CN202473769U - AC contactor - Google Patents
AC contactor Download PDFInfo
- Publication number
- CN202473769U CN202473769U CN2012200151525U CN201220015152U CN202473769U CN 202473769 U CN202473769 U CN 202473769U CN 2012200151525 U CN2012200151525 U CN 2012200151525U CN 201220015152 U CN201220015152 U CN 201220015152U CN 202473769 U CN202473769 U CN 202473769U
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- CN
- China
- Prior art keywords
- coil
- contactor
- hole
- control device
- little hook
- 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 - Lifetime
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Abstract
The utility model discloses an AC contactor which is simple and reliable in assembling, small in labor intensity and low in production cost. The AC contactor comprises a bottom plate, a body housing, an arc extinguish chamber and a coil assembly, wherein the coil assembly is arranged inside the body housing, the arc extinguish chamber is arranged above the body housing, the body housing and the bottom plate are connected through an embedded nut and a screw assembly, and the coil assembly comprises a coil framework and a coil wound on the coil framework. The AC contactor is characterized in that the arc extinguish cover of the arc extinguish chamber is provided with a pair of through holes, inside each through hole there is provided a small hook, the rod body of the small hook is sleeved by a compression spring, both ends of each compression spring respectively abuts against the limiting face inside the through hole and the top cap of the small hook, the body housing is provided with a pair of through holes corresponding to the through holes on the arc extinguish cover, the hook body of the bottom portion of the small hook passes through the through holes on the body housing and then fastens the body housing and the arc extinguish chamber.
Description
Technical field
The utility model relates to the low-voltage electrical apparatus field, relates in particular to contactor, specifically a kind of A.C. contactor.
Background technology
Existing A.C. contactor comprises base plate, the body, arc control device and coil block, and described coil block is arranged in the described body, and described arc control device are arranged on described body top; Described arc control device comprise arc-extinguish chamber and arc extinguishing grid pieces; Between the described arc control device and the body, all adopt setting-in copper nut and screw assembly to assemble between the body and the base plate; Described coil block comprises coil rack and is wound on the coil on the described coil rack that described coil is connected on the junction block through lead wire.
The A.C. contactor of said structure has following shortcoming:
1, because the installation between the thermoset plastics product of arc control device, the body and the base plate etc. of conventional AC contactor need use a large amount of setting-in copper nuts next fastening, cause process operation complicated, molding cycle is long, and production efficiency is low; And this installation process is the manual operations of strong muscle power, and cost is high.
2, the two ends of the coil of conventional AC contactor all need use lead wire to be connected to junction block; The two ends of every lead wire are welded to coil varnish envelope curve and junction block respectively like this, form two pads, and not only pad is many; The product quality consistency is not high; And can only realize manual semi-automatic coiling, complicated operation, production efficiency is low.
3, the identification of the coil of conventional AC contactor adopts the aperture on the body to watch the inner coil windings data nameplate of product, not only is difficult for the also working service of inconvenient product of identification.
It is thus clear that along with rapid development of social economy, traditional product structure is owing to the restriction of production efficiency and cost, the continuous growth that more and more can not meet the need of market.
Summary of the invention
The utility model will solve be between the thermoset plastics product that exists of prior art the installation insertion too much, complex forming technology, labour intensity is big, production cost is high problem, aim to provide a kind of A.C. contactor simple and reliable, that labour intensity is little, production cost is low that assembles.
The utility model also will solve the problem that quality is unstable, production efficiency is low that pad that prior art exists too much causes, aims to provide a kind of stable performance, A.C. contactor that production efficiency is high.
The utility model also will solve the difficult problem of discerning and safeguarding of coil nameplate that prior art exists, and aims to provide the A.C. contactor that the operation and maintenance of product was discerned and made things convenient for to a kind of coil nameplate easily.
For addressing the above problem, the utility model adopts following technical scheme: a kind of A.C. contactor, comprise base plate, the body, arc control device and coil block, and described coil block is arranged in the described body, and described arc control device are arranged on described body top; Be connected with screw assembly through embedded nut between the described body and the base plate; Described coil block comprises coil rack and is wound on the coil on the described coil rack; It is characterized in that offering a pair of through hole on the arc-extinguish chamber of said arc control device; Be equipped with a little hook in each through hole; Be set with the compression spring on the body of rod of said little hook, the two ends of said compression spring are respectively on the top cap of confined planes and the said little hook of overhead in said through hole; Offer on the said body with said arc-extinguish chamber on the corresponding a pair of through hole of through hole, the bottom coupler body of said little hook passes behind the through hole on the said body the said body and arc control device is fastening.
The A.C. contactor of the utility model through the counter-force of compression spring, utilizes little hook that arc control device are hooked in and makes both secure fixation on the body.The utility model utilizes two little hooks and two compression springs to replace two setting-in copper nuts on original two the set screws components and the body; Because little hook can adopt iron or other that cheap metal of certain intensity is arranged; Thereby can reduce precious metal and use, reduced production cost; Make things convenient for the processing of thermoset plastics product, improved production efficiency; Simplify assemble flow, reduced labour intensity.
As the further improvement of the utility model, offer " ten " word groove or " one " word groove on the top cap of said little hook, after little hook passes the through hole on the body, rotate little hook with " ten " or " one " word screwdriver, the body is hooked.
As further improving again of the utility model, described coil two ends connect a lug plate respectively, also are provided with a mounting panel on the described coil rack, and described two lug plates are arranged on the described mounting panel.Because lug plate can directly be connected with external wire, therefore can reduce by two tack-welds, improve reliability of products; And can realize the coiling of machine fully automatic high-speed, improve parts quality conformance and production efficiency.Can paste or be printed with the coil parameter nameplate on the described mounting panel, replace the inner coil windings data nameplate of existing product, not only can practice thrift cost, can also make more ocular and clear of product mark.
As the improvement further of the utility model, the embedded nut of installing through pair of angled between described arc control device and the body is connected with screw assembly.Usually all adopt four embedded nuts to be connected between arc control device and the body with screw assembly, yet, for the CJT1-40 series of products; The fixed form of two embedded nuts and screw assembly is enough reliable and stable; This structure can further reduce precious metal to be used, and reduces production costs, and makes things convenient for the processing of thermoset plastics product; Enhance productivity, simplify assemble flow and reduce labour intensity.Two set screws components adopt the novel fit that has certain inclination angle, make things convenient for the assembling of product.
Description of drawings
Further specify below in conjunction with the product structure of accompanying drawing the utility model A.C. contactor.
Fig. 1 is the product structure sketch map of the utility model A.C. contactor.
Fig. 2 is the structural representation of the utility model A.C. contactor arc control device.
Fig. 3 is the structural representation of little hook.
Fig. 4 is the structural representation of the utility model A.C. contactor body.
Fig. 5 is the structural representation of the utility model ac contactor coil.
Fig. 6 is the structural representation of the utility model A.C. contactor base plate.
Fig. 7 is the local amplification view at A place among Fig. 1.
Among the figure, 1-base plate, 2-coil block, 3-screw assembly, the 4-body, 5-arc control device; The 11-installing hole, 21-coil rack, 22-lug plate, 23-bat printing coil nameplate mark, 24-lug plate, 25-mounting panel; The 26-coil, 31-embedded nut and screw assembly, 32-square nut, 41-square hole, 42-base plate trip bolt hole; The 43-opening, 51-" ten " word groove, 52-arc-extinguish chamber, 53-cylindrical compression spring, the little hook of 54-; The 55-through hole, the top cap of the little hook of 56-, the body of rod of the little hook of 57-, the coupler body of the little hook of 58-, 59-confined planes.
Embodiment
With reference to Fig. 1, a kind of A.C. contactor comprises base plate 1, the body 4, arc control device 5 and coil block 2, and described coil block 2 is arranged in the described body 4, and described arc control device 5 are arranged on the described body 4 tops; Be connected with screw assembly 3 through embedded nut between the described body 4 and the base plate 1.
With reference to Fig. 2, Fig. 3 and Fig. 4, offer a pair of through hole 55 on the arc-extinguish chamber 52 of said arc control device 5, be equipped with a little hook 54 in each through hole 55.Described little hook 5 comprises the body of rod 57 of top cap 56, mid portion and the coupler body 58 (as shown in Figure 3) of bottom, offers " ten " word groove on the top cap 56.Be set with cylindrical compression spring 53 on the body of rod 57 of said little hook 54, the two ends of said compression spring 53 are respectively on the top cap 56 of confined planes 59 and the said little hook 54 of overhead said through hole 55 in; Offer on the said body 4 with said arc-extinguish chamber 52 on through hole 55 corresponding a pair of through holes 41, the bottom coupler body 58 of said little hook 54 passes behind the through hole 41 on the said body 4 the said body 4 is fastening with arc control device 5.
Described arc control device 5 are connected with the body 4 in the following manner: press down after aiming at " ten " word groove on the little hook top cap 56 with the screw cutter; Make the coupler body 58 of little hook bottom stretch out arc-extinguish chamber 52 and pass the through hole 41 on the body 4; Revolve then and turn 90 degrees; At this moment, be in the energy storage state after cylindrical compression spring 53 is compressed.Decontrol the screw cutter, be hooked in for a short time under the tension force effect of cylindrical compression spring 53 and move upward, the coupler body 58 of little hook bottom tightly hooks the body 4, makes the arc control device 5 and the body 4 fastening.
With reference to Fig. 5, described coil block 2 comprises coil rack 21 and is wound on the coil 26 on the described coil rack 21, also is provided with a mounting panel 25 on the described coil rack 21.Described coil 26 two ends connect a lug plate 22,24 respectively, and described two lug plates 22,24 are arranged on the both sides of described mounting panel 25.The nameplate mark 23 of the middle part bat printing coil windings parameter of described mounting panel 25.Mounting panel 25 is arranged on the base plate 1, and lug plate 22,24 and nameplate mark 23 stretch out from the opening part 43 of the body 4 both sides, is convenient to wiring and observes mark.
With reference to Fig. 4, Fig. 6 and Fig. 7, the embedded nut of installing through pair of angled between described arc control device 5 and the body 4 is connected with screw assembly 2.The body 4 bottoms are provided with the base plate trip bolt hole 42 of pair of angled; The also corresponding installing hole 11,12 that offers pair of angled on the base plate 1; One square shaped copper nut 31 is inlaid in the bottom of installing hole 11,12 respectively; Screw 32 passes base plate trip bolt hole 42 and installing hole 12 respectively, tightens with copper nut 31.
What should be understood that is: the foregoing description is just to the explanation of the utility model, rather than to the restriction of the utility model, any innovation and creation that do not exceed in the utility model connotation scope all fall within the protection range of the utility model.
Claims (5)
1. an A.C. contactor comprises base plate (1), the body (4), arc control device (5) and coil block (2), and described coil block (2) is arranged in the described body (4), and described arc control device (5) are arranged on the described body (4) top; Be connected with screw assembly (2) through embedded nut between the described body (4) and the base plate (1); Described coil block (2) comprises coil rack (21) and is wound on the coil (26) on the described coil rack (21); It is characterized in that offering a pair of through hole (55) on the arc-extinguish chamber (52) of said arc control device (5); Be equipped with a little hook (54) in each through hole (55); Be set with compression spring (53) on the body of rod (57) of said little hook (54), the two ends of said compression spring (53) are respectively on the top cap (56) of confined planes (59) and the said little hook (54) of overhead in said through hole (55); Offer on the said body (4) with said arc-extinguish chamber (52) on the corresponding a pair of through hole of through hole (55) (41), the bottom coupler body (58) of said little hook (54) passes behind the through hole (41) on the said body (4) the said body (4) and arc control device (5) is fastening.
2. a kind of A.C. contactor as claimed in claim 1 is characterized in that offering " ten " word groove or " one " word groove (51) on the top cap (56) of said little hook (54).
3. a kind of A.C. contactor as claimed in claim 1; It is characterized in that described coil (26) two ends connect a lug plate (22,24) respectively; Also be provided with a mounting panel (25) on the described coil rack (21), described two lug plates (22,24) are arranged on the described mounting panel (25).
4. a kind of A.C. contactor as claimed in claim 3 is characterized in that pasting on the described mounting panel (25) or being printed with coil parameter nameplate (23).
5. like any one described a kind of A.C. contactor of claim 1-4, it is characterized in that the embedded nut of installing through pair of angled between described arc control device and the body is connected with screw assembly (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200151525U CN202473769U (en) | 2012-01-13 | 2012-01-13 | AC contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200151525U CN202473769U (en) | 2012-01-13 | 2012-01-13 | AC contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202473769U true CN202473769U (en) | 2012-10-03 |
Family
ID=46921912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200151525U Expired - Lifetime CN202473769U (en) | 2012-01-13 | 2012-01-13 | AC contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202473769U (en) |
-
2012
- 2012-01-13 CN CN2012200151525U patent/CN202473769U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121003 |