CN208674042U - A kind of fuse contact knife compressing structure - Google Patents
A kind of fuse contact knife compressing structure Download PDFInfo
- Publication number
- CN208674042U CN208674042U CN201821544579.8U CN201821544579U CN208674042U CN 208674042 U CN208674042 U CN 208674042U CN 201821544579 U CN201821544579 U CN 201821544579U CN 208674042 U CN208674042 U CN 208674042U
- Authority
- CN
- China
- Prior art keywords
- contact knife
- fuse
- compressing structure
- driving gear
- driven gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of fuse contact knife compressing structures, including fuse, connecting terminal, installation pedestal and compressing structure, the fuse is square block, a contact knife is respectively provided in the middle part of left and right ends, the installation pedestal is ship type, and both upper ends thereof is symmetrically arranged with a mounting platform.A kind of fuse contact knife compressing structure provided by the utility model, compressing structure is driven by driving gear and driven gear, can be rotated around fixed link with the integrally formed compact heap of driven gear, and clamping is realized above contact knife, to play compression contact knife, the case where preventing connection loosening, fall off；Driving gear is located at the position of contact knife slot, and a part of gear teeth protrude into contact knife slot, plays certain fixed function；Using the clamping elastic slice made of copper foil with certain elasticity, increase the contact force between contact knife and connecting terminal by extruding force, the connection of further firm contact knife.
Description
Technical field
The utility model relates to fuse technologies field, especially a kind of fuse contact knife compressing structure.
Background technique
Fuse (fuse) refers to when electric current is more than specified value, so that melt is fused with the heat that itself is generated, disconnects electricity
A kind of electric appliance on road.Fuse is according to electric current be more than specified value for a period of time after, keep melt molten with its own heat generated
Change, so that circuit be made to disconnect automatically.Fuse is widely used in high and low voltage electric distribution system and control system and electrical equipment,
It is using one of most common electric protective device as the protector of short circuit and overcurrent.
Fuse during installation, is needed for the contact knife at fuse both ends to connect with the metal terminal at installation pedestal both ends and be led
It is logical, it just can guarantee the normal work of fuse, the terminals in the prior art contacted with fuse both ends contact knife are usually two
The symmetrical sheet metal of piece mostly uses copper sheet, and the contact knife of fuse is stuck between two panels sheet metal, and such connection structure makes
The connection obtained between contact knife and terminals is not close, easily occurs loosening or falling off in exterior vibration, the situation of open circuit, shadow occurs
The normal work of circuit is rung, therefore, designing a kind of fuse contact knife compressing structure is very important.
Utility model content
The purpose of this utility model is to provide a kind of fuse contact knife compressing structure, have the advantages of compressing contact knife, solution
Contact knife in the prior art of having determined connect not close, Yi Songdong, the problem of falling off with terminals.
According to a kind of fuse contact knife compressing structure of the utility model embodiment, including fuse, connecting terminal,
Installation pedestal and compressing structure, the fuse are square block, are respectively provided with a contact knife, the installation in the middle part of left and right ends
Pedestal is ship type, and both upper ends thereof is symmetrically arranged with a mounting platform, is fixed by fixed screw on each mounting platform
One connecting terminal, each connecting terminal vertical portion are equipped with a pair of symmetrical contact chip, the pair of symmetrical contact
The opposite side of piece is equipped with clamping elastic slice, and the contact knife is stuck in a pair of of contact chip, offsets with clamping elastic slice, the compression knot
Structure includes compact heap, fixed ring, driving gear and driven gear, and the compact heap is the metal square bar at a right angle, the pressure
The long right-angle side bottom end of tight block is equipped with driven gear, and the driven gear is socketed a fixed link, and is rotated and pacified by fixed ring
In installation pedestal loaded on connecting terminal rear, the driving gear is socketed the side wall that a fixed link is fixed on installation pedestal
On, the driving gear is engaged with driven gear, and the short right-angle side of the compact heap is located at the top of contact knife.
On the basis of above scheme, the centre of each contact knife is equipped with the strip hollow out extended along its length
Contact knife slot.
On the basis of above scheme, the compact heap, fixed ring, the quantity of driving gear and driven gear are two groups, right
Title is arranged in the installation pedestal at connecting terminal rear.
On the basis of above scheme, it is rotatablely connected between the driving gear and its fixed link being arranged, the driven tooth
It takes turns and is fixedly connected between the fixed link being arranged with it.
On the basis of above scheme, the driven gear and compact heap are integrally formed, and the driving gear uses hard rubber
Glue material matter is made.
On the basis of above scheme, the short right-angle side of described two compact heaps is respectively equipped with card slot and clamp, described two
The short right-angle side of compact heap can realize the clamping above contact knife by card slot and clamp.
The utility model has the beneficial effect that a kind of fuse touching provided by the utility model compared with prior art
Knife compressing structure increases compressing structure on the basis of original connecting terminal clamping structure simple with contact knife, and compressing structure passes through
Driving gear and driven gear transmission, can rotate with the integrally formed compact heap of driven gear around fixed link, real above contact knife
It is now clamped, to play compression contact knife, the case where preventing connection loosening, fall off；Meanwhile driving gear is located at the position of contact knife slot,
A part of gear teeth protrude into contact knife slot, play certain fixed function；Further, it is arranged in traditional wired termination contact on piece
Using the clamping elastic slice made of copper foil with certain elasticity, increase connecing between contact knife and connecting terminal by extruding force
Touch, the connection of further firm contact knife, structure is simple, safe and reliable, is with a wide range of applications.
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 fuse contact knife compressing structure positive structure schematic.
Fig. 2 be the utility model proposes a kind of fuse contact knife compressing structure side structure schematic diagram.
Fig. 3 be the utility model proposes compressing structure structural schematic diagram.
Fig. 4 be the utility model proposes compact heap clamping structural schematic diagram.
In figure: 1- fuse, 2- installation pedestal, 3- contact knife, 4- connecting terminal, 5- contact knife slot, 6- compact heap, 7- are solid
Determine ring, 8- fixed screw, 9- contact chip, 10- clamping elastic slice, 11- driving gear, 12- driven gear, 13- card slot, 14- clamp.
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.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width
Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable
The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
Referring to Fig.1-4, a kind of fuse contact knife compressing structure, including fuse 1, connecting terminal 4, installation pedestal 2
And compressing structure, fuse 1 are square block, and a contact knife 3 is respectively provided in the middle part of left and right ends, installation pedestal 2 is ship type, on
Portion both ends are symmetrically arranged with a mounting platform, fix a connecting terminal 4 by fixed screw 8 on each mounting platform, often
A 4 vertical portion of connecting terminal is equipped with a pair of symmetrical contact chip 9, and a pair of symmetrical opposite side of contact chip 9 is equipped with card
Connect elastic slice 10, contact knife 3 is stuck in a pair of of contact chip 9, with clamping elastic slice 10 offset, compressing structure include compact heap 6, fixed ring 7,
Driving gear 11 and driven gear 12, compact heap 6 are the metal square bar at a right angle, and the long right-angle side bottom end of compact heap 6 is equipped with
Driven gear 12, driven gear 12 is socketed a fixed link, and is rotatablely installed by fixed ring 7 in the peace at 4 rear of connecting terminal
It fills on pedestal 2, driving gear 11 is socketed a fixed link and is fixed on the side wall of installation pedestal 2, driving gear 11 and driven tooth
12 engagement of wheel, the short right-angle side of compact heap 6 are located at the top of contact knife 3.
The centre of each contact knife 3 is equipped with the contact knife slot 5 of the strip hollow out extended along its length, and compact heap 6 is fixed
The quantity of ring 7, driving gear 11 and driven gear 12 is two groups, is symmetricly set in the installation pedestal 2 at 4 rear of connecting terminal,
It is rotatablely connected between driving gear 11 and its fixed link being arranged, it is fixed between driven gear 12 and its fixed link being arranged to connect
It connects, driven gear 12 and compact heap 6 are integrally formed, and driving gear 11 is made of vulcanie material, have certain deformation
Ability, the short right-angle side of two compact heaps 6 are respectively equipped with card slot 13 and clamp 14, and the short right-angle side of two compact heaps 6 can pass through
Card slot 13 and clamp 14 realize the clamping above contact knife 3.
Contact knife 3 during installation, first by the alignment position of fuse 1, is slowly pressed into wiring by the utility model
In the symmetrical contact chip 9 of a pair of 4 vertical portion of terminal, the side wall of contact knife 3 is set to offset with clamping elastic slice 10, by drops
In the process, the lower edge of contact knife 3 can be expressed to driving gear 11, and the gear teeth of driving gear 11 are made of vulcanie material,
Ability with Light deformation, when deflection reaches material limit, deformation power, which is converted into power, rotates driving gear 11, this
When, the driven gear 12 engaged with driving gear 11 rotates under the drive of driving gear 11, makes and its integrally formed compact heap 6
It rotates, finally, is clamped right above two pieces of compact heaps 6 and contact knife 3, at this point, 3 lower edge of contact knife and 2 phase of installation pedestal around fixed link
It supports, pressing action stops, and the part gear teeth of driving gear 11 are stuck in the contact knife slot 5 of the centre of contact knife 3, and entire compressing structure is complete
It is pressed on 3 top of contact knife entirely.A kind of fuse contact knife compressing structure provided by the utility model, in original connecting terminal 4 and touching
Increasing compressing structure on the basis of the simple clamping structure of knife 3, compressing structure is driven by driving gear 11 and driven gear 12, with
The integrally formed compact heap 6 of driven gear 12 can be rotated around fixed link, and clamping is realized above contact knife 3, to play compression contact knife,
The effect that the case where preventing connection from loosening, falling off occurs；Meanwhile driving gear 11 is located at the position of contact knife slot 5, a part of gear teeth
It protrudes into contact knife slot 5, plays certain fixed function；Further, it is arranged on the contact chip 9 of traditional wired terminal 4 and utilizes
There is the clamping elastic slice 10 of certain elasticity made of copper foil, increase connecing between contact knife 3 and connecting terminal 4 by extruding force
Touch, the connection of further firm contact knife 3, structure is simple, safe and reliable, is with a wide range of applications.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art.
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 (6)
1. a kind of fuse contact knife compressing structure, which is characterized in that including fuse (1), connecting terminal (4), installation base
Seat (2) and compressing structure, the fuse (1) are square block, are respectively provided with a contact knife (3) in the middle part of left and right ends, described
Installation pedestal (2) is ship type, and both upper ends thereof is symmetrically arranged with a mounting platform, passes through fixed spiral shell on each mounting platform
Silk (8) fixes a connecting terminal (4), and each connecting terminal (4) vertical portion is equipped with a pair of symmetrical contact chip (9),
The opposite side of the pair of symmetrical contact chip (9) is equipped with clamping elastic slice (10), and the contact knife (3) is stuck in a pair of of contact chip
(9) in, with clamping elastic slice (10) offset, the compressing structure include compact heap (6), fixed ring (7), driving gear (11) and from
Moving gear (12), the compact heap (6) are the metal square bar at a right angle, and the long right-angle side bottom end of the compact heap (6) is equipped with
Driven gear (12), the driven gear (12) is socketed a fixed link, and is rotatablely installed by fixed ring (7) in connecting terminal
(4) in the installation pedestal (2) at rear, the driving gear (11) is socketed the side wall that a fixed link is fixed on installation pedestal (2)
On, the driving gear (11) is engaged with driven gear (12), and the short right-angle side of the compact heap (6) is located at the upper of contact knife (3)
Side.
2. a kind of fuse contact knife compressing structure according to claim 1, it is characterised in that: each contact knife (3)
Centre is equipped with the contact knife slot (5) of the strip hollow out extended along its length.
3. a kind of fuse contact knife compressing structure according to claim 1, it is characterised in that: the compact heap (6) is fixed
The quantity of ring (7), driving gear (11) and driven gear (12) is two groups, is symmetricly set on the installation at connecting terminal (4) rear
On pedestal (2).
4. a kind of fuse contact knife compressing structure according to claim 1, it is characterised in that: the driving gear (11) with
It is rotatablely connected between its fixed link being arranged, is fixedly connected between the fixed link that the driven gear (12) is arranged with it.
5. a kind of fuse contact knife compressing structure according to claim 4, it is characterised in that: the driven gear (12) with
Compact heap (6) is integrally formed, and the driving gear (11) is made of vulcanie material.
6. a kind of fuse contact knife compressing structure according to claim 1, it is characterised in that: described two compact heaps (6)
Short right-angle side be respectively equipped with card slot (13) and clamp (14), the short right-angle side of described two compact heaps (6) can pass through card slot
(13) and clamp (14) realizes the clamping above contact knife (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821544579.8U CN208674042U (en) | 2018-09-20 | 2018-09-20 | A kind of fuse contact knife compressing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821544579.8U CN208674042U (en) | 2018-09-20 | 2018-09-20 | A kind of fuse contact knife compressing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208674042U true CN208674042U (en) | 2019-03-29 |
Family
ID=65842707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821544579.8U Expired - Fee Related CN208674042U (en) | 2018-09-20 | 2018-09-20 | A kind of fuse contact knife compressing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208674042U (en) |
-
2018
- 2018-09-20 CN CN201821544579.8U patent/CN208674042U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190329 Termination date: 20200920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |