CN107731636A - Contact base and bar shaped fuse base - Google Patents
Contact base and bar shaped fuse base Download PDFInfo
- Publication number
- CN107731636A CN107731636A CN201711079202.XA CN201711079202A CN107731636A CN 107731636 A CN107731636 A CN 107731636A CN 201711079202 A CN201711079202 A CN 201711079202A CN 107731636 A CN107731636 A CN 107731636A
- Authority
- CN
- China
- Prior art keywords
- contact
- conductive plate
- base
- contact base
- conductive
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/20—Bases for supporting the fuse; Separate parts thereof
- H01H85/203—Bases for supporting the fuse; Separate parts thereof for fuses with blade type terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H85/00—Protective 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
- H01H85/02—Details
- H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
- H01H85/05—Component parts thereof
- H01H85/143—Electrical contacts; Fastening fusible members to such contacts
- H01H85/153—Knife-blade-end contacts
Abstract
The invention discloses a kind of contact base and bar shaped fuse base, the contact base includes the first conductive plate and the second conductive plate, mounting hole is formed on second conductive plate, the quantity of first conductive plate is two, there is crack between two the first conductive plates, the bottom of crack is extended at the second conductive plate, the grip block that the corresponding position in two first conductive plates side close to each other is molded oriented same direction bending and formed, the relative face of two grip blocks is contact surface, formed on first conductive plate below grip block reduce crack corresponding site width keep out boss, the top of two grip blocks has inclined guide plate, two guide plates are set in herringbone, first conductive plate is equipped with the reed that clamping force is provided for two grip blocks.When in use, contact knife two sides are in close contact above-mentioned contact base with the grip block of both sides respectively, between the two with larger contact surface, so as to reduce contact resistance, are reduced temperature rise, are reduced electric energy loss.
Description
Technical field
The present invention relates to a kind of contact base and bar shaped fuse base, belongs to bar shaped fuse base field of structural design.
Background technology
The structure of the contact base used in existing bar shaped fuse base as shown in figure 1, this contact base when installing and using,
Effective contact surface of contact base and fuse-link end contact knife is smaller, and contact resistance is big, causes temperature rise higher.
The content of the invention
On the other hand, the technical problems to be solved by the invention are existing contact bases when using with contact knife contact surface on fuse-link compared with
It is small, and cause contact resistance big, the problem of temperature rise, so as to provide a kind of contact base rational in infrastructure and use the contact base
Bar shaped fuse base.
Realizing the technical scheme of the object of the invention is：
A kind of contact base, including the first conductive plate and with first conductive plate the second conductive plate connected vertically, it is described
Mounting hole is formed on second conductive plate, the quantity of first conductive plate is two, has folder between two the first conductive plates
Seam, the bottom of the crack are extended at second conductive plate, the corresponding position in two first conductive plates side close to each other
The grip block for being set to the oriented same direction bending of type and being formed, the relative face of two grip blocks are suitable for the contact knife with fuse-link end
The contact surface of carry out face contact, being formed below the grip block on first conductive plate makes the crack corresponding site
What width reduced keeps out boss, and the top of two grip blocks has inclined guide plate, and two guide plates are set in herringbone, described
First conductive plate is equipped with the reed that clamping force is provided for two grip blocks.
In above-mentioned technical proposal, on two first described conductive plates punch forming have the reinforcement of strip.
In above-mentioned technical proposal, the reed is open annular structure, is molded on two first conductive plates for installing institute
The location structure of reed is stated, the both ends of the reed are connected with two first connecting plates respectively.
In above-mentioned technical proposal, the location structure is the locating ring being molded on first conductive plate, the reed
Corresponding site be constrained in the locating ring.
In above-mentioned technical proposal, the top of first conductive plate has the electro-detection portion formed to side bending.
A kind of bar shaped fuse base, including bar shapeds base and some groups of contact bases being arranged in the bar shapeds base, often
Group contact base includes the contact base of two electrical connections corresponding with each fuse-link both ends contact site respectively, the bar shapeds base also on set
There is the protective cover for covering the contact base, heat emission hole is formed on the protective cover；The contact base is using described above
Contact base.
In above-mentioned technical proposal, position corresponding with the contact base is provided with arc extinguishing structure on the protective cover, described to go out
Arc structure includes the installation cavity taken shape on the protective cover and loaded on multiple arc extinguishing grid pieces in the installation cavity, the installation
Form and multiple offered along the spaced slot of installation cavity short transverse, the sidepiece of the installation cavity in the side wall of chamber
Opening, the arc extinguishing grid pieces are inserted in the slot by the opening, and the opening is equipped with postive stop baffle.
In above-mentioned technical proposal, the postive stop baffle is arranged on the opening with snap fit.
In above-mentioned technical proposal, the protective cover is arranged in the bar shapeds base with snap fit.
The present invention has positive effect：When contact base in the present invention is installed and used, described in the contact knife insertion of fuse-link
In crack and contact knife lower end is kept out on boss described in being against, and contact knife two sides are tight with the contact surface on sandwich plate respectively
Contiguity is touched, and between the two with larger contact surface, so as to reduce contact resistance, is reduced temperature rise, is reduced electric energy loss, pass through
The setting of reed can ensure that two clamping parts clamp contact knife so as to ensure reliability that contact base electrically connects with contact knife.
Brief description of the drawings
Fig. 1 is the structural representation of existing contact base；
Fig. 2 is the positive direction view of contact base in the present invention；
Fig. 3 is the right view of contact base shown in Fig. 2；
Fig. 4 is the stereogram of contact base (removing reed) in the present invention；
Fig. 5 is the structural representation of bar shaped fuse base in the present invention；
Fig. 6 is the structural representation of protective cover in Fig. 5.
Reference is shown in figure：The conductive plates of 1- first；11- keeps out boss；12- reinforcements；13- locating rings；14- electricity
Test section；The conductive plates of 2- second；3- cracks；4- grip blocks；41- guide plates；42- contact surfaces；5- reeds；6- bar shapeds bases；7-
Protective cover；71- heat emission holes；72- installation cavitys；73- slots.
Embodiment
The concrete structure in the present invention is done with explanation with reference to Figure of description：
A kind of contact base, as shown in Figures 2 to 4, it includes the first conductive plate 1 and vertical with first conductive plate 1 connected
The second conductive plate 2 connect, mounting hole is formed on second conductive plate 2, the contact base is fixed on by bar shaped by mounting hole
On base 6, the quantity of first conductive plate 1 is two, has crack 3 between two the first conductive plates 1, the crack 3
Bottom is extended at second conductive plate 2, and the corresponding position shaping in two first conductive plates 1 side close to each other is oriented same
One direction bending and the grip block 4 formed, the relative face of two grip blocks 4 are to be contacted suitable for carrying out face with the contact knife of fuse-link end
Contact surface 42, being formed in the lower section of the grip block 4 on first conductive plate 1 makes the corresponding site width of crack 3
What is reduced keeps out boss 11, and the top of two grip blocks 4 has inclined guide plate 41, and two guide plates 41 are set in herringbone,
First conductive plate 1 is equipped with the reed 5 that clamping force is provided for two grip blocks 4.When contact base in the present embodiment is installed and used,
The contact knife of fuse-link is inserted in the crack and contact knife lower end be against it is described keep out on boss 11, contact knife two sides respectively with both sides
The contact surface 42 on grip block 4 is in close contact, between the two with larger contact surface, so as to reduce contact resistance,
Reduce temperature rise, reduce electric energy loss, by the setting of reed 5 can ensure two clamping parts clamp contact knife so as to ensure contact base with
The reliability of the contact knife electrical connection of fuse-link.
In the present embodiment, on two first described conductive plates 1 punch forming have the reinforcement 12 of strip, by set plus
Strengthening tendons 12 is with the bending resistance of the first conductive plate 1 of enhancing；, can the downward punching press on second conductive plate 2 in practice operation
Go out positioning boss, positioning boss is suitable to coordinate with the locating slot of relevant position in bar shapeds base, installs and used in contact base
Play a part of positioning in journey.
Further, the reed 5 is open annular structure, is molded on two first conductive plates 1 for installing the reed 5
Location structure, the both ends of the reed 5 are connected with two first connecting plates 1 respectively, further, the location structure be into
Locating ring 13 of the type on first conductive plate 1, the corresponding site of the reed 5 are constrained in the locating ring 13, adopted
Effective restriction effect can be played to reed 5, with said structure so as to ensure the reliability of the installation of reed 5.
Further, the top of first conductive plate 1 has the electro-detection portion 14 formed to side bending, the contact base
During installing and using, test pencil can be ridden over to electro-detection portion 14 when circuit failure staff is in upkeep operation
Whether detection contact of coming up seat is powered so as to searching trouble point.
Embodiment 2
A kind of bar shaped fuse base, as shown in Figure 5 and Figure 6, it includes bar shapeds base 6 and is arranged on the bar shapeds base 6
On some groups of contact bases, every group of contact base include the contact of two electrical connections corresponding with each fuse-link both ends contact site respectively
Seat, the bar shapeds base 6 are also provided with the protective cover 7 for being used for covering the contact base, heat emission hole are formed on the protective cover 7
71, the protective cover is made of dielectric resin material, scattered and disappeared by setting heat emission hole to be advantageous to heat, and protective cover 7 is set
Putting can avoid conductor from surprisingly being contacted with contact base and cause short-circuit state；The contact base is using touching described in embodiment 1
Headstock.
Further, position corresponding with the contact base is provided with arc extinguishing structure on the protective cover 7, by setting arc extinguishing knot
Structure can extinguish electric arc caused by contact base in time, and the arc extinguishing structure includes the installation taken shape on the protective cover 7
Chamber 72 and loaded on multiple arc extinguishing grid pieces in the installation cavity 72, is formed multiple along the peace in the side wall of the installation cavity 72
The spaced slot 73 of 72 short transverses of behaveing affectedly, the sidepiece of the installation cavity 72 offer opening, and the arc extinguishing grid pieces are by institute
State opening to insert in the slot 73, the opening, to stop arc extinguishing grid pieces, is prevented equipped with postive stop baffle (not shown)
Only arc extinguishing grid pieces slip from slot, ensure the installation effect of arc extinguishing grid pieces.
It is corresponding with the electro-detection portion on protective cover 7 if contact base is provided with the electro-detection portion described in embodiment 1
Position should set perforation, be stretched into for the detection end of test pencil.
In the present embodiment, the postive stop baffle is arranged on the opening with snap fit, and the protective cover 7 is with clamping side
Formula is arranged in the bar shapeds base 6.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not pair
The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description
To make other changes in different forms.There is no necessity and possibility to exhaust all the enbodiments.And these
The obvious changes or variations that the connotation for belonging to of the invention is extended out still falls within protection scope of the present invention.
Claims (9)
1. a kind of contact base, it is characterised in that including the first conductive plate (1) and connected vertically with first conductive plate (1)
Second conductive plate (2), mounting hole being formed on second conductive plate (2), the quantity of first conductive plate (1) is two,
There is crack (3) between two the first conductive plates (1), the bottom of the crack (3) extends to the second conductive plate (2) place,
The grip block that the corresponding position in two first conductive plates (1) side close to each other is molded oriented same direction bending and formed
(4), the relative face of two grip blocks (4) is that side has the contact surface (42) for being suitable to contact with the contact knife face of fuse-link end, institute
State to form below the grip block (4) on the first conductive plate (1) and make supporting for the crack (3) corresponding site width reduction
Boss (11) is kept off, the top of two grip blocks (4) has inclined guide plate (41), and two guide plates (41) are set in herringbone,
The reed (5) that clamping force is provided for two grip blocks (4) is housed on first conductive plate (1).
2. contact base according to claim 1, it is characterised in that there is punch forming on two first described conductive plates (1)
The reinforcement (12) of strip.
3. contact base according to claim 2, it is characterised in that the reed (5) is open annular structure, two first
It is molded on conductive plate (1) for installing the location structures of the reed (5), the both ends of the reed (5) are respectively with two first
Connecting plate (1) connects.
4. contact base according to claim 3, it is characterised in that the location structure is to be molded over first conductive plate
(1) locating ring (13) on, the corresponding site of the reed (5) are constrained in the locating ring (13).
5. contact base according to any one of claim 1 to 4, it is characterised in that the top of first conductive plate (1)
With the electro-detection portion (14) formed to side bending.
6. a kind of bar shaped fuse base, including bar shapeds base (6) and some groups of contacts being arranged in the bar shapeds base (6)
Seat, every group of contact base include the contact base of two electrical connections corresponding with each fuse-link both ends contact site respectively, the bar shapeds base
(6) protective cover (7) for being used for covering the contact base is also provided with, heat emission hole (71) is formed on the protective cover (7)；It is special
Sign is that the contact base is using the contact base any one of claim 1 to 5.
7. bar shaped fuse base according to claim 6, it is characterised in that on the protective cover (7) with the contact base
Corresponding position is provided with arc extinguishing structure, and the arc extinguishing structure includes the installation cavity (72) taken shape on the protective cover (7) and dress
Multiple arc extinguishing grid pieces in the installation cavity (72), form in the side wall of the installation cavity (72) multiple along the installation cavity
(72) the spaced slot of short transverse (73), the sidepiece of the installation cavity (72) offer opening, the arc extinguishing grid pieces by
The opening is inserted in the slot (73), and the opening is equipped with postive stop baffle.
8. the bar shaped fuse base according to claim 6 or 7, it is characterised in that the postive stop baffle is pacified with snap fit
Mounted in the opening.
9. bar shaped fuse base according to claim 6, it is characterised in that the protective cover (7) is installed with snap fit
In the bar shapeds base (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079202.XA CN107731636A (en) | 2017-11-06 | 2017-11-06 | Contact base and bar shaped fuse base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711079202.XA CN107731636A (en) | 2017-11-06 | 2017-11-06 | Contact base and bar shaped fuse base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107731636A true CN107731636A (en) | 2018-02-23 |
Family
ID=61222570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711079202.XA Pending CN107731636A (en) | 2017-11-06 | 2017-11-06 | Contact base and bar shaped fuse base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107731636A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288274A (en) * | 1999-09-15 | 2001-03-21 | 施耐德电器工业公司 | Aluminium connecting clip used for electric appliance, particularly for fuse |
| DE102004058640B3 (en) * | 2004-12-04 | 2006-05-04 | Elektro-Bauelemente Gmbh | Low voltage, high power contacts used in contact strips, load switching strips and contacts of safety circuit breakers, include circular spring-loading and arc-breaking projections |
| CN201562648U (en) * | 2009-11-25 | 2010-08-25 | 郑元豹 | Combined switch of circuit breaker |
| CN203398070U (en) * | 2013-08-15 | 2014-01-15 | 浙江新力熔断器有限公司 | Square tube cutter-type contact fuse pedestal |
| DE202013011852U1 (en) * | 2013-08-28 | 2014-08-20 | Siemens Aktiengesellschaft | Fuse holder for a fuse element of a switch |
| CN204303739U (en) * | 2015-01-19 | 2015-04-29 | 浙江新力熔断器有限公司 | A kind of coordinated type arc-extinguish chamber double socket fuse support |
| CN204391031U (en) * | 2013-08-28 | 2015-06-10 | 西门子公司 | For the Insurance Block of the safety piece of switching device |
| CN207743180U (en) * | 2017-11-06 | 2018-08-17 | 温州三实电器有限公司 | Contact base and bar shaped fuse base |
-
2017
- 2017-11-06 CN CN201711079202.XA patent/CN107731636A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1288274A (en) * | 1999-09-15 | 2001-03-21 | 施耐德电器工业公司 | Aluminium connecting clip used for electric appliance, particularly for fuse |
| DE102004058640B3 (en) * | 2004-12-04 | 2006-05-04 | Elektro-Bauelemente Gmbh | Low voltage, high power contacts used in contact strips, load switching strips and contacts of safety circuit breakers, include circular spring-loading and arc-breaking projections |
| CN201562648U (en) * | 2009-11-25 | 2010-08-25 | 郑元豹 | Combined switch of circuit breaker |
| CN203398070U (en) * | 2013-08-15 | 2014-01-15 | 浙江新力熔断器有限公司 | Square tube cutter-type contact fuse pedestal |
| DE202013011852U1 (en) * | 2013-08-28 | 2014-08-20 | Siemens Aktiengesellschaft | Fuse holder for a fuse element of a switch |
| CN204391031U (en) * | 2013-08-28 | 2015-06-10 | 西门子公司 | For the Insurance Block of the safety piece of switching device |
| CN204303739U (en) * | 2015-01-19 | 2015-04-29 | 浙江新力熔断器有限公司 | A kind of coordinated type arc-extinguish chamber double socket fuse support |
| CN207743180U (en) * | 2017-11-06 | 2018-08-17 | 温州三实电器有限公司 | Contact base and bar shaped fuse base |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |
|
| RJ01 | Rejection of invention patent application after publication |