CN212303573U - A unipolar modular contactor - Google Patents
A unipolar modular contactor Download PDFInfo
- Publication number
- CN212303573U CN212303573U CN202022221240.8U CN202022221240U CN212303573U CN 212303573 U CN212303573 U CN 212303573U CN 202022221240 U CN202022221240 U CN 202022221240U CN 212303573 U CN212303573 U CN 212303573U
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- side cover
- coil
- connection
- plug
- housing
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Abstract
本实用新型涉及一种单极模数化接触器，包括壳体和电磁系统、触头系统、设置在电磁系统两侧且与电磁系统电连接的线圈接线端子组件、设置在触头系统两侧且与触头系统电连接的主接线端子组件，壳体包括相互拼接的第一侧盖和第二侧盖，第一侧盖和第二侧盖之间形成用于放置线圈接线端子组件的第一连接腔和用于放置主接线端子组件的第二连接腔，第一连接腔与第二连接腔之间形成分隔壁，且相邻第一连接腔和第二连接腔呈错位设置，壳体的两个侧面的下端形成主接线孔，第一侧盖的两个侧面均向内形成凹口，凹口上形成与第一连接腔相同的线圈接线孔。本实用新型单极模数化接触器具有体积小、内部部件设置合理、额定电流大的优点，也便于安装。
The utility model relates to a single-pole modular contactor, comprising a housing, an electromagnetic system, a contact system, coil wiring terminal assemblies arranged on both sides of the electromagnetic system and electrically connected with the electromagnetic system, and arranged on both sides of the contact system The main terminal assembly is electrically connected to the contact system, and the housing includes a first side cover and a second side cover that are spliced to each other, and a first side cover and a second side cover are formed between the first side cover and the second side cover for placing the coil terminal assembly. A connecting cavity and a second connecting cavity for placing the main terminal assembly, a partition wall is formed between the first connecting cavity and the second connecting cavity, and the adjacent first connecting cavity and the second connecting cavity are arranged in dislocation, and the housing The lower ends of the two side surfaces of the first side cover form a main wiring hole, both sides of the first side cover are inwardly formed with a notch, and the notch is formed with the same coil wiring hole as the first connection cavity. The single-pole modular contactor of the utility model has the advantages of small size, reasonable arrangement of internal components, large rated current, and convenient installation.
Description
Technical Field
The utility model relates to a contactor especially relates to a monopole modulization contactor.
Background
The working mode of the contactor is that a coil of the contactor is electrified, the coil is electrified to generate a magnetic field, the magnetic field enables the static iron core and the movable iron core to generate magnetic force and attract each other, the normally open contact is closed to control the conduction of a load, after the coil is electrified, the magnetic force between the static iron core and the movable iron core disappears, the movable iron core resets under the action of a spring, and the normally open contact is disconnected.
The rated current of the contactor is generally 16A, 20A, 25A, 40A and 63A, and the factors determining the rated current of the contactor include the contact capacity of the moving contact and the fixed contact (the long-term operating current that the contact can bear), the specification of the main terminal (the long-term operating current that the main terminal can bear), the requirement of the electrical gap between the conductive parts inside the contactor, and the like. Due to the requirements of the contact capacity of the moving and static contacts and the specification of the main connecting terminal, in a shell structure with limited space of a single-pole modular contactor (a contactor with the number of poles of the main connecting terminal being 1 pole), the specifications of 16A, 20A and 25A of rated current can be achieved, and higher rated current cannot be achieved. Due to the defects, in an application occasion which only needs a contactor with the number of poles of the main terminal being 1 and has a large rated current, a multi-pole contactor with a larger rated current or a single-pole contactor with a larger volume needs to be installed for adaptation, so that the technical problems of resource waste or large occupied installation space are caused.
Disclosure of Invention
In view of this, the utility model aims at providing a unipolar modulization contactor, structural design is reasonable reliable, convenient assembling, whole small and have the advantage that rated current is big, can use the rated current to be 40A, 63A's occasion, satisfies customer's actual demand.
In order to achieve the above object, the present invention provides a single-pole modular contactor, which comprises a housing, an electromagnetic system disposed in the housing, a contact system disposed in the housing, coil terminal assemblies disposed on both sides of the electromagnetic system and electrically connected to the electromagnetic system, and a main terminal assembly disposed on both sides of the contact system and electrically connected to the contact system, wherein the housing comprises a first side cover and a second side cover which are connected to each other, a first connecting cavity for accommodating the coil terminal assembly and a second connecting cavity for accommodating the main terminal assembly are formed between the first side cover and the second side cover, a partition wall is formed between the first connecting cavity and the second connecting cavity, adjacent first connecting cavity and second connecting cavity are arranged in a staggered manner, main terminal holes are formed at lower ends of two sides of the housing, and notches are formed inward at both sides of the first side cover, the notch is provided with a coil wiring hole which is the same as the first connection cavity.
In order to realize a large-current single-pole contactor in a space-limited shell, the single-pole modular contactor needs to ensure that the main terminal assembly has a large-current specification (can normally work under the rated current of 40A and 63A), due to the modular housing height, width, and electrical clearance between the conductive members, the coil terminals cannot be conventionally positioned above the main terminals, therefore, the first connecting cavity and the second connecting cavity are arranged in a staggered way on the position of the wiring axis, the coil wiring terminal is deviated towards one side relative to the central axis of the shell, the coil wiring hole is also deviated relative to the central axis of the shell, and the coil wiring hole is arranged close to the main wiring hole, so that the coil wiring terminal can be assembled in the shell under the limitation of adopting the large-size main wiring terminal and the height of the shell, and the partition wall can ensure that the adjacent coil connecting terminals and the main connecting terminal are electrically isolated. The utility model discloses the adjustment has been made to main binding post and coil binding post position in the casing to monopole modulization contactor, with main binding post and coil binding post carry out dislocation set, and made the partition between first connection chamber and second connection chamber, can use in the occasion that rated current is 40A or 63A in modulization casing, such monopole modulization contactor has small, the inner part sets up rationally, the advantage that rated current is big, can not cause the wasting of resources, also be convenient for install.
The utility model discloses further set up to first connection chamber setting in the one side that is close to first side cap, the second is connected the chamber and is set up in the one side that is close to the second side cap.
The utility model discloses further set up to electromagnetic system include coil skeleton, coiling coil, quiet iron core, move the iron core, connect the indicator on coil skeleton, be provided with reset spring on the indicator, just form the side dress hole to reset spring's position on the second side cover.
Above-mentioned contactor casing is formed by first side cap and the concatenation of second side cap, and is used for installing coil terminal subassembly's first connection chamber and reset spring and cross-section setting, such structure is difficult directly to install when assembling reset spring, has consequently carried out seting up of side dress hole on the second side cap, just closes first side cap and second side cap after inside electromagnetic system finishes installing, inserts reset spring from the side dress downthehole again, accomplishes the assembly.
The utility model discloses further set up to form the spring groove that corresponds with the side dress hole on the second side cover, form the projection on the indicator, reset spring's one end is connected on the projection of indicator, and reset spring's the other end is connected at the spring inslot.
The convex column of the indicating piece and the spring groove on the second side cover are used for improving the stability of the connection and matching of the return spring and the indicating piece.
The utility model discloses further set up to coil binding post subassembly and include first coil binding post and second coil binding post, be connected with first wiring foot on the first coil binding post, the one end of first wiring foot forms the slope of buckling downwards, the second side is covered the chute that the position just to the slope formed with the slope adaptation, the slope is connected in the chute, be connected with second wiring foot on the second coil binding post, the one end of second wiring foot forms the leveling portion, the second side is covered the position just to the leveling portion and is formed a supporting bench, the leveling portion is connected on a supporting bench.
The inclined part of the first wiring pin is clamped in the chute of the second side cover, and due to the matching effect of the inclined part and the chute, the first coil wiring terminal and the first wiring pin cannot be deviated when the first coil wiring terminal is operated for wiring; the leveling part of the second wiring pin is connected to the supporting platform of the second side cover, and due to the matching of the leveling part and the supporting platform forming surface, the second coil wiring terminal and the second wiring pin cannot be deviated when the second coil wiring terminal is operated for wiring, so that the stability of the connection of the coil wiring terminal assembly in the shell is improved.
The utility model discloses further set up to electromagnetic system still include the first elastic connection piece of being connected with coil one end, the second elastic connection piece of being connected with the coil other end, the side of first wiring foot is connected to the one end of first elastic connection piece, the pars plana of second wiring foot is connected to the one end of second elastic connection piece.
The coil is electrically connected with the first wiring pin and the second wiring pin respectively by the first elastic connecting piece and the second elastic connecting piece, and reliable electrical connection with the first wiring pin and the second wiring pin is guaranteed by the elastic pressure of the first elastic connecting piece and the second elastic connecting piece.
The utility model discloses further set up to the other end of first wiring foot upwards extends and forms first grafting portion, and the other end of second wiring foot upwards extends and forms second grafting portion, the position that first side cap corresponds first grafting portion and second grafting portion all forms the inserting groove, first grafting portion and second grafting portion are connected respectively in the inserting groove.
The first inserting portion and the second inserting portion are connected in the inserting groove of the first side cover respectively, and further limit the first wiring pin or the second wiring pin to deviate, so that the first side cover and the second side cover are fixed to the first wiring pin and the second wiring pin.
The utility model discloses further set up to cover on first side or the second side covers and form locating piece and locating hole, coil skeleton is last to form the reference column with the locating hole adaptation, coil skeleton forms the connection cooperation with the locating piece, and the reference column forms with the locating hole to be connected.
The positioning structure ensures the stability of the connection of the electromagnetic system between the first side cover and the second side cover.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention.
Fig. 2 is an exploded view of another angle of the embodiment of the present invention.
Fig. 3 is a top view of an embodiment of the present invention.
Fig. 4 is a cross-sectional view a-a of fig. 3.
Fig. 5 is a perspective view of the first side cover according to the embodiment of the present invention.
Fig. 6 is a perspective view of a second side cover according to an embodiment of the present invention.
Fig. 7 is a rear side view of the embodiment of the present invention with the first side cover removed.
Detailed Description
The specific structure of the single-pole modular contactor of the present invention is described below with reference to the accompanying drawings:
as shown in fig. 1 to 7, the present invention relates to a single-pole modular contactor, which comprises a housing 1, an electromagnetic system 2 disposed in the housing 1, a contact system 3 disposed in the housing 1, coil terminal assemblies 4 disposed on both sides of the electromagnetic system 2 and electrically connected to the electromagnetic system 2, and a main terminal assembly 5 disposed on both sides of the contact system 3 and electrically connected to the contact system 3, wherein the housing 1 comprises a first side cover 11 and a second side cover 12 which are connected to each other, a first connecting cavity 13 for placing the coil terminal assembly 4 and a second connecting cavity 14 for placing the main terminal assembly 5 are formed between the first side cover 11 and the second side cover 12, a partition wall 15 is formed between the first connecting cavity 13 and the second connecting cavity 14, and the adjacent first connecting cavity 13 and the second connecting cavity 14 are arranged in a staggered manner, the first connecting cavity 13 is disposed on one side close to the first connecting cavity 11, the second connecting cavity 14 is arranged at one side close to the second side cover 12, the lower ends of two side surfaces of the shell 1 form a main wiring hole 16, two side surfaces of the first side cover 11 both inwards form a notch 17, a coil wiring hole 18 which is the same as the first connecting cavity 13 is formed on the notch 17, the electromagnetic system 2 comprises a coil frame 21, a coil 22 wound on the coil frame 21, a static iron core 23, a movable iron core 24 and an indicating piece 25 connected on the coil frame 21, a return spring 26 is arranged on the indicating piece 25, a side mounting hole 121 is formed at the position, facing the return spring 26, on the second side cover 12, a spring groove 122 corresponding to the side mounting hole 121 is formed on the second side cover 12, a convex column 251 is formed on the indicating piece 25, one end of the return spring 26 is connected on the convex column 251 of the indicating piece 25, and the other end of the return spring 26 is connected in the spring groove 122, a positioning block 112 and a positioning hole 113 are formed on the first side cover 11 or the second side cover 12, a positioning column 211 matched with the positioning hole 113 is formed on the coil frame 21, the coil frame 21 and the positioning block 112 are connected and matched, and the positioning column 211 and the positioning hole 113 are connected.
As shown in fig. 5 to 7, the coil terminal assembly 4 includes a first coil terminal 41 and a second coil terminal 42, the first coil terminal 41 is connected to a first terminal pin 43, one end of the first terminal pin 43 forms a downward bent inclined portion 431, a tilted groove 123 adapted to the inclined portion 431 is formed at a position facing the inclined portion 431 on the second side cover 12, the inclined portion 431 is connected in the tilted groove 123, the second coil terminal 42 is connected to a second terminal pin 44, one end of the second terminal pin 44 forms a flat portion 441, a support table 124 is formed at a position facing the flat portion 441 on the second side cover 42, the flat portion 441 is connected to the support table 124, the electromagnetic system 2 further includes a first elastic connecting piece 27 connected to one end of the coil 22, and a second elastic connecting piece 28 connected to the other end of the coil 22, one end of the first elastic connecting piece 27 is connected to a side surface of the first terminal pin 43, one end of the second elastic connecting piece 28 is connected to the flat portion 441 of the second connecting pin 44, the other end of the first connecting pin 43 extends upward to form a first inserting portion 432, the other end of the second connecting pin 44 extends upward to form a second inserting portion 442, inserting grooves 111 are formed in positions of the first side cover 11 corresponding to the first inserting portion 432 and the second inserting portion 442, and the first inserting portion 432 and the second inserting portion 442 are respectively connected to the inserting grooves 111.
According to the above embodiment, the utility model discloses monopole modular contactor is in order to accomplish big current monopole contactor in the limited casing in space, must guarantee that main binding post subassembly is big current specification (can normally work under 40A, 63A rated current), and contact system is the monopole sound contact of broad body also, because under the requirement of the electrical clearance between modular casing height, width and the conductive part, can't set up coil binding post in main binding post upper position with conventional, consequently make the first connection chamber with the second connection chamber make the staggered layout on the wiring axis position, with coil binding post relative casing axis (B-B in figure 3) to the side offset, same coil wiring hole also can be relative casing axis (B-B in figure 3) skew setting, and coil wiring hole leans on the interior setting to main binding post, make and adopt big specification main binding post, The coil wiring terminals can be assembled in the shell under the limitation of the height of the wide-body moving and static contacts and the height of the shell, and the partition walls can ensure that the adjacent coil wiring terminals and the main wiring terminals are electrically isolated.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. It is not necessary or necessary to exhaust all embodiments herein and obvious variations or modifications which fall within the spirit of the invention are intended to be covered by the scope of the invention.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221240.8U CN212303573U (en) | 2020-10-08 | 2020-10-08 | A unipolar modular contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022221240.8U CN212303573U (en) | 2020-10-08 | 2020-10-08 | A unipolar modular contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212303573U true CN212303573U (en) | 2021-01-05 |
Family
ID=73934081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022221240.8U Withdrawn - After Issue CN212303573U (en) | 2020-10-08 | 2020-10-08 | A unipolar modular contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212303573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111986958A (en) * | 2020-10-08 | 2020-11-24 | 乐清市邦建电器有限公司 | Single-pole modular contactor |
-
2020
- 2020-10-08 CN CN202022221240.8U patent/CN212303573U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111986958A (en) * | 2020-10-08 | 2020-11-24 | 乐清市邦建电器有限公司 | Single-pole modular contactor |
| CN111986958B (en) * | 2020-10-08 | 2025-05-23 | 乐清市邦建电器有限公司 | Monopole modulization contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20210105 Effective date of abandoning: 20250523 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20210105 Effective date of abandoning: 20250523 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |