CN204257512U - Contactor - Google Patents

Abstract

Contactors, including bases, covers, contact modules and rivets. The base is provided with a first boss on the side where the contact module is set, and the middle part of the first boss is inwardly recessed to form a first groove, and a first through hole is provided in the first groove through the first boss; The position opposite to the first boss is provided with a second boss, the middle part of the second boss is inwardly recessed to form a second groove, and the second groove is provided with a second through hole passing through the second boss; The middle position of the head module respectively extends two third bosses to match the first boss and the second boss. The two third protrusions matched with the two grooves, the center of the two third protrusions is provided with a third through hole passing through the two third protrusions and the two third protrusions; the rivet passes through the first through hole, the third through hole The second through hole and the third through hole rivet the base, the cover and the contact module together. The utility model provides a contactor with compact structure, high reliability and high sealing performance.

Description

contactor

technical field

The invention relates to the field of low-voltage electrical appliances, in particular to a contactor.

Background technique

At present, the contactor riveting (splicing) structure products adopt five-hole riveting, and there are obvious gaps at the stopper of the five-hole riveting product. There is no good space in the small space of the stopper attachment, the main contact and the terminal screw attachment. The fastening method avoids gaps in the splicing surfaces; the current riveting structure cannot well ensure the creepage distance between components.

Contents of the invention

The purpose of the utility model is to overcome the defects of the prior art and provide a contactor with compact structure, high reliability and high sealing performance.

In order to achieve the above object, the utility model adopts the following technical solutions:

A contactor, comprising a base 1, a cover 2, a contact module 3 and a rivet 4 arranged on one side of the base 1, characterized in that: the base 1 is provided with a first protrusion at the corresponding position where the contact module 3 is arranged Platform 11, the middle part of the first boss 11 is inwardly recessed to form a first groove 111, and a first through hole 112 passing through the first boss is provided in the first groove 111; the cover 2 is in contact with the first boss 11 is provided with a second boss 21, the middle of the second boss 21 is recessed inward to form a second groove 211, and the second groove 211 is provided with a second through hole 212 through the second boss 21 Two third bosses 33 cooperating with the first boss 11 and the second boss 21 respectively extend from the middle position of the contact module 3 to both sides, and the middle parts of the two third bosses 33 protrude outward to form Two third protrusions 331 cooperating with the first groove 111 and the second groove 211, the center of the two third protrusions 331 is provided with a second protrusion that runs through the two third protrusions 331 and the two third bosses 33 Three through holes 332; after the base 1 and cover 2 are assembled, the rivets 4 pass through the first through hole 112, the second through hole 212 and the third through hole 332 to rivet the base 1, the cover 2 and the contact module 3 together .

Further, five fourth bosses 22 are provided on the side where the cover 2 is connected to the base 1, two of which are provided at two corners of one end of the cover 2, and two are provided at the two side walls of the middle part of the cover 2, One is provided at the other end of the cover 2 at a corner far from the second boss 21, and at the other corner of the other end of the cover 2 is provided with a first slot 24 for installing the stopper 5; each The fourth boss 22 is recessed inwardly to form a third groove 221, and the third groove 221 is provided with a fourth through hole 222 passing through the fourth boss 22; A fourth boss 22 is provided with five fifth bosses 12, and a second draw-in groove 14 is arranged relative to the first draw-in groove 24. The middle part of each fifth boss 12 protrudes outward to form a fifth protrusion 121, and The center of the protrusion 121 is provided with a fifth through hole 122 passing through the fifth protrusion 121 and the fifth boss 12; the rivet 4 passes through the fourth through hole 222 and the fifth through hole 122 to rivet the cover 2 and the base 1 together .

Further, a stopper 5 is provided at the bottom of the side wall of the housing composed of the base 1 and the cover 2 , and the stopper 5 is located at one end close to the first boss 11 and the second boss 21 .

Further, the contact module 3 includes a mounting frame 35, and the mounting frame 35 is symmetrically provided with two terminal mounting slots 351 and two main contact slots 352, and the contact module 3 also includes two terminal blocks 31 and two main contacts 32, the two connecting terminals 31 are respectively arranged in the two installation grooves 351 at one end of the mounting frame 35, the two main contacts 32 are arranged in the two main contact slots 352, the main contacts One end of 32 is connected to the terminal 31, and the other end extends out of the mounting frame 35; a baffle 34 is provided between the ends of the two main contacts 32 extending out of the mounting frame 35; the third boss 33 is located in the middle of the mounting frame 35 Below the main contact 34.

Further, the height of the third protrusion 331 matches the height of the inner walls of the first groove 111 and the second groove 211 .

Further, the height of the fifth protrusion 121 matches the height of the inner wall of the third groove 221 .

Further, the base 1 is provided with a first limiting groove 13 for placing the terminal 31 of the contact module 3 , and the cover 2 is provided with a second limiting groove 23 for placing the terminal 31 of the contact module 3 ; The first limiting groove 13 and the second limiting groove 23 are set correspondingly to the terminal mounting grooves 351 on both sides of the mounting bracket 35 .

Further, the terminal mounting groove 351 of the mounting frame 35 of the contact module 3 includes a first side wall 353, one end of the first side wall 353 extends out of the first partition side wall 354, and the other end of the first side wall 353 is provided with a A second partition side wall 355 perpendicular to the first side wall 353; the cover 2 and the base 1 are respectively provided with a third side wall 353, the first partition side wall 354 and the second partition side wall 355 to cooperate with the installation; The side wall 25 and the fourth side wall 15; the first side wall 353, the first partition side wall 354, the second partition side wall 355, the third side wall 25 and the fourth side wall 15 together form a contactor placement contact In the housing at one end of the module 3 , two wiring windows are formed on both sides of the first partition side wall 354 , and two screw windows are formed on both sides of the second partition side wall 355 .

Further, one end of the rivet 4 is provided with a first rivet cap 41, and the other end is a second rivet cap 42 formed by riveting and flanging the flat end through riveting equipment to achieve fixing; the base 1 and cover 2 The outer side walls connected with the rivets 4 are respectively provided with fourth grooves corresponding to the second rivet cap 42 and the first rivet cap 41 .

The utility model solves the connection mode between the main contact and the narrow space near the connecting screw by designing the inlaid through hole between the base, the cover and the contact module and riveting and fixing it with a metal rivet, ensuring that the metal rivet and the main contact creepage distance between.

Description of drawings

Fig. 1 is a schematic diagram of the three-dimensional structure of the utility model contactor;

Fig. 2 is a schematic diagram of the planar structure of the utility model contactor;

Fig. 3 is a schematic diagram of the exploded structure of the utility model contactor;

Fig. 4 is a schematic diagram of the three-dimensional structure of the contact module of the utility model contactor;

Fig. 5 is a schematic plan view of the contact module of the utility model contactor;

Fig. 6 is a schematic structural view of the utility model contactor cover;

Fig. 7 is a structural schematic diagram of the contactor base of the present invention;

Fig. 8 is a schematic structural view of the contactor rivet of the present invention.

Detailed ways

The specific implementation of the contactor of the present invention will be further described below with reference to the embodiments given in Fig. 1 to Fig. 8 . The utility model contactor is not limited to the description of the following embodiments.

As shown in Figures 1-7, the contactor includes a base 1, a cover 2, a contact module 3 and a rivet 4 arranged on one side of the base 1, and the base 1 is provided with a The first boss 11, the middle part of the first boss 11 is inwardly recessed to form a first groove 111, and the first groove 111 is provided with a first through hole 112 passing through the first boss; the cover 2 is in contact with the second boss. A second boss 21 is provided at a position opposite to the boss 11, and the middle part of the second boss 21 is inwardly recessed to form a second groove 211, and a second groove 211 that runs through the second boss 21 is provided in the second groove 211. Through hole 212; two third bosses 33 cooperating with the first boss 11 and the second boss 21 respectively extend from the middle position of the contact module 3 to both sides, and the middle parts of the two third bosses 33 are outward Two third protrusions 331 are formed to cooperate with the first groove 111 and the second groove 211, and the two third protrusions 331 are respectively embedded in the first groove 111 and the second groove 211, so that The cooperation between the third protrusion 331 and the first groove 111 and the second groove 211 is more stable. The center of the two third protrusions 331 is provided with a third through hole 332 passing through the two third protrusions 331 and the two third bosses 33; after the base 1 and the cover 2 are assembled, the rivet 4 passes through the first through hole 112 , the second through hole 212 and the third through hole 332 rivet the base 1 , the cover 2 and the contact module 3 together. A third boss 33 is provided on the contact module to cooperate with the first boss 11 and the second boss 21 of the base 1 and the cover 2, and the third boss 331 and the first groove 111 and the second groove 211 form a The closed rivet installation channel can effectively ensure the creepage distance between the rivet and the main contact. The utility model solves the connection mode between the main contact and the narrow space near the connecting screw by designing the inlaid through hole between the base, the cover and the contact module and riveting and fixing it with a metal rivet, ensuring that the metal rivet and the main contact creepage distance between. It is obvious that the grooves are set on the third boss 33, and the corresponding protrusions are arranged on the first boss 11 and the second boss 21 to form a closed rivet installation channel, which is the same as this embodiment and also belongs to the utility model. protected range. Further, the height of the third protrusion 331 matches the height of the inner walls of the first groove 111 and the second groove 211, and the matching of the height means that the height of the third protrusion 331 is the same as that of the first groove. The inner walls of the first groove 111 and the second groove 211 have the same height or the height of the third protrusion 331 is slightly lower than the inner walls of the first groove 111 and the second groove 211 .

As shown in Figures 2, 3, and 6-7, five fourth bosses 22 are provided on the side where the cover 2 is connected to the base 1, two of which are located at two corners of one end of the cover 2, and two One is arranged on both side walls of the middle part of the cover 2, one is arranged at a corner of the other end of the cover 2 far away from the second boss 21, and an installation stopper is arranged at the other corner of the other end of the cover 2. 5’s first card slot 24; each fourth boss 22 is recessed inwardly to form a third groove 221, and the third groove 221 is provided with a fourth through hole 222 passing through the fourth boss 22; the base 1 On the side connected to the cover 2, five fifth bosses 12 are arranged opposite to the five fourth bosses 22, and a second draw-in groove 14 is arranged opposite to the first draw-in groove 24, and the middle part of each fifth boss 12 is outward. The fifth protrusions 121 are protrudingly formed, and the five fifth protrusions 121 are embedded in the third grooves 211 respectively, so that the cooperation between the fifth protrusions 121 and the third grooves 221 is more stable. The center of the fifth protrusion 121 is provided with a fifth through hole 122 passing through the fifth protrusion 121 and the fifth boss 12; the rivet 4 passes through the fourth through hole 222 and the fifth through hole 122 to rivet the cover 2 and the base 1 together. The height of the fifth protrusion 121 matches the height of the inner wall of the third groove 221, and the height matching means that the height of the fifth protrusion 121 is equal to the height of the inner wall of the third groove 221 or the fifth The height of the boss 121 is slightly lower than the height of the inner wall of the third groove 221 . This embodiment adopts a six-hole mosaic through-hole design, including 5 through holes arranged on the fourth boss 22 and the fifth boss 12 of the cover 2 and the base 1 and 1 through hole arranged on the first boss 11 and the fifth boss 12. The through holes on the second boss 21 and the third boss 33 of the contact module are riveted and fixed with metal rivets to solve the splicing gap between the housings, and also ensure the reliable installation of the stopper 5 .

As shown in Figures 1-7, the contact module 3 includes a mounting frame 35, and two terminal mounting grooves 351 and two main contact slots 352 are symmetrically provided on both sides of the mounting frame 35. The contact module 3 It also includes two connection terminals 31 and two main contacts 32, the two connection terminals 31 are respectively arranged in the two installation grooves 351 at one end of the installation frame 35, and the two main contacts 32 are arranged in the two main contact slots 352, one end of the main contact 32 is connected to the terminal 31, and the other end extends out of the mounting frame 35; a baffle 34 is provided between the ends of the two main contacts 32 extending out of the mounting frame 35; the third boss 33 It is located below the central main contact 34 of the installation frame 35 . The connecting terminal installation groove 351 of the mounting frame 35 of the contact module 3 includes a first side wall 353, one end of the first side wall 353 extends out of the first partition side wall 354, and the other end of the first side wall 353 is provided with a The second partition side wall 355 perpendicular to the side wall 353; the cover 2 and the base 1 are respectively provided with a third side wall that is installed in cooperation with the first side wall 353, the first partition side wall 354 and the second partition side wall 355 25 and the fourth side wall 15; the first side wall 353, the first partition side wall 354, the second partition side wall 355, the third side wall 25 and the fourth side wall 15 together form a contactor placement contact module 3 In the housing at one end, two wiring windows are formed on both sides of the first partition wall 354 , and two screw windows are formed on both sides of the second partition wall 355 . The contact module 3 of the utility model can be assembled with two connection terminals and main contacts at the same time, and cooperate with the cover 2 and the base 1 to form a housing of the contactor, which has a compact structure and high reliability.

During installation, the contact module 3 is placed under the side of the base 1, and the terminal 31 on one side of the contact module 3 is placed in the corresponding first limit groove 13 of the base 1. After the cover 2 is added, the contact The connecting terminal 31 on the other side of the module 3 is placed in the second limiting groove 23 of the cover 2, and the first limiting groove 13 and the second limiting groove 23 are connected with the connecting terminal mounting grooves on both sides of the mounting frame 35 respectively. 351 are set correspondingly; the third protrusion 331 of the contact module 3 is respectively embedded in the second groove 211 of the cover 2 and the first groove 111 of the base 1, and the other five fifth protrusions 121 set in the base 1 are respectively Embedding in the five third grooves in the cover 2 completes the assembly of the cover 2 and the base 1; , the cover 2 and the contact module 3 are riveted together; the other five rivets 4 respectively pass through the five fourth through holes 222 of the cover 2 and the five fifth through holes 122 of the base 1 to rivet the cover 2 and the base 1 Together, one end of the rivet 4 is provided with a first rivet cap 41, and the other end is a flush end. After the flush end passes through the cover 2 and the base 1, it is riveted by riveting equipment and then flanged to form a rivet cap similar to the first rivet cap. The second rivet cap 42 of 41, after the rivet 4 is riveted, the first rivet cap 41 and the second rivet cap 42 are respectively embedded in the fourth groove corresponding to the outer side wall of the cover 2 and the base 1; One end of the boss 11 and the second boss 21 is provided with a stopper 5 .

The utility model adopts a six-hole inlaid through-hole design, and uses metal rivets to fix the joint gap between the shells, ensuring the creepage distance between the metal rivet and the main contact and the creepage distance of the internal components of the contactor. In particular, it provides a connection method in a narrow space near the main contact and the terminal screw, which solves the splicing gap of the attachment housing of the stopper, and has a compact structure, high reliability, and high sealing performance.

The above content is a further detailed description of the utility model in combination with specific preferred embodiments, and it cannot be assumed that the specific implementation of the utility model is only limited to these descriptions. For a person of ordinary skill in the technical field to which the utility model belongs, without departing from the concept of the utility model, some simple deduction or substitutions can also be made, which should be regarded as belonging to the protection scope of the utility model.

Claims (9)

1. A contactor, comprising a base (1), a cover (2), a contact module (3) and a rivet (4) arranged on one side of the base (1), characterized in that: the base (1) is A first boss (11) is provided on the corresponding position where the contact module (3) is set, and the middle part of the first boss (11) is recessed inwardly to form a first groove (111), and the inside of the first groove (111) is A first through hole (112) that runs through the first boss is provided; the cover (2) is provided with a second boss (21) at a position opposite to the first boss (11), and the second boss ( 21) The middle part is inwardly recessed to form a second groove (211), and a second through hole (212) passing through the second boss (21) is provided in the second groove (211); the contact module (3) Two third bosses (33) cooperating with the first boss (11) and the second boss (21) are respectively extended from the middle position to both sides, and the middle parts of the two third bosses (33) protrude outward Two third protrusions (331) are formed to cooperate with the first groove (111) and the second groove (211), and the centers of the two third protrusions (331) are provided with two third protrusions ( 331) and the third through hole (332) of the two third bosses (33); after the base (1) and cover (2) are assembled, the rivet (4) passes through the first through hole (112), the second The through hole (212) and the third through hole (332) rivet the base (1), the cover (2) and the contact module (3) together. 2. The contactor according to claim 1, characterized in that five fourth bosses (22) are provided on the side where the cover (2) is connected to the base (1), two of which are located on the cover Two corners at one end of (2), two are arranged on the side walls of the middle part of the cover (2), and one is arranged at a corner far from the second boss (21) at the other end of the cover (2), The other corner of the other end of the cover (2) is provided with a first draw-in groove (24) for installing a stopper (5); each fourth boss (22) is inwardly recessed to form a third groove ( 221), the third groove (221) is provided with a fourth through hole (222) that runs through the fourth boss (22); on the side where the base (1) is connected with the cover (2), the five first The four bosses (22) are provided with five fifth bosses (12), and a second draw-in groove (14) is provided relative to the first draw-in groove (24), and the middle part of each fifth boss (12) protrudes outward to form The fifth protrusion (121), the center of the fifth protrusion (121) is provided with the fifth through hole (122) passing through the fifth protrusion (121) and the fifth boss (12); the rivet (4) passes through the fifth The four through holes (222) and the fifth through hole (122) rivet the cover (2) and the base (1) together. 3. The contactor according to claim 1 or 2, characterized in that: a stopper (5) is provided at the bottom of the shell side wall composed of the base (1) and the cover (2), and the stopper ( 5) Located at one end close to the first boss (11) and the second boss (21). 4. The contactor according to claim 1, characterized in that: the contact module (3) includes a mounting frame (35), and two wiring terminal mounting grooves (351) are symmetrically provided on both sides of the mounting frame (35) and two main contact slots (352), the contact module (3) also includes two wiring terminals (31) and two main contacts (32), and the two wiring terminals (31) are respectively arranged on the installation In the two mounting slots (351) at one end of the frame (35), the two main contacts (32) are located in the two main contact slots (352), and one end of the main contacts (32) is connected to the terminal (31) connection, the other end extends out of the mounting frame (35); a baffle (34) is set between the ends of the two main contacts (32) extending out of the mounting frame (35); the third boss (33) is located at the mounting Below the main contact (34) in the middle of the frame (35). 5. The contactor according to claim 1, characterized in that: the height of the third protrusion (331) matches the height of inner walls of the first groove (111) and the second groove (211). 6. The contactor according to claim 1, characterized in that: the height of the fifth protrusion (121) matches the height of the inner wall of the third groove (221). 7. The contactor according to claim 4, characterized in that: the base (1) is provided with a first limiting groove (13) for placing the terminal (31) of the contact module (3), the The cover (2) is provided with a second limit groove (23) for placing the terminal (31) of the contact module (3); the first limit groove (13) and the second limit groove (23) Correspondingly arranged with the connecting terminal installation slots (351) on both sides of the installation frame (35) respectively. 8. The contactor according to claim 4, characterized in that: the terminal mounting slot (351) of the contact module (3) mounting frame (35) includes a first side wall (353), the first side wall One end of (353) extends the first partition side wall (354), and the other end of the first side wall (353) is provided with the second partition side wall (355) perpendicular to the first side wall (353); (2) and the base (1) are respectively provided with the third side wall (25) and the fourth Side wall (15); The first side wall (353), the first partition side wall (354), the second partition side wall (355), the third side wall (25) and the fourth side wall (15) are common The housing at one end of the contactor is placed on the contact module (3), two wiring windows are formed on both sides of the first partition side wall (354), and two screw windows are formed on both sides of the second partition side wall (355). 9. The contactor according to claim 1, characterized in that: one end of the rivet (4) is provided with a first rivet cap (41), and the other end is formed by riveting and flanging the flush end through riveting equipment The second rivet cap (42) of the base (42) is used to achieve the fixing effect; the outer side wall connected with the rivet (4) of the base (1) and the cover (2) is respectively provided with the second rivet cap (42) and the first rivet cap (41) the corresponding fourth groove.