CN204332838U - L-type coil-end minor relay - Google Patents

Abstract

The utility model discloses a kind of L-type coil-end minor relay, this relay comprises pedestal, shell, electromagnetic assembly, moving parts and two coil terminals, enclose the cavity of an accommodation electromagnetic assembly, moving parts and two coil terminals after pedestal is fixedly connected with shell, and electromagnetic assembly and moving parts are separately fixed on pedestal; Each coil terminals includes L-type upper end and linear pattern bottom, L-type upper end and linear pattern bottom one-body molded, each linear pattern bottom is plugged on electromagnetic assembly, the horizontal part of each L-type upper end supports on the end face of electromagnetic assembly, and the vertical component effect of each L-type upper end improves coil terminals pull strength in the enclosure after inserting the inside of shell.Design of the present utility model, makes coil terminals have one section of material in portion in the enclosure, improves coil terminals pull strength in the enclosure, prevents pull strength too small and the phenomenon of relay failure after there is coil breakage.

Description

L-type coil-end minor relay

Technical field

The utility model relates to relay technical field, particularly relates to a kind of L-type coil-end minor relay.

Background technology

In the electronic technology fields such as communication apparatus, automatically control, household electrical appliance, auto electroincs, every application scenario needing circuit conversion, all may use relay.Relay belongs to a kind of electric control device, and its principle removes to control a kind of automatic switch of big current running, often plays the effects such as automatic adjustment, safeguard protection, circuit conversion in circuit.

Relay has the requirement of pull strength in the course of the work to coil terminals, the design of general relay is that being designed to by coil terminals linear is the shell directly running through relay at present, the tight fit friction between coil terminals and shell is relied on to provide pull strength completely, therefore this pull strength is very little, when intensity is less time, after coil terminals insertion pcb board scolding tin is fixing, fast insertion terminal needs to connect connector, the power of drawing can be produced to the fast insertion terminal of relay in the process of connector plugging, because coil terminals is fixed in PCB substrate, so coil terminals is stressed, terminal is caused to loosen, finally cause coil breakage, relay failure.

Utility model content

For the weak point existed in above-mentioned technology, the utility model provides a kind of L-type coil-end minor relay, and the pull strength of coil terminals and shell effectively improves, and prevents the phenomenon of relay failure after coil breakage.

For achieving the above object, the utility model provides a kind of L-type coil-end minor relay, comprise pedestal, shell, electromagnetic assembly, moving parts and two coil terminals, enclose the cavity of an accommodation electromagnetic assembly, moving parts and two coil terminals after described pedestal is fixedly connected with shell, and electromagnetic assembly and moving parts are separately fixed on pedestal; Each coil terminals includes L-type upper end and linear pattern bottom, described L-type upper end and linear pattern bottom one-body molded, each linear pattern bottom is plugged on electromagnetic assembly, the horizontal part of each L-type upper end supports on the end face of electromagnetic assembly, and the vertical component effect of each L-type upper end inserts in the inside strengthening groove of shell.

Wherein, described moving parts comprises reed, push jack, two M terminals and is fixed on the hook of electromagnetic assembly side, extend base bottom in the first groove that described two M terminals are plugged on pedestal one end, one end of described reed is also fixed on pedestal, described push jack reed and hook between and move linearly between the two at this.

Wherein, described reed is provided with spring leaf hole, described push jack is provided with the first connection-peg matched with spring leaf hole shape, after described spring leaf hole outwards turns down the outer bead structure of rear formation away from a lateral edges of push jack, the end internal diameter of spring leaf hole becomes large and reduces by the first connection-peg and contacts the area coordinated with spring leaf hole.

Wherein, described electromagnetic assembly comprises brandreth, iron core, skeleton, armature and is wrapped in the wire rod of skeleton periphery, the bottom of described skeleton and the horizontal ends of armature are fixed in the second groove of the pedestal other end successively, described iron core is fixed in the centre bore of skeleton, the horizontal ends of described brandreth is fixed on the top of skeleton, and the vertical end of described brandreth is clamped between the side of skeleton and the vertical end of armature; The top of described skeleton is provided with the through hole matched with the shape of linear pattern bottom, and described linear pattern bottom is plugged in corresponding through hole, and the horizontal part of L-type upper end supports in the horizontal ends of brandreth.

Wherein, the vertical end of described brandreth is provided with multiple spacing preiection, and described hook is provided with and multiplely spacingly connects hole, is fixed on corresponding spacingly to connect in hole after described multiple spacing preiection runs through the vertical end of armature.

Wherein, each strengthening groove all extend shell end face and relative to the convex structure of this end face.

Wherein, the other end of described push jack is provided with the second connection-peg, described hook is also provided with the spliced eye matched with the second connection-peg shape.

The beneficial effects of the utility model are: compared with prior art, the L-type coil-end minor relay that the utility model provides, coil terminals is designed the integrated structure in l-shaped upper end and linear pattern bottom, the horizontal part of each L-type upper end supports on the end face of electromagnetic assembly, and the vertical component effect of each L-type upper end inserts in the inside strengthening groove of shell, and linear pattern bottom is plugged on electromagnetic assembly; The design of this structure, makes coil terminals have one section of material in portion in the enclosure, improves coil terminals pull strength in the enclosure, prevents pull strength too small and the phenomenon of relay failure after there is coil breakage.

Accompanying drawing explanation

Fig. 1 is the explosive view of L-type coil-end minor relay of the present utility model;

Fig. 2 is after Fig. 1 assembles and removes the structure chart of shell.

Main element symbol description is as follows:

1, pedestal 2, shell

3, electromagnetic assembly 4, moving parts

5, coil terminals 11, first groove

12, the second groove 31, brandreth

32, iron core 33, skeleton

34, armature 35, wire rod

41, reed 42, push jack

43, M terminal 44, hook

51, L-type upper end 52, linear pattern bottom

311, spacing preiection 411, spring leaf hole

412, outer bead structure 421, first connection-peg

422, the second connection-peg 441, spacingly connect hole

442, spliced eye 21, strengthening groove.

Embodiment

In order to more clearly state the utility model, below in conjunction with accompanying drawing, the utility model is further described.

Refer to Fig. 1-2, the L-type coil-end minor relay that the utility model provides, comprise pedestal 1, shell 2, electromagnetic assembly 3, moving parts 4 and two coil terminals 5, pedestal 1 encloses the cavity of an accommodation electromagnetic assembly 3, moving parts 4 and two coil terminals 5 after being fixedly connected with shell 2, and electromagnetic assembly 3 and moving parts 4 are separately fixed on pedestal 1; Each coil terminals 5 includes L-type upper end 51 and linear pattern bottom 52, L-type upper end 51 and linear pattern bottom 52 one-body molded, each linear pattern bottom 52 is plugged on electromagnetic assembly 3, the horizontal part of each L-type upper end 51 supports on the end face of electromagnetic assembly 3, and the vertical component effect of each L-type upper end 51 insert shell 2 inside strengthening groove 21 in after improve the pull strength of coil terminals 5 in shell 2.

Compared to the situation of prior art, the L-type coil-end minor relay that the utility model provides, coil terminals 5 is designed the integrated structure in l-shaped upper end 51 and linear pattern bottom 52, the horizontal part of each L-type upper end 51 supports on the end face of electromagnetic assembly 3, and the vertical component effect of each L-type upper end 51 inserts in the inside strengthening groove 21 of shell 2, and linear pattern bottom 52 is plugged on electromagnetic assembly 3; The design of this structure, makes coil terminals 5 have one section of material in shell 2 inside, improves the pull strength of coil terminals 5 in shell 2, prevents pull strength too small and the phenomenon of relay failure after there is coil breakage.

In the present embodiment, moving parts 4 comprises reed 41, push jack 42, two M terminals 43 and is fixed on the hook 44 of electromagnetic assembly 3 side, extend pedestal 1 bottom in the first groove 11 that two M terminals 43 are plugged on pedestal 1 one end, one end of reed 41 is also fixed on pedestal 1, push jack 42 reed 41 and hook 44 between and move linearly between the two at this.Reed 41 is provided with spring leaf hole 411, push jack 42 is provided with the first connection-peg 421 matched with spring leaf hole 411 shape, after spring leaf hole 411 outwards turns down the outer bead structure 412 of rear formation away from a lateral edges of push jack 42, the end internal diameter of spring leaf hole 411 becomes large and reduces by the first connection-peg 421 and contacts with spring leaf hole 411 area coordinated.The other end of push jack 42 is provided with the second connection-peg 422, and hook 44 is also provided with the spliced eye 442 matched with the second connection-peg 422 shape.Foreign matter is the maximum life-span hidden danger of relay, and the position that the reed 41 of metal coordinates with the push jack 42 of plastic cement is because rubbing is produce the maximum position of foreign matter; In this structure, the edge of spring leaf hole 411 is outwards turned down the outer bead structure 412 of rear formation, make this spring leaf hole 411 be designed to peripheral bead design, reduce the friction between reed 41 and push jack 42; The inner foreign matter of relay is effectively avoided to produce the relay failure caused.This hole is designed to square by this outer bead designs, and first by material cut when processing, then four sides is rolled and can be formed.

In the present embodiment, electromagnetic assembly 3 comprises brandreth 31, iron core 32, skeleton 33, armature 34 and is wrapped in the wire rod 35 of skeleton 33 periphery, the bottom of skeleton 33 and the horizontal ends of armature 34 are fixed in the second groove 12 of pedestal 1 other end successively, iron core 32 is fixed in the centre bore of skeleton 33, the horizontal ends of brandreth 31 is fixed on the top of skeleton 33, and the vertical end of brandreth 31 is clamped between the side of skeleton 33 and the vertical end of armature 34; The top of skeleton 33 is provided with the through hole matched with the shape of linear pattern bottom 52, and linear pattern bottom 52 is plugged in corresponding through hole, and the horizontal part of L-type upper end 51 supports in the horizontal ends of brandreth 31.The vertical end of brandreth 31 is provided with multiple spacing preiection 311, and hook 44 is provided with and multiplely spacingly connects hole 441, is fixed on corresponding spacingly to connect in hole 441 after multiple spacing preiection 311 runs through the vertical end of armature 34.Certainly, in this case, hook 44 is not limited thereto with the fixed form of brandreth 31, as long as the execution mode disconnected both realizing, all belongs to the simple deformation to this case or conversion, falls in the protection range of this case.

In the present embodiment, each strengthening groove 21 all extend shell 2 end face and relative to the convex structure of this end face, its diameter of part of this convex structure is from the bottom to top in the trend distribution diminished successively as can be seen from Figure, make the top of the top of L-type upper end 51 and strengthening groove 21 have certain space, facilitate coil terminals 5 and extract in strengthening groove 21.

Be only several specific embodiment of the present utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection range of the present utility model.

Claims (7)

1. a L-type coil-end minor relay, it is characterized in that, comprise pedestal, shell, electromagnetic assembly, moving parts and two coil terminals, enclose the cavity of an accommodation electromagnetic assembly, moving parts and two coil terminals after described pedestal is fixedly connected with shell, and electromagnetic assembly and moving parts are separately fixed on pedestal; Each coil terminals includes L-type upper end and linear pattern bottom, described L-type upper end and linear pattern bottom one-body molded, each linear pattern bottom is plugged on electromagnetic assembly, the horizontal part of each L-type upper end supports on the end face of electromagnetic assembly, and the vertical component effect of each L-type upper end inserts in the inside strengthening groove of shell.

2. L-type coil-end minor relay according to claim 1, it is characterized in that, described moving parts comprises reed, push jack, two M terminals and is fixed on the hook of electromagnetic assembly side, extend base bottom in the first groove that described two M terminals are plugged on pedestal one end, one end of described reed is also fixed on pedestal, described push jack reed and hook between and move linearly between the two at this.

3. L-type coil-end minor relay according to claim 2, it is characterized in that, described reed is provided with spring leaf hole, described push jack is provided with the first connection-peg matched with spring leaf hole shape, after described spring leaf hole outwards turns down the outer bead structure of rear formation away from a lateral edges of push jack, the end internal diameter of spring leaf hole becomes large and reduces by the first connection-peg and contacts the area coordinated with spring leaf hole.

4. L-type coil-end minor relay according to claim 1, it is characterized in that, described electromagnetic assembly comprises brandreth, iron core, skeleton, armature and is wrapped in the wire rod of skeleton periphery, the bottom of described skeleton and the horizontal ends of armature are fixed in the second groove of the pedestal other end successively, described iron core is fixed in the centre bore of skeleton, the horizontal ends of described brandreth is fixed on the top of skeleton, and the vertical end of described brandreth is clamped between the side of skeleton and the vertical end of armature; The top of described skeleton is provided with the through hole matched with the shape of linear pattern bottom, and described linear pattern bottom is plugged in corresponding through hole, and the horizontal part of L-type upper end supports in the horizontal ends of brandreth.

5. L-type coil-end minor relay according to claim 4, it is characterized in that, the vertical end of described brandreth is provided with multiple spacing preiection, and described hook is provided with and multiplely spacingly connects hole, is fixed on corresponding spacingly to connect in hole after described multiple spacing preiection runs through the vertical end of armature.

6. L-type coil-end minor relay according to claim 1, is characterized in that, each strengthening groove all extend shell end face and relative to the convex structure of this end face.

7. L-type coil-end minor relay according to claim 3, it is characterized in that, the other end of described push jack is provided with the second connection-peg, described hook is also provided with the spliced eye matched with the second connection-peg shape.