CN209895990U

CN209895990U - Low-loss AC output contactor

Info

Publication number: CN209895990U
Application number: CN201920888258.8U
Authority: CN
Inventors: 曹小锋; 王永明
Original assignee: Xi'an Baitai Electric Co Ltd
Current assignee: Xi'an Baitai Electric Co Ltd
Priority date: 2019-06-13
Filing date: 2019-06-13
Publication date: 2020-01-03
Anticipated expiration: 2029-06-13

Abstract

The utility model discloses a low-loss alternating current output contactor, which comprises a contactor body, wherein a fixed block is arranged on the left surface of the contactor body, a stabilizing block, a limiting piece and a first spring are symmetrically arranged in the fixed block, a first sliding rod is symmetrically arranged on the fixed block, the first sliding rod is respectively positioned at the upper part and the lower part of the fixed block, a stabilizing plate is arranged on the first sliding rod, a second sliding rod and a second spring are arranged on the surface of the stabilizing plate, which is deviated from the contactor body, a limiting plate is arranged on the surface of the stabilizing plate, which corresponds to the contactor body, a third spring and a third sliding block are arranged in the limiting plate, a third sliding rod is arranged on the surface of the limiting plate, and a limiting block is arranged on the third sliding rod; the wire that the contactor is connected is located between limiting plate and the stopper and is located the second half-round groove and stabilize, avoids the wire to connect unstably, and the wire is crooked so that the shell of wire breaks the electric leakage and breaks down.

Description

Low-loss AC output contactor

Technical Field

The utility model belongs to the technical field of electricity electrical apparatus device, concretely relates to low-loss AC output contactor.

Background

Contactors are classified into alternating current contactors (voltage AC) and direct current contactors (voltage DC), and are applied to electric power, distribution, and power utilization occasions. The contactor is an electric appliance which utilizes a coil to flow current to generate a magnetic field in industrial electricity to close a contact so as to control a load, an alternating current contactor utilizes a main contact to control a circuit, an auxiliary contact is used for conducting a control loop, the low loss factor is realized, the main contact of the alternating current contactor is generally a normally open contact, the auxiliary contact is generally two pairs of normally open contacts and normally closed contacts, the contacts of the alternating current contactor are made of silver-tungsten alloy and have good conductivity and high-temperature ablation resistance, and the power of the action of the alternating current contactor is derived from the magnetic field generated by alternating current through a coil with an iron core.

The existing alternating current contactor has the problems that a connected lead can be bent to cause unstable connection and a shell can be cracked when in use, so that a low-loss alternating current output contactor is provided.

Disclosure of Invention

An object of the utility model is to provide a low-loss AC output contactor to there is the wire of connection to lead to connecting shakiness and the problem that the shell can break in the AC contactor who proposes when solving above-mentioned background art when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a low-loss AC output contactor, includes the contactor body, the left fixed block that is provided with on the surface of contactor body, the inside symmetry of fixed block is provided with stabilizing block, spacing piece and first spring, the symmetry is provided with first slide bar on the fixed block, just first slide bar is located the upper portion and the lower part of fixed block respectively, be provided with the stabilizing plate on the first slide bar, the surface that the stabilizing plate deviates from the contactor body is provided with second slide bar and second spring, the stabilizing plate is provided with the limiting plate with the corresponding on the surface of contactor body, the inside of limiting plate is provided with third spring and third sliding block, the surface of limiting plate is provided with the third slide bar, be provided with the stopper on the third slide bar.

Preferably, a stabilizing block and a fixed plate are fixedly arranged on the left side surface of the fixed block, the stabilizing block is located at the front side of the fixed plate, a sliding plate, a connecting column and a fourth spring are arranged between the stabilizing block and the fixed plate, and a second sliding block is arranged inside the stabilizing block.

Preferably, the stabilizing block is in a horizontal state, the fixed plate is in a vertical state, the sliding plate is attached to the fixed plate, the connecting column is located between the sliding plate and the stabilizing block, and the fourth spring is sleeved on the outer side of the connecting column.

Preferably, the opposite surfaces of the sliding plate and the fixed plate are provided with a plurality of first semicircular grooves, one end of the connecting column is connected with the sliding plate, the other end of the connecting column penetrates through the surface of the stabilizing block and is connected with the second sliding block, a cavity is arranged inside the stabilizing block, the second sliding block is located in the cavity, and the sliding plate slides along the width direction.

Preferably, the inside of fixed block is provided with movable chamber, two steady blocks, two spacing pieces and two first springs are located movable chamber, two spacing pieces distribute at movable chamber's tip position, first spring is located between steady block and the spacing piece, two steady block laminating, first slide bar passes the fixed block surface and is connected with the steady block, first spring cup joints the outside at first slide bar.

Preferably, the second slide bar sets to "T" type structure, the second slide bar pass the firm board and with limiting plate connection, the second spring cup joints in the second slide bar outside, the one end and the second slide bar of second spring are connected and the other end and firm board connection, the rectangle recess has been seted up to the front surface of firm board, the limiting plate includes horizontal part and vertical portion, the third spring is located with the third sliding block the inside of vertical portion.

Preferably, the third slide bar passes the surface of vertical portion on the limiting plate and is connected with the third sliding block, the other end and the stopper of third slide bar are connected, the stopper is the other end of stiff end and stopper with the one end that the third slide bar is connected for the expansion end.

Preferably, the third spring cup joints in the third slide bar outside, the third spring is located the position that is close to the stopper stiff end, second semicircular groove has all been seted up on both opposite surfaces of stopper and limiting plate, works as the expansion end of stopper is located same vertical plane with the firm board, in the expansion end embedding rectangle recess of stopper.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses limiting plate, stopper that set up, the wire that the contactor is connected is in between limiting plate and the stopper and lie in the second half-round groove firm, avoids the wire to connect the shakiness, and the wire is crooked so that the shell of wire breaks and leaks electricity and break down, reduces the emergence of trouble, improves the life of contactor.

(2) The utility model discloses the fixed plate, the sliding plate that set up, the part of the wire process that contactor connects is firm between fixed plate, sliding plate and lie in first semicircle inslot and stabilize, makes the wire arrange in order, does benefit to the differentiation wire and connects.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the sectional structure of the fixing block of the present invention;

fig. 3 is a schematic cross-sectional structural view of the limiting plate of the present invention;

FIG. 4 is a schematic sectional view of the stabilizing block of the present invention;

in the figure: 1. a contactor body; 2. a fixed block; 3. a first slide bar; 4. a stabilizing plate; 5. a second slide bar; 6. a second spring; 7. a limiting plate; 8. a limiting block; 9. a stabilizing block; 10. a limiting sheet; 11. a first spring; 12. a third slide bar; 13. a third spring; 14. a third slider; 15. a fixing plate; 16. a sliding plate; 17. connecting columns; 18. a fourth spring; 19. a first semicircular groove; 20. a second slider; 41. a rectangular groove; 71. a second semi-circular groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 4, the present invention provides a technical solution: a low-loss alternating current output contactor comprises a contactor body 1, a fixed block 2 is arranged on the surface of the left side of the contactor body 1, a stabilizing block 9 and a fixed plate 15 are fixedly arranged on the surface of the left side of the fixed block 2, the stabilizing block 9 is positioned at the front side of the fixed plate 15, a sliding plate 16, a connecting post 17 and a fourth spring 18 are arranged between the stabilizing block 9 and the fixed plate 15, the stabilizing block 9, a limiting piece 10 and a first spring 11 are symmetrically arranged in the fixed block 2, a first sliding rod 3 is symmetrically arranged on the fixed block 2, the first sliding rod 3 is respectively positioned at the upper part and the lower part of the fixed block 2, a stabilizing plate 4 is arranged on the first sliding rod 3, a second sliding rod 5 and a second spring 6 are arranged on the surface of the stabilizing plate 4, which is far away from the contactor body 1, a limiting plate 7 is arranged on the surface of the stabilizing plate 4, which corresponds to the contactor body 1, a third spring, the surface of limiting plate 7 is provided with third slide bar 12, is provided with stopper 8 on the third slide bar 12, and third slide bar 12 passes the surface of the vertical portion on limiting plate 7 and is connected with third sliding block 14, and the other end of third slide bar 12 is connected with stopper 8, and the one end that stopper 8 and third slide bar 12 are connected is the stiff end and the other end of stopper 8 is the expansion end.

In this embodiment, preferably, the second sliding block 20 is disposed inside the stabilizing block 9, the stabilizing block 9 is in a horizontal state, the fixing plate 15 is in a vertical state, the sliding plate 16 is attached to the fixing plate 15, the connecting column 17 is located between the sliding plate 16 and the stabilizing block 9, and the fourth spring 18 is sleeved on the outer side of the connecting column 17, so that the sliding plate 16 can slide along the width direction.

In this embodiment, preferably, three first semicircular grooves 19 have all been seted up on the opposite surface of sliding plate 16 and fixed plate 15, place the wire of overlength in first semicircular groove 19 and stabilize, avoid the wire too unordered and unstable, spliced pole 17 one end is connected with sliding plate 16 and the other end passes the surface of stabilizing block 9 and is connected with second sliding block 20, the inside of stabilizing block 9 is provided with the cavity, second sliding block 20 is located the cavity, be convenient for second sliding block 20 slides in the cavity.

In this embodiment, preferably, the inside of fixed block 2 is provided with the activity chamber, two steady pieces 9, two spacing pieces 10 and two first springs 11 are located the activity intracavity, two spacing pieces 10 distribute at the tip position in activity chamber, first spring 11 is located between steady piece 9 and the spacing piece 10, two steady piece 9 laminating, first slide bar 3 passes fixed block 2 surface and is connected with steady piece 9, first spring 11 cup joints the outside at first slide bar 3, do benefit to first slide bar 3 and slide along vertical direction.

In this embodiment, it is preferred, second slide bar 5 sets to "T" type structure, second slide bar 5 passes steadying board 4 and is connected with limiting plate 7, second spring 6 cup joints in the second slide bar 5 outside, the one end of second spring 6 is connected and the other end is connected with steadying board 4 with second slide bar 5, rectangular groove 41 has been seted up to steadying board 4's front surface, limiting plate 7 includes horizontal part and vertical portion, third spring 13 is located the inside of vertical portion with third sliding block 14, be convenient for stopper 8 and steadying board 4 block are connected and spacing stopper 8.

In this embodiment, it is preferred, third spring 13 cup joints in the 12 outsides of third slide bar, and third spring 13 is located the position that is close to stopper 8 stiff end, and four second semicircular grooves 71 have all been seted up on stopper 8 and the opposite surface of limiting plate 7, and when stopper 8's expansion end and steadying plate 4 were located same vertical plane, the expansion end embedding rectangle recess 41 of stopper 8 was in, made the wire stabilize in second semicircular groove 71, avoided the wire bending to lead to the shell to break.

The utility model discloses a theory of operation and use flow: when the alternating current output contactor is used and connected with a lead, the fixing plate 4 is held to move up and down respectively, the first sliding rod 3 is driven, the first spring 11 is in a contraction state, the second sliding rod 5 is pressed rightwards, the second spring 6 is in a contraction state, the contactor body 1 is positioned between the two limiting plates 7, the second sliding rod 5 and the fixing plate 4 are loosened, the second spring 6 and the first spring 11 are stretched from the contraction state, the limiting plates 7 are fixed at the upper side and the lower side of the contactor body 1, the lead is connected with the contactor body 1, the limiting block 8 is pulled, the third sliding rod 12 is driven, the third spring 13 is in a contraction state, the movable end of the limiting block 8 is rotated to be positioned on the same vertical plane with the fixing plate 4, the limiting block 8 is loosened, the third spring 13 is stretched from the contraction state, the limiting block 8 moves, and the movable end of the limiting block 8 is embedded into the rectangular groove 41, at this time, the wire is stabilized between the limiting plate 7 and the limiting block 8 and is located in the second semicircular groove 71, so that the wire is prevented from being bent to break the shell of the wire.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low-loss AC output contactor, includes contactor body (1), its characterized in that: the left fixed block (2) that is provided with on the surface of contactor body (1), the inside symmetry of fixed block (2) is provided with stabilizing block (9), spacing piece (10) and first spring (11), the symmetry is provided with first slide bar (3) on fixed block (2), just first slide bar (3) are located the upper portion and the lower part of fixed block (2) respectively, be provided with stabilizing plate (4) on first slide bar (3), the surface that stabilizing plate (4) deviates from contactor body (1) is provided with second slide bar (5) and second spring (6), stabilizing plate (4) and contactor body (1) corresponding are provided with limiting plate (7) on the surface, the inside of limiting plate (7) is provided with third spring (13) and third sliding block (14), the surface of limiting plate (7) is provided with third slide bar (12), and a limiting block (8) is arranged on the third sliding rod (12).

2. A low loss ac output contactor as claimed in claim 1, wherein: the left side fixed surface of fixed block (2) is provided with stabilizing block (9) and fixed plate (15), stabilizing block (9) are located the front side position of fixed plate (15), be provided with between stabilizing block (9) and fixed plate (15) sliding plate (16), spliced pole (17) and fourth spring (18), the inside of stabilizing block (9) is provided with second sliding block (20).

3. A low loss ac output contactor as claimed in claim 2, wherein: the fixing block (9) is in a horizontal state, the fixing plate (15) is in a vertical state, the sliding plate (16) is attached to the fixing plate (15), the connecting column (17) is located between the sliding plate (16) and the fixing block (9), and the fourth spring (18) is sleeved on the outer side of the connecting column (17).

4. A low loss ac output contactor as claimed in claim 3, wherein: the surface of the sliding plate (16) opposite to the fixed plate (15) is provided with a plurality of first semicircular grooves (19), one end of the connecting column (17) is connected with the sliding plate (16), the other end of the connecting column penetrates through the surface of the stabilizing block (9) and is connected with a second sliding block (20), a cavity is arranged in the stabilizing block (9), the second sliding block (20) is located in the cavity, and the sliding plate (16) slides along the width direction.

5. A low loss ac output contactor as claimed in claim 1, wherein: the inside of fixed block (2) is provided with movable chamber, two firm piece (9), two spacing piece (10) are located with two first spring (11) the activity intracavity, two spacing piece (10) distribute at the tip position in activity chamber, first spring (11) are located between firm piece (9) and spacing piece (10), two firm piece (9) laminating, first slide bar (3) are passed fixed block (2) surface and are connected with firm piece (9), first spring (11) cup joint the outside at first slide bar (3).

6. A low loss ac output contactor as claimed in claim 1, wherein: second slide bar (5) set to "T" type structure, second slide bar (5) pass firm board (4) and are connected with limiting plate (7), second spring (6) cup joint in second slide bar (5) outside, the one end and the second slide bar (5) of second spring (6) are connected and the other end and are connected with firm board (4), rectangle recess (41) have been seted up to the front surface of firm board (4), limiting plate (7) include horizontal part and vertical portion, third spring (13) and third sliding block (14) are located the inside of vertical portion.

7. A low loss ac output contactor as claimed in claim 6, wherein: third slide bar (12) pass the surface of vertical portion on limiting plate (7) and are connected with third sliding block (14), the other end and stopper (8) of third slide bar (12) are connected, the other end that stopper (8) and third slide bar (12) are connected is stiff end and stopper (8) is the expansion end.

8. A low loss ac output contactor as claimed in claim 7, wherein: third spring (13) cup joints in the third slide bar (12) outside, third spring (13) are located the position that is close to stopper (8) stiff end, second semicircular groove (71) have all been seted up on stopper (8) and limiting plate (7) opposite surface, work as the expansion end of stopper (8) is located same vertical plane with steadying board (4), in the expansion end embedding rectangle recess (41) of stopper (8).