CN218333631U

CN218333631U - Relay assembly for battery

Info

Publication number: CN218333631U
Application number: CN202222633031.3U
Authority: CN
Inventors: 郑俊涛; 杜楠; 丘辉斌; 陈玉运
Original assignee: Shenzhen Youneng New Energy Technology Co ltd
Current assignee: Shenzhen Youneng New Energy Technology Co ltd
Priority date: 2022-10-08
Filing date: 2022-10-08
Publication date: 2023-01-17
Anticipated expiration: 2032-10-08

Abstract

The utility model discloses a relay assembly for a battery, which comprises a relay shell and a battery coil, wherein the top of the relay shell is provided with an apron plate, a metal plug is arranged on the apron plate, the bottom of the metal plug is provided with a stationary contact block, the bottom of the relay shell is movably inserted with a movable iron core, the movable iron core is provided with a core shaft, a release spring is sleeved on the core shaft, the top of the core shaft is provided with a metal sheet, and a contact assembly convenient for tight connection is arranged between the metal sheet and the stationary contact block; the utility model discloses a sheetmetal is under the effect of release spring force, including the direction cooperation of guide bar, closely combines between the draw-in groove on fixture block on the stationary contact piece and the metal cassette, cooperation contact between semicircle arc groove and the semicircle arc piece simultaneously, and the parcel nature is stronger, and area of contact between the increase contact avoids traditional mode horizontal contact to lead to contact failure and cause surface defect, unevenness in long-term use to extension battery relay's life.

Description

Relay assembly for battery

Technical Field

The utility model relates to a technical field of relay specifically is a relay subassembly that battery was used.

Background

A relay is an electronic control device having a control system and a controlled system, typically used in an automatic control circuit, which is actually an "automatic switch" that uses a small current to control a large current. Therefore, the circuit plays the roles of automatic regulation, safety protection, circuit conversion and the like.

In the long-term use process of the battery relay, the conduction is generally carried out through the horizontal contact between the two metal contact blocks, the horizontal contact easily causes poor contact in long-term use, ablation can be caused on the surfaces of the contacts, and surface defects and unevenness are caused, so that the later-period battery relay is caused to be conducted and disabled.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a relay subassembly that battery was used to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a relay subassembly that battery was used, includes relay casing and battery coil, the top of relay casing is provided with the apron, is provided with the metal plug on the apron, and the bottom of metal plug is provided with the stationary contact piece, and the bottom activity of relay casing is pegged graft and is had the movable core, moves and is provided with the dabber on the iron core, has cup jointed release spring in the dabber, and the top of dabber is provided with the sheetmetal, is provided with the contact assembly of the zonulae occludens of being convenient for between sheetmetal and the stationary contact piece.

Preferably, the cross section of the cover plate is of a '21274', the top edge of the relay shell is provided with an annular groove, and the bottom of the cover plate is matched with the annular groove.

Preferably, the two sides of the metal sheet are movably inserted with guide rods, the guide rods are fixed on the relay shell, the two battery coils are respectively distributed on the two sides of the bottom of the relay shell, and the battery coils are provided with static magnetic poles.

Preferably, the contact assembly comprises a metal clamping seat, the metal clamping seat is welded on the metal sheet, a clamping groove is formed in the top of the metal clamping seat, and a metal contact block is arranged at the bottom of the static contact block.

Preferably, the cross section of the clamping groove is of an isosceles trapezoid structure, the two sides of the clamping groove are provided with semi-circular arc grooves, and the bottom of the metal contact block is provided with a clamping block.

Preferably, the clamping block and the clamping groove are matched with each other, the two sides of the clamping block are provided with semicircular arc blocks, and the semicircular arc blocks and the semicircular arc grooves are matched with each other and are in one-to-one correspondence.

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

the utility model discloses a sheetmetal is under the effect of release spring force, including the direction cooperation of guide bar, closely combines between the draw-in groove on fixture block on the stationary contact piece and the metal cassette, cooperation contact between semicircle arc groove and the semicircle arc piece simultaneously, and the parcel nature is stronger, and area of contact between the increase contact avoids traditional mode horizontal contact to lead to contact failure and cause surface defect, unevenness in long-term use to extension battery relay's life.

Drawings

Fig. 1 is a schematic structural diagram between the relay housing and the cover plate of the present invention.

Fig. 2 is the structure schematic diagram inside the relay housing of the present invention.

Fig. 3 is an enlarged schematic structural view of a point a in fig. 2 according to the present invention.

In the figure: 1. a relay housing; 11. an annular groove; 2. a battery coil; 3. a cover plate; 31. a metal plug; 4. a stationary contact block; 5. a movable iron core; 6. a mandrel; 7. releasing the spring; 8. a static magnetic pole; 9. a metal sheet; 91. a metal card holder; 92. a card slot; 93. a semi-circular arc groove; 94. a metal contact block; 95. a clamping block; 96. a semicircular arc block; 10. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a relay assembly for a battery comprises a relay shell 1 and a battery coil 2, wherein a cover plate 3 is installed at the top of the relay shell 1, a metal plug 31 is fixedly inserted into the cover plate 3, the cross section of the cover plate 3 is of a '21274' type structure, an annular groove 11 is formed in the edge of the top of the relay shell 1, the bottom of the cover plate 3 is matched with the annular groove 11, the cover plate 3 is fixed on the relay shell 1 through a plurality of screws, and a stepped sealing structure is formed between the cover plate 3 and the annular groove 11, so that the sealing performance between the cover plate 3 and the relay shell 1 is guaranteed.

Two battery coils 2 distribute in the both sides of relay casing 1 bottom respectively, the welding of the bottom of metal plug 31 has stationary contact piece 4, the activity of the bottom of relay casing 1 is pegged graft and is had movable iron core 5, it is fixed with dabber 6 on the iron core 5 to move, release spring 7 has been cup jointed on the dabber 6, install static magnetic pole 8 on the battery coil 2, the welding of the top of dabber 6 has sheetmetal 9, the principle of battery relay adds certain voltage for the both ends of battery coil 2 in this embodiment, will flow certain electric current in the battery coil 2, thereby produce the electromagnetic effect, sheetmetal 9 will overcome the pulling force that returns release spring 7 and inhale to moving iron core 5 under the effect of electromagnetic force attraction, thereby the movable contact that drives sheetmetal 9 attracts with stationary contact piece 4 actuation.

The two sides of the metal sheet 9 are movably inserted with guide rods 10, the guide rods 10 are fixed on the relay shell 1, when the movable contact of the metal sheet 9 and the fixed contact block 4 are attracted, the metal sheet 9 moves under the guide effect of the guide rods 10, the attraction between the movable contact orientation of the metal sheet 9 and the fixed contact block 4 is facilitated, and the possibility of deflection in long-term use is reduced.

Be provided with the contact assembly who is convenient for zonulae occludens between sheetmetal 9 and stationary contact piece 4, contact assembly includes metal cassette 91, metal cassette 91 welds on sheetmetal 9, draw-in groove 92 has been seted up at metal cassette 91's top, the bottom welding of stationary contact piece 4 has metal contact piece 94, the cross-section of draw-in groove 92 is isosceles trapezoid structure, semicircular arc groove 93 has all been seted up to the both sides of draw-in groove 92, the bottom welding of metal contact piece 94 has fixture block 95, match each other between fixture block 95 and the draw-in groove 92, the joint between fixture block 95 and the draw-in groove 92 of being convenient for, the parcel nature is stronger, semicircular arc piece 96 has all been welded to the both sides of fixture block 95, semicircular arc piece 96 is metal material, match and the one-to-one between semicircular arc piece 96 and the semicircular arc groove 93 each other, increase the area of contact between the contact.

When the battery relay is in actual use, a certain voltage is applied to two ends of the battery coil 2, a certain current flows in the battery coil 2, so that an electromagnetic effect is generated, the metal sheet 9 overcomes the pulling force of the return release spring 7 under the action of electromagnetic force attraction and is attracted to the movable iron core 5, the movable contact point of the metal sheet 9 is driven to be attracted to the fixed contact point block 4, when the movable contact point of the metal sheet 9 is attracted to the fixed contact point block 4, the metal sheet 9 moves under the guiding action of the guide rod 10, the clamping block 95 on the fixed contact point block 4 is tightly combined with the clamping groove 92 on the metal clamping seat 91, meanwhile, the semicircular arc groove 93 is in matched contact with the semicircular arc block 96, the wrapping performance is stronger, the contact area between contacts is increased, and the problem that the surface is damaged and uneven due to poor contact caused by the traditional horizontal contact in long-term use is avoided, so that the service life of the battery relay is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A relay assembly for a battery, comprising a relay housing (1) and a battery coil (2), characterized in that: the top of relay casing (1) is provided with apron (3), is provided with metal plug (31) on apron (3), and the bottom of metal plug (31) is provided with stationary contact piece (4), and the bottom activity of relay casing (1) is pegged graft and is had movable iron core (5), moves and is provided with dabber (6) on iron core (5), has cup jointed release spring (7) on dabber (6), and the top of dabber (6) is provided with sheetmetal (9), is provided with the contact assembly of the zonulae occludens of being convenient for between sheetmetal (9) and stationary contact piece (4).

2. A relay assembly for a battery according to claim 1, wherein: the cross section of the cover plate (3) is of a '21274', the edge of the top of the relay shell (1) is provided with an annular groove (11), and the bottom of the cover plate (3) is matched with the annular groove (11).

3. A relay assembly for a battery according to claim 1, wherein: the two sides of the metal sheet (9) are movably inserted with guide rods (10), the guide rods (10) are fixed on the relay shell (1), the two battery coils (2) are respectively distributed on the two sides of the bottom of the relay shell (1), and the battery coils (2) are provided with static magnetic poles (8).

4. A relay assembly for a battery according to claim 1, wherein: the contact assembly comprises a metal clamping seat (91), the metal clamping seat (91) is welded on the metal sheet (9), a clamping groove (92) is formed in the top of the metal clamping seat (91), and a metal contact block (94) is arranged at the bottom of the static contact block (4).

5. The relay assembly for a battery according to claim 4, wherein: the cross section of draw-in groove (92) is isosceles trapezoid structure, and semicircle trough (93) have all been seted up to the both sides of draw-in groove (92), and the bottom of metal contact piece (94) is provided with fixture block (95).

6. The relay assembly for a battery according to claim 5, wherein: the clamping blocks (95) are matched with the clamping grooves (92), the two sides of each clamping block (95) are provided with semicircular arc blocks (96), and the semicircular arc blocks (96) are matched with the semicircular arc grooves (93) one by one.