CN209119013U - A kind of electric car branch relay - Google Patents

Abstract

The utility model discloses a kind of electric car branch relays, including shell and the upper cover for being located on the shell side, the upper lid is equipped with heat release hole, bobbin is equipped in the shell, the bobbin housing has coil, the bobbin is annular in shape, mounting hole is equipped in the bobbin, the magnetive cord slided up and down is equipped in the mounting hole, the middle part of the magnetive cord is equipped with sliding eye, it is equipped with connecting shaft at the sliding eye, contact is fixed on the upside of the connecting shaft, the top of the contact is equipped with left contact foot, right contact foot；It is additionally provided with pressing plate on the upside of the bobbin, the first punched out passed through for connecting shaft, the dust-proof bone outside first punched out are equipped in the middle part of the pressing plate.The action element connecting shaft of the relay is arranged in coil, compact-sized, occupies little space, and dust-proof bone is provided at connecting shaft, can reduce dust well and enter through the situation that gap between connecting shaft and pressing plate enters downside magnetive cord.

Description

A kind of electric car branch relay

Technical field

The utility model relates to relay field, especially a kind of electric car branch relay.

Background technique

Relay is a kind of electric control device, is when the variation of input quantity reaches prescribed requirement, in electrical output circuit In make controlled volume that a kind of electric appliance of scheduled Spline smoothing occur.There is the interaction between input circuit and output loop to close for it System.It is usually applied in automation control circuit, it is actually to go one kind of control high current running " automatic with low current Switch ".Therefore the effects of playing automatic adjustment, safeguard protection, conversion circuit in circuit.Existing relay majority is box shaped, Its action element (movable contact spring), which is separated by setting with coil, causes its occupied space larger, leads to the occupied space of whole electron plate Greatly, installation is inconvenient.

Utility model content

Technical problem to be solved by the utility model is: providing a kind of compact-sized, electric car branch of good dustproof effect Road relay.

The solution that the utility model solves its technical problem is:

A kind of electric car branch relay, including shell and the upper cover for being located on the shell side, the upper lid, which is equipped with, to be dissipated Hot hole, the shell is interior to be equipped with bobbin, and the bobbin housing has coil, and the bobbin is annular in shape, the bobbin It is interior to be equipped with mounting hole, the magnetive cord slided up and down is equipped in the mounting hole, the middle part of the magnetive cord is equipped with sliding eye, Be equipped with connecting shaft at the sliding eye, be fixed with contact on the upside of the connecting shaft, the top of the contact be equipped with left contact foot, Right contact foot, correspondingly, left through-hole that the upper lid is equipped with, right through-hole, the left contact foot, right contact foot are each passed through a left side Through-hole, right through-hole stretch to the lower section of lower cover, when enabling sliding on the magnetive cord contact and meanwhile with left contact foot, right touching Piece foot offsets；It is additionally provided with pressing plate on the upside of the bobbin, is equipped with the first punched out passed through for connecting shaft in the middle part of the pressing plate, The size of first punched out is corresponding with the size of connecting shaft, and the outside of first punched out is anti-equipped with what is stretched out upwards Dirt bone, the pressing plate are pushed by upper cover so that bobbin presses inside the shell.

As a further improvement of the above technical scheme, the sliding eye perforation setting, the downside of the connecting shaft passes through Sliding eye stretches to lower section, and the downside of the connecting shaft is equipped with the card slot of annular, and the card slot is located at the lower section of magnetive cord, described Circlip is additionally provided in card slot, the upper side of the circlip and the downside of magnetive cord offset；The magnetive cord and pressing plate it Between be equipped with reset spring, one end of the reset spring abuts pressing plate against magnetive cord, the other end.

As a further improvement of the above technical scheme, buffer spring is additionally provided between the contact and pressing plate, it is described slow The one end for rushing spring abuts pressing plate against contact, the other end, and the buffer spring is located in dust-proof bone.

As a further improvement of the above technical scheme, the upside of the shell is equipped with sliding slot, correspondingly, the upper cover Downside is equipped with bayonet, and the bayonet is connected in the outside of sliding slot.

It as a further improvement of the above technical scheme, further include pedestal, the downside of the pedestal and the upside phase of pressing plate It supports, the upside of the pedestal is offseted by with left contact foot, right contact foot；The outside of the pedestal is equipped with limit fastener, the limit The size of position buckle is corresponding with the size of sliding slot, and the limit fastener is located in sliding slot.

It as a further improvement of the above technical scheme, further include iron-clad, the iron-clad is in tubbiness, the opening of the iron-clad Upwards, between bobbin and shell, the bobbin, pressing plate are respectively positioned in iron-clad the iron-clad.

The beneficial effects of the utility model are: generating magnetic field in coil inside when coil power supply, magnetive cord drives connection It is sliding on axis, it is connected to left contact foot, right contact foot, realizes the conducting of output circuit, right contact foot；The action element of the relay connects Spindle is arranged in coil, compact-sized, occupies little space, and be provided with dust-proof bone at connecting shaft, can subtract well Few dust, which enters through gap between connecting shaft and pressing plate and enters in the free gap of downside magnetive cord or connecting shaft, to be made to connect The situation of spindle clamping stagnation.

Detailed description of the invention

Fig. 1 is the sectional front view of the utility model embodiment.

Fig. 2 is the tridimensional figure of the utility model embodiment.

Fig. 3 is the shell perspective view of the utility model embodiment.

Fig. 4 is the upper cover perspective view of the utility model embodiment.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing:

Embodiment is as follows, referring to figs. 1 to Fig. 4, a kind of electric car branch relay, including shell 1 and be located at shell 1 on The upper cover 2 of side, the upper cover 2 are equipped with heat release hole, are equipped with bobbin 3 in the shell 1, and 3 housing of bobbin has coil, The bobbin 3 is annular in shape, and mounting hole is equipped in the bobbin 3, is equipped with the Armco magnetic iron slided up and down in the mounting hole Core 4, the middle part of the magnetive cord 4 are equipped with sliding eye, are equipped with connecting shaft at the sliding eye, the upside of the connecting shaft is fixed There is contact 7, the top of the contact 7 is equipped with left contact foot 5, right contact foot 6, and correspondingly, the left side that the upper cover 2 is equipped with is logical Hole, right through-hole, the left contact foot 5, right contact foot 6 are each passed through left through-hole, right through-hole stretches to the lower section of lower cover, so that described The contact 7 can offset with left contact foot 5, right contact foot 6 simultaneously when sliding on magnetive cord 4；The upside of the bobbin 3 is also set There is pressing plate 8, is equipped with the first punched out passed through for connecting shaft, the size and connection of first punched out in the middle part of the pressing plate 8 The size of axis is corresponding, and the outside of first punched out is equipped with the dust-proof bone 81 stretched out upwards, and the pressing plate 8 is under by upper cover 2 Pressure is so that bobbin 3 is pressed in shell 1.Left contact foot, right contact foot upside connect with output circuit, left contact foot, the right side Output circuit is for connected state when contact foot is connected by contact.

Magnetic field is generated in coil inside when coil (being not drawn into figure) is powered, magnetive cord drives sliding in connecting shaft, connection Left contact foot, right contact foot realize the conducting of output circuit, right contact foot；The action element connecting shaft setting of the relay exists It is compact-sized in coil, it occupies little space；Since the relay construction is compact, heat release hole is provided on upper lid to drop Low internal temperature, the setting of heat release hole is inevitably that dust enters and provides channel inside relay, by connecting shaft Place is provided with dust-proof bone, can reduce well dust enter through gap between connecting shaft and pressing plate enter downside magnetive cord Situation.

It is further used as preferred embodiment, the sliding eye perforation setting, the downside of the connecting shaft passes through sliding Lower section is stretched in hole, and the downside of the connecting shaft is equipped with the card slot of annular, and the card slot is located at the lower section of magnetive cord 4, the card Circlip is additionally provided in slot, the downside of the upper side and magnetive cord 4 of the circlip offsets；The magnetive cord 4 and pressing plate 8 it Between be equipped with reset spring, one end of the reset spring abuts pressing plate 8 against magnetive cord 4, the other end.The setting of circlip so that Magnetive cord is able to drive connecting shaft after offseting when gliding with circlip and moves down；The setting of reset spring is so that magnetive cord powers off shape It faster can more reliably be resetted under state, avoid causing connecting shaft that cannot move down because of connecting shaft clamping stagnation, output circuit cannot break The problem of opening.

It is further used as preferred embodiment, buffer spring 9, the buffering are additionally provided between the contact 7 and pressing plate 8 One end of spring 9 abuts pressing plate 8 against contact 7, the other end, and the buffer spring 9 is located in dust-proof bone 81.The buffer spring energy Enough reduce magnetive cord to contact thrust, be arranged the buffer spring can prevent magnetive cord push contact press left touching for a long time Piece foot, right contact foot and it is severely deformed, pass through the reliability of the contact.

It is further used as preferred embodiment, the upside of the shell 1 is equipped with sliding slot 11, correspondingly, the upper cover 2 Downside is equipped with bayonet 21, and the bayonet 21 is connected in the outside of sliding slot 11.Guiding surface is additionally provided on the downside of bayonet in order to make Bayonet is clamped on the chute.Convenient for quickly positioning when installing upper cover and shell by setting bayonet and sliding slot.

It is further used as preferred embodiment, further includes pedestal 10, the downside of the pedestal 10 and the upside phase of pressing plate 8 It supports, the upside of the pedestal 10 is offseted by with left 7 foot 5 of contact, 7 foot 6 of right contact；The outside of the pedestal 10 is equipped with limit fastener 101, the size of the limit fastener 101 is corresponding with the size of sliding slot 11, and the limit fastener 101 is located in sliding slot 11.If Setting limit fastener enables pedestal quickly to position fastening inside the shell.

It is further used as preferred embodiment, further includes iron-clad 12, the iron-clad 12 is in tubbiness, and the iron-clad 12 is opened Upwards, between bobbin 3 and shell 1, the bobbin 3, pressing plate 8 are respectively positioned in iron-clad 12 iron-clad 12 mouth.Pass through Iron-clad is set, and the magnetic field that coil generates when being powered can be reflected by iron-clad, and on the one hand placing the magnetic field influences outside relay Electrical component work, is on the other hand capable of increasing internal magnetic field, and magnetive cord movement is more reliable.

The above, only the utility model preferred embodiment, therefore the utility model implementation cannot be limited with this Range should still belong to this reality that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description In the range of being covered with new patent.

Claims (6)

1. a kind of electric car branch relay, including shell (1) and the upper cover (2) being located on the upside of shell (1), the upper cover (2) it is equipped with heat release hole, is equipped with bobbin (3) in the shell (1), bobbin (3) housing has coil, the bobbin (3) annularly, mounting hole is equipped in the bobbin (3), it is characterised in that: the magnetic slided up and down is equipped in the mounting hole Property iron core (4), the middle part of the magnetive cord (4) is equipped with sliding eye, connecting shaft is equipped at the sliding eye, the connecting shaft Upside is fixed with contact (7), and the top of the contact (7) is equipped with left contact foot (5), right contact foot (6), correspondingly, it is described on Left through-hole, the right through-hole that lid (2) is equipped with, the left contact foot (5), right contact foot (6) is each passed through left through-hole, right through-hole is stretched To the lower section of lower cover so that when sliding on the magnetive cord (4) contact (7) can simultaneously with left contact foot (5), right contact foot (6) it offsets；It is additionally provided with pressing plate (8) on the upside of the bobbin (3), the passed through for connecting shaft is equipped in the middle part of the pressing plate (8) The size of one punched out, first punched out is corresponding with the size of connecting shaft, the outside of first punched out be equipped with to The dust-proof bone (81) of upper stretching, the pressing plate (8) is pushed by upper cover (2) so that bobbin (3) is pressed in shell (1).

2. a kind of electric car branch relay according to claim 1, it is characterised in that: the sliding eye perforation is set It sets, the downside of the connecting shaft passes through sliding eye and stretches to lower section, and the downside of the connecting shaft is equipped with the card slot of annular, the card slot Positioned at the lower section of magnetive cord (4), it is additionally provided with circlip in the card slot, under the upper side of the circlip and magnetive cord (4) Side offsets；Reset spring is equipped between the magnetive cord (4) and pressing plate (8), one end of the reset spring is against magnetism Iron core (4), the other end abut pressing plate (8).

3. a kind of electric car branch relay according to claim 2, it is characterised in that: the contact (7) and pressing plate (8) it being additionally provided between buffer spring (9), one end of the buffer spring (9) abuts pressing plate (8) against contact (7), the other end, The buffer spring (9) is located in dust-proof bone (81).

4. a kind of electric car branch relay according to claim 3, it is characterised in that: the upside of the shell (1) Equipped with sliding slot (11), correspondingly, the downside of the upper cover (2) is equipped with bayonet (21), and the bayonet (21) is connected in sliding slot (11) Outside.

5. a kind of electric car branch relay according to claim 4, it is characterised in that: further include pedestal (10), institute State and offset on the upside of the downside and pressing plate (8) of pedestal (10), the upside of the pedestal (10) by with left contact foot (5), right contact Foot (6) offsets；The outside of the pedestal (10) is equipped with limit fastener (101), the size and sliding slot of the limit fastener (101) (11) size is corresponding, and the limit fastener (101) is located in sliding slot (11).

6. a kind of electric car branch relay according to claim 1, it is characterised in that: further include iron-clad (12), institute Iron-clad (12) are stated in tubbiness, the opening upwards of the iron-clad (12), the iron-clad (12) be located at bobbin (3) and shell (1) it Between, the bobbin (3), pressing plate (8) are respectively positioned in iron-clad (12).