CN207353168U

CN207353168U - A.C. contactor

Info

Publication number: CN207353168U
Application number: CN201721070590.0U
Authority: CN
Inventors: 叶圣兵; 郑乾俊; 肖体锋
Original assignee: Zhejiang Chint Electrics Co Ltd
Current assignee: Zhejiang Chint Electrics Co Ltd
Priority date: 2017-08-25
Filing date: 2017-08-25
Publication date: 2018-05-11
Anticipated expiration: 2027-08-25

Abstract

A kind of A.C. contactor, including housing, main contact portion is installed on housing and contact is supported, spring is installed in contact support to support, one end that the spring is supported is connected with the main contact spring that contact is supported and stress, the moving contact mounting surface that the other end is supported with contact is oppositely arranged, and it is respectively equipped with two handles in the both sides that spring is supported, each handle includes the lug boss and notch in bulge-structure, two notches positioned at the edge of moving contact mounting surface and are oppositely arranged respectively, so that there is the gap supported easy to pull-up spring between handle and moving contact mounting surface.The utility model in the support of the spring of A.C. contactor by setting handle and by forming gap between handle and contact support, so that solve the problems, such as that spring supports that pull-up is difficult when by single-handedly or using instrument pulling spring to support to carry out moving contact installation easy to put forth effort.

Description

A.C. contactor

Technical field

Low Voltage Electrical Apparatus is the utility model is related to, particularly a kind of A.C. contactor.

Background technology

A.C. contactor is mainly used for exchanging 50Hz or 60Hz, rated operational voltage to 380V, the electric power of electric current to 150A In circuit, make remote connect and be used with disjunction circuit, and can be combined with appropriate electrothermal relay or electronic protecting device Into motor starter, to protect the circuit that may be overloaded.Existing A.C. contactor is in assembling process, due to its use The counter-force effect of acceptor's touch spring is supported in the spring of fixed moving contact and is close to contact and is supported, therefore when installing moving contact Spring must be supported to support upper pull-up from contact.However, due to being limited be subject to the space of A.C. contactor and existing bullet The design defect that spring is supported, often so that spring is supported because causing spring to support pull-up to be stranded without enough spaces and impetus Difficulty, and then have impact on the experience of production efficiency and user during installation and use.

Utility model content

The purpose of the utility model is to overcome the defects of the prior art, there is provided a kind of simple in structure, easy to use, safe Reliable A.C. contactor.

To achieve the above object, the utility model employs following technical solution：

A kind of A.C. contactor, including housing 1, are provided with main contact portion 2 on housing 1 and contact supports 4, in contact Support to be provided with 4 for the spacing spring in contact support 4 of the moving contact 21 in main contact portion 2 to be supported 5, the spring branch Hold 5 one end and contact supports that 4 main contact spring 43 is connected and stress, the other end support 4 moving contact to install with contact Face 49 is oppositely arranged, and supports that 5 are respectively equipped with two handles close to the both sides of one end of moving contact mounting surface 49 in spring 52, each handle 52 includes the lug boss 521 and notch 522 in bulge-structure, and two notches 522 are installed positioned at moving contact respectively The edge in face 49 is simultaneously oppositely arranged so that there is the sky that 5 are supported easy to pull-up spring between handle 52 and moving contact mounting surface 49 Gap.

Optionally, two auxiliary contact portions 3 are equipped with the both sides of housing 1, the contact supports 4 to be located in housing 1 Portion, two auxiliary contact portions 3 respectively positioned at contact support 4 both sides, the moving contact 21 be installed on contact support 4 on and with Being arranged on contact supports the static contact 22 in the main contact portion 2 of 4 both sides to be oppositely arranged.

Optionally, the spring supports that 5 include baffle 51, handle 52, Y types side arm 53 and hook 54, the Y types side The both sides that arm 53 is separately positioned on baffle 51 pass through handle 52 and gear so as to form "door" type structure, i.e. one end of Y types side arm The side wall of 51 both sides of plate is connected, and the other end is end to end with hook 54 and two hooks 54 are oppositely arranged under baffle 51 Side is used to be connected with main contact spring 43.

Optionally, the middle part of the baffle 51 be equipped with matched first type hole 55 of moving contact 21,51 both sides of baffle Side wall is connected with the lug boss 521 of handle 52 respectively, and the notch 522 is arranged far from the lug boss of 51 side of baffle 521 middle part is so as to form two bent over arms 523, and the Y types side arm 53 is by two bifurcated sections 531, the peace of V-type section 532 Straight section 533 forms, and one end of two bifurcated sections 531 is connected with two bent over arms 523 respectively, two bifurcated sections 531 it is another End is connected with two branch arms of the openend of V-type section 532 respectively, closed end and the flat segments 533 of the V-type section 532 One end is connected, and the other end of the flat segments 533 is connected with hook 54.

Optionally, surrounded by the side wall of bifurcated section 531, V-type section 532, bent over arms 523 and notch 522 and form second Type hole 56, second type hole 56 expose gap between handle 52 and main contact mounting surface 49.

Optionally, the moving contact 21 includes substrate 217, is equipped with the both ends of substrate 217 quiet with A.C. contactor Two movable contacts 216 that contact 22 is oppositely arranged, are equipped with the middle part of substrate 217 and support 5 the first type hole 55 to match with spring The first convex ribs 211 closed, the both ends of first convex ribs 211 are respectively provided with two the second convex ribs 212, so that first The first card slot 214 is formd between 211 and second convex ribs 212 of convex ribs, first card slot 214 supports 5 baffle with spring 51 are engaged, and 56 matched 3rd convex ribs of the second type hole with spring support 5 are respectively equipped with the side wall of 217 both sides of substrate 213, the both sides of the 3rd convex ribs 213 are equipped with the second card slot 215, and second card slot 215 supports 5 bifurcated section with spring 531 are engaged.

Optionally, the contact supports that 4 include main contact mounting bracket 41 and are arranged on 41 both sides of main contact mounting bracket Auxiliary contact mounting bracket 42, the moving contact mounting surface 49 are located at the end of main contact mounting bracket 41, the moving contact 21 By spring support 5 be installed on main contact mounting bracket 41 moving contact mounting surface 49 on and with the static contact on housing 1 22 are oppositely arranged, and the auxiliary contact in the auxiliary contact portion 3 is oppositely arranged with auxiliary contact mounting bracket 42.

Optionally, the first installation cavity 45 for being used for installing main contact spring 43 is equipped with main contact mounting bracket 41, it is described The top of main contact spring 43 and the top inner wall of the first installation cavity 45 are oppositely arranged, and the spring supports 5 one end positioned at the The top of one installation cavity 45, the other end are connected with the bottom of main contact spring 43, and the is equipped with auxiliary contact mounting bracket 42 Two installation cavitys 46, are provided with auxiliary contact spring 44 in second installation cavity 46, and the bottom for supporting 4 in contact is equipped with connection Boss 47, the middle part of the connection boss 47 are equipped with connection through hole 48.

Optionally, the housing 1 includes base and the pedestal being installed on base, is provided between base and pedestal Coil rack, the E types armature being oppositely arranged and E-type magnetic yoke, the E-type magnetic yoke are arranged in base, the E types armature with Contact in the middle part of pedestal supports 4 one end to be connected, and the coil rack is set in the middle part of E-type magnetic yoke, main to touch The static contact 22 on head 2 is fixedly mounted on the both ends of pedestal and is correspondingly arranged respectively with two movable contacts 216 of moving contact 21, position The both sides of pedestal are arranged in the auxiliary contact portion 3 on housing 1.

Optionally, support to be equipped with three main contact mounting brackets 41 on 4 side by side in contact, it is each on each main contact mounting bracket 41 One moving contact 21 is installed, i.e., contact supports that 4 are equipped with three moving contacts 21, and be correspondingly arranged on housing 1 three pairs it is quiet Contact 22.

The A.C. contactor of the utility model is by setting handle in the support of the spring of A.C. contactor and passing through handle Gap is formed between being supported with contact so that when by single-handedly or using instrument pulling spring to support to carry out moving contact installation just In putting forth effort, solve the spring caused by the design problem that the limitation of A.C. contactor space and traditional spring are supported and support to draw Rise the problem of difficult, meanwhile, by setting handle to increase the intensity that spring is supported respectively in the both sides that spring is supported, avoid Spring is supported to deform in assembling process, ensure that integrally-built reliability and security.

Brief description of the drawings

Fig. 1 is the assembling structure schematic diagram that the contact of the utility model is supported and spring is supported；

Fig. 2 is the overall structure diagram of the utility model；

Fig. 3 is the structure diagram that the spring of the utility model is supported；

Fig. 4 is the front view that the spring of the utility model is supported；

Fig. 5 is the side view that the spring of the utility model is supported；

Fig. 6 is the structure diagram of the moving contact of the utility model；

Fig. 7 is the overall structure diagram of a specific embodiment of the utility model.

Embodiment

The embodiment of the utility model is provided below in conjunction with attached drawing 1 to 7, further illustrates the ac contactor of the utility model Implement body embodiment.The A.C. contactor of the utility model is not limited to the following description.

As illustrated in fig. 1 and 2, the A.C. contactor of the utility model includes housing 1, and main contact portion 2 is provided with housing 1 4 are supported with contact, support to be provided with 4 for the spacing bullet in contact support 4 by the moving contact 21 in main contact portion 2 in contact Spring supports 5, and the spring supports 5 one end and the main contact spring 43 of contact support 4 is connected and stress, and the other end is with touching Head supports 4 moving contact mounting surface 49 to be oppositely arranged, and supports 5 close to the both sides of one end of moving contact mounting surface 49 in spring Two handles 52 are respectively equipped with, each handle 52 includes the lug boss 521 and notch 522 in bulge-structure, two notches 522 It is located at the edge of moving contact mounting surface 49 respectively and is oppositely arranged so that exists just between handle 52 and moving contact mounting surface 49 5 gap is supported in pull-up spring, during assembling, single-handedly or is used by the gap between handle 52 and moving contact mounting surface 49 The instrument pull-up such as straight screwdriver spring supports 5 so that spring supports 5 to overcome the elastic force of main contact spring 43 to move so as to shape Into the installation space for being used to install moving contact 21.The utility model sets handle by being supported in the spring of A.C. contactor on 5 Hand 52 and by handle 52 and contact support 4 between form gap so that by single-handedly or using instrument pulling spring to support 5 Easy to put forth effort when progress moving contact 21 is installed, solves the design because of the limitation of A.C. contactor space and traditional spring support 5 The problem of spring supports 5 pull-ups difficult caused by problem, meanwhile, the both sides by supporting 5 in spring set handle 52 respectively The intensity that spring supports 5 can be increased, avoid spring in assembling process from supporting that 5 deform, ensure that integrally-built reliable Property and security.

As shown in Fig. 2, being additionally provided with two auxiliary contact portions 3 in the both sides of housing 1, the contact supports that 4 are located at housing 1 middle part, two auxiliary contact portions 3 support 4 both sides positioned at contact respectively, and the moving contact 21 is installed on contact and supports on 4 And the static contact 22 in the main contact portion 2 of 4 both sides is supported to be oppositely arranged with being arranged on contact.Specifically, the housing 1 includes Base and the pedestal being installed on base, the E types armature and E for coil rack is provided between base and pedestal, being oppositely arranged Type yoke, the E-type magnetic yoke are arranged in base, the E types armature and one of the contact support 4 in the middle part of pedestal End is connected, and the coil rack is set in the middle part of E-type magnetic yoke, and the static contact 22 is fixedly mounted on the both ends of pedestal And be correspondingly arranged respectively with two movable contacts 216 of moving contact 21, the auxiliary contact portion 3 is arranged on the both sides of pedestal, hands over When flowing contactor work, E-type magnetic yoke and E type armature are mutually attracted, and E types armature band moving contact supports 4 to move up and down, so as to drive Contact supports the moving contact 21 on 4 to contact or disconnect leading to so as to control circuit with the static contact 22 that pedestal both sides are fixedly installed It is disconnected.

As shown in Figure 1, specifically, the contact supports 4 to include main contact mounting bracket 41 and is arranged on main contact installation The auxiliary contact mounting bracket 42 of 41 both sides of frame, the moving contact mounting surface 49 is located at the end of main contact mounting bracket 41, described Moving contact 21 by spring support 5 be installed on main contact mounting bracket 41 moving contact mounting surface 49 on and with installed in housing 1 On static contact 22 be oppositely arranged, the auxiliary contact in the auxiliary contact portion 3 is oppositely arranged with auxiliary contact mounting bracket 42, from And contact is enabled to support that 4 control contact or disconnection of the moving contact 21 with static contact 22 and auxiliary contact by displacement； The first installation cavity 45 for being used for installing main contact spring 43 is equipped with main contact mounting bracket 41, the main contact spring 43 Top and the top inner wall of the first installation cavity 45 are oppositely arranged, and the spring supports 5 one end to be located at the upper of the first installation cavity 45 Side, the other end are connected with the bottom of main contact spring 43；The second installation cavity 46 is equipped with auxiliary contact mounting bracket 42, it is described The second installation cavity 46 in be provided with auxiliary contact spring 44 be used for give auxiliary contact provide elastic force；4 bottom is supported in contact Equipped with the connection boss 47 for being connected with the miscellaneous part in housing 1, the middle part of the connection boss 47 is additionally provided with connection Through hole 48.

As described in Fig. 3 to 5, a preferred embodiment of the spring support 5 of the utility model is that the spring is supported 5 include baffle 51, handle 52, Y types side arm 53 and hook 54, the Y types side arm 53 be separately positioned on the both sides of baffle 51 from And form "door" type structure, i.e. one end of Y types side arm is connected by handle 52 with the side wall of 51 both sides of baffle, the other end with Link up with 54 it is end to end and two hook 54 be oppositely arranged on baffle 51 lower sections be used for be connected with main contact spring 43. Specifically, be equipped with the middle part of baffle 51 with matched first type hole 55 of moving contact 21, the side walls of 51 both sides of baffle respectively with The lug boss 521 of handle 52 is connected, and the notch 522 is arranged far from the middle part of the lug boss 521 of 51 side of baffle So as to form two bent over arms 523, the Y types side arm 53 is by 533 groups of two bifurcated sections 531, V types section 532 and flat segments Into, one end of two bifurcated sections 531 is connected with two bent over arms 523 respectively, the other ends of two bifurcated sections 531 respectively with V Two branch arms of the openend of type section 532 are connected, and the closed end of the V-type section 532 is connected with one end of flat segments 533 Connect, the other end of the flat segments 533 is connected with hook 54；Meanwhile by bifurcated section 531, V-type section 532, bent over arms 523 with And the side wall encirclement of notch 522 can be by handle 52 and main contact so as to form the second type hole 56, second type hole 56 Gap exposes and reserves larger operating space between mounting surface 49, so as to facilitate single-handedly or pull spring to support using instrument Suitable impetus and mode of having an effect are searched out when 5.

As shown in fig. 6, a preferred embodiment of the moving contact 21 of the utility model is that the moving contact 21 includes Substrate 217, two movable contacts 216 being oppositely arranged with static contact 22 is equipped with the both ends of substrate 217, at the middle part of substrate 217 Equipped with 55 matched first convex ribs 211 of the first type hole that 5 are supported with spring, the both ends of first convex ribs 211 are respectively separated Two the second convex ribs 212 are provided with, so as to form the first card slot 214, institute between the first convex ribs 211 and the second convex ribs 212 The first card slot 214 stated supports 5 baffle 51 to be engaged so as to which 21 in the vertical direction of moving contact is spacing, in base with spring Be respectively equipped with the side wall of 217 both sides of plate with spring support 5 56 matched 3rd convex ribs 213 of the second type hole, the described 3rd The both sides of convex ribs 213 are equipped with the second card slot 215, and second card slot 215 supports 5 bifurcated section 531 to be engaged with spring So as to which spring is supported 5 upper limits in the horizontal direction.

As shown in fig. 7, a specific embodiment of the A.C. contactor of the utility model is, supported in contact on 4 simultaneously Row are equipped with three main contact mounting brackets 41, and a moving contact 21 is respectively provided with each main contact mounting bracket 41, i.e. contact supports 4 Three moving contacts 21 are equipped with, and three pairs of static contacts 22 are correspondingly arranged on so as to form three-pole AC contactor on housing 1.

Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded To belong to the scope of protection of the utility model.

Claims

1. a kind of A.C. contactor, including housing (1), are provided with main contact portion (2) on housing (1) and contact supports (4), its It is characterized in that：Support to be provided with (4) for the moving contact (21) of main contact portion (2) is spacing in contact support (4) in contact On spring support (5), the spring support the one end of (5) be connected with the main contact spring (43) of contact support (4) and by Power, the other end support the moving contact mounting surface (49) of (4) to be oppositely arranged with contact, and support (5) close to moving contact in spring The both sides of one end of mounting surface (49) are respectively equipped with two handles (52), and each handle (52) includes the lug boss in bulge-structure (521) positioned at the edge of moving contact mounting surface (49) and it is oppositely arranged respectively with notch (522), two notches (522) so that There is the gap that (5) are supported easy to pull-up spring between hand (52) and moving contact mounting surface (49).

2. A.C. contactor according to claim 1, it is characterised in that：Two auxiliary are equipped with the both sides of housing (1) to touch Head (3), the contact support (4) to be located at the middle part of housing (1), and two auxiliary contact portions (3) are supported positioned at contact respectively (4) both sides, the moving contact (21) are installed on contact and support to support the main contact of (4) both sides on (4) and with being arranged on contact The static contact (22) in portion (2) is oppositely arranged.

3. A.C. contactor according to claim 1 or 2, it is characterised in that：The spring supports (5) to include baffle (51), handle (52), Y types side arm (53) and hook (54), the Y types side arm (53) are separately positioned on the both sides of baffle (51) So as to form n structure, i.e. one end of Y types side arm is connected by handle (52) with the side wall of baffle (51) both sides, separately One end with hook (54) it is end to end and two hook (54) be oppositely arranged on baffle (51) lower section be used for and main contact bullet Spring (43) is connected.

4. A.C. contactor according to claim 3, it is characterised in that：The middle part of the baffle (51) is equipped with and moving contact (21) matched first type hole (55), the side wall of baffle (51) both sides are connected with the lug boss (521) of handle (52) respectively, The notch (522) is arranged far from the middle part of the lug boss (521) of baffle (51) side so as to form two bent over arms (523), the Y types side arm (53) is made of two bifurcated sections (531), V-type section (532) and flat segments (533), two bifurcateds One end of section (531) is connected with two bent over arms (523) respectively, the other ends of two bifurcated sections (531) respectively with V-type section (532) two branch arms of openend are connected, the closed end and one end phase of flat segments (533) of the V-type section (532) Connection, the other end of the flat segments (533) are connected with hook (54).

5. A.C. contactor according to claim 4, it is characterised in that：By bifurcated section (531), V-type section (532), bending The side wall of arm (523) and notch (522) surrounds and forms the second type hole (56), and second type hole (56) is by handle (52) Gap is exposed between main contact mounting surface (49).

6. A.C. contactor according to claim 1 or 2, it is characterised in that：The moving contact (21) includes substrate (217), two movable contacts (216) being oppositely arranged with the static contact (22) of A.C. contactor are equipped with the both ends of substrate (217), It is equipped with matched first convex ribs (211) of the first type hole (55) that (5) are supported with spring at the middle part of substrate (217), described the The both ends of one convex ribs (211) are respectively provided with two the second convex ribs (212), so that convex in the first convex ribs (211) and second The first card slot (214) is formd between muscle (212), first card slot (214) supports the baffle (51) of (5) to match with spring Close, matched 3rd convex ribs of the second type hole (56) that (5) are supported with spring are respectively equipped with the side wall of substrate (217) both sides (213), the both sides of the 3rd convex ribs (213) are equipped with the second card slot (215), and second card slot (215) is supported with spring (5) bifurcated section (531) is engaged.

7. A.C. contactor according to claim 1, it is characterised in that：The contact supports (4) to pacify including main contact Shelve (41) and be arranged on the auxiliary contact mounting bracket (42) of main contact mounting bracket (41) both sides, the moving contact mounting surface (49) it is located at the end of main contact mounting bracket (41), the moving contact (21) supports (5) to pacify installed in main contact by spring Shelve on the moving contact mounting surface (49) of (41) and be oppositely arranged with the static contact (22) on housing (1), the auxiliary Auxiliary contact in contact part (3) is oppositely arranged with auxiliary contact mounting bracket (42).

8. A.C. contactor according to claim 7, it is characterised in that：It is equipped with main contact mounting bracket (41) and is used to pacify Fill the first installation cavity (45) of main contact spring (43), the top of the main contact spring (43) and the top of the first installation cavity (45) Portion's inner wall is oppositely arranged, and the spring supports the one end of (5) to be located at the top of the first installation cavity (45), the other end and main contact bullet The bottom of spring (43) is connected, and the second installation cavity (46), second installation cavity are equipped with auxiliary contact mounting bracket (42) (46) auxiliary contact spring (44) is installed in；

The bottom of (4) is supported to be equipped with connection boss (47) in contact, the middle part of the connection boss (47) is equipped with connection through hole (48)。

9. A.C. contactor according to claim 1 or 2, it is characterised in that：The housing (1) includes base and installation It is described in the pedestal on base, the E types armature and E-type magnetic yoke for coil rack is provided between base and pedestal, being oppositely arranged E-type magnetic yoke be arranged in base, the E types armature supports the one end of (4) to be connected with the contact in the middle part of the pedestal, The coil rack is set in the middle part of E-type magnetic yoke, and the static contact (22) of main contact portion (2) is fixedly mounted on the both ends of pedestal And be correspondingly arranged respectively with two movable contacts (216) of moving contact (21), the auxiliary contact portion (3) on housing (1) is set In the both sides of pedestal.

10. A.C. contactor according to claim 2, it is characterised in that：Support to be equipped with three masters side by side on (4) in contact Contact mounting bracket (41), a moving contact (21) is respectively provided with each main contact mounting bracket (41), i.e. contact is supported to set on (4) There are three moving contacts (21), and three pairs of static contacts (22) are correspondingly arranged on housing (1).