CN208507491U - Contact base with arc-extinguish chamber - Google Patents
Contact base with arc-extinguish chamber Download PDFInfo
- Publication number
- CN208507491U CN208507491U CN201721619789.4U CN201721619789U CN208507491U CN 208507491 U CN208507491 U CN 208507491U CN 201721619789 U CN201721619789 U CN 201721619789U CN 208507491 U CN208507491 U CN 208507491U
- Authority
- CN
- China
- Prior art keywords
- arc
- extinguish chamber
- cavity
- conductive plate
- clamping
- 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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- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The utility model discloses a kind of contact bases with arc-extinguish chamber, suitable for on-load switch, the contact base includes conductive plate, one end of the conductive plate has the contact part connecting with contact knife, arc-extinguish chamber is equipped with by mounting base on the conductive plate, the mounting base is an integral molding structure, and it is connect by the first clamping installation structure with the conductive plate, there is the cavity for accommodating the arc-extinguish chamber in the mounting base, the cavity side, which has, is inserted into the side mouth in the cavity for the arc-extinguish chamber, the side mouth is opened up towards the contact part, the arc-extinguish chamber is mounted in the cavity by the second clamping installation structure, the arc-extinguish chamber includes shell and is fixed on the intracorporal multiple arc extinguishing grid pieces of the shell.Structurally reasonable in the utility model, arc-extinguish chamber can quickly extinguish electric arc, and easy for installation, have good using effect.
Description
Technical field
The utility model relates to a kind of contact bases, and in particular to a kind of contact base with arc-extinguish chamber is opened suitable for load
It closes.
Background technique
A kind of low-voltage knife switch with arc-extinguish chamber is disclosed in patent document CN201936796U, including on Switch main body
Arc-extinguish chamber support pressing plate and the arc-extinguish chamber connecting with arc-extinguish chamber support pressing plate, lead between the arc-extinguish chamber support Yaan and arc-extinguish chamber
It crosses insulated connecting piece to be fixedly connected, the arc-extinguish chamber supports the upper limb of pressing plate, arc-extinguish chamber docking site to offer position pair respectively
The through-hole answered, the insulated binding band as insulated connecting piece is installed in through-hole, and the insulated binding band is electrician's nylon cable tie.On
The problem of stating patent document is unreasonable structure, causes the installation of arc-extinguish chamber to operate relatively complicated, is unfavorable for work effect
The raising of rate.
Utility model content
In this regard, the utility model be intended to provide it is a kind of with arc-extinguish chamber and arc-extinguish chamber contact base easy for installation.
Realizing the technical solution of the utility model aim is:
A kind of contact base with arc-extinguish chamber, including conductive plate, one end of the conductive plate have the touching connecting with contact knife
Head is equipped with arc-extinguish chamber by mounting base on the conductive plate, and the mounting base is an integral molding structure, and passes through the first card
It connects mounting structure to connect with the conductive plate, there is the cavity for accommodating the arc-extinguish chamber, the cavity side in the mounting base
With the side mouth in the cavity is inserted into for the arc-extinguish chamber, the side mouth is opened up towards the contact part, described
Arc-extinguish chamber is mounted in the cavity by the second clamping installation structure, and the arc-extinguish chamber includes shell and is fixed on the shell
Interior multiple arc extinguishing grid pieces.
In above-mentioned technical proposal, first clamping installation structure includes the clamping boss for taking shape in the mounting base bottom
And positioning convex platform, and the blocked hole and locating slot on the conductive plate are taken shape in, the clamping boss and the blocked hole card
Cooperation is connect, the positioning convex platform and the locating slot cooperate.
In above-mentioned technical proposal, the quantity of the positioning convex platform is that positioning convex platform described in two, two is respectively arranged on institute
The two sides of the bottom of mounting base are stated, corresponding, the quantity of the locating slot is two, is respectively arranged on the two sides of the conductive plate
Edge.
In above-mentioned technical proposal, the clamping boss is cylinder, forms annular snap on the peripheral wall of the clamping boss
Platform is provided in the axial direction on the clamping boss of the cylinder clamping boss being divided into two-part fluting.
In above-mentioned technical proposal, second clamping installation structure includes the elastic card taken shape on the inner wall of the cavity
Platform and take shape in the card slot being suitable for the elastic chuck cooperation on the housing exterior walls, the fixing end of the elasticity chuck with
The cavity inner wall is fixedly connected, the free end of the elasticity chuck be directed away from the side mouth direction extend and gradually to
The cavity center direction inclination.
The utility model has the effect of positive: by being arranged in conductive plate close to the position of contact part in the utility model
Arc-extinguish chamber, to can quickly be extinguished by arc-extinguish chamber in contact part with the electric arc generated when contact knife disjunction, to improve disjunction
Mounting base is mounted on the conductive plate by ability by the first clamping installation structure during installation, and is blocked by described second
It connects mounting structure arc-extinguish chamber is fixed in the cavity of mounting base, i.e., the installation of arc-extinguish chamber, nothing can be completed by clamping twice
It need to be fixedly mounted using screw, it is quick and easy for installation, be conducive to improve assembly efficiency, there is good using effect.
Detailed description of the invention
Fig. 1 is structural schematic diagram when contact base and conductive plate cooperate in the utility model；
Fig. 2 is the structural schematic diagram from another angle when Fig. 1；
Fig. 3 is the structural schematic diagram of mounting base in the utility model；
Fig. 4 is the structural schematic diagram of conductive plate in the utility model；
Fig. 5 is the structural schematic diagram of arc-extinguish chamber in the utility model；
Fig. 6 is the top view of arc-extinguish chamber shown in Fig. 5.
Appended drawing reference as shown in the figure are as follows: 1- conductive plate；11- blocked hole；12- locating slot；2- contact part；3- mounting base；31-
Cavity；32- side mouth；33- is clamped boss；331- fluting；34- positioning convex platform；35- annular chuck；36- elasticity chuck；4-
Arc-extinguish chamber；41- shell；42- arc extinguishing grid pieces；43- card slot.
Specific embodiment
The specific structure in the utility model is done to illustrate with reference to the accompanying drawings of the specification:
A kind of contact base with arc-extinguish chamber, as shown in Figures 1 to 6 comprising conductive plate 1, one end of the conductive plate 1
With the contact part 2 connecting with contact knife, arc-extinguish chamber 4 is equipped with by mounting base 3 on the conductive plate 1, the mounting base 3 is
Plastic material, the mounting base 3 are an integral molding structure, and are connect by the first clamping installation structure with the conductive plate 1, institute
Stating has the cavity 31 for accommodating the arc-extinguish chamber 4 in mounting base 3,31 side of cavity, which has, is inserted into institute for the arc-extinguish chamber 4
The side mouth 32 in cavity 31 is stated, the side mouth is opened up towards the contact part 2, and the arc-extinguish chamber 4 passes through the second card
It connects mounting structure to be mounted in the cavity 31, the arc-extinguish chamber 4 includes shell 41 and is fixed on multiple in the shell 41
Arc extinguishing grid pieces 42.By the way that arc-extinguish chamber 4 is arranged close to the position of contact part 2 in conductive plate 1 in the present embodiment, thus in contact part 2
Can quickly it be extinguished by arc-extinguish chamber with the electric arc generated when contact knife disjunction, so that breaking capacity is improved, it during installation will installation
Seat 3 is mounted on the conductive plate 1 by the first clamping installation structure, and passes through second clamping installation structure for arc-extinguish chamber
4 are fixed in the cavity of mounting base 3, i.e., the installation of arc-extinguish chamber 4 can be completed by clamping twice, fix without using screw
Installation, it is quick and easy for installation, be conducive to improve assembly efficiency, there is good using effect.
In the present embodiment, first clamping installation structure includes the clamping boss 33 for taking shape in 3 bottom of mounting base
With positioning convex platform 34, and take shape in the blocked hole 11 and locating slot 12 on the conductive plate 1, the clamping boss 33 with it is described
Blocked hole 11 is engaged by clamping, and the positioning convex platform 34 cooperates with the locating slot 12, using the above structure during installation by fixed
Position boss 34 positions the mounting base 3 with the cooperation of locating slot 12, and is matched by being clamped boss 33 with the blocked hole 11
Mounting base 3 is fixed on conductive plate 1 by conjunction, and easy for installation and positioning is reliable.
Further, the quantity of the positioning convex platform 34 in the present embodiment is that positioning convex platform 34 described in two, two divides
Not She Yu the mounting base 3 two sides of the bottom, corresponding, the quantity of the locating slot 12 is two, is respectively arranged on the conduction
The both sides of the edge of plate 1.
Further, the clamping boss 33 is cylinder, forms annular chuck on the peripheral wall of the clamping boss 33
35, it is provided in the axial direction on the clamping boss 33 and the clamping boss 33 is divided into two-part fluting 331, pass through card slot
331 presence makes the clamping boss 33 have radial expansion elasticity, and then when being clamped boss 33 and blocked hole 11 cooperates
It is more easier, grafting guarantees the reliability of clamping installation by annular chuck 35 and 11 cooperation of clamping sky afterwards in place.
In the present embodiment, second clamping installation structure includes the elastic card taken shape on the inner wall of the cavity 31
Platform 36 and the card slot 43 for being suitable for cooperating with the elastic chuck 36 on 41 outer wall of shell is taken shape in, the elasticity chuck 36
Fixing end be fixedly connected with 31 inner wall of cavity, it is described elasticity chuck 36 free end be directed away from the side mouth 32
Direction extends and gradually tilts to 31 center position of cavity, when arc-extinguish chamber is packed into the cavity 31 of mounting base, by arc-extinguish chamber
It is inserted from the side mouth 32 into cavity 31, shell compresses elastic chuck 36 outward during grafting, until going out
When arc cover is installed in place, the elasticity chuck 36 cooperates with the card slot 43 under the action of own resilient thus by arc-extinguish chamber
It is fixed.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still fall within it is practical
Novel protection scope.
Claims (5)
1. a kind of contact base with arc-extinguish chamber, including conductive plate (1), one end of the conductive plate (1) has to be connect with contact knife
Contact part (2), which is characterized in that arc-extinguish chamber (4), the mounting base are installed by mounting base (3) on the conductive plate (1)
(3) it is an integral molding structure, and is connect by the first clamping installation structure with the conductive plate (1), had on the mounting base (3)
There is the cavity (31) for accommodating the arc-extinguish chamber (4), cavity (31) side, which has, is inserted into the cavity for the arc-extinguish chamber (4)
(31) side mouth (32) in, the side mouth (32) open up towards the contact part (2), and the arc-extinguish chamber (4) passes through
Second clamping installation structure is mounted in the cavity (31), and the arc-extinguish chamber (4) includes shell (41) and is fixed on the shell
Multiple arc extinguishing grid pieces (42) in body (41).
2. the contact base according to claim 1 with arc-extinguish chamber, which is characterized in that the first clamping installation structure packet
The clamping boss (33) and positioning convex platform (34) for taking shape in the mounting base (3) bottom are included, and takes shape in the conductive plate (1)
On blocked hole (11) and locating slot (12), the clamping boss (33) and the blocked hole (11) are engaged by clamping, the positioning
Boss (34) and the locating slot (12) cooperate.
3. the contact base according to claim 2 with arc-extinguish chamber, which is characterized in that the quantity of the positioning convex platform (34)
It is the two sides of the bottom that positioning convex platform (34) is respectively arranged on the mounting base (3) described in two, two, corresponding, the positioning
The quantity of slot (12) is two, is respectively arranged on the both sides of the edge of the conductive plate (1).
4. the contact base according to claim 3 with arc-extinguish chamber, which is characterized in that the clamping boss (33) is cylinder
Shape, it is described clamping boss (33) peripheral wall on form annular chuck (35), along axis on the clamping boss (33) of the cylinder
The clamping boss (33) is divided into two-part fluting (331) to offering.
5. the contact base according to any one of claim 1 to 4 with arc-extinguish chamber, which is characterized in that second card
Mounting structure is connect to include the elastic chuck (36) taken shape on the inner wall of the cavity (31) and take shape in the shell (41) outside
The card slot (43) for being suitable for cooperating with the elastic chuck (36) on wall, the fixing end of the elasticity chuck (36) and the cavity
(31) inner wall is fixedly connected, it is described elasticity chuck (36) free end be directed away from the side mouth (32) direction extend and by
Gradually tilted to the cavity (31) center position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721619789.4U CN208507491U (en) | 2017-11-28 | 2017-11-28 | Contact base with arc-extinguish chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721619789.4U CN208507491U (en) | 2017-11-28 | 2017-11-28 | Contact base with arc-extinguish chamber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208507491U true CN208507491U (en) | 2019-02-15 |
Family
ID=65301862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721619789.4U Expired - Fee Related CN208507491U (en) | 2017-11-28 | 2017-11-28 | Contact base with arc-extinguish chamber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208507491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270295A (en) * | 2021-04-29 | 2021-08-17 | 浙江兆正机电有限公司 | Mounting device for arc extinguishing grid piece of contactor |
-
2017
- 2017-11-28 CN CN201721619789.4U patent/CN208507491U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270295A (en) * | 2021-04-29 | 2021-08-17 | 浙江兆正机电有限公司 | Mounting device for arc extinguishing grid piece of contactor |
| CN113270295B (en) * | 2021-04-29 | 2022-06-28 | 浙江兆正机电有限公司 | Mounting device for arc extinguishing grid piece of contactor |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20191128 |