CN210897133U

CN210897133U - AC contactor

Info

Publication number: CN210897133U
Application number: CN201922139614.9U
Authority: CN
Inventors: 高松桂; 程虎忠
Original assignee: Wenzhou Yuanda Electric Appliance Co ltd
Current assignee: Wenzhou Yuanda Electric Appliance Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-06-30
Anticipated expiration: 2029-12-03

Abstract

The utility model relates to an AC contactor, which relates to the technical field of electrical equipment and comprises an upper end part, a central part and a base, wherein a plurality of containing cavities are arranged on the central part, one end of each containing cavity, which is close to the base, is provided with a static contact, one end of each containing cavity, which is close to the upper end part, is provided with a communicating hole, a fixing mechanism is arranged in the communicating hole, the fixing mechanism comprises an inserting column and a strip connecting terminal, the strip connecting terminal is inserted into the communicating hole, the strip connecting terminal is fixedly arranged on the inserting column, the inner cavity wall of each containing cavity, which faces to the opening part of the containing cavity, is fixedly provided with a stabilizing plate, one end of the static contact, which is deviated from the inserting column, is fixedly provided with a spring plate, the other end of the spring plate is fixedly connected with the bottom end of, the connecting and the dismounting of the electric wire and the alternating current contactor are facilitated.

Description

AC contactor

Technical Field

The utility model belongs to the technical field of electrical equipment's technique and specifically relates to an alternating current contactor is related to.

Background

At present ac contactor wide application has been discussed to intelligent ac contactor in the present document, zhan bei lamp utility model's utility model combined type intelligent ac contactor (patent number is ZL200420064928.8) has introduced the scheme that adopts microprocessor control two ac contactor, and first ac contactor contact device only has a phase contact, only switches on and shunts a phase current, and second ac contactor contact device has two-phase contact, can switch on the segmentation two-phase current respectively. The three-phase contact current is divided near the zero crossing.

At present, chinese patent publication No. CN201138644Y in the prior art discloses a high-performance combined intelligent ac contactor, which includes a first ac contactor contact device and an electromagnetic mechanism for connecting or disconnecting a first open-phase, and a second ac contactor contact device and an electromagnetic mechanism for connecting or disconnecting a second open-phase.

The above prior art solutions have the following drawbacks: when using at every turn, all need insert the electric wire to AC contactor inside, adopt the screwdriver again to realize the fixed to the electric wire through the mode of screwing up the screw, cause the trouble, and when having a plurality of tie points to need connect the electric wire on AC contactor, need connect the electric wire or dismantle the electric wire to every tie point in proper order, it is comparatively troublesome, still remain to improve.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an alternating current contactor, it need not to realize just being connected between electric wire and the alternating current contactor through the instrument, and the electric wire of being convenient for and alternating current contactor's connection and dismantlement.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: including upper end portion, central part and base, it has a plurality of chambeies to open on the central part, the one end that holds the chamber and be close to the base is provided with the static contact, the one end that holds the chamber and be close to the upper end is opened there is the intercommunicating pore, be provided with fixed establishment in the intercommunicating pore, fixed establishment is including inserting post and rectangular binding post, it inserts to the intercommunicating pore in to have, insert the fixed rectangular binding post that is provided with on the post, hold the chamber towards holding the fixed firm board that is provided with on the inner chamber wall of chamber opening part, the static contact deviates from the fixed shell fragment that is provided with of one end of inserting the post, the other end and the chamber bottom fixed connection of shell fragment, when no external force.

By adopting the technical scheme, when the alternating current contactor is needed to be used, the electric wire is firstly inserted into the containing cavity, the inserting column is moved towards one end close to the static contact until the strip-shaped wiring terminal is contacted with the static contact, the elastic sheet is extruded by the strip-shaped wiring terminal at the moment, the static contact is driven to move so as to increase the gap between the static contact and the stabilizing plate, when the gap between the contact and the stabilizing plate is enough for the strip-shaped wiring terminal to pass through, the inserting column is rotated again, the strip-shaped wiring terminal is embedded between the static contact and the stabilizing plate, and the two ends of the strip-shaped wiring terminal are respectively mutually abutted with the static contact and the stabilizing.

The utility model discloses further set up to: part of the solid body of the insertion column penetrates out of the communication hole, and the part of the solid body of the insertion column, which is exposed out of the central part, is fixedly connected with a rotating rod.

Through adopting above-mentioned technical scheme, compare in single circular shape insert the pole, the staff can be convenient for rotate the insert post through the edges and corners of dwang to inserting the post application of force. And the position of the strip wiring terminal inside at this time can be observed by observing the position of the rotating rod.

The utility model discloses further set up to: the part of the insertion column exposed out of the central part is sleeved with a plastic sleeve.

Through adopting above-mentioned technical scheme, prevent that the staff from directly taking place dangerous accident with the electrical contact under the condition of maloperation, the plastic sheath has the effect of protection staff.

The utility model discloses further set up to: one side of the accommodating cavity close to the upper end is provided with a spring groove communicated with the communicating hole, the groove bottom of the spring groove is fixedly connected with an extrusion spring, and the other end of the extrusion spring is fixedly connected with one end of the insertion column close to the strip-shaped wiring terminal.

Through adopting above-mentioned technical scheme, when need not use ac contactor, rotate and insert the post and make and insert the post not with firm groove contact, the shrink of extrusion spring this moment, make and insert the direction removal of post orientation upper end, simultaneously because the shifting up of inserting the post makes that the staff can more audio-visual looking over be that which circuit does not have connecting wire, when using ac contactor, insert the electric wire to holding the chamber in, rotate again and insert the post, make and insert post and firm board butt, the extrusion spring is stretched this moment, apply the elasticity of an orientation upper end to rectangular binding post, the design of extrusion spring still has the effect of strengthening stability between rectangular binding post and the firm board, make the more stable electric wire that presses of rectangular binding post.

The utility model discloses further set up to: the spring plate is fixedly provided with a pressing sheet towards one end of the cavity opening of the containing cavity.

Through adopting above-mentioned technical scheme, staff's accessible is according to the pressure piece, exerts an external force to the shell fragment earlier for the shell fragment is towards the bottom extrusion that holds the chamber, is convenient for increase static contact and the space between the firm board, and the rectangular binding post of being convenient for rotates to static contact and firm board and with static contact and firm mutual butt fixed electric wire of board.

The utility model discloses further set up to: one end of the stabilizing plate facing the static contact is provided with a groove for inserting the strip-shaped wiring terminal.

Through adopting above-mentioned technical scheme, when rectangular binding post inserted to the recess in the time of, the shell fragment can be because rectangular binding post's removal removes to the direction of static contact, recovers slightly, has the recess through opening for rectangular binding post inserts to the recess in, has the effect of further strengthening and stabilizing rectangular binding post, inserts through rectangular binding post moreover and has the effect of avoiding the excessive deformation of shell fragment to the recess in.

The utility model discloses further set up to: the strip-shaped wiring terminal is characterized in that one end, facing the stabilizing plate, of the strip-shaped wiring terminal is provided with a conical groove, one end, facing the static contact, of the stabilizing plate is fixedly provided with a conical block inserted into the conical groove, and the conical block is located in the groove.

Through adopting above-mentioned technical scheme, when rectangular binding post inserted to the recess in, the toper piece inserted to the taper shaped groove in, had the effect of strengthening rectangular binding post and stablizing in the recess.

The utility model discloses further set up to: and one side of the static contact, which faces the strip wiring terminal, is provided with a sunken area.

Through adopting above-mentioned technical scheme, when the electric wire has not connected into the appearance intracavity, compare in the planar design of static contact, the depressed area has the effect that the electric wire of being convenient for inserts between static contact and the firm board, and when rotating rectangular binding post, because the electric wire is located the depressed area, reduces rectangular binding post and rectangular binding post's area of contact, and the design of depressed area still has the effect that prevents the position of electric wire and receive.

To sum up, in the utility model, when the electric wire is needed to be used, the electric wire is firstly inserted into the containing cavity, the spring plate is pressed by the pressing sheet, the spring plate is pressed by force and drives the static contact to move to enlarge the space between the static contact and the stabilizing plate, the hand of a worker pushes the inserting column to the direction close to the static contact through the contact with the rotating rod, the strip wiring terminal fixedly connected on the inserting column is contacted with the static contact, the extrusion elastic sheet is stretched at the moment, then the rotating rod is rotated to drive the inserting column to rotate, so that the strip wiring terminal just rotates into a gap between the contact and the stabilizing plate, and finally the pressing piece is released, the elastic piece moves towards the direction close to the stabilizing plate and slightly lifts the strip wiring terminal, so that the strip wiring terminal is inserted into the groove, and the tapered block is inserted into the tapered slot in a proper manner to fix the strip wiring terminal.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of a partial structure of the convex cavity of the present invention.

Fig. 3 is a schematic sectional view of the present invention showing the partial structure after the insertion post is pressed.

Fig. 4 is a schematic sectional view showing a partial structure of the non-pressed insertion column of the present invention.

Reference numerals: 1. an upper end portion; 2. a central portion; 3. a base; 4. a cavity; 5. static contact; 6. a communicating hole; 7. a fixing mechanism; 8. inserting the post; 9. a strip wiring terminal; 10. a spring plate; 11. a stabilizing plate; 12. rotating the rod; 13. a plastic sheath; 14. a spring slot; 15. a compression spring; 16. pressing the sheet; 17. a groove; 18. a tapered groove; 19. a conical block; 20. a recessed region.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses an ac contactor, including upper end 1, central part 2 and base 3, it has a plurality of chambeies 4 to open on the central part 2, and the one end that holds chamber 4 and be close to base 3 is provided with static contact 5, holds the one end that chamber 4 is close to upper end 1 and opens and have intercommunicating pore 6, is provided with fixed establishment 7 in the intercommunicating pore 6.

Referring to fig. 2 and 3, the fixing mechanism 7 includes an insertion column 8 and a strip-shaped wiring terminal 9, the insertion column 8 is inserted into the communicating hole 6, the strip-shaped wiring terminal 9 is fixedly arranged at one end of the insertion column 8, which is inserted into the accommodating cavity 4, a stabilizing plate 11 is fixedly arranged on the inner cavity wall of the accommodating cavity 4, which faces the opening of the accommodating cavity 4, an elastic sheet 10 is fixedly arranged at one end of the static contact 5, which faces the base 3, the other end of the elastic sheet 10 is fixedly connected with the bottom end of the accommodating cavity 4, a spring groove 14 communicated with the communicating hole 6 is formed at one side of the accommodating cavity 4, which is close to the upper end portion 1, an extrusion spring 15 is fixedly connected to the bottom of the spring groove. The side of the static contact 5 facing the strip wiring terminal 9 is provided with a recessed area 20, when the electric wire is not connected into the accommodating cavity 4, compared with the planar design of the static contact 5, the recessed area 20 has the effect of facilitating the electric wire to be inserted between the static contact 5 and the stabilizing plate 11, and when the strip wiring terminal 9 is rotated, because the electric wire is located in the recessed area 20, the contact area between the strip wiring terminal 9 and the strip wiring terminal 9 is reduced, and the design of the recessed area 20 also has the function of preventing the position of the electric wire from being affected.

When the connector needs to be used, firstly, the electric wire is inserted into the containing cavity 4, then the pressing sheet 16 extrudes the elastic sheet 10, at this time, the elastic sheet 10 is stressed and drives the static contact 5 to move to enlarge the space between the static contact 5 and the stabilizing plate 11, the hand of a worker pushes the insertion column 8 towards the direction close to the static contact 5 through the contact with the rotating rod 12, so that the long strip wiring terminal 9 fixedly connected to the insertion column 8 is contacted with the static contact 5, at this time, the extrusion elastic sheet 10 is stretched, then the rotating rod 12 is rotated to drive the insertion column 8 to rotate, so that the long strip wiring terminal 9 just rotates into the gap between the contact and the stabilizing plate 11, finally, the pressing sheet 16 is released, the elastic sheet 10 moves towards the direction close to the stabilizing plate 11 and slightly lifts the long strip wiring terminal 9, so that the long strip wiring terminal 9 is inserted into the groove 17, referring to figures 3 and 4, the end of the stabilizing, a conical block 19 fixedly connected with the stabilizing plate 11 is fixedly arranged in the groove 17, and a conical groove 18 for conical span insertion is formed in one end, facing the stabilizing plate 11, of the long connecting terminal 9, so that the effect of fixing the electric wire is achieved.

When the strip terminals 9 are inserted into the recesses 17, the tapered blocks 19 are properly aligned with the tapered slots 18 and inserted into the tapered slots 18, and the strip terminals 9 are stabilized in the recesses 17 by the engagement of the tapered slots 18 with the tapered blocks 19. When rectangular binding post 9's both ends butt in firm board 11 and static contact 5, at this moment, shell fragment 10 can move to static contact 5's direction because rectangular binding post 9's removal, recovers slightly, has recess 17 through opening for rectangular binding post 9 inserts to the recess 17 in, has the effect of further strengthening stable rectangular binding post 9, inserts through rectangular binding post 9 and has the effect of avoiding the excessive deformation of shell fragment 10 in recess 17 in addition.

Referring to fig. 1 and 2, a part of the solid of the insertion column 8 penetrates through the communication hole 6, a rotating rod 12 is fixedly connected to the part of the solid of the insertion column 8 exposed out of the central portion 2, and a plastic sleeve 13 is sleeved on the part of the solid of the insertion column 8 exposed out of the central portion 2, so that the plastic sleeve 13 prevents a worker from being in direct electrical contact with the worker under the condition of misoperation to cause a dangerous accident, and has the function of protecting the worker. And the design of dwang 12 is compared with the round inserted bar alone, and the staff can insert the post 8 application of force through the edges and corners of dwang 12, is convenient for rotate and inserts post 8. And the position of the elongated terminal 9 inside at this time can be observed by observing the position of the rotating lever 12.

Referring to fig. 2 and 3, the elastic sheet 10 is fixedly provided with a pressing piece 16 towards one end of the cavity opening of the accommodating cavity 4, and an external force is applied to the elastic sheet 10 through the pressing piece 16 by a worker, so that the elastic sheet 10 is extruded towards the bottom end of the accommodating cavity 4, the gap between the static contact 5 and the stabilizing plate 11 is conveniently increased, and the strip-shaped wiring terminal 9 is conveniently rotated to the static contact 5 and the stabilizing plate 11 and is mutually abutted against the static contact 5 and the stabilizing plate 11 to fix the wire.

The implementation principle of the embodiment is as follows: when the connector needs to be used, firstly, the electric wire is inserted into the containing cavity 4, then the elastic sheet 10 is extruded by the pressing sheet 16, at the moment, the elastic sheet 10 is stressed and drives the static contact 5 to move to enlarge the space between the static contact 5 and the stabilizing plate 11, the hand of a worker pushes the insertion column 8 towards the direction close to the static contact 5 through the contact with the rotating rod 12, so that the long strip wiring terminal 9 fixedly connected to the insertion column 8 is contacted with the static contact 5, at the moment, the extruded elastic sheet 10 is stretched, then the rotating rod 12 is rotated to drive the insertion column 8 to rotate, so that the long strip wiring terminal 9 just rotates into the gap between the contact and the stabilizing plate 11, finally, the pressing sheet 16 is released, the elastic sheet 10 moves towards the direction close to the stabilizing plate 11 and slightly lifts the long strip wiring terminal 9, so that the long strip wiring terminal 9 is inserted into the groove 17, the strip terminals 9 are fixed. When the electric wire does not need to be pulled out, the elastic sheet 10 is extruded through the pressing sheet 16, the strip wiring terminal 9 is moved out of the groove 17, the insertion column 8 is rotated to enable the strip wiring terminal 9 to rotate, the stretched extrusion spring 15 recovers and drives the strip wiring terminal 9 to move, the insertion column 8 moves towards the direction close to the upper end portion 1, and the height of the insertion column 8 is higher than that of the insertion column 8 in use. The connection between the electric wire and the alternating current contactor can be realized without a tool, and the connection and the disassembly of the electric wire and the alternating current contactor are convenient.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an alternating current contactor, including upper end portion (1), central part (2) and base (3), it has a plurality of chambeies (4) to open on central part (2), the one end that holds chamber (4) and be close to base (3) is provided with static contact (5), the one end that holds chamber (4) is close to upper end portion (1) is opened there is intercommunicating pore (6), its characterized in that: be provided with fixed establishment (7) in intercommunicating pore (6), fixed establishment (7) are including inserting post (8) and rectangular binding post (9), it has to insert in intercommunicating pore (6) to insert post (8), it is provided with rectangular binding post (9) to insert to fix on post (8), hold chamber (4) towards holding the chamber wall of chamber (4) opening part on the fixed plate (11) that is provided with, static contact (5) deviate from the fixed shell fragment (10) that is provided with of one end of inserting post (8), the other end and the chamber (4) bottom fixed connection of shell fragment (10), when no exogenic action, not enough rectangular binding post (9) of space between solid plate (11) and static contact (5) pass.

2. An ac contactor as claimed in claim 1, wherein: part of the entity of the insertion column (8) penetrates out of the communication hole (6), and a rotating rod (12) is fixedly connected to the entity of the part of the insertion column (8) exposed out of the central part (2).

3. An ac contactor as claimed in claim 2, wherein: the part of the insertion column (8) exposed out of the central part (2) is sleeved with a plastic sleeve (13).

4. An ac contactor as claimed in claim 1, wherein: one side of the accommodating cavity (4) close to the upper end portion (1) is provided with a spring groove (14) communicated with the communicating hole (6), the groove bottom of the spring groove (14) is fixedly connected with an extrusion spring (15), and the other end of the extrusion spring (15) is fixedly connected with one end of the insertion column (8) close to the strip-shaped wiring terminal (9).

5. An ac contactor as claimed in claim 4, wherein: one end of the elastic sheet (10) facing the cavity opening of the cavity (4) is fixedly provided with a pressing sheet (16).

6. An ac contactor as claimed in claim 1, wherein: one end of the stabilizing plate (11) facing the static contact (5) is provided with a groove (17) for inserting the strip wiring terminal (9).

7. An ac contactor as claimed in claim 5, wherein: the strip-shaped wiring terminal (9) is provided with a tapered groove (18) towards one end of the stabilizing plate (11), a tapered block (19) inserted into the tapered groove (18) is fixedly arranged at one end of the stabilizing plate (11) towards the static contact (5), and the tapered block (19) is positioned in the groove (17).

8. An ac contactor as claimed in claim 1, wherein: and one side of the static contact (5) facing the strip wiring terminal (9) is provided with a concave area (20).