passes through welding or screw
Mode is fixedly connected.
The arc-control device 9 includes two clamping plates 91 being oppositely arranged, and two-phase clamping plate 91 forms arc-extinguish chamber, two clamping plate 91
Outer wall be equipped with reinforcing rib, the 91 material selection engineering plastics of clamping plate.
The contact 7 is inserted between two clamping plates 91, and high pressure can generate open fire when powering off, and is used for arc extinguishing, is avoided burning out zero
Component or the risk factors such as on fire, high safety.
The clamping plate 91 is equipped with opening, and opening is set as to outer folding edge 92, accurately enters arc extinguishing convenient for contact 7 when closure
In cover, play the role of guiding.
The utility model effectively improves existing 2 complex structural designs of fuse tube, and integrated operation is inflexible, stablizes
Property difference problem, should the electronic fuse switch equipped with coaxial swinging structure it is reasonable in design simple, overall weight is reduced,
Using flexible is coaxially disposed by swing arm 4 and fuse tube 2, and realization fuse tube 2 is moved synchronously with swing arm 4, and performance is stablized, drop
Low production cost, while it being additionally provided with arc-control device 9, it effectively prevents the component when high pressure powers off and is burned, it is hidden to eliminate safety
Suffer from, prolongs the service life.
Every technical staff's notice: although the utility model is described according to above-mentioned specific embodiment, this
The invention thought of utility model is not limited to that utility model, and any repacking with inventive concept will all be included in this specially
In sharp scope of patent protection.
Claims (6)
1. a kind of electronic fuse switch equipped with coaxial swinging structure, including high-tension porcelain insulator (1), fuse tube (2), push-pull rod
(3), swing arm (4) and fixed plate (8), described fuse tube (2) one end are electrically connected high-voltage connection terminal, and the other end is fixedly connected with dynamic touching
Head (5), it is characterised in that: high-tension porcelain insulator (1) lower end is equipped with fixing seat (10), and one end of the swing arm (4) is fixed with pendulum
Two independences on the same axis are either arranged in frame (41), pendulum frame (41) and fuse tube (2) by pin shaft (51)
Axis be respectively hinged on fixing seat (10), the pendulum frame (41) be in " U " type structure, one side be equipped with integrally formed lug
(42), one end of the hinged push-pull rod in end (3) of the lug (42)；The fuse tube (2) is equipped with pull ring (21) and has
The other end of the link block (6) of arc groove (61), the swing arm (4) is equipped with hook (44), and the hook (44) is hung on drawing
In ring (21)；The moving contact (5) is connected with contact (7), and the contact (7) is that sheet L-type is arranged, on the fixed plate (8)
It is fixed with arc-control device (9).
2. a kind of electronic fuse switch equipped with coaxial swinging structure according to claim 1, it is characterised in that: institute
The other end for stating push-pull rod (3) is connected with driving motor.
3. a kind of electronic fuse switch equipped with coaxial swinging structure according to claim 1, it is characterised in that: institute
The bottom for stating pendulum frame (41) is equipped with groove (43), and the end of the swing arm (4) is placed in groove (43), passes through welding or screw side
Formula is fixedly connected.
4. a kind of electronic fuse switch equipped with coaxial swinging structure according to claim 1, it is characterised in that: institute
Stating arc-control device (9) includes two clamping plates (91) being oppositely arranged, and two-phase clamping plate (91) forms arc-extinguish chamber, the two-phase clamping plate (91)
Outer wall be equipped with reinforcing rib, clamping plate (91) the material selection engineering plastics.
5. a kind of electronic fuse switch equipped with coaxial swinging structure according to claim 4, it is characterised in that: institute
Contact (7) is stated to be inserted between two clamping plates (91).
6. a kind of electronic fuse switch equipped with coaxial swinging structure according to claim 5, it is characterised in that: institute
It states clamping plate (91) and is equipped with opening, opening is set as to outer folding edge (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821267300.6U CN208422839U (en) | 2018-08-07 | 2018-08-07 | A kind of electronic fuse switch equipped with coaxial swinging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821267300.6U CN208422839U (en) | 2018-08-07 | 2018-08-07 | A kind of electronic fuse switch equipped with coaxial swinging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208422839U true CN208422839U (en) | 2019-01-22 |
Family
ID=65121733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821267300.6U Active CN208422839U (en) | 2018-08-07 | 2018-08-07 | A kind of electronic fuse switch equipped with coaxial swinging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208422839U (en) |
-
2018
- 2018-08-07 CN CN201821267300.6U patent/CN208422839U/en active Active
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